mirror of
https://github.com/brain-hackers/u-boot-brain
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ee422142f4
CFE checks CPU Thread in a different way (using register $22): mfc0 t1, C0_BCM_CONFIG, 3 # $22 li t2, CP0_CMT_TPID # (1 << 31) and t1, t2 bnez t1, 2f # if we are running on thread 1, skip init nop Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
38 lines
661 B
C
38 lines
661 B
C
/*
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* Copyright (C) 2016 Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
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* Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
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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 <ram.h>
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#include <dm.h>
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DECLARE_GLOBAL_DATA_PTR;
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int dram_init(void)
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{
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struct ram_info ram;
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struct udevice *dev;
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int err;
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err = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (err) {
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debug("DRAM init failed: %d\n", err);
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return 0;
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}
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err = ram_get_info(dev, &ram);
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if (err) {
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debug("Cannot get DRAM size: %d\n", err);
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return 0;
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}
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debug("SDRAM base=%zx, size=%x\n", ram.base, ram.size);
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gd->ram_size = ram.size;
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return 0;
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}
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