subject:"\[edk2\] \[PATCH 6\/6\] ArmPlatformPkg\: Fix PL011 Glitches."

Re: [edk2] [PATCH 6/6] ArmPlatformPkg: Fix PL011 Glitches.

2016-05-31 Thread Ryan Harkin

On 28 May 2016 at 14:54, wrote: > From: Evan Lloyd > > This change corrects 3 problems in the PL011 driver. > 1. The TRM states "The UARTLCR_H, UARTIBRD, and UARTFBRD registers must >not be changed:...when the UART is enabled" > 2. The TRM (3.3.8) describes logic requiring the UART to be dis

[edk2] [PATCH 6/6] ArmPlatformPkg: Fix PL011 Glitches.

2016-05-28 Thread evan . lloyd

From: Evan Lloyd This change corrects 3 problems in the PL011 driver. 1. The TRM states "The UARTLCR_H, UARTIBRD, and UARTFBRD registers must not be changed:...when the UART is enabled" 2. The TRM (3.3.8) describes logic requiring the UART to be disabled and flushed before adjusting UARTCR.