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board: engicam: Cleanup fdt file and board mapping

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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>
This commit is contained in:
Michael Trimarchi 2019-12-30 17:34:02 +05:30 • committed by Stefano Babic
parent abaf5c9804
commit 8811c4d046
1 changed files with 56 additions and 11 deletions
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67
board/engicam/common/board.c
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@ -35,35 +35,76 @@ static void mmc_late_init(void)
}
#endif
static void setenv_fdt_file(void)
enum engicam_boards {
IMX6Q_ICORE,
IMX6DL_ICORE,
IMX6Q_ICORE_MIPI,
IMX6DL_ICORE_MIPI,
IMX6Q_ICORE_RQS,
IMX6DL_ICORE_RQS,
IMX6UL_GEAM,
IMX6UL_ISIOT_EMMC,
IMX6UL_ISIOT_NAND,
ENGICAM_BOARDS,
};
static const char * const board_fdt_file[ENGICAM_BOARDS] = {
[IMX6Q_ICORE] = "imx6q-icore.dtb",
[IMX6DL_ICORE] = "imx6dl-icore.dtb",
[IMX6Q_ICORE_MIPI] = "imx6q-icore-mipi.dtb",
[IMX6DL_ICORE_MIPI] = "imx6dl-icore-mipi.dtb",
[IMX6Q_ICORE_RQS] = "imx6q-icore-rqs.dtb",
[IMX6DL_ICORE_RQS] = "imx6dl-icore-rqs.dtb",
[IMX6UL_GEAM] = "imx6ul-geam.dtb",
[IMX6UL_ISIOT_EMMC] = "imx6ul-isiot-emmc.dtb",
[IMX6UL_ISIOT_NAND] = "imx6ul-isiot-nand.dtb",
};
static int setenv_fdt_file(int board_detected)
{
if (board_detected < 0 || board_detected >= ENGICAM_BOARDS)
return -EINVAL;
if (!board_fdt_file[board_detected])
return -ENODEV;
env_set("fdt_file", board_fdt_file[board_detected]);
return 0;
}
static enum engicam_boards engicam_board_detect(void)
{
const char *cmp_dtb = CONFIG_DEFAULT_DEVICE_TREE;
if (!strcmp(cmp_dtb, "imx6q-icore")) {
if (is_mx6dq())
env_set("fdt_file", "imx6q-icore.dtb");
return IMX6Q_ICORE;
else if (is_mx6dl() || is_mx6solo())
env_set("fdt_file", "imx6dl-icore.dtb");
return IMX6DL_ICORE;
} else if (!strcmp(cmp_dtb, "imx6q-icore-mipi")) {
if (is_mx6dq())
env_set("fdt_file", "imx6q-icore-mipi.dtb");
return IMX6Q_ICORE_MIPI;
else if (is_mx6dl() || is_mx6solo())
env_set("fdt_file", "imx6dl-icore-mipi.dtb");
return IMX6DL_ICORE_MIPI;
} else if (!strcmp(cmp_dtb, "imx6q-icore-rqs")) {
if (is_mx6dq())
env_set("fdt_file", "imx6q-icore-rqs.dtb");
return IMX6Q_ICORE_RQS;
else if (is_mx6dl() || is_mx6solo())
env_set("fdt_file", "imx6dl-icore-rqs.dtb");
return IMX6DL_ICORE_RQS;
} else if (!strcmp(cmp_dtb, "imx6ul-geam"))
env_set("fdt_file", "imx6ul-geam.dtb");
return IMX6UL_GEAM;
else if (!strcmp(cmp_dtb, "imx6ul-isiot-emmc"))
env_set("fdt_file", "imx6ul-isiot-emmc.dtb");
return IMX6UL_ISIOT_EMMC;
else if (!strcmp(cmp_dtb, "imx6ul-isiot-nand"))
env_set("fdt_file", "imx6ul-isiot-nand.dtb");
return IMX6UL_ISIOT_NAND;
return -EINVAL;
}
int board_late_init(void)
{
enum engicam_boards board_detected = IMX6Q_ICORE;
switch ((imx6_src_get_boot_mode() & IMX6_BMODE_MASK) >>
IMX6_BMODE_SHIFT) {
case IMX6_BMODE_SD:
@ -88,7 +129,11 @@ int board_late_init(void)
else
env_set("console", "ttymxc3");
setenv_fdt_file();
board_detected = engicam_board_detect();
if (board_detected < 0)
hang();
setenv_fdt_file(board_detected);
#ifdef CONFIG_HW_WATCHDOG
hw_watchdog_init();