arch/powerpc/boot/cuboot-8xx.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Old U-boot compatibility for 8xx
   4  *
   5  * Author: Scott Wood <scottwood@freescale.com>
   6  *
   7  * Copyright (c) 2007 Freescale Semiconductor, Inc.
   8  */
   9
  10 #include "ops.h"
  11 #include "stdio.h"
  12 #include "cuboot.h"
  13
  14 #define TARGET_8xx
  15 #define TARGET_HAS_ETH1
  16 #include "ppcboot.h"
  17
  18 static bd_t bd;
  19
  20 static void platform_fixups(void)
  21 {
  22         void *node;
  23
  24         dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  25         dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
  26         dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
  27
  28         node = finddevice("/soc/cpm");
  29         if (node)
  30                 setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
  31
  32         node = finddevice("/soc/cpm/brg");
  33         if (node)
  34                 setprop(node, "clock-frequency",  &bd.bi_busfreq, 4);
  35 }
  36
  37 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  38                    unsigned long r6, unsigned long r7)
  39 {
  40         CUBOOT_INIT();
  41         fdt_init(_dtb_start);
  42         serial_console_init();
  43         platform_ops.fixups = platform_fixups;
  44 }