45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* Copyright 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
|