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board: ti: j721s2: Add board support for J721S2

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Add board support for J721S2 SoC.

Signed-off-by: David Huang <d-huang@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
This commit is contained in:
David Huang 2022-01-25 20:56:37 +05:30 committed by Tom Rini
parent f993adb402
commit 5d9fadf960
4 changed files with 267 additions and 0 deletions
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63
board/ti/j721s2/Kconfig Normal file
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# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
# David Huang <d-huang@ti.com>
choice
prompt "K3 J721S2 board"
optional
config TARGET_J721S2_A72_EVM
bool "TI K3 based J721S2 EVM running on A72"
select ARM64
select SOC_K3_J721S2
select BOARD_LATE_INIT
imply TI_I2C_BOARD_DETECT
select SYS_DISABLE_DCACHE_OPS
config TARGET_J721S2_R5_EVM
bool "TI K3 based J721S2 EVM running on R5"
select CPU_V7R
select SYS_THUMB_BUILD
select SOC_K3_J721S2
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_J721S2_A72_EVM
config SYS_BOARD
default "j721s2"
config SYS_VENDOR
default "ti"
config SYS_CONFIG_NAME
default "j721s2_evm"
source "board/ti/common/Kconfig"
endif
if TARGET_J721S2_R5_EVM
config SYS_BOARD
default "j721s2"
config SYS_VENDOR
default "ti"
config SYS_CONFIG_NAME
default "j721s2_evm"
config SPL_LDSCRIPT
default "arch/arm/mach-omap2/u-boot-spl.lds"
source "board/ti/common/Kconfig"
endif

16
board/ti/j721s2/MAINTAINERS Normal file
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J721S2 BOARD
M: Aswath Govindraju <a-govindraju@ti.com>
S: Maintained
F: board/ti/j721s2
F: include/configs/j721s2_evm.h
F: configs/j721s2_evm_r5_defconfig
F: configs/j721s2_evm_a72_defconfig
F: arch/arm/dts/k3-j721s2.dtsi
F: arch/arm/dts/k3-j721s2-main.dtsi
F: arch/arm/dts/k3-j721s2-mcu-wakeup.dtsi
F: arch/arm/dts/k3-j721s2-som-p0.dtsi
F: arch/arm/dts/k3-j721s2-common-proc-board.dts
F: arch/arm/dts/k3-j721s2-common-proc-board-u-boot.dtsi
F: arch/arm/dts//k3-j721s2-r5-common-proc-board.dts
F: arch/arm/dts/k3-j721s2-ddr.dtsi
F: arch/arm/dts/k3-j721s2-ddr-evm-lp4-4266.dtsi

8
board/ti/j721s2/Makefile Normal file
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#
# Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
# David Huang <d-huang@ti.com>
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y += evm.o

180
board/ti/j721s2/evm.c Normal file
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// SPDX-License-Identifier: GPL-2.0+
/*
* Board specific initialization for J721S2 EVM
*
* Copyright (C) 2021 Texas Instruments Incorporated - http://www.ti.com/
* David Huang <d-huang@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_j721s2_som() board_ti_k3_is("J721S2X-PM1-SOM")
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 = 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 = 0x37fffffff;
gd->ram_size = 0x400000000;
#endif
return 0;
}
#ifdef CONFIG_SPL_LOAD_FIT
int board_fit_config_name_match(const char *name)
{
if (!strcmp(name, "k3-j721s2-common-proc-board"))
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", "J721S2X-PM1-SOM", "E1");
else
printf("Board: %s rev %s\n", ep->name, ep->version);
return 0;
}
static void setup_board_eeprom_env(void)
{
char *name = "j721s2";
if (do_board_detect())
goto invalid_eeprom;
if (board_is_j721s2_som())
name = "j721s2";
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)
{
}