[PATCH v6 13/24] board: am62x: Define capsule update firmware info

Jonathan Humphreys j-humphreys at ti.com
Sat Jun 8 00:38:47 CEST 2024


Define the firmware components updatable via EFI capsule update, including
defining capsule GUIDs for the various firmware components for the AM62x
SK.

Signed-off-by: Jonathan Humphreys <j-humphreys at ti.com>
---
 board/ti/am62x/evm.c        | 34 ++++++++++++++++++++++++++++++++++
 include/configs/am62x_evm.h | 24 ++++++++++++++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/board/ti/am62x/evm.c b/board/ti/am62x/evm.c
index b3e8680dfab..9bdd0223cdb 100644
--- a/board/ti/am62x/evm.c
+++ b/board/ti/am62x/evm.c
@@ -7,6 +7,7 @@
  *
  */
 
+#include <efi_loader.h>
 #include <env.h>
 #include <spl.h>
 #include <init.h>
@@ -46,6 +47,39 @@ int splash_screen_prepare(void)
 }
 #endif
 
+struct efi_fw_image fw_images[] = {
+	{
+		.image_type_id = AM62X_SK_TIBOOT3_IMAGE_GUID,
+		.fw_name = u"AM62X_SK_TIBOOT3",
+		.image_index = 1,
+	},
+	{
+		.image_type_id = AM62X_SK_SPL_IMAGE_GUID,
+		.fw_name = u"AM62X_SK_SPL",
+		.image_index = 2,
+	},
+	{
+		.image_type_id = AM62X_SK_UBOOT_IMAGE_GUID,
+		.fw_name = u"AM62X_SK_UBOOT",
+		.image_index = 3,
+	}
+};
+
+struct efi_capsule_update_info update_info = {
+	.dfu_string = "sf 0:0=tiboot3.bin raw 0 80000;"
+	"tispl.bin raw 80000 200000;u-boot.img raw 280000 400000",
+	.num_images = ARRAY_SIZE(fw_images),
+	.images = fw_images,
+};
+
+#if IS_ENABLED(CONFIG_SET_DFU_ALT_INFO)
+void set_dfu_alt_info(char *interface, char *devstr)
+{
+	if (IS_ENABLED(CONFIG_EFI_HAVE_CAPSULE_SUPPORT))
+		env_set("dfu_alt_info", update_info.dfu_string);
+}
+#endif
+
 int board_init(void)
 {
 	return 0;
diff --git a/include/configs/am62x_evm.h b/include/configs/am62x_evm.h
index c8fe59b7531..0d98f14a4bc 100644
--- a/include/configs/am62x_evm.h
+++ b/include/configs/am62x_evm.h
@@ -9,6 +9,30 @@
 #ifndef __CONFIG_AM625_EVM_H
 #define __CONFIG_AM625_EVM_H
 
+/**
+ * define AM62X_SK_TIBOOT3_IMAGE_GUID - firmware GUID for AM62X sk tiboot3.bin
+ * define AM62X_SK_SPL_IMAGE_GUID     - firmware GUID for AM62X sk SPL
+ * define AM62X_SK_UBOOT_IMAGE_GUID   - firmware GUID for AM62X sk UBOOT
+ *
+ * These GUIDs are used in capsules updates to identify the corresponding
+ * firmware object.
+ *
+ * Board developers using this as a starting reference should
+ * define their own GUIDs to ensure that firmware repositories (like
+ * LVFS) do not confuse them.
+ */
+#define AM62X_SK_TIBOOT3_IMAGE_GUID \
+	EFI_GUID(0xabcb83d2, 0x9cb6, 0x4351, 0xb8, 0xf1, \
+		0x64, 0x94, 0xbb, 0xe3, 0x70, 0x0a)
+
+#define AM62X_SK_SPL_IMAGE_GUID \
+	EFI_GUID(0xaee355fc, 0xbf97, 0x4264, 0x8c, 0x82, \
+		0x43, 0x72, 0x55, 0xef, 0xdc, 0x1d)
+
+#define AM62X_SK_UBOOT_IMAGE_GUID \
+	EFI_GUID(0x28ab8c6c, 0xfca8, 0x41d3, 0x8e, 0xa1, \
+		0x5f, 0x17, 0x1b, 0x7d, 0x29, 0x29)
+
 /* Now for the remaining common defines */
 #include <configs/ti_armv7_common.h>
 
-- 
2.34.1



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