From: theStack <sebastian.falbesoner@gmail.com>
Date: Fri, 18 Sep 2009 23:52:48 +0000 (+0200)
Subject: adapted setup_port to old, clean state
X-Git-Tag: firstresponse~12
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=ppcskel.git;a=commitdiff_plain;h=f5281a85967ae59c079104be92cf1180095aa4b4

adapted setup_port to old, clean state

but with our evil return; hack :)
---

diff --git a/usb/host/ohci.c b/usb/host/ohci.c
index 183f8c0..ce23376 100644
--- a/usb/host/ohci.c
+++ b/usb/host/ohci.c
@@ -391,32 +391,21 @@ 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_CCS);
 		write32(reg, RH_PS_CSC);
 
-		wait_ms(200);
+		wait_ms(150);
 
 		/* clear CSC flag, set PES and start port reset (PRS) */
 		write32(reg, RH_PS_PES);
-		wait_ms(200);
 		while(!(read32(reg) & RH_PS_PES)) {
 			printf("fu\n");
-			//write32(reg, RH_PS_PES);
-			/*
-			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));
-			*/
 			return;
 		}
-		port = read32(reg);
-		wait_ms(200);
+
 		write32(reg, RH_PS_PRS);
 
 		/* spin until port reset is complete */
-		while((read32(reg) & RH_PS_PRS));
+		while(!(read32(reg) & RH_PS_PRSC)); // hint: it may stuck here
 		printf("loop done\n");
 
 		(void) usb_add_device();