This patch enables writing to McBSP Transmit Configuration Control Register (XCCR) and Receive Configuration Control Register (RCCR) for 2430/34xx platforms. It also adds XCCR, RCCR entries in McBSP register configuration structure and bit definitions for both registers.
Signed-off-by: Misael Lopez Cruz <[email protected]> --- arch/arm/plat-omap/include/mach/mcbsp.h | 7 +++++++ arch/arm/plat-omap/mcbsp.c | 4 ++++ 2 files changed, 11 insertions(+), 0 deletions(-) diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h index 6a0d1a0..cc48f2f 100644 --- a/arch/arm/plat-omap/include/mach/mcbsp.h +++ b/arch/arm/plat-omap/include/mach/mcbsp.h @@ -231,11 +231,16 @@ #define XPBBLK(value) ((value)<<7) /* Bits 7:8 */ /*********************** McBSP XCCR bit definitions *************************/ +#define EXTCLKGATE 0x8000 +#define PPCONNECT 0x4000 +#define DXENDLY(value) ((value)<<12) /* Bits 12:13 */ +#define XFULL_CYCLE 0x0800 #define DILB 0x0020 #define XDMAEN 0x0008 #define XDISABLE 0x0001 /********************** McBSP RCCR bit definitions *************************/ +#define RFULL_CYCLE 0x0800 #define RDMAEN 0x0008 #define RDISABLE 0x0001 @@ -267,6 +272,8 @@ struct omap_mcbsp_reg_cfg { u16 rcerh; u16 xcerg; u16 xcerh; + u16 xccr; + u16 rccr; }; typedef enum { diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index af33fc7..f2401a8 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -173,6 +173,10 @@ void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg *config) OMAP_MCBSP_WRITE(io_base, MCR2, config->mcr2); OMAP_MCBSP_WRITE(io_base, MCR1, config->mcr1); OMAP_MCBSP_WRITE(io_base, PCR0, config->pcr0); + if (cpu_is_omap2430() || cpu_is_omap34xx()) { + OMAP_MCBSP_WRITE(io_base, XCCR, config->xccr); + OMAP_MCBSP_WRITE(io_base, RCCR, config->rccr); + } } EXPORT_SYMBOL(omap_mcbsp_config); -- 1.5.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
