1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-s3c64xx/setup-ide.c b/kernel/arch/arm/mach-s3c64xx/setup-ide.c
new file mode 100644
index 000000000..689fb72e7
--- /dev/null
+++ b/kernel/arch/arm/mach-s3c64xx/setup-ide.c
@@ -0,0 +1,44 @@
+/* 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>
+#include <mach/gpio-samsung.h>
+#include <linux/platform_data/ata-samsung_cf.h>
+
+void s3c64xx_ide_setup_gpio(void)
+{
+	u32 reg;
+
+	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] */
+	s3c_gpio_cfgpin_range(S3C64XX_GPK(0), 16, S3C_GPIO_SFN(5));
+
+	/* Set XhiADDR[2:0] pins as CF ADDR[2:0] */
+	s3c_gpio_cfgpin_range(S3C64XX_GPL(0), 3, 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));
+	s3c_gpio_cfgpin_range(S3C64XX_GPM(0), 5, S3C_GPIO_SFN(6));
+}