roothubports will be configured after init of ohci

[ppcskel.git] / usb / host / ohci.c

diff --git a/usb/host/ohci.c b/usb/host/ohci.c
index 415be1c1848bd05038b6c3e9fa2cebf77f8b2a45..8a2eff6e6ca4f0bb73126e40ddd5a91cac7e36c8 100644 (file)
--- a/usb/host/ohci.c
+++ b/usb/host/ohci.c
@@ -26,8 +26,17 @@ Copyright (C) 2009     Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
                           (((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;
@@ -358,9 +367,48 @@ void hcdi_init()
 
        irq_restore(cookie);
 
+       configure_ports((u8)1);
+
        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);
+}
+
+static void setup_port(u32 reg, u8 from_init)
+{
+       u32 port = read32(reg);
+       if((port & RH_PS_CCS) && ((port & RH_PS_CSC) || from_init)) {
+               if(!from_init)
+                       write32(reg, RH_PS_CSC);
+
+               wait_ms(100);
+
+               /* clear CSC flag, set PES and start port reset (PRS) */
+               write32(reg, RH_PS_PES);
+               write32(reg, RH_PS_PRS);
+
+               /* spin until port reset is complete */
+               port = read32(reg);
+               while(!(port & RH_PS_PRSC)) {
+                       udelay(2);
+                       printf("fuck\n");
+                       port = read32(reg);
+               }
+
+               (void) usb_add_device();
+       }
+}
+
 void hcdi_irq()
 {
        /* read interrupt status */
@@ -393,6 +441,7 @@ void hcdi_irq()
        if (flags & OHCI_INTR_RHSC) {
                printf("RootHubStatusChange\n");
                /* TODO: set some next_statechange variable... */
+               configure_ports(0);
                write32(OHCI0_HC_INT_STATUS, OHCI_INTR_RD | OHCI_INTR_RHSC);
        }
        /* ResumeDetected */