[PATCH 3/6] mmc: mmci: Add support for sdmmc variant revision v3.0
flat view
STALE1232d
SUPERSEDED
From: Yann Gautier <hidden>
Date: 2023-06-15 09:21:24
Also in:
linux-arm-kernel, linux-mmc, lkml
Subsystem:
arm primecell mmci pl180/1 driver, multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers:
Russell King, Ulf Hansson, Linus Torvalds
Status: Superseded by v2 (posted 2023-06-19). [go to v2]
Revision v1 (2 revisions archived).
Revisions (2)
- v1 current
- v2 [diff against previous]
This is an update of the SDMMC revision v2.2, with just an increased
FIFO size, from 64B to 1kB.
Signed-off-by: Yann Gautier <redacted>
---
drivers/mmc/host/mmci.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index eae3d1c8934cb..3c54ab2c59176 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c@@ -306,6 +306,34 @@ static struct variant_data variant_stm32_sdmmcv2 = { .init = sdmmc_variant_init, }; +static struct variant_data variant_stm32_sdmmcv3 = { + .fifosize = 256 * 4, + .fifohalfsize = 128 * 4, + .f_max = 267000000, + .stm32_clkdiv = true, + .cmdreg_cpsm_enable = MCI_CPSM_STM32_ENABLE, + .cmdreg_lrsp_crc = MCI_CPSM_STM32_LRSP_CRC, + .cmdreg_srsp_crc = MCI_CPSM_STM32_SRSP_CRC, + .cmdreg_srsp = MCI_CPSM_STM32_SRSP, + .cmdreg_stop = MCI_CPSM_STM32_CMDSTOP, + .data_cmd_enable = MCI_CPSM_STM32_CMDTRANS, + .irq_pio_mask = MCI_IRQ_PIO_STM32_MASK, + .datactrl_first = true, + .datacnt_useless = true, + .datalength_bits = 25, + .datactrl_blocksz = 14, + .datactrl_any_blocksz = true, + .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, + .stm32_idmabsize_mask = GENMASK(16, 6), + .stm32_idmabsize_align = BIT(6), + .dma_lli = true, + .busy_timeout = true, + .busy_detect = true, + .busy_detect_flag = MCI_STM32_BUSYD0, + .busy_detect_mask = MCI_STM32_BUSYD0ENDMASK, + .init = sdmmc_variant_init, +}; + static struct variant_data variant_qcom = { .fifosize = 16 * 4, .fifohalfsize = 8 * 4,
@@ -2500,6 +2528,11 @@ static const struct amba_id mmci_ids[] = { .mask = 0xf0ffffff, .data = &variant_stm32_sdmmcv2, }, + { + .id = 0x00353180, + .mask = 0xf0ffffff, + .data = &variant_stm32_sdmmcv3, + }, /* Qualcomm variants */ { .id = 0x00051180,
--
2.25.1