X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=irq.c;h=c37240c1fa401107ef5717fa021056b0cca0527a;hb=f16286c7c72e5f9a8c5f2db8162a9f2f0a9d9f85;hp=9ab1559505b5a14be4b6619389a1a7db569a9683;hpb=0a6cd808a414dab189b1ffac82df6651dfb4ae34;p=ppcskel.git

diff --git a/irq.c b/irq.c
index 9ab1559..c37240c 100644
--- a/irq.c
+++ b/irq.c
@@ -14,24 +14,31 @@ 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 "ohci.h"
 
 void irq_initialize(void)
 {
-	// enable OHCI0 interrupt on hollywood-pic
+	// clear flipper-pic (processor interface)
+	write32(BW_PI_IRQMASK, 0);
+	write32(BW_PI_IRQFLAG, 0xffffffff);
+
+	// clear hollywood-pic
 	write32(HW_PPCIRQMASK, 0);
 	write32(HW_PPCIRQFLAG, 0xffffffff);
 
-	// enable RESET and PIC (#14) interrupts on processor interface
-	write32(BW_PI_IRQFLAG, 0xffffffff);
-#define BW_PI_IRQ_RESET 	1
-#define BW_PI_IRQ_HW 		14
-	write32(BW_PI_IRQMASK, (1<<BW_PI_IRQ_RESET) | (1<<BW_PI_IRQ_HW));
-
-	//??? -- needed?!
-	write32(HW_PPCIRQMASK+0x04, 0);
-	write32(HW_PPCIRQMASK+0x20, 0);
+	/* ??? -- 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()
 }
@@ -40,102 +47,116 @@ void irq_shutdown(void)
 {
 	write32(HW_PPCIRQMASK, 0);
 	write32(HW_PPCIRQFLAG, 0xffffffff);
-	irq_kill();
+	(void) irq_kill();
 }
 
 void irq_handler(void)
 {
-	u32 enabled = read32(HW_PPCIRQMASK);
-	u32 flags = read32(HW_PPCIRQFLAG);
-	
-	printf("In IRQ handler: 0x%08x 0x%08x 0x%08x\n", enabled, flags, flags & enabled);
+	u32 enabled = read32(BW_PI_IRQMASK);
+	u32 flags = read32(BW_PI_IRQFLAG);
 
 	flags = flags & enabled;
 
-	if(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(flags & IRQF_NAND) {
-//		printf("IRQ: NAND\n");
-		// hmmm... should be done by mini?
-		write32(NAND_CMD, 0x7fffffff); // shut it up
-		write32(HW_PPCIRQFLAG, IRQF_NAND);
-		//nand_irq();
-	}
-	if(flags & IRQF_GPIO1B) {
-//		printf("IRQ: GPIO1B\n");
-		// hmmm... should be done by mini?
-		write32(HW_GPIO1BINTFLAG, 0xFFFFFF); // shut it up
-		write32(HW_PPCIRQFLAG, IRQF_GPIO1B);
-	}
-	if(flags & IRQF_GPIO1) {
-//		printf("IRQ: GPIO1\n");
-		// hmmm... should be done by mini?
-		write32(HW_GPIO1INTFLAG, 0xFFFFFF); // shut it up
-		write32(HW_PPCIRQFLAG, IRQF_GPIO1);
-	}
-	if(flags & IRQF_RESET) {
-//		printf("IRQ: RESET\n");
-		write32(HW_PPCIRQFLAG, IRQF_RESET);
+	if (flags & (1<<BW_PI_IRQ_RESET)) { 
+		write32(BW_PI_IRQFLAG, 1<<BW_PI_IRQ_RESET);
+		printf("IRQ-BW RESET\n");
 	}
-	if(flags & IRQF_IPC) {
-		//printf("IRQ: IPC\n");
-		//not necessary here?
-		//ipc_irq();
-		write32(HW_PPCIRQFLAG, IRQF_IPC);
-	}
-	if(flags & IRQF_AES) {
-//		printf("IRQ: AES\n");
-		write32(HW_PPCIRQFLAG, IRQF_AES);
-	}
-	if (flags & IRQF_SDHC) {
-//		printf("IRQ: SDHC\n");
-		write32(HW_PPCIRQFLAG, IRQF_SDHC);
-		//sdhc_irq();
-	}
-	if (flags & IRQF_OHCI0) {
-		printf("IRQ: OHCI0\n");
-		write32(HW_PPCIRQFLAG, IRQF_OHCI0);
-		//TODO: ohci0_irq();
-	}
-	if (flags & IRQF_OHCI1) {
-		printf("IRQ: OHCI1\n");
-		write32(HW_PPCIRQFLAG, IRQF_OHCI1);
-		//TODO: ohci1_irq();
-	}
-	
-	flags &= ~IRQF_ALL;
-	if(flags) {
-		printf("IRQ: unknown 0x%08x\n", flags);
-		write32(HW_PPCIRQFLAG, flags);
+	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);
+
+		hw_flags = hw_flags & hw_enabled;
+
+		if(hw_flags & IRQF_TIMER) {
+			write32(HW_PPCIRQFLAG, IRQF_TIMER);
+		}
+		if(hw_flags & IRQF_NAND) {
+			//		printf("IRQ: NAND\n");
+			// hmmm... should be done by mini?
+			write32(NAND_CMD, 0x7fffffff); // shut it up
+			write32(HW_PPCIRQFLAG, IRQF_NAND);
+			//nand_irq();
+		}
+		if(hw_flags & IRQF_GPIO1B) {
+			//		printf("IRQ: GPIO1B\n");
+			// hmmm... should be done by mini?
+			write32(HW_GPIO1BINTFLAG, 0xFFFFFF); // shut it up
+			write32(HW_PPCIRQFLAG, IRQF_GPIO1B);
+		}
+		if(hw_flags & IRQF_GPIO1) {
+			//		printf("IRQ: GPIO1\n");
+			// hmmm... should be done by mini?
+			write32(HW_GPIO1INTFLAG, 0xFFFFFF); // shut it up
+			write32(HW_PPCIRQFLAG, IRQF_GPIO1);
+		}
+		if(hw_flags & IRQF_RESET) {
+			//		printf("IRQ: RESET\n");
+			write32(HW_PPCIRQFLAG, IRQF_RESET);
+		}
+		if(hw_flags & IRQF_IPC) {
+			//printf("IRQ: IPC\n");
+			//not necessary here?
+			//ipc_irq();
+			write32(HW_PPCIRQFLAG, IRQF_IPC);
+		}
+		if(hw_flags & IRQF_AES) {
+			//		printf("IRQ: AES\n");
+			write32(HW_PPCIRQFLAG, IRQF_AES);
+		}
+		if (hw_flags & IRQF_SDHC) {
+			//		printf("IRQ: SDHC\n");
+			write32(HW_PPCIRQFLAG, IRQF_SDHC);
+			//sdhc_irq();
+		}
+		if (hw_flags & IRQF_OHCI0) {
+			ohci0_irq();
+			write32(HW_PPCIRQFLAG, IRQF_OHCI0);
+		}
+		if (hw_flags & IRQF_OHCI1) {
+			//TODO: ohci1_irq();
+			write32(HW_PPCIRQFLAG, IRQF_OHCI1);
+		}
+
+		hw_flags &= ~IRQF_ALL;
+		if(hw_flags) {
+			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);
 	}
 }
 
-void irq_enable(u32 irq)
+void irq_bw_enable(u32 irq)
+{
+	set32(BW_PI_IRQMASK, 1<<irq);
+}
+
+void irq_bw_disable(u32 irq) {
+	clear32(BW_PI_IRQMASK, 1<<irq);
+}
+
+void irq_hw_enable(u32 irq)
 {
 	set32(HW_PPCIRQMASK, 1<<irq);
 }
 
-void irq_disable(u32 irq)
+void irq_hw_disable(u32 irq)
 {
 	clear32(HW_PPCIRQMASK, 1<<irq);
 }
 
-inline u32 irq_kill() {
+u32 irq_kill() {
 	u32 cookie;
 	_CPU_ISR_Disable(cookie);
 	return cookie;
 }
 
-inline void irq_restore(u32 cookie) {
+void irq_restore(u32 cookie) {
 	_CPU_ISR_Restore(cookie);
+	_CPU_ISR_Enable(); //wtf :/
 }