Move code out of evm.c that is based on evm specific checks for board
variants and initialization sequences there of.

Signed-off-by: Nishanth Menon <n...@ti.com>
---
 board/ti/j721e/Makefile                    |   1 +
 board/ti/j721e/{evm.c => board-variants.c} | 172 +--------
 board/ti/j721e/evm.c                       | 409 +--------------------
 board/ti/j721e/evm.h                       |  24 ++
 4 files changed, 53 insertions(+), 553 deletions(-)
 copy board/ti/j721e/{evm.c => board-variants.c} (75%)
 create mode 100644 board/ti/j721e/evm.h

diff --git a/board/ti/j721e/Makefile b/board/ti/j721e/Makefile
index 97535f5d86d1..f42fcf5c463b 100644
--- a/board/ti/j721e/Makefile
+++ b/board/ti/j721e/Makefile
@@ -6,3 +6,4 @@
 #
 
 obj-y  += evm.o
+obj-${CONFIG_TI_I2C_BOARD_DETECT} += board-variants.o
diff --git a/board/ti/j721e/evm.c b/board/ti/j721e/board-variants.c
similarity index 75%
copy from board/ti/j721e/evm.c
copy to board/ti/j721e/board-variants.c
index 0fc141776818..ada0a9238981 100644
--- a/board/ti/j721e/evm.c
+++ b/board/ti/j721e/board-variants.c
@@ -1,22 +1,21 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Board specific initialization for J721E EVM
+ * Board variation detection and management based on EEPROM detect logic
  *
- * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
- *     Lokesh Vutla <lokeshvu...@ti.com>
+ * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
  *
  */
 
 #include <common.h>
-#include <generic-phy.h>
+#include <dm.h>
 #include <image.h>
 #include <net.h>
+#include <spl.h>
 #include <asm/arch/hardware.h>
 #include <asm/gpio.h>
-#include <spl.h>
-#include <dm.h>
 
 #include "../common/board_detect.h"
+#include "evm.h"
 
 #define board_is_j721e_som()   (board_ti_k3_is("J721EX-PM1-SOM") || \
                                 board_ti_k3_is("J721EX-PM2-SOM"))
@@ -30,49 +29,6 @@
 /* Max number of MAC addresses that are parsed/processed per daughter card */
 #define DAUGHTER_CARD_NO_OF_MAC_ADDR   8
 
-DECLARE_GLOBAL_DATA_PTR;
-
-int board_init(void)
-{
-       return 0;
-}
-
-int dram_init(void)
-{
-       if (IS_ENABLED(CONFIG_PHYS_64BIT))
-               gd->ram_size = 0x100000000;
-       else
-               gd->ram_size = 0x80000000;
-
-       return 0;
-}
-
-phys_addr_t board_get_usable_ram_top(phys_size_t total_size)
-{
-       /* Limit RAM used by U-Boot to the DDR low region */
-       if (IS_ENABLED(CONFIG_PHYS_64BIT) && gd->ram_top > 0x100000000)
-               return 0x100000000;
-
-       return gd->ram_top;
-}
-
-int dram_init_banksize(void)
-{
-       /* Bank 0 declares the memory available in the DDR low region */
-       gd->bd->bi_dram[0].start = CFG_SYS_SDRAM_BASE;
-       gd->bd->bi_dram[0].size = 0x80000000;
-       gd->ram_size = 0x80000000;
-
-       if (IS_ENABLED(CONFIG_PHYS_64BIT)) {
-               /* Bank 1 declares the memory available in the DDR high region 
*/
-               gd->bd->bi_dram[1].start = CFG_SYS_SDRAM_BASE1;
-               gd->bd->bi_dram[1].size = 0x80000000;
-               gd->ram_size = 0x100000000;
-       }
-
-       return 0;
-}
-
 #ifdef CONFIG_SPL_LOAD_FIT
 int board_fit_config_name_match(const char *name)
 {
@@ -138,7 +94,6 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 }
 #endif
 
-#ifdef CONFIG_TI_I2C_BOARD_DETECT
 int do_board_detect(void)
 {
        int ret;
@@ -348,74 +303,7 @@ static int probe_daughtercards(void)
 
        return 0;
 }
-#endif
-
-void configure_serdes_torrent(void)
-{
-       struct udevice *dev;
-       struct phy serdes;
-       int ret;
-
-       ret = uclass_get_device_by_driver(UCLASS_PHY,
-                                         DM_DRIVER_GET(torrent_phy_provider),
-                                         &dev);
-       if (ret) {
-               printf("Torrent init failed:%d\n", ret);
-               return;
-       }
-
-       serdes.dev = dev;
-       serdes.id = 0;
-
-       ret = generic_phy_init(&serdes);
-       if (ret) {
-               printf("phy_init failed!!: %d\n", ret);
-               return;
-       }
 
-       ret = generic_phy_power_on(&serdes);
-       if (ret) {
-               printf("phy_power_on failed!!: %d\n", ret);
-               return;
-       }
-}
-
-void configure_serdes_sierra(void)
-{
-       struct udevice *dev, *link_dev;
-       struct phy link;
-       int ret, count, i;
-       int link_count = 0;
-
-       ret = uclass_get_device_by_driver(UCLASS_MISC,
-                                         DM_DRIVER_GET(sierra_phy_provider),
-                                         &dev);
-       if (ret) {
-               printf("Sierra init failed:%d\n", ret);
-               return;
-       }
-
-       count = device_get_child_count(dev);
-       for (i = 0; i < count; i++) {
-               ret = device_get_child(dev, i, &link_dev);
-               if (ret) {
-                       printf("probe of sierra child node %d failed: %d\n", i, 
ret);
-                       return;
-               }
-               if (link_dev->driver->id == UCLASS_PHY) {
-                       link.dev = link_dev;
-                       link.id = link_count++;
-
-                       ret = generic_phy_power_on(&link);
-                       if (ret) {
-                               printf("phy_power_on failed!!: %d\n", ret);
-                               return;
-                       }
-               }
-       }
-}
-
-#ifdef CONFIG_BOARD_LATE_INIT
 static void setup_board_eeprom_env(void)
 {
        char *name = "j721e";
@@ -457,27 +345,6 @@ static void setup_serial(void)
        env_set("serial#", serial_string);
 }
 
-int board_late_init(void)
-{
-       if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) {
-               setup_board_eeprom_env();
-               setup_serial();
-
-               /* Check for and probe any plugged-in daughtercards */
-               if (board_is_j721e_som() || board_is_j7200_som())
-                       probe_daughtercards();
-       }
-
-       if (IS_ENABLED(CONFIG_PHY_CADENCE_TORRENT))
-               configure_serdes_torrent();
-
-       if (IS_ENABLED(CONFIG_PHY_CADENCE_SIERRA))
-               configure_serdes_sierra();
-
-       return 0;
-}
-#endif
-
 static int __maybe_unused detect_SW3_1_state(void)
 {
        if (IS_ENABLED(CONFIG_TARGET_J7200_A72_EVM) || 
IS_ENABLED(CONFIG_TARGET_J721E_A72_EVM)) {
@@ -513,11 +380,20 @@ err_free_gpio:
        }
 }
 
-void spl_board_init(void)
+int variant_board_late_init(void)
 {
-       struct udevice *dev;
-       int ret;
+       setup_board_eeprom_env();
+       setup_serial();
+
+       /* Check for and probe any plugged-in daughtercards */
+       if (board_is_j721e_som() || board_is_j7200_som())
+               probe_daughtercards();
 
+       return 0;
+}
+
+void variant_spl_board_init(void)
+{
        if ((IS_ENABLED(CONFIG_TARGET_J721E_A72_EVM) ||
             IS_ENABLED(CONFIG_TARGET_J7200_A72_EVM)) &&
            IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) {
@@ -525,20 +401,6 @@ void spl_board_init(void)
                        probe_daughtercards();
        }
 
-       if (IS_ENABLED(CONFIG_ESM_K3)) {
-               ret = uclass_get_device_by_driver(UCLASS_MISC,
-                                                 DM_DRIVER_GET(k3_esm), &dev);
-               if (ret)
-                       printf("ESM init failed: %d\n", ret);
-       }
-
-       if (IS_ENABLED(CONFIG_ESM_PMIC)) {
-               ret = uclass_get_device_by_driver(UCLASS_MISC,
-                                                 DM_DRIVER_GET(pmic_esm),
-                                                 &dev);
-               if (ret)
-                       printf("ESM PMIC init failed: %d\n", ret);
-       }
        if ((IS_ENABLED(CONFIG_TARGET_J7200_A72_EVM) || 
IS_ENABLED(CONFIG_TARGET_J721E_A72_EVM)) &&
            IS_ENABLED(CONFIG_HBMC_AM654)) {
                struct udevice *dev;
diff --git a/board/ti/j721e/evm.c b/board/ti/j721e/evm.c
index 0fc141776818..1c1cd106ba72 100644
--- a/board/ti/j721e/evm.c
+++ b/board/ti/j721e/evm.c
@@ -8,27 +8,10 @@
  */
 
 #include <common.h>
-#include <generic-phy.h>
-#include <image.h>
-#include <net.h>
-#include <asm/arch/hardware.h>
-#include <asm/gpio.h>
-#include <spl.h>
 #include <dm.h>
+#include <generic-phy.h>
 
-#include "../common/board_detect.h"
-
-#define board_is_j721e_som()   (board_ti_k3_is("J721EX-PM1-SOM") || \
-                                board_ti_k3_is("J721EX-PM2-SOM"))
-
-#define board_is_j721e_sk()    (board_ti_k3_is("J721EX-EAIK") || \
-                                board_ti_k3_is("J721EX-SK"))
-
-#define board_is_j7200_som()   (board_ti_k3_is("J7200X-PM1-SOM") || \
-                                board_ti_k3_is("J7200X-PM2-SOM"))
-
-/* Max number of MAC addresses that are parsed/processed per daughter card */
-#define DAUGHTER_CARD_NO_OF_MAC_ADDR   8
+#include "evm.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -73,283 +56,6 @@ int dram_init_banksize(void)
        return 0;
 }
 
-#ifdef CONFIG_SPL_LOAD_FIT
-int board_fit_config_name_match(const char *name)
-{
-       bool eeprom_read = board_ti_was_eeprom_read();
-
-       if (!eeprom_read || board_is_j721e_som()) {
-               if (!strcmp(name, "k3-j721e-common-proc-board") ||
-                   !strcmp(name, "k3-j721e-r5-common-proc-board"))
-                       return 0;
-       } else if (board_is_j721e_sk()) {
-               if (!strcmp(name, "k3-j721e-sk") ||
-                   !strcmp(name, "k3-j721e-r5-sk"))
-                       return 0;
-       }
-
-       return -1;
-}
-#endif
-
-#if CONFIG_IS_ENABLED(DM_GPIO) && CONFIG_IS_ENABLED(OF_LIBFDT)
-/* Returns 1, if onboard mux is set to hyperflash */
-static void __maybe_unused detect_enable_hyperflash(void *blob)
-{
-       struct gpio_desc desc = {0};
-       char *hypermux_sel_gpio = (board_is_j721e_som()) ? "8" : "6";
-
-       if (dm_gpio_lookup_name(hypermux_sel_gpio, &desc))
-               return;
-
-       if (dm_gpio_request(&desc, hypermux_sel_gpio))
-               return;
-
-       if (dm_gpio_set_dir_flags(&desc, GPIOD_IS_IN))
-               return;
-
-       if (dm_gpio_get_value(&desc)) {
-               int offset;
-
-               do_fixup_by_compat(blob, "ti,am654-hbmc", "status",
-                                  "okay", sizeof("okay"), 0);
-               offset = fdt_node_offset_by_compatible(blob, -1,
-                                                      "ti,am654-ospi");
-               fdt_setprop(blob, offset, "status", "disabled",
-                           sizeof("disabled"));
-       }
-}
-#endif
-
-#if defined(CONFIG_SPL_BUILD) && (defined(CONFIG_TARGET_J7200_A72_EVM) || 
defined(CONFIG_TARGET_J7200_R5_EVM) || \
-                                       defined(CONFIG_TARGET_J721E_A72_EVM) || 
defined(CONFIG_TARGET_J721E_R5_EVM))
-void spl_perform_fixups(struct spl_image_info *spl_image)
-{
-       detect_enable_hyperflash(spl_image->fdt_addr);
-}
-#endif
-
-#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
-int ft_board_setup(void *blob, struct bd_info *bd)
-{
-       detect_enable_hyperflash(blob);
-
-       return 0;
-}
-#endif
-
-#ifdef CONFIG_TI_I2C_BOARD_DETECT
-int do_board_detect(void)
-{
-       int ret;
-
-       if (board_ti_was_eeprom_read())
-               return 0;
-
-       ret = ti_i2c_eeprom_am6_get_base(CONFIG_EEPROM_BUS_ADDRESS,
-                                        CONFIG_EEPROM_CHIP_ADDRESS);
-       if (ret) {
-               printf("EEPROM not available at 0x%02x, trying to read at 
0x%02x\n",
-                      CONFIG_EEPROM_CHIP_ADDRESS, CONFIG_EEPROM_CHIP_ADDRESS + 
1);
-               ret = ti_i2c_eeprom_am6_get_base(CONFIG_EEPROM_BUS_ADDRESS,
-                                                CONFIG_EEPROM_CHIP_ADDRESS + 
1);
-               if (ret)
-                       pr_err("Reading on-board EEPROM at 0x%02x failed %d\n",
-                              CONFIG_EEPROM_CHIP_ADDRESS + 1, ret);
-       }
-
-       return ret;
-}
-
-int checkboard(void)
-{
-       struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
-
-       if (do_board_detect())
-               /* EEPROM not populated */
-               printf("Board: %s rev %s\n", "J721EX-PM1-SOM", "E2");
-       else
-               printf("Board: %s rev %s\n", ep->name, ep->version);
-
-       return 0;
-}
-
-/*
- * Declaration of daughtercards to probe. Note that when adding more
- * cards they should be grouped by the 'i2c_addr' field to allow for a
- * more efficient probing process.
- */
-static const struct {
-       u8 i2c_addr;            /* I2C address of card EEPROM */
-       char *card_name;        /* EEPROM-programmed card name */
-       char *dtbo_name;        /* Device tree overlay to apply */
-       u8 eth_offset;          /* ethXaddr MAC address index offset */
-} ext_cards[] = {
-       {
-               0x51,
-               "J7X-BASE-CPB",
-               "",             /* No dtbo for this board */
-               0,
-       },
-       {
-               0x52,
-               "J7X-INFOTAN-EXP",
-               "",             /* No dtbo for this board */
-               0,
-       },
-       {
-               0x52,
-               "J7X-GESI-EXP",
-               "",             /* No dtbo for this board */
-               5,              /* Start populating from eth5addr */
-       },
-       {
-               0x54,
-               "J7X-VSC8514-ETH",
-               "",             /* No dtbo for this board */
-               1,              /* Start populating from eth1addr */
-       },
-};
-
-static bool daughter_card_detect_flags[ARRAY_SIZE(ext_cards)];
-
-const char *board_fit_get_additionnal_images(int index, const char *type)
-{
-       int i, j;
-
-       if (strcmp(type, FIT_FDT_PROP))
-               return NULL;
-
-       j = 0;
-       for (i = 0; i < ARRAY_SIZE(ext_cards); i++) {
-               if (daughter_card_detect_flags[i]) {
-                       if (j == index) {
-                               /*
-                                * Return dtbo name only if populated,
-                                * otherwise stop parsing here.
-                                */
-                               if (strlen(ext_cards[i].dtbo_name))
-                                       return ext_cards[i].dtbo_name;
-                               else
-                                       return NULL;
-                       };
-
-                       j++;
-               }
-       }
-
-       return NULL;
-}
-
-static int probe_daughtercards(void)
-{
-       char mac_addr[DAUGHTER_CARD_NO_OF_MAC_ADDR][TI_EEPROM_HDR_ETH_ALEN];
-       bool eeprom_read_success;
-       struct ti_am6_eeprom ep;
-       u8 previous_i2c_addr;
-       u8 mac_addr_cnt;
-       int i;
-       int ret;
-
-       /* Mark previous I2C address variable as not populated */
-       previous_i2c_addr = 0xff;
-
-       /* No EEPROM data was read yet */
-       eeprom_read_success = false;
-
-       /* Iterate through list of daughtercards */
-       for (i = 0; i < ARRAY_SIZE(ext_cards); i++) {
-               /* Obtain card-specific I2C address */
-               u8 i2c_addr = ext_cards[i].i2c_addr;
-
-               /* Read card EEPROM if not already read previously */
-               if (i2c_addr != previous_i2c_addr) {
-                       /* Store I2C address so we can avoid reading twice */
-                       previous_i2c_addr = i2c_addr;
-
-                       /* Get and parse the daughter card EEPROM record */
-                       ret = ti_i2c_eeprom_am6_get(CONFIG_EEPROM_BUS_ADDRESS,
-                                                   i2c_addr,
-                                                   &ep,
-                                                   (char **)mac_addr,
-                                                   
DAUGHTER_CARD_NO_OF_MAC_ADDR,
-                                                   &mac_addr_cnt);
-                       if (ret) {
-                               debug("%s: No daughtercard EEPROM at 0x%02x 
found %d\n",
-                                     __func__, i2c_addr, ret);
-                               eeprom_read_success = false;
-                               /* Skip to the next daughtercard to probe */
-                               continue;
-                       }
-
-                       /* EEPROM read successful, okay to further process. */
-                       eeprom_read_success = true;
-               }
-
-               /* Only continue processing if EEPROM data was read */
-               if (!eeprom_read_success)
-                       continue;
-
-               /* Only process the parsed data if we found a match */
-               if (strncmp(ep.name, ext_cards[i].card_name, sizeof(ep.name)))
-                       continue;
-
-               printf("Detected: %s rev %s\n", ep.name, ep.version);
-               daughter_card_detect_flags[i] = true;
-
-               if (!IS_ENABLED(CONFIG_SPL_BUILD)) {
-                       int j;
-                       /*
-                        * Populate any MAC addresses from daughtercard into 
the U-Boot
-                        * environment, starting with a card-specific offset so 
we can
-                        * have multiple ext_cards contribute to the MAC pool 
in a well-
-                        * defined manner.
-                        */
-                       for (j = 0; j < mac_addr_cnt; j++) {
-                               if (!is_valid_ethaddr((u8 *)mac_addr[j]))
-                                       continue;
-
-                               eth_env_set_enetaddr_by_index("eth",
-                                                             
ext_cards[i].eth_offset + j,
-                                                             (uchar 
*)mac_addr[j]);
-                       }
-               }
-       }
-
-       if (!IS_ENABLED(CONFIG_SPL_BUILD)) {
-               char name_overlays[1024] = { 0 };
-
-               for (i = 0; i < ARRAY_SIZE(ext_cards); i++) {
-                       if (!daughter_card_detect_flags[i])
-                               continue;
-
-                       /* Skip if no overlays are to be added */
-                       if (!strlen(ext_cards[i].dtbo_name))
-                               continue;
-
-                       /*
-                        * Make sure we are not running out of buffer space by 
checking
-                        * if we can fit the new overlay, a trailing space to 
be used
-                        * as a separator, plus the terminating zero.
-                        */
-                       if (strlen(name_overlays) + 
strlen(ext_cards[i].dtbo_name) + 2 >
-                           sizeof(name_overlays))
-                               return -ENOMEM;
-
-                       /* Append to our list of overlays */
-                       strcat(name_overlays, ext_cards[i].dtbo_name);
-                       strcat(name_overlays, " ");
-               }
-
-               /* Apply device tree overlay(s) to the U-Boot environment, if 
any */
-               if (strlen(name_overlays))
-                       return env_set("name_overlays", name_overlays);
-       }
-
-       return 0;
-}
-#endif
-
 void configure_serdes_torrent(void)
 {
        struct udevice *dev;
@@ -415,59 +121,8 @@ void configure_serdes_sierra(void)
        }
 }
 
-#ifdef CONFIG_BOARD_LATE_INIT
-static void setup_board_eeprom_env(void)
+int board_serdes_late_init(void)
 {
-       char *name = "j721e";
-
-       if (do_board_detect())
-               goto invalid_eeprom;
-
-       if (board_is_j721e_som())
-               name = "j721e";
-       else if (board_is_j721e_sk())
-               name = "j721e-sk";
-       else if (board_is_j7200_som())
-               name = "j7200";
-       else
-               printf("Unidentified board claims %s in eeprom header\n",
-                      board_ti_get_name());
-
-invalid_eeprom:
-       set_board_info_env_am6(name);
-}
-
-static void setup_serial(void)
-{
-       struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
-       unsigned long board_serial;
-       char *endp;
-       char serial_string[17] = { 0 };
-
-       if (env_get("serial#"))
-               return;
-
-       board_serial = hextoul(ep->serial, &endp);
-       if (*endp != '\0') {
-               pr_err("Error: Can't set serial# to %s\n", ep->serial);
-               return;
-       }
-
-       snprintf(serial_string, sizeof(serial_string), "%016lx", board_serial);
-       env_set("serial#", serial_string);
-}
-
-int board_late_init(void)
-{
-       if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) {
-               setup_board_eeprom_env();
-               setup_serial();
-
-               /* Check for and probe any plugged-in daughtercards */
-               if (board_is_j721e_som() || board_is_j7200_som())
-                       probe_daughtercards();
-       }
-
        if (IS_ENABLED(CONFIG_PHY_CADENCE_TORRENT))
                configure_serdes_torrent();
 
@@ -476,41 +131,18 @@ int board_late_init(void)
 
        return 0;
 }
-#endif
 
-static int __maybe_unused detect_SW3_1_state(void)
+int board_late_init(void)
 {
-       if (IS_ENABLED(CONFIG_TARGET_J7200_A72_EVM) || 
IS_ENABLED(CONFIG_TARGET_J721E_A72_EVM)) {
-               struct gpio_desc desc = {0};
-               int ret;
-               char *hypermux_sel_gpio = (board_is_j721e_som()) ? "8" : "6";
-
-               ret = dm_gpio_lookup_name(hypermux_sel_gpio, &desc);
-               if (ret) {
-                       printf("error getting GPIO lookup name: %d\n", ret);
-                       return ret;
-               }
-
-               ret = dm_gpio_request(&desc, hypermux_sel_gpio);
-               if (ret) {
-                       printf("error requesting GPIO: %d\n", ret);
-                       goto err_free_gpio;
-               }
+       int ret;
 
-               ret = dm_gpio_set_dir_flags(&desc, GPIOD_IS_IN);
-               if (ret) {
-                       printf("error setting direction flag of GPIO: %d\n", 
ret);
-                       goto err_free_gpio;
-               }
+       ret = variant_board_late_init();
+       if (ret)
+               return ret;
 
-               ret = dm_gpio_get_value(&desc);
-               if (ret < 0)
-                       printf("error getting value of GPIO: %d\n", ret);
+       board_serdes_late_init();
 
-err_free_gpio:
-               dm_gpio_free(desc.dev, &desc);
-               return ret;
-       }
+       return 0;
 }
 
 void spl_board_init(void)
@@ -518,13 +150,6 @@ void spl_board_init(void)
        struct udevice *dev;
        int ret;
 
-       if ((IS_ENABLED(CONFIG_TARGET_J721E_A72_EVM) ||
-            IS_ENABLED(CONFIG_TARGET_J7200_A72_EVM)) &&
-           IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) {
-               if (!board_is_j721e_sk())
-                       probe_daughtercards();
-       }
-
        if (IS_ENABLED(CONFIG_ESM_K3)) {
                ret = uclass_get_device_by_driver(UCLASS_MISC,
                                                  DM_DRIVER_GET(k3_esm), &dev);
@@ -539,18 +164,6 @@ void spl_board_init(void)
                if (ret)
                        printf("ESM PMIC init failed: %d\n", ret);
        }
-       if ((IS_ENABLED(CONFIG_TARGET_J7200_A72_EVM) || 
IS_ENABLED(CONFIG_TARGET_J721E_A72_EVM)) &&
-           IS_ENABLED(CONFIG_HBMC_AM654)) {
-               struct udevice *dev;
-               int ret;
 
-               ret = detect_SW3_1_state();
-               if (ret == 1) {
-                       ret = uclass_get_device_by_driver(UCLASS_MTD,
-                                                         
DM_DRIVER_GET(hbmc_am654),
-                                                         &dev);
-                       if (ret)
-                               debug("Failed to probe hyperflash\n");
-               }
-       }
+       variant_spl_board_init();
 }
diff --git a/board/ti/j721e/evm.h b/board/ti/j721e/evm.h
new file mode 100644
index 000000000000..8f8681817586
--- /dev/null
+++ b/board/ti/j721e/evm.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Board detected logic initialization abstraction
+ *
+ * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ */
+
+#ifndef __J72E_EVM_H
+#define __J72E_EVM_H
+
+#ifdef CONFIG_TI_I2C_BOARD_DETECT
+
+int variant_board_late_init(void);
+void variant_spl_board_init(void);
+
+#else /* CONFIG_TI_I2C_BOARD_DETECT */
+
+static inline int variant_board_late_init(void) { return 0; }
+static inline void variant_spl_board_init(void) { }
+
+#endif /* CONFIG_TI_I2C_BOARD_DETECT */
+
+#endif /* __J72E_EVM_H */
-- 
2.40.0

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