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x86: ivybridge: Measure the MRC code execution time
authorSimon Glass <[email protected]>
Sun, 18 Oct 2015 21:55:36 +0000 (15:55 -0600)
committerSimon Glass <[email protected]>
Wed, 21 Oct 2015 13:46:51 +0000 (07:46 -0600)
commitfd8f4729ac6520e59dd1d3f57d503d8abe345ac5
tree3be919d96966c805b4b217c25ee28200b2c47cb0tree | snapshot
parente9b3967c0c8faefb46213d6698c4bc21bf91598acommit | diff
x86: ivybridge: Measure the MRC code execution time

This code takes about 450ms without the MRC cache and about 27ms with the
cache. Add a debug timer so that this time can be displayed.

Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
arch/x86/cpu/ivybridge/sdram.c diff | blob | history
Broadcom-s U-Boot