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Mon, 22 Jul 2024 10:58:04 -0700 (PDT) Received: from localhost ([136.62.192.75]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-2610cb2c2f1sm1771818fac.57.2024.07.22.10.58.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jul 2024 10:58:03 -0700 (PDT) From: Sam Protsenko To: Minkyu Kang , Minkyu Kang Cc: Tom Rini , Peng Fan , Jaehoon Chung , Simon Glass , Quentin Schulz , Philipp Tomsich , Kever Yang , Eugeniy Paltsev , Peter Robinson , Jonas Karlman , Yang Xiwen , Ferass El Hafidi , Sean Anderson , u-boot@lists.denx.de, uboot-snps-arc@synopsys.com Subject: [PATCH v3 31/38] mmc: exynos_dw_mmc: Add support for ARM64 Exynos chips Date: Mon, 22 Jul 2024 12:57:33 -0500 Message-Id: <20240722175740.6985-32-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240722175740.6985-1-semen.protsenko@linaro.org> References: <20240722175740.6985-1-semen.protsenko@linaro.org> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Add the compatible entry and corresponding chip data for Exynos7 compatible chips, which covers modern ARM64 based Exynos chips. They have some differences w.r.t. old ARM32 Exynos chips: - CLKSEL register offset is different - 64-bit IDMAC descriptor and 64-bit IDMAC registers are used (implemented in dw_mmc core driver) In terms of the driver implementation, the CIU clock is obtained via CCF framework (as opposed to ad-hoc clock driver implementation for ARM32 chips). Signed-off-by: Sam Protsenko --- Changes in v3: - (none) Changes in v2: - (none) arch/arm/mach-exynos/include/mach/dwmmc.h | 1 + drivers/mmc/exynos_dw_mmc.c | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/arch/arm/mach-exynos/include/mach/dwmmc.h b/arch/arm/mach-exynos/include/mach/dwmmc.h index 811e9a04c6e3..7cb71be0d9fd 100644 --- a/arch/arm/mach-exynos/include/mach/dwmmc.h +++ b/arch/arm/mach-exynos/include/mach/dwmmc.h @@ -8,6 +8,7 @@ #define __ASM_ARM_ARCH_DWMMC_H #define DWMCI_CLKSEL 0x09C +#define DWMCI_CLKSEL64 0x0a8 #define DWMCI_SET_SAMPLE_CLK(x) (x) #define DWMCI_SET_DRV_CLK(x) ((x) << 16) #define DWMCI_SET_DIV_RATIO(x) ((x) << 24) diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c index ee3ae9f5e650..29241edf7915 100644 --- a/drivers/mmc/exynos_dw_mmc.c +++ b/drivers/mmc/exynos_dw_mmc.c @@ -385,6 +385,11 @@ static const struct exynos_dwmmc_variant exynos5_drv_data = { #endif }; +static const struct exynos_dwmmc_variant exynos7_smu_drv_data = { + .clksel = DWMCI_CLKSEL64, + .quirks = DWMCI_QUIRK_DISABLE_SMU, +}; + static const struct udevice_id exynos_dwmmc_ids[] = { { .compatible = "samsung,exynos4412-dw-mshc", @@ -392,6 +397,9 @@ static const struct udevice_id exynos_dwmmc_ids[] = { }, { .compatible = "samsung,exynos-dwmmc", .data = (ulong)&exynos5_drv_data, + }, { + .compatible = "samsung,exynos7-dw-mshc-smu", + .data = (ulong)&exynos7_smu_drv_data, }, { } };