[ARM] S3C: Add SDHCI (HSMMC) channel 1 device definition
Add device definition and support code for the Samsung
HSMMC channel 1 device.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s3c6410/cpu.c b/arch/arm/mach-s3c6410/cpu.c
index 84fb65b..137918e 100644
--- a/arch/arm/mach-s3c6410/cpu.c
+++ b/arch/arm/mach-s3c6410/cpu.c
@@ -55,6 +55,7 @@
/* initialise device information early */
s3c6410_default_sdhci0();
+ s3c6410_default_sdhci1();
}
void __init s3c6410_init_clocks(int xtal)
diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig
index 45e62cb..e6e6496 100644
--- a/arch/arm/plat-s3c/Kconfig
+++ b/arch/arm/plat-s3c/Kconfig
@@ -154,3 +154,9 @@
depends on PLAT_S3C
help
Compile in platform device definitions for HSMMC code
+
+config S3C_DEV_HSMMC1
+ bool
+ depends on PLAT_S3C
+ help
+ Compile in platform device definitions for HSMMC channel 1
diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile
index 68a3451..3f6544a 100644
--- a/arch/arm/plat-s3c/Makefile
+++ b/arch/arm/plat-s3c/Makefile
@@ -21,3 +21,4 @@
# devices
obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o
+obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o
diff --git a/arch/arm/plat-s3c/dev-hsmmc1.c b/arch/arm/plat-s3c/dev-hsmmc1.c
new file mode 100644
index 0000000..e49bc4c
--- /dev/null
+++ b/arch/arm/plat-s3c/dev-hsmmc1.c
@@ -0,0 +1,68 @@
+/* linux/arch/arm/plat-s3c/dev-hsmmc1.c
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for hsmmc device 1
+ *
+ * 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/platform_device.h>
+#include <linux/mmc/host.h>
+
+#include <mach/map.h>
+#include <plat/sdhci.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+#define S3C_SZ_HSMMC (0x1000)
+
+static struct resource s3c_hsmmc1_resource[] = {
+ [0] = {
+ .start = S3C_PA_HSMMC1,
+ .end = S3C_PA_HSMMC1 + S3C_SZ_HSMMC - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_HSMMC1,
+ .end = IRQ_HSMMC1,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static u64 s3c_device_hsmmc1_dmamask = 0xffffffffUL;
+
+struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata = {
+ .max_width = 4,
+ .host_caps = (MMC_CAP_4_BIT_DATA |
+ MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+};
+
+struct platform_device s3c_device_hsmmc1 = {
+ .name = "s3c-sdhci",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(s3c_hsmmc1_resource),
+ .resource = s3c_hsmmc1_resource,
+ .dev = {
+ .dma_mask = &s3c_device_hsmmc1_dmamask,
+ .coherent_dma_mask = 0xffffffffUL,
+ .platform_data = &s3c_hsmmc1_def_platdata,
+ },
+};
+
+void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd)
+{
+ struct s3c_sdhci_platdata *set = &s3c_hsmmc1_def_platdata;
+
+ set->max_width = pd->max_width;
+
+ if (pd->cfg_gpio)
+ set->cfg_gpio = pd->cfg_gpio;
+ if (pd->cfg_card)
+ set->cfg_card = pd->cfg_card;
+}
diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h
index c999912..5aeebeb 100644
--- a/arch/arm/plat-s3c/include/plat/sdhci.h
+++ b/arch/arm/plat-s3c/include/plat/sdhci.h
@@ -56,12 +56,14 @@
* make the structure itself __initdata.
*/
extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
+extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
/* Default platform data, exported so that per-cpu initialisation can
* set the correct one when there are more than one cpu type selected.
*/
-extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platata;
+extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
+extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
/* Helper function availablity */
@@ -69,6 +71,8 @@
extern char *s3c6410_hsmmc_clksrcs[4];
extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
+extern void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
+
extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
void __iomem *r,
struct mmc_ios *ios,
@@ -80,8 +84,16 @@
s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio;
s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
}
+
+static inline void s3c6410_default_sdhci1(void)
+{
+ s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
+ s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio;
+ s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
+}
#else
static inline void s3c6410_default_sdhci0(void) { }
+static inline void s3c6410_default_sdhci1(void) { }
#endif /* CONFIG_S3C6410_SETUP_SDHCI */
#endif /* __PLAT_S3C_SDHCI_H */