| /* |
| * linux/arch/arm/mach-omap2/board-h4.c |
| * |
| * Copyright (C) 2005 Nokia Corporation |
| * Author: Paul Mundt <paul.mundt@nokia.com> |
| * |
| * Modified from mach-omap/omap1/board-generic.c |
| * |
| * 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/physmap.h> |
| #include <linux/delay.h> |
| #include <linux/workqueue.h> |
| #include <linux/i2c.h> |
| #include <linux/i2c/at24.h> |
| #include <linux/input.h> |
| #include <linux/err.h> |
| #include <linux/clk.h> |
| #include <linux/io.h> |
| |
| #include <mach/hardware.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| |
| #include <mach/gpio.h> |
| #include <plat/usb.h> |
| #include <plat/board.h> |
| #include <plat/common.h> |
| #include <plat/keypad.h> |
| #include <plat/menelaus.h> |
| #include <plat/dma.h> |
| #include <plat/gpmc.h> |
| |
| #include "mux.h" |
| #include "control.h" |
| |
| #define H4_FLASH_CS 0 |
| #define H4_SMC91X_CS 1 |
| |
| #define H4_ETHR_GPIO_IRQ 92 |
| |
| static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 }; |
| static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 }; |
| |
| static const unsigned int h4_keymap[] = { |
| KEY(0, 0, KEY_LEFT), |
| KEY(1, 0, KEY_RIGHT), |
| KEY(2, 0, KEY_A), |
| KEY(3, 0, KEY_B), |
| KEY(4, 0, KEY_C), |
| KEY(0, 1, KEY_DOWN), |
| KEY(1, 1, KEY_UP), |
| KEY(2, 1, KEY_E), |
| KEY(3, 1, KEY_F), |
| KEY(4, 1, KEY_G), |
| KEY(0, 2, KEY_ENTER), |
| KEY(1, 2, KEY_I), |
| KEY(2, 2, KEY_J), |
| KEY(3, 2, KEY_K), |
| KEY(4, 2, KEY_3), |
| KEY(0, 3, KEY_M), |
| KEY(1, 3, KEY_N), |
| KEY(2, 3, KEY_O), |
| KEY(3, 3, KEY_P), |
| KEY(4, 3, KEY_Q), |
| KEY(0, 4, KEY_R), |
| KEY(1, 4, KEY_4), |
| KEY(2, 4, KEY_T), |
| KEY(3, 4, KEY_U), |
| KEY(4, 4, KEY_ENTER), |
| KEY(0, 5, KEY_V), |
| KEY(1, 5, KEY_W), |
| KEY(2, 5, KEY_L), |
| KEY(3, 5, KEY_S), |
| KEY(4, 5, KEY_ENTER), |
| }; |
| |
| static struct mtd_partition h4_partitions[] = { |
| /* bootloader (U-Boot, etc) in first sector */ |
| { |
| .name = "bootloader", |
| .offset = 0, |
| .size = SZ_128K, |
| .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| }, |
| /* bootloader params in the next sector */ |
| { |
| .name = "params", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_128K, |
| .mask_flags = 0, |
| }, |
| /* kernel */ |
| { |
| .name = "kernel", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_2M, |
| .mask_flags = 0 |
| }, |
| /* file system */ |
| { |
| .name = "filesystem", |
| .offset = MTDPART_OFS_APPEND, |
| .size = MTDPART_SIZ_FULL, |
| .mask_flags = 0 |
| } |
| }; |
| |
| static struct physmap_flash_data h4_flash_data = { |
| .width = 2, |
| .parts = h4_partitions, |
| .nr_parts = ARRAY_SIZE(h4_partitions), |
| }; |
| |
| static struct resource h4_flash_resource = { |
| .flags = IORESOURCE_MEM, |
| }; |
| |
| static struct platform_device h4_flash_device = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = &h4_flash_data, |
| }, |
| .num_resources = 1, |
| .resource = &h4_flash_resource, |
| }; |
| |
| static const struct matrix_keymap_data h4_keymap_data = { |
| .keymap = h4_keymap, |
| .keymap_size = ARRAY_SIZE(h4_keymap), |
| }; |
| |
| static struct omap_kp_platform_data h4_kp_data = { |
| .rows = 6, |
| .cols = 7, |
| .keymap_data = &h4_keymap_data, |
| .rep = true, |
| .row_gpios = row_gpios, |
| .col_gpios = col_gpios, |
| }; |
| |
| static struct platform_device h4_kp_device = { |
| .name = "omap-keypad", |
| .id = -1, |
| .dev = { |
| .platform_data = &h4_kp_data, |
| }, |
| }; |
| |
| static struct platform_device h4_lcd_device = { |
| .name = "lcd_h4", |
| .id = -1, |
| }; |
| |
| static struct platform_device *h4_devices[] __initdata = { |
| &h4_flash_device, |
| &h4_kp_device, |
| &h4_lcd_device, |
| }; |
| |
| /* 2420 Sysboot setup (2430 is different) */ |
| static u32 get_sysboot_value(void) |
| { |
| return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) & |
| (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK | |
| OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK | |
| OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK)); |
| } |
| |
| /* H4-2420's always used muxed mode, H4-2422's always use non-muxed |
| * |
| * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423 |
| * correctly. The macro needs to look at production_id not just hawkeye. |
| */ |
| static u32 is_gpmc_muxed(void) |
| { |
| u32 mux; |
| mux = get_sysboot_value(); |
| if ((mux & 0xF) == 0xd) |
| return 1; /* NAND config (could be either) */ |
| if (mux & 0x2) /* if mux'ed */ |
| return 1; |
| else |
| return 0; |
| } |
| |
| static inline void __init h4_init_debug(void) |
| { |
| int eth_cs; |
| unsigned long cs_mem_base; |
| unsigned int muxed, rate; |
| struct clk *gpmc_fck; |
| |
| eth_cs = H4_SMC91X_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); |
| clk_disable(gpmc_fck); |
| clk_put(gpmc_fck); |
| |
| if (is_gpmc_muxed()) |
| muxed = 0x200; |
| else |
| muxed = 0; |
| |
| /* Make sure CS1 timings are correct */ |
| gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, |
| 0x00011000 | muxed); |
| |
| 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(eth_cs, SZ_16M, &cs_mem_base) < 0) { |
| printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); |
| goto out; |
| } |
| |
| udelay(100); |
| |
| omap_mux_init_gpio(92, 0); |
| if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0) |
| gpmc_cs_free(eth_cs); |
| |
| out: |
| clk_disable(gpmc_fck); |
| clk_put(gpmc_fck); |
| } |
| |
| static void __init h4_init_flash(void) |
| { |
| unsigned long base; |
| |
| if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) { |
| printk("Can't request GPMC CS for flash\n"); |
| return; |
| } |
| h4_flash_resource.start = base; |
| h4_flash_resource.end = base + SZ_64M - 1; |
| } |
| |
| static struct omap_lcd_config h4_lcd_config __initdata = { |
| .ctrl_name = "internal", |
| }; |
| |
| static struct omap_usb_config h4_usb_config __initdata = { |
| /* S1.10 OFF -- usb "download port" |
| * usb0 switched to Mini-B port and isp1105 transceiver; |
| * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging |
| */ |
| .register_dev = 1, |
| .pins[0] = 3, |
| /* .hmc_mode = 0x14,*/ /* 0:dev 1:host 2:disable */ |
| .hmc_mode = 0x00, /* 0:dev|otg 1:disable 2:disable */ |
| }; |
| |
| static struct omap_board_config_kernel h4_config[] __initdata = { |
| { OMAP_TAG_LCD, &h4_lcd_config }, |
| }; |
| |
| static void __init omap_h4_init_irq(void) |
| { |
| omap2_init_irq(); |
| } |
| |
| static struct at24_platform_data m24c01 = { |
| .byte_len = SZ_1K / 8, |
| .page_size = 16, |
| }; |
| |
| static struct i2c_board_info __initdata h4_i2c_board_info[] = { |
| { |
| I2C_BOARD_INFO("isp1301_omap", 0x2d), |
| .irq = OMAP_GPIO_IRQ(125), |
| }, |
| { /* EEPROM on mainboard */ |
| I2C_BOARD_INFO("24c01", 0x52), |
| .platform_data = &m24c01, |
| }, |
| { /* EEPROM on cpu card */ |
| I2C_BOARD_INFO("24c01", 0x57), |
| .platform_data = &m24c01, |
| }, |
| }; |
| |
| #ifdef CONFIG_OMAP_MUX |
| static struct omap_board_mux board_mux[] __initdata = { |
| { .reg_offset = OMAP_MUX_TERMINATOR }, |
| }; |
| #endif |
| |
| static void __init omap_h4_init(void) |
| { |
| omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF); |
| |
| omap_board_config = h4_config; |
| omap_board_config_size = ARRAY_SIZE(h4_config); |
| |
| /* |
| * 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. |
| */ |
| |
| #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) |
| omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP); |
| omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP); |
| omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP); |
| omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP); |
| if (omap_has_menelaus()) { |
| omap_mux_init_signal("sdrc_a14.gpio0", |
| OMAP_PULL_ENA | OMAP_PULL_UP); |
| omap_mux_init_signal("vlynq_rx0.gpio_15", 0); |
| omap_mux_init_signal("gpio_98", 0); |
| row_gpios[5] = 0; |
| col_gpios[2] = 15; |
| col_gpios[6] = 18; |
| } else { |
| omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP); |
| omap_mux_init_signal("gpio_100", 0); |
| omap_mux_init_signal("gpio_98", 0); |
| } |
| omap_mux_init_signal("gpio_90", 0); |
| omap_mux_init_signal("gpio_91", 0); |
| omap_mux_init_signal("gpio_36", 0); |
| omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0); |
| omap_mux_init_signal("gpio_97", 0); |
| #endif |
| |
| i2c_register_board_info(1, h4_i2c_board_info, |
| ARRAY_SIZE(h4_i2c_board_info)); |
| |
| platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices)); |
| omap2_usbfs_init(&h4_usb_config); |
| omap_serial_init(); |
| omap_sdrc_init(NULL, NULL); |
| h4_init_flash(); |
| } |
| |
| static void __init omap_h4_map_io(void) |
| { |
| omap2_set_globals_242x(); |
| omap242x_map_common_io(); |
| } |
| |
| MACHINE_START(OMAP_H4, "OMAP2420 H4 board") |
| /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ |
| .boot_params = 0x80000100, |
| .reserve = omap_reserve, |
| .map_io = omap_h4_map_io, |
| .init_early = omap2420_init_early, |
| .init_irq = omap_h4_init_irq, |
| .init_machine = omap_h4_init, |
| .timer = &omap2_timer, |
| MACHINE_END |