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| author | Alistair Delva <adelva@google.com> | 2021-02-16 21:01:22 +0000 |
|---|---|---|
| committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2021-02-16 21:01:22 +0000 |
| commit | efb2826bb8160e2d8e0fcec85133a7468484f9fd (patch) | |
| tree | 37a21c69306801ee7cdda5167a30896c8740155b /drivers/renesas/common/common.c | |
| parent | b00a71fc312c9781fa6f404dccfb55b062b2ccac (diff) | |
| parent | faa476c0caaa598afa5a6109d17102db5fe35ec6 (diff) | |
| download | platform_external_arm-trusted-firmware-master.tar.gz platform_external_arm-trusted-firmware-master.tar.bz2 platform_external_arm-trusted-firmware-master.zip | |
Merge branch 'aosp/upstream-master' into HEAD am: faa476c0caHEADandroid-s-beta-5android-s-beta-4android-s-beta-3android-s-beta-2android-s-beta-1mastermain-cg-testing-releaseandroid-s-beta-5android-s-beta-4
Original change: https://android-review.googlesource.com/c/platform/external/arm-trusted-firmware/+/1589611
MUST ONLY BE SUBMITTED BY AUTOMERGER
Change-Id: I3a25534ceed4f8e188510641080d8b8ed49b8f62
Diffstat (limited to 'drivers/renesas/common/common.c')
| -rw-r--r-- | drivers/renesas/common/common.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/renesas/common/common.c b/drivers/renesas/common/common.c new file mode 100644 index 000000000..9b7c1eb16 --- /dev/null +++ b/drivers/renesas/common/common.c @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2018-2020, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <lib/mmio.h> + +#include "rcar_private.h" + +#if IMAGE_BL31 +void __attribute__ ((section(".system_ram"))) cpg_write(uintptr_t regadr, uint32_t regval) +#else +void cpg_write(uintptr_t regadr, uint32_t regval) +#endif +{ + uint32_t value = regval; + + mmio_write_32((uintptr_t) RCAR_CPGWPR, ~value); + mmio_write_32(regadr, value); +} + +#if IMAGE_BL31 +void __attribute__ ((section(".system_ram"))) mstpcr_write(uint32_t mstpcr, uint32_t mstpsr, + uint32_t target_bit) +#else +void mstpcr_write(uint32_t mstpcr, uint32_t mstpsr, uint32_t target_bit) +#endif +{ + uint32_t reg; + + reg = mmio_read_32(mstpcr); + reg &= ~target_bit; + cpg_write(mstpcr, reg); + while ((mmio_read_32(mstpsr) & target_bit) != 0U) { + } +} |