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