From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YpAak-0000QV-Kr for barebox@lists.infradead.org; Mon, 04 May 2015 07:15:03 +0000 Date: Mon, 4 May 2015 09:14:39 +0200 From: Sascha Hauer Message-ID: <20150504071439.GL6325@pengutronix.de> References: <1430619980-26243-1-git-send-email-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1430619980-26243-1-git-send-email-andrew.smirnov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [RFC, PATCH] i.MX: Add provisions to boot from IRAM To: Andrey Smirnov Cc: barebox@lists.infradead.org Hi Andrey, This series contains very nice cleanups. It needs some polishing, but the patches are very welcomed. On Sat, May 02, 2015 at 07:26:12PM -0700, Andrey Smirnov wrote: > This commit add a very basic code to allow Barebox to be booted from > IRAM. Given that the amount of IRAM on most i.MX variants is > insufficient to contain a copy of Barebox with any reasonable degree > of functionality this code uses IRAM only as a temporary location and > eventually bootstraps from DRAM. But the presense of the intermediate > IRAM-only stage allows to add provisions to test the area of DRAM that > Barebox would be using to facilitate various testing scenarious. > > Signed-off-by: Andrey Smirnov > --- > arch/arm/boards/freescale-mx51-babbage/Makefile | 3 ++ > .../flash-header-imx51-babbage-xload.imxcfg | 59 ++++++++++++++++++++++ > arch/arm/boards/freescale-mx51-babbage/lowlevel.c | 25 +++++++++ > arch/arm/configs/imx_v7-xload_defconfig | 46 +++++++++++++++++ > arch/arm/mach-imx/Kconfig | 15 ++++++ > arch/arm/mach-imx/Makefile | 1 + > arch/arm/mach-imx/xload.c | 54 ++++++++++++++++++++ > images/Makefile.imx | 20 +++++++- > 8 files changed, 222 insertions(+), 1 deletion(-) > create mode 100644 arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage-xload.imxcfg > create mode 100644 arch/arm/configs/imx_v7-xload_defconfig > create mode 100644 arch/arm/mach-imx/xload.c > > diff --git a/arch/arm/boards/freescale-mx51-babbage/Makefile b/arch/arm/boards/freescale-mx51-babbage/Makefile > index 6252c88..31b8fcd 100644 > --- a/arch/arm/boards/freescale-mx51-babbage/Makefile > +++ b/arch/arm/boards/freescale-mx51-babbage/Makefile > @@ -1,3 +1,6 @@ > obj-y += board.o flash-header-imx51-babbage.dcd.o > extra-y += flash-header-imx51-babbage.dcd.S flash-header-imx51-babbage.dcd > lwl-y += lowlevel.o > + > +obj-$(CONFIG_ARCH_IMX_XLOAD) += flash-header-imx51-babbage-xload.dcd.o > +extra-$(CONFIG_ARCH_IMX_XLOAD) += flash-header-imx51-babbage-xload.dcd.S flash-header-imx51-babbage-xload.dcd > diff --git a/arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage-xload.imxcfg b/arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage-xload.imxcfg > new file mode 100644 > index 0000000..a04ac75 > --- /dev/null > +++ b/arch/arm/boards/freescale-mx51-babbage/flash-header-imx51-babbage-xload.imxcfg > @@ -0,0 +1,59 @@ > +loadaddr CONFIG_ARCH_IMX_UNUSED_IRAM_BASE > +soc imx51 > +dcdofs 0x400 > +wm 32 0x73fa88a0 0x00000200 Can't this and the rest of this file shared with the regular imxcfg file? Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox