diff options
Diffstat (limited to 'bsps/arm/csb337/include/at91rm9200_dbgu.h')
| -rw-r--r-- | bsps/arm/csb337/include/at91rm9200_dbgu.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/bsps/arm/csb337/include/at91rm9200_dbgu.h b/bsps/arm/csb337/include/at91rm9200_dbgu.h new file mode 100644 index 0000000000..9a65483db0 --- /dev/null +++ b/bsps/arm/csb337/include/at91rm9200_dbgu.h @@ -0,0 +1,89 @@ +/* + * Atmel AT91RM9200_DBGU Register definitions + * + * Copyright (c) 2003 by Cogent Computer Systems + * Written by Mike Kelly <mike@cogcomp.com> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ +#ifndef __AT91RM9200_DBGU_H__ +#define __AT91RM9200_DBGU_H__ + +#include "bits.h" + +/* Register Offsets */ +#define DBGU_CR 0x00 /* Control Register */ +#define DBGU_MR 0x04 /* Mode Register */ +#define DBGU_IER 0x08 /* Interrupt Enable Register */ +#define DBGU_IDR 0x0C /* Interrupt Disable Register */ +#define DBGU_IMR 0x10 /* Interrupt Mask Register */ +#define DBGU_SR 0x14 /* Channel Status Register */ +#define DBGU_RHR 0x18 /* Receiver Holding Register */ +#define DBGU_THR 0x1C /* Transmitter Holding Register */ +#define DBGU_BRGR 0x20 /* Baud Rate Generator Register */ +#define DBGU_C1R 0x40 /* Chip ID1 Register */ +#define DBGU_C2R 0x44 /* Chip ID2 Register */ +#define DBGU_FNTR 0x48 /* Force NTRST Register */ + +/* Bit Defines */ +/* Control Register, DBGU_CR, Offset 0x00 */ +#define DBGU_CR_RSTRX BIT2 /* 1 = Reset and disable receiver */ +#define DBGU_CR_RSTTX BIT3 /* 1 = Reset and disable transmitter */ +#define DBGU_CR_RXEN BIT4 /* 1 = Receiver enable */ +#define DBGU_CR_RXDIS BIT5 /* 1 = Receiver disable */ +#define DBGU_CR_TXEN BIT6 /* 1 = Transmitter enable */ +#define DBGU_CR_TXDIS BIT7 /* 1 = Transmitter disable */ +#define DBGU_CR_RSTSTA BIT8 /* 1 = Reset PARE, FRAME and OVRE in DBGU_SR. */ + +/* Mode Register. DBGU_MR. Offset 0x04 */ +#define DBGU_MR_PAR_EVEN (0x0 << 9) /* Even Parity */ +#define DBGU_MR_PAR_ODD (0x1 << 9) /* Odd Parity */ +#define DBGU_MR_PAR_SPACE (0x2 << 9) /* Parity forced to 0 (Space) */ +#define DBGU_MR_PAR_MARK (0x3 << 9) /* Parity forced to 1 (Mark) */ +#define DBGU_MR_PAR_NONE (0x4 << 9) /* No Parity */ +#define DBGU_MR_PAR_MDROP (0x6 << 9) /* Multi-drop mode */ +#define DBGU_MR_CHMODE_NORM (0x0 << 14) /* Normal Mode */ +#define DBGU_MR_CHMODE_AUTO (0x1 << 14) /* Auto Echo: RXD drives TXD */ +#define DBGU_MR_CHMODE_LOC (0x2 << 14) /* Local Loopback: TXD drives RXD */ +#define DBGU_MR_CHMODE_REM (0x3 << 14) /* Remote Loopback: RXD pin connected to TXD pin. */ + +/* Interrupt Enable Register, DBGU_IER, Offset 0x08 */ +/* Interrupt Disable Register, DBGU_IDR, Offset 0x0C */ +/* Interrupt Mask Register, DBGU_IMR, Offset 0x10 */ +/* Channel Status Register, DBGU_SR, Offset 0x14 */ +#define DBGU_INT_RXRDY BIT0 /* RXRDY Interrupt */ +#define DBGU_INT_TXRDY BIT1 /* TXRDY Interrupt */ +#define DBGU_INT_ENDRX BIT3 /* End of Receive Transfer Interrupt */ +/*efine DBGU_INT_ENDTX BIT4 /* End of Transmit Interrupt */ +#define DBGU_INT_OVRE BIT5 /* Overrun Interrupt */ +#define DBGU_INT_FRAME BIT6 /* Framing Error Interrupt */ +#define DBGU_INT_PARE BIT7 /* Parity Error Interrupt */ +#define DBGU_INT_TXEMPTY BIT9 /* TXEMPTY Interrupt */ +#define DBGU_INT_TXBUFE BIT11 /* TXBUFE Interrupt */ +#define DBGU_INT_RXBUFF BIT12 /* RXBUFF Interrupt */ +#define DBGU_INT_COMM_TX BIT30 /* COMM_TX Interrupt */ +#define DBGU_INT_COMM_RX BIT31 /* COMM_RX Interrupt */ +#define DBGU_INT_ALL 0xC0001AFB /* all assigned bits */ + +/* FORCE_NTRST Register, DBGU_FNTR, Offset 0x48 */ +#define DBGU_FNTR_NTRST BIT0 /* 1 = Force NTRST low in JTAG */ + +typedef struct { + volatile uint32_t cr; + volatile uint32_t mr; + volatile uint32_t ier; + volatile uint32_t idr; + volatile uint32_t imr; + volatile uint32_t sr; + volatile uint32_t rhr; + volatile uint32_t thr; + volatile uint32_t brgr; + volatile uint32_t _res0[7]; + volatile uint32_t cidr; + volatile uint32_t exid; + volatile uint32_t fnr; +} at91rm9200_dbgu_regs_t; + +#endif /* __AT91RM9200_DBGU_H__ */ |