From: Abhilash Kesavan Date: Tue, 8 Jun 2010 07:55:45 +0000 (+0900) Subject: ARM: S3C64XX: Add support for Compact Flash driver on SMDK6410 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0ab0b6d226caa4a0268ecbce76a7376c3f40ee6b;p=linux-beck.git ARM: S3C64XX: Add support for Compact Flash driver on SMDK6410 Following is added for the CF-ATA driver: - Platform data strucure instantiation - Platform device enabling code - Addition of cfcon clock - Platform-specific gpio setup code Signed-off-by: Abhilash Kesavan Signed-off-by: Thomas Abraham Signed-off-by: Kukjin Kim --- diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig index f5a59727949f..12f063b12569 100644 --- a/arch/arm/mach-s3c64xx/Kconfig +++ b/arch/arm/mach-s3c64xx/Kconfig @@ -57,6 +57,11 @@ config S3C64XX_SETUP_I2C1 help Common setup code for i2c bus 1. +config S3C64XX_SETUP_IDE + bool + help + Common setup code for S3C64XX IDE. + config S3C64XX_SETUP_FB_24BPP bool help @@ -95,6 +100,7 @@ config MACH_SMDK6410 select S3C_DEV_HSMMC select S3C_DEV_HSMMC1 select S3C_DEV_I2C1 + select SAMSUNG_DEV_IDE select S3C_DEV_FB select SAMSUNG_DEV_TS select S3C_DEV_USB_HOST @@ -103,6 +109,7 @@ config MACH_SMDK6410 select HAVE_S3C2410_WATCHDOG select S3C64XX_SETUP_SDHCI select S3C64XX_SETUP_I2C1 + select S3C64XX_SETUP_IDE select S3C64XX_SETUP_FB_24BPP help Machine support for the Samsung SMDK6410 diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile index 9d1006938f5c..aa5c36772b1a 100644 --- a/arch/arm/mach-s3c64xx/Makefile +++ b/arch/arm/mach-s3c64xx/Makefile @@ -35,6 +35,7 @@ obj-$(CONFIG_S3C64XX_DMA) += dma.o obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o +obj-$(CONFIG_S3C64XX_SETUP_IDE) += setup-ide.o obj-$(CONFIG_S3C64XX_SETUP_SDHCI) += setup-sdhci.o obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c index fbd85a9b7bbf..7772f92d2905 100644 --- a/arch/arm/mach-s3c64xx/clock.c +++ b/arch/arm/mach-s3c64xx/clock.c @@ -310,6 +310,12 @@ static struct clk init_clocks[] = { .id = -1, .parent = &clk_p, .ctrlbit = S3C_CLKCON_PCLK_AC97, + }, { + .name = "cfcon", + .id = -1, + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_IHOST, } }; diff --git a/arch/arm/mach-s3c64xx/include/mach/map.h b/arch/arm/mach-s3c64xx/include/mach/map.h index e1eab3c94aea..1caaa5f25f8d 100644 --- a/arch/arm/mach-s3c64xx/include/mach/map.h +++ b/arch/arm/mach-s3c64xx/include/mach/map.h @@ -86,6 +86,9 @@ #define S3C64XX_SZ_GPIO SZ_4K #define S3C64XX_PA_SDRAM (0x50000000) + +#define S3C64XX_PA_CFCON (0x70300000) + #define S3C64XX_PA_VIC0 (0x71200000) #define S3C64XX_PA_VIC1 (0x71300000) @@ -120,5 +123,6 @@ #define S3C_PA_WDT S3C64XX_PA_WATCHDOG #define SAMSUNG_PA_ADC S3C64XX_PA_ADC +#define SAMSUNG_PA_CFCON S3C64XX_PA_CFCON #endif /* __ASM_ARCH_6400_MAP_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h index 0114eb0c1fe7..05332b998ec0 100644 --- a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h +++ b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h @@ -34,6 +34,7 @@ #define S3C_SCLK_GATE S3C_CLKREG(0x38) #define S3C_MEM0_GATE S3C_CLKREG(0x3C) #define S3C6410_CLK_SRC2 S3C_CLKREG(0x10C) +#define S3C_MEM_SYS_CFG S3C_CLKREG(0x120) /* CLKDIV0 */ #define S3C6400_CLKDIV0_PCLK_MASK (0xf << 12) @@ -154,4 +155,8 @@ #define S3C6400_CLKSRC_EPLL_MOUT_SHIFT (2) #define S3C6400_CLKSRC_MFC (1 << 4) +/* MEM_SYS_CFG */ +#define MEM_SYS_CFG_INDEP_CF 0x4000 +#define MEM_SYS_CFG_EBI_FIX_PRI_CFCON 0x30 + #endif /* _PLAT_REGS_CLOCK_H */ diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index d9a03555f88b..0d7d93fbc43b 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -56,6 +56,7 @@ #include #include #include +#include #include #include #include @@ -242,6 +243,10 @@ static struct platform_device smdk6410_b_pwr_5v = { }; #endif +static struct s3c_ide_platdata smdk6410_ide_pdata __initdata = { + .setup_gpio = s3c64xx_ide_setup_gpio, +}; + static struct map_desc smdk6410_iodesc[] = {}; static struct platform_device *smdk6410_devices[] __initdata = { @@ -265,6 +270,7 @@ static struct platform_device *smdk6410_devices[] __initdata = { &smdk6410_smsc911x, &s3c_device_adc, + &s3c_device_cfcon, &s3c_device_ts, &s3c_device_wdt, }; @@ -665,6 +671,8 @@ static void __init smdk6410_machine_init(void) i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0)); i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); + s3c_ide_set_platdata(&smdk6410_ide_pdata); + platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices)); } diff --git a/arch/arm/mach-s3c64xx/s3c6410.c b/arch/arm/mach-s3c64xx/s3c6410.c index 014401c39f36..3ad25d296880 100644 --- a/arch/arm/mach-s3c64xx/s3c6410.c +++ b/arch/arm/mach-s3c64xx/s3c6410.c @@ -37,6 +37,7 @@ #include #include #include +#include #include #include #include @@ -58,6 +59,7 @@ void __init s3c6410_map_io(void) s3c_device_nand.name = "s3c6400-nand"; s3c_onenand_setname("s3c6410-onenand"); s3c64xx_onenand1_setname("s3c6410-onenand"); + s3c_cfcon_setname("s3c64xx-pata"); } void __init s3c6410_init_clocks(int xtal) diff --git a/arch/arm/mach-s3c64xx/setup-ide.c b/arch/arm/mach-s3c64xx/setup-ide.c new file mode 100644 index 000000000000..c12c315f33bc --- /dev/null +++ b/arch/arm/mach-s3c64xx/setup-ide.c @@ -0,0 +1,46 @@ +/* linux/arch/arm/mach-s3c64xx/setup-ide.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S3C64XX setup information for IDE + * + * 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 + +void s3c64xx_ide_setup_gpio(void) +{ + u32 reg; + u32 gpio = 0; + + reg = readl(S3C_MEM_SYS_CFG) & (~0x3f); + + /* Independent CF interface, CF chip select configuration */ + writel(reg | MEM_SYS_CFG_INDEP_CF | + MEM_SYS_CFG_EBI_FIX_PRI_CFCON, S3C_MEM_SYS_CFG); + + s3c_gpio_cfgpin(S3C64XX_GPB(4), S3C_GPIO_SFN(4)); + + /* Set XhiDATA[15:0] pins as CF Data[15:0] */ + for (gpio = S3C64XX_GPK(0); gpio <= S3C64XX_GPK(15); gpio++) + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(5)); + + /* Set XhiADDR[2:0] pins as CF ADDR[2:0] */ + for (gpio = S3C64XX_GPL(0); gpio <= S3C64XX_GPL(2); gpio++) + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(6)); + + /* Set Xhi ctrl pins as CF ctrl pins(IORDY, IOWR, IORD, CE[0:1]) */ + s3c_gpio_cfgpin(S3C64XX_GPM(5), S3C_GPIO_SFN(1)); + for (gpio = S3C64XX_GPM(0); gpio <= S3C64XX_GPM(4); gpio++) + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(6)); +}