diff options
| -rw-r--r-- | arch/riscv/include/asm/arch-jh7110/eeprom.h | 7 | ||||
| -rw-r--r-- | board/starfive/visionfive2/Kconfig | 9 | ||||
| -rw-r--r-- | board/starfive/visionfive2/visionfive2-i2c-eeprom.c | 18 |
3 files changed, 34 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/arch-jh7110/eeprom.h b/arch/riscv/include/asm/arch-jh7110/eeprom.h index 62d184aeb57..45ad2a5f7bc 100644 --- a/arch/riscv/include/asm/arch-jh7110/eeprom.h +++ b/arch/riscv/include/asm/arch-jh7110/eeprom.h @@ -13,6 +13,13 @@ u8 get_pcb_revision_from_eeprom(void); u32 get_ddr_size_from_eeprom(void); /** + * get_mmc_size_from_eeprom() - read eMMC size from EEPROM + * + * @return: size in GiB or 0 on error. + */ +u32 get_mmc_size_from_eeprom(void); + +/** * get_product_id_from_eeprom - get product ID string * * A string like "VF7110A1-2228-D008E000-00000001" is returned. diff --git a/board/starfive/visionfive2/Kconfig b/board/starfive/visionfive2/Kconfig index 2186a939646..d7e8a7a7d78 100644 --- a/board/starfive/visionfive2/Kconfig +++ b/board/starfive/visionfive2/Kconfig @@ -50,4 +50,13 @@ config BOARD_SPECIFIC_OPTIONS # dummy imply PHY_LIB imply PHY_MSCC +config STARFIVE_NO_EMMC + bool "Report eMMC size as zero" + help + The serial number string in the EEPROM is meant to report the + size of onboard eMMC. Unfortunately some Milk-V Mars CM Lite + modules without eMMC show a non-zero size here. + + Set to 'Y' if you have a Mars CM Lite module. + endif diff --git a/board/starfive/visionfive2/visionfive2-i2c-eeprom.c b/board/starfive/visionfive2/visionfive2-i2c-eeprom.c index 5095a0e9fdb..9648a270494 100644 --- a/board/starfive/visionfive2/visionfive2-i2c-eeprom.c +++ b/board/starfive/visionfive2/visionfive2-i2c-eeprom.c @@ -548,6 +548,24 @@ u32 get_ddr_size_from_eeprom(void) return hextoul(&pbuf.eeprom.atom1.data.pstr[14], NULL); } +u32 get_mmc_size_from_eeprom(void) +{ + u32 size; + + if (IS_ENABLED(CONFIG_STARFIVE_NO_EMMC)) + return 0; + + if (read_eeprom()) + return 0; + + size = dectoul(&pbuf.eeprom.atom1.data.pstr[19], NULL); + + if (pbuf.eeprom.atom1.data.pstr[21] == 'T') + size <<= 10; + + return size; +} + U_BOOT_LONGHELP(mac, "\n" " - display EEPROM content\n" |