/**
* Initialize the on-chip timer controller. We snag TMU channel 2 in its
* highest resolution mode, and start it counting down from max_int.
*/
void timer_init() {
unsigned int val = byte_read(TSTR);
byte_write( TSTR, val & (~(1<<TMU_CHANNEL)) ); /* Stop counter */
long_write( TCOR(TMU_CHANNEL), 0xFFFFFFFF );
long_write( TCNT(TMU_CHANNEL), 0xFFFFFFFF );
word_write( TCR(TMU_CHANNEL), 0x00000000 );
}
//------------------------------------------------------------------------------
int board_init(void)
{
u32 v1, v2;
//printf("board_init\n");
/* arch number of the board */
gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_EVM;
/* address of boot parameters */
gd->bd->bi_boot_params = 0x0000100; //LINUX_BOOT_PARAM_ADDR;
/* if workarounds are needed */
ka_errata_workarounds();
/* Disable SSI Clock */
word_write(KA_REGIF_BASE, word_read(KA_REGIF_BASE) & 0xffdfffff);
// printf("Status %x\n", word_read(SDSW_M1_STATUS));
//setenv ("bootdelay", "8");
v1 = word_read(0x1ffc00);
v2 = word_read(0x208000);
#ifndef BOOT_FROM_SD
if (v2 == 0xe1a00000 || v2 == 0xe3a00000)
setenv ("bootf", "mmc init; go 208000");
else if (v2 == 0x56190527)
setenv ("bootf", "mmc init; bootm 208000");
else if (v1 == 0xe1a00000 || v1 == 0xe3a00000)
setenv ("bootf", "mmc init; go 1ffc00");
else if (v1 == 0x56190527)
setenv ("bootf", "mmc init; bootm 1ffc00");
else
#endif
{
//setenv ("bootf", "mmc init; fatload mmc 1 208000 image; go 208000");
setenv ("bootf", "run boot_sd");
//printf("v1 %x v2 %x\n", v1, v2);
buzzer_off();
}
/* Enable UART */
/*word_write(UART_LCR, 0x83);
word_write(UART_INTR, 0x00);
word_write(UART_RECV, 0x28); //baudrate=19200,12MHz
word_write(UART_LCR, 0x03); */
/* Close PLL */
/* Power on required peripherals */
//timer_init();
//word_write(GPIO_OUTPUT, 0x66);
return(0);
}
void do_remap(unsigned int src_base, unsigned int dest_base, int length)
{
int i;
//transfer data
for(i = 0; i < length; i++)
writel(readl(src_base + i), (dest_base + i));
//set remap reg to compelete remap
word_write(0xa0000010, 0x1);
return (0);
}