diff options
| -rw-r--r-- | sys/arm/freescale/imx/imx51_ccm.c | 7 | ||||
| -rw-r--r-- | sys/arm/freescale/imx/imx51_iomux.c | 36 | ||||
| -rw-r--r-- | sys/arm/freescale/imx/imx6_ccm.c | 6 | ||||
| -rw-r--r-- | sys/arm/freescale/imx/imx_ccmvar.h | 1 | ||||
| -rw-r--r-- | sys/arm/freescale/imx/imx_iomuxvar.h | 42 |
5 files changed, 92 insertions, 0 deletions
diff --git a/sys/arm/freescale/imx/imx51_ccm.c b/sys/arm/freescale/imx/imx51_ccm.c index e004364..8e099ce5 100644 --- a/sys/arm/freescale/imx/imx51_ccm.c +++ b/sys/arm/freescale/imx/imx51_ccm.c @@ -580,3 +580,10 @@ imx_ccm_uart_hz(void) return (imx51_get_clock(IMX51CLK_UART_CLK_ROOT)); } + +uint32_t +imx_ccm_ahb_hz(void) +{ + + return (imx51_get_clock(IMX51CLK_AHB_CLK_ROOT)); +} diff --git a/sys/arm/freescale/imx/imx51_iomux.c b/sys/arm/freescale/imx/imx51_iomux.c index 18738a1..0dc0648 100644 --- a/sys/arm/freescale/imx/imx51_iomux.c +++ b/sys/arm/freescale/imx/imx51_iomux.c @@ -74,6 +74,7 @@ __FBSDID("$FreeBSD$"); #include <dev/ofw/ofw_bus.h> #include <dev/ofw/ofw_bus_subr.h> +#include <arm/freescale/imx/imx_iomuxvar.h> #include <arm/freescale/imx/imx51_iomuxvar.h> #include <arm/freescale/imx/imx51_iomuxreg.h> @@ -216,6 +217,41 @@ iomux_input_config(const struct iomux_input_conf *conflist) } #endif +uint32_t +imx_iomux_gpr_get(u_int regnum) +{ + + KASSERT(iomuxsc != NULL, ("imx_iomux_gpr_get() called before attach")); + KASSERT(regnum >= 0 && regnum <= 1, + ("imx_iomux_gpr_get bad regnum %u", regnum)); + return (IOMUX_READ(iomuxsc, IOMUXC_GPR0 + regnum)); +} + +void +imx_iomux_gpr_set(u_int regnum, uint32_t val) +{ + + KASSERT(iomuxsc != NULL, ("imx_iomux_gpr_set() called before attach")); + KASSERT(regnum >= 0 && regnum <= 1, + ("imx_iomux_gpr_set bad regnum %u", regnum)); + IOMUX_WRITE(iomuxsc, IOMUXC_GPR0 + regnum, val); +} + +void +imx_iomux_gpr_set_masked(u_int regnum, uint32_t clrbits, uint32_t setbits) +{ + uint32_t val; + + KASSERT(iomuxsc != NULL, + ("imx_iomux_gpr_set_masked called before attach")); + KASSERT(regnum >= 0 && regnum <= 1, + ("imx_iomux_gpr_set_masked bad regnum %u", regnum)); + + val = IOMUX_READ(iomuxsc, IOMUXC_GPR0 + regnum); + val = (val & ~clrbits) | setbits; + IOMUX_WRITE(iomuxsc, IOMUXC_GPR0 + regnum, val); +} + static device_method_t imx_iomux_methods[] = { DEVMETHOD(device_probe, iomux_probe), DEVMETHOD(device_attach, iomux_attach), diff --git a/sys/arm/freescale/imx/imx6_ccm.c b/sys/arm/freescale/imx/imx6_ccm.c index 132c31c..d722291 100644 --- a/sys/arm/freescale/imx/imx6_ccm.c +++ b/sys/arm/freescale/imx/imx6_ccm.c @@ -238,6 +238,12 @@ imx_ccm_uart_hz(void) return (80000000); } +uint32_t +imx_ccm_ahb_hz(void) +{ + return (132000000); +} + static device_method_t ccm_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ccm_probe), diff --git a/sys/arm/freescale/imx/imx_ccmvar.h b/sys/arm/freescale/imx/imx_ccmvar.h index bb41a02..354e616 100644 --- a/sys/arm/freescale/imx/imx_ccmvar.h +++ b/sys/arm/freescale/imx/imx_ccmvar.h @@ -47,6 +47,7 @@ uint32_t imx_ccm_ipg_hz(void); uint32_t imx_ccm_perclk_hz(void); uint32_t imx_ccm_sdhci_hz(void); uint32_t imx_ccm_uart_hz(void); +uint32_t imx_ccm_ahb_hz(void); void imx_ccm_usb_enable(device_t _usbdev); void imx_ccm_usbphy_enable(device_t _phydev); diff --git a/sys/arm/freescale/imx/imx_iomuxvar.h b/sys/arm/freescale/imx/imx_iomuxvar.h new file mode 100644 index 0000000..726328d --- /dev/null +++ b/sys/arm/freescale/imx/imx_iomuxvar.h @@ -0,0 +1,42 @@ +/*- + * Copyright (c) 2014 Ian Lepore <ian@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef IMX_IOMUXVAR_H +#define IMX_IOMUXVAR_H + +/* + * The IOMUX Controller device has a small set of "general purpose registers" + * which control various aspects of SoC operation that really have nothing to do + * with IO pin assignments or pad control. These functions let other soc level + * code manipulate these values. + */ +uint32_t imx_iomux_gpr_get(u_int regnum); +void imx_iomux_gpr_set(u_int regnum, uint32_t val); +void imx_iomux_gpr_set_masked(u_int regnum, uint32_t clrbits, uint32_t setbits); + +#endif |
