- 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
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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.

arch/arm/dts/stm32mp15xx-dhcor-avenger96-u-boot.dtsi

@@ -19,6 +19,17 @@
 	};
 };
 
+
+&ethernet0 {
+	mdio0 {
+		ethernet-phy@7 {
+			reset-gpios = <&gpioz 2 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <11000>;
+			reset-deassert-us = <1000>;
+		};
+	};
+};
+
 &sdmmc1 {
 	u-boot,dm-spl;
 };

board/dhelectronics/dh_stm32mp1/board.c

@@ -212,34 +212,40 @@ static void board_get_coding_straps(void)
 	ofnode node;
 	int i, ret;
 
+	brdcode = 0;
+	ddr3code = 0;
+	somcode = 0;
+
 	node = ofnode_path("/config");
 	if (!ofnode_valid(node)) {
 		printf("%s: no /config node?\n", __func__);
 		return;
 	}
 
-	brdcode = 0;
-	ddr3code = 0;
-	somcode = 0;
-
 	ret = gpio_request_list_by_name_nodev(node, "dh,som-coding-gpios",
 					      gpio, ARRAY_SIZE(gpio),
 					      GPIOD_IS_IN);
 	for (i = 0; i < ret; i++)
 		somcode |= !!dm_gpio_get_value(&(gpio[i])) << i;
 
+	gpio_free_list_nodev(gpio, ret);
+
 	ret = gpio_request_list_by_name_nodev(node, "dh,ddr3-coding-gpios",
 					      gpio, ARRAY_SIZE(gpio),
 					      GPIOD_IS_IN);
 	for (i = 0; i < ret; i++)
 		ddr3code |= !!dm_gpio_get_value(&(gpio[i])) << i;
 
+	gpio_free_list_nodev(gpio, ret);
+
 	ret = gpio_request_list_by_name_nodev(node, "dh,board-coding-gpios",
 					      gpio, ARRAY_SIZE(gpio),
 					      GPIOD_IS_IN);
 	for (i = 0; i < ret; i++)
 		brdcode |= !!dm_gpio_get_value(&(gpio[i])) << i;
 
+	gpio_free_list_nodev(gpio, ret);
+
 	printf("Code:  SoM:rev=%d,ddr3=%d Board:rev=%d\n",
 		somcode, ddr3code, brdcode);
 }

configs/stm32mp15_dhcor_basic_defconfig

@@ -108,6 +108,8 @@ CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SPI_FLASH_MTD=y
+CONFIG_PHY_MICREL=y
+CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_DM_ETH=y
 CONFIG_DWC_ETH_QOS=y
 CONFIG_PHY=y

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"