| /* Copyright (c) 2012 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 0x00020000 |
| #define CONFIG_FLASH_BANK_SIZE 0x1000 |
| #define CONFIG_FLASH_ERASE_SIZE 0x0100 /* erase bank size */ |
| |
| /* |
| * TODO(crosbug.com/p/23805): Technically we can write in word-mode (4 bytes at |
| * a time), but that's really slow, and older host interfaces which can't ask |
| * about the ideal size would then end up writing in that mode instead of the |
| * faster page mode. So lie about the write size for now. Once all software |
| * (flashrom, u-boot, ectool) which cares has been updated to know about ver.1 |
| * of EC_CMD_GET_FLASH_INFO, we can remove this workaround. |
| */ |
| #define CONFIG_FLASH_WRITE_SIZE 0x0080 |
| |
| /* Ideal write size in page-mode */ |
| #define CONFIG_FLASH_WRITE_IDEAL_SIZE 0x0080 |
| |
| #define CONFIG_RAM_BASE 0x20000000 |
| #define CONFIG_RAM_SIZE 0x00004000 |
| |
| /* Number of IRQ vectors on the NVIC */ |
| #define CONFIG_IRQ_COUNT 45 |
| |
| /* Lots of RAM, so use bigger UART buffer */ |
| #undef CONFIG_UART_TX_BUF_SIZE |
| #define CONFIG_UART_TX_BUF_SIZE 2048 |
| |
| /* Use DMA for UART receive */ |
| #define CONFIG_UART_RX_DMA |
| |
| /* Flash erases to 0, not 1 */ |
| #define CONFIG_FLASH_ERASED_VALUE32 0 |
| |
| /* USB packet ram config */ |
| #define CONFIG_USB_RAM_BASE 0x40006000 |
| #define CONFIG_USB_RAM_SIZE 512 |
| #define CONFIG_USB_RAM_ACCESS_TYPE uint32_t |
| #define CONFIG_USB_RAM_ACCESS_SIZE 4 |
