networking works (sort of). For some reason, the Firebee packets don't cross my switch (or only very few of them do). If I put a Linux box in between (cross cable), using it as router, everything works flawlessly.

sys/BaS.c

@@ -49,7 +49,7 @@
 #include "interrupts.h"
 #include "exceptions.h"
 
-#define BAS_DEBUG
+//#define BAS_DEBUG
 #if defined(BAS_DEBUG)
 #define dbg(format, arg...) do { xprintf("DEBUG: " format "\r\n", ##arg); } while (0)
 #else
@@ -251,7 +251,7 @@ static ARP_INFO	arp_info;
 
 void network_init(void)
 {
-	uint8_t mac[6] = {0x00, 0x04, 0x9f, 0x01, 0x01, 0x01}; /* this is a Freescale MAC address */
+	uint8_t mac[6] = {0x00, 0xcf, 0x54, 0x12, 0x34, 0x56};
 	uint8_t bc[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; /* this is our broadcast MAC address */
 	IP_ADDR myip = {192, 168, 1, 100};
 	IP_ADDR gateway = {192, 168, 1, 1};

sys/driver_mem.c

@@ -24,9 +24,9 @@
 #include "m5484l.h"
 #endif
 
-#define DRIVER_MEM_DEBUG
+//#define DBG_DM
 
-#ifdef	DRIVER_MEM_DEBUG
+#ifdef	DBG_DM
 #define	dbg(fmt, args...)	xprintf(fmt, ##args)
 #else
 #define dbg(fmt, args...)

sys/exceptions.S

@@ -332,7 +332,7 @@ std_exc_vec:
 		move.w	8(sp),d0			// fetch vector
 		and.l	#0x3fc,d0			// mask out vector number
 
-
+#ifdef DBG_EXC
 		// printout vector number of exception
 
 		lea		-4 * 4(sp),sp		// reserve stack space
@@ -356,7 +356,8 @@ noprint:
 		
 		movem.l	(sp),d0-d1/a0-a1	// restore registers
 		lea		4 * 4(sp),sp
-		
+#endif /* DBG_EXC */
+
 		add.l	_rt_vbr,d0			// + VBR
 		move.l	d0,a5				
 		move.l	(a5),d0				// fetch exception routine address

sys/init_fpga.c

@@ -85,19 +85,11 @@ void test_byte(void)
 void init_fpga(void)
 {
 	uint8_t *fpga_data;
+	volatile int32_t time, start, end;
 	int i;
 
-	/*
-	xprintf("MCF_FBCS0_CSAR: %08x\r\n", MCF_FBCS0_CSAR);
-	xprintf("MCF_FBCS0_CSCR: %08x\r\n", MCF_FBCS0_CSCR);
-	xprintf("MCF_FBCS0_CSMR: %08x\r\n", MCF_FBCS0_CSMR);
-	*/
-
 	xprintf("FPGA load config... ");
-
-	//test_longword();
-	//test_word();
-	//test_byte();
+	start = MCF_SLT0_SCNT; 
 
 	MCF_GPIO_PODR_FEC1L &= ~FPGA_CLOCK;		/* FPGA clock => low */
 
@@ -157,13 +149,18 @@ void init_fpga(void)
 
 	if (fpga_data < fpga_flash_data_end)
 	{
+#ifdef _NOT_USED_
 		while (fpga_data++ < fpga_flash_data_end)
 		{
 			/* toggle a little more since it's fun ;) */
 			MCF_GPIO_PODR_FEC1L |= FPGA_CLOCK;
 			MCF_GPIO_PODR_FEC1L &= ~FPGA_CLOCK;
 		}
-		xprintf("finished\r\n");
+#endif /* _NOT_USED_ */
+		end = MCF_SLT0_SCNT;
+		time = (start - end) / (SYSCLK / 1000) / 1000;
+		
+		xprintf("finished (took %f seconds).\r\n", time / 1000.0);
 	}
 	else
 	{

sys/interrupts.c

@@ -211,7 +211,8 @@ bool isr_execute_handler(int vector)
 				(isrtab[index].type == ISR_DBUG_ISR))
 		{
 			retval = true;
-			if (isrtab[index].handler(isrtab[index].hdev,isrtab[index].harg))
+		
+			if (isrtab[index].handler(isrtab[index].hdev, isrtab[index].harg))
 			{
 				return retval;
 			}

sys/mmu.c

@@ -60,11 +60,11 @@
 #error "unknown machine!"
 #endif /* MACHINE_FIREBEE */
 
-#define DEBUG_MMU
+//#define DEBUG_MMU
 #ifdef DEBUG_MMU
-#define dbg_mmu(format, arg...) do { xprintf("DEBUG: " format, ##arg);} while(0)
+#define dbg(format, arg...) do { xprintf("DEBUG: " format, ##arg);} while(0)
 #else
-#define dbg_mmu(format, arg...) do {;} while (0)
+#define dbg(format, arg...) do {;} while (0)
 #endif /* DEBUG_MMU */
 
 /*
@@ -385,7 +385,7 @@ void mmu_init(void)
 					MCF_MMU_MMUDR_SP |		/* supervisor protect */
 					MCF_MMU_MMUDR_R |		/* read access enable */
 					MCF_MMU_MMUDR_W |		/* write access enable */
-					MCF_MMU_MMUDR_X |		/* execute access enable */
+					//MCF_MMU_MMUDR_X |		/* execute access enable */
 					MCF_MMU_MMUDR_LK;		/* lock entry */
 	MCF_MMU_MMUOR = MCF_MMU_MMUOR_ACC |		/* access TLB, data */
 					MCF_MMU_MMUOR_UAA;		/* update allocation address field */
@@ -396,7 +396,7 @@ void mmu_init(void)
 
 void mmutr_miss(uint32_t address)
 {
-	dbg_mmu("MMU TLB MISS at 0x%08x\r\n", address);
+	dbg("MMU TLB MISS at 0x%08x\r\n", address);
 	flush_and_invalidate_caches();
 
 	switch (address)
@@ -404,13 +404,13 @@ void mmutr_miss(uint32_t address)
 		case keyctl:
 		case keybd:
 			/* do something to emulate the IKBD access */
-			dbg_mmu("IKBD access\r\n");
+			dbg("IKBD access\r\n");
 			break;
 
 		case midictl:
 		case midi:
 			/* do something to emulate MIDI access */
-			dbg_mmu("MIDI ACIA access\r\n");
+			dbg("MIDI ACIA access\r\n");
 			break;
 
 		default:

sys/sysinit.c

@@ -284,7 +284,7 @@ void init_serial(void)
 /********************************************************************/
 /* Initialize DDR DIMMs on the EVB board */
 /********************************************************************/
-void init_ddram(void)
+bool init_ddram(void)
 {
 	xprintf("SDRAM controller initialization: ");
 
@@ -396,11 +396,14 @@ void init_ddram(void)
 #endif /* MACHINE_FIREBEE */
 
 		xprintf("finished\r\n");
+
+		return true;
 	}
 	else
 	{
 		xprintf("skipped. Already initialized (running from RAM)\r\n");
 	}
+	return false;
 }
 
 /*
@@ -936,6 +939,8 @@ void clear_bss_segment(void)
 
 void initialize_hardware(void)
 {
+	bool coldboot = true;
+
 	/* Test for FireTOS switch: DIP switch #5 up */
 #ifdef MACHINE_FIREBEE
 	if (!(DIP_SWITCH & (1 << 6))) {
@@ -960,7 +965,7 @@ void initialize_hardware(void)
 
 		/* Jump into FireTOS */
 		typedef void void_func(void);
-		void_func* FireTOS = (void_func*)FIRETOS;
+		void_func* FireTOS = (void_func*) FIRETOS;
 		FireTOS(); 	// Should never return
 		return;
 	}
@@ -1051,7 +1056,7 @@ void initialize_hardware(void)
 
 	init_slt();
 	init_fbcs();
-	init_ddram();
+	coldboot = init_ddram();
 
 	/*
 	 * install (preliminary) exception vectors
@@ -1096,11 +1101,15 @@ void initialize_hardware(void)
 	}
 
 #if MACHINE_FIREBEE
+	if (coldboot) /* does not work with BDM */
+		;
 	init_fpga();
+
 	init_pll();
 	init_video_ddr();
 	dvi_on();
 
+#ifdef _NOT_USED_ 
 	/* experimental */
 	{
 		int i;
@@ -1120,6 +1129,7 @@ void initialize_hardware(void)
 			}
 		}
 	}
+#endif /* _NOT_USED_ */
 
 #endif /* MACHINE_FIREBEE */
 	driver_mem_init();