| /* |
| * 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 <mach/hardware.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/flash.h> |
| |
| #include <mach/gpio.h> |
| #include <plat/led.h> |
| #include <plat/mux.h> |
| #include <plat/usb.h> |
| #include <plat/board.h> |
| #include <plat/common.h> |
| #include <plat/gpmc.h> |
| #include <plat/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; |
| |
| 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_cfg_reg(W4__24XX_GPIO74); |
| if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) { |
| printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", |
| APOLLON_ETHR_GPIO_IRQ); |
| gpmc_cs_free(APOLLON_ETH_CS); |
| goto out; |
| } |
| gpio_direction_input(APOLLON_ETHR_GPIO_IRQ); |
| |
| 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[] = { |
| { OMAP_TAG_LCD, &apollon_lcd_config }, |
| }; |
| |
| static void __init omap_apollon_init_irq(void) |
| { |
| omap_board_config = apollon_config; |
| omap_board_config_size = ARRAY_SIZE(apollon_config); |
| omap2_init_common_hw(NULL, NULL); |
| omap_init_irq(); |
| omap_gpio_init(); |
| apollon_init_smc91x(); |
| } |
| |
| static void __init apollon_led_init(void) |
| { |
| /* LED0 - AA10 */ |
| omap_cfg_reg(AA10_242X_GPIO13); |
| gpio_request(LED0_GPIO13, "LED0"); |
| gpio_direction_output(LED0_GPIO13, 0); |
| /* LED1 - AA6 */ |
| omap_cfg_reg(AA6_242X_GPIO14); |
| gpio_request(LED1_GPIO14, "LED1"); |
| gpio_direction_output(LED1_GPIO14, 0); |
| /* LED2 - AA4 */ |
| omap_cfg_reg(AA4_242X_GPIO15); |
| gpio_request(LED2_GPIO15, "LED2"); |
| gpio_direction_output(LED2_GPIO15, 0); |
| } |
| |
| static void __init apollon_usb_init(void) |
| { |
| /* USB device */ |
| /* DEVICE_SUSPEND */ |
| omap_cfg_reg(P21_242X_GPIO12); |
| gpio_request(12, "USB suspend"); |
| gpio_direction_output(12, 0); |
| omap2_usbfs_init(&apollon_usb_config); |
| } |
| |
| static void __init omap_apollon_init(void) |
| { |
| u32 v; |
| |
| apollon_led_init(); |
| apollon_flash_init(); |
| apollon_usb_init(); |
| |
| /* REVISIT: where's the correct place */ |
| omap_cfg_reg(W19_24XX_SYS_NIRQ); |
| |
| /* 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> */ |
| .phys_io = 0x48000000, |
| .io_pg_offst = ((0xfa000000) >> 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 |