Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 1 | /* |
Dinh Nguyen | 816ad74 | 2011-01-15 13:40:12 -0600 | [diff] [blame] | 2 | * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved. |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 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> |
Yong Shen | 6390476 | 2011-01-07 12:25:32 +0800 | [diff] [blame] | 24 | #include <linux/delay.h> |
| 25 | #include <linux/gpio.h> |
Yong Shen | 65e2e9c | 2011-01-13 11:39:53 +0800 | [diff] [blame] | 26 | #include <linux/spi/flash.h> |
| 27 | #include <linux/spi/spi.h> |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 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> |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 33 | #include <mach/iomux-mx53.h> |
| 34 | |
Fabio Estevam | 350ac9d | 2011-03-16 22:52:34 -0300 | [diff] [blame] | 35 | #define MX53_EVK_FEC_PHY_RST IMX_GPIO_NR(7, 6) |
Yong Shen | 6b2837d | 2011-01-13 11:39:52 +0800 | [diff] [blame] | 36 | #define EVK_ECSPI1_CS0 IMX_GPIO_NR(2, 30) |
| 37 | #define EVK_ECSPI1_CS1 IMX_GPIO_NR(3, 19) |
Yong Shen | 6390476 | 2011-01-07 12:25:32 +0800 | [diff] [blame] | 38 | |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 39 | #include "crm_regs.h" |
| 40 | #include "devices-imx53.h" |
| 41 | |
| 42 | static iomux_v3_cfg_t mx53_evk_pads[] = { |
Dinh Nguyen | 816ad74 | 2011-01-15 13:40:12 -0600 | [diff] [blame] | 43 | MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, |
| 44 | MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 45 | |
Dinh Nguyen | 816ad74 | 2011-01-15 13:40:12 -0600 | [diff] [blame] | 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, |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 50 | |
Dinh Nguyen | 816ad74 | 2011-01-15 13:40:12 -0600 | [diff] [blame] | 51 | MX53_PAD_PATA_CS_0__UART3_TXD_MUX, |
| 52 | MX53_PAD_PATA_CS_1__UART3_RXD_MUX, |
Yong Shen | 6b2837d | 2011-01-13 11:39:52 +0800 | [diff] [blame] | 53 | |
Dinh Nguyen | 816ad74 | 2011-01-15 13:40:12 -0600 | [diff] [blame] | 54 | MX53_PAD_EIM_D16__ECSPI1_SCLK, |
| 55 | MX53_PAD_EIM_D17__ECSPI1_MISO, |
| 56 | MX53_PAD_EIM_D18__ECSPI1_MOSI, |
Yong Shen | 6b2837d | 2011-01-13 11:39:52 +0800 | [diff] [blame] | 57 | |
| 58 | /* ecspi chip select lines */ |
Dinh Nguyen | 816ad74 | 2011-01-15 13:40:12 -0600 | [diff] [blame] | 59 | MX53_PAD_EIM_EB2__GPIO2_30, |
| 60 | MX53_PAD_EIM_D19__GPIO3_19, |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 61 | }; |
| 62 | |
| 63 | static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = { |
| 64 | .flags = IMXUART_HAVE_RTSCTS, |
| 65 | }; |
| 66 | |
| 67 | static inline void mx53_evk_init_uart(void) |
| 68 | { |
Fabio Estevam | df42c8a | 2011-01-31 15:12:54 -0200 | [diff] [blame] | 69 | imx53_add_imx_uart(0, NULL); |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 70 | imx53_add_imx_uart(1, &mx53_evk_uart_pdata); |
Fabio Estevam | 54c4bd6 | 2011-03-02 13:30:53 -0300 | [diff] [blame] | 71 | imx53_add_imx_uart(2, NULL); |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 72 | } |
| 73 | |
Yong Shen | 0d7671e | 2011-01-07 12:25:33 +0800 | [diff] [blame] | 74 | static const struct imxi2c_platform_data mx53_evk_i2c_data __initconst = { |
| 75 | .bitrate = 100000, |
| 76 | }; |
| 77 | |
Yong Shen | 6390476 | 2011-01-07 12:25:32 +0800 | [diff] [blame] | 78 | static inline void mx53_evk_fec_reset(void) |
| 79 | { |
| 80 | int ret; |
| 81 | |
| 82 | /* reset FEC PHY */ |
Fabio Estevam | 350ac9d | 2011-03-16 22:52:34 -0300 | [diff] [blame] | 83 | ret = gpio_request_one(MX53_EVK_FEC_PHY_RST, GPIOF_OUT_INIT_LOW, |
Fabio Estevam | 6ea6392 | 2011-03-16 22:52:33 -0300 | [diff] [blame] | 84 | "fec-phy-reset"); |
Yong Shen | 6390476 | 2011-01-07 12:25:32 +0800 | [diff] [blame] | 85 | if (ret) { |
| 86 | printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret); |
| 87 | return; |
| 88 | } |
Yong Shen | 6390476 | 2011-01-07 12:25:32 +0800 | [diff] [blame] | 89 | msleep(1); |
Fabio Estevam | 350ac9d | 2011-03-16 22:52:34 -0300 | [diff] [blame] | 90 | gpio_set_value(MX53_EVK_FEC_PHY_RST, 1); |
Yong Shen | 6390476 | 2011-01-07 12:25:32 +0800 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | static struct fec_platform_data mx53_evk_fec_pdata = { |
| 94 | .phy = PHY_INTERFACE_MODE_RMII, |
| 95 | }; |
| 96 | |
Yong Shen | 65e2e9c | 2011-01-13 11:39:53 +0800 | [diff] [blame] | 97 | static struct spi_board_info mx53_evk_spi_board_info[] __initdata = { |
| 98 | { |
| 99 | .modalias = "mtd_dataflash", |
| 100 | .max_speed_hz = 25000000, |
| 101 | .bus_num = 0, |
| 102 | .chip_select = 1, |
| 103 | .mode = SPI_MODE_0, |
| 104 | .platform_data = NULL, |
| 105 | }, |
| 106 | }; |
| 107 | |
Yong Shen | b0a6ba5 | 2011-01-10 20:08:53 +0800 | [diff] [blame] | 108 | static int mx53_evk_spi_cs[] = { |
| 109 | EVK_ECSPI1_CS0, |
| 110 | EVK_ECSPI1_CS1, |
| 111 | }; |
| 112 | |
| 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), |
| 116 | }; |
| 117 | |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 118 | static void __init mx53_evk_board_init(void) |
| 119 | { |
| 120 | mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads, |
| 121 | ARRAY_SIZE(mx53_evk_pads)); |
| 122 | mx53_evk_init_uart(); |
Yong Shen | 6390476 | 2011-01-07 12:25:32 +0800 | [diff] [blame] | 123 | mx53_evk_fec_reset(); |
| 124 | imx53_add_fec(&mx53_evk_fec_pdata); |
Yong Shen | 0d7671e | 2011-01-07 12:25:33 +0800 | [diff] [blame] | 125 | |
| 126 | imx53_add_imx_i2c(0, &mx53_evk_i2c_data); |
| 127 | imx53_add_imx_i2c(1, &mx53_evk_i2c_data); |
Yong Shen | 410d3458 | 2011-01-07 12:25:34 +0800 | [diff] [blame] | 128 | |
| 129 | imx53_add_sdhci_esdhc_imx(0, NULL); |
| 130 | imx53_add_sdhci_esdhc_imx(1, NULL); |
Yong Shen | b0a6ba5 | 2011-01-10 20:08:53 +0800 | [diff] [blame] | 131 | |
Yong Shen | 65e2e9c | 2011-01-13 11:39:53 +0800 | [diff] [blame] | 132 | spi_register_board_info(mx53_evk_spi_board_info, |
| 133 | ARRAY_SIZE(mx53_evk_spi_board_info)); |
Yong Shen | b0a6ba5 | 2011-01-10 20:08:53 +0800 | [diff] [blame] | 134 | imx53_add_ecspi(0, &mx53_evk_spi_data); |
Fabio Estevam | daa7954 | 2011-02-17 18:09:53 -0200 | [diff] [blame] | 135 | imx53_add_imx2_wdt(0, NULL); |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | static void __init mx53_evk_timer_init(void) |
| 139 | { |
| 140 | mx53_clocks_init(32768, 24000000, 22579200, 0); |
| 141 | } |
| 142 | |
| 143 | static struct sys_timer mx53_evk_timer = { |
| 144 | .init = mx53_evk_timer_init, |
| 145 | }; |
| 146 | |
| 147 | MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board") |
| 148 | .map_io = mx53_map_io, |
Uwe Kleine-König | ab130421 | 2011-02-07 16:35:21 +0100 | [diff] [blame] | 149 | .init_early = imx53_init_early, |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 150 | .init_irq = mx53_init_irq, |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 151 | .timer = &mx53_evk_timer, |
Uwe Kleine-König | ab130421 | 2011-02-07 16:35:21 +0100 | [diff] [blame] | 152 | .init_machine = mx53_evk_board_init, |
Yong Shen | a58154d | 2011-01-04 14:22:56 +0800 | [diff] [blame] | 153 | MACHINE_END |