| 1 | /* |
| 2 | * |
| 3 | * arch/arm/mach-u300/include/mach/memory.h |
| 4 | * |
| 5 | * |
| 6 | * Copyright (C) 2007-2009 ST-Ericsson AB |
| 7 | * License terms: GNU General Public License (GPL) version 2 |
| 8 | * Memory virtual/physical mapping constants. |
| 9 | * Author: Linus Walleij <linus.walleij@stericsson.com> |
| 10 | * Author: Jonas Aaberg <jonas.aberg@stericsson.com> |
| 11 | */ |
| 12 | |
| 13 | #ifndef __MACH_MEMORY_H |
| 14 | #define __MACH_MEMORY_H |
| 15 | |
| 16 | #ifdef CONFIG_MACH_U300_DUAL_RAM |
| 17 | |
| 18 | #define PHYS_OFFSET UL(0x48000000) |
| 19 | #define BOOT_PARAMS_OFFSET (PHYS_OFFSET + 0x100) |
| 20 | |
| 21 | #else |
| 22 | |
| 23 | #ifdef CONFIG_MACH_U300_2MB_ALIGNMENT_FIX |
| 24 | #define PHYS_OFFSET (0x28000000 + \ |
| 25 | (CONFIG_MACH_U300_ACCESS_MEM_SIZE - \ |
| 26 | (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024) |
| 27 | #else |
| 28 | #define PHYS_OFFSET (0x28000000 + \ |
| 29 | (CONFIG_MACH_U300_ACCESS_MEM_SIZE + \ |
| 30 | (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024) |
| 31 | #endif |
| 32 | #define BOOT_PARAMS_OFFSET (0x28000000 + \ |
| 33 | (CONFIG_MACH_U300_ACCESS_MEM_SIZE + \ |
| 34 | (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024 + 0x100) |
| 35 | #endif |
| 36 | |
| 37 | /* |
| 38 | * TCM memory whereabouts |
| 39 | */ |
| 40 | #define ITCM_OFFSET 0xffff2000 |
| 41 | #define ITCM_END 0xffff3fff |
| 42 | #define DTCM_OFFSET 0xffff4000 |
| 43 | #define DTCM_END 0xffff5fff |
| 44 | |
| 45 | /* |
| 46 | * We enable a real big DMA buffer if need be. |
| 47 | */ |
| 48 | #define CONSISTENT_DMA_SIZE SZ_4M |
| 49 | |
| 50 | #endif |