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authorFrank Wunderlich <frank-w@public-files.de>2019-01-15 18:49:06 +0100
committerTom Rini <trini@konsulko.com>2019-01-18 09:26:04 -0500
commitf3af98eca5e2d02e7a428b40ff91b0e608d482e2 (patch)
treeb6f9f5a8f84515a7639e6a31762746468d81e3e1
parent5d94158aa9af94542a2bb35f6aaa8a2d786fc6c2 (diff)
adding saveenv-command for bananapi r2
bananapi r2 can be booted from sd-card and emmc saving the environment have to choose the storage from which the device has booted also the offset is set to 1MB to make sure env is written to block "user data area" between uboot and first partition https://www.fw-web.de/dokuwiki/lib/exe/fetch.php?cache=&media=bpi-r2:boot-structure.png Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
-rw-r--r--board/mediatek/mt7623/mt7623_rfb.c19
-rw-r--r--configs/mt7623n_bpir2_defconfig1
-rw-r--r--include/configs/mt7623.h3
3 files changed, 23 insertions, 0 deletions
diff --git a/board/mediatek/mt7623/mt7623_rfb.c b/board/mediatek/mt7623/mt7623_rfb.c
index 08468b50ea..4ec2764976 100644
--- a/board/mediatek/mt7623/mt7623_rfb.c
+++ b/board/mediatek/mt7623/mt7623_rfb.c
@@ -14,3 +14,22 @@ int board_init(void)
return 0;
}
+
+int mmc_get_boot_dev(void)
+{
+ int g_mmc_devid = -1;
+ char *uflag = (char *)0x81DFFFF0;
+ if (strncmp(uflag,"eMMC",4)==0) {
+ g_mmc_devid = 0;
+ printf("Boot From Emmc(id:%d)\n\n", g_mmc_devid);
+ } else {
+ g_mmc_devid = 1;
+ printf("Boot From SD(id:%d)\n\n", g_mmc_devid);
+ }
+ return g_mmc_devid;
+}
+
+int mmc_get_env_dev(void)
+{
+ return mmc_get_boot_dev();
+}
diff --git a/configs/mt7623n_bpir2_defconfig b/configs/mt7623n_bpir2_defconfig
index 8cb4907326..70fb5a15a2 100644
--- a/configs/mt7623n_bpir2_defconfig
+++ b/configs/mt7623n_bpir2_defconfig
@@ -29,6 +29,7 @@ CONFIG_CMD_FS_GENERIC=y
CONFIG_OF_SEPARATE=y
CONFIG_DEFAULT_DEVICE_TREE="mt7623n-bananapi-bpi-r2"
CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_ENV_IS_IN_MMC=y
CONFIG_REGMAP=y
CONFIG_SYSCON=y
# CONFIG_BLOCK_CACHE is not set
diff --git a/include/configs/mt7623.h b/include/configs/mt7623.h
index 5129c83da8..e449364ad4 100644
--- a/include/configs/mt7623.h
+++ b/include/configs/mt7623.h
@@ -58,4 +58,7 @@
#define CONFIG_IPADDR 192.168.1.1
#define CONFIG_SERVERIP 192.168.1.2
+#define CONFIG_SYS_MMC_ENV_DEV 0
+#define CONFIG_ENV_OFFSET 0x100000
+
#endif