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imx: imx8qm/qxp: check whether m4 partition booted
[oweals/u-boot.git]
/
doc
/
README.generic_usb_ohci
diff --git
a/doc/README.generic_usb_ohci
b/doc/README.generic_usb_ohci
index 494dd1f5d92bfa404d47671ae27f6525394f2698..65b0896c7fd29603a69e3e1f6c1b82997d205491 100644
(file)
--- a/
doc/README.generic_usb_ohci
+++ b/
doc/README.generic_usb_ohci
@@
-1,7
+1,7
@@
Notes on the the generic USB-OHCI driver
========================================
Notes on the the generic USB-OHCI driver
========================================
-This driver (drivers/usb_ohci.[ch]) is the result of the merge of
+This driver (drivers/usb
/usb
_ohci.[ch]) is the result of the merge of
various existing OHCI drivers that were basically identical beside
cpu/board dependant initalization. This initalization has been moved
into cpu/board directories and are called via the hooks below.
various existing OHCI drivers that were basically identical beside
cpu/board dependant initalization. This initalization has been moved
into cpu/board directories and are called via the hooks below.
@@
-11,24
+11,24
@@
Configuration options
CONFIG_USB_OHCI_NEW: enable the new OHCI driver
CONFIG_USB_OHCI_NEW: enable the new OHCI driver
- C
FG
_USB_OHCI_BOARD_INIT: call the board dependant hooks:
+ C
ONFIG_SYS
_USB_OHCI_BOARD_INIT: call the board dependant hooks:
- - extern int
usb_board
_init(void);
+ - extern int
board_usb
_init(void);
- extern int usb_board_stop(void);
- extern int usb_cpu_init_fail(void);
- extern int usb_board_stop(void);
- extern int usb_cpu_init_fail(void);
- C
FG
_USB_OHCI_CPU_INIT: call the cpu dependant hooks:
+ C
ONFIG_SYS
_USB_OHCI_CPU_INIT: call the cpu dependant hooks:
- extern int usb_cpu_init(void);
- extern int usb_cpu_stop(void);
- extern int usb_cpu_init_fail(void);
- extern int usb_cpu_init(void);
- extern int usb_cpu_stop(void);
- extern int usb_cpu_init_fail(void);
- C
FG
_USB_OHCI_REGS_BASE: defines the base address of the OHCI
+ C
ONFIG_SYS
_USB_OHCI_REGS_BASE: defines the base address of the OHCI
registers
registers
- C
FG
_USB_OHCI_SLOT_NAME: slot name
+ C
ONFIG_SYS
_USB_OHCI_SLOT_NAME: slot name
- C
FG
_USB_OHCI_MAX_ROOT_PORTS: maximal number of ports of the
+ C
ONFIG_SYS
_USB_OHCI_MAX_ROOT_PORTS: maximal number of ports of the
root hub.
root hub.
@@
-36,10
+36,10
@@
Endianness issues
------------------
The USB bus operates in little endian, but unfortunately there are
------------------
The USB bus operates in little endian, but unfortunately there are
-OHCI controllers that operate in big endian such as ppc4xx
and
-
mpc5xxx. For these the
config option
+OHCI controllers that operate in big endian such as ppc4xx
. For these the
+config option
- C
FG
_OHCI_BE_CONTROLLER
+ C
ONFIG_SYS
_OHCI_BE_CONTROLLER
needs to be defined.
needs to be defined.
@@
-51,7
+51,13
@@
You'll need to define
CONFIG_PCI_OHCI
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:
PCI Controllers need to do byte swapping on register accesses, so they
should to define:
- C
FG
_OHCI_SWAP_REG_ACCESS
+ C
ONFIG_SYS
_OHCI_SWAP_REG_ACCESS