mirror of
https://github.com/torvalds/linux.git
synced 2024-12-20 18:11:47 +00:00
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
|
|
* Old U-boot compatibility for 83xx
|
|
*
|
|
* 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_83xx
|
|
#include "ppcboot.h"
|
|
|
|
static bd_t bd;
|
|
|
|
static void platform_fixups(void)
|
|
{
|
|
void *soc;
|
|
|
|
dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
|
|
dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
|
|
dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
|
|
dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
|
|
|
|
/* Unfortunately, the specific model number is encoded in the
|
|
* soc node name in existing dts files -- once that is fixed,
|
|
* this can do a simple path lookup.
|
|
*/
|
|
soc = find_node_by_devtype(NULL, "soc");
|
|
if (soc) {
|
|
void *serial = NULL;
|
|
|
|
setprop(soc, "bus-frequency", &bd.bi_busfreq,
|
|
sizeof(bd.bi_busfreq));
|
|
|
|
while ((serial = find_node_by_devtype(serial, "serial"))) {
|
|
if (get_parent(serial) != soc)
|
|
continue;
|
|
|
|
setprop(serial, "clock-frequency", &bd.bi_busfreq,
|
|
sizeof(bd.bi_busfreq));
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|