1 /* 2 * Copyright 2009-2010 Freescale Semiconductor, Inc. 3 * 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. 8 * 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. 13 * 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, 17 * MA 02111-1307 USA 18 * 19 */ 20 21 #ifndef _ASM_CONFIG_H_ 22 #define _ASM_CONFIG_H_ 23 24 #define CONFIG_LMB 25 26 #ifndef CONFIG_MAX_MEM_MAPPED 27 #if defined(CONFIG_4xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx) 28 #define CONFIG_MAX_MEM_MAPPED ((phys_size_t)2 << 30) 29 #else 30 #define CONFIG_MAX_MEM_MAPPED (256 << 20) 31 #endif 32 #endif 33 34 /* Check if boards need to enable FSL DMA engine for SDRAM init */ 35 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC) 36 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \ 37 ((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \ 38 !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)) 39 #define CONFIG_FSL_DMA 40 #endif 41 #endif 42 43 #if defined(CONFIG_MPC8572) || defined(CONFIG_P1020) || \ 44 defined(CONFIG_P1021) || defined(CONFIG_P1022) || \ 45 defined(CONFIG_P2020) || defined(CONFIG_MPC8641) 46 #define CONFIG_MAX_CPUS 2 47 #elif defined(CONFIG_PPC_P4080) 48 #define CONFIG_MAX_CPUS 8 49 #else 50 #define CONFIG_MAX_CPUS 1 51 #endif 52 53 /* 54 * Provide a default boot page translation virtual address that lines up with 55 * Freescale's default e500 reset page. 56 */ 57 #if (defined(CONFIG_E500) && defined(CONFIG_MP)) 58 #ifndef CONFIG_BPTR_VIRT_ADDR 59 #define CONFIG_BPTR_VIRT_ADDR 0xfffff000 60 #endif 61 #endif 62 63 /* Enable TSEC2.0 for the platforms that have it if we are using TSEC */ 64 #if defined(CONFIG_TSEC_ENET) && \ 65 (defined(CONFIG_P1020) || defined(CONFIG_P1011)) 66 #define CONFIG_TSECV2 67 #endif 68 69 /* Number of TLB CAM entries we have on FSL Book-E chips */ 70 #if defined(CONFIG_E500MC) 71 #define CONFIG_SYS_NUM_TLBCAMS 64 72 #elif defined(CONFIG_E500) 73 #define CONFIG_SYS_NUM_TLBCAMS 16 74 #endif 75 76 /* Relocation to SDRAM works on all PPC boards */ 77 #define CONFIG_RELOC_FIXUP_WORKS 78 79 #endif /* _ASM_CONFIG_H_ */ 80