Re: [PATCH v2 3/3] xen/arm: Introduce support for Renesas R-Car Gen2 platform

[Julien Grall <julien.grall@linaro.org>]

Hi Iurii,

On 21/01/15 14:16, Iurii Konovalenko wrote:
> From: Iurii Konovalenko <iurii.konovalenko@globallogic.com>
> 
> Signed-off-by: Iurii Konovalenko <iurii.konovalenko@globallogic.com>

Reviewed-by: Julien Grall <julien.grall@linaro.org>

Regards,

> ---
>  xen/arch/arm/platforms/Makefile   |  1 +
>  xen/arch/arm/platforms/shmobile.c | 71 +++++++++++++++++++++++++++++++++++++++
>  2 files changed, 72 insertions(+)
>  create mode 100644 xen/arch/arm/platforms/shmobile.c
> 
> diff --git a/xen/arch/arm/platforms/Makefile b/xen/arch/arm/platforms/Makefile
> index 8f47c16..29e931a 100644
> --- a/xen/arch/arm/platforms/Makefile
> +++ b/xen/arch/arm/platforms/Makefile
> @@ -4,5 +4,6 @@ obj-$(CONFIG_ARM_32) += exynos5.o
>  obj-$(CONFIG_ARM_32) += midway.o
>  obj-$(CONFIG_ARM_32) += omap5.o
>  obj-$(CONFIG_ARM_32) += sunxi.o
> +obj-$(CONFIG_ARM_32) += shmobile.o
>  obj-$(CONFIG_ARM_64) += seattle.o
>  obj-$(CONFIG_ARM_64) += xgene-storm.o
> diff --git a/xen/arch/arm/platforms/shmobile.c b/xen/arch/arm/platforms/shmobile.c
> new file mode 100644
> index 0000000..c462b0e
> --- /dev/null
> +++ b/xen/arch/arm/platforms/shmobile.c
> @@ -0,0 +1,71 @@
> +/*
> + * xen/arch/arm/platforms/shmobile.c
> + *
> + * Renesas R-Car Gen2 specific settings
> + *
> + * Iurii Konovalenko <iurii.konovalenko@globallogic.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + */
> +
> +#include <xen/mm.h>
> +#include <xen/vmap.h>
> +#include <asm/platform.h>
> +#include <asm/io.h>
> +
> +#define SHMOBILE_RAM_ADDR                         0xE63C0000
> +#define SHMOBILE_RAM_SIZE                         0x1000
> +#define SHMOBILE_SMP_START_OFFSET                 0xFFC
> +
> +static int __init shmobile_smp_init(void)
> +{
> +    void __iomem *pram;
> +
> +    /* map ICRAM */
> +    pram = ioremap_nocache(SHMOBILE_RAM_ADDR, SHMOBILE_RAM_SIZE);
> +    if( !pram )
> +    {
> +        dprintk( XENLOG_ERR, "Unable to map Shmobile ICRAM\n");
> +        return -ENOMEM;
> +    }
> +
> +    /* setup reset vectors */
> +    writel(__pa(init_secondary), pram + SHMOBILE_SMP_START_OFFSET);
> +    iounmap(pram);
> +
> +    sev();
> +
> +    return 0;
> +}
> +
> +static const char const *shmobile_dt_compat[] __initdata =
> +{
> +    "renesas,lager",
> +    NULL
> +};
> +
> +PLATFORM_START(shmobile, "Renesas R-Car Gen2")
> +    .compatible = shmobile_dt_compat,
> +    .cpu_up = cpu_up_send_sgi,
> +    .smp_init = shmobile_smp_init,
> +
> +    .dom0_gnttab_start = 0xc0000000,
> +    .dom0_gnttab_size = 0x20000,
> +PLATFORM_END
> +
> +/*
> + * Local variables:
> + * mode: C
> + * c-file-style: "BSD"
> + * c-basic-offset: 4
> + * indent-tabs-mode: nil
> + * End:
> + */
> 


-- 
Julien Grall