include/asm-arm/arch-at91/at91_dbgu.h

   1 /*
   2  * include/asm-arm/arch-at91/at91_dbgu.h
   3  *
   4  * Copyright (C) 2005 Ivan Kokshaysky
   5  * Copyright (C) SAN People
   6  *
   7  * Debug Unit (DBGU) - System peripherals registers.
   8  * Based on AT91RM9200 datasheet revision E.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  */
  15
  16 #ifndef AT91_DBGU_H
  17 #define AT91_DBGU_H
  18
  19 #ifdef AT91_DBGU
  20 #define AT91_DBGU_CR            (AT91_DBGU + 0x00)      /* Control Register */
  21 #define AT91_DBGU_MR            (AT91_DBGU + 0x04)      /* Mode Register */
  22 #define AT91_DBGU_IER           (AT91_DBGU + 0x08)      /* Interrupt Enable Register */
  23 #define         AT91_DBGU_TXRDY         (1 << 1)                /* Transmitter Ready */
  24 #define         AT91_DBGU_TXEMPTY       (1 << 9)                /* Transmitter Empty */
  25 #define AT91_DBGU_IDR           (AT91_DBGU + 0x0c)      /* Interrupt Disable Register */
  26 #define AT91_DBGU_IMR           (AT91_DBGU + 0x10)      /* Interrupt Mask Register */
  27 #define AT91_DBGU_SR            (AT91_DBGU + 0x14)      /* Status Register */
  28 #define AT91_DBGU_RHR           (AT91_DBGU + 0x18)      /* Receiver Holding Register */
  29 #define AT91_DBGU_THR           (AT91_DBGU + 0x1c)      /* Transmitter Holding Register */
  30 #define AT91_DBGU_BRGR          (AT91_DBGU + 0x20)      /* Baud Rate Generator Register */
  31
  32 #define AT91_DBGU_CIDR          (AT91_DBGU + 0x40)      /* Chip ID Register */
  33 #define AT91_DBGU_EXID          (AT91_DBGU + 0x44)      /* Chip ID Extension Register */
  34 #define AT91_DBGU_FNR           (AT91_DBGU + 0x48)      /* Force NTRST Register [SAM9 only] */
  35 #define         AT91_DBGU_FNTRST        (1 << 0)                /* Force NTRST */
  36
  37 #endif /* AT91_DBGU */
  38
  39 /*
  40  * Some AT91 parts that don't have full DEBUG units still support the ID
  41  * and extensions register.
  42  */
  43 #define         AT91_CIDR_VERSION       (0x1f << 0)             /* Version of the Device */
  44 #define         AT91_CIDR_EPROC         (7    << 5)             /* Embedded Processor */
  45 #define         AT91_CIDR_NVPSIZ        (0xf  << 8)             /* Nonvolatile Program Memory Size */
  46 #define         AT91_CIDR_NVPSIZ2       (0xf  << 12)            /* Second Nonvolatile Program Memory Size */
  47 #define         AT91_CIDR_SRAMSIZ       (0xf  << 16)            /* Internal SRAM Size */
  48 #define                 AT91_CIDR_SRAMSIZ_1K    (1 << 16)
  49 #define                 AT91_CIDR_SRAMSIZ_2K    (2 << 16)
  50 #define                 AT91_CIDR_SRAMSIZ_112K  (4 << 16)
  51 #define                 AT91_CIDR_SRAMSIZ_4K    (5 << 16)
  52 #define                 AT91_CIDR_SRAMSIZ_80K   (6 << 16)
  53 #define                 AT91_CIDR_SRAMSIZ_160K  (7 << 16)
  54 #define                 AT91_CIDR_SRAMSIZ_8K    (8 << 16)
  55 #define                 AT91_CIDR_SRAMSIZ_16K   (9 << 16)
  56 #define                 AT91_CIDR_SRAMSIZ_32K   (10 << 16)
  57 #define                 AT91_CIDR_SRAMSIZ_64K   (11 << 16)
  58 #define                 AT91_CIDR_SRAMSIZ_128K  (12 << 16)
  59 #define                 AT91_CIDR_SRAMSIZ_256K  (13 << 16)
  60 #define                 AT91_CIDR_SRAMSIZ_96K   (14 << 16)
  61 #define                 AT91_CIDR_SRAMSIZ_512K  (15 << 16)
  62 #define         AT91_CIDR_ARCH          (0xff << 20)            /* Architecture Identifier */
  63 #define         AT91_CIDR_NVPTYP        (7    << 28)            /* Nonvolatile Program Memory Type */
  64 #define         AT91_CIDR_EXT           (1    << 31)            /* Extension Flag */
  65
  66 #endif