From mboxrd@z Thu Jan 1 00:00:00 1970 From: Abhilash Kesavan Subject: [PATCH 3/5] ARM: EXYNOS5420: Add IO mapping for non-secure SYSRAM Date: Fri, 11 Apr 2014 23:31:49 +0530 Message-ID: <1397239311-27717-4-git-send-email-a.kesavan@samsung.com> References: <1397239311-27717-1-git-send-email-a.kesavan@samsung.com> Return-path: In-Reply-To: <1397239311-27717-1-git-send-email-a.kesavan-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, thomas.ab-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, inderpal.s-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, lorenzo.pieralisi-5wv7dgnIgG8@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, kgene.kim-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, nicolas.pitre-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, Dave.Martin-5wv7dgnIgG8@public.gmane.org, t.figa-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org List-Id: devicetree@vger.kernel.org On the Exynos5420 non-secure SYSRAM is used for secondary CPU bring-up, so add a mapping for it. Signed-off-by: Thomas Abraham Signed-off-by: Abhilash Kesavan --- arch/arm/mach-exynos/exynos.c | 11 +++++++++++ arch/arm/mach-exynos/include/mach/map.h | 1 + 2 files changed, 12 insertions(+) diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index b32a907..b1cf9d5 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -159,6 +159,15 @@ static struct map_desc exynos5250_iodesc[] __initdata = { }, }; +static struct map_desc exynos5420_iodesc[] __initdata = { + { + .virtual = (unsigned long)S5P_VA_SYSRAM_NS, + .pfn = __phys_to_pfn(EXYNOS5420_PA_SYSRAM_NS), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + static struct map_desc exynos5_iodesc[] __initdata = { { .virtual = (unsigned long)S3C_VA_SYS, @@ -294,6 +303,8 @@ static void __init exynos_map_io(void) iotable_init(exynos4x12_iodesc, ARRAY_SIZE(exynos4x12_iodesc)); if (soc_is_exynos5250()) iotable_init(exynos5250_iodesc, ARRAY_SIZE(exynos5250_iodesc)); + if (soc_is_exynos5420()) + iotable_init(exynos5420_iodesc, ARRAY_SIZE(exynos5420_iodesc)); } void __init exynos_init_io(void) diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index 7b046b5..8c5be19 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -29,6 +29,7 @@ #define EXYNOS4210_PA_SYSRAM_NS 0x0203F000 #define EXYNOS4x12_PA_SYSRAM_NS 0x0204F000 #define EXYNOS5250_PA_SYSRAM_NS 0x0204F000 +#define EXYNOS5420_PA_SYSRAM_NS 0x02073000 #define EXYNOS_PA_CHIPID 0x10000000 -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html