This patch adds sdhci platform helpers required by sdhci-s3c driver.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
help
Machine support for the Samsung Aquila target based on S5PC110 SoC
+config S5PV210_SETUP_I2C1
+ bool
+ help
+ Common setup code for i2c bus 1.
+
+config S5PV210_SETUP_I2C2
+ bool
+ help
+ Common setup code for i2c bus 2.
+
config S5PV210_SETUP_FB_24BPP
bool
help
Common setup code for S5PV210 with an 24bpp RGB display helper.
+config S5PV210_SETUP_SDHCI
+ bool
+ select S5PV210_SETUP_SDHCI_GPIO
+ help
+ Internal helper functions for S5PV210 based SDHCI systems
+
+config S5PV210_SETUP_SDHCI_GPIO
+ bool
+ help
+ Common setup code for SDHCI gpio.
+
config MACH_SMDKV210
bool "SMDKV210"
select CPU_S5PV210
obj-$(CONFIG_S5PV210_SETUP_FB_24BPP) += setup-fb-24bpp.o
obj-$(CONFIG_S5PV210_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_S5PV210_SETUP_I2C2) += setup-i2c2.o
+obj-$(CONFIG_S5PV210_SETUP_SDHCI) += setup-sdhci.o
+obj-$(CONFIG_S5PV210_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
#include <plat/clock.h>
#include <plat/s5pv210.h>
#include <plat/iic-core.h>
+#include <plat/sdhci.h>
/* Initial IO mappings */
{
iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
+ /* initialise device information early */
+ s5pv210_default_sdhci0();
+ s5pv210_default_sdhci1();
+ s5pv210_default_sdhci2();
+
/* the i2c devices are directly compatible with s3c2440 */
s3c_i2c0_setname("s3c2440-i2c");
s3c_i2c1_setname("s3c2440-i2c");
#define S5PV210_PA_FB (0xF8000000)
+#define S5PV210_PA_HSMMC(x) (0xEB000000 + ((x) * 0x100000))
+
#define S5PV210_PA_VIC0 (0xF2000000)
#define S5P_PA_VIC0 S5PV210_PA_VIC0
/* compatibiltiy defines. */
#define S3C_PA_UART S5PV210_PA_UART
+#define S3C_PA_HSMMC0 S5PV210_PA_HSMMC(0)
+#define S3C_PA_HSMMC1 S5PV210_PA_HSMMC(1)
+#define S3C_PA_HSMMC2 S5PV210_PA_HSMMC(2)
#define S3C_PA_IIC S5PV210_PA_IIC0
#define S3C_PA_IIC1 S5PV210_PA_IIC1
#define S3C_PA_IIC2 S5PV210_PA_IIC2
--- /dev/null
+/* linux/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5PV210 - 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 <linux/mmc/host.h>
+#include <linux/mmc/card.h>
+
+#include <mach/gpio.h>
+#include <plat/gpio-cfg.h>
+#include <plat/regs-sdhci.h>
+
+void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
+{
+ unsigned int gpio;
+
+ /* Set all the necessary GPG0/GPG1 pins to special-function 2 */
+ for (gpio = S5PV210_GPG0(0); gpio < S5PV210_GPG0(2); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+ switch (width) {
+ case 8:
+ /* GPG1[3:6] special-funtion 3 */
+ for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+ case 4:
+ /* GPG0[3:6] special-funtion 2 */
+ for (gpio = S5PV210_GPG0(3); gpio <= S5PV210_GPG0(6); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+ default:
+ break;
+ }
+
+ s3c_gpio_setpull(S5PV210_GPG0(2), S3C_GPIO_PULL_UP);
+ s3c_gpio_cfgpin(S5PV210_GPG0(2), S3C_GPIO_SFN(2));
+}
+
+void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
+{
+ unsigned int gpio;
+
+ /* Set all the necessary GPG1[0:1] pins to special-function 2 */
+ for (gpio = S5PV210_GPG1(0); gpio < S5PV210_GPG1(2); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ /* Data pin GPG1[3:6] to special-function 2 */
+ for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ s3c_gpio_setpull(S5PV210_GPG1(2), S3C_GPIO_PULL_UP);
+ s3c_gpio_cfgpin(S5PV210_GPG1(2), S3C_GPIO_SFN(2));
+}
+
+void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
+{
+ unsigned int gpio;
+
+ /* Set all the necessary GPG2[0:1] pins to special-function 2 */
+ for (gpio = S5PV210_GPG2(0); gpio < S5PV210_GPG2(2); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ switch (width) {
+ case 8:
+ /* Data pin GPG3[3:6] to special-function 3 */
+ for (gpio = S5PV210_GPG3(3); gpio <= S5PV210_GPG3(6); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+ case 4:
+ /* Data pin GPG2[3:6] to special-function 2 */
+ for (gpio = S5PV210_GPG2(3); gpio <= S5PV210_GPG2(6); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+ default:
+ break;
+ }
+
+ s3c_gpio_setpull(S5PV210_GPG2(2), S3C_GPIO_PULL_UP);
+ s3c_gpio_cfgpin(S5PV210_GPG2(2), S3C_GPIO_SFN(2));
+}
--- /dev/null
+/* linux/arch/arm/mach-s5pv210/setup-sdhci.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5PV210 - Helper functions for settign up SDHCI device(s) (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 <linux/mmc/card.h>
+#include <linux/mmc/host.h>
+
+#include <plat/regs-sdhci.h>
+#include <plat/sdhci.h>
+
+/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
+
+char *s5pv210_hsmmc_clksrcs[4] = {
+ [0] = "hsmmc", /* HCLK */
+ [1] = "hsmmc", /* HCLK */
+ [2] = "sclk_mmc", /* mmc_bus */
+ /*[4] = reserved */
+};
+
+void s5pv210_setup_sdhci_cfg_card(struct platform_device *dev,
+ void __iomem *r,
+ struct mmc_ios *ios,
+ struct mmc_card *card)
+{
+ u32 ctrl2, ctrl3;
+
+ /* don't need to alter anything acording to card-type */
+
+ writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4);
+
+ ctrl2 = readl(r + S3C_SDHCI_CONTROL2);
+ ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK;
+ ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR |
+ S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK |
+ S3C_SDHCI_CTRL2_ENFBCLKRX |
+ S3C_SDHCI_CTRL2_DFCNT_NONE |
+ S3C_SDHCI_CTRL2_ENCLKOUTHOLD);
+
+ if (ios->clock < 25 * 1000000)
+ ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 |
+ S3C_SDHCI_CTRL3_FCSEL2 |
+ S3C_SDHCI_CTRL3_FCSEL1 |
+ S3C_SDHCI_CTRL3_FCSEL0);
+ else
+ ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0);
+
+ writel(ctrl2, r + S3C_SDHCI_CONTROL2);
+ writel(ctrl3, r + S3C_SDHCI_CONTROL3);
+}
extern void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
extern void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
+extern void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
+extern void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
+extern void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
/* S3C6400 SDHCI setup */
static inline void s5pc100_default_sdhci2(void) { }
#endif /* CONFIG_S5PC100_SETUP_SDHCI */
+
+/* S5PC110 SDHCI setup */
+#ifdef CONFIG_S5PV210_SETUP_SDHCI
+extern char *s5pv210_hsmmc_clksrcs[4];
+
+extern void s5pv210_setup_sdhci_cfg_card(struct platform_device *dev,
+ void __iomem *r,
+ struct mmc_ios *ios,
+ struct mmc_card *card);
+
+#ifdef CONFIG_S3C_DEV_HSMMC
+static inline void s5pv210_default_sdhci0(void)
+{
+ s3c_hsmmc0_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
+ s3c_hsmmc0_def_platdata.cfg_gpio = s5pv210_setup_sdhci0_cfg_gpio;
+ s3c_hsmmc0_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
+}
+#else
+static inline void s5pc100_default_sdhci0(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC */
+
+#ifdef CONFIG_S3C_DEV_HSMMC1
+static inline void s5pv210_default_sdhci1(void)
+{
+ s3c_hsmmc1_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
+ s3c_hsmmc1_def_platdata.cfg_gpio = s5pv210_setup_sdhci1_cfg_gpio;
+ s3c_hsmmc1_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
+}
+#else
+static inline void s5pv210_default_sdhci1(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC1 */
+
+#ifdef CONFIG_S3C_DEV_HSMMC2
+static inline void s5pv210_default_sdhci2(void)
+{
+ s3c_hsmmc2_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
+ s3c_hsmmc2_def_platdata.cfg_gpio = s5pv210_setup_sdhci2_cfg_gpio;
+ s3c_hsmmc2_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
+}
+#else
+static inline void s5pv210_default_sdhci2(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC2 */
+
+#else
+static inline void s5pv210_default_sdhci0(void) { }
+static inline void s5pv210_default_sdhci1(void) { }
+static inline void s5pv210_default_sdhci2(void) { }
+#endif /* CONFIG_S5PC100_SETUP_SDHCI */
+
+
+
+
#endif /* __PLAT_S3C_SDHCI_H */
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