[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 (file)
--- a/arch/arm/mach-s3c6410/cpu.c
+++ b/arch/arm/mach-s3c6410/cpu.c
@@ -55,6 +55,7 @@ void __init s3c6410_map_io(void)
 
        /* 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 (file)
--- a/arch/arm/plat-s3c/Kconfig
+++ b/arch/arm/plat-s3c/Kconfig
@@ -154,3 +154,9 @@ config S3C_DEV_HSMMC
        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 (file)
--- a/arch/arm/plat-s3c/Makefile
+++ b/arch/arm/plat-s3c/Makefile
@@ -21,3 +21,4 @@ obj-y                         += gpio-config.o
 # 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 (file)
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 (file)
--- a/arch/arm/plat-s3c/include/plat/sdhci.h
+++ b/arch/arm/plat-s3c/include/plat/sdhci.h
@@ -56,12 +56,14 @@ struct s3c_sdhci_platdata {
  * 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 struct s3c_sdhci_platdata s3c_hsmmc0_def_platata;
 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 @@ static inline void s3c6410_default_sdhci0(void)
        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 */