Merge tag 'u-boot-stm32-20211213' of https://source.denx.de/u-boot/custodians/u-boot-stm

- enable KSZ90x1 PHY driver on DHCOR
- DHSOM boards:
  - increase USB power-good delay
  - add update_sf script to install U-Boot into SF
  - increase PHY auto-negotiation timeout to 20 seconds
  - fix SoM and board coding strap GPIO handling

# gpg verification failed.

include/configs/stm32mp15_common.h

@@ -142,6 +142,10 @@
 	"env_check=if env info -p -d -q; then env save; fi\0" \
 	"boot_net_usb_start=true\0"
 
+#ifndef STM32MP_BOARD_EXTRA_ENV
+#define STM32MP_BOARD_EXTRA_ENV
+#endif
+
 #include <config_distro_bootcmd.h>
 
 /*
@@ -169,7 +173,8 @@
 	STM32MP_BOOTCMD \
 	STM32MP_PARTS_DEFAULT \
 	BOOTENV \
-	STM32MP_EXTRA
+	STM32MP_EXTRA \
+	STM32MP_BOARD_EXTRA_ENV
 
 #endif /* ifndef CONFIG_SPL_BUILD */
 #endif /* ifdef CONFIG_DISTRO_DEFAULTS*/

include/configs/stm32mp15_dh_dhsom.h

@@ -8,6 +8,22 @@
 #ifndef __CONFIG_STM32MP15_DH_DHSOM_H__
 #define __CONFIG_STM32MP15_DH_DHSOM_H__
 
+/* PHY needs a longer autoneg timeout */
+#define PHY_ANEG_TIMEOUT		20000
+
+#define STM32MP_BOARD_EXTRA_ENV \
+	"usb_pgood_delay=1000\0" \
+	"update_sf=" /* Erase SPI NOR and install U-Boot from SD */	\
+		"setexpr loadaddr1 ${loadaddr} + 0x1000000 && "		\
+		"load mmc 0:4 ${loadaddr1} /boot/u-boot-spl.stm32 && "	\
+		"env set filesize1 ${filesize} && "			\
+		"load mmc 0:4 ${loadaddr} /boot/u-boot.itb && "		\
+		"sf probe && sf erase 0 0x200000 && "			\
+		"sf update ${loadaddr1} 0 ${filesize1} && "		\
+		"sf update ${loadaddr1} 0x40000 ${filesize1} && "	\
+		"sf update ${loadaddr} 0x80000 ${filesize} && "		\
+		"env set filesize1 && env set loadaddr1\0"
+
 #include <configs/stm32mp15_common.h>
 
 #define CONFIG_SPL_TARGET		"u-boot.itb"