| /* |
| * 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/delay.h> |
| #include <linux/workqueue.h> |
| #include <linux/input.h> |
| |
| #include <asm/hardware.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/flash.h> |
| |
| #include <asm/arch/gpio.h> |
| #include <asm/arch/gpioexpander.h> |
| #include <asm/arch/mux.h> |
| #include <asm/arch/usb.h> |
| #include <asm/arch/irda.h> |
| #include <asm/arch/board.h> |
| #include <asm/arch/common.h> |
| #include <asm/arch/keypad.h> |
| #include <asm/arch/menelaus.h> |
| #include <asm/arch/dma.h> |
| #include "prcm-regs.h" |
| |
| #include <asm/io.h> |
| |
| 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 int h4_keymap[] = { |
| KEY(0, 0, KEY_LEFT), |
| KEY(0, 1, KEY_RIGHT), |
| KEY(0, 2, KEY_A), |
| KEY(0, 3, KEY_B), |
| KEY(0, 4, KEY_C), |
| KEY(1, 0, KEY_DOWN), |
| KEY(1, 1, KEY_UP), |
| KEY(1, 2, KEY_E), |
| KEY(1, 3, KEY_F), |
| KEY(1, 4, KEY_G), |
| KEY(2, 0, KEY_ENTER), |
| KEY(2, 1, KEY_I), |
| KEY(2, 2, KEY_J), |
| KEY(2, 3, KEY_K), |
| KEY(2, 4, KEY_3), |
| KEY(3, 0, KEY_M), |
| KEY(3, 1, KEY_N), |
| KEY(3, 2, KEY_O), |
| KEY(3, 3, KEY_P), |
| KEY(3, 4, KEY_Q), |
| KEY(4, 0, KEY_R), |
| KEY(4, 1, KEY_4), |
| KEY(4, 2, KEY_T), |
| KEY(4, 3, KEY_U), |
| KEY(4, 4, KEY_ENTER), |
| KEY(5, 0, KEY_V), |
| KEY(5, 1, KEY_W), |
| KEY(5, 2, KEY_L), |
| KEY(5, 3, KEY_S), |
| KEY(5, 4, KEY_ENTER), |
| 0 |
| }; |
| |
| 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 flash_platform_data h4_flash_data = { |
| .map_name = "cfi_probe", |
| .width = 2, |
| .parts = h4_partitions, |
| .nr_parts = ARRAY_SIZE(h4_partitions), |
| }; |
| |
| static struct resource h4_flash_resource = { |
| .start = H4_CS0_BASE, |
| .end = H4_CS0_BASE + SZ_64M - 1, |
| .flags = IORESOURCE_MEM, |
| }; |
| |
| static struct platform_device h4_flash_device = { |
| .name = "omapflash", |
| .id = 0, |
| .dev = { |
| .platform_data = &h4_flash_data, |
| }, |
| .num_resources = 1, |
| .resource = &h4_flash_resource, |
| }; |
| |
| static struct resource h4_smc91x_resources[] = { |
| [0] = { |
| .start = OMAP24XX_ETHR_START, /* Physical */ |
| .end = OMAP24XX_ETHR_START + 0xf, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), |
| .end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device h4_smc91x_device = { |
| .name = "smc91x", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(h4_smc91x_resources), |
| .resource = h4_smc91x_resources, |
| }; |
| |
| /* Select between the IrDA and aGPS module |
| */ |
| static int h4_select_irda(struct device *dev, int state) |
| { |
| unsigned char expa; |
| int err = 0; |
| |
| if ((err = read_gpio_expa(&expa, 0x21))) { |
| printk(KERN_ERR "Error reading from I/O expander\n"); |
| return err; |
| } |
| |
| /* 'P6' enable/disable IRDA_TX and IRDA_RX */ |
| if (state & IR_SEL) { /* IrDa */ |
| if ((err = write_gpio_expa(expa | 0x01, 0x21))) { |
| printk(KERN_ERR "Error writing to I/O expander\n"); |
| return err; |
| } |
| } else { |
| if ((err = write_gpio_expa(expa & ~0x01, 0x21))) { |
| printk(KERN_ERR "Error writing to I/O expander\n"); |
| return err; |
| } |
| } |
| return err; |
| } |
| |
| static void set_trans_mode(struct work_struct *work) |
| { |
| struct omap_irda_config *irda_config = |
| container_of(work, struct omap_irda_config, gpio_expa.work); |
| int mode = irda_config->mode; |
| unsigned char expa; |
| int err = 0; |
| |
| if ((err = read_gpio_expa(&expa, 0x20)) != 0) { |
| printk(KERN_ERR "Error reading from I/O expander\n"); |
| } |
| |
| expa &= ~0x01; |
| |
| if (!(mode & IR_SIRMODE)) { /* MIR/FIR */ |
| expa |= 0x01; |
| } |
| |
| if ((err = write_gpio_expa(expa, 0x20)) != 0) { |
| printk(KERN_ERR "Error writing to I/O expander\n"); |
| } |
| } |
| |
| static int h4_transceiver_mode(struct device *dev, int mode) |
| { |
| struct omap_irda_config *irda_config = dev->platform_data; |
| |
| irda_config->mode = mode; |
| cancel_delayed_work(&irda_config->gpio_expa); |
| PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode); |
| schedule_delayed_work(&irda_config->gpio_expa, 0); |
| |
| return 0; |
| } |
| |
| static struct omap_irda_config h4_irda_data = { |
| .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE, |
| .transceiver_mode = h4_transceiver_mode, |
| .select_irda = h4_select_irda, |
| .rx_channel = OMAP24XX_DMA_UART3_RX, |
| .tx_channel = OMAP24XX_DMA_UART3_TX, |
| .dest_start = OMAP_UART3_BASE, |
| .src_start = OMAP_UART3_BASE, |
| .tx_trigger = OMAP24XX_DMA_UART3_TX, |
| .rx_trigger = OMAP24XX_DMA_UART3_RX, |
| }; |
| |
| static struct resource h4_irda_resources[] = { |
| [0] = { |
| .start = INT_24XX_UART3_IRQ, |
| .end = INT_24XX_UART3_IRQ, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device h4_irda_device = { |
| .name = "omapirda", |
| .id = -1, |
| .dev = { |
| .platform_data = &h4_irda_data, |
| }, |
| .num_resources = 1, |
| .resource = h4_irda_resources, |
| }; |
| |
| static struct omap_kp_platform_data h4_kp_data = { |
| .rows = 6, |
| .cols = 7, |
| .keymap = h4_keymap, |
| .keymapsize = ARRAY_SIZE(h4_keymap), |
| .rep = 1, |
| .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 resource h4_led_resources[] = { |
| [0] = { |
| .flags = IORESOURCE_MEM, |
| }, |
| }; |
| |
| static struct platform_device h4_led_device = { |
| .name = "omap_dbg_led", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(h4_led_resources), |
| .resource = h4_led_resources, |
| }; |
| |
| static struct platform_device *h4_devices[] __initdata = { |
| &h4_smc91x_device, |
| &h4_flash_device, |
| &h4_irda_device, |
| &h4_kp_device, |
| &h4_lcd_device, |
| &h4_led_device, |
| }; |
| |
| static inline void __init h4_init_smc91x(void) |
| { |
| /* Make sure CS1 timings are correct */ |
| GPMC_CONFIG1_1 = 0x00011200; |
| GPMC_CONFIG2_1 = 0x001f1f01; |
| GPMC_CONFIG3_1 = 0x00080803; |
| GPMC_CONFIG4_1 = 0x1c091c09; |
| GPMC_CONFIG5_1 = 0x041f1f1f; |
| GPMC_CONFIG6_1 = 0x000004c4; |
| GPMC_CONFIG7_1 = 0x00000f40 | (0x08000000 >> 24); |
| udelay(100); |
| |
| omap_cfg_reg(M15_24XX_GPIO92); |
| if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) { |
| printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", |
| OMAP24XX_ETHR_GPIO_IRQ); |
| return; |
| } |
| omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1); |
| } |
| |
| static void __init omap_h4_init_irq(void) |
| { |
| omap2_init_common_hw(); |
| omap_init_irq(); |
| omap_gpio_init(); |
| h4_init_smc91x(); |
| } |
| |
| static struct omap_uart_config h4_uart_config __initdata = { |
| .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), |
| }; |
| |
| static struct omap_mmc_config h4_mmc_config __initdata = { |
| .mmc [0] = { |
| .enabled = 1, |
| .wire4 = 1, |
| .wp_pin = -1, |
| .power_pin = -1, |
| .switch_pin = -1, |
| }, |
| }; |
| |
| static struct omap_lcd_config h4_lcd_config __initdata = { |
| .ctrl_name = "internal", |
| }; |
| |
| static struct omap_board_config_kernel h4_config[] = { |
| { OMAP_TAG_UART, &h4_uart_config }, |
| { OMAP_TAG_MMC, &h4_mmc_config }, |
| { OMAP_TAG_LCD, &h4_lcd_config }, |
| }; |
| |
| static void __init omap_h4_init(void) |
| { |
| /* |
| * 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_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE) |
| omap_cfg_reg(K15_24XX_UART3_TX); |
| omap_cfg_reg(K14_24XX_UART3_RX); |
| #endif |
| |
| #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) |
| if (omap_has_menelaus()) { |
| row_gpios[5] = 0; |
| col_gpios[2] = 15; |
| col_gpios[6] = 18; |
| } |
| #endif |
| |
| platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices)); |
| omap_board_config = h4_config; |
| omap_board_config_size = ARRAY_SIZE(h4_config); |
| omap_serial_init(); |
| } |
| |
| static void __init omap_h4_map_io(void) |
| { |
| omap2_map_common_io(); |
| } |
| |
| MACHINE_START(OMAP_H4, "OMAP2420 H4 board") |
| /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ |
| .phys_io = 0x48000000, |
| .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, |
| .boot_params = 0x80000100, |
| .map_io = omap_h4_map_io, |
| .init_irq = omap_h4_init_irq, |
| .init_machine = omap_h4_init, |
| .timer = &omap_timer, |
| MACHINE_END |