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authorStefan Reinauer <stepan@openbios.org>2005-01-19 14:06:41 +0000
committerStefan Reinauer <stepan@openbios.org>2005-01-19 14:06:41 +0000
commit777224c7cffe90e4c439cb4b0b111b1a60f82f69 (patch)
tree030f460575f45799106714349afd1a82190f4212 /src/arch
parent26b2922f1cf61a5076ea81fcd764cce94fc5900f (diff)
downloadcoreboot-777224c7cffe90e4c439cb4b0b111b1a60f82f69.tar.xz
- make acpi usable for more than one motherboard.
- make pirq normal debug a little bit nicer git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1886 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/i386/boot/acpi.c169
-rw-r--r--src/arch/i386/boot/pirq_routing.c4
-rw-r--r--src/arch/i386/include/arch/acpi.h42
3 files changed, 72 insertions, 143 deletions
diff --git a/src/arch/i386/boot/acpi.c b/src/arch/i386/boot/acpi.c
index 6c837d0c8a..a47e98fe0c 100644
--- a/src/arch/i386/boot/acpi.c
+++ b/src/arch/i386/boot/acpi.c
@@ -1,38 +1,27 @@
/*
* LinuxBIOS ACPI Table support
* written by Stefan Reinauer <stepan@openbios.org>
- * (C) 2004 SUSE LINUX AG
- */
-/* ACPI FADT, FACS, and DSDT table support added by
+ * (C) 2004 SUSE LINUX AG
+ * (C) 2005 Stefan Reinauer
+ *
+ * ACPI FADT, FACS, and DSDT table support added by
* Nick Barker <nick.barker9@btinternet.com>, and those portions
- * (C) Copyright 2004 Nick Barker
+ * (C) Copyright 2004 Nick Barker
+ */
+
+/*
+ * Each system port implementing ACPI has to provide two functions:
+ *
+ * write_acpi_tables()
+ * acpi_dump_apics()
+ *
+ * See Solo or Epia port on more details.
*/
#include <console/console.h>
#include <string.h>
#include <arch/acpi.h>
-
-#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
-#define RSDP_NAME "RSDP"
-
-#define RSDT_NAME "RSDT"
-#define HPET_NAME "HPET"
-#define MADT_NAME "APIC"
-
-#define RSDT_TABLE "RSDT "
-#define HPET_TABLE "AMD64 "
-#define MADT_TABLE "MADT "
-
-#define OEM_ID "LXBIOS"
-#define ASLC "NONE"
-
-
-// FIX ME - define needs declaring / setting in Config files
-#define HAVE_ACPI_FADT
-
-#ifdef HAVE_ACPI_FADT
-extern unsigned char AmlCode[];
-#endif
+#include <device/pci.h>
u8 acpi_checksum(u8 *table, u32 length)
{
@@ -48,7 +37,7 @@ u8 acpi_checksum(u8 *table, u32 length)
* add an acpi table to rsdt structure, and recalculate checksum
*/
-static void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
+void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
{
int i;
@@ -68,11 +57,11 @@ static void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
}
}
- printk_warning("ACPI: could not ACPI table. failed.\n");
+ printk_warning("ACPI: could not add ACPI table to RSDT. failed.\n");
}
-static int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic)
+int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic)
{
lapic->type=0;
lapic->length=sizeof(acpi_madt_lapic_t);
@@ -84,12 +73,12 @@ static int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic)
return(lapic->length);
}
-static int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr)
+int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,u32 gsi_base)
{
ioapic->type=1;
ioapic->length=sizeof(acpi_madt_ioapic_t);
ioapic->reserved=0x00;
- ioapic->gsi_base=0x00000000;
+ ioapic->gsi_base=gsi_base;
ioapic->ioapic_id=id;
ioapic->ioapic_addr=addr;
@@ -97,13 +86,11 @@ static int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr)
return(ioapic->length);
}
-static int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
+int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
u8 bus, u8 source, u32 gsirq, u16 flags)
{
irqoverride->type=2;
irqoverride->length=sizeof(acpi_madt_irqoverride_t);
- irqoverride->flags=0x0001;
-
irqoverride->bus=bus;
irqoverride->source=source;
irqoverride->gsirq=gsirq;
@@ -112,7 +99,7 @@ static int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
return(irqoverride->length);
}
-static int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
+int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
u16 flags, u8 lint)
{
lapic_nmi->type=4;
@@ -125,10 +112,10 @@ static int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
return(lapic_nmi->length);
}
-static void acpi_create_madt(acpi_madt_t *madt)
+void acpi_create_madt(acpi_madt_t *madt)
{
#define LOCAL_APIC_ADDR 0xfee00000ULL
-#define IO_APIC_ADDR 0xfec00000UL
+
acpi_header_t *header=&(madt->header);
unsigned long current=(unsigned long)madt+sizeof(acpi_madt_t);
@@ -145,26 +132,16 @@ static void acpi_create_madt(acpi_madt_t *madt)
madt->lapic_addr= LOCAL_APIC_ADDR;
madt->flags = 0x1; /* PCAT_COMPAT */
-
- /* create all subtables for 1p */
- current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 0, 0);
- current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, 2,
- IO_APIC_ADDR);
- current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
- current, 0, 0, 2, 1 /* active high */);
- current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
- current, 0, 9, 9, 0xf /* active low, level triggered */);
- current += acpi_create_madt_lapic_nmi( (acpi_madt_lapic_nmi_t *)
- current, 0, 5, 1);
+ current = acpi_dump_apics(current);
+
/* recalculate length */
header->length= current - (unsigned long)madt;
header->checksum = acpi_checksum((void *)madt, header->length);
}
-
-static void acpi_create_hpet(acpi_hpet_t *hpet)
+void acpi_create_hpet(acpi_hpet_t *hpet)
{
#define HPET_ADDR 0xfed00000ULL
acpi_header_t *header=&(hpet->header);
@@ -195,9 +172,8 @@ static void acpi_create_hpet(acpi_hpet_t *hpet)
header->checksum = acpi_checksum((void *)hpet, sizeof(acpi_hpet_t));
}
-static void acpi_create_facs(acpi_facs_t *facs)
+void acpi_create_facs(acpi_facs_t *facs)
{
-
memset( (void *)facs,0, sizeof(acpi_facs_t));
memcpy(facs->signature,"FACS",4);
@@ -209,9 +185,9 @@ static void acpi_create_facs(acpi_facs_t *facs)
facs->x_firmware_waking_vector_l = 0;
facs->x_firmware_waking_vector_h = 0;
facs->version = 1;
-
}
-static void acpi_write_rsdt(acpi_rsdt_t *rsdt)
+
+void acpi_write_rsdt(acpi_rsdt_t *rsdt)
{
acpi_header_t *header=&(rsdt->header);
@@ -233,7 +209,7 @@ static void acpi_write_rsdt(acpi_rsdt_t *rsdt)
header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t));
}
-static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
+void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
{
memcpy(rsdp->signature, RSDP_SIG, 8);
memcpy(rsdp->oem_id, OEM_ID, 6);
@@ -242,89 +218,6 @@ static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
rsdp->rsdt_address = (u32)rsdt;
rsdp->checksum = acpi_checksum((void *)rsdp, 20);
rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t));
-
}
-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_fadt_t *fadt;
- acpi_facs_t *facs;
- acpi_header_t *dsdt;
-
- /* 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:
- */
-#ifdef HAVE_ACPI_HPET
- 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);
-
-
-#endif
-
-#ifdef HAVE_ACPI_FADT
-
-
- printk_debug("ACPI: * FACS\n");
- facs = (acpi_facs_t *) current;
- current += sizeof(acpi_facs_t);
- acpi_create_facs(facs);
-
-
- dsdt = (acpi_header_t *)current;
- current += ((acpi_header_t *)AmlCode)->length;
- memcpy((void *)dsdt,(void *)AmlCode, ((acpi_header_t *)AmlCode)->length);
- dsdt->checksum = 0; // don't trust intel iasl compiler to get this right
- dsdt->checksum = acpi_checksum(dsdt,dsdt->length);
- printk_debug("ACPI: * DSDT @ %08x Length %x\n",dsdt,dsdt->length);
- 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);
-
-
-#endif
-
-
-
- printk_info("ACPI: done.\n");
- return current;
-}
diff --git a/src/arch/i386/boot/pirq_routing.c b/src/arch/i386/boot/pirq_routing.c
index f1119025c8..62ba1a474e 100644
--- a/src/arch/i386/boot/pirq_routing.c
+++ b/src/arch/i386/boot/pirq_routing.c
@@ -24,8 +24,8 @@ static void check_pirq_routing_table(struct irq_routing_table *rt)
for (i = 0; i < rt->size; i++)
sum += addr[i];
- printk_debug("%s:%6d:%s() - irq_routing_table located at: 0x%p\n",
- __FILE__, __LINE__, __FUNCTION__, addr);
+ printk_debug("%s() - irq_routing_table located at: 0x%p\n",
+ __FUNCTION__, addr);
sum = rt->checksum - sum;
diff --git a/src/arch/i386/include/arch/acpi.h b/src/arch/i386/include/arch/acpi.h
index 9c89e90ba6..3b9a774ffa 100644
--- a/src/arch/i386/include/arch/acpi.h
+++ b/src/arch/i386/include/arch/acpi.h
@@ -22,8 +22,19 @@ typedef unsigned short u16;
typedef unsigned int u32;
typedef unsigned long long u64;
-#define RSDP_NAME "RSDP"
-#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
+#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
+#define RSDP_NAME "RSDP"
+
+#define RSDT_NAME "RSDT"
+#define HPET_NAME "HPET"
+#define MADT_NAME "APIC"
+
+#define RSDT_TABLE "RSDT "
+#define HPET_TABLE "AMD64 "
+#define MADT_TABLE "MADT "
+
+#define OEM_ID "LXBIOS"
+#define ASLC "NONE"
/* ACPI 2.0 table RSDP */
@@ -209,8 +220,33 @@ typedef struct acpi_facs {
u8 resv[33];
} __attribute__ ((packed)) acpi_facs_t;
-
unsigned long write_acpi_tables(unsigned long addr);
+unsigned long acpi_dump_apics(unsigned long current);
+
+void acpi_add_table(acpi_rsdt_t *rsdt, void *table);
+int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic);
+int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,u32 gsi_base);
+void acpi_create_madt(acpi_madt_t *madt);
+void acpi_create_hpet(acpi_hpet_t *hpet);
+void acpi_create_facs(acpi_facs_t *facs);
+void acpi_write_rsdt(acpi_rsdt_t *rsdt);
+void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt);
+
+#define ACPI_WRITE_MADT_IOAPIC(bus,device,fn,id) \
+do { \
+ device_t dev; \
+ struct resource *res; \
+ dev = dev_find_slot(bus, PCI_DEVFN(device,fn)); \
+ if (!dev) break; \
+ res = find_resource(dev, PCI_BASE_ADDRESS_0); \
+ if (!res) break; \
+ current += acpi_create_madt_ioapic( \
+ (acpi_madt_ioapic_t *)current, \
+ id, res->base, gsi_base); \
+ gsi_base+=4; \
+} while(0);
+
+#define IO_APIC_ADDR 0xfec00000UL
#else // HAVE_ACPI_TABLES