| /* |
| * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved. |
| */ |
| |
| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/gpio.h> |
| #include <linux/delay.h> |
| #include <linux/io.h> |
| |
| #include <asm/irq.h> |
| #include <asm/setup.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/time.h> |
| |
| #include "common.h" |
| #include "devices-imx50.h" |
| #include "hardware.h" |
| #include "iomux-mx50.h" |
| |
| #define FEC_EN IMX_GPIO_NR(6, 23) |
| #define FEC_RESET_B IMX_GPIO_NR(4, 12) |
| |
| static iomux_v3_cfg_t mx50_rdp_pads[] __initdata = { |
| /* SD1 */ |
| MX50_PAD_ECSPI2_SS0__GPIO_4_19, |
| MX50_PAD_EIM_CRE__GPIO_1_27, |
| MX50_PAD_SD1_CMD__SD1_CMD, |
| |
| MX50_PAD_SD1_CLK__SD1_CLK, |
| MX50_PAD_SD1_D0__SD1_D0, |
| MX50_PAD_SD1_D1__SD1_D1, |
| MX50_PAD_SD1_D2__SD1_D2, |
| MX50_PAD_SD1_D3__SD1_D3, |
| |
| /* SD2 */ |
| MX50_PAD_SD2_CD__GPIO_5_17, |
| MX50_PAD_SD2_WP__GPIO_5_16, |
| MX50_PAD_SD2_CMD__SD2_CMD, |
| MX50_PAD_SD2_CLK__SD2_CLK, |
| MX50_PAD_SD2_D0__SD2_D0, |
| MX50_PAD_SD2_D1__SD2_D1, |
| MX50_PAD_SD2_D2__SD2_D2, |
| MX50_PAD_SD2_D3__SD2_D3, |
| MX50_PAD_SD2_D4__SD2_D4, |
| MX50_PAD_SD2_D5__SD2_D5, |
| MX50_PAD_SD2_D6__SD2_D6, |
| MX50_PAD_SD2_D7__SD2_D7, |
| |
| /* SD3 */ |
| MX50_PAD_SD3_CMD__SD3_CMD, |
| MX50_PAD_SD3_CLK__SD3_CLK, |
| MX50_PAD_SD3_D0__SD3_D0, |
| MX50_PAD_SD3_D1__SD3_D1, |
| MX50_PAD_SD3_D2__SD3_D2, |
| MX50_PAD_SD3_D3__SD3_D3, |
| MX50_PAD_SD3_D4__SD3_D4, |
| MX50_PAD_SD3_D5__SD3_D5, |
| MX50_PAD_SD3_D6__SD3_D6, |
| MX50_PAD_SD3_D7__SD3_D7, |
| |
| /* PWR_INT */ |
| MX50_PAD_ECSPI2_MISO__GPIO_4_18, |
| |
| /* UART pad setting */ |
| MX50_PAD_UART1_TXD__UART1_TXD, |
| MX50_PAD_UART1_RXD__UART1_RXD, |
| MX50_PAD_UART1_RTS__UART1_RTS, |
| MX50_PAD_UART2_TXD__UART2_TXD, |
| MX50_PAD_UART2_RXD__UART2_RXD, |
| MX50_PAD_UART2_CTS__UART2_CTS, |
| MX50_PAD_UART2_RTS__UART2_RTS, |
| |
| MX50_PAD_I2C1_SCL__I2C1_SCL, |
| MX50_PAD_I2C1_SDA__I2C1_SDA, |
| MX50_PAD_I2C2_SCL__I2C2_SCL, |
| MX50_PAD_I2C2_SDA__I2C2_SDA, |
| |
| MX50_PAD_EPITO__USBH1_PWR, |
| /* Need to comment below line if |
| * one needs to debug owire. |
| */ |
| MX50_PAD_OWIRE__USBH1_OC, |
| /* using gpio to control otg pwr */ |
| MX50_PAD_PWM2__GPIO_6_25, |
| MX50_PAD_I2C3_SCL__USBOTG_OC, |
| |
| MX50_PAD_SSI_RXC__FEC_MDIO, |
| MX50_PAD_SSI_RXFS__FEC_MDC, |
| MX50_PAD_DISP_D0__FEC_TXCLK, |
| MX50_PAD_DISP_D1__FEC_RX_ER, |
| MX50_PAD_DISP_D2__FEC_RX_DV, |
| MX50_PAD_DISP_D3__FEC_RXD1, |
| MX50_PAD_DISP_D4__FEC_RXD0, |
| MX50_PAD_DISP_D5__FEC_TX_EN, |
| MX50_PAD_DISP_D6__FEC_TXD1, |
| MX50_PAD_DISP_D7__FEC_TXD0, |
| MX50_PAD_I2C3_SDA__GPIO_6_23, |
| MX50_PAD_ECSPI1_SCLK__GPIO_4_12, |
| |
| MX50_PAD_CSPI_SS0__CSPI_SS0, |
| MX50_PAD_ECSPI1_MOSI__CSPI_SS1, |
| MX50_PAD_CSPI_MOSI__CSPI_MOSI, |
| MX50_PAD_CSPI_MISO__CSPI_MISO, |
| |
| /* SGTL500_OSC_EN */ |
| MX50_PAD_UART1_CTS__GPIO_6_8, |
| |
| /* SGTL_AMP_SHDN */ |
| MX50_PAD_UART3_RXD__GPIO_6_15, |
| |
| /* Keypad */ |
| MX50_PAD_KEY_COL0__KEY_COL0, |
| MX50_PAD_KEY_ROW0__KEY_ROW0, |
| MX50_PAD_KEY_COL1__KEY_COL1, |
| MX50_PAD_KEY_ROW1__KEY_ROW1, |
| MX50_PAD_KEY_COL2__KEY_COL2, |
| MX50_PAD_KEY_ROW2__KEY_ROW2, |
| MX50_PAD_KEY_COL3__KEY_COL3, |
| MX50_PAD_KEY_ROW3__KEY_ROW3, |
| MX50_PAD_EIM_DA0__KEY_COL4, |
| MX50_PAD_EIM_DA1__KEY_ROW4, |
| MX50_PAD_EIM_DA2__KEY_COL5, |
| MX50_PAD_EIM_DA3__KEY_ROW5, |
| MX50_PAD_EIM_DA4__KEY_COL6, |
| MX50_PAD_EIM_DA5__KEY_ROW6, |
| MX50_PAD_EIM_DA6__KEY_COL7, |
| MX50_PAD_EIM_DA7__KEY_ROW7, |
| /*EIM pads */ |
| MX50_PAD_EIM_DA8__GPIO_1_8, |
| MX50_PAD_EIM_DA9__GPIO_1_9, |
| MX50_PAD_EIM_DA10__GPIO_1_10, |
| MX50_PAD_EIM_DA11__GPIO_1_11, |
| MX50_PAD_EIM_DA12__GPIO_1_12, |
| MX50_PAD_EIM_DA13__GPIO_1_13, |
| MX50_PAD_EIM_DA14__GPIO_1_14, |
| MX50_PAD_EIM_DA15__GPIO_1_15, |
| MX50_PAD_EIM_CS2__GPIO_1_16, |
| MX50_PAD_EIM_CS1__GPIO_1_17, |
| MX50_PAD_EIM_CS0__GPIO_1_18, |
| MX50_PAD_EIM_EB0__GPIO_1_19, |
| MX50_PAD_EIM_EB1__GPIO_1_20, |
| MX50_PAD_EIM_WAIT__GPIO_1_21, |
| MX50_PAD_EIM_BCLK__GPIO_1_22, |
| MX50_PAD_EIM_RDY__GPIO_1_23, |
| MX50_PAD_EIM_OE__GPIO_1_24, |
| }; |
| |
| /* Serial ports */ |
| static const struct imxuart_platform_data uart_pdata __initconst = { |
| .flags = IMXUART_HAVE_RTSCTS, |
| }; |
| |
| static const struct fec_platform_data fec_data __initconst = { |
| .phy = PHY_INTERFACE_MODE_RMII, |
| }; |
| |
| static inline void mx50_rdp_fec_reset(void) |
| { |
| gpio_request(FEC_EN, "fec-en"); |
| gpio_direction_output(FEC_EN, 0); |
| gpio_request(FEC_RESET_B, "fec-reset_b"); |
| gpio_direction_output(FEC_RESET_B, 0); |
| msleep(1); |
| gpio_set_value(FEC_RESET_B, 1); |
| } |
| |
| static const struct imxi2c_platform_data i2c_data __initconst = { |
| .bitrate = 100000, |
| }; |
| |
| /* |
| * Board specific initialization. |
| */ |
| static void __init mx50_rdp_board_init(void) |
| { |
| imx50_soc_init(); |
| |
| mxc_iomux_v3_setup_multiple_pads(mx50_rdp_pads, |
| ARRAY_SIZE(mx50_rdp_pads)); |
| |
| imx50_add_imx_uart(0, &uart_pdata); |
| imx50_add_imx_uart(1, &uart_pdata); |
| mx50_rdp_fec_reset(); |
| imx50_add_fec(&fec_data); |
| imx50_add_imx_i2c(0, &i2c_data); |
| imx50_add_imx_i2c(1, &i2c_data); |
| imx50_add_imx_i2c(2, &i2c_data); |
| } |
| |
| static void __init mx50_rdp_timer_init(void) |
| { |
| mx50_clocks_init(32768, 24000000, 22579200); |
| } |
| |
| static struct sys_timer mx50_rdp_timer = { |
| .init = mx50_rdp_timer_init, |
| }; |
| |
| MACHINE_START(MX50_RDP, "Freescale MX50 Reference Design Platform") |
| .map_io = mx50_map_io, |
| .init_early = imx50_init_early, |
| .init_irq = mx50_init_irq, |
| .handle_irq = imx50_handle_irq, |
| .timer = &mx50_rdp_timer, |
| .init_machine = mx50_rdp_board_init, |
| .restart = mxc_restart, |
| MACHINE_END |