| /* | 
 |  * 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 "common.h" | 
 | #include <plat/gpmc.h> | 
 |  | 
 | #include <video/omapdss.h> | 
 | #include <video/omap-panel-generic-dpi.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 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_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 panel_generic_dpi_data apollon_panel_data = { | 
 | 	.name			= "apollon", | 
 | }; | 
 |  | 
 | static struct omap_dss_device apollon_lcd_device = { | 
 | 	.name			= "lcd", | 
 | 	.driver_name		= "generic_dpi_panel", | 
 | 	.type			= OMAP_DISPLAY_TYPE_DPI, | 
 | 	.phy.dpi.data_lines	= 18, | 
 | 	.data			= &apollon_panel_data, | 
 | }; | 
 |  | 
 | static struct omap_dss_device *apollon_dss_devices[] = { | 
 | 	&apollon_lcd_device, | 
 | }; | 
 |  | 
 | static struct omap_dss_board_info apollon_dss_data = { | 
 | 	.num_devices	= ARRAY_SIZE(apollon_dss_devices), | 
 | 	.devices	= apollon_dss_devices, | 
 | 	.default_device	= &apollon_lcd_device, | 
 | }; | 
 |  | 
 | 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); | 
 |  | 
 | 	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(); | 
 | 	omap_sdrc_init(NULL, NULL); | 
 | 	omap_display_init(&apollon_dss_data); | 
 | } | 
 |  | 
 | MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon") | 
 | 	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */ | 
 | 	.atag_offset	= 0x100, | 
 | 	.reserve	= omap_reserve, | 
 | 	.map_io		= omap242x_map_io, | 
 | 	.init_early	= omap2420_init_early, | 
 | 	.init_irq	= omap2_init_irq, | 
 | 	.handle_irq	= omap2_intc_handle_irq, | 
 | 	.init_machine	= omap_apollon_init, | 
 | 	.timer		= &omap2_timer, | 
 | 	.restart	= omap_prcm_restart, | 
 | MACHINE_END |