From 0fc406ab20e6fa1e92e68a2c51b73fc4d59b057f Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Wed, 7 Aug 2024 16:47:34 -0600
Subject: upl: Plumb in universal payload to the init process

Read the UPL early in boot so that it is available. For now none of the
information is used.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
 common/board_f.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'common/board_f.c')

diff --git a/common/board_f.c b/common/board_f.c
index 29e185137ad..d71005d9f83 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -40,6 +40,7 @@
 #include <sysreset.h>
 #include <timer.h>
 #include <trace.h>
+#include <upl.h>
 #include <video.h>
 #include <watchdog.h>
 #include <asm/cache.h>
@@ -859,6 +860,26 @@ __weak int clear_bss(void)
 	return 0;
 }
 
+static int initf_upl(void)
+{
+	struct upl *upl;
+	int ret;
+
+	if (!IS_ENABLED(CONFIG_UPL_IN) || !(gd->flags & GD_FLG_UPL))
+		return 0;
+
+	upl = malloc(sizeof(struct upl));
+	if (upl)
+		ret = upl_read_handoff(upl, oftree_default());
+	if (ret) {
+		printf("UPL handoff: read failure (err=%dE)\n", ret);
+		return ret;
+	}
+	gd_set_upl(upl);
+
+	return 0;
+}
+
 static const init_fnc_t init_sequence_f[] = {
 	setup_mon_len,
 #ifdef CONFIG_OF_CONTROL
@@ -868,6 +889,7 @@ static const init_fnc_t init_sequence_f[] = {
 	trace_early_init,
 #endif
 	initf_malloc,
+	initf_upl,
 	log_init,
 	initf_bootstage,	/* uses its own timer, so does not need DM */
 	event_init,
-- 
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