1/*
  2 * linux/arch/arm/mach-at91/board-cpuat91.c
  3 *
  4 *  Copyright (C) 2009 Eric Benard - eric@eukrea.com
  5 *
  6 * This program is free software; you can redistribute it and/or modify
  7 * it under the terms of the GNU General Public License as published by
  8 * the Free Software Foundation; either version 2 of the License, or
  9 * (at your option) any later version.
 10 *
 11 * This program is distributed in the hope that it will be useful,
 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14 * GNU General Public License for more details.
 15 *
 16 * You should have received a copy of the GNU General Public License
 17 * along with this program; if not, write to the Free Software
 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 19 */
 20
 21#include <linux/types.h>
 22#include <linux/gpio.h>
 23#include <linux/init.h>
 24#include <linux/mm.h>
 25#include <linux/module.h>
 26#include <linux/platform_device.h>
 27#include <linux/mtd/physmap.h>
 28#include <linux/mtd/plat-ram.h>
 29
 30#include <mach/hardware.h>
 31#include <asm/setup.h>
 32#include <asm/mach-types.h>
 33#include <asm/irq.h>
 34
 35#include <asm/mach/arch.h>
 36#include <asm/mach/map.h>
 37#include <asm/mach/irq.h>
 38
 39#include <mach/board.h>
 40#include <mach/at91rm9200_mc.h>
 41#include <mach/at91_ramc.h>
 42#include <mach/cpu.h>
 43
 44#include "generic.h"
 45
 46static struct gpio_led cpuat91_leds[] = {
 47	{
 48		.name			= "led1",
 49		.default_trigger	= "heartbeat",
 50		.active_low		= 1,
 51		.gpio			= AT91_PIN_PC0,
 52	},
 53};
 54
 55static void __init cpuat91_init_early(void)
 56{
 57	/* Set cpu type: PQFP */
 58	at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
 59
 60	/* Initialize processor: 18.432 MHz crystal */
 61	at91_initialize(18432000);
 62}
 63
 64static struct macb_platform_data __initdata cpuat91_eth_data = {
 65	.phy_irq_pin	= -EINVAL,
 66	.is_rmii	= 1,
 67};
 68
 69static struct at91_usbh_data __initdata cpuat91_usbh_data = {
 70	.ports		= 1,
 71	.vbus_pin	= {-EINVAL, -EINVAL},
 72	.overcurrent_pin= {-EINVAL, -EINVAL},
 73};
 74
 75static struct at91_udc_data __initdata cpuat91_udc_data = {
 76	.vbus_pin	= AT91_PIN_PC15,
 77	.pullup_pin	= AT91_PIN_PC14,
 78};
 79
 80static struct at91_mmc_data __initdata cpuat91_mmc_data = {
 81	.det_pin	= AT91_PIN_PC2,
 82	.wire4		= 1,
 83	.wp_pin		= -EINVAL,
 84	.vcc_pin	= -EINVAL,
 85};
 86
 87static struct physmap_flash_data cpuat91_flash_data = {
 88	.width		= 2,
 89};
 90
 91static struct resource cpuat91_flash_resource = {
 92	.start		= AT91_CHIPSELECT_0,
 93	.end		= AT91_CHIPSELECT_0 + SZ_16M - 1,
 94	.flags		= IORESOURCE_MEM,
 95};
 96
 97static struct platform_device cpuat91_norflash = {
 98	.name		= "physmap-flash",
 99	.id		= 0,
100	.dev	= {
101		.platform_data	= &cpuat91_flash_data,
102	},
103	.resource	= &cpuat91_flash_resource,
104	.num_resources	= 1,
105};
106
107#ifdef CONFIG_MTD_PLATRAM
108struct platdata_mtd_ram at91_sram_pdata = {
109	.mapname	= "SRAM",
110	.bankwidth	= 2,
111};
112
113static struct resource at91_sram_resource[] = {
114	[0] = {
115		.start = AT91RM9200_SRAM_BASE,
116		.end   = AT91RM9200_SRAM_BASE + AT91RM9200_SRAM_SIZE - 1,
117		.flags = IORESOURCE_MEM,
118	},
119};
120
121static struct platform_device at91_sram = {
122	.name		= "mtd-ram",
123	.id		= 0,
124	.resource	= at91_sram_resource,
125	.num_resources	= ARRAY_SIZE(at91_sram_resource),
126	.dev	= {
127		.platform_data = &at91_sram_pdata,
128	},
129};
130#endif /* MTD_PLATRAM */
131
132static struct platform_device *platform_devices[] __initdata = {
133	&cpuat91_norflash,
134#ifdef CONFIG_MTD_PLATRAM
135	&at91_sram,
136#endif /* CONFIG_MTD_PLATRAM */
137};
138
139static void __init cpuat91_board_init(void)
140{
141	/* Serial */
142	/* DBGU on ttyS0. (Rx & Tx only) */
143	at91_register_uart(0, 0, 0);
144
145	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
146	at91_register_uart(AT91RM9200_ID_US0, 1, ATMEL_UART_CTS |
147		ATMEL_UART_RTS);
148
149	/* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
150	at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS |
151		ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR |
152		ATMEL_UART_DCD | ATMEL_UART_RI);
153
154	/* USART2 on ttyS3 (Rx, Tx) */
155	at91_register_uart(AT91RM9200_ID_US2, 3, 0);
156
157	/* USART3 on ttyS4 (Rx, Tx, CTS, RTS) */
158	at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_CTS |
159		ATMEL_UART_RTS);
160	at91_add_device_serial();
161	/* LEDs. */
162	at91_gpio_leds(cpuat91_leds, ARRAY_SIZE(cpuat91_leds));
163	/* Ethernet */
164	at91_add_device_eth(&cpuat91_eth_data);
165	/* USB Host */
166	at91_add_device_usbh(&cpuat91_usbh_data);
167	/* USB Device */
168	at91_add_device_udc(&cpuat91_udc_data);
169	/* MMC */
170	at91_add_device_mmc(0, &cpuat91_mmc_data);
171	/* I2C */
172	at91_add_device_i2c(NULL, 0);
173	/* Platform devices */
174	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
175}
176
177MACHINE_START(CPUAT91, "Eukrea")
178	/* Maintainer: Eric Benard - EUKREA Electromatique */
179	.timer		= &at91rm9200_timer,
180	.map_io		= at91_map_io,
181	.init_early	= cpuat91_init_early,
182	.init_irq	= at91_init_irq_default,
183	.init_machine	= cpuat91_board_init,
184MACHINE_END