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 canuck.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1Pempf-0001DM-EB for barebox@lists.infradead.org; Mon, 17 Jan 2011 11:01:08 +0000 From: Juergen Beisert Date: Mon, 17 Jan 2011 11:59:31 +0100 References: <1295259766-19301-1-git-send-email-s.hauer@pengutronix.de> <1295259766-19301-4-git-send-email-s.hauer@pengutronix.de> In-Reply-To: <1295259766-19301-4-git-send-email-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <201101171159.31154.jbe@pengutronix.de> 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-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 3/4] ARM i.MX28 tx28: use a fixed framebuffer address To: barebox@lists.infradead.org Sascha Hauer wrote: > Signed-off-by: Sascha Hauer > --- > arch/arm/boards/karo-tx28/tx28-stk5.c | 12 ++++++++++++ > 1 files changed, 12 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/boards/karo-tx28/tx28-stk5.c > b/arch/arm/boards/karo-tx28/tx28-stk5.c index 6de41f7..adad8b9 100644 > --- a/arch/arm/boards/karo-tx28/tx28-stk5.c > +++ b/arch/arm/boards/karo-tx28/tx28-stk5.c > @@ -19,11 +19,13 @@ > #include > #include > #include > +#include > #include > #include > #include > #include > #include > +#include > > static struct stm_mci_platform_data mci_pdata = { > .caps = MMC_MODE_4BIT | MMC_MODE_HS | MMC_MODE_HS_52MHz, > @@ -181,11 +183,15 @@ static struct fb_videomode tx28evk_vmodes[] = { > }, > }; > > +#define MAX_FB_SIZE SZ_2M > + > static struct imx_fb_videomode imxfb_mode = { > .mode_list = tx28evk_vmodes, > .mode_cnt = ARRAY_SIZE(tx28evk_vmodes), > .dotclk_delay = 0, /* no adaption required */ > .ld_intf_width = STMLCDIF_24BIT, /* full 24 bit */ > + .fixed_screen = (void *)(0x40000000 + SZ_128M - MAX_FB_SIZE), > + .fixed_screen_size = MAX_FB_SIZE, > }; Question only: Any idea how we could make this setup (base address and size of the fixed screen) a runtime feature? This would be a nice feature like most modern BIOS also have: Make the size of the video memory shared with the CPU selectable at runtime. jbe -- Pengutronix e.K. | Juergen Beisert | Linux Solutions for Science and Industry | Phone: +49-8766-939 228 | Vertretung Sued/Muenchen, Germany | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de/ | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox