mirror of
https://github.com/AsahiLinux/u-boot
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328a340392
Now the cpu node setup ("timebase-frequency" and "clock-frequency") is
without using the absolute path to the cpu node. This makes it possible
to use this U-Boot version with both versions of cpu-node naming
"cpu@0" and the former "PowerPC,440EPx@0".
Signed-off-by: Stefan Roese <sr@denx.de>
64 lines
2 KiB
C
64 lines
2 KiB
C
/*
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* (C) Copyright 2007
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <watchdog.h>
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#include <command.h>
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#include <asm/cache.h>
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#include <ppc4xx.h>
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#if defined(CONFIG_OF_LIBFDT)
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#include <libfdt.h>
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#include <libfdt_env.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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sys_info_t sys_info;
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get_sys_info(&sys_info);
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do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "timebase-frequency",
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bd->bi_intfreq, 1);
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do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "clock-frequency",
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bd->bi_intfreq, 1);
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do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
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do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
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do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency",
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sys_info.freqEBC, 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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* Setup all baudrates for the UARTs
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*/
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do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1);
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/*
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* Fixup all ethernet nodes
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* Note: aliases in the dts are required for this
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*/
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fdt_fixup_ethernet(blob, bd);
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}
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#endif /* CONFIG_OF_LIBFDT */
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