pmaports/device/main/u-boot-pinephone/0001-common-expose-DRAM-clock-speed.patch

From a568d5efe609fec974d44fec4cba31288ab0f621 Mon Sep 17 00:00:00 2001
From: Bobby The Builder <bob@najdan.com>
Date: Mon, 29 Mar 2021 16:42:07 -0400
Subject: [PATCH 4/5] common: expose DRAM clock speed

add memory/ram_freq
---
 common/board_f.c | 6 ++++--
 common/main.c    | 7 +++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/common/board_f.c b/common/board_f.c
index 0cddf0359d..e481c70ef0 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -227,12 +227,14 @@ static int show_dram_config(void)
 		print_size(gd->bd->bi_dram[i].size, "\n");
 #endif
 	}
-	debug("\nDRAM:  ");
+	debug("\nDRAM Size:  ");
 
 	print_size(size, "");
 	board_add_ram_info(0);
 	putc('\n');
-
+#if defined(CONFIG_DRAM_CLK)
+	printf("DRAM Clock: %d MHz\n", CONFIG_DRAM_CLK);
+#endif
 	return 0;
 }
 
diff --git a/common/main.c b/common/main.c
index ae5bcdb32f..85adcc6c13 100644
--- a/common/main.c
+++ b/common/main.c
@@ -46,6 +46,13 @@ void main_loop(void)
 	if (IS_ENABLED(CONFIG_VERSION_VARIABLE))
 		env_set("ver", version_string);  /* set version variable */
 
+#if defined(CONFIG_DRAM_CLK)
+	char ram_clk_string[11];
+	sprintf(ram_clk_string, "%d", CONFIG_DRAM_CLK);
+	env_set("ram_freq", ram_clk_string);
+	printf("Set ram_freq : %s\n", ram_clk_string);
+#endif
+
 	cli_init();
 
 	if (IS_ENABLED(CONFIG_USE_PREBOOT))
-- 
2.31.1