diff options
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r-- | drivers/usb/gadget/bcb.h | 9 | ||||
-rw-r--r-- | drivers/usb/gadget/command.c | 47 | ||||
-rw-r--r-- | drivers/usb/gadget/f_fastboot.c | 70 |
3 files changed, 76 insertions, 50 deletions
diff --git a/drivers/usb/gadget/bcb.h b/drivers/usb/gadget/bcb.h index f0bd83b..705c572 100644 --- a/drivers/usb/gadget/bcb.h +++ b/drivers/usb/gadget/bcb.h @@ -9,6 +9,11 @@ #include <linux/types.h> #include <linux/stat.h> +#define FASTBOOT_BCB_CMD "bootonce-bootloader" +#ifdef CONFIG_ANDROID_RECOVERY +#define RECOVERY_BCB_CMD "boot-recovery" +#endif + /* keep same as bootable/recovery/bootloader.h */ struct bootloader_message { char command[32]; @@ -49,4 +54,8 @@ int rw_block(bool bread, char **ppblock, uint *pblksize, char *pblock_write, uint offset, uint size); void set_mmc_id(unsigned int id); + +int bcb_write_command(char *bcb_command); + +int bcb_read_command(char *command); #endif diff --git a/drivers/usb/gadget/command.c b/drivers/usb/gadget/command.c index 3af3fcf..686065a 100644 --- a/drivers/usb/gadget/command.c +++ b/drivers/usb/gadget/command.c @@ -9,8 +9,7 @@ #include "bcb.h" #ifndef CONFIG_FASTBOOT_STORAGE_NAND -static char command[32]; -static int read_command(char *command) +int bcb_read_command(char *command) { int ret = 0; char *p_block = NULL; @@ -31,7 +30,8 @@ static int read_command(char *command) return 0; } -static int write_command(char *bcb_command) + +int bcb_write_command(char *bcb_command) { int ret = 0; char *p_block = NULL; @@ -61,45 +61,4 @@ static int write_command(char *bcb_command) free(p_block); return 0; } - -int recovery_check_and_clean_command(void) -{ - int ret; - ret = read_command(command); - if (ret < 0) { - printf("read command failed\n"); - return 0; - } - if (!strcmp(command, "boot-recovery")) { - memset(command, 0, 32); - write_command(command); - return 1; - } - return 0; -} -int fastboot_check_and_clean_command(void) -{ - int ret; - ret = read_command(command); - if (ret < 0) { - printf("read command failed\n"); - return 0; - } - if (!strcmp(command, "boot-bootloader")) { - memset(command, 0, 32); - write_command(command); - return 1; - } - - return 0; -} -#else -int recovery_check_and_clean_command(void) -{ - return 0; -} -int fastboot_check_and_clean_command(void) -{ - return 0; -} #endif diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c index 26af6b5..00b6c8e 100644 --- a/drivers/usb/gadget/f_fastboot.c +++ b/drivers/usb/gadget/f_fastboot.c @@ -1742,21 +1742,79 @@ void fastboot_setup(void) /*load partitions information for the fastboot dev*/ _fastboot_load_partitions(); - /*check if we need to setup recovery*/ + parameters_setup(); +} + +/* Write the bcb with fastboot bootloader commands */ +static void enable_fastboot_command(void) +{ + char fastboot_command[32]; + memcpy(fastboot_command, FASTBOOT_BCB_CMD, 32); + bcb_write_command(fastboot_command); +} + +/* Get the Boot mode from BCB cmd or Key pressed */ +static FbBootMode fastboot_get_bootmode(void) +{ + int ret = 0; + int boot_mode = BOOTMODE_NORMAL; + char command[32]; + #ifdef CONFIG_ANDROID_RECOVERY - check_recovery_mode(); + if(is_recovery_key_pressing()) { + boot_mode = BOOTMODE_RECOVERY_KEY_PRESSED; + return boot_mode; + } #endif - parameters_setup(); + ret = bcb_read_command(command); + if (ret < 0) { + printf("read command failed\n"); + return boot_mode; + } + if (!strcmp(command, FASTBOOT_BCB_CMD)) { + memset(command, 0, 32); + bcb_write_command(command); + boot_mode = BOOTMODE_FASTBOOT_BCB_CMD; + } +#ifdef CONFIG_ANDROID_RECOVERY + else if (!strcmp(command, RECOVERY_BCB_CMD)) { + memset(command, 0, 32); + bcb_write_command(command); + boot_mode = BOOTMODE_RECOVERY_BCB_CMD; + } +#endif + + return boot_mode; } /* export to lib_arm/board.c */ -void check_fastboot(void) +void fastboot_run_bootmode(void) { - if (fastboot_check_and_clean_flag()) + FbBootMode boot_mode = fastboot_get_bootmode(); + switch(boot_mode){ + case BOOTMODE_FASTBOOT_BCB_CMD: + /* Make the boot into fastboot mode*/ + puts("Fastboot: Got bootloader commands!\n"); run_command("fastboot", 0); + break; +#ifdef CONFIG_ANDROID_RECOVERY + case BOOTMODE_RECOVERY_BCB_CMD: + case BOOTMODE_RECOVERY_KEY_PRESSED: + /* Make the boot into recovery mode */ + puts("Fastboot: Got Recovery key pressing or recovery commands!\n"); + board_recovery_setup(); + break; +#endif + default: + /* skip special mode boot*/ + puts("Fastboot: Normal\n"); + break; + } } + + #ifdef CONFIG_CMD_BOOTA /* Section for Android bootimage format support * Refer: @@ -3093,7 +3151,7 @@ static void cb_reboot_bootloader(struct usb_ep *ep, struct usb_request *req) fastboot_tx_write_str("OKAY"); udelay(1000000); - fastboot_enable_flag(); + enable_fastboot_command(); do_reset(NULL, 0, 0, NULL); } #endif |