packages/hal/arm/e7t/v2_0/include/hal_platform_setup.h

   1 #ifndef CYGONCE_HAL_PLATFORM_SETUP_H
   2 #define CYGONCE_HAL_PLATFORM_SETUP_H
   3
   4 /*=============================================================================
   5 //
   6 //      hal_platform_setup.h
   7 //
   8 //      Platform specific support for HAL (assembly code)
   9 //
  10 //=============================================================================
  11 //####ECOSGPLCOPYRIGHTBEGIN####
  12 // -------------------------------------------
  13 // This file is part of eCos, the Embedded Configurable Operating System.
  14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
  15 //
  16 // eCos is free software; you can redistribute it and/or modify it under
  17 // the terms of the GNU General Public License as published by the Free
  18 // Software Foundation; either version 2 or (at your option) any later version.
  19 //
  20 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
  21 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
  22 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  23 // for more details.
  24 //
  25 // You should have received a copy of the GNU General Public License along
  26 // with eCos; if not, write to the Free Software Foundation, Inc.,
  27 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  28 //
  29 // As a special exception, if other files instantiate templates or use macros
  30 // or inline functions from this file, or you compile this file and link it
  31 // with other works to produce a work based on this file, this file does not
  32 // by itself cause the resulting work to be covered by the GNU General Public
  33 // License. However the source code for this file must still be made available
  34 // in accordance with section (3) of the GNU General Public License.
  35 //
  36 // This exception does not invalidate any other reasons why a work based on
  37 // this file might be covered by the GNU General Public License.
  38 //
  39 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
  40 // at http://sources.redhat.com/ecos/ecos-license/
  41 // -------------------------------------------
  42 //####ECOSGPLCOPYRIGHTEND####
  43 //=============================================================================
  44 //#####DESCRIPTIONBEGIN####
  45 //
  46 // Author(s):   jskov
  47 // Contributors:jskov
  48 // Date:        2001-03-16
  49 // Purpose:     E7T platform specific support routines
  50 // Description:
  51 // Usage:       #include <cyg/hal/hal_platform_setup.h>
  52 //
  53 //####DESCRIPTIONEND####
  54 //
  55 //===========================================================================*/
  56
  57 #include <cyg/hal/plf_io.h>
  58
  59 #define CYGHWR_LED_MACRO                                                  \
  60         ldr     r0,=E7T_IOPDATA                                          ;\
  61         mov     r1, #((15 & (\x)) << 4)                                  ;\
  62         str     r1, [r0]                                                 ;
  63
  64 #if CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE==4096
  65 // Override default to a more sensible value
  66 #undef  CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE
  67 #define CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE 2048
  68 #endif
  69
  70 #if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_ROMRAM)
  71 #define PLATFORM_SETUP1                                                 ;\
  72         ldr     r1,=E7T_IOPMOD                                          ;\
  73         ldr     r2,=0x0001fcf0 /* set led + seg to output */            ;\
  74         str     r2,[r1,#0x00]                                           ;\
  75         ldr     r1,=E7T_IOPDATA                                         ;\
  76         ldr     r2,=0x00000050 /* set leds */                           ;\
  77         str     r2,[r1,#0x00]                                           ;\
  78                                                                         ;\
  79 20:     ldr     lr,=33f                                                 ;\
  80         ldr     r0,=12f                                                 ;\
  81         ldmia   r0,{r1-r12}                                             ;\
  82         ldr     r0,=E7T_EXTDBWTH                                        ;\
  83         stmia   r0,{r1-r12}                                             ;\
  84         mov     pc,lr                                                   ;\
  85                                                                         ;\
  86         /* The below are set with a store-multiple instruction */       ;\
  87         /* Flash is 16 bit, SRAM is 32 bit */                           ;\
  88         /* .long   E7T_EXTDBWTH */                                      ;\
  89 12:     .long  ( (E7T_EXTDBWTH_16BIT<<E7T_EXTDBWTH_DSR0_shift)           \
  90                 |(E7T_EXTDBWTH_32BIT<<E7T_EXTDBWTH_DSR1_shift)           \
  91                 |(E7T_EXTDBWTH_32BIT<<E7T_EXTDBWTH_DSR2_shift) )        ;\
  92         /* Flash at 0x01800000-0x01880000, 5 cycles, 4 cycles */        ;\
  93         /* .long   E7T_ROMCON0 */                                       ;\
  94         .long  ( (E7T_ROMCON_PMC_ROM)                                    \
  95                 |(E7T_ROMCON_TPA_5C)                                     \
  96                 |(E7T_ROMCON_TACC_4C)                                    \
  97                 |((0x01800000 >> 16) << E7T_ROMCON_BASE_shift)           \
  98                 |((0x01880000 >> 16) << E7T_ROMCON_NEXT_shift))         ;\
  99         /* SRAM at 0x00000000-0x00400000, 5 cycles, 2 cycles */         ;\
 100         /* .long   E7T_ROMCON1 */                                       ;\
 101         .long  ( (E7T_ROMCON_PMC_ROM)                                    \
 102                 |(E7T_ROMCON_TPA_5C)                                     \
 103                 |(E7T_ROMCON_TACC_2C)                                    \
 104                 |((0x00000000 >> 16) << E7T_ROMCON_BASE_shift)           \
 105                 |((0x00040000 >> 16) << E7T_ROMCON_NEXT_shift))         ;\
 106         /* SRAM at 0x00400000-0x00800000, 5 cycles, 2 cycles */         ;\
 107         /* .long   E7T_ROMCON2 */                                       ;\
 108         .long  ( (E7T_ROMCON_PMC_ROM)                                    \
 109                 |(E7T_ROMCON_TPA_5C)                                     \
 110                 |(E7T_ROMCON_TACC_2C)                                    \
 111                 |((0x00040000 >> 16) << E7T_ROMCON_BASE_shift)           \
 112                 |((0x00080000 >> 16) << E7T_ROMCON_NEXT_shift))         ;\
 113         /* Below values are what Boot Monitor sets up */                ;\
 114         /* .long   E7T_ROMCON3 */                                       ;\
 115         .long   0x08018020                                              ;\
 116         /* .long   E7T_ROMCON4 */                                       ;\
 117         .long   0x0a020040                                              ;\
 118         /* .long   E7T_ROMCON5 */                                       ;\
 119         .long   0x0c028040                                              ;\
 120         /* .long   E7T_DRAMCON0 */                                      ;\
 121         .long   0x00000000                                              ;\
 122         /* .long   E7T_DRAMCON1 */                                      ;\
 123         .long   0x00000000                                              ;\
 124         /* .long   E7T_DRAMCON2 */                                      ;\
 125         .long   0x00000000                                              ;\
 126         /* .long   E7T_DRAMCON3 */                                      ;\
 127         .long   0x00000000                                              ;\
 128         /* .long   E7T_REFEXTCON */                                     ;\
 129         .long   0x9c218360                                              ;\
 130                                                                         ;\
 131 33:
 132 #else
 133 #define PLATFORM_SETUP1
 134 #endif
 135
 136 //-----------------------------------------------------------------------------
 137 // end of hal_platform_setup.h
 138 #endif // CYGONCE_HAL_PLATFORM_SETUP_H