If a MPC8xxx was being used, 'have_sysif_regs' should be set and
it should setup cache snooping for all the 4GB space on both PPC32
and PPC64.
Signed-off-by: Pan Jiafei <Jiafei.Pan@xxxxxxxxxxxxx>
---
drivers/usb/host/ehci-fsl.c | 23 ++++++++++-------------
1 files changed, 10 insertions(+), 13 deletions(-)
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index c26a82e..8327d3e 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -252,21 +252,18 @@ static int ehci_fsl_usb_setup(struct ehci_hcd *ehci)
if (pdata->have_sysif_regs) {
temp = in_be32(non_ehci + FSL_SOC_USB_CTRL);
out_be32(non_ehci + FSL_SOC_USB_CTRL, temp | 0x00000004);
- out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0000001b);
- }
-#if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE)
- /*
- * Turn on cache snooping hardware, since some PowerPC platforms
- * wholly rely on hardware to deal with cache coherent
- */
+ /*
+ * Turn on cache snooping hardware, since some PowerPC platforms
+ * wholly rely on hardware to deal with cache coherent
+ */
- /* Setup Snooping for all the 4GB space */
- /* SNOOP1 starts from 0x0, size 2G */
- out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0 | SNOOP_SIZE_2GB);
- /* SNOOP2 starts from 0x80000000, size 2G */
- out_be32(non_ehci + FSL_SOC_USB_SNOOP2, 0x80000000 | SNOOP_SIZE_2GB);
-#endif
+ /* Setup Snooping for all the 4GB space */
+ /* SNOOP1 starts from 0x0, size 2G */
+ out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0 | SNOOP_SIZE_2GB);
+ /* SNOOP2 starts from 0x80000000, size 2G */
+ out_be32(non_ehci + FSL_SOC_USB_SNOOP2, 0x80000000 | SNOOP_SIZE_2GB);
+ }
if ((pdata->operating_mode == FSL_USB2_DR_HOST) ||
(pdata->operating_mode == FSL_USB2_DR_OTG))
--
1.7.5.1
--
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