diff options
Diffstat (limited to 'include/asm-arm')
92 files changed, 3957 insertions, 590 deletions
diff --git a/include/asm-arm/Kbuild b/include/asm-arm/Kbuild index c68e1680da01..73237bd130a2 100644 --- a/include/asm-arm/Kbuild +++ b/include/asm-arm/Kbuild @@ -1 +1,3 @@ include include/asm-generic/Kbuild.asm + +unifdef-y += hwcap.h diff --git a/include/asm-arm/a.out.h b/include/asm-arm/a.out.h index 3e5fe64c4394..d7165e86df25 100644 --- a/include/asm-arm/a.out.h +++ b/include/asm-arm/a.out.h @@ -30,6 +30,7 @@ struct exec #ifdef __KERNEL__ #define STACK_TOP ((current->personality == PER_LINUX_32BIT) ? \ TASK_SIZE : TASK_SIZE_26) +#define STACK_TOP_MAX TASK_SIZE #endif #ifndef LIBRARY_START_TEXT diff --git a/include/asm-arm/arch-at91/at91_dbgu.h b/include/asm-arm/arch-at91/at91_dbgu.h index b0369e176f7b..8019ffd0ad3b 100644 --- a/include/asm-arm/arch-at91/at91_dbgu.h +++ b/include/asm-arm/arch-at91/at91_dbgu.h @@ -16,6 +16,7 @@ #ifndef AT91_DBGU_H #define AT91_DBGU_H +#ifdef AT91_DBGU #define AT91_DBGU_CR (AT91_DBGU + 0x00) /* Control Register */ #define AT91_DBGU_MR (AT91_DBGU + 0x04) /* Mode Register */ #define AT91_DBGU_IER (AT91_DBGU + 0x08) /* Interrupt Enable Register */ @@ -30,6 +31,15 @@ #define AT91_DBGU_CIDR (AT91_DBGU + 0x40) /* Chip ID Register */ #define AT91_DBGU_EXID (AT91_DBGU + 0x44) /* Chip ID Extension Register */ +#define AT91_DBGU_FNR (AT91_DBGU + 0x48) /* Force NTRST Register [SAM9 only] */ +#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */ + +#endif /* AT91_DBGU */ + +/* + * Some AT91 parts that don't have full DEBUG units still support the ID + * and extensions register. + */ #define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */ #define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */ #define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */ @@ -53,7 +63,4 @@ #define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */ #define AT91_CIDR_EXT (1 << 31) /* Extension Flag */ -#define AT91_DBGU_FNR (AT91_DBGU + 0x48) /* Force NTRST Register [SAM9 only] */ -#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */ - #endif diff --git a/include/asm-arm/arch-at91/at91_mci.h b/include/asm-arm/arch-at91/at91_mci.h index 40a9876b661a..c2e11cc374ba 100644 --- a/include/asm-arm/arch-at91/at91_mci.h +++ b/include/asm-arm/arch-at91/at91_mci.h @@ -26,6 +26,9 @@ #define AT91_MCI_MR 0x04 /* Mode Register */ #define AT91_MCI_CLKDIV (0xff << 0) /* Clock Divider */ #define AT91_MCI_PWSDIV (7 << 8) /* Power Saving Divider */ +#define AT91_MCI_RDPROOF (1 << 11) /* Read Proof Enable [SAM926[03] only] */ +#define AT91_MCI_WRPROOF (1 << 12) /* Write Proof Enable [SAM926[03] only] */ +#define AT91_MCI_PDCFBYTE (1 << 13) /* PDC Force Byte Transfer [SAM926[03] only] */ #define AT91_MCI_PDCPADV (1 << 14) /* PDC Padding Value */ #define AT91_MCI_PDCMODE (1 << 15) /* PDC-orientated Mode */ #define AT91_MCI_BLKLEN (0xfff << 18) /* Data Block Length */ diff --git a/include/asm-arm/arch-at91/at91x40.h b/include/asm-arm/arch-at91/at91x40.h new file mode 100644 index 000000000000..612203e0177f --- /dev/null +++ b/include/asm-arm/arch-at91/at91x40.h @@ -0,0 +1,55 @@ +/* + * include/asm-arm/arch-at91/at91x40.h + * + * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef AT91X40_H +#define AT91X40_H + +/* + * IRQ list. + */ +#define AT91_ID_FIQ 0 /* FIQ */ +#define AT91_ID_SYS 1 /* System Peripheral */ +#define AT91X40_ID_USART0 2 /* USART port 0 */ +#define AT91X40_ID_USART1 3 /* USART port 1 */ +#define AT91X40_ID_TC0 4 /* Timer/Counter 0 */ +#define AT91X40_ID_TC1 5 /* Timer/Counter 1*/ +#define AT91X40_ID_TC2 6 /* Timer/Counter 2*/ +#define AT91X40_ID_WD 7 /* Watchdog? */ +#define AT91X40_ID_PIOA 8 /* Parallel IO Controller A */ + +#define AT91X40_ID_IRQ0 16 /* External IRQ 0 */ +#define AT91X40_ID_IRQ1 17 /* External IRQ 1 */ +#define AT91X40_ID_IRQ2 18 /* External IRQ 2 */ + +/* + * System Peripherals (offset from AT91_BASE_SYS) + */ +#define AT91_BASE_SYS 0xffc00000 + +#define AT91_EBI (0xffe00000 - AT91_BASE_SYS) /* External Bus Interface */ +#define AT91_SF (0xfff00000 - AT91_BASE_SYS) /* Special Function */ +#define AT91_USART1 (0xfffcc000 - AT91_BASE_SYS) /* USART 1 */ +#define AT91_USART0 (0xfffd0000 - AT91_BASE_SYS) /* USART 0 */ +#define AT91_TC (0xfffe0000 - AT91_BASE_SYS) /* Timer Counter */ +#define AT91_PIOA (0xffff0000 - AT91_BASE_SYS) /* PIO Controller A */ +#define AT91_PS (0xffff4000 - AT91_BASE_SYS) /* Power Save */ +#define AT91_WD (0xffff8000 - AT91_BASE_SYS) /* Watchdog Timer */ +#define AT91_AIC (0xfffff000 - AT91_BASE_SYS) /* Advanced Interrupt Controller */ + +/* + * The AT91x40 series doesn't have a debug unit like the other AT91 parts. + * But it does have a chip identify register and extension ID, so define at + * least these here. + */ +#define AT91_DBGU_CIDR (AT91_SF + 0) /* CIDR in PS segment */ +#define AT91_DBGU_EXID (AT91_SF + 4) /* EXID in PS segment */ + +#endif /* AT91X40_H */ diff --git a/include/asm-arm/arch-at91/board.h b/include/asm-arm/arch-at91/board.h index 0ce6ee98ed0b..d96b10fd449f 100644 --- a/include/asm-arm/arch-at91/board.h +++ b/include/asm-arm/arch-at91/board.h @@ -64,6 +64,7 @@ extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) /* Ethernet (EMAC & MACB) */ struct at91_eth_data { + u32 phy_mask; u8 phy_irq_pin; /* PHY IRQ */ u8 is_rmii; /* using RMII interface? */ }; diff --git a/include/asm-arm/arch-at91/cpu.h b/include/asm-arm/arch-at91/cpu.h index ef93c30a9c5f..080cbb401a87 100644 --- a/include/asm-arm/arch-at91/cpu.h +++ b/include/asm-arm/arch-at91/cpu.h @@ -28,6 +28,11 @@ #define ARCH_ID_AT91SAM9RL64 0x019b03a0 +#define ARCH_ID_AT91M40800 0x14080044 +#define ARCH_ID_AT91R40807 0x44080746 +#define ARCH_ID_AT91M40807 0x14080745 +#define ARCH_ID_AT91R40008 0x44000840 + static inline unsigned long at91_cpu_identify(void) { return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION); diff --git a/include/asm-arm/arch-at91/hardware.h b/include/asm-arm/arch-at91/hardware.h index 46835e945aea..8f1cdd38a969 100644 --- a/include/asm-arm/arch-at91/hardware.h +++ b/include/asm-arm/arch-at91/hardware.h @@ -26,18 +26,29 @@ #include <asm/arch/at91sam9263.h> #elif defined(CONFIG_ARCH_AT91SAM9RL) #include <asm/arch/at91sam9rl.h> +#elif defined(CONFIG_ARCH_AT91X40) +#include <asm/arch/at91x40.h> #else #error "Unsupported AT91 processor" #endif +#ifdef CONFIG_MMU /* * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF * to 0xFEF78000 .. 0xFF000000. (544Kb) */ #define AT91_IO_PHYS_BASE 0xFFF78000 -#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) #define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE) +#else +/* + * Identity mapping for the non MMU case. + */ +#define AT91_IO_PHYS_BASE AT91_BASE_SYS +#define AT91_IO_VIRT_BASE AT91_IO_PHYS_BASE +#endif + +#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) /* Convert a physical IO address to virtual IO address */ #define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE) @@ -66,7 +77,11 @@ #define AT91_CHIPSELECT_7 0x80000000 /* SDRAM */ +#ifdef CONFIG_DRAM_BASE +#define AT91_SDRAM_BASE CONFIG_DRAM_BASE +#else #define AT91_SDRAM_BASE AT91_CHIPSELECT_1 +#endif /* Clocks */ #define AT91_SLOW_CLOCK 32768 /* slow clock */ diff --git a/include/asm-arm/arch-at91/timex.h b/include/asm-arm/arch-at91/timex.h index 2df1ee12dfb7..a310698fb4da 100644 --- a/include/asm-arm/arch-at91/timex.h +++ b/include/asm-arm/arch-at91/timex.h @@ -42,6 +42,11 @@ #define AT91SAM9_MASTER_CLOCK 100000000 #define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16) +#elif defined(CONFIG_ARCH_AT91X40) + +#define AT91X40_MASTER_CLOCK 40000000 +#define CLOCK_TICK_RATE (AT91X40_MASTER_CLOCK) + #endif #endif diff --git a/include/asm-arm/arch-at91/uncompress.h b/include/asm-arm/arch-at91/uncompress.h index 30ac587b3b41..272a7e0dc6cf 100644 --- a/include/asm-arm/arch-at91/uncompress.h +++ b/include/asm-arm/arch-at91/uncompress.h @@ -33,20 +33,24 @@ */ static void putc(int c) { +#ifdef AT91_DBGU void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */ while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY)) barrier(); __raw_writel(c, sys + AT91_DBGU_THR); +#endif } static inline void flush(void) { +#ifdef AT91_DBGU void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */ /* wait for transmission to complete */ while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY)) barrier(); +#endif } #define arch_decomp_setup() diff --git a/include/asm-arm/arch-davinci/clock.h b/include/asm-arm/arch-davinci/clock.h new file mode 100644 index 000000000000..cc168b7a14f2 --- /dev/null +++ b/include/asm-arm/arch-davinci/clock.h @@ -0,0 +1,22 @@ +/* + * include/asm-arm/arch-davinci/clock.h + * + * Clock control driver for DaVinci - header file + * + * Authors: Vladimir Barinov <source@mvista.com> + * + * 2007 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef __ASM_ARCH_DAVINCI_CLOCK_H +#define __ASM_ARCH_DAVINCI_CLOCK_H + +struct clk; + +extern int clk_register(struct clk *clk); +extern void clk_unregister(struct clk *clk); +extern int davinci_clk_init(void); + +#endif diff --git a/include/asm-arm/arch-davinci/gpio.h b/include/asm-arm/arch-davinci/gpio.h new file mode 100644 index 000000000000..ea24a0e0bfd6 --- /dev/null +++ b/include/asm-arm/arch-davinci/gpio.h @@ -0,0 +1,156 @@ +/* + * TI DaVinci GPIO Support + * + * Copyright (c) 2006 David Brownell + * Copyright (c) 2007, MontaVista Software, Inc. <source@mvista.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __DAVINCI_GPIO_H +#define __DAVINCI_GPIO_H + +/* + * basic gpio routines + * + * board-specific init should be done by arch/.../.../board-XXX.c (maybe + * initializing banks together) rather than boot loaders; kexec() won't + * go through boot loaders. + * + * the gpio clock will be turned on when gpios are used, and you may also + * need to pay attention to PINMUX0 and PINMUX1 to be sure those pins are + * used as gpios, not with other peripherals. + * + * GPIOs are numbered 0..(DAVINCI_N_GPIO-1). For documentation, and maybe + * for later updates, code should write GPIO(N) or: + * - GPIOV18(N) for 1.8V pins, N in 0..53; same as GPIO(0)..GPIO(53) + * - GPIOV33(N) for 3.3V pins, N in 0..17; same as GPIO(54)..GPIO(70) + * + * For GPIO IRQs use gpio_to_irq(GPIO(N)) or gpio_to_irq(GPIOV33(N)) etc + * for now, that's != GPIO(N) + */ +#define GPIO(X) (X) /* 0 <= X <= 70 */ +#define GPIOV18(X) (X) /* 1.8V i/o; 0 <= X <= 53 */ +#define GPIOV33(X) ((X)+54) /* 3.3V i/o; 0 <= X <= 17 */ + +struct gpio_controller { + u32 dir; + u32 out_data; + u32 set_data; + u32 clr_data; + u32 in_data; + u32 set_rising; + u32 clr_rising; + u32 set_falling; + u32 clr_falling; + u32 intstat; +}; + +/* The __gpio_to_controller() and __gpio_mask() functions inline to constants + * with constant parameters; or in outlined code they execute at runtime. + * + * You'd access the controller directly when reading or writing more than + * one gpio value at a time, and to support wired logic where the value + * being driven by the cpu need not match the value read back. + * + * These are NOT part of the cross-platform GPIO interface + */ +static inline struct gpio_controller *__iomem +__gpio_to_controller(unsigned gpio) +{ + void *__iomem ptr; + + if (gpio < 32) + ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x10); + else if (gpio < 64) + ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x38); + else if (gpio < DAVINCI_N_GPIO) + ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x60); + else + ptr = NULL; + return ptr; +} + +static inline u32 __gpio_mask(unsigned gpio) +{ + return 1 << (gpio % 32); +} + +/* The get/set/clear functions will inline when called with constant + * parameters, for low-overhead bitbanging. Illegal constant parameters + * cause link-time errors. + * + * Otherwise, calls with variable parameters use outlined functions. + */ +extern int __error_inval_gpio(void); + +extern void __gpio_set(unsigned gpio, int value); +extern int __gpio_get(unsigned gpio); + +static inline void gpio_set_value(unsigned gpio, int value) +{ + if (__builtin_constant_p(value)) { + struct gpio_controller *__iomem g; + u32 mask; + + if (gpio >= DAVINCI_N_GPIO) + __error_inval_gpio(); + + g = __gpio_to_controller(gpio); + mask = __gpio_mask(gpio); + if (value) + __raw_writel(mask, &g->set_data); + else + __raw_writel(mask, &g->clr_data); + return; + } + + __gpio_set(gpio, value); +} + +/* Returns zero or nonzero; works for gpios configured as inputs OR + * as outputs. + * + * NOTE: changes in reported values are synchronized to the GPIO clock. + * This is most easily seen after calling gpio_set_value() and then immediatly + * gpio_get_value(), where the gpio_get_value() would return the old value + * until the GPIO clock ticks and the new value gets latched. + */ + +static inline int gpio_get_value(unsigned gpio) +{ + struct gpio_controller *__iomem g; + + if (!__builtin_constant_p(gpio)) + return __gpio_get(gpio); + + if (gpio >= DAVINCI_N_GPIO) + return __error_inval_gpio(); + + g = __gpio_to_controller(gpio); + return !!(__gpio_mask(gpio) & __raw_readl(&g->in_data)); +} + +/* powerup default direction is IN */ +extern int gpio_direction_input(unsigned gpio); +extern int gpio_direction_output(unsigned gpio, int value); + +#include <asm-generic/gpio.h> /* cansleep wrappers */ + +extern int gpio_request(unsigned gpio, const char *tag); +extern void gpio_free(unsigned gpio); + +static inline int gpio_to_irq(unsigned gpio) +{ + return DAVINCI_N_AINTC_IRQ + gpio; +} + +static inline int irq_to_gpio(unsigned irq) +{ + return irq - DAVINCI_N_AINTC_IRQ; +} + +#endif /* __DAVINCI_GPIO_H */ diff --git a/include/asm-arm/arch-davinci/hardware.h b/include/asm-arm/arch-davinci/hardware.h index 60362d80229e..a2e8969afaca 100644 --- a/include/asm-arm/arch-davinci/hardware.h +++ b/include/asm-arm/arch-davinci/hardware.h @@ -11,4 +11,42 @@ #ifndef __ASM_ARCH_HARDWARE_H #define __ASM_ARCH_HARDWARE_H +/* + * Base register addresses + */ +#define DAVINCI_DMA_3PCC_BASE (0x01C00000) +#define DAVINCI_DMA_3PTC0_BASE (0x01C10000) +#define DAVINCI_DMA_3PTC1_BASE (0x01C10400) +#define DAVINCI_I2C_BASE (0x01C21000) +#define DAVINCI_PWM0_BASE (0x01C22000) +#define DAVINCI_PWM1_BASE (0x01C22400) +#define DAVINCI_PWM2_BASE (0x01C22800) +#define DAVINCI_SYSTEM_MODULE_BASE (0x01C40000) +#define DAVINCI_PLL_CNTRL0_BASE (0x01C40800) +#define DAVINCI_PLL_CNTRL1_BASE (0x01C40C00) +#define DAVINCI_PWR_SLEEP_CNTRL_BASE (0x01C41000) +#define DAVINCI_SYSTEM_DFT_BASE (0x01C42000) +#define DAVINCI_IEEE1394_BASE (0x01C60000) +#define DAVINCI_USB_OTG_BASE (0x01C64000) +#define DAVINCI_CFC_ATA_BASE (0x01C66000) +#define DAVINCI_SPI_BASE (0x01C66800) +#define DAVINCI_GPIO_BASE (0x01C67000) +#define DAVINCI_UHPI_BASE (0x01C67800) +#define DAVINCI_VPSS_REGS_BASE (0x01C70000) +#define DAVINCI_EMAC_CNTRL_REGS_BASE (0x01C80000) +#define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE (0x01C81000) +#define DAVINCI_EMAC_WRAPPER_RAM_BASE (0x01C82000) +#define DAVINCI_MDIO_CNTRL_REGS_BASE (0x01C84000) +#define DAVINCI_IMCOP_BASE (0x01CC0000) +#define DAVINCI_ASYNC_EMIF_CNTRL_BASE (0x01E00000) +#define DAVINCI_VLYNQ_BASE (0x01E01000) +#define DAVINCI_MCBSP_BASE (0x01E02000) +#define DAVINCI_MMC_SD_BASE (0x01E10000) +#define DAVINCI_MS_BASE (0x01E20000) +#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE (0x02000000) +#define DAVINCI_ASYNC_EMIF_DATA_CE1_BASE (0x04000000) +#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE (0x06000000) +#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE (0x08000000) +#define DAVINCI_VLYNQ_REMOTE_BASE (0x0C000000) + #endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/include/asm-arm/arch-davinci/mux.h b/include/asm-arm/arch-davinci/mux.h new file mode 100644 index 000000000000..c24b6782804d --- /dev/null +++ b/include/asm-arm/arch-davinci/mux.h @@ -0,0 +1,55 @@ +/* + * DaVinci pin multiplexing defines + * + * Author: Vladimir Barinov, MontaVista Software, Inc. <source@mvista.com> + * + * 2007 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef __ASM_ARCH_MUX_H +#define __ASM_ARCH_MUX_H + +#define DAVINCI_MUX_AEAW0 0 +#define DAVINCI_MUX_AEAW1 1 +#define DAVINCI_MUX_AEAW2 2 +#define DAVINCI_MUX_AEAW3 3 +#define DAVINCI_MUX_AEAW4 4 +#define DAVINCI_MUX_AECS4 10 +#define DAVINCI_MUX_AECS5 11 +#define DAVINCI_MUX_VLYNQWD0 12 +#define DAVINCI_MUX_VLYNQWD1 13 +#define DAVINCI_MUX_VLSCREN 14 +#define DAVINCI_MUX_VLYNQEN 15 +#define DAVINCI_MUX_HDIREN 16 +#define DAVINCI_MUX_ATAEN 17 +#define DAVINCI_MUX_RGB666 22 +#define DAVINCI_MUX_RGB888 23 +#define DAVINCI_MUX_LOEEN 24 +#define DAVINCI_MUX_LFLDEN 25 +#define DAVINCI_MUX_CWEN 26 +#define DAVINCI_MUX_CFLDEN 27 +#define DAVINCI_MUX_HPIEN 29 +#define DAVINCI_MUX_1394EN 30 +#define DAVINCI_MUX_EMACEN 31 + +#define DAVINCI_MUX_LEVEL2 32 +#define DAVINCI_MUX_UART0 (DAVINCI_MUX_LEVEL2 + 0) +#define DAVINCI_MUX_UART1 (DAVINCI_MUX_LEVEL2 + 1) +#define DAVINCI_MUX_UART2 (DAVINCI_MUX_LEVEL2 + 2) +#define DAVINCI_MUX_U2FLO (DAVINCI_MUX_LEVEL2 + 3) +#define DAVINCI_MUX_PWM0 (DAVINCI_MUX_LEVEL2 + 4) +#define DAVINCI_MUX_PWM1 (DAVINCI_MUX_LEVEL2 + 5) +#define DAVINCI_MUX_PWM2 (DAVINCI_MUX_LEVEL2 + 6) +#define DAVINCI_MUX_I2C (DAVINCI_MUX_LEVEL2 + 7) +#define DAVINCI_MUX_SPI (DAVINCI_MUX_LEVEL2 + 8) +#define DAVINCI_MUX_MSTK (DAVINCI_MUX_LEVEL2 + 9) +#define DAVINCI_MUX_ASP (DAVINCI_MUX_LEVEL2 + 10) +#define DAVINCI_MUX_CLK0 (DAVINCI_MUX_LEVEL2 + 16) +#define DAVINCI_MUX_CLK1 (DAVINCI_MUX_LEVEL2 + 17) +#define DAVINCI_MUX_TIMIN (DAVINCI_MUX_LEVEL2 + 18) + +extern void davinci_mux_peripheral(unsigned int mux, unsigned int enable); + +#endif /* __ASM_ARCH_MUX_H */ diff --git a/include/asm-arm/arch-imx/gpio.h b/include/asm-arm/arch-imx/gpio.h new file mode 100644 index 000000000000..486023263f32 --- /dev/null +++ b/include/asm-arm/arch-imx/gpio.h @@ -0,0 +1,102 @@ +#ifndef _IMX_GPIO_H + +#include <asm/arch/imx-regs.h> + +#define IMX_GPIO_ALLOC_MODE_NORMAL 0 +#define IMX_GPIO_ALLOC_MODE_NO_ALLOC 1 +#define IMX_GPIO_ALLOC_MODE_TRY_ALLOC 2 +#define IMX_GPIO_ALLOC_MODE_ALLOC_ONLY 4 +#define IMX_GPIO_ALLOC_MODE_RELEASE 8 + +extern int imx_gpio_request(unsigned gpio, const char *label); + +extern void imx_gpio_free(unsigned gpio); + +extern int imx_gpio_setup_multiple_pins(const int *pin_list, unsigned count, + int alloc_mode, const char *label); + +extern int imx_gpio_direction_input(unsigned gpio); + +extern int imx_gpio_direction_output(unsigned gpio, int value); + +extern void __imx_gpio_set_value(unsigned gpio, int value); + +static inline int imx_gpio_get_value(unsigned gpio) +{ + return SSR(gpio >> GPIO_PORT_SHIFT) & (1 << (gpio & GPIO_PIN_MASK)); +} + +static inline void imx_gpio_set_value_inline(unsigned gpio, int value) +{ + unsigned long flags; + + raw_local_irq_save(flags); + if(value) + DR(gpio >> GPIO_PORT_SHIFT) |= (1 << (gpio & GPIO_PIN_MASK)); + else + DR(gpio >> GPIO_PORT_SHIFT) &= ~(1 << (gpio & GPIO_PIN_MASK)); + raw_local_irq_restore(flags); +} + +static inline void imx_gpio_set_value(unsigned gpio, int value) +{ + if(__builtin_constant_p(gpio)) + imx_gpio_set_value_inline(gpio, value); + else + __imx_gpio_set_value(gpio, value); +} + +extern int imx_gpio_to_irq(unsigned gpio); + +extern int imx_irq_to_gpio(unsigned irq); + +/*-------------------------------------------------------------------------*/ + +/* Wrappers for "new style" GPIO calls. These calls i.MX specific versions + * to allow future extension of GPIO logic. + */ + +static inline int gpio_request(unsigned gpio, const char *label) +{ + return imx_gpio_request(gpio, label); +} + +static inline void gpio_free(unsigned gpio) +{ + imx_gpio_free(gpio); +} + +static inline int gpio_direction_input(unsigned gpio) +{ + return imx_gpio_direction_input(gpio); +} + +static inline int gpio_direction_output(unsigned gpio, int value) +{ + return imx_gpio_direction_output(gpio, value); +} + +static inline int gpio_get_value(unsigned gpio) +{ + return imx_gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + imx_gpio_set_value(gpio, value); +} + +#include <asm-generic/gpio.h> /* cansleep wrappers */ + +static inline int gpio_to_irq(unsigned gpio) +{ + return imx_gpio_to_irq(gpio); +} + +static inline int irq_to_gpio(unsigned irq) +{ + return imx_irq_to_gpio(irq); +} + + +#endif diff --git a/include/asm-arm/arch-imx/imx-regs.h b/include/asm-arm/arch-imx/imx-regs.h index 30de404c61f5..fb9de2733879 100644 --- a/include/asm-arm/arch-imx/imx-regs.h +++ b/include/asm-arm/arch-imx/imx-regs.h @@ -77,6 +77,8 @@ #define SWR(x) __REG2(IMX_GPIO_BASE + 0x3c, ((x) & 3) << 8) #define PUEN(x) __REG2(IMX_GPIO_BASE + 0x40, ((x) & 3) << 8) +#define GPIO_PORT_MAX 3 + #define GPIO_PIN_MASK 0x1f #define GPIO_PORT_MASK (0x3 << 5) diff --git a/include/asm-arm/arch-iop13xx/adma.h b/include/asm-arm/arch-iop13xx/adma.h new file mode 100644 index 000000000000..04006c1c5fd7 --- /dev/null +++ b/include/asm-arm/arch-iop13xx/adma.h @@ -0,0 +1,544 @@ +/* + * Copyright(c) 2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + */ +#ifndef _ADMA_H +#define _ADMA_H +#include <linux/types.h> +#include <linux/io.h> +#include <asm/hardware.h> +#include <asm/hardware/iop_adma.h> + +#define ADMA_ACCR(chan) (chan->mmr_base + 0x0) +#define ADMA_ACSR(chan) (chan->mmr_base + 0x4) +#define ADMA_ADAR(chan) (chan->mmr_base + 0x8) +#define ADMA_IIPCR(chan) (chan->mmr_base + 0x18) +#define ADMA_IIPAR(chan) (chan->mmr_base + 0x1c) +#define ADMA_IIPUAR(chan) (chan->mmr_base + 0x20) +#define ADMA_ANDAR(chan) (chan->mmr_base + 0x24) +#define ADMA_ADCR(chan) (chan->mmr_base + 0x28) +#define ADMA_CARMD(chan) (chan->mmr_base + 0x2c) +#define ADMA_ABCR(chan) (chan->mmr_base + 0x30) +#define ADMA_DLADR(chan) (chan->mmr_base + 0x34) +#define ADMA_DUADR(chan) (chan->mmr_base + 0x38) +#define ADMA_SLAR(src, chan) (chan->mmr_base + (0x3c + (src << 3))) +#define ADMA_SUAR(src, chan) (chan->mmr_base + (0x40 + (src << 3))) + +struct iop13xx_adma_src { + u32 src_addr; + union { + u32 upper_src_addr; + struct { + unsigned int pq_upper_src_addr:24; + unsigned int pq_dmlt:8; + }; + }; +}; + +struct iop13xx_adma_desc_ctrl { + unsigned int int_en:1; + unsigned int xfer_dir:2; + unsigned int src_select:4; + unsigned int zero_result:1; + unsigned int block_fill_en:1; + unsigned int crc_gen_en:1; + unsigned int crc_xfer_dis:1; + unsigned int crc_seed_fetch_dis:1; + unsigned int status_write_back_en:1; + unsigned int endian_swap_en:1; + unsigned int reserved0:2; + unsigned int pq_update_xfer_en:1; + unsigned int dual_xor_en:1; + unsigned int pq_xfer_en:1; + unsigned int p_xfer_dis:1; + unsigned int reserved1:10; + unsigned int relax_order_en:1; + unsigned int no_snoop_en:1; +}; + +struct iop13xx_adma_byte_count { + unsigned int byte_count:24; + unsigned int host_if:3; + unsigned int reserved:2; + unsigned int zero_result_err_q:1; + unsigned int zero_result_err:1; + unsigned int tx_complete:1; +}; + +struct iop13xx_adma_desc_hw { + u32 next_desc; + union { + u32 desc_ctrl; + struct iop13xx_adma_desc_ctrl desc_ctrl_field; + }; + union { + u32 crc_addr; + u32 block_fill_data; + u32 q_dest_addr; + }; + union { + u32 byte_count; + struct iop13xx_adma_byte_count byte_count_field; + }; + union { + u32 dest_addr; + u32 p_dest_addr; + }; + union { + u32 upper_dest_addr; + u32 pq_upper_dest_addr; + }; + struct iop13xx_adma_src src[1]; +}; + +struct iop13xx_adma_desc_dual_xor { + u32 next_desc; + u32 desc_ctrl; + u32 reserved; + u32 byte_count; + u32 h_dest_addr; + u32 h_upper_dest_addr; + u32 src0_addr; + u32 upper_src0_addr; + u32 src1_addr; + u32 upper_src1_addr; + u32 h_src_addr; + u32 h_upper_src_addr; + u32 d_src_addr; + u32 d_upper_src_addr; + u32 d_dest_addr; + u32 d_upper_dest_addr; +}; + +struct iop13xx_adma_desc_pq_update { + u32 next_desc; + u32 desc_ctrl; + u32 reserved; + u32 byte_count; + u32 p_dest_addr; + u32 p_upper_dest_addr; + u32 src0_addr; + u32 upper_src0_addr; + u32 src1_addr; + u32 upper_src1_addr; + u32 p_src_addr; + u32 p_upper_src_addr; + u32 q_src_addr; + struct { + unsigned int q_upper_src_addr:24; + unsigned int q_dmlt:8; + }; + u32 q_dest_addr; + u32 q_upper_dest_addr; +}; + +static inline int iop_adma_get_max_xor(void) +{ + return 16; +} + +static inline u32 iop_chan_get_current_descriptor(struct iop_adma_chan *chan) +{ + return __raw_readl(ADMA_ADAR(chan)); +} + +static inline void iop_chan_set_next_descriptor(struct iop_adma_chan *chan, + u32 next_desc_addr) +{ + __raw_writel(next_desc_addr, ADMA_ANDAR(chan)); +} + +#define ADMA_STATUS_BUSY (1 << 13) + +static inline char iop_chan_is_busy(struct iop_adma_chan *chan) +{ + if (__raw_readl(ADMA_ACSR(chan)) & + ADMA_STATUS_BUSY) + return 1; + else + return 0; +} + +static inline int +iop_chan_get_desc_align(struct iop_adma_chan *chan, int num_slots) +{ + return 1; +} +#define iop_desc_is_aligned(x, y) 1 + +static inline int +iop_chan_memcpy_slot_count(size_t len, int *slots_per_op) +{ + *slots_per_op = 1; + return 1; +} + +#define iop_chan_interrupt_slot_count(s, c) iop_chan_memcpy_slot_count(0, s) + +static inline int +iop_chan_memset_slot_count(size_t len, int *slots_per_op) +{ + *slots_per_op = 1; + return 1; +} + +static inline int +iop_chan_xor_slot_count(size_t len, int src_cnt, int *slots_per_op) +{ + int num_slots; + /* slots_to_find = 1 for basic descriptor + 1 per 4 sources above 1 + * (1 source => 8 bytes) (1 slot => 32 bytes) + */ + num_slots = 1 + (((src_cnt - 1) << 3) >> 5); + if (((src_cnt - 1) << 3) & 0x1f) + num_slots++; + + *slots_per_op = num_slots; + + return num_slots; +} + +#define ADMA_MAX_BYTE_COUNT (16 * 1024 * 1024) +#define IOP_ADMA_MAX_BYTE_COUNT ADMA_MAX_BYTE_COUNT +#define IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT ADMA_MAX_BYTE_COUNT +#define IOP_ADMA_XOR_MAX_BYTE_COUNT ADMA_MAX_BYTE_COUNT +#define iop_chan_zero_sum_slot_count(l, s, o) iop_chan_xor_slot_count(l, s, o) + +static inline u32 iop_desc_get_dest_addr(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + return hw_desc->dest_addr; +} + +static inline u32 iop_desc_get_byte_count(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + return hw_desc->byte_count_field.byte_count; +} + +static inline u32 iop_desc_get_src_addr(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan, + int src_idx) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + return hw_desc->src[src_idx].src_addr; +} + +static inline u32 iop_desc_get_src_count(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + return hw_desc->desc_ctrl_field.src_select + 1; +} + +static inline void +iop_desc_init_memcpy(struct iop_adma_desc_slot *desc, int int_en) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + union { + u32 value; + struct iop13xx_adma_desc_ctrl field; + } u_desc_ctrl; + + u_desc_ctrl.value = 0; + u_desc_ctrl.field.xfer_dir = 3; /* local to internal bus */ + u_desc_ctrl.field.int_en = int_en; + hw_desc->desc_ctrl = u_desc_ctrl.value; + hw_desc->crc_addr = 0; +} + +static inline void +iop_desc_init_memset(struct iop_adma_desc_slot *desc, int int_en) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + union { + u32 value; + struct iop13xx_adma_desc_ctrl field; + } u_desc_ctrl; + + u_desc_ctrl.value = 0; + u_desc_ctrl.field.xfer_dir = 3; /* local to internal bus */ + u_desc_ctrl.field.block_fill_en = 1; + u_desc_ctrl.field.int_en = int_en; + hw_desc->desc_ctrl = u_desc_ctrl.value; + hw_desc->crc_addr = 0; +} + +/* to do: support buffers larger than ADMA_MAX_BYTE_COUNT */ +static inline void +iop_desc_init_xor(struct iop_adma_desc_slot *desc, int src_cnt, int int_en) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + union { + u32 value; + struct iop13xx_adma_desc_ctrl field; + } u_desc_ctrl; + + u_desc_ctrl.value = 0; + u_desc_ctrl.field.src_select = src_cnt - 1; + u_desc_ctrl.field.xfer_dir = 3; /* local to internal bus */ + u_desc_ctrl.field.int_en = int_en; + hw_desc->desc_ctrl = u_desc_ctrl.value; + hw_desc->crc_addr = 0; + +} +#define iop_desc_init_null_xor(d, s, i) iop_desc_init_xor(d, s, i) + +/* to do: support buffers larger than ADMA_MAX_BYTE_COUNT */ +static inline int +iop_desc_init_zero_sum(struct iop_adma_desc_slot *desc, int src_cnt, int int_en) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + union { + u32 value; + struct iop13xx_adma_desc_ctrl field; + } u_desc_ctrl; + + u_desc_ctrl.value = 0; + u_desc_ctrl.field.src_select = src_cnt - 1; + u_desc_ctrl.field.xfer_dir = 3; /* local to internal bus */ + u_desc_ctrl.field.zero_result = 1; + u_desc_ctrl.field.status_write_back_en = 1; + u_desc_ctrl.field.int_en = int_en; + hw_desc->desc_ctrl = u_desc_ctrl.value; + hw_desc->crc_addr = 0; + + return 1; +} + +static inline void iop_desc_set_byte_count(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan, + u32 byte_count) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + hw_desc->byte_count = byte_count; +} + +static inline void +iop_desc_set_zero_sum_byte_count(struct iop_adma_desc_slot *desc, u32 len) +{ + int slots_per_op = desc->slots_per_op; + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc, *iter; + int i = 0; + + if (len <= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT) { + hw_desc->byte_count = len; + } else { + do { + iter = iop_hw_desc_slot_idx(hw_desc, i); + iter->byte_count = IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT; + len -= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT; + i += slots_per_op; + } while (len > IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT); + + if (len) { + iter = iop_hw_desc_slot_idx(hw_desc, i); + iter->byte_count = len; + } + } +} + + +static inline void iop_desc_set_dest_addr(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan, + dma_addr_t addr) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + hw_desc->dest_addr = addr; + hw_desc->upper_dest_addr = 0; +} + +static inline void iop_desc_set_memcpy_src_addr(struct iop_adma_desc_slot *desc, + dma_addr_t addr) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + hw_desc->src[0].src_addr = addr; + hw_desc->src[0].upper_src_addr = 0; +} + +static inline void iop_desc_set_xor_src_addr(struct iop_adma_desc_slot *desc, + int src_idx, dma_addr_t addr) +{ + int slot_cnt = desc->slot_cnt, slots_per_op = desc->slots_per_op; + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc, *iter; + int i = 0; + + do { + iter = iop_hw_desc_slot_idx(hw_desc, i); + iter->src[src_idx].src_addr = addr; + iter->src[src_idx].upper_src_addr = 0; + slot_cnt -= slots_per_op; + if (slot_cnt) { + i += slots_per_op; + addr += IOP_ADMA_XOR_MAX_BYTE_COUNT; + } + } while (slot_cnt); +} + +static inline void +iop_desc_init_interrupt(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan) +{ + iop_desc_init_memcpy(desc, 1); + iop_desc_set_byte_count(desc, chan, 0); + iop_desc_set_dest_addr(desc, chan, 0); + iop_desc_set_memcpy_src_addr(desc, 0); +} + +#define iop_desc_set_zero_sum_src_addr iop_desc_set_xor_src_addr + +static inline void iop_desc_set_next_desc(struct iop_adma_desc_slot *desc, + u32 next_desc_addr) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + BUG_ON(hw_desc->next_desc); + hw_desc->next_desc = next_desc_addr; +} + +static inline u32 iop_desc_get_next_desc(struct iop_adma_desc_slot *desc) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + return hw_desc->next_desc; +} + +static inline void iop_desc_clear_next_desc(struct iop_adma_desc_slot *desc) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + hw_desc->next_desc = 0; +} + +static inline void iop_desc_set_block_fill_val(struct iop_adma_desc_slot *desc, + u32 val) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + hw_desc->block_fill_data = val; +} + +static inline int iop_desc_get_zero_result(struct iop_adma_desc_slot *desc) +{ + struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; + struct iop13xx_adma_desc_ctrl desc_ctrl = hw_desc->desc_ctrl_field; + struct iop13xx_adma_byte_count byte_count = hw_desc->byte_count_field; + + BUG_ON(!(byte_count.tx_complete && desc_ctrl.zero_result)); + + if (desc_ctrl.pq_xfer_en) + return byte_count.zero_result_err_q; + else + return byte_count.zero_result_err; +} + +static inline void iop_chan_append(struct iop_adma_chan *chan) +{ + u32 adma_accr; + + adma_accr = __raw_readl(ADMA_ACCR(chan)); + adma_accr |= 0x2; + __raw_writel(adma_accr, ADMA_ACCR(chan)); +} + +static inline void iop_chan_idle(int busy, struct iop_adma_chan *chan) +{ + do { } while (0); +} + +static inline u32 iop_chan_get_status(struct iop_adma_chan *chan) +{ + return __raw_readl(ADMA_ACSR(chan)); +} + +static inline void iop_chan_disable(struct iop_adma_chan *chan) +{ + u32 adma_chan_ctrl = __raw_readl(ADMA_ACCR(chan)); + adma_chan_ctrl &= ~0x1; + __raw_writel(adma_chan_ctrl, ADMA_ACCR(chan)); +} + +static inline void iop_chan_enable(struct iop_adma_chan *chan) +{ + u32 adma_chan_ctrl; + + adma_chan_ctrl = __raw_readl(ADMA_ACCR(chan)); + adma_chan_ctrl |= 0x1; + __raw_writel(adma_chan_ctrl, ADMA_ACCR(chan)); +} + +static inline void iop_adma_device_clear_eot_status(struct iop_adma_chan *chan) +{ + u32 status = __raw_readl(ADMA_ACSR(chan)); + status &= (1 << 12); + __raw_writel(status, ADMA_ACSR(chan)); +} + +static inline void iop_adma_device_clear_eoc_status(struct iop_adma_chan *chan) +{ + u32 status = __raw_readl(ADMA_ACSR(chan)); + status &= (1 << 11); + __raw_writel(status, ADMA_ACSR(chan)); +} + +static inline void iop_adma_device_clear_err_status(struct iop_adma_chan *chan) +{ + u32 status = __raw_readl(ADMA_ACSR(chan)); + status &= (1 << 9) | (1 << 5) | (1 << 4) | (1 << 3); + __raw_writel(status, ADMA_ACSR(chan)); +} + +static inline int +iop_is_err_int_parity(unsigned long status, struct iop_adma_chan *chan) +{ + return test_bit(9, &status); +} + +static inline int +iop_is_err_mcu_abort(unsigned long status, struct iop_adma_chan *chan) +{ + return test_bit(5, &status); +} + +static inline int +iop_is_err_int_tabort(unsigned long status, struct iop_adma_chan *chan) +{ + return test_bit(4, &status); +} + +static inline int +iop_is_err_int_mabort(unsigned long status, struct iop_adma_chan *chan) +{ + return test_bit(3, &status); +} + +static inline int +iop_is_err_pci_tabort(unsigned long status, struct iop_adma_chan *chan) +{ + return 0; +} + +static inline int +iop_is_err_pci_mabort(unsigned long status, struct iop_adma_chan *chan) +{ + return 0; +} + +static inline int +iop_is_err_split_tx(unsigned long status, struct iop_adma_chan *chan) +{ + return 0; +} + +#endif /* _ADMA_H */ diff --git a/include/asm-arm/arch-iop13xx/iop13xx.h b/include/asm-arm/arch-iop13xx/iop13xx.h index e6736c3d1f7f..52b7fab7ef60 100644 --- a/include/asm-arm/arch-iop13xx/iop13xx.h +++ b/include/asm-arm/arch-iop13xx/iop13xx.h @@ -19,6 +19,39 @@ static inline int iop13xx_cpu_id(void) return id; } +/* WDTCR CP6 R7 Page 9 */ +static inline u32 read_wdtcr(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c7, c9, 0":"=r" (val)); + return val; +} +static inline void write_wdtcr(u32 val) +{ + asm volatile("mcr p6, 0, %0, c7, c9, 0"::"r" (val)); +} + +/* WDTSR CP6 R8 Page 9 */ +static inline u32 read_wdtsr(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c8, c9, 0":"=r" (val)); + return val; +} +static inline void write_wdtsr(u32 val) +{ + asm volatile("mcr p6, 0, %0, c8, c9, 0"::"r" (val)); +} + +/* RCSR - Reset Cause Status Register */ +static inline u32 read_rcsr(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c0, c1, 0":"=r" (val)); + return val; +} + +extern unsigned long get_iop_tick_rate(void); #endif /* @@ -166,12 +199,22 @@ static inline int iop13xx_cpu_id(void) #define IOP13XX_INIT_I2C_1 (1 << 1) #define IOP13XX_INIT_I2C_2 (1 << 2) -#define IQ81340_NUM_UART 2 -#define IQ81340_NUM_I2C 3 -#define IQ81340_NUM_PHYS_MAP_FLASH 1 -#define IQ81340_MAX_PLAT_DEVICES (IQ81340_NUM_UART +\ - IQ81340_NUM_I2C +\ - IQ81340_NUM_PHYS_MAP_FLASH) +/* ADMA selection flags */ +/* INIT_ADMA_DEFAULT = Rely on CONFIG_IOP13XX_ADMA* */ +#define IOP13XX_INIT_ADMA_DEFAULT (0) +#define IOP13XX_INIT_ADMA_0 (1 << 0) +#define IOP13XX_INIT_ADMA_1 (1 << 1) +#define IOP13XX_INIT_ADMA_2 (1 << 2) + +/* Platform devices */ +#define IQ81340_NUM_UART 2 +#define IQ81340_NUM_I2C 3 +#define IQ81340_NUM_PHYS_MAP_FLASH 1 +#define IQ81340_NUM_ADMA 3 +#define IQ81340_MAX_PLAT_DEVICES (IQ81340_NUM_UART + \ + IQ81340_NUM_I2C + \ + IQ81340_NUM_PHYS_MAP_FLASH + \ + IQ81340_NUM_ADMA) /*========================== PMMR offsets for key registers ============*/ #define IOP13XX_ATU0_PMMR_OFFSET 0x00048000 @@ -444,22 +487,6 @@ static inline int iop13xx_cpu_id(void) /*==============================ADMA UNITS===============================*/ #define IOP13XX_ADMA_PHYS_BASE(chan) IOP13XX_REG_ADDR32_PHYS((chan << 9)) #define IOP13XX_ADMA_UPPER_PA(chan) (IOP13XX_ADMA_PHYS_BASE(chan) + 0xc0) -#define IOP13XX_ADMA_OFFSET(chan, ofs) IOP13XX_REG_ADDR32((chan << 9) + (ofs)) - -#define IOP13XX_ADMA_ACCR(chan) IOP13XX_ADMA_OFFSET(chan, 0x0) -#define IOP13XX_ADMA_ACSR(chan) IOP13XX_ADMA_OFFSET(chan, 0x4) -#define IOP13XX_ADMA_ADAR(chan) IOP13XX_ADMA_OFFSET(chan, 0x8) -#define IOP13XX_ADMA_IIPCR(chan) IOP13XX_ADMA_OFFSET(chan, 0x18) -#define IOP13XX_ADMA_IIPAR(chan) IOP13XX_ADMA_OFFSET(chan, 0x1c) -#define IOP13XX_ADMA_IIPUAR(chan) IOP13XX_ADMA_OFFSET(chan, 0x20) -#define IOP13XX_ADMA_ANDAR(chan) IOP13XX_ADMA_OFFSET(chan, 0x24) -#define IOP13XX_ADMA_ADCR(chan) IOP13XX_ADMA_OFFSET(chan, 0x28) -#define IOP13XX_ADMA_CARMD(chan) IOP13XX_ADMA_OFFSET(chan, 0x2c) -#define IOP13XX_ADMA_ABCR(chan) IOP13XX_ADMA_OFFSET(chan, 0x30) -#define IOP13XX_ADMA_DLADR(chan) IOP13XX_ADMA_OFFSET(chan, 0x34) -#define IOP13XX_ADMA_DUADR(chan) IOP13XX_ADMA_OFFSET(chan, 0x38) -#define IOP13XX_ADMA_SLAR(src, chan) IOP13XX_ADMA_OFFSET(chan, 0x3c + (src <<3)) -#define IOP13XX_ADMA_SUAR(src, chan) IOP13XX_ADMA_OFFSET(chan, 0x40 + (src <<3)) /*==============================XSI BRIDGE===============================*/ #define IOP13XX_XBG_BECSR IOP13XX_REG_ADDR32(0x178c) @@ -486,4 +513,14 @@ static inline int iop13xx_cpu_id(void) #define IOP13XX_PBI_LR1 IOP13XX_PBI_OFFSET(0x14) #define IOP13XX_PROCESSOR_FREQ IOP13XX_REG_ADDR32(0x2180) + +/* Watchdog timer definitions */ +#define IOP_WDTCR_EN_ARM 0x1e1e1e1e +#define IOP_WDTCR_EN 0xe1e1e1e1 +#define IOP_WDTCR_DIS_ARM 0x1f1f1f1f +#define IOP_WDTCR_DIS 0xf1f1f1f1 +#define IOP_RCSR_WDT (1 << 5) /* reset caused by watchdog timer */ +#define IOP13XX_WDTSR_WRITE_EN (1 << 31) /* used to speed up reset requests */ +#define IOP13XX_WDTCR_IB_RESET (1 << 0) + #endif /* _IOP13XX_HW_H_ */ diff --git a/include/asm-arm/arch-iop13xx/system.h b/include/asm-arm/arch-iop13xx/system.h index 127827058e1f..8575af8db78c 100644 --- a/include/asm-arm/arch-iop13xx/system.h +++ b/include/asm-arm/arch-iop13xx/system.h @@ -13,43 +13,13 @@ static inline void arch_idle(void) cpu_do_idle(); } -/* WDTCR CP6 R7 Page 9 */ -static inline u32 read_wdtcr(void) -{ - u32 val; - asm volatile("mrc p6, 0, %0, c7, c9, 0":"=r" (val)); - return val; -} -static inline void write_wdtcr(u32 val) -{ - asm volatile("mcr p6, 0, %0, c7, c9, 0"::"r" (val)); -} - -/* WDTSR CP6 R8 Page 9 */ -static inline u32 read_wdtsr(void) -{ - u32 val; - asm volatile("mrc p6, 0, %0, c8, c9, 0":"=r" (val)); - return val; -} -static inline void write_wdtsr(u32 val) -{ - asm volatile("mcr p6, 0, %0, c8, c9, 0"::"r" (val)); -} - -#define IOP13XX_WDTCR_EN_ARM 0x1e1e1e1e -#define IOP13XX_WDTCR_EN 0xe1e1e1e1 -#define IOP13XX_WDTCR_DIS_ARM 0x1f1f1f1f -#define IOP13XX_WDTCR_DIS 0xf1f1f1f1 -#define IOP13XX_WDTSR_WRITE_EN (1 << 31) -#define IOP13XX_WDTCR_IB_RESET (1 << 0) static inline void arch_reset(char mode) { /* * Reset the internal bus (warning both cores are reset) */ - write_wdtcr(IOP13XX_WDTCR_EN_ARM); - write_wdtcr(IOP13XX_WDTCR_EN); + write_wdtcr(IOP_WDTCR_EN_ARM); + write_wdtcr(IOP_WDTCR_EN); write_wdtsr(IOP13XX_WDTSR_WRITE_EN | IOP13XX_WDTCR_IB_RESET); write_wdtcr(0x1000); diff --git a/include/asm-arm/arch-iop13xx/uncompress.h b/include/asm-arm/arch-iop13xx/uncompress.h index b9525d59b7ad..dd9c2934190e 100644 --- a/include/asm-arm/arch-iop13xx/uncompress.h +++ b/include/asm-arm/arch-iop13xx/uncompress.h @@ -1,7 +1,6 @@ #include <asm/types.h> #include <linux/serial_reg.h> #include <asm/hardware.h> -#include <asm/processor.h> #define UART_BASE ((volatile u32 *)IOP13XX_UART1_PHYS) #define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) @@ -9,7 +8,7 @@ static inline void putc(char c) { while ((UART_BASE[UART_LSR] & TX_DONE) != TX_DONE) - cpu_relax(); + barrier(); UART_BASE[UART_TX] = c; } diff --git a/include/asm-arm/arch-iop32x/adma.h b/include/asm-arm/arch-iop32x/adma.h new file mode 100644 index 000000000000..5ed92037dd10 --- /dev/null +++ b/include/asm-arm/arch-iop32x/adma.h @@ -0,0 +1,5 @@ +#ifndef IOP32X_ADMA_H +#define IOP32X_ADMA_H +#include <asm/hardware/iop3xx-adma.h> +#endif + diff --git a/include/asm-arm/arch-iop32x/uncompress.h b/include/asm-arm/arch-iop32x/uncompress.h index e64f52bf2bce..070f15818fe7 100644 --- a/include/asm-arm/arch-iop32x/uncompress.h +++ b/include/asm-arm/arch-iop32x/uncompress.h @@ -26,7 +26,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id) { if (machine_is_iq80321()) uart_base = (volatile u8 *)IQ80321_UART; - else if (machine_is_iq31244()) + else if (machine_is_iq31244() || machine_is_em7210()) uart_base = (volatile u8 *)IQ31244_UART; else uart_base = (volatile u8 *)0xfe800000; diff --git a/include/asm-arm/arch-iop33x/adma.h b/include/asm-arm/arch-iop33x/adma.h new file mode 100644 index 000000000000..4b92f795f90e --- /dev/null +++ b/include/asm-arm/arch-iop33x/adma.h @@ -0,0 +1,5 @@ +#ifndef IOP33X_ADMA_H +#define IOP33X_ADMA_H +#include <asm/hardware/iop3xx-adma.h> +#endif + diff --git a/include/asm-arm/arch-ixp4xx/ixdp425.h b/include/asm-arm/arch-ixp4xx/ixdp425.h index 3d3820d7ba09..e0791af3bfea 100644 --- a/include/asm-arm/arch-ixp4xx/ixdp425.h +++ b/include/asm-arm/arch-ixp4xx/ixdp425.h @@ -32,4 +32,8 @@ #define IXDP425_PCI_INTC_PIN 9 #define IXDP425_PCI_INTD_PIN 8 +/* NAND Flash pins */ +#define IXDP425_NAND_NCE_PIN 12 +#define IXDP425_NAND_CMD_BYTE 0x01 +#define IXDP425_NAND_ADDR_BYTE 0x02 diff --git a/include/asm-arm/arch-ixp4xx/udc.h b/include/asm-arm/arch-ixp4xx/udc.h index 79b850a3be47..dbdec36ff0d1 100644 --- a/include/asm-arm/arch-ixp4xx/udc.h +++ b/include/asm-arm/arch-ixp4xx/udc.h @@ -6,25 +6,3 @@ extern void ixp4xx_set_udc_info(struct pxa2xx_udc_mach_info *info); -static inline int udc_gpio_to_irq(unsigned gpio) -{ - return 0; -} - -static inline void udc_gpio_init_vbus(unsigned gpio) -{ -} - -static inline void udc_gpio_init_pullup(unsigned gpio) -{ -} - -static inline int udc_gpio_get(unsigned gpio) -{ - return 0; -} - -static inline void udc_gpio_set(unsigned gpio, int is_on) -{ -} - diff --git a/include/asm-arm/arch-ixp4xx/uncompress.h b/include/asm-arm/arch-ixp4xx/uncompress.h index 09ae6c91be60..f7a35b78823f 100644 --- a/include/asm-arm/arch-ixp4xx/uncompress.h +++ b/include/asm-arm/arch-ixp4xx/uncompress.h @@ -38,9 +38,10 @@ static void flush(void) static __inline__ void __arch_decomp_setup(unsigned long arch_id) { /* - * Coyote and gtwx5715 only have UART2 connected + * Some boards are using UART2 as console */ - if (machine_is_adi_coyote() || machine_is_gtwx5715()) + if (machine_is_adi_coyote() || machine_is_gtwx5715() || + machine_is_gateway7001() || machine_is_wg302v2()) uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS; else uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS; diff --git a/include/asm-arm/arch-ks8695/gpio.h b/include/asm-arm/arch-ks8695/gpio.h new file mode 100644 index 000000000000..65ceea28607b --- /dev/null +++ b/include/asm-arm/arch-ks8695/gpio.h @@ -0,0 +1,79 @@ +/* + * include/asm-arm/arch-ks8695/gpio.h + * + * Copyright (C) 2006 Andrew Victor + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_GPIO_H_ +#define __ASM_ARCH_GPIO_H_ + +#define KS8695_GPIO_0 0 +#define KS8695_GPIO_1 1 +#define KS8695_GPIO_2 2 +#define KS8695_GPIO_3 3 +#define KS8695_GPIO_4 4 +#define KS8695_GPIO_5 5 +#define KS8695_GPIO_6 6 +#define KS8695_GPIO_7 7 +#define KS8695_GPIO_8 8 +#define KS8695_GPIO_9 9 +#define KS8695_GPIO_10 10 +#define KS8695_GPIO_11 11 +#define KS8695_GPIO_12 12 +#define KS8695_GPIO_13 13 +#define KS8695_GPIO_14 14 +#define KS8695_GPIO_15 15 + + +/* + * Configure GPIO pin as external interrupt source. + */ +int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type); + +/* + * Configure the GPIO line as an input. + */ +int __init_or_module gpio_direction_input(unsigned int pin); + +/* + * Configure the GPIO line as an output, with default state. + */ +int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state); + +/* + * Set the state of an output GPIO line. + */ +void gpio_set_value(unsigned int pin, unsigned int state); + +/* + * Read the state of a GPIO line. + */ +int gpio_get_value(unsigned int pin); + +/* + * Map GPIO line to IRQ number. + */ +int gpio_to_irq(unsigned int pin); + +/* + * Map IRQ number to GPIO line. + */ +int irq_to_gpio(unsigned int irq); + + +#include <asm-generic/gpio.h> + +static inline int gpio_request(unsigned int pin, const char *label) +{ + return 0; +} + +static inline void gpio_free(unsigned int pin) +{ +} + +#endif diff --git a/include/asm-arm/arch-mxc/board-mx31ads.h b/include/asm-arm/arch-mxc/board-mx31ads.h new file mode 100644 index 000000000000..be29b83ad4ae --- /dev/null +++ b/include/asm-arm/arch-mxc/board-mx31ads.h @@ -0,0 +1,142 @@ +/* + * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_MXC_BOARD_MX31ADS_H__ +#define __ASM_ARCH_MXC_BOARD_MX31ADS_H__ + +/*! + * @name PBC Controller parameters + */ +/*! @{ */ +/*! + * Base address of PBC controller + */ +#define PBC_BASE_ADDRESS IO_ADDRESS(CS4_BASE_ADDR) +/* Offsets for the PBC Controller register */ +/*! + * PBC Board status register offset + */ +#define PBC_BSTAT 0x000002 +/*! + * PBC Board control register 1 set address. + */ +#define PBC_BCTRL1_SET 0x000004 +/*! + * PBC Board control register 1 clear address. + */ +#define PBC_BCTRL1_CLEAR 0x000006 +/*! + * PBC Board control register 2 set address. + */ +#define PBC_BCTRL2_SET 0x000008 +/*! + * PBC Board control register 2 clear address. + */ +#define PBC_BCTRL2_CLEAR 0x00000A +/*! + * PBC Board control register 3 set address. + */ +#define PBC_BCTRL3_SET 0x00000C +/*! + * PBC Board control register 3 clear address. + */ +#define PBC_BCTRL3_CLEAR 0x00000E +/*! + * PBC Board control register 4 set address. + */ +#define PBC_BCTRL4_SET 0x000010 +/*! + * PBC Board control register 4 clear address. + */ +#define PBC_BCTRL4_CLEAR 0x000012 +/*! + * PBC Board status register 1. + */ +#define PBC_BSTAT1 0x000014 +/*! + * PBC Board interrupt status register. + */ +#define PBC_INTSTATUS 0x000016 +/*! + * PBC Board interrupt current status register. + */ +#define PBC_INTCURR_STATUS 0x000018 +/*! + * PBC Interrupt mask register set address. + */ +#define PBC_INTMASK_SET 0x00001A +/*! + * PBC Interrupt mask register clear address. + */ +#define PBC_INTMASK_CLEAR 0x00001C + +/*! + * External UART A. + */ +#define PBC_SC16C652_UARTA 0x010000 +/*! + * External UART B. + */ +#define PBC_SC16C652_UARTB 0x010010 +/*! + * Ethernet Controller IO base address. + */ +#define PBC_CS8900A_IOBASE 0x020000 +/*! + * Ethernet Controller Memory base address. + */ +#define PBC_CS8900A_MEMBASE 0x021000 +/*! + * Ethernet Controller DMA base address. + */ +#define PBC_CS8900A_DMABASE 0x022000 +/*! + * External chip select 0. + */ +#define PBC_XCS0 0x040000 +/*! + * LCD Display enable. + */ +#define PBC_LCD_EN_B 0x060000 +/*! + * Code test debug enable. + */ +#define PBC_CODE_B 0x070000 +/*! + * PSRAM memory select. + */ +#define PBC_PSRAM_B 0x5000000 + +#define PBC_INTSTATUS_REG (PBC_INTSTATUS + PBC_BASE_ADDRESS) +#define PBC_INTCURR_STATUS_REG (PBC_INTCURR_STATUS + PBC_BASE_ADDRESS) +#define PBC_INTMASK_SET_REG (PBC_INTMASK_SET + PBC_BASE_ADDRESS) +#define PBC_INTMASK_CLEAR_REG (PBC_INTMASK_CLEAR + PBC_BASE_ADDRESS) +#define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX31_PIN_GPIO1_4) + +#define EXPIO_INT_LOW_BAT (MXC_EXP_IO_BASE + 0) +#define EXPIO_INT_PB_IRQ (MXC_EXP_IO_BASE + 1) +#define EXPIO_INT_OTG_FS_OVR (MXC_EXP_IO_BASE + 2) +#define EXPIO_INT_FSH_OVR (MXC_EXP_IO_BASE + 3) +#define EXPIO_INT_RES4 (MXC_EXP_IO_BASE + 4) +#define EXPIO_INT_RES5 (MXC_EXP_IO_BASE + 5) +#define EXPIO_INT_RES6 (MXC_EXP_IO_BASE + 6) +#define EXPIO_INT_RES7 (MXC_EXP_IO_BASE + 7) +#define EXPIO_INT_ENET_INT (MXC_EXP_IO_BASE + 8) +#define EXPIO_INT_OTG_FS_INT (MXC_EXP_IO_BASE + 9) +#define EXPIO_INT_XUART_INTA (MXC_EXP_IO_BASE + 10) +#define EXPIO_INT_XUART_INTB (MXC_EXP_IO_BASE + 11) +#define EXPIO_INT_SYNTH_IRQ (MXC_EXP_IO_BASE + 12) +#define EXPIO_INT_CE_INT1 (MXC_EXP_IO_BASE + 13) +#define EXPIO_INT_CE_INT2 (MXC_EXP_IO_BASE + 14) +#define EXPIO_INT_RES15 (MXC_EXP_IO_BASE + 15) + +#define MXC_MAX_EXP_IO_LINES 16 + +#endif /* __ASM_ARCH_MXC_BOARD_MX31ADS_H__ */ diff --git a/include/asm-arm/arch-mxc/common.h b/include/asm-arm/arch-mxc/common.h new file mode 100644 index 000000000000..23b4350edbd6 --- /dev/null +++ b/include/asm-arm/arch-mxc/common.h @@ -0,0 +1,20 @@ +/* + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_MXC_COMMON_H__ +#define __ASM_ARCH_MXC_COMMON_H__ + +struct sys_timer; + +extern void mxc_map_io(void); +extern void mxc_init_irq(void); +extern struct sys_timer mxc_timer; + +#endif diff --git a/include/asm-arm/arch-mxc/dma.h b/include/asm-arm/arch-mxc/dma.h new file mode 100644 index 000000000000..65e639d51d2b --- /dev/null +++ b/include/asm-arm/arch-mxc/dma.h @@ -0,0 +1,21 @@ +/* + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_MXC_DMA_H__ +#define __ASM_ARCH_MXC_DMA_H__ + +/*! + * @file dma.h + * @brief This file contains Unified DMA API for all MXC platforms. + * The API is platform independent. + * + * @ingroup SDMA + */ +#endif diff --git a/include/asm-arm/arch-mxc/entry-macro.S b/include/asm-arm/arch-mxc/entry-macro.S new file mode 100644 index 000000000000..b542433afb1b --- /dev/null +++ b/include/asm-arm/arch-mxc/entry-macro.S @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2007 Lennert Buytenhek <buytenh@wantstofly.org> + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + + @ this macro disables fast irq (not implemented) + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + @ this macro checks which interrupt occured + @ and returns its number in irqnr + @ and returns if an interrupt occured in irqstat + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \base, =AVIC_IO_ADDRESS(AVIC_BASE_ADDR) + @ Load offset & priority of the highest priority + @ interrupt pending from AVIC_NIVECSR + ldr \irqstat, [\base, #0x40] + @ Shift to get the decoded IRQ number, using ASR so + @ 'no interrupt pending' becomes 0xffffffff + mov \irqnr, \irqstat, asr #16 + @ set zero flag if IRQ + 1 == 0 + adds \tmp, \irqnr, #1 + .endm + + @ irq priority table (not used) + .macro irq_prio_table + .endm diff --git a/include/asm-arm/arch-mxc/hardware.h b/include/asm-arm/arch-mxc/hardware.h new file mode 100644 index 000000000000..3c09b92fef0d --- /dev/null +++ b/include/asm-arm/arch-mxc/hardware.h @@ -0,0 +1,52 @@ +/* + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/*! + * @file hardware.h + * @brief This file contains the hardware definitions of the board. + * + * @ingroup System + */ +#ifndef __ASM_ARCH_MXC_HARDWARE_H__ +#define __ASM_ARCH_MXC_HARDWARE_H__ + +#include <asm/sizes.h> + +#include <asm/arch/mx31.h> + +#include <asm/arch/mxc.h> + +#define MXC_MAX_GPIO_LINES (GPIO_NUM_PIN * GPIO_PORT_NUM) + +/* + * --------------------------------------------------------------------------- + * Board specific defines + * --------------------------------------------------------------------------- + */ +#define MXC_EXP_IO_BASE (MXC_GPIO_INT_BASE + MXC_MAX_GPIO_LINES) + +#include <asm/arch/board-mx31ads.h> + +#ifndef MXC_MAX_EXP_IO_LINES +#define MXC_MAX_EXP_IO_LINES 0 +#endif + +#define MXC_MAX_VIRTUAL_INTS 16 +#define MXC_VIRTUAL_INTS_BASE (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES) +#define MXC_SDIO1_CARD_IRQ MXC_VIRTUAL_INTS_BASE +#define MXC_SDIO2_CARD_IRQ (MXC_VIRTUAL_INTS_BASE + 1) +#define MXC_SDIO3_CARD_IRQ (MXC_VIRTUAL_INTS_BASE + 2) + +#define MXC_MAX_INTS (MXC_MAX_INT_LINES + \ + MXC_MAX_GPIO_LINES + \ + MXC_MAX_EXP_IO_LINES + \ + MXC_MAX_VIRTUAL_INTS) + +#endif /* __ASM_ARCH_MXC_HARDWARE_H__ */ diff --git a/include/asm-arm/arch-mxc/io.h b/include/asm-arm/arch-mxc/io.h new file mode 100644 index 000000000000..cf6c83a4b9f7 --- /dev/null +++ b/include/asm-arm/arch-mxc/io.h @@ -0,0 +1,33 @@ +/* + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/*! + * @file io.h + * @brief This file contains some memory mapping macros. + * @note There is no real ISA or PCI buses. But have to define these macros + * for some drivers to compile. + * + * @ingroup System + */ + +#ifndef __ASM_ARCH_MXC_IO_H__ +#define __ASM_ARCH_MXC_IO_H__ + +/*! Allow IO space to be anywhere in the memory */ +#define IO_SPACE_LIMIT 0xffffffff + +/*! + * io address mapping macro + */ +#define __io(a) ((void __iomem *)(a)) + +#define __mem_pci(a) (a) + +#endif diff --git a/include/asm-arm/arch-mxc/irqs.h b/include/asm-arm/arch-mxc/irqs.h new file mode 100644 index 000000000000..e4686c6bc4bf --- /dev/null +++ b/include/asm-arm/arch-mxc/irqs.h @@ -0,0 +1,38 @@ +/* + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_MXC_IRQS_H__ +#define __ASM_ARCH_MXC_IRQS_H__ + +#include <asm/hardware.h> + +/*! + * @file irqs.h + * @brief This file defines the number of normal interrupts and fast interrupts + * + * @ingroup Interrupt + */ + +#define MXC_IRQ_TO_EXPIO(irq) ((irq) - MXC_EXP_IO_BASE) + +#define MXC_IRQ_TO_GPIO(irq) ((irq) - MXC_GPIO_INT_BASE) +#define MXC_GPIO_TO_IRQ(x) (MXC_GPIO_INT_BASE + x) + +/*! + * Number of normal interrupts + */ +#define NR_IRQS MXC_MAX_INTS + +/*! + * Number of fast interrupts + */ +#define NR_FIQS MXC_MAX_INTS + +#endif /* __ASM_ARCH_MXC_IRQS_H__ */ diff --git a/include/asm-arm/arch-mxc/memory.h b/include/asm-arm/arch-mxc/memory.h new file mode 100644 index 000000000000..c89aac83a407 --- /dev/null +++ b/include/asm-arm/arch-mxc/memory.h @@ -0,0 +1,36 @@ +/* + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_MXC_MEMORY_H__ +#define __ASM_ARCH_MXC_MEMORY_H__ + +#include <asm/hardware.h> + +/*! + * @file memory.h + * @brief This file contains macros needed by the Linux kernel and drivers. + * + * @ingroup Memory + */ + +/*! + * Virtual view <-> DMA view memory address translations + * This macro is used to translate the virtual address to an address + * suitable to be passed to set_dma_addr() + */ +#define __virt_to_bus(a) __virt_to_phys(a) + +/*! + * Used to convert an address for DMA operations to an address that the + * kernel can use. + */ +#define __bus_to_virt(a) __phys_to_virt(a) + +#endif /* __ASM_ARCH_MXC_MEMORY_H__ */ diff --git a/include/asm-arm/arch-mxc/mx31.h b/include/asm-arm/arch-mxc/mx31.h new file mode 100644 index 000000000000..85c49c9e5d15 --- /dev/null +++ b/include/asm-arm/arch-mxc/mx31.h @@ -0,0 +1,335 @@ +/* + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_MXC_MX31_H__ +#define __ASM_ARCH_MXC_MX31_H__ + +#ifndef __ASM_ARCH_MXC_HARDWARE_H__ +#error "Do not include directly." +#endif + +/*! + * defines the hardware clock tick rate + */ +#define CLOCK_TICK_RATE 16625000 + +/* + * MX31 memory map: + * + * Virt Phys Size What + * --------------------------------------------------------------------------- + * F8000000 1FFC0000 16K IRAM + * F9000000 30000000 256M L2CC + * FC000000 43F00000 1M AIPS 1 + * FC100000 50000000 1M SPBA + * FC200000 53F00000 1M AIPS 2 + * FC500000 60000000 128M ROMPATCH + * FC400000 68000000 128M AVIC + * 70000000 256M IPU (MAX M2) + * 80000000 256M CSD0 SDRAM/DDR + * 90000000 256M CSD1 SDRAM/DDR + * A0000000 128M CS0 Flash + * A8000000 128M CS1 Flash + * B0000000 32M CS2 + * B2000000 32M CS3 + * F4000000 B4000000 32M CS4 + * B6000000 32M CS5 + * FC320000 B8000000 64K NAND, SDRAM, WEIM, M3IF, EMI controllers + * C0000000 64M PCMCIA/CF + */ + +#define CS0_BASE_ADDR 0xA0000000 +#define CS1_BASE_ADDR 0xA8000000 +#define CS2_BASE_ADDR 0xB0000000 +#define CS3_BASE_ADDR 0xB2000000 + +#define CS4_BASE_ADDR 0xB4000000 +#define CS4_BASE_ADDR_VIRT 0xF4000000 +#define CS4_SIZE SZ_32M + +#define CS5_BASE_ADDR 0xB6000000 +#define PCMCIA_MEM_BASE_ADDR 0xBC000000 + +/* + * IRAM + */ +#define IRAM_BASE_ADDR 0x1FFC0000 /* internal ram */ +#define IRAM_BASE_ADDR_VIRT 0xF8000000 +#define IRAM_SIZE SZ_16K + +/* + * L2CC + */ +#define L2CC_BASE_ADDR 0x30000000 +#define L2CC_BASE_ADDR_VIRT 0xF9000000 +#define L2CC_SIZE SZ_1M + +/* + * AIPS 1 + */ +#define AIPS1_BASE_ADDR 0x43F00000 +#define AIPS1_BASE_ADDR_VIRT 0xFC000000 +#define AIPS1_SIZE SZ_1M + +#define MAX_BASE_ADDR (AIPS1_BASE_ADDR + 0x00004000) +#define EVTMON_BASE_ADDR (AIPS1_BASE_ADDR + 0x00008000) +#define CLKCTL_BASE_ADDR (AIPS1_BASE_ADDR + 0x0000C000) +#define ETB_SLOT4_BASE_ADDR (AIPS1_BASE_ADDR + 0x00010000) +#define ETB_SLOT5_BASE_ADDR (AIPS1_BASE_ADDR + 0x00014000) +#define ECT_CTIO_BASE_ADDR (AIPS1_BASE_ADDR + 0x00018000) +#define I2C_BASE_ADDR (AIPS1_BASE_ADDR + 0x00080000) +#define I2C3_BASE_ADDR (AIPS1_BASE_ADDR + 0x00084000) +#define OTG_BASE_ADDR (AIPS1_BASE_ADDR + 0x00088000) +#define ATA_BASE_ADDR (AIPS1_BASE_ADDR + 0x0008C000) +#define UART1_BASE_ADDR (AIPS1_BASE_ADDR + 0x00090000) +#define UART2_BASE_ADDR (AIPS1_BASE_ADDR + 0x00094000) +#define I2C2_BASE_ADDR (AIPS1_BASE_ADDR + 0x00098000) +#define OWIRE_BASE_ADDR (AIPS1_BASE_ADDR + 0x0009C000) +#define SSI1_BASE_ADDR (AIPS1_BASE_ADDR + 0x000A0000) +#define CSPI1_BASE_ADDR (AIPS1_BASE_ADDR + 0x000A4000) +#define KPP_BASE_ADDR (AIPS1_BASE_ADDR + 0x000A8000) +#define IOMUXC_BASE_ADDR (AIPS1_BASE_ADDR + 0x000AC000) +#define UART4_BASE_ADDR (AIPS1_BASE_ADDR + 0x000B0000) +#define UART5_BASE_ADDR (AIPS1_BASE_ADDR + 0x000B4000) +#define ECT_IP1_BASE_ADDR (AIPS1_BASE_ADDR + 0x000B8000) +#define ECT_IP2_BASE_ADDR (AIPS1_BASE_ADDR + 0x000BC000) + +/* + * SPBA global module enabled #0 + */ +#define SPBA0_BASE_ADDR 0x50000000 +#define SPBA0_BASE_ADDR_VIRT 0xFC100000 +#define SPBA0_SIZE SZ_1M + +#define MMC_SDHC1_BASE_ADDR (SPBA0_BASE_ADDR + 0x00004000) +#define MMC_SDHC2_BASE_ADDR (SPBA0_BASE_ADDR + 0x00008000) +#define UART3_BASE_ADDR (SPBA0_BASE_ADDR + 0x0000C000) +#define CSPI2_BASE_ADDR (SPBA0_BASE_ADDR + 0x00010000) +#define SSI2_BASE_ADDR (SPBA0_BASE_ADDR + 0x00014000) +#define SIM1_BASE_ADDR (SPBA0_BASE_ADDR + 0x00018000) +#define IIM_BASE_ADDR (SPBA0_BASE_ADDR + 0x0001C000) +#define ATA_DMA_BASE_ADDR (SPBA0_BASE_ADDR + 0x00020000) +#define MSHC1_BASE_ADDR (SPBA0_BASE_ADDR + 0x00024000) +#define MSHC2_BASE_ADDR (SPBA0_BASE_ADDR + 0x00024000) +#define SPBA_CTRL_BASE_ADDR (SPBA0_BASE_ADDR + 0x0003C000) + +/* + * AIPS 2 + */ +#define AIPS2_BASE_ADDR 0x53F00000 +#define AIPS2_BASE_ADDR_VIRT 0xFC200000 +#define AIPS2_SIZE SZ_1M +#define CCM_BASE_ADDR (AIPS2_BASE_ADDR + 0x00080000) +#define CSPI3_BASE_ADDR (AIPS2_BASE_ADDR + 0x00084000) +#define FIRI_BASE_ADDR (AIPS2_BASE_ADDR + 0x0008C000) +#define GPT1_BASE_ADDR (AIPS2_BASE_ADDR + 0x00090000) +#define EPIT1_BASE_ADDR (AIPS2_BASE_ADDR + 0x00094000) +#define EPIT2_BASE_ADDR (AIPS2_BASE_ADDR + 0x00098000) +#define GPIO3_BASE_ADDR (AIPS2_BASE_ADDR + 0x000A4000) +#define SCC_BASE_ADDR (AIPS2_BASE_ADDR + 0x000AC000) +#define SCM_BASE_ADDR (AIPS2_BASE_ADDR + 0x000AE000) +#define SMN_BASE_ADDR (AIPS2_BASE_ADDR + 0x000AF000) +#define RNGA_BASE_ADDR (AIPS2_BASE_ADDR + 0x000B0000) +#define IPU_CTRL_BASE_ADDR (AIPS2_BASE_ADDR + 0x000C0000) +#define AUDMUX_BASE_ADDR (AIPS2_BASE_ADDR + 0x000C4000) +#define MPEG4_ENC_BASE_ADDR (AIPS2_BASE_ADDR + 0x000C8000) +#define GPIO1_BASE_ADDR (AIPS2_BASE_ADDR + 0x000CC000) +#define GPIO2_BASE_ADDR (AIPS2_BASE_ADDR + 0x000D0000) +#define SDMA_BASE_ADDR (AIPS2_BASE_ADDR + 0x000D4000) +#define RTC_BASE_ADDR (AIPS2_BASE_ADDR + 0x000D8000) +#define WDOG_BASE_ADDR (AIPS2_BASE_ADDR + 0x000DC000) +#define PWM_BASE_ADDR (AIPS2_BASE_ADDR + 0x000E0000) +#define RTIC_BASE_ADDR (AIPS2_BASE_ADDR + 0x000EC000) + +/* + * ROMP and AVIC + */ +#define ROMP_BASE_ADDR 0x60000000 +#define ROMP_BASE_ADDR_VIRT 0xFC500000 +#define ROMP_SIZE SZ_1M + +#define AVIC_BASE_ADDR 0x68000000 +#define AVIC_BASE_ADDR_VIRT 0xFC400000 +#define AVIC_SIZE SZ_1M + +/* + * NAND, SDRAM, WEIM, M3IF, EMI controllers + */ +#define X_MEMC_BASE_ADDR 0xB8000000 +#define X_MEMC_BASE_ADDR_VIRT 0xFC320000 +#define X_MEMC_SIZE SZ_64K + +#define NFC_BASE_ADDR (X_MEMC_BASE_ADDR + 0x0000) +#define ESDCTL_BASE_ADDR (X_MEMC_BASE_ADDR + 0x1000) +#define WEIM_BASE_ADDR (X_MEMC_BASE_ADDR + 0x2000) +#define M3IF_BASE_ADDR (X_MEMC_BASE_ADDR + 0x3000) +#define EMI_CTL_BASE_ADDR (X_MEMC_BASE_ADDR + 0x4000) +#define PCMCIA_CTL_BASE_ADDR EMI_CTL_BASE_ADDR + +/* + * Memory regions and CS + */ +#define IPU_MEM_BASE_ADDR 0x70000000 +#define CSD0_BASE_ADDR 0x80000000 +#define CSD1_BASE_ADDR 0x90000000 +#define CS0_BASE_ADDR 0xA0000000 +#define CS1_BASE_ADDR 0xA8000000 +#define CS2_BASE_ADDR 0xB0000000 +#define CS3_BASE_ADDR 0xB2000000 + +#define CS4_BASE_ADDR 0xB4000000 +#define CS4_BASE_ADDR_VIRT 0xF4000000 +#define CS4_SIZE SZ_32M + +#define CS5_BASE_ADDR 0xB6000000 +#define PCMCIA_MEM_BASE_ADDR 0xBC000000 + +/*! + * This macro defines the physical to virtual address mapping for all the + * peripheral modules. It is used by passing in the physical address as x + * and returning the virtual address. If the physical address is not mapped, + * it returns 0xDEADBEEF + */ +#define IO_ADDRESS(x) \ + (((x >= IRAM_BASE_ADDR) && (x < (IRAM_BASE_ADDR + IRAM_SIZE))) ? IRAM_IO_ADDRESS(x):\ + ((x >= L2CC_BASE_ADDR) && (x < (L2CC_BASE_ADDR + L2CC_SIZE))) ? L2CC_IO_ADDRESS(x):\ + ((x >= AIPS1_BASE_ADDR) && (x < (AIPS1_BASE_ADDR + AIPS1_SIZE))) ? AIPS1_IO_ADDRESS(x):\ + ((x >= SPBA0_BASE_ADDR) && (x < (SPBA0_BASE_ADDR + SPBA0_SIZE))) ? SPBA0_IO_ADDRESS(x):\ + ((x >= AIPS2_BASE_ADDR) && (x < (AIPS2_BASE_ADDR + AIPS2_SIZE))) ? AIPS2_IO_ADDRESS(x):\ + ((x >= ROMP_BASE_ADDR) && (x < (ROMP_BASE_ADDR + ROMP_SIZE))) ? ROMP_IO_ADDRESS(x):\ + ((x >= AVIC_BASE_ADDR) && (x < (AVIC_BASE_ADDR + AVIC_SIZE))) ? AVIC_IO_ADDRESS(x):\ + ((x >= CS4_BASE_ADDR) && (x < (CS4_BASE_ADDR + CS4_SIZE))) ? CS4_IO_ADDRESS(x):\ + ((x >= X_MEMC_BASE_ADDR) && (x < (X_MEMC_BASE_ADDR + X_MEMC_SIZE))) ? X_MEMC_IO_ADDRESS(x):\ + 0xDEADBEEF) + +/* + * define the address mapping macros: in physical address order + */ + +#define IRAM_IO_ADDRESS(x) \ + (((x) - IRAM_BASE_ADDR) + IRAM_BASE_ADDR_VIRT) + +#define L2CC_IO_ADDRESS(x) \ + (((x) - L2CC_BASE_ADDR) + L2CC_BASE_ADDR_VIRT) + +#define AIPS1_IO_ADDRESS(x) \ + (((x) - AIPS1_BASE_ADDR) + AIPS1_BASE_ADDR_VIRT) + +#define SPBA0_IO_ADDRESS(x) \ + (((x) - SPBA0_BASE_ADDR) + SPBA0_BASE_ADDR_VIRT) + +#define AIPS2_IO_ADDRESS(x) \ + (((x) - AIPS2_BASE_ADDR) + AIPS2_BASE_ADDR_VIRT) + +#define ROMP_IO_ADDRESS(x) \ + (((x) - ROMP_BASE_ADDR) + ROMP_BASE_ADDR_VIRT) + +#define AVIC_IO_ADDRESS(x) \ + (((x) - AVIC_BASE_ADDR) + AVIC_BASE_ADDR_VIRT) + +#define CS4_IO_ADDRESS(x) \ + (((x) - CS4_BASE_ADDR) + CS4_BASE_ADDR_VIRT) + +#define X_MEMC_IO_ADDRESS(x) \ + (((x) - X_MEMC_BASE_ADDR) + X_MEMC_BASE_ADDR_VIRT) + +#define PCMCIA_IO_ADDRESS(x) \ + (((x) - X_MEMC_BASE_ADDR) + X_MEMC_BASE_ADDR_VIRT) + +/* Start of physical RAM - On many MX31 platforms, this is the first SDRAM bank (CSD0) */ +#define PHYS_OFFSET CSD0_BASE_ADDR + +/* + * Interrupt numbers + */ +#define MXC_INT_PEN_ADS7843 0 +#define MXC_INT_RESV1 1 +#define MXC_INT_CS8900A 2 +#define MXC_INT_I2C3 3 +#define MXC_INT_I2C2 4 +#define MXC_INT_MPEG4_ENCODER 5 +#define MXC_INT_RTIC 6 +#define MXC_INT_FIRI 7 +#define MXC_INT_MMC_SDHC2 8 +#define MXC_INT_MMC_SDHC1 9 +#define MXC_INT_I2C 10 +#define MXC_INT_SSI2 11 +#define MXC_INT_SSI1 12 +#define MXC_INT_CSPI2 13 +#define MXC_INT_CSPI1 14 +#define MXC_INT_ATA 15 +#define MXC_INT_MBX 16 +#define MXC_INT_CSPI3 17 +#define MXC_INT_UART3 18 +#define MXC_INT_IIM 19 +#define MXC_INT_SIM2 20 +#define MXC_INT_SIM1 21 +#define MXC_INT_RNGA 22 +#define MXC_INT_EVTMON 23 +#define MXC_INT_KPP 24 +#define MXC_INT_RTC 25 +#define MXC_INT_PWM 26 +#define MXC_INT_EPIT2 27 +#define MXC_INT_EPIT1 28 +#define MXC_INT_GPT 29 +#define MXC_INT_RESV30 30 +#define MXC_INT_RESV31 31 +#define MXC_INT_UART2 32 +#define MXC_INT_NANDFC 33 +#define MXC_INT_SDMA 34 +#define MXC_INT_USB1 35 +#define MXC_INT_USB2 36 +#define MXC_INT_USB3 37 +#define MXC_INT_USB4 38 +#define MXC_INT_MSHC1 39 +#define MXC_INT_MSHC2 40 +#define MXC_INT_IPU_ERR 41 +#define MXC_INT_IPU_SYN 42 +#define MXC_INT_RESV43 43 +#define MXC_INT_RESV44 44 +#define MXC_INT_UART1 45 +#define MXC_INT_UART4 46 +#define MXC_INT_UART5 47 +#define MXC_INT_ECT 48 +#define MXC_INT_SCC_SCM 49 +#define MXC_INT_SCC_SMN 50 +#define MXC_INT_GPIO2 51 +#define MXC_INT_GPIO1 52 +#define MXC_INT_CCM 53 +#define MXC_INT_PCMCIA 54 +#define MXC_INT_WDOG 55 +#define MXC_INT_GPIO3 56 +#define MXC_INT_RESV57 57 +#define MXC_INT_EXT_POWER 58 +#define MXC_INT_EXT_TEMPER 59 +#define MXC_INT_EXT_SENSOR60 60 +#define MXC_INT_EXT_SENSOR61 61 +#define MXC_INT_EXT_WDOG 62 +#define MXC_INT_EXT_TV 63 + +#define MXC_MAX_INT_LINES 64 + +#define MXC_GPIO_INT_BASE MXC_MAX_INT_LINES + +/*! + * Number of GPIO port as defined in the IC Spec + */ +#define GPIO_PORT_NUM 3 +/*! + * Number of GPIO pins per port + */ +#define GPIO_NUM_PIN 32 + +#define PROD_SIGNATURE 0x1 /* For MX31 */ + +#define SYSTEM_REV_MIN CHIP_REV_1_0 +#define SYSTEM_REV_NUM 3 + +#endif /* __ASM_ARCH_MXC_MX31_H__ */ diff --git a/include/asm-arm/arch-mxc/mxc.h b/include/asm-arm/arch-mxc/mxc.h new file mode 100644 index 000000000000..0837f1f9ca31 --- /dev/null +++ b/include/asm-arm/arch-mxc/mxc.h @@ -0,0 +1,149 @@ +/* + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_MXC_H__ +#define __ASM_ARCH_MXC_H__ + +#ifndef __ASM_ARCH_MXC_HARDWARE_H__ +#error "Do not include directly." +#endif + +/* + ***************************************** + * GPT Register definitions * + ***************************************** + */ +#define MXC_GPT_GPTCR IO_ADDRESS(GPT1_BASE_ADDR + 0x00) +#define MXC_GPT_GPTPR IO_ADDRESS(GPT1_BASE_ADDR + 0x04) +#define MXC_GPT_GPTSR IO_ADDRESS(GPT1_BASE_ADDR + 0x08) +#define MXC_GPT_GPTIR IO_ADDRESS(GPT1_BASE_ADDR + 0x0C) +#define MXC_GPT_GPTOCR1 IO_ADDRESS(GPT1_BASE_ADDR + 0x10) +#define MXC_GPT_GPTOCR2 IO_ADDRESS(GPT1_BASE_ADDR + 0x14) +#define MXC_GPT_GPTOCR3 IO_ADDRESS(GPT1_BASE_ADDR + 0x18) +#define MXC_GPT_GPTICR1 IO_ADDRESS(GPT1_BASE_ADDR + 0x1C) +#define MXC_GPT_GPTICR2 IO_ADDRESS(GPT1_BASE_ADDR + 0x20) +#define MXC_GPT_GPTCNT IO_ADDRESS(GPT1_BASE_ADDR + 0x24) + +/*! + * GPT Control register bit definitions + */ +#define GPTCR_FO3 (1 << 31) +#define GPTCR_FO2 (1 << 30) +#define GPTCR_FO1 (1 << 29) + +#define GPTCR_OM3_SHIFT 26 +#define GPTCR_OM3_MASK (7 << GPTCR_OM3_SHIFT) +#define GPTCR_OM3_DISCONNECTED (0 << GPTCR_OM3_SHIFT) +#define GPTCR_OM3_TOGGLE (1 << GPTCR_OM3_SHIFT) +#define GPTCR_OM3_CLEAR (2 << GPTCR_OM3_SHIFT) +#define GPTCR_OM3_SET (3 << GPTCR_OM3_SHIFT) +#define GPTCR_OM3_GENERATE_LOW (7 << GPTCR_OM3_SHIFT) + +#define GPTCR_OM2_SHIFT 23 +#define GPTCR_OM2_MASK (7 << GPTCR_OM2_SHIFT) +#define GPTCR_OM2_DISCONNECTED (0 << GPTCR_OM2_SHIFT) +#define GPTCR_OM2_TOGGLE (1 << GPTCR_OM2_SHIFT) +#define GPTCR_OM2_CLEAR (2 << GPTCR_OM2_SHIFT) +#define GPTCR_OM2_SET (3 << GPTCR_OM2_SHIFT) +#define GPTCR_OM2_GENERATE_LOW (7 << GPTCR_OM2_SHIFT) + +#define GPTCR_OM1_SHIFT 20 +#define GPTCR_OM1_MASK (7 << GPTCR_OM1_SHIFT) +#define GPTCR_OM1_DISCONNECTED (0 << GPTCR_OM1_SHIFT) +#define GPTCR_OM1_TOGGLE (1 << GPTCR_OM1_SHIFT) +#define GPTCR_OM1_CLEAR (2 << GPTCR_OM1_SHIFT) +#define GPTCR_OM1_SET (3 << GPTCR_OM1_SHIFT) +#define GPTCR_OM1_GENERATE_LOW (7 << GPTCR_OM1_SHIFT) + +#define GPTCR_IM2_SHIFT 18 +#define GPTCR_IM2_MASK (3 << GPTCR_IM2_SHIFT) +#define GPTCR_IM2_CAPTURE_DISABLE (0 << GPTCR_IM2_SHIFT) +#define GPTCR_IM2_CAPTURE_RISING (1 << GPTCR_IM2_SHIFT) +#define GPTCR_IM2_CAPTURE_FALLING (2 << GPTCR_IM2_SHIFT) +#define GPTCR_IM2_CAPTURE_BOTH (3 << GPTCR_IM2_SHIFT) + +#define GPTCR_IM1_SHIFT 16 +#define GPTCR_IM1_MASK (3 << GPTCR_IM1_SHIFT) +#define GPTCR_IM1_CAPTURE_DISABLE (0 << GPTCR_IM1_SHIFT) +#define GPTCR_IM1_CAPTURE_RISING (1 << GPTCR_IM1_SHIFT) +#define GPTCR_IM1_CAPTURE_FALLING (2 << GPTCR_IM1_SHIFT) +#define GPTCR_IM1_CAPTURE_BOTH (3 << GPTCR_IM1_SHIFT) + +#define GPTCR_SWR (1 << 15) +#define GPTCR_FRR (1 << 9) + +#define GPTCR_CLKSRC_SHIFT 6 +#define GPTCR_CLKSRC_MASK (7 << GPTCR_CLKSRC_SHIFT) +#define GPTCR_CLKSRC_NOCLOCK (0 << GPTCR_CLKSRC_SHIFT) +#define GPTCR_CLKSRC_HIGHFREQ (2 << GPTCR_CLKSRC_SHIFT) +#define GPTCR_CLKSRC_CLKIN (3 << GPTCR_CLKSRC_SHIFT) +#define GPTCR_CLKSRC_CLK32K (7 << GPTCR_CLKSRC_SHIFT) + +#define GPTCR_STOPEN (1 << 5) +#define GPTCR_DOZEN (1 << 4) +#define GPTCR_WAITEN (1 << 3) +#define GPTCR_DBGEN (1 << 2) + +#define GPTCR_ENMOD (1 << 1) +#define GPTCR_ENABLE (1 << 0) + +#define GPTSR_OF1 (1 << 0) +#define GPTSR_OF2 (1 << 1) +#define GPTSR_OF3 (1 << 2) +#define GPTSR_IF1 (1 << 3) +#define GPTSR_IF2 (1 << 4) +#define GPTSR_ROV (1 << 5) + +#define GPTIR_OF1IE GPTSR_OF1 +#define GPTIR_OF2IE GPTSR_OF2 +#define GPTIR_OF3IE GPTSR_OF3 +#define GPTIR_IF1IE GPTSR_IF1 +#define GPTIR_IF2IE GPTSR_IF2 +#define GPTIR_ROVIE GPTSR_ROV + +/* + ***************************************** + * AVIC Registers * + ***************************************** + */ +#define AVIC_BASE IO_ADDRESS(AVIC_BASE_ADDR) +#define AVIC_INTCNTL (AVIC_BASE + 0x00) /* int control reg */ +#define AVIC_NIMASK (AVIC_BASE + 0x04) /* int mask reg */ +#define AVIC_INTENNUM (AVIC_BASE + 0x08) /* int enable number reg */ +#define AVIC_INTDISNUM (AVIC_BASE + 0x0C) /* int disable number reg */ +#define AVIC_INTENABLEH (AVIC_BASE + 0x10) /* int enable reg high */ +#define AVIC_INTENABLEL (AVIC_BASE + 0x14) /* int enable reg low */ +#define AVIC_INTTYPEH (AVIC_BASE + 0x18) /* int type reg high */ +#define AVIC_INTTYPEL (AVIC_BASE + 0x1C) /* int type reg low */ +#define AVIC_NIPRIORITY7 (AVIC_BASE + 0x20) /* norm int priority lvl7 */ +#define AVIC_NIPRIORITY6 (AVIC_BASE + 0x24) /* norm int priority lvl6 */ +#define AVIC_NIPRIORITY5 (AVIC_BASE + 0x28) /* norm int priority lvl5 */ +#define AVIC_NIPRIORITY4 (AVIC_BASE + 0x2C) /* norm int priority lvl4 */ +#define AVIC_NIPRIORITY3 (AVIC_BASE + 0x30) /* norm int priority lvl3 */ +#define AVIC_NIPRIORITY2 (AVIC_BASE + 0x34) /* norm int priority lvl2 */ +#define AVIC_NIPRIORITY1 (AVIC_BASE + 0x38) /* norm int priority lvl1 */ +#define AVIC_NIPRIORITY0 (AVIC_BASE + 0x3C) /* norm int priority lvl0 */ +#define AVIC_NIVECSR (AVIC_BASE + 0x40) /* norm int vector/status */ +#define AVIC_FIVECSR (AVIC_BASE + 0x44) /* fast int vector/status */ +#define AVIC_INTSRCH (AVIC_BASE + 0x48) /* int source reg high */ +#define AVIC_INTSRCL (AVIC_BASE + 0x4C) /* int source reg low */ +#define AVIC_INTFRCH (AVIC_BASE + 0x50) /* int force reg high */ +#define AVIC_INTFRCL (AVIC_BASE + 0x54) /* int force reg low */ +#define AVIC_NIPNDH (AVIC_BASE + 0x58) /* norm int pending high */ +#define AVIC_NIPNDL (AVIC_BASE + 0x5C) /* norm int pending low */ +#define AVIC_FIPNDH (AVIC_BASE + 0x60) /* fast int pending high */ +#define AVIC_FIPNDL (AVIC_BASE + 0x64) /* fast int pending low */ + +#define SYSTEM_PREV_REG IO_ADDRESS(IIM_BASE_ADDR + 0x20) +#define SYSTEM_SREV_REG IO_ADDRESS(IIM_BASE_ADDR + 0x24) +#define IIM_PROD_REV_SH 3 +#define IIM_PROD_REV_LEN 5 + +#endif /* __ASM_ARCH_MXC_H__ */ diff --git a/include/asm-arm/arch-mxc/system.h b/include/asm-arm/arch-mxc/system.h new file mode 100644 index 000000000000..109956b41aca --- /dev/null +++ b/include/asm-arm/arch-mxc/system.h @@ -0,0 +1,50 @@ +/* + * Copyright (C) 1999 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __ASM_ARCH_MXC_SYSTEM_H__ +#define __ASM_ARCH_MXC_SYSTEM_H__ + +/*! + * @file system.h + * @brief This file contains idle and reset functions. + * + * @ingroup System + */ + +/*! + * This function puts the CPU into idle mode. It is called by default_idle() + * in process.c file. + */ +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +/* + * This function resets the system. It is called by machine_restart(). + * + * @param mode indicates different kinds of resets + */ +static inline void arch_reset(char mode) +{ + cpu_reset(0); +} + +#endif /* __ASM_ARCH_MXC_SYSTEM_H__ */ diff --git a/include/asm-arm/arch-mxc/timex.h b/include/asm-arm/arch-mxc/timex.h new file mode 100644 index 000000000000..59019fa58f82 --- /dev/null +++ b/include/asm-arm/arch-mxc/timex.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 1999 ARM Limited + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __ASM_ARCH_MXC_TIMEX_H__ +#define __ASM_ARCH_MXC_TIMEX_H__ + +#include <asm/hardware.h> /* for CLOCK_TICK_RATE */ + +#endif /* __ASM_ARCH_MXC_TIMEX_H__ */ diff --git a/include/asm-arm/arch-mxc/uncompress.h b/include/asm-arm/arch-mxc/uncompress.h new file mode 100644 index 000000000000..ec5787d0e78c --- /dev/null +++ b/include/asm-arm/arch-mxc/uncompress.h @@ -0,0 +1,79 @@ +/* + * include/asm-arm/arch-mxc/uncompress.h + * + * + * + * Copyright (C) 1999 ARM Limited + * Copyright (C) Shane Nay (shane@minirl.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_MXC_UNCOMPRESS_H__ +#define __ASM_ARCH_MXC_UNCOMPRESS_H__ + +#define __MXC_BOOT_UNCOMPRESS + +#include <asm/hardware.h> +#include <asm/processor.h> + +#define UART(x) (*(volatile unsigned long *)(serial_port + (x))) + +#define USR2 0x98 +#define USR2_TXFE (1<<14) +#define TXR 0x40 +#define UCR1 0x80 +#define UCR1_UARTEN 1 + +/* + * The following code assumes the serial port has already been + * initialized by the bootloader. We search for the first enabled + * port in the most probable order. If you didn't setup a port in + * your bootloader then nothing will appear (which might be desired). + * + * This does not append a newline + */ + +static void putc(int ch) +{ + static unsigned long serial_port = 0; + + if (unlikely(serial_port == 0)) { + do { + serial_port = UART1_BASE_ADDR; + if (UART(UCR1) & UCR1_UARTEN) + break; + serial_port = UART2_BASE_ADDR; + if (UART(UCR1) & UCR1_UARTEN) + break; + return; + } while (0); + } + + while (!(UART(USR2) & USR2_TXFE)) + cpu_relax(); + + UART(TXR) = ch; +} + +#define flush() do { } while (0) + +/* + * nothing to do + */ +#define arch_decomp_setup() + +#define arch_decomp_wdog() + +#endif /* __ASM_ARCH_MXC_UNCOMPRESS_H__ */ diff --git a/include/asm-arm/arch-mxc/vmalloc.h b/include/asm-arm/arch-mxc/vmalloc.h new file mode 100644 index 000000000000..83a73da895eb --- /dev/null +++ b/include/asm-arm/arch-mxc/vmalloc.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2000 Russell King. + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __ASM_ARCH_MXC_VMALLOC_H__ +#define __ASM_ARCH_MXC_VMALLOC_H__ + +/*! + * @file vmalloc.h + * + * @brief This file contains platform specific macros for vmalloc. + * + * @ingroup System + */ + +/*! + * vmalloc ending address + */ +#define VMALLOC_END 0xF4000000 + +#endif /* __ASM_ARCH_MXC_VMALLOC_H__ */ diff --git a/include/asm-arm/arch-ns9xxx/regs-bbu.h b/include/asm-arm/arch-ns9xxx/regs-bbu.h index e26269546240..7ee194dc6354 100644 --- a/include/asm-arm/arch-ns9xxx/regs-bbu.h +++ b/include/asm-arm/arch-ns9xxx/regs-bbu.h @@ -15,7 +15,31 @@ /* BBus Utility */ -/* GPIO Configuration Register */ -#define BBU_GC(x) __REG2(0x9060000c, (x)) +/* GPIO Configuration Registers block 1 */ +/* NOTE: the HRM starts counting at 1 for the GPIO registers, here the start is + * at 0 for each block. That is, BBU_GCONFb1(0) is GPIO Configuration Register + * #1, BBU_GCONFb2(0) is GPIO Configuration Register #8. */ +#define BBU_GCONFb1(x) __REG2(0x90600010, (x)) +#define BBU_GCONFb2(x) __REG2(0x90600100, (x)) + +#define BBU_GCONFx_DIR(m) __REGBIT(3 + (((m) & 7) << 2)) +#define BBU_GCONFx_DIR_INPUT(m) __REGVAL(BBU_GCONFx_DIR(m), 0) +#define BBU_GCONFx_DIR_OUTPUT(m) __REGVAL(BBU_GCONFx_DIR(m), 1) +#define BBU_GCONFx_INV(m) __REGBIT(2 + (((m) & 7) << 2)) +#define BBU_GCONFx_INV_NO(m) __REGVAL(BBU_GCONFx_INV(m), 0) +#define BBU_GCONFx_INV_YES(m) __REGVAL(BBU_GCONFx_INV(m), 1) +#define BBU_GCONFx_FUNC(m) __REGBITS(1 + (((m) & 7) << 2), ((m) & 7) << 2) +#define BBU_GCONFx_FUNC_0(m) __REGVAL(BBU_GCONFx_FUNC(m), 0) +#define BBU_GCONFx_FUNC_1(m) __REGVAL(BBU_GCONFx_FUNC(m), 1) +#define BBU_GCONFx_FUNC_2(m) __REGVAL(BBU_GCONFx_FUNC(m), 2) +#define BBU_GCONFx_FUNC_3(m) __REGVAL(BBU_GCONFx_FUNC(m), 3) + +#define BBU_GCTRL1 __REG(0x90600030) +#define BBU_GCTRL2 __REG(0x90600034) +#define BBU_GCTRL3 __REG(0x90600120) + +#define BBU_GSTAT1 __REG(0x90600040) +#define BBU_GSTAT2 __REG(0x90600044) +#define BBU_GSTAT3 __REG(0x90600130) #endif /* ifndef __ASM_ARCH_REGSBBU_H */ diff --git a/include/asm-arm/arch-ns9xxx/regs-mem.h b/include/asm-arm/arch-ns9xxx/regs-mem.h index 8ed8448767b9..fb455a0ed845 100644 --- a/include/asm-arm/arch-ns9xxx/regs-mem.h +++ b/include/asm-arm/arch-ns9xxx/regs-mem.h @@ -79,9 +79,9 @@ #define MEM_SMC(x) __REG2(0xa0700200, (x) << 3) /* Static Memory Configuration Register x: Write protect */ -#define MEM_SMC_WSMC __REGBIT(20) -#define MEM_SMC_WSMC_OFF __REGVAL(MEM_SMC_WSMC, 0) -#define MEM_SMC_WSMC_ON __REGVAL(MEM_SMC_WSMC, 1) +#define MEM_SMC_PSMC __REGBIT(20) +#define MEM_SMC_PSMC_OFF __REGVAL(MEM_SMC_PSMC, 0) +#define MEM_SMC_PSMC_ON __REGVAL(MEM_SMC_PSMC, 1) /* Static Memory Configuration Register x: Buffer enable */ #define MEM_SMC_BSMC __REGBIT(19) diff --git a/include/asm-arm/arch-ns9xxx/regs-sys.h b/include/asm-arm/arch-ns9xxx/regs-sys.h index a42546aeb92a..749262f86204 100644 --- a/include/asm-arm/arch-ns9xxx/regs-sys.h +++ b/include/asm-arm/arch-ns9xxx/regs-sys.h @@ -64,7 +64,7 @@ /* Timer x Control register: Timer enable */ #define SYS_TCx_TEN __REGBIT(15) -#define SYS_TCx_TEN_DIS __REGVAL(SYS_TCx_TEN, 1) +#define SYS_TCx_TEN_DIS __REGVAL(SYS_TCx_TEN, 0) #define SYS_TCx_TEN_EN __REGVAL(SYS_TCx_TEN, 1) /* Timer x Control register: CPU debug mode */ diff --git a/include/asm-arm/arch-pxa/dma.h b/include/asm-arm/arch-pxa/dma.h index bed042d71d68..3280ee2ddfa5 100644 --- a/include/asm-arm/arch-pxa/dma.h +++ b/include/asm-arm/arch-pxa/dma.h @@ -30,30 +30,12 @@ typedef enum { DMA_PRIO_LOW = 2 } pxa_dma_prio; -#if defined(CONFIG_PXA27x) - -#define PXA_DMA_CHANNELS 32 - -#define pxa_for_each_dma_prio(ch, prio) \ -for ( \ - ch = prio * 4; \ - ch != (4 << prio) + 16; \ - ch = (ch + 1 == (4 << prio)) ? (prio * 4 + 16) : (ch + 1) \ -) - -#elif defined(CONFIG_PXA25x) - -#define PXA_DMA_CHANNELS 16 - -#define pxa_for_each_dma_prio(ch, prio) \ - for (ch = prio * 4; ch != (4 << prio); ch++) - -#endif - /* * DMA registration */ +int __init pxa_init_dma(int num_ch); + int pxa_request_dma (char *name, pxa_dma_prio prio, void (*irq_handler)(int, void *), diff --git a/include/asm-arm/arch-pxa/entry-macro.S b/include/asm-arm/arch-pxa/entry-macro.S index 1d5fbb9b379a..b7e730851461 100644 --- a/include/asm-arm/arch-pxa/entry-macro.S +++ b/include/asm-arm/arch-pxa/entry-macro.S @@ -20,20 +20,38 @@ .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp -#ifdef CONFIG_PXA27x - mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP - mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR -#else + mrc p15, 0, \tmp, c0, c0, 0 @ CPUID + mov \tmp, \tmp, lsr #13 + and \tmp, \tmp, #0x7 @ Core G + cmp \tmp, #1 + bhi 1004f + mov \base, #io_p2v(0x40000000) @ IIR Ctl = 0x40d00000 add \base, \base, #0x00d00000 ldr \irqstat, [\base, #0] @ ICIP ldr \irqnr, [\base, #4] @ ICMR -#endif + b 1002f + +1004: + mrc p6, 0, \irqstat, c6, c0, 0 @ ICIP2 + mrc p6, 0, \irqnr, c7, c0, 0 @ ICMR2 + ands \irqstat, \irqstat, \irqnr + beq 1003f + rsb \irqstat, \irqnr, #0 + and \irqstat, \irqstat, \irqnr + clz \irqnr, \irqstat + rsb \irqnr, \irqnr, #31 + add \irqnr, \irqnr, #32 + b 1001f +1003: + mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP + mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR +1002: ands \irqnr, \irqstat, \irqnr beq 1001f rsb \irqstat, \irqnr, #0 and \irqstat, \irqstat, \irqnr clz \irqnr, \irqstat - rsb \irqnr, \irqnr, #(31 - PXA_IRQ_SKIP) + rsb \irqnr, \irqnr, #31 1001: .endm diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h index e2bdc2fbede1..386121746417 100644 --- a/include/asm-arm/arch-pxa/hardware.h +++ b/include/asm-arm/arch-pxa/hardware.h @@ -62,6 +62,42 @@ #ifndef __ASSEMBLY__ +#define __cpu_is_pxa21x(id) \ + ({ \ + unsigned int _id = (id) >> 4 & 0xf3f; \ + _id == 0x212; \ + }) + +#define __cpu_is_pxa25x(id) \ + ({ \ + unsigned int _id = (id) >> 4 & 0xfff; \ + _id == 0x2d0 || _id == 0x290; \ + }) + +#define __cpu_is_pxa27x(id) \ + ({ \ + unsigned int _id = (id) >> 4 & 0xfff; \ + _id == 0x411; \ + }) + +#define cpu_is_pxa21x() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa21x(id); \ + }) + +#define cpu_is_pxa25x() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa25x(id); \ + }) + +#define cpu_is_pxa27x() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa27x(id); \ + }) + /* * Handy routine to set GPIO alternate functions */ diff --git a/include/asm-arm/arch-pxa/irqs.h b/include/asm-arm/arch-pxa/irqs.h index 67ed43674c63..a07fe0f928cd 100644 --- a/include/asm-arm/arch-pxa/irqs.h +++ b/include/asm-arm/arch-pxa/irqs.h @@ -11,14 +11,9 @@ */ -#ifdef CONFIG_PXA27x -#define PXA_IRQ_SKIP 0 -#else -#define PXA_IRQ_SKIP 7 -#endif - -#define PXA_IRQ(x) ((x) - PXA_IRQ_SKIP) +#define PXA_IRQ(x) (x) +#ifdef CONFIG_PXA27x #define IRQ_SSP3 PXA_IRQ(0) /* SSP3 service request */ #define IRQ_MSL PXA_IRQ(1) /* MSL Interface interrupt */ #define IRQ_USBH2 PXA_IRQ(2) /* USB Host interrupt 1 (OHCI) */ @@ -26,6 +21,8 @@ #define IRQ_KEYPAD PXA_IRQ(4) /* Key pad controller */ #define IRQ_MEMSTK PXA_IRQ(5) /* Memory Stick interrupt */ #define IRQ_PWRI2C PXA_IRQ(6) /* Power I2C interrupt */ +#endif + #define IRQ_HWUART PXA_IRQ(7) /* HWUART Transmit/Receive/Error (PXA26x) */ #define IRQ_OST_4_11 PXA_IRQ(7) /* OS timer 4-11 matches (PXA27x) */ #define IRQ_GPIO0 PXA_IRQ(8) /* GPIO0 Edge Detect */ @@ -58,18 +55,15 @@ #ifdef CONFIG_PXA27x #define IRQ_TPM PXA_IRQ(32) /* TPM interrupt */ #define IRQ_CAMERA PXA_IRQ(33) /* Camera Interface */ - -#define PXA_INTERNAL_IRQS 34 -#else -#define PXA_INTERNAL_IRQS 32 #endif -#define GPIO_2_x_TO_IRQ(x) \ - PXA_IRQ((x) - 2 + PXA_INTERNAL_IRQS) +#define PXA_GPIO_IRQ_BASE (64) +#define PXA_GPIO_IRQ_NUM (128) + +#define GPIO_2_x_TO_IRQ(x) (PXA_GPIO_IRQ_BASE + (x)) #define IRQ_GPIO(x) (((x) < 2) ? (IRQ_GPIO0 + (x)) : GPIO_2_x_TO_IRQ(x)) -#define IRQ_TO_GPIO_2_x(i) \ - ((i) - IRQ_GPIO(2) + 2) +#define IRQ_TO_GPIO_2_x(i) ((i) - PXA_GPIO_IRQ_BASE) #define IRQ_TO_GPIO(i) (((i) < IRQ_GPIO(2)) ? ((i) - IRQ_GPIO0) : IRQ_TO_GPIO_2_x(i)) #if defined(CONFIG_PXA25x) @@ -84,7 +78,7 @@ * these. If you need more, increase IRQ_BOARD_END, but keep it * within sensible limits. */ -#define IRQ_BOARD_START (IRQ_GPIO(PXA_LAST_GPIO) + 1) +#define IRQ_BOARD_START (PXA_GPIO_IRQ_BASE + PXA_GPIO_IRQ_NUM) #define IRQ_BOARD_END (IRQ_BOARD_START + 16) #define IRQ_SA1111_START (IRQ_BOARD_END) diff --git a/include/asm-arm/arch-pxa/pm.h b/include/asm-arm/arch-pxa/pm.h index 7a8a1cdf430d..6903db7fae15 100644 --- a/include/asm-arm/arch-pxa/pm.h +++ b/include/asm-arm/arch-pxa/pm.h @@ -7,6 +7,19 @@ * */ -extern int pxa_pm_prepare(suspend_state_t state); +struct pxa_cpu_pm_fns { + int save_size; + void (*save)(unsigned long *); + void (*restore)(unsigned long *); + int (*valid)(suspend_state_t state); + void (*enter)(suspend_state_t state); +}; + +extern struct pxa_cpu_pm_fns *pxa_cpu_pm_fns; + +/* sleep.S */ +extern void pxa25x_cpu_suspend(unsigned int); +extern void pxa27x_cpu_suspend(unsigned int); +extern void pxa_cpu_resume(void); + extern int pxa_pm_enter(suspend_state_t state); -extern int pxa_pm_finish(suspend_state_t state); diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h index dbcc9298b0c8..e68b593d69da 100644 --- a/include/asm-arm/arch-pxa/pxa-regs.h +++ b/include/asm-arm/arch-pxa/pxa-regs.h @@ -1765,29 +1765,9 @@ #define SSACD_P(x) (*(((x) == 1) ? &SSACD_P1 : ((x) == 2) ? &SSACD_P2 : ((x) == 3) ? &SSACD_P3 : NULL)) /* - * MultiMediaCard (MMC) controller + * MultiMediaCard (MMC) controller - see drivers/mmc/host/pxamci.h */ -#define MMC_STRPCL __REG(0x41100000) /* Control to start and stop MMC clock */ -#define MMC_STAT __REG(0x41100004) /* MMC Status Register (read only) */ -#define MMC_CLKRT __REG(0x41100008) /* MMC clock rate */ -#define MMC_SPI __REG(0x4110000c) /* SPI mode control bits */ -#define MMC_CMDAT __REG(0x41100010) /* Command/response/data sequence control */ -#define MMC_RESTO __REG(0x41100014) /* Expected response time out */ -#define MMC_RDTO __REG(0x41100018) /* Expected data read time out */ -#define MMC_BLKLEN __REG(0x4110001c) /* Block length of data transaction */ -#define MMC_NOB __REG(0x41100020) /* Number of blocks, for block mode */ -#define MMC_PRTBUF __REG(0x41100024) /* Partial MMC_TXFIFO FIFO written */ -#define MMC_I_MASK __REG(0x41100028) /* Interrupt Mask */ -#define MMC_I_REG __REG(0x4110002c) /* Interrupt Register (read only) */ -#define MMC_CMD __REG(0x41100030) /* Index of current command */ -#define MMC_ARGH __REG(0x41100034) /* MSW part of the current command argument */ -#define MMC_ARGL __REG(0x41100038) /* LSW part of the current command argument */ -#define MMC_RES __REG(0x4110003c) /* Response FIFO (read only) */ -#define MMC_RXFIFO __REG(0x41100040) /* Receive FIFO (read only) */ -#define MMC_TXFIFO __REG(0x41100044) /* Transmit FIFO (write only) */ - - /* * Core Clock */ diff --git a/include/asm-arm/arch-pxa/udc.h b/include/asm-arm/arch-pxa/udc.h index 8bc6f9c3e3ea..27aa3a91012f 100644 --- a/include/asm-arm/arch-pxa/udc.h +++ b/include/asm-arm/arch-pxa/udc.h @@ -1,41 +1,8 @@ /* * linux/include/asm-arm/arch-pxa/udc.h * - * This supports machine-specific differences in how the PXA2xx - * USB Device Controller (UDC) is wired. - * */ #include <asm/mach/udc_pxa2xx.h> extern void pxa_set_udc_info(struct pxa2xx_udc_mach_info *info); -static inline int udc_gpio_to_irq(unsigned gpio) -{ - return IRQ_GPIO(gpio & GPIO_MD_MASK_NR); -} - -static inline void udc_gpio_init_vbus(unsigned gpio) -{ - pxa_gpio_mode((gpio & GPIO_MD_MASK_NR) | GPIO_IN); -} - -static inline void udc_gpio_init_pullup(unsigned gpio) -{ - pxa_gpio_mode((gpio & GPIO_MD_MASK_NR) | GPIO_OUT | GPIO_DFLT_LOW); -} - -static inline int udc_gpio_get(unsigned gpio) -{ - return (GPLR(gpio) & GPIO_bit(gpio)) != 0; -} - -static inline void udc_gpio_set(unsigned gpio, int is_on) -{ - int mask = GPIO_bit(gpio); - - if (is_on) - GPSR(gpio) = mask; - else - GPCR(gpio) = mask; -} - diff --git a/include/asm-arm/arch-s3c2400/map.h b/include/asm-arm/arch-s3c2400/map.h new file mode 100644 index 000000000000..1184d907b31e --- /dev/null +++ b/include/asm-arm/arch-s3c2400/map.h @@ -0,0 +1,66 @@ +/* linux/include/asm-arm/arch-s3c2400/map.h + * + * Copyright 2003,2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * Copyright 2003, Lucas Correia Villa Real + * + * S3C2400 - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C2400_PA_MEMCTRL (0x14000000) +#define S3C2400_PA_USBHOST (0x14200000) +#define S3C2400_PA_IRQ (0x14400000) +#define S3C2400_PA_DMA (0x14600000) +#define S3C2400_PA_CLKPWR (0x14800000) +#define S3C2400_PA_LCD (0x14A00000) +#define S3C2400_PA_UART (0x15000000) +#define S3C2400_PA_TIMER (0x15100000) +#define S3C2400_PA_USBDEV (0x15200140) +#define S3C2400_PA_WATCHDOG (0x15300000) +#define S3C2400_PA_IIC (0x15400000) +#define S3C2400_PA_IIS (0x15508000) +#define S3C2400_PA_GPIO (0x15600000) +#define S3C2400_PA_RTC (0x15700040) +#define S3C2400_PA_ADC (0x15800000) +#define S3C2400_PA_SPI (0x15900000) + +#define S3C2400_PA_MMC (0x15A00000) +#define S3C2400_SZ_MMC SZ_1M + +/* physical addresses of all the chip-select areas */ + +#define S3C2400_CS0 (0x00000000) +#define S3C2400_CS1 (0x02000000) +#define S3C2400_CS2 (0x04000000) +#define S3C2400_CS3 (0x06000000) +#define S3C2400_CS4 (0x08000000) +#define S3C2400_CS5 (0x0A000000) +#define S3C2400_CS6 (0x0C000000) +#define S3C2400_CS7 (0x0E000000) + +#define S3C2400_SDRAM_PA (S3C2400_CS6) + +/* Use a single interface for common resources between S3C24XX cpus */ + +#define S3C24XX_PA_IRQ S3C2400_PA_IRQ +#define S3C24XX_PA_MEMCTRL S3C2400_PA_MEMCTRL +#define S3C24XX_PA_USBHOST S3C2400_PA_USBHOST +#define S3C24XX_PA_DMA S3C2400_PA_DMA +#define S3C24XX_PA_CLKPWR S3C2400_PA_CLKPWR +#define S3C24XX_PA_LCD S3C2400_PA_LCD +#define S3C24XX_PA_UART S3C2400_PA_UART +#define S3C24XX_PA_TIMER S3C2400_PA_TIMER +#define S3C24XX_PA_USBDEV S3C2400_PA_USBDEV +#define S3C24XX_PA_WATCHDOG S3C2400_PA_WATCHDOG +#define S3C24XX_PA_IIC S3C2400_PA_IIC +#define S3C24XX_PA_IIS S3C2400_PA_IIS +#define S3C24XX_PA_GPIO S3C2400_PA_GPIO +#define S3C24XX_PA_RTC S3C2400_PA_RTC +#define S3C24XX_PA_ADC S3C2400_PA_ADC +#define S3C24XX_PA_SPI S3C2400_PA_SPI diff --git a/include/asm-arm/arch-s3c2400/memory.h b/include/asm-arm/arch-s3c2400/memory.h new file mode 100644 index 000000000000..fb0381dde704 --- /dev/null +++ b/include/asm-arm/arch-s3c2400/memory.h @@ -0,0 +1,23 @@ +/* linux/include/asm-arm/arch-s3c2400/memory.h + * from linux/include/asm-arm/arch-rpc/memory.h + * + * Copyright 2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * Copyright (C) 1996,1997,1998 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#define PHYS_OFFSET UL(0x0C000000) + +#define __virt_to_bus(x) __virt_to_phys(x) +#define __bus_to_virt(x) __phys_to_virt(x) + +#endif diff --git a/include/asm-arm/arch-s3c2410/debug-macro.S b/include/asm-arm/arch-s3c2410/debug-macro.S index 93064860e0e5..9c8cd9abb82b 100644 --- a/include/asm-arm/arch-s3c2410/debug-macro.S +++ b/include/asm-arm/arch-s3c2410/debug-macro.S @@ -13,32 +13,23 @@ */ #include <asm/arch/map.h> -#include <asm/arch/regs-serial.h> #include <asm/arch/regs-gpio.h> +#include <asm/plat-s3c/regs-serial.h> #define S3C2410_UART1_OFF (0x4000) #define SHIFT_2440TXF (14-9) - .macro addruart, rx + .macro addruart, rx mrc p15, 0, \rx, c1, c0 tst \rx, #1 ldreq \rx, = S3C24XX_PA_UART ldrne \rx, = S3C24XX_VA_UART -#if CONFIG_DEBUG_S3C2410_UART != 0 - add \rx, \rx, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C2410_UART) +#if CONFIG_DEBUG_S3C_UART != 0 + add \rx, \rx, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART) #endif - .endm + .endm - .macro senduart,rd,rx - strb \rd, [\rx, # S3C2410_UTXH ] - .endm - - .macro busyuart, rd, rx - ldr \rd, [ \rx, # S3C2410_UFCON ] - tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? - beq 1001f @ - @ FIFO enabled... -1003: + .macro fifo_full_s3c24xx rd, rx @ check for arm920 vs arm926. currently assume all arm926 @ devices have an 64 byte FIFO identical to the s3c2440 mrc p15, 0, \rd, c0, c0 @@ -57,25 +48,22 @@ ldr \rd, [ \rx, # S3C2410_UFSTAT ] moveq \rd, \rd, lsr #SHIFT_2440TXF tst \rd, #S3C2410_UFSTAT_TXFULL - bne 1003b - b 1002f - -1001: - @ busy waiting for non fifo - ldr \rd, [ \rx, # S3C2410_UTRSTAT ] - tst \rd, #S3C2410_UTRSTAT_TXFE - beq 1001b + .endm -1002: @ exit busyuart - .endm + .macro fifo_full_s3c2410 rd, rx + ldr \rd, [ \rx, # S3C2410_UFSTAT ] + tst \rd, #S3C2410_UFSTAT_TXFULL + .endm - .macro waituart,rd,rx +/* fifo level reading */ - ldr \rd, [ \rx, # S3C2410_UFCON ] - tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? - beq 1001f @ - @ FIFO enabled... -1003: + .macro fifo_level_s3c24xx rd, rx + @ check for arm920 vs arm926. currently assume all arm926 + @ devices have an 64 byte FIFO identical to the s3c2440 + mrc p15, 0, \rd, c0, c0 + and \rd, \rd, #0xff0 + teq \rd, #0x260 + beq 10000f mrc p15, 0, \rd, c1, c0 tst \rd, #1 addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART) @@ -85,18 +73,32 @@ and \rd, \rd, #0x00ff0000 teq \rd, #0x00440000 @ is it 2440? +10000: ldr \rd, [ \rx, # S3C2410_UFSTAT ] andne \rd, \rd, #S3C2410_UFSTAT_TXMASK andeq \rd, \rd, #S3C2440_UFSTAT_TXMASK - teq \rd, #0 - bne 1003b - b 1002f + .endm + + .macro fifo_level_s3c2410 rd, rx + ldr \rd, [ \rx, # S3C2410_UFSTAT ] + and \rd, \rd, #S3C2410_UFSTAT_TXMASK + .endm + +/* Select the correct implementation depending on the configuration. The + * S3C2440 will get selected by default, as these are the most widely + * used variants of these +*/ + +#if defined(CONFIG_CPU_LLSERIAL_S3C2410_ONLY) +#define fifo_full fifo_full_s3c2410 +#define fifo_level fifo_level_s3c2410 +#warning 2410only +#elif !defined(CONFIG_CPU_LLSERIAL_S3C2440_ONLY) +#define fifo_full fifo_full_s3c24xx +#define fifo_level fifo_level_s3c24xx +#warning generic +#endif -1001: - @ idle waiting for non fifo - ldr \rd, [ \rx, # S3C2410_UTRSTAT ] - tst \rd, #S3C2410_UTRSTAT_TXFE - beq 1001b +/* include the reset of the code which will do the work */ -1002: @ exit busyuart - .endm +#include <asm/plat-s3c/debug-macro.S> diff --git a/include/asm-arm/arch-s3c2410/map.h b/include/asm-arm/arch-s3c2410/map.h index 19e77f038042..b33ed3b05ef5 100644 --- a/include/asm-arm/arch-s3c2410/map.h +++ b/include/asm-arm/arch-s3c2410/map.h @@ -13,58 +13,36 @@ #ifndef __ASM_ARCH_MAP_H #define __ASM_ARCH_MAP_H -/* we have a bit of a tight squeeze to fit all our registers from - * 0xF00000000 upwards, since we use all of the nGCS space in some - * capacity, and also need to fit the S3C2410 registers in as well... - * - * we try to ensure stuff like the IRQ registers are available for - * an single MOVS instruction (ie, only 8 bits of set data) - * - * Note, we are trying to remove some of these from the implementation - * as they are only useful to certain drivers... - */ - -#ifndef __ASSEMBLY__ -#define S3C2410_ADDR(x) ((void __iomem __force *)0xF0000000 + (x)) -#else -#define S3C2410_ADDR(x) (0xF0000000 + (x)) -#endif +#include <asm/plat-s3c/map.h> -#define S3C2400_ADDR(x) S3C2410_ADDR(x) +#define S3C2410_ADDR(x) S3C_ADDR(x) /* interrupt controller is the first thing we put in, to make * the assembly code for the irq detection easier */ -#define S3C24XX_VA_IRQ S3C2410_ADDR(0x00000000) -#define S3C2400_PA_IRQ (0x14400000) +#define S3C24XX_VA_IRQ S3C_VA_IRQ #define S3C2410_PA_IRQ (0x4A000000) #define S3C24XX_SZ_IRQ SZ_1M /* memory controller registers */ -#define S3C24XX_VA_MEMCTRL S3C2410_ADDR(0x00100000) -#define S3C2400_PA_MEMCTRL (0x14000000) +#define S3C24XX_VA_MEMCTRL S3C_VA_MEM #define S3C2410_PA_MEMCTRL (0x48000000) #define S3C24XX_SZ_MEMCTRL SZ_1M /* USB host controller */ -#define S3C2400_PA_USBHOST (0x14200000) #define S3C2410_PA_USBHOST (0x49000000) #define S3C24XX_SZ_USBHOST SZ_1M /* DMA controller */ -#define S3C2400_PA_DMA (0x14600000) #define S3C2410_PA_DMA (0x4B000000) #define S3C24XX_SZ_DMA SZ_1M /* Clock and Power management */ -#define S3C24XX_VA_CLKPWR S3C2410_ADDR(0x00200000) -#define S3C2400_PA_CLKPWR (0x14800000) +#define S3C24XX_VA_CLKPWR S3C_VA_SYS #define S3C2410_PA_CLKPWR (0x4C000000) #define S3C24XX_SZ_CLKPWR SZ_1M /* LCD controller */ -#define S3C24XX_VA_LCD S3C2410_ADDR(0x00300000) -#define S3C2400_PA_LCD (0x14A00000) #define S3C2410_PA_LCD (0x4D000000) #define S3C24XX_SZ_LCD SZ_1M @@ -72,41 +50,30 @@ #define S3C2410_PA_NAND (0x4E000000) #define S3C24XX_SZ_NAND SZ_1M -/* MMC controller - available on the S3C2400 */ -#define S3C2400_PA_MMC (0x15A00000) -#define S3C2400_SZ_MMC SZ_1M - /* UARTs */ -#define S3C24XX_VA_UART S3C2410_ADDR(0x00400000) -#define S3C2400_PA_UART (0x15000000) +#define S3C24XX_VA_UART S3C_VA_UART #define S3C2410_PA_UART (0x50000000) #define S3C24XX_SZ_UART SZ_1M /* Timers */ -#define S3C24XX_VA_TIMER S3C2410_ADDR(0x00500000) -#define S3C2400_PA_TIMER (0x15100000) +#define S3C24XX_VA_TIMER S3C_VA_TIMER #define S3C2410_PA_TIMER (0x51000000) #define S3C24XX_SZ_TIMER SZ_1M /* USB Device port */ -#define S3C24XX_VA_USBDEV S3C2410_ADDR(0x00600000) -#define S3C2400_PA_USBDEV (0x15200140) #define S3C2410_PA_USBDEV (0x52000000) #define S3C24XX_SZ_USBDEV SZ_1M /* Watchdog */ -#define S3C24XX_VA_WATCHDOG S3C2410_ADDR(0x00700000) -#define S3C2400_PA_WATCHDOG (0x15300000) +#define S3C24XX_VA_WATCHDOG S3C_VA_WATCHDOG #define S3C2410_PA_WATCHDOG (0x53000000) #define S3C24XX_SZ_WATCHDOG SZ_1M /* IIC hardware controller */ -#define S3C2400_PA_IIC (0x15400000) #define S3C2410_PA_IIC (0x54000000) #define S3C24XX_SZ_IIC SZ_1M /* IIS controller */ -#define S3C2400_PA_IIS (0x15508000) #define S3C2410_PA_IIS (0x55000000) #define S3C24XX_SZ_IIS SZ_1M @@ -116,27 +83,23 @@ * it is the same distance apart from the UART in the * phsyical address space, as the initial mapping for the IO * is done as a 1:1 maping. This puts it (currently) at - * 0xF6800000, which is not in the way of any current mapping + * 0xFA800000, which is not in the way of any current mapping * by the base system. */ -#define S3C2400_PA_GPIO (0x15600000) #define S3C2410_PA_GPIO (0x56000000) #define S3C24XX_VA_GPIO ((S3C2410_PA_GPIO - S3C24XX_PA_UART) + S3C24XX_VA_UART) #define S3C24XX_SZ_GPIO SZ_1M /* RTC */ -#define S3C2400_PA_RTC (0x15700040) #define S3C2410_PA_RTC (0x57000000) #define S3C24XX_SZ_RTC SZ_1M /* ADC */ -#define S3C2400_PA_ADC (0x15800000) #define S3C2410_PA_ADC (0x58000000) #define S3C24XX_SZ_ADC SZ_1M /* SPI */ -#define S3C2400_PA_SPI (0x15900000) #define S3C2410_PA_SPI (0x59000000) #define S3C24XX_SZ_SPI SZ_1M @@ -177,37 +140,8 @@ #define S3C2410_SDRAM_PA (S3C2410_CS6) -#define S3C2400_CS0 (0x00000000) -#define S3C2400_CS1 (0x02000000) -#define S3C2400_CS2 (0x04000000) -#define S3C2400_CS3 (0x06000000) -#define S3C2400_CS4 (0x08000000) -#define S3C2400_CS5 (0x0A000000) -#define S3C2400_CS6 (0x0C000000) -#define S3C2400_CS7 (0x0E000000) - -#define S3C2400_SDRAM_PA (S3C2400_CS6) - /* Use a single interface for common resources between S3C24XX cpus */ -#ifdef CONFIG_CPU_S3C2400 -#define S3C24XX_PA_IRQ S3C2400_PA_IRQ -#define S3C24XX_PA_MEMCTRL S3C2400_PA_MEMCTRL -#define S3C24XX_PA_USBHOST S3C2400_PA_USBHOST -#define S3C24XX_PA_DMA S3C2400_PA_DMA -#define S3C24XX_PA_CLKPWR S3C2400_PA_CLKPWR -#define S3C24XX_PA_LCD S3C2400_PA_LCD -#define S3C24XX_PA_UART S3C2400_PA_UART -#define S3C24XX_PA_TIMER S3C2400_PA_TIMER -#define S3C24XX_PA_USBDEV S3C2400_PA_USBDEV -#define S3C24XX_PA_WATCHDOG S3C2400_PA_WATCHDOG -#define S3C24XX_PA_IIC S3C2400_PA_IIC -#define S3C24XX_PA_IIS S3C2400_PA_IIS -#define S3C24XX_PA_GPIO S3C2400_PA_GPIO -#define S3C24XX_PA_RTC S3C2400_PA_RTC -#define S3C24XX_PA_ADC S3C2400_PA_ADC -#define S3C24XX_PA_SPI S3C2400_PA_SPI -#else #define S3C24XX_PA_IRQ S3C2410_PA_IRQ #define S3C24XX_PA_MEMCTRL S3C2410_PA_MEMCTRL #define S3C24XX_PA_USBHOST S3C2410_PA_USBHOST @@ -224,7 +158,6 @@ #define S3C24XX_PA_RTC S3C2410_PA_RTC #define S3C24XX_PA_ADC S3C2410_PA_ADC #define S3C24XX_PA_SPI S3C2410_PA_SPI -#endif /* deal with the registers that move under the 2412/2413 */ diff --git a/include/asm-arm/arch-s3c2410/memory.h b/include/asm-arm/arch-s3c2410/memory.h index 4be6a74c4303..533e2436e707 100644 --- a/include/asm-arm/arch-s3c2410/memory.h +++ b/include/asm-arm/arch-s3c2410/memory.h @@ -11,20 +11,7 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H -/* - * DRAM starts at 0x30000000 for S3C2410/S3C2440 - * and at 0x0C000000 for S3C2400 - */ -#ifdef CONFIG_CPU_S3C2400 -#define PHYS_OFFSET UL(0x0C000000) -#else #define PHYS_OFFSET UL(0x30000000) -#endif - -/* - * These are exactly the same on the S3C2410 as the - * physical memory view. -*/ #define __virt_to_bus(x) __virt_to_phys(x) #define __bus_to_virt(x) __phys_to_virt(x) diff --git a/include/asm-arm/arch-s3c2410/regs-lcd.h b/include/asm-arm/arch-s3c2410/regs-lcd.h index b7faeb04c0ff..76fe5f693426 100644 --- a/include/asm-arm/arch-s3c2410/regs-lcd.h +++ b/include/asm-arm/arch-s3c2410/regs-lcd.h @@ -12,7 +12,7 @@ #ifndef ___ASM_ARCH_REGS_LCD_H #define ___ASM_ARCH_REGS_LCD_H "$Id: lcd.h,v 1.3 2003/06/26 13:25:06 ben Exp $" -#define S3C2410_LCDREG(x) ((x) + S3C24XX_VA_LCD) +#define S3C2410_LCDREG(x) (x) /* LCD control registers */ #define S3C2410_LCDCON1 S3C2410_LCDREG(0x00) diff --git a/include/asm-arm/arch-s3c2410/system.h b/include/asm-arm/arch-s3c2410/system.h index 1c74ef17da33..63891786dfa0 100644 --- a/include/asm-arm/arch-s3c2410/system.h +++ b/include/asm-arm/arch-s3c2410/system.h @@ -17,7 +17,7 @@ #include <asm/arch/idle.h> #include <asm/arch/reset.h> -#include <asm/arch/regs-watchdog.h> +#include <asm/plat-s3c/regs-watchdog.h> #include <asm/arch/regs-clock.h> void (*s3c24xx_idle)(void); diff --git a/include/asm-arm/arch-s3c2410/uncompress.h b/include/asm-arm/arch-s3c2410/uncompress.h index dcb2cef38f50..48a5731ee988 100644 --- a/include/asm-arm/arch-s3c2410/uncompress.h +++ b/include/asm-arm/arch-s3c2410/uncompress.h @@ -1,6 +1,7 @@ /* linux/include/asm-arm/arch-s3c2410/uncompress.h * - * Copyright (c) 2003 Simtec Electronics + * Copyright (c) 2003, 2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * * S3C2410 - uncompress code @@ -13,153 +14,39 @@ #ifndef __ASM_ARCH_UNCOMPRESS_H #define __ASM_ARCH_UNCOMPRESS_H -typedef unsigned int upf_t; /* cannot include linux/serial_core.h */ - -/* defines for UART registers */ -#include "asm/arch/regs-serial.h" -#include "asm/arch/regs-gpio.h" -#include "asm/arch/regs-watchdog.h" - +#include <asm/arch/regs-gpio.h> #include <asm/arch/map.h> /* working in physical space... */ #undef S3C2410_GPIOREG -#undef S3C2410_WDOGREG - #define S3C2410_GPIOREG(x) ((S3C24XX_PA_GPIO + (x))) -#define S3C2410_WDOGREG(x) ((S3C24XX_PA_WATCHDOG + (x))) -/* how many bytes we allow into the FIFO at a time in FIFO mode */ -#define FIFO_MAX (14) +#include <asm/plat-s3c/uncompress.h> -#define uart_base S3C24XX_PA_UART + (0x4000*CONFIG_S3C2410_LOWLEVEL_UART_PORT) - -static __inline__ void -uart_wr(unsigned int reg, unsigned int val) +static inline int is_arm926(void) { - volatile unsigned int *ptr; - - ptr = (volatile unsigned int *)(reg + uart_base); - *ptr = val; -} + unsigned int cpuid; -static __inline__ unsigned int -uart_rd(unsigned int reg) -{ - volatile unsigned int *ptr; + asm volatile ("mrc p15, 0, %0, c1, c0, 0" : "=r" (cpuid)); - ptr = (volatile unsigned int *)(reg + uart_base); - return *ptr; + return ((cpuid & 0xff0) == 0x260); } - -/* we can deal with the case the UARTs are being run - * in FIFO mode, so that we don't hold up our execution - * waiting for tx to happen... -*/ - -static void putc(int ch) +static void arch_detect_cpu(void) { - int cpuid = S3C2410_GSTATUS1_2410; + unsigned int cpuid; -#ifndef CONFIG_CPU_S3C2400 cpuid = *((volatile unsigned int *)S3C2410_GSTATUS1); cpuid &= S3C2410_GSTATUS1_IDMASK; -#endif - - if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) { - int level; - - while (1) { - level = uart_rd(S3C2410_UFSTAT); - - if (cpuid == S3C2410_GSTATUS1_2440 || - cpuid == S3C2410_GSTATUS1_2442) { - level &= S3C2440_UFSTAT_TXMASK; - level >>= S3C2440_UFSTAT_TXSHIFT; - } else { - level &= S3C2410_UFSTAT_TXMASK; - level >>= S3C2410_UFSTAT_TXSHIFT; - } - - if (level < FIFO_MAX) - break; - } + if (is_arm926() || cpuid == S3C2410_GSTATUS1_2440 || + cpuid == S3C2410_GSTATUS1_2442) { + fifo_mask = S3C2440_UFSTAT_TXMASK; + fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT; } else { - /* not using fifos */ - - while ((uart_rd(S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE) != S3C2410_UTRSTAT_TXE) - barrier(); + fifo_mask = S3C2410_UFSTAT_TXMASK; + fifo_max = 15 << S3C2410_UFSTAT_TXSHIFT; } - - /* write byte to transmission register */ - uart_wr(S3C2410_UTXH, ch); } -static inline void flush(void) -{ -} - -#define __raw_writel(d,ad) do { *((volatile unsigned int *)(ad)) = (d); } while(0) - -/* CONFIG_S3C2410_BOOT_WATCHDOG - * - * Simple boot-time watchdog setup, to reboot the system if there is - * any problem with the boot process -*/ - -#ifdef CONFIG_S3C2410_BOOT_WATCHDOG - -#define WDOG_COUNT (0xff00) - -static inline void arch_decomp_wdog(void) -{ - __raw_writel(WDOG_COUNT, S3C2410_WTCNT); -} - -static void arch_decomp_wdog_start(void) -{ - __raw_writel(WDOG_COUNT, S3C2410_WTDAT); - __raw_writel(WDOG_COUNT, S3C2410_WTCNT); - __raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x80), S3C2410_WTCON); -} - -#else -#define arch_decomp_wdog_start() -#define arch_decomp_wdog() -#endif - -#ifdef CONFIG_S3C2410_BOOT_ERROR_RESET - -static void arch_decomp_error(const char *x) -{ - putstr("\n\n"); - putstr(x); - putstr("\n\n -- System resetting\n"); - - __raw_writel(0x4000, S3C2410_WTDAT); - __raw_writel(0x4000, S3C2410_WTCNT); - __raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x40), S3C2410_WTCON); - - while(1); -} - -#define arch_error arch_decomp_error -#endif - -static void error(char *err); - -static void -arch_decomp_setup(void) -{ - /* we may need to setup the uart(s) here if we are not running - * on an BAST... the BAST will have left the uarts configured - * after calling linux. - */ - - arch_decomp_wdog_start(); -} - - #endif /* __ASM_ARCH_UNCOMPRESS_H */ diff --git a/include/asm-arm/arch-sa1100/jornada720.h b/include/asm-arm/arch-sa1100/jornada720.h new file mode 100644 index 000000000000..45d2bb59f9d0 --- /dev/null +++ b/include/asm-arm/arch-sa1100/jornada720.h @@ -0,0 +1,27 @@ +/* + * include/asm-arm/arch-sa1100/jornada720.h + * + * This file contains SSP/MCU communication definitions for HP Jornada 710/720/728 + * + * Copyright (C) 2007 Kristoffer Ericson <Kristoffer.Ericson@gmail.com> + * Copyright (C) 2000 John Ankcorn <jca@lcs.mit.edu> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + + /* HP Jornada 7xx microprocessor commands */ +#define GETBATTERYDATA 0xc0 +#define GETSCANKEYCODE 0x90 +#define GETTOUCHSAMPLES 0xa0 +#define GETCONTRAST 0xD0 +#define SETCONTRAST 0xD1 +#define GETBRIGHTNESS 0xD2 +#define SETBRIGHTNESS 0xD3 +#define CONTRASTOFF 0xD8 +#define BRIGHTNESSOFF 0xD9 +#define PWMOFF 0xDF +#define TXDUMMY 0x11 +#define ERRORCODE 0x00 diff --git a/include/asm-arm/elf.h b/include/asm-arm/elf.h index 3679a8a8922e..ec1c685562ce 100644 --- a/include/asm-arm/elf.h +++ b/include/asm-arm/elf.h @@ -1,6 +1,8 @@ #ifndef __ASMARM_ELF_H #define __ASMARM_ELF_H +#include <asm/hwcap.h> + #ifndef __ASSEMBLY__ /* * ELF register definitions.. @@ -39,31 +41,9 @@ typedef struct user_fp elf_fpregset_t; #endif #define ELF_ARCH EM_ARM -/* - * HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP - */ -#define HWCAP_SWP 1 -#define HWCAP_HALF 2 -#define HWCAP_THUMB 4 -#define HWCAP_26BIT 8 /* Play it safe */ -#define HWCAP_FAST_MULT 16 -#define HWCAP_FPA 32 -#define HWCAP_VFP 64 -#define HWCAP_EDSP 128 -#define HWCAP_JAVA 256 -#define HWCAP_IWMMXT 512 -#define HWCAP_CRUNCH 1024 - #ifdef __KERNEL__ #ifndef __ASSEMBLY__ /* - * This yields a mask that user programs can use to figure out what - * instruction set this cpu supports. - */ -#define ELF_HWCAP (elf_hwcap) -extern unsigned int elf_hwcap; - -/* * This yields a string that ld.so will use to load implementation * specific libraries for optimization. This is more specific in * intent than poking at uname or /proc/cpuinfo. diff --git a/include/asm-arm/fb.h b/include/asm-arm/fb.h new file mode 100644 index 000000000000..d92e99cd8c8a --- /dev/null +++ b/include/asm-arm/fb.h @@ -0,0 +1,19 @@ +#ifndef _ASM_FB_H_ +#define _ASM_FB_H_ + +#include <linux/fb.h> +#include <linux/fs.h> +#include <asm/page.h> + +static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, + unsigned long off) +{ + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); +} + +static inline int fb_is_primary_device(struct fb_info *info) +{ + return 0; +} + +#endif /* _ASM_FB_H_ */ diff --git a/include/asm-arm/floppy.h b/include/asm-arm/floppy.h index 54b5ae44ed94..d595c15166a4 100644 --- a/include/asm-arm/floppy.h +++ b/include/asm-arm/floppy.h @@ -30,15 +30,21 @@ #define fd_disable_irq() disable_irq(IRQ_FLOPPYDISK) #define fd_enable_irq() enable_irq(IRQ_FLOPPYDISK) +static inline int fd_dma_setup(void *data, unsigned int length, + unsigned int mode, unsigned long addr) +{ + set_dma_mode(DMA_FLOPPY, mode); + __set_dma_addr(DMA_FLOPPY, data); + set_dma_count(DMA_FLOPPY, length); + virtual_dma_port = addr; + enable_dma(DMA_FLOPPY); + return 0; +} +#define fd_dma_setup fd_dma_setup + #define fd_request_dma() request_dma(DMA_FLOPPY,"floppy") #define fd_free_dma() free_dma(DMA_FLOPPY) #define fd_disable_dma() disable_dma(DMA_FLOPPY) -#define fd_enable_dma() enable_dma(DMA_FLOPPY) -#define fd_clear_dma_ff() clear_dma_ff(DMA_FLOPPY) -#define fd_set_dma_mode(mode) set_dma_mode(DMA_FLOPPY, (mode)) -#define fd_set_dma_addr(addr) set_dma_addr(DMA_FLOPPY, virt_to_bus((addr))) -#define fd_set_dma_count(len) set_dma_count(DMA_FLOPPY, (len)) -#define fd_cacheflush(addr,sz) /* need to clean up dma.h */ #define DMA_FLOPPYDISK DMA_FLOPPY diff --git a/include/asm-arm/hardware/iop3xx-adma.h b/include/asm-arm/hardware/iop3xx-adma.h new file mode 100644 index 000000000000..10834b54f681 --- /dev/null +++ b/include/asm-arm/hardware/iop3xx-adma.h @@ -0,0 +1,892 @@ +/* + * Copyright © 2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + */ +#ifndef _ADMA_H +#define _ADMA_H +#include <linux/types.h> +#include <linux/io.h> +#include <asm/hardware.h> +#include <asm/hardware/iop_adma.h> + +/* Memory copy units */ +#define DMA_CCR(chan) (chan->mmr_base + 0x0) +#define DMA_CSR(chan) (chan->mmr_base + 0x4) +#define DMA_DAR(chan) (chan->mmr_base + 0xc) +#define DMA_NDAR(chan) (chan->mmr_base + 0x10) +#define DMA_PADR(chan) (chan->mmr_base + 0x14) +#define DMA_PUADR(chan) (chan->mmr_base + 0x18) +#define DMA_LADR(chan) (chan->mmr_base + 0x1c) +#define DMA_BCR(chan) (chan->mmr_base + 0x20) +#define DMA_DCR(chan) (chan->mmr_base + 0x24) + +/* Application accelerator unit */ +#define AAU_ACR(chan) (chan->mmr_base + 0x0) +#define AAU_ASR(chan) (chan->mmr_base + 0x4) +#define AAU_ADAR(chan) (chan->mmr_base + 0x8) +#define AAU_ANDAR(chan) (chan->mmr_base + 0xc) +#define AAU_SAR(src, chan) (chan->mmr_base + (0x10 + ((src) << 2))) +#define AAU_DAR(chan) (chan->mmr_base + 0x20) +#define AAU_ABCR(chan) (chan->mmr_base + 0x24) +#define AAU_ADCR(chan) (chan->mmr_base + 0x28) +#define AAU_SAR_EDCR(src_edc) (chan->mmr_base + (0x02c + ((src_edc-4) << 2))) +#define AAU_EDCR0_IDX 8 +#define AAU_EDCR1_IDX 17 +#define AAU_EDCR2_IDX 26 + +#define DMA0_ID 0 +#define DMA1_ID 1 +#define AAU_ID 2 + +struct iop3xx_aau_desc_ctrl { + unsigned int int_en:1; + unsigned int blk1_cmd_ctrl:3; + unsigned int blk2_cmd_ctrl:3; + unsigned int blk3_cmd_ctrl:3; + unsigned int blk4_cmd_ctrl:3; + unsigned int blk5_cmd_ctrl:3; + unsigned int blk6_cmd_ctrl:3; + unsigned int blk7_cmd_ctrl:3; + unsigned int blk8_cmd_ctrl:3; + unsigned int blk_ctrl:2; + unsigned int dual_xor_en:1; + unsigned int tx_complete:1; + unsigned int zero_result_err:1; + unsigned int zero_result_en:1; + unsigned int dest_write_en:1; +}; + +struct iop3xx_aau_e_desc_ctrl { + unsigned int reserved:1; + unsigned int blk1_cmd_ctrl:3; + unsigned int blk2_cmd_ctrl:3; + unsigned int blk3_cmd_ctrl:3; + unsigned int blk4_cmd_ctrl:3; + unsigned int blk5_cmd_ctrl:3; + unsigned int blk6_cmd_ctrl:3; + unsigned int blk7_cmd_ctrl:3; + unsigned int blk8_cmd_ctrl:3; + unsigned int reserved2:7; +}; + +struct iop3xx_dma_desc_ctrl { + unsigned int pci_transaction:4; + unsigned int int_en:1; + unsigned int dac_cycle_en:1; + unsigned int mem_to_mem_en:1; + unsigned int crc_data_tx_en:1; + unsigned int crc_gen_en:1; + unsigned int crc_seed_dis:1; + unsigned int reserved:21; + unsigned int crc_tx_complete:1; +}; + +struct iop3xx_desc_dma { + u32 next_desc; + union { + u32 pci_src_addr; + u32 pci_dest_addr; + u32 src_addr; + }; + union { + u32 upper_pci_src_addr; + u32 upper_pci_dest_addr; + }; + union { + u32 local_pci_src_addr; + u32 local_pci_dest_addr; + u32 dest_addr; + }; + u32 byte_count; + union { + u32 desc_ctrl; + struct iop3xx_dma_desc_ctrl desc_ctrl_field; + }; + u32 crc_addr; +}; + +struct iop3xx_desc_aau { + u32 next_desc; + u32 src[4]; + u32 dest_addr; + u32 byte_count; + union { + u32 desc_ctrl; + struct iop3xx_aau_desc_ctrl desc_ctrl_field; + }; + union { + u32 src_addr; + u32 e_desc_ctrl; + struct iop3xx_aau_e_desc_ctrl e_desc_ctrl_field; + } src_edc[31]; +}; + +struct iop3xx_aau_gfmr { + unsigned int gfmr1:8; + unsigned int gfmr2:8; + unsigned int gfmr3:8; + unsigned int gfmr4:8; +}; + +struct iop3xx_desc_pq_xor { + u32 next_desc; + u32 src[3]; + union { + u32 data_mult1; + struct iop3xx_aau_gfmr data_mult1_field; + }; + u32 dest_addr; + u32 byte_count; + union { + u32 desc_ctrl; + struct iop3xx_aau_desc_ctrl desc_ctrl_field; + }; + union { + u32 src_addr; + u32 e_desc_ctrl; + struct iop3xx_aau_e_desc_ctrl e_desc_ctrl_field; + u32 data_multiplier; + struct iop3xx_aau_gfmr data_mult_field; + u32 reserved; + } src_edc_gfmr[19]; +}; + +struct iop3xx_desc_dual_xor { + u32 next_desc; + u32 src0_addr; + u32 src1_addr; + u32 h_src_addr; + u32 d_src_addr; + u32 h_dest_addr; + u32 byte_count; + union { + u32 desc_ctrl; + struct iop3xx_aau_desc_ctrl desc_ctrl_field; + }; + u32 d_dest_addr; +}; + +union iop3xx_desc { + struct iop3xx_desc_aau *aau; + struct iop3xx_desc_dma *dma; + struct iop3xx_desc_pq_xor *pq_xor; + struct iop3xx_desc_dual_xor *dual_xor; + void *ptr; +}; + +static inline int iop_adma_get_max_xor(void) +{ + return 32; +} + +static inline u32 iop_chan_get_current_descriptor(struct iop_adma_chan *chan) +{ + int id = chan->device->id; + + switch (id) { + case DMA0_ID: + case DMA1_ID: + return __raw_readl(DMA_DAR(chan)); + case AAU_ID: + return __raw_readl(AAU_ADAR(chan)); + default: + BUG(); + } + return 0; +} + +static inline void iop_chan_set_next_descriptor(struct iop_adma_chan *chan, + u32 next_desc_addr) +{ + int id = chan->device->id; + + switch (id) { + case DMA0_ID: + case DMA1_ID: + __raw_writel(next_desc_addr, DMA_NDAR(chan)); + break; + case AAU_ID: + __raw_writel(next_desc_addr, AAU_ANDAR(chan)); + break; + } + +} + +#define IOP_ADMA_STATUS_BUSY (1 << 10) +#define IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT (1024) +#define IOP_ADMA_XOR_MAX_BYTE_COUNT (16 * 1024 * 1024) +#define IOP_ADMA_MAX_BYTE_COUNT (16 * 1024 * 1024) + +static inline int iop_chan_is_busy(struct iop_adma_chan *chan) +{ + u32 status = __raw_readl(DMA_CSR(chan)); + return (status & IOP_ADMA_STATUS_BUSY) ? 1 : 0; +} + +static inline int iop_desc_is_aligned(struct iop_adma_desc_slot *desc, + int num_slots) +{ + /* num_slots will only ever be 1, 2, 4, or 8 */ + return (desc->idx & (num_slots - 1)) ? 0 : 1; +} + +/* to do: support large (i.e. > hw max) buffer sizes */ +static inline int iop_chan_memcpy_slot_count(size_t len, int *slots_per_op) +{ + *slots_per_op = 1; + return 1; +} + +/* to do: support large (i.e. > hw max) buffer sizes */ +static inline int iop_chan_memset_slot_count(size_t len, int *slots_per_op) +{ + *slots_per_op = 1; + return 1; +} + +static inline int iop3xx_aau_xor_slot_count(size_t len, int src_cnt, + int *slots_per_op) +{ + const static int slot_count_table[] = { 0, + 1, 1, 1, 1, /* 01 - 04 */ + 2, 2, 2, 2, /* 05 - 08 */ + 4, 4, 4, 4, /* 09 - 12 */ + 4, 4, 4, 4, /* 13 - 16 */ + 8, 8, 8, 8, /* 17 - 20 */ + 8, 8, 8, 8, /* 21 - 24 */ + 8, 8, 8, 8, /* 25 - 28 */ + 8, 8, 8, 8, /* 29 - 32 */ + }; + *slots_per_op = slot_count_table[src_cnt]; + return *slots_per_op; +} + +static inline int +iop_chan_interrupt_slot_count(int *slots_per_op, struct iop_adma_chan *chan) +{ + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + return iop_chan_memcpy_slot_count(0, slots_per_op); + case AAU_ID: + return iop3xx_aau_xor_slot_count(0, 2, slots_per_op); + default: + BUG(); + } + return 0; +} + +static inline int iop_chan_xor_slot_count(size_t len, int src_cnt, + int *slots_per_op) +{ + int slot_cnt = iop3xx_aau_xor_slot_count(len, src_cnt, slots_per_op); + + if (len <= IOP_ADMA_XOR_MAX_BYTE_COUNT) + return slot_cnt; + + len -= IOP_ADMA_XOR_MAX_BYTE_COUNT; + while (len > IOP_ADMA_XOR_MAX_BYTE_COUNT) { + len -= IOP_ADMA_XOR_MAX_BYTE_COUNT; + slot_cnt += *slots_per_op; + } + + if (len) + slot_cnt += *slots_per_op; + + return slot_cnt; +} + +/* zero sum on iop3xx is limited to 1k at a time so it requires multiple + * descriptors + */ +static inline int iop_chan_zero_sum_slot_count(size_t len, int src_cnt, + int *slots_per_op) +{ + int slot_cnt = iop3xx_aau_xor_slot_count(len, src_cnt, slots_per_op); + + if (len <= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT) + return slot_cnt; + + len -= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT; + while (len > IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT) { + len -= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT; + slot_cnt += *slots_per_op; + } + + if (len) + slot_cnt += *slots_per_op; + + return slot_cnt; +} + +static inline u32 iop_desc_get_dest_addr(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan) +{ + union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; + + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + return hw_desc.dma->dest_addr; + case AAU_ID: + return hw_desc.aau->dest_addr; + default: + BUG(); + } + return 0; +} + +static inline u32 iop_desc_get_byte_count(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan) +{ + union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; + + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + return hw_desc.dma->byte_count; + case AAU_ID: + return hw_desc.aau->byte_count; + default: + BUG(); + } + return 0; +} + +/* translate the src_idx to a descriptor word index */ +static inline int __desc_idx(int src_idx) +{ + const static int desc_idx_table[] = { 0, 0, 0, 0, + 0, 1, 2, 3, + 5, 6, 7, 8, + 9, 10, 11, 12, + 14, 15, 16, 17, + 18, 19, 20, 21, + 23, 24, 25, 26, + 27, 28, 29, 30, + }; + + return desc_idx_table[src_idx]; +} + +static inline u32 iop_desc_get_src_addr(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan, + int src_idx) +{ + union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; + + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + return hw_desc.dma->src_addr; + case AAU_ID: + break; + default: + BUG(); + } + + if (src_idx < 4) + return hw_desc.aau->src[src_idx]; + else + return hw_desc.aau->src_edc[__desc_idx(src_idx)].src_addr; +} + +static inline void iop3xx_aau_desc_set_src_addr(struct iop3xx_desc_aau *hw_desc, + int src_idx, dma_addr_t addr) +{ + if (src_idx < 4) + hw_desc->src[src_idx] = addr; + else + hw_desc->src_edc[__desc_idx(src_idx)].src_addr = addr; +} + +static inline void +iop_desc_init_memcpy(struct iop_adma_desc_slot *desc, int int_en) +{ + struct iop3xx_desc_dma *hw_desc = desc->hw_desc; + union { + u32 value; + struct iop3xx_dma_desc_ctrl field; + } u_desc_ctrl; + + u_desc_ctrl.value = 0; + u_desc_ctrl.field.mem_to_mem_en = 1; + u_desc_ctrl.field.pci_transaction = 0xe; /* memory read block */ + u_desc_ctrl.field.int_en = int_en; + hw_desc->desc_ctrl = u_desc_ctrl.value; + hw_desc->upper_pci_src_addr = 0; + hw_desc->crc_addr = 0; +} + +static inline void +iop_desc_init_memset(struct iop_adma_desc_slot *desc, int int_en) +{ + struct iop3xx_desc_aau *hw_desc = desc->hw_desc; + union { + u32 value; + struct iop3xx_aau_desc_ctrl field; + } u_desc_ctrl; + + u_desc_ctrl.value = 0; + u_desc_ctrl.field.blk1_cmd_ctrl = 0x2; /* memory block fill */ + u_desc_ctrl.field.dest_write_en = 1; + u_desc_ctrl.field.int_en = int_en; + hw_desc->desc_ctrl = u_desc_ctrl.value; +} + +static inline u32 +iop3xx_desc_init_xor(struct iop3xx_desc_aau *hw_desc, int src_cnt, int int_en) +{ + int i, shift; + u32 edcr; + union { + u32 value; + struct iop3xx_aau_desc_ctrl field; + } u_desc_ctrl; + + u_desc_ctrl.value = 0; + switch (src_cnt) { + case 25 ... 32: + u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */ + edcr = 0; + shift = 1; + for (i = 24; i < src_cnt; i++) { + edcr |= (1 << shift); + shift += 3; + } + hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = edcr; + src_cnt = 24; + /* fall through */ + case 17 ... 24: + if (!u_desc_ctrl.field.blk_ctrl) { + hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0; + u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */ + } + edcr = 0; + shift = 1; + for (i = 16; i < src_cnt; i++) { + edcr |= (1 << shift); + shift += 3; + } + hw_desc->src_edc[AAU_EDCR1_IDX].e_desc_ctrl = edcr; + src_cnt = 16; + /* fall through */ + case 9 ... 16: + if (!u_desc_ctrl.field.blk_ctrl) + u_desc_ctrl.field.blk_ctrl = 0x2; /* use EDCR0 */ + edcr = 0; + shift = 1; + for (i = 8; i < src_cnt; i++) { + edcr |= (1 << shift); + shift += 3; + } + hw_desc->src_edc[AAU_EDCR0_IDX].e_desc_ctrl = edcr; + src_cnt = 8; + /* fall through */ + case 2 ... 8: + shift = 1; + for (i = 0; i < src_cnt; i++) { + u_desc_ctrl.value |= (1 << shift); + shift += 3; + } + + if (!u_desc_ctrl.field.blk_ctrl && src_cnt > 4) + u_desc_ctrl.field.blk_ctrl = 0x1; /* use mini-desc */ + } + + u_desc_ctrl.field.dest_write_en = 1; + u_desc_ctrl.field.blk1_cmd_ctrl = 0x7; /* direct fill */ + u_desc_ctrl.field.int_en = int_en; + hw_desc->desc_ctrl = u_desc_ctrl.value; + + return u_desc_ctrl.value; +} + +static inline void +iop_desc_init_xor(struct iop_adma_desc_slot *desc, int src_cnt, int int_en) +{ + iop3xx_desc_init_xor(desc->hw_desc, src_cnt, int_en); +} + +/* return the number of operations */ +static inline int +iop_desc_init_zero_sum(struct iop_adma_desc_slot *desc, int src_cnt, int int_en) +{ + int slot_cnt = desc->slot_cnt, slots_per_op = desc->slots_per_op; + struct iop3xx_desc_aau *hw_desc, *prev_hw_desc, *iter; + union { + u32 value; + struct iop3xx_aau_desc_ctrl field; + } u_desc_ctrl; + int i, j; + + hw_desc = desc->hw_desc; + + for (i = 0, j = 0; (slot_cnt -= slots_per_op) >= 0; + i += slots_per_op, j++) { + iter = iop_hw_desc_slot_idx(hw_desc, i); + u_desc_ctrl.value = iop3xx_desc_init_xor(iter, src_cnt, int_en); + u_desc_ctrl.field.dest_write_en = 0; + u_desc_ctrl.field.zero_result_en = 1; + u_desc_ctrl.field.int_en = int_en; + iter->desc_ctrl = u_desc_ctrl.value; + + /* for the subsequent descriptors preserve the store queue + * and chain them together + */ + if (i) { + prev_hw_desc = + iop_hw_desc_slot_idx(hw_desc, i - slots_per_op); + prev_hw_desc->next_desc = + (u32) (desc->async_tx.phys + (i << 5)); + } + } + + return j; +} + +static inline void +iop_desc_init_null_xor(struct iop_adma_desc_slot *desc, int src_cnt, int int_en) +{ + struct iop3xx_desc_aau *hw_desc = desc->hw_desc; + union { + u32 value; + struct iop3xx_aau_desc_ctrl field; + } u_desc_ctrl; + + u_desc_ctrl.value = 0; + switch (src_cnt) { + case 25 ... 32: + u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */ + hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0; + /* fall through */ + case 17 ... 24: + if (!u_desc_ctrl.field.blk_ctrl) { + hw_desc->src_edc[AAU_EDCR2_IDX].e_desc_ctrl = 0; + u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */ + } + hw_desc->src_edc[AAU_EDCR1_IDX].e_desc_ctrl = 0; + /* fall through */ + case 9 ... 16: + if (!u_desc_ctrl.field.blk_ctrl) + u_desc_ctrl.field.blk_ctrl = 0x2; /* use EDCR0 */ + hw_desc->src_edc[AAU_EDCR0_IDX].e_desc_ctrl = 0; + /* fall through */ + case 1 ... 8: + if (!u_desc_ctrl.field.blk_ctrl && src_cnt > 4) + u_desc_ctrl.field.blk_ctrl = 0x1; /* use mini-desc */ + } + + u_desc_ctrl.field.dest_write_en = 0; + u_desc_ctrl.field.int_en = int_en; + hw_desc->desc_ctrl = u_desc_ctrl.value; +} + +static inline void iop_desc_set_byte_count(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan, + u32 byte_count) +{ + union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; + + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + hw_desc.dma->byte_count = byte_count; + break; + case AAU_ID: + hw_desc.aau->byte_count = byte_count; + break; + default: + BUG(); + } +} + +static inline void +iop_desc_init_interrupt(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan) +{ + union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; + + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + iop_desc_init_memcpy(desc, 1); + hw_desc.dma->byte_count = 0; + hw_desc.dma->dest_addr = 0; + hw_desc.dma->src_addr = 0; + break; + case AAU_ID: + iop_desc_init_null_xor(desc, 2, 1); + hw_desc.aau->byte_count = 0; + hw_desc.aau->dest_addr = 0; + hw_desc.aau->src[0] = 0; + hw_desc.aau->src[1] = 0; + break; + default: + BUG(); + } +} + +static inline void +iop_desc_set_zero_sum_byte_count(struct iop_adma_desc_slot *desc, u32 len) +{ + int slots_per_op = desc->slots_per_op; + struct iop3xx_desc_aau *hw_desc = desc->hw_desc, *iter; + int i = 0; + + if (len <= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT) { + hw_desc->byte_count = len; + } else { + do { + iter = iop_hw_desc_slot_idx(hw_desc, i); + iter->byte_count = IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT; + len -= IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT; + i += slots_per_op; + } while (len > IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT); + + if (len) { + iter = iop_hw_desc_slot_idx(hw_desc, i); + iter->byte_count = len; + } + } +} + +static inline void iop_desc_set_dest_addr(struct iop_adma_desc_slot *desc, + struct iop_adma_chan *chan, + dma_addr_t addr) +{ + union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; + + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + hw_desc.dma->dest_addr = addr; + break; + case AAU_ID: + hw_desc.aau->dest_addr = addr; + break; + default: + BUG(); + } +} + +static inline void iop_desc_set_memcpy_src_addr(struct iop_adma_desc_slot *desc, + dma_addr_t addr) +{ + struct iop3xx_desc_dma *hw_desc = desc->hw_desc; + hw_desc->src_addr = addr; +} + +static inline void +iop_desc_set_zero_sum_src_addr(struct iop_adma_desc_slot *desc, int src_idx, + dma_addr_t addr) +{ + + struct iop3xx_desc_aau *hw_desc = desc->hw_desc, *iter; + int slot_cnt = desc->slot_cnt, slots_per_op = desc->slots_per_op; + int i; + + for (i = 0; (slot_cnt -= slots_per_op) >= 0; + i += slots_per_op, addr += IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT) { + iter = iop_hw_desc_slot_idx(hw_desc, i); + iop3xx_aau_desc_set_src_addr(iter, src_idx, addr); + } +} + +static inline void iop_desc_set_xor_src_addr(struct iop_adma_desc_slot *desc, + int src_idx, dma_addr_t addr) +{ + + struct iop3xx_desc_aau *hw_desc = desc->hw_desc, *iter; + int slot_cnt = desc->slot_cnt, slots_per_op = desc->slots_per_op; + int i; + + for (i = 0; (slot_cnt -= slots_per_op) >= 0; + i += slots_per_op, addr += IOP_ADMA_XOR_MAX_BYTE_COUNT) { + iter = iop_hw_desc_slot_idx(hw_desc, i); + iop3xx_aau_desc_set_src_addr(iter, src_idx, addr); + } +} + +static inline void iop_desc_set_next_desc(struct iop_adma_desc_slot *desc, + u32 next_desc_addr) +{ + /* hw_desc->next_desc is the same location for all channels */ + union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; + BUG_ON(hw_desc.dma->next_desc); + hw_desc.dma->next_desc = next_desc_addr; +} + +static inline u32 iop_desc_get_next_desc(struct iop_adma_desc_slot *desc) +{ + /* hw_desc->next_desc is the same location for all channels */ + union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; + return hw_desc.dma->next_desc; +} + +static inline void iop_desc_clear_next_desc(struct iop_adma_desc_slot *desc) +{ + /* hw_desc->next_desc is the same location for all channels */ + union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; + hw_desc.dma->next_desc = 0; +} + +static inline void iop_desc_set_block_fill_val(struct iop_adma_desc_slot *desc, + u32 val) +{ + struct iop3xx_desc_aau *hw_desc = desc->hw_desc; + hw_desc->src[0] = val; +} + +static inline int iop_desc_get_zero_result(struct iop_adma_desc_slot *desc) +{ + struct iop3xx_desc_aau *hw_desc = desc->hw_desc; + struct iop3xx_aau_desc_ctrl desc_ctrl = hw_desc->desc_ctrl_field; + + BUG_ON(!(desc_ctrl.tx_complete && desc_ctrl.zero_result_en)); + return desc_ctrl.zero_result_err; +} + +static inline void iop_chan_append(struct iop_adma_chan *chan) +{ + u32 dma_chan_ctrl; + /* workaround dropped interrupts on 3xx */ + mod_timer(&chan->cleanup_watchdog, jiffies + msecs_to_jiffies(3)); + + dma_chan_ctrl = __raw_readl(DMA_CCR(chan)); + dma_chan_ctrl |= 0x2; + __raw_writel(dma_chan_ctrl, DMA_CCR(chan)); +} + +static inline void iop_chan_idle(int busy, struct iop_adma_chan *chan) +{ + if (!busy) + del_timer(&chan->cleanup_watchdog); +} + +static inline u32 iop_chan_get_status(struct iop_adma_chan *chan) +{ + return __raw_readl(DMA_CSR(chan)); +} + +static inline void iop_chan_disable(struct iop_adma_chan *chan) +{ + u32 dma_chan_ctrl = __raw_readl(DMA_CCR(chan)); + dma_chan_ctrl &= ~1; + __raw_writel(dma_chan_ctrl, DMA_CCR(chan)); +} + +static inline void iop_chan_enable(struct iop_adma_chan *chan) +{ + u32 dma_chan_ctrl = __raw_readl(DMA_CCR(chan)); + + dma_chan_ctrl |= 1; + __raw_writel(dma_chan_ctrl, DMA_CCR(chan)); +} + +static inline void iop_adma_device_clear_eot_status(struct iop_adma_chan *chan) +{ + u32 status = __raw_readl(DMA_CSR(chan)); + status &= (1 << 9); + __raw_writel(status, DMA_CSR(chan)); +} + +static inline void iop_adma_device_clear_eoc_status(struct iop_adma_chan *chan) +{ + u32 status = __raw_readl(DMA_CSR(chan)); + status &= (1 << 8); + __raw_writel(status, DMA_CSR(chan)); +} + +static inline void iop_adma_device_clear_err_status(struct iop_adma_chan *chan) +{ + u32 status = __raw_readl(DMA_CSR(chan)); + + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + status &= (1 << 5) | (1 << 3) | (1 << 2) | (1 << 1); + break; + case AAU_ID: + status &= (1 << 5); + break; + default: + BUG(); + } + + __raw_writel(status, DMA_CSR(chan)); +} + +static inline int +iop_is_err_int_parity(unsigned long status, struct iop_adma_chan *chan) +{ + return 0; +} + +static inline int +iop_is_err_mcu_abort(unsigned long status, struct iop_adma_chan *chan) +{ + return 0; +} + +static inline int +iop_is_err_int_tabort(unsigned long status, struct iop_adma_chan *chan) +{ + return 0; +} + +static inline int +iop_is_err_int_mabort(unsigned long status, struct iop_adma_chan *chan) +{ + return test_bit(5, &status); +} + +static inline int +iop_is_err_pci_tabort(unsigned long status, struct iop_adma_chan *chan) +{ + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + return test_bit(2, &status); + default: + return 0; + } +} + +static inline int +iop_is_err_pci_mabort(unsigned long status, struct iop_adma_chan *chan) +{ + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + return test_bit(3, &status); + default: + return 0; + } +} + +static inline int +iop_is_err_split_tx(unsigned long status, struct iop_adma_chan *chan) +{ + switch (chan->device->id) { + case DMA0_ID: + case DMA1_ID: + return test_bit(1, &status); + default: + return 0; + } +} +#endif /* _ADMA_H */ diff --git a/include/asm-arm/hardware/iop3xx.h b/include/asm-arm/hardware/iop3xx.h index 63feceb7ede5..fb90b421f31c 100644 --- a/include/asm-arm/hardware/iop3xx.h +++ b/include/asm-arm/hardware/iop3xx.h @@ -144,24 +144,9 @@ extern int init_atu; #define IOP3XX_IAR (volatile u32 *)IOP3XX_REG_ADDR(0x0380) /* DMA Controller */ -#define IOP3XX_DMA0_CCR (volatile u32 *)IOP3XX_REG_ADDR(0x0400) -#define IOP3XX_DMA0_CSR (volatile u32 *)IOP3XX_REG_ADDR(0x0404) -#define IOP3XX_DMA0_DAR (volatile u32 *)IOP3XX_REG_ADDR(0x040c) -#define IOP3XX_DMA0_NDAR (volatile u32 *)IOP3XX_REG_ADDR(0x0410) -#define IOP3XX_DMA0_PADR (volatile u32 *)IOP3XX_REG_ADDR(0x0414) -#define IOP3XX_DMA0_PUADR (volatile u32 *)IOP3XX_REG_ADDR(0x0418) -#define IOP3XX_DMA0_LADR (volatile u32 *)IOP3XX_REG_ADDR(0x041c) -#define IOP3XX_DMA0_BCR (volatile u32 *)IOP3XX_REG_ADDR(0x0420) -#define IOP3XX_DMA0_DCR (volatile u32 *)IOP3XX_REG_ADDR(0x0424) -#define IOP3XX_DMA1_CCR (volatile u32 *)IOP3XX_REG_ADDR(0x0440) -#define IOP3XX_DMA1_CSR (volatile u32 *)IOP3XX_REG_ADDR(0x0444) -#define IOP3XX_DMA1_DAR (volatile u32 *)IOP3XX_REG_ADDR(0x044c) -#define IOP3XX_DMA1_NDAR (volatile u32 *)IOP3XX_REG_ADDR(0x0450) -#define IOP3XX_DMA1_PADR (volatile u32 *)IOP3XX_REG_ADDR(0x0454) -#define IOP3XX_DMA1_PUADR (volatile u32 *)IOP3XX_REG_ADDR(0x0458) -#define IOP3XX_DMA1_LADR (volatile u32 *)IOP3XX_REG_ADDR(0x045c) -#define IOP3XX_DMA1_BCR (volatile u32 *)IOP3XX_REG_ADDR(0x0460) -#define IOP3XX_DMA1_DCR (volatile u32 *)IOP3XX_REG_ADDR(0x0464) +#define IOP3XX_DMA_PHYS_BASE(chan) (IOP3XX_PERIPHERAL_PHYS_BASE + \ + (0x400 + (chan << 6))) +#define IOP3XX_DMA_UPPER_PA(chan) (IOP3XX_DMA_PHYS_BASE(chan) + 0x27) /* Peripheral bus interface */ #define IOP3XX_PBCR (volatile u32 *)IOP3XX_REG_ADDR(0x0680) @@ -209,49 +194,16 @@ extern int init_atu; #define IOP_TMR_PRIVILEGED 0x08 #define IOP_TMR_RATIO_1_1 0x00 +/* Watchdog timer definitions */ +#define IOP_WDTCR_EN_ARM 0x1e1e1e1e +#define IOP_WDTCR_EN 0xe1e1e1e1 +/* iop3xx does not support stopping the watchdog, so we just re-arm */ +#define IOP_WDTCR_DIS_ARM (IOP_WDTCR_EN_ARM) +#define IOP_WDTCR_DIS (IOP_WDTCR_EN) + /* Application accelerator unit */ -#define IOP3XX_AAU_ACR (volatile u32 *)IOP3XX_REG_ADDR(0x0800) -#define IOP3XX_AAU_ASR (volatile u32 *)IOP3XX_REG_ADDR(0x0804) -#define IOP3XX_AAU_ADAR (volatile u32 *)IOP3XX_REG_ADDR(0x0808) -#define IOP3XX_AAU_ANDAR (volatile u32 *)IOP3XX_REG_ADDR(0x080c) -#define IOP3XX_AAU_SAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0810) -#define IOP3XX_AAU_SAR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0814) -#define IOP3XX_AAU_SAR3 (volatile u32 *)IOP3XX_REG_ADDR(0x0818) -#define IOP3XX_AAU_SAR4 (volatile u32 *)IOP3XX_REG_ADDR(0x081c) -#define IOP3XX_AAU_DAR (volatile u32 *)IOP3XX_REG_ADDR(0x0820) -#define IOP3XX_AAU_ABCR (volatile u32 *)IOP3XX_REG_ADDR(0x0824) -#define IOP3XX_AAU_ADCR (volatile u32 *)IOP3XX_REG_ADDR(0x0828) -#define IOP3XX_AAU_SAR5 (volatile u32 *)IOP3XX_REG_ADDR(0x082c) -#define IOP3XX_AAU_SAR6 (volatile u32 *)IOP3XX_REG_ADDR(0x0830) -#define IOP3XX_AAU_SAR7 (volatile u32 *)IOP3XX_REG_ADDR(0x0834) -#define IOP3XX_AAU_SAR8 (volatile u32 *)IOP3XX_REG_ADDR(0x0838) -#define IOP3XX_AAU_EDCR0 (volatile u32 *)IOP3XX_REG_ADDR(0x083c) -#define IOP3XX_AAU_SAR9 (volatile u32 *)IOP3XX_REG_ADDR(0x0840) -#define IOP3XX_AAU_SAR10 (volatile u32 *)IOP3XX_REG_ADDR(0x0844) -#define IOP3XX_AAU_SAR11 (volatile u32 *)IOP3XX_REG_ADDR(0x0848) -#define IOP3XX_AAU_SAR12 (volatile u32 *)IOP3XX_REG_ADDR(0x084c) -#define IOP3XX_AAU_SAR13 (volatile u32 *)IOP3XX_REG_ADDR(0x0850) -#define IOP3XX_AAU_SAR14 (volatile u32 *)IOP3XX_REG_ADDR(0x0854) -#define IOP3XX_AAU_SAR15 (volatile u32 *)IOP3XX_REG_ADDR(0x0858) -#define IOP3XX_AAU_SAR16 (volatile u32 *)IOP3XX_REG_ADDR(0x085c) -#define IOP3XX_AAU_EDCR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0860) -#define IOP3XX_AAU_SAR17 (volatile u32 *)IOP3XX_REG_ADDR(0x0864) -#define IOP3XX_AAU_SAR18 (volatile u32 *)IOP3XX_REG_ADDR(0x0868) -#define IOP3XX_AAU_SAR19 (volatile u32 *)IOP3XX_REG_ADDR(0x086c) -#define IOP3XX_AAU_SAR20 (volatile u32 *)IOP3XX_REG_ADDR(0x0870) -#define IOP3XX_AAU_SAR21 (volatile u32 *)IOP3XX_REG_ADDR(0x0874) -#define IOP3XX_AAU_SAR22 (volatile u32 *)IOP3XX_REG_ADDR(0x0878) -#define IOP3XX_AAU_SAR23 (volatile u32 *)IOP3XX_REG_ADDR(0x087c) -#define IOP3XX_AAU_SAR24 (volatile u32 *)IOP3XX_REG_ADDR(0x0880) -#define IOP3XX_AAU_EDCR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0884) -#define IOP3XX_AAU_SAR25 (volatile u32 *)IOP3XX_REG_ADDR(0x0888) -#define IOP3XX_AAU_SAR26 (volatile u32 *)IOP3XX_REG_ADDR(0x088c) -#define IOP3XX_AAU_SAR27 (volatile u32 *)IOP3XX_REG_ADDR(0x0890) -#define IOP3XX_AAU_SAR28 (volatile u32 *)IOP3XX_REG_ADDR(0x0894) -#define IOP3XX_AAU_SAR29 (volatile u32 *)IOP3XX_REG_ADDR(0x0898) -#define IOP3XX_AAU_SAR30 (volatile u32 *)IOP3XX_REG_ADDR(0x089c) -#define IOP3XX_AAU_SAR31 (volatile u32 *)IOP3XX_REG_ADDR(0x08a0) -#define IOP3XX_AAU_SAR32 (volatile u32 *)IOP3XX_REG_ADDR(0x08a4) +#define IOP3XX_AAU_PHYS_BASE (IOP3XX_PERIPHERAL_PHYS_BASE + 0x800) +#define IOP3XX_AAU_UPPER_PA (IOP3XX_AAU_PHYS_BASE + 0xa7) /* I2C bus interface unit */ #define IOP3XX_ICR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1680) @@ -329,6 +281,35 @@ static inline void write_tisr(u32 val) asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (val)); } +static inline u32 read_wdtcr(void) +{ + u32 val; + asm volatile("mrc p6, 0, %0, c7, c1, 0":"=r" (val)); + return val; +} +static inline void write_wdtcr(u32 val) +{ + asm volatile("mcr p6, 0, %0, c7, c1, 0"::"r" (val)); +} + +extern unsigned long get_iop_tick_rate(void); + +/* only iop13xx has these registers, we define these to present a + * common register interface for the iop_wdt driver. + */ +#define IOP_RCSR_WDT (0) +static inline u32 read_rcsr(void) +{ + return 0; +} +static inline void write_wdtsr(u32 val) +{ + do { } while (0); +} + +extern struct platform_device iop3xx_dma_0_channel; +extern struct platform_device iop3xx_dma_1_channel; +extern struct platform_device iop3xx_aau_channel; extern struct platform_device iop3xx_i2c0_device; extern struct platform_device iop3xx_i2c1_device; diff --git a/include/asm-arm/hardware/iop_adma.h b/include/asm-arm/hardware/iop_adma.h new file mode 100644 index 000000000000..ca8e71f44346 --- /dev/null +++ b/include/asm-arm/hardware/iop_adma.h @@ -0,0 +1,118 @@ +/* + * Copyright © 2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + */ +#ifndef IOP_ADMA_H +#define IOP_ADMA_H +#include <linux/types.h> +#include <linux/dmaengine.h> +#include <linux/interrupt.h> + +#define IOP_ADMA_SLOT_SIZE 32 +#define IOP_ADMA_THRESHOLD 4 + +/** + * struct iop_adma_device - internal representation of an ADMA device + * @pdev: Platform device + * @id: HW ADMA Device selector + * @dma_desc_pool: base of DMA descriptor region (DMA address) + * @dma_desc_pool_virt: base of DMA descriptor region (CPU address) + * @common: embedded struct dma_device + */ +struct iop_adma_device { + struct platform_device *pdev; + int id; + dma_addr_t dma_desc_pool; + void *dma_desc_pool_virt; + struct dma_device common; +}; + +/** + * struct iop_adma_chan - internal representation of an ADMA device + * @pending: allows batching of hardware operations + * @completed_cookie: identifier for the most recently completed operation + * @lock: serializes enqueue/dequeue operations to the slot pool + * @mmr_base: memory mapped register base + * @chain: device chain view of the descriptors + * @device: parent device + * @common: common dmaengine channel object members + * @last_used: place holder for allocation to continue from where it left off + * @all_slots: complete domain of slots usable by the channel + * @cleanup_watchdog: workaround missed interrupts on iop3xx + * @slots_allocated: records the actual size of the descriptor slot pool + * @irq_tasklet: bottom half where iop_adma_slot_cleanup runs + */ +struct iop_adma_chan { + int pending; + dma_cookie_t completed_cookie; + spinlock_t lock; /* protects the descriptor slot pool */ + void __iomem *mmr_base; + struct list_head chain; + struct iop_adma_device *device; + struct dma_chan common; + struct iop_adma_desc_slot *last_used; + struct list_head all_slots; + struct timer_list cleanup_watchdog; + int slots_allocated; + struct tasklet_struct irq_tasklet; +}; + +/** + * struct iop_adma_desc_slot - IOP-ADMA software descriptor + * @slot_node: node on the iop_adma_chan.all_slots list + * @chain_node: node on the op_adma_chan.chain list + * @hw_desc: virtual address of the hardware descriptor chain + * @phys: hardware address of the hardware descriptor chain + * @group_head: first operation in a transaction + * @slot_cnt: total slots used in an transaction (group of operations) + * @slots_per_op: number of slots per operation + * @idx: pool index + * @unmap_src_cnt: number of xor sources + * @unmap_len: transaction bytecount + * @async_tx: support for the async_tx api + * @group_list: list of slots that make up a multi-descriptor transaction + * for example transfer lengths larger than the supported hw max + * @xor_check_result: result of zero sum + * @crc32_result: result crc calculation + */ +struct iop_adma_desc_slot { + struct list_head slot_node; + struct list_head chain_node; + void *hw_desc; + struct iop_adma_desc_slot *group_head; + u16 slot_cnt; + u16 slots_per_op; + u16 idx; + u16 unmap_src_cnt; + size_t unmap_len; + struct dma_async_tx_descriptor async_tx; + union { + u32 *xor_check_result; + u32 *crc32_result; + }; +}; + +struct iop_adma_platform_data { + int hw_id; + dma_cap_mask_t cap_mask; + size_t pool_size; +}; + +#define to_iop_sw_desc(addr_hw_desc) \ + container_of(addr_hw_desc, struct iop_adma_desc_slot, hw_desc) +#define iop_hw_desc_slot_idx(hw_desc, idx) \ + ( (void *) (((unsigned long) hw_desc) + ((idx) << 5)) ) +#endif diff --git a/include/asm-arm/hwcap.h b/include/asm-arm/hwcap.h new file mode 100644 index 000000000000..01a1391d3014 --- /dev/null +++ b/include/asm-arm/hwcap.h @@ -0,0 +1,28 @@ +#ifndef __ASMARM_HWCAP_H +#define __ASMARM_HWCAP_H + +/* + * HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP + */ +#define HWCAP_SWP 1 +#define HWCAP_HALF 2 +#define HWCAP_THUMB 4 +#define HWCAP_26BIT 8 /* Play it safe */ +#define HWCAP_FAST_MULT 16 +#define HWCAP_FPA 32 +#define HWCAP_VFP 64 +#define HWCAP_EDSP 128 +#define HWCAP_JAVA 256 +#define HWCAP_IWMMXT 512 +#define HWCAP_CRUNCH 1024 + +#if defined(__KERNEL__) && !defined(__ASSEMBLY__) +/* + * This yields a mask that user programs can use to figure out what + * instruction set this cpu supports. + */ +#define ELF_HWCAP (elf_hwcap) +extern unsigned int elf_hwcap; +#endif + +#endif diff --git a/include/asm-arm/pci.h b/include/asm-arm/pci.h index f21abd4ddac6..ed3f898191f4 100644 --- a/include/asm-arm/pci.h +++ b/include/asm-arm/pci.h @@ -26,11 +26,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active) #define PCI_DMA_BUS_IS_PHYS (0) /* - * We don't support DAC DMA cycles. - */ -#define pci_dac_dma_supported(pci_dev, mask) (0) - -/* * Whether pci_unmap_{single,page} is a nop depends upon the * configuration. */ @@ -76,10 +71,6 @@ pcibios_select_root(struct pci_dev *pdev, struct resource *res) return root; } -static inline void pcibios_add_platform_entries(struct pci_dev *dev) -{ -} - #endif /* __KERNEL__ */ #endif diff --git a/include/asm-arm/pgtable-nommu.h b/include/asm-arm/pgtable-nommu.h index 0c8be19fd66b..b186bc820e30 100644 --- a/include/asm-arm/pgtable-nommu.h +++ b/include/asm-arm/pgtable-nommu.h @@ -102,7 +102,8 @@ extern int is_in_rom(unsigned long); #define v4_tlb_fns (0) #define v4wb_tlb_fns (0) #define v4wbi_tlb_fns (0) -#define v6_tlb_fns (0) +#define v6wbi_tlb_fns (0) +#define v7wbi_tlb_fns (0) #define v3_user_fns (0) #define v4_user_fns (0) diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h index 21dec9f258d8..d2e8171d1d4e 100644 --- a/include/asm-arm/pgtable.h +++ b/include/asm-arm/pgtable.h @@ -83,14 +83,14 @@ * means that a write to a clean page will cause a permission fault, and * the Linux MM layer will mark the page dirty via handle_pte_fault(). * For the hardware to notice the permission change, the TLB entry must - * be flushed, and ptep_establish() does that for us. + * be flushed, and ptep_set_access_flags() does that for us. * * The "accessed" or "young" bit is emulated by a similar method; we only * allow accesses to the page if the "young" bit is set. Accesses to the * page will cause a fault, and handle_pte_fault() will set the young bit * for us as long as the page is marked present in the corresponding Linux - * PTE entry. Again, ptep_establish() will ensure that the TLB is up to - * date. + * PTE entry. Again, ptep_set_access_flags() will ensure that the TLB is + * up to date. * * However, when the "young" bit is cleared, we deny access to the page * by clearing the hardware PTE. Currently Linux does not flush the TLB @@ -257,9 +257,7 @@ extern struct page *empty_zero_page; * Undefined behaviour if not.. */ #define pte_present(pte) (pte_val(pte) & L_PTE_PRESENT) -#define pte_read(pte) (pte_val(pte) & L_PTE_USER) #define pte_write(pte) (pte_val(pte) & L_PTE_WRITE) -#define pte_exec(pte) (pte_val(pte) & L_PTE_EXEC) #define pte_dirty(pte) (pte_val(pte) & L_PTE_DIRTY) #define pte_young(pte) (pte_val(pte) & L_PTE_YOUNG) @@ -275,12 +273,8 @@ extern struct page *empty_zero_page; #define PTE_BIT_FUNC(fn,op) \ static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; } -/*PTE_BIT_FUNC(rdprotect, &= ~L_PTE_USER);*/ -/*PTE_BIT_FUNC(mkread, |= L_PTE_USER);*/ PTE_BIT_FUNC(wrprotect, &= ~L_PTE_WRITE); PTE_BIT_FUNC(mkwrite, |= L_PTE_WRITE); -PTE_BIT_FUNC(exprotect, &= ~L_PTE_EXEC); -PTE_BIT_FUNC(mkexec, |= L_PTE_EXEC); PTE_BIT_FUNC(mkclean, &= ~L_PTE_DIRTY); PTE_BIT_FUNC(mkdirty, |= L_PTE_DIRTY); PTE_BIT_FUNC(mkold, &= ~L_PTE_YOUNG); diff --git a/include/asm-arm/plat-s3c/debug-macro.S b/include/asm-arm/plat-s3c/debug-macro.S new file mode 100644 index 000000000000..84c40b847da8 --- /dev/null +++ b/include/asm-arm/plat-s3c/debug-macro.S @@ -0,0 +1,75 @@ +/* linux/include/asm-arm/plat-s3c/debug-macro.S + * + * Copyright 2005, 2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <asm/plat-s3c/regs-serial.h> + +/* The S3C2440 implementations are used by default as they are the + * most widely re-used */ + + .macro fifo_level_s3c2440 rd, rx + ldr \rd, [ \rx, # S3C2410_UFSTAT ] + and \rd, \rd, #S3C2440_UFSTAT_TXMASK + .endm + +#ifndef fifo_level +#define fifo_level fifo_level_s3c2410 +#endif + + .macro fifo_full_s3c2440 rd, rx + ldr \rd, [ \rx, # S3C2410_UFSTAT ] + tst \rd, #S3C2440_UFSTAT_TXFULL + .endm + +#ifndef fifo_full +#define fifo_full fifo_full_s3c2440 +#endif + + .macro senduart,rd,rx + strb \rd, [\rx, # S3C2410_UTXH ] + .endm + + .macro busyuart, rd, rx + ldr \rd, [ \rx, # S3C2410_UFCON ] + tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? + beq 1001f @ + @ FIFO enabled... +1003: + fifo_full \rd, \rx + bne 1003b + b 1002f + +1001: + @ busy waiting for non fifo + ldr \rd, [ \rx, # S3C2410_UTRSTAT ] + tst \rd, #S3C2410_UTRSTAT_TXFE + beq 1001b + +1002: @ exit busyuart + .endm + + .macro waituart,rd,rx + ldr \rd, [ \rx, # S3C2410_UFCON ] + tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled? + beq 1001f @ + @ FIFO enabled... +1003: + fifo_level \rd, \rx + teq \rd, #0 + bne 1003b + b 1002f +1001: + @ idle waiting for non fifo + ldr \rd, [ \rx, # S3C2410_UTRSTAT ] + tst \rd, #S3C2410_UTRSTAT_TXFE + beq 1001b + +1002: @ exit busyuart + .endm diff --git a/include/asm-arm/arch-s3c2410/iic.h b/include/asm-arm/plat-s3c/iic.h index 71211c8b5384..71211c8b5384 100644 --- a/include/asm-arm/arch-s3c2410/iic.h +++ b/include/asm-arm/plat-s3c/iic.h diff --git a/include/asm-arm/plat-s3c/map.h b/include/asm-arm/plat-s3c/map.h new file mode 100644 index 000000000000..95a82b0e84a1 --- /dev/null +++ b/include/asm-arm/plat-s3c/map.h @@ -0,0 +1,40 @@ +/* linux/include/asm-arm/plat-s3c/map.h + * + * Copyright 2003, 2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C - Memory map definitions (virtual addresses) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_PLAT_MAP_H +#define __ASM_PLAT_MAP_H __FILE__ + +/* Fit all our registers in at 0xF4000000 upwards, trying to use as + * little of the VA space as possible so vmalloc and friends have a + * better chance of getting memory. + * + * we try to ensure stuff like the IRQ registers are available for + * an single MOVS instruction (ie, only 8 bits of set data) + */ + +#define S3C_ADDR_BASE (0xF4000000) + +#ifndef __ASSEMBLY__ +#define S3C_ADDR(x) ((void __iomem __force *)S3C_ADDR_BASE + (x)) +#else +#define S3C_ADDR(x) (S3C_ADDR_BASE + (x)) +#endif + +#define S3C_VA_IRQ S3C_ADDR(0x000000000) /* irq controller(s) */ +#define S3C_VA_SYS S3C_ADDR(0x001000000) /* system control */ +#define S3C_VA_MEM S3C_ADDR(0x002000000) /* system control */ +#define S3C_VA_TIMER S3C_ADDR(0x003000000) /* timer block */ +#define S3C_VA_WATCHDOG S3C_ADDR(0x004000000) /* watchdog */ +#define S3C_VA_UART S3C_ADDR(0x010000000) /* UART */ + +#endif /* __ASM_PLAT_MAP_H */ diff --git a/include/asm-arm/arch-s3c2410/nand.h b/include/asm-arm/plat-s3c/nand.h index 8816f7f9cee1..8816f7f9cee1 100644 --- a/include/asm-arm/arch-s3c2410/nand.h +++ b/include/asm-arm/plat-s3c/nand.h diff --git a/include/asm-arm/arch-s3c2410/regs-ac97.h b/include/asm-arm/plat-s3c/regs-ac97.h index b004dee6bcaf..b004dee6bcaf 100644 --- a/include/asm-arm/arch-s3c2410/regs-ac97.h +++ b/include/asm-arm/plat-s3c/regs-ac97.h diff --git a/include/asm-arm/arch-s3c2410/regs-adc.h b/include/asm-arm/plat-s3c/regs-adc.h index c7f231963e76..c7f231963e76 100644 --- a/include/asm-arm/arch-s3c2410/regs-adc.h +++ b/include/asm-arm/plat-s3c/regs-adc.h diff --git a/include/asm-arm/arch-s3c2410/regs-iic.h b/include/asm-arm/plat-s3c/regs-iic.h index 2ae29522f253..2ae29522f253 100644 --- a/include/asm-arm/arch-s3c2410/regs-iic.h +++ b/include/asm-arm/plat-s3c/regs-iic.h diff --git a/include/asm-arm/arch-s3c2410/regs-nand.h b/include/asm-arm/plat-s3c/regs-nand.h index b824d371ae0b..b824d371ae0b 100644 --- a/include/asm-arm/arch-s3c2410/regs-nand.h +++ b/include/asm-arm/plat-s3c/regs-nand.h diff --git a/include/asm-arm/arch-s3c2410/regs-rtc.h b/include/asm-arm/plat-s3c/regs-rtc.h index 93b03c49710a..93b03c49710a 100644 --- a/include/asm-arm/arch-s3c2410/regs-rtc.h +++ b/include/asm-arm/plat-s3c/regs-rtc.h diff --git a/include/asm-arm/arch-s3c2410/regs-serial.h b/include/asm-arm/plat-s3c/regs-serial.h index 8946702a87f5..923e114db663 100644 --- a/include/asm-arm/arch-s3c2410/regs-serial.h +++ b/include/asm-arm/plat-s3c/regs-serial.h @@ -32,10 +32,10 @@ #ifndef __ASM_ARM_REGS_SERIAL_H #define __ASM_ARM_REGS_SERIAL_H -#define S3C24XX_VA_UART0 (S3C24XX_VA_UART) -#define S3C24XX_VA_UART1 (S3C24XX_VA_UART + 0x4000 ) -#define S3C24XX_VA_UART2 (S3C24XX_VA_UART + 0x8000 ) -#define S3C24XX_VA_UART3 (S3C24XX_VA_UART + 0xC000 ) +#define S3C24XX_VA_UART0 (S3C_VA_UART) +#define S3C24XX_VA_UART1 (S3C_VA_UART + 0x4000 ) +#define S3C24XX_VA_UART2 (S3C_VA_UART + 0x8000 ) +#define S3C24XX_VA_UART3 (S3C_VA_UART + 0xC000 ) #define S3C2410_PA_UART0 (S3C24XX_PA_UART) #define S3C2410_PA_UART1 (S3C24XX_PA_UART + 0x4000 ) diff --git a/include/asm-arm/arch-s3c2410/regs-timer.h b/include/asm-arm/plat-s3c/regs-timer.h index 6f8fe432fe3a..8b0d594397b1 100644 --- a/include/asm-arm/arch-s3c2410/regs-timer.h +++ b/include/asm-arm/plat-s3c/regs-timer.h @@ -14,12 +14,12 @@ #ifndef __ASM_ARCH_REGS_TIMER_H #define __ASM_ARCH_REGS_TIMER_H "$Id: timer.h,v 1.4 2003/05/06 19:30:50 ben Exp $" -#define S3C2410_TIMERREG(x) (S3C24XX_VA_TIMER + (x)) -#define S3C2410_TIMERREG2(tmr,reg) S3C2410_TIMERREG((reg)+0x0c+((tmr)*0x0c)) +#define S3C_TIMERREG(x) (S3C_VA_TIMER + (x)) +#define S3C_TIMERREG2(tmr,reg) S3C_TIMERREG((reg)+0x0c+((tmr)*0x0c)) -#define S3C2410_TCFG0 S3C2410_TIMERREG(0x00) -#define S3C2410_TCFG1 S3C2410_TIMERREG(0x04) -#define S3C2410_TCON S3C2410_TIMERREG(0x08) +#define S3C2410_TCFG0 S3C_TIMERREG(0x00) +#define S3C2410_TCFG1 S3C_TIMERREG(0x04) +#define S3C2410_TCON S3C_TIMERREG(0x08) #define S3C2410_TCFG_PRESCALER0_MASK (255<<0) #define S3C2410_TCFG_PRESCALER1_MASK (255<<8) @@ -71,9 +71,9 @@ /* WARNING - timer 4 has no buffer reg, and it's observation is at +4 */ -#define S3C2410_TCNTB(tmr) S3C2410_TIMERREG2(tmr, 0x00) -#define S3C2410_TCMPB(tmr) S3C2410_TIMERREG2(tmr, 0x04) -#define S3C2410_TCNTO(tmr) S3C2410_TIMERREG2(tmr, (((tmr) == 4) ? 0x04 : 0x08)) +#define S3C2410_TCNTB(tmr) S3C_TIMERREG2(tmr, 0x00) +#define S3C2410_TCMPB(tmr) S3C_TIMERREG2(tmr, 0x04) +#define S3C2410_TCNTO(tmr) S3C_TIMERREG2(tmr, (((tmr) == 4) ? 0x04 : 0x08)) #define S3C2410_TCON_T4RELOAD (1<<22) #define S3C2410_TCON_T4MANUALUPD (1<<21) diff --git a/include/asm-arm/arch-s3c2410/regs-watchdog.h b/include/asm-arm/plat-s3c/regs-watchdog.h index a9c5d491bdb6..56c4193b7a46 100644 --- a/include/asm-arm/arch-s3c2410/regs-watchdog.h +++ b/include/asm-arm/plat-s3c/regs-watchdog.h @@ -14,11 +14,11 @@ #ifndef __ASM_ARCH_REGS_WATCHDOG_H #define __ASM_ARCH_REGS_WATCHDOG_H "$Id: watchdog.h,v 1.2 2003/04/29 13:31:09 ben Exp $" -#define S3C2410_WDOGREG(x) ((x) + S3C24XX_VA_WATCHDOG) +#define S3C_WDOGREG(x) ((x) + S3C_VA_WATCHDOG) -#define S3C2410_WTCON S3C2410_WDOGREG(0x00) -#define S3C2410_WTDAT S3C2410_WDOGREG(0x04) -#define S3C2410_WTCNT S3C2410_WDOGREG(0x08) +#define S3C2410_WTCON S3C_WDOGREG(0x00) +#define S3C2410_WTDAT S3C_WDOGREG(0x04) +#define S3C2410_WTCNT S3C_WDOGREG(0x08) /* the watchdog can either generate a reset pulse, or an * interrupt. diff --git a/include/asm-arm/plat-s3c/uncompress.h b/include/asm-arm/plat-s3c/uncompress.h new file mode 100644 index 000000000000..b5e6208175d1 --- /dev/null +++ b/include/asm-arm/plat-s3c/uncompress.h @@ -0,0 +1,155 @@ +/* linux/include/asm-arm/plat-s3c/uncompress.h + * + * Copyright 2003, 2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C - uncompress code + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_PLAT_UNCOMPRESS_H +#define __ASM_PLAT_UNCOMPRESS_H + +typedef unsigned int upf_t; /* cannot include linux/serial_core.h */ + +/* uart setup */ + +static unsigned int fifo_mask; +static unsigned int fifo_max; + +/* forward declerations */ + +static void arch_detect_cpu(void); + +/* defines for UART registers */ + +#include "asm/plat-s3c/regs-serial.h" +#include "asm/plat-s3c/regs-watchdog.h" + +/* working in physical space... */ +#undef S3C2410_WDOGREG +#define S3C2410_WDOGREG(x) ((S3C24XX_PA_WATCHDOG + (x))) + +/* how many bytes we allow into the FIFO at a time in FIFO mode */ +#define FIFO_MAX (14) + +#define uart_base S3C24XX_PA_UART + (0x4000*CONFIG_S3C_LOWLEVEL_UART_PORT) + +static __inline__ void +uart_wr(unsigned int reg, unsigned int val) +{ + volatile unsigned int *ptr; + + ptr = (volatile unsigned int *)(reg + uart_base); + *ptr = val; +} + +static __inline__ unsigned int +uart_rd(unsigned int reg) +{ + volatile unsigned int *ptr; + + ptr = (volatile unsigned int *)(reg + uart_base); + return *ptr; +} + +/* we can deal with the case the UARTs are being run + * in FIFO mode, so that we don't hold up our execution + * waiting for tx to happen... +*/ + +static void putc(int ch) +{ + if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) { + int level; + + while (1) { + level = uart_rd(S3C2410_UFSTAT); + level &= fifo_mask; + + if (level < fifo_max) + break; + } + + } else { + /* not using fifos */ + + while ((uart_rd(S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE) != S3C2410_UTRSTAT_TXE) + barrier(); + } + + /* write byte to transmission register */ + uart_wr(S3C2410_UTXH, ch); +} + +static inline void flush(void) +{ +} + +#define __raw_writel(d,ad) do { *((volatile unsigned int *)(ad)) = (d); } while(0) + +/* CONFIG_S3C_BOOT_WATCHDOG + * + * Simple boot-time watchdog setup, to reboot the system if there is + * any problem with the boot process +*/ + +#ifdef CONFIG_S3C_BOOT_WATCHDOG + +#define WDOG_COUNT (0xff00) + +static inline void arch_decomp_wdog(void) +{ + __raw_writel(WDOG_COUNT, S3C2410_WTCNT); +} + +static void arch_decomp_wdog_start(void) +{ + __raw_writel(WDOG_COUNT, S3C2410_WTDAT); + __raw_writel(WDOG_COUNT, S3C2410_WTCNT); + __raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x80), S3C2410_WTCON); +} + +#else +#define arch_decomp_wdog_start() +#define arch_decomp_wdog() +#endif + +#ifdef CONFIG_S3C_BOOT_ERROR_RESET + +static void arch_decomp_error(const char *x) +{ + putstr("\n\n"); + putstr(x); + putstr("\n\n -- System resetting\n"); + + __raw_writel(0x4000, S3C2410_WTDAT); + __raw_writel(0x4000, S3C2410_WTCNT); + __raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x40), S3C2410_WTCON); + + while(1); +} + +#define arch_error arch_decomp_error +#endif + +static void error(char *err); + +static void +arch_decomp_setup(void) +{ + /* we may need to setup the uart(s) here if we are not running + * on an BAST... the BAST will have left the uarts configured + * after calling linux. + */ + + arch_detect_cpu(); + arch_decomp_wdog_start(); +} + + +#endif /* __ASM_PLAT_UNCOMPRESS_H */ diff --git a/include/asm-arm/arch-s3c2410/regs-iis.h b/include/asm-arm/plat-s3c24xx/regs-iis.h index eaf77916a602..eaf77916a602 100644 --- a/include/asm-arm/arch-s3c2410/regs-iis.h +++ b/include/asm-arm/plat-s3c24xx/regs-iis.h diff --git a/include/asm-arm/arch-s3c2410/regs-spi.h b/include/asm-arm/plat-s3c24xx/regs-spi.h index 4a499a138256..4a499a138256 100644 --- a/include/asm-arm/arch-s3c2410/regs-spi.h +++ b/include/asm-arm/plat-s3c24xx/regs-spi.h diff --git a/include/asm-arm/arch-s3c2410/regs-udc.h b/include/asm-arm/plat-s3c24xx/regs-udc.h index e1e9805d2d9a..e1e9805d2d9a 100644 --- a/include/asm-arm/arch-s3c2410/regs-udc.h +++ b/include/asm-arm/plat-s3c24xx/regs-udc.h diff --git a/include/asm-arm/arch-s3c2410/udc.h b/include/asm-arm/plat-s3c24xx/udc.h index b8aa6cb69b58..b8aa6cb69b58 100644 --- a/include/asm-arm/arch-s3c2410/udc.h +++ b/include/asm-arm/plat-s3c24xx/udc.h diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h index ee3d93c281d8..7aaa206cb54e 100644 --- a/include/asm-arm/ptrace.h +++ b/include/asm-arm/ptrace.h @@ -10,6 +10,8 @@ #ifndef __ASM_ARM_PTRACE_H #define __ASM_ARM_PTRACE_H +#include <asm/hwcap.h> + #define PTRACE_GETREGS 12 #define PTRACE_SETREGS 13 #define PTRACE_GETFPREGS 14 @@ -45,6 +47,7 @@ #define PSR_T_BIT 0x00000020 #define PSR_F_BIT 0x00000040 #define PSR_I_BIT 0x00000080 +#define PSR_A_BIT 0x00000100 #define PSR_J_BIT 0x01000000 #define PSR_Q_BIT 0x08000000 #define PSR_V_BIT 0x10000000 @@ -103,6 +106,10 @@ struct pt_regs { #define thumb_mode(regs) (0) #endif +#define isa_mode(regs) \ + ((((regs)->ARM_cpsr & PSR_J_BIT) >> 23) | \ + (((regs)->ARM_cpsr & PSR_T_BIT) >> 5)) + #define processor_mode(regs) \ ((regs)->ARM_cpsr & MODE_MASK) @@ -117,14 +124,17 @@ struct pt_regs { */ static inline int valid_user_regs(struct pt_regs *regs) { - if (user_mode(regs) && - (regs->ARM_cpsr & (PSR_F_BIT|PSR_I_BIT)) == 0) + if (user_mode(regs) && (regs->ARM_cpsr & PSR_I_BIT) == 0) { + regs->ARM_cpsr &= ~(PSR_F_BIT | PSR_A_BIT); return 1; + } /* * Force CPSR to something logical... */ - regs->ARM_cpsr &= PSR_f | PSR_s | PSR_x | PSR_T_BIT | MODE32_BIT; + regs->ARM_cpsr &= PSR_f | PSR_s | (PSR_x & ~PSR_A_BIT) | PSR_T_BIT | MODE32_BIT; + if (!(elf_hwcap & HWCAP_26BIT)) + regs->ARM_cpsr |= USR_MODE; return 0; } diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index 6f8e6a69dc5f..94ea8c6dc1a4 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -254,16 +254,6 @@ do { \ last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \ } while (0) -/* - * On SMP systems, when the scheduler does migration-cost autodetection, - * it needs a way to flush as much of the CPU's caches as possible. - * - * TODO: fill this in! - */ -static inline void sched_cacheflush(void) -{ -} - #if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110) /* * On the StrongARM, "swp" is terminally broken since it bypasses the diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h index eae85b09db2e..69c65d56a6ac 100644 --- a/include/asm-arm/thread_info.h +++ b/include/asm-arm/thread_info.h @@ -24,7 +24,6 @@ struct task_struct; struct exec_domain; -#include <asm/ptrace.h> #include <asm/types.h> #include <asm/domain.h> diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h index bfdbebebdc1b..d327b25c986c 100644 --- a/include/asm-arm/unistd.h +++ b/include/asm-arm/unistd.h @@ -441,7 +441,6 @@ /* * Unimplemented (or alternatively implemented) syscalls */ -#define __IGNORE_sync_file_range 1 #define __IGNORE_fadvise64_64 1 #endif /* __KERNEL__ */ diff --git a/include/asm-arm/vfp.h b/include/asm-arm/vfp.h index 14c5e0946c47..bd6be9d7f772 100644 --- a/include/asm-arm/vfp.h +++ b/include/asm-arm/vfp.h @@ -26,8 +26,8 @@ #define FPSID_REV_MASK (0xF << FPSID_REV_BIT) /* FPEXC bits */ -#define FPEXC_EXCEPTION (1<<31) -#define FPEXC_ENABLE (1<<30) +#define FPEXC_EX (1 << 31) +#define FPEXC_EN (1 << 30) /* FPSCR bits */ #define FPSCR_DEFAULT_NAN (1<<25) |