diff options
Diffstat (limited to 'drivers/misc/qfw_acpi.c')
| -rw-r--r-- | drivers/misc/qfw_acpi.c | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/drivers/misc/qfw_acpi.c b/drivers/misc/qfw_acpi.c index 7ffed1e8c02..0d0cf764689 100644 --- a/drivers/misc/qfw_acpi.c +++ b/drivers/misc/qfw_acpi.c @@ -7,6 +7,7 @@ #define LOG_CATEGORY UCLASS_QFW #include <acpi/acpi_table.h> +#include <bloblist.h> #include <errno.h> #include <malloc.h> #include <mapmem.h> @@ -160,6 +161,15 @@ ulong write_acpi_tables(ulong addr) struct bios_linker_entry *entry; uint32_t size; struct udevice *dev; + struct acpi_ctx *ctx; + + ctx = malloc(sizeof(*ctx)); + if (!ctx) { + printf("error: out of memory for acpi ctx\n"); + return addr; + } + + acpi_setup_ctx(ctx, addr); ret = qfw_get_dev(&dev); if (ret) { @@ -257,6 +267,29 @@ ulong acpi_get_rsdp_addr(void) return file->addr; } +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); + + if (rsdt) + rsdp->rsdt_address = nomap_to_sysmem(rsdt); + + if (xsdt) + rsdp->xsdt_address = nomap_to_sysmem(xsdt); + + rsdp->length = sizeof(struct acpi_rsdp); + rsdp->revision = ACPI_RSDP_REV_ACPI_2_0; + + /* Calculate checksums */ + rsdp->checksum = table_compute_checksum(rsdp, 20); + rsdp->ext_checksum = table_compute_checksum(rsdp, + sizeof(struct acpi_rsdp)); +} + #ifndef CONFIG_X86 static int evt_write_acpi_tables(void) { @@ -264,9 +297,9 @@ static int evt_write_acpi_tables(void) void *ptr; /* Reserve 64K for ACPI tables, aligned to a 4K boundary */ - ptr = memalign(SZ_4K, SZ_64K); + ptr = bloblist_add(BLOBLISTT_ACPI_TABLES, SZ_64K, 12); if (!ptr) - return -ENOMEM; + return -ENOBUFS; addr = map_to_sysmem(ptr); /* Generate ACPI tables */ |