1 files changed, 334 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
new file mode 100644
index 000000000000..9e5ada01b5fa
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -0,0 +1,334 @@
+/*
+ * linux/arch/arm/mach-omap2/board-omap3beagle.c
+ *
+ * Copyright (C) 2008 Texas Instruments
+ *
+ * Modified from mach-omap2/board-3430sdp.c
+ *
+ * Initial code: Syed Mohammed Khasim
+ *
+ * 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/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.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 <mach/board.h>
+#include <mach/common.h>
+#include <mach/gpmc.h>
+#include <mach/nand.h>
+#include <mach/mux.h>
+
+#include "mmc-twl4030.h"
+
+#define GPMC_CS0_BASE  0x60
+#define GPMC_CS_SIZE   0x30
+
+#define NAND_BLOCK_SIZE		SZ_128K
+
+static struct mtd_partition omap3beagle_nand_partitions[] = {
+	/* All the partition sizes are listed in terms of NAND block size */
+	{
+		.name		= "X-Loader",
+		.offset		= 0,
+		.size		= 4 * NAND_BLOCK_SIZE,
+		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
+	},
+	{
+		.name		= "U-Boot",
+		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
+		.size		= 15 * NAND_BLOCK_SIZE,
+		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
+	},
+	{
+		.name		= "U-Boot Env",
+		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x260000 */
+		.size		= 1 * NAND_BLOCK_SIZE,
+	},
+	{
+		.name		= "Kernel",
+		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x280000 */
+		.size		= 32 * NAND_BLOCK_SIZE,
+	},
+	{
+		.name		= "File System",
+		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x680000 */
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct omap_nand_platform_data omap3beagle_nand_data = {
+	.options	= NAND_BUSWIDTH_16,
+	.parts		= omap3beagle_nand_partitions,
+	.nr_parts	= ARRAY_SIZE(omap3beagle_nand_partitions),
+	.dma_channel	= -1,		/* disable DMA in OMAP NAND driver */
+	.nand_setup	= NULL,
+	.dev_ready	= NULL,
+};
+
+static struct resource omap3beagle_nand_resource = {
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device omap3beagle_nand_device = {
+	.name		= "omap2-nand",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &omap3beagle_nand_data,
+	},
+	.num_resources	= 1,
+	.resource	= &omap3beagle_nand_resource,
+};
+
+static struct omap_uart_config omap3_beagle_uart_config __initdata = {
+	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct twl4030_hsmmc_info mmc[] = {
+	{
+		.mmc		= 1,
+		.wires		= 8,
+		.gpio_wp	= 29,
+	},
+	{}	/* Terminator */
+};
+
+static struct gpio_led gpio_leds[];
+
+static int beagle_twl_gpio_setup(struct device *dev,
+		unsigned gpio, unsigned ngpio)
+{
+	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
+
+	/* REVISIT: need ehci-omap hooks for external VBUS
+	 * power switch and overcurrent detect
+	 */
+
+	gpio_request(gpio + 1, "EHCI_nOC");
+	gpio_direction_input(gpio + 1);
+
+	/* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
+	gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
+	gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
+
+	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
+	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+
+	return 0;
+}
+
+static struct twl4030_gpio_platform_data beagle_gpio_data = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES,
+	.irq_base	= TWL4030_GPIO_IRQ_BASE,
+	.irq_end	= TWL4030_GPIO_IRQ_END,
+	.use_leds	= true,
+	.pullups	= BIT(1),
+	.pulldowns	= BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
+				| BIT(15) | BIT(16) | BIT(17),
+	.setup		= beagle_twl_gpio_setup,
+};
+
+static struct twl4030_platform_data beagle_twldata = {
+	.irq_base	= TWL4030_IRQ_BASE,
+	.irq_end	= TWL4030_IRQ_END,
+
+	/* platform_data for children goes here */
+	.gpio		= &beagle_gpio_data,
+};
+
+static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("twl4030", 0x48),
+		.flags = I2C_CLIENT_WAKE,
+		.irq = INT_34XX_SYS_NIRQ,
+		.platform_data = &beagle_twldata,
+	},
+};
+
+static int __init omap3_beagle_i2c_init(void)
+{
+	omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
+			ARRAY_SIZE(beagle_i2c_boardinfo));
+#ifdef CONFIG_I2C2_OMAP_BEAGLE
+	omap_register_i2c_bus(2, 400, NULL, 0);
+#endif
+	omap_register_i2c_bus(3, 400, NULL, 0);
+	return 0;
+}
+
+static void __init omap3_beagle_init_irq(void)
+{
+	omap2_init_common_hw();
+	omap_init_irq();
+	omap_gpio_init();
+}
+
+static struct platform_device omap3_beagle_lcd_device = {
+	.name		= "omap3beagle_lcd",
+	.id		= -1,
+};
+
+static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
+	.ctrl_name	= "internal",
+};
+
+static struct gpio_led gpio_leds[] = {
+	{
+		.name			= "beagleboard::usr0",
+		.default_trigger	= "heartbeat",
+		.gpio			= 150,
+	},
+	{
+		.name			= "beagleboard::usr1",
+		.default_trigger	= "mmc0",
+		.gpio			= 149,
+	},
+	{
+		.name			= "beagleboard::pmu_stat",
+		.gpio			= -EINVAL,	/* gets replaced */
+		.active_low		= true,
+	},
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+	.leds		= gpio_leds,
+	.num_leds	= ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &gpio_led_info,
+	},
+};
+
+static struct gpio_keys_button gpio_buttons[] = {
+	{
+		.code			= BTN_EXTRA,
+		.gpio			= 7,
+		.desc			= "user",
+		.wakeup			= 1,
+	},
+};
+
+static struct gpio_keys_platform_data gpio_key_info = {
+	.buttons	= gpio_buttons,
+	.nbuttons	= ARRAY_SIZE(gpio_buttons),
+};
+
+static struct platform_device keys_gpio = {
+	.name	= "gpio-keys",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &gpio_key_info,
+	},
+};
+
+static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
+	{ OMAP_TAG_UART,	&omap3_beagle_uart_config },
+	{ OMAP_TAG_LCD,		&omap3_beagle_lcd_config },
+};
+
+static struct platform_device *omap3_beagle_devices[] __initdata = {
+	&omap3_beagle_lcd_device,
+	&leds_gpio,
+	&keys_gpio,
+};
+
+static void __init omap3beagle_flash_init(void)
+{
+	u8 cs = 0;
+	u8 nandcs = GPMC_CS_NUM + 1;
+
+	u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
+
+	/* find out the chip-select on which NAND exists */
+	while (cs < GPMC_CS_NUM) {
+		u32 ret = 0;
+		ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
+
+		if ((ret & 0xC00) == 0x800) {
+			printk(KERN_INFO "Found NAND on CS%d\n", cs);
+			if (nandcs > GPMC_CS_NUM)
+				nandcs = cs;
+		}
+		cs++;
+	}
+
+	if (nandcs > GPMC_CS_NUM) {
+		printk(KERN_INFO "NAND: Unable to find configuration "
+				 "in GPMC\n ");
+		return;
+	}
+
+	if (nandcs < GPMC_CS_NUM) {
+		omap3beagle_nand_data.cs = nandcs;
+		omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
+			(gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
+		omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
+
+		printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
+		if (platform_device_register(&omap3beagle_nand_device) < 0)
+			printk(KERN_ERR "Unable to register NAND device\n");
+	}
+}
+
+static void __init omap3_beagle_init(void)
+{
+	omap3_beagle_i2c_init();
+	platform_add_devices(omap3_beagle_devices,
+			ARRAY_SIZE(omap3_beagle_devices));
+	omap_board_config = omap3_beagle_config;
+	omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
+	omap_serial_init();
+
+	omap_cfg_reg(AH8_34XX_GPIO29);
+	mmc[0].gpio_cd = gpio + 0;
+	twl4030_mmc_init(mmc);
+
+	omap_cfg_reg(J25_34XX_GPIO170);
+	gpio_request(170, "DVI_nPD");
+	/* REVISIT leave DVI powered down until it's needed ... */
+	gpio_direction_output(170, true);
+
+	omap3beagle_flash_init();
+}
+
+static void __init omap3_beagle_map_io(void)
+{
+	omap2_set_globals_343x();
+	omap2_map_common_io();
+}
+
+MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
+	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
+	.phys_io	= 0x48000000,
+	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
+	.boot_params	= 0x80000100,
+	.map_io		= omap3_beagle_map_io,
+	.init_irq	= omap3_beagle_init_irq,
+	.init_machine	= omap3_beagle_init,
+	.timer		= &omap_timer,
+MACHINE_END