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Tue, 16 Jun 2020 23:15:14 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 17 Jun 2020 00:05:23 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 17 Jun 2020 15:05:22 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 17 Jun 2020 15:05:22 +0800 From: Weiyi Lu To: Enric Balletbo Serra , Matthias Brugger , Nicolas Boichat , "Rob Herring" , Sascha Hauer Subject: [PATCH v16 04/11] soc: mediatek: Remove infracfg misc driver support Date: Wed, 17 Jun 2020 15:05:10 +0800 Message-ID: <1592377517-14817-5-git-send-email-weiyi.lu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1592377517-14817-1-git-send-email-weiyi.lu@mediatek.com> References: <1592377517-14817-1-git-send-email-weiyi.lu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200617_001530_535202_4A2C9983 X-CRM114-Status: GOOD ( 17.82 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: James Liao , Weiyi Lu , srv_heupstream@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Fan Chen , linux-mediatek@lists.infradead.org, Wendell Lin , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The functions provided by infracfg misc driver have no other user except the scpsys driver so move those into scpsys driver directly. And then, remove infracfg misc driver which is no longer being used. BTW, in next patch, we're going to extend the bus protection functions with more customized arguments. Signed-off-by: Weiyi Lu Reviewed-by: Enric Balletbo i Serra --- drivers/soc/mediatek/Kconfig | 10 ----- drivers/soc/mediatek/Makefile | 1 - drivers/soc/mediatek/mtk-infracfg.c | 79 ----------------------------------- drivers/soc/mediatek/mtk-scpsys.c | 66 +++++++++++++++++++++++++---- include/linux/soc/mediatek/infracfg.h | 39 ----------------- 5 files changed, 57 insertions(+), 138 deletions(-) delete mode 100644 drivers/soc/mediatek/mtk-infracfg.c delete mode 100644 include/linux/soc/mediatek/infracfg.h diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig index 59a56cd..3f5e5cb 100644 --- a/drivers/soc/mediatek/Kconfig +++ b/drivers/soc/mediatek/Kconfig @@ -10,21 +10,12 @@ config MTK_CMDQ depends on ARCH_MEDIATEK || COMPILE_TEST select MAILBOX select MTK_CMDQ_MBOX - select MTK_INFRACFG help Say yes here to add support for the MediaTek Command Queue (CMDQ) driver. The CMDQ is used to help read/write registers with critical time limitation, such as updating display configuration during the vblank. -config MTK_INFRACFG - bool "MediaTek INFRACFG Support" - select REGMAP - help - Say yes here to add support for the MediaTek INFRACFG controller. The - INFRACFG controller contains various infrastructure registers not - directly associated to any device. - config MTK_PMIC_WRAP tristate "MediaTek PMIC Wrapper Support" depends on RESET_CONTROLLER @@ -38,7 +29,6 @@ config MTK_SCPSYS bool "MediaTek SCPSYS Support" default ARCH_MEDIATEK select REGMAP - select MTK_INFRACFG select PM_GENERIC_DOMAINS if PM help Say yes here to add support for the MediaTek SCPSYS power domain diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile index 01f9f87..2afa7b9 100644 --- a/drivers/soc/mediatek/Makefile +++ b/drivers/soc/mediatek/Makefile @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_MTK_CMDQ) += mtk-cmdq-helper.o -obj-$(CONFIG_MTK_INFRACFG) += mtk-infracfg.o obj-$(CONFIG_MTK_PMIC_WRAP) += mtk-pmic-wrap.o obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o diff --git a/drivers/soc/mediatek/mtk-infracfg.c b/drivers/soc/mediatek/mtk-infracfg.c deleted file mode 100644 index 341c7ac..0000000 --- a/drivers/soc/mediatek/mtk-infracfg.c +++ /dev/null @@ -1,79 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (c) 2015 Pengutronix, Sascha Hauer - */ - -#include -#include -#include -#include -#include - -#define MTK_POLL_DELAY_US 10 -#define MTK_POLL_TIMEOUT (jiffies_to_usecs(HZ)) - -#define INFRA_TOPAXI_PROTECTEN 0x0220 -#define INFRA_TOPAXI_PROTECTSTA1 0x0228 -#define INFRA_TOPAXI_PROTECTEN_SET 0x0260 -#define INFRA_TOPAXI_PROTECTEN_CLR 0x0264 - -/** - * mtk_infracfg_set_bus_protection - enable bus protection - * @regmap: The infracfg regmap - * @mask: The mask containing the protection bits to be enabled. - * @reg_update: The boolean flag determines to set the protection bits - * by regmap_update_bits with enable register(PROTECTEN) or - * by regmap_write with set register(PROTECTEN_SET). - * - * This function enables the bus protection bits for disabled power - * domains so that the system does not hang when some unit accesses the - * bus while in power down. - */ -int mtk_infracfg_set_bus_protection(struct regmap *infracfg, u32 mask, - bool reg_update) -{ - u32 val; - int ret; - - if (reg_update) - regmap_update_bits(infracfg, INFRA_TOPAXI_PROTECTEN, mask, - mask); - else - regmap_write(infracfg, INFRA_TOPAXI_PROTECTEN_SET, mask); - - ret = regmap_read_poll_timeout(infracfg, INFRA_TOPAXI_PROTECTSTA1, - val, (val & mask) == mask, - MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT); - - return ret; -} - -/** - * mtk_infracfg_clear_bus_protection - disable bus protection - * @regmap: The infracfg regmap - * @mask: The mask containing the protection bits to be disabled. - * @reg_update: The boolean flag determines to clear the protection bits - * by regmap_update_bits with enable register(PROTECTEN) or - * by regmap_write with clear register(PROTECTEN_CLR). - * - * This function disables the bus protection bits previously enabled with - * mtk_infracfg_set_bus_protection. - */ - -int mtk_infracfg_clear_bus_protection(struct regmap *infracfg, u32 mask, - bool reg_update) -{ - int ret; - u32 val; - - if (reg_update) - regmap_update_bits(infracfg, INFRA_TOPAXI_PROTECTEN, mask, 0); - else - regmap_write(infracfg, INFRA_TOPAXI_PROTECTEN_CLR, mask); - - ret = regmap_read_poll_timeout(infracfg, INFRA_TOPAXI_PROTECTSTA1, - val, !(val & mask), - MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT); - - return ret; -} diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index c9c3cf7..b603af7 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -10,8 +10,8 @@ #include #include #include +#include #include -#include #include #include @@ -78,6 +78,29 @@ #define PWR_STATUS_HIF1 BIT(26) /* MT7622 */ #define PWR_STATUS_WB BIT(27) /* MT7622 */ +#define INFRA_TOPAXI_PROTECTEN 0x0220 +#define INFRA_TOPAXI_PROTECTSTA1 0x0228 +#define INFRA_TOPAXI_PROTECTEN_SET 0x0260 +#define INFRA_TOPAXI_PROTECTEN_CLR 0x0264 + +#define MT2701_TOP_AXI_PROT_EN_MM_M0 BIT(1) +#define MT2701_TOP_AXI_PROT_EN_CONN_M BIT(2) +#define MT2701_TOP_AXI_PROT_EN_CONN_S BIT(8) + +#define MT7622_TOP_AXI_PROT_EN_ETHSYS (BIT(3) | BIT(17)) +#define MT7622_TOP_AXI_PROT_EN_HIF0 (BIT(24) | BIT(25)) +#define MT7622_TOP_AXI_PROT_EN_HIF1 (BIT(26) | BIT(27) | \ + BIT(28)) +#define MT7622_TOP_AXI_PROT_EN_WB (BIT(2) | BIT(6) | \ + BIT(7) | BIT(8)) + +#define MT8173_TOP_AXI_PROT_EN_MM_M0 BIT(1) +#define MT8173_TOP_AXI_PROT_EN_MM_M1 BIT(2) +#define MT8173_TOP_AXI_PROT_EN_MFG_S BIT(14) +#define MT8173_TOP_AXI_PROT_EN_MFG_M0 BIT(21) +#define MT8173_TOP_AXI_PROT_EN_MFG_M1 BIT(22) +#define MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT BIT(23) + #define MAX_CLKS 3 /** @@ -251,25 +274,50 @@ static int scpsys_sram_disable(struct scp_domain *scpd, void __iomem *ctl_addr) static int scpsys_bus_protect_enable(struct scp_domain *scpd) { struct scp *scp = scpd->scp; + struct regmap *infracfg = scp->infracfg; + u32 mask = scpd->data->bus_prot_mask; + bool reg_update = scp->bus_prot_reg_update; + u32 val; + int ret; - if (!scpd->data->bus_prot_mask) + if (!mask) return 0; - return mtk_infracfg_set_bus_protection(scp->infracfg, - scpd->data->bus_prot_mask, - scp->bus_prot_reg_update); + if (reg_update) + regmap_update_bits(infracfg, INFRA_TOPAXI_PROTECTEN, mask, + mask); + else + regmap_write(infracfg, INFRA_TOPAXI_PROTECTEN_SET, mask); + + ret = regmap_read_poll_timeout(infracfg, INFRA_TOPAXI_PROTECTSTA1, + val, (val & mask) == mask, + MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT); + + return ret; } static int scpsys_bus_protect_disable(struct scp_domain *scpd) { struct scp *scp = scpd->scp; + struct regmap *infracfg = scp->infracfg; + u32 mask = scpd->data->bus_prot_mask; + bool reg_update = scp->bus_prot_reg_update; + u32 val; + int ret; - if (!scpd->data->bus_prot_mask) + if (!mask) return 0; - return mtk_infracfg_clear_bus_protection(scp->infracfg, - scpd->data->bus_prot_mask, - scp->bus_prot_reg_update); + if (reg_update) + regmap_update_bits(infracfg, INFRA_TOPAXI_PROTECTEN, mask, 0); + else + regmap_write(infracfg, INFRA_TOPAXI_PROTECTEN_CLR, mask); + + ret = regmap_read_poll_timeout(infracfg, INFRA_TOPAXI_PROTECTSTA1, + val, !(val & mask), + MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT); + + return ret; } static int scpsys_power_on(struct generic_pm_domain *genpd) diff --git a/include/linux/soc/mediatek/infracfg.h b/include/linux/soc/mediatek/infracfg.h deleted file mode 100644 index fd25f01..0000000 --- a/include/linux/soc/mediatek/infracfg.h +++ /dev/null @@ -1,39 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __SOC_MEDIATEK_INFRACFG_H -#define __SOC_MEDIATEK_INFRACFG_H - -#define MT8173_TOP_AXI_PROT_EN_MCI_M2 BIT(0) -#define MT8173_TOP_AXI_PROT_EN_MM_M0 BIT(1) -#define MT8173_TOP_AXI_PROT_EN_MM_M1 BIT(2) -#define MT8173_TOP_AXI_PROT_EN_MMAPB_S BIT(6) -#define MT8173_TOP_AXI_PROT_EN_L2C_M2 BIT(9) -#define MT8173_TOP_AXI_PROT_EN_L2SS_SMI BIT(11) -#define MT8173_TOP_AXI_PROT_EN_L2SS_ADD BIT(12) -#define MT8173_TOP_AXI_PROT_EN_CCI_M2 BIT(13) -#define MT8173_TOP_AXI_PROT_EN_MFG_S BIT(14) -#define MT8173_TOP_AXI_PROT_EN_PERI_M0 BIT(15) -#define MT8173_TOP_AXI_PROT_EN_PERI_M1 BIT(16) -#define MT8173_TOP_AXI_PROT_EN_DEBUGSYS BIT(17) -#define MT8173_TOP_AXI_PROT_EN_CQ_DMA BIT(18) -#define MT8173_TOP_AXI_PROT_EN_GCPU BIT(19) -#define MT8173_TOP_AXI_PROT_EN_IOMMU BIT(20) -#define MT8173_TOP_AXI_PROT_EN_MFG_M0 BIT(21) -#define MT8173_TOP_AXI_PROT_EN_MFG_M1 BIT(22) -#define MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT BIT(23) - -#define MT2701_TOP_AXI_PROT_EN_MM_M0 BIT(1) -#define MT2701_TOP_AXI_PROT_EN_CONN_M BIT(2) -#define MT2701_TOP_AXI_PROT_EN_CONN_S BIT(8) - -#define MT7622_TOP_AXI_PROT_EN_ETHSYS (BIT(3) | BIT(17)) -#define MT7622_TOP_AXI_PROT_EN_HIF0 (BIT(24) | BIT(25)) -#define MT7622_TOP_AXI_PROT_EN_HIF1 (BIT(26) | BIT(27) | \ - BIT(28)) -#define MT7622_TOP_AXI_PROT_EN_WB (BIT(2) | BIT(6) | \ - BIT(7) | BIT(8)) - -int mtk_infracfg_set_bus_protection(struct regmap *infracfg, u32 mask, - bool reg_update); -int mtk_infracfg_clear_bus_protection(struct regmap *infracfg, u32 mask, - bool reg_update); -#endif /* __SOC_MEDIATEK_INFRACFG_H */