diff options
Diffstat (limited to 'arch/arm/include/asm/arch-spear/spr_gpt.h')
| -rw-r--r-- | arch/arm/include/asm/arch-spear/spr_gpt.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-spear/spr_gpt.h b/arch/arm/include/asm/arch-spear/spr_gpt.h new file mode 100644 index 0000000..dced0a1 --- /dev/null +++ b/arch/arm/include/asm/arch-spear/spr_gpt.h @@ -0,0 +1,68 @@ +/* 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 |