diff options
Diffstat (limited to 'roms/u-boot/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c')
-rw-r--r-- | roms/u-boot/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/roms/u-boot/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c b/roms/u-boot/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c new file mode 100644 index 000000000..edb200e9e --- /dev/null +++ b/roms/u-boot/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright (C) 2021 Oleh Kravchenko <oleg@kaa.org.ua> + +#include <asm/arch-mx6/clock.h> +#include <asm/arch/sys_proto.h> +#include <asm/global_data.h> +#include <asm/mach-imx/boot_mode.h> +#include <common.h> +#include <env.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +int board_early_init_f(void) +{ + return 0; +} + +static int setup_fec_clock(void) +{ + if (IS_ENABLED(CONFIG_FEC_MXC) && !IS_ENABLED(CONFIG_CLK_IMX6Q)) { + struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + int ret; + + /* + * Use 50M anatop loopback REF_CLK1 for ENET1, + * clear gpr1[13], set gpr1[17]. + */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, + IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK); + + ret = enable_fec_anatop_clock(0, ENET_50MHZ); + if (ret) + return ret; + + if (!IS_ENABLED(CONFIG_EV_IMX280_NANO_X_MB)) { + /* + * Use 50M anatop loopback REF_CLK2 for ENET2, + * clear gpr1[14], set gpr1[18]. + */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, + IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK); + + ret = enable_fec_anatop_clock(1, ENET_50MHZ); + if (ret) + return ret; + } + + enable_enet_clk(1); + } + + return 0; +} + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return setup_fec_clock(); +} + +int board_late_init(void) +{ + if (IS_ENABLED(CONFIG_CMD_BMODE)) + add_board_boot_modes(NULL); + + if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) { + const char *model; + + model = fdt_getprop(gd->fdt_blob, 0, "model", NULL); + if (model) + env_set("board_name", model); + } + + if (is_boot_from_usb()) { + env_set("bootcmd", "run bootcmd_mfg"); + env_set("bootdelay", "0"); + } + + return 0; +} |