SCCR USB bits are in a different location on the mpc8315.
Signed-off-by: Jerry Huang <[EMAIL PROTECTED]>
Signed-off-by: Kim Phillips <[EMAIL PROTECTED]>
---
changed to match compatible on non-board specific "fsl,mpc8315-usb2-dr".
arch/powerpc/boot/dts/mpc8315erdb.dts | 2 +-
arch/powerpc/platforms/83xx/mpc83xx.h | 2 ++
arch/powerpc/platforms/83xx/usb.c | 12 ++++++++----
3 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts
b/arch/powerpc/boot/dts/mpc8315erdb.dts
index b582032..59b1f05 100644
--- a/arch/powerpc/boot/dts/mpc8315erdb.dts
+++ b/arch/powerpc/boot/dts/mpc8315erdb.dts
@@ -133,7 +133,7 @@
};
[EMAIL PROTECTED] {
- compatible = "fsl-usb2-dr";
+ compatible = "fsl-usb2-dr", "fsl,mpc8315-usb2-dr";
reg = <0x23000 0x1000>;
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h
b/arch/powerpc/platforms/83xx/mpc83xx.h
index 88bb748..68065e6 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -14,6 +14,8 @@
#define MPC83XX_SCCR_USB_DRCM_11 0x00300000
#define MPC83XX_SCCR_USB_DRCM_01 0x00100000
#define MPC83XX_SCCR_USB_DRCM_10 0x00200000
+#define MPC8315_SCCR_USB_MASK 0x00c00000
+#define MPC8315_SCCR_USB_DRCM_11 0x00c00000
#define MPC837X_SCCR_USB_DRCM_11 0x00c00000
/* system i/o configuration register low */
diff --git a/arch/powerpc/platforms/83xx/usb.c
b/arch/powerpc/platforms/83xx/usb.c
index 681230a..14c83f1 100644
--- a/arch/powerpc/platforms/83xx/usb.c
+++ b/arch/powerpc/platforms/83xx/usb.c
@@ -124,10 +124,14 @@ int mpc831x_usb_cfg(void)
}
/* Configure clock */
- temp = in_be32(immap + MPC83XX_SCCR_OFFS);
- temp &= ~MPC83XX_SCCR_USB_MASK;
- temp |= MPC83XX_SCCR_USB_DRCM_11; /* 1:3 */
- out_be32(immap + MPC83XX_SCCR_OFFS, temp);
+ if (of_find_compatible_node(NULL, NULL, "fsl,mpc8315-usb2-dr"))
+ clrsetbits_be32(immap + MPC83XX_SCCR_OFFS,
+ MPC8315_SCCR_USB_MASK,
+ MPC8315_SCCR_USB_DRCM_11);
+ else
+ clrsetbits_be32(immap + MPC83XX_SCCR_OFFS,
+ MPC83XX_SCCR_USB_MASK,
+ MPC83XX_SCCR_USB_DRCM_11);
/* Configure pin mux for ULPI. There is no pin mux for UTMI */
if (prop && !strcmp(prop, "ulpi")) {
--
1.5.2.2
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-dev
