From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2 3/3] xen/arm: Introduce support for Renesas R-Car Gen2 platform Date: Thu, 22 Jan 2015 14:49:56 +0000 Message-ID: <54C10E14.8030308@linaro.org> References: <1421849778-1562-1-git-send-email-oiurii.konovalenko@globallogic.com> <1421849778-1562-4-git-send-email-oiurii.konovalenko@globallogic.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1421849778-1562-4-git-send-email-oiurii.konovalenko@globallogic.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Iurii Konovalenko , xen-devel@lists.xen.org Cc: oleksandr.tyshchenko@globallogic.com, tim@xen.org, ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com List-Id: xen-devel@lists.xenproject.org Hi Iurii, On 21/01/15 14:16, Iurii Konovalenko wrote: > From: Iurii Konovalenko > > Signed-off-by: Iurii Konovalenko Reviewed-by: Julien Grall 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 > + * > + * 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 > +#include > +#include > +#include > + > +#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