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https://github.com/openwrt/openwrt.git
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e64b92c63b
Set /chosen/rootdisk according to boot_mode register, similar to MT7986. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
103 lines
2.6 KiB
Diff
103 lines
2.6 KiB
Diff
--- a/board/mediatek/mt7981/mt7981_rfb.c
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+++ b/board/mediatek/mt7981/mt7981_rfb.c
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@@ -11,7 +11,9 @@
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#include <env.h>
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#include <init.h>
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#include <asm/global_data.h>
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+#include <asm/io.h>
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#include <linux/delay.h>
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+#include <linux/libfdt.h>
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#ifndef CONFIG_RESET_BUTTON_LABEL
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#define CONFIG_RESET_BUTTON_LABEL "reset"
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@@ -81,3 +83,54 @@ int board_nmbm_init(void)
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return 0;
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}
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+
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+#define MT7981_BOOT_NOR 0
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+#define MT7981_BOOT_SPIM_NAND 1 /* ToDo: fallback to SD */
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+#define MT7981_BOOT_EMMC 2
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+#define MT7981_BOOT_SNFI_NAND 3 /* ToDo (treated as SD) */
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+
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+int ft_system_setup(void *blob, struct bd_info *bd)
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+{
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+ const u32 *media_handle_p;
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+ int chosen, len, ret;
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+ const char *media;
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+ u32 media_handle;
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+
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+ switch ((readl(0x11d006f0) & 0xc0) >> 6) {
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+ case MT7981_BOOT_NOR:
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+ media = "rootdisk-nor";
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+ break
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+ ;;
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+ case MT7981_BOOT_SPIM_NAND:
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+ media = "rootdisk-spim-nand";
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+ break
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+ ;;
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+ case MT7981_BOOT_EMMC:
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+ media = "rootdisk-emmc";
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+ break
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+ ;;
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+ case MT7981_BOOT_SNFI_NAND:
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+ media = "rootdisk-sd";
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+ break
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+ ;;
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+ }
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+
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+ chosen = fdt_path_offset(blob, "/chosen");
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+ if (chosen <= 0)
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+ return 0;
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+
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+ media_handle_p = fdt_getprop(blob, chosen, media, &len);
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+ if (media_handle_p <= 0 || len != 4)
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+ return 0;
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+
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+ media_handle = *media_handle_p;
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+ ret = fdt_setprop(blob, chosen, "rootdisk", &media_handle, sizeof(media_handle));
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+ if (ret) {
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+ printf("cannot set media phandle %s as rootdisk /chosen node\n", media);
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+ return ret;
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+ }
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+
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+ printf("set /chosen/rootdisk to bootrom media: %s (phandle 0x%08x)\n", media, fdt32_to_cpu(media_handle));
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+
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+ return 0;
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+}
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--- a/configs/mt7981_emmc_rfb_defconfig
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+++ b/configs/mt7981_emmc_rfb_defconfig
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@@ -114,3 +114,4 @@ CONFIG_FAT_WRITE=y
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CONFIG_HEXDUMP=y
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# CONFIG_EFI_LOADER is not set
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CONFIG_LMB_MAX_REGIONS=64
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+CONFIG_OF_SYSTEM_SETUP=y
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--- a/configs/mt7981_nor_rfb_defconfig
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+++ b/configs/mt7981_nor_rfb_defconfig
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@@ -126,3 +126,4 @@ CONFIG_DM_SPI=y
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CONFIG_MTK_SPIM=y
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CONFIG_HEXDUMP=y
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CONFIG_LMB_MAX_REGIONS=64
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+CONFIG_OF_SYSTEM_SETUP=y
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--- a/configs/mt7981_rfb_defconfig
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+++ b/configs/mt7981_rfb_defconfig
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@@ -135,3 +135,4 @@ CONFIG_DM_SPI=y
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CONFIG_MTK_SPIM=y
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CONFIG_HEXDUMP=y
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CONFIG_LMB_MAX_REGIONS=64
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+CONFIG_OF_SYSTEM_SETUP=y
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--- a/configs/mt7981_sd_rfb_defconfig
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+++ b/configs/mt7981_sd_rfb_defconfig
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@@ -114,3 +114,4 @@ CONFIG_FAT_WRITE=y
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CONFIG_HEXDUMP=y
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# CONFIG_EFI_LOADER is not set
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CONFIG_LMB_MAX_REGIONS=64
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+CONFIG_OF_SYSTEM_SETUP=y
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--- a/configs/mt7981_snfi_nand_rfb_defconfig
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+++ b/configs/mt7981_snfi_nand_rfb_defconfig
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@@ -120,3 +120,4 @@ CONFIG_DM_SERIAL=y
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CONFIG_MTK_SERIAL=y
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CONFIG_HEXDUMP=y
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CONFIG_LMB_MAX_REGIONS=64
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+CONFIG_OF_SYSTEM_SETUP=y
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