diff options
Diffstat (limited to 'include/linux/coresight.h')
| -rw-r--r-- | include/linux/coresight.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 9f445f09fcfe..1554021231f9 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -372,6 +372,29 @@ static inline u32 csdev_access_relaxed_read32(struct csdev_access *csa, return csa->read(offset, true, false); } +static inline u64 csdev_access_relaxed_read_pair(struct csdev_access *csa, + u32 lo_offset, u32 hi_offset) +{ + if (likely(csa->io_mem)) { + return readl_relaxed(csa->base + lo_offset) | + ((u64)readl_relaxed(csa->base + hi_offset) << 32); + } + + return csa->read(lo_offset, true, false) | (csa->read(hi_offset, true, false) << 32); +} + +static inline void csdev_access_relaxed_write_pair(struct csdev_access *csa, u64 val, + u32 lo_offset, u32 hi_offset) +{ + if (likely(csa->io_mem)) { + writel_relaxed((u32)val, csa->base + lo_offset); + writel_relaxed((u32)(val >> 32), csa->base + hi_offset); + } else { + csa->write((u32)val, lo_offset, true, false); + csa->write((u32)(val >> 32), hi_offset, true, false); + } +} + static inline u32 csdev_access_read32(struct csdev_access *csa, u32 offset) { if (likely(csa->io_mem)) |