From patchwork Tue Aug 6 17:49:36 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gerlach X-Patchwork-Id: 2839509 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 51AB79F479 for ; Tue, 6 Aug 2013 17:52:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 78C4D20216 for ; Tue, 6 Aug 2013 17:52:44 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 56DFD20212 for ; Tue, 6 Aug 2013 17:52:43 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6lQ5-0007ZV-Re; Tue, 06 Aug 2013 17:51:43 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6lPd-0004yp-EO; Tue, 06 Aug 2013 17:51:13 +0000 Received: from bear.ext.ti.com ([192.94.94.41]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6lOx-0004t5-8a for linux-arm-kernel@lists.infradead.org; Tue, 06 Aug 2013 17:50:40 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id r76Ho9L1027575; Tue, 6 Aug 2013 12:50:09 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id r76Ho9hH028929; Tue, 6 Aug 2013 12:50:09 -0500 Received: from dlelxv24.itg.ti.com (172.17.1.199) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.2.342.3; Tue, 6 Aug 2013 12:50:09 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlelxv24.itg.ti.com (8.13.8/8.13.8) with ESMTP id r76Ho9JZ002233; Tue, 6 Aug 2013 12:50:09 -0500 Received: from localhost (lta0274052.am.dhcp.ti.com [128.247.106.219]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id r76Ho8t02127; Tue, 6 Aug 2013 12:50:08 -0500 (CDT) From: Dave Gerlach To: , Subject: [PATCHv3 9/9] ARM: OMAP2+: AM33XX: Hookup AM33XX PM code into OMAP builds Date: Tue, 6 Aug 2013 12:49:36 -0500 Message-ID: <1375811376-49985-10-git-send-email-d-gerlach@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1375811376-49985-1-git-send-email-d-gerlach@ti.com> References: <1375811376-49985-1-git-send-email-d-gerlach@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130806_135031_536632_0C8866EE X-CRM114-Status: GOOD ( 15.85 ) X-Spam-Score: -6.9 (------) Cc: Paul Walmsley , Kevin Hilman , Vaibhav Bedia , Dave Gerlach X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Vaibhav Bedia With all the requisite changes in place we can now enable the basic PM support for AM335x. This patch updates the various OMAP files to enable suspend-resume on AM335x. Signed-off-by: Vaibhav Bedia Signed-off-by: Dave Gerlach Reviewed-by: Russ Dill Acked-by: Santosh Shilikar --- arch/arm/mach-omap2/Kconfig | 7 +++++-- arch/arm/mach-omap2/Makefile | 2 ++ arch/arm/mach-omap2/board-generic.c | 1 + arch/arm/mach-omap2/common.h | 10 ++++++++++ arch/arm/mach-omap2/io.c | 5 +++++ arch/arm/mach-omap2/pm.c | 3 ++- arch/arm/mach-omap2/pm.h | 5 +++++ arch/arm/mach-omap2/sram.c | 10 +++++++++- arch/arm/mach-omap2/sram.h | 2 ++ 9 files changed, 41 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 3eed000..ef3fe40 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -67,11 +67,14 @@ config SOC_OMAP5 config SOC_AM33XX bool "AM33XX support" depends on ARCH_MULTI_V7 - select ARCH_OMAP2PLUS + default y select ARM_CPU_SUSPEND if PM + select COMMON_CLK select CPU_V7 + select MAILBOX if PM select MULTI_IRQ_HANDLER - select COMMON_CLK + select OMAP_MBOX_FWK if PM + select OMAP2PLUS_MBOX if PM config SOC_AM43XX bool "TI AM43x" diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index d4f6715..eb3a47a 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -87,6 +87,7 @@ obj-$(CONFIG_ARCH_OMAP2) += sleep24xx.o obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o obj-$(CONFIG_ARCH_OMAP4) += pm44xx.o omap-mpuss-lowpower.o obj-$(CONFIG_SOC_OMAP5) += omap-mpuss-lowpower.o +obj-$(CONFIG_SOC_AM33XX) += pm33xx.o sleep33xx.o wkup_m3.o obj-$(CONFIG_PM_DEBUG) += pm-debug.o obj-$(CONFIG_POWER_AVS_OMAP) += sr_device.o @@ -94,6 +95,7 @@ obj-$(CONFIG_POWER_AVS_OMAP_CLASS3) += smartreflex-class3.o AFLAGS_sleep24xx.o :=-Wa,-march=armv6 AFLAGS_sleep34xx.o :=-Wa,-march=armv7-a$(plus_sec) +AFLAGS_sleep33xx.o :=-Wa,-march=armv7-a$(plus_sec) endif diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index aed750c..3f2d6a7 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -159,6 +159,7 @@ DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)") .reserve = am33xx_reserve, .map_io = am33xx_map_io, .init_early = am33xx_init_early, + .init_late = am33xx_init_late, .init_irq = omap_intc_of_init, .handle_irq = omap3_intc_handle_irq, .init_machine = omap_generic_init, diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index 6b8ef74..80bf0da 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -69,6 +69,15 @@ static inline int omap4_pm_init(void) } #endif +#if defined(CONFIG_PM) && defined(CONFIG_SOC_AM33XX) +int am33xx_pm_init(void); +#else +static inline int am33xx_pm_init(void) +{ + return 0; +} +#endif + #ifdef CONFIG_OMAP_MUX int omap_mux_late_init(void); #else @@ -107,6 +116,7 @@ void omap2430_init_late(void); void omap3430_init_late(void); void omap35xx_init_late(void); void omap3630_init_late(void); +void am33xx_init_late(void); void am35xx_init_late(void); void ti81xx_init_late(void); int omap2_common_pm_late_init(void); diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 3ad7543..63516e5 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -584,6 +584,11 @@ void __init am33xx_init_early(void) omap_hwmod_init_postsetup(); omap_clk_init = am33xx_clk_init; } + +void __init am33xx_init_late(void) +{ + am33xx_pm_init(); +} #endif #ifdef CONFIG_SOC_AM43XX diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index e742118..f8bd883 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -305,7 +305,8 @@ int __init omap2_common_pm_late_init(void) } #ifdef CONFIG_SUSPEND - suspend_set_ops(&omap_pm_ops); + if (!soc_is_am33xx()) + suspend_set_ops(&omap_pm_ops); #endif return 0; diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 7bdd22a..5122bb6 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -82,6 +82,11 @@ extern unsigned int omap3_do_wfi_sz; /* ... and its pointer from SRAM after copy */ extern void (*omap3_do_wfi_sram)(void); +/* am33xx_do_wfi function pointer and size, for copy to SRAM */ +extern void am33xx_do_wfi(void); +extern unsigned int am33xx_do_wfi_sz; +extern unsigned int am33xx_resume_offset; + /* save_secure_ram_context function pointer and size, for copy to SRAM */ extern int save_secure_ram_context(u32 *addr); extern unsigned int save_secure_ram_context_sz; diff --git a/arch/arm/mach-omap2/sram.c b/arch/arm/mach-omap2/sram.c index 4bd0968..303c562 100644 --- a/arch/arm/mach-omap2/sram.c +++ b/arch/arm/mach-omap2/sram.c @@ -154,7 +154,7 @@ static void __init omap2_map_sram(void) omap_sram_size -= SZ_16K; } #endif - if (cpu_is_omap34xx()) { + if (cpu_is_omap34xx() || soc_is_am33xx()) { /* * SRAM must be marked as non-cached on OMAP3 since the * CORE DPLL M2 divider change code (in SRAM) runs with the @@ -285,10 +285,18 @@ static inline int omap34xx_sram_init(void) } #endif /* CONFIG_ARCH_OMAP3 */ +#ifdef CONFIG_SOC_AM33XX static inline int am33xx_sram_init(void) { + am33xx_push_sram_idle(); return 0; } +#else +static inline int am33xx_sram_init(void) +{ + return 0; +} +#endif int __init omap_sram_init(void) { diff --git a/arch/arm/mach-omap2/sram.h b/arch/arm/mach-omap2/sram.h index ca7277c..24788b5 100644 --- a/arch/arm/mach-omap2/sram.h +++ b/arch/arm/mach-omap2/sram.h @@ -62,8 +62,10 @@ extern unsigned long omap3_sram_configure_core_dpll_sz; #ifdef CONFIG_PM extern void omap_push_sram_idle(void); +extern void am33xx_push_sram_idle(void); #else static inline void omap_push_sram_idle(void) {} +static inline void am33xx_push_sram_idle(void) {} #endif /* CONFIG_PM */ #endif /* __ASSEMBLY__ */