diff options
Diffstat (limited to 'target/linux/xburst/patches-2.6.35/005-timer.patch')
| -rw-r--r-- | target/linux/xburst/patches-2.6.35/005-timer.patch | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/target/linux/xburst/patches-2.6.35/005-timer.patch b/target/linux/xburst/patches-2.6.35/005-timer.patch deleted file mode 100644 index 2e117de4b6..0000000000 --- a/target/linux/xburst/patches-2.6.35/005-timer.patch +++ /dev/null @@ -1,238 +0,0 @@ -From ad817ad0a57d0fa6041071395d4cf0d2e9a44635 Mon Sep 17 00:00:00 2001 -From: Lars-Peter Clausen <lars@metafoo.de> -Date: Sat, 19 Jun 2010 04:08:09 +0000 -Subject: [PATCH] MIPS: JZ4740: Add timer support - -Add support for the timer/counter unit on a JZ4740 SoC. This code is used -as a common base for the JZ4740 clocksource/clockevent implementation and -PWM support. - -Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> -Cc: linux-mips@linux-mips.org -Cc: linux-kernel@vger.kernel.org -Patchwork: https://patchwork.linux-mips.org/patch/1396/ -Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---- - arch/mips/include/asm/mach-jz4740/timer.h | 22 +++++ - arch/mips/jz4740/timer.c | 48 ++++++++++ - arch/mips/jz4740/timer.h | 136 +++++++++++++++++++++++++++++ - 3 files changed, 206 insertions(+), 0 deletions(-) - create mode 100644 arch/mips/include/asm/mach-jz4740/timer.h - create mode 100644 arch/mips/jz4740/timer.c - create mode 100644 arch/mips/jz4740/timer.h - ---- /dev/null -+++ b/arch/mips/include/asm/mach-jz4740/timer.h -@@ -0,0 +1,22 @@ -+/* -+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> -+ * JZ4740 platform timer 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., -+ * 675 Mass Ave, Cambridge, MA 02139, USA. -+ * -+ */ -+ -+#ifndef __ASM_MACH_JZ4740_TIMER -+#define __ASM_MACH_JZ4740_TIMER -+ -+void jz4740_timer_enable_watchdog(void); -+void jz4740_timer_disable_watchdog(void); -+ -+#endif ---- /dev/null -+++ b/arch/mips/jz4740/timer.c -@@ -0,0 +1,48 @@ -+/* -+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> -+ * JZ4740 platform timer 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., -+ * 675 Mass Ave, Cambridge, MA 02139, USA. -+ * -+ */ -+ -+#include <linux/io.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+ -+#include "timer.h" -+ -+#include <asm/mach-jz4740/base.h> -+ -+void __iomem *jz4740_timer_base; -+ -+void jz4740_timer_enable_watchdog(void) -+{ -+ writel(BIT(16), jz4740_timer_base + JZ_REG_TIMER_STOP_CLEAR); -+} -+ -+void jz4740_timer_disable_watchdog(void) -+{ -+ writel(BIT(16), jz4740_timer_base + JZ_REG_TIMER_STOP_SET); -+} -+ -+void __init jz4740_timer_init(void) -+{ -+ jz4740_timer_base = ioremap(JZ4740_TCU_BASE_ADDR, 0x100); -+ -+ if (!jz4740_timer_base) -+ panic("Failed to ioremap timer registers"); -+ -+ /* Disable all timer clocks except for those used as system timers */ -+ writel(0x000100fc, jz4740_timer_base + JZ_REG_TIMER_STOP_SET); -+ -+ /* Timer irqs are unmasked by default, mask them */ -+ writel(0x00ff00ff, jz4740_timer_base + JZ_REG_TIMER_MASK_SET); -+} ---- /dev/null -+++ b/arch/mips/jz4740/timer.h -@@ -0,0 +1,136 @@ -+/* -+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> -+ * JZ4740 platform timer 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., -+ * 675 Mass Ave, Cambridge, MA 02139, USA. -+ * -+ */ -+ -+#ifndef __MIPS_JZ4740_TIMER_H__ -+#define __MIPS_JZ4740_TIMER_H__ -+ -+#include <linux/module.h> -+#include <linux/io.h> -+ -+#define JZ_REG_TIMER_STOP 0x0C -+#define JZ_REG_TIMER_STOP_SET 0x1C -+#define JZ_REG_TIMER_STOP_CLEAR 0x2C -+#define JZ_REG_TIMER_ENABLE 0x00 -+#define JZ_REG_TIMER_ENABLE_SET 0x04 -+#define JZ_REG_TIMER_ENABLE_CLEAR 0x08 -+#define JZ_REG_TIMER_FLAG 0x10 -+#define JZ_REG_TIMER_FLAG_SET 0x14 -+#define JZ_REG_TIMER_FLAG_CLEAR 0x18 -+#define JZ_REG_TIMER_MASK 0x20 -+#define JZ_REG_TIMER_MASK_SET 0x24 -+#define JZ_REG_TIMER_MASK_CLEAR 0x28 -+ -+#define JZ_REG_TIMER_DFR(x) (((x) * 0x10) + 0x30) -+#define JZ_REG_TIMER_DHR(x) (((x) * 0x10) + 0x34) -+#define JZ_REG_TIMER_CNT(x) (((x) * 0x10) + 0x38) -+#define JZ_REG_TIMER_CTRL(x) (((x) * 0x10) + 0x3C) -+ -+#define JZ_TIMER_IRQ_HALF(x) BIT((x) + 0x10) -+#define JZ_TIMER_IRQ_FULL(x) BIT(x) -+ -+#define JZ_TIMER_CTRL_PWM_ABBRUPT_SHUTDOWN BIT(9) -+#define JZ_TIMER_CTRL_PWM_ACTIVE_LOW BIT(8) -+#define JZ_TIMER_CTRL_PWM_ENABLE BIT(7) -+#define JZ_TIMER_CTRL_PRESCALE_MASK 0x1c -+#define JZ_TIMER_CTRL_PRESCALE_OFFSET 0x3 -+#define JZ_TIMER_CTRL_PRESCALE_1 (0 << 3) -+#define JZ_TIMER_CTRL_PRESCALE_4 (1 << 3) -+#define JZ_TIMER_CTRL_PRESCALE_16 (2 << 3) -+#define JZ_TIMER_CTRL_PRESCALE_64 (3 << 3) -+#define JZ_TIMER_CTRL_PRESCALE_256 (4 << 3) -+#define JZ_TIMER_CTRL_PRESCALE_1024 (5 << 3) -+ -+#define JZ_TIMER_CTRL_PRESCALER(x) ((x) << JZ_TIMER_CTRL_PRESCALE_OFFSET) -+ -+#define JZ_TIMER_CTRL_SRC_EXT BIT(2) -+#define JZ_TIMER_CTRL_SRC_RTC BIT(1) -+#define JZ_TIMER_CTRL_SRC_PCLK BIT(0) -+ -+extern void __iomem *jz4740_timer_base; -+void __init jz4740_timer_init(void); -+ -+static inline void jz4740_timer_stop(unsigned int timer) -+{ -+ writel(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_STOP_SET); -+} -+ -+static inline void jz4740_timer_start(unsigned int timer) -+{ -+ writel(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_STOP_CLEAR); -+} -+ -+static inline bool jz4740_timer_is_enabled(unsigned int timer) -+{ -+ return readb(jz4740_timer_base + JZ_REG_TIMER_ENABLE) & BIT(timer); -+} -+ -+static inline void jz4740_timer_enable(unsigned int timer) -+{ -+ writeb(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_ENABLE_SET); -+} -+ -+static inline void jz4740_timer_disable(unsigned int timer) -+{ -+ writeb(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_ENABLE_CLEAR); -+} -+ -+ -+static inline void jz4740_timer_set_period(unsigned int timer, uint16_t period) -+{ -+ writew(period, jz4740_timer_base + JZ_REG_TIMER_DFR(timer)); -+} -+ -+static inline void jz4740_timer_set_duty(unsigned int timer, uint16_t duty) -+{ -+ writew(duty, jz4740_timer_base + JZ_REG_TIMER_DHR(timer)); -+} -+ -+static inline void jz4740_timer_set_count(unsigned int timer, uint16_t count) -+{ -+ writew(count, jz4740_timer_base + JZ_REG_TIMER_CNT(timer)); -+} -+ -+static inline uint16_t jz4740_timer_get_count(unsigned int timer) -+{ -+ return readw(jz4740_timer_base + JZ_REG_TIMER_CNT(timer)); -+} -+ -+static inline void jz4740_timer_ack_full(unsigned int timer) -+{ -+ writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_FLAG_CLEAR); -+} -+ -+static inline void jz4740_timer_irq_full_enable(unsigned int timer) -+{ -+ writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_FLAG_CLEAR); -+ writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_MASK_CLEAR); -+} -+ -+static inline void jz4740_timer_irq_full_disable(unsigned int timer) -+{ -+ writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_MASK_SET); -+} -+ -+static inline void jz4740_timer_set_ctrl(unsigned int timer, uint16_t ctrl) -+{ -+ writew(ctrl, jz4740_timer_base + JZ_REG_TIMER_CTRL(timer)); -+} -+ -+static inline uint16_t jz4740_timer_get_ctrl(unsigned int timer) -+{ -+ return readw(jz4740_timer_base + JZ_REG_TIMER_CTRL(timer)); -+} -+ -+#endif |