(((dword) & 0x0000FF00) << 8) | \
(((dword) & 0x000000FF) << 24) )
+static struct endpoint_descriptor *allocate_endpoint();
+static struct general_td *allocate_general_td(size_t);
+static void control_quirk();
+static void dbg_op_state();
+static void dbg_td_flag(u32 flag);
+static void configure_ports(u8 from_init);
+static void setup_port(u32 reg, u8 from_init);
+
static struct ohci_hcca hcca_oh0;
+
static struct endpoint_descriptor *allocate_endpoint()
{
struct endpoint_descriptor *ep;
write32(OHCI0_HC_CONTROL, OHCI_CONTROL_INIT | OHCI_USB_OPER);
/* wake on ConnectStatusChange, matching external hubs */
- set32(OHCI0_HC_RH_STATUS, RH_HS_DRWE);
+ write32(OHCI0_HC_RH_STATUS, /*RH_HS_DRWE |*/ RH_HS_LPSC);
/* Choose the interrupts we care about now, others later on demand */
write32(OHCI0_HC_INT_STATUS, ~0);
write32(OHCI0_HC_INT_ENABLE, OHCI_INTR_INIT);
+ //wtf?
+ wait_ms ((read32(OHCI0_HC_RH_DESCRIPTOR_A) >> 23) & 0x1fe);
+
+ configure_ports((u8)1);
irq_restore(cookie);
dbg_op_state();
}
+static void configure_ports(u8 from_init)
+{
+ printf("OHCI0_HC_RH_DESCRIPTOR_A:\t0x%08X\n", read32(OHCI0_HC_RH_DESCRIPTOR_A));
+ printf("OHCI0_HC_RH_DESCRIPTOR_B:\t0x%08X\n", read32(OHCI0_HC_RH_DESCRIPTOR_B));
+ printf("OHCI0_HC_RH_STATUS:\t\t0x%08X\n", read32(OHCI0_HC_RH_STATUS));
+ printf("OHCI0_HC_RH_PORT_STATUS_1:\t0x%08X\n", read32(OHCI0_HC_RH_PORT_STATUS_1));
+ printf("OHCI0_HC_RH_PORT_STATUS_2:\t0x%08X\n", read32(OHCI0_HC_RH_PORT_STATUS_2));
+
+ setup_port(OHCI0_HC_RH_PORT_STATUS_1, from_init);
+ setup_port(OHCI0_HC_RH_PORT_STATUS_2, from_init);
+ printf("configure_ports done\n");
+}
+
+static void setup_port(u32 reg, u8 from_init)
+{
+ u32 port = read32(reg);
+ if((port & RH_PS_CCS) && ((port & RH_PS_CSC) || from_init)) {
+ write32(reg, RH_PS_CSC);
+
+ wait_ms(150);
+
+ /* clear CSC flag, set PES and start port reset (PRS) */
+ write32(reg, RH_PS_PES);
+ while(!(read32(reg) & RH_PS_PES)) {
+ printf("fu\n");
+ return;
+ }
+
+ write32(reg, RH_PS_PRS);
+
+ /* spin until port reset is complete */
+ while(!(read32(reg) & RH_PS_PRSC)); // hint: it may stuck here
+ printf("loop done\n");
+
+ (void) usb_add_device();
+ }
+}
+
void hcdi_irq()
{
/* read interrupt status */
if (flags & OHCI_INTR_RHSC) {
printf("RootHubStatusChange\n");
/* TODO: set some next_statechange variable... */
- u32 port1 = read32(OHCI0_HC_RH_PORT_STATUS_1);
- u32 port2 = read32(OHCI0_HC_RH_PORT_STATUS_2);
- printf("OHCI0_HC_RH_DESCRIPTOR_A:\t0x%08X\n", read32(OHCI0_HC_RH_DESCRIPTOR_A));
- printf("OHCI0_HC_RH_DESCRIPTOR_B:\t0x%08X\n", read32(OHCI0_HC_RH_DESCRIPTOR_B));
- printf("OHCI0_HC_RH_STATUS:\t\t0x%08X\n", read32(OHCI0_HC_RH_STATUS));
- printf("OHCI0_HC_RH_PORT_STATUS_1:\t0x%08X\n", port1);
- printf("OHCI0_HC_RH_PORT_STATUS_2:\t0x%08X\n", port2);
-
- if((port1 & RH_PS_CCS) && (port1 & RH_PS_CSC)) {
- write32(OHCI0_HC_RH_PORT_STATUS_1, RH_PS_CSC);
-
- wait_ms(100);
-
- /* clear CSC flag, set PES and start port reset (PRS) */
- write32(OHCI0_HC_RH_PORT_STATUS_1, RH_PS_PES);
- write32(OHCI0_HC_RH_PORT_STATUS_1, RH_PS_PRS);
-
- /* spin until port reset is complete */
- port1 = read32(OHCI0_HC_RH_PORT_STATUS_1);
- while(!(port1 & RH_PS_PRSC)) {
- udelay(2);
- printf("fuck");
- port1 = read32(OHCI0_HC_RH_PORT_STATUS_1);
- }
-
- (void) usb_add_device();
- }
- if((port2 & RH_PS_CCS) && (port2 & RH_PS_CSC)) {
- wait_ms(100);
-
- /* clear CSC flag, set PES and start port reset (PRS) */
- write32(OHCI0_HC_RH_PORT_STATUS_2, port2 | RH_PS_CSC | RH_PS_PES | RH_PS_PRS);
-
- /* spin until port reset is complete */
- port2 = read32(OHCI0_HC_RH_PORT_STATUS_2);
- while(!(port2 & RH_PS_PRSC)) {
- udelay(2);
- port2 = read32(OHCI0_HC_RH_PORT_STATUS_2);
- }
-
- (void) usb_add_device();
- }
-
+ configure_ports(0);
write32(OHCI0_HC_INT_STATUS, OHCI_INTR_RD | OHCI_INTR_RHSC);
}
/* ResumeDetected */