include/asm-v850/teg.h

   1 /*
   2  * include/asm-v850/teg.h -- NB85E-TEG cpu chip
   3  *
   4  *  Copyright (C) 2001,02,03  NEC Electronics Corporation
   5  *  Copyright (C) 2001,02,03  Miles Bader <miles@gnu.org>
   6  *
   7  * This file is subject to the terms and conditions of the GNU General
   8  * Public License.  See the file COPYING in the main directory of this
   9  * archive for more details.
  10  *
  11  * Written by Miles Bader <miles@gnu.org>
  12  */
  13
  14 #ifndef __V850_TEG_H__
  15 #define __V850_TEG_H__
  16
  17
  18 /* The TEG uses the V850E cpu core.  */
  19 #include <asm/v850e.h>
  20 #include <asm/v850e_cache.h>
  21
  22
  23 #define CPU_MODEL       "v850e/nb85e-teg"
  24 #define CPU_MODEL_LONG  "NEC V850E/NB85E TEG"
  25
  26
  27 /* For <asm/entry.h> */
  28 /* We use on-chip RAM, for a few miscellaneous variables that must be
  29    accessible using a load instruction relative to R0.  On the NB85E/TEG,
  30    There's 60KB of iRAM starting at 0xFFFF0000, however we need the base
  31    address to be addressable by a 16-bit signed offset, so we only use the
  32    second half of it starting from 0xFFFF8000.  */
  33 #define R0_RAM_ADDR                     0xFFFF8000
  34
  35
  36 /* Hardware-specific interrupt numbers (in the kernel IRQ namespace).
  37    Some of these are parameterized even though there's only a single
  38    interrupt, for compatibility with some generic code that works on other
  39    processor models.  */
  40 #define IRQ_INTCMD(n)   6       /* interval timer interrupt */
  41 #define IRQ_INTCMD_NUM  1
  42 #define IRQ_INTSER(n)   16      /* UART reception error */
  43 #define IRQ_INTSER_NUM  1
  44 #define IRQ_INTSR(n)    17      /* UART reception completion */
  45 #define IRQ_INTSR_NUM   1
  46 #define IRQ_INTST(n)    18      /* UART transmission completion */
  47 #define IRQ_INTST_NUM   1
  48
  49 /* For <asm/irq.h> */
  50 #define NUM_CPU_IRQS    64
  51
  52
  53 /* TEG UART details.  */
  54 #define V850E_UART_BASE_ADDR(n)         (0xFFFFF600 + 0x10 * (n))
  55 #define V850E_UART_ASIM_ADDR(n)         (V850E_UART_BASE_ADDR(n) + 0x0)
  56 #define V850E_UART_ASIS_ADDR(n)         (V850E_UART_BASE_ADDR(n) + 0x2)
  57 #define V850E_UART_ASIF_ADDR(n)         (V850E_UART_BASE_ADDR(n) + 0x4)
  58 #define V850E_UART_CKSR_ADDR(n)         (V850E_UART_BASE_ADDR(n) + 0x6)
  59 #define V850E_UART_BRGC_ADDR(n)         (V850E_UART_BASE_ADDR(n) + 0x8)
  60 #define V850E_UART_TXB_ADDR(n)          (V850E_UART_BASE_ADDR(n) + 0xA)
  61 #define V850E_UART_RXB_ADDR(n)          (V850E_UART_BASE_ADDR(n) + 0xC)
  62 #define V850E_UART_NUM_CHANNELS         1
  63 #define V850E_UART_BASE_FREQ            CPU_CLOCK_FREQ
  64 /* This is a function that gets called before configuring the UART.  */
  65 #define V850E_UART_PRE_CONFIGURE        teg_uart_pre_configure
  66 #ifndef __ASSEMBLY__
  67 extern void teg_uart_pre_configure (unsigned chan,
  68                                     unsigned cflags, unsigned baud);
  69 #endif
  70
  71
  72 /* The TEG RTPU.  */
  73 #define V850E_RTPU_BASE_ADDR            0xFFFFF210
  74
  75
  76 /* TEG series timer D details.  */
  77 #define V850E_TIMER_D_BASE_ADDR         0xFFFFF210
  78 #define V850E_TIMER_D_TMCD_BASE_ADDR    (V850E_TIMER_D_BASE_ADDR + 0x0)
  79 #define V850E_TIMER_D_TMD_BASE_ADDR     (V850E_TIMER_D_BASE_ADDR + 0x4)
  80 #define V850E_TIMER_D_CMD_BASE_ADDR     (V850E_TIMER_D_BASE_ADDR + 0x8)
  81 #define V850E_TIMER_D_BASE_FREQ         CPU_CLOCK_FREQ
  82
  83
  84 /* `Interrupt Source Select' control register.  */
  85 #define TEG_ISS_ADDR                    0xFFFFF7FA
  86 #define TEG_ISS                         (*(volatile u8 *)TEG_ISS_ADDR)
  87
  88 /* Port 0 I/O register (bits 0-3 used).  */
  89 #define TEG_PORT0_IO_ADDR               0xFFFFF7F2
  90 #define TEG_PORT0_IO                    (*(volatile u8 *)TEG_PORT0_IO_ADDR)
  91 /* Port 0 control register (bits 0-3 control mode, 0 = output, 1 = input).  */
  92 #define TEG_PORT0_PM_ADDR               0xFFFFF7F4
  93 #define TEG_PORT0_PM                    (*(volatile u8 *)TEG_PORT0_PM_ADDR)
  94
  95
  96 #ifndef __ASSEMBLY__
  97 extern void teg_init_irqs (void);
  98 #endif
  99
 100
 101 #endif /* __V850_TEG_H__ */