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460 lines
10 KiB
460 lines
10 KiB
/*
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* linux/arch/arm/mach-omap1/board-h3.c
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*
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* This file contains OMAP1710 H3 specific code.
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*
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* Copyright (C) 2004 Texas Instruments, Inc.
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* Copyright (C) 2002 MontaVista Software, Inc.
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* Copyright (C) 2001 RidgeRun, Inc.
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* Author: RidgeRun, Inc.
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* Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/major.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/errno.h>
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#include <linux/workqueue.h>
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#include <linux/i2c.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/rawnand.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/input.h>
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#include <linux/spi/spi.h>
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#include <linux/mfd/tps65010.h>
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#include <linux/smc91x.h>
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#include <linux/omapfb.h>
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#include <linux/platform_data/gpio-omap.h>
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#include <linux/leds.h>
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#include <asm/setup.h>
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#include <asm/page.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <mach/mux.h>
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#include <mach/tc.h>
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#include <linux/platform_data/keypad-omap.h>
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#include <linux/omap-dma.h>
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#include "flash.h"
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#include <mach/hardware.h>
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#include <mach/irqs.h>
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#include <mach/usb.h>
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#include "common.h"
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#include "board-h3.h"
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/* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
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#define OMAP1710_ETHR_START 0x04000300
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#define H3_TS_GPIO 48
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static const unsigned int h3_keymap[] = {
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KEY(0, 0, KEY_LEFT),
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KEY(1, 0, KEY_RIGHT),
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KEY(2, 0, KEY_3),
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KEY(3, 0, KEY_F10),
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KEY(4, 0, KEY_F5),
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KEY(5, 0, KEY_9),
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KEY(0, 1, KEY_DOWN),
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KEY(1, 1, KEY_UP),
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KEY(2, 1, KEY_2),
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KEY(3, 1, KEY_F9),
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KEY(4, 1, KEY_F7),
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KEY(5, 1, KEY_0),
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KEY(0, 2, KEY_ENTER),
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KEY(1, 2, KEY_6),
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KEY(2, 2, KEY_1),
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KEY(3, 2, KEY_F2),
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KEY(4, 2, KEY_F6),
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KEY(5, 2, KEY_HOME),
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KEY(0, 3, KEY_8),
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KEY(1, 3, KEY_5),
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KEY(2, 3, KEY_F12),
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KEY(3, 3, KEY_F3),
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KEY(4, 3, KEY_F8),
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KEY(5, 3, KEY_END),
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KEY(0, 4, KEY_7),
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KEY(1, 4, KEY_4),
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KEY(2, 4, KEY_F11),
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KEY(3, 4, KEY_F1),
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KEY(4, 4, KEY_F4),
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KEY(5, 4, KEY_ESC),
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KEY(0, 5, KEY_F13),
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KEY(1, 5, KEY_F14),
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KEY(2, 5, KEY_F15),
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KEY(3, 5, KEY_F16),
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KEY(4, 5, KEY_SLEEP),
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};
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static struct mtd_partition nor_partitions[] = {
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/* bootloader (U-Boot, etc) in first sector */
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{
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.name = "bootloader",
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.offset = 0,
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.size = SZ_128K,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* bootloader params in the next sector */
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{
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.name = "params",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_128K,
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.mask_flags = 0,
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},
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/* kernel */
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M,
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.mask_flags = 0
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},
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/* file system */
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{
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.name = "filesystem",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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}
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};
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static struct physmap_flash_data nor_data = {
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.width = 2,
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.set_vpp = omap1_set_vpp,
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.parts = nor_partitions,
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.nr_parts = ARRAY_SIZE(nor_partitions),
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};
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static struct resource nor_resource = {
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/* This is on CS3, wherever it's mapped */
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device nor_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &nor_data,
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},
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.num_resources = 1,
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.resource = &nor_resource,
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};
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static struct mtd_partition nand_partitions[] = {
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#if 0
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/* REVISIT: enable these partitions if you make NAND BOOT work */
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{
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.name = "xloader",
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.offset = 0,
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.size = 64 * 1024,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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{
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.name = "bootloader",
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.offset = MTDPART_OFS_APPEND,
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.size = 256 * 1024,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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{
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.name = "params",
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.offset = MTDPART_OFS_APPEND,
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.size = 192 * 1024,
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = 2 * SZ_1M,
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},
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#endif
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{
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.name = "filesystem",
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_APPEND,
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},
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};
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#define H3_NAND_RB_GPIO_PIN 10
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static int nand_dev_ready(struct mtd_info *mtd)
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{
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return gpio_get_value(H3_NAND_RB_GPIO_PIN);
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}
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static struct platform_nand_data nand_platdata = {
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.chip = {
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.nr_chips = 1,
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.chip_offset = 0,
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.nr_partitions = ARRAY_SIZE(nand_partitions),
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.partitions = nand_partitions,
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.options = NAND_SAMSUNG_LP_OPTIONS,
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},
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.ctrl = {
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.cmd_ctrl = omap1_nand_cmd_ctl,
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.dev_ready = nand_dev_ready,
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},
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};
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static struct resource nand_resource = {
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device nand_device = {
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.name = "gen_nand",
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.id = 0,
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.dev = {
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.platform_data = &nand_platdata,
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},
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.num_resources = 1,
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.resource = &nand_resource,
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};
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static struct smc91x_platdata smc91x_info = {
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.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
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.leda = RPC_LED_100_10,
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.ledb = RPC_LED_TX_RX,
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};
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static struct resource smc91x_resources[] = {
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[0] = {
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.start = OMAP1710_ETHR_START, /* Physical */
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.end = OMAP1710_ETHR_START + 0xf,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
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},
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};
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static struct platform_device smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.dev = {
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.platform_data = &smc91x_info,
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},
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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};
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static void __init h3_init_smc91x(void)
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{
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omap_cfg_reg(W15_1710_GPIO40);
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if (gpio_request(40, "SMC91x irq") < 0) {
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printk("Error requesting gpio 40 for smc91x irq\n");
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return;
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}
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}
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#define GPTIMER_BASE 0xFFFB1400
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#define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
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#define GPTIMER_REGS_SIZE 0x46
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static struct resource intlat_resources[] = {
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[0] = {
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.start = GPTIMER_REGS(0), /* Physical */
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.end = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = INT_1610_GPTIMER1,
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.end = INT_1610_GPTIMER1,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device intlat_device = {
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.name = "omap_intlat",
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.id = 0,
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.num_resources = ARRAY_SIZE(intlat_resources),
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.resource = intlat_resources,
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};
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static struct resource h3_kp_resources[] = {
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[0] = {
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.start = INT_KEYBOARD,
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.end = INT_KEYBOARD,
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.flags = IORESOURCE_IRQ,
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},
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};
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static const struct matrix_keymap_data h3_keymap_data = {
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.keymap = h3_keymap,
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.keymap_size = ARRAY_SIZE(h3_keymap),
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};
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static struct omap_kp_platform_data h3_kp_data = {
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.rows = 8,
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.cols = 8,
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.keymap_data = &h3_keymap_data,
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.rep = true,
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.delay = 9,
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.dbounce = true,
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};
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static struct platform_device h3_kp_device = {
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.name = "omap-keypad",
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.id = -1,
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.dev = {
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.platform_data = &h3_kp_data,
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},
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.num_resources = ARRAY_SIZE(h3_kp_resources),
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.resource = h3_kp_resources,
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};
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static struct platform_device h3_lcd_device = {
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.name = "lcd_h3",
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.id = -1,
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};
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static struct spi_board_info h3_spi_board_info[] __initdata = {
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[0] = {
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.modalias = "tsc2101",
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.bus_num = 2,
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.chip_select = 0,
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.max_speed_hz = 16000000,
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/* .platform_data = &tsc_platform_data, */
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},
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};
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static struct gpio_led h3_gpio_led_pins[] = {
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{
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.name = "h3:red",
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.default_trigger = "heartbeat",
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.gpio = 3,
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},
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{
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.name = "h3:green",
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.default_trigger = "cpu0",
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.gpio = OMAP_MPUIO(4),
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},
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};
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static struct gpio_led_platform_data h3_gpio_led_data = {
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.leds = h3_gpio_led_pins,
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.num_leds = ARRAY_SIZE(h3_gpio_led_pins),
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};
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static struct platform_device h3_gpio_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &h3_gpio_led_data,
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},
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};
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static struct platform_device *devices[] __initdata = {
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&nor_device,
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&nand_device,
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&smc91x_device,
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&intlat_device,
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&h3_kp_device,
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&h3_lcd_device,
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&h3_gpio_leds,
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};
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static struct omap_usb_config h3_usb_config __initdata = {
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/* usb1 has a Mini-AB port and external isp1301 transceiver */
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.otg = 2,
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#if IS_ENABLED(CONFIG_USB_OMAP)
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.hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
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#elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
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/* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
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.hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
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#endif
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.pins[1] = 3,
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};
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static struct omap_lcd_config h3_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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static struct i2c_board_info __initdata h3_i2c_board_info[] = {
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{
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I2C_BOARD_INFO("tps65013", 0x48),
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},
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{
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I2C_BOARD_INFO("isp1301_omap", 0x2d),
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},
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};
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static void __init h3_init(void)
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{
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h3_init_smc91x();
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/* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
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* to address 0 by a dip switch), NAND on CS2B. The NAND driver will
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* notice whether a NAND chip is enabled at probe time.
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*
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* H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
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* (which on H2 may be 16bit) on CS3. Try detecting that in code here,
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* to avoid probing every possible flash configuration...
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*/
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nor_resource.end = nor_resource.start = omap_cs3_phys();
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nor_resource.end += SZ_32M - 1;
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nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
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nand_resource.end += SZ_4K - 1;
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BUG_ON(gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0);
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gpio_direction_input(H3_NAND_RB_GPIO_PIN);
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/* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
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/* GPIO10 pullup/down register, Enable pullup on GPIO10 */
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omap_cfg_reg(V2_1710_GPIO10);
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/* Mux pins for keypad */
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omap_cfg_reg(F18_1610_KBC0);
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omap_cfg_reg(D20_1610_KBC1);
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omap_cfg_reg(D19_1610_KBC2);
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omap_cfg_reg(E18_1610_KBC3);
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omap_cfg_reg(C21_1610_KBC4);
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omap_cfg_reg(G18_1610_KBR0);
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omap_cfg_reg(F19_1610_KBR1);
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omap_cfg_reg(H14_1610_KBR2);
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omap_cfg_reg(E20_1610_KBR3);
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omap_cfg_reg(E19_1610_KBR4);
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omap_cfg_reg(N19_1610_KBR5);
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/* GPIO based LEDs */
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omap_cfg_reg(P18_1610_GPIO3);
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omap_cfg_reg(MPUIO4);
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smc91x_resources[1].start = gpio_to_irq(40);
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smc91x_resources[1].end = gpio_to_irq(40);
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platform_add_devices(devices, ARRAY_SIZE(devices));
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h3_spi_board_info[0].irq = gpio_to_irq(H3_TS_GPIO);
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spi_register_board_info(h3_spi_board_info,
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ARRAY_SIZE(h3_spi_board_info));
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omap_serial_init();
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h3_i2c_board_info[1].irq = gpio_to_irq(14);
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omap_register_i2c_bus(1, 100, h3_i2c_board_info,
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ARRAY_SIZE(h3_i2c_board_info));
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omap1_usb_init(&h3_usb_config);
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h3_mmc_init();
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omapfb_set_lcd_config(&h3_lcd_config);
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}
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MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
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/* Maintainer: Texas Instruments, Inc. */
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.atag_offset = 0x100,
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.map_io = omap16xx_map_io,
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.init_early = omap1_init_early,
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.init_irq = omap1_init_irq,
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.handle_irq = omap1_handle_irq,
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.init_machine = h3_init,
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.init_late = omap1_init_late,
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.init_time = omap1_timer_init,
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.restart = omap1_restart,
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MACHINE_END
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