board/MAI/AmigaOneG3SE/AmigaOneG3SE.c

   1 /*
   2  * (C) Copyright 2002
   3  * Hyperion Entertainment, [email protected]
   4  * (C) Copyright 2006
   5  * Wolfgang Denk, DENX Software Engineering, [email protected].
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #include <common.h>
  27 #include <command.h>
  28 #include <pci.h>
  29 #include "articiaS.h"
  30 #include "memio.h"
  31 #include "via686.h"
  32
  33 __asm__(" .globl send_kb                                \n "
  34         "send_kb:                                       \n "
  35         "       lis     r9, 0xfe00                      \n "
  36         "                                               \n "
  37         "       li      r4, 0x10        # retries       \n "
  38         "       mtctr   r4                              \n "
  39         "                                               \n "
  40         "idle:                                          \n "
  41         "       lbz     r4, 0x64(r9)                    \n "
  42         "       andi.   r4, r4, 0x02                    \n "
  43         "       bne     idle                            \n "
  44
  45         "ready:                                         \n "
  46         "       stb     r3, 0x60(r9)                    \n "
  47         "                                               \n "
  48         "check:                                         \n "
  49         "       lbz     r4, 0x64(r9)                    \n "
  50         "       andi.   r4, r4, 0x01                    \n "
  51         "       beq     check                           \n "
  52         "                                               \n "
  53         "       lbz     r4, 0x60(r9)                    \n "
  54         "       cmpwi   r4, 0xfa                        \n "
  55         "       beq     done                            \n "
  56
  57         "       bdnz    idle                            \n "
  58
  59         "       li      r3, 0                           \n "
  60         "       blr                                     \n "
  61
  62         "done:                                          \n "
  63         "       li      r3, 1                           \n "
  64         "       blr                                     \n "
  65
  66         ".globl test_kb                                 \n "
  67         "test_kb:                                       \n "
  68         "       mflr    r10                             \n "
  69         "       li      r3, 0xed                        \n "
  70         "       bl      send_kb                         \n "
  71         "       li      r3, 0x01                        \n "
  72         "       bl      send_kb                         \n "
  73         "       mtlr    r10                             \n "
  74         "       blr                                     \n "
  75 );
  76
  77
  78 int checkboard (void)
  79 {
  80         printf ("Board: AmigaOneG3SE\n");
  81         return 0;
  82 }
  83
  84 phys_size_t initdram (int board_type)
  85 {
  86         return articiaS_ram_init ();
  87 }
  88
  89
  90 void after_reloc (ulong dest_addr, gd_t *gd)
  91 {
  92         board_init_r (gd, dest_addr);
  93 }
  94
  95
  96 int misc_init_r (void)
  97 {
  98         extern pci_dev_t video_dev;
  99         extern void drv_video_init (void);
 100
 101         if (video_dev != ~0)
 102                 drv_video_init ();
 103
 104         return (0);
 105 }
 106
 107
 108 void pci_init_board (void)
 109 {
 110 #ifndef CONFIG_RAMBOOT
 111         articiaS_pci_init ();
 112 #endif
 113 }