diff options
Diffstat (limited to 'roms/u-boot/board/toradex/colibri-imx6ull/colibri-imx6ull.c')
| -rw-r--r-- | roms/u-boot/board/toradex/colibri-imx6ull/colibri-imx6ull.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/roms/u-boot/board/toradex/colibri-imx6ull/colibri-imx6ull.c b/roms/u-boot/board/toradex/colibri-imx6ull/colibri-imx6ull.c new file mode 100644 index 000000000..01f556159 --- /dev/null +++ b/roms/u-boot/board/toradex/colibri-imx6ull/colibri-imx6ull.c @@ -0,0 +1,215 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018-2019 Toradex AG + */ +#include <common.h> +#include <init.h> +#include <asm/global_data.h> +#include <linux/delay.h> + +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch-mx6/clock.h> +#include <asm/arch-mx6/imx-regs.h> +#include <asm/arch-mx6/mx6ull_pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/mach-imx/boot_mode.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/io.h> +#include <dm.h> +#include <dm/platform_data/serial_mxc.h> +#include <env.h> +#include <fdt_support.h> +#include <imx_thermal.h> +#include <jffs2/load_kernel.h> +#include <linux/sizes.h> +#include <miiphy.h> +#include <mtd_node.h> +#include <netdev.h> + +#include "../common/tdx-common.h" +#include "../common/tdx-cfg-block.h" + +DECLARE_GLOBAL_DATA_PTR; + +#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \ + PAD_CTL_DSE_48ohm) + +#define MX6_PAD_SNVS_PMIC_STBY_REQ_ADDR 0x2290040 + +#define NAND_PAD_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_SRE_SLOW | PAD_CTL_HYS) + +#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_PUS_22K_UP) + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); + + return 0; +} + +#ifdef CONFIG_NAND_MXS +static void setup_gpmi_nand(void) +{ + setup_gpmi_io_clk((3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) | + (3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET)); +} +#endif /* CONFIG_NAND_MXS */ + +#ifdef CONFIG_DM_VIDEO +static iomux_v3_cfg_t const backlight_pads[] = { + /* Backlight On */ + MX6_PAD_JTAG_TMS__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* Backlight PWM<A> (multiplexed pin) */ + MX6_PAD_NAND_WP_B__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +#define GPIO_BL_ON IMX_GPIO_NR(1, 11) +#define GPIO_PWM_A IMX_GPIO_NR(4, 11) + +static int setup_lcd(void) +{ + imx_iomux_v3_setup_multiple_pads(backlight_pads, ARRAY_SIZE(backlight_pads)); + + /* Set BL_ON */ + gpio_request(GPIO_BL_ON, "BL_ON"); + gpio_direction_output(GPIO_BL_ON, 1); + + /* Set PWM<A> to full brightness (assuming inversed polarity) */ + gpio_request(GPIO_PWM_A, "PWM<A>"); + gpio_direction_output(GPIO_PWM_A, 0); + + return 0; +} +#endif + +#ifdef CONFIG_FEC_MXC +static int setup_fec(void) +{ + struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + int ret; + + /* provide the PHY clock from the i.MX 6 */ + ret = enable_fec_anatop_clock(1, ENET_50MHZ); + if (ret) + return ret; + + /* Use 50M anatop REF_CLK and output it on ENET2_TX_CLK */ + clrsetbits_le32(&iomuxc_regs->gpr[1], + IOMUX_GPR1_FEC2_CLOCK_MUX2_SEL_MASK, + IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK); + + /* give new Ethernet PHY power save mode circuitry time to settle */ + mdelay(300); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + if (phydev->drv->config) + phydev->drv->config(phydev); + return 0; +} +#endif /* CONFIG_FEC_MXC */ + +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 + return 0; +} + +#ifdef CONFIG_CMD_BMODE +/* TODO */ +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"nand", MAKE_CFGVAL(0x40, 0x34, 0x00, 0x00)}, + {"sd1", MAKE_CFGVAL(0x10, 0x10, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +int board_late_init(void) +{ +#ifdef CONFIG_TDX_CFG_BLOCK + /* + * If we have a valid config block and it says we are a module with + * Wi-Fi/Bluetooth make sure we use the -wifi device tree. + */ + if (tdx_hw_tag.prodid == COLIBRI_IMX6ULL_WIFI_BT_IT || + tdx_hw_tag.prodid == COLIBRI_IMX6ULL_WIFI_BT) + env_set("variant", "-wifi"); +#endif + + /* + * Disable output driver of PAD CCM_PMIC_STBY_REQ. This prevents the + * SOC to request for a lower voltage during sleep. This is necessary + * because the voltage is changing too slow for the SOC to wake up + * properly. + */ + __raw_writel(0x8080, MX6_PAD_SNVS_PMIC_STBY_REQ_ADDR); + +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + +#ifdef CONFIG_CMD_USB_SDP + if (is_boot_from_usb()) { + printf("Serial Downloader recovery mode, using sdp command\n"); + env_set("bootdelay", "0"); + env_set("bootcmd", "sdp 0"); + } +#endif /* CONFIG_CMD_USB_SDP */ + +#if defined(CONFIG_DM_VIDEO) + setup_lcd(); +#endif + + return 0; +} + +int checkboard(void) +{ + printf("Model: Toradex Colibri iMX6ULL\n"); + + return 0; +} + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +int ft_board_setup(void *blob, struct bd_info *bd) +{ +#if defined(CONFIG_FDT_FIXUP_PARTITIONS) + static struct node_info nodes[] = { + { "fsl,imx6ull-gpmi-nand", MTD_DEV_TYPE_NAND, }, + { "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, }, + }; + + /* Update partition nodes using info from mtdparts env var */ + puts(" Updating MTD partitions...\n"); + fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); +#endif + + return ft_common_board_setup(blob, bd); +} +#endif + +static struct mxc_serial_plat mxc_serial_plat = { + .reg = (struct mxc_uart *)UART1_BASE, + .use_dte = 1, +}; + +U_BOOT_DRVINFO(mxc_serial) = { + .name = "serial_mxc", + .plat = &mxc_serial_plat, +}; |