kernel/arch/powerpc/boot/cuboot-kilauea.c
2024-07-22 17:22:30 +08:00

47 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Old U-boot compatibility for PPC405EX. This image is already included
* a dtb.
*
* Author: Tiejun Chen <tiejun.chen@windriver.com>
*
* Copyright (C) 2009 Wind River Systems, Inc.
*/
#include "ops.h"
#include "io.h"
#include "dcr.h"
#include "stdio.h"
#include "4xx.h"
#include "44x.h"
#include "cuboot.h"
#define TARGET_4xx
#define TARGET_44x
#include "ppcboot.h"
#define KILAUEA_SYS_EXT_SERIAL_CLOCK 11059200 /* ext. 11.059MHz clk */
static bd_t bd;
static void kilauea_fixups(void)
{
unsigned long sysclk = 33333333;
ibm405ex_fixup_clocks(sysclk, KILAUEA_SYS_EXT_SERIAL_CLOCK);
dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
dt_fixup_mac_address_by_alias("ethernet1", 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 = kilauea_fixups;
platform_ops.exit = ibm40x_dbcr_reset;
fdt_init(_dtb_start);
serial_console_init();
}