2 * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2010 Yong Shen. <Yong.Shen@linaro.org>
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.
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.
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.
22 #include <linux/init.h>
23 #include <linux/clk.h>
24 #include <linux/delay.h>
25 #include <linux/gpio.h>
26 #include <linux/spi/flash.h>
27 #include <linux/spi/spi.h>
28 #include <mach/common.h>
29 #include <mach/hardware.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/time.h>
33 #include <mach/iomux-mx53.h>
35 #define MX53_EVK_FEC_PHY_RST IMX_GPIO_NR(7, 6)
36 #define EVK_ECSPI1_CS0 IMX_GPIO_NR(2, 30)
37 #define EVK_ECSPI1_CS1 IMX_GPIO_NR(3, 19)
40 #include "devices-imx53.h"
42 static iomux_v3_cfg_t mx53_evk_pads[] = {
43 MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
44 MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
46 MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX,
47 MX53_PAD_PATA_DMARQ__UART2_TXD_MUX,
48 MX53_PAD_PATA_DIOR__UART2_RTS,
49 MX53_PAD_PATA_INTRQ__UART2_CTS,
51 MX53_PAD_PATA_CS_0__UART3_TXD_MUX,
52 MX53_PAD_PATA_CS_1__UART3_RXD_MUX,
54 MX53_PAD_EIM_D16__ECSPI1_SCLK,
55 MX53_PAD_EIM_D17__ECSPI1_MISO,
56 MX53_PAD_EIM_D18__ECSPI1_MOSI,
58 /* ecspi chip select lines */
59 MX53_PAD_EIM_EB2__GPIO2_30,
60 MX53_PAD_EIM_D19__GPIO3_19,
63 static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
64 .flags = IMXUART_HAVE_RTSCTS,
67 static inline void mx53_evk_init_uart(void)
69 imx53_add_imx_uart(0, NULL);
70 imx53_add_imx_uart(1, &mx53_evk_uart_pdata);
71 imx53_add_imx_uart(2, NULL);
74 static const struct imxi2c_platform_data mx53_evk_i2c_data __initconst = {
78 static inline void mx53_evk_fec_reset(void)
83 ret = gpio_request_one(MX53_EVK_FEC_PHY_RST, GPIOF_OUT_INIT_LOW,
86 printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
90 gpio_set_value(MX53_EVK_FEC_PHY_RST, 1);
93 static struct fec_platform_data mx53_evk_fec_pdata = {
94 .phy = PHY_INTERFACE_MODE_RMII,
97 static struct spi_board_info mx53_evk_spi_board_info[] __initdata = {
99 .modalias = "mtd_dataflash",
100 .max_speed_hz = 25000000,
104 .platform_data = NULL,
108 static int mx53_evk_spi_cs[] = {
113 static const struct spi_imx_master mx53_evk_spi_data __initconst = {
114 .chipselect = mx53_evk_spi_cs,
115 .num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs),
118 static void __init mx53_evk_board_init(void)
122 mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
123 ARRAY_SIZE(mx53_evk_pads));
124 mx53_evk_init_uart();
125 mx53_evk_fec_reset();
126 imx53_add_fec(&mx53_evk_fec_pdata);
128 imx53_add_imx_i2c(0, &mx53_evk_i2c_data);
129 imx53_add_imx_i2c(1, &mx53_evk_i2c_data);
131 imx53_add_sdhci_esdhc_imx(0, NULL);
132 imx53_add_sdhci_esdhc_imx(1, NULL);
134 spi_register_board_info(mx53_evk_spi_board_info,
135 ARRAY_SIZE(mx53_evk_spi_board_info));
136 imx53_add_ecspi(0, &mx53_evk_spi_data);
137 imx53_add_imx2_wdt(0, NULL);
140 static void __init mx53_evk_timer_init(void)
142 mx53_clocks_init(32768, 24000000, 22579200, 0);
145 static struct sys_timer mx53_evk_timer = {
146 .init = mx53_evk_timer_init,
149 MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board")
150 .map_io = mx53_map_io,
151 .init_early = imx53_init_early,
152 .init_irq = mx53_init_irq,
153 .timer = &mx53_evk_timer,
154 .init_machine = mx53_evk_board_init,