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[176.184.43.20]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-367cde890f6sm2850969f8f.53.2024.07.09.08.27.00 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 09 Jul 2024 08:27:02 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell , Andrew Jeffery , qemu-block@nongnu.org, =?utf-8?q?C=C3=A9dric_Le_Goater?= , Bin Meng , Joel Stanley , =?utf-8?q?Phi?= =?utf-8?q?lippe_Mathieu-Daud=C3=A9?= , Jamin Lin , Steven Lee , Troy Lee , Vincent Palatin , Sai Pavan Boddu , "Edgar E . Iglesias" , =?utf-8?q?C=C3=A9dric_Le_?= =?utf-8?q?Goater?= Subject: [PATCH v47 10/19] hw/sd/sdcard: Add emmc_cmd_SEND_EXT_CSD handler (CMD8) Date: Tue, 9 Jul 2024 17:25:47 +0200 Message-ID: <20240709152556.52896-11-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240709152556.52896-1-philmd@linaro.org> References: <20240709152556.52896-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::436; envelope-from=philmd@linaro.org; helo=mail-wr1-x436.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Vincent Palatin The parameters mimick a real 4GB eMMC, but it can be set to various sizes. Initially from Vincent Palatin eMMC CSD is similar to SD with an option to refer EXT_CSD for larger devices. Signed-off-by: Vincent Palatin Signed-off-by: Cédric Le Goater Signed-off-by: Sai Pavan Boddu Signed-off-by: Edgar E. Iglesias Signed-off-by: Cédric Le Goater [PMD: Remove deprecated EXT_CSD_SEC_ERASE_MULT/EXT_CSD_SEC_TRIM_MULT] Signed-off-by: Philippe Mathieu-Daudé --- hw/sd/sd.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index adba53e822..c809961418 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -124,6 +124,7 @@ struct SDState { uint16_t rca; uint32_t card_status; uint8_t sd_status[64]; + uint8_t ext_csd[512]; /* Static properties */ @@ -476,6 +477,50 @@ static const uint8_t sd_csd_rw_mask[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xfe, }; +static void mmc_set_ext_csd(SDState *sd, uint64_t size) +{ + uint32_t sectcount = size >> HWBLOCK_SHIFT; + + memset(sd->ext_csd, 0, sizeof(sd->ext_csd)); + + sd->ext_csd[EXT_CSD_S_CMD_SET] = 0b1; /* supported command sets */ + sd->ext_csd[EXT_CSD_HPI_FEATURES] = 0x3; /* HPI features */ + sd->ext_csd[EXT_CSD_BKOPS_SUPPORT] = 0x1; /* Background operations */ + sd->ext_csd[241] = 0xA; /* 1st initialization time after partitioning */ + sd->ext_csd[EXT_CSD_TRIM_MULT] = 0x1; /* Trim multiplier */ + sd->ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT] = 0x15; /* Secure feature */ + sd->ext_csd[EXT_CSD_BOOT_INFO] = 0x7; /* Boot information */ + sd->ext_csd[EXT_CSD_BOOT_MULT] = 0x8; /* Boot partition size. 128KB unit */ + sd->ext_csd[EXT_CSD_ACC_SIZE] = 0x6; /* Access size */ + sd->ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] = 0x4; /* HC Erase unit size */ + sd->ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT] = 0x01; /* HC erase timeout */ + sd->ext_csd[EXT_CSD_REL_WR_SEC_C] = 0x1; /* Reliable write sector count */ + sd->ext_csd[EXT_CSD_HC_WP_GRP_SIZE] = 0x4; /* HC write protect group size */ + sd->ext_csd[EXT_CSD_S_C_VCC] = 0x8; /* Sleep current VCC */ + sd->ext_csd[EXT_CSD_S_C_VCCQ] = 0x7; /* Sleep current VCCQ */ + sd->ext_csd[EXT_CSD_S_A_TIMEOUT] = 0x11; /* Sleep/Awake timeout */ + sd->ext_csd[215] = (sectcount >> 24) & 0xff; /* Sector count */ + sd->ext_csd[214] = (sectcount >> 16) & 0xff; /* ... */ + sd->ext_csd[213] = (sectcount >> 8) & 0xff; /* ... */ + sd->ext_csd[EXT_CSD_SEC_CNT] = (sectcount & 0xff); /* ... */ + sd->ext_csd[210] = 0xa; /* Min write perf for 8bit@52Mhz */ + sd->ext_csd[209] = 0xa; /* Min read perf for 8bit@52Mhz */ + sd->ext_csd[208] = 0xa; /* Min write perf for 4bit@52Mhz */ + sd->ext_csd[207] = 0xa; /* Min read perf for 4bit@52Mhz */ + sd->ext_csd[206] = 0xa; /* Min write perf for 4bit@26Mhz */ + sd->ext_csd[205] = 0xa; /* Min read perf for 4bit@26Mhz */ + sd->ext_csd[EXT_CSD_PART_SWITCH_TIME] = 0x1; + sd->ext_csd[EXT_CSD_OUT_OF_INTERRUPT_TIME] = 0x1; + sd->ext_csd[EXT_CSD_CARD_TYPE] = 0x7; + sd->ext_csd[EXT_CSD_STRUCTURE] = 0x2; + sd->ext_csd[EXT_CSD_REV] = 0x5; + sd->ext_csd[EXT_CSD_RPMB_MULT] = 0x1; /* RPMB size */ + sd->ext_csd[EXT_CSD_PARTITION_SUPPORT] = 0x3; + sd->ext_csd[159] = 0x00; /* Max enhanced area size */ + sd->ext_csd[158] = 0x00; /* ... */ + sd->ext_csd[157] = 0xEC; /* ... */ +} + static void emmc_set_csd(SDState *sd, uint64_t size) { int hwblock_shift = HWBLOCK_SHIFT; @@ -512,6 +557,7 @@ static void emmc_set_csd(SDState *sd, uint64_t size) ((hwblock_shift << 6) & 0xc0); sd->csd[14] = 0x00; sd->csd[15] = (sd_crc7(sd->csd, 15) << 1) | 1; + mmc_set_ext_csd(sd, size); } static void sd_set_csd(SDState *sd, uint64_t size) @@ -1405,6 +1451,17 @@ static sd_rsp_type_t sd_cmd_SEND_IF_COND(SDState *sd, SDRequest req) return sd_r7; } +/* CMD8 */ +static sd_rsp_type_t emmc_cmd_SEND_EXT_CSD(SDState *sd, SDRequest req) +{ + if (sd->state != sd_transfer_state) { + return sd_invalid_state_for_cmd(sd, req); + } + + return sd_cmd_to_sendingdata(sd, req, sd_req_get_address(sd, req), + sd->ext_csd, sizeof(sd->ext_csd)); +} + /* CMD9 */ static sd_rsp_type_t spi_cmd_SEND_CSD(SDState *sd, SDRequest req) { @@ -2334,6 +2391,7 @@ uint8_t sd_read_byte(SDState *sd) sd->data_offset, sd->data_size, io_len); switch (sd->current_cmd) { case 6: /* CMD6: SWITCH_FUNCTION */ + case 8: /* CMD8: SEND_EXT_CSD */ case 9: /* CMD9: SEND_CSD */ case 10: /* CMD10: SEND_CID */ case 13: /* ACMD13: SD_STATUS */ @@ -2511,6 +2569,7 @@ static const SDProto sd_proto_emmc = { [4] = {0, sd_bc, "SEND_DSR", sd_cmd_unimplemented}, [5] = {0, sd_ac, "SLEEP/AWAKE", emmc_cmd_sleep_awake}, [7] = {0, sd_ac, "(DE)SELECT_CARD", sd_cmd_DE_SELECT_CARD}, + [8] = {0, sd_adtc, "SEND_EXT_CSD", emmc_cmd_SEND_EXT_CSD}, [9] = {0, sd_ac, "SEND_CSD", sd_cmd_SEND_CSD}, [10] = {0, sd_ac, "SEND_CID", sd_cmd_SEND_CID}, [11] = {1, sd_adtc, "READ_DAT_UNTIL_STOP", sd_cmd_unimplemented},