diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Makefile | 1 | ||||
| -rw-r--r-- | lib/acpi/Makefile | 4 | ||||
| -rw-r--r-- | lib/acpi/acpi_table.c | 93 | ||||
| -rw-r--r-- | lib/efi_loader/efi_acpi.c | 2 | ||||
| -rw-r--r-- | lib/fdtdec.c | 36 |
5 files changed, 125 insertions, 11 deletions
diff --git a/lib/Makefile b/lib/Makefile index 32bf3f36931..5f88d92850f 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -58,6 +58,7 @@ obj-$(CONFIG_TPM_V1) += tpm-v1.o obj-$(CONFIG_TPM_V2) += tpm-v2.o endif +obj-$(CONFIG_$(SPL_)ACPIGEN) += acpi/ obj-$(CONFIG_$(SPL_)RSA) += rsa/ obj-$(CONFIG_SHA1) += sha1.o obj-$(CONFIG_SHA256) += sha256.o diff --git a/lib/acpi/Makefile b/lib/acpi/Makefile new file mode 100644 index 00000000000..660491ef711 --- /dev/null +++ b/lib/acpi/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += acpi_table.o diff --git a/lib/acpi/acpi_table.c b/lib/acpi/acpi_table.c new file mode 100644 index 00000000000..4633dcb9488 --- /dev/null +++ b/lib/acpi/acpi_table.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Generic code used to generate ACPI tables + * + * Copyright 2019 Google LLC + */ + +#include <common.h> +#include <acpi/acpi_table.h> +#include <dm.h> +#include <cpu.h> + +/* Temporary change to ensure bisectability */ +#ifndef CONFIG_SANDBOX +int acpi_create_dmar(struct acpi_dmar *dmar, enum dmar_flags flags) +{ + struct acpi_table_header *header = &dmar->header; + struct cpu_info info; + struct udevice *cpu; + int ret; + + ret = uclass_first_device(UCLASS_CPU, &cpu); + if (ret) + return log_msg_ret("cpu", ret); + ret = cpu_get_info(cpu, &info); + if (ret) + return log_msg_ret("info", ret); + memset((void *)dmar, 0, sizeof(struct acpi_dmar)); + + /* Fill out header fields. */ + acpi_fill_header(&dmar->header, "DMAR"); + header->length = sizeof(struct acpi_dmar); + header->revision = acpi_get_table_revision(ACPITAB_DMAR); + + dmar->host_address_width = info.address_width - 1; + dmar->flags = flags; + + return 0; +} +#endif + +int acpi_get_table_revision(enum acpi_tables table) +{ + switch (table) { + case ACPITAB_FADT: + return ACPI_FADT_REV_ACPI_3_0; + case ACPITAB_MADT: + return ACPI_MADT_REV_ACPI_3_0; + case ACPITAB_MCFG: + return ACPI_MCFG_REV_ACPI_3_0; + case ACPITAB_TCPA: + /* This version and the rest are open-coded */ + return 2; + case ACPITAB_TPM2: + return 4; + case ACPITAB_SSDT: /* ACPI 3.0 upto 6.3: 2 */ + return 2; + case ACPITAB_SRAT: /* ACPI 2.0: 1, ACPI 3.0: 2, ACPI 4.0 to 6.3: 3 */ + return 1; /* TODO Should probably be upgraded to 2 */ + case ACPITAB_DMAR: + return 1; + case ACPITAB_SLIT: /* ACPI 2.0 upto 6.3: 1 */ + return 1; + case ACPITAB_SPMI: /* IMPI 2.0 */ + return 5; + case ACPITAB_HPET: /* Currently 1. Table added in ACPI 2.0 */ + return 1; + case ACPITAB_VFCT: /* ACPI 2.0/3.0/4.0: 1 */ + return 1; + case ACPITAB_IVRS: + return IVRS_FORMAT_FIXED; + case ACPITAB_DBG2: + return 0; + case ACPITAB_FACS: /* ACPI 2.0/3.0: 1, ACPI 4.0 to 6.3: 2 */ + return 1; + case ACPITAB_RSDT: /* ACPI 1.0 upto 6.3: 1 */ + return 1; + case ACPITAB_XSDT: /* ACPI 2.0 upto 6.3: 1 */ + return 1; + case ACPITAB_RSDP: /* ACPI 2.0 upto 6.3: 2 */ + return 2; + case ACPITAB_HEST: + return 1; + case ACPITAB_NHLT: + return 5; + case ACPITAB_BERT: + return 1; + case ACPITAB_SPCR: + return 2; + default: + return -EINVAL; + } +} diff --git a/lib/efi_loader/efi_acpi.c b/lib/efi_loader/efi_acpi.c index a4e5e53d15e..9ae9c25c51e 100644 --- a/lib/efi_loader/efi_acpi.c +++ b/lib/efi_loader/efi_acpi.c @@ -7,7 +7,7 @@ #include <common.h> #include <efi_loader.h> -#include <asm/acpi_table.h> +#include <acpi/acpi_table.h> static const efi_guid_t acpi_guid = EFI_ACPI_TABLE_GUID; diff --git a/lib/fdtdec.c b/lib/fdtdec.c index eb11fc898e3..9ecfa2a2d74 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -1433,14 +1433,9 @@ int fdtdec_set_carveout(void *blob, const char *node, const char *prop_name, const struct fdt_memory *carveout) { uint32_t phandle; - int err, offset; + int err, offset, len; fdt32_t value; - - /* XXX implement support for multiple phandles */ - if (index > 0) { - debug("invalid index %u\n", index); - return -FDT_ERR_BADOFFSET; - } + void *prop; err = fdtdec_add_reserved_memory(blob, name, carveout, &phandle); if (err < 0) { @@ -1456,10 +1451,31 @@ int fdtdec_set_carveout(void *blob, const char *node, const char *prop_name, value = cpu_to_fdt32(phandle); - err = fdt_setprop(blob, offset, prop_name, &value, sizeof(value)); + if (!fdt_getprop(blob, offset, prop_name, &len)) { + if (len == -FDT_ERR_NOTFOUND) + len = 0; + else + return len; + } + + if ((index + 1) * sizeof(value) > len) { + err = fdt_setprop_placeholder(blob, offset, prop_name, + (index + 1) * sizeof(value), + &prop); + if (err < 0) { + debug("failed to resize reserved memory property: %s\n", + fdt_strerror(err)); + return err; + } + } + + err = fdt_setprop_inplace_namelen_partial(blob, offset, prop_name, + strlen(prop_name), + index * sizeof(value), + &value, sizeof(value)); if (err < 0) { - debug("failed to set %s property for node %s: %d\n", prop_name, - node, err); + debug("failed to update %s property for node %s: %s\n", + prop_name, node, fdt_strerror(err)); return err; } |