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