diff options
Diffstat (limited to 'arch/arm/mach-at91/include/mach/at91_sfr.h')
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91_sfr.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_sfr.h b/arch/arm/mach-at91/include/mach/at91_sfr.h new file mode 100644 index 0000000000..dc259055cf --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91_sfr.h @@ -0,0 +1,66 @@ +/* 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 + +struct atmel_sfr { + u32 reserved1; /* 0x00 */ + u32 ddrcfg; /* 0x04: DDR Configuration 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_UTMICKTRIM 0x30 /* UTMI Clock Trimming 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) + +#define AT91_UTMICKTRIM_FREQ GENMASK(1, 0) + +/* Bit field in AICREDIR */ +#define ATMEL_SFR_AICREDIR_NSAIC 0x00000001 + +#endif |