| Vipin KUMAR | 7cb1635 | 2010-01-15 19:15:43 +0530 | [diff] [blame] | 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 |