Hexagon: Add time and timer functions
PATCH v5 18/36 Hexagon: Add time and timer functions
Signed-off-by Richard Kuo <[email protected]>
Acked-by Arnd Bergmann <[email protected]>
--- arch/hexagon/include/asm/time.h | 29 ++++ arch/hexagon/include/asm/timer-regs.h | 39 +++++ arch/hexagon/kernel/time.c | 250 +++++++++++++++++++++++++++++++++ 3 files changed, 318 insertions(+), 0 deletions(-) create mode 100644 arch/hexagon/include/asm/time.h create mode 100644 arch/hexagon/include/asm/timer-regs.h create mode 100644 arch/hexagon/kernel/time.c
arch/hexagon/include/asm/time.h new file +29 -0
@@ -0,0 +1,29 @@ +/* +* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License version 2 and +* only version 2 as published by the Free Software Foundation. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* 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., 51 Franklin Street, Fifth Floor, Boston, MA +* 02110-1301, USA. +*/ + +#ifndef ASM_TIME_H +#define ASM_TIME_H + +extern cycles_t pcycle_freq_mhz; +extern cycles_t thread_freq_mhz; +extern cycles_t sleep_clk_freq; + +void setup_percpu_clockdev (void ); +void ipi_timer (void ); + +#endif
arch/hexagon/include/asm/timer-regs.h new file +39 -0
@@ -0,0 +1,39 @@ +/* +* Timer support for Hexagon +* +* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License version 2 and +* only version 2 as published by the Free Software Foundation. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* 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., 51 Franklin Street, Fifth Floor, Boston, MA +* 02110-1301, USA. +*/ + +#ifndef _ASM_TIMER_REGS_H +#define _ASM_TIMER_REGS_H + +/* This stuff should go into a platform specific file */ +#define TCX0_CLK_RATE 19200 +#define TIMER_ENABLE 0 +#define TIMER_CLR_ON_MATCH 1 + +/* +* 8x50 HDD Specs 5-8. Simulator co-sim not fixed until +* release 1.1, and then it's "adjustable" and probably not defaulted. +*/ +#define RTOS_TIMER_INT 3 +#ifdef CONFIG_HEXAGON_COMET +#define RTOS_TIMER_REGS_ADDR 0xAB000000UL +#endif +#define SLEEP_CLK_RATE 32000 + +#endif
arch/hexagon/kernel/time.c new file +250 -0
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Signature · 7 lines
1.7.1 -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.