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board: ti: j721s2: Add board support for J721S2
Add board support for J721S2 SoC. Signed-off-by: David Huang <d-huang@ti.com> Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
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63
board/ti/j721s2/Kconfig
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63
board/ti/j721s2/Kconfig
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@ -0,0 +1,63 @@
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# SPDX-License-Identifier: GPL-2.0+
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#
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# Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
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# David Huang <d-huang@ti.com>
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choice
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prompt "K3 J721S2 board"
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optional
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config TARGET_J721S2_A72_EVM
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bool "TI K3 based J721S2 EVM running on A72"
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select ARM64
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select SOC_K3_J721S2
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select BOARD_LATE_INIT
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imply TI_I2C_BOARD_DETECT
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select SYS_DISABLE_DCACHE_OPS
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config TARGET_J721S2_R5_EVM
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bool "TI K3 based J721S2 EVM running on R5"
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select CPU_V7R
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select SYS_THUMB_BUILD
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select SOC_K3_J721S2
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select K3_LOAD_SYSFW
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select RAM
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select SPL_RAM
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select K3_DDRSS
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imply SYS_K3_SPL_ATF
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imply TI_I2C_BOARD_DETECT
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endchoice
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if TARGET_J721S2_A72_EVM
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config SYS_BOARD
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default "j721s2"
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config SYS_VENDOR
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default "ti"
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config SYS_CONFIG_NAME
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default "j721s2_evm"
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source "board/ti/common/Kconfig"
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endif
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if TARGET_J721S2_R5_EVM
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config SYS_BOARD
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default "j721s2"
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config SYS_VENDOR
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default "ti"
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config SYS_CONFIG_NAME
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default "j721s2_evm"
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config SPL_LDSCRIPT
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default "arch/arm/mach-omap2/u-boot-spl.lds"
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source "board/ti/common/Kconfig"
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endif
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16
board/ti/j721s2/MAINTAINERS
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16
board/ti/j721s2/MAINTAINERS
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J721S2 BOARD
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M: Aswath Govindraju <a-govindraju@ti.com>
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S: Maintained
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F: board/ti/j721s2
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F: include/configs/j721s2_evm.h
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F: configs/j721s2_evm_r5_defconfig
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F: configs/j721s2_evm_a72_defconfig
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F: arch/arm/dts/k3-j721s2.dtsi
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F: arch/arm/dts/k3-j721s2-main.dtsi
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F: arch/arm/dts/k3-j721s2-mcu-wakeup.dtsi
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F: arch/arm/dts/k3-j721s2-som-p0.dtsi
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F: arch/arm/dts/k3-j721s2-common-proc-board.dts
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F: arch/arm/dts/k3-j721s2-common-proc-board-u-boot.dtsi
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F: arch/arm/dts//k3-j721s2-r5-common-proc-board.dts
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F: arch/arm/dts/k3-j721s2-ddr.dtsi
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F: arch/arm/dts/k3-j721s2-ddr-evm-lp4-4266.dtsi
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8
board/ti/j721s2/Makefile
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8
board/ti/j721s2/Makefile
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#
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# Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
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# David Huang <d-huang@ti.com>
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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obj-y += evm.o
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180
board/ti/j721s2/evm.c
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180
board/ti/j721s2/evm.c
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Board specific initialization for J721S2 EVM
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*
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* Copyright (C) 2021 Texas Instruments Incorporated - http://www.ti.com/
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* David Huang <d-huang@ti.com>
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*
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*/
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#include <common.h>
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#include <env.h>
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#include <fdt_support.h>
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#include <generic-phy.h>
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#include <image.h>
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#include <init.h>
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#include <log.h>
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#include <net.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/hardware.h>
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#include <asm/gpio.h>
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#include <asm/io.h>
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#include <spl.h>
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#include <asm/arch/sys_proto.h>
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#include <dm.h>
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#include <dm/uclass-internal.h>
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#include "../common/board_detect.h"
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#define board_is_j721s2_som() board_ti_k3_is("J721S2X-PM1-SOM")
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DECLARE_GLOBAL_DATA_PTR;
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int board_init(void)
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{
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return 0;
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}
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int dram_init(void)
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{
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#ifdef CONFIG_PHYS_64BIT
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gd->ram_size = 0x100000000;
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#else
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gd->ram_size = 0x80000000;
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#endif
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return 0;
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}
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ulong board_get_usable_ram_top(ulong total_size)
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{
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#ifdef CONFIG_PHYS_64BIT
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/* Limit RAM used by U-Boot to the DDR low region */
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if (gd->ram_top > 0x100000000)
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return 0x100000000;
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#endif
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return gd->ram_top;
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}
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int dram_init_banksize(void)
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{
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/* Bank 0 declares the memory available in the DDR low region */
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gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
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gd->bd->bi_dram[0].size = 0x7fffffff;
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gd->ram_size = 0x80000000;
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#ifdef CONFIG_PHYS_64BIT
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/* Bank 1 declares the memory available in the DDR high region */
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gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE1;
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gd->bd->bi_dram[1].size = 0x37fffffff;
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gd->ram_size = 0x400000000;
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#endif
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return 0;
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}
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#ifdef CONFIG_SPL_LOAD_FIT
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int board_fit_config_name_match(const char *name)
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{
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if (!strcmp(name, "k3-j721s2-common-proc-board"))
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return 0;
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return -1;
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}
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#endif
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#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, struct bd_info *bd)
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{
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int ret;
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ret = fdt_fixup_msmc_ram(blob, "/bus@100000", "sram@70000000");
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if (ret < 0)
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ret = fdt_fixup_msmc_ram(blob, "/interconnect@100000",
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"sram@70000000");
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if (ret)
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printf("%s: fixing up msmc ram failed %d\n", __func__, ret);
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return ret;
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}
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#endif
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#ifdef CONFIG_TI_I2C_BOARD_DETECT
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int do_board_detect(void)
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{
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int ret;
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ret = ti_i2c_eeprom_am6_get_base(CONFIG_EEPROM_BUS_ADDRESS,
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CONFIG_EEPROM_CHIP_ADDRESS);
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if (ret)
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pr_err("Reading on-board EEPROM at 0x%02x failed %d\n",
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CONFIG_EEPROM_CHIP_ADDRESS, ret);
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return ret;
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}
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int checkboard(void)
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{
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struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
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if (do_board_detect())
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/* EEPROM not populated */
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printf("Board: %s rev %s\n", "J721S2X-PM1-SOM", "E1");
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else
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printf("Board: %s rev %s\n", ep->name, ep->version);
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return 0;
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}
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static void setup_board_eeprom_env(void)
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{
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char *name = "j721s2";
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if (do_board_detect())
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goto invalid_eeprom;
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if (board_is_j721s2_som())
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name = "j721s2";
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else
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printf("Unidentified board claims %s in eeprom header\n",
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board_ti_get_name());
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invalid_eeprom:
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set_board_info_env_am6(name);
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}
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static void setup_serial(void)
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{
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struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
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unsigned long board_serial;
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char *endp;
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char serial_string[17] = { 0 };
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if (env_get("serial#"))
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return;
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board_serial = simple_strtoul(ep->serial, &endp, 16);
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if (*endp != '\0') {
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pr_err("Error: Can't set serial# to %s\n", ep->serial);
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return;
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}
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snprintf(serial_string, sizeof(serial_string), "%016lx", board_serial);
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env_set("serial#", serial_string);
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}
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#endif
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int board_late_init(void)
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{
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if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) {
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setup_board_eeprom_env();
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setup_serial();
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}
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return 0;
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}
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void spl_board_init(void)
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{
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}
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