Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

6 files changed, 1444 insertions, 0 deletions

diff --git a/roms/u-boot/board/ti/common/Kconfig b/roms/u-boot/board/ti/common/Kconfig
new file mode 100644
index 000000000..49edd9801
--- /dev/null
+++ b/roms/u-boot/board/ti/common/Kconfig
@@ -0,0 +1,51 @@
+config TI_I2C_BOARD_DETECT
+	bool "Support for Board detection for TI platforms"
+	help
+	   Support for detection board information on Texas Instrument's
+	   Evaluation Boards which have I2C based EEPROM detection
+
+config EEPROM_BUS_ADDRESS
+	int "Board EEPROM's I2C bus address"
+	range 0 8
+	default 0
+	depends on TI_I2C_BOARD_DETECT
+
+config EEPROM_CHIP_ADDRESS
+	hex "Board EEPROM's I2C chip address"
+	range 0 0xff
+	default 0x50
+	depends on TI_I2C_BOARD_DETECT
+
+config CAPE_EEPROM_BUS_NUM
+	int "Cape EEPROM's I2C bus address"
+	range 0 8
+	default 2
+	depends on CMD_EXTENSION
+
+config TI_COMMON_CMD_OPTIONS
+	bool "Enable cmd options on TI platforms"
+	imply CMD_ASKENV
+	imply CMD_BOOTZ
+	imply CRC32_VERIFY if ARCH_KEYSTONE
+	imply CMD_DFU if USB_GADGET_DOWNLOAD
+	imply CMD_DHCP
+	imply CMD_EEPROM
+	imply CMD_EXT2
+	imply CMD_EXT4
+	imply CMD_EXT4_WRITE
+	imply CMD_FAT
+	imply FAT_WRITE if CMD_FAT
+	imply CMD_FS_GENERIC
+	imply CMD_GPIO
+	imply CMD_GPT
+	imply CMD_I2C
+	imply CMD_MII
+	imply CMD_MMC
+	imply CMD_PART
+	imply CMD_PING
+	imply CMD_PMIC if DM_PMIC
+	imply CMD_REGULATOR if DM_REGULATOR
+	imply CMD_SF if SPI_FLASH
+	imply CMD_SPI
+	imply CMD_TIME
+	imply CMD_USB if USB
diff --git a/roms/u-boot/board/ti/common/Makefile b/roms/u-boot/board/ti/common/Makefile
new file mode 100644
index 000000000..3172d87b4
--- /dev/null
+++ b/roms/u-boot/board/ti/common/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com/
+
+obj-${CONFIG_TI_I2C_BOARD_DETECT} += board_detect.o
+obj-${CONFIG_CMD_EXTENSION} += cape_detect.o
diff --git a/roms/u-boot/board/ti/common/board_detect.c b/roms/u-boot/board/ti/common/board_detect.c
new file mode 100644
index 000000000..de92eb098
--- /dev/null
+++ b/roms/u-boot/board/ti/common/board_detect.c
@@ -0,0 +1,793 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Library to support early TI EVM EEPROM handling
+ *
+ * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla
+ *	Steve Kipisz
+ */
+
+#include <common.h>
+#include <eeprom.h>
+#include <log.h>
+#include <net.h>
+#include <asm/arch/hardware.h>
+#include <asm/omap_common.h>
+#include <dm/uclass.h>
+#include <env.h>
+#include <i2c.h>
+#include <mmc.h>
+#include <errno.h>
+#include <malloc.h>
+
+#include "board_detect.h"
+
+#if !CONFIG_IS_ENABLED(DM_I2C)
+/**
+ * ti_i2c_eeprom_init - Initialize an i2c bus and probe for a device
+ * @i2c_bus: i2c bus number to initialize
+ * @dev_addr: Device address to probe for
+ *
+ * Return: 0 on success or corresponding error on failure.
+ */
+static int __maybe_unused ti_i2c_eeprom_init(int i2c_bus, int dev_addr)
+{
+	int rc;
+
+	if (i2c_bus >= 0) {
+		rc = i2c_set_bus_num(i2c_bus);
+		if (rc)
+			return rc;
+	}
+
+	return i2c_probe(dev_addr);
+}
+
+/**
+ * ti_i2c_eeprom_read - Read data from an EEPROM
+ * @dev_addr: The device address of the EEPROM
+ * @offset: Offset to start reading in the EEPROM
+ * @ep: Pointer to a buffer to read into
+ * @epsize: Size of buffer
+ *
+ * Return: 0 on success or corresponding result of i2c_read
+ */
+static int __maybe_unused ti_i2c_eeprom_read(int dev_addr, int offset,
+					     uchar *ep, int epsize)
+{
+	return i2c_read(dev_addr, offset, 2, ep, epsize);
+}
+#endif
+
+/**
+ * ti_eeprom_string_cleanup() - Handle eeprom programming errors
+ * @s:	eeprom string (should be NULL terminated)
+ *
+ * Some Board manufacturers do not add a NULL termination at the
+ * end of string, instead some binary information is kludged in, hence
+ * convert the string to just printable characters of ASCII chart.
+ */
+static void __maybe_unused ti_eeprom_string_cleanup(char *s)
+{
+	int i, l;
+
+	l = strlen(s);
+	for (i = 0; i < l; i++, s++)
+		if (*s < ' ' || *s > '~') {
+			*s = 0;
+			break;
+		}
+}
+
+__weak void gpi2c_init(void)
+{
+}
+
+static int __maybe_unused ti_i2c_eeprom_get(int bus_addr, int dev_addr,
+					    u32 header, u32 size, uint8_t *ep)
+{
+	u32 hdr_read;
+	int rc;
+
+#if CONFIG_IS_ENABLED(DM_I2C)
+	struct udevice *dev;
+	struct udevice *bus;
+
+	rc = uclass_get_device_by_seq(UCLASS_I2C, bus_addr, &bus);
+	if (rc)
+		return rc;
+	rc = dm_i2c_probe(bus, dev_addr, 0, &dev);
+	if (rc)
+		return rc;
+
+	/*
+	 * Read the header first then only read the other contents.
+	 */
+	rc = i2c_set_chip_offset_len(dev, 2);
+	if (rc)
+		return rc;
+
+	rc = dm_i2c_read(dev, 0, (uint8_t *)&hdr_read, 4);
+	if (rc)
+		return rc;
+
+	/* Corrupted data??? */
+	if (hdr_read != header) {
+		/*
+		 * read the eeprom header using i2c again, but use only a
+		 * 1 byte address (some legacy boards need this..)
+		 */
+		rc = i2c_set_chip_offset_len(dev, 1);
+		if (rc)
+			return rc;
+
+		rc = dm_i2c_read(dev, 0, (uint8_t *)&hdr_read, 4);
+		if (rc)
+			return rc;
+	}
+	if (hdr_read != header)
+		return -1;
+
+	rc = dm_i2c_read(dev, 0, ep, size);
+	if (rc)
+		return rc;
+#else
+	u32 byte;
+
+	gpi2c_init();
+	rc = ti_i2c_eeprom_init(bus_addr, dev_addr);
+	if (rc)
+		return rc;
+
+	/*
+	 * Read the header first then only read the other contents.
+	 */
+	byte = 2;
+
+	rc = i2c_read(dev_addr, 0x0, byte, (uint8_t *)&hdr_read, 4);
+	if (rc)
+		return rc;
+
+	/* Corrupted data??? */
+	if (hdr_read != header) {
+		/*
+		 * read the eeprom header using i2c again, but use only a
+		 * 1 byte address (some legacy boards need this..)
+		 */
+		byte = 1;
+		rc = i2c_read(dev_addr, 0x0, byte, (uint8_t *)&hdr_read,
+			      4);
+		if (rc)
+			return rc;
+	}
+	if (hdr_read != header)
+		return -1;
+
+	rc = i2c_read(dev_addr, 0x0, byte, ep, size);
+	if (rc)
+		return rc;
+#endif
+	return 0;
+}
+
+int __maybe_unused ti_emmc_boardid_get(void)
+{
+	int rc;
+	struct udevice *dev;
+	struct mmc *mmc;
+	struct ti_common_eeprom *ep;
+	struct ti_am_eeprom brdid;
+	struct blk_desc *bdesc;
+	uchar *buffer;
+
+	ep = TI_EEPROM_DATA;
+	if (ep->header == TI_EEPROM_HEADER_MAGIC)
+		return 0;       /* EEPROM has already been read */
+
+	/* Initialize with a known bad marker for emmc fails.. */
+	ep->header = TI_DEAD_EEPROM_MAGIC;
+	ep->name[0] = 0x0;
+	ep->version[0] = 0x0;
+	ep->serial[0] = 0x0;
+	ep->config[0] = 0x0;
+
+	/* uclass object initialization */
+	rc = mmc_initialize(NULL);
+	if (rc)
+		return rc;
+
+	/* Set device to /dev/mmcblk1 */
+	rc = uclass_get_device(UCLASS_MMC, 1, &dev);
+	if (rc)
+		return rc;
+
+	/* Grab the mmc device */
+	mmc = mmc_get_mmc_dev(dev);
+	if (!mmc)
+		return -ENODEV;
+
+	/* mmc hardware initialization routine */
+	mmc_init(mmc);
+
+	/* Set partition to /dev/mmcblk1boot1 */
+	rc = mmc_switch_part(mmc, 2);
+	if (rc)
+		return rc;
+
+	buffer = malloc(mmc->read_bl_len);
+	if (!buffer)
+		return -ENOMEM;
+
+	bdesc = mmc_get_blk_desc(mmc);
+
+	/* blk_dread returns the number of blocks read*/
+	if (blk_dread(bdesc, 0L, 1, buffer) != 1) {
+		rc = -EIO;
+		goto cleanup;
+	}
+
+	memcpy(&brdid, buffer, sizeof(brdid));
+
+	/* Write out the ep struct values */
+	ep->header = brdid.header;
+	strlcpy(ep->name, brdid.name, TI_EEPROM_HDR_NAME_LEN + 1);
+	ti_eeprom_string_cleanup(ep->name);
+	strlcpy(ep->version, brdid.version, TI_EEPROM_HDR_REV_LEN + 1);
+	ti_eeprom_string_cleanup(ep->version);
+	strlcpy(ep->serial, brdid.serial, TI_EEPROM_HDR_SERIAL_LEN + 1);
+	ti_eeprom_string_cleanup(ep->serial);
+
+cleanup:
+	free(buffer);
+
+	return rc;
+}
+
+int __maybe_unused ti_i2c_eeprom_am_set(const char *name, const char *rev)
+{
+	struct ti_common_eeprom *ep;
+
+	if (!name || !rev)
+		return -1;
+
+	ep = TI_EEPROM_DATA;
+	if (ep->header == TI_EEPROM_HEADER_MAGIC)
+		goto already_set;
+
+	/* Set to 0 all fields */
+	memset(ep, 0, sizeof(*ep));
+	strncpy(ep->name, name, TI_EEPROM_HDR_NAME_LEN);
+	strncpy(ep->version, rev, TI_EEPROM_HDR_REV_LEN);
+	/* Some dummy serial number to identify the platform */
+	strncpy(ep->serial, "0000", TI_EEPROM_HDR_SERIAL_LEN);
+	/* Mark it with a valid header */
+	ep->header = TI_EEPROM_HEADER_MAGIC;
+
+already_set:
+	return 0;
+}
+
+int __maybe_unused ti_i2c_eeprom_am_get(int bus_addr, int dev_addr)
+{
+	int rc;
+	struct ti_am_eeprom am_ep;
+	struct ti_common_eeprom *ep;
+
+	ep = TI_EEPROM_DATA;
+#ifndef CONFIG_SPL_BUILD
+	if (ep->header == TI_EEPROM_HEADER_MAGIC)
+		return 0; /* EEPROM has already been read */
+#endif
+
+	/* Initialize with a known bad marker for i2c fails.. */
+	ep->header = TI_DEAD_EEPROM_MAGIC;
+	ep->name[0] = 0x0;
+	ep->version[0] = 0x0;
+	ep->serial[0] = 0x0;
+	ep->config[0] = 0x0;
+
+	rc = ti_i2c_eeprom_get(bus_addr, dev_addr, TI_EEPROM_HEADER_MAGIC,
+			       sizeof(am_ep), (uint8_t *)&am_ep);
+	if (rc)
+		return rc;
+
+	ep->header = am_ep.header;
+	strlcpy(ep->name, am_ep.name, TI_EEPROM_HDR_NAME_LEN + 1);
+	ti_eeprom_string_cleanup(ep->name);
+
+	/* BeagleBone Green '1' eeprom, board_rev: 0x1a 0x00 0x00 0x00 */
+	if (am_ep.version[0] == 0x1a && am_ep.version[1] == 0x00 &&
+	    am_ep.version[2] == 0x00 && am_ep.version[3] == 0x00)
+		strlcpy(ep->version, "BBG1", TI_EEPROM_HDR_REV_LEN + 1);
+	else
+		strlcpy(ep->version, am_ep.version, TI_EEPROM_HDR_REV_LEN + 1);
+	ti_eeprom_string_cleanup(ep->version);
+	strlcpy(ep->serial, am_ep.serial, TI_EEPROM_HDR_SERIAL_LEN + 1);
+	ti_eeprom_string_cleanup(ep->serial);
+	strlcpy(ep->config, am_ep.config, TI_EEPROM_HDR_CONFIG_LEN + 1);
+	ti_eeprom_string_cleanup(ep->config);
+
+	memcpy(ep->mac_addr, am_ep.mac_addr,
+	       TI_EEPROM_HDR_NO_OF_MAC_ADDR * TI_EEPROM_HDR_ETH_ALEN);
+
+	return 0;
+}
+
+int __maybe_unused ti_i2c_eeprom_dra7_get(int bus_addr, int dev_addr)
+{
+	int rc, offset = 0;
+	struct dra7_eeprom dra7_ep;
+	struct ti_common_eeprom *ep;
+
+	ep = TI_EEPROM_DATA;
+#ifndef CONFIG_SPL_BUILD
+	if (ep->header == DRA7_EEPROM_HEADER_MAGIC)
+		return 0; /* EEPROM has already been read */
+#endif
+
+	/* Initialize with a known bad marker for i2c fails.. */
+	ep->header = TI_DEAD_EEPROM_MAGIC;
+	ep->name[0] = 0x0;
+	ep->version[0] = 0x0;
+	ep->serial[0] = 0x0;
+	ep->config[0] = 0x0;
+	ep->emif1_size = 0;
+	ep->emif2_size = 0;
+
+	rc = ti_i2c_eeprom_get(bus_addr, dev_addr, DRA7_EEPROM_HEADER_MAGIC,
+			       sizeof(dra7_ep), (uint8_t *)&dra7_ep);
+	if (rc)
+		return rc;
+
+	ep->header = dra7_ep.header;
+	strlcpy(ep->name, dra7_ep.name, TI_EEPROM_HDR_NAME_LEN + 1);
+	ti_eeprom_string_cleanup(ep->name);
+
+	offset = dra7_ep.version_major - 1;
+
+	/* Rev F is skipped */
+	if (offset >= 5)
+		offset = offset + 1;
+	snprintf(ep->version, TI_EEPROM_HDR_REV_LEN + 1, "%c.%d",
+		 'A' + offset, dra7_ep.version_minor);
+	ti_eeprom_string_cleanup(ep->version);
+	ep->emif1_size = (u64)dra7_ep.emif1_size;
+	ep->emif2_size = (u64)dra7_ep.emif2_size;
+	strlcpy(ep->config, dra7_ep.config, TI_EEPROM_HDR_CONFIG_LEN + 1);
+	ti_eeprom_string_cleanup(ep->config);
+
+	return 0;
+}
+
+static int ti_i2c_eeprom_am6_parse_record(struct ti_am6_eeprom_record *record,
+					  struct ti_am6_eeprom *ep,
+					  char **mac_addr,
+					  u8 mac_addr_max_cnt,
+					  u8 *mac_addr_cnt)
+{
+	switch (record->header.id) {
+	case TI_AM6_EEPROM_RECORD_BOARD_INFO:
+		if (record->header.len != sizeof(record->data.board_info))
+			return -EINVAL;
+
+		if (!ep)
+			break;
+
+		/* Populate (and clean, if needed) the board name */
+		strlcpy(ep->name, record->data.board_info.name,
+			sizeof(ep->name));
+		ti_eeprom_string_cleanup(ep->name);
+
+		/* Populate selected other fields from the board info record */
+		strlcpy(ep->version, record->data.board_info.version,
+			sizeof(ep->version));
+		strlcpy(ep->software_revision,
+			record->data.board_info.software_revision,
+			sizeof(ep->software_revision));
+		strlcpy(ep->serial, record->data.board_info.serial,
+			sizeof(ep->serial));
+		break;
+	case TI_AM6_EEPROM_RECORD_MAC_INFO:
+		if (record->header.len != sizeof(record->data.mac_info))
+			return -EINVAL;
+
+		if (!mac_addr || !mac_addr_max_cnt)
+			break;
+
+		*mac_addr_cnt = ((record->data.mac_info.mac_control &
+				 TI_AM6_EEPROM_MAC_ADDR_COUNT_MASK) >>
+				 TI_AM6_EEPROM_MAC_ADDR_COUNT_SHIFT) + 1;
+
+		/*
+		 * The EEPROM can (but may not) hold a very large amount
+		 * of MAC addresses, by far exceeding what we want/can store
+		 * in the common memory array, so only grab what we can fit.
+		 * Note that a value of 0 means 1 MAC address, and so on.
+		 */
+		*mac_addr_cnt = min(*mac_addr_cnt, mac_addr_max_cnt);
+
+		memcpy(mac_addr, record->data.mac_info.mac_addr,
+		       *mac_addr_cnt * TI_EEPROM_HDR_ETH_ALEN);
+		break;
+	case 0x00:
+		/* Illegal value... Fall through... */
+	case 0xFF:
+		/* Illegal value... Something went horribly wrong... */
+		return -EINVAL;
+	default:
+		pr_warn("%s: Ignoring record id %u\n", __func__,
+			record->header.id);
+	}
+
+	return 0;
+}
+
+int __maybe_unused ti_i2c_eeprom_am6_get(int bus_addr, int dev_addr,
+					 struct ti_am6_eeprom *ep,
+					 char **mac_addr,
+					 u8 mac_addr_max_cnt,
+					 u8 *mac_addr_cnt)
+{
+	struct udevice *dev;
+	struct udevice *bus;
+	unsigned int eeprom_addr;
+	struct ti_am6_eeprom_record_board_id board_id;
+	struct ti_am6_eeprom_record record;
+	int rc;
+
+	/* Initialize with a known bad marker for i2c fails.. */
+	memset(ep, 0, sizeof(*ep));
+	ep->header = TI_DEAD_EEPROM_MAGIC;
+
+	/* Read the board ID record which is always the first EEPROM record */
+	rc = ti_i2c_eeprom_get(bus_addr, dev_addr, TI_EEPROM_HEADER_MAGIC,
+			       sizeof(board_id), (uint8_t *)&board_id);
+	if (rc)
+		return rc;
+
+	if (board_id.header.id != TI_AM6_EEPROM_RECORD_BOARD_ID) {
+		pr_err("%s: Invalid board ID record!\n", __func__);
+		return -EINVAL;
+	}
+
+	/* Establish DM handle to board config EEPROM */
+	rc = uclass_get_device_by_seq(UCLASS_I2C, bus_addr, &bus);
+	if (rc)
+		return rc;
+	rc = i2c_get_chip(bus, dev_addr, 1, &dev);
+	if (rc)
+		return rc;
+
+	ep->header = TI_EEPROM_HEADER_MAGIC;
+
+	/* Ready to parse TLV structure. Initialize variables... */
+	*mac_addr_cnt = 0;
+
+	/*
+	 * After the all-encompassing board ID record all other records follow
+	 * a TLV-type scheme. Point to the first such record and then start
+	 * parsing those one by one.
+	 */
+	eeprom_addr = sizeof(board_id);
+
+	while (true) {
+		rc = dm_i2c_read(dev, eeprom_addr, (uint8_t *)&record.header,
+				 sizeof(record.header));
+		if (rc)
+			return rc;
+
+		/*
+		 * Check for end of list marker. If we reached it don't go
+		 * any further and stop parsing right here.
+		 */
+		if (record.header.id == TI_AM6_EEPROM_RECORD_END_LIST)
+			break;
+
+		eeprom_addr += sizeof(record.header);
+
+		debug("%s: dev_addr=0x%02x header.id=%u header.len=%u\n",
+		      __func__, dev_addr, record.header.id,
+		      record.header.len);
+
+		/* Read record into memory if it fits */
+		if (record.header.len <= sizeof(record.data)) {
+			rc = dm_i2c_read(dev, eeprom_addr,
+					 (uint8_t *)&record.data,
+					 record.header.len);
+			if (rc)
+				return rc;
+
+			/* Process record */
+			rc = ti_i2c_eeprom_am6_parse_record(&record, ep,
+							    mac_addr,
+							    mac_addr_max_cnt,
+							    mac_addr_cnt);
+			if (rc) {
+				pr_err("%s: EEPROM parsing error!\n", __func__);
+				return rc;
+			}
+		} else {
+			/*
+			 * We may get here in case of larger records which
+			 * are not yet understood.
+			 */
+			pr_err("%s: Ignoring record id %u\n", __func__,
+			       record.header.id);
+		}
+
+		eeprom_addr += record.header.len;
+	}
+
+	return 0;
+}
+
+int __maybe_unused ti_i2c_eeprom_am6_get_base(int bus_addr, int dev_addr)
+{
+	struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
+	int ret;
+
+	/*
+	 * Always execute EEPROM read by not allowing to bypass it during the
+	 * first invocation of SPL which happens on the R5 core.
+	 */
+#if !(defined(CONFIG_SPL_BUILD) && defined(CONFIG_CPU_V7R))
+	if (ep->header == TI_EEPROM_HEADER_MAGIC) {
+		debug("%s: EEPROM has already been read\n", __func__);
+		return 0;
+	}
+#endif
+
+	ret = ti_i2c_eeprom_am6_get(bus_addr, dev_addr, ep,
+				    (char **)ep->mac_addr,
+				    AM6_EEPROM_HDR_NO_OF_MAC_ADDR,
+				    &ep->mac_addr_cnt);
+	return ret;
+}
+
+bool __maybe_unused board_ti_k3_is(char *name_tag)
+{
+	struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
+
+	if (ep->header == TI_DEAD_EEPROM_MAGIC)
+		return false;
+	return !strncmp(ep->name, name_tag, AM6_EEPROM_HDR_NAME_LEN);
+}
+
+bool __maybe_unused board_ti_is(char *name_tag)
+{
+	struct ti_common_eeprom *ep = TI_EEPROM_DATA;
+
+	if (ep->header == TI_DEAD_EEPROM_MAGIC)
+		return false;
+	return !strncmp(ep->name, name_tag, TI_EEPROM_HDR_NAME_LEN);
+}
+
+bool __maybe_unused board_ti_rev_is(char *rev_tag, int cmp_len)
+{
+	struct ti_common_eeprom *ep = TI_EEPROM_DATA;
+	int l;
+
+	if (ep->header == TI_DEAD_EEPROM_MAGIC)
+		return false;
+
+	l = cmp_len > TI_EEPROM_HDR_REV_LEN ? TI_EEPROM_HDR_REV_LEN : cmp_len;
+	return !strncmp(ep->version, rev_tag, l);
+}
+
+char * __maybe_unused board_ti_get_rev(void)
+{
+	struct ti_common_eeprom *ep = TI_EEPROM_DATA;
+
+	/* if ep->header == TI_DEAD_EEPROM_MAGIC, this is empty already */
+	return ep->version;
+}
+
+char * __maybe_unused board_ti_get_config(void)
+{
+	struct ti_common_eeprom *ep = TI_EEPROM_DATA;
+
+	/* if ep->header == TI_DEAD_EEPROM_MAGIC, this is empty already */
+	return ep->config;
+}
+
+char * __maybe_unused board_ti_get_name(void)
+{
+	struct ti_common_eeprom *ep = TI_EEPROM_DATA;
+
+	/* if ep->header == TI_DEAD_EEPROM_MAGIC, this is empty already */
+	return ep->name;
+}
+
+void __maybe_unused
+board_ti_get_eth_mac_addr(int index,
+			  u8 mac_addr[TI_EEPROM_HDR_ETH_ALEN])
+{
+	struct ti_common_eeprom *ep = TI_EEPROM_DATA;
+
+	if (ep->header == TI_DEAD_EEPROM_MAGIC)
+		goto fail;
+
+	if (index < 0 || index >= TI_EEPROM_HDR_NO_OF_MAC_ADDR)
+		goto fail;
+
+	memcpy(mac_addr, ep->mac_addr[index], TI_EEPROM_HDR_ETH_ALEN);
+	return;
+
+fail:
+	memset(mac_addr, 0, TI_EEPROM_HDR_ETH_ALEN);
+}
+
+void __maybe_unused
+board_ti_am6_get_eth_mac_addr(int index,
+			      u8 mac_addr[TI_EEPROM_HDR_ETH_ALEN])
+{
+	struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
+
+	if (ep->header == TI_DEAD_EEPROM_MAGIC)
+		goto fail;
+
+	if (index < 0 || index >= ep->mac_addr_cnt)
+		goto fail;
+
+	memcpy(mac_addr, ep->mac_addr[index], TI_EEPROM_HDR_ETH_ALEN);
+	return;
+
+fail:
+	memset(mac_addr, 0, TI_EEPROM_HDR_ETH_ALEN);
+}
+
+u64 __maybe_unused board_ti_get_emif1_size(void)
+{
+	struct ti_common_eeprom *ep = TI_EEPROM_DATA;
+
+	if (ep->header != DRA7_EEPROM_HEADER_MAGIC)
+		return 0;
+
+	return ep->emif1_size;
+}
+
+u64 __maybe_unused board_ti_get_emif2_size(void)
+{
+	struct ti_common_eeprom *ep = TI_EEPROM_DATA;
+
+	if (ep->header != DRA7_EEPROM_HEADER_MAGIC)
+		return 0;
+
+	return ep->emif2_size;
+}
+
+void __maybe_unused set_board_info_env(char *name)
+{
+	char *unknown = "unknown";
+	struct ti_common_eeprom *ep = TI_EEPROM_DATA;
+
+	if (name)
+		env_set("board_name", name);
+	else if (strlen(ep->name) != 0)
+		env_set("board_name", ep->name);
+	else
+		env_set("board_name", unknown);
+
+	if (strlen(ep->version) != 0)
+		env_set("board_rev", ep->version);
+	else
+		env_set("board_rev", unknown);
+
+	if (strlen(ep->serial) != 0)
+		env_set("board_serial", ep->serial);
+	else
+		env_set("board_serial", unknown);
+}
+
+void __maybe_unused set_board_info_env_am6(char *name)
+{
+	char *unknown = "unknown";
+	struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
+
+	if (name)
+		env_set("board_name", name);
+	else if (strlen(ep->name) != 0)
+		env_set("board_name", ep->name);
+	else
+		env_set("board_name", unknown);
+
+	if (strlen(ep->version) != 0)
+		env_set("board_rev", ep->version);
+	else
+		env_set("board_rev", unknown);
+
+	if (strlen(ep->software_revision) != 0)
+		env_set("board_software_revision", ep->software_revision);
+	else
+		env_set("board_software_revision", unknown);
+
+	if (strlen(ep->serial) != 0)
+		env_set("board_serial", ep->serial);
+	else
+		env_set("board_serial", unknown);
+}
+
+static u64 mac_to_u64(u8 mac[6])
+{
+	int i;
+	u64 addr = 0;
+
+	for (i = 0; i < 6; i++) {
+		addr <<= 8;
+		addr |= mac[i];
+	}
+
+	return addr;
+}
+
+static void u64_to_mac(u64 addr, u8 mac[6])
+{
+	mac[5] = addr;
+	mac[4] = addr >> 8;
+	mac[3] = addr >> 16;
+	mac[2] = addr >> 24;
+	mac[1] = addr >> 32;
+	mac[0] = addr >> 40;
+}
+
+void board_ti_set_ethaddr(int index)
+{
+	uint8_t mac_addr[6];
+	int i;
+	u64 mac1, mac2;
+	u8 mac_addr1[6], mac_addr2[6];
+	int num_macs;
+	/*
+	 * Export any Ethernet MAC addresses from EEPROM.
+	 * The 2 MAC addresses in EEPROM define the address range.
+	 */
+	board_ti_get_eth_mac_addr(0, mac_addr1);
+	board_ti_get_eth_mac_addr(1, mac_addr2);
+
+	if (is_valid_ethaddr(mac_addr1) && is_valid_ethaddr(mac_addr2)) {
+		mac1 = mac_to_u64(mac_addr1);
+		mac2 = mac_to_u64(mac_addr2);
+
+		/* must contain an address range */
+		num_macs = mac2 - mac1 + 1;
+		if (num_macs <= 0)
+			return;
+
+		if (num_macs > 50) {
+			printf("%s: Too many MAC addresses: %d. Limiting to 50\n",
+			       __func__, num_macs);
+			num_macs = 50;
+		}
+
+		for (i = 0; i < num_macs; i++) {
+			u64_to_mac(mac1 + i, mac_addr);
+			if (is_valid_ethaddr(mac_addr)) {
+				eth_env_set_enetaddr_by_index("eth", i + index,
+							      mac_addr);
+			}
+		}
+	}
+}
+
+void board_ti_am6_set_ethaddr(int index, int count)
+{
+	u8 mac_addr[6];
+	int i;
+
+	for (i = 0; i < count; i++) {
+		board_ti_am6_get_eth_mac_addr(i, mac_addr);
+		if (is_valid_ethaddr(mac_addr))
+			eth_env_set_enetaddr_by_index("eth", i + index,
+						      mac_addr);
+	}
+}
+
+bool __maybe_unused board_ti_was_eeprom_read(void)
+{
+	struct ti_common_eeprom *ep = TI_EEPROM_DATA;
+
+	if (ep->header == TI_EEPROM_HEADER_MAGIC)
+		return true;
+	else
+		return false;
+}
diff --git a/roms/u-boot/board/ti/common/board_detect.h b/roms/u-boot/board/ti/common/board_detect.h
new file mode 100644
index 000000000..de7cb52df
--- /dev/null
+++ b/roms/u-boot/board/ti/common/board_detect.h
@@ -0,0 +1,471 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Library to support early TI EVM EEPROM handling
+ *
+ * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com
+ */
+
+#ifndef __BOARD_DETECT_H
+#define __BOARD_DETECT_H
+
+/* TI EEPROM MAGIC Header identifier */
+#include <linux/bitops.h>
+#define TI_EEPROM_HEADER_MAGIC	0xEE3355AA
+#define TI_DEAD_EEPROM_MAGIC	0xADEAD12C
+
+#define TI_EEPROM_HDR_NAME_LEN		8
+#define TI_EEPROM_HDR_REV_LEN		4
+#define TI_EEPROM_HDR_SERIAL_LEN	12
+#define TI_EEPROM_HDR_CONFIG_LEN	32
+#define TI_EEPROM_HDR_NO_OF_MAC_ADDR	3
+#define TI_EEPROM_HDR_ETH_ALEN		6
+
+/**
+ * struct ti_am_eeprom - This structure holds data read in from the
+ *                     AM335x, AM437x, AM57xx TI EVM EEPROMs.
+ * @header: This holds the magic number
+ * @name: The name of the board
+ * @version: Board revision
+ * @serial: Board serial number
+ * @config: Reserved
+ * @mac_addr: Any MAC addresses written in the EEPROM
+ *
+ * The data is this structure is read from the EEPROM on the board.
+ * It is used for board detection which is based on name. It is used
+ * to configure specific TI boards. This allows booting of multiple
+ * TI boards with a single MLO and u-boot.
+ */
+struct ti_am_eeprom {
+	unsigned int header;
+	char name[TI_EEPROM_HDR_NAME_LEN];
+	char version[TI_EEPROM_HDR_REV_LEN];
+	char serial[TI_EEPROM_HDR_SERIAL_LEN];
+	char config[TI_EEPROM_HDR_CONFIG_LEN];
+	char mac_addr[TI_EEPROM_HDR_NO_OF_MAC_ADDR][TI_EEPROM_HDR_ETH_ALEN];
+} __attribute__ ((__packed__));
+
+/* AM6x TI EVM EEPROM Definitions */
+#define TI_AM6_EEPROM_RECORD_BOARD_ID		0x01
+#define TI_AM6_EEPROM_RECORD_BOARD_INFO		0x10
+#define TI_AM6_EEPROM_RECORD_DDR_INFO		0x11
+#define TI_AM6_EEPROM_RECORD_DDR_SPD		0x12
+#define TI_AM6_EEPROM_RECORD_MAC_INFO		0x13
+#define TI_AM6_EEPROM_RECORD_END_LIST		0xFE
+
+/*
+ * Common header for AM6x TI EVM EEPROM records. Used to encapsulate the config
+ * EEPROM in its entirety as well as for individual records contained within.
+ */
+struct ti_am6_eeprom_record_header {
+	u8 id;
+	u16 len;
+} __attribute__ ((__packed__));
+
+/* AM6x TI EVM EEPROM board ID structure */
+struct ti_am6_eeprom_record_board_id {
+	u32 magic_number;
+	struct ti_am6_eeprom_record_header header;
+} __attribute__ ((__packed__));
+
+/* AM6x TI EVM EEPROM board info structure */
+#define AM6_EEPROM_HDR_NAME_LEN			16
+#define AM6_EEPROM_HDR_VERSION_LEN		2
+#define AM6_EEPROM_HDR_PROC_NR_LEN		4
+#define AM6_EEPROM_HDR_VARIANT_LEN		2
+#define AM6_EEPROM_HDR_PCB_REV_LEN		2
+#define AM6_EEPROM_HDR_SCH_BOM_REV_LEN		2
+#define AM6_EEPROM_HDR_SW_REV_LEN		2
+#define AM6_EEPROM_HDR_VID_LEN			2
+#define AM6_EEPROM_HDR_BLD_WK_LEN		2
+#define AM6_EEPROM_HDR_BLD_YR_LEN		2
+#define AM6_EEPROM_HDR_4P_NR_LEN		6
+#define AM6_EEPROM_HDR_SERIAL_LEN		4
+
+struct ti_am6_eeprom_record_board_info {
+	char name[AM6_EEPROM_HDR_NAME_LEN];
+	char version[AM6_EEPROM_HDR_VERSION_LEN];
+	char proc_number[AM6_EEPROM_HDR_PROC_NR_LEN];
+	char variant[AM6_EEPROM_HDR_VARIANT_LEN];
+	char pcb_revision[AM6_EEPROM_HDR_PCB_REV_LEN];
+	char schematic_bom_revision[AM6_EEPROM_HDR_SCH_BOM_REV_LEN];
+	char software_revision[AM6_EEPROM_HDR_SW_REV_LEN];
+	char vendor_id[AM6_EEPROM_HDR_VID_LEN];
+	char build_week[AM6_EEPROM_HDR_BLD_WK_LEN];
+	char build_year[AM6_EEPROM_HDR_BLD_YR_LEN];
+	char board_4p_number[AM6_EEPROM_HDR_4P_NR_LEN];
+	char serial[AM6_EEPROM_HDR_SERIAL_LEN];
+} __attribute__ ((__packed__));
+
+/* Memory location to keep a copy of the AM6 board info record */
+#define TI_AM6_EEPROM_BD_INFO_DATA ((struct ti_am6_eeprom_record_board_info *) \
+					     TI_SRAM_SCRATCH_BOARD_EEPROM_START)
+
+/* AM6x TI EVM EEPROM DDR info structure */
+#define TI_AM6_EEPROM_DDR_CTRL_INSTANCE_MASK		GENMASK(1, 0)
+#define TI_AM6_EEPROM_DDR_CTRL_INSTANCE_SHIFT		0
+#define TI_AM6_EEPROM_DDR_CTRL_SPD_DATA_LOC_MASK	GENMASK(3, 2)
+#define TI_AM6_EEPROM_DDR_CTRL_SPD_DATA_LOC_NA		(0 << 2)
+#define TI_AM6_EEPROM_DDR_CTRL_SPD_DATA_LOC_BOARDID	(2 << 2)
+#define TI_AM6_EEPROM_DDR_CTRL_SPD_DATA_LOC_I2C51	(3 << 2)
+#define TI_AM6_EEPROM_DDR_CTRL_MEM_TYPE_MASK		GENMASK(5, 4)
+#define TI_AM6_EEPROM_DDR_CTRL_MEM_TYPE_DDR3		(0 << 4)
+#define TI_AM6_EEPROM_DDR_CTRL_MEM_TYPE_DDR4		(1 << 4)
+#define TI_AM6_EEPROM_DDR_CTRL_MEM_TYPE_LPDDR4		(2 << 4)
+#define TI_AM6_EEPROM_DDR_CTRL_IF_DATA_WIDTH_MASK	GENMASK(7, 6)
+#define TI_AM6_EEPROM_DDR_CTRL_IF_DATA_WIDTH_16		(0 << 6)
+#define TI_AM6_EEPROM_DDR_CTRL_IF_DATA_WIDTH_32		(1 << 6)
+#define TI_AM6_EEPROM_DDR_CTRL_IF_DATA_WIDTH_64		(2 << 6)
+#define TI_AM6_EEPROM_DDR_CTRL_DEV_DATA_WIDTH_MASK	GENMASK(9, 8)
+#define TI_AM6_EEPROM_DDR_CTRL_DEV_DATA_WIDTH_8		(0 << 8)
+#define TI_AM6_EEPROM_DDR_CTRL_DEV_DATA_WIDTH_16	(1 << 8)
+#define TI_AM6_EEPROM_DDR_CTRL_DEV_DATA_WIDTH_32	(2 << 8)
+#define TI_AM6_EEPROM_DDR_CTRL_RANKS_2			BIT(10)
+#define TI_AM6_EEPROM_DDR_CTRL_DENS_MASK		GENMASK(13, 11)
+#define TI_AM6_EEPROM_DDR_CTRL_DENS_1GB			(0 << 11)
+#define TI_AM6_EEPROM_DDR_CTRL_DENS_2GB			(1 << 11)
+#define TI_AM6_EEPROM_DDR_CTRL_DENS_4GB			(2 << 11)
+#define TI_AM6_EEPROM_DDR_CTRL_DENS_8GB			(3 << 11)
+#define TI_AM6_EEPROM_DDR_CTRL_DENS_12GB		(4 << 11)
+#define TI_AM6_EEPROM_DDR_CTRL_DENS_16GB		(5 << 11)
+#define TI_AM6_EEPROM_DDR_CTRL_DENS_24GB		(6 << 11)
+#define TI_AM6_EEPROM_DDR_CTRL_DENS_32GB		(7 << 11)
+#define TI_AM6_EEPROM_DDR_CTRL_ECC			BIT(14)
+
+struct ti_am6_eeprom_record_ddr_info {
+	u16 ddr_control;
+} __attribute__ ((__packed__));
+
+/* AM6x TI EVM EEPROM DDR SPD structure */
+#define TI_AM6_EEPROM_DDR_SPD_INSTANCE_MASK		GENMASK(1, 0)
+#define TI_AM6_EEPROM_DDR_SPD_INSTANCE_SHIFT		0
+#define TI_AM6_EEPROM_DDR_SPD_MEM_TYPE_MASK		GENMASK(4, 3)
+#define TI_AM6_EEPROM_DDR_SPD_MEM_TYPE_DDR3		(0 << 3)
+#define TI_AM6_EEPROM_DDR_SPD_MEM_TYPE_DDR4		(1 << 3)
+#define TI_AM6_EEPROM_DDR_SPD_MEM_TYPE_LPDDR4		(2 << 3)
+#define TI_AM6_EEPROM_DDR_SPD_DATA_LEN			512
+
+struct ti_am6_eeprom_record_ddr_spd {
+	u16 spd_control;
+	u8 data[TI_AM6_EEPROM_DDR_SPD_DATA_LEN];
+} __attribute__ ((__packed__));
+
+/* AM6x TI EVM EEPROM MAC info structure */
+#define TI_AM6_EEPROM_MAC_INFO_INSTANCE_MASK		GENMASK(2, 0)
+#define TI_AM6_EEPROM_MAC_INFO_INSTANCE_SHIFT		0
+#define TI_AM6_EEPROM_MAC_ADDR_COUNT_MASK		GENMASK(7, 3)
+#define TI_AM6_EEPROM_MAC_ADDR_COUNT_SHIFT		3
+#define TI_AM6_EEPROM_MAC_ADDR_MAX_COUNT		32
+
+struct ti_am6_eeprom_record_mac_info {
+	u16 mac_control;
+	u8 mac_addr[TI_AM6_EEPROM_MAC_ADDR_MAX_COUNT][TI_EEPROM_HDR_ETH_ALEN];
+} __attribute__ ((__packed__));
+
+struct ti_am6_eeprom_record {
+	struct ti_am6_eeprom_record_header header;
+	union {
+		struct ti_am6_eeprom_record_board_info board_info;
+		struct ti_am6_eeprom_record_ddr_info ddr_info;
+		struct ti_am6_eeprom_record_ddr_spd ddr_spd;
+		struct ti_am6_eeprom_record_mac_info mac_info;
+	} data;
+} __attribute__ ((__packed__));
+
+/* DRA7 EEPROM MAGIC Header identifier */
+#define DRA7_EEPROM_HEADER_MAGIC	0xAA5533EE
+#define DRA7_EEPROM_HDR_NAME_LEN	16
+#define DRA7_EEPROM_HDR_CONFIG_LEN	4
+
+/**
+ * struct dra7_eeprom - This structure holds data read in from the DRA7 EVM
+ *			EEPROMs.
+ * @header: This holds the magic number
+ * @name: The name of the board
+ * @version_major: Board major version
+ * @version_minor: Board minor version
+ * @config: Board specific config options
+ * @emif1_size: Size of DDR attached to EMIF1
+ * @emif2_size: Size of DDR attached to EMIF2
+ *
+ * The data is this structure is read from the EEPROM on the board.
+ * It is used for board detection which is based on name. It is used
+ * to configure specific DRA7 boards. This allows booting of multiple
+ * DRA7 boards with a single MLO and u-boot.
+ */
+struct dra7_eeprom {
+	u32 header;
+	char name[DRA7_EEPROM_HDR_NAME_LEN];
+	u16 version_major;
+	u16 version_minor;
+	char config[DRA7_EEPROM_HDR_CONFIG_LEN];
+	u32 emif1_size;
+	u32 emif2_size;
+} __attribute__ ((__packed__));
+
+/**
+ * struct ti_common_eeprom - Null terminated, usable EEPROM contents.
+ * header:	Magic number
+ * @name:	NULL terminated name
+ * @version:	NULL terminated version
+ * @serial:	NULL terminated serial number
+ * @config:	NULL terminated Board specific config options
+ * @mac_addr:	MAC addresses
+ * @emif1_size:	Size of the ddr available on emif1
+ * @emif2_size:	Size of the ddr available on emif2
+ */
+struct ti_common_eeprom {
+	u32 header;
+	char name[TI_EEPROM_HDR_NAME_LEN + 1];
+	char version[TI_EEPROM_HDR_REV_LEN + 1];
+	char serial[TI_EEPROM_HDR_SERIAL_LEN + 1];
+	char config[TI_EEPROM_HDR_CONFIG_LEN + 1];
+	char mac_addr[TI_EEPROM_HDR_NO_OF_MAC_ADDR][TI_EEPROM_HDR_ETH_ALEN];
+	u64 emif1_size;
+	u64 emif2_size;
+};
+
+#define TI_EEPROM_DATA ((struct ti_common_eeprom *)\
+				TI_SRAM_SCRATCH_BOARD_EEPROM_START)
+
+/*
+ * Maximum number of Ethernet MAC addresses extracted from the AM6x on-board
+ * EEPROM during the initial probe and carried forward in SRAM.
+ */
+#define AM6_EEPROM_HDR_NO_OF_MAC_ADDR	8
+
+/**
+ * struct ti_am6_eeprom - Null terminated, usable EEPROM contents, as extracted
+ *	from the AM6 on-board EEPROM. Note that we only carry a subset of data
+ *	at this time to be considerate about memory consumption.
+ * @header:		Magic number for data validity indication
+ * @name:		NULL terminated name
+ * @version:		NULL terminated version
+ * @software_revision:	NULL terminated software revision
+ * @serial:		Board serial number
+ * @mac_addr_cnt:	Number of MAC addresses stored in this object
+ * @mac_addr:		MAC addresses
+ */
+struct ti_am6_eeprom {
+	u32 header;
+	char name[AM6_EEPROM_HDR_NAME_LEN + 1];
+	char version[AM6_EEPROM_HDR_VERSION_LEN + 1];
+	char software_revision[AM6_EEPROM_HDR_SW_REV_LEN + 1];
+	char serial[AM6_EEPROM_HDR_SERIAL_LEN + 1];
+	u8 mac_addr_cnt;
+	char mac_addr[AM6_EEPROM_HDR_NO_OF_MAC_ADDR][TI_EEPROM_HDR_ETH_ALEN];
+};
+
+#define TI_AM6_EEPROM_DATA ((struct ti_am6_eeprom *) \
+				TI_SRAM_SCRATCH_BOARD_EEPROM_START)
+
+/**
+ * ti_i2c_eeprom_am_get() - Consolidated eeprom data collection for AM* TI EVMs
+ * @bus_addr:	I2C bus address
+ * @dev_addr:	I2C slave address
+ *
+ * ep in SRAM is populated by the this AM generic function that consolidates
+ * the basic initialization logic common across all AM* platforms.
+ */
+int ti_i2c_eeprom_am_get(int bus_addr, int dev_addr);
+
+/**
+ * ti_emmc_boardid_get() - Fetch board ID information from eMMC
+ *
+ * ep in SRAM is populated by the this function that is currently
+ * based on BeagleBone AI, but could be made more general across AM*
+ * platforms.
+ */
+int __maybe_unused ti_emmc_boardid_get(void);
+
+/**
+ * ti_i2c_eeprom_dra7_get() - Consolidated eeprom data for DRA7 TI EVMs
+ * @bus_addr:	I2C bus address
+ * @dev_addr:	I2C slave address
+ */
+int ti_i2c_eeprom_dra7_get(int bus_addr, int dev_addr);
+
+/**
+ * ti_i2c_eeprom_am6_get() - Consolidated eeprom data for AM6x TI EVMs and
+ *			     associated daughter cards, parsed into user-
+ *			     provided data structures
+ * @bus_addr:	I2C bus address
+ * @dev_addr:	I2C slave address
+ * @ep:		Pointer to structure receiving AM6-specific header data
+ * @mac_addr:	Pointer to memory receiving parsed MAC addresses. May be
+ *		NULL to skip MAC parsing.
+ * @mac_addr_max_cnt: Maximum number of MAC addresses that can be stored into
+ *		      mac_addr. May be NULL to skip MAC parsing.
+ * @mac_addr_cnt: Pointer to a location returning how many MAC addressed got
+ *		  actually parsed.
+ */
+int __maybe_unused ti_i2c_eeprom_am6_get(int bus_addr, int dev_addr,
+					 struct ti_am6_eeprom *ep,
+					 char **mac_addr,
+					 u8 mac_addr_max_cnt,
+					 u8 *mac_addr_cnt);
+
+/**
+ * ti_i2c_eeprom_am6_get_base() - Consolidated eeprom data for AM6x TI EVMs
+ * @bus_addr:	I2C bus address
+ * @dev_addr:	I2C slave address
+ */
+int __maybe_unused ti_i2c_eeprom_am6_get_base(int bus_addr, int dev_addr);
+
+#ifdef CONFIG_TI_I2C_BOARD_DETECT
+/**
+ * board_ti_is() - Board detection logic for TI EVMs
+ * @name_tag:	Tag used in eeprom for the board
+ *
+ * Return: false if board information does not match OR eeprom wasn't read.
+ *	   true otherwise
+ */
+bool board_ti_is(char *name_tag);
+
+/**
+ * board_ti_k3_is() - Board detection logic for TI K3 EVMs
+ * @name_tag:	Tag used in eeprom for the board
+ *
+ * Return: false if board information does not match OR eeprom wasn't read.
+ *	   true otherwise
+ */
+bool board_ti_k3_is(char *name_tag);
+
+/**
+ * board_ti_rev_is() - Compare board revision for TI EVMs
+ * @rev_tag:	Revision tag to check in eeprom
+ * @cmp_len:	How many chars to compare?
+ *
+ * NOTE: revision information is often messed up (hence the str len match) :(
+ *
+ * Return: false if board information does not match OR eeprom wasn't read.
+ *	   true otherwise
+ */
+bool board_ti_rev_is(char *rev_tag, int cmp_len);
+
+/**
+ * board_ti_get_rev() - Get board revision for TI EVMs
+ *
+ * Return: Empty string if eeprom wasn't read.
+ *	   Board revision otherwise
+ */
+char *board_ti_get_rev(void);
+
+/**
+ * board_ti_get_config() - Get board config for TI EVMs
+ *
+ * Return: Empty string if eeprom wasn't read.
+ *	   Board config otherwise
+ */
+char *board_ti_get_config(void);
+
+/**
+ * board_ti_get_name() - Get board name for TI EVMs
+ *
+ * Return: Empty string if eeprom wasn't read.
+ *	   Board name otherwise
+ */
+char *board_ti_get_name(void);
+
+/**
+ * board_ti_get_eth_mac_addr() - Get Ethernet MAC address from EEPROM MAC list
+ * @index:	0 based index within the list of MAC addresses
+ * @mac_addr:	MAC address contained at the index is returned here
+ *
+ * Does not sanity check the mac_addr. Whatever is stored in EEPROM is returned.
+ */
+void board_ti_get_eth_mac_addr(int index, u8 mac_addr[TI_EEPROM_HDR_ETH_ALEN]);
+
+/**
+ * board_ti_get_emif1_size() - Get size of the DDR on emif1 for TI EVMs
+ *
+ * Return: NULL if eeprom wasn't read or emif1_size is not available.
+ */
+u64 board_ti_get_emif1_size(void);
+
+/**
+ * board_ti_get_emif2_size() - Get size of the DDR on emif2 for TI EVMs
+ *
+ * Return: NULL if eeprom wasn't read or emif2_size is not available.
+ */
+u64 board_ti_get_emif2_size(void);
+
+/**
+ * set_board_info_env() - Setup commonly used board information environment vars
+ * @name:	Name of the board
+ *
+ * If name is NULL, default_name is used.
+ */
+void set_board_info_env(char *name);
+
+/**
+ * set_board_info_env_am6() - Setup commonly used board information environment
+ *			      vars for AM6-type boards
+ * @name:	Name of the board
+ *
+ * If name is NULL, default_name is used.
+ */
+void set_board_info_env_am6(char *name);
+
+/**
+ * board_ti_set_ethaddr- Sets the ethaddr environment from EEPROM
+ * @index: The first eth<index>addr environment variable to set
+ *
+ * EEPROM should be already read before calling this function.
+ * The EEPROM contains 2 MAC addresses which define the MAC address
+ * range (i.e. first and last MAC address).
+ * This function sets the ethaddr environment variable for all
+ * the available MAC addresses starting from eth<index>addr.
+ */
+void board_ti_set_ethaddr(int index);
+
+/**
+ * board_ti_am6_set_ethaddr- Sets the ethaddr environment from EEPROM
+ * @index: The first eth<index>addr environment variable to set
+ * @count: The number of MAC addresses to process
+ *
+ * EEPROM should be already read before calling this function. The EEPROM
+ * contains n dedicated MAC addresses. This function sets the ethaddr
+ * environment variable for all the available MAC addresses starting
+ * from eth<index>addr.
+ */
+void board_ti_am6_set_ethaddr(int index, int count);
+
+/**
+ * board_ti_was_eeprom_read() - Check to see if the eeprom contents have been read
+ *
+ * This function is useful to determine if the eeprom has already been read and
+ * its contents have already been loaded into memory. It utiltzes the magic
+ * number that the header value is set to upon successful eeprom read.
+ */
+bool board_ti_was_eeprom_read(void);
+
+/**
+ * ti_i2c_eeprom_am_set() - Setup the eeprom data with predefined values
+ * @name:	Name of the board
+ * @rev:	Revision of the board
+ *
+ * In some cases such as in RTC-only mode, we are able to skip reading eeprom
+ * and wasting i2c based initialization time by using predefined flags for
+ * detecting what platform we are booting on. For those platforms, provide
+ * a handy function to pre-program information.
+ *
+ * NOTE: many eeprom information such as serial number, mac address etc is not
+ * available.
+ *
+ * Return: 0 if all went fine, else return error.
+ */
+int ti_i2c_eeprom_am_set(const char *name, const char *rev);
+#else
+static inline bool board_ti_is(char *name_tag) { return false; };
+static inline bool board_ti_k3_is(char *name_tag) { return false; };
+static inline bool board_ti_rev_is(char *rev_tag, int cmp_len)
+{ return false; };
+static inline char *board_ti_get_rev(void) { return NULL; };
+static inline char *board_ti_get_config(void) { return NULL; };
+static inline char *board_ti_get_name(void) { return NULL; };
+static inline bool board_ti_was_eeprom_read(void) { return false; };
+static inline int ti_i2c_eeprom_am_set(const char *name, const char *rev)
+{ return -EINVAL; };
+#endif
+
+#endif	/* __BOARD_DETECT_H */
diff --git a/roms/u-boot/board/ti/common/cape_detect.c b/roms/u-boot/board/ti/common/cape_detect.c
new file mode 100644
index 000000000..2e6105cfb
--- /dev/null
+++ b/roms/u-boot/board/ti/common/cape_detect.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2021
+ * Köry Maincent, Bootlin, <kory.maincent@bootlin.com>
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <i2c.h>
+#include <extension_board.h>
+
+#include "cape_detect.h"
+
+static void sanitize_field(char *text, size_t size)
+{
+	char *c = NULL;
+
+	for (c = text; c < text + (int)size; c++) {
+		if (*c == 0xFF)
+			*c = 0;
+	}
+}
+
+int extension_board_scan(struct list_head *extension_list)
+{
+	struct extension *cape;
+	struct am335x_cape_eeprom_id eeprom_header;
+
+	int num_capes = 0;
+	int ret, i;
+	struct udevice *dev;
+	unsigned char addr;
+
+	char process_cape_part_number[17] = {'0'};
+	char process_cape_version[5] = {'0'};
+	uint8_t cursor = 0;
+
+	for (addr = CAPE_EEPROM_FIRST_ADDR; addr <= CAPE_EEPROM_LAST_ADDR; addr++) {
+		ret = i2c_get_chip_for_busnum(CONFIG_CAPE_EEPROM_BUS_NUM, addr, 1, &dev);
+		if (ret)
+			continue;
+
+		/* Move the read cursor to the beginning of the EEPROM */
+		dm_i2c_write(dev, 0, &cursor, 1);
+		ret = dm_i2c_read(dev, 0, (uint8_t *)&eeprom_header,
+				  sizeof(struct am335x_cape_eeprom_id));
+		if (ret) {
+			printf("Cannot read i2c EEPROM\n");
+			continue;
+		}
+
+		if (eeprom_header.header != CAPE_MAGIC)
+			continue;
+
+		sanitize_field(eeprom_header.board_name, sizeof(eeprom_header.board_name));
+		sanitize_field(eeprom_header.version, sizeof(eeprom_header.version));
+		sanitize_field(eeprom_header.manufacturer, sizeof(eeprom_header.manufacturer));
+		sanitize_field(eeprom_header.part_number, sizeof(eeprom_header.part_number));
+
+		/* Process cape part_number */
+		memset(process_cape_part_number, 0, sizeof(process_cape_part_number));
+		strncpy(process_cape_part_number, eeprom_header.part_number, 16);
+		/* Some capes end with '.' */
+		for (i = 15; i >= 0; i--) {
+			if (process_cape_part_number[i] == '.')
+				process_cape_part_number[i] = '\0';
+			else
+				break;
+		}
+
+		/* Process cape version */
+		memset(process_cape_version, 0, sizeof(process_cape_version));
+		strncpy(process_cape_version, eeprom_header.version, 4);
+		for (i = 0; i < 4; i++) {
+			if (process_cape_version[i] == 0)
+				process_cape_version[i] = '0';
+		}
+
+		printf("BeagleBone Cape: %s (0x%x)\n", eeprom_header.board_name, addr);
+
+		cape = calloc(1, sizeof(struct extension));
+		if (!cape) {
+			printf("Error in memory allocation\n");
+			return num_capes;
+		}
+
+		snprintf(cape->overlay, sizeof(cape->overlay), "%s-%s.dtbo",
+			 process_cape_part_number, process_cape_version);
+		strncpy(cape->name, eeprom_header.board_name, 32);
+		strncpy(cape->version, process_cape_version, 4);
+		strncpy(cape->owner, eeprom_header.manufacturer, 16);
+		list_add_tail(&cape->list, extension_list);
+		num_capes++;
+	}
+	return num_capes;
+}
diff --git a/roms/u-boot/board/ti/common/cape_detect.h b/roms/u-boot/board/ti/common/cape_detect.h
new file mode 100644
index 000000000..b0d5c9f18
--- /dev/null
+++ b/roms/u-boot/board/ti/common/cape_detect.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2021
+ * Köry Maincent, Bootlin, <kory.maincent@bootlin.com>
+ */
+
+#ifndef __CAPE_DETECT_H
+#define __CAPE_DETECT_H
+
+struct am335x_cape_eeprom_id {
+	unsigned int header;
+	char eeprom_rev[2];
+	char board_name[32];
+	char version[4];
+	char manufacturer[16];
+	char part_number[16];
+};
+
+#define CAPE_EEPROM_FIRST_ADDR	0x54
+#define CAPE_EEPROM_LAST_ADDR	0x57
+
+#define CAPE_EEPROM_ADDR_LEN 0x10
+
+#define CAPE_MAGIC 0xEE3355AA
+
+int extension_board_scan(struct list_head *extension_list);
+
+#endif /* __CAPE_DETECT_H */