diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/common/Makefile | 3 | ||||
| -rw-r--r-- | board/freescale/common/recovery.c | 78 |
2 files changed, 81 insertions, 0 deletions
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile index d844831..66cdf0c 100644 --- a/board/freescale/common/Makefile +++ b/board/freescale/common/Makefile @@ -65,6 +65,9 @@ obj-$(CONFIG_POWER_MC34VR500) += mc34vr500.o obj-$(CONFIG_DM_PMIC_PFUZE100) += pfuze_dm.o obj-$(CONFIG_MXC_EPDC) += epdc_setup.o obj-y += mmc.o +ifdef CONFIG_FSL_FASTBOOT +obj-${CONFIG_ANDROID_RECOVERY} += recovery.o +endif obj-$(CONFIG_LS102XA_STREAM_ID) += ls102xa_stream_id.o diff --git a/board/freescale/common/recovery.c b/board/freescale/common/recovery.c new file mode 100644 index 0000000..396bc73 --- /dev/null +++ b/board/freescale/common/recovery.c @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2010-2016 Freescale Semiconductor, Inc. All Rights Reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <malloc.h> +#include <recovery.h> +#ifdef CONFIG_MXC_KPD +#include <mxc_keyb.h> +#endif +#include <asm/imx-common/boot_mode.h> + +#ifdef CONFIG_MXC_KPD +#define PRESSED_VOL_DOWN 0x01 +#define PRESSED_POWER 0x02 +#define RECOVERY_KEY_MASK (PRESSED_VOL_DOWN | PRESSED_POWER) + +inline int test_key(int value, struct kpp_key_info *ki) +{ + return (ki->val == value) && (ki->evt == KDepress); +} + +int check_key_pressing(void) +{ + struct kpp_key_info *key_info = NULL; + int state = 0, keys, i; + + int ret = 0; + + mxc_kpp_init(); + /* due to glitch suppression circuit, + wait sometime to let all keys scanned. */ + udelay(1000); + keys = mxc_kpp_getc(&key_info); + + printf("Detecting VOL_DOWN+POWER key for recovery(%d:%d) ...\n", + keys, keys ? key_info->val : 0); + if (keys > 1) { + for (i = 0; i < keys; i++) { + if (test_key(CONFIG_POWER_KEY, &key_info[i])) + state |= PRESSED_POWER; + else if (test_key(CONFIG_VOL_DOWN_KEY, &key_info[i])) + state |= PRESSED_VOL_DOWN; + } + } + if ((state & RECOVERY_KEY_MASK) == RECOVERY_KEY_MASK) + ret = 1; + if (key_info) + free(key_info); + return ret; +} +#else +/* If not using mxc keypad, currently we will detect power key on board */ +int check_key_pressing(void) +{ + return 0; +} +#endif + +void setup_recovery_env(void) +{ + board_recovery_setup(); +} + +/* export to lib_arm/board.c */ +void check_recovery_mode(void) +{ + if (check_key_pressing()) { + puts("Fastboot: Recovery key pressing got!\n"); + setup_recovery_env(); + } else if (check_recovery_cmd_file()) { + puts("Fastboot: Recovery command file found!\n"); + setup_recovery_env(); + } else { + puts("Fastboot: Normal\n"); + } +} |