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-rw-r--r--src/arch/i386/boot/acpi.c73
-rw-r--r--src/arch/i386/boot/coreboot_table.c3
-rw-r--r--src/arch/i386/boot/tables.c7
-rw-r--r--src/arch/i386/include/arch/acpi.h126
4 files changed, 150 insertions, 59 deletions
diff --git a/src/arch/i386/boot/acpi.c b/src/arch/i386/boot/acpi.c
index c0c57190ad..b05a2c5dae 100644
--- a/src/arch/i386/boot/acpi.c
+++ b/src/arch/i386/boot/acpi.c
@@ -41,29 +41,50 @@ u8 acpi_checksum(u8 *table, u32 length)
* add an acpi table to rsdt structure, and recalculate checksum
*/
-void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
+void acpi_add_table(acpi_rsdp_t *rsdp, void *table)
{
int i;
+ acpi_rsdt_t *rsdt;
+ acpi_xsdt_t *xsdt = NULL;
+
+ rsdt = (acpi_rsdt_t *)rsdp->rsdt_address;
+ if (rsdp->xsdt_address) {
+ xsdt = (acpi_xsdt_t *)((u32)rsdp->xsdt_address);
+ }
int entries_num = ARRAY_SIZE(rsdt->entry);
for (i=0; i<entries_num; i++) {
if(rsdt->entry[i]==0) {
rsdt->entry[i]=(u32)table;
- /* fix length to stop kernel winging about invalid entries */
+ /* fix length to stop kernel whining about invalid entries */
rsdt->header.length = sizeof(acpi_header_t) + (sizeof(u32) * (i+1));
/* fix checksum */
/* hope this won't get optimized away */
rsdt->header.checksum=0;
rsdt->header.checksum=acpi_checksum((u8 *)rsdt,
rsdt->header.length);
+
+ /* And now the same thing for the XSDT. We use the same
+ * index as we want the XSDT and RSDT to always be in
+ * sync in coreboot.
+ */
+ if (xsdt) {
+ xsdt->entry[i]=(u64)(u32)table;
+ xsdt->header.length = sizeof(acpi_header_t) +
+ (sizeof(u64) * (i+1));
+ xsdt->header.checksum=0;
+ xsdt->header.checksum=acpi_checksum((u8 *)xsdt,
+ xsdt->header.length);
+ }
- printk_debug("ACPI: added table %d/%d Length now %d\n",i+1, entries_num, rsdt->header.length);
+ printk_debug("ACPI: added table %d/%d Length now %d\n",
+ i+1, entries_num, rsdt->header.length);
return;
}
}
- printk_warning("ACPI: could not add ACPI table to RSDT. failed.\n");
+ printk_err("ACPI: Error: Could not add ACPI table, too many tables.\n");
}
int acpi_create_mcfg_mmconfig(acpi_mcfg_mmconfig_t *mmconfig, u32 base, u16 seg_nr, u8 start, u8 end)
@@ -216,7 +237,7 @@ void acpi_create_ssdt_generator(acpi_header_t *ssdt, char *oem_table_id)
memcpy(&ssdt->oem_id, OEM_ID, 6);
memcpy(&ssdt->oem_table_id, oem_table_id, 8);
ssdt->oem_revision = 42;
- memcpy(&ssdt->asl_compiler_id, "GENAML", 4);
+ memcpy(&ssdt->asl_compiler_id, "CORE", 4);
ssdt->asl_compiler_revision = 42;
ssdt->length = sizeof(acpi_header_t);
@@ -376,16 +397,47 @@ void acpi_write_rsdt(acpi_rsdt_t *rsdt)
/* fix checksum */
- header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t));
+ header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t));
}
-void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
+void acpi_write_xsdt(acpi_xsdt_t *xsdt)
+{
+ acpi_header_t *header=&(xsdt->header);
+
+ /* fill out header fields */
+ memcpy(header->signature, XSDT_NAME, 4);
+ memcpy(header->oem_id, OEM_ID, 6);
+ memcpy(header->oem_table_id, RSDT_TABLE, 8);
+ memcpy(header->asl_compiler_id, ASLC, 4);
+
+ header->length = sizeof(acpi_xsdt_t);
+ header->revision = 1;
+
+ /* fill out entries */
+
+ // entries are filled in later, we come with an empty set.
+
+ /* fix checksum */
+
+ header->checksum = acpi_checksum((void *)xsdt, sizeof(acpi_xsdt_t));
+}
+
+void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, acpi_xsdt_t *xsdt)
{
memcpy(rsdp->signature, RSDP_SIG, 8);
memcpy(rsdp->oem_id, OEM_ID, 6);
rsdp->length = sizeof(acpi_rsdp_t);
rsdp->rsdt_address = (u32)rsdt;
- rsdp->revision = 2;
+ /* Some OSes expect an XSDT to be present for RSD PTR
+ * revisions >= 2. If we don't have an ACPI XSDT, force
+ * ACPI 1.0 (and thus RSD PTR revision 0)
+ */
+ if (xsdt == NULL) {
+ rsdp->revision = 0;
+ } else {
+ rsdp->xsdt_address = (u64)(u32)xsdt;
+ rsdp->revision = 2;
+ }
rsdp->checksum = acpi_checksum((void *)rsdp, 20);
rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t));
}
@@ -415,11 +467,6 @@ void suspend_resume(void)
/* this is to be filled by SB code - startup value what was found */
u8 acpi_slp_type = 0;
-int acpi_get_sleep_type(void)
-{
- return acpi_slp_type;
-}
-
int acpi_is_wakeup(void)
{
return (acpi_slp_type == 3);
diff --git a/src/arch/i386/boot/coreboot_table.c b/src/arch/i386/boot/coreboot_table.c
index 659ab0f90e..6c7693c9f4 100644
--- a/src/arch/i386/boot/coreboot_table.c
+++ b/src/arch/i386/boot/coreboot_table.c
@@ -479,11 +479,12 @@ unsigned long write_coreboot_table(
low_table_start, low_table_end - low_table_start);
/* Record the pirq table, acpi tables, and maybe the mptable */
- lb_add_memory_range(mem, LB_MEM_TABLE,
+ lb_add_memory_range(mem, LB_MEM_TABLE,
rom_table_start, rom_table_end-rom_table_start);
#if CONFIG_HAVE_HIGH_TABLES == 1
printk_debug("Adding high table area\n");
+ // should this be LB_MEM_ACPI?
lb_add_memory_range(mem, LB_MEM_TABLE,
high_tables_base, high_tables_size);
#endif
diff --git a/src/arch/i386/boot/tables.c b/src/arch/i386/boot/tables.c
index 9991415eda..17338ef558 100644
--- a/src/arch/i386/boot/tables.c
+++ b/src/arch/i386/boot/tables.c
@@ -116,7 +116,12 @@ struct lb_memory *write_tables(void)
acpi_start++;
}
if (acpi_start != high_table_end) {
- acpi_write_rsdp((acpi_rsdp_t *)rom_table_end, ((acpi_rsdp_t *)acpi_start)->rsdt_address);
+ acpi_rsdp_t *low_rsdp = (acpi_rsdp_t *)rom_table_end,
+ *high_rsdp = (acpi_rsdp_t *)acpi_start;
+
+ acpi_write_rsdp(low_rsdp,
+ (acpi_rsdt_t *)(high_rsdp->rsdt_address),
+ (acpi_xsdt_t *)(high_rsdp->xsdt_address));
} else {
printk_err("ERROR: Didn't find RSDP in high table.\n");
}
diff --git a/src/arch/i386/include/arch/acpi.h b/src/arch/i386/include/arch/acpi.h
index 5b5797fcd1..1b3f8d208f 100644
--- a/src/arch/i386/include/arch/acpi.h
+++ b/src/arch/i386/include/arch/acpi.h
@@ -1,8 +1,9 @@
/*
* coreboot ACPI Support - headers and defines.
*
- * written by Stefan Reinauer <stepan@openbios.org>
- * (C) 2004 SUSE LINUX AG
+ * written by Stefan Reinauer <stepan@coresystems.de>
+ * Copyright (C) 2004 SUSE LINUX AG
+ * Copyright (C) 2008-2009 coresystems GmbH
*
* The ACPI table structs are based on the Linux kernel sources.
* ACPI FADT & FACS added by Nick Barker <nick.barker9@btinternet.com>
@@ -17,41 +18,42 @@
#include <stdint.h>
-#if CONFIG_HAVE_ACPI_RESUME
-/* 0 = S0, 1 = S1 ...*/
-extern u8 acpi_slp_type;
-#endif
-
-#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 MCFG_NAME "MCFG"
-#define SRAT_NAME "SRAT"
-#define SLIT_NAME "SLIT"
-#define SSDT_NAME "SSDT"
-#define FACS_NAME "FACS"
-#define FADT_NAME "FACP"
-
-#define RSDT_TABLE "RSDT "
-#define HPET_TABLE "AMD64 "
-#define MCFG_TABLE "MCFG "
-#define MADT_TABLE "MADT "
-#define SRAT_TABLE "SRAT "
-#define SLIT_TABLE "SLIT "
-
-#define OEM_ID "CORE "
-#define ASLC "CORE"
-
-/* ACPI 2.0 table RSDP */
+#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 MCFG_NAME "MCFG"
+#define SRAT_NAME "SRAT"
+#define SLIT_NAME "SLIT"
+#define SSDT_NAME "SSDT"
+#define FACS_NAME "FACS"
+#define FADT_NAME "FACP"
+#define XSDT_NAME "XSDT"
+
+// Misnomer, the NAME above is the 4 byte signature, this (TABLE) is the
+// OEM_TABLE_ID.
+//
+#define ACPI_TABLE_CREATOR "COREBOOT"
+#define RSDT_TABLE ACPI_TABLE_CREATOR
+#define HPET_TABLE ACPI_TABLE_CREATOR
+#define MCFG_TABLE ACPI_TABLE_CREATOR
+#define MADT_TABLE ACPI_TABLE_CREATOR
+#define SRAT_TABLE ACPI_TABLE_CREATOR
+#define SLIT_TABLE ACPI_TABLE_CREATOR
+#define XSDT_TABLE ACPI_TABLE_CREATOR
+
+#define OEM_ID "CORE "
+#define ASLC "CORE"
+
+/* ACPI 3.0 table RSDP */
typedef struct acpi_rsdp {
char signature[8]; /* RSDP signature "RSD PTR" */
u8 checksum; /* checksum of the first 20 bytes */
char oem_id[6]; /* OEM ID, "LXBIOS" */
- u8 revision; /* 0 for APCI 1.0, 2 for ACPI 2.0 */
+ u8 revision; /* 0 for APCI 1.0, 2 for ACPI 2.0/3.0 */
u32 rsdt_address; /* physical address of RSDT */
u32 length; /* total length of RSDP (including extended part) */
u64 xsdt_address; /* physical address of XSDT */
@@ -85,16 +87,23 @@ typedef struct acpi_table_header /* ACPI common table header */
u32 asl_compiler_revision; /* ASL compiler revision number */
} __attribute__ ((packed)) acpi_header_t;
+/* FIXME: This is very fragile:
+ * MCONFIG, HPET, FADT, SRAT, SLIT, MADT(APIC), SSDT, SSDTX, and SSDT for CPU
+ * pstate
+ */
+
+#define MAX_ACPI_TABLES (7 + CONFIG_ACPI_SSDTX_NUM + CONFIG_MAX_CPUS)
+
/* RSDT */
typedef struct acpi_rsdt {
struct acpi_table_header header;
- u32 entry[7+CONFIG_ACPI_SSDTX_NUM+CONFIG_MAX_CPUS]; /* MCONFIG, HPET, FADT, SRAT, SLIT, MADT(APIC), SSDT, SSDTX, and SSDT for CPU pstate*/
+ u32 entry[MAX_ACPI_TABLES];
} __attribute__ ((packed)) acpi_rsdt_t;
/* XSDT */
typedef struct acpi_xsdt {
struct acpi_table_header header;
- u64 entry[6+CONFIG_ACPI_SSDTX_NUM];
+ u64 entry[MAX_ACPI_TABLES];
} __attribute__ ((packed)) acpi_xsdt_t;
/* HPET TIMERS */
@@ -107,7 +116,7 @@ typedef struct acpi_hpet {
u8 attributes;
} __attribute__ ((packed)) acpi_hpet_t;
-/* MCFG taken from include/linux/acpi.h */
+/* MCFG */
typedef struct acpi_mcfg {
struct acpi_table_header header;
u8 reserved[8];
@@ -279,6 +288,9 @@ typedef struct acpi_fadt {
struct acpi_gen_regaddr x_gpe1_blk;
} __attribute__ ((packed)) acpi_fadt_t;
+//
+// FADT Feature Flags
+//
#define ACPI_FADT_WBINVD (1 << 0)
#define ACPI_FADT_WBINVD_FLUSH (1 << 1)
#define ACPI_FADT_C1_SUPPORTED (1 << 2)
@@ -300,14 +312,27 @@ typedef struct acpi_fadt {
#define ACPI_FADT_APIC_CLUSTER (1 << 18)
#define ACPI_FADT_APIC_PHYSICAL (1 << 19)
+//
+// FADT Boot Architecture Flags
+//
+#define ACPI_FADT_LEGACY_DEVICES (1 << 0)
+#define ACPI_FADT_8042 (1 << 1)
+#define ACPI_FADT_VGA_NOT_PRESENT (1 << 2)
+#define ACPI_FADT_MSI_NOT_SUPPORTED (1 << 3)
+#define ACPI_FADT_NO_PCIE_ASPM_CONTROL (1 << 4)
+
+//
+// FADT Preferred Power Management Profile
+//
enum acpi_preferred_pm_profiles {
- PM_UNSPECIFIED = 0,
- PM_DESKTOP = 1,
- PM_MOBILE = 2,
- PM_WORKSTATION = 3,
- PM_ENTERPRISE = 4,
- PM_SOHO_SERVER = 5,
- PM_APPLIANCE_PC = 6
+ PM_UNSPECIFIED = 0,
+ PM_DESKTOP = 1,
+ PM_MOBILE = 2,
+ PM_WORKSTATION = 3,
+ PM_ENTERPRISE_SERVER = 4,
+ PM_SOHO_SERVER = 5,
+ PM_APPLIANCE_PC = 6,
+ PM_PERFORMANCE_SERVER = 7
};
/* FACS */
@@ -324,6 +349,11 @@ typedef struct acpi_facs {
u8 resv[31];
} __attribute__ ((packed)) acpi_facs_t;
+//
+// FACS Flags
+//
+#define ACPI_FACS_S4BIOS_F (1 << 0)
+
/* These are implemented by the target port */
unsigned long write_acpi_tables(unsigned long addr);
unsigned long acpi_fill_madt(unsigned long current);
@@ -337,7 +367,8 @@ void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt);
/* These can be used by the target port */
u8 acpi_checksum(u8 *table, u32 length);
-void acpi_add_table(acpi_rsdt_t *rsdt, void *table);
+void acpi_add_table(acpi_rsdp_t *rsdp, 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);
@@ -365,14 +396,21 @@ void acpi_create_mcfg(acpi_mcfg_t *mcfg);
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);
+void acpi_write_xsdt(acpi_xsdt_t *xsdt);
+void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, acpi_xsdt_t *xsdt);
#if CONFIG_HAVE_ACPI_RESUME
+/* 0 = S0, 1 = S1 ...*/
+extern u8 acpi_slp_type;
+
void suspend_resume(void);
void *acpi_find_wakeup_vector(void);
void *acpi_get_wakeup_rsdp(void);
void acpi_jmp_to_realm_wakeup(u32 linear_addr);
void acpi_jump_to_wakeup(void *wakeup_addr);
+
+int acpi_get_sleep_type(void);
+
#endif
unsigned long acpi_add_ssdt_pstates(acpi_rsdt_t *rsdt, unsigned long current);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 20:26:35 +0000