ReactOS Development > Doxygen

00001 /*
00002  * PROJECT:         ReactOS Boot Loader
00003  * LICENSE:         BSD - See COPYING.ARM in the top level directory
00004  * FILE:            boot/armllb/hw/omap3-zoom2/hwuart.c
00005  * PURPOSE:         LLB Hardware Info Routines for OMAP3 ZOOM2
00006  * PROGRAMMERS:     ReactOS Portable Systems Group
00007  */
00008 
00009 #include "precomp.h"
00010 
00011 TIMEINFO LlbTime;
00012 
00013 #define BCD_INT(bcd) (((bcd & 0xf0) >> 4) * 10 + (bcd &0x0f))
00014 
00015 ULONG
00016 NTAPI
00017 LlbHwGetBoardType(VOID)
00018 {
00019     return MACH_TYPE_OMAP_ZOOM2;
00020 }
00021 
00022 ULONG
00023 NTAPI
00024 LlbHwGetPClk(VOID)
00025 {
00026     return 48000000;
00027 }
00028 
00029 ULONG
00030 NTAPI
00031 LlbHwGetTmr0Base(VOID)
00032 {
00033     return 0x48318000;
00034 }
00035 
00036 ULONG
00037 NTAPI
00038 LlbHwGetSerialUart(VOID)
00039 {
00040     return 0;
00041 } 
00042 
00043 ULONG
00044 LlbHwRtcRead(VOID)
00045 {
00046     /* Issue the GET_TIME request on the RTC control register */
00047     LlbHwOmap3TwlWrite1(0x4B, 0x29, 0x41);
00048     
00049     /* Read the BCD registers and convert them */
00050     LlbTime.Second = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1C));
00051     LlbTime.Minute = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1D));
00052     LlbTime.Hour = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1E));
00053     LlbTime.Day = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1F));
00054     LlbTime.Month = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x20));
00055     LlbTime.Year = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x21));
00056     LlbTime.Year += (LlbTime.Year > 80) ? 1900 : 2000;
00057     return 0;
00058 }
00059 
00060 /* EOF */
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