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authorStefan Roese <sr@denx.de>2010-07-21 19:06:10 +0200
committerStefan Roese <sr@denx.de>2010-07-23 09:54:54 +0200
commit58eb869ffc45856658648e24a88d47fdd3768b53 (patch)
treea3a32d1ae66a0b62b801c64587af570f87676efd /drivers/net/rtl8019.h
parentb995d7cb2c1e47305cd7feb2513ed37d30f8edd3 (diff)
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ppc4xx: Add "ecctest" command to test/simulate ECC errors
This patch adds the "ecctest" command to test and simulate ECC errors (single bit and/or double bit) while running from SDRAM. Currently only the IBM DDR2 controller is supported (405EX, 440SP(e), 460EX/GT). This is done by copying and calling functions, modifying the SDRAM controller operation mode, in internal SRAM/OCM. For correctable ECC errors (single bit) only the status will be printed since the DDR2 controller doesn't provide the faulting address: => ecctest 1000000 1 Using address 01000000 for 1 bit ECC error injection ECC: Correctable error Uncorrectable ECC errors (double bit) will also display the faulting address: => ecctest 1000000 2 Using address 01000000 for 2 bit ECC error injection ECC: Uncorrectable error at 0x0001000000 To enable this "ecctest" function you need to define CONFIG_CMD_ECCTEST in the board config header. Tested on katmai and t3corp. Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/net/rtl8019.h')
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