static int ade_power_up(struct ade_hw_ctx *ctx)
{
int ret;
ret = clk_prepare_enable(ctx->media_noc_clk);
if (ret) {
DRM_ERROR("failed to enable media_noc_clk (%d)\n", ret);
return ret;
}
ret = reset_control_deassert(ctx->reset);
if (ret) {
DRM_ERROR("failed to deassert reset\n");
return ret;
}
ret = clk_prepare_enable(ctx->ade_core_clk);
if (ret) {
DRM_ERROR("failed to enable ade_core_clk (%d)\n", ret);
return ret;
}
ade_init(ctx);
ctx->power_on = true;
return 0;
}
int main ()
{
uint8_t v_TempCnt_u8r, v_Dummy_u8r, v_RdLcycmode_u8r;
nrk_setup_ports();
nrk_setup_uart(UART_BAUDRATE_115K2);
nrk_kprintf( PSTR("Starting up...\r\n") );
//////////////////////////////////////////////////
F_ChkIntEntry_U8R = 0;
nrk_led_clr(BLUE_LED);
nrk_led_clr(GREEN_LED);
nrk_led_clr(ORANGE_LED);
nrk_led_clr(RED_LED);
for(v_TempCnt_u8r=0;v_TempCnt_u8r<100;v_TempCnt_u8r++)
V_TxBuff_U8R[v_TempCnt_u8r]=v_TempCnt_u8r+'a';
V_RdPtr_U32R = 0;
slip_tx(&V_TxBuff_U8R[V_RdPtr_U32R],C_SlipPktSize,&V_TxBuff_U8R[C_CircBuffSize-1],C_CircBuffSize);
signal_one=nrk_signal_create();
sei();
DDRD &= ~(_BV(PORTD3)); //Making INT3 pin as input
EIMSK = 0x00;
EICRA = 0x80;
EIMSK = 0x08;
printf("#");
//Set ADE in normal power mode PM0=1 (PE2), PM!=0 (PE3)
DDRE |= _BV(PORTE2) | _BV(PORTE3);
PORTE |= _BV(PORTE2);
PORTE &= ~(_BV(PORTE3));
while(F_ChkIntEntry_U8R==0);
while(EIMSK !=0);
//Enable SPI Master, Set Clock rate fck/4
SPCR = 0x01;
SPCR |= _BV(SPE) | _BV(MSTR) | _BV(CPOL) | _BV(CPHA);
PORTB |= _BV(PORTB0);//default state of SS should be low
v_RdLcycmode_u8r=0;
//This segment below is added because it was observed that the 7878
//SPI or the ATMEL SPI takes some time to start. So waiting till
//some register gives its default value
printf("Wait..");
while(v_RdLcycmode_u8r!=0x78)
v_RdLcycmode_u8r = ade_read8(LCYCMODE);
printf("\r\n7878 Ready");
if(ade_init() < 0)
printf("\nInit failed");
else
printf("\nInit Success");
V_Status1RdWr_U32R = ade_read32(STATUS1);
ade_write32(STATUS1, V_Status1RdWr_U32R);
/////////////////////////////////////////////////
nrk_init();
nrk_time_set(0,0);
nrk_create_taskset ();
nrk_start();
return 0;
}
