Write MADT in common code and let the SoC fill out the body by
calling acpi_fill_madt() which must be implemented at SoC level.
Signed-off-by: Patrick Rudolph <patrick.rudo...@9elements.com>
Cc: Simon Glass <s...@chromium.org>
Cc: Bin Meng <bmeng...@gmail.com>
---
arch/sandbox/lib/Makefile | 9 +++---
arch/sandbox/lib/acpi_table.c | 7 +++++
arch/x86/cpu/intel_common/acpi.c | 20 +++++++++-----
arch/x86/cpu/tangier/acpi.c | 6 +++-
arch/x86/include/asm/acpi_table.h | 3 +-
arch/x86/lib/acpi_table.c | 46 ++++++-------------------------
include/acpi/acpi_table.h | 11 ++++++++
lib/acpi/acpi_table.c | 31 +++++++++++++++++++++
8 files changed, 81 insertions(+), 52 deletions(-)
create mode 100644 arch/sandbox/lib/acpi_table.c
diff --git a/arch/sandbox/lib/Makefile b/arch/sandbox/lib/Makefile
index d7d15a50bb..5d7beb250c 100644
--- a/arch/sandbox/lib/Makefile
+++ b/arch/sandbox/lib/Makefile
@@ -5,7 +5,8 @@
# (C) Copyright 2002-2006
# Wolfgang Denk, DENX Software Engineering, w...@denx.de.
-obj-y += fdt_fixup.o interrupts.o
-obj-$(CONFIG_PCI) += pci_io.o
-obj-$(CONFIG_CMD_BOOTM) += bootm.o
-obj-$(CONFIG_CMD_BOOTZ) += bootm.o
+obj-y += fdt_fixup.o interrupts.o
+obj-$(CONFIG_PCI) += pci_io.o
+obj-$(CONFIG_CMD_BOOTM) += bootm.o
+obj-$(CONFIG_CMD_BOOTZ) += bootm.o
+obj-$(CONFIG_$(SPL_)ACPIGEN) += acpi_table.o
diff --git a/arch/sandbox/lib/acpi_table.c b/arch/sandbox/lib/acpi_table.c
new file mode 100644
index 0000000000..6d05ae7a49
--- /dev/null
+++ b/arch/sandbox/lib/acpi_table.c
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
+#include <acpi/acpi_table.h>
+
+void *acpi_fill_madt(struct acpi_madt *madt, void *current)
+{
+ return current;
+}
diff --git a/arch/x86/cpu/intel_common/acpi.c b/arch/x86/cpu/intel_common/acpi.c
index 29676b4abf..dc58a8103e 100644
--- a/arch/x86/cpu/intel_common/acpi.c
+++ b/arch/x86/cpu/intel_common/acpi.c
@@ -19,6 +19,7 @@
#include <asm/global_data.h>
#include <asm/intel_acpi.h>
#include <asm/ioapic.h>
+#include <asm/lapic.h>
#include <asm/mpspec.h>
#include <asm/smm.h>
#include <asm/turbo.h>
@@ -80,33 +81,38 @@ static int acpi_sci_irq(void)
return sci_irq;
}
-static unsigned long acpi_madt_irq_overrides(unsigned long current)
+static void *acpi_madt_irq_overrides(void *current)
{
int sci = acpi_sci_irq();
u16 flags = MP_IRQ_TRIGGER_LEVEL;
- if (sci < 0)
- return log_msg_ret("sci irq", sci);
+ if (sci < 0) {
+ log_err("sci irq %d", sci);
+ return current;
+ }
/* INT_SRC_OVR */
- current += acpi_create_madt_irqoverride((void *)current, 0, 0, 2, 0);
+ current += acpi_create_madt_irqoverride(current, 0, 0, 2, 0);
flags |= arch_madt_sci_irq_polarity(sci);
/* SCI */
current +=
- acpi_create_madt_irqoverride((void *)current, 0, sci, sci, flags);
+ acpi_create_madt_irqoverride(current, 0, sci, sci, flags);
return current;
}
-u32 acpi_fill_madt(u32 current)
+void *acpi_fill_madt(struct acpi_madt *madt, void *current)
{
+ madt->lapic_addr = LAPIC_DEFAULT_BASE;
+ madt->flags = ACPI_MADT_PCAT_COMPAT;
+
/* Local APICs */
current += acpi_create_madt_lapics(current);
/* IOAPIC */
- current += acpi_create_madt_ioapic((void *)current, 2, IO_APIC_ADDR, 0);
+ current += acpi_create_madt_ioapic(current, 2, IO_APIC_ADDR, 0);
return acpi_madt_irq_overrides(current);
}
diff --git a/arch/x86/cpu/tangier/acpi.c b/arch/x86/cpu/tangier/acpi.c
index 1c73a9dbfe..9e5e6c57aa 100644
--- a/arch/x86/cpu/tangier/acpi.c
+++ b/arch/x86/cpu/tangier/acpi.c
@@ -10,6 +10,7 @@
#include <mapmem.h>
#include <acpi/acpi_table.h>
#include <asm/ioapic.h>
+#include <asm/lapic.h>
#include <asm/mpspec.h>
#include <asm/tables.h>
#include <asm/arch/global_nvs.h>
@@ -31,8 +32,11 @@ void acpi_fill_fadt(struct acpi_fadt *fadt)
fadt->minor_revision = 2;
}
-u32 acpi_fill_madt(u32 current)
+void *acpi_fill_madt(struct acpi_madt *madt, void *current)
{
+ madt->lapic_addr = LAPIC_DEFAULT_BASE;
+ madt->flags = ACPI_MADT_PCAT_COMPAT;
+
current += acpi_create_madt_lapics(current);
current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current,
diff --git a/arch/x86/include/asm/acpi_table.h
b/arch/x86/include/asm/acpi_table.h
index 3988898f66..3254bbc380 100644
--- a/arch/x86/include/asm/acpi_table.h
+++ b/arch/x86/include/asm/acpi_table.h
@@ -24,14 +24,13 @@ struct acpi_table_header;
/* These can be used by the target port */
-int acpi_create_madt_lapics(u32 current);
+int acpi_create_madt_lapics(void *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);
int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi,
u8 cpu, u16 flags, u8 lint);
-u32 acpi_fill_madt(u32 current);
int acpi_create_mcfg_mmconfig(struct acpi_mcfg_mmconfig *mmconfig, u32 base,
u16 seg_nr, u8 start, u8 end);
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c
index ff02ce80d1..4eca435e55 100644
--- a/arch/x86/lib/acpi_table.c
+++ b/arch/x86/lib/acpi_table.c
@@ -40,7 +40,7 @@ static int acpi_create_madt_lapic(struct acpi_madt_lapic
*lapic,
return lapic->length;
}
-int acpi_create_madt_lapics(u32 current)
+int acpi_create_madt_lapics(void *current)
{
struct udevice *dev;
int total_length = 0;
@@ -100,23 +100,26 @@ int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi
*lapic_nmi,
return lapic_nmi->length;
}
-static int acpi_create_madt_irq_overrides(u32 current)
+static int acpi_create_madt_irq_overrides(void *current)
{
struct acpi_madt_irqoverride *irqovr;
u16 sci_flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH;
int length = 0;
- irqovr = (void *)current;
+ irqovr = current;
length += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0);
- irqovr = (void *)(current + length);
+ irqovr = current + length;
length += acpi_create_madt_irqoverride(irqovr, 0, 9, 9, sci_flags);
return length;
}
-__weak u32 acpi_fill_madt(u32 current)
+__weak void *acpi_fill_madt(struct acpi_madt *madt, void *current)
{
+ madt->lapic_addr = LAPIC_DEFAULT_BASE;
+ madt->flags = ACPI_MADT_PCAT_COMPAT;
+
current += acpi_create_madt_lapics(current);
current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current,
@@ -127,39 +130,6 @@ __weak u32 acpi_fill_madt(u32 current)
return current;
}
-int acpi_write_madt(struct acpi_ctx *ctx, const struct acpi_writer *entry)
-{
- struct acpi_table_header *header;
- struct acpi_madt *madt;
- u32 current;
-
- madt = ctx->current;
-
- memset(madt, '\0', sizeof(struct acpi_madt));
- header = &madt->header;
-
- /* Fill out header fields */
- acpi_fill_header(header, "APIC");
- header->length = sizeof(struct acpi_madt);
- header->revision = ACPI_MADT_REV_ACPI_3_0;
-
- madt->lapic_addr = LAPIC_DEFAULT_BASE;
- madt->flags = ACPI_MADT_PCAT_COMPAT;
-
- current = (u32)madt + sizeof(struct acpi_madt);
- current = acpi_fill_madt(current);
-
- /* (Re)calculate length and checksum */
- header->length = current - (u32)madt;
-
- header->checksum = table_compute_checksum((void *)madt, header->length);
- acpi_add_table(ctx, madt);
- acpi_inc(ctx, madt->header.length);
-
- return 0;
-}
-ACPI_WRITER(5x86, NULL, acpi_write_madt, 0);
-
/**
* acpi_create_tcpa() - Create a TCPA table
*
diff --git a/include/acpi/acpi_table.h b/include/acpi/acpi_table.h
index 03b69854bf..904c54e38e 100644
--- a/include/acpi/acpi_table.h
+++ b/include/acpi/acpi_table.h
@@ -935,6 +935,17 @@ int acpi_fill_csrt(struct acpi_ctx *ctx);
*/
void acpi_fill_fadt(struct acpi_fadt *fadt);
+/**
+ * acpi_fill_madt() - Fill out the body of the MADT
+ *
+ * Must be implemented in SoC specific code.
+ *
+ * @madt: The MADT to update
+ * @current: Pointer to the MADT body
+ * @return Pointer to the end of tables, where the next tables can be written
+ */
+void *acpi_fill_madt(struct acpi_madt *madt, void *current);
+
/**
* acpi_write_dbg2_pci_uart() - Write out a DBG2 table
*
diff --git a/lib/acpi/acpi_table.c b/lib/acpi/acpi_table.c
index 56c1bcd691..d94e454018 100644
--- a/lib/acpi/acpi_table.c
+++ b/lib/acpi/acpi_table.c
@@ -244,6 +244,37 @@ int acpi_write_fadt(struct acpi_ctx *ctx, const struct
acpi_writer *entry)
ACPI_WRITER(5fadt, "FADT", acpi_write_fadt, 0);
+int acpi_write_madt(struct acpi_ctx *ctx, const struct acpi_writer *entry)
+{
+ struct acpi_table_header *header;
+ struct acpi_madt *madt;
+ void *current;
+
+ madt = ctx->current;
+
+ memset(madt, '\0', sizeof(struct acpi_madt));
+ header = &madt->header;
+
+ /* Fill out header fields */
+ acpi_fill_header(header, "APIC");
+ header->length = sizeof(struct acpi_madt);
+ header->revision = ACPI_MADT_REV_ACPI_3_0;
+
+ current = (void *)madt + sizeof(struct acpi_madt);
+ current = acpi_fill_madt(madt, current);
+
+ /* (Re)calculate length and checksum */
+ header->length = (uintptr_t)current - (uintptr_t)madt;
+
+ header->checksum = table_compute_checksum((void *)madt, header->length);
+ acpi_add_table(ctx, madt);
+ acpi_inc(ctx, madt->header.length);
+
+ return 0;
+}
+
+ACPI_WRITER(5madt, "MADT", acpi_write_madt, 0);
+
static void acpi_create_dbg2(struct acpi_dbg2_header *dbg2,
int port_type, int port_subtype,
struct acpi_gen_regaddr *address, u32 address_size,
--
2.45.2
