From ddbf5654b494bfd9831ad7024c04f4ba53583a94 Mon Sep 17 00:00:00 2001 From: Sandeep Patil Date: Tue, 21 Oct 2008 14:06:23 +0100 Subject: [ARM] S3C24A0: arch/arm/mach-s3c24a0/include/mach header files Add initial arch/arm/mach-s3c24a0/include/mach header files for supporting Samsung S3C24A0 SoC. Signed-off-by: Sandeep Patil Signed-off-by: Ben Dooks --- arch/arm/mach-s3c24a0/include/mach/map.h | 78 ++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 arch/arm/mach-s3c24a0/include/mach/map.h (limited to 'arch/arm/mach-s3c24a0/include/mach/map.h') diff --git a/arch/arm/mach-s3c24a0/include/mach/map.h b/arch/arm/mach-s3c24a0/include/mach/map.h new file mode 100644 index 000000000000..65a146fd78ec --- /dev/null +++ b/arch/arm/mach-s3c24a0/include/mach/map.h @@ -0,0 +1,78 @@ +/* linux/arch/arm/mach-s3c24a0/include/mach/map.h + * + * Copyright 2003,2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C24A0 - 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. +*/ + +#ifndef __ASM_ARCH_24A0_MAP_H +#define __ASM_ARCH_24A0_MAP_H __FILE__ + +#define S3C24A0_PA_IO_BASE (0x40000000) +#define S3C24A0_PA_CLKPWR (0x40000000) +#define S3C24A0_PA_IRQ (0x40200000) +#define S3C24A0_PA_DMA (0x40400000) +#define S3C24A0_PA_MEMCTRL (0x40C00000) +#define S3C24A0_PA_NAND (0x40C00000) +#define S3C24A0_PA_SROM (0x40C20000) +#define S3C24A0_PA_SDRAM (0x40C40000) +#define S3C24A0_PA_BUSM (0x40CE0000) +#define S3C24A0_PA_USBHOST (0x41000000) +#define S3C24A0_PA_MODEMIF (0x41180000) +#define S3C24A0_PA_IRDA (0x41800000) +#define S3C24A0_PA_TIMER (0x44000000) +#define S3C24A0_PA_WATCHDOG (0x44100000) +#define S3C24A0_PA_RTC (0x44200000) +#define S3C24A0_PA_UART (0x44400000) +#define S3C24A0_PA_UART0 (S3C24A0_PA_UART) +#define S3C24A0_PA_UART1 (S3C24A0_PA_UART + 0x4000) +#define S3C24A0_PA_SPI (0x44500000) +#define S3C24A0_PA_IIC (0x44600000) +#define S3C24A0_PA_IIS (0x44700000) +#define S3C24A0_PA_GPIO (0x44800000) +#define S3C24A0_PA_KEYIF (0x44900000) +#define S3C24A0_PA_USBDEV (0x44A00000) +#define S3C24A0_PA_AC97 (0x45000000) +#define S3C24A0_PA_ADC (0x45800000) +#define S3C24A0_PA_SDI (0x46000000) +#define S3C24A0_PA_MS (0x46100000) +#define S3C24A0_PA_LCD (0x4A000000) +#define S3C24A0_PA_VPOST (0x4A100000) + +/* physical addresses of all the chip-select areas */ + +#define S3C24A0_CS0 (0x00000000) +#define S3C24A0_CS1 (0x04000000) +#define S3C24A0_CS2 (0x08000000) +#define S3C24A0_CS3 (0x0C000000) +#define S3C24A0_CS4 (0x10000000) +#define S3C24A0_CS5 (0x40000000) + +#define S3C24A0_SDRAM_PA (S3C24A0_CS4) + +/* Use a single interface for common resources between S3C24XX cpus */ + +#define S3C24XX_PA_IRQ S3C24A0_PA_IRQ +#define S3C24XX_PA_MEMCTRL S3C24A0_PA_MEMCTRL +#define S3C24XX_PA_USBHOST S3C24A0_PA_USBHOST +#define S3C24XX_PA_DMA S3C24A0_PA_DMA +#define S3C24XX_PA_CLKPWR S3C24A0_PA_CLKPWR +#define S3C24XX_PA_LCD S3C24A0_PA_LCD +#define S3C24XX_PA_UART S3C24A0_PA_UART +#define S3C24XX_PA_TIMER S3C24A0_PA_TIMER +#define S3C24XX_PA_USBDEV S3C24A0_PA_USBDEV +#define S3C24XX_PA_WATCHDOG S3C24A0_PA_WATCHDOG +#define S3C24XX_PA_IIC S3C24A0_PA_IIC +#define S3C24XX_PA_IIS S3C24A0_PA_IIS +#define S3C24XX_PA_GPIO S3C24A0_PA_GPIO +#define S3C24XX_PA_RTC S3C24A0_PA_RTC +#define S3C24XX_PA_ADC S3C24A0_PA_ADC +#define S3C24XX_PA_SPI S3C24A0_PA_SPI + +#endif /* __ASM_ARCH_24A0_MAP_H */ -- cgit v1.2.3 From ce46a9c497ed788146449c230765ee5d6dd3cb53 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Tue, 21 Oct 2008 14:06:26 +0100 Subject: [ARM] S3C24XX: Split map.h into plat-s3c24xx and mach-s3c2410 Split the map.h definitions into common S3C24XX code by adding arch/arm/plat-s3c24xx/include/plat/map.h and altering the machine specific header for the S3C24A0. As we add a new we move the original one in arch/arm/plat-s3c include directory to be called map-base.h to distinguish the two files. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2410/include/mach/map.h | 80 +------------------------ arch/arm/mach-s3c24a0/include/mach/map.h | 5 ++ arch/arm/plat-s3c/include/plat/map-base.h | 40 +++++++++++++ arch/arm/plat-s3c/include/plat/map.h | 40 ------------- arch/arm/plat-s3c24xx/devs.c | 8 +-- arch/arm/plat-s3c24xx/include/plat/map.h | 99 +++++++++++++++++++++++++++++++ 6 files changed, 151 insertions(+), 121 deletions(-) create mode 100644 arch/arm/plat-s3c/include/plat/map-base.h delete mode 100644 arch/arm/plat-s3c/include/plat/map.h create mode 100644 arch/arm/plat-s3c24xx/include/plat/map.h (limited to 'arch/arm/mach-s3c24a0/include/mach/map.h') diff --git a/arch/arm/mach-s3c2410/include/mach/map.h b/arch/arm/mach-s3c2410/include/mach/map.h index 6e08594d7162..6b30361a0805 100644 --- a/arch/arm/mach-s3c2410/include/mach/map.h +++ b/arch/arm/mach-s3c2410/include/mach/map.h @@ -13,34 +13,20 @@ #ifndef __ASM_ARCH_MAP_H #define __ASM_ARCH_MAP_H +#include #include #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 S3C_VA_IRQ -#define S3C2410_PA_IRQ (0x4A000000) -#define S3C24XX_SZ_IRQ SZ_1M - -/* memory controller registers */ -#define S3C24XX_VA_MEMCTRL S3C_VA_MEM -#define S3C2410_PA_MEMCTRL (0x48000000) -#define S3C24XX_SZ_MEMCTRL SZ_1M - /* USB host controller */ #define S3C2410_PA_USBHOST (0x49000000) -#define S3C24XX_SZ_USBHOST SZ_1M /* DMA controller */ #define S3C2410_PA_DMA (0x4B000000) #define S3C24XX_SZ_DMA SZ_1M /* Clock and Power management */ -#define S3C24XX_VA_CLKPWR S3C_VA_SYS #define S3C2410_PA_CLKPWR (0x4C000000) -#define S3C24XX_SZ_CLKPWR SZ_1M /* LCD controller */ #define S3C2410_PA_LCD (0x4D000000) @@ -48,48 +34,12 @@ /* NAND flash controller */ #define S3C2410_PA_NAND (0x4E000000) -#define S3C24XX_SZ_NAND SZ_1M - -/* UARTs */ -#define S3C24XX_VA_UART S3C_VA_UART -#define S3C2410_PA_UART (0x50000000) -#define S3C24XX_SZ_UART SZ_1M - -/* Timers */ -#define S3C24XX_VA_TIMER S3C_VA_TIMER -#define S3C2410_PA_TIMER (0x51000000) -#define S3C24XX_SZ_TIMER SZ_1M - -/* USB Device port */ -#define S3C2410_PA_USBDEV (0x52000000) -#define S3C24XX_SZ_USBDEV SZ_1M - -/* Watchdog */ -#define S3C24XX_VA_WATCHDOG S3C_VA_WATCHDOG -#define S3C2410_PA_WATCHDOG (0x53000000) -#define S3C24XX_SZ_WATCHDOG SZ_1M /* IIC hardware controller */ #define S3C2410_PA_IIC (0x54000000) -#define S3C24XX_SZ_IIC SZ_1M /* IIS controller */ #define S3C2410_PA_IIS (0x55000000) -#define S3C24XX_SZ_IIS SZ_1M - -/* GPIO ports */ - -/* the calculation for the VA of this must ensure that - * 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 - * 0xFA800000, which is not in the way of any current mapping - * by the base system. -*/ - -#define S3C2410_PA_GPIO (0x56000000) -#define S3C24XX_VA_GPIO ((S3C24XX_PA_GPIO - S3C24XX_PA_UART) + S3C24XX_VA_UART) -#define S3C24XX_SZ_GPIO SZ_1M /* RTC */ #define S3C2410_PA_RTC (0x57000000) @@ -97,15 +47,12 @@ /* ADC */ #define S3C2410_PA_ADC (0x58000000) -#define S3C24XX_SZ_ADC SZ_1M /* SPI */ #define S3C2410_PA_SPI (0x59000000) -#define S3C24XX_SZ_SPI SZ_1M /* SDI */ #define S3C2410_PA_SDI (0x5A000000) -#define S3C24XX_SZ_SDI SZ_1M /* CAMIF */ #define S3C2440_PA_CAMIF (0x4F000000) @@ -120,13 +67,6 @@ #define S3C2443_PA_HSMMC (0x4A800000) #define S3C2443_SZ_HSMMC (256) -/* ISA style IO, for each machine to sort out mappings for, if it - * implements it. We reserve two 16M regions for ISA. - */ - -#define S3C24XX_VA_ISA_WORD S3C2410_ADDR(0x02000000) -#define S3C24XX_VA_ISA_BYTE S3C2410_ADDR(0x03000000) - /* physical addresses of all the chip-select areas */ #define S3C2410_CS0 (0x00000000) @@ -158,21 +98,7 @@ #define S3C24XX_PA_RTC S3C2410_PA_RTC #define S3C24XX_PA_ADC S3C2410_PA_ADC #define S3C24XX_PA_SPI S3C2410_PA_SPI - -/* deal with the registers that move under the 2412/2413 */ - -#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) -#ifndef __ASSEMBLY__ -extern void __iomem *s3c24xx_va_gpio2; -#endif -#ifdef CONFIG_CPU_S3C2412_ONLY -#define S3C24XX_VA_GPIO2 (S3C24XX_VA_GPIO + 0x10) -#else -#define S3C24XX_VA_GPIO2 s3c24xx_va_gpio2 -#endif -#else -#define s3c24xx_va_gpio2 S3C24XX_VA_GPIO -#define S3C24XX_VA_GPIO2 S3C24XX_VA_GPIO -#endif +#define S3C24XX_PA_SDI S3C2410_PA_SDI +#define S3C24XX_PA_NAND S3C2410_PA_NAND #endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s3c24a0/include/mach/map.h b/arch/arm/mach-s3c24a0/include/mach/map.h index 65a146fd78ec..2ce1839de4ee 100644 --- a/arch/arm/mach-s3c24a0/include/mach/map.h +++ b/arch/arm/mach-s3c24a0/include/mach/map.h @@ -14,6 +14,9 @@ #ifndef __ASM_ARCH_24A0_MAP_H #define __ASM_ARCH_24A0_MAP_H __FILE__ +#include +#include + #define S3C24A0_PA_IO_BASE (0x40000000) #define S3C24A0_PA_CLKPWR (0x40000000) #define S3C24A0_PA_IRQ (0x40200000) @@ -74,5 +77,7 @@ #define S3C24XX_PA_RTC S3C24A0_PA_RTC #define S3C24XX_PA_ADC S3C24A0_PA_ADC #define S3C24XX_PA_SPI S3C24A0_PA_SPI +#define S3C24XX_PA_SDI S3C24A0_PA_SDI +#define S3C24XX_PA_NAND S3C24A0_PA_NAND #endif /* __ASM_ARCH_24A0_MAP_H */ diff --git a/arch/arm/plat-s3c/include/plat/map-base.h b/arch/arm/plat-s3c/include/plat/map-base.h new file mode 100644 index 000000000000..b84289d32a54 --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/map-base.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 + * + * 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(0x00000000) /* irq controller(s) */ +#define S3C_VA_SYS S3C_ADDR(0x00100000) /* system control */ +#define S3C_VA_MEM S3C_ADDR(0x00200000) /* system control */ +#define S3C_VA_TIMER S3C_ADDR(0x00300000) /* timer block */ +#define S3C_VA_WATCHDOG S3C_ADDR(0x00400000) /* watchdog */ +#define S3C_VA_UART S3C_ADDR(0x01000000) /* UART */ + +#endif /* __ASM_PLAT_MAP_H */ diff --git a/arch/arm/plat-s3c/include/plat/map.h b/arch/arm/plat-s3c/include/plat/map.h deleted file mode 100644 index b84289d32a54..000000000000 --- a/arch/arm/plat-s3c/include/plat/map.h +++ /dev/null @@ -1,40 +0,0 @@ -/* linux/include/asm-arm/plat-s3c/map.h - * - * Copyright 2003, 2007 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks - * - * 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(0x00000000) /* irq controller(s) */ -#define S3C_VA_SYS S3C_ADDR(0x00100000) /* system control */ -#define S3C_VA_MEM S3C_ADDR(0x00200000) /* system control */ -#define S3C_VA_TIMER S3C_ADDR(0x00300000) /* timer block */ -#define S3C_VA_WATCHDOG S3C_ADDR(0x00400000) /* watchdog */ -#define S3C_VA_UART S3C_ADDR(0x01000000) /* UART */ - -#endif /* __ASM_PLAT_MAP_H */ diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c index adf535aaf43a..ea445850ff47 100644 --- a/arch/arm/plat-s3c24xx/devs.c +++ b/arch/arm/plat-s3c24xx/devs.c @@ -192,8 +192,8 @@ void __init s3c24xx_fb_set_platdata(struct s3c2410fb_mach_info *pd) static struct resource s3c_nand_resource[] = { [0] = { - .start = S3C2410_PA_NAND, - .end = S3C2410_PA_NAND + S3C24XX_SZ_NAND - 1, + .start = S3C24XX_PA_NAND, + .end = S3C24XX_PA_NAND + S3C24XX_SZ_NAND - 1, .flags = IORESOURCE_MEM, } }; @@ -382,8 +382,8 @@ struct platform_device s3c_device_adc = { static struct resource s3c_sdi_resource[] = { [0] = { - .start = S3C2410_PA_SDI, - .end = S3C2410_PA_SDI + S3C24XX_SZ_SDI - 1, + .start = S3C24XX_PA_SDI, + .end = S3C24XX_PA_SDI + S3C24XX_SZ_SDI - 1, .flags = IORESOURCE_MEM, }, [1] = { diff --git a/arch/arm/plat-s3c24xx/include/plat/map.h b/arch/arm/plat-s3c24xx/include/plat/map.h new file mode 100644 index 000000000000..6222ba8341d4 --- /dev/null +++ b/arch/arm/plat-s3c24xx/include/plat/map.h @@ -0,0 +1,99 @@ +/* linux/include/asm-arm/plat-s3c24xx/map.h + * + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks + * + * S3C24XX - 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. +*/ + +#ifndef __ASM_PLAT_S3C24XX_MAP_H +#define __ASM_PLAT_S3C24XX_MAP_H + +/* interrupt controller is the first thing we put in, to make + * the assembly code for the irq detection easier + */ +#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 S3C_VA_MEM +#define S3C2410_PA_MEMCTRL (0x48000000) +#define S3C24XX_SZ_MEMCTRL SZ_1M + +/* UARTs */ +#define S3C24XX_VA_UART S3C_VA_UART +#define S3C2410_PA_UART (0x50000000) +#define S3C24XX_SZ_UART SZ_1M + +/* Timers */ +#define S3C24XX_VA_TIMER S3C_VA_TIMER +#define S3C2410_PA_TIMER (0x51000000) +#define S3C24XX_SZ_TIMER SZ_1M + +/* Clock and Power management */ +#define S3C24XX_VA_CLKPWR S3C_VA_SYS +#define S3C24XX_SZ_CLKPWR SZ_1M + +/* USB Device port */ +#define S3C2410_PA_USBDEV (0x52000000) +#define S3C24XX_SZ_USBDEV SZ_1M + +/* Watchdog */ +#define S3C24XX_VA_WATCHDOG S3C_VA_WATCHDOG +#define S3C2410_PA_WATCHDOG (0x53000000) +#define S3C24XX_SZ_WATCHDOG SZ_1M + +/* Standard size definitions for peripheral blocks. */ + +#define S3C24XX_SZ_IIC SZ_1M +#define S3C24XX_SZ_IIS SZ_1M +#define S3C24XX_SZ_ADC SZ_1M +#define S3C24XX_SZ_SPI SZ_1M +#define S3C24XX_SZ_SDI SZ_1M +#define S3C24XX_SZ_NAND SZ_1M +#define S3C24XX_SZ_USBHOST SZ_1M + +/* GPIO ports */ + +/* the calculation for the VA of this must ensure that + * 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 + * 0xFA800000, which is not in the way of any current mapping + * by the base system. +*/ + +#define S3C2410_PA_GPIO (0x56000000) +#define S3C24XX_VA_GPIO ((S3C24XX_PA_GPIO - S3C24XX_PA_UART) + S3C24XX_VA_UART) +#define S3C24XX_SZ_GPIO SZ_1M + + +/* ISA style IO, for each machine to sort out mappings for, if it + * implements it. We reserve two 16M regions for ISA. + */ + +#define S3C24XX_VA_ISA_WORD S3C2410_ADDR(0x02000000) +#define S3C24XX_VA_ISA_BYTE S3C2410_ADDR(0x03000000) + +/* deal with the registers that move under the 2412/2413 */ + +#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) +#ifndef __ASSEMBLY__ +extern void __iomem *s3c24xx_va_gpio2; +#endif +#ifdef CONFIG_CPU_S3C2412_ONLY +#define S3C24XX_VA_GPIO2 (S3C24XX_VA_GPIO + 0x10) +#else +#define S3C24XX_VA_GPIO2 s3c24xx_va_gpio2 +#endif +#else +#define s3c24xx_va_gpio2 S3C24XX_VA_GPIO +#define S3C24XX_VA_GPIO2 S3C24XX_VA_GPIO +#endif + +#endif /* __ASM_PLAT_S3C24XX_MAP_H */ -- cgit v1.2.3 From b690ace50be7d10d77cb7a6d5ef1bd9de649852f Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Tue, 21 Oct 2008 14:07:03 +0100 Subject: [ARM] S3C6400: serial support for S3C6400 and S3C6410 SoCs Add support to the Samsung serial driver for the S3C6400 and S3C6410 serial ports. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2410/include/mach/map.h | 2 + arch/arm/mach-s3c24a0/include/mach/map.h | 2 + arch/arm/plat-s3c/include/plat/regs-serial.h | 6 ++ drivers/serial/Kconfig | 10 +- drivers/serial/Makefile | 1 + drivers/serial/s3c6400.c | 151 +++++++++++++++++++++++++++ drivers/serial/samsung.c | 8 +- include/linux/serial_core.h | 2 + 8 files changed, 178 insertions(+), 4 deletions(-) create mode 100644 drivers/serial/s3c6400.c (limited to 'arch/arm/mach-s3c24a0/include/mach/map.h') diff --git a/arch/arm/mach-s3c2410/include/mach/map.h b/arch/arm/mach-s3c2410/include/mach/map.h index 6b30361a0805..918e3463297f 100644 --- a/arch/arm/mach-s3c2410/include/mach/map.h +++ b/arch/arm/mach-s3c2410/include/mach/map.h @@ -101,4 +101,6 @@ #define S3C24XX_PA_SDI S3C2410_PA_SDI #define S3C24XX_PA_NAND S3C2410_PA_NAND +#define S3C_PA_UART S3C24XX_PA_UART + #endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s3c24a0/include/mach/map.h b/arch/arm/mach-s3c24a0/include/mach/map.h index 2ce1839de4ee..6667355a47a1 100644 --- a/arch/arm/mach-s3c24a0/include/mach/map.h +++ b/arch/arm/mach-s3c24a0/include/mach/map.h @@ -80,4 +80,6 @@ #define S3C24XX_PA_SDI S3C24A0_PA_SDI #define S3C24XX_PA_NAND S3C24A0_PA_NAND +#define S3C_PA_UART S3C24A0_PA_UART + #endif /* __ASM_ARCH_24A0_MAP_H */ diff --git a/arch/arm/plat-s3c/include/plat/regs-serial.h b/arch/arm/plat-s3c/include/plat/regs-serial.h index 18ba31c7174c..3ca28585cf80 100644 --- a/arch/arm/plat-s3c/include/plat/regs-serial.h +++ b/arch/arm/plat-s3c/include/plat/regs-serial.h @@ -77,6 +77,12 @@ #define S3C2440_UCON_FCLK (3<<10) #define S3C2443_UCON_EPLL (3<<10) +#define S3C6400_UCON_CLKMASK (3<<10) +#define S3C6400_UCON_PCLK (0<<10) +#define S3C6400_UCON_PCLK2 (2<<10) +#define S3C6400_UCON_UCLK0 (1<<10) +#define S3C6400_UCON_UCLK1 (3<<10) + #define S3C2440_UCON2_FCLK_EN (1<<15) #define S3C2440_UCON0_DIVMASK (15 << 12) #define S3C2440_UCON1_DIVMASK (15 << 12) diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index f71a2e8a5f60..e4ae499e587e 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -447,7 +447,7 @@ config SERIAL_CLPS711X_CONSOLE config SERIAL_SAMSUNG tristate "Samsung SoC serial support" - depends on ARM && PLAT_S3C24XX + depends on ARM && PLAT_S3C select SERIAL_CORE help Support for the on-chip UARTs on the Samsung S3C24XX series CPUs, @@ -515,6 +515,14 @@ config SERIAL_S3C24A0 help Serial port support for the Samsung S3C24A0 SoC +config SERIAL_S3C6400 + tristate "Samsung S3C6400/S3C6410 Serial port support" + depends on SERIAL_SAMSUNG && (CPU_S3C600 || CPU_S3C6410) + default y + help + Serial port support for the Samsung S3C6400 and S3C6410 + SoCs + config SERIAL_DZ bool "DECstation DZ serial driver" depends on MACH_DECSTATION && 32BIT diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 7769aece54ca..dfe775ac45b2 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -42,6 +42,7 @@ obj-$(CONFIG_SERIAL_S3C2410) += s3c2410.o obj-$(CONFIG_SERIAL_S3C2412) += s3c2412.o obj-$(CONFIG_SERIAL_S3C2440) += s3c2440.o obj-$(CONFIG_SERIAL_S3C24A0) += s3c24a0.o +obj-$(CONFIG_SERIAL_S3C6400) += s3c6400.o obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o obj-$(CONFIG_SERIAL_MUX) += mux.o obj-$(CONFIG_SERIAL_68328) += 68328serial.o diff --git a/drivers/serial/s3c6400.c b/drivers/serial/s3c6400.c new file mode 100644 index 000000000000..06936d13393f --- /dev/null +++ b/drivers/serial/s3c6400.c @@ -0,0 +1,151 @@ +/* linux/drivers/serial/s3c6400.c + * + * Driver for Samsung S3C6400 and S3C6410 SoC onboard UARTs. + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.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 +#include +#include +#include +#include +#include +#include + +#include +#include + +#include + +#include "samsung.h" + +static int s3c6400_serial_setsource(struct uart_port *port, + struct s3c24xx_uart_clksrc *clk) +{ + unsigned long ucon = rd_regl(port, S3C2410_UCON); + + if (strcmp(clk->name, "uclk0") == 0) { + ucon &= ~S3C6400_UCON_CLKMASK; + ucon |= S3C6400_UCON_UCLK0; + } else if (strcmp(clk->name, "uclk1") == 0) + ucon |= S3C6400_UCON_UCLK1; + else if (strcmp(clk->name, "pclk") == 0) { + /* See notes about transitioning from UCLK to PCLK */ + ucon &= ~S3C6400_UCON_UCLK0; + } else { + printk(KERN_ERR "unknown clock source %s\n", clk->name); + return -EINVAL; + } + + wr_regl(port, S3C2410_UCON, ucon); + return 0; +} + + +static int s3c6400_serial_getsource(struct uart_port *port, + struct s3c24xx_uart_clksrc *clk) +{ + u32 ucon = rd_regl(port, S3C2410_UCON); + + clk->divisor = 1; + + switch (ucon & S3C6400_UCON_CLKMASK) { + case S3C6400_UCON_UCLK0: + clk->name = "uclk0"; + break; + + case S3C6400_UCON_UCLK1: + clk->name = "uclk1"; + break; + + case S3C6400_UCON_PCLK: + case S3C6400_UCON_PCLK2: + clk->name = "pclk"; + break; + } + + return 0; +} + +static int s3c6400_serial_resetport(struct uart_port *port, + struct s3c2410_uartcfg *cfg) +{ + unsigned long ucon = rd_regl(port, S3C2410_UCON); + + dbg("s3c6400_serial_resetport: port=%p (%08lx), cfg=%p\n", + port, port->mapbase, cfg); + + /* ensure we don't change the clock settings... */ + + ucon &= S3C6400_UCON_CLKMASK; + + wr_regl(port, S3C2410_UCON, ucon | cfg->ucon); + wr_regl(port, S3C2410_ULCON, cfg->ulcon); + + /* reset both fifos */ + + wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH); + wr_regl(port, S3C2410_UFCON, cfg->ufcon); + + return 0; +} + +static struct s3c24xx_uart_info s3c6400_uart_inf = { + .name = "Samsung S3C6400 UART", + .type = PORT_S3C6400, + .fifosize = 64, + .rx_fifomask = S3C2440_UFSTAT_RXMASK, + .rx_fifoshift = S3C2440_UFSTAT_RXSHIFT, + .rx_fifofull = S3C2440_UFSTAT_RXFULL, + .tx_fifofull = S3C2440_UFSTAT_TXFULL, + .tx_fifomask = S3C2440_UFSTAT_TXMASK, + .tx_fifoshift = S3C2440_UFSTAT_TXSHIFT, + .get_clksrc = s3c6400_serial_getsource, + .set_clksrc = s3c6400_serial_setsource, + .reset_port = s3c6400_serial_resetport, +}; + +/* device management */ + +static int s3c6400_serial_probe(struct platform_device *dev) +{ + dbg("s3c6400_serial_probe: dev=%p\n", dev); + return s3c24xx_serial_probe(dev, &s3c6400_uart_inf); +} + +static struct platform_driver s3c6400_serial_drv = { + .probe = s3c6400_serial_probe, + .remove = s3c24xx_serial_remove, + .driver = { + .name = "s3c6400-uart", + .owner = THIS_MODULE, + }, +}; + +s3c24xx_console_init(&s3c6400_serial_drv, &s3c6400_uart_inf); + +static int __init s3c6400_serial_init(void) +{ + return s3c24xx_serial_init(&s3c6400_serial_drv, &s3c6400_uart_inf); +} + +static void __exit s3c6400_serial_exit(void) +{ + platform_driver_unregister(&s3c6400_serial_drv); +} + +module_init(s3c6400_serial_init); +module_exit(s3c6400_serial_exit); + +MODULE_DESCRIPTION("Samsung S3C6400,S3C6410 SoC Serial port driver"); +MODULE_AUTHOR("Ben Dooks "); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:s3c6400-uart"); diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c index bb8b57aae3af..44fc38afa228 100644 --- a/drivers/serial/samsung.c +++ b/drivers/serial/samsung.c @@ -47,9 +47,9 @@ #include #include +#include #include -#include #include "samsung.h" @@ -756,6 +756,8 @@ static const char *s3c24xx_serial_type(struct uart_port *port) return "S3C2440"; case PORT_S3C2412: return "S3C2412"; + case PORT_S3C6400: + return "S3C6400/10"; default: return NULL; } @@ -1034,8 +1036,8 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport, dbg("resource %p (%lx..%lx)\n", res, res->start, res->end); - port->mapbase = res->start; - port->membase = S3C24XX_VA_UART + (res->start - S3C24XX_PA_UART); + port->mapbase = res->start; + port->membase = S3C_VA_UART + res->start - (S3C_PA_UART & 0xfff00000); ret = platform_get_irq(platdev, 0); if (ret < 0) port->irq = 0; diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 4e4f1277f3bf..feb3b939ec4b 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -158,6 +158,8 @@ /* SH-SCI */ #define PORT_SCIFA 83 +#define PORT_S3C6400 84 + #ifdef __KERNEL__ #include -- cgit v1.2.3 From 3e1b776c2b9807d3af5945d5ece86dce9dfb0279 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:40 +0000 Subject: [ARM] S3C: Make i2c device definition common to plat-s3c Make the device i2c0 common to plat-s3c and move the definitions from arch/arm/plat-s3c24xx/devs.c Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2410/include/mach/map.h | 2 +- arch/arm/mach-s3c2410/mach-amlm5900.c | 4 +- arch/arm/mach-s3c2410/mach-bast.c | 7 ++-- arch/arm/mach-s3c2410/mach-h1940.c | 4 +- arch/arm/mach-s3c2410/mach-n30.c | 6 +-- arch/arm/mach-s3c2410/mach-otom.c | 4 +- arch/arm/mach-s3c2410/mach-qt2410.c | 4 +- arch/arm/mach-s3c2410/mach-smdk2410.c | 4 +- arch/arm/mach-s3c2410/mach-tct_hammer.c | 4 +- arch/arm/mach-s3c2410/mach-vr1000.c | 4 +- arch/arm/mach-s3c2412/mach-jive.c | 9 +++-- arch/arm/mach-s3c2412/mach-smdk2413.c | 4 +- arch/arm/mach-s3c2412/mach-vstms.c | 4 +- arch/arm/mach-s3c2440/mach-anubis.c | 4 +- arch/arm/mach-s3c2440/mach-at2440evb.c | 4 +- arch/arm/mach-s3c2440/mach-nexcoder.c | 4 +- arch/arm/mach-s3c2440/mach-osiris.c | 5 ++- arch/arm/mach-s3c2440/mach-rx3715.c | 2 +- arch/arm/mach-s3c2440/mach-smdk2440.c | 4 +- arch/arm/mach-s3c2443/mach-smdk2443.c | 4 +- arch/arm/mach-s3c24a0/include/mach/map.h | 2 +- arch/arm/mach-s3c6400/include/mach/map.h | 2 + arch/arm/plat-s3c/Makefile | 1 + arch/arm/plat-s3c/dev-i2c0.c | 67 ++++++++++++++++++++++++++++++++ arch/arm/plat-s3c/include/plat/devs.h | 2 +- arch/arm/plat-s3c/include/plat/iic.h | 22 +++++++++++ arch/arm/plat-s3c24xx/Makefile | 3 ++ arch/arm/plat-s3c24xx/devs.c | 25 ------------ arch/arm/plat-s3c24xx/include/plat/map.h | 1 - arch/arm/plat-s3c24xx/s3c244x.c | 2 +- arch/arm/plat-s3c24xx/setup-i2c.c | 25 ++++++++++++ 31 files changed, 183 insertions(+), 56 deletions(-) create mode 100644 arch/arm/plat-s3c/dev-i2c0.c create mode 100644 arch/arm/plat-s3c24xx/setup-i2c.c (limited to 'arch/arm/mach-s3c24a0/include/mach/map.h') diff --git a/arch/arm/mach-s3c2410/include/mach/map.h b/arch/arm/mach-s3c2410/include/mach/map.h index d5ae6823fed4..255fdfeaf957 100644 --- a/arch/arm/mach-s3c2410/include/mach/map.h +++ b/arch/arm/mach-s3c2410/include/mach/map.h @@ -92,7 +92,6 @@ #define S3C24XX_PA_TIMER S3C2410_PA_TIMER #define S3C24XX_PA_USBDEV S3C2410_PA_USBDEV #define S3C24XX_PA_WATCHDOG S3C2410_PA_WATCHDOG -#define S3C24XX_PA_IIC S3C2410_PA_IIC #define S3C24XX_PA_IIS S3C2410_PA_IIS #define S3C24XX_PA_GPIO S3C2410_PA_GPIO #define S3C24XX_PA_RTC S3C2410_PA_RTC @@ -101,6 +100,7 @@ #define S3C24XX_PA_SDI S3C2410_PA_SDI #define S3C24XX_PA_NAND S3C2410_PA_NAND +#define S3C_PA_IIC S3C2410_PA_IIC #define S3C_PA_UART S3C24XX_PA_UART #define S3C_PA_HSMMC0 S3C2443_PA_HSMMC diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c index d061fea01900..6d6995afeb43 100644 --- a/arch/arm/mach-s3c2410/mach-amlm5900.c +++ b/arch/arm/mach-s3c2410/mach-amlm5900.c @@ -52,6 +52,7 @@ #include #include +#include #include #include @@ -150,7 +151,7 @@ static struct platform_device *amlm5900_devices[] __initdata = { #endif &s3c_device_adc, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_usb, &s3c_device_rtc, &s3c_device_usbgadget, @@ -233,6 +234,7 @@ static void __init amlm5900_init(void) #ifdef CONFIG_FB_S3C2410 s3c24xx_fb_set_platdata(&amlm5900_fb_info); #endif + s3c_i2c0_set_platdata(NULL); platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); } diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index c04c24444e0d..01bd76725b92 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -406,7 +406,7 @@ static struct platform_device bast_sio = { * standard 100KHz i2c bus frequency */ -static struct s3c2410_platform_i2c bast_i2c_info = { +static struct s3c2410_platform_i2c __initdata bast_i2c_info = { .flags = 0, .slave_addr = 0x10, .bus_freq = 100*1000, @@ -553,7 +553,7 @@ static struct platform_device *bast_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_rtc, &s3c_device_nand, &bast_device_dm9k, @@ -588,7 +588,8 @@ static void __init bast_map_io(void) s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks)); s3c_device_nand.dev.platform_data = &bast_nand_info; - s3c_device_i2c.dev.platform_data = &bast_i2c_info; + + s3c_i2c0_set_platdata(&bast_i2c_info); s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc)); s3c24xx_init_clocks(0); diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c index 836508b829bb..821a1668c3ac 100644 --- a/arch/arm/mach-s3c2410/mach-h1940.c +++ b/arch/arm/mach-s3c2410/mach-h1940.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include @@ -184,7 +185,7 @@ static struct platform_device *h1940_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_usbgadget, &s3c_device_leds, @@ -216,6 +217,7 @@ static void __init h1940_init(void) s3c24xx_fb_set_platdata(&h1940_fb_info); s3c24xx_udc_set_platdata(&h1940_udc_cfg); + s3c_i2c0_set_platdata(NULL); /* Turn off suspend on both USB ports, and switch the * selectable USB port to USB device mode. */ diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c index 7a7c45d28fe7..1269e59d2940 100644 --- a/arch/arm/mach-s3c2410/mach-n30.c +++ b/arch/arm/mach-s3c2410/mach-n30.c @@ -320,7 +320,7 @@ static struct s3c2410fb_mach_info n30_fb_info __initdata = { static struct platform_device *n30_devices[] __initdata = { &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_usb, &s3c_device_usbgadget, @@ -332,7 +332,7 @@ static struct platform_device *n30_devices[] __initdata = { static struct platform_device *n35_devices[] __initdata = { &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_usbgadget, &n35_button_device, @@ -501,7 +501,7 @@ static void __init n30_init_irq(void) static void __init n30_init(void) { s3c24xx_fb_set_platdata(&n30_fb_info); - s3c_device_i2c.dev.platform_data = &n30_i2ccfg; + s3c_device_i2c0.dev.platform_data = &n30_i2ccfg; s3c24xx_udc_set_platdata(&n30_udc_cfg); /* Turn off suspend on both USB ports, and switch the diff --git a/arch/arm/mach-s3c2410/mach-otom.c b/arch/arm/mach-s3c2410/mach-otom.c index d8255cf87e44..f6c7261a4a12 100644 --- a/arch/arm/mach-s3c2410/mach-otom.c +++ b/arch/arm/mach-s3c2410/mach-otom.c @@ -35,6 +35,7 @@ #include #include #include +#include #include static struct map_desc otom11_iodesc[] __initdata = { @@ -94,7 +95,7 @@ static struct platform_device *otom11_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_rtc, &otom_device_nor, @@ -109,6 +110,7 @@ static void __init otom11_map_io(void) static void __init otom11_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices)); } diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c index ef868472f6a4..9678a53ceeb1 100644 --- a/arch/arm/mach-s3c2410/mach-qt2410.c +++ b/arch/arm/mach-s3c2410/mach-qt2410.c @@ -54,6 +54,7 @@ #include #include #include +#include #include #include @@ -247,7 +248,7 @@ static struct platform_device *qt2410_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_sdi, &s3c_device_usbgadget, @@ -349,6 +350,7 @@ static void __init qt2410_machine_init(void) s3c2410_gpio_setpin(S3C2410_GPB0, 1); s3c24xx_udc_set_platdata(&qt2410_udc_cfg); + s3c_i2c0_set_platdata(NULL); s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT); diff --git a/arch/arm/mach-s3c2410/mach-smdk2410.c b/arch/arm/mach-s3c2410/mach-smdk2410.c index 152527bb2872..c49126ccb1d5 100644 --- a/arch/arm/mach-s3c2410/mach-smdk2410.c +++ b/arch/arm/mach-s3c2410/mach-smdk2410.c @@ -47,6 +47,7 @@ #include #include +#include #include #include @@ -89,7 +90,7 @@ static struct platform_device *smdk2410_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, }; @@ -102,6 +103,7 @@ static void __init smdk2410_map_io(void) static void __init smdk2410_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(smdk2410_devices, ARRAY_SIZE(smdk2410_devices)); smdk_machine_init(); } diff --git a/arch/arm/mach-s3c2410/mach-tct_hammer.c b/arch/arm/mach-s3c2410/mach-tct_hammer.c index 309dcf4c870a..8fdb0430bd48 100644 --- a/arch/arm/mach-s3c2410/mach-tct_hammer.c +++ b/arch/arm/mach-s3c2410/mach-tct_hammer.c @@ -45,6 +45,7 @@ #include #include +#include #include #include @@ -127,7 +128,7 @@ static struct s3c2410_uartcfg tct_hammer_uartcfgs[] = { static struct platform_device *tct_hammer_devices[] __initdata = { &s3c_device_adc, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_usb, &s3c_device_rtc, &s3c_device_usbgadget, @@ -146,6 +147,7 @@ static void __init tct_hammer_map_io(void) static void __init tct_hammer_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(tct_hammer_devices, ARRAY_SIZE(tct_hammer_devices)); } diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c index 941353af16dc..61a1ea9c5c5c 100644 --- a/arch/arm/mach-s3c2410/mach-vr1000.c +++ b/arch/arm/mach-s3c2410/mach-vr1000.c @@ -47,6 +47,7 @@ #include #include #include +#include #include "usb-simtec.h" #include "nor-simtec.h" @@ -334,7 +335,7 @@ static struct platform_device *vr1000_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_adc, &serial_device, &vr1000_dm9k0, @@ -384,6 +385,7 @@ static void __init vr1000_map_io(void) static void __init vr1000_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices)); i2c_register_board_info(0, vr1000_i2c_devs, diff --git a/arch/arm/mach-s3c2412/mach-jive.c b/arch/arm/mach-s3c2412/mach-jive.c index 25ff1ec9f8ad..e08a0f06224e 100644 --- a/arch/arm/mach-s3c2412/mach-jive.c +++ b/arch/arm/mach-s3c2412/mach-jive.c @@ -53,6 +53,7 @@ #include #include #include +#include static struct map_desc jive_iodesc[] __initdata = { }; @@ -450,14 +451,14 @@ static struct spi_board_info __initdata jive_spi_devs[] = { /* I2C bus and device configuration. */ -static struct s3c2410_platform_i2c jive_i2c_cfg = { +static struct s3c2410_platform_i2c jive_i2c_cfg __initdata = { .max_freq = 80 * 1000, .bus_freq = 50 * 1000, .flags = S3C_IICFLG_FILTER, .sda_delay = 2, }; -static struct i2c_board_info jive_i2c_devs[] = { +static struct i2c_board_info jive_i2c_devs[] __initdata = { [0] = { I2C_BOARD_INFO("lis302dl", 0x1c), .irq = IRQ_EINT14, @@ -470,7 +471,7 @@ static struct platform_device *jive_devices[] __initdata = { &s3c_device_usb, &s3c_device_rtc, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_lcd, &jive_device_lcdspi, &jive_device_wm8750, @@ -663,7 +664,7 @@ static void __init jive_machine_init(void) spi_register_board_info(jive_spi_devs, ARRAY_SIZE(jive_spi_devs)); - s3c_device_i2c.dev.platform_data = &jive_i2c_cfg; + s3c_i2c0_set_platdata(&jive_i2c_cfg); i2c_register_board_info(0, jive_i2c_devs, ARRAY_SIZE(jive_i2c_devs)); pm_power_off = jive_power_off; diff --git a/arch/arm/mach-s3c2412/mach-smdk2413.c b/arch/arm/mach-s3c2412/mach-smdk2413.c index 8fd17b8d5679..eba66aa6bd20 100644 --- a/arch/arm/mach-s3c2412/mach-smdk2413.c +++ b/arch/arm/mach-s3c2412/mach-smdk2413.c @@ -38,6 +38,7 @@ #include #include +#include #include #include @@ -105,7 +106,7 @@ static struct platform_device *smdk2413_devices[] __initdata = { &s3c_device_usb, //&s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_usbgadget, }; @@ -142,6 +143,7 @@ static void __init smdk2413_machine_init(void) s3c24xx_udc_set_platdata(&smdk2413_udc_cfg); + s3c_i2c0_set_platdata(NULL); platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices)); smdk_machine_init(); diff --git a/arch/arm/mach-s3c2412/mach-vstms.c b/arch/arm/mach-s3c2412/mach-vstms.c index da32a6cb17ae..11e8ad49fc7b 100644 --- a/arch/arm/mach-s3c2412/mach-vstms.c +++ b/arch/arm/mach-s3c2412/mach-vstms.c @@ -39,6 +39,7 @@ #include #include +#include #include #include @@ -122,7 +123,7 @@ static struct s3c2410_platform_nand vstms_nand_info = { static struct platform_device *vstms_devices[] __initdata = { &s3c_device_usb, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_rtc, &s3c_device_nand, @@ -151,6 +152,7 @@ static void __init vstms_map_io(void) static void __init vstms_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices)); } diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c index 334379bdfc6e..a9bbc41c4568 100644 --- a/arch/arm/mach-s3c2440/mach-anubis.c +++ b/arch/arm/mach-s3c2440/mach-anubis.c @@ -40,6 +40,7 @@ #include #include #include +#include #include #include @@ -404,7 +405,7 @@ static struct platform_device *anubis_devices[] __initdata = { &s3c_device_usb, &s3c_device_wdt, &s3c_device_adc, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_rtc, &s3c_device_nand, &anubis_device_ide0, @@ -468,6 +469,7 @@ static void __init anubis_map_io(void) static void __init anubis_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices)); i2c_register_board_info(0, anubis_i2c_devs, diff --git a/arch/arm/mach-s3c2440/mach-at2440evb.c b/arch/arm/mach-s3c2440/mach-at2440evb.c index 07b42a0207d1..55e07ae5ab8c 100644 --- a/arch/arm/mach-s3c2440/mach-at2440evb.c +++ b/arch/arm/mach-s3c2440/mach-at2440evb.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include @@ -166,7 +167,7 @@ static struct platform_device *at2440evb_devices[] __initdata = { &s3c_device_usb, &s3c_device_wdt, &s3c_device_adc, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_rtc, &s3c_device_nand, &at2440evb_device_eth, @@ -183,6 +184,7 @@ static void __init at2440evb_map_io(void) static void __init at2440evb_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices)); } diff --git a/arch/arm/mach-s3c2440/mach-nexcoder.c b/arch/arm/mach-s3c2440/mach-nexcoder.c index a546307fd53d..7aeaa972d7f5 100644 --- a/arch/arm/mach-s3c2440/mach-nexcoder.c +++ b/arch/arm/mach-s3c2440/mach-nexcoder.c @@ -37,6 +37,7 @@ //#include #include #include +#include #include #include @@ -107,7 +108,7 @@ static struct platform_device *nexcoder_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_rtc, &s3c_device_camif, @@ -142,6 +143,7 @@ static void __init nexcoder_map_io(void) static void __init nexcoder_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices)); }; diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c index 884a3c7ae75f..41a00f57e5da 100644 --- a/arch/arm/mach-s3c2440/mach-osiris.c +++ b/arch/arm/mach-s3c2440/mach-osiris.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include @@ -335,7 +336,7 @@ static struct i2c_board_info osiris_i2c_devs[] __initdata = { /* Standard Osiris devices */ static struct platform_device *osiris_devices[] __initdata = { - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_wdt, &s3c_device_nand, &osiris_pcmcia, @@ -398,6 +399,8 @@ static void __init osiris_init(void) sysdev_class_register(&osiris_pm_sysclass); sysdev_register(&osiris_pm_sysdev); + s3c_i2c0_set_platdata(NULL); + i2c_register_board_info(0, osiris_i2c_devs, ARRAY_SIZE(osiris_i2c_devs)); diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c index fbd081de592f..12d378f84ad2 100644 --- a/arch/arm/mach-s3c2440/mach-rx3715.c +++ b/arch/arm/mach-s3c2440/mach-rx3715.c @@ -179,7 +179,7 @@ static struct platform_device *rx3715_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_nand, }; diff --git a/arch/arm/mach-s3c2440/mach-smdk2440.c b/arch/arm/mach-s3c2440/mach-smdk2440.c index fefeaaa4155f..db6eafbd4d90 100644 --- a/arch/arm/mach-s3c2440/mach-smdk2440.c +++ b/arch/arm/mach-s3c2440/mach-smdk2440.c @@ -37,6 +37,7 @@ #include #include +#include #include #include @@ -152,7 +153,7 @@ static struct platform_device *smdk2440_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, }; @@ -166,6 +167,7 @@ static void __init smdk2440_map_io(void) static void __init smdk2440_machine_init(void) { s3c24xx_fb_set_platdata(&smdk2440_fb_info); + s3c_i2c0_set_platdata(NULL); platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices)); smdk_machine_init(); diff --git a/arch/arm/mach-s3c2443/mach-smdk2443.c b/arch/arm/mach-s3c2443/mach-smdk2443.c index 815a3bd1d37b..039a46243105 100644 --- a/arch/arm/mach-s3c2443/mach-smdk2443.c +++ b/arch/arm/mach-s3c2443/mach-smdk2443.c @@ -37,6 +37,7 @@ #include #include +#include #include #include @@ -103,7 +104,7 @@ static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = { static struct platform_device *smdk2443_devices[] __initdata = { &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_hsmmc0, }; @@ -116,6 +117,7 @@ static void __init smdk2443_map_io(void) static void __init smdk2443_machine_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices)); smdk_machine_init(); } diff --git a/arch/arm/mach-s3c24a0/include/mach/map.h b/arch/arm/mach-s3c24a0/include/mach/map.h index 6667355a47a1..a01132717e34 100644 --- a/arch/arm/mach-s3c24a0/include/mach/map.h +++ b/arch/arm/mach-s3c24a0/include/mach/map.h @@ -71,7 +71,6 @@ #define S3C24XX_PA_TIMER S3C24A0_PA_TIMER #define S3C24XX_PA_USBDEV S3C24A0_PA_USBDEV #define S3C24XX_PA_WATCHDOG S3C24A0_PA_WATCHDOG -#define S3C24XX_PA_IIC S3C24A0_PA_IIC #define S3C24XX_PA_IIS S3C24A0_PA_IIS #define S3C24XX_PA_GPIO S3C24A0_PA_GPIO #define S3C24XX_PA_RTC S3C24A0_PA_RTC @@ -81,5 +80,6 @@ #define S3C24XX_PA_NAND S3C24A0_PA_NAND #define S3C_PA_UART S3C24A0_PA_UART +#define S3C_PA_IIC S3C24A0_PA_IIC #endif /* __ASM_ARCH_24A0_MAP_H */ diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h index aadaaaf2d8b6..f0d6fa616b6c 100644 --- a/arch/arm/mach-s3c6400/include/mach/map.h +++ b/arch/arm/mach-s3c6400/include/mach/map.h @@ -40,6 +40,7 @@ #define S3C64XX_PA_SYSCON (0x7E00F000) #define S3C64XX_PA_TIMER (0x7F006000) +#define S3C64XX_PA_IIC0 (0x7F004000) #define S3C64XX_PA_GPIO (0x7F008000) #define S3C64XX_VA_GPIO S3C_ADDR(0x00500000) @@ -58,5 +59,6 @@ #define S3C_PA_HSMMC0 S3C64XX_PA_HSMMC0 #define S3C_PA_HSMMC1 S3C64XX_PA_HSMMC1 #define S3C_PA_HSMMC2 S3C64XX_PA_HSMMC2 +#define S3C_PA_IIC S3C64XX_PA_IIC0 #endif /* __ASM_ARCH_6400_MAP_H */ diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile index 3f6544a95fe8..187fa95b87d5 100644 --- a/arch/arm/plat-s3c/Makefile +++ b/arch/arm/plat-s3c/Makefile @@ -22,3 +22,4 @@ obj-y += gpio-config.o obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o +obj-y += dev-i2c0.o diff --git a/arch/arm/plat-s3c/dev-i2c0.c b/arch/arm/plat-s3c/dev-i2c0.c new file mode 100644 index 000000000000..21870fd2ec98 --- /dev/null +++ b/arch/arm/plat-s3c/dev-i2c0.c @@ -0,0 +1,67 @@ +/* linux/arch/arm/plat-s3c/dev-i2c0.c + * + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C series device definition for i2c device 0 + * + * 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 +#include +#include + +#include + +#include +#include +#include +#include + +static struct resource s3c_i2c_resource[] = { + [0] = { + .start = S3C_PA_IIC, + .end = S3C_PA_IIC + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IIC, + .end = IRQ_IIC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device s3c_device_i2c0 = { + .name = "s3c2410-i2c", + .id = -1, + .num_resources = ARRAY_SIZE(s3c_i2c_resource), + .resource = s3c_i2c_resource, +}; + +struct s3c2410_platform_i2c default_i2c_data __initdata = { + .flags = 0, + .slave_addr = 0x10, + .bus_freq = 100*1000, + .max_freq = 400*1000, + .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON, +}; + +void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd) +{ + struct s3c2410_platform_i2c *npd; + + if (!pd) + pd = &default_i2c_data; + + npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL); + if (!npd) + printk(KERN_ERR "%s: no memory for platform data\n", __func__); + else if (!npd->cfg_gpio) + npd->cfg_gpio = s3c_i2c0_cfg_gpio; + + s3c_device_i2c0.dev.platform_data = npd; +} diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h index f173863b8cc7..d9e0c543ebd6 100644 --- a/arch/arm/plat-s3c/include/plat/devs.h +++ b/arch/arm/plat-s3c/include/plat/devs.h @@ -27,7 +27,7 @@ extern struct platform_device s3c_device_timer[]; extern struct platform_device s3c_device_usb; extern struct platform_device s3c_device_lcd; extern struct platform_device s3c_device_wdt; -extern struct platform_device s3c_device_i2c; +extern struct platform_device s3c_device_i2c0; extern struct platform_device s3c_device_iis; extern struct platform_device s3c_device_rtc; extern struct platform_device s3c_device_adc; diff --git a/arch/arm/plat-s3c/include/plat/iic.h b/arch/arm/plat-s3c/include/plat/iic.h index 5106acaa1d0e..5073b1e74ee8 100644 --- a/arch/arm/plat-s3c/include/plat/iic.h +++ b/arch/arm/plat-s3c/include/plat/iic.h @@ -28,6 +28,28 @@ struct s3c2410_platform_i2c { unsigned long max_freq; /* max frequency for the bus */ unsigned long min_freq; /* min frequency for the bus */ unsigned int sda_delay; /* pclks (s3c2440 only) */ + + void (*cfg_gpio)(struct platform_device *dev); }; +/** + * s3c_i2c0_set_platdata - set platform data for i2c0 device + * @i2c: The platform data to set, or NULL for default data. + * + * Register the given platform data for use with the i2c0 device. This + * call copies the platform data, so the caller can use __initdata for + * their copy. + * + * This call will set cfg_gpio if is null to the default platform + * implementation. + * + * Any user of s3c_device_i2c0 should call this, even if it is with + * NULL to ensure that the device is given the default platform data + * as the driver will no longer carry defaults. + */ +extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c); + +/* defined by architecture to configure gpio */ +extern void s3c_i2c0_cfg_gpio(struct platform_device *dev); + #endif /* __ASM_ARCH_IIC_H */ diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile index 2a65ba7eb34d..763d3444048b 100644 --- a/arch/arm/plat-s3c24xx/Makefile +++ b/arch/arm/plat-s3c24xx/Makefile @@ -32,6 +32,9 @@ obj-$(CONFIG_HAVE_PWM) += pwm.o obj-$(CONFIG_S3C2410_CLOCK) += s3c2410-clock.o obj-$(CONFIG_S3C2410_DMA) += dma.o +# device specific setup and/or initialisation +obj-$(CONFIG_ARCH_S3C2410) += setup-i2c.o + # SPI gpio central GPIO functions obj-$(CONFIG_S3C24XX_SPI_BUS0_GPE11_GPE12_GPE13) += spi-bus0-gpe11_12_13.o diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c index 3a2fcd94791e..3cb07b6a0e4c 100644 --- a/arch/arm/plat-s3c24xx/devs.c +++ b/arch/arm/plat-s3c24xx/devs.c @@ -271,31 +271,6 @@ struct platform_device s3c_device_wdt = { EXPORT_SYMBOL(s3c_device_wdt); -/* I2C */ - -static struct resource s3c_i2c_resource[] = { - [0] = { - .start = S3C24XX_PA_IIC, - .end = S3C24XX_PA_IIC + S3C24XX_SZ_IIC - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_IIC, - .end = IRQ_IIC, - .flags = IORESOURCE_IRQ, - } - -}; - -struct platform_device s3c_device_i2c = { - .name = "s3c2410-i2c", - .id = -1, - .num_resources = ARRAY_SIZE(s3c_i2c_resource), - .resource = s3c_i2c_resource, -}; - -EXPORT_SYMBOL(s3c_device_i2c); - /* IIS */ static struct resource s3c_iis_resource[] = { diff --git a/arch/arm/plat-s3c24xx/include/plat/map.h b/arch/arm/plat-s3c24xx/include/plat/map.h index e7be0c0d3702..fef8ea8b8e1e 100644 --- a/arch/arm/plat-s3c24xx/include/plat/map.h +++ b/arch/arm/plat-s3c24xx/include/plat/map.h @@ -51,7 +51,6 @@ /* Standard size definitions for peripheral blocks. */ -#define S3C24XX_SZ_IIC SZ_1M #define S3C24XX_SZ_IIS SZ_1M #define S3C24XX_SZ_ADC SZ_1M #define S3C24XX_SZ_SPI SZ_1M diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/plat-s3c24xx/s3c244x.c index 494368403055..c1de6bb0101b 100644 --- a/arch/arm/plat-s3c24xx/s3c244x.c +++ b/arch/arm/plat-s3c24xx/s3c244x.c @@ -68,7 +68,7 @@ void __init s3c244x_map_io(void) /* rename any peripherals used differing from the s3c2410 */ s3c_device_sdi.name = "s3c2440-sdi"; - s3c_device_i2c.name = "s3c2440-i2c"; + s3c_device_i2c0.name = "s3c2440-i2c"; s3c_device_nand.name = "s3c2440-nand"; s3c_device_usbgadget.name = "s3c2440-usbgadget"; } diff --git a/arch/arm/plat-s3c24xx/setup-i2c.c b/arch/arm/plat-s3c24xx/setup-i2c.c new file mode 100644 index 000000000000..d62b7e7fb355 --- /dev/null +++ b/arch/arm/plat-s3c24xx/setup-i2c.c @@ -0,0 +1,25 @@ +/* linux/arch/arm/plat-s3c24xx/setup-i2c.c + * + * Copyright 2008 Simtec Electronics + * Ben Dooks + * + * S3C24XX Base setup for i2c device + * + * 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 + +struct platform_device; + +#include +#include +#include + +void s3c_i2c0_cfg_gpio(struct platform_device *dev) +{ + s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_IICSDA); + s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL); +} -- cgit v1.2.3