From: Sai Pavan Boddu <sai.pavan.bo...@xilinx.com> MMC cards support different tuning sequence for entering HS200 mode.
Signed-off-by: Sai Pavan Boddu <sai.pavan.bo...@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.igles...@xilinx.com> Signed-off-by: Cédric Le Goater <c...@kaod.org> Signed-off-by: Cédric Le Goater <c...@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org> --- hw/sd/sdmmc-internal.h | 3 +++ hw/sd/sd.c | 41 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/hw/sd/sdmmc-internal.h b/hw/sd/sdmmc-internal.h index 20d85aea6d..a2769a80aa 100644 --- a/hw/sd/sdmmc-internal.h +++ b/hw/sd/sdmmc-internal.h @@ -108,4 +108,7 @@ #define EXT_CSD_PART_CONFIG_EN_BOOT0 (0x1 << 3) #define EXT_CSD_PART_CONFIG_EN_USER (0x7 << 3) +#define EXT_CSD_BUS_WIDTH_8_MASK 0x4 +#define EXT_CSD_BUS_WIDTH_4_MASK 0x2 + #endif diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 0561079eff..ae5e73175e 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -698,6 +698,25 @@ static const uint8_t sd_tuning_block_pattern4[64] = { 0xbb, 0xff, 0xf7, 0xff, 0xf7, 0x7f, 0x7b, 0xde }; +static const uint8_t mmc_tuning_block_pattern8[128] = { + 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00, + 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0x33, 0xcc, 0xcc, + 0xcc, 0x33, 0x33, 0xcc, 0xcc, 0xcc, 0xff, 0xff, + 0xff, 0xee, 0xff, 0xff, 0xff, 0xee, 0xee, 0xff, + 0xff, 0xff, 0xdd, 0xff, 0xff, 0xff, 0xdd, 0xdd, + 0xff, 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff, 0xbb, + 0xbb, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff, 0xff, + 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee, 0xff, + 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, + 0x00, 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0x33, 0xcc, + 0xcc, 0xcc, 0x33, 0x33, 0xcc, 0xcc, 0xcc, 0xff, + 0xff, 0xff, 0xee, 0xff, 0xff, 0xff, 0xee, 0xee, + 0xff, 0xff, 0xff, 0xdd, 0xff, 0xff, 0xff, 0xdd, + 0xdd, 0xff, 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff, + 0xbb, 0xbb, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff, + 0xff, 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee +}; + static int sd_req_crc_validate(SDRequest *req) { uint8_t buffer[5]; @@ -1603,6 +1622,26 @@ static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req) sizeof(sd_tuning_block_pattern4)); } +/* CMD21 */ +static sd_rsp_type_t emmc_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req) +{ + const uint8_t *buf; + size_t size; + + if (sd->state != sd_transfer_state) { + sd_invalid_state_for_cmd(sd, req); + } + + if (sd->ext_csd[EXT_CSD_BUS_WIDTH] & EXT_CSD_BUS_WIDTH_8_MASK) { + buf = mmc_tuning_block_pattern8; + size = sizeof(mmc_tuning_block_pattern8); + } else { + buf = sd_tuning_block_pattern4; + size = sizeof(sd_tuning_block_pattern4); + } + return sd_cmd_to_sendingdata(sd, req, 0, buf, size); +} + /* CMD23 */ static sd_rsp_type_t sd_cmd_SET_BLOCK_COUNT(SDState *sd, SDRequest req) { @@ -2391,6 +2430,7 @@ uint8_t sd_read_byte(SDState *sd) case 13: /* ACMD13: SD_STATUS */ case 17: /* CMD17: READ_SINGLE_BLOCK */ case 19: /* CMD19: SEND_TUNING_BLOCK (SD) */ + case 21: /* CMD21: SEND_TUNING_BLOCK (MMC) */ case 22: /* ACMD22: SEND_NUM_WR_BLOCKS */ case 30: /* CMD30: SEND_WRITE_PROT */ case 51: /* ACMD51: SEND_SCR */ @@ -2573,6 +2613,7 @@ static const SDProto sd_proto_emmc = { [16] = {2, sd_ac, "SET_BLOCKLEN", sd_cmd_SET_BLOCKLEN}, [17] = {2, sd_adtc, "READ_SINGLE_BLOCK", sd_cmd_READ_SINGLE_BLOCK}, [19] = {0, sd_adtc, "BUSTEST_W", sd_cmd_unimplemented}, + [21] = {2, sd_adtc, "SEND_TUNING_BLOCK", emmc_cmd_SEND_TUNING_BLOCK}, [23] = {2, sd_ac, "SET_BLOCK_COUNT", sd_cmd_SET_BLOCK_COUNT}, [24] = {4, sd_adtc, "WRITE_SINGLE_BLOCK", sd_cmd_WRITE_SINGLE_BLOCK}, [26] = {4, sd_adtc, "PROGRAM_CID", mmc_cmd_PROGRAM_CID}, -- 2.41.0