1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2014, STMicroelectronics - All Rights Reserved 4 * Author(s): Vikas Manocha, <vikas.manocha@st.com> for STMicroelectronics. 5 */ 6 7 #ifndef _STV0991_GPT_H 8 #define _STV0991_GPT_H 9 10 #include <asm/arch-stv0991/hardware.h> 11 12 struct gpt_regs { 13 u32 cr1; 14 u32 cr2; 15 u32 reserved_1; 16 u32 dier; /* dma_int_en */ 17 u32 sr; /* status reg */ 18 u32 egr; /* event gen */ 19 u32 reserved_2[3]; /* offset 0x18--0x20*/ 20 u32 cnt; 21 u32 psc; 22 u32 arr; 23 }; 24 25 struct gpt_regs *const gpt1_regs_ptr = 26 (struct gpt_regs *) GPTIMER1_BASE_ADDR; 27 28 /* Timer control1 register */ 29 #define GPT_CR1_CEN 0x0001 30 #define GPT_MODE_AUTO_RELOAD (1 << 7) 31 32 /* Timer prescalar reg */ 33 #define GPT_PRESCALER_128 0x128 34 35 /* Auto reload register for free running config */ 36 #define GPT_FREE_RUNNING 0xFFFF 37 38 /* Timer, HZ specific defines */ 39 #define CONFIG_STV0991_HZ 1000 40 #define CONFIG_STV0991_HZ_CLOCK (27*1000*1000)/GPT_PRESCALER_128 41 42 #endif 43