arch/powerpc/boot/cuboot-sam440ep.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Old U-boot compatibility for Sam440ep based off bamboo.c code
   4  * original copyrights below
   5  *
   6  * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
   7  *
   8  * Copyright 2007 IBM Corporation
   9  *
  10  * Based on cuboot-ebony.c
  11  *
  12  * Modified from cuboot-bamboo.c for sam440ep:
  13  * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
  14  */
  15
  16 #include "ops.h"
  17 #include "stdio.h"
  18 #include "44x.h"
  19 #include "4xx.h"
  20 #include "cuboot.h"
  21
  22 #define TARGET_4xx
  23 #define TARGET_44x
  24 #include "ppcboot.h"
  25
  26 static bd_t bd;
  27
  28 static void sam440ep_fixups(void)
  29 {
  30        unsigned long sysclk = 66666666;
  31
  32        ibm440ep_fixup_clocks(sysclk, 11059200, 25000000);
  33        ibm4xx_sdram_fixup_memsize();
  34        ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
  35        dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
  36 }
  37
  38 void 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 = sam440ep_fixups;
  43         platform_ops.exit = ibm44x_dbcr_reset;
  44         fdt_init(_dtb_start);
  45         serial_console_init();
  46 }