random-mirrors/smaeul-u-boot
1
0
Fork 0
mirror of https://github.com/smaeul/u-boot.git synced 2025-11-26 22:01:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

board: ti: Introduce the basic files to support AM62 SK board

Browse Source 
Add basic support for AM62 SK. This has 2GB DDR.
Note that stack for R5 SPL is in OCRAM @ 0x7000ffff so that is away from
BSS and does not step on BSS section

Add only the bare minimum required to support UART and SD.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Suman Anna 2022-05-25 13:38:47 +05:30 committed by Tom Rini
parent 1b2f4697c0
commit 900349b7dd
4 changed files with 107 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/mach-k3/Kconfig
View File

@ -178,6 +178,7 @@ config K3_DM_FW
source "board/ti/am65x/Kconfig"
source "board/ti/am64x/Kconfig"
source "board/ti/am62x/Kconfig"
source "board/ti/j721e/Kconfig"
source "board/siemens/iot2050/Kconfig"
source "board/ti/j721s2/Kconfig"

59
board/ti/am62x/Kconfig Normal file
View File

@ -0,0 +1,59 @@
# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
# Suman Anna <s-anna@ti.com>
choice
prompt "TI K3 AM62x based boards"
optional
config TARGET_AM625_A53_EVM
bool "TI K3 based AM625 EVM running on A53"
select ARM64
select SOC_K3_AM625
config TARGET_AM625_R5_EVM
bool "TI K3 based AM625 EVM running on R5"
select CPU_V7R
select SYS_THUMB_BUILD
select K3_LOAD_SYSFW
select SOC_K3_AM625
select RAM
select SPL_RAM
select K3_DDRSS
imply SYS_K3_SPL_ATF
endchoice
if TARGET_AM625_A53_EVM
config SYS_BOARD
default "am62x"
config SYS_VENDOR
default "ti"
config SYS_CONFIG_NAME
default "am62x_evm"
source "board/ti/common/Kconfig"
endif
if TARGET_AM625_R5_EVM
config SYS_BOARD
default "am62x"
config SYS_VENDOR
default "ti"
config SYS_CONFIG_NAME
default "am62x_evm"
config SPL_LDSCRIPT
default "arch/arm/mach-omap2/u-boot-spl.lds"
source "board/ti/common/Kconfig"
endif

8
board/ti/am62x/Makefile Normal file
View File

@ -0,0 +1,8 @@
#
# Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
# Suman Anna <s-anna@ti.com>
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y += evm.o

39
board/ti/am62x/evm.c Normal file
View File

@ -0,0 +1,39 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Board specific initialization for AM62x platforms
*
* Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
* Suman Anna <s-anna@ti.com>
*
*/
#include <asm/io.h>
#include <spl.h>
#include <fdt_support.h>
#include <asm/arch/hardware.h>
#include <asm/arch/sys_proto.h>
#include <env.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
return 0;
}
int dram_init(void)
{
gd->ram_size = 0x80000000;
return 0;
}
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;
return 0;
}