1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2016 Amarula Solutions B.V.
4 * Copyright (C) 2016 Engicam S.r.l.
5 * Author: Jagan Teki <jagan@amarulasolutions.com>
13 #include <asm/arch/sys_proto.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 #ifdef CONFIG_ENV_IS_IN_MMC
21 static void mmc_late_init(void)
25 u32 dev_no = mmc_get_env_dev();
27 env_set_ulong("mmcdev", dev_no);
30 sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw", dev_no);
31 env_set("mmcroot", mmcblk);
33 sprintf(cmd, "mmc dev %d", dev_no);
51 static const char * const board_fdt_file[ENGICAM_BOARDS] = {
52 [IMX6Q_ICORE] = "imx6q-icore.dtb",
53 [IMX6DL_ICORE] = "imx6dl-icore.dtb",
54 [IMX6Q_ICORE_MIPI] = "imx6q-icore-mipi.dtb",
55 [IMX6DL_ICORE_MIPI] = "imx6dl-icore-mipi.dtb",
56 [IMX6Q_ICORE_RQS] = "imx6q-icore-rqs.dtb",
57 [IMX6DL_ICORE_RQS] = "imx6dl-icore-rqs.dtb",
58 [IMX6UL_GEAM] = "imx6ul-geam.dtb",
59 [IMX6UL_ISIOT_EMMC] = "imx6ul-isiot-emmc.dtb",
60 [IMX6UL_ISIOT_NAND] = "imx6ul-isiot-nand.dtb",
63 static int setenv_fdt_file(int board_detected)
65 if (board_detected < 0 || board_detected >= ENGICAM_BOARDS)
68 if (!board_fdt_file[board_detected])
71 env_set("fdt_file", board_fdt_file[board_detected]);
75 static enum engicam_boards engicam_board_detect(void)
77 const char *cmp_dtb = CONFIG_DEFAULT_DEVICE_TREE;
79 if (!strcmp(cmp_dtb, "imx6q-icore")) {
82 else if (is_mx6dl() || is_mx6solo())
84 } else if (!strcmp(cmp_dtb, "imx6q-icore-mipi")) {
86 return IMX6Q_ICORE_MIPI;
87 else if (is_mx6dl() || is_mx6solo())
88 return IMX6DL_ICORE_MIPI;
89 } else if (!strcmp(cmp_dtb, "imx6q-icore-rqs")) {
91 return IMX6Q_ICORE_RQS;
92 else if (is_mx6dl() || is_mx6solo())
93 return IMX6DL_ICORE_RQS;
94 } else if (!strcmp(cmp_dtb, "imx6ul-geam"))
96 else if (!strcmp(cmp_dtb, "imx6ul-isiot-emmc"))
97 return IMX6UL_ISIOT_EMMC;
98 else if (!strcmp(cmp_dtb, "imx6ul-isiot-nand"))
99 return IMX6UL_ISIOT_NAND;
104 int board_late_init(void)
106 enum engicam_boards board_detected = IMX6Q_ICORE;
108 switch ((imx6_src_get_boot_mode() & IMX6_BMODE_MASK) >>
113 case IMX6_BMODE_EMMC:
114 #ifdef CONFIG_ENV_IS_IN_MMC
117 env_set("modeboot", "mmcboot");
119 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
120 env_set("modeboot", "nandboot");
123 env_set("modeboot", "");
128 env_set("console", "ttymxc0");
130 env_set("console", "ttymxc3");
132 board_detected = engicam_board_detect();
133 if (board_detected < 0)
136 setenv_fdt_file(board_detected);
138 #ifdef CONFIG_HW_WATCHDOG
147 /* Address of boot parameters */
148 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
150 #ifdef CONFIG_NAND_MXS
154 #ifdef CONFIG_VIDEO_IPUV3
163 gd->ram_size = imx_ddr_size();