historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/u-boot/arch/arm/lib/bootm-fdt.c
2024-01-16 11:20:27 -06:00

79 lines
1.7 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2013, Google Inc.
*
* Copyright (C) 2011
* Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
* - Added prep subcommand support
* - Reorganized source - modeled after powerpc version
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
*/
#include <common.h>
#include <fdt_support.h>
#ifdef CONFIG_ARMV7_NONSEC
#include <asm/armv7.h>
#endif
#include <asm/psci.h>
#include <asm/spin_table.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_FMAN_ENET
__weak int fdt_update_ethernet_dt(void *blob)
{
return 0;
}
#endif
int arch_fixup_fdt(void *blob)
{
__maybe_unused int ret = 0;
#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT)
bd_t *bd = gd->bd;
int bank;
u64 start[CONFIG_NR_DRAM_BANKS];
u64 size[CONFIG_NR_DRAM_BANKS];
for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
start[bank] = bd->bi_dram[bank].start;
size[bank] = bd->bi_dram[bank].size;
#ifdef CONFIG_ARMV7_NONSEC
ret = armv7_apply_memory_carveout(&start[bank], &size[bank]);
if (ret)
return ret;
#endif
}
#ifdef CONFIG_OF_LIBFDT
ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS);
if (ret)
return ret;
#endif
#ifdef CONFIG_ARMV8_SPIN_TABLE
ret = spin_table_update_dt(blob);
if (ret)
return ret;
#endif
#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \
defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
ret = psci_update_dt(blob);
if (ret)
return ret;
#endif
#endif
#ifdef CONFIG_FMAN_ENET
ret = fdt_update_ethernet_dt(blob);
if (ret)
return ret;
#endif
return 0;
}