diff options
Diffstat (limited to 'kernel/arch/arm/mach-omap1/board-h2.c')
| -rw-r--r-- | kernel/arch/arm/mach-omap1/board-h2.c | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap1/board-h2.c b/kernel/arch/arm/mach-omap1/board-h2.c new file mode 100644 index 000000000..5b45d266d --- /dev/null +++ b/kernel/arch/arm/mach-omap1/board-h2.c @@ -0,0 +1,433 @@ +/* + * linux/arch/arm/mach-omap1/board-h2.c + * + * Board specific inits for OMAP-1610 H2 + * + * Copyright (C) 2001 RidgeRun, Inc. + * Author: Greg Lonnon <glonnon@ridgerun.com> + * + * Copyright (C) 2002 MontaVista Software, Inc. + * + * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6 + * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com> + * + * H2 specific changes and cleanup + * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com> + * + * 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/gpio.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/input.h> +#include <linux/i2c/tps65010.h> +#include <linux/smc91x.h> +#include <linux/omapfb.h> +#include <linux/platform_data/gpio-omap.h> +#include <linux/leds.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/mux.h> +#include <linux/omap-dma.h> +#include <mach/tc.h> +#include <linux/platform_data/keypad-omap.h> +#include <mach/flash.h> + +#include <mach/hardware.h> +#include <mach/usb.h> + +#include "common.h" +#include "board-h2.h" + +/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */ +#define OMAP1610_ETHR_START 0x04000300 + +static const unsigned int h2_keymap[] = { + KEY(0, 0, KEY_LEFT), + KEY(1, 0, KEY_RIGHT), + KEY(2, 0, KEY_3), + KEY(3, 0, KEY_F10), + KEY(4, 0, KEY_F5), + KEY(5, 0, KEY_9), + KEY(0, 1, KEY_DOWN), + KEY(1, 1, KEY_UP), + KEY(2, 1, KEY_2), + KEY(3, 1, KEY_F9), + KEY(4, 1, KEY_F7), + KEY(5, 1, KEY_0), + KEY(0, 2, KEY_ENTER), + KEY(1, 2, KEY_6), + KEY(2, 2, KEY_1), + KEY(3, 2, KEY_F2), + KEY(4, 2, KEY_F6), + KEY(5, 2, KEY_HOME), + KEY(0, 3, KEY_8), + KEY(1, 3, KEY_5), + KEY(2, 3, KEY_F12), + KEY(3, 3, KEY_F3), + KEY(4, 3, KEY_F8), + KEY(5, 3, KEY_END), + KEY(0, 4, KEY_7), + KEY(1, 4, KEY_4), + KEY(2, 4, KEY_F11), + KEY(3, 4, KEY_F1), + KEY(4, 4, KEY_F4), + KEY(5, 4, KEY_ESC), + KEY(0, 5, KEY_F13), + KEY(1, 5, KEY_F14), + KEY(2, 5, KEY_F15), + KEY(3, 5, KEY_F16), + KEY(4, 5, KEY_SLEEP), +}; + +static struct mtd_partition h2_nor_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 h2_nor_data = { + .width = 2, + .set_vpp = omap1_set_vpp, + .parts = h2_nor_partitions, + .nr_parts = ARRAY_SIZE(h2_nor_partitions), +}; + +static struct resource h2_nor_resource = { + /* This is on CS3, wherever it's mapped */ + .flags = IORESOURCE_MEM, +}; + +static struct platform_device h2_nor_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &h2_nor_data, + }, + .num_resources = 1, + .resource = &h2_nor_resource, +}; + +static struct mtd_partition h2_nand_partitions[] = { +#if 0 + /* REVISIT: enable these partitions if you make NAND BOOT + * work on your H2 (rev C or newer); published versions of + * x-load only support P2 and H3. + */ + { + .name = "xloader", + .offset = 0, + .size = 64 * 1024, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + { + .name = "bootloader", + .offset = MTDPART_OFS_APPEND, + .size = 256 * 1024, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + { + .name = "params", + .offset = MTDPART_OFS_APPEND, + .size = 192 * 1024, + }, + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = 2 * SZ_1M, + }, +#endif + { + .name = "filesystem", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + }, +}; + +#define H2_NAND_RB_GPIO_PIN 62 + +static int h2_nand_dev_ready(struct mtd_info *mtd) +{ + return gpio_get_value(H2_NAND_RB_GPIO_PIN); +} + +static struct platform_nand_data h2_nand_platdata = { + .chip = { + .nr_chips = 1, + .chip_offset = 0, + .nr_partitions = ARRAY_SIZE(h2_nand_partitions), + .partitions = h2_nand_partitions, + .options = NAND_SAMSUNG_LP_OPTIONS, + }, + .ctrl = { + .cmd_ctrl = omap1_nand_cmd_ctl, + .dev_ready = h2_nand_dev_ready, + }, +}; + +static struct resource h2_nand_resource = { + .flags = IORESOURCE_MEM, +}; + +static struct platform_device h2_nand_device = { + .name = "gen_nand", + .id = 0, + .dev = { + .platform_data = &h2_nand_platdata, + }, + .num_resources = 1, + .resource = &h2_nand_resource, +}; + +static struct smc91x_platdata h2_smc91x_info = { + .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, + .leda = RPC_LED_100_10, + .ledb = RPC_LED_TX_RX, +}; + +static struct resource h2_smc91x_resources[] = { + [0] = { + .start = OMAP1610_ETHR_START, /* Physical */ + .end = OMAP1610_ETHR_START + 0xf, + .flags = IORESOURCE_MEM, + }, + [1] = { + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, + }, +}; + +static struct platform_device h2_smc91x_device = { + .name = "smc91x", + .id = 0, + .dev = { + .platform_data = &h2_smc91x_info, + }, + .num_resources = ARRAY_SIZE(h2_smc91x_resources), + .resource = h2_smc91x_resources, +}; + +static struct resource h2_kp_resources[] = { + [0] = { + .start = INT_KEYBOARD, + .end = INT_KEYBOARD, + .flags = IORESOURCE_IRQ, + }, +}; + +static const struct matrix_keymap_data h2_keymap_data = { + .keymap = h2_keymap, + .keymap_size = ARRAY_SIZE(h2_keymap), +}; + +static struct omap_kp_platform_data h2_kp_data = { + .rows = 8, + .cols = 8, + .keymap_data = &h2_keymap_data, + .rep = true, + .delay = 9, + .dbounce = true, +}; + +static struct platform_device h2_kp_device = { + .name = "omap-keypad", + .id = -1, + .dev = { + .platform_data = &h2_kp_data, + }, + .num_resources = ARRAY_SIZE(h2_kp_resources), + .resource = h2_kp_resources, +}; + +static struct gpio_led h2_gpio_led_pins[] = { + { + .name = "h2:red", + .default_trigger = "heartbeat", + .gpio = 3, + }, + { + .name = "h2:green", + .default_trigger = "cpu0", + .gpio = OMAP_MPUIO(4), + }, +}; + +static struct gpio_led_platform_data h2_gpio_led_data = { + .leds = h2_gpio_led_pins, + .num_leds = ARRAY_SIZE(h2_gpio_led_pins), +}; + +static struct platform_device h2_gpio_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &h2_gpio_led_data, + }, +}; + +static struct platform_device *h2_devices[] __initdata = { + &h2_nor_device, + &h2_nand_device, + &h2_smc91x_device, + &h2_kp_device, + &h2_gpio_leds, +}; + +static void __init h2_init_smc91x(void) +{ + if (gpio_request(0, "SMC91x irq") < 0) { + printk("Error requesting gpio 0 for smc91x irq\n"); + return; + } +} + +static int tps_setup(struct i2c_client *client, void *context) +{ + if (!IS_BUILTIN(CONFIG_TPS65010)) + return -ENOSYS; + + tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V | + TPS_LDO1_ENABLE | TPS_VLDO1_3_0V); + + return 0; +} + +static struct tps65010_board tps_board = { + .base = H2_TPS_GPIO_BASE, + .outmask = 0x0f, + .setup = tps_setup, +}; + +static struct i2c_board_info __initdata h2_i2c_board_info[] = { + { + I2C_BOARD_INFO("tps65010", 0x48), + .platform_data = &tps_board, + }, { + I2C_BOARD_INFO("isp1301_omap", 0x2d), + }, +}; + +static struct omap_usb_config h2_usb_config __initdata = { + /* usb1 has a Mini-AB port and external isp1301 transceiver */ + .otg = 2, + +#if IS_ENABLED(CONFIG_USB_OMAP) + .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */ + /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */ +#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) + /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */ + .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */ +#endif + + .pins[1] = 3, +}; + +static struct omap_lcd_config h2_lcd_config __initdata = { + .ctrl_name = "internal", +}; + +static void __init h2_init(void) +{ + h2_init_smc91x(); + + /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped + * to address 0 by a dip switch), NAND on CS2B. The NAND driver will + * notice whether a NAND chip is enabled at probe time. + * + * FIXME revC boards (and H3) support NAND-boot, with a dip switch to + * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try + * detecting that in code here, to avoid probing every possible flash + * configuration... + */ + h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys(); + h2_nor_resource.end += SZ_32M - 1; + + h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS; + h2_nand_resource.end += SZ_4K - 1; + BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0); + gpio_direction_input(H2_NAND_RB_GPIO_PIN); + + omap_cfg_reg(L3_1610_FLASH_CS2B_OE); + omap_cfg_reg(M8_1610_FLASH_CS2B_WE); + + /* MMC: card detect and WP */ + /* omap_cfg_reg(U19_ARMIO1); */ /* CD */ + omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */ + + /* Mux pins for keypad */ + omap_cfg_reg(F18_1610_KBC0); + omap_cfg_reg(D20_1610_KBC1); + omap_cfg_reg(D19_1610_KBC2); + omap_cfg_reg(E18_1610_KBC3); + omap_cfg_reg(C21_1610_KBC4); + omap_cfg_reg(G18_1610_KBR0); + omap_cfg_reg(F19_1610_KBR1); + omap_cfg_reg(H14_1610_KBR2); + omap_cfg_reg(E20_1610_KBR3); + omap_cfg_reg(E19_1610_KBR4); + omap_cfg_reg(N19_1610_KBR5); + + /* GPIO based LEDs */ + omap_cfg_reg(P18_1610_GPIO3); + omap_cfg_reg(MPUIO4); + + h2_smc91x_resources[1].start = gpio_to_irq(0); + h2_smc91x_resources[1].end = gpio_to_irq(0); + platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices)); + omap_serial_init(); + h2_i2c_board_info[0].irq = gpio_to_irq(58); + h2_i2c_board_info[1].irq = gpio_to_irq(2); + omap_register_i2c_bus(1, 100, h2_i2c_board_info, + ARRAY_SIZE(h2_i2c_board_info)); + omap1_usb_init(&h2_usb_config); + h2_mmc_init(); + + omapfb_set_lcd_config(&h2_lcd_config); +} + +MACHINE_START(OMAP_H2, "TI-H2") + /* Maintainer: Imre Deak <imre.deak@nokia.com> */ + .atag_offset = 0x100, + .map_io = omap16xx_map_io, + .init_early = omap1_init_early, + .init_irq = omap1_init_irq, + .init_machine = h2_init, + .init_late = omap1_init_late, + .init_time = omap1_timer_init, + .restart = omap1_restart, +MACHINE_END |