diff options
Diffstat (limited to 'roms/u-boot/board/freescale/mx7dsabresd/mx7dsabresd.c')
| -rw-r--r-- | roms/u-boot/board/freescale/mx7dsabresd/mx7dsabresd.c | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/mx7dsabresd/mx7dsabresd.c b/roms/u-boot/board/freescale/mx7dsabresd/mx7dsabresd.c new file mode 100644 index 000000000..2777ae13b --- /dev/null +++ b/roms/u-boot/board/freescale/mx7dsabresd/mx7dsabresd.c @@ -0,0 +1,321 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + */ + +#include <init.h> +#include <net.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/mx7-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/global_data.h> +#include <asm/gpio.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/io.h> +#include <linux/delay.h> +#include <linux/sizes.h> +#include <common.h> +#include <fsl_esdhc_imx.h> +#include <mmc.h> +#include <miiphy.h> +#include <power/pmic.h> +#include <power/pfuze3000_pmic.h> +#include "../common/pfuze.h" +#include <i2c.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <asm/arch/crm_regs.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | \ + PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS) + +#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \ + PAD_CTL_DSE_3P3V_49OHM) + +#define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS) + +#define SPI_PAD_CTRL \ + (PAD_CTL_HYS | PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_FAST) + +#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM) + +#ifdef CONFIG_MXC_SPI +static iomux_v3_cfg_t const ecspi3_pads[] = { + MX7D_PAD_SAI2_RX_DATA__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX7D_PAD_SAI2_TX_SYNC__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX7D_PAD_SAI2_TX_BCLK__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX7D_PAD_SAI2_TX_DATA__GPIO6_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +int board_spi_cs_gpio(unsigned bus, unsigned cs) +{ + return (bus == 2 && cs == 0) ? (IMX_GPIO_NR(6, 22)) : -1; +} + +static void setup_spi(void) +{ + imx_iomux_v3_setup_multiple_pads(ecspi3_pads, ARRAY_SIZE(ecspi3_pads)); +} +#endif + +int dram_init(void) +{ + gd->ram_size = PHYS_SDRAM_SIZE; + + return 0; +} + +static iomux_v3_cfg_t const wdog_pads[] = { + MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const uart1_pads[] = { + MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +#ifdef CONFIG_NAND_MXS +static iomux_v3_cfg_t const gpmi_pads[] = { + MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_CLK__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_CMD__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_STROBE__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_RESET_B__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_MCLK__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_TX_SYNC__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_TX_DATA__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_READY0_CTRL), +}; + +static void setup_gpmi_nand(void) +{ + imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); + + /* NAND_USDHC_BUS_CLK is set in rom */ + set_clk_nand(); +} +#endif + +#ifdef CONFIG_VIDEO_MXS +static iomux_v3_cfg_t const lcd_pads[] = { + MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL), + + MX7D_PAD_LCD_RESET__GPIO3_IO4 | MUX_PAD_CTRL(LCD_PAD_CTRL), +}; + +static iomux_v3_cfg_t const pwm_pads[] = { + /* Use GPIO for Brightness adjustment, duty cycle = period */ + MX7D_PAD_GPIO1_IO01__GPIO1_IO1 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static int setup_lcd(void) +{ + imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); + + imx_iomux_v3_setup_multiple_pads(pwm_pads, ARRAY_SIZE(pwm_pads)); + + /* Reset LCD */ + gpio_request(IMX_GPIO_NR(3, 4), "lcd reset"); + gpio_direction_output(IMX_GPIO_NR(3, 4) , 0); + udelay(500); + gpio_direction_output(IMX_GPIO_NR(3, 4) , 1); + + /* Set Brightness to high */ + gpio_request(IMX_GPIO_NR(1, 1), "lcd backlight"); + gpio_direction_output(IMX_GPIO_NR(1, 1) , 1); + + return 0; +} +#endif + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +int board_mmc_get_env_dev(int devno) +{ + if (devno == 2) + devno--; + + return devno; +} + +int mmc_map_to_kernel_blk(int dev_no) +{ + if (dev_no == 1) + dev_no++; + + return dev_no; +} + +#ifdef CONFIG_FEC_MXC +static int setup_fec(void) +{ + struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs + = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR; + + /* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17]*/ + clrsetbits_le32(&iomuxc_gpr_regs->gpr[1], + (IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK | + IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0); + + return set_clk_enet(ENET_125MHZ); +} + +int board_phy_config(struct phy_device *phydev) +{ + /* enable rgmii rxc skew and phy mode select to RGMII copper */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x21); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x7ea8); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x2f); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x71b7); + + if (phydev->drv->config) + phydev->drv->config(phydev); + return 0; +} +#endif + +#ifdef CONFIG_FSL_QSPI +int board_qspi_init(void) +{ + /* Set the clock */ + set_clk_qspi(); + + return 0; +} +#endif + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +#ifdef CONFIG_FEC_MXC + setup_fec(); +#endif + +#ifdef CONFIG_NAND_MXS + setup_gpmi_nand(); +#endif + +#ifdef CONFIG_VIDEO_MXS + setup_lcd(); +#endif + +#ifdef CONFIG_FSL_QSPI + board_qspi_init(); +#endif + +#ifdef CONFIG_MXC_SPI + setup_spi(); +#endif + + return 0; +} + +#ifdef CONFIG_DM_PMIC +int power_init_board(void) +{ + struct udevice *dev; + int ret, dev_id, rev_id; + + ret = pmic_get("pfuze3000@8", &dev); + if (ret == -ENODEV) + return 0; + if (ret != 0) + return ret; + + dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID); + rev_id = pmic_reg_read(dev, PFUZE3000_REVID); + printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id); + + pmic_clrsetbits(dev, PFUZE3000_LDOGCTL, 0, 1); + + /* + * Set the voltage of VLDO4 output to 2.8V which feeds + * the MIPI DSI and MIPI CSI inputs. + */ + pmic_clrsetbits(dev, PFUZE3000_VLD4CTL, 0xF, 0xA); + + return 0; +} +#endif + +int board_late_init(void) +{ + struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR; + + imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); + + set_wdog_reset(wdog); + + /* + * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4), + * since we use PMIC_PWRON to reset the board. + */ + clrsetbits_le16(&wdog->wcr, 0, 0x10); + + return 0; +} + +int checkboard(void) +{ + char *mode; + + if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT)) + mode = "secure"; + else + mode = "non-secure"; + + printf("Board: i.MX7D SABRESD in %s mode\n", mode); + + return 0; +} |