diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 18:42:58 +0100 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 18:42:58 +0100 |
commit | e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a (patch) | |
tree | 1db5a0540a4eecfad9b7daee476b985e82ddc810 /arch/arm/mach-s3c64xx/setup-ide.c | |
parent | ec62dbd7eb8e3dddb221da89ecbcea0fc3dee8c1 (diff) | |
parent | b2c1e07b81a126e5846dfc3d36f559d861df59f4 (diff) |
Merge branch 'for-2.6.36' into for-2.6.37
Fairly simple conflicts, the most serious ones are the i.MX ones which I
suspect now need another rename.
Conflicts:
arch/arm/mach-mx2/clock_imx27.c
arch/arm/mach-mx2/devices.c
arch/arm/mach-omap2/board-rx51-peripherals.c
arch/arm/mach-omap2/board-zoom2.c
sound/soc/fsl/mpc5200_dma.c
sound/soc/fsl/mpc5200_dma.h
sound/soc/fsl/mpc8610_hpcd.c
sound/soc/pxa/spitz.c
Diffstat (limited to 'arch/arm/mach-s3c64xx/setup-ide.c')
-rw-r--r-- | arch/arm/mach-s3c64xx/setup-ide.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/setup-ide.c b/arch/arm/mach-s3c64xx/setup-ide.c new file mode 100644 index 00000000000..c12c315f33b --- /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 <linux/kernel.h> +#include <linux/gpio.h> +#include <linux/io.h> + +#include <mach/map.h> +#include <mach/regs-clock.h> +#include <plat/gpio-cfg.h> + +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)); +} |