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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Special Function Register (SFR)
*
* Copyright (C) 2014 Atmel
* Bo Shen <voice.shen@atmel.com>
*/
#ifndef __AT91_SFR_H
#define __AT91_SFR_H
#include <linux/bitops.h>
struct atmel_sfr {
u32 reserved1; /* 0x00 */
union {
u32 ddrcfg; /* 0x04: DDR Configuration Register */
u32 ebicsa; /* 0x04: EBI Chip Select Register */
};
u32 reserved2; /* 0x08 */
u32 reserved3; /* 0x0c */
u32 ohciicr; /* 0x10: OHCI Interrupt Configuration Register */
u32 ohciisr; /* 0x14: OHCI Interrupt Status Register */
u32 reserved4[4]; /* 0x18 ~ 0x24 */
u32 secure; /* 0x28: Security Configuration Register */
u32 reserved5[5]; /* 0x2c ~ 0x3c */
u32 ebicfg; /* 0x40: EBI Configuration Register */
u32 reserved6[2]; /* 0x44 ~ 0x48 */
u32 sn0; /* 0x4c */
u32 sn1; /* 0x50 */
u32 aicredir; /* 0x54 */
u32 l2cc_hramc; /* 0x58 */
};
/* Register Mapping*/
#define AT91_SFR_DDRCFG 0x04 /* DDR Configuration Register */
#define AT91_SFR_CCFG_EBICSA 0x04 /* EBI Chip Select Register */
/* 0x08 ~ 0x0c: Reserved */
#define AT91_SFR_OHCIICR 0x10 /* OHCI INT Configuration Register */
#define AT91_SFR_OHCIISR 0x14 /* OHCI INT Status Register */
#define AT91_SFR_UTMICKTRIM 0x30 /* UTMI Clock Trimming Register */
#define AT91_SFR_UTMISWAP 0x3c /* UTMI DP/DM Pin Swapping Register */
#define AT91_SFR_LS 0x7c /* Light Sleep Register */
#define AT91_SFR_I2SCLKSEL 0x90 /* I2SC Register */
#define AT91_SFR_WPMR 0xe4 /* Write Protection Mode Register */
/* Bit field in DDRCFG */
#define ATMEL_SFR_DDRCFG_FDQIEN 0x00010000
#define ATMEL_SFR_DDRCFG_FDQSIEN 0x00020000
/* Bit field in EBICFG */
#define AT91_SFR_EBICFG_DRIVE0 (0x3 << 0)
#define AT91_SFR_EBICFG_DRIVE0_LOW (0x0 << 0)
#define AT91_SFR_EBICFG_DRIVE0_MEDIUM (0x2 << 0)
#define AT91_SFR_EBICFG_DRIVE0_HIGH (0x3 << 0)
#define AT91_SFR_EBICFG_PULL0 (0x3 << 2)
#define AT91_SFR_EBICFG_PULL0_UP (0x0 << 2)
#define AT91_SFR_EBICFG_PULL0_NONE (0x1 << 2)
#define AT91_SFR_EBICFG_PULL0_DOWN (0x3 << 2)
#define AT91_SFR_EBICFG_SCH0 (0x1 << 4)
#define AT91_SFR_EBICFG_SCH0_OFF (0x0 << 4)
#define AT91_SFR_EBICFG_SCH0_ON (0x1 << 4)
#define AT91_SFR_EBICFG_DRIVE1 (0x3 << 8)
#define AT91_SFR_EBICFG_DRIVE1_LOW (0x0 << 8)
#define AT91_SFR_EBICFG_DRIVE1_MEDIUM (0x2 << 8)
#define AT91_SFR_EBICFG_DRIVE1_HIGH (0x3 << 8)
#define AT91_SFR_EBICFG_PULL1 (0x3 << 10)
#define AT91_SFR_EBICFG_PULL1_UP (0x0 << 10)
#define AT91_SFR_EBICFG_PULL1_NONE (0x1 << 10)
#define AT91_SFR_EBICFG_PULL1_DOWN (0x3 << 10)
#define AT91_SFR_EBICFG_SCH1 (0x1 << 12)
#define AT91_SFR_EBICFG_SCH1_OFF (0x0 << 12)
#define AT91_SFR_EBICFG_SCH1_ON (0x1 << 12)
/* Bit field in AICREDIR */
#define ATMEL_SFR_AICREDIR_NSAIC 0x00000001
/* Bit field in DDRCFG */
#define ATMEL_SFR_DDRCFG_FDQIEN 0x00010000
#define ATMEL_SFR_DDRCFG_FDQSIEN 0x00020000
#define AT91_SFR_CCFG_EBI_CSA(cs, val) ((val) << (cs))
#define AT91_SFR_CCFG_EBI_DBPUC BIT(8)
#define AT91_SFR_CCFG_EBI_DBPDC BIT(9)
#define AT91_SFR_CCFG_EBI_DRIVE_SAM9X60 BIT(16)
#define AT91_SFR_CCFG_EBI_DRIVE BIT(17)
#define AT91_SFR_CCFG_DQIEN_F BIT(20)
#define AT91_SFR_CCFG_NFD0_ON_D16 BIT(24)
#define AT91_SFR_CCFG_DDR_MP_EN BIT(25)
#define AT91_SFR_OHCIICR_RES(x) BIT(x)
#define AT91_SFR_OHCIICR_ARIE BIT(4)
#define AT91_SFR_OHCIICR_APPSTART BIT(5)
#define AT91_SFR_OHCIICR_USB_SUSP(x) BIT(8 + (x))
#define AT91_SFR_OHCIICR_UDPPUDIS BIT(23)
#define AT91_OHCIICR_USB_SUSPEND GENMASK(10, 8)
#define AT91_SFR_OHCIISR_RIS(x) BIT(x)
#define AT91_UTMICKTRIM_FREQ GENMASK(1, 0)
#define AT91_SFR_UTMISWAP_PORT(x) BIT(x)
#define AT91_SFR_LS_VALUE(x) BIT(x)
#define AT91_SFR_LS_MEM_POWER_GATING_ULP1_EN BIT(16)
#define AT91_SFR_WPMR_WPEN BIT(0)
#define AT91_SFR_WPMR_WPKEY_MASK GENMASK(31, 8)
#endif