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# Copyright 2022 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# This file defines the correct defaults when using the MEC172x series chipset
#
if SOC_SERIES_MEC172X
#
# MEC1727NSZ: 416KB total SRAM as 352 KiB Code and 64 KiB data.
# Top 2KB of data SRAM used by Boot-ROM and a 1KB persistent
# region for customer use.
# 512 KiB internal SPI flash
# Code RAM base for MEC172x series
# First 4KB reserved for SRAM based EC LFW functionality
# Experiment remove reserve of first 4KB and use ROM load API
config CROS_EC_PROGRAM_MEMORY_BASE
default 0xc0000
# Data SRAM base
config CROS_EC_RAM_BASE
default 0x118000
# Total data SRAM size
config CROS_EC_DATA_RAM_SIZE
default 0x010000
# Top 2KB reserved for PUF leaving 62KB
# 61KB for data + 1KB persistent across chip reset.
config CROS_EC_RAM_SIZE
default 0x00f800
config FLASH_SIZE
default 512
config CROS_EC_RO_MEM_OFF
default 0x0
# was 0x40000
config CROS_EC_RO_SIZE
default 0x3F000
# RW firmware in program memory - Identical to RO, only one image loaded at a
# time.
config CROS_EC_RW_MEM_OFF
default 0x0
config CROS_EC_RW_SIZE
default 0x40000
endif # SOC_SERIES_MEC172X
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