From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-x22c.google.com (mail-pa0-x22c.google.com [IPv6:2607:f8b0:400e:c03::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id B82A91A1F01 for ; Wed, 21 Sep 2016 08:02:57 -0700 (PDT) Received: by mail-pa0-x22c.google.com with SMTP id wk8so19265702pab.1 for ; Wed, 21 Sep 2016 08:02:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=P+jwwW4gAnS4um2+O02BTe7mEnmB3SMb5Il2beszSj0=; b=BIJ1jHkS27/ZwHuSL0CrLSpkkEPK6QRyyRPmEGkK/xyEuTNcF7S6jDSzyDFlHXZgK4 71dVXWLQWgo8AijhFAnaqKU7dMvMB+/TcvVQObZd98Mk31VvdxPFTbRyagT3Daz7D6Fl Ix3Jwu51Dt34FQ1O7wLfP0Tu5zL9Zazr17XdE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=P+jwwW4gAnS4um2+O02BTe7mEnmB3SMb5Il2beszSj0=; b=lpT8QjqoAZtSE5j7VH4SfqtoVzF+CSgMUYX99WNcCGB/OVAf0b54NKMBKNvvlUmXU5 6R921Lw/Ft2VRAc0UqDuFJMHggBj4+RmpsIa3SR5D3sHaC+VEIcHYZXcdtXT0lsGodYO WCY07KFNDKZfnafxrFsXQ76s3NVEiEvcmdaJ/7F1u+ML3t36rtYUL/V+uFdSwBfrY4A5 qKXwKcHcxRWoAqfYhTl0XwOYQozEafXU8zqu0TUO+xlT4143zxM8oIIHuELK5Wl5hLhN YcpdRUhjXsOh+89xk50Ft/vl2+3mk/mbKr5lF0MEhh8cJgPD+UKeuRbqj9jLHoDGObc/ jouA== X-Gm-Message-State: AE9vXwMeRjvMEnZOjNYhSCvd3G35Ci8FzGw/ZtrR8JE6HDlD+4l3t+NVYwbn88n3dpPhK5dK X-Received: by 10.66.224.101 with SMTP id rb5mr65961413pac.45.1474470177327; Wed, 21 Sep 2016 08:02:57 -0700 (PDT) Received: from localhost.localdomain ([104.237.91.137]) by smtp.gmail.com with ESMTPSA id 85sm28914221pfw.92.2016.09.21.08.02.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 21 Sep 2016 08:02:56 -0700 (PDT) From: Haojian Zhuang To: ryan.harkin@linaro.org, edk2-devel@lists.01.org, leif.lindholm@linaro.org, ard.biesheuvel@linaro.org Cc: Haojian Zhuang Date: Wed, 21 Sep 2016 23:02:25 +0800 Message-Id: <1474470147-23156-9-git-send-email-haojian.zhuang@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1474470147-23156-1-git-send-email-haojian.zhuang@linaro.org> References: <1474470147-23156-1-git-send-email-haojian.zhuang@linaro.org> Subject: [PATCH v3 08/10] MmcDxe: set iospeed and bus width in SD stack X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Sep 2016 15:02:57 -0000 Add more SD commands to support 4-bit bus width & iospeed. It's not formal code. And it needs to be updated later. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Haojian Zhuang --- EmbeddedPkg/Include/Protocol/MmcHost.h | 3 + EmbeddedPkg/Universal/MmcDxe/Mmc.h | 17 +++ EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c | 138 ++++++++++++++++++++--- 3 files changed, 142 insertions(+), 16 deletions(-) diff --git a/EmbeddedPkg/Include/Protocol/MmcHost.h b/EmbeddedPkg/Include/Protocol/MmcHost.h index 5e3a2b7..e9a74f0 100644 --- a/EmbeddedPkg/Include/Protocol/MmcHost.h +++ b/EmbeddedPkg/Include/Protocol/MmcHost.h @@ -64,11 +64,14 @@ typedef UINT32 MMC_CMD; #define MMC_CMD24 (MMC_INDX(24) | MMC_CMD_WAIT_RESPONSE) #define MMC_CMD55 (MMC_INDX(55) | MMC_CMD_WAIT_RESPONSE) #define MMC_ACMD41 (MMC_INDX(41) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE) +#define MMC_ACMD51 (MMC_INDX(51) | MMC_CMD_WAIT_RESPONSE) // Valid responses for CMD1 in eMMC #define EMMC_CMD1_CAPACITY_LESS_THAN_2GB 0x00FF8080 // Capacity <= 2GB, byte addressing used #define EMMC_CMD1_CAPACITY_GREATER_THAN_2GB 0x40FF8080 // Capacity > 2GB, 512-byte sector addressing used +#define MMC_STATUS_APP_CMD (1 << 5) + typedef enum _MMC_STATE { MmcInvalidState = 0, MmcHwInitializationState, diff --git a/EmbeddedPkg/Universal/MmcDxe/Mmc.h b/EmbeddedPkg/Universal/MmcDxe/Mmc.h index 0ccbc80..a62ba32 100644 --- a/EmbeddedPkg/Universal/MmcDxe/Mmc.h +++ b/EmbeddedPkg/Universal/MmcDxe/Mmc.h @@ -75,6 +75,23 @@ typedef struct { UINT32 PowerUp: 1; // This bit is set to LOW if the card has not finished the power up routine } OCR; +/* For little endian CPU */ +typedef struct { + UINT8 SD_SPEC: 4; // SD Memory Card - Spec. Version [59:56] + UINT8 SCR_STRUCTURE: 4; // SCR Structure [63:60] + UINT8 SD_BUS_WIDTHS: 4; // DAT Bus widths supported [51:48] + UINT8 DATA_STAT_AFTER_ERASE: 1; // Data Status after erases [55] + UINT8 SD_SECURITY: 3; // CPRM Security Support [54:52] + UINT8 EX_SECURITY_1: 1; // Extended Security Support [43] + UINT8 SD_SPEC4: 1; // Spec. Version 4.00 or higher [42] + UINT8 RESERVED_1: 2; // Reserved [41:40] + UINT8 SD_SPEC3: 1; // Spec. Version 3.00 or higher [47] + UINT8 EX_SECURITY_2: 3; // Extended Security Support [46:44] + UINT8 CMD_SUPPORT: 4; // Command Support bits [35:32] + UINT8 RESERVED_2: 4; // Reserved [39:36] + UINT32 RESERVED_3; // Manufacturer Usage [31:0] +} SCR; + typedef struct { UINT32 NOT_USED; // 1 [0:0] UINT32 CRC; // CRC7 checksum [7:1] diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c b/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c index f806bfc..125d3f9 100644 --- a/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c +++ b/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c @@ -12,6 +12,9 @@ * **/ +#include +#include + #include "Mmc.h" typedef union { @@ -41,6 +44,11 @@ typedef union { #define EMMC_SWITCH_ERROR (1 << 7) +#define SD_BUS_WIDTH_1BIT (1 << 0) +#define SD_BUS_WIDTH_4BIT (1 << 2) + +#define SD_CCC_SWITCH (1 << 10) + #define DEVICE_STATE(x) (((x) >> 9) & 0xf) typedef enum _EMMC_DEVICE_STATE { EMMC_IDLE_STATE = 0, @@ -69,28 +77,30 @@ EmmcGetDeviceState ( { EFI_MMC_HOST_PROTOCOL *Host; EFI_STATUS Status; - UINT32 Data, RCA; + UINT32 Rsp[4], RCA; if (State == NULL) return EFI_INVALID_PARAMETER; Host = MmcHostInstance->MmcHost; RCA = MmcHostInstance->CardInfo.RCA << RCA_SHIFT_OFFSET; - Status = Host->SendCommand (Host, MMC_CMD13, RCA); - if (EFI_ERROR (Status)) { - DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to get card status, Status=%r.\n", Status)); - return Status; - } - Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R1, &Data); - if (EFI_ERROR (Status)) { - DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to get response of CMD13, Status=%r.\n", Status)); - return Status; - } - if (Data & EMMC_SWITCH_ERROR) { - DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to switch expected mode, Status=%r.\n", Status)); - return EFI_DEVICE_ERROR; - } - *State = DEVICE_STATE(Data); + do { + Status = Host->SendCommand (Host, MMC_CMD13, RCA); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to get card status, Status=%r.\n", Status)); + return Status; + } + Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R1, Rsp); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to get response of CMD13, Status=%r.\n", Status)); + return Status; + } + if (Rsp[0] & EMMC_SWITCH_ERROR) { + DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to switch expected mode, Status=%r.\n", Status)); + return EFI_DEVICE_ERROR; + } + } while (!(Rsp[0] & MMC_R0_READY_FOR_DATA)); + *State = MMC_R0_CURRENTSTATE(Rsp); return EFI_SUCCESS; } @@ -305,9 +315,12 @@ InitializeSdMmcDevice ( { UINT32 CmdArg; UINT32 Response[4]; + UINT32 Buffer[128]; UINTN BlockSize; UINTN CardSize; UINTN NumBlocks; + BOOLEAN CccSwitch; + SCR Scr; EFI_STATUS Status; EFI_MMC_HOST_PROTOCOL *MmcHost; @@ -328,6 +341,10 @@ InitializeSdMmcDevice ( return Status; } PrintCSD (Response); + if (MMC_CSD_GET_CCC(Response) & SD_CCC_SWITCH) + CccSwitch = TRUE; + else + CccSwitch = FALSE; if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) { CardSize = HC_MMC_CSD_GET_DEVICESIZE (Response); @@ -358,6 +375,95 @@ InitializeSdMmcDevice ( return Status; } + Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, CmdArg); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a(MMC_CMD55): Error and Status = %r\n", Status)); + return Status; + } + Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a(MMC_CMD55): Error and Status = %r\n", Status)); + return Status; + } + if ((Response[0] & MMC_STATUS_APP_CMD) == 0) + return EFI_SUCCESS; + + /* SCR */ + Status = MmcHost->SendCommand (MmcHost, MMC_ACMD51, 0); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a(MMC_ACMD51): Error and Status = %r\n", __func__, Status)); + return Status; + } else { + Status = MmcHost->ReadBlockData (MmcHost, 0, 8, Buffer); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a(MMC_ACMD51): ReadBlockData Error and Status = %r\n", __func__, Status)); + return Status; + } + CopyMem (&Scr, Buffer, 8); + if (Scr.SD_SPEC == 2) { + if (Scr.SD_SPEC3 == 1) { + if (Scr.SD_SPEC4 == 1) { + DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 4.xx\n")); + } else { + DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 3.0x\n")); + } + } else { + if (Scr.SD_SPEC4 == 0) { + DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 2.0\n")); + } else { + DEBUG ((EFI_D_ERROR, "Found invalid SD Card\n")); + } + } + } else { + if ((Scr.SD_SPEC3 == 0) && (Scr.SD_SPEC4 == 0)) { + if (Scr.SD_SPEC == 1) { + DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 1.10\n")); + } else { + DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 1.0\n")); + } + } else { + DEBUG ((EFI_D_ERROR, "Found invalid SD Card\n")); + } + } + } + if (CccSwitch) { + /* SD Switch, Mode:1, Group:0, Value:1 */ + CmdArg = 1 << 31 | 0x00FFFFFF; + CmdArg &= ~(0xF << (0 * 4)); + CmdArg |= 1 << (0 * 4); + Status = MmcHost->SendCommand (MmcHost, MMC_CMD6, CmdArg); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a(MMC_CMD6): Error and Status = %r\n", Status)); + return Status; + } else { + Status = MmcHost->ReadBlockData (MmcHost, 0, 64, Buffer); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a(MMC_CMD6): ReadBlockData Error and Status = %r\n", Status)); + return Status; + } + } + } + if (Scr.SD_BUS_WIDTHS & SD_BUS_WIDTH_4BIT) { + CmdArg = MmcHostInstance->CardInfo.RCA << 16; + Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, CmdArg); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a(MMC_CMD55): Error and Status = %r\n", Status)); + return Status; + } + /* Width: 4 */ + Status = MmcHost->SendCommand (MmcHost, MMC_CMD6, 2); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a(MMC_CMD6): Error and Status = %r\n", Status)); + return Status; + } + } + if (MmcHost->SetIos) { + Status = MmcHost->SetIos (MmcHost, 24 * 1000 * 1000, 4, EMMCBACKWARD); + if (EFI_ERROR (Status)) { + DEBUG ((EFI_D_ERROR, "%a(SetIos): Error and Status = %r\n", Status)); + return Status; + } + } return EFI_SUCCESS; } -- 2.7.4