arch/powerpc/boot/cuboot-sequoia.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Old U-boot compatibility for Sequoia
   4  *
   5  * Valentine Barshak <vbarshak@ru.mvista.com>
   6  * Copyright 2007 MontaVista Software, Inc
   7  *
   8  * Based on Ebony code by David Gibson <david@gibson.dropbear.id.au>
   9  * Copyright IBM Corporation, 2007
  10  *
  11  * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com>
  12  * Copyright IBM Corporation, 2007
  13  */
  14
  15 #include <stdarg.h>
  16 #include <stddef.h>
  17 #include "types.h"
  18 #include "elf.h"
  19 #include "string.h"
  20 #include "stdio.h"
  21 #include "page.h"
  22 #include "ops.h"
  23 #include "dcr.h"
  24 #include "4xx.h"
  25 #include "44x.h"
  26 #include "cuboot.h"
  27
  28 #define TARGET_4xx
  29 #define TARGET_44x
  30 #include "ppcboot.h"
  31
  32 static bd_t bd;
  33
  34
  35 static void sequoia_fixups(void)
  36 {
  37         unsigned long sysclk = 33333333;
  38
  39         ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
  40         ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
  41         ibm4xx_denali_fixup_memsize();
  42         dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  43         dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  44 }
  45
  46 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  47                    unsigned long r6, unsigned long r7)
  48 {
  49         CUBOOT_INIT();
  50         platform_ops.fixups = sequoia_fixups;
  51         platform_ops.exit = ibm44x_dbcr_reset;
  52         fdt_init(_dtb_start);
  53         serial_console_init();
  54 }