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USB: add support for multiple PCI OHCI controllers

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Add new configuration variable CONFIG_PCI_OHCI_DEVNO.
In case of several PCI USB controllers on a board this variable
specifys which controller to use.

Also add USB support for sokrates board.

See doc/README.generic_usb_ohci for details.

Signed-off-by: Sergei Poselenov <sposelenov@emcraft.com>
Signed-off-by: Markus Klotzbuecher <mk@denx.de>
This commit is contained in:
Sergei Poselenov 2008-05-22 01:15:53 +02:00 committed by Markus Klotzbuecher
parent 2c8d41969b
commit 477434c63c
3 changed files with 22 additions and 3 deletions
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6
doc/README.generic_usb_ohci
View file

@ -51,6 +51,12 @@ You'll need to define
CONFIG_PCI_OHCI
If you have several USB PCI controllers, define
CONFIG_PCI_OHCI_DEVNO: number of the OHCI device in PCI list
If undefined, the first instance found in PCI space will be used.
PCI Controllers need to do byte swapping on register accesses, so they
should to define:

5
drivers/usb/usb_ohci.c
View file

@ -53,6 +53,9 @@
#if defined(CONFIG_PCI_OHCI)
# include <pci.h>
#if !defined(CONFIG_PCI_OHCI_DEVNO)
#define CONFIG_PCI_OHCI_DEVNO 0
#endif
#endif
#include <malloc.h>
@ -1818,7 +1821,7 @@ int usb_lowlevel_init(void)
gohci.sleeping = 0;
gohci.irq = -1;
#ifdef CONFIG_PCI_OHCI
pdev = pci_find_devices(ohci_pci_ids, 0);
pdev = pci_find_devices(ohci_pci_ids, CONFIG_PCI_OHCI_DEVNO);
if (pdev != -1) {
u16 vid, did;

14
include/configs/socrates.h
View file

@ -232,7 +232,7 @@
#define CONFIG_EEPRO100
#undef CONFIG_TULIP
#undef CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
#define CFG_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */
#endif /* CONFIG_PCI */
@ -299,8 +299,8 @@
#define CONFIG_CMD_MII
#define CONFIG_CMD_NFS
#define CONFIG_CMD_PING
#undef CONFIG_CMD_RTC
#define CONFIG_CMD_SNTP
#define CONFIG_CMD_USB
#if defined(CONFIG_PCI)
@ -399,4 +399,14 @@
#define CONFIG_OF_LIBFDT 1
#define CONFIG_OF_BOARD_SETUP 1
/* USB support */
#define CONFIG_USB_OHCI_NEW 1
#define CONFIG_PCI_OHCI 1
#define CONFIG_PCI_OHCI_DEVNO 3 /* Number in PCI list */
#define CFG_USB_OHCI_MAX_ROOT_PORTS 15
#define CFG_USB_OHCI_SLOT_NAME "ohci_pci"
#define CFG_OHCI_SWAP_REG_ACCESS 1
#define CONFIG_DOS_PARTITION 1
#define CONFIG_USB_STORAGE 1
#endif /* __CONFIG_H */