1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/setup-ide-s3c64xx.c b/arch/arm/mach-s3c/setup-ide-s3c64xx.c
new file mode 100644
index 000000000..f11f2b02e
--- /dev/null
+++ b/arch/arm/mach-s3c/setup-ide-s3c64xx.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2010 Samsung Electronics Co., Ltd.
+//		http://www.samsung.com/
+//
+// S3C64XX setup information for IDE
+
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <linux/io.h>
+
+#include <linux/platform_data/ata-samsung_cf.h>
+
+#include "map.h"
+#include "regs-clock.h"
+#include "gpio-cfg.h"
+#include "gpio-samsung.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));
+}