From patchwork Sun Apr 16 13:34:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Artur Weber X-Patchwork-Id: 13212946 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C43B8C77B61 for ; Sun, 16 Apr 2023 13:36:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PJm7O8keUKsmw0oZNsNWw6mvcBslL2S0X6SNmybgg+w=; b=AVuqOZR8XUzYz2 m0m9Z0MH/B09S3On4BXw5oaSwsjL/c55lla2UmcSjFnxn4lcqmZrmBlRLpHk5H+GhmDKG9I26FQmL bcyUMl6dhjeveoI5YUKBNPJ6jiMRHypfvCTej+QKNIDh4Flrs+9Id2QBsgNyaHThixb2TDtGD93js G/MBgvKGn6n3B9WmwNT2VJHv2T4bLr0PDVLJ5+BdDN+En0yetpMwTtzritcppVOP4j+VkfykRvOi5 SNamddhOv3TLMsSG961Mw6rErGTiTyrBWPDjnwIgeKGQsDs8F05A/pfLOcB36Ht62zdl1kYyU2F6C S5yPlXhXY9LXw9UlXwYQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1po2Xm-00Ds9x-1b; Sun, 16 Apr 2023 13:35:50 +0000 Received: from mail-ej1-x636.google.com ([2a00:1450:4864:20::636]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1po2Xd-00Ds3q-0p; Sun, 16 Apr 2023 13:35:43 +0000 Received: by mail-ej1-x636.google.com with SMTP id dm2so57577162ejc.8; Sun, 16 Apr 2023 06:35:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681652139; x=1684244139; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ads9PaDpLFMxNXIqpGW0TRi2DREypjUaM/F9ijw7fLg=; b=hCmzpPTm6Llt0v3x9eLmqKG/7YKO62IIb3juGKudvZR4xIDmT5C1wwqnzTDmU8R0AX KcMrT6KZyrSwHjQInL/bEyEgXQefT78/wRKseJDRVImC3fhTrq/UoisJNe3XDwkJZnWE e2pGnAw2QcIXkhvDFAIpT/1Zm+N8Rvzv5d6Rn13/n+B7+n+BfYutoo8G/9z3wSoYMLSG eO5BmLFG9OvwYJ9WnrYEa7boSiavr/9qP3PYQDW6vmSTUeKZ/0QIzDVEW+6O5rHe+wSg /L7orLggpRECNhZ21VIFW8La46bMrMR+o+yFec4Pkj4t87t6bLK6EgEB1oazag3Dkc5H DH5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681652139; x=1684244139; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ads9PaDpLFMxNXIqpGW0TRi2DREypjUaM/F9ijw7fLg=; b=OhHveOerSnkqRETEDkLCib4+VH9DfXpUAQTaUJlkDtz08lz9HxipSyZ1zPtkjK9Wy1 H+0BpufidKGY4aIOxXRQTU9liMklzGnX0OXGSlh9v1VYHZK+x2JksMDXAaxXD7D6Fbfl k1WK+EHpiGeWUhOB+PkgVQl00XjvZIC7ju82hj+b8CLTHqAR4wtd5Ow+ESYdhWy7+iMh XX//AMua8YCuMcluvO1dMqB6jNXc3NFzGqJD0jJMdnI1zmLM2k+t1spI9Lim+Nfo+u3t gsU8QTwt8rWdRqDDv0043sAJ69XWDlkhO7D7Q8p7IAm4lzZE3ncMHdg2QFhojjcsy2rQ +waQ== X-Gm-Message-State: AAQBX9ellLO5hSrUM2sZdtrysREh9cjnVdsTOq0Ta7IP2FlkvzvOHqp1 3s0sNJKaOVvBr9zAIUplKf4= X-Google-Smtp-Source: AKy350YRu6qOt9Bau0nwy9dTE7kzSEMo8AqoB896i81vC6wp6OwNRfIlSgYDy0oCffJMuMEb/kLBWg== X-Received: by 2002:a17:906:4955:b0:8f4:ec13:d599 with SMTP id f21-20020a170906495500b008f4ec13d599mr5125024ejt.27.1681652139279; Sun, 16 Apr 2023 06:35:39 -0700 (PDT) Received: from localhost.my.domain (83.8.121.70.ipv4.supernova.orange.pl. [83.8.121.70]) by smtp.gmail.com with ESMTPSA id gn23-20020a1709070d1700b009373f1b5c4esm5122958ejc.161.2023.04.16.06.35.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Apr 2023 06:35:38 -0700 (PDT) From: Artur Weber To: Krzysztof Kozlowski Cc: Alim Akhtar , Rob Herring , Sylwester Nawrocki , Tomasz Figa , Chanwoo Choi , Michael Turquette , Stephen Boyd , Arnd Bergmann , Olof Johansson , soc@kernel.org, Russell King , Daniel Lezcano , Kukjin Kim , Mauro Carvalho Chehab , Vinod Koul , Kishon Vijay Abraham I , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, linux-media@vger.kernel.org, linux-phy@lists.infradead.org, ~postmarketos/upstreaming@lists.sr.ht, Artur Weber Subject: [PATCH v2 03/12] ARM: exynos: Re-introduce Exynos4212 support Date: Sun, 16 Apr 2023 15:34:13 +0200 Message-Id: <20230416133422.1949-4-aweber.kernel@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230416133422.1949-1-aweber.kernel@gmail.com> References: <20230416133422.1949-1-aweber.kernel@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230416_063541_294017_76CDF0EA X-CRM114-Status: GOOD ( 21.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The platform was originally dropped in commit bca9085e0ae9 ("ARM: dts: exynos: remove Exynos4212 support (dead code)"), as there were no boards using it. We will be adding a device that uses it, so add it back. This effectively reverts commit 9e43eca3c874 ("ARM: EXYNOS: Remove Exynos4212 related dead code"). Signed-off-by: Artur Weber --- arch/arm/mach-exynos/Kconfig | 5 +++++ arch/arm/mach-exynos/common.h | 8 ++++++++ arch/arm/mach-exynos/exynos.c | 2 ++ arch/arm/mach-exynos/firmware.c | 8 +++++++- arch/arm/mach-exynos/pm.c | 2 +- arch/arm/mach-exynos/suspend.c | 4 ++++ 6 files changed, 27 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 4d3b40e4049a..b3d5df5225fe 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -78,6 +78,11 @@ config CPU_EXYNOS4210 default y depends on ARCH_EXYNOS4 +config SOC_EXYNOS4212 + bool "Samsung Exynos4212" + default y + depends on ARCH_EXYNOS4 + config SOC_EXYNOS4412 bool "Samsung Exynos4412" default y diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h index 29eb075b24a4..c9e85d33c309 100644 --- a/arch/arm/mach-exynos/common.h +++ b/arch/arm/mach-exynos/common.h @@ -15,6 +15,7 @@ #define EXYNOS3_SOC_MASK 0xFFFFF000 #define EXYNOS4210_CPU_ID 0x43210000 +#define EXYNOS4212_CPU_ID 0x43220000 #define EXYNOS4412_CPU_ID 0xE4412200 #define EXYNOS4_CPU_MASK 0xFFFE0000 @@ -34,6 +35,7 @@ static inline int is_samsung_##name(void) \ IS_SAMSUNG_CPU(exynos3250, EXYNOS3250_SOC_ID, EXYNOS3_SOC_MASK) IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) +IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) IS_SAMSUNG_CPU(exynos5410, EXYNOS5410_SOC_ID, EXYNOS5_SOC_MASK) @@ -52,6 +54,12 @@ IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK) # define soc_is_exynos4210() 0 #endif +#if defined(CONFIG_SOC_EXYNOS4212) +# define soc_is_exynos4212() is_samsung_exynos4212() +#else +# define soc_is_exynos4212() 0 +#endif + #if defined(CONFIG_SOC_EXYNOS4412) # define soc_is_exynos4412() is_samsung_exynos4412() #else diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 51a247ca4da8..5671621f1661 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -178,6 +178,7 @@ static void __init exynos_dt_machine_init(void) exynos_cpuidle.dev.platform_data = &cpuidle_coupled_exynos_data; #endif if (of_machine_is_compatible("samsung,exynos4210") || + of_machine_is_compatible("samsung,exynos4212") || (of_machine_is_compatible("samsung,exynos4412") && (of_machine_is_compatible("samsung,trats2") || of_machine_is_compatible("samsung,midas") || @@ -192,6 +193,7 @@ static char const *const exynos_dt_compat[] __initconst = { "samsung,exynos3250", "samsung,exynos4", "samsung,exynos4210", + "samsung,exynos4212", "samsung,exynos4412", "samsung,exynos5", "samsung,exynos5250", diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c index 2da5b60b59e2..110c8064ee64 100644 --- a/arch/arm/mach-exynos/firmware.c +++ b/arch/arm/mach-exynos/firmware.c @@ -63,12 +63,18 @@ static int exynos_cpu_boot(int cpu) * * On Exynos5 devices the call is ignored by trustzone firmware. */ - if (!soc_is_exynos4210() && !soc_is_exynos4412()) + if (!soc_is_exynos4210() && !soc_is_exynos4412() && + !soc_is_exynos4212()) return 0; /* * The second parameter of SMC_CMD_CPU1BOOT command means CPU id. + * But, Exynos4212 has only one secondary CPU so second parameter + * isn't used for informing secure firmware about CPU id. */ + if (soc_is_exynos4212()) + cpu = 0; + exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0); return 0; } diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index 30f4e55bf39e..9b6db04e4e34 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -161,7 +161,7 @@ void exynos_enter_aftr(void) exynos_pm_central_suspend(); - if (soc_is_exynos4412()) { + if (soc_is_exynos4412() || soc_is_exynos4212()) { /* Setting SEQ_OPTION register */ pmu_raw_writel(S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFE0, S5P_CENTRAL_SEQ_OPTION); diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index 3bf14ca78b62..df1e10033f90 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -231,6 +231,7 @@ static int __init exynos_pmu_irq_init(struct device_node *node, EXYNOS_PMU_IRQ(exynos3250_pmu_irq, "samsung,exynos3250-pmu"); EXYNOS_PMU_IRQ(exynos4210_pmu_irq, "samsung,exynos4210-pmu"); +EXYNOS_PMU_IRQ(exynos4212_pmu_irq, "samsung,exynos4212-pmu"); EXYNOS_PMU_IRQ(exynos4412_pmu_irq, "samsung,exynos4412-pmu"); EXYNOS_PMU_IRQ(exynos5250_pmu_irq, "samsung,exynos5250-pmu"); EXYNOS_PMU_IRQ(exynos5420_pmu_irq, "samsung,exynos5420-pmu"); @@ -640,6 +641,9 @@ static const struct of_device_id exynos_pmu_of_device_ids[] __initconst = { }, { .compatible = "samsung,exynos4210-pmu", .data = &exynos4_pm_data, + }, { + .compatible = "samsung,exynos4212-pmu", + .data = &exynos4_pm_data, }, { .compatible = "samsung,exynos4412-pmu", .data = &exynos4_pm_data,