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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/arm/mach-s5pc100/setup-ide.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/arm/mach-s5pc100/setup-ide.c')
-rw-r--r-- | arch/arm/mach-s5pc100/setup-ide.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/setup-ide.c b/arch/arm/mach-s5pc100/setup-ide.c new file mode 100644 index 00000000..223aae04 --- /dev/null +++ b/arch/arm/mach-s5pc100/setup-ide.c @@ -0,0 +1,57 @@ +/* linux/arch/arm/mach-s5pc100/setup-ide.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * S5PC100 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/regs-clock.h> +#include <plat/gpio-cfg.h> + +static void s5pc100_ide_cfg_gpios(unsigned int base, unsigned int nr) +{ + s3c_gpio_cfgrange_nopull(base, nr, S3C_GPIO_SFN(4)); + + for (; nr > 0; nr--, base++) + s5p_gpio_set_drvstr(base, S5P_GPIO_DRVSTR_LV4); +} + +void s5pc100_ide_setup_gpio(void) +{ + u32 reg; + + /* Independent CF interface, CF chip select configuration */ + reg = readl(S5PC100_MEM_SYS_CFG) & (~0x3f); + writel(reg | MEM_SYS_CFG_EBI_FIX_PRI_CFCON, S5PC100_MEM_SYS_CFG); + + /* CF_Add[0 - 2], CF_IORDY, CF_INTRQ, CF_DMARQ, CF_DMARST, CF_DMACK */ + s5pc100_ide_cfg_gpios(S5PC100_GPJ0(0), 8); + + /*CF_Data[0 - 7] */ + s5pc100_ide_cfg_gpios(S5PC100_GPJ2(0), 8); + + /* CF_Data[8 - 15] */ + s5pc100_ide_cfg_gpios(S5PC100_GPJ3(0), 8); + + /* CF_CS0, CF_CS1, CF_IORD, CF_IOWR */ + s5pc100_ide_cfg_gpios(S5PC100_GPJ4(0), 4); + + /* EBI_OE, EBI_WE */ + s3c_gpio_cfgpin_range(S5PC100_GPK0(6), 2, S3C_GPIO_SFN(0)); + + /* CF_OE, CF_WE */ + s3c_gpio_cfgrange_nopull(S5PC100_GPK1(6), 8, S3C_GPIO_SFN(2)); + + /* CF_CD */ + s3c_gpio_cfgpin(S5PC100_GPK3(5), S3C_GPIO_SFN(2)); + s3c_gpio_setpull(S5PC100_GPK3(5), S3C_GPIO_PULL_NONE); +} |