On Fri, Mar 3, 2017 at 12:31 PM, Kever Yang <kever.y...@rock-chips.com> wrote: > On 02/28/2017 08:04 PM, Andy Shevchenko wrote: >> >> Add a specific serial driver for Intel MID platforms. >> >> It has special fractional divider which can be programmed via UART_PS, >> UART_MUL, and UART_DIV registers. >> >> The UART clock is calculated as >> >> UART clock = XTAL * UART_MUL / UART_DIV >> >> The baudrate is calculated as >> >> baud rate = UART clock / UART_PS / DLAB >> >> Initialize fractional divider correctly for Intel Edison platform. >> >> For backward compatibility we have to set initial DLAB value to 16 >> and speed to 115200 baud, where initial frequency is 29491200Hz, and >> XTAL frequency is 38.4MHz.
> Reviewed-by: Kever Yang <kever.y...@rock-chips.com> Thanks! Tom et all, is it forgotten? -- With Best Regards, Andy Shevchenko _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
