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", read32(OHCI0_HC_RH_PORT_STATUS_1));
- printf("OHCI0_HC_RH_PORT_STATUS_2:\t0x%08X\n", read32(OHCI0_HC_RH_PORT_STATUS_2));
+ 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)) {
+ wait_ms(100);
+
+ /* clear CSC flag, set PES and start port reset (PRS) */
+ write32(OHCI0_HC_RH_PORT_STATUS_1, port1 | RH_PS_CSC | RH_PS_PES | RH_PS_PRS);
+
+ /* spin until port reset is complete */
+ port1 = read32(OHCI0_HC_RH_PORT_STATUS_1);
+ while(!(port1 & RH_PS_PRSC)) {
+ udelay(2);
+ 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();
+ }
+
write32(OHCI0_HC_INT_STATUS, OHCI_INTR_RD | OHCI_INTR_RHSC);
}
/* ResumeDetected */