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Diffstat (limited to 'arch/arm/mach-s5pv210/setup-ide.c')
-rw-r--r--arch/arm/mach-s5pv210/setup-ide.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv210/setup-ide.c b/arch/arm/mach-s5pv210/setup-ide.c
new file mode 100644
index 00000000..ea123d54
--- /dev/null
+++ b/arch/arm/mach-s5pv210/setup-ide.c
@@ -0,0 +1,39 @@
+/* linux/arch/arm/mach-s5pv210/setup-ide.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * S5PV210 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 <plat/gpio-cfg.h>
+
+static void s5pv210_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 s5pv210_ide_setup_gpio(void)
+{
+ /* CF_Add[0 - 2], CF_IORDY, CF_INTRQ, CF_DMARQ, CF_DMARST, CF_DMACK */
+ s5pv210_ide_cfg_gpios(S5PV210_GPJ0(0), 8);
+
+ /* CF_Data[0 - 7] */
+ s5pv210_ide_cfg_gpios(S5PV210_GPJ2(0), 8);
+
+ /* CF_Data[8 - 15] */
+ s5pv210_ide_cfg_gpios(S5PV210_GPJ3(0), 8);
+
+ /* CF_CS0, CF_CS1, CF_IORD, CF_IOWR */
+ s5pv210_ide_cfg_gpios(S5PV210_GPJ4(0), 4);
+}