+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(120);
+
+ /* 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();
+ }
+}
+