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-rw-r--r--package/boot/uboot-mediatek/patches/005-update-bpir2-defconfig.patch7
-rw-r--r--package/boot/uboot-mediatek/patches/007-env-fat-use-bootdevice.patch88
2 files changed, 93 insertions, 2 deletions
diff --git a/package/boot/uboot-mediatek/patches/005-update-bpir2-defconfig.patch b/package/boot/uboot-mediatek/patches/005-update-bpir2-defconfig.patch
index 4ec0edeca5..104994bf63 100644
--- a/package/boot/uboot-mediatek/patches/005-update-bpir2-defconfig.patch
+++ b/package/boot/uboot-mediatek/patches/005-update-bpir2-defconfig.patch
@@ -2,13 +2,16 @@ diff --git a/configs/mt7623n_bpir2_defconfig b/configs/mt7623n_bpir2_defconfig
index 6b9fbd7e22..fb2a004803 100644
--- a/configs/mt7623n_bpir2_defconfig
+++ b/configs/mt7623n_bpir2_defconfig
-@@ -52,3 +52,9 @@ CONFIG_TIMER=y
+@@ -52,3 +52,12 @@ CONFIG_TIMER=y
CONFIG_WDT_MTK=y
CONFIG_LZMA=y
# CONFIG_EFI_LOADER is not set
+CONFIG_CMD_BOOTZ=y
+CONFIG_OF_LIBFDT_OVERLAY=y
+#enables savenenv-command
-+CONFIG_ENV_IS_IN_MMC=y
++CONFIG_ENV_IS_IN_FAT=y
++CONFIG_ENV_FAT_INTERFACE="mmc"
++CONFIG_ENV_FAT_DEVICE_AND_PART=":2"
++CONFIG_ENV_FAT_FILE="uboot.env"
+CONFIG_CMD_ASKENV=y
+CONFIG_ENV_SIZE=0x2000
diff --git a/package/boot/uboot-mediatek/patches/007-env-fat-use-bootdevice.patch b/package/boot/uboot-mediatek/patches/007-env-fat-use-bootdevice.patch
new file mode 100644
index 0000000000..20b6620d71
--- /dev/null
+++ b/package/boot/uboot-mediatek/patches/007-env-fat-use-bootdevice.patch
@@ -0,0 +1,88 @@
+From fb2810b2c7209d4ed690e48e5bffa52d1af2eda3 Mon Sep 17 00:00:00 2001
+From: David Woodhouse <dwmw2@infradead.org>
+Date: Fri, 19 Jun 2020 22:57:04 +0100
+Subject: [PATCH] env/fat.c: allow loading from a FAT partition on the MMC boot
+ device
+
+I don't want to have to specify the device; only the partition.
+
+Signed-off-by: David Woodhouse <dwmw2@infradead.org>
+---
+ env/Kconfig | 4 ++++
+ env/fat.c | 31 +++++++++++++++++++++++++++++--
+ 2 files changed, 33 insertions(+), 2 deletions(-)
+
+diff --git a/env/Kconfig b/env/Kconfig
+index 0d6f559b39..a2020a8661 100644
+--- a/env/Kconfig
++++ b/env/Kconfig
+@@ -432,6 +432,10 @@ config ENV_FAT_DEVICE_AND_PART
+ If none, first valid partition in device D. If no
+ partition table then means device D.
+
++ If ENV_FAT_INTERFACE is set to "mmc" then device 'D' can be omitted,
++ leaving the string starting with a colon, and the boot device will
++ be used.
++
+ config ENV_FAT_FILE
+ string "Name of the FAT file to use for the environment"
+ depends on ENV_IS_IN_FAT
+diff --git a/env/fat.c b/env/fat.c
+index 1836556f36..1c32d17bd5 100644
+--- a/env/fat.c
++++ b/env/fat.c
+@@ -31,6 +31,33 @@
+ # endif
+ #endif
+
++#if defined(CMD_SAVEENV) || defined(CMD_LOADENV)
++__weak int mmc_get_env_dev(void)
++{
++ return CONFIG_SYS_MMC_ENV_DEV;
++}
++
++static char *env_fat_device_and_part(void)
++{
++#ifdef CONFIG_MMC
++ static char *part_str;
++
++ if (!part_str) {
++ part_str = CONFIG_ENV_FAT_DEVICE_AND_PART;
++ if (!strcmp(CONFIG_ENV_FAT_INTERFACE, "mmc")
++ && part_str[0] == ':') {
++ part_str = "0" CONFIG_ENV_FAT_DEVICE_AND_PART;
++ part_str[0] += mmc_get_env_dev();
++ }
++ }
++
++ return part_str;
++#else
++ return CONFIG_ENV_FAT_DEVICE_AND_PART;
++#endif
++}
++#endif
++
+ #ifdef CMD_SAVEENV
+ static int env_fat_save(void)
+ {
+@@ -46,7 +73,7 @@ static int env_fat_save(void)
+ return err;
+
+ part = blk_get_device_part_str(CONFIG_ENV_FAT_INTERFACE,
+- CONFIG_ENV_FAT_DEVICE_AND_PART,
++ env_fat_device_and_part(),
+ &dev_desc, &info, 1);
+ if (part < 0)
+ return 1;
+@@ -93,7 +120,7 @@ static int env_fat_load(void)
+ #endif
+
+ part = blk_get_device_part_str(CONFIG_ENV_FAT_INTERFACE,
+- CONFIG_ENV_FAT_DEVICE_AND_PART,
++ env_fat_device_and_part(),
+ &dev_desc, &info, 1);
+ if (part < 0)
+ goto err_env_relocate;
+--
+2.26.2
+