USB OHCI support for at91sam9g45 SoC
Add USB OHCI support for at91sam9g45ekes/at91sam9m10g45ek boards.
Note that according to errata from Atmel, OHCI is not operational
on the first revision of at91sam9g45 chip. So this patch enables
OHCI support for later revisions.
Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
diff --git a/arch/arm/include/asm/arch-at91/at91_pmc.h b/arch/arm/include/asm/arch-at91/at91_pmc.h
index 5b1a85d..2f9ad96 100644
--- a/arch/arm/include/asm/arch-at91/at91_pmc.h
+++ b/arch/arm/include/asm/arch-at91/at91_pmc.h
@@ -35,13 +35,15 @@
u32 pcer; /* 0x10 Peripheral Clock Enable Register */
u32 pcdr; /* 0x14 Peripheral Clock Disable Register */
u32 pcsr; /* 0x18 Peripheral Clock Status Register */
- u32 reserved1;
+ u32 uckr; /* 0x1C UTMI Clock Register */
u32 mor; /* 0x20 Main Oscilator Register */
u32 mcfr; /* 0x24 Main Clock Frequency Register */
u32 pllar; /* 0x28 PLL A Register */
u32 pllbr; /* 0x2C PLL B Register */
u32 mckr; /* 0x30 Master Clock Register */
- u32 reserved2[3];
+ u32 reserved1;
+ u32 usb; /* 0x38 USB Clock Register */
+ u32 reserved2;
u32 pck[4]; /* 0x40 Programmable Clock Register 0 - 3 */
u32 reserved3[4];
u32 ier; /* 0x60 Interrupt Enable Register */
@@ -199,6 +201,14 @@
#define AT91_PMC_PDIV_2 (1 << 12)
#ifdef CONFIG_AT91_LEGACY
+#define AT91_PMC_USB (AT91_PMC + 0x38) /* USB Clock Register */
+#endif
+#define AT91_PMC_USBS_USB_PLLA (0x0) /* USB Clock Input is PLLA */
+#define AT91_PMC_USBS_USB_UPLL (0x1) /* USB Clock Input is UPLL */
+#define AT91_PMC_USBDIV_8 (0x7 << 8) /* USB Clock divided by 8 */
+#define AT91_PMC_USBDIV_10 (0x9 << 8) /* USB Clock divided by 10 */
+
+#ifdef CONFIG_AT91_LEGACY
#define AT91_PMC_PCKR(n) (AT91_PMC + 0x40 + ((n) * 4)) /* Programmable Clock 0-3 Registers */
#define AT91_PMC_IER (AT91_PMC + 0x60) /* Interrupt Enable Register */