diff options
| author | Duncan Laurie <dlaurie@google.com> | 2018-05-07 14:18:13 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-05-11 09:00:33 +0000 |
| commit | 3e7197a59edfb13c0dc8ffe47a67d744c7132c2a (patch) | |
| tree | a26d3dee561564f1f134f391e31212d83d74aae3 /src/arch/x86/acpigen.c | |
| parent | beb2af4e3512e2f1c8445417ab2fcc90ef481124 (diff) | |
acpi: Add support for writing ACPI _PLD structures
This commit adds support for writing ACPI _PLD structures that
describe the physical location of a device to the OS.
This can be used by any device with a physical connector, but is
required when defining USB ports for the OS.
A simple function is provided that generates a generic _PLD
structure for USB ports based on the USB port type.
Change-Id: Ic9cf1fd158eca80ead21b4725b37ab3c36b000f3
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/26171
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/arch/x86/acpigen.c')
| -rw-r--r-- | src/arch/x86/acpigen.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c index 867c809a45..6243d265ce 100644 --- a/src/arch/x86/acpigen.c +++ b/src/arch/x86/acpigen.c @@ -1236,6 +1236,17 @@ void acpigen_write_upc(enum acpi_upc_type type) acpigen_pop_len(); } +void acpigen_write_pld(const struct acpi_pld *pld) +{ + uint8_t buf[20]; + + if (acpi_pld_to_buffer(pld, buf, ARRAY_SIZE(buf)) < 0) + return; + + acpigen_write_name("_PLD"); + acpigen_write_byte_buffer(buf, ARRAY_SIZE(buf)); +} + void acpigen_write_dsm(const char *uuid, void (**callbacks)(void *), size_t count, void *arg) { |