[proxmark3-svn] / include / at91sam7s128.h

//-----------------------------------------------------------------------------
// Incomplete register definitions for the AT91SAM7S128 chip.
// Jonathan Westhues, Jul 2005
//-----------------------------------------------------------------------------

#ifndef __AT91SAM7S128_H
#define __AT91SAM7S128_H

#define REG(x) (*(volatile unsigned long *)(x))

//-------------
// Peripheral IDs

#define PERIPH_AIC_FIQ                                                          0
#define PERIPH_SYSIRQ                                                           1
#define PERIPH_PIOA                                                                     2
#define PERIPH_ADC                                                                      4
#define PERIPH_SPI                                                                      5
#define PERIPH_US0                                                                      6
#define PERIPH_US1                                                                      7
#define PERIPH_SSC                                                                      8
#define PERIPH_TWI                                                                      9
#define PERIPH_PWMC                                                                     10
#define PERIPH_UDP                                                                      11
#define PERIPH_TC0                                                                      12
#define PERIPH_TC1                                                                      13
#define PERIPH_TC2                                                                      14
#define PERIPH_AIC_IRQ0                                                         30
#define PERIPH_AIC_IRQ1                                                         31

//-------------
// Reset Controller

#define RSTC_BASE                                                                       (0xfffffd00)

#define RSTC_CONTROL                                                            REG(RSTC_BASE+0x00)

#define RST_CONTROL_KEY                                                         (0xa5<<24)
#define RST_CONTROL_PROCESSOR_RESET                                     (1<<0)

//-------------
// PWM Controller

#define PWM_BASE                                                                        (0xfffcc000)

#define PWM_MODE                                                                        REG(PWM_BASE+0x00)
#define PWM_ENABLE                                                                      REG(PWM_BASE+0x04)
#define PWM_DISABLE                                                                     REG(PWM_BASE+0x08)
#define PWM_STATUS                                                                      REG(PWM_BASE+0x0c)
#define PWM_INTERRUPT_ENABLE                                            REG(PWM_BASE+0x10)
#define PWM_INTERRUPT_DISABLE                                           REG(PWM_BASE+0x14)
#define PWM_INTERRUPT_MASK                                                      REG(PWM_BASE+0x18)
#define PWM_INTERRUPT_STATUS                                            REG(PWM_BASE+0x1c)
#define PWM_CH_MODE(x)                                                          REG(PWM_BASE+0x200+((x)*0x20))
#define PWM_CH_DUTY_CYCLE(x)                                            REG(PWM_BASE+0x204+((x)*0x20))
#define PWM_CH_PERIOD(x)                                                        REG(PWM_BASE+0x208+((x)*0x20))
#define PWM_CH_COUNTER(x)                                                       REG(PWM_BASE+0x20c+((x)*0x20))
#define PWM_CH_UPDATE(x)                                                        REG(PWM_BASE+0x210+((x)*0x20))

#define PWM_MODE_DIVA(x)                                                        ((x)<<0)
#define PWM_MODE_PREA(x)                                                        ((x)<<8)
#define PWM_MODE_DIVB(x)                                                        ((x)<<16)
#define PWM_MODE_PREB(x)                                                        ((x)<<24)

#define PWM_CHANNEL(x)                                                          (1<<(x))

#define PWM_CH_MODE_PRESCALER(x)                                        ((x)<<0)
#define PWM_CH_MODE_PERIOD_CENTER_ALIGNED                       (1<<8)
#define PWM_CH_MODE_POLARITY_STARTS_HIGH                        (1<<9)
#define PWM_CH_MODE_UPDATE_UPDATES_PERIOD                       (1<<10)

//-------------
// Debug Unit

#define DBG_BASE                                                                        (0xfffff200)

#define DBGU_CR                                                                         REG(DBG_BASE+0x0000)
#define DBGU_MR                                                                         REG(DBG_BASE+0x0004)
#define DBGU_IER                                                                        REG(DBG_BASE+0x0008)
#define DBGU_IDR                                                                        REG(DBG_BASE+0x000C)
#define DBGU_IMR                                                                        REG(DBG_BASE+0x0010)
#define DBGU_SR                                                                         REG(DBG_BASE+0x0014)
#define DBGU_RHR                                                                        REG(DBG_BASE+0x0018)
#define DBGU_THR                                                                        REG(DBG_BASE+0x001C)
#define DBGU_BRGR                                                                       REG(DBG_BASE+0x0020)
#define DBGU_CIDR                                                                       REG(DBG_BASE+0x0040)
#define DBGU_EXID                                                                       REG(DBG_BASE+0x0044)
#define DBGU_FNR                                                                        REG(DBG_BASE+0x0048)

//-------------
// Embedded Flash Controller

#define MC_BASE                                                                         (0xffffff00)

#define MC_FLASH_MODE0                                                          REG(MC_BASE+0x60)
#define MC_FLASH_COMMAND                                                        REG(MC_BASE+0x64)
#define MC_FLASH_STATUS                                                         REG(MC_BASE+0x68)
#define MC_FLASH_MODE1                                                          REG(MC_BASE+0x70)

#define MC_FLASH_MODE_READY_INTERRUPT_ENABLE            (1<<0)
#define MC_FLASH_MODE_LOCK_INTERRUPT_ENABLE                     (1<<2)
#define MC_FLASH_MODE_PROG_ERROR_INTERRUPT_ENABLE       (1<<3)
#define MC_FLASH_MODE_NO_ERASE_BEFORE_PROGRAMMING       (1<<7)
#define MC_FLASH_MODE_FLASH_WAIT_STATES(x)                      ((x)<<8)
#define MC_FLASH_MODE_MASTER_CLK_IN_MHZ(x)                      ((x)<<16)

#define MC_FLASH_COMMAND_FCMD(x)                                        ((x)<<0)
#define MC_FLASH_COMMAND_PAGEN(x)                                       ((x)<<8)
#define MC_FLASH_COMMAND_KEY                                            ((0x5a)<<24)

#define FCMD_NOP                                                                        0x0
#define FCMD_WRITE_PAGE                                                         0x1
#define FCMD_SET_LOCK_BIT                                                       0x2
#define FCMD_WRITE_PAGE_LOCK                                            0x3
#define FCMD_CLEAR_LOCK_BIT                                                     0x4
#define FCMD_ERASE_ALL                                                          0x8
#define FCMD_SET_GP_NVM_BIT                                                     0xb
#define FCMD_SET_SECURITY_BIT                                           0xf

#define MC_FLASH_STATUS_READY                                           (1<<0)
#define MC_FLASH_STATUS_LOCK_ERROR                                      (1<<2)
#define MC_FLASH_STATUS_PROGRAMMING_ERROR                       (1<<3)
#define MC_FLASH_STATUS_SECURITY_BIT_ACTIVE                     (1<<4)
#define MC_FLASH_STATUS_GP_NVM_ACTIVE_0                         (1<<8)
#define MC_FLASH_STATUS_GP_NVM_ACTIVE_1                         (1<<9)
#define MC_FLASH_STATUS_LOCK_ACTIVE(x)                          (1<<((x)+16))

#define FLASH_PAGE_SIZE_BYTES                                           256
#define FLASH_PAGE_COUNT                                                        512

//-------------
// Watchdog Timer - 12 bit down counter, uses slow clock divided by 128 as source

#define WDT_BASE                                                                        (0xfffffd40)

#define WDT_CONTROL                                                                     REG(WDT_BASE+0x00)
#define WDT_MODE                                                                        REG(WDT_BASE+0x04)
#define WDT_STATUS                                                                      REG(WDT_BASE+0x08)

#define WDT_HIT()                                                                       WDT_CONTROL = 0xa5000001

#define WDT_MODE_COUNT(x)                                                       ((x)<<0)
#define WDT_MODE_INTERRUPT_ON_EVENT                                     (1<<12)
#define WDT_MODE_RESET_ON_EVENT_ENABLE                          (1<<13)
#define WDT_MODE_RESET_ON_EVENT                                         (1<<14)
#define WDT_MODE_WATCHDOG_DELTA(x)                                      ((x)<<16)
#define WDT_MODE_HALT_IN_DEBUG_MODE                                     (1<<28)
#define WDT_MODE_HALT_IN_IDLE_MODE                                      (1<<29)
#define WDT_MODE_DISABLE                                                        (1<<15)

//-------------
// Parallel Input/Output Controller

#define PIO_BASE                                                                        (0xfffff400)

#define PIO_ENABLE                                                                      REG(PIO_BASE+0x000)
#define PIO_DISABLE                                                                     REG(PIO_BASE+0x004)
#define PIO_STATUS                                                                      REG(PIO_BASE+0x008)
#define PIO_OUTPUT_ENABLE                                                       REG(PIO_BASE+0x010)
#define PIO_OUTPUT_DISABLE                                                      REG(PIO_BASE+0x014)
#define PIO_OUTPUT_STATUS                                                       REG(PIO_BASE+0x018)
#define PIO_GLITCH_ENABLE                                                       REG(PIO_BASE+0x020)
#define PIO_GLITCH_DISABLE                                                      REG(PIO_BASE+0x024)
#define PIO_GLITCH_STATUS                                                       REG(PIO_BASE+0x028)
#define PIO_OUTPUT_DATA_SET                                                     REG(PIO_BASE+0x030)
#define PIO_OUTPUT_DATA_CLEAR                                           REG(PIO_BASE+0x034)
#define PIO_OUTPUT_DATA_STATUS                                          REG(PIO_BASE+0x038)
#define PIO_PIN_DATA_STATUS                                                     REG(PIO_BASE+0x03c)
#define PIO_OPEN_DRAIN_ENABLE                                           REG(PIO_BASE+0x050)
#define PIO_OPEN_DRAIN_DISABLE                                          REG(PIO_BASE+0x054)
#define PIO_OPEN_DRAIN_STATUS                                           REG(PIO_BASE+0x058)
#define PIO_NO_PULL_UP_ENABLE                                           REG(PIO_BASE+0x060)
#define PIO_NO_PULL_UP_DISABLE                                          REG(PIO_BASE+0x064)
#define PIO_NO_PULL_UP_STATUS                                           REG(PIO_BASE+0x068)
#define PIO_PERIPHERAL_A_SEL                                            REG(PIO_BASE+0x070)
#define PIO_PERIPHERAL_B_SEL                                            REG(PIO_BASE+0x074)
#define PIO_PERIPHERAL_WHICH                                            REG(PIO_BASE+0x078)
#define PIO_OUT_WRITE_ENABLE                                            REG(PIO_BASE+0x0a0)
#define PIO_OUT_WRITE_DISABLE                                           REG(PIO_BASE+0x0a4)
#define PIO_OUT_WRITE_STATUS                                            REG(PIO_BASE+0x0a8)

//-------------
// USB Device Port

#define UDP_BASE                                                                        (0xfffb0000)

#define UDP_FRAME_NUMBER                                                        REG(UDP_BASE+0x0000)
#define UDP_GLOBAL_STATE                                                        REG(UDP_BASE+0x0004)
#define UDP_FUNCTION_ADDR                                                       REG(UDP_BASE+0x0008)
#define UDP_INTERRUPT_ENABLE                                            REG(UDP_BASE+0x0010)
#define UDP_INTERRUPT_DISABLE                                           REG(UDP_BASE+0x0014)
#define UDP_INTERRUPT_MASK                                                      REG(UDP_BASE+0x0018)
#define UDP_INTERRUPT_STATUS                                            REG(UDP_BASE+0x001c)
#define UDP_INTERRUPT_CLEAR                                                     REG(UDP_BASE+0x0020)
#define UDP_RESET_ENDPOINT                                                      REG(UDP_BASE+0x0028)
#define UDP_ENDPOINT_CSR(x)                                                     REG(UDP_BASE+0x0030+((x)*4))
#define UDP_ENDPOINT_FIFO(x)                                            REG(UDP_BASE+0x0050+((x)*4))
#define UDP_TRANSCEIVER_CTRL                                            REG(UDP_BASE+0x0074)

#define UDP_GLOBAL_STATE_ADDRESSED                                      (1<<0)
#define UDP_GLOBAL_STATE_CONFIGURED                                     (1<<1)
#define UDP_GLOBAL_STATE_SEND_RESUME_ENABLED            (1<<2)
#define UDP_GLOBAL_STATE_RESUME_RECEIVED                        (1<<3)
#define UDP_GLOBAL_STATE_REMOTE_WAKE_UP_ENABLED         (1<<4)

#define UDP_FUNCTION_ADDR_ENABLED                                       (1<<8)

#define UDP_INTERRUPT_ENDPOINT(x)                                       (1<<(x))
#define UDP_INTERRUPT_SUSPEND                                           (1<<8)
#define UDP_INTERRUPT_RESUME                                            (1<<9)
#define UDP_INTERRUPT_EXTERNAL_RESUME                           (1<<10)
#define UDP_INTERRUPT_SOF                                                       (1<<11)
#define UDP_INTERRUPT_END_OF_BUS_RESET                          (1<<12)
#define UDP_INTERRUPT_WAKEUP                                            (1<<13)

#define UDP_RESET_ENDPOINT_NUMBER(x)                            (1<<(x))

#define UDP_CSR_TX_PACKET_ACKED                                         (1<<0)
#define UDP_CSR_RX_PACKET_RECEIVED_BANK_0                       (1<<1)
#define UDP_CSR_RX_HAVE_READ_SETUP_DATA                         (1<<2)
#define UDP_CSR_STALL_SENT                                                      (1<<3)
#define UDP_CSR_TX_PACKET                                                       (1<<4)
#define UDP_CSR_FORCE_STALL                                                     (1<<5)
#define UDP_CSR_RX_PACKET_RECEIVED_BANK_1                       (1<<6)
#define UDP_CSR_CONTROL_DATA_DIR                                        (1<<7)
#define UDP_CSR_EPTYPE_CONTROL                                          (0<<8)
#define UDP_CSR_EPTYPE_ISOCHRON_OUT                                     (1<<8)
#define UDP_CSR_EPTYPE_ISOCHRON_IN                                      (5<<8)
#define UDP_CSR_EPTYPE_BULK_OUT                                         (2<<8)
#define UDP_CSR_EPTYPE_BULK_IN                                          (6<<8)
#define UDP_CSR_EPTYPE_INTERRUPT_OUT                            (3<<8)
#define UDP_CSR_EPTYPE_INTERRUPT_IN                                     (7<<8)
#define UDP_CSR_IS_DATA1                                                        (1<<11)
#define UDP_CSR_ENABLE_EP                                                       (1<<15)
#define UDP_CSR_BYTES_RECEIVED(x)                                       (((x) >> 16) & 0x7ff)

#define UDP_TRANSCEIVER_CTRL_DISABLE                            (1<<8)

//-------------
// Power Management Controller

#define PMC_BASE                                                                        (0xfffffc00)

#define PMC_SYS_CLK_ENABLE                                                      REG(PMC_BASE+0x0000)
#define PMC_SYS_CLK_DISABLE                                                     REG(PMC_BASE+0x0004)
#define PMC_SYS_CLK_STATUS                                                      REG(PMC_BASE+0x0008)
#define PMC_PERIPHERAL_CLK_ENABLE                                       REG(PMC_BASE+0x0010)
#define PMC_PERIPHERAL_CLK_DISABLE                                      REG(PMC_BASE+0x0014)
#define PMC_PERIPHERAL_CLK_STATUS                                       REG(PMC_BASE+0x0018)
#define PMC_MAIN_OSCILLATOR                                                     REG(PMC_BASE+0x0020)
#define PMC_MAIN_CLK_FREQUENCY                                          REG(PMC_BASE+0x0024)
#define PMC_PLL                                                                         REG(PMC_BASE+0x002c)
#define PMC_MASTER_CLK                                                          REG(PMC_BASE+0x0030)
#define PMC_PROGRAMMABLE_CLK_0                                          REG(PMC_BASE+0x0040)
#define PMC_PROGRAMMABLE_CLK_1                                          REG(PMC_BASE+0x0044)
#define PMC_INTERRUPT_ENABLE                                            REG(PMC_BASE+0x0060)
#define PMC_INTERRUPT_DISABLE                                           REG(PMC_BASE+0x0064)
#define PMC_INTERRUPT_STATUS                                            REG(PMC_BASE+0x0068)
#define PMC_INTERRUPT_MASK                                                      REG(PMC_BASE+0x006c)

#define PMC_SYS_CLK_PROCESSOR_CLK                                       (1<<0)
#define PMC_SYS_CLK_UDP_CLK                                                     (1<<7)
#define PMC_SYS_CLK_PROGRAMMABLE_CLK_0                          (1<<8)
#define PMC_SYS_CLK_PROGRAMMABLE_CLK_1                          (1<<9)
#define PMC_SYS_CLK_PROGRAMMABLE_CLK_2                          (1<<10)

#define PMC_MAIN_OSCILLATOR_STABILIZED                          (1<<0)
#define PMC_MAIN_OSCILLATOR_PLL_LOCK                            (1<<2)
#define PMC_MAIN_OSCILLATOR_MCK_READY                           (1<<3)
#define PMC_MAIN_OSCILLATOR_ENABLE                                      (1<<0)
#define PMC_MAIN_OSCILLATOR_BYPASS                                      (1<<1)
#define PMC_MAIN_OSCILLATOR_STARTUP_DELAY(x)            ((x)<<8)

#define PMC_PLL_DIVISOR(x)                                                      (x)
#define PMC_PLL_COUNT_BEFORE_LOCK(x)                            ((x)<<8)
#define PMC_PLL_FREQUENCY_RANGE(x)                                      ((x)<<14)
#define PMC_PLL_MULTIPLIER(x)                                           (((x)-1)<<16)
#define PMC_PLL_USB_DIVISOR(x)                                          ((x)<<28)

#define PMC_CLK_SELECTION_PLL_CLOCK                                     (3<<0)
#define PMC_CLK_SELECTION_MAIN_CLOCK                            (1<<0)
#define PMC_CLK_SELECTION_SLOW_CLOCK                            (0<<0)
#define PMC_CLK_PRESCALE_DIV_1                                          (0<<2)
#define PMC_CLK_PRESCALE_DIV_2                                          (1<<2)
#define PMC_CLK_PRESCALE_DIV_4                                          (2<<2)
#define PMC_CLK_PRESCALE_DIV_8                                          (3<<2)
#define PMC_CLK_PRESCALE_DIV_16                                         (4<<2)
#define PMC_CLK_PRESCALE_DIV_32                                         (5<<2)
#define PMC_CLK_PRESCALE_DIV_64                                         (6<<2)

//-------------
// Serial Peripheral Interface (SPI)

#define SPI_BASE                                                                        (0xfffe0000)

#define SPI_CONTROL                                                                     REG(SPI_BASE+0x00)
#define SPI_MODE                                                                        REG(SPI_BASE+0x04)
#define SPI_RX_DATA                                                                     REG(SPI_BASE+0x08)
#define SPI_TX_DATA                                                                     REG(SPI_BASE+0x0c)
#define SPI_STATUS                                                                      REG(SPI_BASE+0x10)
#define SPI_INTERRUPT_ENABLE                                            REG(SPI_BASE+0x14)
#define SPI_INTERRUPT_DISABLE                                           REG(SPI_BASE+0x18)
#define SPI_INTERRUPT_MASK                                                      REG(SPI_BASE+0x1c)
#define SPI_FOR_CHIPSEL_0                                                       REG(SPI_BASE+0x30)
#define SPI_FOR_CHIPSEL_1                                                       REG(SPI_BASE+0x34)
#define SPI_FOR_CHIPSEL_2                                                       REG(SPI_BASE+0x38)
#define SPI_FOR_CHIPSEL_3                                                       REG(SPI_BASE+0x3c)

#define SPI_CONTROL_ENABLE                                                      (1<<0)
#define SPI_CONTROL_DISABLE                                                     (1<<1)
#define SPI_CONTROL_RESET                                                       (1<<7)
#define SPI_CONTROL_LAST_TRANSFER                                       (1<<24)

#define SPI_MODE_MASTER                                                         (1<<0)
#define SPI_MODE_VARIABLE_CHIPSEL                                       (1<<1)
#define SPI_MODE_CHIPSELS_DECODED                                       (1<<2)
#define SPI_MODE_USE_DIVIDED_CLOCK                                      (1<<3)
#define SPI_MODE_MODE_FAULT_DETECTION_OFF                       (1<<4)
#define SPI_MODE_LOOPBACK                                                       (1<<7)
#define SPI_MODE_CHIPSEL(x)                                                     ((x)<<16)
#define SPI_MODE_DELAY_BETWEEN_CHIPSELS(x)                      ((x)<<24)

#define SPI_RX_DATA_CHIPSEL(x)                                          (((x)>>16)&0xf)

#define SPI_TX_DATA_CHIPSEL(x)                                          ((x)<<16)
#define SPI_TX_DATA_LAST_TRANSFER                                       (1<<24)

#define SPI_STATUS_RECEIVE_FULL                                         (1<<0)
#define SPI_STATUS_TRANSMIT_EMPTY                                       (1<<1)
#define SPI_STATUS_MODE_FAULT                                           (1<<2)
#define SPI_STATUS_OVERRUN                                                      (1<<3)
#define SPI_STATUS_END_OF_RX_BUFFER                                     (1<<4)
#define SPI_STATUS_END_OF_TX_BUFFER                                     (1<<5)
#define SPI_STATUS_RX_BUFFER_FULL                                       (1<<6)
#define SPI_STATUS_TX_BUFFER_EMPTY                                      (1<<7)
#define SPI_STATUS_NSS_RISING_DETECTED                          (1<<8)
#define SPI_STATUS_TX_EMPTY                                                     (1<<9)
#define SPI_STATUS_SPI_ENABLED                                          (1<<16)

#define SPI_FOR_CHIPSEL_INACTIVE_CLK_1                          (1<<0)
#define SPI_FOR_CHIPSEL_PHASE                                           (1<<1)
#define SPI_FOR_CHIPSEL_LEAVE_CHIPSEL_LOW                       (1<<3)
#define SPI_FOR_CHIPSEL_BITS_IN_WORD(x)                         ((x)<<4)
#define SPI_FOR_CHIPSEL_DIVISOR(x)                                      ((x)<<8)
#define SPI_FOR_CHIPSEL_DELAY_BEFORE_CLK(x)             ((x)<<16)
#define SPI_FOR_CHIPSEL_INTERWORD_DELAY(x)                      ((x)<<24)

//-------------
// Analog to Digital Converter

#define ADC_BASE                (0xfffd8000)

#define ADC_CONTROL                                                                     REG(ADC_BASE+0x00)
#define ADC_MODE                                                                        REG(ADC_BASE+0x04)
#define ADC_CHANNEL_ENABLE                                                      REG(ADC_BASE+0x10)
#define ADC_CHANNEL_DISABLE                                                     REG(ADC_BASE+0x14)
#define ADC_CHANNEL_STATUS                                                      REG(ADC_BASE+0x18)
#define ADC_STATUS                                                                      REG(ADC_BASE+0x1c)
#define ADC_LAST_CONVERTED_DATA                                         REG(ADC_BASE+0x20)
#define ADC_INTERRUPT_ENABLE                                            REG(ADC_BASE+0x24)
#define ADC_INTERRUPT_DISABLE                                           REG(ADC_BASE+0x28)
#define ADC_INTERRUPT_MASK                                                      REG(ADC_BASE+0x2c)
#define ADC_CHANNEL_DATA(x)                                                     REG(ADC_BASE+0x30+(4*(x)))

#define ADC_CONTROL_RESET                                                       (1<<0)
#define ADC_CONTROL_START                                                       (1<<1)

#define ADC_MODE_HW_TRIGGERS_ENABLED                            (1<<0)
#define ADC_MODE_8_BIT_RESOLUTION                                       (1<<4)
#define ADC_MODE_SLEEP                                                          (1<<5)
#define ADC_MODE_PRESCALE(x)                                            ((x)<<8)
#define ADC_MODE_STARTUP_TIME(x)                                        ((x)<<16)
#define ADC_MODE_SAMPLE_HOLD_TIME(x)                            ((x)<<24)

#define ADC_CHANNEL(x)                                                          (1<<(x))

#define ADC_END_OF_CONVERSION(x)                                        (1<<(x))
#define ADC_OVERRUN_ERROR(x)                                            (1<<(8+(x)))
#define ADC_DATA_READY                                                          (1<<16)
#define ADC_GENERAL_OVERRUN                                                     (1<<17)
#define ADC_END_OF_RX_BUFFER                                            (1<<18)
#define ADC_RX_BUFFER_FULL                                                      (1<<19)

//-------------
// Synchronous Serial Controller

#define SSC_BASE                                                                        (0xfffd4000)

#define SSC_CONTROL                                                                     REG(SSC_BASE+0x00)
#define SSC_CLOCK_DIVISOR                                                       REG(SSC_BASE+0x04)
#define SSC_RECEIVE_CLOCK_MODE                                          REG(SSC_BASE+0x10)
#define SSC_RECEIVE_FRAME_MODE                                          REG(SSC_BASE+0x14)
#define SSC_TRANSMIT_CLOCK_MODE                                         REG(SSC_BASE+0x18)
#define SSC_TRANSMIT_FRAME_MODE                                         REG(SSC_BASE+0x1c)
#define SSC_RECEIVE_HOLDING                                                     REG(SSC_BASE+0x20)
#define SSC_TRANSMIT_HOLDING                                            REG(SSC_BASE+0x24)
#define SSC_RECEIVE_SYNC_HOLDING                                        REG(SSC_BASE+0x30)
#define SSC_TRANSMIT_SYNC_HOLDING                                       REG(SSC_BASE+0x34)
#define SSC_STATUS                                                                      REG(SSC_BASE+0x40)
#define SSC_INTERRUPT_ENABLE                                            REG(SSC_BASE+0x44)
#define SSC_INTERRUPT_DISABLE                                           REG(SSC_BASE+0x48)
#define SSC_INTERRUPT_MASK                                                      REG(SSC_BASE+0x4c)

#define SSC_CONTROL_RX_ENABLE                                           (1<<0)
#define SSC_CONTROL_RX_DISABLE                                          (1<<1)
#define SSC_CONTROL_TX_ENABLE                                           (1<<8)
#define SSC_CONTROL_TX_DISABLE                                          (1<<9)
#define SSC_CONTROL_RESET                                                       (1<<15)

#define SSC_CLOCK_MODE_SELECT(x)                                        ((x)<<0)
#define SSC_CLOCK_MODE_OUTPUT(x)                                        ((x)<<2)
#define SSC_CLOCK_MODE_INVERT                                           (1<<5)
#define SSC_CLOCK_MODE_START(x)                                         ((x)<<8)
#define SSC_CLOCK_MODE_START_DELAY(x)                           ((x)<<16)
#define SSC_CLOCK_MODE_FRAME_PERIOD(x)                          ((x)<<24)

#define SSC_FRAME_MODE_BITS_IN_WORD(x)                          (((x)-1)<<0)
#define SSC_FRAME_MODE_LOOPBACK                                         (1<<5) // for RX
#define SSC_FRAME_MODE_DEFAULT_IS_1                                     (1<<5) // for TX
#define SSC_FRAME_MODE_MSB_FIRST                                        (1<<7)
#define SSC_FRAME_MODE_WORDS_PER_TRANSFER(x)            ((x)<<8)
#define SSC_FRAME_MODE_FRAME_SYNC_LEN(x)                        ((x)<<16)
#define SSC_FRAME_MODE_FRAME_SYNC_TYPE(x)                       ((x)<<20)
#define SSC_FRAME_MODE_SYNC_DATA_ENABLE                         (1<<23) // for TX only
#define SSC_FRAME_MODE_NEGATIVE_EDGE                            (1<<24)

#define SSC_STATUS_TX_READY                                                     (1<<0)
#define SSC_STATUS_TX_EMPTY                                                     (1<<1)
#define SSC_STATUS_TX_ENDED                                                     (1<<2)
#define SSC_STATUS_TX_BUF_EMPTY                                         (1<<3)
#define SSC_STATUS_RX_READY                                                     (1<<4)
#define SSC_STATUS_RX_OVERRUN                                           (1<<5)
#define SSC_STATUS_RX_ENDED                                                     (1<<6)
#define SSC_STATUS_RX_BUF_FULL                                          (1<<7)
#define SSC_STATUS_TX_SYNC_OCCURRED                                     (1<<10)
#define SSC_STATUS_RX_SYNC_OCCURRED                                     (1<<11)
#define SSC_STATUS_TX_ENABLED                                           (1<<16)
#define SSC_STATUS_RX_ENABLED                                           (1<<17)

//-------------
// Peripheral DMA Controller
//
// There is one set of registers for every peripheral that supports DMA.

#define PDC_RX_POINTER(x)                                                       REG((x)+0x100)
#define PDC_RX_COUNTER(x)                                                       REG((x)+0x104)
#define PDC_TX_POINTER(x)                                                       REG((x)+0x108)
#define PDC_TX_COUNTER(x)                                                       REG((x)+0x10c)
#define PDC_RX_NEXT_POINTER(x)                                          REG((x)+0x110)
#define PDC_RX_NEXT_COUNTER(x)                                          REG((x)+0x114)
#define PDC_TX_NEXT_POINTER(x)                                          REG((x)+0x118)
#define PDC_TX_NEXT_COUNTER(x)                                          REG((x)+0x11c)
#define PDC_CONTROL(x)                                                          REG((x)+0x120)
#define PDC_STATUS(x)                                                           REG((x)+0x124)

#define PDC_RX_ENABLE                                                           (1<<0)
#define PDC_RX_DISABLE                                                          (1<<1)
#define PDC_TX_ENABLE                                                           (1<<8)
#define PDC_TX_DISABLE                                                          (1<<9)

#endif