Author: gonzo Date: Mon Dec 21 20:17:24 2015 New Revision: 292565 URL: https://svnweb.freebsd.org/changeset/base/292565
Log: Add CCM functions to enable HDMI framer and IPU units (video controller) Reviewed by: andrew, ian Differential Revision: https://reviews.freebsd.org/D4168 Modified: head/sys/arm/freescale/imx/imx6_ccm.c head/sys/arm/freescale/imx/imx6_ccmreg.h head/sys/arm/freescale/imx/imx_ccmvar.h Modified: head/sys/arm/freescale/imx/imx6_ccm.c ============================================================================== --- head/sys/arm/freescale/imx/imx6_ccm.c Mon Dec 21 20:14:40 2015 (r292564) +++ head/sys/arm/freescale/imx/imx6_ccm.c Mon Dec 21 20:17:24 2015 (r292565) @@ -348,6 +348,43 @@ imx_ccm_ahb_hz(void) return (132000000); } +void +imx_ccm_ipu_enable(int ipu) +{ + struct ccm_softc *sc; + uint32_t reg; + + sc = ccm_sc; + reg = RD4(sc, CCM_CCGR3); + if (ipu == 1) + reg |= CCGR3_IPU1_IPU | CCGR3_IPU1_DI0; + else + reg |= CCGR3_IPU2_IPU | CCGR3_IPU2_DI0; + WR4(sc, CCM_CCGR3, reg); +} + +void +imx_ccm_hdmi_enable(void) +{ + struct ccm_softc *sc; + uint32_t reg; + + sc = ccm_sc; + reg = RD4(sc, CCM_CCGR2); + reg |= CCGR2_HDMI_TX | CCGR2_HDMI_TX_ISFR; + WR4(sc, CCM_CCGR2, reg); + + /* Set HDMI clock to 280MHz */ + reg = RD4(sc, CCM_CHSCCDR); + reg &= ~(CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK | + CHSCCDR_IPU1_DI0_PODF_MASK | CHSCCDR_IPU1_DI0_CLK_SEL_MASK); + reg |= (CHSCCDR_PODF_DIVIDE_BY_3 << CHSCCDR_IPU1_DI0_PODF_SHIFT); + reg |= (CHSCCDR_IPU_PRE_CLK_540M_PFD << CHSCCDR_IPU1_DI0_PRE_CLK_SEL_SHIFT); + WR4(sc, CCM_CHSCCDR, reg); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 << CHSCCDR_IPU1_DI0_CLK_SEL_SHIFT); + WR4(sc, CCM_CHSCCDR, reg); +} + uint32_t imx_ccm_get_cacrr(void) { Modified: head/sys/arm/freescale/imx/imx6_ccmreg.h ============================================================================== --- head/sys/arm/freescale/imx/imx6_ccmreg.h Mon Dec 21 20:14:40 2015 (r292564) +++ head/sys/arm/freescale/imx/imx6_ccmreg.h Mon Dec 21 20:17:24 2015 (r292565) @@ -30,6 +30,9 @@ #define IMX6_CCMREG_H #define CCM_CACCR 0x010 +#define CCM_CBCDR 0x014 +#define CBCDR_MMDC_CH1_AXI_PODF_SHIFT 3 +#define CBCDR_MMDC_CH1_AXI_PODF_MASK (7 << 3) #define CCM_CSCMR1 0x01C #define SSI1_CLK_SEL_S 10 #define SSI2_CLK_SEL_S 12 @@ -39,6 +42,7 @@ #define SSI_CLK_SEL_454_PFD 1 #define SSI_CLK_SEL_PLL4 2 #define CCM_CSCMR2 0x020 +#define CSCMR2_LDB_DI0_IPU_DIV_SHIFT 10 #define CCM_CS1CDR 0x028 #define SSI1_CLK_PODF_SHIFT 0 #define SSI1_CLK_PRED_SHIFT 6 @@ -49,6 +53,18 @@ #define CCM_CS2CDR 0x02C #define SSI2_CLK_PODF_SHIFT 0 #define SSI2_CLK_PRED_SHIFT 6 +#define LDB_DI0_CLK_SEL_SHIFT 9 +#define LDB_DI0_CLK_SEL_MASK (3 << LDB_DI0_CLK_SEL_SHIFT) +#define CCM_CHSCCDR 0x034 +#define CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK (0x7 << 6) +#define CHSCCDR_IPU1_DI0_PRE_CLK_SEL_SHIFT 6 +#define CHSCCDR_IPU1_DI0_PODF_MASK (0x7 << 3) +#define CHSCCDR_IPU1_DI0_PODF_SHIFT 3 +#define CHSCCDR_IPU1_DI0_CLK_SEL_MASK (0x7) +#define CHSCCDR_IPU1_DI0_CLK_SEL_SHIFT 0 +#define CHSCCDR_CLK_SEL_LDB_DI0 3 +#define CHSCCDR_PODF_DIVIDE_BY_3 2 +#define CHSCCDR_IPU_PRE_CLK_540M_PFD 5 #define CCM_CSCDR2 0x038 #define CCM_CLPCR 0x054 #define CCM_CLPCR_LPM_MASK 0x03 Modified: head/sys/arm/freescale/imx/imx_ccmvar.h ============================================================================== --- head/sys/arm/freescale/imx/imx_ccmvar.h Mon Dec 21 20:14:40 2015 (r292564) +++ head/sys/arm/freescale/imx/imx_ccmvar.h Mon Dec 21 20:17:24 2015 (r292565) @@ -52,6 +52,8 @@ uint32_t imx_ccm_ahb_hz(void); void imx_ccm_usb_enable(device_t _usbdev); void imx_ccm_usbphy_enable(device_t _phydev); void imx_ccm_ssi_configure(device_t _ssidev); +void imx_ccm_hdmi_enable(void); +void imx_ccm_ipu_enable(int ipu); /* Routines to get and set the arm clock root divisor register. */ uint32_t imx_ccm_get_cacrr(void); _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
