diff options
Diffstat (limited to 'roms/u-boot/board/ti/j721e')
| -rw-r--r-- | roms/u-boot/board/ti/j721e/Kconfig | 116 | ||||
| -rw-r--r-- | roms/u-boot/board/ti/j721e/MAINTAINERS | 9 | ||||
| -rw-r--r-- | roms/u-boot/board/ti/j721e/Makefile | 8 | ||||
| -rw-r--r-- | roms/u-boot/board/ti/j721e/README | 274 | ||||
| -rw-r--r-- | roms/u-boot/board/ti/j721e/evm.c | 430 |
5 files changed, 837 insertions, 0 deletions
diff --git a/roms/u-boot/board/ti/j721e/Kconfig b/roms/u-boot/board/ti/j721e/Kconfig new file mode 100644 index 000000000..c28752a65 --- /dev/null +++ b/roms/u-boot/board/ti/j721e/Kconfig @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/ +# Lokesh Vutla <lokeshvutla@ti.com> + +choice + prompt "K3 J721E based boards" + optional + +config TARGET_J721E_A72_EVM + bool "TI K3 based J721E EVM running on A72" + select ARM64 + select SOC_K3_J721E + select BOARD_LATE_INIT + imply TI_I2C_BOARD_DETECT + select SYS_DISABLE_DCACHE_OPS + +config TARGET_J721E_R5_EVM + bool "TI K3 based J721E EVM running on R5" + select CPU_V7R + select SYS_THUMB_BUILD + select SOC_K3_J721E + select K3_LOAD_SYSFW + select RAM + select SPL_RAM + select K3_DDRSS + imply SYS_K3_SPL_ATF + imply TI_I2C_BOARD_DETECT + +config TARGET_J7200_A72_EVM + bool "TI K3 based J7200 EVM running on A72" + select ARM64 + select SOC_K3_J721E + select BOARD_LATE_INIT + imply TI_I2C_BOARD_DETECT + select SYS_DISABLE_DCACHE_OPS + +config TARGET_J7200_R5_EVM + bool "TI K3 based J7200 EVM running on R5" + select CPU_V7R + select SYS_THUMB_BUILD + select SOC_K3_J721E + select K3_LOAD_SYSFW + select RAM + select SPL_RAM + select K3_DDRSS + imply SYS_K3_SPL_ATF + imply TI_I2C_BOARD_DETECT + +endchoice + +if TARGET_J721E_A72_EVM + +config SYS_BOARD + default "j721e" + +config SYS_VENDOR + default "ti" + +config SYS_CONFIG_NAME + default "j721e_evm" + +source "board/ti/common/Kconfig" + +endif + +if TARGET_J721E_R5_EVM + +config SYS_BOARD + default "j721e" + +config SYS_VENDOR + default "ti" + +config SYS_CONFIG_NAME + default "j721e_evm" + +config SPL_LDSCRIPT + default "arch/arm/mach-omap2/u-boot-spl.lds" + +source "board/ti/common/Kconfig" + +endif + +if TARGET_J7200_A72_EVM + +config SYS_BOARD + default "j721e" + +config SYS_VENDOR + default "ti" + +config SYS_CONFIG_NAME + default "j721e_evm" + +source "board/ti/common/Kconfig" + +endif + +if TARGET_J7200_R5_EVM + +config SYS_BOARD + default "j721e" + +config SYS_VENDOR + default "ti" + +config SYS_CONFIG_NAME + default "j721e_evm" + +config SPL_LDSCRIPT + default "arch/arm/mach-omap2/u-boot-spl.lds" + +source "board/ti/common/Kconfig" + +endif diff --git a/roms/u-boot/board/ti/j721e/MAINTAINERS b/roms/u-boot/board/ti/j721e/MAINTAINERS new file mode 100644 index 000000000..4b13f46dd --- /dev/null +++ b/roms/u-boot/board/ti/j721e/MAINTAINERS @@ -0,0 +1,9 @@ +J721E BOARD +M: Lokesh Vutla <lokeshvutla@ti.com> +S: Maintained +F: board/ti/j721e +F: include/configs/j721e_evm.h +F: configs/j721e_evm_r5_defconfig +F: configs/j721e_evm_a72_defconfig +F: configs/j7200_evm_r5_defconfig +F: configs/j7200_evm_a72_defconfig diff --git a/roms/u-boot/board/ti/j721e/Makefile b/roms/u-boot/board/ti/j721e/Makefile new file mode 100644 index 000000000..97535f5d8 --- /dev/null +++ b/roms/u-boot/board/ti/j721e/Makefile @@ -0,0 +1,8 @@ +# +# Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/ +# Lokesh Vutla <lokeshvutla@ti.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += evm.o diff --git a/roms/u-boot/board/ti/j721e/README b/roms/u-boot/board/ti/j721e/README new file mode 100644 index 000000000..c33afa496 --- /dev/null +++ b/roms/u-boot/board/ti/j721e/README @@ -0,0 +1,274 @@ +Introduction: +------------- +The J721e family of SoCs are part of K3 Multicore SoC architecture platform +targeting automotive applications. They are designed as a low power, high +performance and highly integrated device architecture, adding significant +enhancement on processing power, graphics capability, video and imaging +processing, virtualization and coherent memory support. + +The device is partitioned into three functional domains, each containing +specific processing cores and peripherals: +1. Wake-up (WKUP) domain: + - Device Management and Security Controller (DMSC) +2. Microcontroller (MCU) domain: + - Dual Core ARM Cortex-R5F processor +3. MAIN domain: + - Dual core 64-bit ARM Cortex-A72 + - 2 x Dual cortex ARM Cortex-R5 subsystem + - 2 x C66x Digital signal processor sub system + - C71x Digital signal processor sub-system with MMA. + +More info can be found in TRM: http://www.ti.com/lit/pdf/spruil1 + +Boot Flow: +---------- +Boot flow is similar to that of AM65x SoC and extending it with remoteproc +support. Below is the pictorial representation of boot flow: + ++------------------------------------------------------------------------+-----------------------+ +| DMSC | MCU R5 | A72 | MAIN R5/C66x/C7x | ++------------------------------------------------------------------------+-----------------------+ +| +--------+ | | | | +| | Reset | | | | | +| +--------+ | | | | +| : | | | | +| +--------+ | +-----------+ | | | +| | *ROM* |----------|-->| Reset rls | | | | +| +--------+ | +-----------+ | | | +| | | | : | | | +| | ROM | | : | | | +| |services| | : | | | +| | | | +-------------+ | | | +| | | | | *R5 ROM* | | | | +| | | | +-------------+ | | | +| | |<---------|---|Load and auth| | | | +| | | | | tiboot3.bin | | | | +| | | | +-------------+ | | | +| | | | : | | | +| | | | : | | | +| | | | : | | | +| | | | +-------------+ | | | +| | | | | *R5 SPL* | | | | +| | | | +-------------+ | | | +| | | | | Load | | | | +| | | | | sysfw.itb | | | | +| | Start | | +-------------+ | | | +| | System |<---------|---| Start | | | | +| |Firmware| | | SYSFW | | | | +| +--------+ | +-------------+ | | | +| : | | | | | | +| +---------+ | | Load | | | | +| | *SYSFW* | | | system | | | | +| +---------+ | | Config data | | | | +| | |<--------|---| | | | | +| | | | +-------------+ | | | +| | | | | DDR | | | | +| | | | | config | | | | +| | | | +-------------+ | | | +| | | | | Load | | | | +| | | | | tispl.bin | | | | +| | | | +-------------+ | | | +| | | | | Load R5 | | | | +| | | | | firmware | | | | +| | | | +-------------+ | | | +| | |<--------|---| Start A72 | | | | +| | | | | and jump to | | | | +| | | | | next image | | | | +| | | | +-------------+ | | | +| | | | | +-----------+ | | +| | |---------|-----------------------|---->| Reset rls | | | +| | | | | +-----------+ | | +| | DMSC | | | : | | +| |Services | | | +-----------+ | | +| | |<--------|-----------------------|---->|*ATF/OPTEE*| | | +| | | | | +-----------+ | | +| | | | | : | | +| | | | | +-----------+ | | +| | |<--------|-----------------------|---->| *A72 SPL* | | | +| | | | | +-----------+ | | +| | | | | | Load | | | +| | | | | | u-boot.img| | | +| | | | | +-----------+ | | +| | | | | : | | +| | | | | +-----------+ | | +| | |<--------|-----------------------|---->| *U-Boot* | | | +| | | | | +-----------+ | | +| | | | | | prompt | | | +| | | | | +-----------+ | | +| | | | | | Load R5 | | | +| | | | | | Firmware | | | +| | | | | +-----------+ | | +| | |<--------|-----------------------|-----| Start R5 | | +-----------+ | +| | |---------|-----------------------|-----+-----------+-----|----->| R5 starts | | +| | | | | | Load C6 | | +-----------+ | +| | | | | | Firmware | | | +| | | | | +-----------+ | | +| | |<--------|-----------------------|-----| Start C6 | | +-----------+ | +| | |---------|-----------------------|-----+-----------+-----|----->| C6 starts | | +| | | | | | Load C7 | | +-----------+ | +| | | | | | Firmware | | | +| | | | | +-----------+ | | +| | |<--------|-----------------------|-----| Start C7 | | +-----------+ | +| | |---------|-----------------------|-----+-----------+-----|----->| C7 starts | | +| +---------+ | | | +-----------+ | +| | | | | ++------------------------------------------------------------------------+-----------------------+ + +- Here DMSC acts as master and provides all the critical services. R5/A72 +requests DMSC to get these services done as shown in the above diagram. + +Sources: +-------- +1. SYSFW: + Tree: git://git.ti.com/k3-image-gen/k3-image-gen.git + Branch: master + +2. ATF: + Tree: https://github.com/ARM-software/arm-trusted-firmware.git + Branch: master + +3. OPTEE: + Tree: https://github.com/OP-TEE/optee_os.git + Branch: master + +4. U-Boot: + Tree: https://source.denx.de/u-boot/u-boot + Branch: master + +Build procedure: +---------------- +1. SYSFW: +$ make CROSS_COMPILE=arm-linux-gnueabihf- + +2. ATF: +$ make CROSS_COMPILE=aarch64-linux-gnu- ARCH=aarch64 PLAT=k3 TARGET_BOARD=generic SPD=opteed + +3. OPTEE: +$ make PLATFORM=k3-j721e CFG_ARM64_core=y + +4. U-Boot: + +4.1. R5: +$ make CROSS_COMPILE=arm-linux-gnueabihf- j721e_evm_r5_defconfig O=/tmp/r5 +$ make CROSS_COMPILE=arm-linux-gnueabihf- O=/tmp/r5 + +4.2. A72: +$ make CROSS_COMPILE=aarch64-linux-gnu- j721e_evm_a72_defconfig O=/tmp/a72 +$ make CROSS_COMPILE=aarch64-linux-gnu- ATF=<path to ATF dir>/build/k3/generic/release/bl31.bin TEE=<path to OPTEE OS dir>/out/arm-plat-k3/core/tee-pager_v2.bin O=/tmp/a72 + +Target Images +-------------- +Copy the below images to an SD card and boot: +- sysfw.itb from step 1 +- tiboot3.bin from step 4.1 +- tispl.bin, u-boot.img from 4.2 + +Image formats: +-------------- + +- tiboot3.bin: + +-----------------------+ + | X.509 | + | Certificate | + | +-------------------+ | + | | | | + | | R5 | | + | | u-boot-spl.bin | | + | | | | + | +-------------------+ | + | | | | + | | FIT header | | + | | +---------------+ | | + | | | | | | + | | | DTB 1...N | | | + | | +---------------+ | | + | +-------------------+ | + +-----------------------+ + +- tispl.bin + +-----------------------+ + | | + | FIT HEADER | + | +-------------------+ | + | | | | + | | A72 ATF | | + | +-------------------+ | + | | | | + | | A72 OPTEE | | + | +-------------------+ | + | | | | + | | A72 SPL | | + | +-------------------+ | + | | | | + | | SPL DTB 1...N | | + | +-------------------+ | + +-----------------------+ + +- sysfw.itb + +-----------------------+ + | | + | FIT HEADER | + | +-------------------+ | + | | | | + | | sysfw.bin | | + | +-------------------+ | + | | | | + | | board config | | + | +-------------------+ | + | | | | + | | PM config | | + | +-------------------+ | + | | | | + | | RM config | | + | +-------------------+ | + | | | | + | | Secure config | | + | +-------------------+ | + +-----------------------+ + +OSPI: +----- +ROM supports booting from OSPI from offset 0x0. + +Flashing images to OSPI: + +Below commands can be used to download tiboot3.bin, tispl.bin, u-boot.img, +and sysfw.itb over tftp and then flash those to OSPI at their respective +addresses. + +=> sf probe +=> tftp ${loadaddr} tiboot3.bin +=> sf update $loadaddr 0x0 $filesize +=> tftp ${loadaddr} tispl.bin +=> sf update $loadaddr 0x80000 $filesize +=> tftp ${loadaddr} u-boot.img +=> sf update $loadaddr 0x280000 $filesize +=> tftp ${loadaddr} sysfw.itb +=> sf update $loadaddr 0x6C0000 $filesize + +Flash layout for OSPI: + + 0x0 +----------------------------+ + | ospi.tiboot3(512K) | + | | + 0x80000 +----------------------------+ + | ospi.tispl(2M) | + | | + 0x280000 +----------------------------+ + | ospi.u-boot(4M) | + | | + 0x680000 +----------------------------+ + | ospi.env(128K) | + | | + 0x6A0000 +----------------------------+ + | ospi.env.backup (128K) | + | | + 0x6C0000 +----------------------------+ + | ospi.sysfw(1M) | + | | + 0x7C0000 +----------------------------+ + | padding (256k) | + 0x800000 +----------------------------+ + | ospi.rootfs(UBIFS) | + | | + +----------------------------+ diff --git a/roms/u-boot/board/ti/j721e/evm.c b/roms/u-boot/board/ti/j721e/evm.c new file mode 100644 index 000000000..b9a9f1955 --- /dev/null +++ b/roms/u-boot/board/ti/j721e/evm.c @@ -0,0 +1,430 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Board specific initialization for J721E EVM + * + * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/ + * Lokesh Vutla <lokeshvutla@ti.com> + * + */ + +#include <common.h> +#include <env.h> +#include <fdt_support.h> +#include <image.h> +#include <init.h> +#include <log.h> +#include <net.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/hardware.h> +#include <asm/global_data.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <spl.h> +#include <asm/arch/sys_proto.h> +#include <dm.h> +#include <dm/uclass-internal.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_j7200_som() board_ti_k3_is("J7200X-PM1-SOM") + +/* 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) +{ +#ifdef CONFIG_PHYS_64BIT + gd->ram_size = 0x100000000; +#else + gd->ram_size = 0x80000000; +#endif + + return 0; +} + +ulong board_get_usable_ram_top(ulong total_size) +{ +#ifdef CONFIG_PHYS_64BIT + /* Limit RAM used by U-Boot to the DDR low region */ + if (gd->ram_top > 0x100000000) + return 0x100000000; +#endif + + 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 = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = 0x80000000; + gd->ram_size = 0x80000000; + +#ifdef CONFIG_PHYS_64BIT + /* Bank 1 declares the memory available in the DDR high region */ + gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE1; + gd->bd->bi_dram[1].size = 0x80000000; + gd->ram_size = 0x100000000; +#endif + + return 0; +} + +#ifdef CONFIG_SPL_LOAD_FIT +int board_fit_config_name_match(const char *name) +{ + if (!strcmp(name, "k3-j721e-common-proc-board")) + 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}; + + if (dm_gpio_lookup_name("6", &desc)) + return; + + if (dm_gpio_request(&desc, "6")) + 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) +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) +{ + int ret; + + ret = fdt_fixup_msmc_ram(blob, "/bus@100000", "sram@70000000"); + if (ret < 0) + ret = fdt_fixup_msmc_ram(blob, "/interconnect@100000", + "sram@70000000"); + if (ret) + printf("%s: fixing up msmc ram failed %d\n", __func__, ret); + + detect_enable_hyperflash(blob); + + return ret; +} +#endif + +#ifdef CONFIG_TI_I2C_BOARD_DETECT +int do_board_detect(void) +{ + int ret; + + ret = ti_i2c_eeprom_am6_get_base(CONFIG_EEPROM_BUS_ADDRESS, + CONFIG_EEPROM_CHIP_ADDRESS); + if (ret) + pr_err("Reading on-board EEPROM at 0x%02x failed %d\n", + CONFIG_EEPROM_CHIP_ADDRESS, 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; +} + +static void setup_board_eeprom_env(void) +{ + char *name = "j721e"; + + if (do_board_detect()) + goto invalid_eeprom; + + if (board_is_j721e_som()) + name = "j721e"; + 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 = simple_strtoul(ep->serial, &endp, 16); + 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); +} + +/* + * 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; + +#ifndef 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]); + } +#endif + } +#ifndef 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); +#endif + + return 0; +} +#endif + +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 */ + probe_daughtercards(); + } + + return 0; +} + +void spl_board_init(void) +{ +#if defined(CONFIG_ESM_K3) || defined(CONFIG_ESM_PMIC) + struct udevice *dev; + int ret; +#endif + + if ((IS_ENABLED(CONFIG_TARGET_J721E_A72_EVM) || + IS_ENABLED(CONFIG_TARGET_J7200_A72_EVM)) && + IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) + probe_daughtercards(); + +#ifdef CONFIG_ESM_K3 + if (board_ti_k3_is("J721EX-PM2-SOM")) { + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_DRIVER_GET(k3_esm), &dev); + if (ret) + printf("ESM init failed: %d\n", ret); + } +#endif + +#ifdef CONFIG_ESM_PMIC + if (board_ti_k3_is("J721EX-PM2-SOM")) { + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_DRIVER_GET(pmic_esm), + &dev); + if (ret) + printf("ESM PMIC init failed: %d\n", ret); + } +#endif +} |