3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Alex Zuepke <azu@sysgo.de>
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 /* ------------------------------------------------------------------------- */
31 * Miscelaneous platform dependent initialisations
36 DECLARE_GLOBAL_DATA_PTR;
38 /* memory and cpu-speed are setup before relocation */
39 /* but if we use InfernoLoader, we must do some inits here */
44 __asm__ __volatile__(/* disable MMU, enable icache */
45 "mrc p15, 0, %0, c1, c0\n"
46 "bic %0, %0, #0x00002000\n"
47 "bic %0, %0, #0x0000000f\n"
48 "orr %0, %0, #0x00001000\n"
49 "orr %0, %0, #0x00000002\n"
50 "mcr p15, 0, %0, c1, c0\n"
53 "mcr p15, 0, %0, c7, c7, 0\n"
54 "mcr p15, 0, %0, c8, c7, 0\n"
58 /* setup PCMCIA timing */
60 *(unsigned long *)temp = 0x00060006;
63 #endif /* CONFIG_INIT_CRITICAL */
65 /* arch number for shannon */
66 gd->bd->bi_arch_number = 97;
68 /* adress of boot parameters */
69 gd->bd->bi_boot_params = 0xc0000100;
76 #if defined(PHYS_SDRAM_1) || defined(PHYS_SDRAM_2) || \
77 defined(PHYS_SDRAM_3) || defined(PHYS_SDRAM_4)
78 DECLARE_GLOBAL_DATA_PTR;
83 bd->bi_dram[0].start = PHYS_SDRAM_1;
84 bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
88 bd->bi_dram[1].start = PHYS_SDRAM_2;
89 bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
93 bd->bi_dram[2].start = PHYS_SDRAM_3;
94 bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
98 bd->bi_dram[3].start = PHYS_SDRAM_4;
99 bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;