2018-02-26 10:20 GMT+01:00 Jean Delvare <[email protected]>: > The EEPROMs which hold the SPD data on DDR4 memory modules are no > longer standard AT24C02-compatible EEPROMs. They are 512-byte EEPROMs > which use only 1 I2C address for data access. You need to switch > between the lower page and the upper page of data by sending commands > on the SMBus. > > Signed-off-by: Jean Delvare <[email protected]> > --- > drivers/misc/eeprom/Kconfig | 11 + > drivers/misc/eeprom/Makefile | 1 > drivers/misc/eeprom/ee1004.c | 281 > +++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 293 insertions(+) >
Hi Jean, is there any reason not to use regmap as is done currently in at24? It would spare you a lot of code. Best regards, Bartosz Golaszewski
