[U-Boot] [PATCH] Add AVR32 LCD support

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Sat Jun 13 16:20:51 CEST 2009


> diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
> index 3a51cc7..14f578e 100644
> --- a/drivers/video/atmel_lcdfb.c
> +++ b/drivers/video/atmel_lcdfb.c
> @@ -42,6 +42,7 @@ short console_row;
>  /* configurable parameters */
>  #define ATMEL_LCDC_CVAL_DEFAULT		0xc8
>  #define ATMEL_LCDC_DMA_BURST_LEN	8
> +#define ATMEL_LCDC_GUARD_TIME		2
as you change it from 1 to 2 and it's use on at91 too this MUST be test on it
so please split your patch in 2 one that update the atmel_lcdfb and on other
that add the avr32 support
>  
>  #if defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91CAP9)
>  #define ATMEL_LCDC_FIFO_SIZE		2048
> @@ -69,7 +70,7 @@ void lcd_ctrl_init(void *lcdbase)
>  
>  	/* Turn off the LCD controller and the DMA controller */
>  	lcdc_writel(panel_info.mmio, ATMEL_LCDC_PWRCON,
> -		    1 << ATMEL_LCDC_GUARDT_OFFSET);
> +		    ATMEL_LCDC_GUARD_TIME << ATMEL_LCDC_GUARDT_OFFSET);
>  
>  	/* Wait for the LCDC core to become idle */
>  	while (lcdc_readl(panel_info.mmio, ATMEL_LCDC_PWRCON) &
> ATMEL_LCDC_BUSY)
> @@ -150,7 +151,7 @@ void lcd_ctrl_init(void *lcdbase)
>  
>  	lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMACON, ATMEL_LCDC_DMAEN);
>  	lcdc_writel(panel_info.mmio, ATMEL_LCDC_PWRCON,
> -		    (1 << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR);
> +		    (ATMEL_LCDC_GUARD_TIME << ATMEL_LCDC_GUARDT_OFFSET) |
> ATMEL_LCDC_PWR);
>  }
>  
Best Regards,
J.


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