1/* 2 * (C) Copyright 2009 3 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24#ifndef _SPR_GPT_H 25#define _SPR_GPT_H 26 27struct gpt_regs { 28 u8 reserved[0x80]; 29 u32 control; 30 u32 status; 31 u32 compare; 32 u32 count; 33 u32 capture_re; 34 u32 capture_fe; 35}; 36 37/* 38 * TIMER_CONTROL register settings 39 */ 40 41#define GPT_PRESCALER_MASK 0x000F 42#define GPT_PRESCALER_1 0x0000 43#define GPT_PRESCALER_2 0x0001 44#define GPT_PRESCALER_4 0x0002 45#define GPT_PRESCALER_8 0x0003 46#define GPT_PRESCALER_16 0x0004 47#define GPT_PRESCALER_32 0x0005 48#define GPT_PRESCALER_64 0x0006 49#define GPT_PRESCALER_128 0x0007 50#define GPT_PRESCALER_256 0x0008 51 52#define GPT_MODE_SINGLE_SHOT 0x0010 53#define GPT_MODE_AUTO_RELOAD 0x0000 54 55#define GPT_ENABLE 0x0020 56 57#define GPT_CAPT_MODE_MASK 0x00C0 58#define GPT_CAPT_MODE_NONE 0x0000 59#define GPT_CAPT_MODE_RE 0x0040 60#define GPT_CAPT_MODE_FE 0x0080 61#define GPT_CAPT_MODE_BOTH 0x00C0 62 63#define GPT_INT_MATCH 0x0100 64#define GPT_INT_FE 0x0200 65#define GPT_INT_RE 0x0400 66 67/* 68 * TIMER_STATUS register settings 69 */ 70 71#define GPT_STS_MATCH 0x0001 72#define GPT_STS_FE 0x0002 73#define GPT_STS_RE 0x0004 74 75/* 76 * TIMER_COMPARE register settings 77 */ 78 79#define GPT_FREE_RUNNING 0xFFFF 80 81/* Timer, HZ specific defines */ 82#define CONFIG_SPEAR_HZ (1000) 83#define CONFIG_SPEAR_HZ_CLOCK (8300000) 84 85#endif 86