7 files changed, 111 insertions, 0 deletions

diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index 0cdb1fd5385a..b735705c8b47 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -36,6 +36,11 @@ config EXYNOS4_DEV_SYSMMU
         help
           Common setup code for SYSTEM MMU in EXYNOS4
 
+config EXYNOS4_DEV_DWMCI
+        bool
+        help
+          Compile in platform device definitions for DWMCI
+
 config EXYNOS4_SETUP_I2C1
         bool
         help
diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile
index c8e880e7144a..2a0b68220b2f 100644
--- a/arch/arm/mach-exynos4/Makefile
+++ b/arch/arm/mach-exynos4/Makefile
@@ -38,6 +38,7 @@ obj-y					+= dev-audio.o
 obj-$(CONFIG_EXYNOS4_DEV_AHCI)          += dev-ahci.o
 obj-$(CONFIG_EXYNOS4_DEV_PD)            += dev-pd.o
 obj-$(CONFIG_EXYNOS4_DEV_SYSMMU)        += dev-sysmmu.o
+obj-$(CONFIG_EXYNOS4_DEV_DWMCI) += dev-dwmci.o
 
 obj-$(CONFIG_EXYNOS4_SETUP_FIMC)        += setup-fimc.o
 obj-$(CONFIG_EXYNOS4_SETUP_I2C1)        += setup-i2c1.o
diff --git a/arch/arm/mach-exynos4/dev-dwmci.c b/arch/arm/mach-exynos4/dev-dwmci.c
new file mode 100644
index 000000000000..b025db4bf602
--- /dev/null
+++ b/arch/arm/mach-exynos4/dev-dwmci.c
@@ -0,0 +1,82 @@
+/*
+ * linux/arch/arm/mach-exynos4/dev-dwmci.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * Platform device for Synopsys DesignWare Mobile Storage IP
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/mmc/dw_mmc.h>
+
+#include <plat/devs.h>
+
+#include <mach/map.h>
+
+static int exynos4_dwmci_get_bus_wd(u32 slot_id)
+{
+        return 4;
+}
+
+static int exynos4_dwmci_init(u32 slot_id, irq_handler_t handler, void *data)
+{
+        return 0;
+}
+
+static struct resource exynos4_dwmci_resource[] = {
+        [0] = {
+                .start  = EXYNOS4_PA_DWMCI,
+                .end    = EXYNOS4_PA_DWMCI + SZ_4K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_DWMCI,
+                .end    = IRQ_DWMCI,
+                .flags  = IORESOURCE_IRQ,
+        }
+};
+
+static struct dw_mci_board exynos4_dwci_pdata = {
+        .num_slots                      = 1,
+        .quirks                         = DW_MCI_QUIRK_BROKEN_CARD_DETECTION,
+        .bus_hz                         = 80 * 1000 * 1000,
+        .detect_delay_ms        = 200,
+        .init                           = exynos4_dwmci_init,
+        .get_bus_wd                     = exynos4_dwmci_get_bus_wd,
+};
+
+static u64 exynos4_dwmci_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device exynos4_device_dwmci = {
+        .name           = "dw_mmc",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(exynos4_dwmci_resource),
+        .resource       = exynos4_dwmci_resource,
+        .dev            = {
+                .dma_mask               = &exynos4_dwmci_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+                .platform_data  = &exynos4_dwci_pdata,
+        },
+};
+
+void __init exynos4_dwmci_set_platdata(struct dw_mci_board *pd)
+{
+        struct dw_mci_board *npd;
+
+        npd = s3c_set_platdata(pd, sizeof(struct dw_mci_board),
+                        &exynos4_device_dwmci);
+
+        if (!npd->init)
+                npd->init = exynos4_dwmci_init;
+        if (!npd->get_bus_wd)
+                npd->get_bus_wd = exynos4_dwmci_get_bus_wd;
+}
diff --git a/arch/arm/mach-exynos4/include/mach/dwmci.h b/arch/arm/mach-exynos4/include/mach/dwmci.h
new file mode 100644
index 000000000000..7ce657459cc0
--- /dev/null
+++ b/arch/arm/mach-exynos4/include/mach/dwmci.h
@@ -0,0 +1,20 @@
+/* linux/arch/arm/mach-exynos4/include/mach/dwmci.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com/
+ *
+ * Synopsys DesignWare Mobile Storage for EXYNOS4210
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARM_ARCH_DWMCI_H
+#define __ASM_ARM_ARCH_DWMCI_H __FILE__
+
+#include <linux/mmc/dw_mmc.h>
+
+extern void exynos4_dwmci_set_platdata(struct dw_mci_board *pd);
+
+#endif /* __ASM_ARM_ARCH_DWMCI_H */
diff --git a/arch/arm/mach-exynos4/include/mach/irqs.h b/arch/arm/mach-exynos4/include/mach/irqs.h
index 51b5db5ea93b..e2995be40c3f 100644
--- a/arch/arm/mach-exynos4/include/mach/irqs.h
+++ b/arch/arm/mach-exynos4/include/mach/irqs.h
@@ -78,6 +78,7 @@
 #define IRQ_HSMMC1              IRQ_SPI(74)
 #define IRQ_HSMMC2              IRQ_SPI(75)
 #define IRQ_HSMMC3              IRQ_SPI(76)
+#define IRQ_DWMCI               IRQ_SPI(77)
 
 #define IRQ_MIPICSI0            IRQ_SPI(78)
 
diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
index 0e0016fad20f..0aa77fb707d2 100644
--- a/arch/arm/mach-exynos4/include/mach/map.h
+++ b/arch/arm/mach-exynos4/include/mach/map.h
@@ -96,6 +96,7 @@
 #define EXYNOS4_PA_MIPI_CSIS1           0x11890000
 
 #define EXYNOS4_PA_HSMMC(x)             (0x12510000 + ((x) * 0x10000))
+#define EXYNOS4_PA_DWMCI                0x12550000
 
 #define EXYNOS4_PA_SATA                 0x12560000
 #define EXYNOS4_PA_SATAPHY              0x125D0000
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index e3b31c26ac3e..29fa1cf9c6f8 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -112,6 +112,7 @@ extern struct platform_device exynos4_device_i2s2;
 extern struct platform_device exynos4_device_spdif;
 extern struct platform_device exynos4_device_pd[];
 extern struct platform_device exynos4_device_ahci;
+extern struct platform_device exynos4_device_dwmci;
 
 extern struct platform_device s5p6440_device_pcm;
 extern struct platform_device s5p6440_device_iis;