diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 737adf465a60..9f0cef0f0669 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -56,6 +56,10 @@ static unsigned int fmax = 515633; static struct variant_data variant_arm = { .fifosize = 16 * 4, .fifohalfsize = 8 * 4, + .cmdreg_cpsm_enable = MCI_CPSM_ENABLE, + .cmdreg_lrsp_crc = MCI_CPSM_RESPONSE | MCI_CPSM_LONGRSP, + .cmdreg_srsp_crc = MCI_CPSM_RESPONSE, + .cmdreg_srsp = MCI_CPSM_RESPONSE, .datalength_bits = 16, .datactrl_blocksz = 11, .pwrreg_powerup = MCI_PWR_UP, @@ -70,6 +74,10 @@ static struct variant_data variant_arm = { static struct variant_data variant_arm_extended_fifo = { .fifosize = 128 * 4, .fifohalfsize = 64 * 4, + .cmdreg_cpsm_enable = MCI_CPSM_ENABLE, + .cmdreg_lrsp_crc = MCI_CPSM_RESPONSE | MCI_CPSM_LONGRSP, + .cmdreg_srsp_crc = MCI_CPSM_RESPONSE, + .cmdreg_srsp = MCI_CPSM_RESPONSE, .datalength_bits = 16, .datactrl_blocksz = 11, .pwrreg_powerup = MCI_PWR_UP, @@ -84,6 +92,10 @@ static struct variant_data variant_arm_extended_fifo_hwfc = { .fifosize = 128 * 4, .fifohalfsize = 64 * 4, .clkreg_enable = MCI_ARM_HWFCEN, + .cmdreg_cpsm_enable = MCI_CPSM_ENABLE, + .cmdreg_lrsp_crc = MCI_CPSM_RESPONSE | MCI_CPSM_LONGRSP, + .cmdreg_srsp_crc = MCI_CPSM_RESPONSE, + .cmdreg_srsp = MCI_CPSM_RESPONSE, .datalength_bits = 16, .datactrl_blocksz = 11, .pwrreg_powerup = MCI_PWR_UP, @@ -99,6 +111,10 @@ static struct variant_data variant_u300 = { .fifohalfsize = 8 * 4, .clkreg_enable = MCI_ST_U300_HWFCEN, .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, + .cmdreg_cpsm_enable = MCI_CPSM_ENABLE, + .cmdreg_lrsp_crc = MCI_CPSM_RESPONSE | MCI_CPSM_LONGRSP, + .cmdreg_srsp_crc = MCI_CPSM_RESPONSE, + .cmdreg_srsp = MCI_CPSM_RESPONSE, .datalength_bits = 16, .datactrl_blocksz = 11, .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, @@ -119,6 +135,10 @@ static struct variant_data variant_nomadik = { .fifohalfsize = 8 * 4, .clkreg = MCI_CLK_ENABLE, .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, + .cmdreg_cpsm_enable = MCI_CPSM_ENABLE, + .cmdreg_lrsp_crc = MCI_CPSM_RESPONSE | MCI_CPSM_LONGRSP, + .cmdreg_srsp_crc = MCI_CPSM_RESPONSE, + .cmdreg_srsp = MCI_CPSM_RESPONSE, .datalength_bits = 24, .datactrl_blocksz = 11, .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, @@ -142,6 +162,10 @@ static struct variant_data variant_ux500 = { .clkreg_enable = MCI_ST_UX500_HWFCEN, .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, .clkreg_neg_edge_enable = MCI_ST_UX500_NEG_EDGE, + .cmdreg_cpsm_enable = MCI_CPSM_ENABLE, + .cmdreg_lrsp_crc = MCI_CPSM_RESPONSE | MCI_CPSM_LONGRSP, + .cmdreg_srsp_crc = MCI_CPSM_RESPONSE, + .cmdreg_srsp = MCI_CPSM_RESPONSE, .datalength_bits = 24, .datactrl_blocksz = 11, .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, @@ -169,6 +193,10 @@ static struct variant_data variant_ux500v2 = { .clkreg_enable = MCI_ST_UX500_HWFCEN, .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, .clkreg_neg_edge_enable = MCI_ST_UX500_NEG_EDGE, + .cmdreg_cpsm_enable = MCI_CPSM_ENABLE, + .cmdreg_lrsp_crc = MCI_CPSM_RESPONSE | MCI_CPSM_LONGRSP, + .cmdreg_srsp_crc = MCI_CPSM_RESPONSE, + .cmdreg_srsp = MCI_CPSM_RESPONSE, .datactrl_mask_ddrmode = MCI_DPSM_ST_DDRMODE, .datalength_bits = 24, .datactrl_blocksz = 11, @@ -198,6 +226,10 @@ static struct variant_data variant_stm32 = { .clkreg_enable = MCI_ST_UX500_HWFCEN, .clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS, .clkreg_neg_edge_enable = MCI_ST_UX500_NEG_EDGE, + .cmdreg_cpsm_enable = MCI_CPSM_ENABLE, + .cmdreg_lrsp_crc = MCI_CPSM_RESPONSE | MCI_CPSM_LONGRSP, + .cmdreg_srsp_crc = MCI_CPSM_RESPONSE, + .cmdreg_srsp = MCI_CPSM_RESPONSE, .datalength_bits = 24, .datactrl_blocksz = 11, .datactrl_mask_sdio = MCI_DPSM_ST_SDIOEN, @@ -218,6 +250,10 @@ static struct variant_data variant_qcom = { MCI_QCOM_CLK_SELECT_IN_FBCLK, .clkreg_8bit_bus_enable = MCI_QCOM_CLK_WIDEBUS_8, .datactrl_mask_ddrmode = MCI_QCOM_CLK_SELECT_IN_DDR_MODE, + .cmdreg_cpsm_enable = MCI_CPSM_ENABLE, + .cmdreg_lrsp_crc = MCI_CPSM_RESPONSE | MCI_CPSM_LONGRSP, + .cmdreg_srsp_crc = MCI_CPSM_RESPONSE, + .cmdreg_srsp = MCI_CPSM_RESPONSE, .data_cmd_enable = MCI_CPSM_QCOM_DATCMD, .blksz_datactrl4 = true, .datalength_bits = 24, @@ -1015,16 +1051,19 @@ mmci_start_command(struct mmci_host *host, struct mmc_command *cmd, u32 c) dev_dbg(mmc_dev(host->mmc), "op %02x arg %08x flags %08x\n", cmd->opcode, cmd->arg, cmd->flags); - if (readl(base + MMCICOMMAND) & MCI_CPSM_ENABLE) { + if (readl(base + MMCICOMMAND) & host->variant->cmdreg_cpsm_enable) { writel(0, base + MMCICOMMAND); mmci_reg_delay(host); } - c |= cmd->opcode | MCI_CPSM_ENABLE; + c |= cmd->opcode | host->variant->cmdreg_cpsm_enable; if (cmd->flags & MMC_RSP_PRESENT) { if (cmd->flags & MMC_RSP_136) - c |= MCI_CPSM_LONGRSP; - c |= MCI_CPSM_RESPONSE; + c |= host->variant->cmdreg_lrsp_crc; + else if (cmd->flags & MMC_RSP_CRC) + c |= host->variant->cmdreg_srsp_crc; + else + c |= host->variant->cmdreg_srsp; } if (/*interrupt*/0) c |= MCI_CPSM_INTERRUPT; diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 8e7ea44dafb1..531c247e37be 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -204,6 +204,10 @@ struct mmci_host; * @clkreg_enable: enable value for MMCICLOCK register * @clkreg_8bit_bus_enable: enable value for 8 bit bus * @clkreg_neg_edge_enable: enable value for inverted data/cmd output + * @cmdreg_cpsm_enable: enable value for CPSM + * @cmdreg_lrsp_crc: enable value for long response with crc + * @cmdreg_srsp_crc: enable value for short response with crc + * @cmdreg_srsp: enable value for short response without crc * @datalength_bits: number of bits in the MMCIDATALENGTH register * @fifosize: number of bytes that can be written when MMCI_TXFIFOEMPTY * is asserted (likewise for RX) @@ -243,6 +247,10 @@ struct variant_data { unsigned int clkreg_enable; unsigned int clkreg_8bit_bus_enable; unsigned int clkreg_neg_edge_enable; + unsigned int cmdreg_cpsm_enable; + unsigned int cmdreg_lrsp_crc; + unsigned int cmdreg_srsp_crc; + unsigned int cmdreg_srsp; unsigned int datalength_bits; unsigned int fifosize; unsigned int fifohalfsize;