diff options
Diffstat (limited to 'drivers/mmc/host/mmci.c')
| -rw-r--r-- | drivers/mmc/host/mmci.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index e9ffce8d41ea..647567def612 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -22,6 +22,7 @@ #include <linux/mmc/pm.h> #include <linux/mmc/host.h> #include <linux/mmc/card.h> +#include <linux/mmc/sd.h> #include <linux/mmc/slot-gpio.h> #include <linux/amba/bus.h> #include <linux/clk.h> @@ -274,6 +275,32 @@ 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, + .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, @@ -1217,6 +1244,9 @@ mmci_start_command(struct mmci_host *host, struct mmc_command *cmd, u32 c) writel_relaxed(clks, host->base + MMCIDATATIMER); } + if (host->ops->pre_sig_volt_switch && cmd->opcode == SD_SWITCH_VOLTAGE) + host->ops->pre_sig_volt_switch(host); + if (/*interrupt*/0) c |= MCI_CPSM_INTERRUPT; @@ -1830,6 +1860,7 @@ static int mmci_get_cd(struct mmc_host *mmc) static int mmci_sig_volt_switch(struct mmc_host *mmc, struct mmc_ios *ios) { + struct mmci_host *host = mmc_priv(mmc); int ret = 0; if (!IS_ERR(mmc->supply.vqmmc)) { @@ -1849,6 +1880,9 @@ static int mmci_sig_volt_switch(struct mmc_host *mmc, struct mmc_ios *ios) break; } + if (!ret && host->ops && host->ops->post_sig_volt_switch) + ret = host->ops->post_sig_volt_switch(host, ios); + if (ret) dev_warn(mmc_dev(mmc), "Voltage switch failed\n"); } @@ -1933,6 +1967,8 @@ static int mmci_probe(struct amba_device *dev, host = mmc_priv(mmc); host->mmc = mmc; + host->mmc_ops = &mmci_ops; + mmc->ops = &mmci_ops; /* * Some variant (STM32) doesn't have opendrain bit, nevertheless @@ -2072,8 +2108,6 @@ static int mmci_probe(struct amba_device *dev, host->stop_abort.arg = 0; host->stop_abort.flags = MMC_RSP_R1B | MMC_CMD_AC; - mmc->ops = &mmci_ops; - /* We support these PM capabilities. */ mmc->pm_caps |= MMC_PM_KEEP_POWER; @@ -2335,6 +2369,11 @@ 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, |