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board/aristainetos/aristainetos-v1.c
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d41ce506b Initial Release, ... |
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/* * (C) Copyright 2015 * Heiko Schocher, DENX Software Engineering, hs@denx.de. * * Based on: * Copyright (C) 2012 Freescale Semiconductor, Inc. * * Author: Fabio Estevam <fabio.estevam@freescale.com> * * SPDX-License-Identifier: GPL-2.0+ */ #include <asm/arch/clock.h> #include <asm/arch/imx-regs.h> #include <asm/arch/iomux.h> #include <asm/arch/mx6-pins.h> #include <linux/errno.h> #include <asm/gpio.h> #include <asm/mach-imx/iomux-v3.h> #include <asm/mach-imx/boot_mode.h> #include <asm/mach-imx/mxc_i2c.h> #include <asm/mach-imx/video.h> #include <mmc.h> #include <fsl_esdhc.h> #include <miiphy.h> #include <netdev.h> #include <asm/arch/mxc_hdmi.h> #include <asm/arch/crm_regs.h> #include <linux/fb.h> #include <ipu_pixfmt.h> #include <asm/io.h> #include <asm/arch/sys_proto.h> #include <pwm.h> struct i2c_pads_info i2c_pad_info3 = { .scl = { .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC, .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC, .gp = IMX_GPIO_NR(3, 17) }, .sda = { .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC, .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC, .gp = IMX_GPIO_NR(3, 18) } }; iomux_v3_cfg_t const uart1_pads[] = { MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), }; iomux_v3_cfg_t const uart5_pads[] = { MX6_PAD_CSI0_DAT14__UART5_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_CSI0_DAT15__UART5_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), }; iomux_v3_cfg_t const gpio_pads[] = { /* LED enable */ MX6_PAD_SD4_DAT5__GPIO2_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), /* spi flash WP protect */ MX6_PAD_SD4_DAT7__GPIO2_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), /* backlight enable */ MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* LED yellow */ MX6_PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(NO_PAD_CTRL), /* LED red */ MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), /* LED green */ MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), /* LED blue */ MX6_PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL), /* i2c4 scl */ MX6_PAD_GPIO_7__GPIO1_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), /* i2c4 sda */ MX6_PAD_GPIO_8__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL), /* spi CS 1 */ MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const misc_pads[] = { MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), /* OTG Power enable */ MX6_PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), }; iomux_v3_cfg_t const enet_pads[] = { MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(0x4001b0a8), MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_TXD0__ENET_TX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_TXD1__ENET_TX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_TX_EN__ENET_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_RX_ER__ENET_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_RXD0__ENET_RX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_RXD1__ENET_RX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_CRS_DV__ENET_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), }; static void setup_iomux_enet(void) { struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); /* set GPIO_16 as ENET_REF_CLK_OUT */ setbits_le32(&iomux->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK); } static iomux_v3_cfg_t const backlight_pads[] = { MX6_PAD_GPIO_9__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_SD4_DAT1__PWM3_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), }; iomux_v3_cfg_t const ecspi4_pads[] = { MX6_PAD_EIM_D21__ECSPI4_SCLK | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_EIM_D22__ECSPI4_MISO | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_EIM_D28__ECSPI4_MOSI | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const display_pads[] = { MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(DISP_PAD_CTRL), MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15, MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, MX6_PAD_DI0_PIN4__GPIO4_IO20, MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00, MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01, MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02, MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03, MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04, MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05, MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06, MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07, MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08, MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09, MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10, MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11, MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12, MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13, MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14, MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15, MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16, MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17, MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18, MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19, MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20, MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21, MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22, MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23, }; int board_spi_cs_gpio(unsigned bus, unsigned cs) { return (bus == CONFIG_SF_DEFAULT_BUS && cs == CONFIG_SF_DEFAULT_CS) ? (IMX_GPIO_NR(3, 20)) : -1; } static void setup_spi(void) { int i; imx_iomux_v3_setup_multiple_pads(ecspi4_pads, ARRAY_SIZE(ecspi4_pads)); for (i = 0; i < 3; i++) enable_spi_clk(true, i); /* set cs1 to high */ gpio_direction_output(ECSPI4_CS1, 1); } static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads)); } int board_eth_init(bd_t *bis) { struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; int ret; /* clear gpr1[14], gpr1[18:17] to select anatop clock */ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0); ret = enable_fec_anatop_clock(0, ENET_50MHZ); if (ret) return ret; setup_iomux_enet(); return cpu_eth_init(bis); } static void enable_lvds(struct display_info_t const *dev) { imx_iomux_v3_setup_multiple_pads( display_pads, ARRAY_SIZE(display_pads)); imx_iomux_v3_setup_multiple_pads( backlight_pads, ARRAY_SIZE(backlight_pads)); /* enable backlight PWM 3 */ if (pwm_init(2, 0, 0)) goto error; /* duty cycle 500ns, period: 3000ns */ if (pwm_config(2, 500, 3000)) goto error; if (pwm_enable(2)) goto error; return; error: puts("error init pwm for backlight "); return; } static void setup_display(void) { struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; int reg; enable_ipu_clock(); reg = readl(&mxc_ccm->cs2cdr); /* select pll 5 clock */ reg &= MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK; reg &= MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK; writel(reg, &mxc_ccm->cs2cdr); imx_iomux_v3_setup_multiple_pads(backlight_pads, ARRAY_SIZE(backlight_pads)); } static void setup_iomux_gpio(void) { imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads)); } int board_early_init_f(void) { setup_iomux_uart(); setup_iomux_gpio(); setup_display(); return 0; } static void setup_i2c4(void) { /* i2c4 not used, set it to gpio input */ gpio_request(IMX_GPIO_NR(1, 7), "i2c4_scl"); gpio_direction_input(IMX_GPIO_NR(1, 7)); gpio_request(IMX_GPIO_NR(1, 8), "i2c4_sda"); gpio_direction_input(IMX_GPIO_NR(1, 8)); } static void setup_board_gpio(void) { /* enable LED */ gpio_request(IMX_GPIO_NR(2, 13), "LED ena"); gpio_direction_output(IMX_GPIO_NR(2, 13), 0); gpio_request(IMX_GPIO_NR(1, 3), "LED yellow"); gpio_direction_output(IMX_GPIO_NR(1, 3), 1); gpio_request(IMX_GPIO_NR(1, 4), "LED red"); gpio_direction_output(IMX_GPIO_NR(1, 4), 1); gpio_request(IMX_GPIO_NR(1, 5), "LED green"); gpio_direction_output(IMX_GPIO_NR(1, 5), 1); gpio_request(IMX_GPIO_NR(1, 6), "LED blue"); gpio_direction_output(IMX_GPIO_NR(1, 6), 1); } static void setup_board_spi(void) { } |