Add board support for J784S4 SoC.
Signed-off-by: Hari Nagalla hnagalla@ti.com --- board/ti/j784s4/Kconfig | 61 ++++++++++++ board/ti/j784s4/MAINTAINERS | 7 ++ board/ti/j784s4/Makefile | 8 ++ board/ti/j784s4/evm.c | 180 ++++++++++++++++++++++++++++++++++++ 4 files changed, 256 insertions(+) create mode 100644 board/ti/j784s4/Kconfig create mode 100644 board/ti/j784s4/MAINTAINERS create mode 100644 board/ti/j784s4/Makefile create mode 100644 board/ti/j784s4/evm.c
diff --git a/board/ti/j784s4/Kconfig b/board/ti/j784s4/Kconfig new file mode 100644 index 0000000000..9b6e3bb3c4 --- /dev/null +++ b/board/ti/j784s4/Kconfig @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ +# Hari Nagalla hnagalla@ti.com + +choice + prompt "K3 J784S4 board" + optional + +config TARGET_J784S4_A72_EVM + bool "TI K3 based J784S4 EVM running on A72" + select ARM64 + select SOC_K3_J784S4 + select BOARD_LATE_INIT + select SYS_DISABLE_DCACHE_OPS + +config TARGET_J784S4_R5_EVM + bool "TI K3 based J784S4 EVM running on R5" + select CPU_V7R + select SYS_THUMB_BUILD + select SOC_K3_J784S4 + select K3_LOAD_SYSFW + select RAM + select SPL_RAM + select K3_DDRSS + imply SYS_K3_SPL_ATF + +endchoice + +if TARGET_J784S4_A72_EVM + +config SYS_BOARD + default "j784s4" + +config SYS_VENDOR + default "ti" + +config SYS_CONFIG_NAME + default "j784s4_evm" + +source "board/ti/common/Kconfig" + +endif + +if TARGET_J784S4_R5_EVM + +config SYS_BOARD + default "j784s4" + +config SYS_VENDOR + default "ti" + +config SYS_CONFIG_NAME + default "j784s4_evm" + +config SPL_LDSCRIPT + default "arch/arm/mach-omap2/u-boot-spl.lds" + +source "board/ti/common/Kconfig" + +endif diff --git a/board/ti/j784s4/MAINTAINERS b/board/ti/j784s4/MAINTAINERS new file mode 100644 index 0000000000..7b45e409c6 --- /dev/null +++ b/board/ti/j784s4/MAINTAINERS @@ -0,0 +1,7 @@ +J784S4 BOARD +M: Hari Nagalla hnagalla@ti.com +S: Maintained +F: board/ti/j784s4 +F: include/configs/j784s4_evm.h +F: configs/j784s4_evm_r5_defconfig +F: configs/j784s4_evm_a72_defconfig diff --git a/board/ti/j784s4/Makefile b/board/ti/j784s4/Makefile new file mode 100644 index 0000000000..fc98b24a2d --- /dev/null +++ b/board/ti/j784s4/Makefile @@ -0,0 +1,8 @@ +# +# Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ +# Hari Nagalla hnagalla@ti.com +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += evm.o diff --git a/board/ti/j784s4/evm.c b/board/ti/j784s4/evm.c new file mode 100644 index 0000000000..155abe53ca --- /dev/null +++ b/board/ti/j784s4/evm.c @@ -0,0 +1,180 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Board specific initialization for J784S4 EVM + * + * Copyright (C) 2022 Texas Instruments Incorporated - http://www.ti.com/ + * Hari Nagalla hnagalla@ti.com + * + */ + +#include <common.h> +#include <env.h> +#include <fdt_support.h> +#include <generic-phy.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/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_j784s4_evm() board_ti_k3_is("J784S4-EVM") + +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; +} + +phys_size_t board_get_usable_ram_top(phys_size_t 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 = 0x7fffffff; + 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 = 0x77fffffff; + gd->ram_size = 0x800000000; +#endif + + return 0; +} + +#ifdef CONFIG_SPL_LOAD_FIT +int board_fit_config_name_match(const char *name) +{ + if (!strcmp(name, "J784S4X-EVM")) + return 0; + + return -1; +} +#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); + + 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", "J784S4-EVM", "E1"); + else + printf("Board: %s rev %s\n", ep->name, ep->version); + + return 0; +} + +static void setup_board_eeprom_env(void) +{ + char *name = "j784s4"; + + if (do_board_detect()) + goto invalid_eeprom; + + if (board_is_j784s4_evm()) + name = "j784s4"; + 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); +} +#endif + +int board_late_init(void) +{ + if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) { + setup_board_eeprom_env(); + setup_serial(); + } + + return 0; +} + +void spl_board_init(void) +{ +}