diff options
Diffstat (limited to 'arch/arm/boards/nxp-imx8mp-evk/board.c')
-rw-r--r-- | arch/arm/boards/nxp-imx8mp-evk/board.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/boards/nxp-imx8mp-evk/board.c b/arch/arm/boards/nxp-imx8mp-evk/board.c new file mode 100644 index 0000000000..2aa551e504 --- /dev/null +++ b/arch/arm/boards/nxp-imx8mp-evk/board.c @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 Oleksij Rempel, Pengutronix + */ + +#include <asm/memory.h> +#include <bootsource.h> +#include <common.h> +#include <deep-probe.h> +#include <init.h> +#include <linux/phy.h> +#include <linux/sizes.h> +#include <mach/imx/bbu.h> +#include <mach/imx/iomux-mx8mp.h> +#include <gpio.h> +#include <envfs.h> + +static int nxp_imx8mp_evk_probe(struct device *dev) +{ + int emmc_bbu_flag = 0; + int sd_bbu_flag = 0; + u32 val; + + if (bootsource_get() == BOOTSOURCE_MMC) { + if (bootsource_get_instance() == 2) { + of_device_enable_path("/chosen/environment-emmc"); + emmc_bbu_flag = BBU_HANDLER_FLAG_DEFAULT; + } else { + of_device_enable_path("/chosen/environment-sd"); + sd_bbu_flag = BBU_HANDLER_FLAG_DEFAULT; + } + } else { + of_device_enable_path("/chosen/environment-emmc"); + emmc_bbu_flag = BBU_HANDLER_FLAG_DEFAULT; + } + + imx8m_bbu_internal_mmc_register_handler("SD", "/dev/mmc1.barebox", sd_bbu_flag); + imx8m_bbu_internal_mmcboot_register_handler("eMMC", "/dev/mmc2", emmc_bbu_flag); + imx8m_bbu_internal_flexspi_nor_register_handler("QSPI", "/dev/m25p0.barebox", 0); + + /* Enable RGMII TX clk output */ + val = readl(MX8MP_IOMUXC_GPR_BASE_ADDR + MX8MP_IOMUXC_GPR1); + val |= MX8MP_IOMUXC_GPR1_ENET1_RGMII_EN; + writel(val, MX8MP_IOMUXC_GPR_BASE_ADDR + MX8MP_IOMUXC_GPR1); + + return 0; +} + +static const struct of_device_id nxp_imx8mp_evk_of_match[] = { + { .compatible = "fsl,imx8mp-evk" }, + { /* Sentinel */ } +}; +BAREBOX_DEEP_PROBE_ENABLE(nxp_imx8mp_evk_of_match); + +static struct driver nxp_imx8mp_evk_board_driver = { + .name = "board-nxp-imx8mp-evk", + .probe = nxp_imx8mp_evk_probe, + .of_compatible = nxp_imx8mp_evk_of_match, +}; +coredevice_platform_driver(nxp_imx8mp_evk_board_driver); |