diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/clock.c | 3 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mxs/dma.h | 19 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mxs/regs-ssp.h | 26 |
3 files changed, 46 insertions, 2 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/clock.c b/arch/arm/cpu/arm926ejs/mxs/clock.c index 00b9aba..43e7663 100644 --- a/arch/arm/cpu/arm926ejs/mxs/clock.c +++ b/arch/arm/cpu/arm926ejs/mxs/clock.c @@ -289,7 +289,8 @@ static uint32_t mxs_get_sspclk(enum mxs_sspclock ssp) void mxs_set_ssp_busclock(unsigned int bus, uint32_t freq) { struct mxs_ssp_regs *ssp_regs; - const uint32_t sspclk = mxs_get_sspclk(bus); + const enum mxs_sspclock clk = mxs_ssp_clock_by_bus(bus); + const uint32_t sspclk = mxs_get_sspclk(clk); uint32_t reg; uint32_t divide, rate, tgtclk; diff --git a/arch/arm/include/asm/arch-mxs/dma.h b/arch/arm/include/asm/arch-mxs/dma.h index a0a0ea5..1ac8696 100644 --- a/arch/arm/include/asm/arch-mxs/dma.h +++ b/arch/arm/include/asm/arch-mxs/dma.h @@ -40,6 +40,19 @@ /* * MXS DMA channels */ +#if defined(CONFIG_MX23) +enum { + MXS_DMA_CHANNEL_AHB_APBH_LCDIF = 0, + MXS_DMA_CHANNEL_AHB_APBH_SSP0, + MXS_DMA_CHANNEL_AHB_APBH_SSP1, + MXS_DMA_CHANNEL_AHB_APBH_RESERVED0, + MXS_DMA_CHANNEL_AHB_APBH_GPMI0, + MXS_DMA_CHANNEL_AHB_APBH_GPMI1, + MXS_DMA_CHANNEL_AHB_APBH_GPMI2, + MXS_DMA_CHANNEL_AHB_APBH_GPMI3, + MXS_MAX_DMA_CHANNELS, +}; +#elif defined(CONFIG_MX28) enum { MXS_DMA_CHANNEL_AHB_APBH_SSP0 = 0, MXS_DMA_CHANNEL_AHB_APBH_SSP1, @@ -53,9 +66,13 @@ enum { MXS_DMA_CHANNEL_AHB_APBH_GPMI5, MXS_DMA_CHANNEL_AHB_APBH_GPMI6, MXS_DMA_CHANNEL_AHB_APBH_GPMI7, - MXS_DMA_CHANNEL_AHB_APBH_SSP, + MXS_DMA_CHANNEL_AHB_APBH_HSADC, + MXS_DMA_CHANNEL_AHB_APBH_LCDIF, + MXS_DMA_CHANNEL_AHB_APBH_RESERVED0, + MXS_DMA_CHANNEL_AHB_APBH_RESERVED1, MXS_MAX_DMA_CHANNELS, }; +#endif /* * MXS DMA hardware command. diff --git a/arch/arm/include/asm/arch-mxs/regs-ssp.h b/arch/arm/include/asm/arch-mxs/regs-ssp.h index 9b30f56..5920f9b 100644 --- a/arch/arm/include/asm/arch-mxs/regs-ssp.h +++ b/arch/arm/include/asm/arch-mxs/regs-ssp.h @@ -74,6 +74,32 @@ struct mxs_ssp_regs { }; #endif +static inline int mxs_ssp_bus_id_valid(int bus) +{ +#if defined(CONFIG_MX23) + const unsigned int mxs_ssp_chan_count = 2; +#elif defined(CONFIG_MX28) + const unsigned int mxs_ssp_chan_count = 4; +#endif + + if (bus >= mxs_ssp_chan_count) + return 0; + + if (bus < 0) + return 0; + + return 1; +} + +static inline int mxs_ssp_clock_by_bus(unsigned int clock) +{ +#if defined(CONFIG_MX23) + return 0; +#elif defined(CONFIG_MX28) + return clock; +#endif +} + static inline struct mxs_ssp_regs *mxs_ssp_regs_by_bus(unsigned int port) { switch (port) { |