1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c b/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c
new file mode 100644
index 000000000000..a58c0cc7ba5e
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c
@@ -0,0 +1,75 @@
+/* linux/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c
+ *
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
+ *
+ * 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/types.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <mach/gpio.h>
+#include <plat/gpio-cfg.h>
+
+void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+	unsigned int end;
+
+	end = S3C64XX_GPG(2 + width);
+
+	/* Set all the necessary GPG pins to special-function 0 */
+	for (gpio = S3C64XX_GPG(0); gpio < end; gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2));
+}
+
+void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+	unsigned int end;
+
+	end = S3C64XX_GPH(2 + width);
+
+	/* Set all the necessary GPG pins to special-function 0 */
+	for (gpio = S3C64XX_GPH(0); gpio < end; gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3));
+}
+
+void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+	unsigned int end;
+
+	end = S3C64XX_GPH(6 + width);
+
+	/* Set all the necessary GPH pins to special-function 1 */
+	for (gpio = S3C64XX_GPH(6); gpio < end; gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	/* Set all the necessary GPC pins to special-function 1 */
+	for (gpio = S3C64XX_GPC(4); gpio < S3C64XX_GPC(6); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+}