From 060f0dac8668937a303120d0be0936ac6b29ce13 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Wed, 1 Jun 2022 07:15:10 +0200 Subject: [PATCH] hw/sd/sdcard: Convert SEND_TUNING_BLOCK to generic_read_byte (CMD19) MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Philippe Mathieu-Daudé Signed-off-by: Philippe Mathieu-Daudé Tested-by: Cédric Le Goater Reviewed-by: Cédric Le Goater Message-Id: <20240628070216.92609-24-philmd@linaro.org> --- hw/sd/sd.c | 48 +++++++++++++++++++----------------------------- 1 file changed, 19 insertions(+), 29 deletions(-) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 8415c23e20..940cbb0d3c 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -564,6 +564,21 @@ static void sd_set_sdstatus(SDState *sd) memset(sd->sd_status, 0, 64); } +static const uint8_t sd_tuning_block_pattern4[64] = { + /* + * See: Physical Layer Simplified Specification Version 3.01, + * Table 4-2. + */ + 0xff, 0x0f, 0xff, 0x00, 0x0f, 0xfc, 0xc3, 0xcc, + 0xc3, 0x3c, 0xcc, 0xff, 0xfe, 0xff, 0xfe, 0xef, + 0xff, 0xdf, 0xff, 0xdd, 0xff, 0xfb, 0xff, 0xfb, + 0xbf, 0xff, 0x7f, 0xff, 0x77, 0xf7, 0xbd, 0xef, + 0xff, 0xf0, 0xff, 0xf0, 0x0f, 0xfc, 0xcc, 0x3c, + 0xcc, 0x33, 0xcc, 0xcf, 0xff, 0xef, 0xff, 0xee, + 0xff, 0xfd, 0xff, 0xfd, 0xdf, 0xff, 0xbf, 0xff, + 0xbb, 0xff, 0xf7, 0xff, 0xf7, 0x7f, 0x7b, 0xde +}; + static int sd_req_crc_validate(SDRequest *req) { uint8_t buffer[5]; @@ -1153,14 +1168,9 @@ static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req) return sd_cmd_illegal(sd, req); } - if (sd->state != sd_transfer_state) { - return sd_invalid_state_for_cmd(sd, req); - } - - sd->state = sd_sendingdata_state; - sd->data_offset = 0; - - return sd_r1; + return sd_cmd_to_sendingdata(sd, req, 0, + sd_tuning_block_pattern4, + sizeof(sd_tuning_block_pattern4)); } /* CMD23 */ @@ -2093,20 +2103,6 @@ void sd_write_byte(SDState *sd, uint8_t value) } } -#define SD_TUNING_BLOCK_SIZE 64 - -static const uint8_t sd_tuning_block_pattern[SD_TUNING_BLOCK_SIZE] = { - /* See: Physical Layer Simplified Specification Version 3.01, Table 4-2 */ - 0xff, 0x0f, 0xff, 0x00, 0x0f, 0xfc, 0xc3, 0xcc, - 0xc3, 0x3c, 0xcc, 0xff, 0xfe, 0xff, 0xfe, 0xef, - 0xff, 0xdf, 0xff, 0xdd, 0xff, 0xfb, 0xff, 0xfb, - 0xbf, 0xff, 0x7f, 0xff, 0x77, 0xf7, 0xbd, 0xef, - 0xff, 0xf0, 0xff, 0xf0, 0x0f, 0xfc, 0xcc, 0x3c, - 0xcc, 0x33, 0xcc, 0xcf, 0xff, 0xef, 0xff, 0xee, - 0xff, 0xfd, 0xff, 0xfd, 0xdf, 0xff, 0xbf, 0xff, - 0xbb, 0xff, 0xf7, 0xff, 0xf7, 0x7f, 0x7b, 0xde, -}; - uint8_t sd_read_byte(SDState *sd) { /* TODO: Append CRCs */ @@ -2135,6 +2131,7 @@ uint8_t sd_read_byte(SDState *sd) case 9: /* CMD9: SEND_CSD */ case 10: /* CMD10: SEND_CID */ case 17: /* CMD17: READ_SINGLE_BLOCK */ + case 19: /* CMD19: SEND_TUNING_BLOCK (SD) */ sd_generic_read_byte(sd, &ret); break; @@ -2169,13 +2166,6 @@ uint8_t sd_read_byte(SDState *sd) } break; - case 19: /* CMD19: SEND_TUNING_BLOCK (SD) */ - if (sd->data_offset >= SD_TUNING_BLOCK_SIZE - 1) { - sd->state = sd_transfer_state; - } - ret = sd_tuning_block_pattern[sd->data_offset++]; - break; - case 22: /* ACMD22: SEND_NUM_WR_BLOCKS */ ret = sd->data[sd->data_offset ++]; -- 2.30.2