versa.h File Reference

Go to the source code of this file.

Functions
VOID NTAPI	LlbHwVersaUartInitialize (VOID)
VOID NTAPI	LlbHwVersaClcdInitialize (VOID)
VOID NTAPI	LlbHwVersaKmiInitialize (VOID)

Function Documentation

LlbHwVersaClcdInitialize()

VOID NTAPI LlbHwVersaClcdInitialize

(

VOID

)

Definition at line 29 of file hwclcd.c.

{
    /* Set framebuffer address */
    WRITE_REGISTER_ULONG(PL110_LCDUPBASE, (ULONG)LlbHwGetFrameBuffer());
    WRITE_REGISTER_ULONG(PL110_LCDLPBASE, (ULONG)LlbHwGetFrameBuffer());
 
    /* Initialize timings to 720x400 */
    WRITE_REGISTER_ULONG(PL110_LCDTIMING0, LCDTIMING0_PPL(LlbHwGetScreenWidth()));
    WRITE_REGISTER_ULONG(PL110_LCDTIMING1, LCDTIMING1_LPP(LlbHwGetScreenHeight()));
 
    /* Enable the TFT/LCD Display */
    WRITE_REGISTER_ULONG(PL110_LCDCONTROL,
                         LCDCONTROL_LCDEN |
                         LCDCONTROL_LCDTFT |
                         LCDCONTROL_LCDPWR |
                         LCDCONTROL_LCDBPP(4));
}

Referenced by LlbHwInitialize().

LlbHwVersaKmiInitialize()

VOID NTAPI LlbHwVersaKmiInitialize

(

VOID

)

Definition at line 80 of file hwkmi.c.

{
    UCHAR Divisor;
 
    /* Setup divisor and enable KMI */
    Divisor = (LlbHwGetPClk() / 8000000) - 1;
    WRITE_REGISTER_UCHAR(PL050_KMICLKDIV, Divisor);
    WRITE_REGISTER_UCHAR(PL050_KMICR, KMICR_EN);
 
    /* Reset PS/2 controller */
    LlbHwVersaKmiSendAndWait(PS2_O_RESET);
    if (LlbHwKbdRead() != PS2_I_BAT_OK) DbgPrint("PS/2 RESET FAILURE!\n");
 
    /* Send PS/2 Initialization Stream */
    LlbHwVersaKmiSendAndWait(PS2_O_DISABLE);
    LlbHwVersaKmiSendAndWait(PS2_O_SET_DEFAULT);
    LlbHwVersaKmiSendAndWait(PS2_O_SET_SCANSET);
    LlbHwVersaKmiSendAndWait(1);
    LlbHwVersaKmiSendAndWait(PS2_O_ENABLE);
}

Referenced by LlbHwInitialize().

LlbHwVersaUartInitialize()

VOID NTAPI LlbHwVersaUartInitialize

(

VOID

)

Definition at line 49 of file hwuart.c.

{
    ULONG Divider, Remainder, Fraction, ClockRate, Baudrate;
 
    /* Query peripheral rate, hardcore baudrate */
    ClockRate = LlbHwGetPClk();
    Baudrate = 115200;
 
    /* Calculate baudrate clock divider and remainder */
    Divider = ClockRate / (16 * Baudrate);
    Remainder = ClockRate % (16 * Baudrate);
 
    /* Calculate the fractional part */
    Fraction = (8 * Remainder / Baudrate) >> 1;
    Fraction += (8 * Remainder / Baudrate) & 1;
 
    /* Disable interrupts */
    WRITE_REGISTER_ULONG(UART_PL011_CR, 0);
 
    /* Set the baud rate to 115200 bps */
    WRITE_REGISTER_ULONG(UART_PL011_IBRD, Divider);
    WRITE_REGISTER_ULONG(UART_PL011_FBRD, Fraction);
 
    /* Set 8 bits for data, 1 stop bit, no parity, FIFO enabled */
    WRITE_REGISTER_ULONG(UART_PL011_LCRH,
                         UART_PL011_LCRH_WLEN_8 | UART_PL011_LCRH_FEN);
 
    /* Clear and enable FIFO */
    WRITE_REGISTER_ULONG(UART_PL011_CR,
                         UART_PL011_CR_UARTEN |
                         UART_PL011_CR_TXE |
                         UART_PL011_CR_RXE);
}

Referenced by LlbHwInitialize().