Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753748Ab1BWPat (ORCPT ); Wed, 23 Feb 2011 10:30:49 -0500 Received: from comal.ext.ti.com ([198.47.26.152]:35362 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753663Ab1BWPaq convert rfc822-to-8bit (ORCPT ); Wed, 23 Feb 2011 10:30:46 -0500 From: "Nori, Sekhar" To: Subhasish Ghosh , "davinci-linux-open-source@linux.davincidsp.com" CC: "linux-arm-kernel@lists.infradead.org" , "Watkins, Melissa" , "sachi@mistralsolutions.com" , Kevin Hilman , Russell King , Michael Williamson , "Chemparathy, Cyril" , Sergei Shtylyov , open list Date: Wed, 23 Feb 2011 21:00:29 +0530 Subject: RE: [PATCH 1/1] davinci: changed SRAM allocator to shared ram. Thread-Topic: [PATCH 1/1] davinci: changed SRAM allocator to shared ram. Thread-Index: AcvJ9N9c95iqiMRTR1qWFxyA6DydQAJeSXLw Message-ID: References: <1297434088-27995-1-git-send-email-subhasish@mistralsolutions.com> In-Reply-To: <1297434088-27995-1-git-send-email-subhasish@mistralsolutions.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2139 Lines: 65 Hi Subhasish, On Fri, Feb 11, 2011 at 19:51:28, Subhasish Ghosh wrote: > This patch modifies the sram allocator to allocate memory > from the DA8XX shared RAM. It will be nice to know if you tried suspend-to-RAM after this change and found it to be working. Thanks, Sekhar > > Signed-off-by: Subhasish Ghosh > --- > arch/arm/mach-davinci/da850.c | 6 +++--- > arch/arm/mach-davinci/include/mach/da8xx.h | 1 + > 2 files changed, 4 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c > index 3443d97..8a4de97 100644 > --- a/arch/arm/mach-davinci/da850.c > +++ b/arch/arm/mach-davinci/da850.c > @@ -711,7 +711,7 @@ static struct map_desc da850_io_desc[] = { > }, > { > .virtual = SRAM_VIRT, > - .pfn = __phys_to_pfn(DA8XX_ARM_RAM_BASE), > + .pfn = __phys_to_pfn(DA8XX_SHARED_RAM_BASE), > .length = SZ_8K, > .type = MT_DEVICE > }, > @@ -1083,8 +1083,8 @@ static struct davinci_soc_info davinci_soc_info_da850 = { > .gpio_irq = IRQ_DA8XX_GPIO0, > .serial_dev = &da8xx_serial_device, > .emac_pdata = &da8xx_emac_pdata, > - .sram_dma = DA8XX_ARM_RAM_BASE, > - .sram_len = SZ_8K, > + .sram_dma = DA8XX_SHARED_RAM_BASE, > + .sram_len = SZ_128K, > .reset_device = &da8xx_wdt_device, > }; > > diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h > index cfcb223..c3c3339 100644 > --- a/arch/arm/mach-davinci/include/mach/da8xx.h > +++ b/arch/arm/mach-davinci/include/mach/da8xx.h > @@ -70,6 +70,7 @@ extern unsigned int da850_max_speed; > #define DA8XX_AEMIF_CTL_BASE 0x68000000 > #define DA8XX_DDR2_CTL_BASE 0xb0000000 > #define DA8XX_ARM_RAM_BASE 0xffff0000 > +#define DA8XX_SHARED_RAM_BASE 0x80000000 > > void __init da830_init(void); > void __init da850_init(void); > -- > 1.7.2.3 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/