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/*
* (C) Copyright 2015
* Texas Instruments Incorporated
*
* Lokesh Vutla <lokeshvutla@ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _DRA7_IODELAY_H_
#define _DRA7_IODELAY_H_
#include <common.h>
#include <asm/arch/sys_proto.h>
/* CONFIG_REG_0 */
#define CFG_REG_0_OFFSET 0xC
#define CFG_REG_ROM_READ_SHIFT 1
#define CFG_REG_ROM_READ_MASK (1 << 1)
#define CFG_REG_CALIB_STRT_SHIFT 0
#define CFG_REG_CALIB_STRT_MASK (1 << 0)
#define CFG_REG_CALIB_STRT 1
#define CFG_REG_CALIB_END 0
#define CFG_REG_ROM_READ_START (1 << 1)
#define CFG_REG_ROM_READ_END (0 << 1)
/* CONFIG_REG_2 */
#define CFG_REG_2_OFFSET 0x14
#define CFG_REG_REFCLK_PERIOD_SHIFT 0
#define CFG_REG_REFCLK_PERIOD_MASK (0xFFFF << 0)
#define CFG_REG_REFCLK_PERIOD 0x2EF
/* CONFIG_REG_8 */
#define CFG_REG_8_OFFSET 0x2C
#define CFG_IODELAY_UNLOCK_KEY 0x0000AAAA
#define CFG_IODELAY_LOCK_KEY 0x0000AAAB
/* CONFIG_REG_3/4 */
#define CFG_REG_3_OFFSET 0x18
#define CFG_REG_4_OFFSET 0x1C
#define CFG_REG_DLY_CNT_SHIFT 16
#define CFG_REG_DLY_CNT_MASK (0xFFFF << 16)
#define CFG_REG_REF_CNT_SHIFT 0
#define CFG_REG_REF_CNT_MASK (0xFFFF << 0)
/* CTRL_CORE_SMA_SW_0 */
#define CTRL_ISOLATE_SHIFT 2
#define CTRL_ISOLATE_MASK (1 << 2)
#define ISOLATE_IO 1
#define DEISOLATE_IO 0
/* PRM_IO_PMCTRL */
#define PMCTRL_ISOCLK_OVERRIDE_SHIFT 0
#define PMCTRL_ISOCLK_OVERRIDE_MASK (1 << 0)
#define PMCTRL_ISOCLK_STATUS_SHIFT 1
#define PMCTRL_ISOCLK_STATUS_MASK (1 << 1)
#define PMCTRL_ISOCLK_OVERRIDE_CTRL 1
#define PMCTRL_ISOCLK_NOT_OVERRIDE_CTRL 0
#define ERR_CALIBRATE_IODELAY 0x1
#define ERR_DEISOLATE_IO 0x2
#define ERR_ISOLATE_IO 0x4
#define ERR_UPDATE_DELAY 0x8
#define ERR_CPDE 0x3
#define ERR_FPDE 0x5
/* CFG_XXX */
#define CFG_X_SIGNATURE_SHIFT 12
#define CFG_X_SIGNATURE_MASK (0x3F << 12)
#define CFG_X_LOCK_SHIFT 10
#define CFG_X_LOCK_MASK (0x1 << 10)
#define CFG_X_COARSE_DLY_SHIFT 5
#define CFG_X_COARSE_DLY_MASK (0x1F << 5)
#define CFG_X_FINE_DLY_SHIFT 0
#define CFG_X_FINE_DLY_MASK (0x1F << 0)
#define CFG_X_SIGNATURE 0x29
#define CFG_X_LOCK 1
void __recalibrate_iodelay(struct pad_conf_entry const *pad, int npads,
struct iodelay_cfg_entry const *iodelay,
int niodelays);
#endif
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