From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Shevchenko Date: Sun, 26 Mar 2017 14:48:18 +0300 Subject: [U-Boot] [PATCH v3] serial: Add serial driver for Intel MID In-Reply-To: References: <20170228120410.10669-1-andriy.shevchenko@linux.intel.com> <58B94612.8020802@rock-chips.com> Message-ID: <1490528898.21738.26.camel@linux.intel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: u-boot@lists.denx.de On Mon, 2017-03-13 at 16:09 +0200, Andy Shevchenko wrote: > On Fri, Mar 3, 2017 at 12:31 PM, Kever Yang > 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 > > Thanks! > > Tom et all, is it forgotten? Any update on this? Should I do something about? -- Andy Shevchenko Intel Finland Oy