EHCI fix code and ixp4xx test.

USB ehci configuration parameter:

#define CONFIG_CMD_USB          1
#define CONFIG_USB_STORAGE      1
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_IXP4XX	1
#define CONFIG_EHCI_IS_TDI	1
#define CONFIG_EHCI_DESC_BIG_ENDIAN     1
#define CONFIG_EHCI_MMIO_BIG_ENDIAN     1
#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 2
#define CONFIG_LEGACY_USB_INIT_SEQ      1

2 USB Device(s) found
       scanning bus for storage devices... 0 Storage Device(s) found
=> usb tree

Device Tree:
  1  Hub (1.5MBit/s, 0mA)
  |  u-boot EHCI Host Controller
  |
  |+-2  Mass Storage (12MBit/s, 100mA)
       Sony Storage Media 0C07040930296

=>

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Remy Böhmer <linux@bohmer.net>

1 files changed, 28 insertions, 23 deletions

diff --git a/drivers/usb/usb_ehci.h b/drivers/usb/usb_ehci.h
index 90b137ad01..b72498b7e6 100644
--- a/drivers/usb/usb_ehci.h
+++ b/drivers/usb/usb_ehci.h
@@ -1,5 +1,6 @@
 /*-
  * Copyright (c) 2007-2008, Juniper Networks, Inc.
+ * Copyright (c) 2008, Michael Trimarchi <trimarchimichael@yahoo.it>
  * All rights reserved.
  *
  * This program is free software; you can redistribute it and/or
@@ -21,6 +22,10 @@
 #ifndef USB_EHCI_H
 #define USB_EHCI_H
 
+#if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS)
+#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	2
+#endif
+
 /* (shifted) direction/type/recipient from the USB 2.0 spec, table 9.2 */
 #define DeviceRequest \
 	((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
@@ -45,10 +50,12 @@ struct ehci_hccr {
 #define HC_LENGTH(p)		(((p) >> 0) & 0x00ff)
 #define HC_VERSION(p)		(((p) >> 16) & 0xffff)
 	uint32_t cr_hcsparams;
+#define HCS_PPC(p)		((p) & (1 << 4))
+#define HCS_INDICATOR(p)	((p) & (1 << 16)) /* Port indicators */
 #define HCS_N_PORTS(p)		(((p) >> 0) & 0xf)
 	uint32_t cr_hccparams;
 	uint8_t cr_hcsp_portrt[8];
-};
+} __attribute__ ((packed));
 
 struct ehci_hcor {
 	uint32_t or_usbcmd;
@@ -71,9 +78,9 @@ struct ehci_hcor {
 	uint32_t _reserved_[9];
 	uint32_t or_configflag;
 #define FLAG_CF		(1 << 0)	/* true:  we'll support "high speed" */
-	uint32_t or_portsc[2];
+	uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS];
 	uint32_t or_systune;
-};
+} __attribute__ ((packed));
 
 #define USBMODE		0x68		/* USB Device mode */
 #define USBMODE_SDIS	(1 << 3)	/* Stream disable */
@@ -123,26 +130,24 @@ struct usb_linux_config_descriptor {
 #define cpu_to_hc32(x)		cpu_to_le32((x))
 #endif
 
-#define EHCI_PS_WKOC_E		0x00400000	/* RW wake on over current */
-#define EHCI_PS_WKDSCNNT_E	0x00200000	/* RW wake on disconnect */
-#define EHCI_PS_WKCNNT_E	0x00100000	/* RW wake on connect */
-#define EHCI_PS_PTC		0x000f0000	/* RW port test control */
-#define EHCI_PS_PIC		0x0000c000	/* RW port indicator control */
-#define EHCI_PS_PO		0x00002000	/* RW port owner */
-#define EHCI_PS_PP		0x00001000	/* RW,RO port power */
-#define EHCI_PS_LS		0x00000c00	/* RO line status */
-#define EHCI_PS_PR		0x00000100	/* RW port reset */
-#define EHCI_PS_SUSP		0x00000080	/* RW suspend */
-#define EHCI_PS_FPR		0x00000040	/* RW force port resume */
-#define EHCI_PS_OCC		0x00000020	/* RWC over current change */
-#define EHCI_PS_OCA		0x00000010	/* RO over current active */
-#define EHCI_PS_PEC		0x00000008	/* RWC port enable change */
-#define EHCI_PS_PE		0x00000004	/* RW port enable */
-#define EHCI_PS_CSC		0x00000002	/* RWC connect status change */
-#define EHCI_PS_CS		0x00000001	/* RO connect status */
+#define EHCI_PS_WKOC_E		(1 << 22)	/* RW wake on over current */
+#define EHCI_PS_WKDSCNNT_E	(1 << 21)	/* RW wake on disconnect */
+#define EHCI_PS_WKCNNT_E	(1 << 20)	/* RW wake on connect */
+#define EHCI_PS_PO		(1 << 13)	/* RW port owner */
+#define EHCI_PS_PP		(1 << 12)	/* RW,RO port power */
+#define EHCI_PS_LS		(3 << 10)	/* RO line status */
+#define EHCI_PS_PR		(1 << 8)	/* RW port reset */
+#define EHCI_PS_SUSP		(1 << 7)	/* RW suspend */
+#define EHCI_PS_FPR		(1 << 6)	/* RW force port resume */
+#define EHCI_PS_OCC		(1 << 5)	/* RWC over current change */
+#define EHCI_PS_OCA		(1 << 4)	/* RO over current active */
+#define EHCI_PS_PEC		(1 << 3)	/* RWC port enable change */
+#define EHCI_PS_PE		(1 << 2)	/* RW port enable */
+#define EHCI_PS_CSC		(1 << 1)	/* RWC connect status change */
+#define EHCI_PS_CS		(1 << 0)	/* RO connect status */
 #define EHCI_PS_CLEAR		(EHCI_PS_OCC | EHCI_PS_PEC | EHCI_PS_CSC)
 
-#define EHCI_PS_IS_LOWSPEED(x)	(((x) & EHCI_PS_LS) == 0x00000400)
+#define EHCI_PS_IS_LOWSPEED(x)	(((x) & EHCI_PS_LS) == (1 << 10))
 
 /*
  * Schedule Interface Space.
@@ -177,8 +182,8 @@ struct QH {
 	struct qTD qh_overlay;
 };
 
-/* Low level intit functions */
-
+/* Low level init functions */
 int ehci_hcd_init(void);
 int ehci_hcd_stop(void);
+
 #endif /* USB_EHCI_H */