Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756372Ab3JGUoe (ORCPT ); Mon, 7 Oct 2013 16:44:34 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:53064 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752682Ab3JGUob (ORCPT ); Mon, 7 Oct 2013 16:44:31 -0400 From: Nishanth Menon To: =?UTF-8?q?Beno=C3=AEt=20Cousson?= , Tony Lindgren , Felipe , Olof Johansson CC: , , , , , Nishanth Menon Subject: [PATCH V3] ARM: OMAP3: Fix hardware detection for omap3630 when booted with device tree Date: Mon, 7 Oct 2013 15:43:49 -0500 Message-ID: <1381178629-13488-1-git-send-email-nm@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <20131007192009.GA8949@atomide.com> References: <20131007192009.GA8949@atomide.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3537 Lines: 112 SoC family definitions at the moment are reactive to board needs as a result, beagle-xm would matchup with ti,omap3 which invokes omap3430_init_early instead of omap3630_init_early. Obviously, this is the wrong behavior. With clock node dts conversion, we get the following warnings as a result and 3630 based platforms fails to boot (uart4 clocks are only present in OMAP3630 and not present in OMAP3430): ... omap_hwmod: uart4: cannot clk_get main_clk uart4_fck omap_hwmod: uart4: cannot _init_clocks WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2434 _init+0x6c/0x80() omap_hwmod: uart4: couldn't init clocks ... WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2126 _enable+0x254/0x280() omap_hwmod: timer12: enabled state can only be entered from initialized, idle, or disabled state ... WARNING: CPU: 0 PID: 46 at arch/arm/mach-omap2/omap_hwmod.c:2224 _idle+0xd4/0xf8() omap_hwmod: timer12: idle state can only be entered from enabled state WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2126 _enable+0x254/0x280() omap_hwmod: uart4: enabled state can only be entered from initialized, idle, or disabled state So, add specific compatiblity for 3630 to allow match for Beagle-XM platform. Signed-off-by: Nishanth Menon --- Changes in V3 (since v2): - Fix typo in dts :( V2: https://patchwork.kernel.org/patch/2999111/ - based on v3.12-rc4 tag - Update based on Tony's review comments. V1: http://marc.info/?l=linux-omap&m=138117342909375&w=2 RFC: https://patchwork.kernel.org/patch/2919661/ arch/arm/boot/dts/omap3-beagle-xm.dts | 2 +- arch/arm/mach-omap2/board-generic.c | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts index 0c514dc..2816bf6 100644 --- a/arch/arm/boot/dts/omap3-beagle-xm.dts +++ b/arch/arm/boot/dts/omap3-beagle-xm.dts @@ -11,7 +11,7 @@ / { model = "TI OMAP3 BeagleBoard xM"; - compatible = "ti,omap3-beagle-xm", "ti,omap3-beagle", "ti,omap3"; + compatible = "ti,omap3-beagle-xm", "ti,omap36xx", "ti,omap3"; cpus { cpu@0 { diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 39c7838..4fe5b9c 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -113,6 +113,7 @@ MACHINE_END #ifdef CONFIG_ARCH_OMAP3 static const char *omap3_boards_compat[] __initdata = { "ti,omap3", + "ti,omap343x", NULL, }; @@ -129,6 +130,24 @@ DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") .restart = omap3xxx_restart, MACHINE_END +static const char *omap36xx_boards_compat[] __initdata = { + "ti,omap36xx", + NULL, +}; + +DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)") + .reserve = omap_reserve, + .map_io = omap3_map_io, + .init_early = omap3630_init_early, + .init_irq = omap_intc_of_init, + .handle_irq = omap3_intc_handle_irq, + .init_machine = omap_generic_init, + .init_late = omap3_init_late, + .init_time = omap3_sync32k_timer_init, + .dt_compat = omap36xx_boards_compat, + .restart = omap3xxx_restart, +MACHINE_END + static const char *omap3_gp_boards_compat[] __initdata = { "ti,omap3-beagle", "timll,omap3-devkit8000", -- 1.7.9.5 -- 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/