mirror of https://gitee.com/openkylin/linux.git
227 lines
5.3 KiB
C
227 lines
5.3 KiB
C
/*
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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/config.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/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <asm/setup.h>
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#include <asm/page.h>
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#include <asm/hardware.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/flash.h>
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#include <asm/mach/map.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/irqs.h>
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#include <asm/arch/mux.h>
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#include <asm/arch/tc.h>
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#include <asm/arch/usb.h>
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#include <asm/arch/common.h>
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extern int omap_gpio_init(void);
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static struct mtd_partition h3_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 flash_platform_data h3_flash_data = {
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.map_name = "cfi_probe",
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.width = 2,
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.parts = h3_partitions,
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.nr_parts = ARRAY_SIZE(h3_partitions),
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};
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static struct resource h3_flash_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 flash_device = {
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.name = "omapflash",
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.id = 0,
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.dev = {
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.platform_data = &h3_flash_data,
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},
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.num_resources = 1,
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.resource = &h3_flash_resource,
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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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.start = OMAP_GPIO_IRQ(40),
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.end = OMAP_GPIO_IRQ(40),
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.flags = IORESOURCE_IRQ,
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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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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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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 platform_device *devices[] __initdata = {
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&flash_device,
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&smc91x_device,
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&intlat_device,
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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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#ifdef CONFIG_USB_GADGET_OMAP
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.hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
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#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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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_mmc_config h3_mmc_config __initdata = {
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.mmc[0] = {
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.enabled = 1,
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.power_pin = -1, /* tps65010 GPIO4 */
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.switch_pin = OMAP_MPUIO(1),
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},
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};
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static struct omap_uart_config h3_uart_config __initdata = {
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.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
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};
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static struct omap_lcd_config h3_lcd_config __initdata = {
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.panel_name = "h3",
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.ctrl_name = "internal",
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};
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static struct omap_board_config_kernel h3_config[] = {
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{ OMAP_TAG_USB, &h3_usb_config },
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{ OMAP_TAG_MMC, &h3_mmc_config },
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{ OMAP_TAG_UART, &h3_uart_config },
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{ OMAP_TAG_LCD, &h3_lcd_config },
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};
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static void __init h3_init(void)
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{
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h3_flash_resource.end = h3_flash_resource.start = omap_cs3_phys();
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h3_flash_resource.end += OMAP_CS3_SIZE - 1;
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(void) platform_add_devices(devices, ARRAY_SIZE(devices));
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omap_board_config = h3_config;
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omap_board_config_size = ARRAY_SIZE(h3_config);
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omap_serial_init();
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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 (omap_request_gpio(40) < 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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void h3_init_irq(void)
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{
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omap_init_irq();
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omap_gpio_init();
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h3_init_smc91x();
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}
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static void __init h3_map_io(void)
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{
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omap_map_common_io();
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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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.phys_ram = 0x10000000,
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.phys_io = 0xfff00000,
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.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
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.boot_params = 0x10000100,
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.map_io = h3_map_io,
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.init_irq = h3_init_irq,
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.init_machine = h3_init,
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.timer = &omap_timer,
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MACHINE_END
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