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authorMarcelo Povoa <marcelogp@chromium.org>2014-02-18 14:17:38 -0800
committerMarc Jones <marc.jones@se-eng.com>2014-11-13 06:23:17 +0100
commit558e9b55c8394d760603247fe7407a40206f5220 (patch)
tree239290a5a6df91a3d823cdf6765ca8fe94607432 /src/mainboard/tyan
parentd4d29a1a7eabf15d359b44a388ad3b5c5acedcc1 (diff)
libpayload: Add minimal support for PL011 UART
This creates a new PL011 config variable which avoids the infinite busy wait on serial_putchar() because the register mapping is not compatible with current implementation. BUG=None BRANCH=none TEST=printf() works on the PL011 based ARMv8 foundation model Original-Change-Id: I9feda35a50a3488fc504d1561444161e0889deda Original-Signed-off-by: Marcelo Povoa <marcelogp@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/187020 Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> (cherry picked from commit 85779a34a161c324cc8af995ada4393137275f20) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Conflicts: payloads/libpayload/Config.in payloads/libpayload/drivers/serial.c Change-Id: I23c8b3728cd7d2d7692b3e86a679e061e88f7bb5 Reviewed-on: http://review.coreboot.org/7422 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
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