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authorIgor Grinberg <grinberg@compulab.co.il>2010-07-27 15:06:59 +0300
committerEric Miao <eric.y.miao@gmail.com>2010-10-08 16:21:17 +0800
commit6dc3ae845c56157098f8af2d793aaefac2b31840 (patch)
treeec767d8861f783b9e7794a35db9b24c1a901ac75
parent69f22be7b10684ade3808de22db87c536ed135f3 (diff)
downloadop-kernel-dev-6dc3ae845c56157098f8af2d793aaefac2b31840.zip
op-kernel-dev-6dc3ae845c56157098f8af2d793aaefac2b31840.tar.gz
ARM: ohci-pxa27x: enable OHCI over U2DC for pxa3xx
U2D Controller of pxa3xx is able to work in host mode. Make pxa specific ohci implementation aware of it. Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
-rw-r--r--drivers/usb/host/ohci-pxa27x.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 4181638..afef7b0 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -24,6 +24,7 @@
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <mach/ohci.h>
+#include <mach/pxa3xx-u2d.h>
/*
* UHC: USB Host Controller (OHCI-like) register definitions
@@ -235,6 +236,9 @@ static int pxa27x_start_hc(struct pxa27x_ohci *ohci, struct device *dev)
if (retval < 0)
return retval;
+ if (cpu_is_pxa3xx())
+ pxa3xx_u2d_start_hc(&ohci_to_hcd(&ohci->ohci)->self);
+
uhchr = __raw_readl(ohci->mmio_base + UHCHR) & ~UHCHR_SSE;
__raw_writel(uhchr, ohci->mmio_base + UHCHR);
__raw_writel(UHCHIE_UPRIE | UHCHIE_RWIE, ohci->mmio_base + UHCHIE);
@@ -251,6 +255,9 @@ static void pxa27x_stop_hc(struct pxa27x_ohci *ohci, struct device *dev)
inf = dev->platform_data;
+ if (cpu_is_pxa3xx())
+ pxa3xx_u2d_stop_hc(&ohci_to_hcd(&ohci->ohci)->self);
+
if (inf->exit)
inf->exit(dev);
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