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To support SDHC Adapter card type 1(eMMC card Rev4.5) HS200 mode, select to use peripheral clock and add callbacks for signal voltage switching and tuning block setting for eSDHC. SDHC_ADAPTER_TYPE: ADAPTER_TYPE_1 0x1 /* eMMC Card Rev4.5 */ ADAPTER_TYPE_2 0x2 /* SD/MMC Legacy Card...
5 Dual Data Rate timing Optional Yes 6 HS200 Optional Yes 7 Multi Partitioning Mandatory Yes ...
"HS200 " : ""), mmc_card_ddr_mode(card) ? "DDR " : "", uhs_bus_speed_mode, type, card->rca); } // 在这里会打印出card信息的字符串 // eg:mmc0: new HS200 MMC card at address 0001 /* 设置card的debug节点 */ #ifdef CONFIG_DEBUG_FS mmc_add_card_debugfs(card); // 创建ca...