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integrator: fix Linux boot failure by emulating dbg region

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Commit 9b8c69243 (since reverted) broke the ability to boot the kernel
as the value returned by unassigned_mem_read returned non-zero and left
the kernel looping forever waiting for it to change (see
integrator_led_set in the kernel code).

Relying on a varying implementation detail is incorrect anyway so this
introduces a basic stub of a memory region for the debug/LED section
on the integrator board.

Signed-off-by: Alex Bennée <alex@bennee.com>
Message-id: 1382451366-9539-1-git-send-email-alex.bennee@linaro.org
[PMM: removed three unused fields from struct IntegratorDebugState]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Alex Bennée 2013-10-22 15:16:06 +01:00 • committed by Edgar E. Iglesias
parent 0bc2a331e4
commit b86160555f
5 changed files with 121 additions and 0 deletions
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default-configs/arm-softmmu.mak
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@ -79,3 +79,4 @@ CONFIG_VERSATILE_PCI=y
CONFIG_VERSATILE_I2C=y
CONFIG_SDHCI=y
CONFIG_INTEGRATOR_DEBUG=y