Commit | Line | Data |
---|---|---|
a58154d1 YS |
1 | /* |
2 | * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved. | |
3 | * 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> | |
63904767 YS |
24 | #include <linux/fec.h> |
25 | #include <linux/delay.h> | |
26 | #include <linux/gpio.h> | |
65e2e9c8 YS |
27 | #include <linux/spi/flash.h> |
28 | #include <linux/spi/spi.h> | |
a58154d1 YS |
29 | #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 | ||
63904767 | 37 | #define SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6) |
6b2837dc YS |
38 | #define EVK_ECSPI1_CS0 IMX_GPIO_NR(2, 30) |
39 | #define EVK_ECSPI1_CS1 IMX_GPIO_NR(3, 19) | |
63904767 | 40 | |
a58154d1 YS |
41 | #include "crm_regs.h" |
42 | #include "devices-imx53.h" | |
43 | ||
44 | static iomux_v3_cfg_t mx53_evk_pads[] = { | |
45 | MX53_PAD_CSI0_D10__UART1_TXD, | |
46 | MX53_PAD_CSI0_D11__UART1_RXD, | |
47 | MX53_PAD_ATA_DIOW__UART1_TXD, | |
48 | MX53_PAD_ATA_DMACK__UART1_RXD, | |
49 | ||
50 | MX53_PAD_ATA_BUFFER_EN__UART2_RXD, | |
51 | MX53_PAD_ATA_DMARQ__UART2_TXD, | |
52 | MX53_PAD_ATA_DIOR__UART2_RTS, | |
53 | MX53_PAD_ATA_INTRQ__UART2_CTS, | |
54 | ||
55 | MX53_PAD_ATA_CS_0__UART3_TXD, | |
56 | MX53_PAD_ATA_CS_1__UART3_RXD, | |
57 | MX53_PAD_ATA_DA_1__UART3_CTS, | |
58 | MX53_PAD_ATA_DA_2__UART3_RTS, | |
6b2837dc YS |
59 | |
60 | MX53_PAD_EIM_D16__CSPI1_SCLK, | |
61 | MX53_PAD_EIM_D17__CSPI1_MISO, | |
62 | MX53_PAD_EIM_D18__CSPI1_MOSI, | |
63 | ||
64 | /* ecspi chip select lines */ | |
65 | MX53_PAD_EIM_EB2__GPIO_2_30, | |
66 | MX53_PAD_EIM_D19__GPIO_3_19, | |
a58154d1 YS |
67 | }; |
68 | ||
69 | static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = { | |
70 | .flags = IMXUART_HAVE_RTSCTS, | |
71 | }; | |
72 | ||
73 | static inline void mx53_evk_init_uart(void) | |
74 | { | |
75 | imx53_add_imx_uart(0, &mx53_evk_uart_pdata); | |
76 | imx53_add_imx_uart(1, &mx53_evk_uart_pdata); | |
77 | imx53_add_imx_uart(2, &mx53_evk_uart_pdata); | |
78 | } | |
79 | ||
0d7671ee YS |
80 | static const struct imxi2c_platform_data mx53_evk_i2c_data __initconst = { |
81 | .bitrate = 100000, | |
82 | }; | |
83 | ||
63904767 YS |
84 | static inline void mx53_evk_fec_reset(void) |
85 | { | |
86 | int ret; | |
87 | ||
88 | /* reset FEC PHY */ | |
89 | ret = gpio_request(SMD_FEC_PHY_RST, "fec-phy-reset"); | |
90 | if (ret) { | |
91 | printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret); | |
92 | return; | |
93 | } | |
94 | gpio_direction_output(SMD_FEC_PHY_RST, 0); | |
95 | gpio_set_value(SMD_FEC_PHY_RST, 0); | |
96 | msleep(1); | |
97 | gpio_set_value(SMD_FEC_PHY_RST, 1); | |
98 | } | |
99 | ||
100 | static struct fec_platform_data mx53_evk_fec_pdata = { | |
101 | .phy = PHY_INTERFACE_MODE_RMII, | |
102 | }; | |
103 | ||
65e2e9c8 YS |
104 | static struct spi_board_info mx53_evk_spi_board_info[] __initdata = { |
105 | { | |
106 | .modalias = "mtd_dataflash", | |
107 | .max_speed_hz = 25000000, | |
108 | .bus_num = 0, | |
109 | .chip_select = 1, | |
110 | .mode = SPI_MODE_0, | |
111 | .platform_data = NULL, | |
112 | }, | |
113 | }; | |
114 | ||
b0a6ba5f YS |
115 | static int mx53_evk_spi_cs[] = { |
116 | EVK_ECSPI1_CS0, | |
117 | EVK_ECSPI1_CS1, | |
118 | }; | |
119 | ||
120 | static const struct spi_imx_master mx53_evk_spi_data __initconst = { | |
121 | .chipselect = mx53_evk_spi_cs, | |
122 | .num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs), | |
123 | }; | |
124 | ||
a58154d1 YS |
125 | static void __init mx53_evk_board_init(void) |
126 | { | |
127 | mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads, | |
128 | ARRAY_SIZE(mx53_evk_pads)); | |
129 | mx53_evk_init_uart(); | |
63904767 YS |
130 | mx53_evk_fec_reset(); |
131 | imx53_add_fec(&mx53_evk_fec_pdata); | |
0d7671ee YS |
132 | |
133 | imx53_add_imx_i2c(0, &mx53_evk_i2c_data); | |
134 | imx53_add_imx_i2c(1, &mx53_evk_i2c_data); | |
410d3458 YS |
135 | |
136 | imx53_add_sdhci_esdhc_imx(0, NULL); | |
137 | imx53_add_sdhci_esdhc_imx(1, NULL); | |
b0a6ba5f | 138 | |
65e2e9c8 YS |
139 | spi_register_board_info(mx53_evk_spi_board_info, |
140 | ARRAY_SIZE(mx53_evk_spi_board_info)); | |
b0a6ba5f | 141 | imx53_add_ecspi(0, &mx53_evk_spi_data); |
a58154d1 YS |
142 | } |
143 | ||
144 | static void __init mx53_evk_timer_init(void) | |
145 | { | |
146 | mx53_clocks_init(32768, 24000000, 22579200, 0); | |
147 | } | |
148 | ||
149 | static struct sys_timer mx53_evk_timer = { | |
150 | .init = mx53_evk_timer_init, | |
151 | }; | |
152 | ||
153 | MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board") | |
154 | .map_io = mx53_map_io, | |
155 | .init_irq = mx53_init_irq, | |
156 | .init_machine = mx53_evk_board_init, | |
157 | .timer = &mx53_evk_timer, | |
158 | MACHINE_END |