| /* Copyright 2015 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /* Memory mapping */ |
| /* |
| * Flash physical size: 256KB |
| * Write protect sectors: 31 4KB sectors, one 132KB sector |
| */ |
| #define CONFIG_FLASH_SIZE 0x00040000 |
| #define CONFIG_FLASH_BANK_SIZE 0x1000 |
| #define CONFIG_FLASH_ERASE_SIZE 0x0800 /* erase bank size */ |
| #define CONFIG_FLASH_WRITE_SIZE 0x0002 /* minimum write size */ |
| |
| /* No page mode on STM32F, so no benefit to larger write sizes */ |
| #define CONFIG_FLASH_WRITE_IDEAL_SIZE 0x0002 |
| |
| #define CONFIG_RAM_BASE 0x20000000 |
| #define CONFIG_RAM_SIZE 0x00008000 |
| |
| /* Number of IRQ vectors on the NVIC */ |
| #define CONFIG_IRQ_COUNT 32 |
| |
| /* |
| * STM32F09x flash layout: |
| * - RO image starts at the beginning of flash: sector 0 ~ 29 |
| * - PSTATE immediately follows the RO image: sector 30 |
| * - RW image starts at 0x1f00: sector 31 |
| * - Protected region consists of the RO image + PSTATE: sector 0 ~ 30 |
| * - Unprotected region consists of second half of RW image |
| * |
| * PSTATE(4KB) |
| * | |
| * (124KB) v (132KB) |
| * |<-----Protected Region------>|<------Unprotected Region----->| |
| * |<--------RO image--------->| |<----------RW image----------->| |
| * 0 (120KB) ^ ^ |
| * | | |
| * | 31(132KB sector) |
| * | |
| * 30 |
| * |
| */ |
| |
| #define _SECTOR_4KB (4 * 1024) |
| #define _SECTOR_132KB (132 * 1024) |
| |
| /* The EC uses one sector to emulate persistent state */ |
| #define CONFIG_FLASH_PSTATE |
| #define CONFIG_FW_PSTATE_SIZE _SECTOR_4KB |
| #define CONFIG_FW_PSTATE_OFF (30 * _SECTOR_4KB) |
| |
| #define CONFIG_RO_MEM_OFF 0 |
| #define CONFIG_RO_STORAGE_OFF 0 |
| #define CONFIG_RO_SIZE (30 * _SECTOR_4KB) |
| #define CONFIG_RW_MEM_OFF (CONFIG_RO_MEM_OFF + CONFIG_RO_SIZE + \ |
| CONFIG_FW_PSTATE_SIZE) |
| #define CONFIG_RW_STORAGE_OFF 0 |
| #define CONFIG_RW_SIZE _SECTOR_132KB |
| |
| #define CONFIG_EC_PROTECTED_STORAGE_OFF 0 |
| #define CONFIG_EC_PROTECTED_STORAGE_SIZE CONFIG_RW_MEM_OFF |
| #define CONFIG_EC_WRITABLE_STORAGE_OFF CONFIG_RW_MEM_OFF |
| #define CONFIG_EC_WRITABLE_STORAGE_SIZE (CONFIG_FLASH_SIZE - \ |
| CONFIG_EC_WRITABLE_STORAGE_OFF) |
| |
| #define CONFIG_WP_STORAGE_OFF CONFIG_EC_PROTECTED_STORAGE_OFF |
| #define CONFIG_WP_STORAGE_SIZE CONFIG_EC_PROTECTED_STORAGE_SIZE |
| |
| /* We map each write protect sector to a bank */ |
| #define PHYSICAL_BANKS 32 |
| #define WP_BANK_COUNT 31 |
| #define PSTATE_BANK 30 |
| #define PSTATE_BANK_COUNT 1 |
| |
