waterDataFluctuationCorrelation synchronousMemoryDatabase.c 袁明明 commit at 2020-12-11

waterDataFluctuationCorrelation/fluctuationCorrelationOfSprayEnd/synchronousMemoryDatabase.c

@@ -243,3 +243,78 @@ static int da830_evm_mmc_get_cd(int index)
 static struct davinci_mmc_config da830_evm_mmc_config = {
 	.get_ro			= da830_evm_mmc_get_ro,
 	.get_cd			= da830_evm_mmc_get_cd,
+	.wires			= 8,
+	.max_freq		= 50000000,
+	.caps			= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+	.version		= MMC_CTLR_VERSION_2,
+};
+
+static inline void da830_evm_init_mmc(void)
+{
+	int ret;
+
+	ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
+	if (ret) {
+		pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
+				ret);
+		return;
+	}
+
+	ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
+	if (ret) {
+		pr_warning("da830_evm_init: can not open GPIO %d\n",
+			   DA830_MMCSD_WP_PIN);
+		return;
+	}
+	gpio_direction_input(DA830_MMCSD_WP_PIN);
+
+	ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
+	if (ret) {
+		pr_warning("da830_evm_init: can not open GPIO %d\n",
+			   DA830_MMCSD_CD_PIN);
+		return;
+	}
+	gpio_direction_input(DA830_MMCSD_CD_PIN);
+
+	ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
+	if (ret) {
+		pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
+				ret);
+		gpio_free(DA830_MMCSD_WP_PIN);
+	}
+}
+
+/*
+ * UI board NAND/NOR flashes only use 8-bit data bus.
+ */
+static const short da830_evm_emif25_pins[] = {
+	DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
+	DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
+	DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
+	DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
+	DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
+	DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
+	DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
+	-1
+};
+
+#if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
+#define HAS_MMC	1
+#else
+#define HAS_MMC	0
+#endif
+
+#ifdef CONFIG_DA830_UI_NAND
+static struct mtd_partition da830_evm_nand_partitions[] = {
+	/* bootloader (U-Boot, etc) in first sector */
+	[0] = {
+		.name		= "bootloader",
+		.offset		= 0,
+		.size		= SZ_128K,
+		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
+	},
+	/* bootloader params in the next sector */
+	[1] = {
+		.name		= "params",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_128K,