[U-Boot] [PATCHv1 10/22] arm: socfpga: spl: add sdram init and calibration

Marek Vasut
2015-01-14T23:47:59Z

On Wednesday, January 14, 2015 at 05:40:50 PM, dinguyen at opensource.altera.com
wrote:
> From: Dinh Nguyen <dinguyen@opensource.altera.com>
>
> Add a call to checkboard along with sdram intilialization and calibration.
>
> Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
> ---
> arch/arm/cpu/armv7/socfpga/spl.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/arch/arm/cpu/armv7/socfpga/spl.c
> b/arch/arm/cpu/armv7/socfpga/spl.c index 9ef2983..9481fd5 100644
> --- a/arch/arm/cpu/armv7/socfpga/spl.c
> +++ b/arch/arm/cpu/armv7/socfpga/spl.c
> @@ -16,6 +16,7 @@
> #include <asm/arch/freeze_controller.h>
> #include <asm/arch/clock_manager.h>
> #include <asm/arch/scan_manager.h>
> +#include <asm/arch/sdram.h>
>
> DECLARE_GLOBAL_DATA_PTR;
>
> @@ -175,4 +176,13 @@ void spl_board_init(void)
>
> /* enable console uart printing */
> preloader_console_init();
> +
> + checkboard();
> +
> + if (sdram_mmr_init_full(0xffffffff) != 0)
> + hang();

You might want to print some debug output in case this fails,
to inform the user that things have gone awry. Please correct
me if the sdram_mmr_init_full() already does print it.

Thanks!

> + puts("SDRAM: Calibrating PHY\n");
> + /* SDRAM calibration */
> + if (sdram_calibration_full() == 0)
> + hang();
> }

Best regards,
Marek Vasut