ehci Eopio is specified by hardware, and therefore should use u32int
and not ulong for structure members.  unfortunately we're still stuffing
physical addresses in u32ints without checking that they fit.  this shouldn't
be a problem for any kernel other than the pcpae kernel.

Reference: /n/atom/patch/applied2013/9eopio32
Date: Sat Sep 21 21:32:39 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/9/kw/usbehcikw.c	Sat Sep 21 21:30:50 2013
+++ /sys/src/9/kw/usbehcikw.c	Sat Sep 21 21:30:51 2013
@@ -173,7 +173,7 @@
 		ctlr->nframes = 256;
 		break;
 	default:
-		panic("ehci: unknown fls %ld", opio->cmd & Cflsmask);
+		panic("ehci: unknown fls %d", opio->cmd & Cflsmask);
 	}
 	dprint("ehci: %d frames\n", ctlr->nframes);
 
--- /sys/src/9/kw/usbehci.h	Sat Sep 21 21:30:52 2013
+++ /sys/src/9/kw/usbehci.h	Sat Sep 21 21:30:53 2013
@@ -61,41 +61,41 @@
  */
 struct Eopio
 {
-	ulong	cmd;		/* 00 command */
-	ulong	sts;		/* 04 status */
-	ulong	intr;		/* 08 interrupt enable */
-	ulong	frno;		/* 0c frame index */
-	ulong	seg;		/* 10 bits 63:32 of EHCI datastructs (unused) */
-	ulong	frbase;		/* 14 frame list base pa (note: just 32 bits), 4096-byte boundary */
-	ulong	link;		/* 18 link for async list */
+	u32int	cmd;		/* 00 command */
+	u32int	sts;		/* 04 status */
+	u32int	intr;		/* 08 interrupt enable */
+	u32int	frno;		/* 0c frame index */
+	u32int	seg;		/* 10 bits 63:32 of EHCI datastructs (unused) */
+	u32int	frbase;		/* 14 frame list base pa (note: just 32 bits), 4096-byte boundary */
+	u32int	link;		/* 18 link for async list */
 	uchar	d2c[0x40-0x1c];	/* 1c dummy */
-	ulong	config;		/* 40 1: all ports default-routed to this HC */
-	ulong	portsc[1];	/* 44 Port status and control, one per port */
+	u32int	config;		/* 40 1: all ports default-routed to this HC */
+	u32int	portsc[1];	/* 44 Port status and control, one per port */
 
 	/*
 	 * these are present on the Kirkwood USB controller.
 	 * are they standard now?  Marvell doesn't document them publically.
 	 */
 	uchar	_pad0[0x64-0x48];
-	ulong	otgsc;
-	ulong	usbmode;
-	ulong	epsetupsts;
-	ulong	epprime;
-	ulong	epflush;
-	ulong	epsts;
-	ulong	epcompl;
-	ulong	epctl[6];
+	u32int	otgsc;
+	u32int	usbmode;
+	u32int	epsetupsts;
+	u32int	epprime;
+	u32int	epflush;
+	u32int	epsts;
+	u32int	epcompl;
+	u32int	epctl[6];
 
 	/* freescale registers */
 	uchar	_pad1[0x2c0-0x98];
-	ulong	snoop1;
-	ulong	snoop2;
-	ulong	agecntthresh;
-	ulong	prictl;		/* priority control */
-	ulong	sictl;		/* system interface control */
+	u32int	snoop1;
+	u32int	snoop2;
+	u32int	agecntthresh;
+	u32int	prictl;		/* priority control */
+	u32int	sictl;		/* system interface control */
 
 	uchar	_pad2[0x3c0-0x2d4];
-	ulong	ctl;
+	u32int	ctl;
 };
 
 extern int ehcidebug;
--- /sys/src/9/omap/usbehci.h	Sat Sep 21 21:30:54 2013
+++ /sys/src/9/omap/usbehci.h	Sat Sep 21 21:30:54 2013
@@ -61,20 +61,20 @@
  */
 struct Eopio
 {
-	ulong	cmd;		/* 00 command */
-	ulong	sts;		/* 04 status */
-	ulong	intr;		/* 08 interrupt enable */
-	ulong	frno;		/* 0c frame index */
-	ulong	seg;		/* 10 bits 63:32 of EHCI datastructs (unused) */
-	ulong	frbase;		/* 14 frame list base pa (note: just 32 bits), 4096-byte boundary */
-	ulong	link;		/* 18 link for async list */
+	u32int	cmd;		/* 00 command */
+	u32int	sts;		/* 04 status */
+	u32int	intr;		/* 08 interrupt enable */
+	u32int	frno;		/* 0c frame index */
+	u32int	seg;		/* 10 bits 63:32 of EHCI datastructs (unused) */
+	u32int	frbase;		/* 14 frame list base pa (note: just 32 bits), 4096-byte boundary */
+	u32int	link;		/* 18 link for async list */
 	uchar	d2c[0x40-0x1c];	/* 1c dummy */
-	ulong	config;		/* 40 1: all ports default-routed to this HC */
-	ulong	portsc[3];	/* 44 Port status and control, one per port */
+	u32int	config;		/* 40 1: all ports default-routed to this HC */
+	u32int	portsc[3];	/* 44 Port status and control, one per port */
 
 	/* defined for omap35 ehci at least */
 	uchar	_pad0[0x80 - 0x50];
-	ulong	insn[6];	/* implementation-specific */
+	u32int	insn[6];	/* implementation-specific */
 };
 
 typedef struct Uhh Uhh;
--- /sys/src/9/pc/usbehci.h	Sat Sep 21 21:30:55 2013
+++ /sys/src/9/pc/usbehci.h	Sat Sep 21 21:30:56 2013
@@ -62,16 +62,16 @@
  */
 struct Eopio
 {
-	ulong	cmd;		/* 00 command */
-	ulong	sts;		/* 04 status */
-	ulong	intr;		/* 08 interrupt enable */
-	ulong	frno;		/* 0c frame index */
-	ulong	seg;		/* 10 bits 63:32 of EHCI datastructs (unused) */
-	ulong	frbase;		/* 14 frame list base pa (note: just 32 bits), 4096-byte boundary */
-	ulong	link;		/* 18 link for async list */
+	u32int	cmd;		/* 00 command */
+	u32int	sts;		/* 04 status */
+	u32int	intr;		/* 08 interrupt enable */
+	u32int	frno;		/* 0c frame index */
+	u32int	seg;		/* 10 bits 63:32 of EHCI datastructs (unused) */
+	u32int	frbase;		/* 14 frame list base pa (note: just 32 bits), 4096-byte boundary */
+	u32int	link;		/* 18 link for async list */
 	uchar	d2c[0x40-0x1c];	/* 1c dummy */
-	ulong	config;		/* 40 1: all ports default-routed to this HC */
-	ulong	portsc[1];	/* 44 Port status and control, one per port */
+	u32int	config;		/* 40 1: all ports default-routed to this HC */
+	u32int	portsc[1];	/* 44 Port status and control, one per port */
 };
 
 extern int ehcidebug;
--- /sys/src/9/pcpae/usbehci.h	Sat Sep 21 21:30:57 2013
+++ /sys/src/9/pcpae/usbehci.h	Sat Sep 21 21:30:57 2013
@@ -62,16 +62,16 @@
  */
 struct Eopio
 {
-	ulong	cmd;		/* 00 command */
-	ulong	sts;		/* 04 status */
-	ulong	intr;		/* 08 interrupt enable */
-	ulong	frno;		/* 0c frame index */
-	ulong	seg;		/* 10 bits 63:32 of EHCI datastructs (unused) */
-	ulong	frbase;		/* 14 frame list base pa (note: just 32 bits), 4096-byte boundary */
-	ulong	link;		/* 18 link for async list */
+	u32int	cmd;		/* 00 command */
+	u32int	sts;		/* 04 status */
+	u32int	intr;		/* 08 interrupt enable */
+	u32int	frno;		/* 0c frame index */
+	u32int	seg;		/* 10 bits 63:32 of EHCI datastructs (unused) */
+	u32int	frbase;		/* 14 frame list base pa (note: just 32 bits), 4096-byte boundary */
+	u32int	link;		/* 18 link for async list */
 	uchar	d2c[0x40-0x1c];	/* 1c dummy */
-	ulong	config;		/* 40 1: all ports default-routed to this HC */
-	ulong	portsc[1];	/* 44 Port status and control, one per port */
+	u32int	config;		/* 40 1: all ports default-routed to this HC */
+	u32int	portsc[1];	/* 44 Port status and control, one per port */
 };
 
 extern int ehcidebug;
--- /sys/src/9/teg2/usbehci.h	Sat Sep 21 21:30:58 2013
+++ /sys/src/9/teg2/usbehci.h	Sat Sep 21 21:30:59 2013
@@ -61,20 +61,20 @@
  */
 struct Eopio
 {
-	ulong	cmd;		/* 00 command */
-	ulong	sts;		/* 04 status */
-	ulong	intr;		/* 08 interrupt enable */
-	ulong	frno;		/* 0c frame index */
-	ulong	seg;		/* 10 bits 63:32 of EHCI datastructs (unused) */
-	ulong	frbase;		/* 14 frame list base pa (note: just 32 bits), 4096-byte boundary */
-	ulong	link;		/* 18 link for async list */
+	u32int	cmd;		/* 00 command */
+	u32int	sts;		/* 04 status */
+	u32int	intr;		/* 08 interrupt enable */
+	u32int	frno;		/* 0c frame index */
+	u32int	seg;		/* 10 bits 63:32 of EHCI datastructs (unused) */
+	u32int	frbase;		/* 14 frame list base pa (note: just 32 bits), 4096-byte boundary */
+	u32int	link;		/* 18 link for async list */
 	uchar	d2c[0x40-0x1c];	/* 1c dummy */
-	ulong	config;		/* 40 1: all ports default-routed to this HC */
-	ulong	portsc[3];	/* 44 Port status and control, one per port */
+	u32int	config;		/* 40 1: all ports default-routed to this HC */
+	u32int	portsc[3];	/* 44 Port status and control, one per port */
 
 	/* defined for omap35 ehci at least */
 	uchar	_pad0[0x80 - 0x50];
-	ulong	insn[6];	/* implementation-specific */
+	u32int	insn[6];	/* implementation-specific */
 };
 
 enum {