From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/cpufreq/s3c2440-cpufreq.c | 34 ++++++++++++++++++++++------------
1 files changed, 22 insertions(+), 12 deletions(-)
diff --git a/kernel/drivers/cpufreq/s3c2440-cpufreq.c b/kernel/drivers/cpufreq/s3c2440-cpufreq.c
index d2f67b7..148e8ae 100644
--- a/kernel/drivers/cpufreq/s3c2440-cpufreq.c
+++ b/kernel/drivers/cpufreq/s3c2440-cpufreq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2006-2009 Simtec Electronics
* http://armlinux.simtec.co.uk/
@@ -5,10 +6,6 @@
* Vincent Sanders <vince@simtec.co.uk>
*
* S3C2440/S3C2442 CPU Frequency scaling
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -23,14 +20,27 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
+#include <linux/soc/samsung/s3c-cpufreq-core.h>
+#include <linux/soc/samsung/s3c-pm.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
-#include <mach/regs-clock.h>
+#define S3C2440_CLKDIVN_PDIVN (1<<0)
+#define S3C2440_CLKDIVN_HDIVN_MASK (3<<1)
+#define S3C2440_CLKDIVN_HDIVN_1 (0<<1)
+#define S3C2440_CLKDIVN_HDIVN_2 (1<<1)
+#define S3C2440_CLKDIVN_HDIVN_4_8 (2<<1)
+#define S3C2440_CLKDIVN_HDIVN_3_6 (3<<1)
+#define S3C2440_CLKDIVN_UCLK (1<<3)
-#include <plat/cpu.h>
-#include <plat/cpu-freq-core.h>
+#define S3C2440_CAMDIVN_CAMCLK_MASK (0xf<<0)
+#define S3C2440_CAMDIVN_CAMCLK_SEL (1<<4)
+#define S3C2440_CAMDIVN_HCLK3_HALF (1<<8)
+#define S3C2440_CAMDIVN_HCLK4_HALF (1<<9)
+#define S3C2440_CAMDIVN_DVSEN (1<<12)
+
+#define S3C2442_CAMDIVN_CAMCLK_DIV3 (1<<5)
static struct clk *xtal;
static struct clk *fclk;
@@ -146,8 +156,8 @@
s3c_freq_dbg("%s: divisors: h=%d, p=%d\n", __func__,
cfg->divs.h_divisor, cfg->divs.p_divisor);
- clkdiv = __raw_readl(S3C2410_CLKDIVN);
- camdiv = __raw_readl(S3C2440_CAMDIVN);
+ clkdiv = s3c24xx_read_clkdivn();
+ camdiv = s3c2440_read_camdivn();
clkdiv &= ~(S3C2440_CLKDIVN_HDIVN_MASK | S3C2440_CLKDIVN_PDIVN);
camdiv &= ~CAMDIVN_HCLK_HALF;
@@ -187,11 +197,11 @@
* then make a short delay and remove the hclk halving if necessary.
*/
- __raw_writel(camdiv | CAMDIVN_HCLK_HALF, S3C2440_CAMDIVN);
- __raw_writel(clkdiv, S3C2410_CLKDIVN);
+ s3c2440_write_camdivn(camdiv | CAMDIVN_HCLK_HALF);
+ s3c24xx_write_clkdivn(clkdiv);
ndelay(20);
- __raw_writel(camdiv, S3C2440_CAMDIVN);
+ s3c2440_write_camdivn(camdiv);
clk_set_parent(armclk, cfg->divs.dvs ? hclk : fclk);
}
--
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