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spl: dfu: adding dfu support functions for SPL-DFU

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Adding support functions to run dfu spl commands.

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
B, Ravi 2016-07-28 17:39:16 +05:30 committed by Marek Vasut
parent 05341a8764
commit 52f2acc5e0
3 changed files with 66 additions and 0 deletions
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1
common/spl/Makefile
View File

@ -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

57
common/spl/spl_dfu.c Normal file
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@ -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);
}

8
include/spl.h
View File

@ -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