diff options
| -rw-r--r-- | common/spl/Makefile | 1 | ||||
| -rw-r--r-- | common/spl/spl_dfu.c | 57 | ||||
| -rw-r--r-- | include/spl.h | 8 |
3 files changed, 66 insertions, 0 deletions
diff --git a/common/spl/Makefile b/common/spl/Makefile index b15f0f6dcd..5bd0b1841e 100644 --- a/common/spl/Makefile +++ b/common/spl/Makefile @@ -24,4 +24,5 @@ obj-$(CONFIG_SPL_USB_SUPPORT) += spl_usb.o obj-$(CONFIG_SPL_FAT_SUPPORT) += spl_fat.o obj-$(CONFIG_SPL_EXT_SUPPORT) += spl_ext.o obj-$(CONFIG_SPL_SATA_SUPPORT) += spl_sata.o +obj-$(CONFIG_SPL_DFU_SUPPORT) += spl_dfu.o endif diff --git a/common/spl/spl_dfu.c b/common/spl/spl_dfu.c new file mode 100644 index 0000000000..e8d0ba18e6 --- /dev/null +++ b/common/spl/spl_dfu.c @@ -0,0 +1,57 @@ +/* + * (C) Copyright 2016 + * Texas Instruments, <www.ti.com> + * + * Ravi B <ravibabu@ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <spl.h> +#include <linux/compiler.h> +#include <errno.h> +#include <watchdog.h> +#include <console.h> +#include <g_dnl.h> +#include <usb.h> +#include <dfu.h> +#include <environment.h> + +static int run_dfu(int usb_index, char *interface, char *devstring) +{ + int ret; + + ret = dfu_init_env_entities(interface, devstring); + if (ret) { + dfu_free_entities(); + goto exit; + } + + run_usb_dnl_gadget(usb_index, "usb_dnl_dfu"); +exit: + dfu_free_entities(); + return ret; +} + +int spl_dfu_cmd(int usbctrl, char *dfu_alt_info, char *interface, char *devstr) +{ + char *str_env; + int ret; + + /* set default environment */ + set_default_env(0); + str_env = getenv(dfu_alt_info); + if (!str_env) { + error("\"dfu_alt_info\" env variable not defined!\n"); + return -EINVAL; + } + + ret = setenv("dfu_alt_info", str_env); + if (ret) { + error("unable to set env variable \"dfu_alt_info\"!\n"); + return -EINVAL; + } + + /* invoke dfu command */ + return run_dfu(usbctrl, interface, devstr); +} diff --git a/include/spl.h b/include/spl.h index 8afa0856c5..30eda36fef 100644 --- a/include/spl.h +++ b/include/spl.h @@ -144,4 +144,12 @@ void spl_board_init(void); */ bool spl_was_boot_source(void); +/** + * spl_dfu_cmd- run dfu command with chosen mmc device interface + * @param usb_index - usb controller number + * @param mmc_dev - mmc device nubmer + * + * @return 0 on success, otherwise error code + */ +int spl_dfu_cmd(int usbctrl, char *dfu_alt_info, char *interface, char *devstr); #endif |