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eeprom: Add device model based I2C support to eeprom command
After this change the 'eeprom' command can be used with DM aware boards. Signed-off-by: Lukasz Majewski <lukma@denx.de>
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parent
8ce7f2c115
commit
0c07a9b407
1 changed files with 21 additions and 3 deletions
24
cmd/eeprom.c
24
cmd/eeprom.c
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@ -137,6 +137,23 @@ static int eeprom_rw_block(unsigned offset, uchar *addr, unsigned alen,
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spi_write(addr, alen, buffer, len);
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#else /* I2C */
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#if defined(CONFIG_DM_I2C) && defined(CONFIG_SYS_I2C_EEPROM_BUS)
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struct udevice *dev;
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ret = i2c_get_chip_for_busnum(CONFIG_SYS_I2C_EEPROM_BUS, addr[0],
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alen - 1, &dev);
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if (ret) {
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printf("%s: Cannot find udev for a bus %d\n", __func__,
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CONFIG_SYS_I2C_EEPROM_BUS);
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return CMD_RET_FAILURE;
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}
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if (read)
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ret = dm_i2c_read(dev, offset, buffer, len);
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else
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ret = dm_i2c_write(dev, offset, buffer, len);
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#else /* Non DM I2C support - will be removed */
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#if defined(CONFIG_SYS_I2C_EEPROM_BUS)
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i2c_set_bus_num(CONFIG_SYS_I2C_EEPROM_BUS);
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#endif
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@ -145,10 +162,11 @@ static int eeprom_rw_block(unsigned offset, uchar *addr, unsigned alen,
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ret = i2c_read(addr[0], offset, alen - 1, buffer, len);
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else
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ret = i2c_write(addr[0], offset, alen - 1, buffer, len);
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if (ret)
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ret = 1;
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#endif
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#endif /* CONFIG_DM_I2C && CONFIG_SYS_I2C_EEPROM_BUS */
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if (ret)
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ret = CMD_RET_FAILURE;
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return ret;
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}
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