USB EHCI: reset root hub

Some of multi-function USB controllers (e.g. ISP1562) allow root hub
resetting only via EHCI registers. So, this patch adds the
corresponding kind of reset to OHCI's hc_reset() if the newly
introduced CONFIG_PCI_EHCI_DEVNO option is set (e.g. for Socrates
board).

Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
Acked-by: Markus Klotzbuecher <mk@denx.de>
This commit is contained in:
Yuri Tikhonov
2008-09-04 11:19:05 +02:00
committed by Wolfgang Denk
parent 5875d358f0
commit e90fb6afab
3 changed files with 39 additions and 0 deletions

View File

@@ -410,6 +410,7 @@
#define CONFIG_USB_OHCI_NEW 1
#define CONFIG_PCI_OHCI 1
#define CONFIG_PCI_OHCI_DEVNO 3 /* Number in PCI list */
#define CONFIG_PCI_EHCI_DEVNO (CONFIG_PCI_OHCI_DEVNO / 2)
#define CFG_USB_OHCI_MAX_ROOT_PORTS 15
#define CFG_USB_OHCI_SLOT_NAME "ohci_pci"
#define CFG_OHCI_SWAP_REG_ACCESS 1