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u-boot/common
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Caleb Connolly e761035b64 boot: add support for button commands 
With the relatively new button API in U-Boot, it's now much easier to
model the common usecase of mapping arbitrary actions to different
buttons during boot - for example entering fastboot mode, setting some
additional kernel cmdline arguments, or booting with a custom recovery
ramdisk, to name a few.

Historically, this functionality has been implemented in board code,
making it fixed for a given U-Boot binary and requiring the code be
duplicated and modified for every board.

Implement a generic abstraction to run an arbitrary command during boot
when a specific button is pressed. The button -> command mapping is
configured via environment variables with the following format:

  button_cmd_N_name=<button label>
  button_cmd_N=<command to run>

Where N is the mapping number starting from 0. For example:

  button_cmd_0_name=vol_down
  button_cmd_0=fastboot usb 0

This will cause the device to enter fastboot mode if volume down is held
during boot.

After we enter the cli loop the button commands are no longer valid,
this allows the buttons to additionally be used for navigating a boot
menu.

Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # Tegra30
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
2024-02-13 15:38:49 -05:00
..
eeprom SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
init spl: Use SYS_MALLOC_F instead of SYS_MALLOC_F_LEN 2023-10-06 14:38:12 -04:00
spl spl: Make SPL_STACK available for ROCKCHIP_RK3036 without spl framework 2024-02-04 18:01:03 +08:00
autoboot.c autoboot: Rework CONFIG_AUTOBOOT_STOP_STR_* usage 2023-01-20 12:27:06 -05:00
avb_verify.c common: avb_verify: prevent opening incorrect session 2023-02-17 10:51:28 -05:00
bloblist.c bloblist: Add alignment to bloblist_new() 2023-12-31 07:21:02 -07:00
board_f.c video: Skip framebuffer reservation if already reserved 2024-01-29 14:49:17 -05:00
board_info.c sysinfo: Allow displaying more info on startup 2023-11-28 12:53:04 -05:00
board_r.c scsi: Forceably finish migration to DM_SCSI 2023-11-07 18:36:06 -05:00
bootstage.c bootstage: Correct exhasuted typo 2023-11-14 20:04:01 -07:00
bouncebuf.c common: bouncebuf: Add missing cast to dma_addr_t 2023-08-22 15:17:52 -04:00
button_cmd.c boot: add support for button commands 2024-02-13 15:38:49 -05:00
cli.c cli: add modern hush as parser for run_command*() 2023-12-28 12:02:56 -05:00
cli_getch.c cli: Consume invalid escape sequences early 2023-10-24 16:34:45 -04:00
cli_hush.c common: hush: Remove unused NEEDS_MANUAL_RELOC code bits 2023-09-14 10:42:24 -04:00
cli_hush_modern.c Merge patch series "Modernize U-Boot shell" 2023-12-28 14:38:25 -05:00
cli_hush_upstream.c cli: modern_hush: Add upstream commits up to 2nd October 2023. 2023-12-28 12:02:56 -05:00
cli_readline.c getchar(): Correct usage 2024-01-18 20:24:13 -05:00
cli_simple.c cli_simple: Rework this support slightly 2023-11-07 14:48:51 -05:00
command.c cmd/command.c: relax length check in cmd_get_data_size() 2024-01-16 17:05:29 -05:00
console.c common: console: Fix print complete stdio device list 2024-01-24 11:12:11 -05:00
cros_ec.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
cyclic.c cyclic: get rid of cyclic_init() 2022-11-02 08:42:03 +01:00
ddr_spd.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
dfu.c common: Drop linux/printk.h from common header 2023-09-24 09:54:57 -04:00
dlmalloc.c malloc: Enable assertions if UNIT_TEST is enabled 2023-10-11 13:22:29 -04:00
dlmalloc.src Consolidate bool type 2013-04-01 16:33:52 -04:00
edid.c doc: replace @return by Return: 2022-01-19 18:11:34 +01:00
event.c common: event: check event_type_name() argument 2024-02-06 16:31:06 -05:00
exports.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
flash.c Audit <flash.h> inclusion 2022-08-04 16:18:47 -04:00
hash.c common: hash: Remove unused NEEDS_MANUAL_RELOC code bits 2023-09-14 10:42:24 -04:00
hwconfig.c hwconfig: Allow to use restricted env 2022-08-20 18:12:51 -04:00
iomux.c IOMUX: Fix buffer overflow in iomux_replace_device() 2021-04-27 08:05:30 -04:00
iotrace.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
kallsyms.c global: Convert simple_strtoul() with hex to hextoul() 2021-08-02 13:32:14 -04:00
Kconfig Kconfig: Move CONFIG_SYS_[CP]BSIZE to common/Kconfig 2023-11-07 14:48:19 -05:00
kgdb.c common: board_r: drop initr_kgdb wrapper 2022-01-18 08:31:02 -05:00
kgdb_stubs.c common: Drop asm/ptrace.h from common header 2020-05-18 21:19:23 -04:00
log.c log: Tidy up an ambiguous comment 2023-07-17 17:12:07 +08:00
log_console.c log: Support outputing function names in SPL 2023-07-17 17:23:15 +08:00
log_syslog.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
main.c boot: add support for button commands 2024-02-13 15:38:49 -05:00
Makefile boot: add support for button commands 2024-02-13 15:38:49 -05:00
malloc_simple.c malloc: Annotate allocator for valgrind 2022-04-11 10:00:30 -04:00
memsize.c common/memsize.c: Fix get_ram_size() when cache is enabled 2023-06-21 16:54:25 -04:00
menu.c menu: Re-enable the ANSI codes 2023-06-23 14:38:16 -04:00
miiphyutil.c Convert CONFIG_PHY_RESET_DELAY to Kconfig 2022-03-25 12:01:15 +00:00
qfw.c qemu: Move qfw kernel setup into a common file 2023-02-06 13:04:53 -05:00
s_record.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
scp03.c common: SCP03 control (enable and provision of keys) 2021-03-13 13:14:52 -05:00
splash.c common: Replace #ifdef and #if with if's 2023-04-24 21:37:45 +02:00
splash_source.c common: splash_source: Don't compile ubifs splash cmd for SPL build 2024-01-29 14:50:05 -05:00
stackprot.c Fix stack-protector for powerpc 2023-11-29 09:32:15 -05:00
stdio.c stdio: fix stdio_deregister_dev() 2023-10-09 15:24:31 -04:00
system_map.c
update.c common: Drop linux/printk.h from common header 2023-09-24 09:54:57 -04:00
usb.c usb: Tidy up the usb_start flag 2023-05-13 09:52:32 -04:00
usb_hub.c common: usb-hub: Reset hub port before scanning 2024-01-22 12:49:03 -05:00
usb_kbd.c cyclic: Use schedule() instead of WATCHDOG_RESET() 2022-09-18 10:26:33 +02:00
usb_onboard_hub.c usb: onboard-hub: add driver to manage onboard hub supplies 2023-01-12 16:19:53 +01:00
usb_storage.c usb: storage: Use the correct CBW lengths 2023-12-01 14:06:12 +01:00
version.c version: Separate our version string from the version command 2023-11-07 14:48:19 -05:00
xyzModem.c cyclic: Use schedule() instead of WATCHDOG_RESET() 2022-09-18 10:26:33 +02:00