1 files changed, 360 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
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--- /dev/null
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -0,0 +1,360 @@
+/*
+ * linux/arch/arm/mach-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/delay.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/smc91x.h>
+#include <linux/gpio.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+#include <plat/led.h>
+#include <plat/usb.h>
+#include <plat/board.h>
+#include <plat/common.h>
+#include <plat/gpmc.h>
+
+#include "mux.h"
+#include "control.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
+
+#define APOLLON_FLASH_CS	0
+#define APOLLON_ETH_CS		1
+#define APOLLON_ETHR_GPIO_IRQ	74
+
+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 onenand_platform_data apollon_flash_data = {
+	.parts		= apollon_partitions,
+	.nr_parts	= ARRAY_SIZE(apollon_partitions),
+};
+
+static struct resource apollon_flash_resource[] = {
+	[0] = {
+		.flags		= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device apollon_onenand_device = {
+	.name		= "onenand-flash",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &apollon_flash_data,
+	},
+	.num_resources	= ARRAY_SIZE(apollon_flash_resource),
+	.resource	= apollon_flash_resource,
+};
+
+static void __init apollon_flash_init(void)
+{
+	unsigned long base;
+
+	if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
+		printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
+		return;
+	}
+	apollon_flash_resource[0].start = base;
+	apollon_flash_resource[0].end   = base + SZ_128K - 1;
+}
+
+static struct smc91x_platdata appolon_smc91x_info = {
+	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT,
+	.leda	= RPC_LED_100_10,
+	.ledb	= RPC_LED_TX_RX,
+};
+
+static struct resource apollon_smc91x_resources[] = {
+	[0] = {
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
+		.end	= OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+	},
+};
+
+static struct platform_device apollon_smc91x_device = {
+	.name		= "smc91x",
+	.id		= -1,
+	.dev	= {
+		.platform_data	= &appolon_smc91x_info,
+	},
+	.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 omap_led_config apollon_led_config[] = {
+	{
+		.cdev	= {
+			.name	= "apollon:led0",
+		},
+		.gpio	= LED0_GPIO13,
+	},
+	{
+		.cdev	= {
+			.name	= "apollon:led1",
+		},
+		.gpio	= LED1_GPIO14,
+	},
+	{
+		.cdev	= {
+			.name	= "apollon:led2",
+		},
+		.gpio	= LED2_GPIO15,
+	},
+};
+
+static struct omap_led_platform_data apollon_led_data = {
+	.nr_leds	= ARRAY_SIZE(apollon_led_config),
+	.leds		= apollon_led_config,
+};
+
+static struct platform_device apollon_led_device = {
+	.name		= "omap-led",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &apollon_led_data,
+	},
+};
+
+static struct platform_device *apollon_devices[] __initdata = {
+	&apollon_onenand_device,
+	&apollon_smc91x_device,
+	&apollon_lcd_device,
+	&apollon_led_device,
+};
+
+static inline void __init apollon_init_smc91x(void)
+{
+	unsigned long base;
+
+	unsigned int rate;
+	struct clk *gpmc_fck;
+	int eth_cs;
+	int err;
+
+	gpmc_fck = clk_get(NULL, "gpmc_fck");	/* Always on ENABLE_ON_INIT */
+	if (IS_ERR(gpmc_fck)) {
+		WARN_ON(1);
+		return;
+	}
+
+	clk_enable(gpmc_fck);
+	rate = clk_get_rate(gpmc_fck);
+
+	eth_cs = APOLLON_ETH_CS;
+
+	/* Make sure CS1 timings are correct */
+	gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
+
+	if (rate >= 160000000) {
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
+	} else if (rate >= 130000000) {
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
+	} else {/* rate = 100000000 */
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
+		gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
+	}
+
+	if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
+		printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
+		goto out;
+	}
+	apollon_smc91x_resources[0].start = base + 0x300;
+	apollon_smc91x_resources[0].end   = base + 0x30f;
+	udelay(100);
+
+	omap_mux_init_gpio(APOLLON_ETHR_GPIO_IRQ, 0);
+	err = gpio_request_one(APOLLON_ETHR_GPIO_IRQ, GPIOF_IN, "SMC91x irq");
+	if (err) {
+		printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
+			APOLLON_ETHR_GPIO_IRQ);
+		gpmc_cs_free(APOLLON_ETH_CS);
+	}
+out:
+	clk_disable(gpmc_fck);
+	clk_put(gpmc_fck);
+}
+
+static struct omap_usb_config apollon_usb_config __initdata = {
+	.register_dev	= 1,
+	.hmc_mode	= 0x14,	/* 0:dev 1:host1 2:disable */
+
+	.pins[0]	= 6,
+};
+
+static struct omap_lcd_config apollon_lcd_config __initdata = {
+	.ctrl_name	= "internal",
+};
+
+static struct omap_board_config_kernel apollon_config[] __initdata = {
+	{ OMAP_TAG_LCD,		&apollon_lcd_config },
+};
+
+static void __init omap_apollon_init_early(void)
+{
+	omap2_init_common_infrastructure();
+	omap2_init_common_devices(NULL, NULL);
+}
+
+static struct gpio apollon_gpio_leds[] __initdata = {
+	{ LED0_GPIO13, GPIOF_OUT_INIT_LOW, "LED0" }, /* LED0 - AA10 */
+	{ LED1_GPIO14, GPIOF_OUT_INIT_LOW, "LED1" }, /* LED1 - AA6  */
+	{ LED2_GPIO15, GPIOF_OUT_INIT_LOW, "LED2" }, /* LED2 - AA4  */
+};
+
+static void __init apollon_led_init(void)
+{
+	omap_mux_init_signal("vlynq_clk.gpio_13", 0);
+	omap_mux_init_signal("vlynq_rx1.gpio_14", 0);
+	omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
+
+	gpio_request_array(apollon_gpio_leds, ARRAY_SIZE(apollon_gpio_leds));
+}
+
+static void __init apollon_usb_init(void)
+{
+	/* USB device */
+	/* DEVICE_SUSPEND */
+	omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
+	gpio_request_one(12, GPIOF_OUT_INIT_LOW, "USB suspend");
+	omap2_usbfs_init(&apollon_usb_config);
+}
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux board_mux[] __initdata = {
+	{ .reg_offset = OMAP_MUX_TERMINATOR },
+};
+#endif
+
+static void __init omap_apollon_init(void)
+{
+	u32 v;
+
+	omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
+	omap_board_config = apollon_config;
+	omap_board_config_size = ARRAY_SIZE(apollon_config);
+
+	apollon_init_smc91x();
+	apollon_led_init();
+	apollon_flash_init();
+	apollon_usb_init();
+
+	/* REVISIT: where's the correct place */
+	omap_mux_init_signal("sys_nirq", OMAP_PULL_ENA | OMAP_PULL_UP);
+
+	/* LCD PWR_EN */
+	omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
+
+	/* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
+	v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+	v |= (1 << 24);
+	omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
+
+	/*
+ 	 * 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_serial_init();
+}
+
+static void __init omap_apollon_map_io(void)
+{
+	omap2_set_globals_242x();
+	omap242x_map_common_io();
+}
+
+MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
+	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
+	.boot_params	= 0x80000100,
+	.reserve	= omap_reserve,
+	.map_io		= omap_apollon_map_io,
+	.init_early	= omap_apollon_init_early,
+	.init_irq	= omap_init_irq,
+	.init_machine	= omap_apollon_init,
+	.timer		= &omap_timer,
+MACHINE_END