board: rpi: Enable capsule updates

Since RPI works well using EFI and has no size limitations with regards
to U-Boot, add the needed structures to support capsule updates.

While at it update the most commonly used defconfigs and include capsule
support and U-Boot commands needed by EFI

Tested-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index 5b6df53b..18be244 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -68,6 +68,19 @@
 	u32 end_tag;
 };
 
+struct efi_fw_image fw_images[] = {
+	{
+		.fw_name = u"RPI_UBOOT",
+		.image_index = 1,
+	},
+};
+
+struct efi_capsule_update_info update_info = {
+	.dfu_string = "mmc 0=u-boot.bin fat 0 1",
+	.num_images = ARRAY_SIZE(fw_images),
+	.images = fw_images,
+};
+
 #ifdef CONFIG_ARM64
 #define DTB_DIR "broadcom/"
 #else
diff --git a/configs/rpi_3_b_plus_defconfig b/configs/rpi_3_b_plus_defconfig
index 3c8f8fc..a6a8431 100644
--- a/configs/rpi_3_b_plus_defconfig
+++ b/configs/rpi_3_b_plus_defconfig
@@ -19,14 +19,19 @@
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_MISC_INIT_R=y
 CONFIG_SYS_PROMPT="U-Boot> "
+CONFIG_CMD_NVEDIT_EFI=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_EFIDEBUG=y
 CONFIG_CMD_FS_UUID=y
 CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_TFTP_TSIZE=y
+CONFIG_DFU_MMC=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x100000
+CONFIG_SYS_DFU_MAX_FILE_SIZE=0x200000
 CONFIG_BCM2835_GPIO=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_BCM2835=y
@@ -49,3 +54,6 @@
 CONFIG_VIDEO_BCM2835=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
+# CONFIG_HEXDUMP is not set
+CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
+CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y
diff --git a/configs/rpi_3_defconfig b/configs/rpi_3_defconfig
index 9853c44..358096f 100644
--- a/configs/rpi_3_defconfig
+++ b/configs/rpi_3_defconfig
@@ -19,14 +19,19 @@
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_MISC_INIT_R=y
 CONFIG_SYS_PROMPT="U-Boot> "
+CONFIG_CMD_NVEDIT_EFI=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_EFIDEBUG=y
 CONFIG_CMD_FS_UUID=y
 CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_TFTP_TSIZE=y
+CONFIG_DFU_MMC=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x100000
+CONFIG_SYS_DFU_MAX_FILE_SIZE=0x200000
 CONFIG_BCM2835_GPIO=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_BCM2835=y
@@ -49,3 +54,6 @@
 CONFIG_VIDEO_BCM2835=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
+# CONFIG_HEXDUMP is not set
+CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
+CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y
diff --git a/configs/rpi_4_defconfig b/configs/rpi_4_defconfig
index f5fb322..17b6688 100644
--- a/configs/rpi_4_defconfig
+++ b/configs/rpi_4_defconfig
@@ -20,11 +20,13 @@
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_MISC_INIT_R=y
 CONFIG_SYS_PROMPT="U-Boot> "
+CONFIG_CMD_NVEDIT_EFI=y
 CONFIG_CMD_DFU=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_PCI=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_EFIDEBUG=y
 CONFIG_CMD_FS_UUID=y
 CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
@@ -65,3 +67,6 @@
 CONFIG_VIDEO_BCM2835=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
+# CONFIG_HEXDUMP is not set
+CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
+CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y
diff --git a/configs/rpi_arm64_defconfig b/configs/rpi_arm64_defconfig
index 02f942c..a8723ea 100644
--- a/configs/rpi_arm64_defconfig
+++ b/configs/rpi_arm64_defconfig
@@ -18,15 +18,20 @@
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_MISC_INIT_R=y
 CONFIG_SYS_PROMPT="U-Boot> "
+CONFIG_CMD_NVEDIT_EFI=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_PCI=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_EFIDEBUG=y
 CONFIG_CMD_FS_UUID=y
 CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_TFTP_TSIZE=y
 CONFIG_DM_DMA=y
+CONFIG_DFU_MMC=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x100000
+CONFIG_SYS_DFU_MAX_FILE_SIZE=0x200000
 CONFIG_BCM2835_GPIO=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
@@ -56,3 +61,6 @@
 CONFIG_VIDEO_BCM2835=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
+# CONFIG_HEXDUMP is not set
+CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
+CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y