Re: [U-Boot] [PATCH] arm: am33xx: Initialize EMIF REG_PR_OLD_COUNT for BBB and am335x-evm

2016-12-02 Thread Tom Rini
On Fri, Dec 02, 2016 at 06:24:49PM +0200, Jyri Sarha wrote: > On 12/02/16 15:06, Jyri Sarha wrote: > >>> diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h > >>> b/arch/arm/include/asm/arch-am33xx/ddr_defs.h > >>> >> index 43e122e..c71cfd0 100644 > >>> >> ---

Re: [U-Boot] [PATCH] arm: am33xx: Initialize EMIF REG_PR_OLD_COUNT for BBB and am335x-evm

2016-12-02 Thread Jyri Sarha
On 12/02/16 15:06, Jyri Sarha wrote: >>> diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h >>> b/arch/arm/include/asm/arch-am33xx/ddr_defs.h >>> >> index 43e122e..c71cfd0 100644 >>> >> --- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h >>> >> +++

Re: [U-Boot] [PATCH] arm: am33xx: Initialize EMIF REG_PR_OLD_COUNT for BBB and am335x-evm

2016-12-02 Thread Jyri Sarha
On 12/02/16 15:01, Tom Rini wrote: > On Fri, Dec 02, 2016 at 09:54:39AM +0200, Jyri Sarha wrote: > >> Initialize EMIF OCP_CONFIG registers REG_COS_COUNT_1, REG_COS_COUNT_2, >> and REG_PR_OLD_COUNT field for Beaglebone-Black and am335x-evm. With >> the default values LCDC suffers from DMA FIFO

Re: [U-Boot] [PATCH] arm: am33xx: Initialize EMIF REG_PR_OLD_COUNT for BBB and am335x-evm

2016-12-02 Thread Tom Rini
On Fri, Dec 02, 2016 at 09:54:39AM +0200, Jyri Sarha wrote: > Initialize EMIF OCP_CONFIG registers REG_COS_COUNT_1, REG_COS_COUNT_2, > and REG_PR_OLD_COUNT field for Beaglebone-Black and am335x-evm. With > the default values LCDC suffers from DMA FIFO underflows and frame > synchronization lost

[U-Boot] [PATCH] arm: am33xx: Initialize EMIF REG_PR_OLD_COUNT for BBB and am335x-evm

2016-12-02 Thread Jyri Sarha
Initialize EMIF OCP_CONFIG registers REG_COS_COUNT_1, REG_COS_COUNT_2, and REG_PR_OLD_COUNT field for Beaglebone-Black and am335x-evm. With the default values LCDC suffers from DMA FIFO underflows and frame synchronization lost errors. The initialization values are the highest that work flawlessly