diff options
Diffstat (limited to 'common/cmd_usb.c')
| -rw-r--r-- | common/cmd_usb.c | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/common/cmd_usb.c b/common/cmd_usb.c index c192498..27813f0 100644 --- a/common/cmd_usb.c +++ b/common/cmd_usb.c @@ -441,6 +441,26 @@ static int do_usb_stop_keyboard(int force) return 0; } +static void do_usb_start(void) +{ + bootstage_mark_name(BOOTSTAGE_ID_USB_START, "usb_start"); + + if (usb_init() < 0) + return; + +#ifdef CONFIG_USB_STORAGE + /* try to recognize storage devices immediately */ + usb_stor_curr_dev = usb_stor_scan(1); +#endif +#ifdef CONFIG_USB_HOST_ETHER + /* try to recognize ethernet devices immediately */ + usb_ether_curr_dev = usb_host_eth_scan(1); +#endif +#ifdef CONFIG_USB_KEYBOARD + drv_usb_kbd_init(); +#endif +} + /****************************************************************************** * usb command intepreter */ @@ -457,26 +477,20 @@ static int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) if (argc < 2) return CMD_RET_USAGE; - if ((strncmp(argv[1], "reset", 5) == 0) || - (strncmp(argv[1], "start", 5) == 0)) { - bootstage_mark_name(BOOTSTAGE_ID_USB_START, "usb_start"); + if (strncmp(argv[1], "start", 5) == 0) { + if (usb_started) + return 0; /* Already started */ + printf("starting USB...\n"); + do_usb_start(); + return 0; + } + + if (strncmp(argv[1], "reset", 5) == 0) { + printf("resetting USB...\n"); if (do_usb_stop_keyboard(1) != 0) return 1; usb_stop(); - printf("(Re)start USB...\n"); - if (usb_init() >= 0) { -#ifdef CONFIG_USB_STORAGE - /* try to recognize storage devices immediately */ - usb_stor_curr_dev = usb_stor_scan(1); -#endif -#ifdef CONFIG_USB_HOST_ETHER - /* try to recognize ethernet devices immediately */ - usb_ether_curr_dev = usb_host_eth_scan(1); -#endif -#ifdef CONFIG_USB_KEYBOARD - drv_usb_kbd_init(); -#endif - } + do_usb_start(); return 0; } if (strncmp(argv[1], "stop", 4) == 0) { |