[PATCH 1/2] Reland "x86: Move FACP table into separate functions""
Simon Glass
sjg at chromium.org
Thu Aug 24 20:23:32 CEST 2023
Each board has its own way of creating this table. Rather than calling the
acpi_create_fadt() function for each one from a common acpi_write_fadt()
function, just move the writer into the board-specific code.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
Make another attempt to land this. It apparently breaks Edison but I
cannot test that board, nor can I work out what is wrong with the code.
Previous test report is here:
https://lore.kernel.org/all/Yga9Z7sBFAeV64FV@smile.fi.intel.com/
Looking at the image, the method is definitely present:
$ nm /tmp/b/edison/u-boot |grep acpi_writer
0115fde0 D _u_boot_list_2_acpi_writer_2_0base
0115fdf0 D _u_boot_list_2_acpi_writer_2_1facs
0115fe00 D _u_boot_list_2_acpi_writer_2_3dsdt
0115fe10 D _u_boot_list_2_acpi_writer_2_4gnvs
0115fe20 D _u_boot_list_2_acpi_writer_2_5csrt
0115fe30 D _u_boot_list_2_acpi_writer_2_5fadt
0115fe40 D _u_boot_list_2_acpi_writer_2_5mcfg
0115fe50 D _u_boot_list_2_acpi_writer_2_5spcr
0115fe60 D _u_boot_list_2_acpi_writer_2_5tcpa
0115fe70 D _u_boot_list_2_acpi_writer_2_5tpm2
0115fe80 D _u_boot_list_2_acpi_writer_2_5x86
0115fe90 D _u_boot_list_2_acpi_writer_2_6ssdt
0115fea0 D _u_boot_list_2_acpi_writer_2_8dev
I wonder if the code in quark_write_fadt() is not being called?
'acpi list' shows what tables are installed. On minnowmax there is no
difference with or without this patch. Perhaps someone with sharper eyes
than me can figure this out?
The mechanism is that the functions to be called are put in a linker list,
each element being declared using ACPI_WRITER(function_name).
Then acpi_write_all() is called to write each one. Debugging could be
added to that function, perhaps?
arch/x86/cpu/apollolake/acpi.c | 17 +++++++++++++----
arch/x86/cpu/baytrail/acpi.c | 27 +++++++++++++++++++--------
arch/x86/cpu/quark/acpi.c | 27 +++++++++++++++++++--------
arch/x86/cpu/tangier/acpi.c | 25 +++++++++++++++++--------
arch/x86/include/asm/acpi_table.h | 2 --
arch/x86/lib/acpi_table.c | 15 ---------------
6 files changed, 68 insertions(+), 45 deletions(-)
diff --git a/arch/x86/cpu/apollolake/acpi.c b/arch/x86/cpu/apollolake/acpi.c
index fd21c0b49684..16aaed7238ab 100644
--- a/arch/x86/cpu/apollolake/acpi.c
+++ b/arch/x86/cpu/apollolake/acpi.c
@@ -146,16 +146,25 @@ void fill_fadt(struct acpi_fadt *fadt)
fadt->x_pm_tmr_blk.addrl = IOMAP_ACPI_BASE + PM1_TMR;
}
-void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
- void *dsdt)
+static int apl_write_fadt(struct acpi_ctx *ctx, const struct acpi_writer *entry)
{
- struct acpi_table_header *header = &fadt->header;
+ struct acpi_table_header *header;
+ struct acpi_fadt *fadt;
- acpi_fadt_common(fadt, facs, dsdt);
+ fadt = ctx->current;
+ acpi_fadt_common(fadt, ctx->facs, ctx->dsdt);
intel_acpi_fill_fadt(fadt);
fill_fadt(fadt);
+ header = &fadt->header;
header->checksum = table_compute_checksum(fadt, header->length);
+
+ acpi_add_table(ctx, fadt);
+
+ acpi_inc(ctx, sizeof(struct acpi_fadt));
+
+ return 0;
}
+ACPI_WRITER(5fadt, "FADT", apl_write_fadt, 0);
int apl_acpi_fill_dmar(struct acpi_ctx *ctx)
{
diff --git a/arch/x86/cpu/baytrail/acpi.c b/arch/x86/cpu/baytrail/acpi.c
index 07757b88a305..4c526ff27310 100644
--- a/arch/x86/cpu/baytrail/acpi.c
+++ b/arch/x86/cpu/baytrail/acpi.c
@@ -15,20 +15,24 @@
#include <asm/arch/iomap.h>
#include <dm/uclass-internal.h>
-void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
- void *dsdt)
+static int baytrail_write_fadt(struct acpi_ctx *ctx,
+ const struct acpi_writer *entry)
{
- struct acpi_table_header *header = &(fadt->header);
+ struct acpi_table_header *header;
+ struct acpi_fadt *fadt;
+
+ fadt = ctx->current;
+ header = &fadt->header;
u16 pmbase = ACPI_BASE_ADDRESS;
- memset((void *)fadt, 0, sizeof(struct acpi_fadt));
+ memset(fadt, '\0', sizeof(struct acpi_fadt));
acpi_fill_header(header, "FACP");
header->length = sizeof(struct acpi_fadt);
header->revision = 4;
- fadt->firmware_ctrl = (u32)facs;
- fadt->dsdt = (u32)dsdt;
+ fadt->firmware_ctrl = (u32)ctx->facs;
+ fadt->dsdt = (u32)ctx->dsdt;
fadt->preferred_pm_profile = ACPI_PM_MOBILE;
fadt->sci_int = 9;
fadt->smi_cmd = 0;
@@ -75,9 +79,9 @@ void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
fadt->reset_reg.addrh = 0;
fadt->reset_value = SYS_RST | RST_CPU | FULL_RST;
- fadt->x_firmware_ctl_l = (u32)facs;
+ fadt->x_firmware_ctl_l = (u32)ctx->facs;
fadt->x_firmware_ctl_h = 0;
- fadt->x_dsdt_l = (u32)dsdt;
+ fadt->x_dsdt_l = (u32)ctx->dsdt;
fadt->x_dsdt_h = 0;
fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
@@ -137,7 +141,14 @@ void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
fadt->x_gpe1_blk.addrh = 0x0;
header->checksum = table_compute_checksum(fadt, header->length);
+
+ acpi_add_table(ctx, fadt);
+
+ acpi_inc(ctx, sizeof(struct acpi_fadt));
+
+ return 0;
}
+ACPI_WRITER(5fadt, "FADT", baytrail_write_fadt, 0);
int acpi_create_gnvs(struct acpi_global_nvs *gnvs)
{
diff --git a/arch/x86/cpu/quark/acpi.c b/arch/x86/cpu/quark/acpi.c
index 82b776ff65f6..92fa5bc30c36 100644
--- a/arch/x86/cpu/quark/acpi.c
+++ b/arch/x86/cpu/quark/acpi.c
@@ -10,20 +10,24 @@
#include <asm/arch/global_nvs.h>
#include <asm/arch/iomap.h>
-void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
- void *dsdt)
+static int quark_write_fadt(struct acpi_ctx *ctx,
+ const struct acpi_writer *entry)
{
- struct acpi_table_header *header = &(fadt->header);
u16 pmbase = ACPI_PM1_BASE_ADDRESS;
+ struct acpi_table_header *header;
+ struct acpi_fadt *fadt;
- memset((void *)fadt, 0, sizeof(struct acpi_fadt));
+ fadt = ctx->current;
+ header = &fadt->header;
+
+ memset(fadt, '\0', sizeof(struct acpi_fadt));
acpi_fill_header(header, "FACP");
header->length = sizeof(struct acpi_fadt);
header->revision = 4;
- fadt->firmware_ctrl = (u32)facs;
- fadt->dsdt = (u32)dsdt;
+ fadt->firmware_ctrl = (u32)ctx->facs;
+ fadt->dsdt = (u32)ctx->dsdt;
fadt->preferred_pm_profile = ACPI_PM_UNSPECIFIED;
fadt->sci_int = 9;
fadt->smi_cmd = 0;
@@ -70,9 +74,9 @@ void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
fadt->reset_reg.addrh = 0;
fadt->reset_value = SYS_RST | RST_CPU | FULL_RST;
- fadt->x_firmware_ctl_l = (u32)facs;
+ fadt->x_firmware_ctl_l = (u32)ctx->facs;
fadt->x_firmware_ctl_h = 0;
- fadt->x_dsdt_l = (u32)dsdt;
+ fadt->x_dsdt_l = (u32)ctx->dsdt;
fadt->x_dsdt_h = 0;
fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
@@ -132,7 +136,14 @@ void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
fadt->x_gpe1_blk.addrh = 0x0;
header->checksum = table_compute_checksum(fadt, header->length);
+
+ acpi_add_table(ctx, fadt);
+
+ acpi_inc(ctx, sizeof(struct acpi_fadt));
+
+ return 0;
}
+ACPI_WRITER(5fadt, "FADT", quark_write_fadt, 0);
int acpi_create_gnvs(struct acpi_global_nvs *gnvs)
{
diff --git a/arch/x86/cpu/tangier/acpi.c b/arch/x86/cpu/tangier/acpi.c
index 3ffba3897aad..01b30553818c 100644
--- a/arch/x86/cpu/tangier/acpi.c
+++ b/arch/x86/cpu/tangier/acpi.c
@@ -16,19 +16,23 @@
#include <asm/arch/iomap.h>
#include <dm/uclass-internal.h>
-void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
- void *dsdt)
+static int tangier_write_fadt(struct acpi_ctx *ctx,
+ const struct acpi_writer *entry)
{
- struct acpi_table_header *header = &(fadt->header);
+ struct acpi_table_header *header;
+ struct acpi_fadt *fadt;
- memset((void *)fadt, 0, sizeof(struct acpi_fadt));
+ fadt = ctx->current;
+ header = &fadt->header;
+
+ memset(fadt, '\0', sizeof(struct acpi_fadt));
acpi_fill_header(header, "FACP");
header->length = sizeof(struct acpi_fadt);
header->revision = 6;
- fadt->firmware_ctrl = (u32)facs;
- fadt->dsdt = (u32)dsdt;
+ fadt->firmware_ctrl = (u32)ctx->facs;
+ fadt->dsdt = (u32)ctx->dsdt;
fadt->preferred_pm_profile = ACPI_PM_UNSPECIFIED;
fadt->iapc_boot_arch = ACPI_FADT_VGA_NOT_PRESENT |
@@ -41,13 +45,18 @@ void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
fadt->minor_revision = 2;
- fadt->x_firmware_ctl_l = (u32)facs;
+ fadt->x_firmware_ctl_l = (u32)ctx->facs;
fadt->x_firmware_ctl_h = 0;
- fadt->x_dsdt_l = (u32)dsdt;
+ fadt->x_dsdt_l = (u32)ctx->dsdt;
fadt->x_dsdt_h = 0;
header->checksum = table_compute_checksum(fadt, header->length);
+
+ acpi_inc(ctx, sizeof(struct acpi_fadt));
+
+ return 0;
}
+ACPI_WRITER(5fadt, "FADT", tangier_write_fadt, 0);
u32 acpi_fill_madt(u32 current)
{
diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h
index 72e1873d15dc..226753b65d6a 100644
--- a/arch/x86/include/asm/acpi_table.h
+++ b/arch/x86/include/asm/acpi_table.h
@@ -24,8 +24,6 @@ struct acpi_table_header;
/* These can be used by the target port */
-void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
- void *dsdt);
int acpi_create_madt_lapics(u32 current);
int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id,
u32 addr, u32 gsi_base);
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c
index e3b7e9a4bbe8..c5b33dc65de4 100644
--- a/arch/x86/lib/acpi_table.c
+++ b/arch/x86/lib/acpi_table.c
@@ -458,21 +458,6 @@ int acpi_write_gnvs(struct acpi_ctx *ctx, const struct acpi_writer *entry)
}
ACPI_WRITER(4gnvs, "GNVS", acpi_write_gnvs, 0);
-static int acpi_write_fadt(struct acpi_ctx *ctx,
- const struct acpi_writer *entry)
-{
- struct acpi_fadt *fadt;
-
- fadt = ctx->current;
- acpi_create_fadt(fadt, ctx->facs, ctx->dsdt);
- acpi_add_table(ctx, fadt);
-
- acpi_inc(ctx, sizeof(struct acpi_fadt));
-
- return 0;
-}
-ACPI_WRITER(5fact, "FADT", acpi_write_fadt, 0);
-
/**
* acpi_write_hpet() - Write out a HPET table
*
--
2.42.0.rc1.204.g551eb34607-goog
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