[PATCH 19/19] mmc: mmci: add stm32 sdmmc variant
From: Ludovic Barre <hidden>
Date: 2018-06-12 13:17:53
Also in:
linux-devicetree, 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
From: Ludovic Barre <redacted> This patch adds a stm32 sdmmc variant, rev 1.1. Introduces a new Manufacturer id "0x53, ascii 'S' to define new stm32 sdmmc familly with clean range of amba revision/configurations bits (corresponding to sdmmc_ver register with major/minor fields). Signed-off-by: Ludovic Barre <redacted> --- drivers/mmc/host/mmci.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index af27a0a..bed671d 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c@@ -267,6 +267,29 @@ static struct variant_data variant_stm32 = { .mmci_dma = &dmaengine, }; +static struct variant_data variant_stm32_sdmmc = { + .fifosize = 16 * 4, + .fifohalfsize = 8 * 4, + .f_max = 208000000, + .stm32_clkdiv = true, + .reset = 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, + .datalength_bits = 25, + .datactrl_blocksz = 14, + .mmci_dma = &sdmmc_idma, + .stm32_idmabsize_mask = GENMASK(12, 5), + .validate_data = sdmmc_idma_validate_data, + .set_clkreg = mmci_sdmmc_set_clkreg, + .set_pwrreg = mmci_sdmmc_set_pwrreg, +}; + static struct variant_data variant_qcom = { .fifosize = 16 * 4, .fifohalfsize = 8 * 4,
@@ -1907,6 +1930,11 @@ static const struct amba_id mmci_ids[] = { .mask = 0x00ffffff, .data = &variant_stm32, }, + { + .id = 0x10153180, + .mask = 0xf0ffffff, + .data = &variant_stm32_sdmmc, + }, /* Qualcomm variants */ { .id = 0x00051180,
--
2.7.4