logodl.c 2.7 KB

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  1. /*
  2. * (C) 2002 Kyle Harris <kharris@nexus-tech.net>, Nexus Technologies, Inc.
  3. * (C) 2002 Marius Groeger <mgroeger@sysgo.de>, Sysgo GmbH
  4. * (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
  5. *
  6. * See file CREDITS for list of people who contributed to this
  7. * project.
  8. *
  9. * This program is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU General Public License as
  11. * published by the Free Software Foundation; either version 2 of
  12. * the License, or (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22. * MA 02111-1307 USA
  23. */
  24. #include <common.h>
  25. #include <asm/arch/pxa-regs.h>
  26. DECLARE_GLOBAL_DATA_PTR;
  27. /**
  28. * board_init: - setup some data structures
  29. *
  30. * @return: 0 in case of success
  31. */
  32. int board_init (void)
  33. {
  34. /* memory and cpu-speed are setup before relocation */
  35. /* so we do _nothing_ here */
  36. gd->bd->bi_arch_number = MACH_TYPE_LOGODL;
  37. gd->bd->bi_boot_params = 0x08000100;
  38. gd->bd->bi_baudrate = CONFIG_BAUDRATE;
  39. (*((volatile short*)0x14800000)) = 0xff; /* power on eth0 */
  40. (*((volatile short*)0x14000000)) = 0xff; /* power on uart */
  41. return 0;
  42. }
  43. /**
  44. * dram_init: - setup dynamic RAM
  45. *
  46. * @return: 0 in case of success
  47. */
  48. int dram_init (void)
  49. {
  50. gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  51. gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  52. return 0;
  53. }
  54. /**
  55. * logodl_set_led: - switch LEDs on or off
  56. *
  57. * @param led: LED to switch (0,1)
  58. * @param state: switch on (1) or off (0)
  59. */
  60. void logodl_set_led(int led, int state)
  61. {
  62. switch(led) {
  63. case 0:
  64. if (state==1) {
  65. CFG_LED_A_CR = CFG_LED_A_BIT;
  66. } else if (state==0) {
  67. CFG_LED_A_SR = CFG_LED_A_BIT;
  68. }
  69. break;
  70. case 1:
  71. if (state==1) {
  72. CFG_LED_B_CR = CFG_LED_B_BIT;
  73. } else if (state==0) {
  74. CFG_LED_B_SR = CFG_LED_B_BIT;
  75. }
  76. break;
  77. }
  78. return;
  79. }
  80. /**
  81. * show_boot_progress: - indicate state of the boot process
  82. *
  83. * @param status: Status number - see README for details.
  84. *
  85. * The LOGOTRONIC does only have 2 LEDs, so we switch them on at the most
  86. * important states (1, 5, 15).
  87. */
  88. void show_boot_progress (int status)
  89. {
  90. /*
  91. switch(status) {
  92. case 1: logodl_set_led(0,1); break;
  93. case 5: logodl_set_led(1,1); break;
  94. case 15: logodl_set_led(2,1); break;
  95. }
  96. */
  97. logodl_set_led(0, (status & 1)==1);
  98. logodl_set_led(1, (status & 2)==2);
  99. return;
  100. }