From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-omap2/board-apollon.c | 360 ++++++++++++++++++++++++++++++++++++ 1 file changed, 360 insertions(+) create mode 100644 arch/arm/mach-omap2/board-apollon.c (limited to 'arch/arm/mach-omap2/board-apollon.c') diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c new file mode 100644 index 00000000..b124bdfb --- /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 + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#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 */ + .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 -- cgit v1.2.3