1 files changed, 285 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
new file mode 100644
index 0000000..6c6ba17
--- /dev/null
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -0,0 +1,285 @@
+/*
+ * linux/arch/arm/mach-omap/omap2/board-apollon.c
+ *
+ * Copyright (C) 2005,2006 Samsung Electronics
+ * Author: Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * Modified from mach-omap/omap2/board-h4.c
+ *
+ * Code for apollon OMAP2 board. Should work on many OMAP2 systems where
+ * the bootloader passes the board-specific data to the kernel.
+ * Do not put any board specific code to this file; create a new machine
+ * type if you need custom low-level initializations.
+ *
+ * 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/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/onenand.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/usb.h>
+#include <asm/arch/board.h>
+#include <asm/arch/common.h>
+#include "prcm-regs.h"
+
+/* LED & Switch macros */
+#define LED0_GPIO13		13
+#define LED1_GPIO14		14
+#define LED2_GPIO15		15
+#define SW_ENTER_GPIO16		16
+#define SW_UP_GPIO17		17
+#define SW_DOWN_GPIO58		58
+
+static struct mtd_partition apollon_partitions[] = {
+	{
+		.name		= "X-Loader + U-Boot",
+		.offset		= 0,
+		.size		= SZ_128K,
+		.mask_flags	= MTD_WRITEABLE,
+	},
+	{
+		.name		= "params",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_128K,
+	},
+	{
+		.name		= "kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_2M,
+	},
+	{
+		.name		= "rootfs",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_16M,
+	},
+	{
+		.name		= "filesystem00",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_32M,
+	},
+	{
+		.name		= "filesystem01",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct flash_platform_data apollon_flash_data = {
+	.parts		= apollon_partitions,
+	.nr_parts	= ARRAY_SIZE(apollon_partitions),
+};
+
+static struct resource apollon_flash_resource = {
+	.start		= APOLLON_CS0_BASE,
+	.end		= APOLLON_CS0_BASE + SZ_128K,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device apollon_onenand_device = {
+	.name		= "onenand",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &apollon_flash_data,
+	},
+	.num_resources	= ARRAY_SIZE(&apollon_flash_resource),
+	.resource	= &apollon_flash_resource,
+};
+
+static struct resource apollon_smc91x_resources[] = {
+	[0] = {
+		.start	= APOLLON_ETHR_START,		/* Physical */
+		.end	= APOLLON_ETHR_START + 0xf,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
+		.end	= OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device apollon_smc91x_device = {
+	.name		= "smc91x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(apollon_smc91x_resources),
+	.resource	= apollon_smc91x_resources,
+};
+
+static struct platform_device apollon_lcd_device = {
+	.name		= "apollon_lcd",
+	.id		= -1,
+};
+
+static struct platform_device *apollon_devices[] __initdata = {
+	&apollon_onenand_device,
+	&apollon_smc91x_device,
+	&apollon_lcd_device,
+};
+
+static inline void __init apollon_init_smc91x(void)
+{
+	/* Make sure CS1 timings are correct */
+	GPMC_CONFIG1_1 = 0x00011203;
+	GPMC_CONFIG2_1 = 0x001f1f01;
+	GPMC_CONFIG3_1 = 0x00080803;
+	GPMC_CONFIG4_1 = 0x1c091c09;
+	GPMC_CONFIG5_1 = 0x041f1f1f;
+	GPMC_CONFIG6_1 = 0x000004c4;
+	GPMC_CONFIG7_1 = 0x00000f40 | (APOLLON_CS1_BASE >> 24);
+	udelay(100);
+
+	omap_cfg_reg(W4__24XX_GPIO74);
+	if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
+		printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
+			APOLLON_ETHR_GPIO_IRQ);
+		return;
+	}
+	omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
+}
+
+static void __init omap_apollon_init_irq(void)
+{
+	omap2_init_common_hw();
+	omap_init_irq();
+	omap_gpio_init();
+	apollon_init_smc91x();
+}
+
+static struct omap_uart_config apollon_uart_config __initdata = {
+	.enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
+};
+
+static struct omap_mmc_config apollon_mmc_config __initdata = {
+	.mmc [0] = {
+		.enabled 	= 0,
+		.wire4		= 0,
+		.wp_pin		= -1,
+		.power_pin	= -1,
+		.switch_pin	= -1,
+	},
+};
+
+static struct omap_lcd_config apollon_lcd_config __initdata = {
+	.ctrl_name	= "internal",
+};
+
+static struct omap_board_config_kernel apollon_config[] = {
+	{ OMAP_TAG_UART,	&apollon_uart_config },
+	{ OMAP_TAG_MMC,		&apollon_mmc_config },
+	{ OMAP_TAG_LCD,		&apollon_lcd_config },
+};
+
+static void __init apollon_led_init(void)
+{
+	/* LED0 - AA10 */
+	omap_cfg_reg(AA10_242X_GPIO13);
+	omap_request_gpio(LED0_GPIO13);
+	omap_set_gpio_direction(LED0_GPIO13, 0);
+	omap_set_gpio_dataout(LED0_GPIO13, 0);
+	/* LED1  - AA6 */
+	omap_cfg_reg(AA6_242X_GPIO14);
+	omap_request_gpio(LED1_GPIO14);
+	omap_set_gpio_direction(LED1_GPIO14, 0);
+	omap_set_gpio_dataout(LED1_GPIO14, 0);
+	/* LED2  - AA4 */
+	omap_cfg_reg(AA4_242X_GPIO15);
+	omap_request_gpio(LED2_GPIO15);
+	omap_set_gpio_direction(LED2_GPIO15, 0);
+	omap_set_gpio_dataout(LED2_GPIO15, 0);
+}
+
+static irqreturn_t apollon_sw_interrupt(int irq, void *ignored, struct pt_regs *regs)
+{
+	static unsigned int led0, led1, led2;
+
+	if (irq == OMAP_GPIO_IRQ(SW_ENTER_GPIO16))
+		omap_set_gpio_dataout(LED0_GPIO13, led0 ^= 1);
+	else if (irq == OMAP_GPIO_IRQ(SW_UP_GPIO17))
+		omap_set_gpio_dataout(LED1_GPIO14, led1 ^= 1);
+	else if (irq == OMAP_GPIO_IRQ(SW_DOWN_GPIO58))
+		omap_set_gpio_dataout(LED2_GPIO15, led2 ^= 1);
+
+	return IRQ_HANDLED;
+}
+
+static void __init apollon_sw_init(void)
+{
+	/* Enter SW - Y11 */
+	omap_cfg_reg(Y11_242X_GPIO16);
+	omap_request_gpio(SW_ENTER_GPIO16);
+	omap_set_gpio_direction(SW_ENTER_GPIO16, 1);
+	/* Up SW - AA12 */
+	omap_cfg_reg(AA12_242X_GPIO17);
+	omap_request_gpio(SW_UP_GPIO17);
+	omap_set_gpio_direction(SW_UP_GPIO17, 1);
+	/* Down SW - AA8 */
+	omap_cfg_reg(AA8_242X_GPIO58);
+	omap_request_gpio(SW_DOWN_GPIO58);
+	omap_set_gpio_direction(SW_DOWN_GPIO58, 1);
+
+	set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQT_RISING);
+	if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt,
+				SA_SHIRQ, "enter sw",
+				&apollon_sw_interrupt))
+		return;
+	set_irq_type(OMAP_GPIO_IRQ(SW_UP_GPIO17), IRQT_RISING);
+	if (request_irq(OMAP_GPIO_IRQ(SW_UP_GPIO17), &apollon_sw_interrupt,
+				SA_SHIRQ, "up sw",
+				&apollon_sw_interrupt))
+		return;
+	set_irq_type(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), IRQT_RISING);
+	if (request_irq(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), &apollon_sw_interrupt,
+				SA_SHIRQ, "down sw",
+				&apollon_sw_interrupt))
+		return;
+}
+
+static void __init omap_apollon_init(void)
+{
+	apollon_led_init();
+	apollon_sw_init();
+
+	/* REVISIT: where's the correct place */
+	omap_cfg_reg(W19_24XX_SYS_NIRQ);
+
+	/*
+ 	 * Make sure the serial ports are muxed on at this point.
+	 * You have to mux them off in device drivers later on
+	 * if not needed.
+	 */
+	platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
+	omap_board_config = apollon_config;
+	omap_board_config_size = ARRAY_SIZE(apollon_config);
+	omap_serial_init();
+}
+
+static void __init omap_apollon_map_io(void)
+{
+	omap2_map_common_io();
+}
+
+MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
+	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
+	.phys_io	= 0x48000000,
+	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
+	.boot_params	= 0x80000100,
+	.map_io		= omap_apollon_map_io,
+	.init_irq	= omap_apollon_init_irq,
+	.init_machine	= omap_apollon_init,
+	.timer		= &omap_timer,
+MACHINE_END