2 * Copyright 2009 Freescale Semiconductor, Inc.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of
7 * the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 #ifndef _ASM_CONFIG_H_
22 #define _ASM_CONFIG_H_
24 #ifndef CONFIG_MAX_MEM_MAPPED
25 #if defined(CONFIG_4xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
26 #define CONFIG_MAX_MEM_MAPPED ((phys_size_t)2 << 30)
28 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
32 /* Check if boards need to enable FSL DMA engine for SDRAM init */
33 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
34 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
35 ((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
36 !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
37 #define CONFIG_FSL_DMA
41 #if defined(CONFIG_MPC8572) || defined(CONFIG_P1020) || \
42 defined(CONFIG_P2020) || defined(CONFIG_MPC8641)
43 #define CONFIG_MAX_CPUS 2
44 #elif defined(CONFIG_PPC_P4080)
45 #define CONFIG_MAX_CPUS 8
47 #define CONFIG_MAX_CPUS 1
51 * Provide a default boot page translation virtual address that lines up with
52 * Freescale's default e500 reset page.
54 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
55 #ifndef CONFIG_BPTR_VIRT_ADDR
56 #define CONFIG_BPTR_VIRT_ADDR 0xfffff000
60 /* Enable TSEC2.0 for the platforms that have it if we are using TSEC */
61 #if defined(CONFIG_TSEC_ENET) && \
62 (defined(CONFIG_P1020) || defined(CONFIG_P1011))
66 /* Relocation to SDRAM works on all PPC boards */
67 #define CONFIG_RELOC_FIXUP_WORKS
69 #endif /* _ASM_CONFIG_H_ */