From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/arch/arm/mach-imx/cpu-imx31.c | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/kernel/arch/arm/mach-imx/cpu-imx31.c b/kernel/arch/arm/mach-imx/cpu-imx31.c
index 3daf195..b9c24b8 100644
--- a/kernel/arch/arm/mach-imx/cpu-imx31.c
+++ b/kernel/arch/arm/mach-imx/cpu-imx31.c
@@ -1,15 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* MX31 CPU type detection
*
* Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/module.h>
+#include <linux/of_address.h>
#include <linux/io.h>
#include "common.h"
@@ -36,10 +33,16 @@
static int mx31_read_cpu_rev(void)
{
+ void __iomem *iim_base;
+ struct device_node *np;
u32 i, srev;
+ np = of_find_compatible_node(NULL, NULL, "fsl,imx31-iim");
+ iim_base = of_iomap(np, 0);
+ BUG_ON(!iim_base);
+
/* read SREV register from IIM module */
- srev = imx_readl(MX31_IO_ADDRESS(MX31_IIM_BASE_ADDR + MXC_IIMSREV));
+ srev = imx_readl(iim_base + MXC_IIMSREV);
srev &= 0xff;
for (i = 0; i < ARRAY_SIZE(mx31_cpu_type); i++)
--
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