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https://github.com/brain-hackers/u-boot-brain
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board: engicam: Cleanup fdt file and board mapping
Make easy to map fdt file to board in order to use this information later to apply specific change to specific board combination. Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
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8811c4d046
@ -35,35 +35,76 @@ static void mmc_late_init(void)
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}
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}
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#endif
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#endif
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static void setenv_fdt_file(void)
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enum engicam_boards {
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IMX6Q_ICORE,
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IMX6DL_ICORE,
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IMX6Q_ICORE_MIPI,
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IMX6DL_ICORE_MIPI,
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IMX6Q_ICORE_RQS,
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IMX6DL_ICORE_RQS,
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IMX6UL_GEAM,
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IMX6UL_ISIOT_EMMC,
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IMX6UL_ISIOT_NAND,
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ENGICAM_BOARDS,
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};
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static const char * const board_fdt_file[ENGICAM_BOARDS] = {
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[IMX6Q_ICORE] = "imx6q-icore.dtb",
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[IMX6DL_ICORE] = "imx6dl-icore.dtb",
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[IMX6Q_ICORE_MIPI] = "imx6q-icore-mipi.dtb",
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[IMX6DL_ICORE_MIPI] = "imx6dl-icore-mipi.dtb",
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[IMX6Q_ICORE_RQS] = "imx6q-icore-rqs.dtb",
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[IMX6DL_ICORE_RQS] = "imx6dl-icore-rqs.dtb",
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[IMX6UL_GEAM] = "imx6ul-geam.dtb",
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[IMX6UL_ISIOT_EMMC] = "imx6ul-isiot-emmc.dtb",
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[IMX6UL_ISIOT_NAND] = "imx6ul-isiot-nand.dtb",
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};
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static int setenv_fdt_file(int board_detected)
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{
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if (board_detected < 0 || board_detected >= ENGICAM_BOARDS)
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return -EINVAL;
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if (!board_fdt_file[board_detected])
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return -ENODEV;
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env_set("fdt_file", board_fdt_file[board_detected]);
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return 0;
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}
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static enum engicam_boards engicam_board_detect(void)
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{
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{
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const char *cmp_dtb = CONFIG_DEFAULT_DEVICE_TREE;
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const char *cmp_dtb = CONFIG_DEFAULT_DEVICE_TREE;
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if (!strcmp(cmp_dtb, "imx6q-icore")) {
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if (!strcmp(cmp_dtb, "imx6q-icore")) {
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if (is_mx6dq())
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if (is_mx6dq())
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env_set("fdt_file", "imx6q-icore.dtb");
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return IMX6Q_ICORE;
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else if (is_mx6dl() || is_mx6solo())
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else if (is_mx6dl() || is_mx6solo())
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env_set("fdt_file", "imx6dl-icore.dtb");
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return IMX6DL_ICORE;
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} else if (!strcmp(cmp_dtb, "imx6q-icore-mipi")) {
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} else if (!strcmp(cmp_dtb, "imx6q-icore-mipi")) {
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if (is_mx6dq())
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if (is_mx6dq())
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env_set("fdt_file", "imx6q-icore-mipi.dtb");
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return IMX6Q_ICORE_MIPI;
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else if (is_mx6dl() || is_mx6solo())
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else if (is_mx6dl() || is_mx6solo())
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env_set("fdt_file", "imx6dl-icore-mipi.dtb");
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return IMX6DL_ICORE_MIPI;
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} else if (!strcmp(cmp_dtb, "imx6q-icore-rqs")) {
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} else if (!strcmp(cmp_dtb, "imx6q-icore-rqs")) {
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if (is_mx6dq())
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if (is_mx6dq())
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env_set("fdt_file", "imx6q-icore-rqs.dtb");
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return IMX6Q_ICORE_RQS;
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else if (is_mx6dl() || is_mx6solo())
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else if (is_mx6dl() || is_mx6solo())
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env_set("fdt_file", "imx6dl-icore-rqs.dtb");
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return IMX6DL_ICORE_RQS;
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} else if (!strcmp(cmp_dtb, "imx6ul-geam"))
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} else if (!strcmp(cmp_dtb, "imx6ul-geam"))
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env_set("fdt_file", "imx6ul-geam.dtb");
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return IMX6UL_GEAM;
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else if (!strcmp(cmp_dtb, "imx6ul-isiot-emmc"))
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else if (!strcmp(cmp_dtb, "imx6ul-isiot-emmc"))
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env_set("fdt_file", "imx6ul-isiot-emmc.dtb");
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return IMX6UL_ISIOT_EMMC;
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else if (!strcmp(cmp_dtb, "imx6ul-isiot-nand"))
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else if (!strcmp(cmp_dtb, "imx6ul-isiot-nand"))
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env_set("fdt_file", "imx6ul-isiot-nand.dtb");
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return IMX6UL_ISIOT_NAND;
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return -EINVAL;
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}
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}
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int board_late_init(void)
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int board_late_init(void)
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{
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{
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enum engicam_boards board_detected = IMX6Q_ICORE;
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switch ((imx6_src_get_boot_mode() & IMX6_BMODE_MASK) >>
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switch ((imx6_src_get_boot_mode() & IMX6_BMODE_MASK) >>
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IMX6_BMODE_SHIFT) {
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IMX6_BMODE_SHIFT) {
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case IMX6_BMODE_SD:
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case IMX6_BMODE_SD:
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@ -88,7 +129,11 @@ int board_late_init(void)
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else
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else
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env_set("console", "ttymxc3");
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env_set("console", "ttymxc3");
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setenv_fdt_file();
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board_detected = engicam_board_detect();
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if (board_detected < 0)
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hang();
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setenv_fdt_file(board_detected);
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#ifdef CONFIG_HW_WATCHDOG
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#ifdef CONFIG_HW_WATCHDOG
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hw_watchdog_init();
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hw_watchdog_init();
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