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
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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

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>;

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>;

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";
 };
 

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.

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;

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 arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
-					   unsigned long raw_sect)
+						unsigned long raw_sect)
 {
 	int end;
 

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;
+	int i, boot_secondary = 0;
-
-	part = default_spl_mmc_emmc_boot_partition(mmc);
 
 	/* 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:
-			/*
+			boot_secondary = 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;
 			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)

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 arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
-					   unsigned long raw_sect)
+						unsigned long raw_sect)
 {
 	return IS_SD(mmc) ? 1 : 0;
 }

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 board_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
-					   unsigned long raw_sect)
+						 unsigned long raw_sect)
 {
 	unsigned long spl_size = sunxi_get_spl_size();
 	unsigned long sector;

board/advantech/imx8mp_rsb3720a1/imx8mp_rsb3720a1.c

@@ -193,7 +193,7 @@ int board_late_init(void)
 
 #ifdef CONFIG_SPL_MMC
 #define UBOOT_RAW_SECTOR_OFFSET 0x40
-unsigned long spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
+unsigned long board_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
 					   unsigned long raw_sector)
 {
 	u32 boot_dev = spl_boot_device();

board/data_modul/imx8mp_edm_sbc/spl.c

@@ -107,7 +107,7 @@ void board_boot_order(u32 *spl_boot_list)
 	spl_boot_list[4] = BOOT_DEVICE_NONE;
 }
 
-unsigned long spl_mmc_get_uboot_raw_sector(struct mmc *mmc, unsigned long sect)
+unsigned long board_spl_mmc_get_uboot_raw_sector(struct mmc *mmc, unsigned long sect)
 {
 	const u32 boot_dev = spl_boot_device();
 	int part;

board/gateworks/venice/spl.c

@@ -346,7 +346,7 @@ int spl_board_boot_device(enum boot_device boot_dev_spl)
 	}
 }
 
-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)
 {
 	if (!IS_SD(mmc)) {
 		switch (EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config)) {

common/spl/spl_mmc.c

@@ -365,10 +365,22 @@ int __weak spl_mmc_boot_partition(const u32 boot_device)
 }
 #endif
 
+unsigned long __weak arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
+						       unsigned long raw_sect)
+{
+	return raw_sect;
+}
+
+unsigned long __weak board_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
+						  unsigned long raw_sect)
+{
+	return arch_spl_mmc_get_uboot_raw_sector(mmc, raw_sect);
+}
+
 unsigned long __weak spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
 						  unsigned long raw_sect)
 {
-	return raw_sect;
+	return board_spl_mmc_get_uboot_raw_sector(mmc, raw_sect);
 }
 
 int default_spl_mmc_emmc_boot_partition(struct mmc *mmc)

configs/imx93_11x11_evk_defconfig

@@ -81,6 +81,7 @@ CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_SPL_DM=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
+CONFIG_ADC=y
 CONFIG_ADC_IMX93=y
 CONFIG_SPL_CLK_IMX93=y
 CONFIG_CLK_IMX93=y

drivers/adc/Kconfig

@@ -66,6 +66,7 @@ config STM32_ADC
 
 config ADC_IMX93
 	bool "Enable NXP IMX93 ADC driver"
+	depends on ADC
 	help
 	  This enables basic driver for NXP IMX93 ADC.
 	  It provides:

drivers/misc/i2c_eeprom.c

@@ -227,6 +227,13 @@ static const struct i2c_eeprom_drv_data atmel24c32_data = {
 	.offset_len = 2,
 };
 
+static const struct i2c_eeprom_drv_data atmel24c32d_wlp_data = {
+	.size = 32,
+	.pagesize = 32,
+	.addr_offset_mask = 0,
+	.offset_len = 2,
+};
+
 static const struct i2c_eeprom_drv_data atmel24c64_data = {
 	.size = 8192,
 	.pagesize = 32,
@@ -266,6 +273,7 @@ static const struct udevice_id i2c_eeprom_std_ids[] = {
 	{ .compatible = "atmel,24c16a", (ulong)&atmel24c16a_data },
 	{ .compatible = "atmel,24mac402", (ulong)&atmel24mac402_data },
 	{ .compatible = "atmel,24c32", (ulong)&atmel24c32_data },
+	{ .compatible = "atmel,24c32d-wl", (ulong)&atmel24c32d_wlp_data },
 	{ .compatible = "atmel,24c64", (ulong)&atmel24c64_data },
 	{ .compatible = "atmel,24c128", (ulong)&atmel24c128_data },
 	{ .compatible = "atmel,24c256", (ulong)&atmel24c256_data },

include/spl.h

@@ -496,6 +496,32 @@ int spl_mmc_emmc_boot_partition(struct mmc *mmc);
 
 void spl_set_bd(void);
 
+/**
+ * spl_mmc_get_uboot_raw_sector() - Provide raw sector of the start of U-Boot (architecture override)
+ *
+ * This is a weak function which by default will provide the raw sector that is
+ * where the start of the U-Boot image has been written to.
+ *
+ * @mmc: struct mmc that describes the devie where U-Boot resides
+ * @raw_sect: The raw sector number where U-Boot is by default.
+ * Return: The raw sector location that U-Boot resides at
+ */
+unsigned long arch_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
+						unsigned long raw_sect);
+
+/**
+ * spl_mmc_get_uboot_raw_sector() - Provide raw sector of the start of U-Boot (board override)
+ *
+ * This is a weak function which by default will provide the raw sector that is
+ * where the start of the U-Boot image has been written to.
+ *
+ * @mmc: struct mmc that describes the devie where U-Boot resides
+ * @raw_sect: The raw sector number where U-Boot is by default.
+ * Return: The raw sector location that U-Boot resides at
+ */
+unsigned long board_spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
+						 unsigned long raw_sect);
+
 /**
  * spl_mmc_get_uboot_raw_sector() - Provide raw sector of the start of U-Boot
  *