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464 lines
18 KiB
C
464 lines
18 KiB
C
//-----------------------------------------------------------------------------
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// Incomplete register definitions for the AT91SAM7S128 chip.
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// Jonathan Westhues, Jul 2005
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//-----------------------------------------------------------------------------
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#ifndef __AT91SAM7S128_H
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#define __AT91SAM7S128_H
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#define REG(x) (*(volatile unsigned long *)(x))
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//-------------
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// Peripheral IDs
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#define PERIPH_AIC_FIQ 0
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#define PERIPH_SYSIRQ 1
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#define PERIPH_PIOA 2
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#define PERIPH_ADC 4
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#define PERIPH_SPI 5
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#define PERIPH_US0 6
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#define PERIPH_US1 7
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#define PERIPH_SSC 8
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#define PERIPH_TWI 9
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#define PERIPH_PWMC 10
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#define PERIPH_UDP 11
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#define PERIPH_TC0 12
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#define PERIPH_TC1 13
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#define PERIPH_TC2 14
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#define PERIPH_AIC_IRQ0 30
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#define PERIPH_AIC_IRQ1 31
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//-------------
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// Reset Controller
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#define RSTC_BASE (0xfffffd00)
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#define RSTC_CONTROL REG(RSTC_BASE+0x00)
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#define RST_CONTROL_KEY (0xa5<<24)
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#define RST_CONTROL_PROCESSOR_RESET (1<<0)
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//-------------
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// PWM Controller
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#define PWM_BASE (0xfffcc000)
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#define PWM_MODE REG(PWM_BASE+0x00)
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#define PWM_ENABLE REG(PWM_BASE+0x04)
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#define PWM_DISABLE REG(PWM_BASE+0x08)
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#define PWM_STATUS REG(PWM_BASE+0x0c)
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#define PWM_INTERRUPT_ENABLE REG(PWM_BASE+0x10)
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#define PWM_INTERRUPT_DISABLE REG(PWM_BASE+0x14)
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#define PWM_INTERRUPT_MASK REG(PWM_BASE+0x18)
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#define PWM_INTERRUPT_STATUS REG(PWM_BASE+0x1c)
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#define PWM_CH_MODE(x) REG(PWM_BASE+0x200+((x)*0x20))
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#define PWM_CH_DUTY_CYCLE(x) REG(PWM_BASE+0x204+((x)*0x20))
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#define PWM_CH_PERIOD(x) REG(PWM_BASE+0x208+((x)*0x20))
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#define PWM_CH_COUNTER(x) REG(PWM_BASE+0x20c+((x)*0x20))
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#define PWM_CH_UPDATE(x) REG(PWM_BASE+0x210+((x)*0x20))
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#define PWM_MODE_DIVA(x) ((x)<<0)
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#define PWM_MODE_PREA(x) ((x)<<8)
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#define PWM_MODE_DIVB(x) ((x)<<16)
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#define PWM_MODE_PREB(x) ((x)<<24)
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#define PWM_CHANNEL(x) (1<<(x))
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#define PWM_CH_MODE_PRESCALER(x) ((x)<<0)
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#define PWM_CH_MODE_PERIOD_CENTER_ALIGNED (1<<8)
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#define PWM_CH_MODE_POLARITY_STARTS_HIGH (1<<9)
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#define PWM_CH_MODE_UPDATE_UPDATES_PERIOD (1<<10)
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//-------------
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// Debug Unit
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#define DBG_BASE (0xfffff200)
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#define DBGU_CR REG(DBG_BASE+0x0000)
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#define DBGU_MR REG(DBG_BASE+0x0004)
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#define DBGU_IER REG(DBG_BASE+0x0008)
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#define DBGU_IDR REG(DBG_BASE+0x000C)
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#define DBGU_IMR REG(DBG_BASE+0x0010)
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#define DBGU_SR REG(DBG_BASE+0x0014)
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#define DBGU_RHR REG(DBG_BASE+0x0018)
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#define DBGU_THR REG(DBG_BASE+0x001C)
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#define DBGU_BRGR REG(DBG_BASE+0x0020)
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#define DBGU_CIDR REG(DBG_BASE+0x0040)
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#define DBGU_EXID REG(DBG_BASE+0x0044)
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#define DBGU_FNR REG(DBG_BASE+0x0048)
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//-------------
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// Embedded Flash Controller
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#define MC_BASE (0xffffff00)
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#define MC_FLASH_MODE0 REG(MC_BASE+0x60)
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#define MC_FLASH_COMMAND REG(MC_BASE+0x64)
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#define MC_FLASH_STATUS REG(MC_BASE+0x68)
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#define MC_FLASH_MODE1 REG(MC_BASE+0x70)
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#define MC_FLASH_MODE_READY_INTERRUPT_ENABLE (1<<0)
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#define MC_FLASH_MODE_LOCK_INTERRUPT_ENABLE (1<<2)
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#define MC_FLASH_MODE_PROG_ERROR_INTERRUPT_ENABLE (1<<3)
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#define MC_FLASH_MODE_NO_ERASE_BEFORE_PROGRAMMING (1<<7)
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#define MC_FLASH_MODE_FLASH_WAIT_STATES(x) ((x)<<8)
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#define MC_FLASH_MODE_MASTER_CLK_IN_MHZ(x) ((x)<<16)
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#define MC_FLASH_COMMAND_FCMD(x) ((x)<<0)
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#define MC_FLASH_COMMAND_PAGEN(x) ((x)<<8)
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#define MC_FLASH_COMMAND_KEY ((0x5a)<<24)
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#define FCMD_NOP 0x0
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#define FCMD_WRITE_PAGE 0x1
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#define FCMD_SET_LOCK_BIT 0x2
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#define FCMD_WRITE_PAGE_LOCK 0x3
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#define FCMD_CLEAR_LOCK_BIT 0x4
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#define FCMD_ERASE_ALL 0x8
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#define FCMD_SET_GP_NVM_BIT 0xb
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#define FCMD_SET_SECURITY_BIT 0xf
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#define MC_FLASH_STATUS_READY (1<<0)
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#define MC_FLASH_STATUS_LOCK_ERROR (1<<2)
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#define MC_FLASH_STATUS_PROGRAMMING_ERROR (1<<3)
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#define MC_FLASH_STATUS_SECURITY_BIT_ACTIVE (1<<4)
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#define MC_FLASH_STATUS_GP_NVM_ACTIVE_0 (1<<8)
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#define MC_FLASH_STATUS_GP_NVM_ACTIVE_1 (1<<9)
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#define MC_FLASH_STATUS_LOCK_ACTIVE(x) (1<<((x)+16))
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#define FLASH_PAGE_SIZE_BYTES 256
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#define FLASH_PAGE_COUNT 512
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//-------------
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// Watchdog Timer - 12 bit down counter, uses slow clock divided by 128 as source
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#define WDT_BASE (0xfffffd40)
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#define WDT_CONTROL REG(WDT_BASE+0x00)
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#define WDT_MODE REG(WDT_BASE+0x04)
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#define WDT_STATUS REG(WDT_BASE+0x08)
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#define WDT_HIT() WDT_CONTROL = 0xa5000001
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#define WDT_MODE_COUNT(x) ((x)<<0)
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#define WDT_MODE_INTERRUPT_ON_EVENT (1<<12)
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#define WDT_MODE_RESET_ON_EVENT_ENABLE (1<<13)
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#define WDT_MODE_RESET_ON_EVENT (1<<14)
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#define WDT_MODE_WATCHDOG_DELTA(x) ((x)<<16)
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#define WDT_MODE_HALT_IN_DEBUG_MODE (1<<28)
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#define WDT_MODE_HALT_IN_IDLE_MODE (1<<29)
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#define WDT_MODE_DISABLE (1<<15)
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//-------------
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// Parallel Input/Output Controller
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#define PIO_BASE (0xfffff400)
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#define PIO_ENABLE REG(PIO_BASE+0x000)
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#define PIO_DISABLE REG(PIO_BASE+0x004)
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#define PIO_STATUS REG(PIO_BASE+0x008)
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#define PIO_OUTPUT_ENABLE REG(PIO_BASE+0x010)
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#define PIO_OUTPUT_DISABLE REG(PIO_BASE+0x014)
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#define PIO_OUTPUT_STATUS REG(PIO_BASE+0x018)
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#define PIO_GLITCH_ENABLE REG(PIO_BASE+0x020)
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#define PIO_GLITCH_DISABLE REG(PIO_BASE+0x024)
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#define PIO_GLITCH_STATUS REG(PIO_BASE+0x028)
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#define PIO_OUTPUT_DATA_SET REG(PIO_BASE+0x030)
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#define PIO_OUTPUT_DATA_CLEAR REG(PIO_BASE+0x034)
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#define PIO_OUTPUT_DATA_STATUS REG(PIO_BASE+0x038)
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#define PIO_PIN_DATA_STATUS REG(PIO_BASE+0x03c)
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#define PIO_OPEN_DRAIN_ENABLE REG(PIO_BASE+0x050)
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#define PIO_OPEN_DRAIN_DISABLE REG(PIO_BASE+0x054)
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#define PIO_OPEN_DRAIN_STATUS REG(PIO_BASE+0x058)
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#define PIO_NO_PULL_UP_ENABLE REG(PIO_BASE+0x060)
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#define PIO_NO_PULL_UP_DISABLE REG(PIO_BASE+0x064)
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#define PIO_NO_PULL_UP_STATUS REG(PIO_BASE+0x068)
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#define PIO_PERIPHERAL_A_SEL REG(PIO_BASE+0x070)
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#define PIO_PERIPHERAL_B_SEL REG(PIO_BASE+0x074)
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#define PIO_PERIPHERAL_WHICH REG(PIO_BASE+0x078)
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#define PIO_OUT_WRITE_ENABLE REG(PIO_BASE+0x0a0)
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#define PIO_OUT_WRITE_DISABLE REG(PIO_BASE+0x0a4)
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#define PIO_OUT_WRITE_STATUS REG(PIO_BASE+0x0a8)
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//-------------
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// USB Device Port
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#define UDP_BASE (0xfffb0000)
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#define UDP_FRAME_NUMBER REG(UDP_BASE+0x0000)
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#define UDP_GLOBAL_STATE REG(UDP_BASE+0x0004)
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#define UDP_FUNCTION_ADDR REG(UDP_BASE+0x0008)
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#define UDP_INTERRUPT_ENABLE REG(UDP_BASE+0x0010)
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#define UDP_INTERRUPT_DISABLE REG(UDP_BASE+0x0014)
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#define UDP_INTERRUPT_MASK REG(UDP_BASE+0x0018)
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#define UDP_INTERRUPT_STATUS REG(UDP_BASE+0x001c)
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#define UDP_INTERRUPT_CLEAR REG(UDP_BASE+0x0020)
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#define UDP_RESET_ENDPOINT REG(UDP_BASE+0x0028)
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#define UDP_ENDPOINT_CSR(x) REG(UDP_BASE+0x0030+((x)*4))
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#define UDP_ENDPOINT_FIFO(x) REG(UDP_BASE+0x0050+((x)*4))
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#define UDP_TRANSCEIVER_CTRL REG(UDP_BASE+0x0074)
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#define UDP_GLOBAL_STATE_ADDRESSED (1<<0)
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#define UDP_GLOBAL_STATE_CONFIGURED (1<<1)
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#define UDP_GLOBAL_STATE_SEND_RESUME_ENABLED (1<<2)
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#define UDP_GLOBAL_STATE_RESUME_RECEIVED (1<<3)
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#define UDP_GLOBAL_STATE_REMOTE_WAKE_UP_ENABLED (1<<4)
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#define UDP_FUNCTION_ADDR_ENABLED (1<<8)
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#define UDP_INTERRUPT_ENDPOINT(x) (1<<(x))
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#define UDP_INTERRUPT_SUSPEND (1<<8)
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#define UDP_INTERRUPT_RESUME (1<<9)
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#define UDP_INTERRUPT_EXTERNAL_RESUME (1<<10)
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#define UDP_INTERRUPT_SOF (1<<11)
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#define UDP_INTERRUPT_END_OF_BUS_RESET (1<<12)
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#define UDP_INTERRUPT_WAKEUP (1<<13)
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#define UDP_RESET_ENDPOINT_NUMBER(x) (1<<(x))
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#define UDP_CSR_TX_PACKET_ACKED (1<<0)
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#define UDP_CSR_RX_PACKET_RECEIVED_BANK_0 (1<<1)
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#define UDP_CSR_RX_HAVE_READ_SETUP_DATA (1<<2)
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#define UDP_CSR_STALL_SENT (1<<3)
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#define UDP_CSR_TX_PACKET (1<<4)
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#define UDP_CSR_FORCE_STALL (1<<5)
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#define UDP_CSR_RX_PACKET_RECEIVED_BANK_1 (1<<6)
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#define UDP_CSR_CONTROL_DATA_DIR (1<<7)
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#define UDP_CSR_EPTYPE_CONTROL (0<<8)
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#define UDP_CSR_EPTYPE_ISOCHRON_OUT (1<<8)
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#define UDP_CSR_EPTYPE_ISOCHRON_IN (5<<8)
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#define UDP_CSR_EPTYPE_BULK_OUT (2<<8)
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#define UDP_CSR_EPTYPE_BULK_IN (6<<8)
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#define UDP_CSR_EPTYPE_INTERRUPT_OUT (3<<8)
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#define UDP_CSR_EPTYPE_INTERRUPT_IN (7<<8)
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#define UDP_CSR_IS_DATA1 (1<<11)
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#define UDP_CSR_ENABLE_EP (1<<15)
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#define UDP_CSR_BYTES_RECEIVED(x) (((x) >> 16) & 0x7ff)
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#define UDP_TRANSCEIVER_CTRL_DISABLE (1<<8)
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//-------------
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// Power Management Controller
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#define PMC_BASE (0xfffffc00)
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#define PMC_SYS_CLK_ENABLE REG(PMC_BASE+0x0000)
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#define PMC_SYS_CLK_DISABLE REG(PMC_BASE+0x0004)
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#define PMC_SYS_CLK_STATUS REG(PMC_BASE+0x0008)
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#define PMC_PERIPHERAL_CLK_ENABLE REG(PMC_BASE+0x0010)
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#define PMC_PERIPHERAL_CLK_DISABLE REG(PMC_BASE+0x0014)
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#define PMC_PERIPHERAL_CLK_STATUS REG(PMC_BASE+0x0018)
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#define PMC_MAIN_OSCILLATOR REG(PMC_BASE+0x0020)
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#define PMC_MAIN_CLK_FREQUENCY REG(PMC_BASE+0x0024)
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#define PMC_PLL REG(PMC_BASE+0x002c)
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#define PMC_MASTER_CLK REG(PMC_BASE+0x0030)
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#define PMC_PROGRAMMABLE_CLK_0 REG(PMC_BASE+0x0040)
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#define PMC_PROGRAMMABLE_CLK_1 REG(PMC_BASE+0x0044)
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#define PMC_INTERRUPT_ENABLE REG(PMC_BASE+0x0060)
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#define PMC_INTERRUPT_DISABLE REG(PMC_BASE+0x0064)
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#define PMC_INTERRUPT_STATUS REG(PMC_BASE+0x0068)
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#define PMC_INTERRUPT_MASK REG(PMC_BASE+0x006c)
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#define PMC_SYS_CLK_PROCESSOR_CLK (1<<0)
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#define PMC_SYS_CLK_UDP_CLK (1<<7)
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#define PMC_SYS_CLK_PROGRAMMABLE_CLK_0 (1<<8)
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#define PMC_SYS_CLK_PROGRAMMABLE_CLK_1 (1<<9)
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#define PMC_SYS_CLK_PROGRAMMABLE_CLK_2 (1<<10)
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#define PMC_MAIN_OSCILLATOR_STABILIZED (1<<0)
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#define PMC_MAIN_OSCILLATOR_PLL_LOCK (1<<2)
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#define PMC_MAIN_OSCILLATOR_MCK_READY (1<<3)
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#define PMC_MAIN_OSCILLATOR_ENABLE (1<<0)
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#define PMC_MAIN_OSCILLATOR_BYPASS (1<<1)
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#define PMC_MAIN_OSCILLATOR_STARTUP_DELAY(x) ((x)<<8)
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#define PMC_PLL_DIVISOR(x) (x)
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#define PMC_PLL_COUNT_BEFORE_LOCK(x) ((x)<<8)
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#define PMC_PLL_FREQUENCY_RANGE(x) ((x)<<14)
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#define PMC_PLL_MULTIPLIER(x) (((x)-1)<<16)
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#define PMC_PLL_USB_DIVISOR(x) ((x)<<28)
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#define PMC_CLK_SELECTION_PLL_CLOCK (3<<0)
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#define PMC_CLK_SELECTION_MAIN_CLOCK (1<<0)
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#define PMC_CLK_SELECTION_SLOW_CLOCK (0<<0)
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#define PMC_CLK_PRESCALE_DIV_1 (0<<2)
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#define PMC_CLK_PRESCALE_DIV_2 (1<<2)
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#define PMC_CLK_PRESCALE_DIV_4 (2<<2)
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#define PMC_CLK_PRESCALE_DIV_8 (3<<2)
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#define PMC_CLK_PRESCALE_DIV_16 (4<<2)
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#define PMC_CLK_PRESCALE_DIV_32 (5<<2)
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#define PMC_CLK_PRESCALE_DIV_64 (6<<2)
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//-------------
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// Serial Peripheral Interface (SPI)
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#define SPI_BASE (0xfffe0000)
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#define SPI_CONTROL REG(SPI_BASE+0x00)
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#define SPI_MODE REG(SPI_BASE+0x04)
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#define SPI_RX_DATA REG(SPI_BASE+0x08)
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#define SPI_TX_DATA REG(SPI_BASE+0x0c)
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#define SPI_STATUS REG(SPI_BASE+0x10)
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#define SPI_INTERRUPT_ENABLE REG(SPI_BASE+0x14)
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#define SPI_INTERRUPT_DISABLE REG(SPI_BASE+0x18)
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#define SPI_INTERRUPT_MASK REG(SPI_BASE+0x1c)
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#define SPI_FOR_CHIPSEL_0 REG(SPI_BASE+0x30)
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#define SPI_FOR_CHIPSEL_1 REG(SPI_BASE+0x34)
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#define SPI_FOR_CHIPSEL_2 REG(SPI_BASE+0x38)
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#define SPI_FOR_CHIPSEL_3 REG(SPI_BASE+0x3c)
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#define SPI_CONTROL_ENABLE (1<<0)
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#define SPI_CONTROL_DISABLE (1<<1)
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#define SPI_CONTROL_RESET (1<<7)
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#define SPI_CONTROL_LAST_TRANSFER (1<<24)
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#define SPI_MODE_MASTER (1<<0)
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#define SPI_MODE_VARIABLE_CHIPSEL (1<<1)
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#define SPI_MODE_CHIPSELS_DECODED (1<<2)
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#define SPI_MODE_USE_DIVIDED_CLOCK (1<<3)
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#define SPI_MODE_MODE_FAULT_DETECTION_OFF (1<<4)
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#define SPI_MODE_LOOPBACK (1<<7)
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#define SPI_MODE_CHIPSEL(x) ((x)<<16)
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#define SPI_MODE_DELAY_BETWEEN_CHIPSELS(x) ((x)<<24)
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#define SPI_RX_DATA_CHIPSEL(x) (((x)>>16)&0xf)
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#define SPI_TX_DATA_CHIPSEL(x) ((x)<<16)
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#define SPI_TX_DATA_LAST_TRANSFER (1<<24)
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#define SPI_STATUS_RECEIVE_FULL (1<<0)
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#define SPI_STATUS_TRANSMIT_EMPTY (1<<1)
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#define SPI_STATUS_MODE_FAULT (1<<2)
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#define SPI_STATUS_OVERRUN (1<<3)
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#define SPI_STATUS_END_OF_RX_BUFFER (1<<4)
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#define SPI_STATUS_END_OF_TX_BUFFER (1<<5)
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#define SPI_STATUS_RX_BUFFER_FULL (1<<6)
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#define SPI_STATUS_TX_BUFFER_EMPTY (1<<7)
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#define SPI_STATUS_NSS_RISING_DETECTED (1<<8)
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#define SPI_STATUS_TX_EMPTY (1<<9)
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#define SPI_STATUS_SPI_ENABLED (1<<16)
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#define SPI_FOR_CHIPSEL_INACTIVE_CLK_1 (1<<0)
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#define SPI_FOR_CHIPSEL_PHASE (1<<1)
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#define SPI_FOR_CHIPSEL_LEAVE_CHIPSEL_LOW (1<<3)
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#define SPI_FOR_CHIPSEL_BITS_IN_WORD(x) ((x)<<4)
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#define SPI_FOR_CHIPSEL_DIVISOR(x) ((x)<<8)
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#define SPI_FOR_CHIPSEL_DELAY_BEFORE_CLK(x) ((x)<<16)
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#define SPI_FOR_CHIPSEL_INTERWORD_DELAY(x) ((x)<<24)
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//-------------
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// Analog to Digital Converter
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#define ADC_BASE (0xfffd8000)
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#define ADC_CONTROL REG(ADC_BASE+0x00)
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#define ADC_MODE REG(ADC_BASE+0x04)
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#define ADC_CHANNEL_ENABLE REG(ADC_BASE+0x10)
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#define ADC_CHANNEL_DISABLE REG(ADC_BASE+0x14)
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#define ADC_CHANNEL_STATUS REG(ADC_BASE+0x18)
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#define ADC_STATUS REG(ADC_BASE+0x1c)
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#define ADC_LAST_CONVERTED_DATA REG(ADC_BASE+0x20)
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#define ADC_INTERRUPT_ENABLE REG(ADC_BASE+0x24)
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#define ADC_INTERRUPT_DISABLE REG(ADC_BASE+0x28)
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#define ADC_INTERRUPT_MASK REG(ADC_BASE+0x2c)
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#define ADC_CHANNEL_DATA(x) REG(ADC_BASE+0x30+(4*(x)))
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#define ADC_CONTROL_RESET (1<<0)
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#define ADC_CONTROL_START (1<<1)
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#define ADC_MODE_HW_TRIGGERS_ENABLED (1<<0)
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#define ADC_MODE_8_BIT_RESOLUTION (1<<4)
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#define ADC_MODE_SLEEP (1<<5)
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#define ADC_MODE_PRESCALE(x) ((x)<<8)
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#define ADC_MODE_STARTUP_TIME(x) ((x)<<16)
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#define ADC_MODE_SAMPLE_HOLD_TIME(x) ((x)<<24)
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#define ADC_CHANNEL(x) (1<<(x))
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#define ADC_END_OF_CONVERSION(x) (1<<(x))
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#define ADC_OVERRUN_ERROR(x) (1<<(8+(x)))
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#define ADC_DATA_READY (1<<16)
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#define ADC_GENERAL_OVERRUN (1<<17)
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#define ADC_END_OF_RX_BUFFER (1<<18)
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#define ADC_RX_BUFFER_FULL (1<<19)
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#define ADC_CHAN_LF 4
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#define ADC_CHAN_HF 5
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//-------------
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// Synchronous Serial Controller
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#define SSC_BASE (0xfffd4000)
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#define SSC_CONTROL REG(SSC_BASE+0x00)
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#define SSC_CLOCK_DIVISOR REG(SSC_BASE+0x04)
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#define SSC_RECEIVE_CLOCK_MODE REG(SSC_BASE+0x10)
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#define SSC_RECEIVE_FRAME_MODE REG(SSC_BASE+0x14)
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#define SSC_TRANSMIT_CLOCK_MODE REG(SSC_BASE+0x18)
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#define SSC_TRANSMIT_FRAME_MODE REG(SSC_BASE+0x1c)
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#define SSC_RECEIVE_HOLDING REG(SSC_BASE+0x20)
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#define SSC_TRANSMIT_HOLDING REG(SSC_BASE+0x24)
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#define SSC_RECEIVE_SYNC_HOLDING REG(SSC_BASE+0x30)
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#define SSC_TRANSMIT_SYNC_HOLDING REG(SSC_BASE+0x34)
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#define SSC_STATUS REG(SSC_BASE+0x40)
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#define SSC_INTERRUPT_ENABLE REG(SSC_BASE+0x44)
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#define SSC_INTERRUPT_DISABLE REG(SSC_BASE+0x48)
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#define SSC_INTERRUPT_MASK REG(SSC_BASE+0x4c)
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#define SSC_CONTROL_RX_ENABLE (1<<0)
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#define SSC_CONTROL_RX_DISABLE (1<<1)
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#define SSC_CONTROL_TX_ENABLE (1<<8)
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#define SSC_CONTROL_TX_DISABLE (1<<9)
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#define SSC_CONTROL_RESET (1<<15)
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#define SSC_CLOCK_MODE_SELECT(x) ((x)<<0)
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#define SSC_CLOCK_MODE_OUTPUT(x) ((x)<<2)
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#define SSC_CLOCK_MODE_INVERT (1<<5)
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#define SSC_CLOCK_MODE_START(x) ((x)<<8)
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#define SSC_CLOCK_MODE_START_DELAY(x) ((x)<<16)
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#define SSC_CLOCK_MODE_FRAME_PERIOD(x) ((x)<<24)
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#define SSC_FRAME_MODE_BITS_IN_WORD(x) (((x)-1)<<0)
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#define SSC_FRAME_MODE_LOOPBACK (1<<5) // for RX
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#define SSC_FRAME_MODE_DEFAULT_IS_1 (1<<5) // for TX
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#define SSC_FRAME_MODE_MSB_FIRST (1<<7)
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#define SSC_FRAME_MODE_WORDS_PER_TRANSFER(x) ((x)<<8)
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#define SSC_FRAME_MODE_FRAME_SYNC_LEN(x) ((x)<<16)
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#define SSC_FRAME_MODE_FRAME_SYNC_TYPE(x) ((x)<<20)
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#define SSC_FRAME_MODE_SYNC_DATA_ENABLE (1<<23) // for TX only
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#define SSC_FRAME_MODE_NEGATIVE_EDGE (1<<24)
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#define SSC_STATUS_TX_READY (1<<0)
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#define SSC_STATUS_TX_EMPTY (1<<1)
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#define SSC_STATUS_TX_ENDED (1<<2)
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#define SSC_STATUS_TX_BUF_EMPTY (1<<3)
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#define SSC_STATUS_RX_READY (1<<4)
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#define SSC_STATUS_RX_OVERRUN (1<<5)
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#define SSC_STATUS_RX_ENDED (1<<6)
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#define SSC_STATUS_RX_BUF_FULL (1<<7)
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#define SSC_STATUS_TX_SYNC_OCCURRED (1<<10)
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#define SSC_STATUS_RX_SYNC_OCCURRED (1<<11)
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#define SSC_STATUS_TX_ENABLED (1<<16)
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#define SSC_STATUS_RX_ENABLED (1<<17)
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//-------------
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// Peripheral DMA Controller
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//
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// There is one set of registers for every peripheral that supports DMA.
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#define PDC_RX_POINTER(x) REG((x)+0x100)
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#define PDC_RX_COUNTER(x) REG((x)+0x104)
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#define PDC_TX_POINTER(x) REG((x)+0x108)
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#define PDC_TX_COUNTER(x) REG((x)+0x10c)
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#define PDC_RX_NEXT_POINTER(x) REG((x)+0x110)
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#define PDC_RX_NEXT_COUNTER(x) REG((x)+0x114)
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#define PDC_TX_NEXT_POINTER(x) REG((x)+0x118)
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#define PDC_TX_NEXT_COUNTER(x) REG((x)+0x11c)
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#define PDC_CONTROL(x) REG((x)+0x120)
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#define PDC_STATUS(x) REG((x)+0x124)
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#define PDC_RX_ENABLE (1<<0)
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#define PDC_RX_DISABLE (1<<1)
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#define PDC_TX_ENABLE (1<<8)
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#define PDC_TX_DISABLE (1<<9)
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#endif
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