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misc: i2c_eeprom: add size query
Add ability to query size of eeprom device and partitions Signed-off-by: Robert Beckett <bob.beckett@collabora.com> Reviewed-by: Heiko Schocher <hs@denx.de>
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committed by
Heiko Schocher
parent
1a59cb426d
commit
033e18b47b
@@ -10,6 +10,7 @@ struct i2c_eeprom_ops {
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int (*read)(struct udevice *dev, int offset, uint8_t *buf, int size);
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int (*write)(struct udevice *dev, int offset, const uint8_t *buf,
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int size);
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int (*size)(struct udevice *dev);
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};
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struct i2c_eeprom {
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@@ -17,6 +18,8 @@ struct i2c_eeprom {
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unsigned long pagesize;
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/* The EEPROM's page width in bits (pagesize = 2^pagewidth) */
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unsigned pagewidth;
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/* The EEPROM's capacity in bytes */
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unsigned long size;
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};
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/*
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@@ -43,4 +46,13 @@ int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, int size);
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*/
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int i2c_eeprom_write(struct udevice *dev, int offset, uint8_t *buf, int size);
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/*
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* i2c_eeprom_size() - get size of I2C EEPROM chip
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*
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* @dev: Chip to query
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*
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* @return +ve size in bytes on success, -ve on failure
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*/
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int i2c_eeprom_size(struct udevice *dev);
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#endif
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