diff options
| author | Daisuke Nojiri <dnojiri@chromium.org> | 2015-06-25 16:19:49 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-07-06 09:39:48 +0200 |
| commit | 394933640bc0515617117ed0cb8de7702bc9c1bf (patch) | |
| tree | 12ca61aa19aa0ef2e7f611166c28472489cfe835 /payloads/libpayload/include/arm64 | |
| parent | c2b48e55f1d4bd02a07515164ddcca472bf47351 (diff) | |
libpayload: arm(64): add read8/16/32 and write8/16/32
This applys the same change made by
https://chromium-review.googlesource.com/261692
to libpayload.
BUG=none
BRANCH=tot
TEST=built for veyron_jerry, rush_ryu, samus
Change-Id: I26dd66d79cd1559a7852b3c9d252420f2fed5fa0
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: d0d6f70aa805e18966e80618fbf9e9605274b030
Original-Change-Id: Ib0c199238f8fa58643d51782b17550dbd0d9ebd7
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/282541
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/10773
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'payloads/libpayload/include/arm64')
| -rw-r--r-- | payloads/libpayload/include/arm64/arch/io.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/payloads/libpayload/include/arm64/arch/io.h b/payloads/libpayload/include/arm64/arch/io.h index f8be1aec95..c177598d86 100644 --- a/payloads/libpayload/include/arm64/arch/io.h +++ b/payloads/libpayload/include/arm64/arch/io.h @@ -35,6 +35,14 @@ #include <arch/cache.h> #include <arch/lib_helpers.h> +/* + * readb/w/l writeb/w/l are deprecated. use read8/16/32 and write8/16/32 + * instead for future development. + * + * TODO: make the existing code use read8/16/32 and write8/16/32 then remove + * readb/w/l and writeb/w/l. + */ + static inline uint8_t readb(volatile const void *_a) { dmb(); @@ -74,4 +82,43 @@ static inline void writel(uint32_t _v, volatile void *_a) dmb(); } +static inline uint8_t read8(const void *addr) +{ + dmb(); + return *(volatile uint8_t *)addr; +} + +static inline uint16_t read16(const void *addr) +{ + dmb(); + return *(volatile uint16_t *)addr; +} + +static inline uint32_t read32(const void *addr) +{ + dmb(); + return *(volatile uint32_t *)addr; +} + +static inline void write8(void *addr, uint8_t val) +{ + dmb(); + *(volatile uint8_t *)addr = val; + dmb(); +} + +static inline void write16(void *addr, uint16_t val) +{ + dmb(); + *(volatile uint16_t *)addr = val; + dmb(); +} + +static inline void write32(void *addr, uint32_t val) +{ + dmb(); + *(volatile uint32_t *)addr = val; + dmb(); +} + #endif |