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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-03-15 15:18:31 +0100 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-03-15 15:18:31 +0100 |
| commit | 6579d15c58e2b6b051f126ea8b77dd767252aa14 (patch) | |
| tree | cac9f9205db8c28a764ad8282d3a909bf95e8db4 /arch/arm/include/asm/arch-mxs/regs-ssp.h | |
| parent | c44bb3a30f5a1332176edce1a91c0e2cf666ee8f (diff) | |
| parent | 19a0f7fa271de0345bb2df90d443c547c41e8037 (diff) | |
Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/arm/include/asm/arch-mxs/regs-ssp.h')
| -rw-r--r-- | arch/arm/include/asm/arch-mxs/regs-ssp.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mxs/regs-ssp.h b/arch/arm/include/asm/arch-mxs/regs-ssp.h index 9b30f56f54..5920f9b4dc 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) { |