boot/armllb/hw/omap3-zoom2/hwinfo.c

   1 /*
   2  * PROJECT:         ReactOS Boot Loader
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            boot/armllb/hw/omap3-zoom2/hwuart.c
   5  * PURPOSE:         LLB Hardware Info Routines for OMAP3 ZOOM2
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9 #include "precomp.h"
  10
  11 TIMEINFO LlbTime;
  12
  13 #define BCD_INT(bcd) (((bcd & 0xf0) >> 4) * 10 + (bcd &0x0f))
  14
  15 ULONG
  16 NTAPI
  17 LlbHwGetBoardType(VOID)
  18 {
  19     return MACH_TYPE_OMAP_ZOOM2;
  20 }
  21
  22 ULONG
  23 NTAPI
  24 LlbHwGetPClk(VOID)
  25 {
  26     return 48000000;
  27 }
  28
  29 ULONG
  30 NTAPI
  31 LlbHwGetTmr0Base(VOID)
  32 {
  33     return 0x48318000;
  34 }
  35
  36 ULONG
  37 NTAPI
  38 LlbHwGetSerialUart(VOID)
  39 {
  40     return 0;
  41 }
  42
  43 ULONG
  44 LlbHwRtcRead(VOID)
  45 {
  46     /* Issue the GET_TIME request on the RTC control register */
  47     LlbHwOmap3TwlWrite1(0x4B, 0x29, 0x41);
  48
  49     /* Read the BCD registers and convert them */
  50     LlbTime.Second = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1C));
  51     LlbTime.Minute = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1D));
  52     LlbTime.Hour = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1E));
  53     LlbTime.Day = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1F));
  54     LlbTime.Month = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x20));
  55     LlbTime.Year = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x21));
  56     LlbTime.Year += (LlbTime.Year > 80) ? 1900 : 2000;
  57     return 0;
  58 }
  59
  60 /* EOF */