diff options
| author | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2023-12-19 16:04:04 +0100 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2024-01-07 13:49:15 -0700 |
| commit | 638cc363484b2b8f95b2160b1fae84398df10dd1 (patch) | |
| tree | cd2cec3a8195be8e4b5bd799e0ee92ac1f84b564 | |
| parent | b7d029bb8ac0768e922b0de4dcedc38bccfd8545 (diff) | |
acpi: enable writing ACPI tables on QEMU
Invoke write_acpi_tables() via EVT_LAST_STAGE_INIT on QEMU except on X86.
X86 calls write_acpi_tables() in write_tables().
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/misc/qfw_acpi.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/misc/qfw_acpi.c b/drivers/misc/qfw_acpi.c index 6e14b2a504..7ffed1e8c0 100644 --- a/drivers/misc/qfw_acpi.c +++ b/drivers/misc/qfw_acpi.c @@ -9,9 +9,11 @@ #include <acpi/acpi_table.h> #include <errno.h> #include <malloc.h> +#include <mapmem.h> #include <qfw.h> #include <tables_csum.h> #include <stdio.h> +#include <linux/sizes.h> #include <asm/byteorder.h> #include <asm/global_data.h> @@ -254,3 +256,26 @@ ulong acpi_get_rsdp_addr(void) file = qfw_find_file(dev, "etc/acpi/rsdp"); return file->addr; } + +#ifndef CONFIG_X86 +static int evt_write_acpi_tables(void) +{ + ulong addr, end; + void *ptr; + + /* Reserve 64K for ACPI tables, aligned to a 4K boundary */ + ptr = memalign(SZ_4K, SZ_64K); + if (!ptr) + return -ENOMEM; + addr = map_to_sysmem(ptr); + + /* Generate ACPI tables */ + end = write_acpi_tables(addr); + gd->arch.table_start = addr; + gd->arch.table_end = addr; + + return 0; +} + +EVENT_SPY_SIMPLE(EVT_LAST_STAGE_INIT, evt_write_acpi_tables); +#endif |