Convert more boards to use mptable_write_buses.

Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6106 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

14 files changed, 27 insertions, 148 deletions

diff --git a/src/mainboard/msi/ms7135/get_bus_conf.c b/src/mainboard/msi/ms7135/get_bus_conf.c
index 6ccd97587d..cfcce2fa8b 100644
--- a/src/mainboard/msi/ms7135/get_bus_conf.c
+++ b/src/mainboard/msi/ms7135/get_bus_conf.c
@@ -38,7 +38,6 @@
  * mptable and acpi_tables.
  */
 /* busnum is default */
-unsigned char bus_isa;
 unsigned char bus_ck804[6];
 unsigned apicid_ck804;
 
@@ -49,9 +48,6 @@ unsigned pci1234x[] = {		//Here you only need to set value in pci1234 for HT-IO
 unsigned hcdnx[] = {		//HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most
 	0x20202020,		//ms7135 has only one ht-chain
 };
-unsigned bus_type[256];
-
-
 
 static unsigned get_bus_conf_done = 0;
 
@@ -61,7 +57,7 @@ void get_bus_conf(void)
 
 	device_t dev;
 	unsigned sbdn;
-	int i, j;
+	int i;
 
 	if (get_bus_conf_done == 1)
 		return;		//do it only once
@@ -84,16 +80,8 @@ void get_bus_conf(void)
 		bus_ck804[i] = 0;
 	}
 
-	for (i = 0; i < 256; i++) {
-		bus_type[i] = 0;
-	}
-
-	bus_type[0] = 1;	//pci
-
 	bus_ck804[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
-	bus_type[bus_ck804[0]] = 1;
-
 	/* CK804 */
 	int dn = -1;
 	for (i = 1; i < 4; i++) {
@@ -106,15 +94,6 @@ void get_bus_conf(void)
 		dev = dev_find_slot(bus_ck804[0], PCI_DEVFN(sbdn + dn, 0));
 		if (dev) {
 			bus_ck804[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-			bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-			bus_isa++;
-			for (j = bus_ck804[i]; j < bus_isa; j++)
-				bus_type[j] = 1;
-		} else {
-			printk
-			    (BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n",
-			     bus_ck804[0], sbdn + dn);
-			bus_isa = bus_ck804[i - 1] + 1;
 		}
 	}
 
diff --git a/src/mainboard/msi/ms7135/irq_tables.c b/src/mainboard/msi/ms7135/irq_tables.c
index e4a717ba72..81cc53c130 100644
--- a/src/mainboard/msi/ms7135/irq_tables.c
+++ b/src/mainboard/msi/ms7135/irq_tables.c
@@ -35,7 +35,6 @@
 #include <arch/pirq_routing.h>
 #include <cpu/amd/amdk8_sysconf.h>
 
-extern unsigned char bus_isa;
 extern unsigned char bus_ck804[6];
 
 
diff --git a/src/mainboard/msi/ms7260/get_bus_conf.c b/src/mainboard/msi/ms7260/get_bus_conf.c
index 6f4e198785..fadc3fe703 100644
--- a/src/mainboard/msi/ms7260/get_bus_conf.c
+++ b/src/mainboard/msi/ms7260/get_bus_conf.c
@@ -32,7 +32,6 @@
 
 /* Global variables for MB layouts (shared by irqtable/mptable/acpi_table). */
 // busnum is default.
-unsigned char bus_isa;
 unsigned char bus_mcp55[8];	// 1
 unsigned apicid_mcp55;
 
@@ -65,17 +64,13 @@ unsigned hcdnx[] = {
 //      0x20202020,
 };
 
-unsigned bus_type[256];
-
-
-
 static unsigned get_bus_conf_done = 0;
 
 void get_bus_conf(void)
 {
 	unsigned int apicid_base, sbdn;
 	device_t dev;
-	int i, j;
+	int i;
 
 	if (get_bus_conf_done == 1)
 		return;		/* Do it only once. */
@@ -96,23 +91,14 @@ void get_bus_conf(void)
 	for (i = 0; i < 8; i++)
 		bus_mcp55[i] = 0;
 
-	for (i = 0; i < 256; i++)
-		bus_type[i] = 0;
-
-	bus_type[0] = 1;	/* PCI */
-
 	bus_mcp55[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
-	bus_type[bus_mcp55[0]] = 1;
-
 	/* MCP55 */
 	dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn + 0x06, 0));
 	if (dev) {
 		bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
 		bus_mcp55[2] = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 		bus_mcp55[2]++;
-		for (j = bus_mcp55[1]; j < bus_mcp55[2]; j++)
-			bus_type[j] = 1;
 	} else {
 		printk
 		    (BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n",
@@ -127,15 +113,6 @@ void get_bus_conf(void)
 				    PCI_DEVFN(sbdn + 0x0a + i - 2, 0));
 		if (dev) {
 			bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-			bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-			bus_isa++;
-			for (j = bus_mcp55[i]; j < bus_isa; j++)
-				bus_type[j] = 1;
-		} else {
-			printk
-			    (BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n",
-			     bus_mcp55[0], sbdn + 0x0a + i - 2);
-			bus_isa = bus_mcp55[i - 1] + 1;
 		}
 	}
 
diff --git a/src/mainboard/msi/ms7260/irq_tables.c b/src/mainboard/msi/ms7260/irq_tables.c
index 345b0fac29..df471267be 100644
--- a/src/mainboard/msi/ms7260/irq_tables.c
+++ b/src/mainboard/msi/ms7260/irq_tables.c
@@ -46,11 +46,8 @@ static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus,
 	pirq_info->rfu = rfu;
 }
 
-extern unsigned char bus_isa;
 extern unsigned char bus_mcp55[8];	// 1
 
-
-
 unsigned long write_pirq_routing_table(unsigned long addr)
 {
 	struct irq_routing_table *pirq;
diff --git a/src/mainboard/msi/ms7260/mptable.c b/src/mainboard/msi/ms7260/mptable.c
index 5184985ba4..2e365b332d 100644
--- a/src/mainboard/msi/ms7260/mptable.c
+++ b/src/mainboard/msi/ms7260/mptable.c
@@ -26,16 +26,14 @@
 #include <stdint.h>
 #include <cpu/amd/amdk8_sysconf.h>
 
-extern unsigned char bus_isa;
 extern unsigned char bus_mcp55[8];	// 1
 extern unsigned apicid_mcp55;
-extern unsigned bus_type[256];
 
 static void *smp_write_config_table(void *v)
 {
 	struct mp_config_table *mc;
 	unsigned int sbdn;
-	int i, j;
+	int i, j, bus_isa;
 
 	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -46,13 +44,7 @@ static void *smp_write_config_table(void *v)
 	get_bus_conf();
 	sbdn = sysconf.sbdn;
 
-	/* Bus:	Bus ID	Type */
-	/* Define bus and ISA numbers. */
-	for (j = 0; j < 256; j++) {
-		if (bus_type[j])
-			smp_write_bus(mc, j, "PCI   ");
-	}
-	smp_write_bus(mc, bus_isa, "ISA   ");
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 	/* I/O APICs: APIC ID	Version	State		Address */
 	{
diff --git a/src/mainboard/msi/ms9185/get_bus_conf.c b/src/mainboard/msi/ms9185/get_bus_conf.c
index a94acdeb19..0e97de6ed4 100644
--- a/src/mainboard/msi/ms9185/get_bus_conf.c
+++ b/src/mainboard/msi/ms9185/get_bus_conf.c
@@ -105,11 +105,6 @@ void get_bus_conf(void)
                dev = dev_find_slot(m->bus_bcm5785_1, PCI_DEVFN(0xd,0));
                if(dev) {
                        m->bus_bcm5785_1_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-#if CONFIG_HT_CHAIN_END_UNITID_BASE >= CONFIG_HT_CHAIN_UNITID_BASE
-                       m->bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                       m->bus_isa++;
-                       printk(BIOS_DEBUG, "bus_isa=%d\n",m->bus_isa);
-#endif
                }
         }
        else {
@@ -121,12 +116,6 @@ void get_bus_conf(void)
                dev = dev_find_slot(m->bus_bcm5780[0], PCI_DEVFN(m->sbdn2 + i - 1,0));
                if(dev) {
                        m->bus_bcm5780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-#if CONFIG_HT_CHAIN_END_UNITID_BASE < CONFIG_HT_CHAIN_UNITID_BASE
-                        m->bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                        m->bus_isa++;
-                      printk(BIOS_DEBUG, "bus_isa=%d\n",m->bus_isa);
-#endif
-
                }
                else {
                        printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_bcm5780[0], m->sbdn2+i-1);
diff --git a/src/mainboard/msi/ms9185/mb_sysconf.h b/src/mainboard/msi/ms9185/mb_sysconf.h
index 401bcd704f..88db3855fc 100644
--- a/src/mainboard/msi/ms9185/mb_sysconf.h
+++ b/src/mainboard/msi/ms9185/mb_sysconf.h
@@ -25,7 +25,6 @@
 #define MB_SYSCONF_H
 
 struct mb_sysconf_t {
-       unsigned char bus_isa;
        unsigned char bus_bcm5780[7];
        unsigned char bus_bcm5785_0;
        unsigned char bus_bcm5785_1;
diff --git a/src/mainboard/msi/ms9185/mptable.c b/src/mainboard/msi/ms9185/mptable.c
index bd45184618..c43816b292 100644
--- a/src/mainboard/msi/ms9185/mptable.c
+++ b/src/mainboard/msi/ms9185/mptable.c
@@ -40,9 +40,8 @@ static void *smp_write_config_table(void *v)
 {
         struct mp_config_table *mc;
 
-        unsigned char bus_num;
-       int i;
-       struct mb_sysconf_t *m;
+	int i, bus_isa;
+	struct mb_sysconf_t *m;
 
         mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -50,15 +49,10 @@ static void *smp_write_config_table(void *v)
 
         smp_write_processors(mc);
 
-       get_bus_conf();
-       m = sysconf.mb;
+	get_bus_conf();
+	m = sysconf.mb;
 
-/*Bus:         Bus ID  Type*/
-       /* define bus and isa numbers */
-        for(bus_num = 0; bus_num < m->bus_isa; bus_num++) {
-                smp_write_bus(mc, bus_num, "PCI   ");
-        }
-        smp_write_bus(mc, m->bus_isa, "ISA   ");
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:   APIC ID Version State           Address*/
         {
@@ -76,7 +70,7 @@ static void *smp_write_config_table(void *v)
 
        }
 
-	mptable_add_isa_interrupts(mc, m->bus_isa, m->apicid_bcm5785[0], 0);
+	mptable_add_isa_interrupts(mc, bus_isa, m->apicid_bcm5785[0], 0);
 
 //IDE
        outb(0x02, 0xc00); outb(0x0e, 0xc01);
@@ -152,8 +146,8 @@ static void *smp_write_config_table(void *v)
         }
 
 /*Local Ints:  Type    Polarity    Trigger     Bus ID   IRQ    APIC ID PIN#*/
-       smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, m->bus_isa, 0x0, MP_APIC_ALL, 0x0);
-       smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, m->bus_isa, 0x0, MP_APIC_ALL, 0x1);
+       smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x0);
+       smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x1);
        /* There is no extension information... */
 
        /* Compute the checksums */
diff --git a/src/mainboard/msi/ms9282/get_bus_conf.c b/src/mainboard/msi/ms9282/get_bus_conf.c
index 5b4ee487c1..833b29b711 100644
--- a/src/mainboard/msi/ms9282/get_bus_conf.c
+++ b/src/mainboard/msi/ms9282/get_bus_conf.c
@@ -75,7 +75,7 @@ void get_bus_conf(void)
        struct mb_sysconf_t *m;
 
         device_t dev;
-        int i, j;
+        int i;
 
         if(get_bus_conf_done==1) return; //do it only once
 
@@ -96,8 +96,6 @@ void get_bus_conf(void)
 
        sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
 
-       m->bus_type[0] = 1; //pci
-
        m->bus_mcp55[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
                 /* MCP55 */
@@ -119,20 +117,6 @@ void get_bus_conf(void)
                        }
                }
 
-       for(i=0; i< sysconf.hc_possible_num; i++) {
-               if(!(sysconf.pci1234[i] & 0x1) ) continue;
-
-                unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
-                unsigned busn_max = (sysconf.pci1234[i] >> 24) & 0xff;
-               for (j = busn; j <= busn_max; j++)
-                       m->bus_type[j] = 1;
-               if(m->bus_isa <= busn_max)
-                       m->bus_isa = busn_max + 1;
-               printk(BIOS_DEBUG, "i=%d bus range: [%x, %x] bus_isa=%x\n",i, busn, busn_max, m->bus_isa);
-       }
-
-
-
 /*I/O APICs:   APIC ID Version State           Address*/
 #if CONFIG_LOGICAL_CPUS==1
        apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/msi/ms9282/mb_sysconf.h b/src/mainboard/msi/ms9282/mb_sysconf.h
index 71770203ec..6d0ee75d3e 100644
--- a/src/mainboard/msi/ms9282/mb_sysconf.h
+++ b/src/mainboard/msi/ms9282/mb_sysconf.h
@@ -26,11 +26,8 @@
 #define MB_SYSCONF_H
 
 struct mb_sysconf_t {
-        unsigned char bus_isa;
         unsigned char bus_mcp55[8]; //1
         unsigned apicid_mcp55;
-       unsigned bus_type[256];
-
 };
 
 #endif
diff --git a/src/mainboard/msi/ms9282/mptable.c b/src/mainboard/msi/ms9282/mptable.c
index d800932e7f..391101276f 100644
--- a/src/mainboard/msi/ms9282/mptable.c
+++ b/src/mainboard/msi/ms9282/mptable.c
@@ -36,7 +36,7 @@ static void *smp_write_config_table(void *v)
 	struct mb_sysconf_t *m;
 	unsigned sbdn;
 
-	int i,j;
+	int i, j, bus_isa;
 
         mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -44,17 +44,11 @@ static void *smp_write_config_table(void *v)
 
         smp_write_processors(mc);
 
-       get_bus_conf();
-       sbdn = sysconf.sbdn;
-       m = sysconf.mb;
+	get_bus_conf();
+	sbdn = sysconf.sbdn;
+	m = sysconf.mb;
 
-/*Bus:         Bus ID  Type*/
-       /* define bus and isa numbers */
-        for(j= 0; j < 256 ; j++) {
-               if(m->bus_type[j])
-                        smp_write_bus(mc, j, "PCI   ");
-        }
-        smp_write_bus(mc, m->bus_isa, "ISA   ");
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:   APIC ID Version State           Address*/
         {
@@ -83,7 +77,7 @@ static void *smp_write_config_table(void *v)
 
        }
 
-	mptable_add_isa_interrupts(mc, m->bus_isa, m->apicid_mcp55, 0);
+	mptable_add_isa_interrupts(mc, bus_isa, m->apicid_mcp55, 0);
 
 //SMBUS
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_mcp55[0], ((sbdn+1)<<2)|1, m->apicid_mcp55, 0xa);
@@ -121,8 +115,8 @@ static void *smp_write_config_table(void *v)
                }
 
 /*Local Ints:  Type    Polarity    Trigger     Bus ID   IRQ    APIC ID PIN#*/
-       smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, m->bus_isa, 0x0, MP_APIC_ALL, 0x0);
-       smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, m->bus_isa, 0x0, MP_APIC_ALL, 0x1);
+       smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x0);
+       smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x1);
        /* There is no extension information... */
 
        /* Compute the checksums */
diff --git a/src/mainboard/msi/ms9652_fam10/get_bus_conf.c b/src/mainboard/msi/ms9652_fam10/get_bus_conf.c
index c5f9083392..746abc88b2 100644
--- a/src/mainboard/msi/ms9652_fam10/get_bus_conf.c
+++ b/src/mainboard/msi/ms9652_fam10/get_bus_conf.c
@@ -72,7 +72,7 @@ void get_bus_conf(void)
 	struct mb_sysconf_t *m;
 
 	device_t dev;
-	int i, j;
+	int i;
 
 	printk(BIOS_SPEW, "get_bus_conf()\n");
 
@@ -93,7 +93,6 @@ void get_bus_conf(void)
 
 	get_pci1234();
 
-	m->bus_type[0] = 1; //pci
 	sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
 	m->bus_mcp55[0] = (sysconf.pci1234[0] >> 12) & 0xff;
 
@@ -116,18 +115,6 @@ void get_bus_conf(void)
 			}
 		}
 
-	for(i=0; i< sysconf.hc_possible_num; i++) {
-		if(!(sysconf.pci1234[i] & 0x1) ) continue;
-
-		unsigned busn = (sysconf.pci1234[i] >> 12) & 0xff;
-		unsigned busn_max = (sysconf.pci1234[i] >> 20) & 0xff;
-		for (j = busn; j <= busn_max; j++)
-			m->bus_type[j] = 1;
-		if(m->bus_isa <= busn_max)
-			m->bus_isa = busn_max + 1;
-		printk(BIOS_DEBUG, "i=%d bus range: [%x, %x] bus_isa=%x\n",i, busn, busn_max, m->bus_isa);
-	}
-
 /*I/O APICs:	APIC ID	Version	State		Address*/
 #if CONFIG_LOGICAL_CPUS==1
 	apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/msi/ms9652_fam10/mb_sysconf.h b/src/mainboard/msi/ms9652_fam10/mb_sysconf.h
index a2e6fc7ade..d27ee3f69e 100644
--- a/src/mainboard/msi/ms9652_fam10/mb_sysconf.h
+++ b/src/mainboard/msi/ms9652_fam10/mb_sysconf.h
@@ -23,11 +23,8 @@
 #define MB_SYSCONF_H
 
 struct mb_sysconf_t {
-	unsigned char bus_isa;
 	unsigned char bus_mcp55[8]; //1
 	unsigned apicid_mcp55;
-	unsigned bus_type[256];
-
 };
 
 #endif
diff --git a/src/mainboard/msi/ms9652_fam10/mptable.c b/src/mainboard/msi/ms9652_fam10/mptable.c
index bb64bc10bd..370c6dbc56 100644
--- a/src/mainboard/msi/ms9652_fam10/mptable.c
+++ b/src/mainboard/msi/ms9652_fam10/mptable.c
@@ -33,7 +33,7 @@ static void *smp_write_config_table(void *v)
 	struct mb_sysconf_t *m;
 	unsigned sbdn;
 
-	int i,j;
+	int i, j, bus_isa;
 
 	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -45,13 +45,7 @@ static void *smp_write_config_table(void *v)
 	sbdn = sysconf.sbdn;
 	m = sysconf.mb;
 
-/*Bus:		Bus ID	Type*/
-	/* define bus and isa numbers */
-	for(j= 0; j < 256 ; j++) {
-		if(m->bus_type[j])
-			 smp_write_bus(mc, j, "PCI   ");
-	}
-	smp_write_bus(mc, m->bus_isa, "ISA   ");
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:	APIC ID	Version	State		Address*/
 	{
@@ -80,7 +74,7 @@ static void *smp_write_config_table(void *v)
 
 	}
 
-	mptable_add_isa_interrupts(mc, m->bus_isa, m->apicid_mcp55, 0);
+	mptable_add_isa_interrupts(mc, bus_isa, m->apicid_mcp55, 0);
 
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_mcp55[0], ((sbdn+1)<<2)|1, m->apicid_mcp55, 0xa);
 
@@ -110,8 +104,8 @@ static void *smp_write_config_table(void *v)
 		}
 
 /*Local Ints:	Type	Polarity    Trigger	Bus ID	 IRQ	APIC ID	PIN#*/
-	smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, m->bus_isa, 0x0, MP_APIC_ALL, 0x0);
-	smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, m->bus_isa, 0x0, MP_APIC_ALL, 0x1);
+	smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x0);
+	smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x1);
 	/* There is no extension information... */
 
 	/* Compute the checksums */