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

Adding support functions to run dfu spl commands. Signed-off-by: Ravi Babu <ravibabu@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>

spl: dfu: adding dfu support functions for SPL-DFU
Adding support functions to run dfu spl commands. Signed-off-by: Ravi Babu <ravibabu@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>
B, Ravi · Marek Vasut
1 parent 05341a8764
Showing 3 changed files with 66 additions and 0 deletions Side-by-side Diff
common/spl/Makefile
common/spl/spl_dfu.c
include/spl.h
@@ -24,5 +24,6 @@
 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
+/*
+ * (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);
+}
@@ -144,5 +144,13 @@
  */
 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
...	...	@@ -24,5 +24,6 @@
24	24	obj-$(CONFIG_SPL_FAT_SUPPORT) += spl_fat.o
25	25	obj-$(CONFIG_SPL_EXT_SUPPORT) += spl_ext.o
26	26	obj-$(CONFIG_SPL_SATA_SUPPORT) += spl_sata.o
	27	+obj-$(CONFIG_SPL_DFU_SUPPORT) += spl_dfu.o
27	28	endif
	1	+/*
	2	+ * (C) Copyright 2016
	3	+ * Texas Instruments, <www.ti.com>
	4	+ *
	5	+ * Ravi B <ravibabu@ti.com>
	6	+ *
	7	+ * SPDX-License-Identifier: GPL-2.0+
	8	+ */
	9	+#include <common.h>
	10	+#include <spl.h>
	11	+#include <linux/compiler.h>
	12	+#include <errno.h>
	13	+#include <watchdog.h>
	14	+#include <console.h>
	15	+#include <g_dnl.h>
	16	+#include <usb.h>
	17	+#include <dfu.h>
	18	+#include <environment.h>
	19	+
	20	+static int run_dfu(int usb_index, char interface, char devstring)
	21	+{
	22	+ int ret;
	23	+
	24	+ ret = dfu_init_env_entities(interface, devstring);
	25	+ if (ret) {
	26	+ dfu_free_entities();
	27	+ goto exit;
	28	+ }
	29	+
	30	+ run_usb_dnl_gadget(usb_index, "usb_dnl_dfu");
	31	+exit:
	32	+ dfu_free_entities();
	33	+ return ret;
	34	+}
	35	+
	36	+int spl_dfu_cmd(int usbctrl, char dfu_alt_info, char interface, char *devstr)
	37	+{
	38	+ char *str_env;
	39	+ int ret;
	40	+
	41	+ /* set default environment */
	42	+ set_default_env(0);
	43	+ str_env = getenv(dfu_alt_info);
	44	+ if (!str_env) {
	45	+ error("\"dfu_alt_info\" env variable not defined!\n");
	46	+ return -EINVAL;
	47	+ }
	48	+
	49	+ ret = setenv("dfu_alt_info", str_env);
	50	+ if (ret) {
	51	+ error("unable to set env variable \"dfu_alt_info\"!\n");
	52	+ return -EINVAL;
	53	+ }
	54	+
	55	+ /* invoke dfu command */
	56	+ return run_dfu(usbctrl, interface, devstr);
	57	+}
...	...	@@ -144,5 +144,13 @@
144	144	*/
145	145	bool spl_was_boot_source(void);
146	146
	147	+/**
	148	+ * spl_dfu_cmd- run dfu command with chosen mmc device interface
	149	+ * @param usb_index - usb controller number
	150	+ * @param mmc_dev - mmc device nubmer
	151	+ *
	152	+ * @return 0 on success, otherwise error code
	153	+ */
	154	+int spl_dfu_cmd(int usbctrl, char dfu_alt_info, char interface, char *devstr);
147	155	#endif