[PATCH 08/15] board: ti: j721e: evm: Split code to isolate eeprom detected logic
Nishanth Menon
nm at ti.com
Fri Nov 3 01:37:58 CET 2023
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 <nm at 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 <lokeshvutla at 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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