82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
/*
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* Copyright (c) 2008 PIKA Technologies
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* Sean MacLennan <smaclennan@pikatech.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include "ops.h"
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#include "4xx.h"
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#include "cuboot.h"
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#include "stdio.h"
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#define TARGET_4xx
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#define TARGET_44x
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#include "ppcboot.h"
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static bd_t bd;
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static void warp_fixup_one_nor(u32 from, u32 to)
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{
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void *devp;
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char name[50];
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u32 v[2];
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sprintf(name, "/plb/opb/ebc/nor_flash@0,0/partition@%x", from);
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devp = finddevice(name);
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if (!devp)
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return;
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if (getprop(devp, "reg", v, sizeof(v)) == sizeof(v)) {
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v[0] = to;
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setprop(devp, "reg", v, sizeof(v));
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printf("NOR 64M fixup %x -> %x\r\n", from, to);
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}
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}
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static void warp_fixups(void)
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{
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ibm440ep_fixup_clocks(66000000, 11059200, 50000000);
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ibm4xx_sdram_fixup_memsize();
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ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
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dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
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/* Fixup for 64M flash on Rev A boards. */
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if (bd.bi_flashsize == 0x4000000) {
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void *devp;
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u32 v[3];
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devp = finddevice("/plb/opb/ebc/nor_flash@0,0");
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if (!devp)
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return;
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/* Fixup the size */
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if (getprop(devp, "reg", v, sizeof(v)) == sizeof(v)) {
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v[2] = bd.bi_flashsize;
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setprop(devp, "reg", v, sizeof(v));
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}
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/* Fixup parition offsets */
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warp_fixup_one_nor(0x300000, 0x3f00000);
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warp_fixup_one_nor(0x340000, 0x3f40000);
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warp_fixup_one_nor(0x380000, 0x3f80000);
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}
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}
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void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
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unsigned long r6, unsigned long r7)
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{
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CUBOOT_INIT();
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platform_ops.fixups = warp_fixups;
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platform_ops.exit = ibm44x_dbcr_reset;
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fdt_init(_dtb_start);
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serial_console_init();
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}
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