| /* |
| * include/asm-arm/arch-at91rm9200/at91rm9200_sys.h |
| * |
| * Copyright (C) 2005 Ivan Kokshaysky |
| * Copyright (C) SAN People |
| * |
| * System peripherals registers. |
| * Based on AT91RM9200 datasheet revision E. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #ifndef AT91RM9200_SYS_H |
| #define AT91RM9200_SYS_H |
| |
| /* |
| * Advanced Interrupt Controller. |
| */ |
| #define AT91_AIC 0x000 |
| |
| #define AT91_AIC_SMR(n) (AT91_AIC + ((n) * 4)) /* Source Mode Registers 0-31 */ |
| #define AT91_AIC_PRIOR (7 << 0) /* Priority Level */ |
| #define AT91_AIC_SRCTYPE (3 << 5) /* Interrupt Source Type */ |
| #define AT91_AIC_SRCTYPE_LOW (0 << 5) |
| #define AT91_AIC_SRCTYPE_FALLING (1 << 5) |
| #define AT91_AIC_SRCTYPE_HIGH (2 << 5) |
| #define AT91_AIC_SRCTYPE_RISING (3 << 5) |
| |
| #define AT91_AIC_SVR(n) (AT91_AIC + 0x80 + ((n) * 4)) /* Source Vector Registers 0-31 */ |
| #define AT91_AIC_IVR (AT91_AIC + 0x100) /* Interrupt Vector Register */ |
| #define AT91_AIC_FVR (AT91_AIC + 0x104) /* Fast Interrupt Vector Register */ |
| #define AT91_AIC_ISR (AT91_AIC + 0x108) /* Interrupt Status Register */ |
| #define AT91_AIC_IRQID (0x1f << 0) /* Current Interrupt Identifier */ |
| |
| #define AT91_AIC_IPR (AT91_AIC + 0x10c) /* Interrupt Pending Register */ |
| #define AT91_AIC_IMR (AT91_AIC + 0x110) /* Interrupt Mask Register */ |
| #define AT91_AIC_CISR (AT91_AIC + 0x114) /* Core Interrupt Status Register */ |
| #define AT91_AIC_NFIQ (1 << 0) /* nFIQ Status */ |
| #define AT91_AIC_NIRQ (1 << 1) /* nIRQ Status */ |
| |
| #define AT91_AIC_IECR (AT91_AIC + 0x120) /* Interrupt Enable Command Register */ |
| #define AT91_AIC_IDCR (AT91_AIC + 0x124) /* Interrupt Disable Command Register */ |
| #define AT91_AIC_ICCR (AT91_AIC + 0x128) /* Interrupt Clear Command Register */ |
| #define AT91_AIC_ISCR (AT91_AIC + 0x12c) /* Interrupt Set Command Register */ |
| #define AT91_AIC_EOICR (AT91_AIC + 0x130) /* End of Interrupt Command Register */ |
| #define AT91_AIC_SPU (AT91_AIC + 0x134) /* Spurious Interrupt Vector Register */ |
| #define AT91_AIC_DCR (AT91_AIC + 0x138) /* Debug Control Register */ |
| #define AT91_AIC_DCR_PROT (1 << 0) /* Protection Mode */ |
| #define AT91_AIC_DCR_GMSK (1 << 1) /* General Mask */ |
| |
| |
| /* |
| * Debug Unit. |
| */ |
| #define AT91_DBGU 0x200 |
| |
| #define AT91_DBGU_CR (AT91_DBGU + 0x00) /* Control Register */ |
| #define AT91_DBGU_MR (AT91_DBGU + 0x04) /* Mode Register */ |
| #define AT91_DBGU_IER (AT91_DBGU + 0x08) /* Interrupt Enable Register */ |
| #define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */ |
| #define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */ |
| #define AT91_DBGU_IDR (AT91_DBGU + 0x0c) /* Interrupt Disable Register */ |
| #define AT91_DBGU_IMR (AT91_DBGU + 0x10) /* Interrupt Mask Register */ |
| #define AT91_DBGU_SR (AT91_DBGU + 0x14) /* Status Register */ |
| #define AT91_DBGU_RHR (AT91_DBGU + 0x18) /* Receiver Holding Register */ |
| #define AT91_DBGU_THR (AT91_DBGU + 0x1c) /* Transmitter Holding Register */ |
| #define AT91_DBGU_BRGR (AT91_DBGU + 0x20) /* Baud Rate Generator Register */ |
| |
| #define AT91_DBGU_CIDR (AT91_DBGU + 0x40) /* Chip ID Register */ |
| #define AT91_DBGU_EXID (AT91_DBGU + 0x44) /* Chip ID Extension Register */ |
| #define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */ |
| #define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */ |
| #define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */ |
| #define AT91_CIDR_NVPSIZ2 (0xf << 12) /* Second Nonvolatile Program Memory Size */ |
| #define AT91_CIDR_SRAMSIZ (0xf << 16) /* Internal SRAM Size */ |
| #define AT91_CIDR_ARCH (0xff << 20) /* Architecture Identifier */ |
| #define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */ |
| #define AT91_CIDR_EXT (1 << 31) /* Extension Flag */ |
| |
| #define AT91_AIC_FFER (AT91_AIC + 0x140) /* Fast Forcing Enable Register [SAM9 only] */ |
| #define AT91_AIC_FFDR (AT91_AIC + 0x144) /* Fast Forcing Disable Register [SAM9 only] */ |
| #define AT91_AIC_FFSR (AT91_AIC + 0x148) /* Fast Forcing Status Register [SAM9 only] */ |
| |
| /* |
| * PIO Controllers. |
| */ |
| #define AT91_PIOA 0x400 |
| #define AT91_PIOB 0x600 |
| #define AT91_PIOC 0x800 |
| #define AT91_PIOD 0xa00 |
| |
| #define PIO_PER 0x00 /* Enable Register */ |
| #define PIO_PDR 0x04 /* Disable Register */ |
| #define PIO_PSR 0x08 /* Status Register */ |
| #define PIO_OER 0x10 /* Output Enable Register */ |
| #define PIO_ODR 0x14 /* Output Disable Register */ |
| #define PIO_OSR 0x18 /* Output Status Register */ |
| #define PIO_IFER 0x20 /* Glitch Input Filter Enable */ |
| #define PIO_IFDR 0x24 /* Glitch Input Filter Disable */ |
| #define PIO_IFSR 0x28 /* Glitch Input Filter Status */ |
| #define PIO_SODR 0x30 /* Set Output Data Register */ |
| #define PIO_CODR 0x34 /* Clear Output Data Register */ |
| #define PIO_ODSR 0x38 /* Output Data Status Register */ |
| #define PIO_PDSR 0x3c /* Pin Data Status Register */ |
| #define PIO_IER 0x40 /* Interrupt Enable Register */ |
| #define PIO_IDR 0x44 /* Interrupt Disable Register */ |
| #define PIO_IMR 0x48 /* Interrupt Mask Register */ |
| #define PIO_ISR 0x4c /* Interrupt Status Register */ |
| #define PIO_MDER 0x50 /* Multi-driver Enable Register */ |
| #define PIO_MDDR 0x54 /* Multi-driver Disable Register */ |
| #define PIO_MDSR 0x58 /* Multi-driver Status Register */ |
| #define PIO_PUDR 0x60 /* Pull-up Disable Register */ |
| #define PIO_PUER 0x64 /* Pull-up Enable Register */ |
| #define PIO_PUSR 0x68 /* Pull-up Status Register */ |
| #define PIO_ASR 0x70 /* Peripheral A Select Register */ |
| #define PIO_BSR 0x74 /* Peripheral B Select Register */ |
| #define PIO_ABSR 0x78 /* AB Status Register */ |
| #define PIO_OWER 0xa0 /* Output Write Enable Register */ |
| #define PIO_OWDR 0xa4 /* Output Write Disable Register */ |
| #define PIO_OWSR 0xa8 /* Output Write Status Register */ |
| |
| #define AT91_PIO_P(n) (1 << (n)) |
| |
| |
| /* |
| * Power Management Controller. |
| */ |
| #define AT91_PMC 0xc00 |
| |
| #define AT91_PMC_SCER (AT91_PMC + 0x00) /* System Clock Enable Register */ |
| #define AT91_PMC_SCDR (AT91_PMC + 0x04) /* System Clock Disable Register */ |
| |
| #define AT91_PMC_SCSR (AT91_PMC + 0x08) /* System Clock Status Register */ |
| #define AT91_PMC_PCK (1 << 0) /* Processor Clock */ |
| #define AT91_PMC_UDP (1 << 1) /* USB Devcice Port Clock */ |
| #define AT91_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend */ |
| #define AT91_PMC_UHP (1 << 4) /* USB Host Port Clock */ |
| #define AT91_PMC_PCK0 (1 << 8) /* Programmable Clock 0 */ |
| #define AT91_PMC_PCK1 (1 << 9) /* Programmable Clock 1 */ |
| #define AT91_PMC_PCK2 (1 << 10) /* Programmable Clock 2 */ |
| #define AT91_PMC_PCK3 (1 << 11) /* Programmable Clock 3 */ |
| |
| #define AT91_PMC_PCER (AT91_PMC + 0x10) /* Peripheral Clock Enable Register */ |
| #define AT91_PMC_PCDR (AT91_PMC + 0x14) /* Peripheral Clock Disable Register */ |
| #define AT91_PMC_PCSR (AT91_PMC + 0x18) /* Peripheral Clock Status Register */ |
| |
| #define AT91_CKGR_MOR (AT91_PMC + 0x20) /* Main Oscillator Register */ |
| #define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */ |
| #define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */ |
| |
| #define AT91_CKGR_MCFR (AT91_PMC + 0x24) /* Main Clock Frequency Register */ |
| #define AT91_PMC_MAINF (0xffff << 0) /* Main Clock Frequency */ |
| #define AT91_PMC_MAINRDY (1 << 16) /* Main Clock Ready */ |
| |
| #define AT91_CKGR_PLLAR (AT91_PMC + 0x28) /* PLL A Register */ |
| #define AT91_CKGR_PLLBR (AT91_PMC + 0x2c) /* PLL B Register */ |
| #define AT91_PMC_DIV (0xff << 0) /* Divider */ |
| #define AT91_PMC_PLLCOUNT (0x3f << 8) /* PLL Counter */ |
| #define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */ |
| #define AT91_PMC_MUL (0x7ff << 16) /* PLL Multiplier */ |
| #define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */ |
| |
| #define AT91_PMC_MCKR (AT91_PMC + 0x30) /* Master Clock Register */ |
| #define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */ |
| #define AT91_PMC_CSS_SLOW (0 << 0) |
| #define AT91_PMC_CSS_MAIN (1 << 0) |
| #define AT91_PMC_CSS_PLLA (2 << 0) |
| #define AT91_PMC_CSS_PLLB (3 << 0) |
| #define AT91_PMC_PRES (7 << 2) /* Master Clock Prescaler */ |
| #define AT91_PMC_PRES_1 (0 << 2) |
| #define AT91_PMC_PRES_2 (1 << 2) |
| #define AT91_PMC_PRES_4 (2 << 2) |
| #define AT91_PMC_PRES_8 (3 << 2) |
| #define AT91_PMC_PRES_16 (4 << 2) |
| #define AT91_PMC_PRES_32 (5 << 2) |
| #define AT91_PMC_PRES_64 (6 << 2) |
| #define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */ |
| #define AT91_PMC_MDIV_1 (0 << 8) |
| #define AT91_PMC_MDIV_2 (1 << 8) |
| #define AT91_PMC_MDIV_3 (2 << 8) |
| #define AT91_PMC_MDIV_4 (3 << 8) |
| |
| #define AT91_PMC_PCKR(n) (AT91_PMC + 0x40 + ((n) * 4)) /* Programmable Clock 0-3 Registers */ |
| |
| #define AT91_PMC_IER (AT91_PMC + 0x60) /* Interrupt Enable Register */ |
| #define AT91_PMC_IDR (AT91_PMC + 0x64) /* Interrupt Disable Register */ |
| #define AT91_PMC_SR (AT91_PMC + 0x68) /* Status Register */ |
| #define AT91_PMC_MOSCS (1 << 0) /* MOSCS Flag */ |
| #define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */ |
| #define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */ |
| #define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */ |
| #define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */ |
| #define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */ |
| #define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */ |
| #define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */ |
| #define AT91_PMC_IMR (AT91_PMC + 0x6c) /* Interrupt Mask Register */ |
| |
| |
| /* |
| * System Timer. |
| */ |
| #define AT91_ST 0xd00 |
| |
| #define AT91_ST_CR (AT91_ST + 0x00) /* Control Register */ |
| #define AT91_ST_WDRST (1 << 0) /* Watchdog Timer Restart */ |
| #define AT91_ST_PIMR (AT91_ST + 0x04) /* Period Interval Mode Register */ |
| #define AT91_ST_PIV (0xffff << 0) /* Period Interval Value */ |
| #define AT91_ST_WDMR (AT91_ST + 0x08) /* Watchdog Mode Register */ |
| #define AT91_ST_WDV (0xffff << 0) /* Watchdog Counter Value */ |
| #define AT91_ST_RSTEN (1 << 16) /* Reset Enable */ |
| #define AT91_ST_EXTEN (1 << 17) /* External Signal Assertion Enable */ |
| #define AT91_ST_RTMR (AT91_ST + 0x0c) /* Real-time Mode Register */ |
| #define AT91_ST_RTPRES (0xffff << 0) /* Real-time Prescalar Value */ |
| #define AT91_ST_SR (AT91_ST + 0x10) /* Status Register */ |
| #define AT91_ST_PITS (1 << 0) /* Period Interval Timer Status */ |
| #define AT91_ST_WDOVF (1 << 1) /* Watchdog Overflow */ |
| #define AT91_ST_RTTINC (1 << 2) /* Real-time Timer Increment */ |
| #define AT91_ST_ALMS (1 << 3) /* Alarm Status */ |
| #define AT91_ST_IER (AT91_ST + 0x14) /* Interrupt Enable Register */ |
| #define AT91_ST_IDR (AT91_ST + 0x18) /* Interrupt Disable Register */ |
| #define AT91_ST_IMR (AT91_ST + 0x1c) /* Interrupt Mask Register */ |
| #define AT91_ST_RTAR (AT91_ST + 0x20) /* Real-time Alarm Register */ |
| #define AT91_ST_ALMV (0xfffff << 0) /* Alarm Value */ |
| #define AT91_ST_CRTR (AT91_ST + 0x24) /* Current Real-time Register */ |
| #define AT91_ST_CRTV (0xfffff << 0) /* Current Real-Time Value */ |
| |
| |
| /* |
| * Real-time Clock. |
| */ |
| #define AT91_RTC 0xe00 |
| |
| #define AT91_RTC_CR (AT91_RTC + 0x00) /* Control Register */ |
| #define AT91_RTC_UPDTIM (1 << 0) /* Update Request Time Register */ |
| #define AT91_RTC_UPDCAL (1 << 1) /* Update Request Calendar Register */ |
| #define AT91_RTC_TIMEVSEL (3 << 8) /* Time Event Selection */ |
| #define AT91_RTC_TIMEVSEL_MINUTE (0 << 8) |
| #define AT91_RTC_TIMEVSEL_HOUR (1 << 8) |
| #define AT91_RTC_TIMEVSEL_DAY24 (2 << 8) |
| #define AT91_RTC_TIMEVSEL_DAY12 (3 << 8) |
| #define AT91_RTC_CALEVSEL (3 << 16) /* Calendar Event Selection */ |
| #define AT91_RTC_CALEVSEL_WEEK (0 << 16) |
| #define AT91_RTC_CALEVSEL_MONTH (1 << 16) |
| #define AT91_RTC_CALEVSEL_YEAR (2 << 16) |
| |
| #define AT91_RTC_MR (AT91_RTC + 0x04) /* Mode Register */ |
| #define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */ |
| |
| #define AT91_RTC_TIMR (AT91_RTC + 0x08) /* Time Register */ |
| #define AT91_RTC_SEC (0x7f << 0) /* Current Second */ |
| #define AT91_RTC_MIN (0x7f << 8) /* Current Minute */ |
| #define AT91_RTC_HOUR (0x3f << 16) /* Current Hour */ |
| #define AT91_RTC_AMPM (1 << 22) /* Ante Meridiem Post Meridiem Indicator */ |
| |
| #define AT91_RTC_CALR (AT91_RTC + 0x0c) /* Calendar Register */ |
| #define AT91_RTC_CENT (0x7f << 0) /* Current Century */ |
| #define AT91_RTC_YEAR (0xff << 8) /* Current Year */ |
| #define AT91_RTC_MONTH (0x1f << 16) /* Current Month */ |
| #define AT91_RTC_DAY (7 << 21) /* Current Day */ |
| #define AT91_RTC_DATE (0x3f << 24) /* Current Date */ |
| |
| #define AT91_RTC_TIMALR (AT91_RTC + 0x10) /* Time Alarm Register */ |
| #define AT91_RTC_SECEN (1 << 7) /* Second Alarm Enable */ |
| #define AT91_RTC_MINEN (1 << 15) /* Minute Alarm Enable */ |
| #define AT91_RTC_HOUREN (1 << 23) /* Hour Alarm Enable */ |
| |
| #define AT91_RTC_CALALR (AT91_RTC + 0x14) /* Calendar Alarm Register */ |
| #define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */ |
| #define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */ |
| |
| #define AT91_RTC_SR (AT91_RTC + 0x18) /* Status Register */ |
| #define AT91_RTC_ACKUPD (1 << 0) /* Acknowledge for Update */ |
| #define AT91_RTC_ALARM (1 << 1) /* Alarm Flag */ |
| #define AT91_RTC_SECEV (1 << 2) /* Second Event */ |
| #define AT91_RTC_TIMEV (1 << 3) /* Time Event */ |
| #define AT91_RTC_CALEV (1 << 4) /* Calendar Event */ |
| |
| #define AT91_RTC_SCCR (AT91_RTC + 0x1c) /* Status Clear Command Register */ |
| #define AT91_RTC_IER (AT91_RTC + 0x20) /* Interrupt Enable Register */ |
| #define AT91_RTC_IDR (AT91_RTC + 0x24) /* Interrupt Disable Register */ |
| #define AT91_RTC_IMR (AT91_RTC + 0x28) /* Interrupt Mask Register */ |
| |
| #define AT91_RTC_VER (AT91_RTC + 0x2c) /* Valid Entry Register */ |
| #define AT91_RTC_NVTIM (1 << 0) /* Non valid Time */ |
| #define AT91_RTC_NVCAL (1 << 1) /* Non valid Calendar */ |
| #define AT91_RTC_NVTIMALR (1 << 2) /* Non valid Time Alarm */ |
| #define AT91_RTC_NVCALALR (1 << 3) /* Non valid Calendar Alarm */ |
| |
| |
| /* |
| * Memory Controller. |
| */ |
| #define AT91_MC 0xf00 |
| |
| #define AT91_MC_RCR (AT91_MC + 0x00) /* MC Remap Control Register */ |
| #define AT91_MC_RCB (1 << 0) /* Remap Command Bit */ |
| |
| #define AT91_MC_ASR (AT91_MC + 0x04) /* MC Abort Status Register */ |
| #define AT91_MC_UNADD (1 << 0) /* Undefined Address Abort Status */ |
| #define AT91_MC_MISADD (1 << 1) /* Misaligned Address Abort Status */ |
| #define AT91_MC_ABTSZ (3 << 8) /* Abort Size Status */ |
| #define AT91_MC_ABTSZ_BYTE (0 << 8) |
| #define AT91_MC_ABTSZ_HALFWORD (1 << 8) |
| #define AT91_MC_ABTSZ_WORD (2 << 8) |
| #define AT91_MC_ABTTYP (3 << 10) /* Abort Type Status */ |
| #define AT91_MC_ABTTYP_DATAREAD (0 << 10) |
| #define AT91_MC_ABTTYP_DATAWRITE (1 << 10) |
| #define AT91_MC_ABTTYP_FETCH (2 << 10) |
| #define AT91_MC_MST0 (1 << 16) /* ARM920T Abort Source */ |
| #define AT91_MC_MST1 (1 << 17) /* PDC Abort Source */ |
| #define AT91_MC_MST2 (1 << 18) /* UHP Abort Source */ |
| #define AT91_MC_MST3 (1 << 19) /* EMAC Abort Source */ |
| #define AT91_MC_SVMST0 (1 << 24) /* Saved ARM920T Abort Source */ |
| #define AT91_MC_SVMST1 (1 << 25) /* Saved PDC Abort Source */ |
| #define AT91_MC_SVMST2 (1 << 26) /* Saved UHP Abort Source */ |
| #define AT91_MC_SVMST3 (1 << 27) /* Saved EMAC Abort Source */ |
| |
| #define AT91_MC_AASR (AT91_MC + 0x08) /* MC Abort Address Status Register */ |
| |
| #define AT91_MC_MPR (AT91_MC + 0x0c) /* MC Master Priority Register */ |
| #define AT91_MPR_MSTP0 (7 << 0) /* ARM920T Priority */ |
| #define AT91_MPR_MSTP1 (7 << 4) /* PDC Priority */ |
| #define AT91_MPR_MSTP2 (7 << 8) /* UHP Priority */ |
| #define AT91_MPR_MSTP3 (7 << 12) /* EMAC Priority */ |
| |
| /* External Bus Interface (EBI) registers */ |
| #define AT91_EBI_CSA (AT91_MC + 0x60) /* Chip Select Assignment Register */ |
| #define AT91_EBI_CS0A (1 << 0) /* Chip Select 0 Assignment */ |
| #define AT91_EBI_CS0A_SMC (0 << 0) |
| #define AT91_EBI_CS0A_BFC (1 << 0) |
| #define AT91_EBI_CS1A (1 << 1) /* Chip Select 1 Assignment */ |
| #define AT91_EBI_CS1A_SMC (0 << 1) |
| #define AT91_EBI_CS1A_SDRAMC (1 << 1) |
| #define AT91_EBI_CS3A (1 << 3) /* Chip Select 2 Assignment */ |
| #define AT91_EBI_CS3A_SMC (0 << 3) |
| #define AT91_EBI_CS3A_SMC_SMARTMEDIA (1 << 3) |
| #define AT91_EBI_CS4A (1 << 4) /* Chip Select 3 Assignment */ |
| #define AT91_EBI_CS4A_SMC (0 << 4) |
| #define AT91_EBI_CS4A_SMC_COMPACTFLASH (1 << 4) |
| #define AT91_EBI_CFGR (AT91_MC + 0x64) /* Configuration Register */ |
| #define AT91_EBI_DBPUC (1 << 0) /* Data Bus Pull-Up Configuration */ |
| |
| /* Static Memory Controller (SMC) registers */ |
| #define AT91_SMC_CSR(n) (AT91_MC + 0x70 + ((n) * 4))/* SMC Chip Select Register */ |
| #define AT91_SMC_NWS (0x7f << 0) /* Number of Wait States */ |
| #define AT91_SMC_NWS_(x) ((x) << 0) |
| #define AT91_SMC_WSEN (1 << 7) /* Wait State Enable */ |
| #define AT91_SMC_TDF (0xf << 8) /* Data Float Time */ |
| #define AT91_SMC_TDF_(x) ((x) << 8) |
| #define AT91_SMC_BAT (1 << 12) /* Byte Access Type */ |
| #define AT91_SMC_DBW (3 << 13) /* Data Bus Width */ |
| #define AT91_SMC_DBW_16 (1 << 13) |
| #define AT91_SMC_DBW_8 (2 << 13) |
| #define AT91_SMC_DPR (1 << 15) /* Data Read Protocol */ |
| #define AT91_SMC_ACSS (3 << 16) /* Address to Chip Select Setup */ |
| #define AT91_SMC_ACSS_STD (0 << 16) |
| #define AT91_SMC_ACSS_1 (1 << 16) |
| #define AT91_SMC_ACSS_2 (2 << 16) |
| #define AT91_SMC_ACSS_3 (3 << 16) |
| #define AT91_SMC_RWSETUP (7 << 24) /* Read & Write Signal Time Setup */ |
| #define AT91_SMC_RWSETUP_(x) ((x) << 24) |
| #define AT91_SMC_RWHOLD (7 << 28) /* Read & Write Signal Hold Time */ |
| #define AT91_SMC_RWHOLD_(x) ((x) << 28) |
| |
| /* SDRAM Controller registers */ |
| #define AT91_SDRAMC_MR (AT91_MC + 0x90) /* Mode Register */ |
| #define AT91_SDRAMC_MODE (0xf << 0) /* Command Mode */ |
| #define AT91_SDRAMC_MODE_NORMAL (0 << 0) |
| #define AT91_SDRAMC_MODE_NOP (1 << 0) |
| #define AT91_SDRAMC_MODE_PRECHARGE (2 << 0) |
| #define AT91_SDRAMC_MODE_LMR (3 << 0) |
| #define AT91_SDRAMC_MODE_REFRESH (4 << 0) |
| #define AT91_SDRAMC_DBW (1 << 4) /* Data Bus Width */ |
| #define AT91_SDRAMC_DBW_32 (0 << 4) |
| #define AT91_SDRAMC_DBW_16 (1 << 4) |
| |
| #define AT91_SDRAMC_TR (AT91_MC + 0x94) /* Refresh Timer Register */ |
| #define AT91_SDRAMC_COUNT (0xfff << 0) /* Refresh Timer Count */ |
| |
| #define AT91_SDRAMC_CR (AT91_MC + 0x98) /* Configuration Register */ |
| #define AT91_SDRAMC_NC (3 << 0) /* Number of Column Bits */ |
| #define AT91_SDRAMC_NC_8 (0 << 0) |
| #define AT91_SDRAMC_NC_9 (1 << 0) |
| #define AT91_SDRAMC_NC_10 (2 << 0) |
| #define AT91_SDRAMC_NC_11 (3 << 0) |
| #define AT91_SDRAMC_NR (3 << 2) /* Number of Row Bits */ |
| #define AT91_SDRAMC_NR_11 (0 << 2) |
| #define AT91_SDRAMC_NR_12 (1 << 2) |
| #define AT91_SDRAMC_NR_13 (2 << 2) |
| #define AT91_SDRAMC_NB (1 << 4) /* Number of Banks */ |
| #define AT91_SDRAMC_NB_2 (0 << 4) |
| #define AT91_SDRAMC_NB_4 (1 << 4) |
| #define AT91_SDRAMC_CAS (3 << 5) /* CAS Latency */ |
| #define AT91_SDRAMC_CAS_2 (2 << 5) |
| #define AT91_SDRAMC_TWR (0xf << 7) /* Write Recovery Delay */ |
| #define AT91_SDRAMC_TRC (0xf << 11) /* Row Cycle Delay */ |
| #define AT91_SDRAMC_TRP (0xf << 15) /* Row Precharge Delay */ |
| #define AT91_SDRAMC_TRCD (0xf << 19) /* Row to Column Delay */ |
| #define AT91_SDRAMC_TRAS (0xf << 23) /* Active to Precharge Delay */ |
| #define AT91_SDRAMC_TXSR (0xf << 27) /* Exit Self Refresh to Active Delay */ |
| |
| #define AT91_SDRAMC_SRR (AT91_MC + 0x9c) /* Self Refresh Register */ |
| #define AT91_SDRAMC_LPR (AT91_MC + 0xa0) /* Low Power Register */ |
| #define AT91_SDRAMC_IER (AT91_MC + 0xa4) /* Interrupt Enable Register */ |
| #define AT91_SDRAMC_IDR (AT91_MC + 0xa8) /* Interrupt Disable Register */ |
| #define AT91_SDRAMC_IMR (AT91_MC + 0xac) /* Interrupt Mask Register */ |
| #define AT91_SDRAMC_ISR (AT91_MC + 0xb0) /* Interrupt Status Register */ |
| |
| /* Burst Flash Controller register */ |
| #define AT91_BFC_MR (AT91_MC + 0xc0) /* Mode Register */ |
| #define AT91_BFC_BFCOM (3 << 0) /* Burst Flash Controller Operating Mode */ |
| #define AT91_BFC_BFCOM_DISABLED (0 << 0) |
| #define AT91_BFC_BFCOM_ASYNC (1 << 0) |
| #define AT91_BFC_BFCOM_BURST (2 << 0) |
| #define AT91_BFC_BFCC (3 << 2) /* Burst Flash Controller Clock */ |
| #define AT91_BFC_BFCC_MCK (1 << 2) |
| #define AT91_BFC_BFCC_DIV2 (2 << 2) |
| #define AT91_BFC_BFCC_DIV4 (3 << 2) |
| #define AT91_BFC_AVL (0xf << 4) /* Address Valid Latency */ |
| #define AT91_BFC_PAGES (7 << 8) /* Page Size */ |
| #define AT91_BFC_PAGES_NO_PAGE (0 << 8) |
| #define AT91_BFC_PAGES_16 (1 << 8) |
| #define AT91_BFC_PAGES_32 (2 << 8) |
| #define AT91_BFC_PAGES_64 (3 << 8) |
| #define AT91_BFC_PAGES_128 (4 << 8) |
| #define AT91_BFC_PAGES_256 (5 << 8) |
| #define AT91_BFC_PAGES_512 (6 << 8) |
| #define AT91_BFC_PAGES_1024 (7 << 8) |
| #define AT91_BFC_OEL (3 << 12) /* Output Enable Latency */ |
| #define AT91_BFC_BAAEN (1 << 16) /* Burst Address Advance Enable */ |
| #define AT91_BFC_BFOEH (1 << 17) /* Burst Flash Output Enable Handling */ |
| #define AT91_BFC_MUXEN (1 << 18) /* Multiplexed Bus Enable */ |
| #define AT91_BFC_RDYEN (1 << 19) /* Ready Enable Mode */ |
| |
| #endif |