34 lines
1.0 KiB
Diff
34 lines
1.0 KiB
Diff
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From 110909494f8eeae7470321399978c25d9e3af554 Mon Sep 17 00:00:00 2001
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From: Patrick Yavitz <pyavitz@gmail.com>
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Date: Mon, 13 May 2024 17:45:57 -0400
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Subject: [PATCH] mach-sunxi: dram_helpers: add delay to steady dram detection
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Signed-off-by: Patrick Yavitz <pyavitz@gmail.com>
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---
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arch/arm/mach-sunxi/dram_helpers.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/arch/arm/mach-sunxi/dram_helpers.c b/arch/arm/mach-sunxi/dram_helpers.c
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index 83dbe4ca98..df7845502d 100644
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--- a/arch/arm/mach-sunxi/dram_helpers.c
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+++ b/arch/arm/mach-sunxi/dram_helpers.c
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@@ -11,6 +11,7 @@
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#include <asm/barriers.h>
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#include <asm/io.h>
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#include <asm/arch/dram.h>
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+#include <linux/delay.h>
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/*
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* Wait up to 1s for value to be set in given part of reg.
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@@ -45,6 +46,7 @@ bool mctl_mem_matches_base(u32 offset, ulong base)
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writel(0, base);
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writel(0xaa55aa55, base + offset);
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dsb();
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+ udelay(150);
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/* Check if the same value is actually observed when reading back */
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ret = readl(base) == readl(base + offset);
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--
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2.39.2
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