diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.LED_display | 1 | ||||
| -rw-r--r-- | doc/README.POST | 19 | ||||
| -rw-r--r-- | doc/README.fsl-ddr | 14 | ||||
| -rw-r--r-- | doc/README.scrapyard | 1 |
4 files changed, 28 insertions, 7 deletions
diff --git a/doc/README.LED_display b/doc/README.LED_display index 521746e..19977ea 100644 --- a/doc/README.LED_display +++ b/doc/README.LED_display @@ -14,7 +14,6 @@ This function should control the state of the LED display. Argument is an ORed combination of the following values: DISPLAY_CLEAR -- clear the display DISPLAY_HOME -- set the position to the beginning of display - DISPLAY_MARK -- enable mark (decimal point), if implemented int display_putc(char c); diff --git a/doc/README.POST b/doc/README.POST index eeb218d..6815d49 100644 --- a/doc/README.POST +++ b/doc/README.POST @@ -659,12 +659,19 @@ 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. + +The CONFIG_SYS_POST_I2C_IGNORES define can be used to list I2C +devices which may or may not be present when using +CONFIG_SYS_POST_I2C_ADDRS. The I2C POST test will pass regardless +if the devices in CONFIG_SYS_POST_I2C_IGNORES are found or not. +This is useful in cases when I2C devices are optional (eg on a +daughtercard that may or may not be present) or not critical +to board operation. 2.2.2.2. Watchdog timer test diff --git a/doc/README.fsl-ddr b/doc/README.fsl-ddr index e108a0d..1657ef6 100644 --- a/doc/README.fsl-ddr +++ b/doc/README.fsl-ddr @@ -78,6 +78,20 @@ If the DDR controller supports address hashing, it can be enabled by hwconfig. Syntax is: hwconfig=fsl_ddr:addr_hash=true + +Memory testing options for mpc85xx +================================== +1. Memory test can be done once U-boot prompt comes up using mtest, or +2. Memory test can be done with Power-On-Self-Test function, activated at + compile time. + + In order to enable the POST memory test, CONFIG_POST needs to be + defined in board configuraiton header file. By default, POST memory test + performs a fast test. A slow test can be enabled by changing the flag at + compiling time. To test memory bigger than 2GB, 36BIT support is needed. + Memory is tested within a 2GB window. TLBs are used to map the virtual 2GB + window to physical address so that all physical memory can be tested. + Combination of hwconfig ======================= Hwconfig can be combined with multiple parameters, for example, on a supported diff --git a/doc/README.scrapyard b/doc/README.scrapyard index a707c6f..4286559 100644 --- a/doc/README.scrapyard +++ b/doc/README.scrapyard @@ -11,6 +11,7 @@ easily if here is something they might want to dig for... Board Arch CPU removed Commit last known maintainer/contact ============================================================================= +VoVPN-GW_100MHz powerpc MPC8260 - 2010-10-24 Juergen Selent <j.selent@elmeg.de> NC650 powerpc MPC852 333d86d 2010-10-19 Wolfgang Denk <wd@denx.de> CP850 powerpc MPC852 333d86d 2010-10-19 Wolfgang Denk <wd@denx.de> logodl ARM PXA2xx 059e778 2010-10-18 August Hoeraendl <august.hoerandl@gmx.at> |