hwinfo.c File Reference

#include "precomp.h"

Include dependency graph for hwinfo.c:

Go to the source code of this file.

Functions
static UCHAR	BCD_INT (_In_ UCHAR Bcd)
ULONG NTAPI	LlbHwGetBoardType (VOID)
ULONG NTAPI	LlbHwGetPClk (VOID)
ULONG NTAPI	LlbHwGetTmr0Base (VOID)
ULONG NTAPI	LlbHwGetSerialUart (VOID)
ULONG	LlbHwRtcRead (VOID)

Variables
TIMEINFO	LlbTime

Function Documentation

BCD_INT()

static UCHAR BCD_INT ( _In_ UCHAR  Bcd )

static

Definition at line 15 of file hwinfo.c.

{
    return ((Bcd & 0xF0) >> 4) * 10 + (Bcd & 0x0F);
}

Referenced by HalQueryRealTimeClock(), and LlbHwRtcRead().

LlbHwGetBoardType()

ULONG NTAPI LlbHwGetBoardType

(

VOID

)

Definition at line 23 of file hwinfo.c.

{
    return MACH_TYPE_OMAP_ZOOM2;
}

LlbHwGetPClk()

ULONG NTAPI LlbHwGetPClk

(

VOID

)

Definition at line 30 of file hwinfo.c.

{
    return 48000000;
}

LlbHwGetSerialUart()

ULONG NTAPI LlbHwGetSerialUart

(

VOID

)

Definition at line 44 of file hwinfo.c.

{
    return 0;
}

LlbHwGetTmr0Base()

ULONG NTAPI LlbHwGetTmr0Base

(

VOID

)

Definition at line 37 of file hwinfo.c.

{
    return 0x48318000;
}

LlbHwRtcRead()

ULONG LlbHwRtcRead

(

VOID

)

Definition at line 50 of file hwinfo.c.

{
    /* 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;
}

Variable Documentation

LlbTime

TIMEINFO LlbTime

Definition at line 11 of file hwinfo.c.

Referenced by LlbHwRtcRead().