diff options
Diffstat (limited to 'common/spl')
| -rw-r--r-- | common/spl/Kconfig | 6 | ||||
| -rw-r--r-- | common/spl/Makefile | 1 | ||||
| -rw-r--r-- | common/spl/spl.c | 3 | ||||
| -rw-r--r-- | common/spl/spl_sdp.c | 38 |
4 files changed, 48 insertions, 0 deletions
diff --git a/common/spl/Kconfig b/common/spl/Kconfig index 3305299721..6cdc31b591 100644 --- a/common/spl/Kconfig +++ b/common/spl/Kconfig @@ -530,6 +530,12 @@ config SPL_DFU_RAM endchoice +config SPL_USB_SDP_SUPPORT + bool "Support SDP (Serial Download Protocol)" + help + Enable Serial Download Protocol (SDP) device support in SPL. This + allows to download images into memory and execute (jump to) them + using the same protocol as implemented by the i.MX family's boot ROM. endif config SPL_WATCHDOG_SUPPORT diff --git a/common/spl/Makefile b/common/spl/Makefile index ed02635e72..69fe2cacf6 100644 --- a/common/spl/Makefile +++ b/common/spl/Makefile @@ -26,4 +26,5 @@ obj-$(CONFIG_SPL_EXT_SUPPORT) += spl_ext.o obj-$(CONFIG_SPL_SATA_SUPPORT) += spl_sata.o obj-$(CONFIG_SPL_DFU_SUPPORT) += spl_dfu.o obj-$(CONFIG_SPL_SPI_LOAD) += spl_spi.o +obj-$(CONFIG_SPL_USB_SDP_SUPPORT) += spl_sdp.o endif diff --git a/common/spl/spl.c b/common/spl/spl.c index 32b9f1e95c..8d07321784 100644 --- a/common/spl/spl.c +++ b/common/spl/spl.c @@ -319,6 +319,9 @@ struct boot_device_name boot_name_table[] = { #ifdef CONFIG_SPL_DFU_SUPPORT { BOOT_DEVICE_DFU, "USB DFU" }, #endif +#ifdef CONFIG_SPL_USB_SDP_SUPPORT + { BOOT_DEVICE_SDP, "USB SDP" }, +#endif #ifdef CONFIG_SPL_SATA_SUPPORT { BOOT_DEVICE_SATA, "SATA" }, #endif diff --git a/common/spl/spl_sdp.c b/common/spl/spl_sdp.c new file mode 100644 index 0000000000..6252a452a8 --- /dev/null +++ b/common/spl/spl_sdp.c @@ -0,0 +1,38 @@ +/* + * (C) Copyright 2016 Toradex + * Author: Stefan Agner <stefan.agner@toradex.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spl.h> +#include <usb.h> +#include <g_dnl.h> +#include <sdp.h> + +DECLARE_GLOBAL_DATA_PTR; + +static int spl_sdp_load_image(struct spl_image_info *spl_image, + struct spl_boot_device *bootdev) +{ + int ret; + + g_dnl_clear_detach(); + g_dnl_register("usb_dnl_sdp"); + + ret = sdp_init(); + if (ret) { + error("SDP init failed: %d", ret); + return -ENODEV; + } + + ret = sdp_handle(); + if (ret) { + error("SDP failed: %d", ret); + return -ENODEV; + } + + return 0; +} +SPL_LOAD_IMAGE_METHOD(0, BOOT_DEVICE_SDP, spl_sdp_load_image); |