[ARM] OMAP2 SDRC: add SDRAM timing parameter infrastructure

[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / board-ldp.c

diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 1ea59986aa7acfde5258960530f7e0435fe80568..61f7c365a28cb3082db7f4dc2f335a916b24e946 100644 (file)
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -21,6 +21,7 @@
 #include <linux/clk.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
+#include <linux/i2c/twl4030.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -38,11 +39,69 @@
 #include <asm/delay.h>
 #include <mach/control.h>
 
+#include "mmc-twl4030.h"
+
+#define SDP3430_SMC91X_CS      3
+
+static struct resource ldp_smc911x_resources[] = {
+       [0] = {
+               .start  = OMAP34XX_ETHR_START,
+               .end    = OMAP34XX_ETHR_START + SZ_4K,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = 0,
+               .end    = 0,
+               .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+       },
+};
+
+static struct platform_device ldp_smc911x_device = {
+       .name           = "smc911x",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(ldp_smc911x_resources),
+       .resource       = ldp_smc911x_resources,
+};
+
+static struct platform_device *ldp_devices[] __initdata = {
+       &ldp_smc911x_device,
+};
+
+static inline void __init ldp_init_smc911x(void)
+{
+       int eth_cs;
+       unsigned long cs_mem_base;
+       int eth_gpio = 0;
+
+       eth_cs = LDP_SMC911X_CS;
+
+       if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
+               printk(KERN_ERR "Failed to request GPMC mem for smc911x\n");
+               return;
+       }
+
+       ldp_smc911x_resources[0].start = cs_mem_base + 0x0;
+       ldp_smc911x_resources[0].end   = cs_mem_base + 0xf;
+       udelay(100);
+
+       eth_gpio = LDP_SMC911X_GPIO;
+
+       ldp_smc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
+
+       if (gpio_request(eth_gpio, "smc911x irq") < 0) {
+               printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
+                               eth_gpio);
+               return;
+       }
+       gpio_direction_input(eth_gpio);
+}
+
 static void __init omap_ldp_init_irq(void)
 {
-       omap2_init_common_hw();
+       omap2_init_common_hw(NULL);
        omap_init_irq();
        omap_gpio_init();
+       ldp_init_smc911x();
 }
 
 static struct omap_uart_config ldp_uart_config __initdata = {
@@ -53,20 +112,56 @@ static struct omap_board_config_kernel ldp_config[] __initdata = {
        { OMAP_TAG_UART,        &ldp_uart_config },
 };
 
+static struct twl4030_gpio_platform_data ldp_gpio_data = {
+       .gpio_base      = OMAP_MAX_GPIO_LINES,
+       .irq_base       = TWL4030_GPIO_IRQ_BASE,
+       .irq_end        = TWL4030_GPIO_IRQ_END,
+};
+
+static struct twl4030_platform_data ldp_twldata = {
+       .irq_base       = TWL4030_IRQ_BASE,
+       .irq_end        = TWL4030_IRQ_END,
+
+       /* platform_data for children goes here */
+       .gpio           = &ldp_gpio_data,
+};
+
+static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = {
+       {
+               I2C_BOARD_INFO("twl4030", 0x48),
+               .flags = I2C_CLIENT_WAKE,
+               .irq = INT_34XX_SYS_NIRQ,
+               .platform_data = &ldp_twldata,
+       },
+};
+
 static int __init omap_i2c_init(void)
 {
-       omap_register_i2c_bus(1, 2600, NULL, 0);
+       omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo,
+                       ARRAY_SIZE(ldp_i2c_boardinfo));
        omap_register_i2c_bus(2, 400, NULL, 0);
        omap_register_i2c_bus(3, 400, NULL, 0);
        return 0;
 }
 
+static struct twl4030_hsmmc_info mmc[] __initdata = {
+       {
+               .mmc            = 1,
+               .wires          = 4,
+               .gpio_cd        = -EINVAL,
+               .gpio_wp        = -EINVAL,
+       },
+       {}      /* Terminator */
+};
+
 static void __init omap_ldp_init(void)
 {
        omap_i2c_init();
+       platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
        omap_board_config = ldp_config;
        omap_board_config_size = ARRAY_SIZE(ldp_config);
        omap_serial_init();
+       twl4030_mmc_init(mmc);
 }
 
 static void __init omap_ldp_map_io(void)