Export a function get_product_id_from_eeprom() to read the product ID. This value can be used for fixing up the device-tree on JH7110 based products.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- arch/riscv/include/asm/arch-jh7110/eeprom.h | 9 +++++++++ board/starfive/visionfive2/visionfive2-i2c-eeprom.c | 8 ++++++++ 2 files changed, 17 insertions(+)
diff --git a/arch/riscv/include/asm/arch-jh7110/eeprom.h b/arch/riscv/include/asm/arch-jh7110/eeprom.h index d2776d5b6cb..62d184aeb57 100644 --- a/arch/riscv/include/asm/arch-jh7110/eeprom.h +++ b/arch/riscv/include/asm/arch-jh7110/eeprom.h @@ -12,4 +12,13 @@ u8 get_pcb_revision_from_eeprom(void); u32 get_ddr_size_from_eeprom(void);
+/** + * get_product_id_from_eeprom - get product ID string + * + * A string like "VF7110A1-2228-D008E000-00000001" is returned. + * + * Return: product ID string + */ +const char *get_product_id_from_eeprom(void); + #endif /* _ASM_RISCV_EEPROM_H */ diff --git a/board/starfive/visionfive2/visionfive2-i2c-eeprom.c b/board/starfive/visionfive2/visionfive2-i2c-eeprom.c index c36de1a5125..a9f4376c8e1 100644 --- a/board/starfive/visionfive2/visionfive2-i2c-eeprom.c +++ b/board/starfive/visionfive2/visionfive2-i2c-eeprom.c @@ -405,6 +405,14 @@ static void set_product_id(char *string) update_crc(); }
+const char *get_product_id_from_eeprom(void) +{ + if (read_eeprom()) + return NULL; + + return pbuf.eeprom.atom1.data.pstr; +} + int do_mac(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { char *cmd;