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authorVignesh Raghavendra <vigneshr@ti.com>2020-01-27 17:59:24 +0530
committerLokesh Vutla <lokeshvutla@ti.com>2020-02-04 09:07:24 +0530
commite15b6e35b174d6b3aafaab4c30f4c3ff5460bb16 (patch)
tree9ca7d799d24c1a0dd3c357f2eb559b68b78894e7
parenteabd5910156b4ca605bd85f0da5ddd0219f01e3a (diff)
arm: mach-k3: sysfw-loader: Add support to download SYSFW via DFU
Add support to download SYSFW into internal RAM via DFU in DFU boot mode. Prepare a DFU config entity entry dynamically using buffer address allocated for SYSFW and start DFU gadget to get SYSFW. Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
-rw-r--r--arch/arm/mach-k3/sysfw-loader.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/sysfw-loader.c b/arch/arm/mach-k3/sysfw-loader.c
index 5903bbe12a..94dbeb9437 100644
--- a/arch/arm/mach-k3/sysfw-loader.c
+++ b/arch/arm/mach-k3/sysfw-loader.c
@@ -11,6 +11,10 @@
#include <malloc.h>
#include <remoteproc.h>
#include <linux/soc/ti/ti_sci_protocol.h>
+#include <g_dnl.h>
+#include <usb.h>
+#include <dfu.h>
+
#include <asm/arch/sys_proto.h>
#include "common.h"
@@ -172,6 +176,27 @@ static void k3_sysfw_configure_using_fit(void *fit,
ret);
}
+#if CONFIG_IS_ENABLED(DFU)
+static int k3_sysfw_dfu_download(void *addr)
+{
+ char dfu_str[50];
+ int ret;
+
+ sprintf(dfu_str, "sysfw.itb ram 0x%p 0x%x", addr,
+ CONFIG_K3_SYSFW_IMAGE_SIZE_MAX);
+ ret = dfu_config_entities(dfu_str, "ram", "0");
+ if (ret) {
+ dfu_free_entities();
+ goto exit;
+ }
+
+ run_usb_dnl_gadget(0, "usb_dnl_dfu");
+exit:
+ dfu_free_entities();
+ return ret;
+}
+#endif
+
void k3_sysfw_loader(void (*config_pm_done_callback)(void))
{
struct spl_image_info spl_image = { 0 };
@@ -236,6 +261,11 @@ void k3_sysfw_loader(void (*config_pm_done_callback)(void))
ret = spl_ymodem_load_image(&spl_image, &bootdev);
break;
#endif
+#if CONFIG_IS_ENABLED(DFU)
+ case BOOT_DEVICE_DFU:
+ ret = k3_sysfw_dfu_download(sysfw_load_address);
+ break;
+#endif
default:
panic("Loading SYSFW image from device %u not supported!\n",
bootdev.boot_device);