blob: 2af3f43f74db7db5375a75b62d4fc5c80f99d09e [file] [log] [blame]
Yong Shena58154d2011-01-04 14:22:56 +08001/*
Dinh Nguyen816ad742011-01-15 13:40:12 -06002 * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
Yong Shena58154d2011-01-04 14:22:56 +08003 * Copyright (C) 2010 Yong Shen. <Yong.Shen@linaro.org>
4 */
5
6/*
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22#include <linux/init.h>
23#include <linux/clk.h>
Yong Shen63904762011-01-07 12:25:32 +080024#include <linux/fec.h>
25#include <linux/delay.h>
26#include <linux/gpio.h>
Yong Shen65e2e9c2011-01-13 11:39:53 +080027#include <linux/spi/flash.h>
28#include <linux/spi/spi.h>
Yong Shena58154d2011-01-04 14:22:56 +080029#include <mach/common.h>
30#include <mach/hardware.h>
31#include <asm/mach-types.h>
32#include <asm/mach/arch.h>
33#include <asm/mach/time.h>
34#include <mach/imx-uart.h>
35#include <mach/iomux-mx53.h>
36
Fabio Estevam350ac9d2011-03-16 22:52:34 -030037#define MX53_EVK_FEC_PHY_RST IMX_GPIO_NR(7, 6)
Yong Shen6b2837d2011-01-13 11:39:52 +080038#define EVK_ECSPI1_CS0 IMX_GPIO_NR(2, 30)
39#define EVK_ECSPI1_CS1 IMX_GPIO_NR(3, 19)
Yong Shen63904762011-01-07 12:25:32 +080040
Yong Shena58154d2011-01-04 14:22:56 +080041#include "crm_regs.h"
42#include "devices-imx53.h"
43
44static iomux_v3_cfg_t mx53_evk_pads[] = {
Dinh Nguyen816ad742011-01-15 13:40:12 -060045 MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
46 MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
Yong Shena58154d2011-01-04 14:22:56 +080047
Dinh Nguyen816ad742011-01-15 13:40:12 -060048 MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX,
49 MX53_PAD_PATA_DMARQ__UART2_TXD_MUX,
50 MX53_PAD_PATA_DIOR__UART2_RTS,
51 MX53_PAD_PATA_INTRQ__UART2_CTS,
Yong Shena58154d2011-01-04 14:22:56 +080052
Dinh Nguyen816ad742011-01-15 13:40:12 -060053 MX53_PAD_PATA_CS_0__UART3_TXD_MUX,
54 MX53_PAD_PATA_CS_1__UART3_RXD_MUX,
Yong Shen6b2837d2011-01-13 11:39:52 +080055
Dinh Nguyen816ad742011-01-15 13:40:12 -060056 MX53_PAD_EIM_D16__ECSPI1_SCLK,
57 MX53_PAD_EIM_D17__ECSPI1_MISO,
58 MX53_PAD_EIM_D18__ECSPI1_MOSI,
Yong Shen6b2837d2011-01-13 11:39:52 +080059
60 /* ecspi chip select lines */
Dinh Nguyen816ad742011-01-15 13:40:12 -060061 MX53_PAD_EIM_EB2__GPIO2_30,
62 MX53_PAD_EIM_D19__GPIO3_19,
Yong Shena58154d2011-01-04 14:22:56 +080063};
64
65static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
66 .flags = IMXUART_HAVE_RTSCTS,
67};
68
69static inline void mx53_evk_init_uart(void)
70{
Fabio Estevamdf42c8a2011-01-31 15:12:54 -020071 imx53_add_imx_uart(0, NULL);
Yong Shena58154d2011-01-04 14:22:56 +080072 imx53_add_imx_uart(1, &mx53_evk_uart_pdata);
Fabio Estevam54c4bd62011-03-02 13:30:53 -030073 imx53_add_imx_uart(2, NULL);
Yong Shena58154d2011-01-04 14:22:56 +080074}
75
Yong Shen0d7671e2011-01-07 12:25:33 +080076static const struct imxi2c_platform_data mx53_evk_i2c_data __initconst = {
77 .bitrate = 100000,
78};
79
Yong Shen63904762011-01-07 12:25:32 +080080static inline void mx53_evk_fec_reset(void)
81{
82 int ret;
83
84 /* reset FEC PHY */
Fabio Estevam350ac9d2011-03-16 22:52:34 -030085 ret = gpio_request_one(MX53_EVK_FEC_PHY_RST, GPIOF_OUT_INIT_LOW,
Fabio Estevam6ea63922011-03-16 22:52:33 -030086 "fec-phy-reset");
Yong Shen63904762011-01-07 12:25:32 +080087 if (ret) {
88 printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
89 return;
90 }
Yong Shen63904762011-01-07 12:25:32 +080091 msleep(1);
Fabio Estevam350ac9d2011-03-16 22:52:34 -030092 gpio_set_value(MX53_EVK_FEC_PHY_RST, 1);
Yong Shen63904762011-01-07 12:25:32 +080093}
94
95static struct fec_platform_data mx53_evk_fec_pdata = {
96 .phy = PHY_INTERFACE_MODE_RMII,
97};
98
Yong Shen65e2e9c2011-01-13 11:39:53 +080099static struct spi_board_info mx53_evk_spi_board_info[] __initdata = {
100 {
101 .modalias = "mtd_dataflash",
102 .max_speed_hz = 25000000,
103 .bus_num = 0,
104 .chip_select = 1,
105 .mode = SPI_MODE_0,
106 .platform_data = NULL,
107 },
108};
109
Yong Shenb0a6ba52011-01-10 20:08:53 +0800110static int mx53_evk_spi_cs[] = {
111 EVK_ECSPI1_CS0,
112 EVK_ECSPI1_CS1,
113};
114
115static const struct spi_imx_master mx53_evk_spi_data __initconst = {
116 .chipselect = mx53_evk_spi_cs,
117 .num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs),
118};
119
Yong Shena58154d2011-01-04 14:22:56 +0800120static void __init mx53_evk_board_init(void)
121{
122 mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
123 ARRAY_SIZE(mx53_evk_pads));
124 mx53_evk_init_uart();
Yong Shen63904762011-01-07 12:25:32 +0800125 mx53_evk_fec_reset();
126 imx53_add_fec(&mx53_evk_fec_pdata);
Yong Shen0d7671e2011-01-07 12:25:33 +0800127
128 imx53_add_imx_i2c(0, &mx53_evk_i2c_data);
129 imx53_add_imx_i2c(1, &mx53_evk_i2c_data);
Yong Shen410d34582011-01-07 12:25:34 +0800130
131 imx53_add_sdhci_esdhc_imx(0, NULL);
132 imx53_add_sdhci_esdhc_imx(1, NULL);
Yong Shenb0a6ba52011-01-10 20:08:53 +0800133
Yong Shen65e2e9c2011-01-13 11:39:53 +0800134 spi_register_board_info(mx53_evk_spi_board_info,
135 ARRAY_SIZE(mx53_evk_spi_board_info));
Yong Shenb0a6ba52011-01-10 20:08:53 +0800136 imx53_add_ecspi(0, &mx53_evk_spi_data);
Fabio Estevamdaa79542011-02-17 18:09:53 -0200137 imx53_add_imx2_wdt(0, NULL);
Yong Shena58154d2011-01-04 14:22:56 +0800138}
139
140static void __init mx53_evk_timer_init(void)
141{
142 mx53_clocks_init(32768, 24000000, 22579200, 0);
143}
144
145static struct sys_timer mx53_evk_timer = {
146 .init = mx53_evk_timer_init,
147};
148
149MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board")
150 .map_io = mx53_map_io,
Uwe Kleine-Königab1304212011-02-07 16:35:21 +0100151 .init_early = imx53_init_early,
Yong Shena58154d2011-01-04 14:22:56 +0800152 .init_irq = mx53_init_irq,
Yong Shena58154d2011-01-04 14:22:56 +0800153 .timer = &mx53_evk_timer,
Uwe Kleine-Königab1304212011-02-07 16:35:21 +0100154 .init_machine = mx53_evk_board_init,
Yong Shena58154d2011-01-04 14:22:56 +0800155MACHINE_END