Commit Graph

5 Commits

Author SHA1 Message Date
Furquan Shaikh adabbe5e20 libpayload arm64: Add support for mmu
Adds support for initializing mmu, setting up dma areas and enabling mmu based
on the memranges passed on in the coreboot tables.

CQ-DEPEND=CL:216826
BUG=chrome-os-partner:31634
BRANCH=None
TEST=Compiles successfully

Change-Id: Id41a4255f1cd45a9455840f1eaa53503bd6fef3f
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: f2c6676bf51fcd85b61e9e08a261634a78137c4c
Original-Change-Id: I217bc5a5aff6a1fc0809c769822d820316d5c434
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216823
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8791
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-03-21 13:38:41 +01:00
Furquan Shaikh 635b45d608 libpayload arm64: Add library helpers
Add library helpers to access standard arm64 registers. This library also
provides functions to directly read/write register based on current el. So, rest
of the code doesnt need to keep checking the el and call appropriate function
based on that.

BUG=chrome-os-partner:31634
BRANCH=None
TEST=Libpayload and depthcharge compile successfully for ryu

Change-Id: Ibc0ca49f158362d4b7ab2045bf0fbd58ada79360
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 2ca6da580cb51b4c23abdaf04fee2785e5780510
Original-Change-Id: I9b63e04aa26a98bbeb34fdef634776d49454ca8d
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/214575
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8784
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-03-21 13:35:42 +01:00
Furquan Shaikh ba87e6cc94 libpayload: Add support for memory barriers
Add support for memory barriers in arch {arm,arm64,x86}. This is required to
force strict CPU ordering. Definitions are based on FREEBSD atomic.h
definitions.

BUG=chrome-os-partner:31533
BRANCH=None
TEST=Memory barriers tested with ehci driver on arm64

Change-Id: I50060b0f33a6bd6cb95e829df079df379b2ff2a5
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 937d66cdab92a8521ede8307f5af8f5c20d3e552
Original-Change-Id: Ie51e3452f7a254b24111000da5dbe8714ac22223
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/213916
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8731
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-03-19 23:24:16 +01:00
Furquan Shaikh 69db293aed libpayload arm64: Correct function names for tlb invalidation
Correct function names to make them consistent with depthcharge calling
convention

BUG=None
BRANCH=None
TEST=Compiles successfully for rush

Original-Change-Id: I0fd8f7f929c3fe268710362d1fc19f9e15c4a23b
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/204423
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
(cherry picked from commit 36008e728b840d85bb98225c7bb1420b993181de)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: I4b446da8f2c273385ee885c4870966e18ba2a7a6
Reviewed-on: http://review.coreboot.org/8122
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-01-09 07:07:27 +01:00
Furquan Shaikh 8c8c377584 libpayload: Add support for arm64 in libpayload
Basic support for arm64 is enabled in libpayload.
Features added:
1) mem* operations in assembly.
2) Basic exception handling and support for testing exceptions.
3) Caching support.

Tested with arm64-generic board compilation.

BUG=None
BRANCH=None
TEST=Compilation successful

Original-Change-Id: I4e86301f9c6383abc078e2b70071fb84bd6e4741
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/187067
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
(cherry picked from commit a70d13f3d225535843ab352290eab2e1ec7a9b4b)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: Ie3affe6a2bdd4fed3058de739d4c6aa573e5b251
Reviewed-on: http://review.coreboot.org/8063
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2015-01-09 07:04:28 +01:00