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 27 struct 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