From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomi.valkeinen@ti.com (Tomi Valkeinen) Date: Wed, 22 Feb 2012 10:09:51 +0200 Subject: [PATCH 1/8] ARM: OMAP2+: Move DISPC L3 firewall to happen in omap_display_init() In-Reply-To: <20120221234035.18709.40664.stgit@kaulin.local> References: <20120221233619.18709.87982.stgit@kaulin.local> <20120221234035.18709.40664.stgit@kaulin.local> Message-ID: <1329898191.2070.6.camel@deskari> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Tue, 2012-02-21 at 15:40 -0800, Tony Lindgren wrote: > Otherwise we cannot move most of plat/io.h to be a local > iomap.h for mach-omap2. > > Cc: Tomi Valkeinen > Cc: linux-fbdev at vger.kernel.org > Signed-off-by: Tony Lindgren > --- > arch/arm/mach-omap2/display.c | 3 +++ > drivers/video/omap2/dss/dispc.c | 5 ----- > 2 files changed, 3 insertions(+), 5 deletions(-) > > diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c > index 3677b1f..5a7f12f 100644 > --- a/arch/arm/mach-omap2/display.c > +++ b/arch/arm/mach-omap2/display.c > @@ -191,6 +191,9 @@ int __init omap_display_init(struct omap_dss_board_info *board_data) > memset(&pdata, 0, sizeof(pdata)); > > if (cpu_is_omap24xx()) { > + /* L3 firewall setting: enable access to OCM RAM */ > + __raw_writel(0x402000b0, OMAP2_L3_IO_ADDRESS(0x680050a0)); > + > curr_dss_hwmod = omap2_dss_hwmod_data; > oh_count = ARRAY_SIZE(omap2_dss_hwmod_data); > } else if (cpu_is_omap34xx()) { > diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c > index e1626a1..cce0820 100644 > --- a/drivers/video/omap2/dss/dispc.c > +++ b/drivers/video/omap2/dss/dispc.c > @@ -3272,11 +3272,6 @@ static void _omap_dispc_initial_config(void) > if (dss_has_feature(FEAT_FUNCGATED)) > REG_FLD_MOD(DISPC_CONFIG, 1, 9, 9); > > - /* L3 firewall setting: enable access to OCM RAM */ > - /* XXX this should be somewhere in plat-omap */ > - if (cpu_is_omap24xx()) > - __raw_writel(0x402000b0, OMAP2_L3_IO_ADDRESS(0x680050a0)); > - > _dispc_setup_color_conv_coef(); > > dispc_set_loadmode(OMAP_DSS_LOAD_FRAME_ONLY); > I think the whole raw_writel line can be removed. It's been copied from the old omapfb, and my understanding is that it's about using SRAM for framebuffer. Using SRAM for fb is no longer supported, and I have a patch set that removes the remaining SRAM code from omapfb/omapdss. Tomi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: This is a digitally signed message part URL: