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usbdebug: Put ehci_debug_info in CAR_GLOBAL

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Store EHCI Debug Port runtime variables in CAR_GLOBAL.
For platforms without CAR_MIGRATION, logging on EHCI Debug Port is
temporarily lost when CAR is torn down at end of romstage.

On model_2065x and model_206ax ehci_debug_info was overlapping the MRC
variable region and additionally migration used incorrect size for
the structure.

Change-Id: I5e6c613b8a4b1dda43d5b69bd437753108760fca
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/3475
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Kyösti Mälkki 2013-07-06 11:41:09 +03:00 • committed by Stefan Reinauer
commit 8ee04d784c
6 changed files with 7 additions and 48 deletions
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5
src/cpu/intel/car/cache_as_ram_ht.inc
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@ -334,12 +334,7 @@ no_msr_11e:
post_code(0x2e)
/* Set up the stack pointer. */
#if CONFIG_USBDEBUG
/* Leave some space for the struct ehci_debug_info. */
movl $(CACHE_AS_RAM_BASE + CACHE_AS_RAM_SIZE - 4 - 128), %esp
#else
movl $(CACHE_AS_RAM_BASE + CACHE_AS_RAM_SIZE - 4), %esp
#endif
/* Restore the BIST result. */
movl %ebp, %eax