>>>>> "Aaron" == Aaron Sells <[EMAIL PROTECTED]> writes:
Hi,
Aaron> I generate the xparameters_ml403.h file using Xilinx's EDK base system
Aaron> builder wizard. However, the wizard does not automatically enable the
Aaron> Cypress device to be interrupt driven. I have manually done this as
Aaron> described in the attached patch.
Aaron> The resulting xparameters_ml403.h has the following defines:
Aaron> [EMAIL PROTECTED]:~/spacesuit/linux-2.6-xlnx$ cat
Aaron> arch/ppc/platforms/4xx/xparameters/xparameters_ml403.h | grep USB
Aaron> /* Definitions for peripheral CYPRESS_USB */
Aaron> #define XPAR_CYPRESS_USB_PRH0_BASEADDR 0x80800000
Aaron> #define XPAR_CYPRESS_USB_PRH0_HIGHADDR 0x8080FFFF
Aaron> #define XPAR_SYSTEM_USB_INT_PIN_MASK 0X000001
Aaron> #define XPAR_XPS_INTC_0_SYSTEM_USB_INT_PIN_INTR 0
Ok.
Aaron> When I boot the Xilinx ML403 board up, I get the following:
Aaron> [ 9.256329] ------------[ cut here ]------------
Aaron> [ 9.260000] Badness at drivers/usb/c67x00/c67x00-ll-hpi.c:244
Aaron> [ 9.260000] NIP: c01b5d6c LR: c01b5d60 CTR: c00170f4
Aaron> [ 9.260000] REGS: c3c19d70 TRAP: 0700 Not tainted
Aaron> (2.6.24-rc8-xlnx-dirty)
Aaron> [ 9.260000] MSR: 00029030 <EE,ME,IR,DR> CR: 24000082 XER: 20000073
Aaron> [ 9.260000] TASK = c3c178a0[1] 'swapper' THREAD: c3c18000
Aaron> [ 9.260000] GPR00: 00000001 c3c19e20 c3c178a0 00000000 c032f518
Aaron> c0372730 27b38fa6 00000001
Aaron> [ 9.260000] GPR08: 00000000 00200200 c3d2b164 c3d2b164 24000082
Aaron> ffffcd64 c02d4c5c c02d4c6c
Aaron> [ 9.260000] GPR16: c02d4c90 c02d4c98 c02d4ca8 c02d4cd4 c02d4ce8
Aaron> 00000000 c02d7114 c0370e78
Aaron> [ 9.260000] GPR24: c0360000 c02d4c54 c0330724 00000000 c3d2b148
Aaron> 00000000 c3d2b140 c0330708
Aaron> [ 9.260000] NIP [c01b5d6c] c67x00_ll_reset+0x48/0x88
Aaron> [ 9.260000] LR [c01b5d60] c67x00_ll_reset+0x3c/0x88
Aaron> [ 9.260000] Call Trace:
Aaron> [ 9.260000] [c3c19e20] [c01b5d60] c67x00_ll_reset+0x3c/0x88
(unreliable)
This is an interrupt timeout. It seems like the interrupt isn't
correctly connected.
Aaron> Sam, since you have this working, any help would be greatly
Aaron> appreciated. What else do I need to do in order to get USB host
Aaron> working on this board?
That should be about it.
Aaron> +/*
Aaron> + * Cypress USB C67x00 shortcut macro for single instance
Aaron> + */
Aaron> +#define XPAR_C67x00_USB(num) { \
Aaron> + .name = "c67x00", \
Aaron> + .id = num, \
Aaron> + .num_resources = 2, \
Aaron> + .resource = (struct resource[]) { \
Aaron> + { \
Aaron> + .start = XPAR_CYPRESS_USB_PRH0_BASEADDR, \
Aaron> + .end = XPAR_CYPRESS_USB_PRH0_BASEADDR + 0xf,
\
Aaron> + .flags = IORESOURCE_MEM, \
Aaron> + }, \
Aaron> + { \
Aaron> + .start =
XPAR_XPS_INTC_0_SYSTEM_USB_INT_PIN_INTR, \
Aaron> + .end =
XPAR_XPS_INTC_0_SYSTEM_USB_INT_PIN_INTR, \
Aaron> + .flags = IORESOURCE_IRQ, \
Aaron> + }, \
Aaron> + }, \
I guess you need to add a few "num" to those defines to make it work
with multiple devices.
--
Bye, Peter Korsgaard
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