mirror of
https://github.com/AsahiLinux/u-boot
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93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*
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* (C) Copyright 2001
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <config.h>
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#include <mpc8xx.h>
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/* ------------------------------------------------------------------------- */
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#define _NOT_USED_ 0xFFFFFFFF
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const uint edo_60ns[] =
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{ 0x8ffbec24, 0x0ff3ec04, 0x0cf3ec04, 0x00f3ec04,
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0x00f3ec00, 0x37f7ec47, _NOT_USED_, _NOT_USED_,
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0x8fffec24, 0x0ffbec04, 0x08f3ec04, 0x07f3ec08,
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0x08f3ec04, 0x07f3ec48, 0x08f3ec04, 0x07f3ec48,
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0x08f3ec04, 0x07f3ec48, 0x1ff7ec47, _NOT_USED_,
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_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
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0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x11bfcc47,
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_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
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0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x03afcc4c,
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0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
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0x0cafcc00, 0x33bfcc4f, _NOT_USED_, _NOT_USED_,
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_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
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0xc0ffcc84, 0x00ffcc04, 0x07ffcc04, 0x3fffcc06,
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0xffffcc85, 0xffffcc05, _NOT_USED_, _NOT_USED_,
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_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
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0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
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/* ------------------------------------------------------------------------- */
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/*
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* Check Board Identity:
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*/
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int checkboard (void)
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{
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puts ("Board: AMX860\n");
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return 0;
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}
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/* ------------------------------------------------------------------------- */
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phys_size_t initdram (int board_type)
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{
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volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
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volatile memctl8xx_t *memctl = &immap->im_memctl;
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/* AMX860: has 4 Mb of 60ns EDO DRAM, so start DRAM at 0 */
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upmconfig(UPMA, (uint *) edo_60ns, sizeof(edo_60ns)/sizeof(uint));
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#ifndef CONFIG_AMX_RAM_EXT
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memctl->memc_mptpr = 0x0400; /* divide by 16 */
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#else
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memctl->memc_mptpr = 0x0200;
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#endif
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memctl->memc_mamr = 0x30a21114;
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memctl->memc_or2 = 0xffc00800;
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#ifndef CONFIG_AMX_RAM_EXT
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memctl->memc_br2 = 0x81;
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return (4 << 20);
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#else
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memctl->memc_or1 = 0xff000800;
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memctl->memc_br1 = 0x00000081;
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memctl->memc_br2 = 0x01000081;
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return (20 << 20);
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#endif
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}
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