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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.POST | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/doc/README.POST b/doc/README.POST index eeb218d39c..695497e4be 100644 --- a/doc/README.POST +++ b/doc/README.POST @@ -659,12 +659,11 @@ not need any modifications for porting them to another board/CPU. 2.2.2.1. I2C test For verifying the I2C bus, a full I2C bus scanning will be performed -using the i2c_probe() routine. If any I2C device is found, the test -will be considered as passed, otherwise failed. This particular way -will be used because it provides the most common method of testing. -For example, using the internal loopback mode of the CPM I2C -controller for testing would not work on boards where the software -I2C driver (also known as bit-banged driver) is used. +using the i2c_probe() routine. If a board defines +CONFIG_SYS_POST_I2C_ADDRS the I2C test will pass if all devices +listed in CONFIG_SYS_POST_I2C_ADDRS are found, and no additional +devices are detected. If CONFIG_SYS_POST_I2C_ADDRS is not defined +the test will pass if any I2C device is found. 2.2.2.2. Watchdog timer test |
