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coreboot/src/lib
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Duncan Laurie c97c8904b7 UPSTREAM: gpio: Add a function to map GPIO to ACPI path 
Add a new function "gpio_acpi_path()" that can be implemented by
SoC/board code to provide a mapping from a "gpio_t" pin to a
controller by returning the ACPI path for the controller that owns
this particular GPIO.

This is implemented separately from the "acpi_name" handler as many
SOCs do not have a specific device that handles GPIOs (or may have
many devices and the only way to know which is the opaque gpio_t)
and the current GPIO library does not have any association with the
device tree.

If not implemented (many SoCs do not implement the GPIO library
abstraction at all in coreboot) then the default handler will return
NULL and the caller knows it cannot determine this reliably.

BUG=None
BRANCH=None
TEST=None

Change-Id: Iaa0ff6c8c058f00cddf0909c4b7405a0660d4cfb
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://review.coreboot.org/14842
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: build bot (Jenkins)
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/346991
Commit-Ready: Martin Roth <martinroth@chromium.org>
Tested-by: Martin Roth <martinroth@chromium.org>
Reviewed-by: Martin Roth <martinroth@chromium.org>
2016-05-26 03:21:47 -07:00
..
b64_decode.c lib: add base64 decoder 2015-04-22 08:50:54 +02:00
boot_device.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
bootblock.c UPSTREAM: lib/bootblock: Provide mechanism to pass in an early timestamp 2016-05-26 03:21:37 -07:00
bootmem.c lib/bootmem: allow architecture specific bootmem ranges 2016-04-21 20:46:45 +02:00
bootmode.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
cbfs.c lib/cbfs: Use fmap derived information about the COREBOOT region 2016-05-03 19:00:36 +02:00
cbfs_spi.c memlayout: Fix unified CBFS_CACHE macro 2016-01-21 09:05:06 +01:00
cbmem_common.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
cbmem_console.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
cbmem_stage_cache.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
compute_ip_checksum.c
coreboot_table.c coreboot_tables: Extend serial port description 2016-05-09 17:21:22 +02:00
debug.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
delay.c
edid.c edid: Make framebuffer row alignment configurable 2016-04-07 20:46:38 +02:00
ext_stage_cache.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
fallback_boot.c drivers/pc80: Rework normal / fallback selector code 2015-11-03 21:55:20 +01:00
fmap.c lib: remove FLASHMAP_OFFSET config variable 2016-05-11 21:32:44 +02:00
gcc.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
gcov-glue.c lib/gcov-glue.c: Remove trailing number from COVERAGE_MAGIC macro 2016-02-02 01:39:28 +01:00
gcov-io.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
gcov-io.h tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
gcov-iov.h
generic_dump_spd.c
generic_sdram.c
gpio.c UPSTREAM: gpio: Add a function to map GPIO to ACPI path 2016-05-26 03:21:47 -07:00
halt.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
hardwaremain.c lib: Add Kconfig to toggle boot state debugging 2016-02-18 00:01:14 +01:00
hexdump.c lib/hexdump: Refactor to skip lines with all ones as well 2016-01-22 14:10:28 +01:00
hexstrtobin.c UPSTREAM: hexstrtobin: Add a library function to decode ASCII hex into binary 2016-05-26 03:21:43 -07:00
imd.c Correct some common spelling mistakes 2016-01-07 22:57:02 +01:00
imd_cbmem.c cbmem: Fix cbmem_add_bootmem() 2016-03-11 09:52:46 +01:00
jpeg.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
jpeg.h tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
libgcc.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
libgcov.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
lzma.c cbfs: Add LZ4 in-place decompression support for pre-RAM stages 2016-02-22 21:38:37 +01:00
lzmadecode.c lzma: Port size-checking ulzman() version to coreboot 2016-02-12 22:00:55 +01:00
lzmadecode.h
Makefile.inc UPSTREAM: hexstrtobin: Add a library function to decode ASCII hex into binary 2016-05-26 03:21:43 -07:00
malloc.c Remove leftover smi_get_tseg_base 2015-05-29 07:06:37 +02:00
memchr.c
memcmp.c
memcpy.c
memmove.c
memrange.c lib/memrange: avoid shadow object declarations 2016-02-26 02:14:56 +01:00
memset.c
mocked_tlcl.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
nhlt.c nhlt: add api to override oem_id and oem_table_id of acpi_header_t 2016-02-09 13:21:39 +01:00
primitive_memtest.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
prog_loaders.c lib/prog_loaders: Allow platforms to skip stage cache 2016-05-09 05:02:22 +02:00
prog_ops.c lib/prog_loading: introduce prog_segment_loaded() 2016-04-02 03:56:37 +02:00
program.ld program.ld: Don't exclude sbe region from verstage 2016-05-20 22:21:32 +00:00
ramtest.c
reg_script.c lib/reg_script: Fix braces 2016-05-05 19:41:29 +02:00
rmodule.c lib/prog_loading: introduce prog_segment_loaded() 2016-04-02 03:56:37 +02:00
rmodule.ld rmodule: use program.ld for linking 2015-09-09 19:35:30 +00:00
selfboot.c ensure correct byte ordering for cbfs segment list 2016-04-25 23:30:00 +02:00
stack.c lib/stack: Add stack overrun detection 2015-10-24 05:57:33 +02:00
thread.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
timer.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
timer_queue.c tree: drop last paragraph of GPL copyright header 2015-10-31 21:37:39 +01:00
timestamp.c UPSTREAM: lib/timestamp: Do not initialize cache in timestamp_cache_get() 2016-05-26 03:21:36 -07:00
tlcl.c chromeos: vboot2: Add TPM PCR extension support 2015-04-20 17:06:28 +02:00
tlcl_internal.h
tlcl_structures.h
tpm_error_messages.h
trace.c src/lib/trace.c: Make address size generic 2016-03-10 17:28:26 +01:00
version.c
wrdd.c lib: Implement framework for retrieving WiFi regulatory domain 2016-03-08 18:41:33 +01:00