From patchwork Sun Apr 16 10:16:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Artur Weber X-Patchwork-Id: 673692 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9653DC77B78 for ; Sun, 16 Apr 2023 10:18:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230193AbjDPKS2 (ORCPT ); Sun, 16 Apr 2023 06:18:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230044AbjDPKSQ (ORCPT ); Sun, 16 Apr 2023 06:18:16 -0400 Received: from mail-ed1-x52d.google.com (mail-ed1-x52d.google.com [IPv6:2a00:1450:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A50CE1701; Sun, 16 Apr 2023 03:18:14 -0700 (PDT) Received: by mail-ed1-x52d.google.com with SMTP id 4fb4d7f45d1cf-50672fbf83eso11451447a12.0; Sun, 16 Apr 2023 03:18:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681640293; x=1684232293; 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=PVSD6X4XACgcRKAf8PtWBmABjFkfC4mUlBujx6ae+i4NS4k1w4oWacAp1jIf27Bre2 Gjo8y9jV2tGOaiJeeUWxEmEBebaD8VXzm56HdT5yVWS1iz7h0FiFrT0sdghU+89Bra6V KiKeRNK9zZIDXexQx2JBoqE4SBVkBD/zYql8HYyAVFiwMKjICoe+jP8w6LimTTmlHWcb wQ/RWDl3h/SxqI1CAYQ3BrE1zTHblOTu+XQKFuwYV06bcusq6ifMfqvCTUxc/P4mQk7x 05hcEkGWKnMyCOF2SxF7CNlFBK64USF7m4LNnlXmNDvzj4Pv8ufoA7xEuB/Ue43P74m/ +wnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681640293; x=1684232293; 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=hfpukMxWSIL69+UWKH+ogOFA2udcqQnS4AQoDoSR1jVpCSJArm8hg1uriEbEpJwDJF PT79raJqkFNU2b87c9gUNJVWCAQVAqcAlJoSiJ91C/3Upiy4GPCR/22S7Yn9fSwJNdfp IpK4SpHs00INV6pYUMZc19faSMKJDbq0kXgtxmzKR5S6offNNuScgQhM7S6qRUIDDL3L QnOg1Jqs9x3jzjbHVj8R65PxP5Dz8I/cLnoPDrHscdG9HcX96cgRX8GqSpPkl4kmcaY8 HoHcmOA24IUtuASbph/8YSVLzMXfFbXpV3Rz989qnLm5nziXRorVP0PKPW2451q10IA5 ThzA== X-Gm-Message-State: AAQBX9fg99+tcCONNXMMY325iov3bjZpoIHSU50WVIlxN0my3zQxcO83 jPD4+fB2+gBEIoa3dEPf/ys= X-Google-Smtp-Source: AKy350YTw5h7WWj5ZYegMqXXfUQIjPZSnXJ/V0sFO89xIYvDMFH2RsWDzMXSZqiPveEHfUFG5/FEyQ== X-Received: by 2002:a05:6402:1804:b0:505:43e9:6ff7 with SMTP id g4-20020a056402180400b0050543e96ff7mr10269419edy.7.1681640293008; Sun, 16 Apr 2023 03:18:13 -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 r20-20020a056402019400b0050476da5160sm4427443edv.45.2023.04.16.03.18.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Apr 2023 03:18:12 -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 03/12] ARM: exynos: Re-introduce Exynos4212 support Date: Sun, 16 Apr 2023 12:16:15 +0200 Message-Id: <20230416101624.15866-4-aweber.kernel@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230416101624.15866-1-aweber.kernel@gmail.com> References: <20230416101624.15866-1-aweber.kernel@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.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,