svn commit: r262244 - head/sys/arm/freescale/imx

[Warner Losh]

On Feb 20, 2014, at 7:29 AM, Ian Lepore wrote:
> + * Resist the temptation to change the #if 0 to #ifdef EARLY_PRINTF here. It
> + * makes sense now, but if multiple SOCs do that it will make early_putc another
> + * duplicate symbol to be eliminated on the path to a generic kernel.
> + */
> +#if 0 
> +static void 
> +imx6_early_putc(int c)
> +{
> +	volatile uint32_t * UART_STAT_REG = (uint32_t *)0x02020098;
> +	volatile uint32_t * UART_TX_REG   = (uint32_t *)0x02020040;
> +	const uint32_t      UART_TXRDY    = (1 << 3);
> +
> +	while ((*UART_STAT_REG & UART_TXRDY) == 0)
> +		continue;
> +	*UART_TX_REG = c;
> +}
> +early_putc_t *early_putc = imx6_early_putc;
> +#endif

I'm starting to think we should have code like this in a platform board specific file that's matched based on the top-level compatible strings...

Doing this is like 8th on my list right now...

Warner