diff options
Diffstat (limited to 'include/linux/litex.h')
-rw-r--r-- | include/linux/litex.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/include/linux/litex.h b/include/linux/litex.h index 67c1a18a7425..918bab45243c 100644 --- a/include/linux/litex.h +++ b/include/linux/litex.h @@ -24,11 +24,23 @@ #define LITEX_SUBREG_SIZE 0x1 #define LITEX_SUBREG_SIZE_BIT (LITEX_SUBREG_SIZE * 8) +static inline void _write_litex_subregister(u32 val, void __iomem *addr) +{ + writel((u32 __force)cpu_to_le32(val), addr); +} + +static inline u32 _read_litex_subregister(void __iomem *addr) +{ + return le32_to_cpu((__le32 __force)readl(addr)); +} + #define WRITE_LITEX_SUBREGISTER(val, base_offset, subreg_id) \ - writel((u32 __force)cpu_to_le32(val), base_offset + (LITEX_REG_SIZE * subreg_id)) + _write_litex_subregister(val, (base_offset) + \ + LITEX_REG_SIZE * (subreg_id)) #define READ_LITEX_SUBREGISTER(base_offset, subreg_id) \ - le32_to_cpu((__le32 __force)readl(base_offset + (LITEX_REG_SIZE * subreg_id))) + _read_litex_subregister((base_offset) + \ + LITEX_REG_SIZE * (subreg_id)) /* * LiteX SoC Generator, depending on the configuration, can split a single |