diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/include/asm/memory_map.h')
-rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/include/asm/memory_map.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/include/asm/memory_map.h b/target/linux/ubicom32/files/arch/ubicom32/include/asm/memory_map.h new file mode 100644 index 0000000000..a1c3219b39 --- /dev/null +++ b/target/linux/ubicom32/files/arch/ubicom32/include/asm/memory_map.h @@ -0,0 +1,66 @@ +/* + * arch/ubicom32/include/asm/memory_map.h + * Machine memory maps/ + * + * (C) Copyright 2009, Ubicom, Inc. + * + * This file is part of the Ubicom32 Linux Kernel Port. + * + * The Ubicom32 Linux Kernel Port is free software: you can redistribute + * it and/or modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, either version 2 of the + * License, or (at your option) any later version. + * + * The Ubicom32 Linux Kernel Port is distributed in the hope that it + * will be useful, but WITHOUT ANY WARRANTY; without even the implied + * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with the Ubicom32 Linux Kernel Port. If not, + * see <http://www.gnu.org/licenses/>. + * + * Ubicom32 implementation derived from (with many thanks): + * arch/m68knommu + * arch/blackfin + * arch/parisc + */ +#ifndef _ASM_UBICOM32_MEMORY_MAP_H +#define _ASM_UBICOM32_MEMORY_MAP_H + +/* + * Memory Size + */ +#define OCM_SECTOR_SIZE 0x00008000 /* 32K */ + +#if defined(CONFIG_UBICOM32_V3) +#define OCMSIZE 0x00030000 /* 192K on-chip RAM for both program and data */ +#elif defined(CONFIG_UBICOM32_V4) +#define OCMSIZE 0x0003C000 /* 240K on-chip RAM for both program and data */ +#else +#error "Unknown IP5K silicon" +#endif + +#define OCMSTART 0x3ffc0000 /* alias from 0x03000000 for easy + * jump to/from SDRAM */ +#define OCMEND (OCMSTART + OCMSIZE) + +#define SDRAMSTART 0x40000000 + +#define KERNELSTART (SDRAMSTART + 0x00400000) + +#define FLASHSTART 0x60000000 + +/* + * CODELOADER / OS_SYSCALL OCM Reservations + * Don't change these unless you know what you are doing. + */ +#define CODELOADER_SIZE 0x30 +#define CODELOADER_BEGIN OCMSTART /* Must be OCM start for gdb to work. */ +#define CODELOADER_END (CODELOADER_BEGIN + CODELOADER_SIZE) + +#define OS_SYSCALL_BEGIN CODELOADER_END /* system_call at this address */ +#define OS_SYSCALL_SIZE (512 - CODELOADER_SIZE) +#define OS_SYSCALL_END (OS_SYSCALL_BEGIN + OS_SYSCALL_SIZE) + +#endif /* _ASM_UBICOM32_MEMORY_MAP_H */ |