mirror of
https://src.fedoraproject.org/rpms/grub2.git
synced 2024-12-01 00:48:18 +00:00
203 lines
7.5 KiB
Diff
203 lines
7.5 KiB
Diff
From 16e60d9443ebe87df0cecac9a22df6e0440b805d Mon Sep 17 00:00:00 2001
|
||
From: =?UTF-8?q?Ale=C5=A1=20Nesrsta?= <starous@volny.cz>
|
||
Date: Fri, 12 Apr 2013 20:42:46 +0200
|
||
Subject: [PATCH 292/482] Fix handling of split transfers.
|
||
|
||
---
|
||
ChangeLog | 4 ++++
|
||
grub-core/bus/usb/ehci.c | 25 ++++++++++-------------
|
||
grub-core/bus/usb/usbhub.c | 50 +++++++++++++++++++++++++++++++++++++++-------
|
||
include/grub/usb.h | 4 ++--
|
||
4 files changed, 59 insertions(+), 24 deletions(-)
|
||
|
||
diff --git a/ChangeLog b/ChangeLog
|
||
index 79563b8..e8e4569 100644
|
||
--- a/ChangeLog
|
||
+++ b/ChangeLog
|
||
@@ -1,3 +1,7 @@
|
||
+2013-04-12 Aleš Nesrsta <starous@volny.cz>
|
||
+
|
||
+ Fix handling of split transfers.
|
||
+
|
||
2013-04-12 Vladimir Serbinenko <phcoder@gmail.com>
|
||
|
||
* grub-core/net/http.c: Fix bad free.
|
||
diff --git a/grub-core/bus/usb/ehci.c b/grub-core/bus/usb/ehci.c
|
||
index e902fcd..18b12b2 100644
|
||
--- a/grub-core/bus/usb/ehci.c
|
||
+++ b/grub-core/bus/usb/ehci.c
|
||
@@ -798,7 +798,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
|
||
/* Set ownership of root hub ports to EHCI */
|
||
grub_ehci_oper_write32 (e, GRUB_EHCI_CONFIG_FLAG, GRUB_EHCI_CF_EHCI_OWNER);
|
||
|
||
- /* Enable asynchronous list */
|
||
+ /* Enable both lists */
|
||
grub_ehci_oper_write32 (e, GRUB_EHCI_COMMAND,
|
||
GRUB_EHCI_CMD_AS_ENABL
|
||
| GRUB_EHCI_CMD_PS_ENABL
|
||
@@ -942,9 +942,9 @@ grub_ehci_setup_qh (grub_ehci_qh_t qh, grub_usb_transfer_t transfer)
|
||
* SplitCompletionMask - AFAIK it is ignored in asynchronous list,
|
||
* InterruptScheduleMask - AFAIK it should be zero in async. list */
|
||
ep_cap |= GRUB_EHCI_MULT_THREE;
|
||
- ep_cap |= (transfer->dev->port << GRUB_EHCI_DEVPORT_OFF)
|
||
+ ep_cap |= (transfer->dev->split_hubport << GRUB_EHCI_DEVPORT_OFF)
|
||
& GRUB_EHCI_DEVPORT_MASK;
|
||
- ep_cap |= (transfer->dev->hubaddr << GRUB_EHCI_HUBADDR_OFF)
|
||
+ ep_cap |= (transfer->dev->split_hubaddr << GRUB_EHCI_HUBADDR_OFF)
|
||
& GRUB_EHCI_HUBADDR_MASK;
|
||
if (transfer->dev->speed == GRUB_USB_SPEED_LOW
|
||
&& transfer->type != GRUB_USB_TRANSACTION_TYPE_CONTROL)
|
||
@@ -1261,16 +1261,6 @@ grub_ehci_setup_transfer (grub_usb_controller_t dev,
|
||
/* XXX: Fix it: Currently we don't do anything to restart EHCI */
|
||
return GRUB_USB_ERR_INTERNAL;
|
||
|
||
- /* Check if transfer is not high speed and connected to root hub.
|
||
- * It should not happened but... */
|
||
- if ((transfer->dev->speed != GRUB_USB_SPEED_HIGH)
|
||
- && !transfer->dev->hubaddr)
|
||
- {
|
||
- grub_error (GRUB_USB_ERR_BADDEVICE,
|
||
- "FULL/LOW speed device on EHCI port!?!");
|
||
- return GRUB_USB_ERR_BADDEVICE;
|
||
- }
|
||
-
|
||
/* Allocate memory for controller transfer data. */
|
||
cdata = grub_malloc (sizeof (*cdata));
|
||
if (!cdata)
|
||
@@ -1887,13 +1877,18 @@ grub_ehci_fini_hw (int noreturn __attribute__ ((unused)))
|
||
/* We should disable all EHCI HW to prevent any DMA access etc. */
|
||
for (e = ehci; e; e = e->next)
|
||
{
|
||
+ /* Disable both lists */
|
||
+ grub_ehci_oper_write32 (e, GRUB_EHCI_COMMAND,
|
||
+ ~(GRUB_EHCI_CMD_AS_ENABL | GRUB_EHCI_CMD_PS_ENABL)
|
||
+ & grub_ehci_oper_read32 (e, GRUB_EHCI_COMMAND));
|
||
+
|
||
/* Check if EHCI is halted and halt it if not */
|
||
if (grub_ehci_halt (e) != GRUB_USB_ERR_NONE)
|
||
- grub_error (GRUB_ERR_TIMEOUT, "restore_hw: EHCI halt timeout");
|
||
+ grub_error (GRUB_ERR_TIMEOUT, "fini_hw: EHCI halt timeout");
|
||
|
||
/* Reset EHCI */
|
||
if (grub_ehci_reset (e) != GRUB_USB_ERR_NONE)
|
||
- grub_error (GRUB_ERR_TIMEOUT, "restore_hw: EHCI reset timeout");
|
||
+ grub_error (GRUB_ERR_TIMEOUT, "fini_hw: EHCI reset timeout");
|
||
}
|
||
|
||
return GRUB_USB_ERR_NONE;
|
||
diff --git a/grub-core/bus/usb/usbhub.c b/grub-core/bus/usb/usbhub.c
|
||
index 6fc9d02..e3b7d40 100644
|
||
--- a/grub-core/bus/usb/usbhub.c
|
||
+++ b/grub-core/bus/usb/usbhub.c
|
||
@@ -49,7 +49,7 @@ static grub_usb_controller_dev_t grub_usb_list;
|
||
static grub_usb_device_t
|
||
grub_usb_hub_add_dev (grub_usb_controller_t controller,
|
||
grub_usb_speed_t speed,
|
||
- int port, int hubaddr)
|
||
+ int split_hubport, int split_hubaddr)
|
||
{
|
||
grub_usb_device_t dev;
|
||
int i;
|
||
@@ -63,8 +63,8 @@ grub_usb_hub_add_dev (grub_usb_controller_t controller,
|
||
|
||
dev->controller = *controller;
|
||
dev->speed = speed;
|
||
- dev->port = port;
|
||
- dev->hubaddr = hubaddr;
|
||
+ dev->split_hubport = split_hubport;
|
||
+ dev->split_hubaddr = split_hubaddr;
|
||
|
||
err = grub_usb_device_initialize (dev);
|
||
if (err)
|
||
@@ -108,8 +108,8 @@ grub_usb_hub_add_dev (grub_usb_controller_t controller,
|
||
|
||
grub_dprintf ("usb", "Added new usb device: %p, addr=%d\n",
|
||
dev, i);
|
||
- grub_dprintf ("usb", "speed=%d, port=%d, hubaddr=%d\n",
|
||
- speed, port, hubaddr);
|
||
+ grub_dprintf ("usb", "speed=%d, split_hubport=%d, split_hubaddr=%d\n",
|
||
+ speed, split_hubport, split_hubaddr);
|
||
|
||
/* Wait "recovery interval", spec. says 2ms */
|
||
grub_millisleep (2);
|
||
@@ -219,7 +219,12 @@ attach_root_port (struct grub_usb_hub *hub, int portno,
|
||
grub_boot_time ("Port enabled");
|
||
|
||
/* Enable the port and create a device. */
|
||
- dev = grub_usb_hub_add_dev (hub->controller, speed, portno, 0);
|
||
+ /* High speed device needs not transaction translation
|
||
+ and full/low speed device cannot be connected to EHCI root hub
|
||
+ and full/low speed device connected to OHCI/UHCI needs not
|
||
+ transaction translation - e.g. hubport and hubaddr should be
|
||
+ always none (zero) for any device connected to any root hub. */
|
||
+ dev = grub_usb_hub_add_dev (hub->controller, speed, 0, 0);
|
||
hub->controller->dev->pending_reset = 0;
|
||
npending--;
|
||
if (! dev)
|
||
@@ -593,6 +598,8 @@ poll_nonroot_hub (grub_usb_device_t dev)
|
||
{
|
||
grub_usb_speed_t speed;
|
||
grub_usb_device_t next_dev;
|
||
+ int split_hubport = 0;
|
||
+ int split_hubaddr = 0;
|
||
|
||
/* Determine the device speed. */
|
||
if (status & GRUB_USB_HUB_STATUS_PORT_LOWSPEED)
|
||
@@ -608,8 +615,37 @@ poll_nonroot_hub (grub_usb_device_t dev)
|
||
/* Wait a recovery time after reset, spec. says 10ms */
|
||
grub_millisleep (10);
|
||
|
||
+ /* Find correct values for SPLIT hubport and hubaddr */
|
||
+ if (speed == GRUB_USB_SPEED_HIGH)
|
||
+ {
|
||
+ /* HIGH speed device needs not transaction translation */
|
||
+ split_hubport = 0;
|
||
+ split_hubaddr = 0;
|
||
+ }
|
||
+ else
|
||
+ /* FULL/LOW device needs hub port and hub address
|
||
+ for transaction translation (if connected to EHCI) */
|
||
+ if (dev->speed == GRUB_USB_SPEED_HIGH)
|
||
+ {
|
||
+ /* This port is the first FULL/LOW speed port
|
||
+ in the chain from root hub. Attached device
|
||
+ should use its port number and hub address */
|
||
+ split_hubport = i;
|
||
+ split_hubaddr = dev->addr;
|
||
+ }
|
||
+ else
|
||
+ {
|
||
+ /* This port is NOT the first FULL/LOW speed port
|
||
+ in the chain from root hub. Attached device
|
||
+ should use values inherited from some parent
|
||
+ HIGH speed hub - if any. */
|
||
+ split_hubport = dev->split_hubport;
|
||
+ split_hubaddr = dev->split_hubaddr;
|
||
+ }
|
||
+
|
||
/* Add the device and assign a device address to it. */
|
||
- next_dev = grub_usb_hub_add_dev (&dev->controller, speed, i, dev->addr);
|
||
+ next_dev = grub_usb_hub_add_dev (&dev->controller, speed,
|
||
+ split_hubport, split_hubaddr);
|
||
if (dev->controller.dev->pending_reset)
|
||
{
|
||
dev->controller.dev->pending_reset = 0;
|
||
diff --git a/include/grub/usb.h b/include/grub/usb.h
|
||
index 9e2c221..1cc9942 100644
|
||
--- a/include/grub/usb.h
|
||
+++ b/include/grub/usb.h
|
||
@@ -225,9 +225,9 @@ struct grub_usb_device
|
||
struct grub_usb_desc_endp *hub_endpoint;
|
||
|
||
/* EHCI Split Transfer information */
|
||
- int port;
|
||
+ int split_hubport;
|
||
|
||
- int hubaddr;
|
||
+ int split_hubaddr;
|
||
};
|
||
|
||
|
||
--
|
||
1.8.2.1
|
||
|