diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-htcherald.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-htcherald.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c new file mode 100644 index 000000000000..5f28a5ceacac --- /dev/null +++ b/arch/arm/mach-omap1/board-htcherald.c @@ -0,0 +1,247 @@ +/* + * HTC Herald board configuration + * Copyright (C) 2009 Cory Maccarrone <darkstar6262@gmail.com> + * Copyright (C) 2009 Wing Linux + * + * Based on the board-htcwizard.c file from the linwizard project: + * Copyright (C) 2006 Unai Uribarri + * Copyright (C) 2008 linwizard.sourceforge.net + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/input.h> +#include <linux/bootmem.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include <plat/omap7xx.h> +#include <plat/common.h> +#include <plat/board.h> +#include <plat/keypad.h> + +#include <mach/irqs.h> + +#include <linux/delay.h> + +/* LCD register definition */ +#define OMAP_LCDC_CONTROL (0xfffec000 + 0x00) +#define OMAP_LCDC_STATUS (0xfffec000 + 0x10) +#define OMAP_DMA_LCD_CCR (0xfffee300 + 0xc2) +#define OMAP_DMA_LCD_CTRL (0xfffee300 + 0xc4) +#define OMAP_LCDC_CTRL_LCD_EN (1 << 0) +#define OMAP_LCDC_STAT_DONE (1 << 0) + +static struct omap_lcd_config htcherald_lcd_config __initdata = { + .ctrl_name = "internal", +}; + +static struct omap_board_config_kernel htcherald_config[] __initdata = { + { OMAP_TAG_LCD, &htcherald_lcd_config }, +}; + +/* Keyboard definition */ + +static int htc_herald_keymap[] = { + KEY(0, 0, KEY_RECORD), /* Mail button */ + KEY(0, 1, KEY_CAMERA), /* Camera */ + KEY(0, 2, KEY_PHONE), /* Send key */ + KEY(0, 3, KEY_VOLUMEUP), /* Volume up */ + KEY(0, 4, KEY_F2), /* Right bar (landscape) */ + KEY(0, 5, KEY_MAIL), /* Win key (portrait) */ + KEY(0, 6, KEY_DIRECTORY), /* Right bar (protrait) */ + KEY(1, 0, KEY_LEFTCTRL), /* Windows key */ + KEY(1, 1, KEY_COMMA), + KEY(1, 2, KEY_M), + KEY(1, 3, KEY_K), + KEY(1, 4, KEY_SLASH), /* OK key */ + KEY(1, 5, KEY_I), + KEY(1, 6, KEY_U), + KEY(2, 0, KEY_LEFTALT), + KEY(2, 1, KEY_TAB), + KEY(2, 2, KEY_N), + KEY(2, 3, KEY_J), + KEY(2, 4, KEY_ENTER), + KEY(2, 5, KEY_H), + KEY(2, 6, KEY_Y), + KEY(3, 0, KEY_SPACE), + KEY(3, 1, KEY_L), + KEY(3, 2, KEY_B), + KEY(3, 3, KEY_V), + KEY(3, 4, KEY_BACKSPACE), + KEY(3, 5, KEY_G), + KEY(3, 6, KEY_T), + KEY(4, 0, KEY_CAPSLOCK), /* Shift */ + KEY(4, 1, KEY_C), + KEY(4, 2, KEY_F), + KEY(4, 3, KEY_R), + KEY(4, 4, KEY_O), + KEY(4, 5, KEY_E), + KEY(4, 6, KEY_D), + KEY(5, 0, KEY_X), + KEY(5, 1, KEY_Z), + KEY(5, 2, KEY_S), + KEY(5, 3, KEY_W), + KEY(5, 4, KEY_P), + KEY(5, 5, KEY_Q), + KEY(5, 6, KEY_A), + KEY(6, 0, KEY_CONNECT), /* Voice button */ + KEY(6, 2, KEY_CANCEL), /* End key */ + KEY(6, 3, KEY_VOLUMEDOWN), /* Volume down */ + KEY(6, 4, KEY_F1), /* Left bar (landscape) */ + KEY(6, 5, KEY_WWW), /* OK button (portrait) */ + KEY(6, 6, KEY_CALENDAR), /* Left bar (portrait) */ + 0 +}; + +struct omap_kp_platform_data htcherald_kp_data = { + .rows = 7, + .cols = 7, + .delay = 20, + .rep = 1, + .keymap = htc_herald_keymap, +}; + +static struct resource kp_resources[] = { + [0] = { + .start = INT_7XX_MPUIO_KEYPAD, + .end = INT_7XX_MPUIO_KEYPAD, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device kp_device = { + .name = "omap-keypad", + .id = -1, + .dev = { + .platform_data = &htcherald_kp_data, + }, + .num_resources = ARRAY_SIZE(kp_resources), + .resource = kp_resources, +}; + +/* LCD Device resources */ +static struct platform_device lcd_device = { + .name = "lcd_htcherald", + .id = -1, +}; + +static struct platform_device *devices[] __initdata = { + &kp_device, + &lcd_device, +}; + +/* + * Init functions from here on + */ + +static void __init htcherald_lcd_init(void) +{ + u32 reg; + unsigned int tries = 200; + + /* disable controller if active */ + reg = omap_readl(OMAP_LCDC_CONTROL); + if (reg & OMAP_LCDC_CTRL_LCD_EN) { + reg &= ~OMAP_LCDC_CTRL_LCD_EN; + omap_writel(reg, OMAP_LCDC_CONTROL); + + /* wait for end of frame */ + while (!(omap_readl(OMAP_LCDC_STATUS) & OMAP_LCDC_STAT_DONE)) { + tries--; + if (!tries) + break; + } + if (!tries) + printk(KERN_WARNING "Timeout waiting for end of frame " + "-- LCD may not be available\n"); + + /* turn off DMA */ + reg = omap_readw(OMAP_DMA_LCD_CCR); + reg &= ~(1 << 7); + omap_writew(reg, OMAP_DMA_LCD_CCR); + + reg = omap_readw(OMAP_DMA_LCD_CTRL); + reg &= ~(1 << 8); + omap_writew(reg, OMAP_DMA_LCD_CTRL); + } +} + +static void __init htcherald_map_io(void) +{ + omap1_map_common_io(); + + /* + * The LCD panel must be disabled and DMA turned off here, as doing + * it later causes the LCD never to reinitialize. + */ + htcherald_lcd_init(); + + printk(KERN_INFO "htcherald_map_io done.\n"); +} + +static void __init htcherald_disable_watchdog(void) +{ + /* Disable watchdog if running */ + if (omap_readl(OMAP_WDT_TIMER_MODE) & 0x8000) { + /* + * disable a potentially running watchdog timer before + * it kills us. + */ + printk(KERN_WARNING "OMAP850 Watchdog seems to be activated, disabling it for now.\n"); + omap_writel(0xF5, OMAP_WDT_TIMER_MODE); + omap_writel(0xA0, OMAP_WDT_TIMER_MODE); + } +} + +static void __init htcherald_init(void) +{ + printk(KERN_INFO "HTC Herald init.\n"); + + omap_gpio_init(); + + omap_board_config = htcherald_config; + omap_board_config_size = ARRAY_SIZE(htcherald_config); + platform_add_devices(devices, ARRAY_SIZE(devices)); + + htcherald_disable_watchdog(); +} + +static void __init htcherald_init_irq(void) +{ + printk(KERN_INFO "htcherald_init_irq.\n"); + omap1_init_common_hw(); + omap_init_irq(); +} + +MACHINE_START(HERALD, "HTC Herald") + /* Maintainer: Cory Maccarrone <darkstar6262@gmail.com> */ + /* Maintainer: wing-linux.sourceforge.net */ + .phys_io = 0xfff00000, + .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, + .boot_params = 0x10000100, + .map_io = htcherald_map_io, + .init_irq = htcherald_init_irq, + .init_machine = htcherald_init, + .timer = &omap_timer, +MACHINE_END |