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Merge pull request #3398 from A-orz/master

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Update sd.c
This commit is contained in:
Bernard Xiong 2020-02-23 11:33:13 +08:00 committed by GitHub
commit d5a2a5a8d7
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1 changed files with 0 additions and 36 deletions
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components/drivers/sdio/sd.c
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@ -93,25 +93,6 @@ static rt_int32_t mmcsd_parse_csd(struct rt_mmcsd_card *card)
card->tacc_ns = (tacc_uint[csd->taac&0x07] * tacc_value[(csd->taac&0x78)>>3] + 9) / 10;
card->max_data_rate = tran_unit[csd->tran_speed&0x07] * tran_value[(csd->tran_speed&0x78)>>3];
#if 0
val = GET_BITS(resp, 115, 4);
unit = GET_BITS(resp, 112, 3);
csd->tacc_ns = (tacc_uint[unit] * tacc_value[val] + 9) / 10;
csd->tacc_clks = GET_BITS(resp, 104, 8) * 100;
val = GET_BITS(resp, 99, 4);
unit = GET_BITS(resp, 96, 3);
csd->max_data_rate = tran_unit[unit] * tran_value[val];
csd->ccc = GET_BITS(resp, 84, 12);
unit = GET_BITS(resp, 47, 3);
val = GET_BITS(resp, 62, 12);
csd->device_size = (1 + val) << (unit + 2);
csd->read_bl_len = GET_BITS(resp, 80, 4);
csd->write_bl_len = GET_BITS(resp, 22, 4);
csd->r2w_factor = GET_BITS(resp, 26, 3);
#endif
break;
case 1:
card->flags |= CARD_FLAG_SDHC;
@ -142,23 +123,6 @@ static rt_int32_t mmcsd_parse_csd(struct rt_mmcsd_card *card)
card->tacc_ns = 0;
card->max_data_rate = tran_unit[csd->tran_speed&0x07] * tran_value[(csd->tran_speed&0x78)>>3];
#if 0
csd->tacc_ns = 0;
csd->tacc_clks = 0;
val = GET_BITS(resp, 99, 4);
unit = GET_BITS(resp, 96, 3);
csd->max_data_rate = tran_unit[unit] * tran_value[val];
csd->ccc = GET_BITS(resp, 84, 12);
val = GET_BITS(resp, 48, 22);
csd->device_size = (1 + val) << 10;
csd->read_bl_len = 9;
csd->write_bl_len = 9;
/* host should not use this factor and should use 250ms for write timeout */
csd->r2w_factor = 2;
#endif
break;
default:
LOG_E("unrecognised CSD structure version %d!", csd->csd_structure);