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

   1 /*
   2  * arch/arm/mach-at91/include/mach/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 #define dbgu_readl(dbgu, field) \
  20         __raw_readl(AT91_VA_BASE_SYS + dbgu + AT91_DBGU_ ## field)
  21
  22 #ifdef AT91_DBGU
  23 #define AT91_DBGU_CR            (0x00)  /* Control Register */
  24 #define AT91_DBGU_MR            (0x04)  /* Mode Register */
  25 #define AT91_DBGU_IER           (0x08)  /* Interrupt Enable Register */
  26 #define         AT91_DBGU_TXRDY         (1 << 1)                /* Transmitter Ready */
  27 #define         AT91_DBGU_TXEMPTY       (1 << 9)                /* Transmitter Empty */
  28 #define AT91_DBGU_IDR           (0x0c)  /* Interrupt Disable Register */
  29 #define AT91_DBGU_IMR           (0x10)  /* Interrupt Mask Register */
  30 #define AT91_DBGU_SR            (0x14)  /* Status Register */
  31 #define AT91_DBGU_RHR           (0x18)  /* Receiver Holding Register */
  32 #define AT91_DBGU_THR           (0x1c)  /* Transmitter Holding Register */
  33 #define AT91_DBGU_BRGR          (0x20)  /* Baud Rate Generator Register */
  34
  35 #define AT91_DBGU_CIDR          (0x40)  /* Chip ID Register */
  36 #define AT91_DBGU_EXID          (0x44)  /* Chip ID Extension Register */
  37 #define AT91_DBGU_FNR           (0x48)  /* Force NTRST Register [SAM9 only] */
  38 #define         AT91_DBGU_FNTRST        (1 << 0)                /* Force NTRST */
  39
  40 #endif /* AT91_DBGU */
  41
  42 /*
  43  * Some AT91 parts that don't have full DEBUG units still support the ID
  44  * and extensions register.
  45  */
  46 #define         AT91_CIDR_VERSION       (0x1f << 0)             /* Version of the Device */
  47 #define         AT91_CIDR_EPROC         (7    << 5)             /* Embedded Processor */
  48 #define         AT91_CIDR_NVPSIZ        (0xf  << 8)             /* Nonvolatile Program Memory Size */
  49 #define         AT91_CIDR_NVPSIZ2       (0xf  << 12)            /* Second Nonvolatile Program Memory Size */
  50 #define         AT91_CIDR_SRAMSIZ       (0xf  << 16)            /* Internal SRAM Size */
  51 #define                 AT91_CIDR_SRAMSIZ_1K    (1 << 16)
  52 #define                 AT91_CIDR_SRAMSIZ_2K    (2 << 16)
  53 #define                 AT91_CIDR_SRAMSIZ_112K  (4 << 16)
  54 #define                 AT91_CIDR_SRAMSIZ_4K    (5 << 16)
  55 #define                 AT91_CIDR_SRAMSIZ_80K   (6 << 16)
  56 #define                 AT91_CIDR_SRAMSIZ_160K  (7 << 16)
  57 #define                 AT91_CIDR_SRAMSIZ_8K    (8 << 16)
  58 #define                 AT91_CIDR_SRAMSIZ_16K   (9 << 16)
  59 #define                 AT91_CIDR_SRAMSIZ_32K   (10 << 16)
  60 #define                 AT91_CIDR_SRAMSIZ_64K   (11 << 16)
  61 #define                 AT91_CIDR_SRAMSIZ_128K  (12 << 16)
  62 #define                 AT91_CIDR_SRAMSIZ_256K  (13 << 16)
  63 #define                 AT91_CIDR_SRAMSIZ_96K   (14 << 16)
  64 #define                 AT91_CIDR_SRAMSIZ_512K  (15 << 16)
  65 #define         AT91_CIDR_ARCH          (0xff << 20)            /* Architecture Identifier */
  66 #define         AT91_CIDR_NVPTYP        (7    << 28)            /* Nonvolatile Program Memory Type */
  67 #define         AT91_CIDR_EXT           (1    << 31)            /* Extension Flag */
  68
  69 #endif