Re: [PATCH]PM: Initialization of SDRC params for DVFS on Zoom2

[Kevin Hilman <khilman@deeprootsystems.com>]

"Reddy, Teerth" <teerth@ti.com> writes:

> This patch initializes the SDRC params for DVFS on Zoom2.
>
> Signed-off-by: Teerth Reddy <teerth@ti.com>
> ---
>  arch/arm/mach-omap2/board-zoom2.c |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
>
> Index: linux-omap-pm/arch/arm/mach-omap2/board-zoom2.c
> ===================================================================
> --- linux-omap-pm.orig/arch/arm/mach-omap2/board-zoom2.c
> +++ linux-omap-pm/arch/arm/mach-omap2/board-zoom2.c
> @@ -23,6 +23,7 @@
>  
>  #include "mmc-twl4030.h"
>  #include "omap3-opp.h"
> +#include "sdram-micron-mt46h32m32lf-6.h"
>  
>  static struct omap_uart_config zoom2_uart_config __initdata = {
>  	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
> @@ -36,8 +37,9 @@ static void __init omap_zoom2_init_irq(v
>  {
>  	omap_board_config = zoom2_config;
>  	omap_board_config_size = ARRAY_SIZE(zoom2_config);
> -	omap2_init_common_hw(NULL, NULL, omap3_mpu_rate_table,
> -	                     omap3_dsp_rate_table, omap3_l3_rate_table);
> +	omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL,
> +		omap3_mpu_rate_table, omap3_dsp_rate_table,
> +					omap3_l3_rate_table);

Not having looked at the Zoom2 schematics, are you sure this is only
using a single chip select?  The other boards using the same part
(beagle, overo) are interfacing to this part using both CSes.

Have you tested DVFS on Zoom2 using the full 256Mb?

Kevin

>  	omap_init_irq();
>  	omap_gpio_init();
>  }