Adding support functions to run dfu commands
with support for eMMC/MMC/SD memory device.
Signed-off-by: Ravi Babu <ravib...@ti.com>
---
drivers/dfu/dfu.c | 28 ++++++++++++++++++++++++++++
drivers/dfu/dfu_mmc.c | 28 ++++++++++++++++++++++++++++
include/dfu.h | 8 ++++++++
3 files changed, 64 insertions(+)
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
index 20dfcbb..1d4690b 100644
--- a/drivers/dfu/dfu.c
+++ b/drivers/dfu/dfu.c
@@ -16,6 +16,7 @@
#include <hash.h>
#include <linux/list.h>
#include <linux/compiler.h>
+#include <environment.h>
static LIST_HEAD(dfu_list);
static int dfu_alt_num;
@@ -596,3 +597,30 @@ int dfu_write_from_mem_addr(struct dfu_entity *dfu, void
*buf, int size)
return ret;
}
+
+int dfu_run_cmd(char *dfu_alt_info, char *dfu_cmd_str)
+{
+ 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 */
+ ret = run_command(dfu_cmd_str, 0);
+ if (ret)
+ error("dfu: error = %d\n", ret);
+
+ return ret;
+}
diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c
index faece88..28517e8 100644
--- a/drivers/dfu/dfu_mmc.c
+++ b/drivers/dfu/dfu_mmc.c
@@ -15,6 +15,7 @@
#include <ext4fs.h>
#include <fat.h>
#include <mmc.h>
+#include <environment.h>
static unsigned char *dfu_file_buf;
static long dfu_file_buf_len;
@@ -401,3 +402,30 @@ int dfu_fill_entity_mmc(struct dfu_entity *dfu, char
*devstr, char *s)
return 0;
}
+
+int dfu_run_mmc(int usb_index, int mmc_dev, char *dfu_alt_info)
+{
+ char cmd_buf[DFU_CMD_BUF_SIZE];
+ struct mmc *mmcdev;
+ struct mmc **mmc = &mmcdev;
+ int device = mmc_dev;
+ int ret;
+
+ /* initialize the mmc module */
+ mmc_initialize(0);
+
+ *mmc = find_mmc_device(device);
+ if (!*mmc) {
+ error("failed to find mmc device %d\n", device);
+ return -ENODEV;
+ }
+
+ ret = mmc_init(*mmc);
+ if (ret) {
+ error("spl: mmc init failed with error: %d\n", ret);
+ return ret;
+ }
+
+ sprintf(cmd_buf, "dfu %d mmc %d", usb_index, device);
+ return dfu_run_cmd(dfu_alt_info, cmd_buf);
+}
diff --git a/include/dfu.h b/include/dfu.h
index f39d3f1..0bc75bc 100644
--- a/include/dfu.h
+++ b/include/dfu.h
@@ -274,4 +274,12 @@ static inline int dfu_tftp_write(char *dfu_entity_name,
unsigned int addr,
#endif
int dfu_add(struct usb_configuration *c);
+/* dfu_run_umc - 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 dfu_run_mmc(int usb_index, int mmc_dev, char *dfu_alt_info);
+int dfu_run_cmd(char *dfu_alt_info, char *dfu_cmd_str);
#endif /* __DFU_ENTITY_H_ */
--
1.7.9.5
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