diff options
| -rw-r--r-- | drivers/misc/i2c_eeprom.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/misc/i2c_eeprom.c b/drivers/misc/i2c_eeprom.c index 934f82074d5..6c0459dc555 100644 --- a/drivers/misc/i2c_eeprom.c +++ b/drivers/misc/i2c_eeprom.c @@ -15,6 +15,8 @@ struct i2c_eeprom_drv_data { u32 size; /* size in bytes */ u32 pagewidth; /* pagesize = 2^pagewidth */ + u32 addr_offset_mask; /* bits in addr used for offset overflow */ + u32 offset_len; /* size in bytes of offset */ }; int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, int size) @@ -140,6 +142,11 @@ static int i2c_eeprom_std_probe(struct udevice *dev) { u8 test_byte; int ret; + struct i2c_eeprom_drv_data *data = + (struct i2c_eeprom_drv_data *)dev_get_driver_data(dev); + + i2c_set_chip_offset_len(dev, data->offset_len); + i2c_set_chip_addr_offset_mask(dev, data->addr_offset_mask); /* Verify that the chip is functional */ ret = i2c_eeprom_read(dev, 0, &test_byte, 1); @@ -152,71 +159,99 @@ static int i2c_eeprom_std_probe(struct udevice *dev) static const struct i2c_eeprom_drv_data eeprom_data = { .size = 0, .pagewidth = 0, + .addr_offset_mask = 0, + .offset_len = 1, }; static const struct i2c_eeprom_drv_data mc24aa02e48_data = { .size = 256, .pagewidth = 3, + .addr_offset_mask = 0, + .offset_len = 1, }; static const struct i2c_eeprom_drv_data atmel24c01a_data = { .size = 128, .pagewidth = 3, + .addr_offset_mask = 0, + .offset_len = 1, }; static const struct i2c_eeprom_drv_data atmel24c02_data = { .size = 256, .pagewidth = 3, + .addr_offset_mask = 0, + .offset_len = 1, }; static const struct i2c_eeprom_drv_data atmel24c04_data = { .size = 512, .pagewidth = 4, + .addr_offset_mask = 0x1, + .offset_len = 1, }; static const struct i2c_eeprom_drv_data atmel24c08_data = { .size = 1024, .pagewidth = 4, + .addr_offset_mask = 0x3, + .offset_len = 1, }; static const struct i2c_eeprom_drv_data atmel24c08a_data = { .size = 1024, .pagewidth = 4, + .addr_offset_mask = 0x3, + .offset_len = 1, }; static const struct i2c_eeprom_drv_data atmel24c16a_data = { .size = 2048, .pagewidth = 4, + .addr_offset_mask = 0x7, + .offset_len = 1, }; static const struct i2c_eeprom_drv_data atmel24mac402_data = { .size = 256, .pagewidth = 4, + .addr_offset_mask = 0, + .offset_len = 1, }; static const struct i2c_eeprom_drv_data atmel24c32_data = { .size = 4096, .pagewidth = 5, + .addr_offset_mask = 0, + .offset_len = 2, }; static const struct i2c_eeprom_drv_data atmel24c64_data = { .size = 8192, .pagewidth = 5, + .addr_offset_mask = 0, + .offset_len = 2, }; static const struct i2c_eeprom_drv_data atmel24c128_data = { .size = 16384, .pagewidth = 6, + .addr_offset_mask = 0, + .offset_len = 2, }; static const struct i2c_eeprom_drv_data atmel24c256_data = { .size = 32768, .pagewidth = 6, + .addr_offset_mask = 0, + .offset_len = 2, }; static const struct i2c_eeprom_drv_data atmel24c512_data = { .size = 65536, .pagewidth = 6, + .addr_offset_mask = 0, + .offset_len = 2, }; static const struct udevice_id i2c_eeprom_std_ids[] = { |