hi Ulf
Le 1/28/20 à 10:06 AM, Ludovic Barre a écrit :
This patch adds a sdmmc variant revision 2.0.
This revision is backward compatible with 1.1, and adds dma
link list support.
Signed-off-by: Ludovic Barre <ludovic.barre@xxxxxx>
---
drivers/mmc/host/mmci.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 24e630183ed4..a774c329c212 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -275,6 +275,31 @@ static struct variant_data variant_stm32_sdmmc = {
.init = sdmmc_variant_init,
};
+static struct variant_data variant_stm32_sdmmcv2 = {
+ .fifosize = 16 * 4,
+ .fifohalfsize = 8 * 4,
+ .f_max = 208000000,
+ .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,
+ .stm32_idmabsize_mask = GENMASK(16, 5),
+ .dma_lli = true,
+ .busy_timeout = true,
I forget "busy_detect = true," property
I add this in next patch set
+ .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,
@@ -2343,6 +2368,11 @@ static const struct amba_id mmci_ids[] = {
.mask = 0xf0ffffff,
.data = &variant_stm32_sdmmc,
},
+ {
+ .id = 0x00253180,
+ .mask = 0xf0ffffff,
+ .data = &variant_stm32_sdmmcv2,
+ },
/* Qualcomm variants */
{
.id = 0x00051180,
