tegrakernel/kernel/kernel-4.9/arch/powerpc/boot/cuboot-8xx.c

48 lines
1.1 KiB
C

/*
* Old U-boot compatibility for 8xx
*
* Author: Scott Wood <scottwood@freescale.com>
*
* Copyright (c) 2007 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include "ops.h"
#include "stdio.h"
#include "cuboot.h"
#define TARGET_8xx
#define TARGET_HAS_ETH1
#include "ppcboot.h"
static bd_t bd;
static void platform_fixups(void)
{
void *node;
dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
node = finddevice("/soc/cpm");
if (node)
setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
node = finddevice("/soc/cpm/brg");
if (node)
setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
}
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
CUBOOT_INIT();
fdt_init(_dtb_start);
serial_console_init();
platform_ops.fixups = platform_fixups;
}