diff options
author | Ludovic Barre <ludovic.barre@st.com> | 2018-10-08 14:08:43 +0200 |
---|---|---|
committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-10-09 09:13:04 +0200 |
commit | c931d495cd3d5f01eba5da958207d37c63edbf10 (patch) | |
tree | 90cf7df894d4799801d8cbbeefb37c534061ad3b | |
parent | cd3ee8c532ad05dac71681e0ecfa91606d0e145e (diff) |
mmc: mmci: add datactrl block size variant property
This patch allows to define a datactrl block size
by variant, requested by STM32 sdmmc variant.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r-- | drivers/mmc/host/mmci.c | 13 | ||||
-rw-r--r-- | drivers/mmc/host/mmci.h | 2 |
2 files changed, 13 insertions, 2 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 1b99ae3bbd0f..0e8b65d6a74a 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -57,6 +57,7 @@ static struct variant_data variant_arm = { .fifosize = 16 * 4, .fifohalfsize = 8 * 4, .datalength_bits = 16, + .datactrl_blocksz = 11, .pwrreg_powerup = MCI_PWR_UP, .f_max = 100000000, .reversed_irq_handling = true, @@ -70,6 +71,7 @@ static struct variant_data variant_arm_extended_fifo = { .fifosize = 128 * 4, .fifohalfsize = 64 * 4, .datalength_bits = 16, + .datactrl_blocksz = 11, .pwrreg_powerup = MCI_PWR_UP, .f_max = 100000000, .mmcimask1 = true, @@ -83,6 +85,7 @@ static struct variant_data variant_arm_extended_fifo_hwfc = { .fifohalfsize = 64 * 4, .clkreg_enable = MCI_ARM_HWFCEN, .datalength_bits = 16, + .datactrl_blocksz = 11, .pwrreg_powerup = MCI_PWR_UP, .f_max = 100000000, .mmcimask1 = true, @@ -97,6 +100,7 @@ static struct variant_data variant_u300 = { .clkreg_enable = MCI_ST_U300_HWFCEN, .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, .datalength_bits = 16, + .datactrl_blocksz = 11, .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, .st_sdio = true, .pwrreg_powerup = MCI_PWR_ON, @@ -116,6 +120,7 @@ static struct variant_data variant_nomadik = { .clkreg = MCI_CLK_ENABLE, .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, .datalength_bits = 24, + .datactrl_blocksz = 11, .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, .st_sdio = true, .st_clkdiv = true, @@ -138,6 +143,7 @@ static struct variant_data variant_ux500 = { .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, .clkreg_neg_edge_enable = MCI_ST_UX500_NEG_EDGE, .datalength_bits = 24, + .datactrl_blocksz = 11, .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, .st_sdio = true, .st_clkdiv = true, @@ -165,6 +171,7 @@ static struct variant_data variant_ux500v2 = { .clkreg_neg_edge_enable = MCI_ST_UX500_NEG_EDGE, .datactrl_mask_ddrmode = MCI_DPSM_ST_DDRMODE, .datalength_bits = 24, + .datactrl_blocksz = 11, .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, .st_sdio = true, .st_clkdiv = true, @@ -192,6 +199,7 @@ static struct variant_data variant_stm32 = { .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, .clkreg_neg_edge_enable = MCI_ST_UX500_NEG_EDGE, .datalength_bits = 24, + .datactrl_blocksz = 11, .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, .st_sdio = true, .st_clkdiv = true, @@ -213,6 +221,7 @@ static struct variant_data variant_qcom = { .data_cmd_enable = MCI_CPSM_QCOM_DATCMD, .blksz_datactrl4 = true, .datalength_bits = 24, + .datactrl_blocksz = 11, .pwrreg_powerup = MCI_PWR_UP, .f_max = 208000000, .explicit_mclk_control = true, @@ -1861,13 +1870,13 @@ static int mmci_probe(struct amba_device *dev, /* * Block size can be up to 2048 bytes, but must be a power of two. */ - mmc->max_blk_size = 1 << 11; + mmc->max_blk_size = 1 << variant->datactrl_blocksz; /* * Limit the number of blocks transferred so that we don't overflow * the maximum request size. */ - mmc->max_blk_count = mmc->max_req_size >> 11; + mmc->max_blk_count = mmc->max_req_size >> variant->datactrl_blocksz; spin_lock_init(&host->lock); diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index dbb5ad47c16a..d5979e82db49 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -217,6 +217,7 @@ struct mmci_host; * @blksz_datactrl4: true if Block size is at b4..b16 position in datactrl * register * @datactrl_mask_sdio: SDIO enable mask in datactrl register + * @datactrl_blksz: block size in power of two * @pwrreg_powerup: power up value for MMCIPOWER register * @f_max: maximum clk frequency supported by the controller. * @signal_direction: input/out direction of bus signals can be indicated @@ -248,6 +249,7 @@ struct variant_data { unsigned int data_cmd_enable; unsigned int datactrl_mask_ddrmode; unsigned int datactrl_mask_sdio; + unsigned int datactrl_blocksz; u8 st_sdio:1; u8 st_clkdiv:1; u8 blksz_datactrl16:1; |