Root/
| Source at commit 694c7fbe86b8a9c91392e505afcb9fcfc91deccc created 12 years 6 months ago. By Maarten ter Huurne, MIPS: JZ4740: Add cpufreq support | |
|---|---|
| 1 | /* |
| 2 | * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> |
| 3 | * JZ4740 platform timer support |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License as published by the |
| 7 | * Free Software Foundation; either version 2 of the License, or (at your |
| 8 | * option) any later version. |
| 9 | * |
| 10 | * You should have received a copy of the GNU General Public License along |
| 11 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 12 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 13 | * |
| 14 | */ |
| 15 | |
| 16 | #include <linux/io.h> |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/module.h> |
| 19 | |
| 20 | #include <asm/mach-jz4740/base.h> |
| 21 | #include <asm/mach-jz4740/timer.h> |
| 22 | |
| 23 | void __iomem *jz4740_timer_base; |
| 24 | EXPORT_SYMBOL_GPL(jz4740_timer_base); |
| 25 | |
| 26 | void jz4740_timer_enable_watchdog(void) |
| 27 | { |
| 28 | writel(BIT(16), jz4740_timer_base + JZ_REG_TIMER_STOP_CLEAR); |
| 29 | } |
| 30 | EXPORT_SYMBOL_GPL(jz4740_timer_enable_watchdog); |
| 31 | |
| 32 | void jz4740_timer_disable_watchdog(void) |
| 33 | { |
| 34 | writel(BIT(16), jz4740_timer_base + JZ_REG_TIMER_STOP_SET); |
| 35 | } |
| 36 | EXPORT_SYMBOL_GPL(jz4740_timer_disable_watchdog); |
| 37 | |
| 38 | void __init jz4740_timer_init(void) |
| 39 | { |
| 40 | jz4740_timer_base = ioremap(JZ4740_TCU_BASE_ADDR, 0x100); |
| 41 | |
| 42 | if (!jz4740_timer_base) |
| 43 | panic("Failed to ioremap timer registers"); |
| 44 | |
| 45 | /* Disable all timer clocks except for those used as system timers */ |
| 46 | writel(0x000100fc, jz4740_timer_base + JZ_REG_TIMER_STOP_SET); |
| 47 | |
| 48 | /* Timer irqs are unmasked by default, mask them */ |
| 49 | writel(0x00ff00ff, jz4740_timer_base + JZ_REG_TIMER_MASK_SET); |
| 50 | } |
| 51 | |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9
