]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/arm/mach-omap2/board-omap2evm.c
OMAP2EVM : Add nand support
[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / board-omap2evm.c
index bcdf4a6a2e7a8664d6b015cec74599495dc48216..138e80c33fc2225f971942c1812ed23c2217838d 100644 (file)
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/io.h>
+#include <linux/input.h>
+#include <linux/i2c/twl4030.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
 
-#include <asm/hardware.h>
+#include <mach/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
+#include <asm/mach/flash.h>
 
-#include <asm/arch/gpio.h>
-#include <asm/arch/board.h>
-#include <asm/arch/common.h>
+#include <mach/gpio.h>
+#include <mach/board.h>
+#include <mach/common.h>
+#include <mach/hsmmc.h>
+#include <mach/keypad.h>
+#include <mach/gpmc.h>
+#include <mach/nand.h>
+
+#define GPMC_OFF_CONFIG1_0 0x60
+
+static struct mtd_partition omap2evm_nand_partitions[] = {
+       {
+               .name           = "X-Loader",
+               .offset         = 0,
+               .size           = 1 * (64 * 2048),
+               .mask_flags     = MTD_WRITEABLE,        /* force read-only */
+       },
+       {
+               .name           = "U-Boot",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 3 * (64 * 2048),
+               .mask_flags     = MTD_WRITEABLE,        /* force read-only */
+       },
+       {
+               .name           = "U-Boot Environment",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 1 * (64 * 2048),
+        },
+       {
+               .name           = "Kernel",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 16 * (64 * 2048),     /* 2MB */
+       },
+       {
+               .name           = "Ramdisk",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 32 * (64 * 2048),     /* 4MB */
+       },
+       {
+               .name           = "Filesystem",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = MTDPART_SIZ_FULL,
+       }
+};
+
+static struct omap_nand_platform_data omap2evm_nand_data = {
+       .parts          = omap2evm_nand_partitions,
+       .nr_parts       = ARRAY_SIZE(omap2evm_nand_partitions),
+       .dma_channel    = -1,   /* disable DMA in OMAP NAND driver */
+};
+
+static struct resource omap2evm_nand_resource = {
+       .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device omap2evm_nand_device = {
+       .name           = "omap2-nand",
+       .id             = -1,
+       .dev            = {
+               .platform_data  = &omap2evm_nand_data,
+       },
+       .num_resources  = 1,
+       .resource       = &omap2evm_nand_resource,
+};
+
+void __init omap2evm_flash_init(void)
+{
+       void __iomem *gpmc_base_add, *gpmc_cs_base_add;
+       unsigned char cs = 0;
+
+       gpmc_base_add = (__force void __iomem *)OMAP243X_GPMC_VIRT;
+       while (cs < GPMC_CS_NUM) {
+               int ret = 0;
+
+               /* Each GPMC set for a single CS is at offset 0x30 */
+               gpmc_cs_base_add = (gpmc_base_add + GPMC_OFF_CONFIG1_0 +
+                                   (cs * 0x30));
+
+               /* xloader/Uboot would have programmed the NAND
+                * base address for us This is a ugly hack. The proper
+                * way of doing this is to pass the setup of u-boot up
+                * to kernel using kernel params - something on the
+                * lines of machineID. Check if Nand is
+                * configured */
+               ret = __raw_readl(gpmc_cs_base_add + GPMC_CS_CONFIG1);
+               if ((ret & 0xC00) == (0x800)) {
+                       /* Found it!! */
+                       printk(KERN_INFO "NAND: Found NAND on CS %d \n", cs);
+                       break;
+               }
+               cs++;
+       }
+       if (cs >= GPMC_CS_NUM) {
+               printk(KERN_INFO "MTD: Unable to find MTD configuration in "
+                                "GPMC   - not registering.\n");
+               return;
+       }
+
+       omap2evm_nand_data.cs                   = cs;
+       omap2evm_nand_data.gpmc_cs_baseaddr     = gpmc_cs_base_add;
+       omap2evm_nand_data.gpmc_baseaddr        = gpmc_base_add;
+
+       if (platform_device_register(&omap2evm_nand_device) < 0) {
+               printk(KERN_ERR "Unable to register NAND device\n");
+               return;
+       }
+}
 
 static struct resource omap2evm_smc911x_resources[] = {
        [0] =   {
@@ -62,9 +172,54 @@ static inline void __init omap2evm_init_smc911x(void)
 
 }
 
+static struct platform_device omap2_evm_lcd_device = {
+       .name           = "omap2evm_lcd",
+       .id             = -1,
+};
+
+static struct omap_lcd_config omap2_evm_lcd_config __initdata = {
+       .ctrl_name      = "internal",
+};
+
+static int omap2evm_keymap[] = {
+       KEY(0, 0, KEY_LEFT),
+       KEY(0, 1, KEY_RIGHT),
+       KEY(0, 2, KEY_A),
+       KEY(0, 3, KEY_B),
+       KEY(1, 0, KEY_DOWN),
+       KEY(1, 1, KEY_UP),
+       KEY(1, 2, KEY_E),
+       KEY(1, 3, KEY_F),
+       KEY(2, 0, KEY_ENTER),
+       KEY(2, 1, KEY_I),
+       KEY(2, 2, KEY_J),
+       KEY(2, 3, KEY_K),
+       KEY(3, 0, KEY_M),
+       KEY(3, 1, KEY_N),
+       KEY(3, 2, KEY_O),
+       KEY(3, 3, KEY_P)
+};
+
+static struct omap_kp_platform_data omap2evm_kp_data = {
+       .rows           = 4,
+       .cols           = 4,
+       .keymap         = omap2evm_keymap,
+       .keymapsize     = ARRAY_SIZE(omap2evm_keymap),
+       .rep            = 1,
+       .irq            = TWL4030_MODIRQ_KEYPAD,
+};
+
+static struct platform_device omap2evm_kp_device = {
+       .name           = "omap_twl4030keypad",
+       .id             = -1,
+       .dev            = {
+                               .platform_data = &omap2evm_kp_data,
+                       },
+};
+
 static void __init omap2_evm_init_irq(void)
 {
-       omap2_init_common_hw();
+       omap2_init_common_hw(NULL);
        omap_init_irq();
        omap_gpio_init();
        omap2evm_init_smc911x();
@@ -74,8 +229,17 @@ static struct omap_uart_config omap2_evm_uart_config __initdata = {
        .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
 };
 
+static struct omap_mmc_config omap2_evm_mmc_config __initdata = {
+       .mmc [0] = {
+               .enabled        = 1,
+               .wire4          = 1,
+       },
+};
+
 static struct omap_board_config_kernel omap2_evm_config[] __initdata = {
-       {OMAP_TAG_UART, &omap2_evm_uart_config},
+       { OMAP_TAG_UART,        &omap2_evm_uart_config },
+       { OMAP_TAG_LCD,         &omap2_evm_lcd_config },
+       { OMAP_TAG_MMC,         &omap2_evm_mmc_config },
 };
 
 static int __init omap2_evm_i2c_init(void)
@@ -90,7 +254,9 @@ static int __init omap2_evm_i2c_init(void)
 }
 
 static struct platform_device *omap2_evm_devices[] __initdata = {
-    &omap2evm_smc911x_device,
+       &omap2_evm_lcd_device,
+       &omap2evm_smc911x_device,
+       &omap2evm_kp_device,
 };
 
 static void __init omap2_evm_init(void)
@@ -99,6 +265,8 @@ static void __init omap2_evm_init(void)
        omap_board_config = omap2_evm_config;
        omap_board_config_size = ARRAY_SIZE(omap2_evm_config);
        omap_serial_init();
+       hsmmc_init();
+       omap2evm_flash_init();
 }
 
 static void __init omap2_evm_map_io(void)