Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-61

Creator:  Yinghai Lu <yhlu@tyan.com>

write_pirq_routing_table for x86


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1979 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 291 insertions, 29 deletions

diff --git a/src/mainboard/tyan/s2882/irq_tables.c b/src/mainboard/tyan/s2882/irq_tables.c
index 059f7210a9..cdff230a2f 100644
--- a/src/mainboard/tyan/s2882/irq_tables.c
+++ b/src/mainboard/tyan/s2882/irq_tables.c
@@ -4,36 +4,298 @@
 
    Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
 */
-
+#include <console/console.h>
+#include <device/pci.h>
+#include <string.h>
+#include <stdint.h>
 #include <arch/pirq_routing.h>
 
 const struct irq_routing_table intel_irq_routing_table = {
-	PIRQ_SIGNATURE, /* u32 signature */
-	PIRQ_VERSION,   /* u16 version   */
-	32+16*15,        /* there can be total 15 devices on the bus */
-	1,           /* Where the interrupt router lies (bus) */
-	(4<<3)|3,           /* Where the interrupt router lies (dev) */
-	0,         /* IRQs devoted exclusively to PCI usage */
-	0x1022,         /* Vendor */
-	0x746b,         /* Device */
-	0,         /* Crap (miniport) */
-	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
-	0xff,         /*  u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
-	{
-		{1,(4<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0, 0},
-		{0x4,0, {{0, 0}, {0, 0}, {0, 0}, {0x4, 0xdef8}}, 0, 0},
-		{0x4,(6<<3)|0, {{0x3, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
-		{0x3,(3<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x1, 0},
-		{0x3,(1<<3)|0, {{0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}}, 0x2, 0},
-		{0x2,(3<<3)|0, {{0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}}, 0x3, 0},
-		{0x2,(2<<3)|0, {{0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}}, 0x4, 0},
-		{0x4,(4<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x5, 0},
-		{0x4,(5<<3)|0, {{0x4, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
-		{0x4,(8<<3)|0, {{0x3, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
-		{0x2,(6<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}, {0, 0}}, 0, 0},
-		{0x2,(5<<3)|0, {{0x3, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}}, 0, 0},
-		{0x2,(9<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}, {0, 0}}, 0, 0}, 
-		{0x3,(4<<3)|0, {{0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}}, 0x6, 0}, 
-		{0x3,(5<<3)|0, {{0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}}, 0x7, 0},
-	}
+        PIRQ_SIGNATURE, /* u32 signature */
+        PIRQ_VERSION,   /* u16 version   */
+        32+16*15,        /* there can be total 15 devices on the bus */
+        1,           /* Where the interrupt router lies (bus) */
+        (4<<3)|3,           /* Where the interrupt router lies (dev) */
+        0,         /* IRQs devoted exclusively to PCI usage */
+        0x1022,         /* Vendor */
+        0x746b,         /* Device */
+        0,         /* Crap (miniport) */
+        { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+        0xff,         /*  u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structu
+re (including checksum) */
+        {
+                {1,(4<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0, 0},
+                {0x4,0, {{0, 0}, {0, 0}, {0, 0}, {0x4, 0xdef8}}, 0, 0},
+                {0x4,(6<<3)|0, {{0x3, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
+                {0x3,(3<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x1, 0},
+                {0x3,(1<<3)|0, {{0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}}, 0x2, 0},
+                {0x2,(3<<3)|0, {{0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}}, 0x3, 0},
+                {0x2,(2<<3)|0, {{0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}}, 0x4, 0},
+                {0x4,(4<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x5, 0},
+                {0x4,(5<<3)|0, {{0x4, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
+                {0x4,(8<<3)|0, {{0x3, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
+                {0x2,(6<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}, {0, 0}}, 0, 0},
+                {0x2,(5<<3)|0, {{0x3, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}}, 0, 0},
+                {0x2,(9<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}, {0, 0}}, 0, 0},
+                {0x3,(4<<3)|0, {{0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}}, 0x6, 0},
+                {0x3,(5<<3)|0, {{0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}}, 0x7, 0},
+        }
 };
+
+static unsigned node_link_to_bus(unsigned node, unsigned link)
+{
+        device_t dev;
+        unsigned reg;
+
+        dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
+        if (!dev) {
+                return 0;
+        }
+        for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
+                uint32_t config_map;
+                unsigned dst_node;
+                unsigned dst_link;
+                unsigned bus_base;
+                config_map = pci_read_config32(dev, reg);
+                if ((config_map & 3) != 3) {
+                        continue;
+                }
+                dst_node = (config_map >> 4) & 7;
+                dst_link = (config_map >> 8) & 3;
+                bus_base = (config_map >> 16) & 0xff;
+#if 0                           
+                printk_debug("node.link=bus: %d.%d=%d 0x%2x->0x%08x\n",
+                        dst_node, dst_link, bus_base,
+                        reg, config_map);
+#endif
+                if ((dst_node == node) && (dst_link == link))
+                {
+                        return bus_base;
+                }
+        }
+        return 0;
+}
+
+static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t devfn, uint8_t link0, uint16_t bitmap0, 
+		uint8_t link1, uint16_t bitmap1, uint8_t link2, uint16_t bitmap2,uint8_t link3, uint16_t bitmap3,
+		uint8_t slot, uint8_t rfu)
+{
+        pirq_info->bus = bus; 
+        pirq_info->devfn = devfn;
+                pirq_info->irq[0].link = link0;
+                pirq_info->irq[0].bitmap = bitmap0;
+                pirq_info->irq[1].link = link1;
+                pirq_info->irq[1].bitmap = bitmap1;
+                pirq_info->irq[2].link = link2;
+                pirq_info->irq[2].bitmap = bitmap2;
+                pirq_info->irq[3].link = link3;
+                pirq_info->irq[3].bitmap = bitmap3;
+        pirq_info->slot = slot;
+        pirq_info->rfu = rfu;
+}
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+
+	struct irq_routing_table *pirq;
+	struct irq_info *pirq_info;
+	unsigned slot_num;
+	uint8_t *v;
+
+        uint8_t sum=0;
+        int i;
+
+        unsigned char bus_chain_0;
+        unsigned char bus_8131_1;
+        unsigned char bus_8131_2;
+        unsigned char bus_8111_1;
+        {
+                device_t dev;
+
+                /* HT chain 0 */
+                bus_chain_0 = node_link_to_bus(0, 0);
+                if (bus_chain_0 == 0) {
+                        printk_debug("ERROR - cound not find bus for node 0 chain 0, using defaults\n");
+                        bus_chain_0 = 1;
+                }
+
+                /* 8111 */
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x03,0));
+                if (dev) {
+                        bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:03.0, using defaults\n");
+
+                        bus_8111_1 = 4;
+                }
+                /* 8131-1 */
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0));
+                if (dev) {
+                        bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:01.0, using defaults\n");
+
+                        bus_8131_1 = 2;
+                }
+                /* 8131-2 */
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,0));
+                if (dev) {
+                        bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:02.0, using defaults\n");
+
+                        bus_8131_2 = 3;
+                }
+        }
+
+        /* Align the table to be 16 byte aligned. */
+        addr += 15;
+        addr &= ~15;
+
+        /* This table must be betweeen 0xf0000 & 0x100000 */
+        printk_info("Writing IRQ routing tables to 0x%x...", addr);
+
+	pirq = (void *)(addr);
+	v = (uint8_t *)(addr);
+	
+	pirq->signature = PIRQ_SIGNATURE;
+	pirq->version  = PIRQ_VERSION;
+	
+	pirq->rtr_bus = bus_chain_0;
+	pirq->rtr_devfn = (4<<3)|3;
+
+	pirq->exclusive_irqs = 0;
+	
+	pirq->rtr_vendor = 0x1022;
+	pirq->rtr_device = 0x746b;
+
+	pirq->miniport_data = 0;
+
+	memset(pirq->rfu, 0, sizeof(pirq->rfu));
+
+	pirq_info = (void *) ( &pirq->checksum + 1);
+	slot_num = 0;
+
+        {
+                device_t dev;
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x04,3));
+                if (dev) {
+                        /* initialize PCI interupts - these assignments depend
+                        on the PCB routing of PINTA-D 
+
+                        PINTA = IRQ5
+                        PINTB = IRQ9
+                        PINTC = IRQ11
+                        PINTD = IRQ10
+                        */
+                        pci_write_config16(dev, 0x56, 0xab95);
+                }
+        }
+
+        printk_info("setting Onboard AMD Southbridge \n");
+        static const unsigned char slotIrqs_1_4[4] = { 5, 9, 11, 10 };
+        pci_assign_irqs(bus_chain_0, 4, slotIrqs_1_4);
+        write_pirq_info(pirq_info, bus_chain_0,(4<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
+	pirq_info++; slot_num++;
+	
+        printk_info("setting Onboard AMD USB \n");
+        static const unsigned char slotIrqs_8111_1_0[4] = { 0, 0, 0, 10 };
+        pci_assign_irqs(bus_8111_1, 0, slotIrqs_8111_1_0);
+        write_pirq_info(pirq_info, bus_8111_1,0, 0, 0, 0, 0, 0, 0, 0x4, 0xdef8, 0, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Onboard ATI Display Adapter\n");
+        static const unsigned char slotIrqs_8111_1_6[4] = { 11, 0, 0, 0 };
+        pci_assign_irqs(bus_8111_1, 6, slotIrqs_8111_1_6);
+        write_pirq_info(pirq_info, bus_8111_1,(6<<3)|0, 0x3, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Slot 1\n");
+        static const unsigned char slotIrqs_8131_2_3[4] = { 5, 9, 11, 10 };
+        pci_assign_irqs(bus_8131_2, 3, slotIrqs_8131_2_3);
+        write_pirq_info(pirq_info, bus_8131_2,(3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Slot 2\n");
+        static const unsigned char slotIrqs_8131_2_1[4] = { 9, 11, 10, 5 };
+        pci_assign_irqs(bus_8131_2, 1, slotIrqs_8131_2_1);
+        write_pirq_info(pirq_info, bus_8131_2,(1<<3)|0, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Slot 3\n");
+        static const unsigned char slotIrqs_8131_1_3[4] = { 10, 5, 9, 11 };
+        pci_assign_irqs(bus_8131_1, 3, slotIrqs_8131_1_3);
+        write_pirq_info(pirq_info, bus_8131_1,(3<<3)|0, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x3, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Slot 4\n");
+        static const unsigned char slotIrqs_8131_1_2[4] = { 11, 10, 5, 9 };
+        pci_assign_irqs(bus_8131_1, 2, slotIrqs_8131_1_2);
+        write_pirq_info(pirq_info, bus_8131_1,(2<<3)|0, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 0x4, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Slot 5 \n");
+        static const unsigned char slotIrqs_8111_1_4[4] = { 5, 9, 11, 10 };
+        pci_assign_irqs(bus_8111_1, 4, slotIrqs_8111_1_4);
+        write_pirq_info(pirq_info, bus_8111_1,(4<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x5, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Onboard SI Serail ATA\n");
+        static const unsigned char slotIrqs_8111_1_5[4] = { 10, 0, 0, 0 };
+        pci_assign_irqs(bus_8111_1, 5, slotIrqs_8111_1_5);
+        write_pirq_info(pirq_info, bus_8111_1,(5<<3)|0, 0x4, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Onboard Intel NIC\n");
+        static const unsigned char slotIrqs_8111_1_8[4] = { 11, 0, 0, 0 };
+        pci_assign_irqs(bus_8111_1, 8, slotIrqs_8111_1_8);
+        write_pirq_info(pirq_info, bus_8111_1,(8<<3)|0, 0x3, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Onboard Adaptec  SCSI\n");
+        static const unsigned char slotIrqs_8131_1_6[4] = { 5, 9, 0, 0 };
+        pci_assign_irqs(bus_8131_1, 6, slotIrqs_8131_1_6);
+        write_pirq_info(pirq_info, bus_8131_1,(6<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0, 0, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+#if 0
+	//??
+        write_pirq_info(pirq_info, bus_8131_1,(5<<3)|0, 0x3, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+#endif
+
+        printk_info("setting Onboard Broadcom NIC\n");
+        static const unsigned char slotIrqs_8131_1_9[4] = { 5, 9, 0, 0 };
+        pci_assign_irqs(bus_8131_1, 9, slotIrqs_8131_1_9);
+        write_pirq_info(pirq_info, bus_8131_1,(9<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0, 0, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+#if 0
+	//?? what's this?
+        write_pirq_info(pirq_info, bus_8131_2,(4<<3)|0, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x6, 0);
+	pirq_info++; slot_num++;
+#endif
+
+#if 0	
+	//?? what's this?
+        write_pirq_info(pirq_info, bus_8131_2,(5<<3)|0, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 0x7, 0);
+	pirq_info++; slot_num++;
+#endif
+                
+	pirq->size = 32 + 16 * slot_num; 
+
+        for (i = 0; i < pirq->size; i++)
+                sum += v[i];	
+
+	sum = pirq->checksum - sum;
+
+        if (sum != pirq->checksum) {
+                pirq->checksum = sum;
+        }
+
+	return	(unsigned long) pirq_info;
+
+}