| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2015 |
| * Texas Instruments Incorporated |
| * |
| * Lokesh Vutla <lokeshvutla@ti.com> |
| */ |
| |
| #ifndef _DRA7_IODELAY_H_ |
| #define _DRA7_IODELAY_H_ |
| |
| #include <asm/arch/sys_proto.h> |
| |
| /* CFG 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) |
| |
| /* CFG 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 |
| |
| /* CFG REG_8 */ |
| #define CFG_REG_8_OFFSET 0x2C |
| #define CFG_IODELAY_UNLOCK_KEY 0x0000AAAA |
| #define CFG_IODELAY_LOCK_KEY 0x0000AAAB |
| |
| /* CFG 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 |
| |
| /* CTRL_CORE_SMA_SW_1 */ |
| #define RGMII2_ID_MODE_N_MASK (1 << 26) |
| #define RGMII1_ID_MODE_N_MASK (1 << 25) |
| |
| /* 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); |
| void late_recalibrate_iodelay(struct pad_conf_entry const *pad, int npads, |
| struct iodelay_cfg_entry const *iodelay, |
| int niodelays); |
| int __recalibrate_iodelay_start(void); |
| void __recalibrate_iodelay_end(int ret); |
| |
| int do_set_iodelay(u32 base, struct iodelay_cfg_entry const *array, |
| int niodelays); |
| #endif |