change prefix for kernelpatchbase 2.6.26

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13619 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 323 insertions, 0 deletions

diff --git a/target/linux/s3c24xx/patches-2.6.26/1011-s3c2410-pwm.patch.patch b/target/linux/s3c24xx/patches-2.6.26/1011-s3c2410-pwm.patch.patch
new file mode 100755
index 0000000000..2a22040e71
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.26/1011-s3c2410-pwm.patch.patch
@@ -0,0 +1,323 @@
+From 2b1ccb68bdc0e1454be0e769896862bf0c7f95f9 Mon Sep 17 00:00:00 2001
+From: mokopatches <mokopatches@openmoko.org>
+Date: Wed, 16 Jul 2008 14:44:49 +0100
+Subject: [PATCH] s3c2410-pwm.patch
+ This patch adds a PWM api abstraction for the S3C2410 SoC
+
+Signed-off-by: Javi Roman <javiroman@kernel-labs.org>
+Signed-off-by: Harald Welte <laforge@openmoko.org>
+---
+ arch/arm/mach-s3c2410/Kconfig      |    7 +
+ arch/arm/mach-s3c2410/Makefile     |    1 +
+ arch/arm/mach-s3c2410/pwm.c        |  214 ++++++++++++++++++++++++++++++++++++
+ include/asm-arm/arch-s3c2410/pwm.h |   40 +++++++
+ 4 files changed, 262 insertions(+), 0 deletions(-)
+ create mode 100644 arch/arm/mach-s3c2410/pwm.c
+ create mode 100644 include/asm-arm/arch-s3c2410/pwm.h
+
+diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
+index 58519e6..3e9ec50 100644
+--- a/arch/arm/mach-s3c2410/Kconfig
++++ b/arch/arm/mach-s3c2410/Kconfig
+@@ -9,6 +9,7 @@ config CPU_S3C2410
+ 	depends on ARCH_S3C2410
+ 	select S3C2410_CLOCK
+ 	select S3C2410_GPIO
++	select S3C2410_PWM
+ 	select CPU_LLSERIAL_S3C2410
+ 	select S3C2410_PM if PM
+ 	help
+@@ -38,6 +39,12 @@ config S3C2410_CLOCK
+ 	  Clock code for the S3C2410, and similar processors
+ 
+ 
++config S3C2410_PWM
++	bool
++	help
++	  PWM timer code for the S3C2410, and similar processors
++
++
+ menu "S3C2410 Machines"
+ 
+ config ARCH_SMDK2410
+diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
+index b73562f..2a12a6a 100644
+--- a/arch/arm/mach-s3c2410/Makefile
++++ b/arch/arm/mach-s3c2410/Makefile
+@@ -16,6 +16,7 @@ obj-$(CONFIG_CPU_S3C2410_DMA)	+= dma.o
+ obj-$(CONFIG_S3C2410_PM)	+= pm.o sleep.o
+ obj-$(CONFIG_S3C2410_GPIO)	+= gpio.o
+ obj-$(CONFIG_S3C2410_CLOCK)	+= clock.o
++obj-$(CONFIG_S3C2410_PWM)	+= pwm.o
+ 
+ # Machine support
+ 
+diff --git a/arch/arm/mach-s3c2410/pwm.c b/arch/arm/mach-s3c2410/pwm.c
+new file mode 100644
+index 0000000..8a07359
+--- /dev/null
++++ b/arch/arm/mach-s3c2410/pwm.c
+@@ -0,0 +1,214 @@
++/*
++ * arch/arm/mach-s3c2410/3c2410-pwm.c
++ *
++ * Copyright (c) by Javi Roman <javiroman@kernel-labs.org>
++ * 		 for the OpenMoko Project.
++ *
++ *     S3C2410A SoC PWM support
++ *
++ * 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.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
++ *
++ */
++
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/clk.h>
++#include <asm/hardware.h>
++#include <asm/plat-s3c/regs-timer.h>
++#include <asm/arch/pwm.h>
++
++int s3c2410_pwm_disable(struct s3c2410_pwm *pwm)
++{
++	unsigned long tcon;
++
++	/* stop timer */
++	tcon = __raw_readl(S3C2410_TCON);
++	tcon &= 0xffffff00;
++	__raw_writel(tcon, S3C2410_TCON);
++
++	clk_disable(pwm->pclk);
++	clk_put(pwm->pclk);
++
++	return 0;
++}
++EXPORT_SYMBOL_GPL(s3c2410_pwm_disable);
++
++int s3c2410_pwm_init(struct s3c2410_pwm *pwm)
++{
++	pwm->pclk = clk_get(NULL, "timers");
++	if (IS_ERR(pwm->pclk))
++		return PTR_ERR(pwm->pclk);
++
++	clk_enable(pwm->pclk);
++	pwm->pclk_rate = clk_get_rate(pwm->pclk);
++	return 0;
++}
++EXPORT_SYMBOL_GPL(s3c2410_pwm_init);
++
++int s3c2410_pwm_enable(struct s3c2410_pwm *pwm)
++{
++	unsigned long tcfg0, tcfg1, tcnt, tcmp;
++
++	/* control registers bits */
++	tcfg1 = __raw_readl(S3C2410_TCFG1);
++	tcfg0 = __raw_readl(S3C2410_TCFG0);
++
++	/* divider & scaler slection */
++	switch (pwm->timerid) {
++	case PWM0:
++		tcfg1 &= ~S3C2410_TCFG1_MUX0_MASK;
++		tcfg0 &= ~S3C2410_TCFG_PRESCALER0_MASK;
++		break;
++	case PWM1:
++		tcfg1 &= ~S3C2410_TCFG1_MUX1_MASK;
++		tcfg0 &= ~S3C2410_TCFG_PRESCALER0_MASK;
++		break;
++	case PWM2:
++		tcfg1 &= ~S3C2410_TCFG1_MUX2_MASK;
++		tcfg0 &= ~S3C2410_TCFG_PRESCALER1_MASK;
++		break;
++	case PWM3:
++		tcfg1 &= ~S3C2410_TCFG1_MUX3_MASK;
++		tcfg0 &= ~S3C2410_TCFG_PRESCALER1_MASK;
++		break;
++	case PWM4:
++		/* timer four is not capable of doing PWM */
++		break;
++	default:
++		clk_disable(pwm->pclk);
++		clk_put(pwm->pclk);
++		return -1;
++	}
++
++	/* divider & scaler values */
++	tcfg1 |= pwm->divider;
++	__raw_writel(tcfg1, S3C2410_TCFG1);
++
++	switch (pwm->timerid) {
++	case PWM0:
++	case PWM1:
++		tcfg0 |= pwm->prescaler;
++		__raw_writel(tcfg0, S3C2410_TCFG0);
++		break;
++	default:
++		if ((tcfg0 | pwm->prescaler) != tcfg0) {
++			printk(KERN_WARNING "not changing prescaler of PWM %u,"
++			       " since it's shared with timer4 (clock tick)\n",
++			       pwm->timerid);
++		}
++		break;
++	}
++
++	/* timer count and compare buffer initial values */
++	tcnt = pwm->counter;
++	tcmp = pwm->comparer;
++
++	__raw_writel(tcnt, S3C2410_TCNTB(pwm->timerid));
++	__raw_writel(tcmp, S3C2410_TCMPB(pwm->timerid));
++
++	/* ensure timer is stopped */
++	s3c2410_pwm_stop(pwm);
++
++	return 0;
++}
++EXPORT_SYMBOL_GPL(s3c2410_pwm_enable);
++
++int s3c2410_pwm_start(struct s3c2410_pwm *pwm)
++{
++	unsigned long tcon;
++
++	tcon = __raw_readl(S3C2410_TCON);
++
++	switch (pwm->timerid) {
++	case PWM0:
++		tcon |= S3C2410_TCON_T0START;
++		tcon &= ~S3C2410_TCON_T0MANUALUPD;
++		break;
++	case PWM1:
++		tcon |= S3C2410_TCON_T1START;
++		tcon &= ~S3C2410_TCON_T1MANUALUPD;
++		break;
++	case PWM2:
++		tcon |= S3C2410_TCON_T2START;
++		tcon &= ~S3C2410_TCON_T2MANUALUPD;
++		break;
++	case PWM3:
++		tcon |= S3C2410_TCON_T3START;
++		tcon &= ~S3C2410_TCON_T3MANUALUPD;
++		break;
++	case PWM4:
++		/* timer four is not capable of doing PWM */
++	default:
++		return -ENODEV;
++	}
++
++	__raw_writel(tcon, S3C2410_TCON);
++
++	return 0;
++}
++EXPORT_SYMBOL_GPL(s3c2410_pwm_start);
++
++int s3c2410_pwm_stop(struct s3c2410_pwm *pwm)
++{
++	unsigned long tcon;
++
++	tcon = __raw_readl(S3C2410_TCON);
++
++	switch (pwm->timerid) {
++	case PWM0:
++		tcon &= ~0x00000000;
++		tcon |= S3C2410_TCON_T0RELOAD;
++		tcon |= S3C2410_TCON_T0MANUALUPD;
++		break;
++	case PWM1:
++		tcon &= ~0x00000080;
++		tcon |= S3C2410_TCON_T1RELOAD;
++		tcon |= S3C2410_TCON_T1MANUALUPD;
++		break;
++	case PWM2:
++		tcon &= ~0x00000800;
++		tcon |= S3C2410_TCON_T2RELOAD;
++		tcon |= S3C2410_TCON_T2MANUALUPD;
++		break;
++	case PWM3:
++		tcon &= ~0x00008000;
++		tcon |= S3C2410_TCON_T3RELOAD;
++		tcon |= S3C2410_TCON_T3MANUALUPD;
++		break;
++	case PWM4:
++		/* timer four is not capable of doing PWM */
++	default:
++		return -ENODEV;
++	}
++
++	__raw_writel(tcon, S3C2410_TCON);
++
++	return 0;
++}
++EXPORT_SYMBOL_GPL(s3c2410_pwm_stop);
++
++int s3c2410_pwm_duty_cycle(int reg_value, struct s3c2410_pwm *pwm)
++{
++	__raw_writel(reg_value, S3C2410_TCMPB(pwm->timerid));
++
++	return 0;
++}
++EXPORT_SYMBOL_GPL(s3c2410_pwm_duty_cycle);
++
++int s3c2410_pwm_dumpregs(void)
++{
++	printk(KERN_INFO "TCON: %08lx, TCFG0: %08lx, TCFG1: %08lx\n",
++			(unsigned long)	__raw_readl(S3C2410_TCON),
++			(unsigned long)	__raw_readl(S3C2410_TCFG0),
++			(unsigned long)	__raw_readl(S3C2410_TCFG1));
++
++	return 0;
++}
++EXPORT_SYMBOL_GPL(s3c2410_pwm_dumpregs);
+diff --git a/include/asm-arm/arch-s3c2410/pwm.h b/include/asm-arm/arch-s3c2410/pwm.h
+new file mode 100644
+index 0000000..a797ec3
+--- /dev/null
++++ b/include/asm-arm/arch-s3c2410/pwm.h
+@@ -0,0 +1,40 @@
++#ifndef __S3C2410_PWM_H
++#define __S3C2410_PWM_H
++
++#include <linux/err.h>
++#include <linux/platform_device.h>
++#include <linux/clk.h>
++
++#include <asm-arm/io.h>
++#include <asm/arch/hardware.h>
++#include <asm/mach-types.h>
++#include <asm/plat-s3c/regs-timer.h>
++#include <asm/arch/gta01.h>
++
++enum pwm_timer {
++	PWM0,
++	PWM1,
++	PWM2,
++	PWM3,
++	PWM4
++};
++
++struct s3c2410_pwm {
++	enum pwm_timer timerid;
++	struct clk *pclk;
++	unsigned long pclk_rate;
++	unsigned long prescaler;
++	unsigned long divider;
++	unsigned long counter;
++	unsigned long comparer;
++};
++
++int s3c2410_pwm_init(struct s3c2410_pwm *s3c2410_pwm);
++int s3c2410_pwm_enable(struct s3c2410_pwm *s3c2410_pwm);
++int s3c2410_pwm_disable(struct s3c2410_pwm *s3c2410_pwm);
++int s3c2410_pwm_start(struct s3c2410_pwm *s3c2410_pwm);
++int s3c2410_pwm_stop(struct s3c2410_pwm *s3c2410_pwm);
++int s3c2410_pwm_duty_cycle(int reg_value, struct s3c2410_pwm *s3c2410_pwm);
++int s3c2410_pwm_dumpregs(void);
++
++#endif /* __S3C2410_PWM_H */
+-- 
+1.5.6.3
+