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61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
/*
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* PROJECT: ReactOS Boot Loader
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* LICENSE: BSD - See COPYING.ARM in the top level directory
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* FILE: boot/armllb/hw/omap3-zoom2/hwinfo.c
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* PURPOSE: LLB Hardware Info Routines for OMAP3 ZOOM2
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* PROGRAMMERS: ReactOS Portable Systems Group
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*/
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#include "precomp.h"
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TIMEINFO LlbTime;
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#define BCD_INT(bcd) (((bcd & 0xf0) >> 4) * 10 + (bcd &0x0f))
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ULONG
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NTAPI
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LlbHwGetBoardType(VOID)
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{
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return MACH_TYPE_OMAP_ZOOM2;
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}
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ULONG
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NTAPI
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LlbHwGetPClk(VOID)
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{
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return 48000000;
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}
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ULONG
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NTAPI
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LlbHwGetTmr0Base(VOID)
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{
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return 0x48318000;
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}
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ULONG
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NTAPI
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LlbHwGetSerialUart(VOID)
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{
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return 0;
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}
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ULONG
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LlbHwRtcRead(VOID)
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{
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/* Issue the GET_TIME request on the RTC control register */
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LlbHwOmap3TwlWrite1(0x4B, 0x29, 0x41);
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/* Read the BCD registers and convert them */
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LlbTime.Second = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1C));
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LlbTime.Minute = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1D));
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LlbTime.Hour = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1E));
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LlbTime.Day = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x1F));
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LlbTime.Month = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x20));
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LlbTime.Year = BCD_INT(LlbHwOmap3TwlRead1(0x4B, 0x21));
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LlbTime.Year += (LlbTime.Year > 80) ? 1900 : 2000;
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return 0;
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}
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/* EOF */
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