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Andrew Victorf0a13852006-01-10 16:59:28 +00001/*
Jean-Christophe PLAGNIOL-VILLARD985f5542010-11-19 22:34:38 +08002 * linux/arch/arm/mach-at91/board-rm9200ek.c
Andrew Victorf0a13852006-01-10 16:59:28 +00003 *
4 * Copyright (C) 2005 SAN People
5 *
6 * Epson S1D framebuffer glue code is:
7 * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23
Andrew Victorf0a13852006-01-10 16:59:28 +000024#include <linux/types.h>
Russell King2f8163b2011-07-26 10:53:52 +010025#include <linux/gpio.h>
Andrew Victorf0a13852006-01-10 16:59:28 +000026#include <linux/init.h>
27#include <linux/mm.h>
28#include <linux/module.h>
29#include <linux/platform_device.h>
Andrew Victor067bbad2006-06-19 18:16:45 +010030#include <linux/spi/spi.h>
Andrew Victorfcc63712006-12-01 10:55:15 +010031#include <linux/mtd/physmap.h>
Andrew Victorf0a13852006-01-10 16:59:28 +000032
Andrew Victorf0a13852006-01-10 16:59:28 +000033#include <asm/setup.h>
34#include <asm/mach-types.h>
35#include <asm/irq.h>
36
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39#include <asm/mach/irq.h>
40
Andrew Victore5052402008-09-21 21:30:02 +010041#include <mach/hardware.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010042#include <mach/at91rm9200_mc.h>
Jean-Christophe PLAGNIOL-VILLARDf363c402012-02-13 12:58:53 +080043#include <mach/at91_ramc.h>
Andrew Victorf0a13852006-01-10 16:59:28 +000044
Jean-Christophe PLAGNIOL-VILLARDa510b9b2012-10-30 06:41:28 +080045#include "at91_aic.h"
Jean-Christophe PLAGNIOL-VILLARD43d2f532012-10-30 05:14:17 +080046#include "board.h"
Andrew Victorf0a13852006-01-10 16:59:28 +000047#include "generic.h"
48
Andrew Victorf0a13852006-01-10 16:59:28 +000049
Jean-Christophe PLAGNIOL-VILLARD1b021a32011-04-28 20:19:32 +080050static void __init ek_init_early(void)
Andrew Victorf0a13852006-01-10 16:59:28 +000051{
Andrew Victor2eeaaa22006-09-27 10:50:59 +010052 /* Initialize processor: 18.432 MHz crystal */
Jean-Christophe PLAGNIOL-VILLARD21d08b92011-04-23 15:28:34 +080053 at91_initialize(18432000);
Andrew Victorf0a13852006-01-10 16:59:28 +000054}
55
Jamie Iles84e0cdb2011-03-08 20:17:06 +000056static struct macb_platform_data __initdata ek_eth_data = {
Andrew Victorf0a13852006-01-10 16:59:28 +000057 .phy_irq_pin = AT91_PIN_PC4,
58 .is_rmii = 1,
59};
60
61static struct at91_usbh_data __initdata ek_usbh_data = {
62 .ports = 2,
Jean-Christophe PLAGNIOL-VILLARD63b4c292011-11-25 01:51:06 +080063 .vbus_pin = {-EINVAL, -EINVAL},
64 .overcurrent_pin= {-EINVAL, -EINVAL},
Andrew Victorf0a13852006-01-10 16:59:28 +000065};
66
67static struct at91_udc_data __initdata ek_udc_data = {
68 .vbus_pin = AT91_PIN_PD4,
69 .pullup_pin = AT91_PIN_PD5,
70};
71
Jean-Christophe PLAGNIOL-VILLARD55d83b02010-11-19 22:31:35 +080072#ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
Ludovic Desroches4cf33262012-05-21 12:23:27 +020073static struct mci_platform_data __initdata ek_mci0_data = {
74 .slot[0] = {
75 .bus_width = 4,
76 .detect_pin = AT91_PIN_PB27,
77 .wp_pin = AT91_PIN_PA17,
78 }
Andrew Victorf0a13852006-01-10 16:59:28 +000079};
Jean-Christophe PLAGNIOL-VILLARD55d83b02010-11-19 22:31:35 +080080#endif
Andrew Victorf0a13852006-01-10 16:59:28 +000081
Andrew Victor067bbad2006-06-19 18:16:45 +010082static struct spi_board_info ek_spi_devices[] = {
83 { /* DataFlash chip */
84 .modalias = "mtd_dataflash",
85 .chip_select = 0,
86 .max_speed_hz = 15 * 1000 * 1000,
87 },
88#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
89 { /* DataFlash card */
90 .modalias = "mtd_dataflash",
91 .chip_select = 3,
92 .max_speed_hz = 15 * 1000 * 1000,
93 },
94#endif
95};
96
Jan Altenberg430cb432007-12-10 10:06:40 +010097static struct i2c_board_info __initdata ek_i2c_devices[] = {
98 {
99 I2C_BOARD_INFO("ics1523", 0x26),
100 },
101 {
102 I2C_BOARD_INFO("dac3550", 0x4d),
103 }
104};
105
Andrew Victorfcc63712006-12-01 10:55:15 +0100106#define EK_FLASH_BASE AT91_CHIPSELECT_0
Jean-Christophe PLAGNIOL-VILLARDbf66b0d2012-04-10 16:02:31 +0200107#define EK_FLASH_SIZE SZ_8M
Andrew Victorfcc63712006-12-01 10:55:15 +0100108
109static struct physmap_flash_data ek_flash_data = {
Andrew Victor19750332008-05-24 18:10:26 +0100110 .width = 2,
Andrew Victorfcc63712006-12-01 10:55:15 +0100111};
112
113static struct resource ek_flash_resource = {
114 .start = EK_FLASH_BASE,
115 .end = EK_FLASH_BASE + EK_FLASH_SIZE - 1,
116 .flags = IORESOURCE_MEM,
117};
118
119static struct platform_device ek_flash = {
120 .name = "physmap-flash",
121 .id = 0,
122 .dev = {
123 .platform_data = &ek_flash_data,
124 },
125 .resource = &ek_flash_resource,
126 .num_resources = 1,
127};
128
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100129static struct gpio_led ek_leds[] = {
130 { /* "user led 1", DS2 */
131 .name = "green",
132 .gpio = AT91_PIN_PB0,
133 .active_low = 1,
134 .default_trigger = "mmc0",
135 },
136 { /* "user led 2", DS4 */
137 .name = "yellow",
138 .gpio = AT91_PIN_PB1,
139 .active_low = 1,
140 .default_trigger = "heartbeat",
141 },
142 { /* "user led 3", DS6 */
143 .name = "red",
144 .gpio = AT91_PIN_PB2,
145 .active_low = 1,
146 }
147};
Andrew Victorfcc63712006-12-01 10:55:15 +0100148
Andrew Victorf0a13852006-01-10 16:59:28 +0000149static void __init ek_board_init(void)
150{
Andrew Victor067bbad2006-06-19 18:16:45 +0100151 /* Serial */
Jean-Christophe PLAGNIOL-VILLARD71b149b2012-04-05 14:14:28 +0800152 /* DBGU on ttyS0. (Rx & Tx only) */
153 at91_register_uart(0, 0, 0);
154
155 /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
156 at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
157 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
158 | ATMEL_UART_RI);
Andrew Victor067bbad2006-06-19 18:16:45 +0100159 at91_add_device_serial();
Andrew Victorf0a13852006-01-10 16:59:28 +0000160 /* Ethernet */
161 at91_add_device_eth(&ek_eth_data);
162 /* USB Host */
163 at91_add_device_usbh(&ek_usbh_data);
164 /* USB Device */
165 at91_add_device_udc(&ek_udc_data);
Andrew Victor067bbad2006-06-19 18:16:45 +0100166 at91_set_multi_drive(ek_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
167 /* I2C */
Andrew Victorf230d3f2007-11-19 13:47:20 +0100168 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
Andrew Victor067bbad2006-06-19 18:16:45 +0100169 /* SPI */
170 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
Andrew Victor486bcc52006-04-02 17:15:49 +0100171#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
172 /* DataFlash card */
173 at91_set_gpio_output(AT91_PIN_PB22, 0);
174#else
Andrew Victorf0a13852006-01-10 16:59:28 +0000175 /* MMC */
Andrew Victor486bcc52006-04-02 17:15:49 +0100176 at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
Ludovic Desroches4cf33262012-05-21 12:23:27 +0200177 at91_add_device_mci(0, &ek_mci0_data);
Andrew Victor486bcc52006-04-02 17:15:49 +0100178#endif
Andrew Victorfcc63712006-12-01 10:55:15 +0100179 /* NOR Flash */
180 platform_device_register(&ek_flash);
Andrew Victor1b41bdf2008-01-23 09:32:17 +0100181 /* LEDs */
182 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
Andrew Victorf0a13852006-01-10 16:59:28 +0000183 /* VGA */
184// ek_add_device_video();
185}
186
187MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
188 /* Maintainer: SAN People/Atmel */
Andrew Victorf0a13852006-01-10 16:59:28 +0000189 .timer = &at91rm9200_timer,
Jean-Christophe PLAGNIOL-VILLARD21d08b92011-04-23 15:28:34 +0800190 .map_io = at91_map_io,
Ludovic Desroches3e135462012-06-11 15:38:03 +0200191 .handle_irq = at91_aic_handle_irq,
Jean-Christophe PLAGNIOL-VILLARD1b021a32011-04-28 20:19:32 +0800192 .init_early = ek_init_early,
Jean-Christophe PLAGNIOL-VILLARD92100c12011-04-23 15:28:34 +0800193 .init_irq = at91_init_irq_default,
Andrew Victorf0a13852006-01-10 16:59:28 +0000194 .init_machine = ek_board_init,
195MACHINE_END