| 1 | /* |
| 2 | * arch/ubicom32/include/asm/memory_map.h |
| 3 | * Machine memory maps/ |
| 4 | * |
| 5 | * (C) Copyright 2009, Ubicom, Inc. |
| 6 | * |
| 7 | * This file is part of the Ubicom32 Linux Kernel Port. |
| 8 | * |
| 9 | * The Ubicom32 Linux Kernel Port is free software: you can redistribute |
| 10 | * it and/or modify it under the terms of the GNU General Public License |
| 11 | * as published by the Free Software Foundation, either version 2 of the |
| 12 | * License, or (at your option) any later version. |
| 13 | * |
| 14 | * The Ubicom32 Linux Kernel Port is distributed in the hope that it |
| 15 | * will be useful, but WITHOUT ANY WARRANTY; without even the implied |
| 16 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 17 | * the GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with the Ubicom32 Linux Kernel Port. If not, |
| 21 | * see <http://www.gnu.org/licenses/>. |
| 22 | * |
| 23 | * Ubicom32 implementation derived from (with many thanks): |
| 24 | * arch/m68knommu |
| 25 | * arch/blackfin |
| 26 | * arch/parisc |
| 27 | */ |
| 28 | #ifndef _ASM_UBICOM32_MEMORY_MAP_H |
| 29 | #define _ASM_UBICOM32_MEMORY_MAP_H |
| 30 | |
| 31 | /* |
| 32 | * Memory Size |
| 33 | */ |
| 34 | #define OCM_SECTOR_SIZE 0x00008000 /* 32K */ |
| 35 | |
| 36 | #if defined(CONFIG_UBICOM32_V3) |
| 37 | #define OCMSIZE 0x00030000 /* 192K on-chip RAM for both program and data */ |
| 38 | #elif defined(CONFIG_UBICOM32_V4) |
| 39 | #define OCMSIZE 0x0003C000 /* 240K on-chip RAM for both program and data */ |
| 40 | #else |
| 41 | #error "Unknown IP5K silicon" |
| 42 | #endif |
| 43 | |
| 44 | #define OCMSTART 0x3ffc0000 /* alias from 0x03000000 for easy |
| 45 | * jump to/from SDRAM */ |
| 46 | #define OCMEND (OCMSTART + OCMSIZE) |
| 47 | |
| 48 | #define SDRAMSTART 0x40000000 |
| 49 | |
| 50 | #define KERNELSTART (SDRAMSTART + 0x00400000) |
| 51 | |
| 52 | #define FLASHSTART 0x60000000 |
| 53 | |
| 54 | /* |
| 55 | * CODELOADER / OS_SYSCALL OCM Reservations |
| 56 | * Don't change these unless you know what you are doing. |
| 57 | */ |
| 58 | #define CODELOADER_SIZE 0x30 |
| 59 | #define CODELOADER_BEGIN OCMSTART /* Must be OCM start for gdb to work. */ |
| 60 | #define CODELOADER_END (CODELOADER_BEGIN + CODELOADER_SIZE) |
| 61 | |
| 62 | #define OS_SYSCALL_BEGIN CODELOADER_END /* system_call at this address */ |
| 63 | #define OS_SYSCALL_SIZE (512 - CODELOADER_SIZE) |
| 64 | #define OS_SYSCALL_END (OS_SYSCALL_BEGIN + OS_SYSCALL_SIZE) |
| 65 | |
| 66 | #endif /* _ASM_UBICOM32_MEMORY_MAP_H */ |
| 67 | |
