mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 02:38:56 +00:00
4c092bb306
Call into k3-ddrss driver to fixup device tree and resize the available amount of DDR if ECC is enabled. A second fixup is required from A53 SPL to take the fixup as done from R5 SPL and apply it to DT passed to A53 U-boot, which in turn passes this to the OS. Signed-off-by: Georgi Vlaev <g-vlaev@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
// 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 <dm/uclass.h>
|
|
#include <k3-ddrss.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)
|
|
{
|
|
return fdtdec_setup_mem_size_base();
|
|
}
|
|
|
|
int dram_init_banksize(void)
|
|
{
|
|
return fdtdec_setup_memory_banksize();
|
|
}
|
|
|
|
#if defined(CONFIG_SPL_BUILD)
|
|
#if defined(CONFIG_K3_AM64_DDRSS)
|
|
static void fixup_ddr_driver_for_ecc(struct spl_image_info *spl_image)
|
|
{
|
|
struct udevice *dev;
|
|
int ret;
|
|
|
|
dram_init_banksize();
|
|
|
|
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
|
|
if (ret)
|
|
panic("Cannot get RAM device for ddr size fixup: %d\n", ret);
|
|
|
|
ret = k3_ddrss_ddr_fdt_fixup(dev, spl_image->fdt_addr, gd->bd);
|
|
if (ret)
|
|
printf("Error fixing up ddr node for ECC use! %d\n", ret);
|
|
}
|
|
#else
|
|
static void fixup_memory_node(struct spl_image_info *spl_image)
|
|
{
|
|
u64 start[CONFIG_NR_DRAM_BANKS];
|
|
u64 size[CONFIG_NR_DRAM_BANKS];
|
|
int bank;
|
|
int ret;
|
|
|
|
dram_init();
|
|
dram_init_banksize();
|
|
|
|
for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
|
|
start[bank] = gd->bd->bi_dram[bank].start;
|
|
size[bank] = gd->bd->bi_dram[bank].size;
|
|
}
|
|
|
|
/* dram_init functions use SPL fdt, and we must fixup u-boot fdt */
|
|
ret = fdt_fixup_memory_banks(spl_image->fdt_addr, start, size,
|
|
CONFIG_NR_DRAM_BANKS);
|
|
if (ret)
|
|
printf("Error fixing up memory node! %d\n", ret);
|
|
}
|
|
#endif
|
|
|
|
void spl_perform_fixups(struct spl_image_info *spl_image)
|
|
{
|
|
#if defined(CONFIG_K3_AM64_DDRSS)
|
|
fixup_ddr_driver_for_ecc(spl_image);
|
|
#else
|
|
fixup_memory_node(spl_image);
|
|
#endif
|
|
}
|
|
#endif
|