tegrakernel/kernel/kernel-4.9/arch/powerpc/boot/cuboot-sam440ep.c

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2022-02-16 09:13:02 -06:00
/*
* Old U-boot compatibility for Sam440ep based off bamboo.c code
* original copyrights below
*
* Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
*
* Copyright 2007 IBM Corporation
*
* Based on cuboot-ebony.c
*
* Modified from cuboot-bamboo.c for sam440ep:
* Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
*
* 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 "44x.h"
#include "4xx.h"
#include "cuboot.h"
#define TARGET_4xx
#define TARGET_44x
#include "ppcboot.h"
static bd_t bd;
static void sam440ep_fixups(void)
{
unsigned long sysclk = 66666666;
ibm440ep_fixup_clocks(sysclk, 11059200, 25000000);
ibm4xx_sdram_fixup_memsize();
ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
}
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
CUBOOT_INIT();
platform_ops.fixups = sam440ep_fixups;
platform_ops.exit = ibm44x_dbcr_reset;
fdt_init(_dtb_start);
serial_console_init();
}