X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=ppcskel.git;a=blobdiff_plain;f=irq.c;h=1217ee2adecf7ec606e1bdd16ea595e2fd09c918;hp=1c5902b6de6f34af6700e3254f4452e7188b94b9;hb=HEAD;hpb=cbb2f30692a3d5cb7817aaa95dc14f8db24f5adb

diff --git a/irq.c b/irq.c
index 1c5902b..1217ee2 100644
--- a/irq.c
+++ b/irq.c
@@ -2,9 +2,8 @@
 	ppcskel - a Free Software replacement for the Nintendo/BroadOn IOS.
 	IRQ support
 
-Copyright (C) 2008, 2009	Hector Martin "marcan" <marcan@marcansoft.com>
-Copyright (C) 2008, 2009	Sven Peter <svenpeter@gmail.com>
-Copyright (C) 2009			Andre Heider "dhewg" <dhewg@wiibrew.org>
+Copyright (C) 2009		Bernhard Urban <lewurm@gmx.net>
+Copyright (C) 2009		Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
 
 # This code is licensed to you under the terms of the GNU GPL, version 2;
 # see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
@@ -14,24 +13,34 @@ Copyright (C) 2009			Andre Heider "dhewg" <dhewg@wiibrew.org>
 #include "hollywood.h"
 #include "ipc.h"
 #include "bootmii_ppc.h"
-//debug only
-#include "printf.h"
+#include "usb/host/host.h"
+#include "mini_ipc.h"
+
+void show_frame_no(void);
 
 void irq_initialize(void)
 {
-	// enable hollywood-pic for ppc
-	write32(HW_PPCIRQMASK, 0);
-	write32(HW_PPCIRQFLAG, 0xffffffff);
-
-	// enable RESET and PIC (#14) interrupts on processor interface
+	// clear flipper-pic (processor interface)
 	write32(BW_PI_IRQMASK, 0);
 	write32(BW_PI_IRQFLAG, 0xffffffff);
 
-	//??? -- needed?!
-	/*
-	write32(HW_PPCIRQMASK+0x04, 0);
-	write32(HW_PPCIRQMASK+0x20, 0);
-	*/
+	// clear hollywood-pic
+	write32(HW_PPCIRQMASK, 0);
+	write32(HW_PPCIRQFLAG, 0xffffffff);
+
+	/* ??? -- needed?!
+	 * in mini they do
+	 *
+	 * write32(HW_ARMIRQMASK+0x04, 0);
+	 * write32(HW_ARMIRQMASK+0x20, 0);
+	 *
+	 *
+	 * may it's here following; on the other 
+	 * hand it's already done by mini...
+	 *
+	 * write32(HW_PPCIRQMASK+0x04+0x08, 0);
+	 * write32(HW_PPCIRQMASK+0x20+0x08, 0);
+	 */
 
 	_CPU_ISR_Enable()
 }
@@ -47,31 +56,23 @@ void irq_handler(void)
 {
 	u32 enabled = read32(BW_PI_IRQMASK);
 	u32 flags = read32(BW_PI_IRQFLAG);
-	printf("flags1: 0x%08X\n", flags);
 
 	flags = flags & enabled;
 
-	if (flags & (1<<1)) { //RESET
+	if (flags & (1<<BW_PI_IRQ_RESET)) { 
 		write32(BW_PI_IRQFLAG, 1<<BW_PI_IRQ_RESET);
-		printf("IRQ RESET\n");
+		boot2_run(1,2); //sysmenu
 	}
-	if (flags & (1<<14)) { //HW-PIC IRQ
+
+	if (flags & (1<<BW_PI_IRQ_HW)) { //HW-PIC IRQ
 		u32 hw_enabled = read32(HW_PPCIRQMASK);
 		u32 hw_flags = read32(HW_PPCIRQFLAG);
 
-		printf("In IRQ handler: 0x%08x 0x%08x 0x%08x\n", hw_enabled, hw_flags, hw_flags & hw_enabled);
+		//printf("In IRQ handler: 0x%08x 0x%08x 0x%08x\n", hw_enabled, hw_flags, hw_flags & hw_enabled);
 
 		hw_flags = hw_flags & hw_enabled;
 
 		if(hw_flags & IRQF_TIMER) {
-			// done by mini already? 
-			/*
-			   if (_alarm_frequency) {
-			// currently we use the alarm timer only for lame usbgecko polling
-			gecko_timer();
-			write32(HW_ALARM, read32(HW_TIMER) + _alarm_frequency);
-			}
-			*/
 			write32(HW_PPCIRQFLAG, IRQF_TIMER);
 		}
 		if(hw_flags & IRQF_NAND) {
@@ -113,14 +114,12 @@ void irq_handler(void)
 			//sdhc_irq();
 		}
 		if (hw_flags & IRQF_OHCI0) {
-			printf("IRQ: OHCI0\n");
+			hcdi_irq(OHCI0_REG_BASE);
 			write32(HW_PPCIRQFLAG, IRQF_OHCI0);
-			//TODO: ohci0_irq();
 		}
 		if (hw_flags & IRQF_OHCI1) {
-			printf("IRQ: OHCI1\n");
+			hcdi_irq(OHCI1_REG_BASE);
 			write32(HW_PPCIRQFLAG, IRQF_OHCI1);
-			//TODO: ohci1_irq();
 		}
 
 		hw_flags &= ~IRQF_ALL;
@@ -128,12 +127,10 @@ void irq_handler(void)
 			printf("IRQ: unknown 0x%08x\n", hw_flags);
 			write32(HW_PPCIRQFLAG, hw_flags);
 		}
+
+		// not necessary here, but "cleaner"?
 		write32(BW_PI_IRQFLAG, 1<<BW_PI_IRQ_HW);
-		u32 flags2 = read32(BW_PI_IRQFLAG);
-		printf("flags2: 0x%08X\n", flags2);
 	}
-
-//	flags &= 
 }
 
 void irq_bw_enable(u32 irq)
@@ -163,5 +160,6 @@ u32 irq_kill() {
 
 void irq_restore(u32 cookie) {
 	_CPU_ISR_Restore(cookie);
+	_CPU_ISR_Enable(); //wtf :/
 }