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6bbc547629
This patch adds base support for the AMCC Taishan 440GX evaluation board. Signed-off-by: Hugh Blemings <hugh@blemings.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
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* Old U-boot compatibility for Taishan
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*
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* Author: Hugh Blemings <hugh@au.ibm.com>
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*
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* Copyright 2007 Hugh Blemings, IBM Corporation.
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* Based on cuboot-ebony.c which is:
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* Copyright 2007 David Gibson, IBM Corporation.
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* Based on cuboot-83xx.c, which is:
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* Copyright (c) 2007 Freescale Semiconductor, Inc.
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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 "stdio.h"
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#include "cuboot.h"
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#include "reg.h"
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#include "dcr.h"
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#include "4xx.h"
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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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BSS_STACK(4096);
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static void taishan_fixups(void)
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{
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/* FIXME: sysclk should be derived by reading the FPGA
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registers */
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unsigned long sysclk = 33000000;
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/* 440EP Clock logic is all but identical to 440GX
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so we just use that code for now at least */
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ibm440ep_fixup_clocks(sysclk, 6 * 1843200);
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ibm4xx_fixup_memsize();
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dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
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ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
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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 = taishan_fixups;
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fdt_init(_dtb_start);
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serial_console_init();
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}
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