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

60 lines
1.2 KiB
C

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