mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 23:47:24 +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+
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/*
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* Board specific initialization for AM62x platforms
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*
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* Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
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* Suman Anna <s-anna@ti.com>
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*
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*/
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#include <asm/io.h>
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#include <spl.h>
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#include <dm/uclass.h>
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#include <k3-ddrss.h>
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#include <fdt_support.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/sys_proto.h>
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#include <env.h>
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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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return fdtdec_setup_mem_size_base();
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}
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int dram_init_banksize(void)
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{
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return fdtdec_setup_memory_banksize();
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}
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#if defined(CONFIG_SPL_BUILD)
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#if defined(CONFIG_K3_AM64_DDRSS)
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static void fixup_ddr_driver_for_ecc(struct spl_image_info *spl_image)
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{
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struct udevice *dev;
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int ret;
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dram_init_banksize();
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ret = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (ret)
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panic("Cannot get RAM device for ddr size fixup: %d\n", ret);
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ret = k3_ddrss_ddr_fdt_fixup(dev, spl_image->fdt_addr, gd->bd);
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if (ret)
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printf("Error fixing up ddr node for ECC use! %d\n", ret);
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}
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#else
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static void fixup_memory_node(struct spl_image_info *spl_image)
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{
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u64 start[CONFIG_NR_DRAM_BANKS];
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u64 size[CONFIG_NR_DRAM_BANKS];
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int bank;
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int ret;
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dram_init();
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dram_init_banksize();
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for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
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start[bank] = gd->bd->bi_dram[bank].start;
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size[bank] = gd->bd->bi_dram[bank].size;
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}
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/* dram_init functions use SPL fdt, and we must fixup u-boot fdt */
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ret = fdt_fixup_memory_banks(spl_image->fdt_addr, start, size,
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CONFIG_NR_DRAM_BANKS);
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if (ret)
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printf("Error fixing up memory node! %d\n", ret);
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}
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#endif
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void spl_perform_fixups(struct spl_image_info *spl_image)
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{
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#if defined(CONFIG_K3_AM64_DDRSS)
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fixup_ddr_driver_for_ecc(spl_image);
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#else
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fixup_memory_node(spl_image);
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#endif
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}
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#endif
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