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-rw-r--r--payloads/libpayload/drivers/usb/ehci.c28
-rw-r--r--payloads/libpayload/drivers/usb/ehci_rh.c16
-rw-r--r--payloads/libpayload/drivers/usb/ohci.c20
-rw-r--r--payloads/libpayload/drivers/usb/ohci_rh.c12
-rw-r--r--payloads/libpayload/drivers/usb/uhci.c15
-rw-r--r--payloads/libpayload/drivers/usb/uhci_rh.c6
-rw-r--r--payloads/libpayload/drivers/usb/usb.c15
-rw-r--r--payloads/libpayload/drivers/usb/xhci.c23
8 files changed, 48 insertions, 87 deletions
diff --git a/payloads/libpayload/drivers/usb/ehci.c b/payloads/libpayload/drivers/usb/ehci.c
index 0c3e32ddcc..b83712c463 100644
--- a/payloads/libpayload/drivers/usb/ehci.c
+++ b/payloads/libpayload/drivers/usb/ehci.c
@@ -176,16 +176,17 @@ static int ehci_set_periodic_schedule(ehci_t *ehcic, int enable)
static void ehci_shutdown (hci_t *controller)
{
detach_controller(controller);
+
/* Make sure periodic schedule is disabled */
ehci_set_periodic_schedule(EHCI_INST(controller), 0);
- /* Free periodic frame list */
- free(phys_to_virt(EHCI_INST(controller)->operation->periodiclistbase));
-
- /* Free dummy QH */
- free((void *)EHCI_INST(controller)->dummy_qh);
+ /* Give all ports back to companion controller */
EHCI_INST(controller)->operation->configflag = 0;
+ /* Free all dynamic allocations */
+ free(EHCI_INST(controller)->dma_buffer);
+ free(phys_to_virt(EHCI_INST(controller)->operation->periodiclistbase));
+ free((void *)EHCI_INST(controller)->dummy_qh);
free(EHCI_INST(controller));
free(controller);
}
@@ -788,16 +789,8 @@ ehci_init (unsigned long physical_bar)
{
int i;
hci_t *controller = new_controller ();
-
- if (!controller)
- fatal("Could not create USB controller instance.\n");
-
- controller->instance = malloc (sizeof (ehci_t));
- if(!controller->instance)
- fatal("Not enough memory creating USB controller instance.\n");
-
+ controller->instance = xzalloc(sizeof (ehci_t));
controller->type = EHCI;
-
controller->start = ehci_start;
controller->stop = ehci_stop;
controller->reset = ehci_reset;
@@ -811,13 +804,10 @@ ehci_init (unsigned long physical_bar)
controller->create_intr_queue = ehci_create_intr_queue;
controller->destroy_intr_queue = ehci_destroy_intr_queue;
controller->poll_intr_queue = ehci_poll_intr_queue;
- for (i = 0; i < 128; i++) {
- controller->devices[i] = 0;
- }
init_device_entry (controller, 0);
- EHCI_INST(controller)->capabilities = phys_to_virt(physical_bar);
- EHCI_INST(controller)->operation = (hc_op_t *)(phys_to_virt(physical_bar) + EHCI_INST(controller)->capabilities->caplength);
+ EHCI_INST(controller)->capabilities = phys_to_virt(controller->reg_base);
+ EHCI_INST(controller)->operation = (hc_op_t *)(phys_to_virt(controller->reg_base) + EHCI_INST(controller)->capabilities->caplength);
/* Set the high address word (aka segment) if controller is 64-bit */
if (EHCI_INST(controller)->capabilities->hccparams & 1)
diff --git a/payloads/libpayload/drivers/usb/ehci_rh.c b/payloads/libpayload/drivers/usb/ehci_rh.c
index 67f63cc481..6109505c7f 100644
--- a/payloads/libpayload/drivers/usb/ehci_rh.c
+++ b/payloads/libpayload/drivers/usb/ehci_rh.c
@@ -48,6 +48,17 @@ typedef struct {
static void
ehci_rh_destroy (usbdev_t *dev)
{
+ int port;
+
+ /* Tear down all devices below the root hub (in bottom-up order). */
+ for (port = 0; port < RH_INST(dev)->n_ports; port++) {
+ if (RH_INST(dev)->devices[port] != -1) {
+ usb_detach_device(dev->controller,
+ RH_INST(dev)->devices[port]);
+ RH_INST(dev)->devices[port] = -1;
+ }
+ }
+
free (RH_INST(dev)->devices);
free (RH_INST(dev));
}
@@ -156,10 +167,10 @@ ehci_rh_init (usbdev_t *dev)
dev->destroy = ehci_rh_destroy;
dev->poll = ehci_rh_poll;
- dev->data = malloc(sizeof(rh_inst_t));
-
+ dev->data = xmalloc(sizeof(rh_inst_t));
RH_INST(dev)->n_ports = EHCI_INST(dev->controller)->capabilities->hcsparams & HCS_NPORTS_MASK;
RH_INST(dev)->ports = EHCI_INST(dev->controller)->operation->portsc;
+ RH_INST(dev)->devices = xmalloc(RH_INST(dev)->n_ports * sizeof(int));
usb_debug("root hub has %x ports\n", RH_INST(dev)->n_ports);
@@ -175,7 +186,6 @@ ehci_rh_init (usbdev_t *dev)
}
mdelay(20); // ehci spec 2.3.9
- RH_INST(dev)->devices = malloc(RH_INST(dev)->n_ports * sizeof(int));
for (i=0; i < RH_INST(dev)->n_ports; i++) {
RH_INST(dev)->devices[i] = -1;
ehci_rh_scanport(dev, i);
diff --git a/payloads/libpayload/drivers/usb/ohci.c b/payloads/libpayload/drivers/usb/ohci.c
index e1664cca9b..143f738de3 100644
--- a/payloads/libpayload/drivers/usb/ohci.c
+++ b/payloads/libpayload/drivers/usb/ohci.c
@@ -172,16 +172,8 @@ ohci_init (unsigned long physical_bar)
int i;
hci_t *controller = new_controller ();
-
- if (!controller)
- fatal("Could not create USB controller instance.\n");
-
- controller->instance = malloc (sizeof (ohci_t));
- if(!controller->instance)
- fatal("Not enough memory creating USB controller instance.\n");
-
+ controller->instance = xzalloc(sizeof (ohci_t));
controller->type = OHCI;
-
controller->start = ohci_start;
controller->stop = ohci_stop;
controller->reset = ohci_reset;
@@ -195,9 +187,6 @@ ohci_init (unsigned long physical_bar)
controller->create_intr_queue = ohci_create_intr_queue;
controller->destroy_intr_queue = ohci_destroy_intr_queue;
controller->poll_intr_queue = ohci_poll_intr_queue;
- for (i = 0; i < 128; i++) {
- controller->devices[i] = 0;
- }
init_device_entry (controller, 0);
OHCI_INST (controller)->roothub = controller->devices[0];
@@ -279,8 +268,7 @@ ohci_shutdown (hci_t *controller)
return;
detach_controller (controller);
ohci_stop(controller);
- OHCI_INST (controller)->roothub->destroy (OHCI_INST (controller)->
- roothub);
+ free (OHCI_INST (controller)->hcca);
free ((void *)OHCI_INST (controller)->periodic_ed);
free (OHCI_INST (controller));
free (controller);
@@ -289,13 +277,13 @@ ohci_shutdown (hci_t *controller)
static void
ohci_start (hci_t *controller)
{
-// TODO: turn on all operation of OHCI, but assume that it's initialized.
+ OHCI_INST (controller)->opreg->HcControl |= PeriodicListEnable;
}
static void
ohci_stop (hci_t *controller)
{
-// TODO: turn off all operation of OHCI
+ OHCI_INST (controller)->opreg->HcControl &= ~PeriodicListEnable;
}
static int
diff --git a/payloads/libpayload/drivers/usb/ohci_rh.c b/payloads/libpayload/drivers/usb/ohci_rh.c
index b3bf7ef3cb..5d82bd59e0 100644
--- a/payloads/libpayload/drivers/usb/ohci_rh.c
+++ b/payloads/libpayload/drivers/usb/ohci_rh.c
@@ -83,6 +83,11 @@ ohci_rh_enable_port (usbdev_t *dev, int port)
static void
ohci_rh_disable_port (usbdev_t *dev, int port)
{
+ if (RH_INST (dev)->port[port] != -1) {
+ usb_detach_device(dev->controller, RH_INST (dev)->port[port]);
+ RH_INST (dev)->port[port] = -1;
+ }
+
OHCI_INST (dev->controller)->opreg->HcRhPortStatus[port] = ClearPortEnable; // disable port
int timeout = 50; /* timeout after 50 * 100us == 5ms */
while ((OHCI_INST (dev->controller)->opreg->HcRhPortStatus[port]
@@ -180,12 +185,9 @@ ohci_rh_init (usbdev_t *dev)
dev->destroy = ohci_rh_destroy;
dev->poll = ohci_rh_poll;
- dev->data = malloc (sizeof (rh_inst_t));
- if (!dev->data)
- fatal("Not enough memory for OHCI RH.\n");
-
+ dev->data = xmalloc (sizeof (rh_inst_t));
RH_INST (dev)->numports = OHCI_INST (dev->controller)->opreg->HcRhDescriptorA & NumberDownstreamPortsMask;
- RH_INST (dev)->port = malloc(sizeof(int) * RH_INST (dev)->numports);
+ RH_INST (dev)->port = xmalloc(sizeof(int) * RH_INST (dev)->numports);
usb_debug("%d ports registered\n", RH_INST (dev)->numports);
for (i = 0; i < RH_INST (dev)->numports; i++) {
diff --git a/payloads/libpayload/drivers/usb/uhci.c b/payloads/libpayload/drivers/usb/uhci.c
index 3eff612129..2e3249ee74 100644
--- a/payloads/libpayload/drivers/usb/uhci.c
+++ b/payloads/libpayload/drivers/usb/uhci.c
@@ -153,16 +153,8 @@ uhci_pci_init (pcidev_t addr)
u16 reg16;
hci_t *controller = new_controller ();
-
- if (!controller)
- fatal("Could not create USB controller instance.\n");
-
- controller->instance = malloc (sizeof (uhci_t));
- if(!controller->instance)
- fatal("Not enough memory creating USB controller instance.\n");
-
+ controller->instance = xzalloc(sizeof (uhci_t));
controller->type = UHCI;
-
controller->start = uhci_start;
controller->stop = uhci_stop;
controller->reset = uhci_reset;
@@ -176,9 +168,6 @@ uhci_pci_init (pcidev_t addr)
controller->create_intr_queue = uhci_create_intr_queue;
controller->destroy_intr_queue = uhci_destroy_intr_queue;
controller->poll_intr_queue = uhci_poll_intr_queue;
- for (i = 0; i < 128; i++) {
- controller->devices[i] = 0;
- }
init_device_entry (controller, 0);
UHCI_INST (controller)->roothub = controller->devices[0];
@@ -257,8 +246,6 @@ uhci_shutdown (hci_t *controller)
if (controller == 0)
return;
detach_controller (controller);
- UHCI_INST (controller)->roothub->destroy (UHCI_INST (controller)->
- roothub);
uhci_reg_write16(controller, USBCMD,
uhci_reg_read16(controller, USBCMD) & 0); // stop work
free (UHCI_INST (controller)->framelistptr);
diff --git a/payloads/libpayload/drivers/usb/uhci_rh.c b/payloads/libpayload/drivers/usb/uhci_rh.c
index 5cb18b9516..4668c4ecae 100644
--- a/payloads/libpayload/drivers/usb/uhci_rh.c
+++ b/payloads/libpayload/drivers/usb/uhci_rh.c
@@ -176,6 +176,8 @@ uhci_rh_report_port_changes (usbdev_t *dev)
static void
uhci_rh_destroy (usbdev_t *dev)
{
+ usb_detach_device (dev->controller, 1);
+ usb_detach_device (dev->controller, 2);
uhci_rh_disable_port (dev, 1);
uhci_rh_disable_port (dev, 2);
free (RH_INST (dev));
@@ -197,9 +199,7 @@ uhci_rh_init (usbdev_t *dev)
uhci_rh_enable_port (dev, 1);
uhci_rh_enable_port (dev, 2);
- dev->data = malloc (sizeof (rh_inst_t));
- if (!dev->data)
- fatal("Not enough memory for UHCI RH.\n");
+ dev->data = xmalloc (sizeof (rh_inst_t));
RH_INST (dev)->port[0] = -1;
RH_INST (dev)->port[1] = -1;
diff --git a/payloads/libpayload/drivers/usb/usb.c b/payloads/libpayload/drivers/usb/usb.c
index 4f21e0cf3b..eb23760033 100644
--- a/payloads/libpayload/drivers/usb/usb.c
+++ b/payloads/libpayload/drivers/usb/usb.c
@@ -39,15 +39,9 @@ hci_t *usb_hcs = 0;
hci_t *
new_controller (void)
{
- hci_t *controller = malloc (sizeof (hci_t));
-
- if (controller) {
- /* atomic */
- controller->next = usb_hcs;
- usb_hcs = controller;
- /* atomic end */
- }
-
+ hci_t *controller = xzalloc(sizeof (hci_t));
+ controller->next = usb_hcs;
+ usb_hcs = controller;
return controller;
}
@@ -56,6 +50,9 @@ detach_controller (hci_t *controller)
{
if (controller == NULL)
return;
+
+ usb_detach_device(controller, 0); /* tear down root hub tree */
+
if (usb_hcs == controller) {
usb_hcs = controller->next;
} else {
diff --git a/payloads/libpayload/drivers/usb/xhci.c b/payloads/libpayload/drivers/usb/xhci.c
index 23314855ee..c60a967607 100644
--- a/payloads/libpayload/drivers/usb/xhci.c
+++ b/payloads/libpayload/drivers/usb/xhci.c
@@ -150,11 +150,6 @@ xhci_init (unsigned long physical_bar)
/* First, allocate and initialize static controller structures */
hci_t *const controller = new_controller();
- if (!controller) {
- xhci_debug("Could not create USB controller instance\n");
- return controller;
- }
-
controller->type = XHCI;
controller->start = xhci_start;
controller->stop = xhci_stop;
@@ -170,17 +165,10 @@ xhci_init (unsigned long physical_bar)
controller->destroy_intr_queue = xhci_destroy_intr_queue;
controller->poll_intr_queue = xhci_poll_intr_queue;
controller->pcidev = 0;
- for (i = 0; i < 128; ++i) {
- controller->devices[i] = NULL;
- }
- controller->instance = malloc(sizeof(xhci_t));
- if (!controller->instance) {
- xhci_debug("Out of memory creating xHCI controller instance\n");
- goto _free_controller;
- }
+ controller->reg_base = (u32)physical_bar;
+ controller->instance = xzalloc(sizeof(xhci_t));
xhci_t *const xhci = (xhci_t *)controller->instance;
- memset(xhci, 0x00, sizeof(*xhci));
init_device_entry(controller, 0);
xhci->roothub = controller->devices[0];
@@ -282,6 +270,7 @@ xhci_init (unsigned long physical_bar)
return controller;
_free_xhci_structs:
+ free(xhci->dma_buffer);
if (xhci->sp_ptrs) {
for (i = 0; i < max_sp_bufs; ++i) {
if (xhci->sp_ptrs[i])
@@ -410,13 +399,10 @@ xhci_shutdown(hci_t *const controller)
if (controller == 0)
return;
- xhci_t *const xhci = XHCI_INST(controller);
detach_controller(controller);
- /* Detach device hierarchy (starting at root hub) */
- usb_detach_device(controller, 0);
-
+ xhci_t *const xhci = XHCI_INST(controller);
xhci_stop(controller);
if (controller->pcidev)
@@ -430,6 +416,7 @@ xhci_shutdown(hci_t *const controller)
}
}
free(xhci->sp_ptrs);
+ free(xhci->dma_buffer);
free(xhci->dcbaa);
free(xhci->dev);
free((void *)xhci->ev_ring_table);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 02:33:56 +0000