Merge tag 'u-boot-imx-20231024' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

u-boot-imx-20231024
-------------------

CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/18211

- Fixes for MC2432 Eeprom
- i.MX93 ADC
- Secondary boot mode on i.MX8M

9 files changed, 132 insertions, 25 deletions

diff --git a/arch/arm/dts/imx8mp-dhcom-som-overlay-rev100.dts b/arch/arm/dts/imx8mp-dhcom-som-overlay-rev100.dts
index 5d9a00c9429..0e5d329b149 100644
--- a/arch/arm/dts/imx8mp-dhcom-som-overlay-rev100.dts
+++ b/arch/arm/dts/imx8mp-dhcom-som-overlay-rev100.dts
@@ -24,6 +24,14 @@
 	pagesize = <16>;
 };
 
+&eeprom0wl {
+	status = "disabled";
+};
+
+&eeprom1wl {
+	status = "disabled";
+};
+
 &ethphy0f { /* SMSC LAN8740Ai */
 	pinctrl-0 = <&pinctrl_ethphy0 &pinctrl_ioexp>;
 	reset-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
diff --git a/arch/arm/dts/imx8mp-dhcom-som.dtsi b/arch/arm/dts/imx8mp-dhcom-som.dtsi
index ea2a567447a..b504d36818b 100644
--- a/arch/arm/dts/imx8mp-dhcom-som.dtsi
+++ b/arch/arm/dts/imx8mp-dhcom-som.dtsi
@@ -392,6 +392,18 @@
 		reg = <0x53>;
 	};
 
+	eeprom0wl: eeprom@58 {
+		compatible = "atmel,24c32d-wl";	/* M24C32-D WL page of 0x50 */
+		pagesize = <32>;
+		reg = <0x58>;
+	};
+
+	eeprom1wl: eeprom@5b {
+		compatible = "atmel,24c32d-wl";	/* M24C32-D WL page of 0x53 */
+		pagesize = <32>;
+		reg = <0x5b>;
+	};
+
 	ioexp: gpio@74 {
 		compatible = "nxp,pca9539";
 		reg = <0x74>;
diff --git a/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi b/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi
index 93b4d91e4c3..a9dffa5a71e 100644
--- a/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi
+++ b/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi
@@ -8,6 +8,7 @@
 		compatible = "wdt-reboot";
 		wdt = <&wdog3>;
 		bootph-pre-ram;
+		bootph-some-ram;
 	};
 
 	firmware {
@@ -30,19 +31,23 @@
 
 &aips2 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &aips3 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &iomuxc {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &reg_usdhc2_vmmc {
 	u-boot,off-on-delay-us = <20000>;
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &pinctrl_reg_usdhc2_vmmc {
@@ -51,59 +56,73 @@
 
 &pinctrl_uart1 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &pinctrl_usdhc2_gpio {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &pinctrl_usdhc2 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &gpio1 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &gpio2 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &gpio3 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &gpio4 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &lpuart1 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &usdhc1 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &usdhc2 {
 	bootph-pre-ram;
+	bootph-some-ram;
 	fsl,signal-voltage-switch-extra-delay-ms = <8>;
 };
 
 &lpi2c2 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &{/soc@0/bus@44000000/i2c@44350000/pmic@25} {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &{/soc@0/bus@44000000/i2c@44350000/pmic@25/regulators} {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &pinctrl_lpi2c2 {
 	bootph-pre-ram;
+	bootph-some-ram;
 };
 
 &fec {
@@ -124,6 +143,7 @@
 
 &s4muap {
 	bootph-pre-ram;
+	bootph-some-ram;
 	status = "okay";
 };
 
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 08ab7069187..abd48d42583 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -71,7 +71,7 @@ config CSF_SIZE
 config CMD_BMODE
 	bool "Support the 'bmode' command"
 	default y
-	depends on ARCH_MX7 || ARCH_MX6 || ARCH_MX5
+	depends on ARCH_IMX8M || ARCH_MX7 || ARCH_MX6 || ARCH_MX5
 	help
 	  This enables the 'bmode' (bootmode) command for forcing
 	  a boot from specific media.
diff --git a/arch/arm/mach-imx/cmd_bmode.c b/arch/arm/mach-imx/cmd_bmode.c
index cb317499d54..5b2f4686230 100644
--- a/arch/arm/mach-imx/cmd_bmode.c
+++ b/arch/arm/mach-imx/cmd_bmode.c
@@ -83,7 +83,11 @@ static int do_boot_mode(struct cmd_tbl *cmdtp, int flag, int argc,
 		reset_requested = 0;
 	}
 
+/* No longer applicable to i.MX8M */
+#if IS_ENABLED(CONFIG_MX53) || IS_ENABLED(CONFIG_MX6) || IS_ENABLED(CONFIG_MX7)
 	boot_mode_apply(p->cfg_val);
+#endif
+
 	if (reset_requested && p->cfg_val)
 		do_reset(NULL, 0, 0, NULL);
 	return 0;
diff --git a/arch/arm/mach-imx/image-container.c b/arch/arm/mach-imx/image-container.c
index ebc8021d7cc..c9455fe222a 100644
--- a/arch/arm/mach-imx/image-container.c
+++ b/arch/arm/mach-imx/image-container.c
@@ -276,8 +276,8 @@ unsigned long spl_spi_get_uboot_offs(struct spi_flash *flash)
 #endif
 
 #ifdef CONFIG_SPL_MMC
-unsigned long spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
-					   unsigned long raw_sect)
+unsigned long arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
+						unsigned long raw_sect)
 {
 	int end;
 
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 5de4d11a761..39802d6a796 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -28,8 +28,10 @@
 #include <errno.h>
 #include <fdt_support.h>
 #include <fsl_wdog.h>
+#include <fuse.h>
 #include <imx_sip.h>
 #include <linux/bitops.h>
+#include <linux/bitfield.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -648,19 +650,17 @@ struct rom_api *g_rom_api = (struct rom_api *)0x980;
 
 #if defined(CONFIG_IMX8M)
 #include <spl.h>
-int spl_mmc_emmc_boot_partition(struct mmc *mmc)
+int imx8m_detect_secondary_image_boot(void)
 {
 	u32 *rom_log_addr = (u32 *)0x9e0;
 	u32 *rom_log;
 	u8 event_id;
-	int i, part;
-
-	part = default_spl_mmc_emmc_boot_partition(mmc);
+	int i, boot_secondary = 0;
 
 	/* If the ROM event log pointer is not valid. */
 	if (*rom_log_addr < 0x900000 || *rom_log_addr >= 0xb00000 ||
 	    *rom_log_addr & 0x3)
-		return part;
+		return -EINVAL;
 
 	/* Parse the ROM event ID version 2 log */
 	rom_log = (u32 *)(uintptr_t)(*rom_log_addr);
@@ -668,7 +668,7 @@ int spl_mmc_emmc_boot_partition(struct mmc *mmc)
 		event_id = rom_log[i] >> 24;
 		switch (event_id) {
 		case 0x00: /* End of list */
-			return part;
+			return boot_secondary;
 		/* Log entries with 1 parameter, skip 1 */
 		case 0x80: /* Start to perform the device initialization */
 		case 0x81: /* The boot device initialization completes */
@@ -686,26 +686,89 @@ int spl_mmc_emmc_boot_partition(struct mmc *mmc)
 			continue;
 		/* Boot from the secondary boot image */
 		case 0x51:
-			/*
-			 * Swap the eMMC boot partitions in case there was a
-			 * fallback event (i.e. primary image was corrupted
-			 * and that corruption was recognized by the BootROM),
-			 * so the SPL loads the rest of the U-Boot from the
-			 * correct eMMC boot partition, since the BootROM
-			 * leaves the boot partition set to the corrupted one.
-			 */
-			if (part == 1)
-				part = 2;
-			else if (part == 2)
-				part = 1;
+			boot_secondary = 1;
 			continue;
 		default:
 			continue;
 		}
 	}
 
+	return boot_secondary;
+}
+
+int spl_mmc_emmc_boot_partition(struct mmc *mmc)
+{
+	int part, ret;
+
+	part = default_spl_mmc_emmc_boot_partition(mmc);
+	if (part == 0)
+		return part;
+
+	ret = imx8m_detect_secondary_image_boot();
+	if (ret < 0) {
+		printf("Could not get boot partition! Using %d\n", part);
+		return part;
+	}
+
+	if (ret == 1) {
+		/*
+		 * Swap the eMMC boot partitions in case there was a
+		 * fallback event (i.e. primary image was corrupted
+		 * and that corruption was recognized by the BootROM),
+		 * so the SPL loads the rest of the U-Boot from the
+		 * correct eMMC boot partition, since the BootROM
+		 * leaves the boot partition set to the corrupted one.
+		 */
+		if (part == 1)
+			part = 2;
+		else if (part == 2)
+			part = 1;
+	}
+
 	return part;
 }
+
+int boot_mode_getprisec(void)
+{
+	return !!imx8m_detect_secondary_image_boot();
+}
+#endif
+
+#if defined(CONFIG_IMX8MN) || defined(CONFIG_IMX8MP)
+#define IMG_CNTN_SET1_OFFSET	GENMASK(22, 19)
+unsigned long arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
+						unsigned long raw_sect)
+{
+	u32 val, offset;
+
+	if (fuse_read(2, 1, &val)) {
+		debug("Error reading fuse!\n");
+		return raw_sect;
+	}
+
+	val = FIELD_GET(IMG_CNTN_SET1_OFFSET, val);
+	if (val > 10) {
+		debug("Secondary image boot disabled!\n");
+		return raw_sect;
+	}
+
+	if (val == 0)
+		offset = SZ_4M;
+	else if (val == 1)
+		offset = SZ_2M;
+	else if (val == 2)
+		offset = SZ_1M;
+	else	/* flash.bin offset = 1 MiB * 2^n */
+		offset = SZ_1M << val;
+
+	offset /= 512;
+	offset -= CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET;
+
+	if (imx8m_detect_secondary_image_boot())
+		raw_sect += offset;
+
+	return raw_sect;
+}
 #endif
 
 bool is_usb_boot(void)
diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c
index 379daa88a4d..eaaa68a8564 100644
--- a/arch/arm/mach-mvebu/spl.c
+++ b/arch/arm/mach-mvebu/spl.c
@@ -123,8 +123,8 @@ u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device)
 {
 	return IS_SD(mmc) ? MMCSD_MODE_RAW : MMCSD_MODE_EMMCBOOT;
 }
-unsigned long spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
-					   unsigned long raw_sect)
+unsigned long arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
+						unsigned long raw_sect)
 {
 	return IS_SD(mmc) ? 1 : 0;
 }
diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c
index c2fadf75367..11a49418225 100644
--- a/arch/arm/mach-sunxi/board.c
+++ b/arch/arm/mach-sunxi/board.c
@@ -338,8 +338,8 @@ uint32_t sunxi_get_spl_size(void)
  * Also U-Boot proper is located at least 32KB after the SPL, but will
  * immediately follow the SPL if that is bigger than that.
  */
-unsigned long spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
-					   unsigned long raw_sect)
+unsigned long board_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
+						 unsigned long raw_sect)
 {
 	unsigned long spl_size = sunxi_get_spl_size();
 	unsigned long sector;