LXR linux/arch/powerpc/boot/cuboot-kilauea.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Old U-boot compatibility for PPC405EX. This image is already included
   4 * a dtb.
   5 *
   6 * Author: Tiejun Chen <tiejun.chen@windriver.com>
   7 *
   8 * Copyright (C) 2009 Wind River Systems, Inc.
   9 */
  10
  11#include "ops.h"
  12#include "io.h"
  13#include "dcr.h"
  14#include "stdio.h"
  15#include "4xx.h"
  16#include "44x.h"
  17#include "cuboot.h"
  18
  19#define TARGET_4xx
  20#define TARGET_44x
  21#include "ppcboot.h"
  22
  23#define KILAUEA_SYS_EXT_SERIAL_CLOCK     11059200        /* ext. 11.059MHz clk */
  24
  25static bd_t bd;
  26
  27static void kilauea_fixups(void)
  28{
  29        unsigned long sysclk = 33333333;
  30
  31        ibm405ex_fixup_clocks(sysclk, KILAUEA_SYS_EXT_SERIAL_CLOCK);
  32        dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  33        ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
  34        dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  35        dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  36}
  37
  38void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  39                unsigned long r6, unsigned long r7)
  40{
  41        CUBOOT_INIT();
  42        platform_ops.fixups = kilauea_fixups;
  43        platform_ops.exit = ibm40x_dbcr_reset;
  44        fdt_init(_dtb_start);
  45        serial_console_init();
  46}
  47