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![Christophe Leroy](/assets/img/avatar_default.png)
For processors whose core runs at twice the bus frequency, the fallback frequency calculation in Linux provides a wrong result. Therefore, U-boot needs to pass the correct value. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Reviewed-by: Heiko Schocher <hs@denx.de>
30 lines
837 B
C
30 lines
837 B
C
/*
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* Copyright 2008 (C) Bryan O'Donoghue
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*
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* Code copied & edited from Freescale mpc85xx stuff.
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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 <libfdt.h>
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#include <fdt_support.h>
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DECLARE_GLOBAL_DATA_PTR;
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void ft_cpu_setup(void *blob, bd_t *bd)
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{
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do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
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"timebase-frequency", get_tbclk(), 1);
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do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
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"bus-frequency", bd->bi_busfreq, 1);
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do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
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"clock-frequency", bd->bi_intfreq, 1);
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do_fixup_by_compat_u32(blob, "fsl,pq1-soc", "clock-frequency",
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bd->bi_intfreq, 1);
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do_fixup_by_compat_u32(blob, "fsl,cpm-brg", "clock-frequency",
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gd->arch.brg_clk, 1);
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fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
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}
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