mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-05 02:36:39 +09:00
984a3c8777
Adding support for fdt fixup to update the memory node in device tree for falcon boot. This is needed for single stage or falcon bootmode, to pass memory configuration to kernel through DT memory node. Signed-off-by: Ravi Babu <ravibabu@ti.com> Reviewed-by: Lukasz Majewski <lukma@denx.de>
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/*
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* Copyright (c) 2013, Google Inc.
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*
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* Copyright (C) 2011
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* Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
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* - Added prep subcommand support
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* - Reorganized source - modeled after powerpc version
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Marius Groeger <mgroeger@sysgo.de>
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*
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* Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <fdt_support.h>
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#ifdef CONFIG_ARMV7_NONSEC
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#include <asm/armv7.h>
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#endif
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#include <asm/psci.h>
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#include <asm/spin_table.h>
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DECLARE_GLOBAL_DATA_PTR;
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int arch_fixup_fdt(void *blob)
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{
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int ret = 0;
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#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT)
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bd_t *bd = gd->bd;
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int bank;
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u64 start[CONFIG_NR_DRAM_BANKS];
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u64 size[CONFIG_NR_DRAM_BANKS];
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for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
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start[bank] = bd->bi_dram[bank].start;
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size[bank] = bd->bi_dram[bank].size;
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#ifdef CONFIG_ARMV7_NONSEC
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ret = armv7_apply_memory_carveout(&start[bank], &size[bank]);
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if (ret)
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return ret;
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#endif
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}
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#ifdef CONFIG_OF_LIBFDT
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ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS);
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if (ret)
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return ret;
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#endif
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#ifdef CONFIG_ARMV8_SPIN_TABLE
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ret = spin_table_update_dt(blob);
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if (ret)
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return ret;
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#endif
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#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \
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defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
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ret = psci_update_dt(blob);
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if (ret)
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return ret;
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#endif
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#endif
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return 0;
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}
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