diff options
Diffstat (limited to 'chip/stm32/config-stm32f446.h')
| -rw-r--r-- | chip/stm32/config-stm32f446.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/chip/stm32/config-stm32f446.h b/chip/stm32/config-stm32f446.h new file mode 100644 index 0000000000..33b44b71a3 --- /dev/null +++ b/chip/stm32/config-stm32f446.h @@ -0,0 +1,63 @@ +/* Copyright 2016 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 is: (512 * 1024) + * We are limiting the ec.bin size to 128k to reduce flashing time. + */ +#define CONFIG_FLASH_SIZE (128 * 1024) +#define CONFIG_FLASH_BANK_SIZE (16 * 1024) + +/* + * 8 "erase" sectors : 16KB/16KB/16KB/16KB/64KB/128KB/128KB/128KB + * We won't use CONFIG_FLASH_ERASE_SIZE, it will be programmatically + * set in flash-stm32f4.c. However it must be set or the common flash + * code won't build. So we'll set it here. + */ +#define CONFIG_FLASH_ERASE_SIZE (16 * 1024) + +/* minimum write size for 3.3V. 1 for 1.8V */ +#define FLASH_WRITE_SIZE_1800 0x0001 +#define FLASH_WS_DIV_1800 16000000 +#define FLASH_WRITE_SIZE_3300 0x0004 +#define FLASH_WS_DIV_3300 30000000 +#define FLASH_WRITE_SIZE 0x0004 + +#define CONFIG_FLASH_WRITE_SIZE FLASH_WRITE_SIZE + +/* No page mode on STM32F, so no benefit to larger write sizes */ +#define CONFIG_FLASH_WRITE_IDEAL_SIZE FLASH_WRITE_SIZE + +#define CONFIG_RAM_BASE 0x20000000 +#define CONFIG_RAM_SIZE 0x00020000 + +#define CONFIG_RO_MEM_OFF 0 +#define CONFIG_RO_SIZE (48 * 1024) +#define CONFIG_RW_MEM_OFF (64 * 1024) +#define CONFIG_RW_SIZE (64 * 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 + +/* PSTATE lives in one of the smaller blocks. */ +#define CONFIG_FLASH_PSTATE +#define CONFIG_FW_PSTATE_SIZE (16 * 1024) +#define CONFIG_FW_PSTATE_OFF (CONFIG_RO_SIZE) + +#undef I2C_PORT_COUNT +#define I2C_PORT_COUNT 4 + + +/* Number of IRQ vectors on the NVIC */ +#define CONFIG_IRQ_COUNT 97 |