| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2009 |
| * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. |
| */ |
| |
| #ifndef _SPR_GPT_H |
| #define _SPR_GPT_H |
| |
| struct gpt_regs { |
| u8 reserved[0x80]; |
| u32 control; |
| u32 status; |
| u32 compare; |
| u32 count; |
| u32 capture_re; |
| u32 capture_fe; |
| }; |
| |
| /* |
| * TIMER_CONTROL register settings |
| */ |
| |
| #define GPT_PRESCALER_MASK 0x000F |
| #define GPT_PRESCALER_1 0x0000 |
| #define GPT_PRESCALER_2 0x0001 |
| #define GPT_PRESCALER_4 0x0002 |
| #define GPT_PRESCALER_8 0x0003 |
| #define GPT_PRESCALER_16 0x0004 |
| #define GPT_PRESCALER_32 0x0005 |
| #define GPT_PRESCALER_64 0x0006 |
| #define GPT_PRESCALER_128 0x0007 |
| #define GPT_PRESCALER_256 0x0008 |
| |
| #define GPT_MODE_SINGLE_SHOT 0x0010 |
| #define GPT_MODE_AUTO_RELOAD 0x0000 |
| |
| #define GPT_ENABLE 0x0020 |
| |
| #define GPT_CAPT_MODE_MASK 0x00C0 |
| #define GPT_CAPT_MODE_NONE 0x0000 |
| #define GPT_CAPT_MODE_RE 0x0040 |
| #define GPT_CAPT_MODE_FE 0x0080 |
| #define GPT_CAPT_MODE_BOTH 0x00C0 |
| |
| #define GPT_INT_MATCH 0x0100 |
| #define GPT_INT_FE 0x0200 |
| #define GPT_INT_RE 0x0400 |
| |
| /* |
| * TIMER_STATUS register settings |
| */ |
| |
| #define GPT_STS_MATCH 0x0001 |
| #define GPT_STS_FE 0x0002 |
| #define GPT_STS_RE 0x0004 |
| |
| /* |
| * TIMER_COMPARE register settings |
| */ |
| |
| #define GPT_FREE_RUNNING 0xFFFF |
| |
| /* Timer, HZ specific defines */ |
| #define CONFIG_SPEAR_HZ 1000 |
| #define CONFIG_SPEAR_HZ_CLOCK 8300000 |
| |
| #endif |
