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71b149b3f7
There is no need to pinmux the UART so early in the kernel. Move it to the board init. This will also allow to finally move the gpio driver to platform device/driver. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
184 lines
4.6 KiB
C
184 lines
4.6 KiB
C
/*
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* linux/arch/arm/mach-at91/board-cpuat91.c
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*
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* Copyright (C) 2009 Eric Benard - eric@eukrea.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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mtd/plat-ram.h>
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#include <mach/hardware.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/board.h>
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#include <mach/at91rm9200_mc.h>
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#include <mach/at91_ramc.h>
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#include <mach/cpu.h>
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#include "generic.h"
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static struct gpio_led cpuat91_leds[] = {
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{
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.name = "led1",
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.default_trigger = "heartbeat",
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.active_low = 1,
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.gpio = AT91_PIN_PC0,
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},
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};
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static void __init cpuat91_init_early(void)
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{
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/* Set cpu type: PQFP */
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at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
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/* Initialize processor: 18.432 MHz crystal */
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at91_initialize(18432000);
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}
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static struct macb_platform_data __initdata cpuat91_eth_data = {
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.phy_irq_pin = -EINVAL,
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.is_rmii = 1,
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};
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static struct at91_usbh_data __initdata cpuat91_usbh_data = {
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.ports = 1,
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.vbus_pin = {-EINVAL, -EINVAL},
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.overcurrent_pin= {-EINVAL, -EINVAL},
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};
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static struct at91_udc_data __initdata cpuat91_udc_data = {
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.vbus_pin = AT91_PIN_PC15,
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.pullup_pin = AT91_PIN_PC14,
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};
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static struct at91_mmc_data __initdata cpuat91_mmc_data = {
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.det_pin = AT91_PIN_PC2,
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.wire4 = 1,
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.wp_pin = -EINVAL,
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.vcc_pin = -EINVAL,
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};
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static struct physmap_flash_data cpuat91_flash_data = {
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.width = 2,
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};
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static struct resource cpuat91_flash_resource = {
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.start = AT91_CHIPSELECT_0,
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.end = AT91_CHIPSELECT_0 + SZ_16M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device cpuat91_norflash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &cpuat91_flash_data,
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},
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.resource = &cpuat91_flash_resource,
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.num_resources = 1,
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};
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#ifdef CONFIG_MTD_PLATRAM
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struct platdata_mtd_ram at91_sram_pdata = {
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.mapname = "SRAM",
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.bankwidth = 2,
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};
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static struct resource at91_sram_resource[] = {
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[0] = {
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.start = AT91RM9200_SRAM_BASE,
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.end = AT91RM9200_SRAM_BASE + AT91RM9200_SRAM_SIZE - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device at91_sram = {
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.name = "mtd-ram",
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.id = 0,
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.resource = at91_sram_resource,
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.num_resources = ARRAY_SIZE(at91_sram_resource),
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.dev = {
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.platform_data = &at91_sram_pdata,
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},
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};
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#endif /* MTD_PLATRAM */
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static struct platform_device *platform_devices[] __initdata = {
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&cpuat91_norflash,
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#ifdef CONFIG_MTD_PLATRAM
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&at91_sram,
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#endif /* CONFIG_MTD_PLATRAM */
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};
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static void __init cpuat91_board_init(void)
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{
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/* Serial */
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/* DBGU on ttyS0. (Rx & Tx only) */
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at91_register_uart(0, 0, 0);
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/* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
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at91_register_uart(AT91RM9200_ID_US0, 1, ATMEL_UART_CTS |
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ATMEL_UART_RTS);
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/* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
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at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS |
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ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR |
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ATMEL_UART_DCD | ATMEL_UART_RI);
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/* USART2 on ttyS3 (Rx, Tx) */
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at91_register_uart(AT91RM9200_ID_US2, 3, 0);
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/* USART3 on ttyS4 (Rx, Tx, CTS, RTS) */
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at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_CTS |
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ATMEL_UART_RTS);
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at91_add_device_serial();
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/* LEDs. */
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at91_gpio_leds(cpuat91_leds, ARRAY_SIZE(cpuat91_leds));
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/* Ethernet */
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at91_add_device_eth(&cpuat91_eth_data);
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/* USB Host */
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at91_add_device_usbh(&cpuat91_usbh_data);
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/* USB Device */
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at91_add_device_udc(&cpuat91_udc_data);
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/* MMC */
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at91_add_device_mmc(0, &cpuat91_mmc_data);
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/* I2C */
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at91_add_device_i2c(NULL, 0);
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/* Platform devices */
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platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
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}
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MACHINE_START(CPUAT91, "Eukrea")
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/* Maintainer: Eric Benard - EUKREA Electromatique */
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.timer = &at91rm9200_timer,
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.map_io = at91_map_io,
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.init_early = cpuat91_init_early,
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.init_irq = at91_init_irq_default,
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.init_machine = cpuat91_board_init,
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MACHINE_END
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