diff options
Diffstat (limited to 'chip/stm32/config-stm32f76x.h')
| -rw-r--r-- | chip/stm32/config-stm32f76x.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/chip/stm32/config-stm32f76x.h b/chip/stm32/config-stm32f76x.h new file mode 100644 index 0000000000..665bec36bf --- /dev/null +++ b/chip/stm32/config-stm32f76x.h @@ -0,0 +1,60 @@ +/* Copyright 2017 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 */ +#define CONFIG_FLASH_SIZE (2048 * 1024) + +/* 3 regions type: 32K, 128K and 256K */ +#define SIZE_32KB (32 * 1024) +#define SIZE_128KB (128 * 1024) +#define SIZE_256KB (256 * 1024) +#define CONFIG_FLASH_REGION_TYPE_COUNT 3 +#define CONFIG_FLASH_MULTIPLE_REGION \ + (5 + (CONFIG_FLASH_SIZE - SIZE_256KB) / SIZE_256KB) + +/* Erasing 256K can take up to 2s, need to defer erase. */ +#define CONFIG_FLASH_DEFERRED_ERASE + +/* minimum write size for 3.3V. 1 for 1.8V */ +#define STM32_FLASH_WRITE_SIZE_1800 1 +#define STM32_FLASH_WS_DIV_1800 16000000 +#define STM32_FLASH_WRITE_SIZE_3300 4 +#define STM32_FLASH_WS_DIV_3300 30000000 + +/* No page mode on STM32F, so no benefit to larger write sizes */ +#define CONFIG_FLASH_WRITE_IDEAL_SIZE CONFIG_FLASH_WRITE_SIZE + +/* DTCM-RAM: 128kB 0x20000000 - 0x2001FFFF*/ +/* SRAM1: 368kB 0x20020000 - 0x2007BFFF */ +/* SRAM2: 16kB 0x2007C000 - 0x2007FFFF */ +#define CONFIG_RAM_BASE 0x20000000 +#define CONFIG_RAM_SIZE 0x00080000 + +#define CONFIG_RO_MEM_OFF 0 +#define CONFIG_RO_SIZE (1024 * 1024) +#define CONFIG_RW_MEM_OFF (1024 * 1024) +#define CONFIG_RW_SIZE (1024 * 1024) + +#define CONFIG_RO_STORAGE_OFF 0 +#define CONFIG_RW_STORAGE_OFF 0 + +#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 + +#undef I2C_PORT_COUNT +#define I2C_PORT_COUNT 4 + +/* Use PSTATE embedded in the RO image, not in its own erase block */ +#define CONFIG_FLASH_PSTATE +#undef CONFIG_FLASH_PSTATE_BANK + +/* Number of IRQ vectors on the NVIC */ +#define CONFIG_IRQ_COUNT 109 |