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waterDataFluctuationCorrelation memoryOperation.c 张婷 commit at 2020-11-17

张婷 4 years ago
parent
commit
bf4cd440e4
1 changed files with 109 additions and 0 deletions
  1. 109 0
      waterDataFluctuationCorrelation/dataSharedMemory/memoryOperation.c

+ 109 - 0
waterDataFluctuationCorrelation/dataSharedMemory/memoryOperation.c

@@ -105,3 +105,112 @@ static struct spi_board_info ek_spi_devices[] = {
 		.chip_select	= 0,
 		.max_speed_hz	= 15 * 1000 * 1000,
 		.bus_num	= 0,
+	},
+#endif
+#endif
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct macb_platform_data __initdata ek_macb_data = {
+	.phy_irq_pin	= AT91_PIN_PA7,
+	.is_rmii	= 1,
+};
+
+static void __init ek_add_device_macb(void)
+{
+	if (ek_have_2mmc())
+		ek_macb_data.phy_irq_pin = AT91_PIN_PB0;
+
+	at91_add_device_eth(&ek_macb_data);
+}
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+	{
+		.name   = "Bootstrap",
+		.offset = 0,
+		.size   = 4 * SZ_1M,
+	},
+	{
+		.name	= "Partition 1",
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= 60 * SZ_1M,
+	},
+	{
+		.name	= "Partition 2",
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= MTDPART_SIZ_FULL,
+	},
+};
+
+/* det_pin is not connected */
+static struct atmel_nand_data __initdata ek_nand_data = {
+	.ale		= 21,
+	.cle		= 22,
+	.rdy_pin	= AT91_PIN_PC13,
+	.enable_pin	= AT91_PIN_PC14,
+	.det_pin	= -EINVAL,
+	.ecc_mode	= NAND_ECC_SOFT,
+	.on_flash_bbt	= 1,
+	.parts		= ek_nand_partition,
+	.num_parts	= ARRAY_SIZE(ek_nand_partition),
+};
+
+static struct sam9_smc_config __initdata ek_nand_smc_config = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 2,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 2,
+
+	.ncs_read_pulse		= 4,
+	.nrd_pulse		= 4,
+	.ncs_write_pulse	= 4,
+	.nwe_pulse		= 4,
+
+	.read_cycle		= 7,
+	.write_cycle		= 7,
+
+	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
+	.tdf_cycles		= 3,
+};
+
+static void __init ek_add_device_nand(void)
+{
+	ek_nand_data.bus_width_16 = board_have_nand_16bit();
+	/* setup bus-width (8 or 16) */
+	if (ek_nand_data.bus_width_16)
+		ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
+	else
+		ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
+
+	/* configure chip-select 3 (NAND) */
+	sam9_smc_configure(0, 3, &ek_nand_smc_config);
+
+	at91_add_device_nand(&ek_nand_data);
+}
+
+
+/*
+ * MCI (SD/MMC)
+ * wp_pin and vcc_pin are not connected
+ */
+static struct mci_platform_data __initdata ek_mmc_data = {
+	.slot[1] = {
+		.bus_width	= 4,
+		.detect_pin	= AT91_PIN_PC9,
+		.wp_pin		= -EINVAL,
+	},
+
+};
+
+static void __init ek_add_device_mmc(void)
+{
+	if (ek_have_2mmc()) {
+		ek_mmc_data.slot[0].bus_width = 4;
+		ek_mmc_data.slot[0].detect_pin = AT91_PIN_PC2;
+		ek_mmc_data.slot[0].wp_pin = -1;