1/* 2 * (C) Copyright 2014 3 * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8#ifndef _STV0991_GPT_H 9#define _STV0991_GPT_H 10 11#include <asm/arch-stv0991/hardware.h> 12 13struct gpt_regs { 14 u32 cr1; 15 u32 cr2; 16 u32 reserved_1; 17 u32 dier; /* dma_int_en */ 18 u32 sr; /* status reg */ 19 u32 egr; /* event gen */ 20 u32 reserved_2[3]; /* offset 0x18--0x20*/ 21 u32 cnt; 22 u32 psc; 23 u32 arr; 24}; 25 26struct gpt_regs *const gpt1_regs_ptr = 27 (struct gpt_regs *) GPTIMER1_BASE_ADDR; 28 29/* Timer control1 register */ 30#define GPT_CR1_CEN 0x0001 31#define GPT_MODE_AUTO_RELOAD (1 << 7) 32 33/* Timer prescalar reg */ 34#define GPT_PRESCALER_128 0x128 35 36/* Auto reload register for free running config */ 37#define GPT_FREE_RUNNING 0xFFFF 38 39/* Timer, HZ specific defines */ 40#define CONFIG_STV0991_HZ 1000 41#define CONFIG_STV0991_HZ_CLOCK (27*1000*1000)/GPT_PRESCALER_128 42 43#endif 44