diff options
author | Yuval Peress <peress@chromium.org> | 2021-04-06 13:05:26 -0600 |
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committer | Commit Bot <commit-bot@chromium.org> | 2021-04-07 06:03:14 +0000 |
commit | 5e01141c94b2f5667b84c441920e7dedf6e91005 (patch) | |
tree | c6bd7ce374a62125550191b40c7d166428a93bbb /zephyr/Kconfig.flash | |
parent | 70bbc2af478e37d3c74d02d674b96d99da279289 (diff) | |
download | chrome-ec-5e01141c94b2f5667b84c441920e7dedf6e91005.tar.gz |
zephyr: kconfig: move flash configs to separate file
Clean up the root Kconfig for Zephyr by moving sub configs to separate
file (Kconfig.flash).
BRANCH=none
BUG=none
TEST=zmake testall
Signed-off-by: Yuval Peress <peress@chromium.org>
Change-Id: I7ac8ec87bdca8ab799bc1faf47804e34c7a6beda
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2808147
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'zephyr/Kconfig.flash')
-rw-r--r-- | zephyr/Kconfig.flash | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/zephyr/Kconfig.flash b/zephyr/Kconfig.flash new file mode 100644 index 0000000000..74ec9521ed --- /dev/null +++ b/zephyr/Kconfig.flash @@ -0,0 +1,113 @@ +# Copyright 2021 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. + +if PLATFORM_EC_FLASH + +config PLATFORM_EC_SPI_FLASH_REGS + bool "Enable SPI flash registers" + default y + help + Enables flash registers for SPI flash (both internal and external). + When enabled, two new functions will become available: (1) a function + to compute the block write protection range from a set of status + registers, and (2) the inverse function to set the status registers + based on the desired protection offset/length. + +config PLATFORM_EC_PROTECTED_STORAGE_OFF + hex "Position of the RO image in Flash memory" + default 0x0 + help + Sets the position in flash memory where the RO image begins. This is + the address that will be used to start copying the image into RAM. + +config PLATFORM_EC_PROTECTED_STORAGE_SIZE + hex "Size of the RO image in Flash memory" + default 0x40000 + help + The total size of the RO image in flash memory. This will dictate the + ending position of the RO image being copied into RAM when combined + with PLATFORM_EC_PROTECTED_STORAGE_OFF. + +config PLATFORM_EC_WRITABLE_STORAGE_OFF + hex "Position of the RW image in Flash memory" + default 0x40000 + help + Sets the position in flash memory where the RW image begins. This is + the address that will be used to start copying the image into RAM. + +config PLATFORM_EC_WRITABLE_STORAGE_SIZE + hex "Size of the RW image in Flash memory" + default 0x40000 + help + The total size of the RW image in flash memory. This will dictate the + ending position of the RW image being copied into RAM when combined + with PLATFORM_EC_WRITABLE_STORAGE_OFF. + +config PLATFORM_EC_CONSOLE_CMD_CHARGEN + bool "Console command: chargen" + depends on UART_INTERRUPT_DRIVEN + help + Enables the "chargen" console command, which sends a continuous + stream of characters to the EC console. + + This allows to create tests which validate console output by + verifying that no characters in the received sequence were lost. + +config PLATFORM_EC_CONSOLE_CMD_FLASH + bool "Console commands: flasherase, flashread, flashwrite" + default y + help + Enables various console commands: + + flasherase - erase flash region + flashread - read from flash to memory + flashwrite - write memory to flash + +config PLATFORM_EC_CONSOLE_CMD_FLASHINFO + bool "Console commands: flashinfo" + default y + help + Enables various console commands: + + flashinfo - displays information about the flash storage + +config PLATFORM_EC_CONSOLE_CMD_FLASH_WP + bool "Console commands: flashwp" + default y + help + Enables various console commands: + + flashwp - change write-protection settings + +config PLATFORM_EC_CONSOLE_CMD_SYSJUMP + bool "Console command: sysjump" + default y + help + Enables the sysjump console command used for testing and verifying + that we're able to jump between images. Normally, in an EC build, + there will exist 2 images (sometimes more): read-only (RO) and + read-write (RW). This console command allows us to manually jump + between the various images (or even to a random starting address) by + copying the image data from flash to ram, then jumping to the image's + entry point. + +config PLATFORM_EC_EXTERNAL_STORAGE + bool "Flash is stored external to the EC" + default y if SOC_FAMILY_NPCX + help + This indicates that the EC's flash is stored separately and is it + not possible execute directly from it. Code must be loaded from + the flash into internal SRAM before it can be executed. It is still + possible to read and write the flash. + +config PLATFORM_EC_MAPPED_STORAGE + bool "Flash is mapped into the EC's address space" + default y if SOC_FAMILY_NPCX + help + This indicates that the EC's flash is directly mapped into + its address space. This makes it easier to read and write the flash. + If this is not defined, the flash driver must implement + flash_physical_read(). + +endif # PLATFORM_EC_FLASH |