| # Nuvoton Cortex-M4 Embedded Controller |
| |
| # Copyright (c) 2020 Nuvoton Technology Corporation. |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| config SOC_FAMILY_NPCX |
| bool |
| |
| if SOC_FAMILY_NPCX |
| config SOC_FAMILY |
| string |
| default "nuvoton_npcx" |
| |
| menuconfig NPCX_HEADER |
| bool "Enable the output binary with NPCX binary header" |
| help |
| On NPCX series chip, the NPCX ROM code loads firmware image from flash |
| to RAM by the firmware binary header setting. Enable this to invoke |
| the 'ecst' which generates the NPCX firmware header. |
| |
| if NPCX_HEADER |
| |
| config NPCX_HEADER_CHIP |
| string |
| default "npcx7m6" if SOC_NPCX7M6FB || SOC_NPCX7M6FC |
| default "npcx7m7" if SOC_NPCX7M7FC |
| |
| choice |
| prompt "Clock rate to use for SPI flash" |
| default NPCX_HEADER_SPI_MAX_CLOCK_20 |
| help |
| This selects the max clock rate that will be used for loading firmware |
| binary from flash to RAM. |
| |
| config NPCX_HEADER_SPI_MAX_CLOCK_20 |
| bool "SPI flash max clock rate of 20 MHz" |
| |
| config NPCX_HEADER_SPI_MAX_CLOCK_25 |
| bool "SPI flash max clock rate of 25 MHz" |
| |
| config NPCX_HEADER_SPI_MAX_CLOCK_33 |
| bool "SPI flash max clock rate of 33 MHz" |
| |
| config NPCX_HEADER_SPI_MAX_CLOCK_40 |
| bool "SPI flash max clock rate of 40 MHz" |
| |
| config NPCX_HEADER_SPI_MAX_CLOCK_50 |
| bool "SPI flash max clock rate of 50 MHz" |
| endchoice |
| |
| config NPCX_HEADER_SPI_MAX_CLOCK |
| int |
| default 20 if NPCX_HEADER_SPI_MAX_CLOCK_20 |
| default 25 if NPCX_HEADER_SPI_MAX_CLOCK_25 |
| default 33 if NPCX_HEADER_SPI_MAX_CLOCK_33 |
| default 40 if NPCX_HEADER_SPI_MAX_CLOCK_40 |
| default 50 if NPCX_HEADER_SPI_MAX_CLOCK_50 |
| |
| choice |
| prompt "Reading mode used by the SPI flash" |
| default NPCX_HEADER_SPI_READ_MODE_NORMAL |
| help |
| This sets the reading mode that can be used by the SPI flash. |
| Reading modes supported are normal, fast, dual, and quad. |
| |
| config NPCX_HEADER_SPI_READ_MODE_NORMAL |
| bool "SPI flash operates with normal reading mode" |
| |
| config NPCX_HEADER_SPI_READ_MODE_FAST |
| bool "SPI flash operates with fast reading mode" |
| |
| config NPCX_HEADER_SPI_READ_MODE_DUAL |
| bool "SPI flash operates with dual reading mode" |
| |
| config NPCX_HEADER_SPI_READ_MODE_QUAD |
| bool "SPI flash operates with quad reading mode" |
| endchoice |
| |
| config NPCX_HEADER_SPI_READ_MODE |
| string |
| default "normal" if NPCX_HEADER_SPI_READ_MODE_NORMAL |
| default "fast" if NPCX_HEADER_SPI_READ_MODE_FAST |
| default "dual" if NPCX_HEADER_SPI_READ_MODE_DUAL |
| default "quad" if NPCX_HEADER_SPI_READ_MODE_QUAD |
| |
| choice |
| prompt "Core clock to SPI flash clock ratio" |
| default NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_1 |
| help |
| This sets the clock ratio (core clock / SPI clock) |
| |
| config NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_1 |
| bool "NPCX SPI clock ratio 1" |
| help |
| The SPI flash clock has the same frequency as the core clock. |
| |
| config NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_2 |
| bool "NPCX SPI clock ratio 2" |
| help |
| The core clock frequency is twice the flash clock frequency. |
| endchoice |
| |
| config NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO |
| int |
| default 1 if NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_1 |
| default 2 if NPCX_HEADER_CORE_CLOCK_SPI_CLOCK_RATIO_2 |
| |
| config NPCX_HEADER_ENABLE_HEADER_CRC |
| bool "Enable header crc check" |
| help |
| When enabled, the header will be verified at boot using a crc |
| checksum. |
| |
| config NPCX_HEADER_ENABLE_FIRMWARE_CRC |
| bool "Enable firmware image crc check" |
| help |
| When enabled, the firmware image will be verified at boot using a |
| crc checksum. |
| |
| choice |
| prompt "Flash size" |
| default NPCX_HEADER_FLASH_SIZE_0P5M_1M if SOC_SERIES_NPCX7 |
| default NPCX_HEADER_FLASH_SIZE_16M |
| help |
| This sets the SPI flash size. |
| |
| config NPCX_HEADER_FLASH_SIZE_0P5M_1M |
| bool "SPI flash size 0.5M or 1M Bytes" |
| help |
| The SPI flash size is 0.5M or 1M Bytes. |
| |
| config NPCX_HEADER_FLASH_SIZE_2M |
| bool "SPI flash size 2M Bytes" |
| help |
| The SPI flash size is 2M Bytes. |
| |
| config NPCX_HEADER_FLASH_SIZE_4M |
| bool "SPI flash size 4M Bytes" |
| help |
| The SPI flash size is 4M Bytes. |
| |
| config NPCX_HEADER_FLASH_SIZE_8M |
| bool "SPI flash size 8M Bytes" |
| help |
| The SPI flash size is 8M Bytes. |
| |
| config NPCX_HEADER_FLASH_SIZE_16M |
| bool "SPI flash size 16M Bytes" |
| help |
| The SPI flash size is 16M Bytes. |
| endchoice |
| |
| config NPCX_HEADER_FLASH_SIZE |
| int |
| default 1 if NPCX_HEADER_FLASH_SIZE_0P5M_1M |
| default 2 if NPCX_HEADER_FLASH_SIZE_2M |
| default 4 if NPCX_HEADER_FLASH_SIZE_4M |
| default 8 if NPCX_HEADER_FLASH_SIZE_8M |
| default 16 if NPCX_HEADER_FLASH_SIZE_16M |
| |
| endif # NPCX_HEADER |
| |
| # Select SoC Part No. and configuration options |
| source "soc/arm/nuvoton_npcx/*/Kconfig.soc" |
| |
| endif # SOC_FAMILY_NPCX |