Richard Zhao | d3d4b60 | 2010-12-30 19:25:06 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved. |
| 3 | */ |
| 4 | |
| 5 | /* |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | |
| 16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 19 | */ |
| 20 | |
| 21 | #include <linux/init.h> |
| 22 | #include <linux/platform_device.h> |
| 23 | #include <linux/gpio.h> |
| 24 | #include <linux/delay.h> |
| 25 | #include <linux/io.h> |
| 26 | #include <linux/fsl_devices.h> |
| 27 | |
| 28 | #include <mach/common.h> |
| 29 | #include <mach/hardware.h> |
| 30 | #include <mach/iomux-mx50.h> |
| 31 | |
| 32 | #include <asm/irq.h> |
| 33 | #include <asm/setup.h> |
| 34 | #include <asm/mach-types.h> |
| 35 | #include <asm/mach/arch.h> |
| 36 | #include <asm/mach/time.h> |
| 37 | |
| 38 | #include "devices-mx50.h" |
| 39 | |
| 40 | static iomux_v3_cfg_t mx50_rdp_pads[] __initdata = { |
| 41 | /* SD1 */ |
| 42 | MX50_PAD_ECSPI2_SS0__GPIO_4_19, |
| 43 | MX50_PAD_EIM_CRE__GPIO_1_27, |
| 44 | MX50_PAD_SD1_CMD__SD1_CMD, |
| 45 | |
| 46 | MX50_PAD_SD1_CLK__SD1_CLK, |
| 47 | MX50_PAD_SD1_D0__SD1_D0, |
| 48 | MX50_PAD_SD1_D1__SD1_D1, |
| 49 | MX50_PAD_SD1_D2__SD1_D2, |
| 50 | MX50_PAD_SD1_D3__SD1_D3, |
| 51 | |
| 52 | /* SD2 */ |
| 53 | MX50_PAD_SD2_CD__GPIO_5_17, |
| 54 | MX50_PAD_SD2_WP__GPIO_5_16, |
| 55 | MX50_PAD_SD2_CMD__SD2_CMD, |
| 56 | MX50_PAD_SD2_CLK__SD2_CLK, |
| 57 | MX50_PAD_SD2_D0__SD2_D0, |
| 58 | MX50_PAD_SD2_D1__SD2_D1, |
| 59 | MX50_PAD_SD2_D2__SD2_D2, |
| 60 | MX50_PAD_SD2_D3__SD2_D3, |
| 61 | MX50_PAD_SD2_D4__SD2_D4, |
| 62 | MX50_PAD_SD2_D5__SD2_D5, |
| 63 | MX50_PAD_SD2_D6__SD2_D6, |
| 64 | MX50_PAD_SD2_D7__SD2_D7, |
| 65 | |
| 66 | /* SD3 */ |
| 67 | MX50_PAD_SD3_CMD__SD3_CMD, |
| 68 | MX50_PAD_SD3_CLK__SD3_CLK, |
| 69 | MX50_PAD_SD3_D0__SD3_D0, |
| 70 | MX50_PAD_SD3_D1__SD3_D1, |
| 71 | MX50_PAD_SD3_D2__SD3_D2, |
| 72 | MX50_PAD_SD3_D3__SD3_D3, |
| 73 | MX50_PAD_SD3_D4__SD3_D4, |
| 74 | MX50_PAD_SD3_D5__SD3_D5, |
| 75 | MX50_PAD_SD3_D6__SD3_D6, |
| 76 | MX50_PAD_SD3_D7__SD3_D7, |
| 77 | |
| 78 | /* PWR_INT */ |
| 79 | MX50_PAD_ECSPI2_MISO__GPIO_4_18, |
| 80 | |
| 81 | /* UART pad setting */ |
| 82 | MX50_PAD_UART1_TXD__UART1_TXD, |
| 83 | MX50_PAD_UART1_RXD__UART1_RXD, |
| 84 | MX50_PAD_UART1_RTS__UART1_RTS, |
| 85 | MX50_PAD_UART2_TXD__UART2_TXD, |
| 86 | MX50_PAD_UART2_RXD__UART2_RXD, |
| 87 | MX50_PAD_UART2_CTS__UART2_CTS, |
| 88 | MX50_PAD_UART2_RTS__UART2_RTS, |
| 89 | |
| 90 | MX50_PAD_I2C1_SCL__I2C1_SCL, |
| 91 | MX50_PAD_I2C1_SDA__I2C1_SDA, |
| 92 | MX50_PAD_I2C2_SCL__I2C2_SCL, |
| 93 | MX50_PAD_I2C2_SDA__I2C2_SDA, |
| 94 | |
| 95 | MX50_PAD_EPITO__USBH1_PWR, |
| 96 | /* Need to comment below line if |
| 97 | * one needs to debug owire. |
| 98 | */ |
| 99 | MX50_PAD_OWIRE__USBH1_OC, |
| 100 | /* using gpio to control otg pwr */ |
| 101 | MX50_PAD_PWM2__GPIO_6_25, |
| 102 | MX50_PAD_I2C3_SCL__USBOTG_OC, |
| 103 | |
| 104 | MX50_PAD_SSI_RXC__FEC_MDIO, |
| 105 | MX50_PAD_SSI_RXC__FEC_MDIO, |
| 106 | MX50_PAD_DISP_D0__FEC_TXCLK, |
| 107 | MX50_PAD_DISP_D1__FEC_RX_ER, |
| 108 | MX50_PAD_DISP_D2__FEC_RX_DV, |
| 109 | MX50_PAD_DISP_D3__FEC_RXD1, |
| 110 | MX50_PAD_DISP_D4__FEC_RXD0, |
| 111 | MX50_PAD_DISP_D5__FEC_TX_EN, |
| 112 | MX50_PAD_DISP_D6__FEC_TXD1, |
| 113 | MX50_PAD_DISP_D7__FEC_TXD0, |
| 114 | MX50_PAD_SSI_RXFS__FEC_MDC, |
| 115 | MX50_PAD_I2C3_SDA__GPIO_6_23, |
| 116 | MX50_PAD_ECSPI1_SCLK__GPIO_4_12, |
| 117 | |
| 118 | MX50_PAD_CSPI_SS0__CSPI_SS0, |
| 119 | MX50_PAD_ECSPI1_MOSI__CSPI_SS1, |
| 120 | MX50_PAD_CSPI_MOSI__CSPI_MOSI, |
| 121 | MX50_PAD_CSPI_MISO__CSPI_MISO, |
| 122 | |
| 123 | /* SGTL500_OSC_EN */ |
| 124 | MX50_PAD_UART1_CTS__GPIO_6_8, |
| 125 | |
| 126 | /* SGTL_AMP_SHDN */ |
| 127 | MX50_PAD_UART3_RXD__GPIO_6_15, |
| 128 | |
| 129 | /* Keypad */ |
| 130 | MX50_PAD_KEY_COL0__KEY_COL0, |
| 131 | MX50_PAD_KEY_ROW0__KEY_ROW0, |
| 132 | MX50_PAD_KEY_COL1__KEY_COL1, |
| 133 | MX50_PAD_KEY_ROW1__KEY_ROW1, |
| 134 | MX50_PAD_KEY_COL2__KEY_COL2, |
| 135 | MX50_PAD_KEY_ROW2__KEY_ROW2, |
| 136 | MX50_PAD_KEY_COL3__KEY_COL3, |
| 137 | MX50_PAD_KEY_ROW3__KEY_ROW3, |
| 138 | MX50_PAD_EIM_DA0__KEY_COL4, |
| 139 | MX50_PAD_EIM_DA1__KEY_ROW4, |
| 140 | MX50_PAD_EIM_DA2__KEY_COL5, |
| 141 | MX50_PAD_EIM_DA3__KEY_ROW5, |
| 142 | MX50_PAD_EIM_DA4__KEY_COL6, |
| 143 | MX50_PAD_EIM_DA5__KEY_ROW6, |
| 144 | MX50_PAD_EIM_DA6__KEY_COL7, |
| 145 | MX50_PAD_EIM_DA7__KEY_ROW7, |
| 146 | /*EIM pads */ |
| 147 | MX50_PAD_EIM_DA8__GPIO_1_8, |
| 148 | MX50_PAD_EIM_DA9__GPIO_1_9, |
| 149 | MX50_PAD_EIM_DA10__GPIO_1_10, |
| 150 | MX50_PAD_EIM_DA11__GPIO_1_11, |
| 151 | MX50_PAD_EIM_DA12__GPIO_1_12, |
| 152 | MX50_PAD_EIM_DA13__GPIO_1_13, |
| 153 | MX50_PAD_EIM_DA14__GPIO_1_14, |
| 154 | MX50_PAD_EIM_DA15__GPIO_1_15, |
| 155 | MX50_PAD_EIM_CS2__GPIO_1_16, |
| 156 | MX50_PAD_EIM_CS1__GPIO_1_17, |
| 157 | MX50_PAD_EIM_CS0__GPIO_1_18, |
| 158 | MX50_PAD_EIM_EB0__GPIO_1_19, |
| 159 | MX50_PAD_EIM_EB1__GPIO_1_20, |
| 160 | MX50_PAD_EIM_WAIT__GPIO_1_21, |
| 161 | MX50_PAD_EIM_BCLK__GPIO_1_22, |
| 162 | MX50_PAD_EIM_RDY__GPIO_1_23, |
| 163 | MX50_PAD_EIM_OE__GPIO_1_24, |
| 164 | }; |
| 165 | |
| 166 | /* Serial ports */ |
| 167 | static const struct imxuart_platform_data uart_pdata __initconst = { |
| 168 | .flags = IMXUART_HAVE_RTSCTS, |
| 169 | }; |
| 170 | |
| 171 | /* |
| 172 | * Board specific initialization. |
| 173 | */ |
| 174 | static void __init mx50_rdp_board_init(void) |
| 175 | { |
| 176 | mxc_iomux_v3_setup_multiple_pads(mx50_rdp_pads, |
| 177 | ARRAY_SIZE(mx50_rdp_pads)); |
| 178 | |
| 179 | imx50_add_imx_uart(0, &uart_pdata); |
| 180 | imx50_add_imx_uart(1, &uart_pdata); |
| 181 | } |
| 182 | |
| 183 | static void __init mx50_rdp_timer_init(void) |
| 184 | { |
| 185 | mx50_clocks_init(32768, 24000000, 22579200); |
| 186 | } |
| 187 | |
| 188 | static struct sys_timer mx50_rdp_timer = { |
| 189 | .init = mx50_rdp_timer_init, |
| 190 | }; |
| 191 | |
| 192 | MACHINE_START(MX50_RDP, "Freescale MX50 Reference Design Platform") |
| 193 | .map_io = mx50_map_io, |
| 194 | .init_irq = mx50_init_irq, |
| 195 | .init_machine = mx50_rdp_board_init, |
| 196 | .timer = &mx50_rdp_timer, |
| 197 | MACHINE_END |