Author: ian
Date: Wed Sep 3 21:45:39 2014
New Revision: 271055
URL: http://svnweb.freebsd.org/changeset/base/271055
Log:
Add a function to get the frequency of the AHB bus. Another stopgap
function until we have full clock support for imx6.
Modified:
head/sys/arm/freescale/imx/imx51_ccm.c
head/sys/arm/freescale/imx/imx6_ccm.c
head/sys/arm/freescale/imx/imx_ccmvar.h
Modified: head/sys/arm/freescale/imx/imx51_ccm.c
==============================================================================
--- head/sys/arm/freescale/imx/imx51_ccm.c Wed Sep 3 21:25:36 2014
(r271054)
+++ head/sys/arm/freescale/imx/imx51_ccm.c Wed Sep 3 21:45:39 2014
(r271055)
@@ -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));
+}
Modified: head/sys/arm/freescale/imx/imx6_ccm.c
==============================================================================
--- head/sys/arm/freescale/imx/imx6_ccm.c Wed Sep 3 21:25:36 2014
(r271054)
+++ head/sys/arm/freescale/imx/imx6_ccm.c Wed Sep 3 21:45:39 2014
(r271055)
@@ -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),
Modified: head/sys/arm/freescale/imx/imx_ccmvar.h
==============================================================================
--- head/sys/arm/freescale/imx/imx_ccmvar.h Wed Sep 3 21:25:36 2014
(r271054)
+++ head/sys/arm/freescale/imx/imx_ccmvar.h Wed Sep 3 21:45:39 2014
(r271055)
@@ -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);
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