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authorKoen Kooi2011-06-17 09:26:17 +0200
committerAlbert ARIBAUD2011-09-04 11:36:20 +0200
commitf44047df3b365e0fdd9be367971ade81b9afdf15 (patch)
tree8fe222b37d9221f3fbae9aa0c51fd1c70e74771f /board/ti/beagle
parent69716c1900274a89bd5cbd1b0bb276ceaaa04f61 (diff)
BeagleBoard: turn off clocks in ehci_stop
This fixes display problems in linux Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Joel A Fernandes <agnel.joel@gmail.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'board/ti/beagle')
-rw-r--r--board/ti/beagle/beagle.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index 776890104fc..a9585457766 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -356,6 +356,12 @@ int ehci_hcd_stop(void)
pr_debug("Resetting OMAP3 EHCI\n");
omap_set_gpio_dataout(GPIO_PHY_RESET, 0);
writel(OMAP_UHH_SYSCONFIG_SOFTRESET, OMAP3_UHH_BASE + OMAP_UHH_SYSCONFIG);
+ /* disable USB clocks */
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+ sr32(&prcm_base->iclken_usbhost, 0, 1, 0);
+ sr32(&prcm_base->fclken_usbhost, 0, 2, 0);
+ sr32(&prcm_base->iclken3_core, 2, 1, 0);
+ sr32(&prcm_base->fclken3_core, 2, 1, 0);
return 0;
}