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| author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:45:12 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:37 -0700 |
| commit | affd4a9fa0c4f84758b2d2cdf801256f2c566bbc (patch) | |
| tree | 5b45afbf5cc9dd87a41e5b67d5c8ab1015749f83 /arch/arm | |
| parent | 2460d18c3383b7b024566dd60bf6a725ae37a661 (diff) | |
| download | u-boot-imx-affd4a9fa0c4f84758b2d2cdf801256f2c566bbc.zip u-boot-imx-affd4a9fa0c4f84758b2d2cdf801256f2c566bbc.tar.gz u-boot-imx-affd4a9fa0c4f84758b2d2cdf801256f2c566bbc.tar.bz2 | |
rockchip: Tidy up the register-access macros
These work reasonable well, but there are a few errors:
- Brackets should be used to avoid unexpected side-effects
- When setting bits, the corresponding upper 16 bits should be set also
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/arch-rockchip/hardware.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/hardware.h b/arch/arm/include/asm/arch-rockchip/hardware.h index d5af5b8..08a66ef 100644 --- a/arch/arm/include/asm/arch-rockchip/hardware.h +++ b/arch/arm/include/asm/arch-rockchip/hardware.h @@ -7,14 +7,15 @@ #ifndef _ASM_ARCH_HARDWARE_H #define _ASM_ARCH_HARDWARE_H -#define RK_CLRSETBITS(clr, set) ((((clr) | (set)) << 16) | set) +#define RK_CLRSETBITS(clr, set) ((((clr) | (set)) << 16) | (set)) #define RK_SETBITS(set) RK_CLRSETBITS(0, set) #define RK_CLRBITS(clr) RK_CLRSETBITS(clr, 0) #define TIMER7_BASE 0xff810020 -#define rk_clrsetreg(addr, clr, set) writel((clr) << 16 | (set), addr) +#define rk_clrsetreg(addr, clr, set) \ + writel(((clr) | (set)) << 16 | (set), addr) #define rk_clrreg(addr, clr) writel((clr) << 16, addr) -#define rk_setreg(addr, set) writel(set, addr) +#define rk_setreg(addr, set) writel((set) << 16 | (set), addr) #endif |