RAM (DRAM)
*
* 0xC200 0000 +------------------------------------+
* | boot loader (size: 1M) |
* 0xC1F0 0000 +------------------------------------+
* | heap area (size: 1M) |
* 0xC1E0 0000 +------------------------------------+
* | mmu table (size: 16k) |
* 0xC1DF C000 +------------------------------------+ -----/
* | linux command line (size: 16k) | |
* 0xC1DF 8000 +------------------------------------+ |
* | vivi parameter table (size: 16k) | vivi private data
* 0xC1DF 4000 +------------------------------------+ |
* | mtd partition table (size: 16k) | |
* 0xC1DF 0000 +------------------------------------+ -----/
* | stack area (size: 32k) |
* 0xC1DE 8000 +------------------------------------+
* | |
* | |
* | free memory |
* | |
* | |
* 0xC000 0000 +------------------------------------+
*
*
*
* ROM (NOR Flash)
*
* 0x0200 0000 +-----------------------------+
* | (stored) vivi private data |
* 0x01fc 0000 +-----------------------------+
* | |
* | usr (size: 29.5M) |
* | |
* 0x0024 0000 +-----------------------------+
* | root (size: 1289k) |
* 0x0010 0000 +-----------------------------+
* | kernel (size: 728k) |
* 0x0004 0000 +-----------------------------+
* | boot loader (size: 256k) |
* 0x0000 0000 +-----------------------------+
*
*/
#include "sizes.h"
#define ROM_BASE0 0x00000000 /* base address of rom bank 0 */
#define ROM_BASE1 0x08000000 /* base address of rom bank 1 */
#define DRAM_BASE0 0x30000000 /* base address of dram bank 0 */
#define DRAM_BASE1 0x38000000 /* base address of dram bank 1 */
/* Global definitions */
#define FLASH_BASE ROM_BASE0
#define FLASH_SIZE SZ_32M
#define FLASH_UNCACHED_BASE 0x10000000 /* to mapping flash memory */
#define FLASH_BUSWIDTH 4
#define DRAM_BASE DRAM_BASE0
#define DRAM_SIZE SZ_64M
#define MTD_PART_SIZE SZ_16K
#define MTD_PART_OFFSET 0x00000000
#define PARAMETER_TLB_SIZE SZ_16K
#define PARAMETER_TLB_OFFSET 0x00004000
#define LINUX_CMD_SIZE SZ_16K
#define LINUX_CMD_OFFSET 0x00008000
#define VIVI_PRIV_SIZE (MTD_PART_SIZE + PARAMETER_TLB_SIZE + LINUX_CMD_SIZE)
/* ROM */
#define VIVI_ROM_BASE 0x00000000
#define VIVI_PRIV_ROM_BASE 0x01FC0000
/* RAM */
#define VIVI_RAM_SIZE SZ_1M
#define VIVI_RAM_BASE (DRAM_BASE + DRAM_SIZE - VIVI_RAM_SIZE)
#define HEAP_SIZE SZ_1M
#define HEAP_BASE (VIVI_RAM_BASE - HEAP_SIZE)
#define MMU_TABLE_SIZE SZ_16K
#define MMU_TABLE_BASE (HEAP_BASE - MMU_TABLE_SIZE)
#define VIVI_PRIV_RAM_BASE (MMU_TABLE_BASE - VIVI_PRIV_SIZE)
#define STACK_SIZE SZ_32K
#define STACK_BASE (VIVI_PRIV_RAM_BASE - STACK_SIZE)
#define RAM_SIZE (STACK_BASE - DRAM_BASE)
#define RAM_BASE DRAM_BASE
文章出處：DIY部落(http://www.diybl.com/course/6_system/linux/Linuxjs/20081117/151689.html)
