svn commit: r271102 - head/sys/arm/freescale/imx
Ian Lepore
ian at FreeBSD.org
Thu Sep 4 15:11:58 UTC 2014
Author: ian
Date: Thu Sep 4 15:11:57 2014
New Revision: 271102
URL: http://svnweb.freebsd.org/changeset/base/271102
Log:
Implement the imx_iomux_get/set_gpr() interface for imx6.
Modified:
head/sys/arm/freescale/imx/imx6_iomux.c
Modified: head/sys/arm/freescale/imx/imx6_iomux.c
==============================================================================
--- head/sys/arm/freescale/imx/imx6_iomux.c Thu Sep 4 14:59:27 2014 (r271101)
+++ head/sys/arm/freescale/imx/imx6_iomux.c Thu Sep 4 15:11:57 2014 (r271102)
@@ -166,6 +166,42 @@ iomux_get_pad_config(unsigned int pin)
return(iomux_get_pad_config_sub(iomuxsc, pin));
}
+
+uint32_t
+imx_iomux_gpr_get(u_int regnum)
+{
+
+ KASSERT(iomuxsc != NULL, ("imx_iomux_gpr_get() called before attach"));
+ KASSERT(regnum >= 0 && regnum <= 13,
+ ("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 <= 13,
+ ("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 <= 13,
+ ("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 imx6_iomux_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, imx6_iomux_probe),
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