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| author | Yann Gautier <yann.gautier@foss.st.com> | 2023-06-19 13:51:17 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2023-06-20 11:44:40 +0200 |
| commit | ea9ca04119734c2b84691276fef2c018e9fd68ae (patch) | |
| tree | 9d8c56d1d5839c4c55c9cee670996de704188e2d | |
| parent | 88167e6c2e8e5d99f83a4d1d466e1d9c35c8f596 (diff) | |
| download | linux-stable-ea9ca04119734c2b84691276fef2c018e9fd68ae.tar.gz linux-stable-ea9ca04119734c2b84691276fef2c018e9fd68ae.tar.bz2 linux-stable-ea9ca04119734c2b84691276fef2c018e9fd68ae.zip | |
mmc: mmci: Add support for sdmmc variant revision v3.0
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 <yann.gautier@foss.st.com>
Link: https://lore.kernel.org/r/20230619115120.64474-4-yann.gautier@foss.st.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/mmc/host/mmci.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 192d2a594713..f7e9f071d2a8 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, @@ -2509,6 +2537,11 @@ 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, |