diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/clock.c | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mxs/regs-ssp.h | 16 |
2 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/clock.c b/arch/arm/cpu/arm926ejs/mxs/clock.c index 4ff19c3..5d6e12a 100644 --- a/arch/arm/cpu/arm926ejs/mxs/clock.c +++ b/arch/arm/cpu/arm926ejs/mxs/clock.c @@ -278,7 +278,7 @@ void mx28_set_ssp_busclock(unsigned int bus, uint32_t freq) uint32_t reg; uint32_t divide, rate, tgtclk; - ssp_regs = (struct mxs_ssp_regs *)(MXS_SSP0_BASE + (bus * 0x2000)); + ssp_regs = mxs_ssp_regs_by_bus(bus); /* * SSP bit rate = SSPCLK / (CLOCK_DIVIDE * (1 + CLOCK_RATE)), diff --git a/arch/arm/include/asm/arch-mxs/regs-ssp.h b/arch/arm/include/asm/arch-mxs/regs-ssp.h index cf52a28..4a75029 100644 --- a/arch/arm/include/asm/arch-mxs/regs-ssp.h +++ b/arch/arm/include/asm/arch-mxs/regs-ssp.h @@ -50,6 +50,22 @@ struct mxs_ssp_regs { mxs_reg_32(hw_ssp_debug) mxs_reg_32(hw_ssp_version) }; + +static inline struct mxs_ssp_regs *mxs_ssp_regs_by_bus(unsigned int port) +{ + switch (port) { + case 0: + return (struct mxs_ssp_regs *)MXS_SSP0_BASE; + case 1: + return (struct mxs_ssp_regs *)MXS_SSP1_BASE; + case 2: + return (struct mxs_ssp_regs *)MXS_SSP2_BASE; + case 3: + return (struct mxs_ssp_regs *)MXS_SSP3_BASE; + default: + return NULL; + } +} #endif #define SSP_CTRL0_SFTRST (1 << 31) |