diff options
Diffstat (limited to 'arch/arm/mach-lpc32xx')
| -rw-r--r-- | arch/arm/mach-lpc32xx/Kconfig | 26 | ||||
| -rw-r--r-- | arch/arm/mach-lpc32xx/clock.c | 77 | ||||
| -rw-r--r-- | arch/arm/mach-lpc32xx/common.c | 188 | ||||
| -rw-r--r-- | arch/arm/mach-lpc32xx/common.h | 14 | ||||
| -rw-r--r-- | arch/arm/mach-lpc32xx/include/mach/i2c.h | 63 | ||||
| -rw-r--r-- | arch/arm/mach-lpc32xx/irq.c | 78 | ||||
| -rw-r--r-- | arch/arm/mach-lpc32xx/phy3250.c | 149 |
7 files changed, 158 insertions, 437 deletions
diff --git a/arch/arm/mach-lpc32xx/Kconfig b/arch/arm/mach-lpc32xx/Kconfig index 75946ac89ee9..e0b3eee83834 100644 --- a/arch/arm/mach-lpc32xx/Kconfig +++ b/arch/arm/mach-lpc32xx/Kconfig @@ -29,30 +29,4 @@ config ARCH_LPC32XX_UART6_SELECT endmenu -menu "LPC32XX chip components" - -config ARCH_LPC32XX_IRAM_FOR_NET - bool "Use IRAM for network buffers" - default y - help - Say Y here to use the LPC internal fast IRAM (i.e. 256KB SRAM) as - network buffer. If the total combined required buffer sizes is - larger than the size of IRAM, then SDRAM will be used instead. - - This can be enabled safely if the IRAM is not intended for other - uses. - -config ARCH_LPC32XX_MII_SUPPORT - bool "Check to enable MII support or leave disabled for RMII support" - help - Say Y here to enable MII support, or N for RMII support. Regardless of - which support is selected, the ethernet interface driver needs to be - selected in the device driver networking section. - - The PHY3250 reference board uses RMII, so users of this board should - say N. - -endmenu - endif - diff --git a/arch/arm/mach-lpc32xx/clock.c b/arch/arm/mach-lpc32xx/clock.c index 2fc24ca12054..f6a3ffec1f4b 100644 --- a/arch/arm/mach-lpc32xx/clock.c +++ b/arch/arm/mach-lpc32xx/clock.c @@ -1095,49 +1095,42 @@ struct clk *clk_get_parent(struct clk *clk) } EXPORT_SYMBOL(clk_get_parent); -#define _REGISTER_CLOCK(d, n, c) \ - { \ - .dev_id = (d), \ - .con_id = (n), \ - .clk = &(c), \ - }, - static struct clk_lookup lookups[] = { - _REGISTER_CLOCK(NULL, "osc_32KHz", osc_32KHz) - _REGISTER_CLOCK(NULL, "osc_pll397", osc_pll397) - _REGISTER_CLOCK(NULL, "osc_main", osc_main) - _REGISTER_CLOCK(NULL, "sys_ck", clk_sys) - _REGISTER_CLOCK(NULL, "arm_pll_ck", clk_armpll) - _REGISTER_CLOCK(NULL, "ck_pll5", clk_usbpll) - _REGISTER_CLOCK(NULL, "hclk_ck", clk_hclk) - _REGISTER_CLOCK(NULL, "pclk_ck", clk_pclk) - _REGISTER_CLOCK(NULL, "timer0_ck", clk_timer0) - _REGISTER_CLOCK(NULL, "timer1_ck", clk_timer1) - _REGISTER_CLOCK(NULL, "timer2_ck", clk_timer2) - _REGISTER_CLOCK(NULL, "timer3_ck", clk_timer3) - _REGISTER_CLOCK(NULL, "vfp9_ck", clk_vfp9) - _REGISTER_CLOCK(NULL, "clk_dmac", clk_dma) - _REGISTER_CLOCK("pnx4008-watchdog", NULL, clk_wdt) - _REGISTER_CLOCK(NULL, "uart3_ck", clk_uart3) - _REGISTER_CLOCK(NULL, "uart4_ck", clk_uart4) - _REGISTER_CLOCK(NULL, "uart5_ck", clk_uart5) - _REGISTER_CLOCK(NULL, "uart6_ck", clk_uart6) - _REGISTER_CLOCK("pnx-i2c.0", NULL, clk_i2c0) - _REGISTER_CLOCK("pnx-i2c.1", NULL, clk_i2c1) - _REGISTER_CLOCK("pnx-i2c.2", NULL, clk_i2c2) - _REGISTER_CLOCK("dev:ssp0", NULL, clk_ssp0) - _REGISTER_CLOCK("dev:ssp1", NULL, clk_ssp1) - _REGISTER_CLOCK("lpc32xx_keys.0", NULL, clk_kscan) - _REGISTER_CLOCK("lpc32xx-nand.0", "nand_ck", clk_nand) - _REGISTER_CLOCK("lpc32xx-adc", NULL, clk_adc) - _REGISTER_CLOCK(NULL, "i2s0_ck", clk_i2s0) - _REGISTER_CLOCK(NULL, "i2s1_ck", clk_i2s1) - _REGISTER_CLOCK("ts-lpc32xx", NULL, clk_tsc) - _REGISTER_CLOCK("dev:mmc0", NULL, clk_mmc) - _REGISTER_CLOCK("lpc-eth.0", NULL, clk_net) - _REGISTER_CLOCK("dev:clcd", NULL, clk_lcd) - _REGISTER_CLOCK("lpc32xx_udc", "ck_usbd", clk_usbd) - _REGISTER_CLOCK("lpc32xx_rtc", NULL, clk_rtc) + CLKDEV_INIT(NULL, "osc_32KHz", &osc_32KHz), + CLKDEV_INIT(NULL, "osc_pll397", &osc_pll397), + CLKDEV_INIT(NULL, "osc_main", &osc_main), + CLKDEV_INIT(NULL, "sys_ck", &clk_sys), + CLKDEV_INIT(NULL, "arm_pll_ck", &clk_armpll), + CLKDEV_INIT(NULL, "ck_pll5", &clk_usbpll), + CLKDEV_INIT(NULL, "hclk_ck", &clk_hclk), + CLKDEV_INIT(NULL, "pclk_ck", &clk_pclk), + CLKDEV_INIT(NULL, "timer0_ck", &clk_timer0), + CLKDEV_INIT(NULL, "timer1_ck", &clk_timer1), + CLKDEV_INIT(NULL, "timer2_ck", &clk_timer2), + CLKDEV_INIT(NULL, "timer3_ck", &clk_timer3), + CLKDEV_INIT(NULL, "vfp9_ck", &clk_vfp9), + CLKDEV_INIT("pl08xdmac", NULL, &clk_dma), + CLKDEV_INIT("4003c000.watchdog", NULL, &clk_wdt), + CLKDEV_INIT(NULL, "uart3_ck", &clk_uart3), + CLKDEV_INIT(NULL, "uart4_ck", &clk_uart4), + CLKDEV_INIT(NULL, "uart5_ck", &clk_uart5), + CLKDEV_INIT(NULL, "uart6_ck", &clk_uart6), + CLKDEV_INIT("400a0000.i2c", NULL, &clk_i2c0), + CLKDEV_INIT("400a8000.i2c", NULL, &clk_i2c1), + CLKDEV_INIT("31020300.i2c", NULL, &clk_i2c2), + CLKDEV_INIT("dev:ssp0", NULL, &clk_ssp0), + CLKDEV_INIT("dev:ssp1", NULL, &clk_ssp1), + CLKDEV_INIT("lpc32xx_keys.0", NULL, &clk_kscan), + CLKDEV_INIT("lpc32xx-nand.0", "nand_ck", &clk_nand), + CLKDEV_INIT("40048000.adc", NULL, &clk_adc), + CLKDEV_INIT(NULL, "i2s0_ck", &clk_i2s0), + CLKDEV_INIT(NULL, "i2s1_ck", &clk_i2s1), + CLKDEV_INIT("40048000.tsc", NULL, &clk_tsc), + CLKDEV_INIT("20098000.sd", NULL, &clk_mmc), + CLKDEV_INIT("31060000.ethernet", NULL, &clk_net), + CLKDEV_INIT("dev:clcd", NULL, &clk_lcd), + CLKDEV_INIT("31020000.usbd", "ck_usbd", &clk_usbd), + CLKDEV_INIT("lpc32xx_rtc", NULL, &clk_rtc), }; static int __init clk_init(void) diff --git a/arch/arm/mach-lpc32xx/common.c b/arch/arm/mach-lpc32xx/common.c index bbbf063a74c2..5c96057b6d78 100644 --- a/arch/arm/mach-lpc32xx/common.c +++ b/arch/arm/mach-lpc32xx/common.c @@ -27,186 +27,11 @@ #include <asm/mach/map.h> -#include <mach/i2c.h> #include <mach/hardware.h> #include <mach/platform.h> #include "common.h" /* - * Watchdog timer - */ -static struct resource watchdog_resources[] = { - [0] = { - .start = LPC32XX_WDTIM_BASE, - .end = LPC32XX_WDTIM_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -struct platform_device lpc32xx_watchdog_device = { - .name = "pnx4008-watchdog", - .id = -1, - .num_resources = ARRAY_SIZE(watchdog_resources), - .resource = watchdog_resources, -}; - -/* - * I2C busses - */ -static struct i2c_pnx_data i2c0_data = { - .name = I2C_CHIP_NAME "1", - .base = LPC32XX_I2C1_BASE, - .irq = IRQ_LPC32XX_I2C_1, -}; - -static struct i2c_pnx_data i2c1_data = { - .name = I2C_CHIP_NAME "2", - .base = LPC32XX_I2C2_BASE, - .irq = IRQ_LPC32XX_I2C_2, -}; - -static struct i2c_pnx_data i2c2_data = { - .name = "USB-I2C", - .base = LPC32XX_OTG_I2C_BASE, - .irq = IRQ_LPC32XX_USB_I2C, -}; - -struct platform_device lpc32xx_i2c0_device = { - .name = "pnx-i2c", - .id = 0, - .dev = { - .platform_data = &i2c0_data, - }, -}; - -struct platform_device lpc32xx_i2c1_device = { - .name = "pnx-i2c", - .id = 1, - .dev = { - .platform_data = &i2c1_data, - }, -}; - -struct platform_device lpc32xx_i2c2_device = { - .name = "pnx-i2c", - .id = 2, - .dev = { - .platform_data = &i2c2_data, - }, -}; - -/* TSC (Touch Screen Controller) */ - -static struct resource lpc32xx_tsc_resources[] = { - { - .start = LPC32XX_ADC_BASE, - .end = LPC32XX_ADC_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_LPC32XX_TS_IRQ, - .end = IRQ_LPC32XX_TS_IRQ, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device lpc32xx_tsc_device = { - .name = "ts-lpc32xx", - .id = -1, - .num_resources = ARRAY_SIZE(lpc32xx_tsc_resources), - .resource = lpc32xx_tsc_resources, -}; - -/* RTC */ - -static struct resource lpc32xx_rtc_resources[] = { - { - .start = LPC32XX_RTC_BASE, - .end = LPC32XX_RTC_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - },{ - .start = IRQ_LPC32XX_RTC, - .end = IRQ_LPC32XX_RTC, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device lpc32xx_rtc_device = { - .name = "rtc-lpc32xx", - .id = -1, - .num_resources = ARRAY_SIZE(lpc32xx_rtc_resources), - .resource = lpc32xx_rtc_resources, -}; - -/* - * ADC support - */ -static struct resource adc_resources[] = { - { - .start = LPC32XX_ADC_BASE, - .end = LPC32XX_ADC_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_LPC32XX_TS_IRQ, - .end = IRQ_LPC32XX_TS_IRQ, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device lpc32xx_adc_device = { - .name = "lpc32xx-adc", - .id = -1, - .num_resources = ARRAY_SIZE(adc_resources), - .resource = adc_resources, -}; - -/* - * USB support - */ -/* The dmamask must be set for OHCI to work */ -static u64 ohci_dmamask = ~(u32) 0; -static struct resource ohci_resources[] = { - { - .start = IO_ADDRESS(LPC32XX_USB_BASE), - .end = IO_ADDRESS(LPC32XX_USB_BASE + 0x100 - 1), - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_LPC32XX_USB_HOST, - .flags = IORESOURCE_IRQ, - }, -}; -struct platform_device lpc32xx_ohci_device = { - .name = "usb-ohci", - .id = -1, - .dev = { - .dma_mask = &ohci_dmamask, - .coherent_dma_mask = 0xFFFFFFFF, - }, - .num_resources = ARRAY_SIZE(ohci_resources), - .resource = ohci_resources, -}; - -/* - * Network Support - */ -static struct resource net_resources[] = { - [0] = DEFINE_RES_MEM(LPC32XX_ETHERNET_BASE, SZ_4K), - [1] = DEFINE_RES_MEM(LPC32XX_IRAM_BASE, SZ_128K), - [2] = DEFINE_RES_IRQ(IRQ_LPC32XX_ETHERNET), -}; - -static u64 lpc32xx_mac_dma_mask = 0xffffffffUL; -struct platform_device lpc32xx_net_device = { - .name = "lpc-eth", - .id = 0, - .dev = { - .dma_mask = &lpc32xx_mac_dma_mask, - .coherent_dma_mask = 0xffffffffUL, - }, - .num_resources = ARRAY_SIZE(net_resources), - .resource = net_resources, -}; - -/* * Returns the unique ID for the device */ void lpc32xx_get_uid(u32 devid[4]) @@ -398,3 +223,16 @@ void lpc23xx_restart(char mode, const char *cmd) while (1) ; } + +static int __init lpc32xx_display_uid(void) +{ + u32 uid[4]; + + lpc32xx_get_uid(uid); + + printk(KERN_INFO "LPC32XX unique ID: %08x%08x%08x%08x\n", + uid[3], uid[2], uid[1], uid[0]); + + return 1; +} +arch_initcall(lpc32xx_display_uid); diff --git a/arch/arm/mach-lpc32xx/common.h b/arch/arm/mach-lpc32xx/common.h index 68e45e8c9486..afeac3b1fae6 100644 --- a/arch/arm/mach-lpc32xx/common.h +++ b/arch/arm/mach-lpc32xx/common.h @@ -23,26 +23,12 @@ #include <linux/platform_device.h> /* - * Arch specific platform device structures - */ -extern struct platform_device lpc32xx_watchdog_device; -extern struct platform_device lpc32xx_i2c0_device; -extern struct platform_device lpc32xx_i2c1_device; -extern struct platform_device lpc32xx_i2c2_device; -extern struct platform_device lpc32xx_tsc_device; -extern struct platform_device lpc32xx_adc_device; -extern struct platform_device lpc32xx_rtc_device; -extern struct platform_device lpc32xx_ohci_device; -extern struct platform_device lpc32xx_net_device; - -/* * Other arch specific structures and functions */ extern struct sys_timer lpc32xx_timer; extern void __init lpc32xx_init_irq(void); extern void __init lpc32xx_map_io(void); extern void __init lpc32xx_serial_init(void); -extern void __init lpc32xx_gpio_init(void); extern void lpc23xx_restart(char, const char *); diff --git a/arch/arm/mach-lpc32xx/include/mach/i2c.h b/arch/arm/mach-lpc32xx/include/mach/i2c.h deleted file mode 100644 index 034dc9286bcc..000000000000 --- a/arch/arm/mach-lpc32xx/include/mach/i2c.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * PNX4008-specific tweaks for I2C IP3204 block - * - * Author: Vitaly Wool <vwool@ru.mvista.com> - * - * 2005 (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_I2C_H -#define __ASM_ARCH_I2C_H - -enum { - mstatus_tdi = 0x00000001, - mstatus_afi = 0x00000002, - mstatus_nai = 0x00000004, - mstatus_drmi = 0x00000008, - mstatus_active = 0x00000020, - mstatus_scl = 0x00000040, - mstatus_sda = 0x00000080, - mstatus_rff = 0x00000100, - mstatus_rfe = 0x00000200, - mstatus_tff = 0x00000400, - mstatus_tfe = 0x00000800, -}; - -enum { - mcntrl_tdie = 0x00000001, - mcntrl_afie = 0x00000002, - mcntrl_naie = 0x00000004, - mcntrl_drmie = 0x00000008, - mcntrl_daie = 0x00000020, - mcntrl_rffie = 0x00000040, - mcntrl_tffie = 0x00000080, - mcntrl_reset = 0x00000100, - mcntrl_cdbmode = 0x00000400, -}; - -enum { - rw_bit = 1 << 0, - start_bit = 1 << 8, - stop_bit = 1 << 9, -}; - -#define I2C_REG_RX(a) ((a)->ioaddr) /* Rx FIFO reg (RO) */ -#define I2C_REG_TX(a) ((a)->ioaddr) /* Tx FIFO reg (WO) */ -#define I2C_REG_STS(a) ((a)->ioaddr + 0x04) /* Status reg (RO) */ -#define I2C_REG_CTL(a) ((a)->ioaddr + 0x08) /* Ctl reg */ -#define I2C_REG_CKL(a) ((a)->ioaddr + 0x0c) /* Clock divider low */ -#define I2C_REG_CKH(a) ((a)->ioaddr + 0x10) /* Clock divider high */ -#define I2C_REG_ADR(a) ((a)->ioaddr + 0x14) /* I2C address */ -#define I2C_REG_RFL(a) ((a)->ioaddr + 0x18) /* Rx FIFO level (RO) */ -#define I2C_REG_TFL(a) ((a)->ioaddr + 0x1c) /* Tx FIFO level (RO) */ -#define I2C_REG_RXB(a) ((a)->ioaddr + 0x20) /* Num of bytes Rx-ed (RO) */ -#define I2C_REG_TXB(a) ((a)->ioaddr + 0x24) /* Num of bytes Tx-ed (RO) */ -#define I2C_REG_TXS(a) ((a)->ioaddr + 0x28) /* Tx slave FIFO (RO) */ -#define I2C_REG_STFL(a) ((a)->ioaddr + 0x2c) /* Tx slave FIFO level (RO) */ - -#define I2C_CHIP_NAME "PNX4008-I2C" - -#endif /* __ASM_ARCH_I2C_H */ diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c index d080cb1123dd..5b1cc35e6fba 100644 --- a/arch/arm/mach-lpc32xx/irq.c +++ b/arch/arm/mach-lpc32xx/irq.c @@ -22,6 +22,11 @@ #include <linux/irq.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/irqdomain.h> +#include <linux/module.h> #include <mach/irqs.h> #include <mach/hardware.h> @@ -44,6 +49,9 @@ #define SIC1_ATR_DEFAULT 0x00026000 #define SIC2_ATR_DEFAULT 0x00000000 +static struct irq_domain *lpc32xx_mic_domain; +static struct device_node *lpc32xx_mic_np; + struct lpc32xx_event_group_regs { void __iomem *enab_reg; void __iomem *edge_reg; @@ -203,7 +211,7 @@ static void lpc32xx_mask_irq(struct irq_data *d) { unsigned int reg, ctrl, mask; - get_controller(d->irq, &ctrl, &mask); + get_controller(d->hwirq, &ctrl, &mask); reg = __raw_readl(LPC32XX_INTC_MASK(ctrl)) & ~mask; __raw_writel(reg, LPC32XX_INTC_MASK(ctrl)); @@ -213,7 +221,7 @@ static void lpc32xx_unmask_irq(struct irq_data *d) { unsigned int reg, ctrl, mask; - get_controller(d->irq, &ctrl, &mask); + get_controller(d->hwirq, &ctrl, &mask); reg = __raw_readl(LPC32XX_INTC_MASK(ctrl)) | mask; __raw_writel(reg, LPC32XX_INTC_MASK(ctrl)); @@ -223,14 +231,14 @@ static void lpc32xx_ack_irq(struct irq_data *d) { unsigned int ctrl, mask; - get_controller(d->irq, &ctrl, &mask); + get_controller(d->hwirq, &ctrl, &mask); __raw_writel(mask, LPC32XX_INTC_RAW_STAT(ctrl)); /* Also need to clear pending wake event */ - if (lpc32xx_events[d->irq].mask != 0) - __raw_writel(lpc32xx_events[d->irq].mask, - lpc32xx_events[d->irq].event_group->rawstat_reg); + if (lpc32xx_events[d->hwirq].mask != 0) + __raw_writel(lpc32xx_events[d->hwirq].mask, + lpc32xx_events[d->hwirq].event_group->rawstat_reg); } static void __lpc32xx_set_irq_type(unsigned int irq, int use_high_level, @@ -274,22 +282,22 @@ static int lpc32xx_set_irq_type(struct irq_data *d, unsigned int type) switch (type) { case IRQ_TYPE_EDGE_RISING: /* Rising edge sensitive */ - __lpc32xx_set_irq_type(d->irq, 1, 1); + __lpc32xx_set_irq_type(d->hwirq, 1, 1); break; case IRQ_TYPE_EDGE_FALLING: /* Falling edge sensitive */ - __lpc32xx_set_irq_type(d->irq, 0, 1); + __lpc32xx_set_irq_type(d->hwirq, 0, 1); break; case IRQ_TYPE_LEVEL_LOW: /* Low level sensitive */ - __lpc32xx_set_irq_type(d->irq, 0, 0); + __lpc32xx_set_irq_type(d->hwirq, 0, 0); break; case IRQ_TYPE_LEVEL_HIGH: /* High level sensitive */ - __lpc32xx_set_irq_type(d->irq, 1, 0); + __lpc32xx_set_irq_type(d->hwirq, 1, 0); break; /* Other modes are not supported */ @@ -298,7 +306,7 @@ static int lpc32xx_set_irq_type(struct irq_data *d, unsigned int type) } /* Ok to use the level handler for all types */ - irq_set_handler(d->irq, handle_level_irq); + irq_set_handler(d->hwirq, handle_level_irq); return 0; } @@ -307,33 +315,33 @@ static int lpc32xx_irq_wake(struct irq_data *d, unsigned int state) { unsigned long eventreg; - if (lpc32xx_events[d->irq].mask != 0) { - eventreg = __raw_readl(lpc32xx_events[d->irq]. + if (lpc32xx_events[d->hwirq].mask != 0) { + eventreg = __raw_readl(lpc32xx_events[d->hwirq]. event_group->enab_reg); if (state) - eventreg |= lpc32xx_events[d->irq].mask; + eventreg |= lpc32xx_events[d->hwirq].mask; else { - eventreg &= ~lpc32xx_events[d->irq].mask; + eventreg &= ~lpc32xx_events[d->hwirq].mask; /* * When disabling the wakeup, clear the latched * event */ - __raw_writel(lpc32xx_events[d->irq].mask, - lpc32xx_events[d->irq]. + __raw_writel(lpc32xx_events[d->hwirq].mask, + lpc32xx_events[d->hwirq]. event_group->rawstat_reg); } __raw_writel(eventreg, - lpc32xx_events[d->irq].event_group->enab_reg); + lpc32xx_events[d->hwirq].event_group->enab_reg); return 0; } /* Clear event */ - __raw_writel(lpc32xx_events[d->irq].mask, - lpc32xx_events[d->irq].event_group->rawstat_reg); + __raw_writel(lpc32xx_events[d->hwirq].mask, + lpc32xx_events[d->hwirq].event_group->rawstat_reg); return -ENODEV; } @@ -353,6 +361,7 @@ static void __init lpc32xx_set_default_mappings(unsigned int apr, } static struct irq_chip lpc32xx_irq_chip = { + .name = "MIC", .irq_ack = lpc32xx_ack_irq, .irq_mask = lpc32xx_mask_irq, .irq_unmask = lpc32xx_unmask_irq, @@ -386,9 +395,23 @@ static void lpc32xx_sic2_handler(unsigned int irq, struct irq_desc *desc) } } +static int __init __lpc32xx_mic_of_init(struct device_node *node, + struct device_node *parent) +{ + lpc32xx_mic_np = node; + + return 0; +} + +static const struct of_device_id mic_of_match[] __initconst = { + { .compatible = "nxp,lpc3220-mic", .data = __lpc32xx_mic_of_init }, + { } +}; + void __init lpc32xx_init_irq(void) { unsigned int i; + int irq_base; /* Setup MIC */ __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_MIC_BASE)); @@ -448,4 +471,19 @@ void __init lpc32xx_init_irq(void) LPC32XX_CLKPWR_PIN_RS); __raw_writel(__raw_readl(LPC32XX_CLKPWR_INT_RS), LPC32XX_CLKPWR_INT_RS); + + of_irq_init(mic_of_match); + + irq_base = irq_alloc_descs(-1, 0, NR_IRQS, 0); + if (irq_base < 0) { + pr_warn("Cannot allocate irq_descs, assuming pre-allocated\n"); + irq_base = 0; + } + + lpc32xx_mic_domain = irq_domain_add_legacy(lpc32xx_mic_np, NR_IRQS, + irq_base, 0, + &irq_domain_simple_ops, + NULL); + if (!lpc32xx_mic_domain) + panic("Unable to add MIC irq domain\n"); } diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c index 7f7401ec7487..540106cdb9ec 100644 --- a/arch/arm/mach-lpc32xx/phy3250.c +++ b/arch/arm/mach-lpc32xx/phy3250.c @@ -1,8 +1,9 @@ /* - * arch/arm/mach-lpc32xx/phy3250.c + * Platform support for LPC32xx SoC * * Author: Kevin Wells <kevin.wells@nxp.com> * + * Copyright (C) 2012 Roland Stigge <stigge@antcom.de> * Copyright (C) 2010 NXP Semiconductors * * This program is free software; you can redistribute it and/or modify @@ -25,11 +26,16 @@ #include <linux/device.h> #include <linux/spi/spi.h> #include <linux/spi/eeprom.h> -#include <linux/leds.h> #include <linux/gpio.h> #include <linux/amba/bus.h> #include <linux/amba/clcd.h> #include <linux/amba/pl022.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/clk.h> +#include <linux/amba/pl08x.h> #include <asm/setup.h> #include <asm/mach-types.h> @@ -47,7 +53,6 @@ #define SPI0_CS_GPIO LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5) #define LCD_POWER_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 0) #define BKL_POWER_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 4) -#define LED_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 1) /* * AMBA LCD controller @@ -150,9 +155,6 @@ static struct clcd_board lpc32xx_clcd_data = { .remove = lpc32xx_clcd_remove, }; -static AMBA_AHB_DEVICE(lpc32xx_clcd, "dev:clcd", 0, - LPC32XX_LCD_BASE, { IRQ_LPC32XX_LCD }, &lpc32xx_clcd_data); - /* * AMBA SSP (SPI) */ @@ -180,8 +182,11 @@ static struct pl022_ssp_controller lpc32xx_ssp0_data = { .enable_dma = 0, }; -static AMBA_APB_DEVICE(lpc32xx_ssp0, "dev:ssp0", 0, - LPC32XX_SSP0_BASE, { IRQ_LPC32XX_SSP0 }, &lpc32xx_ssp0_data); +static struct pl022_ssp_controller lpc32xx_ssp1_data = { + .bus_id = 1, + .num_chipselect = 1, + .enable_dma = 0, +}; /* AT25 driver registration */ static int __init phy3250_spi_board_register(void) @@ -221,73 +226,20 @@ static int __init phy3250_spi_board_register(void) } arch_initcall(phy3250_spi_board_register); -static struct i2c_board_info __initdata phy3250_i2c_board_info[] = { - { - I2C_BOARD_INFO("pcf8563", 0x51), - }, -}; - -static struct gpio_led phy_leds[] = { - { - .name = "led0", - .gpio = LED_GPIO, - .active_low = 1, - .default_trigger = "heartbeat", - }, -}; - -static struct gpio_led_platform_data led_data = { - .leds = phy_leds, - .num_leds = ARRAY_SIZE(phy_leds), -}; - -static struct platform_device lpc32xx_gpio_led_device = { - .name = "leds-gpio", - .id = -1, - .dev.platform_data = &led_data, +static struct pl08x_platform_data pl08x_pd = { }; -static struct platform_device *phy3250_devs[] __initdata = { - &lpc32xx_rtc_device, - &lpc32xx_tsc_device, - &lpc32xx_i2c0_device, - &lpc32xx_i2c1_device, - &lpc32xx_i2c2_device, - &lpc32xx_watchdog_device, - &lpc32xx_gpio_led_device, - &lpc32xx_adc_device, - &lpc32xx_ohci_device, - &lpc32xx_net_device, +static const struct of_dev_auxdata lpc32xx_auxdata_lookup[] __initconst = { + OF_DEV_AUXDATA("arm,pl022", 0x20084000, "dev:ssp0", &lpc32xx_ssp0_data), + OF_DEV_AUXDATA("arm,pl022", 0x2008C000, "dev:ssp1", &lpc32xx_ssp1_data), + OF_DEV_AUXDATA("arm,pl110", 0x31040000, "dev:clcd", &lpc32xx_clcd_data), + OF_DEV_AUXDATA("arm,pl080", 0x31000000, "pl08xdmac", &pl08x_pd), + { } }; -static struct amba_device *amba_devs[] __initdata = { - &lpc32xx_clcd_device, - &lpc32xx_ssp0_device, -}; - -/* - * Board specific functions - */ -static void __init phy3250_board_init(void) +static void __init lpc3250_machine_init(void) { u32 tmp; - int i; - - lpc32xx_gpio_init(); - - /* Register GPIOs used on this board */ - if (gpio_request(SPI0_CS_GPIO, "spi0 cs")) - printk(KERN_ERR "Error requesting gpio %u", - SPI0_CS_GPIO); - else if (gpio_direction_output(SPI0_CS_GPIO, 1)) - printk(KERN_ERR "Error setting gpio %u to output", - SPI0_CS_GPIO); - - /* Setup network interface for RMII mode */ - tmp = __raw_readl(LPC32XX_CLKPWR_MACCLK_CTRL); - tmp &= ~LPC32XX_CLKPWR_MACCTRL_PINS_MSK; - tmp |= LPC32XX_CLKPWR_MACCTRL_USE_RMII_PINS; - __raw_writel(tmp, LPC32XX_CLKPWR_MACCLK_CTRL); /* Setup SLC NAND controller muxing */ __raw_writel(LPC32XX_CLKPWR_NANDCLK_SEL_SLC, @@ -300,6 +252,12 @@ static void __init phy3250_board_init(void) tmp |= LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_TFT16; __raw_writel(tmp, LPC32XX_CLKPWR_LCDCLK_CTRL); + /* Set up USB power */ + tmp = __raw_readl(LPC32XX_CLKPWR_USB_CTRL); + tmp |= LPC32XX_CLKPWR_USBCTRL_HCLK_EN | + LPC32XX_CLKPWR_USBCTRL_USBI2C_EN; + __raw_writel(tmp, LPC32XX_CLKPWR_USB_CTRL); + /* Set up I2C pull levels */ tmp = __raw_readl(LPC32XX_CLKPWR_I2C_CLK_CTRL); tmp |= LPC32XX_CLKPWR_I2CCLK_USBI2CHI_DRIVE | @@ -321,54 +279,51 @@ static void __init phy3250_board_init(void) /* * AMBA peripheral clocks need to be enabled prior to AMBA device * detection or a data fault will occur, so enable the clocks - * here. However, we don't want to enable them if the peripheral - * isn't included in the image + * here. */ -#ifdef CONFIG_FB_ARMCLCD tmp = __raw_readl(LPC32XX_CLKPWR_LCDCLK_CTRL); __raw_writel((tmp | LPC32XX_CLKPWR_LCDCTRL_CLK_EN), LPC32XX_CLKPWR_LCDCLK_CTRL); -#endif -#ifdef CONFIG_SPI_PL022 + tmp = __raw_readl(LPC32XX_CLKPWR_SSP_CLK_CTRL); __raw_writel((tmp | LPC32XX_CLKPWR_SSPCTRL_SSPCLK0_EN), LPC32XX_CLKPWR_SSP_CLK_CTRL); -#endif - platform_add_devices(phy3250_devs, ARRAY_SIZE(phy3250_devs)); - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } + tmp = __raw_readl(LPC32XX_CLKPWR_DMA_CLK_CTRL); + __raw_writel((tmp | LPC32XX_CLKPWR_DMACLKCTRL_CLK_EN), + LPC32XX_CLKPWR_DMA_CLK_CTRL); /* Test clock needed for UDA1380 initial init */ __raw_writel(LPC32XX_CLKPWR_TESTCLK2_SEL_MOSC | LPC32XX_CLKPWR_TESTCLK_TESTCLK2_EN, LPC32XX_CLKPWR_TEST_CLK_SEL); - i2c_register_board_info(0, phy3250_i2c_board_info, - ARRAY_SIZE(phy3250_i2c_board_info)); -} - -static int __init lpc32xx_display_uid(void) -{ - u32 uid[4]; - - lpc32xx_get_uid(uid); - - printk(KERN_INFO "LPC32XX unique ID: %08x%08x%08x%08x\n", - uid[3], uid[2], uid[1], uid[0]); + of_platform_populate(NULL, of_default_bus_match_table, + lpc32xx_auxdata_lookup, NULL); - return 1; + /* Register GPIOs used on this board */ + if (gpio_request(SPI0_CS_GPIO, "spi0 cs")) + printk(KERN_ERR "Error requesting gpio %u", + SPI0_CS_GPIO); + else if (gpio_direction_output(SPI0_CS_GPIO, 1)) + printk(KERN_ERR "Error setting gpio %u to output", + SPI0_CS_GPIO); } -arch_initcall(lpc32xx_display_uid); -MACHINE_START(PHY3250, "Phytec 3250 board with the LPC3250 Microcontroller") - /* Maintainer: Kevin Wells, NXP Semiconductors */ +static char const *lpc32xx_dt_compat[] __initdata = { + "nxp,lpc3220", + "nxp,lpc3230", + "nxp,lpc3240", + "nxp,lpc3250", + NULL +}; + +DT_MACHINE_START(LPC32XX_DT, "LPC32XX SoC (Flattened Device Tree)") .atag_offset = 0x100, .map_io = lpc32xx_map_io, .init_irq = lpc32xx_init_irq, .timer = &lpc32xx_timer, - .init_machine = phy3250_board_init, + .init_machine = lpc3250_machine_init, + .dt_compat = lpc32xx_dt_compat, .restart = lpc23xx_restart, MACHINE_END |