GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Amarula Solutions B.V.
+ * Copyright (C) 2016 Engicam S.r.l.
+ * Author: Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include <common.h>
+#include <command.h>
+#include <env.h>
+#include <init.h>
+#include <mmc.h>
+#include <asm/arch/sys_proto.h>
+#include <watchdog.h>
+
+#include "board.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_ENV_IS_IN_MMC
+static void mmc_late_init(void)
+{
+	char cmd[32];
+	char mmcblk[32];
+	u32 dev_no = mmc_get_env_dev();
+
+	env_set_ulong("mmcdev", dev_no);
+
+	/* Set mmcblk env */
+	sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw", dev_no);
+	env_set("mmcroot", mmcblk);
+
+	sprintf(cmd, "mmc dev %d", dev_no);
+	run_command(cmd, 0);
+}
+#endif
+
+static void setenv_fdt_file(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");
+		else if (is_mx6dl() || is_mx6solo())
+			env_set("fdt_file", "imx6dl-icore.dtb");
+	} else if (!strcmp(cmp_dtb, "imx6q-icore-mipi")) {
+		if (is_mx6dq())
+			env_set("fdt_file", "imx6q-icore-mipi.dtb");
+		else if (is_mx6dl() || is_mx6solo())
+			env_set("fdt_file", "imx6dl-icore-mipi.dtb");
+	} else if (!strcmp(cmp_dtb, "imx6q-icore-rqs")) {
+		if (is_mx6dq())
+			env_set("fdt_file", "imx6q-icore-rqs.dtb");
+		else if (is_mx6dl() || is_mx6solo())
+			env_set("fdt_file", "imx6dl-icore-rqs.dtb");
+	} else if (!strcmp(cmp_dtb, "imx6ul-geam"))
+		env_set("fdt_file", "imx6ul-geam.dtb");
+	else if (!strcmp(cmp_dtb, "imx6ul-isiot-emmc"))
+		env_set("fdt_file", "imx6ul-isiot-emmc.dtb");
+	else if (!strcmp(cmp_dtb, "imx6ul-isiot-nand"))
+		env_set("fdt_file", "imx6ul-isiot-nand.dtb");
+}
+
+int board_late_init(void)
+{
+	switch ((imx6_src_get_boot_mode() & IMX6_BMODE_MASK) >>
+			IMX6_BMODE_SHIFT) {
+	case IMX6_BMODE_SD:
+	case IMX6_BMODE_ESD:
+	case IMX6_BMODE_MMC:
+	case IMX6_BMODE_EMMC:
+#ifdef CONFIG_ENV_IS_IN_MMC
+		mmc_late_init();
+#endif
+		env_set("modeboot", "mmcboot");
+		break;
+	case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
+		env_set("modeboot", "nandboot");
+		break;
+	default:
+		env_set("modeboot", "");
+		break;
+	}
+
+	if (is_mx6ul())
+		env_set("console", "ttymxc0");
+	else
+		env_set("console", "ttymxc3");
+
+	setenv_fdt_file();
+
+#ifdef CONFIG_HW_WATCHDOG
+	hw_watchdog_init();
+#endif
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* Address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+#ifdef CONFIG_NAND_MXS
+	setup_gpmi_nand();
+#endif
+
+#ifdef CONFIG_VIDEO_IPUV3
+	setup_display();
+#endif
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = imx_ddr_size();
+
+	return 0;
+}