DK8 HTX with CAR and acpi, and easy support for HTX


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2452 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/Iwill/dk8_htx/acpi_tables.c b/src/mainboard/Iwill/dk8_htx/acpi_tables.c
new file mode 100644
index 0000000..f35e7f9
--- /dev/null
+++ b/src/mainboard/Iwill/dk8_htx/acpi_tables.c
@@ -0,0 +1,348 @@
+/*
+ * Island Aruma ACPI support
+ * written by Stefan Reinauer <stepan@openbios.org>
+ *  (C) 2005 Stefan Reinauer
+ *
+ *
+ *  Copyright 2005 AMD
+ *  2005.9 yhlu modify that to more dynamic for AMD Opteron Based MB
+ */
+
+#include <console/console.h>
+#include <string.h>
+#include <arch/acpi.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <cpu/x86/msr.h>
+#include <cpu/amd/mtrr.h>
+#include <cpu/amd/amdk8_sysconf.h>
+
+#include "mb_sysconf.h"
+
+#define DUMP_ACPI_TABLES 0
+
+#if DUMP_ACPI_TABLES == 1
+static void dump_mem(unsigned start, unsigned end)
+{
+        
+	unsigned i;
+        print_debug("dump_mem:");
+        for(i=start;i<end;i++) {
+                if((i & 0xf)==0) {
+                        printk_debug("\n%08x:", i);
+                }
+                printk_debug(" %02x", (unsigned char)*((unsigned char *)i));
+        }
+        print_debug("\n");
+ }
+#endif
+
+extern unsigned char AmlCode[];
+extern unsigned char AmlCode_ssdt[];
+
+#if ACPI_SSDTX_NUM >= 1
+extern unsigned char AmlCode_ssdt2[];
+extern unsigned char AmlCode_ssdt3[];
+extern unsigned char AmlCode_ssdt4[];
+#endif
+
+#define IO_APIC_ADDR	0xfec00000UL
+
+unsigned long acpi_fill_madt(unsigned long current)
+{
+	unsigned int gsi_base=0x18;
+
+        struct mb_sysconf_t *m;
+
+        m = sysconf.mb;
+ 
+	/* create all subtables for processors */
+	current = acpi_create_madt_lapics(current);
+	
+	/* Write 8111 IOAPIC */
+	current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8111,
+			IO_APIC_ADDR, 0);
+
+        /* Write all 8131 IOAPICs */
+        {
+                device_t dev;
+                struct resource *res;
+                dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0]&0xff), 1));
+                if (dev) {
+                        res = find_resource(dev, PCI_BASE_ADDRESS_0);
+                        if (res) {
+			        current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_1,
+		                        res->base, gsi_base );
+				gsi_base+=4;
+
+                        }
+                }
+                dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0] & 0xff)+1, 1));
+                if (dev) {
+                        res = find_resource(dev, PCI_BASE_ADDRESS_0);
+                        if (res) {
+                                current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_2,
+                                        res->base, gsi_base );
+                                gsi_base+=4;
+                        }
+                }
+
+                int i;
+                int j = 0;
+
+                for(i=1; i< sysconf.hc_possible_num; i++) {
+			unsigned d;
+                        if(!(sysconf.pci1234[i] & 0x1) ) continue;
+                        // 8131 need to use +4
+			
+                        switch (sysconf.hcid[i]) {
+                        case 1:
+				d = 7;
+				break;
+			case 3:
+				d = 4;
+				break;
+			}
+                        switch (sysconf.hcid[i]) {
+                        case 1:
+			case 3:
+                                dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j], 1));
+                                if (dev) {
+                                        res = find_resource(dev, PCI_BASE_ADDRESS_0);
+                                        if (res) {
+                                                current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][0],
+                                                        res->base, gsi_base );
+                                                gsi_base+=d;
+                                        }
+                                }
+                                dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j]+1, 1));
+                                if (dev) {
+                                        res = find_resource(dev, PCI_BASE_ADDRESS_0);
+                                        if (res) {
+                                                current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][1],
+                                                        res->base, gsi_base );
+                                                gsi_base+=d;
+
+                                        }
+                                }
+                                break;
+                        }
+
+                        j++;
+                }
+
+        }
+
+	current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
+			current, 0, 0, 2, 5 );
+		/* 0: mean bus 0--->ISA */
+		/* 0: PIC 0 */
+		/* 2: APIC 2 */ 
+		/* 5 mean: 0101 --> Edige-triggered, Active high*/
+
+
+	        /* create all subtables for processors */
+        current = acpi_create_madt_lapic_nmis(current, 5, 1);
+		/* 1: LINT1 connect to NMI */
+
+
+	return current;
+}
+
+extern void get_bus_conf(void);
+
+extern void update_ssdt(void *ssdt);
+
+void update_ssdtx(void *ssdtx, int i)
+{
+        uint8_t *PCI;
+        uint8_t *HCIN;
+        uint8_t *UID;
+
+        PCI = ssdtx + 0x32;
+        HCIN = ssdtx + 0x39;
+        UID = ssdtx + 0x40;
+
+        if(i<7) {
+                *PCI  = (uint8_t) ('4' + i - 1);
+        }
+        else {
+                *PCI  = (uint8_t) ('A' + i - 1 - 6);
+        }
+        *HCIN = (uint8_t) i;
+        *UID  = (uint8_t) (i+3);
+
+        /* FIXME: need to update the GSI id in the ssdtx too */
+
+}
+
+unsigned long write_acpi_tables(unsigned long start)
+{
+	unsigned long current;
+	acpi_rsdp_t *rsdp;
+	acpi_rsdt_t *rsdt;
+	acpi_hpet_t *hpet;
+	acpi_madt_t *madt;
+	acpi_srat_t *srat;
+	acpi_slit_t *slit;
+	acpi_fadt_t *fadt;
+	acpi_facs_t *facs;
+	acpi_header_t *dsdt;
+	acpi_header_t *ssdt;
+	acpi_header_t *ssdtx;
+	unsigned char *p;
+
+	unsigned char *AmlCode_ssdtx[HC_POSSIBLE_NUM];
+
+	int i;
+
+	get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn
+
+	/* Align ACPI tables to 16byte */
+	start   = ( start + 0x0f ) & -0x10;
+	current = start;
+	
+	printk_info("ACPI: Writing ACPI tables at %lx...\n", start);
+
+	/* We need at least an RSDP and an RSDT Table */
+	rsdp = (acpi_rsdp_t *) current;
+	current += sizeof(acpi_rsdp_t);
+	rsdt = (acpi_rsdt_t *) current;
+	current += sizeof(acpi_rsdt_t);
+
+	/* clear all table memory */
+	memset((void *)start, 0, current - start);
+	
+	acpi_write_rsdp(rsdp, rsdt);
+	acpi_write_rsdt(rsdt);
+
+	/*
+	 * We explicitly add these tables later on:
+	 */
+	printk_debug("ACPI:    * HPET\n");
+	hpet = (acpi_hpet_t *) current;
+	current += sizeof(acpi_hpet_t);
+	acpi_create_hpet(hpet);
+	acpi_add_table(rsdt,hpet);
+
+	/* If we want to use HPET Timers Linux wants an MADT */
+	printk_debug("ACPI:    * MADT\n");
+	madt = (acpi_madt_t *) current;
+	acpi_create_madt(madt);
+	current+=madt->header.length;
+	acpi_add_table(rsdt,madt);
+
+
+	/* SRAT */
+        printk_debug("ACPI:    * SRAT\n");
+        srat = (acpi_srat_t *) current;
+        acpi_create_srat(srat);
+        current+=srat->header.length;
+        acpi_add_table(rsdt,srat);
+
+	/* SLIT */
+        printk_debug("ACPI:    * SLIT\n");
+        slit = (acpi_slit_t *) current;
+        acpi_create_slit(slit);
+        current+=slit->header.length;
+        acpi_add_table(rsdt,slit);
+
+	/* SSDT */
+	printk_debug("ACPI:    * SSDT\n");
+	ssdt = (acpi_header_t *)current;
+	current += ((acpi_header_t *)AmlCode_ssdt)->length;
+	memcpy((void *)ssdt, (void *)AmlCode_ssdt, ((acpi_header_t *)AmlCode_ssdt)->length);
+	//Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c
+	update_ssdt((void*)ssdt);
+        /* recalculate checksum */
+        ssdt->checksum = 0;
+        ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
+	acpi_add_table(rsdt,ssdt);
+
+#if ACPI_SSDTX_NUM >= 1
+
+        //same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table
+
+        for(i=1;i<sysconf.hc_possible_num;i++) {  // 0: is hc sblink
+                if((sysconf.pci1234[i] & 1) != 1 ) continue;
+                uint8_t c;
+                if(i<7) {
+                        c  = (uint8_t) ('4' + i - 1);
+                }
+                else {
+                        c  = (uint8_t) ('A' + i - 1 - 6);
+                }
+                printk_debug("ACPI:    * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); //pci0 and pci1 are in dsdt
+                current   = ( current + 0x07) & -0x08;
+                ssdtx = (acpi_header_t *)current;
+                switch(sysconf.hcid[i]) {
+                case 1: //8132
+                        p = AmlCode_ssdt2;
+                        break;
+                case 2: //8151
+                        p = AmlCode_ssdt3;
+                        break;
+		case 3: //8131
+                        p = AmlCode_ssdt4;
+                        break;
+                default:
+                        continue;
+                }
+                current += ((acpi_header_t *)p)->length;
+                memcpy((void *)ssdtx, (void *)p, ((acpi_header_t *)p)->length);
+                update_ssdtx((void *)ssdtx, i);
+                ssdtx->checksum = 0;
+                ssdtx->checksum = acpi_checksum((unsigned char *)ssdtx,ssdtx->length);
+                acpi_add_table(rsdt,ssdtx);
+        }
+#endif
+
+	/* FACS */
+	printk_debug("ACPI:    * FACS\n");
+	facs = (acpi_facs_t *) current;
+	current += sizeof(acpi_facs_t);
+	acpi_create_facs(facs);
+
+	/* DSDT */
+	printk_debug("ACPI:    * DSDT\n");
+	dsdt = (acpi_header_t *)current;
+	current += ((acpi_header_t *)AmlCode)->length;
+	memcpy((void *)dsdt,(void *)AmlCode, \
+			((acpi_header_t *)AmlCode)->length);
+	printk_debug("ACPI:    * DSDT @ %08x Length %x\n",dsdt,dsdt->length);
+
+	/* FDAT */
+	printk_debug("ACPI:    * FADT\n");
+	fadt = (acpi_fadt_t *) current;
+	current += sizeof(acpi_fadt_t);
+
+	acpi_create_fadt(fadt,facs,dsdt);
+	acpi_add_table(rsdt,fadt);
+
+#if DUMP_ACPI_TABLES == 1
+	printk_debug("rsdp\n");
+	dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
+
+        printk_debug("rsdt\n");
+        dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
+
+        printk_debug("madt\n");
+        dump_mem(madt, ((void *)madt) + madt->header.length);
+
+        printk_debug("srat\n");
+        dump_mem(srat, ((void *)srat) + srat->header.length);
+
+        printk_debug("slit\n");
+        dump_mem(slit, ((void *)slit) + slit->header.length);
+
+        printk_debug("ssdt\n");
+        dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
+
+        printk_debug("fadt\n");
+        dump_mem(fadt, ((void *)fadt) + fadt->header.length);
+#endif
+
+	printk_info("ACPI: done.\n");
+	return current;
+}
+