[ARM] Kirkwood: SDIO driver registration for DB6281 and RD6281

Signed-off-by: Nicolas Pitre <nico@marvell.com>

6 files changed, 98 insertions, 0 deletions

diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index b3404b7775b3..e5076aae1c6b 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -24,6 +24,7 @@
 #include <mach/kirkwood.h>
 #include <plat/cache-feroceon-l2.h>
 #include <plat/ehci-orion.h>
+#include <plat/mvsdio.h>
 #include <plat/mv_xor.h>
 #include <plat/orion_nand.h>
 #include <plat/time.h>
@@ -296,6 +297,50 @@ void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
 
 
 /*****************************************************************************
+ * SD/SDIO/MMC
+ ****************************************************************************/
+static struct resource mvsdio_resources[] = {
+        [0] = {
+                .start  = SDIO_PHYS_BASE,
+                .end    = SDIO_PHYS_BASE + SZ_1K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_KIRKWOOD_SDIO,
+                .end    = IRQ_KIRKWOOD_SDIO,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static u64 mvsdio_dmamask = 0xffffffffUL;
+
+static struct platform_device kirkwood_sdio = {
+        .name           = "mvsdio",
+        .id             = -1,
+        .dev            = {
+                .dma_mask = &mvsdio_dmamask,
+                .coherent_dma_mask = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(mvsdio_resources),
+        .resource       = mvsdio_resources,
+};
+
+void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
+{
+        u32 dev, rev;
+
+        kirkwood_pcie_id(&dev, &rev);
+        if (rev == 0)  /* catch all Kirkwood Z0's */
+                mvsdio_data->clock = 100000000;
+        else
+                mvsdio_data->clock = 200000000;
+        mvsdio_data->dram = &kirkwood_mbus_dram_info;
+        kirkwood_sdio.dev.platform_data = mvsdio_data;
+        platform_device_register(&kirkwood_sdio);
+}
+
+
+/*****************************************************************************
  * SPI
  ****************************************************************************/
 static struct orion_spi_info kirkwood_spi_plat_data = {
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index fe367c18e722..58279400cf7c 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -14,6 +14,7 @@
 struct dsa_platform_data;
 struct mv643xx_eth_platform_data;
 struct mv_sata_platform_data;
+struct mvsdio_platform_data;
 
 /*
  * Basic Kirkwood init functions used early by machine-setup.
@@ -35,6 +36,7 @@ void kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq);
 void kirkwood_pcie_init(void);
 void kirkwood_rtc_init(void);
 void kirkwood_sata_init(struct mv_sata_platform_data *sata_data);
+void kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data);
 void kirkwood_spi_init(void);
 void kirkwood_uart0_init(void);
 void kirkwood_uart1_init(void);
diff --git a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
index a14c2948c62a..5c3b40d6e093 100644
--- a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
+++ b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
@@ -22,7 +22,9 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/kirkwood.h>
+#include <plat/mvsdio.h>
 #include "common.h"
+#include "mpp.h"
 
 static struct mv643xx_eth_platform_data db88f6281_ge00_data = {
         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
@@ -32,18 +34,31 @@ static struct mv_sata_platform_data db88f6281_sata_data = {
         .n_ports        = 2,
 };
 
+static struct mvsdio_platform_data db88f6281_mvsdio_data = {
+        .gpio_write_protect     = 37,
+        .gpio_card_detect       = 38,
+};
+
+static unsigned int db88f6281_mpp_config[] __initdata = {
+        MPP37_GPIO,
+        MPP38_GPIO,
+        0
+};
+
 static void __init db88f6281_init(void)
 {
         /*
          * Basic setup. Needs to be called early.
          */
         kirkwood_init();
+        kirkwood_mpp_conf(db88f6281_mpp_config);
 
         kirkwood_ehci_init();
         kirkwood_ge00_init(&db88f6281_ge00_data);
         kirkwood_rtc_init();
         kirkwood_sata_init(&db88f6281_sata_data);
         kirkwood_uart0_init();
+        kirkwood_sdio_init(&db88f6281_mvsdio_data);
 }
 
 static int __init db88f6281_pci_init(void)
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
index ada480c0e197..d3db30fe763b 100644
--- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h
+++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
@@ -116,5 +116,7 @@
 
 #define SATA_PHYS_BASE          (KIRKWOOD_REGS_PHYS_BASE | 0x80000)
 
+#define SDIO_PHYS_BASE          (KIRKWOOD_REGS_PHYS_BASE | 0x90000)
+
 
 #endif
diff --git a/arch/arm/mach-kirkwood/rd88f6281-setup.c b/arch/arm/mach-kirkwood/rd88f6281-setup.c
index a1ef8a91848e..a8b88a5570bd 100644
--- a/arch/arm/mach-kirkwood/rd88f6281-setup.c
+++ b/arch/arm/mach-kirkwood/rd88f6281-setup.c
@@ -24,8 +24,10 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/kirkwood.h>
+#include <plat/mvsdio.h>
 #include <plat/orion_nand.h>
 #include "common.h"
+#include "mpp.h"
 
 static struct mtd_partition rd88f6281_nand_parts[] = {
         {
@@ -91,6 +93,15 @@ static struct mv_sata_platform_data rd88f6281_sata_data = {
         .n_ports        = 2,
 };
 
+static struct mvsdio_platform_data rd88f6281_mvsdio_data = {
+        .gpio_card_detect = 28,
+};
+
+static unsigned int rd88f6281_mpp_config[] __initdata = {
+        MPP28_GPIO,
+        0
+};
+
 static void __init rd88f6281_init(void)
 {
         u32 dev, rev;
@@ -99,6 +110,7 @@ static void __init rd88f6281_init(void)
          * Basic setup. Needs to be called early.
          */
         kirkwood_init();
+        kirkwood_mpp_conf(rd88f6281_mpp_config);
 
         kirkwood_ehci_init();
 
@@ -114,6 +126,7 @@ static void __init rd88f6281_init(void)
 
         kirkwood_rtc_init();
         kirkwood_sata_init(&rd88f6281_sata_data);
+        kirkwood_sdio_init(&rd88f6281_mvsdio_data);
         kirkwood_uart0_init();
         kirkwood_xor0_init();
         kirkwood_xor1_init();
diff --git a/arch/arm/plat-orion/include/plat/mvsdio.h b/arch/arm/plat-orion/include/plat/mvsdio.h
new file mode 100644
index 000000000000..14ca88676002
--- /dev/null
+++ b/arch/arm/plat-orion/include/plat/mvsdio.h
@@ -0,0 +1,21 @@
+/*
+ * arch/arm/plat-orion/include/plat/mvsdio.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __MACH_MVSDIO_H
+#define __MACH_MVSDIO_H
+
+#include <linux/mbus.h>
+
+struct mvsdio_platform_data {
+        struct mbus_dram_target_info *dram;
+        unsigned int clock;
+        int gpio_card_detect;
+        int gpio_write_protect;
+};
+
+#endif