x86: acpi: Adjust order in acpi_table.c

Rearrange the routine order a little bit, to follow the order
in which ACPI table is defined in acpi_table.h.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

Reviewed-by: Stefan Roese <sr@denx.de>
Tested-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2016-05-07 07:46:25 -07:00
parent dfbb18bcf6
commit ab5efd576c
2 changed files with 244 additions and 242 deletions

View File

@ -305,14 +305,14 @@ struct acpi_mcfg_mmconfig {
/* These can be used by the target port */ /* These can be used by the target port */
void acpi_fill_header(struct acpi_table_header *header, char *signature); void acpi_fill_header(struct acpi_table_header *header, char *signature);
unsigned long acpi_create_madt_lapics(unsigned long current);
int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id, u32 addr,
u32 gsi_base);
int acpi_create_madt_irqoverride(struct acpi_madt_irqoverride *irqoverride,
u8 bus, u8 source, u32 gsirq, u16 flags);
unsigned long acpi_fill_madt(unsigned long current);
void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs, void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
void *dsdt); void *dsdt);
int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi, u8 cpu, unsigned long acpi_create_madt_lapics(unsigned long current);
u16 flags, u8 lint); int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id,
u32 addr, u32 gsi_base);
int acpi_create_madt_irqoverride(struct acpi_madt_irqoverride *irqoverride,
u8 bus, u8 source, u32 gsirq, u16 flags);
int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi,
u8 cpu, u16 flags, u8 lint);
unsigned long acpi_fill_madt(unsigned long current);
u32 write_acpi_tables(u32 start); u32 write_acpi_tables(u32 start);

View File

@ -2,6 +2,7 @@
* Based on acpi.c from coreboot * Based on acpi.c from coreboot
* *
* Copyright (C) 2015, Saket Sinha <saket.sinha89@gmail.com> * Copyright (C) 2015, Saket Sinha <saket.sinha89@gmail.com>
* Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
* *
* SPDX-License-Identifier: GPL-2.0+ * SPDX-License-Identifier: GPL-2.0+
*/ */
@ -20,6 +21,81 @@
*/ */
extern const unsigned char AmlCode[]; extern const unsigned char AmlCode[];
static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt,
struct acpi_xsdt *xsdt)
{
memset(rsdp, 0, sizeof(struct acpi_rsdp));
memcpy(rsdp->signature, RSDP_SIG, 8);
memcpy(rsdp->oem_id, OEM_ID, 6);
rsdp->length = sizeof(struct acpi_rsdp);
rsdp->rsdt_address = (u32)rsdt;
/*
* Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 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 = ACPI_RSDP_REV_ACPI_1_0;
} else {
rsdp->xsdt_address = (u64)(u32)xsdt;
rsdp->revision = ACPI_RSDP_REV_ACPI_2_0;
}
/* Calculate checksums */
rsdp->checksum = table_compute_checksum((void *)rsdp, 20);
rsdp->ext_checksum = table_compute_checksum((void *)rsdp,
sizeof(struct acpi_rsdp));
}
void acpi_fill_header(struct acpi_table_header *header, char *signature)
{
memcpy(header->signature, signature, 4);
memcpy(header->oem_id, OEM_ID, 6);
memcpy(header->oem_table_id, OEM_TABLE_ID, 8);
memcpy(header->aslc_id, ASLC_ID, 4);
}
static void acpi_write_rsdt(struct acpi_rsdt *rsdt)
{
struct acpi_table_header *header = &(rsdt->header);
/* Fill out header fields */
acpi_fill_header(header, "RSDT");
header->length = sizeof(struct acpi_rsdt);
/* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
header->revision = ACPI_REV_ACPI_2_0;
/* Entries are filled in later, we come with an empty set */
/* Fix checksum */
header->checksum = table_compute_checksum((void *)rsdt,
sizeof(struct acpi_rsdt));
}
static void acpi_write_xsdt(struct acpi_xsdt *xsdt)
{
struct acpi_table_header *header = &(xsdt->header);
/* Fill out header fields */
acpi_fill_header(header, "XSDT");
header->length = sizeof(struct acpi_xsdt);
/* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
header->revision = ACPI_REV_ACPI_2_0;
/* Entries are filled in later, we come with an empty set */
/* Fix checksum */
header->checksum = table_compute_checksum((void *)xsdt,
sizeof(struct acpi_xsdt));
}
/** /**
* Add an ACPI table to the RSDT (and XSDT) structure, recalculate length * Add an ACPI table to the RSDT (and XSDT) structure, recalculate length
* and checksum. * and checksum.
@ -80,12 +156,27 @@ static void acpi_add_table(struct acpi_rsdp *rsdp, void *table)
} }
} }
static void acpi_create_facs(struct acpi_facs *facs)
{
memset((void *)facs, 0, sizeof(struct acpi_facs));
memcpy(facs->signature, "FACS", 4);
facs->length = sizeof(struct acpi_facs);
facs->hardware_signature = 0;
facs->firmware_waking_vector = 0;
facs->global_lock = 0;
facs->flags = 0;
facs->x_firmware_waking_vector_l = 0;
facs->x_firmware_waking_vector_h = 0;
facs->version = 1;
}
static int acpi_create_madt_lapic(struct acpi_madt_lapic *lapic, static int acpi_create_madt_lapic(struct acpi_madt_lapic *lapic,
u8 cpu, u8 apic) u8 cpu, u8 apic)
{ {
lapic->type = ACPI_APIC_LAPIC; /* Local APIC structure */ lapic->type = ACPI_APIC_LAPIC;
lapic->length = sizeof(struct acpi_madt_lapic); lapic->length = sizeof(struct acpi_madt_lapic);
lapic->flags = LOCAL_APIC_FLAG_ENABLED; /* Processor/LAPIC enabled */ lapic->flags = LOCAL_APIC_FLAG_ENABLED;
lapic->processor_id = cpu; lapic->processor_id = cpu;
lapic->apic_id = apic; lapic->apic_id = apic;
@ -105,11 +196,12 @@ unsigned long acpi_create_madt_lapics(unsigned long current)
(struct acpi_madt_lapic *)current, (struct acpi_madt_lapic *)current,
plat->cpu_id, plat->cpu_id); plat->cpu_id, plat->cpu_id);
} }
return current; return current;
} }
int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id, u32 addr, int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id,
u32 gsi_base) u32 addr, u32 gsi_base)
{ {
ioapic->type = ACPI_APIC_IOAPIC; ioapic->type = ACPI_APIC_IOAPIC;
ioapic->length = sizeof(struct acpi_madt_ioapic); ioapic->length = sizeof(struct acpi_madt_ioapic);
@ -146,14 +238,6 @@ int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi,
return lapic_nmi->length; return lapic_nmi->length;
} }
void acpi_fill_header(struct acpi_table_header *header, char *signature)
{
memcpy(header->signature, signature, 4);
memcpy(header->oem_id, OEM_ID, 6);
memcpy(header->oem_table_id, OEM_TABLE_ID, 8);
memcpy(header->aslc_id, ASLC_ID, 4);
}
static void acpi_create_madt(struct acpi_madt *madt) static void acpi_create_madt(struct acpi_madt *madt)
{ {
struct acpi_table_header *header = &(madt->header); struct acpi_table_header *header = &(madt->header);
@ -223,88 +307,6 @@ static void acpi_create_mcfg(struct acpi_mcfg *mcfg)
header->checksum = table_compute_checksum((void *)mcfg, header->length); header->checksum = table_compute_checksum((void *)mcfg, header->length);
} }
static void acpi_create_facs(struct acpi_facs *facs)
{
memset((void *)facs, 0, sizeof(struct acpi_facs));
memcpy(facs->signature, "FACS", 4);
facs->length = sizeof(struct acpi_facs);
facs->hardware_signature = 0;
facs->firmware_waking_vector = 0;
facs->global_lock = 0;
facs->flags = 0;
facs->x_firmware_waking_vector_l = 0;
facs->x_firmware_waking_vector_h = 0;
facs->version = 1; /* ACPI 1.0: 0, ACPI 2.0/3.0: 1, ACPI 4.0: 2 */
}
static void acpi_write_rsdt(struct acpi_rsdt *rsdt)
{
struct acpi_table_header *header = &(rsdt->header);
/* Fill out header fields */
acpi_fill_header(header, "RSDT");
header->length = sizeof(struct acpi_rsdt);
/* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
header->revision = ACPI_REV_ACPI_2_0;
/* Entries are filled in later, we come with an empty set */
/* Fix checksum */
header->checksum = table_compute_checksum((void *)rsdt,
sizeof(struct acpi_rsdt));
}
static void acpi_write_xsdt(struct acpi_xsdt *xsdt)
{
struct acpi_table_header *header = &(xsdt->header);
/* Fill out header fields */
acpi_fill_header(header, "XSDT");
header->length = sizeof(struct acpi_xsdt);
/* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */
header->revision = ACPI_REV_ACPI_2_0;
/* Entries are filled in later, we come with an empty set */
/* Fix checksum */
header->checksum = table_compute_checksum((void *)xsdt,
sizeof(struct acpi_xsdt));
}
static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt,
struct acpi_xsdt *xsdt)
{
memset(rsdp, 0, sizeof(struct acpi_rsdp));
memcpy(rsdp->signature, RSDP_SIG, 8);
memcpy(rsdp->oem_id, OEM_ID, 6);
rsdp->length = sizeof(struct acpi_rsdp);
rsdp->rsdt_address = (u32)rsdt;
/*
* Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 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 = ACPI_RSDP_REV_ACPI_1_0;
} else {
rsdp->xsdt_address = (u64)(u32)xsdt;
rsdp->revision = ACPI_RSDP_REV_ACPI_2_0;
}
/* Calculate checksums */
rsdp->checksum = table_compute_checksum((void *)rsdp, 20);
rsdp->ext_checksum = table_compute_checksum((void *)rsdp,
sizeof(struct acpi_rsdp));
}
/* /*
* QEMU's version of write_acpi_tables is defined in * QEMU's version of write_acpi_tables is defined in
* arch/x86/cpu/qemu/fw_cfg.c * arch/x86/cpu/qemu/fw_cfg.c
@ -378,15 +380,6 @@ u32 write_acpi_tables(u32 start)
acpi_create_fadt(fadt, facs, dsdt); acpi_create_fadt(fadt, facs, dsdt);
acpi_add_table(rsdp, fadt); acpi_add_table(rsdp, fadt);
debug("ACPI: * MCFG\n");
mcfg = (struct acpi_mcfg *)current;
acpi_create_mcfg(mcfg);
if (mcfg->header.length > sizeof(struct acpi_mcfg)) {
current += mcfg->header.length;
current = ALIGN(current, 16);
acpi_add_table(rsdp, mcfg);
}
debug("ACPI: * MADT\n"); debug("ACPI: * MADT\n");
madt = (struct acpi_madt *)current; madt = (struct acpi_madt *)current;
acpi_create_madt(madt); acpi_create_madt(madt);
@ -396,6 +389,15 @@ u32 write_acpi_tables(u32 start)
} }
current = ALIGN(current, 16); current = ALIGN(current, 16);
debug("ACPI: * MCFG\n");
mcfg = (struct acpi_mcfg *)current;
acpi_create_mcfg(mcfg);
if (mcfg->header.length > sizeof(struct acpi_mcfg)) {
current += mcfg->header.length;
current = ALIGN(current, 16);
acpi_add_table(rsdp, mcfg);
}
debug("current = %x\n", current); debug("current = %x\n", current);
debug("ACPI: done\n"); debug("ACPI: done\n");