diff options
| author | Vignesh Raghavendra <vigneshr@ti.com> | 2020-01-27 17:59:24 +0530 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2020-02-04 09:07:24 +0530 |
| commit | e15b6e35b174d6b3aafaab4c30f4c3ff5460bb16 (patch) | |
| tree | 9ca7d799d24c1a0dd3c357f2eb559b68b78894e7 /arch/arm/mach-k3 | |
| parent | eabd5910156b4ca605bd85f0da5ddd0219f01e3a (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>
Diffstat (limited to 'arch/arm/mach-k3')
| -rw-r--r-- | arch/arm/mach-k3/sysfw-loader.c | 30 |
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); |