rk3568 rt uboot init

hc

2023-11-06 9df731a176aab8e03b984b681b1bea01ccff6644

 u-boot/drivers/mtd/mtd_blk.c
..
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@@ -22,9 +22,6 @@
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 #endif
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 #define MTD_PART_NAND_HEAD		"mtdparts="
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-#define MTD_ROOT_PART_NUM		"ubi.mtd="
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-#define MTD_ROOT_PART_NAME_UBIFS	"root=ubi0:rootfs"
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-#define MTD_ROOT_PART_NAME_SQUASHFS	"root=/dev/ubiblock0_0"
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 #define MTD_PART_INFO_MAX_SIZE		512
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 #define MTD_SINGLE_PART_INFO_MAX_SIZE	40
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..
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@@ -371,20 +368,7 @@
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 	mtd = (struct mtd_info *)dev_desc->bdev->priv;
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 	if (!mtd)
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 		return NULL;
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-#ifndef CONFIG_SPL_BUILD
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-	char mtd_root_part_info[40] = {0};
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-	p = part_get_info_by_name(dev_desc, PART_SYSTEM, &info);
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-	if (p > 0) {
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-		if (strstr(env_get("bootargs"), "rootfstype=squashfs"))
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-			snprintf(mtd_root_part_info, ARRAY_SIZE(mtd_root_part_info), "%s%d %s",
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-				 MTD_ROOT_PART_NUM, p - 1, MTD_ROOT_PART_NAME_SQUASHFS);
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-		else
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-			snprintf(mtd_root_part_info, ARRAY_SIZE(mtd_root_part_info), "%s%d %s",
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-				 MTD_ROOT_PART_NUM, p - 1, MTD_ROOT_PART_NAME_UBIFS);
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-		env_update("bootargs", mtd_root_part_info);
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-	}
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-#endif
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 	mtd_part_info = (char *)calloc(MTD_PART_INFO_MAX_SIZE, sizeof(char));
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 	if (!mtd_part_info) {
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 		printf("%s: Fail to malloc!", __func__);