more universal acpi code

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1887 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 101 insertions, 0 deletions

diff --git a/src/mainboard/amd/solo/acpi_tables.c b/src/mainboard/amd/solo/acpi_tables.c
new file mode 100644
index 0000000000..9c2aeadd2d
--- /dev/null
+++ b/src/mainboard/amd/solo/acpi_tables.c
@@ -0,0 +1,101 @@
+/*
+ * LinuxBIOS ACPI support for AMD Solo
+ * written by Stefan Reinauer <stepan@openbios.org>
+ *  (C) 2005 Stefan Reinauer
+ */
+
+#include <console/console.h>
+#include <string.h>
+#include <arch/acpi.h>
+#include <device/pci.h>
+
+
+unsigned long acpi_dump_apics(unsigned long current)
+{
+#define IO_APIC_ADDR	0xfec00000UL
+	/* 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);
+	return current;
+}
+
+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:
+	 */
+	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);
+
+#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;
+}
+