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bdk: sdmmc: add driver type set support
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@ -1030,6 +1030,28 @@ static void _sd_storage_set_power_limit(sdmmc_storage_t *storage, u16 power_limi
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}
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}
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int _sd_storage_set_driver_type(sdmmc_storage_t *storage, u32 driver, u8 *buf)
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{
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if (!_sd_storage_switch(storage, buf, SD_SWITCH_CHECK, SD_SWITCH_GRP_DRVSTR, driver))
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return 0;
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u32 driver_out = buf[15] & 0xF;
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if (driver_out != driver)
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return 0;
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DPRINTF("[SD] supports Driver Strength %d\n", driver);
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if (!_sd_storage_switch(storage, buf, SD_SWITCH_SET, SD_SWITCH_GRP_DRVSTR, driver))
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return 0;
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if (driver_out != (buf[15] & 0xF))
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return 0;
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DPRINTF("[SD] card accepted Driver Strength %d\n", driver);
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sdmmc_setup_drv_type(storage->sdmmc, driver);
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return 1;
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}
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/*
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* SD Card DDR200 (DDR208) support
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*
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@ -297,6 +297,13 @@ static void _sdmmc_reset_all(sdmmc_t *sdmmc)
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;
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}
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void sdmmc_setup_drv_type(sdmmc_t *sdmmc, u32 type)
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{
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sdmmc->regs->hostctl2 = (sdmmc->regs->hostctl2 & (~SDHCI_CTRL_DRV_TYPE_MASK)) | SDHCI_CTRL_DRV_TYPE(type);
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_sdmmc_commit_changes(sdmmc);
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}
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int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type)
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{
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// Disable the SD clock if it was enabled, and reenable it later.
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@ -120,10 +120,12 @@
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/*! SDMMC host control 2. 0x3E. */
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#define SDHCI_CTRL_UHS_MASK 0x7
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#define SDHCI_CTRL_VDD_180 BIT(3)
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#define SDHCI_CTRL_DRV_TYPE_MASK (3U << 4)
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#define SDHCI_CTRL_DRV_TYPE_B (0U << 4)
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#define SDHCI_CTRL_DRV_TYPE_A (1U << 4)
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#define SDHCI_CTRL_DRV_TYPE_C (2U << 4)
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#define SDHCI_CTRL_DRV_TYPE_D (3U << 4)
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#define SDHCI_CTRL_DRV_TYPE(type) ((type) << 4)
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#define SDHCI_CTRL_EXEC_TUNING BIT(6)
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#define SDHCI_CTRL_TUNED_CLK_SHIFT 7
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#define SDHCI_CTRL_TUNED_CLK BIT(7)
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@ -317,6 +319,7 @@ int sdmmc_get_io_power(sdmmc_t *sdmmc);
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u32 sdmmc_get_bus_width(sdmmc_t *sdmmc);
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void sdmmc_set_bus_width(sdmmc_t *sdmmc, u32 bus_width);
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void sdmmc_save_tap_value(sdmmc_t *sdmmc);
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void sdmmc_setup_drv_type(sdmmc_t *sdmmc, u32 type);
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int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type);
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void sdmmc_card_clock_powersave(sdmmc_t *sdmmc, int powersave_enable);
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int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type);
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