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authorStefan Reinauer <stepan@coresystems.de>2009-07-21 21:58:20 +0000
committerStefan Reinauer <stepan@openbios.org>2009-07-21 21:58:20 +0000
commita5fdadfa18fce0dfa60f6ae45b877173d9fa312b (patch)
tree033901051881e3881f329d223e5f13b9e6326d86 /src/mainboard/kontron/986lcd-m/acpi_tables.c
parente1a66573b15840f2d434f0736280264a99e2250e (diff)
downloadcoreboot-a5fdadfa18fce0dfa60f6ae45b877173d9fa312b.tar.xz
Kontron updates, get board up to date with i945 and ich7 updates.
Move interrupt routing to mainboard specific code. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4458 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/kontron/986lcd-m/acpi_tables.c')
-rw-r--r--src/mainboard/kontron/986lcd-m/acpi_tables.c164
1 files changed, 103 insertions, 61 deletions
diff --git a/src/mainboard/kontron/986lcd-m/acpi_tables.c b/src/mainboard/kontron/986lcd-m/acpi_tables.c
index c7c060f0a3..81614b615e 100644
--- a/src/mainboard/kontron/986lcd-m/acpi_tables.c
+++ b/src/mainboard/kontron/986lcd-m/acpi_tables.c
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2007-2008 coresystems GmbH
+ * Copyright (C) 2007-2009 coresystems GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -19,16 +19,28 @@
* MA 02110-1301 USA
*/
+#include <types.h>
#include <string.h>
#include <console/console.h>
#include <arch/acpi.h>
+#include <arch/acpigen.h>
+#include <arch/smp/mpspec.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
+#include <cpu/x86/msr.h>
#include "dmi.h"
+#define OLD_ACPI 0
+
extern unsigned char AmlCode[];
+#if HAVE_ACPI_SLIC
+unsigned long acpi_create_slic(unsigned long current);
+#endif
+void generate_cpu_entries(void); // from cpu/intel/speedstep
+unsigned long acpi_fill_mcfg(unsigned long current); // from northbridge/intel/i945
+#if OLD_ACPI
typedef struct acpi_oemb {
acpi_header_t header;
u8 ss;
@@ -55,13 +67,24 @@ typedef struct acpi_oemb {
u8 dts2;
u8 mpen;
} __attribute__((packed)) acpi_oemb_t;
+#endif
+
+typedef struct acpi_gnvs {
+ // 0x00
+ u16 osys;
+ u8 smif;
+ u8 reserved[13];
+ // 0x10
+ u8 mpen;
+} __attribute__((packed)) acpi_gnvs_t;
+#if OLD_ACPI
void acpi_create_oemb(acpi_oemb_t *oemb)
{
acpi_header_t *header = &(oemb->header);
unsigned long tolud;
- memset (oemb, 0, sizeof(oemb));
+ memset (oemb, 0, sizeof(*oemb));
/* fill out header fields */
memcpy(header->signature, "OEMB", 4);
@@ -93,48 +116,12 @@ void acpi_create_oemb(acpi_oemb_t *oemb)
acpi_checksum((void *) oemb, sizeof(acpi_oemb_t));
};
+#endif
-unsigned long acpi_fill_mcfg(unsigned long current)
+void acpi_create_gnvs(acpi_gnvs_t *gnvs)
{
- device_t dev;
- u32 pciexbar = 0;
- u32 pciexbar_reg;
- int max_buses;
-
- dev = dev_find_device(0x8086, 0x27a0, 0);
- if (!dev)
- return current;
-
- // MMCFG not supported or not enabled.
- pciexbar_reg=pci_read_config32(dev, 0x48);
-
- if (!(pciexbar_reg & (1 << 0)))
- return current;
-
- switch ((pciexbar_reg >> 1) & 3) {
- case 0: // 256MB
- pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28));
- max_buses = 256;
- break;
- case 1: // 128M
- pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27));
- max_buses = 128;
- break;
- case 2: // 64M
- pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26));
- max_buses = 64;
- break;
- default: // RSVD
- return current;
- }
-
- if (!pciexbar)
- return current;
-
- current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current,
- pciexbar, 0x0, 0x0, max_buses - 1);
-
- return current;
+ memset((void *)gnvs, 0, sizeof(*gnvs));
+ gnvs->mpen = 1;
}
void acpi_create_intel_hpet(acpi_hpet_t * hpet)
@@ -169,27 +156,32 @@ void acpi_create_intel_hpet(acpi_hpet_t * hpet)
acpi_checksum((void *) hpet, sizeof(acpi_hpet_t));
}
-
-
#define IO_APIC_ADDR 0xfec00000UL
unsigned long acpi_fill_madt(unsigned long current)
{
- /* Local Apic */
- current += acpi_create_madt_lapic((acpi_madt_lapic_t *) current, 1, 0);
- // This one is for the second core... Will it hurt?
- current += acpi_create_madt_lapic((acpi_madt_lapic_t *) current, 2, 1);
+ /* Local APICs */
+ current = acpi_create_madt_lapics(current);
/* IOAPIC */
- current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2, IO_APIC_ADDR, 0);
+ current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
+ 2, IO_APIC_ADDR, 0);
/* INT_SRC_OVR */
- current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) current, 0, 0, 2, 0);
- current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) current, 0, 9, 9, 0x000d); // high/level
+ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
+ current, 0, 0, 2, 0);
+ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
+ current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH);
return current;
}
+unsigned long acpi_fill_ssdt_generator(unsigned long current, char *oem_table_id)
+{
+ generate_cpu_entries();
+ return (unsigned long) (acpigen_get_current());
+}
+
unsigned long acpi_fill_slit(unsigned long current)
{
// Not implemented
@@ -202,6 +194,7 @@ unsigned long acpi_fill_srat(unsigned long current)
return current;
}
+void smm_setup_structures(void *gnvs, void *tcg, void *smi1);
#define ALIGN_CURRENT current = ((current + 0x0f) & -0x10)
unsigned long write_acpi_tables(unsigned long start)
@@ -210,12 +203,20 @@ unsigned long write_acpi_tables(unsigned long start)
int i;
acpi_rsdp_t *rsdp;
acpi_rsdt_t *rsdt;
+ acpi_xsdt_t *xsdt;
acpi_hpet_t *hpet;
acpi_madt_t *madt;
acpi_mcfg_t *mcfg;
acpi_fadt_t *fadt;
acpi_facs_t *facs;
+#if HAVE_ACPI_SLIC
+ acpi_header_t *slic;
+#endif
+#if OLD_ACPI
acpi_oemb_t *oemb;
+#endif
+ acpi_gnvs_t *gnvs;
+ acpi_header_t *ssdt;
acpi_header_t *dsdt;
current = start;
@@ -232,12 +233,16 @@ unsigned long write_acpi_tables(unsigned long start)
rsdt = (acpi_rsdt_t *) current;
current += sizeof(acpi_rsdt_t);
ALIGN_CURRENT;
+ xsdt = (acpi_xsdt_t *) current;
+ current += sizeof(acpi_xsdt_t);
+ ALIGN_CURRENT;
/* clear all table memory */
memset((void *) start, 0, current - start);
- acpi_write_rsdp(rsdp, rsdt);
+ acpi_write_rsdp(rsdp, rsdt, xsdt);
acpi_write_rsdt(rsdt);
+ acpi_write_xsdt(xsdt);
/*
* We explicitly add these tables later on:
@@ -248,7 +253,7 @@ unsigned long write_acpi_tables(unsigned long start)
current += sizeof(acpi_hpet_t);
ALIGN_CURRENT;
acpi_create_intel_hpet(hpet);
- acpi_add_table(rsdt, hpet);
+ acpi_add_table(rsdp, hpet);
/* If we want to use HPET Timers Linux wants an MADT */
printk_debug("ACPI: * MADT\n");
@@ -257,21 +262,23 @@ unsigned long write_acpi_tables(unsigned long start)
acpi_create_madt(madt);
current += madt->header.length;
ALIGN_CURRENT;
- acpi_add_table(rsdt, madt);
+ acpi_add_table(rsdp, madt);
printk_debug("ACPI: * MCFG\n");
mcfg = (acpi_mcfg_t *) current;
acpi_create_mcfg(mcfg);
current += mcfg->header.length;
ALIGN_CURRENT;
- acpi_add_table(rsdt, mcfg);
+ acpi_add_table(rsdp, mcfg);
+#if OLD_ACPI
printk_debug("ACPI: * OEMB\n");
oemb=(acpi_oemb_t *)current;
current += sizeof(acpi_oemb_t);
ALIGN_CURRENT;
acpi_create_oemb(oemb);
- acpi_add_table(rsdt, oemb);
+ acpi_add_table(rsdp, oemb);
+#endif
printk_debug("ACPI: * FACS\n");
facs = (acpi_facs_t *) current;
@@ -281,34 +288,69 @@ unsigned long write_acpi_tables(unsigned long start)
dsdt = (acpi_header_t *) current;
current += ((acpi_header_t *) AmlCode)->length;
- ALIGN_CURRENT;
memcpy((void *) dsdt, (void *) AmlCode,
((acpi_header_t *) AmlCode)->length);
-#if 1
+#if OLD_ACPI
for (i=0; i < dsdt->length; i++) {
- if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) {
+ if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBEEF) {
printk_debug("ACPI: Patching up DSDT at offset 0x%04x -> 0x%08x\n", i, 0x24 + (u32)oemb);
*(u32*)(((u32)dsdt) + i) = 0x24 + (u32)oemb;
break;
}
}
+#endif
+
+ ALIGN_CURRENT;
+
+ /* Pack GNVS into the ACPI table area */
+ for (i=0; i < dsdt->length; i++) {
+ if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) {
+ printk_debug("ACPI: Patching up global NVS in DSDT at offset 0x%04x -> 0x%08x\n", i, current);
+ *(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes
+ break;
+ }
+ }
+
+ /* And fill it */
+ acpi_create_gnvs(current);
+
+ current += 0x100;
+ ALIGN_CURRENT;
+
+ /* And tell SMI about it */
+ smm_setup_structures((void *)current, NULL, NULL);
/* We patched up the DSDT, so we need to recalculate the checksum */
dsdt->checksum = 0;
dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length);
-#endif
printk_debug("ACPI: * DSDT @ %p Length %x\n", dsdt,
dsdt->length);
+#if HAVE_ACPI_SLIC
+ printk_debug("ACPI: * SLIC\n");
+ slic = (acpi_header_t *)current;
+ current += acpi_create_slic(current);
+ ALIGN_CURRENT;
+ acpi_add_table(rsdp, slic);
+#endif
+
printk_debug("ACPI: * FADT\n");
fadt = (acpi_fadt_t *) current;
current += sizeof(acpi_fadt_t);
ALIGN_CURRENT;
acpi_create_fadt(fadt, facs, dsdt);
- acpi_add_table(rsdt, fadt);
+ acpi_add_table(rsdp, fadt);
+
+ printk_debug("ACPI: * SSDT\n");
+ ssdt = (acpi_header_t *)current;
+ acpi_create_ssdt_generator(ssdt, "COREBOOT");
+ current += ssdt->length;
+ acpi_add_table(rsdp, ssdt);
+ ALIGN_CURRENT;
+
printk_debug("current = %lx\n", current);
printk_debug("ACPI: * DMI (Linux workaround)\n");