Message ID | 20230814215457.4075025-6-bhupesh.sharma@linaro.org |
---|---|
State | Changes Requested |
Delegated to: | Tom Rini |
Headers | show
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Mon, 14 Aug 2023 14:55:30 -0700 (PDT) Received: from localhost.localdomain ([2401:4900:1f3b:3924:6581:8508:2ecb:b5dd]) by smtp.gmail.com with ESMTPSA id n4-20020a170903110400b001bba373919bsm9872075plh.261.2023.08.14.14.55.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Aug 2023 14:55:29 -0700 (PDT) From: Bhupesh Sharma <bhupesh.sharma@linaro.org> To: u-boot@lists.denx.de Cc: sjg@chromium.org, trini@konsulko.com, bhupesh.sharma@linaro.org, bhupesh.linux@gmail.com, marek.vasut+renesas@mailbox.org, sumit.garg@linaro.org, rfried.dev@gmail.com, patrice.chotard@foss.st.com, jbx6244@gmail.com, kever.yang@rock-chips.com, eugen.hristev@collabora.com Subject: [PATCH 05/17] ufs/ufs.h: Add definition of 'ufshcd_rmwl()' Date: Tue, 15 Aug 2023 03:24:45 +0530 Message-Id: <20230814215457.4075025-6-bhupesh.sharma@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230814215457.4075025-1-bhupesh.sharma@linaro.org> References: <20230814215457.4075025-1-bhupesh.sharma@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion <u-boot.lists.denx.de> List-Unsubscribe: <https://lists.denx.de/options/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=unsubscribe> List-Archive: <https://lists.denx.de/pipermail/u-boot/> List-Post: <mailto:u-boot@lists.denx.de> List-Help: <mailto:u-boot-request@lists.denx.de?subject=help> List-Subscribe: <https://lists.denx.de/listinfo/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=subscribe> Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de> X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean |
Series |
Enable UFS on DragonBoard845c
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expand
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diff --git a/drivers/ufs/ufs.h b/drivers/ufs/ufs.h index 8a38832b05..c9320a905e 100644 --- a/drivers/ufs/ufs.h +++ b/drivers/ufs/ufs.h @@ -2,6 +2,7 @@ #ifndef __UFS_H #define __UFS_H +#include <asm/io.h> #include "unipro.h" struct udevice; @@ -906,6 +907,23 @@ enum { #define ufshcd_readl(hba, reg) \ readl((hba)->mmio_base + (reg)) +/** + * ufshcd_rmwl - perform read/modify/write for a controller register + * @hba: per adapter instance + * @mask: mask to apply on read value + * @val: actual value to write + * @reg: register address + */ +static inline void ufshcd_rmwl(struct ufs_hba *hba, u32 mask, u32 val, u32 reg) +{ + u32 tmp; + + tmp = ufshcd_readl(hba, reg); + tmp &= ~mask; + tmp |= (val & mask); + ufshcd_writel(hba, tmp, reg); +} + /* UTRLRSR - UTP Transfer Request Run-Stop Register 60h */ #define UTP_TRANSFER_REQ_LIST_RUN_STOP_BIT 0x1
Add definition of 'ufshcd_rmwl()' helper function which would be later used by Qualcomm UFS driver to read-modify-write registers. Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org> --- drivers/ufs/ufs.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)