efDataStatistics connectTheSignalSlot.c 韩正义 commit at 2021-04-02

efDataStatistics/monitoringDataProcessing/connectTheSignalSlot.c

@@ -234,3 +234,171 @@ static int kurobox_pro_miconsend(const unsigned char *data, int count)
 
 	do {
 		/* Send data */
+		kurobox_pro_miconwrite(data, count);
+
+		/* send checksum */
+		kurobox_pro_miconwrite(&checksum, 1);
+
+		if (kurobox_pro_miconread(recv_buf, sizeof(recv_buf)) <= 3) {
+			printk(KERN_ERR ">%s: receive failed.\n", __func__);
+
+			/* send preamble to clear the receive buffer */
+			memset(&send_buf, 0xff, sizeof(send_buf));
+			kurobox_pro_miconwrite(send_buf, sizeof(send_buf));
+
+			/* make dummy reads */
+			mdelay(100);
+			kurobox_pro_miconread(recv_buf, sizeof(recv_buf));
+		} else {
+			/* Generate expected ack */
+			correct_ack[0] = 0x01;
+			correct_ack[1] = data[1];
+			correct_ack[2] = 0x00;
+
+			/* checksum Check */
+			if ((recv_buf[0] + recv_buf[1] + recv_buf[2] +
+			     recv_buf[3]) & 0xFF) {
+				printk(KERN_ERR ">%s: Checksum Error : "
+					"Received data[%02x, %02x, %02x, %02x]"
+					"\n", __func__, recv_buf[0],
+					recv_buf[1], recv_buf[2], recv_buf[3]);
+			} else {
+				/* Check Received Data */
+				if (correct_ack[0] == recv_buf[0] &&
+				    correct_ack[1] == recv_buf[1] &&
+				    correct_ack[2] == recv_buf[2]) {
+					/* Interval for next command */
+					mdelay(10);
+
+					/* Receive ACK */
+					return 0;
+				}
+			}
+			/* Received NAK or illegal Data */
+			printk(KERN_ERR ">%s: Error : NAK or Illegal Data "
+					"Received\n", __func__);
+		}
+	} while (retry--);
+
+	/* Interval for next command */
+	mdelay(10);
+
+	return -1;
+}
+
+static void kurobox_pro_power_off(void)
+{
+	const unsigned char watchdogkill[]	= {0x01, 0x35, 0x00};
+	const unsigned char shutdownwait[]	= {0x00, 0x0c};
+	const unsigned char poweroff[]		= {0x00, 0x06};
+	/* 38400 baud divisor */
+	const unsigned divisor = ((orion5x_tclk + (8 * 38400)) / (16 * 38400));
+
+	pr_info("%s: triggering power-off...\n", __func__);
+
+	/* hijack uart1 and reset into sane state (38400,8n1,even parity) */
+	writel(0x83, UART1_REG(LCR));
+	writel(divisor & 0xff, UART1_REG(DLL));
+	writel((divisor >> 8) & 0xff, UART1_REG(DLM));
+	writel(0x1b, UART1_REG(LCR));
+	writel(0x00, UART1_REG(IER));
+	writel(0x07, UART1_REG(FCR));
+	writel(0x00, UART1_REG(MCR));
+
+	/* Send the commands to shutdown the Kurobox Pro */
+	kurobox_pro_miconsend(watchdogkill, sizeof(watchdogkill)) ;
+	kurobox_pro_miconsend(shutdownwait, sizeof(shutdownwait)) ;
+	kurobox_pro_miconsend(poweroff, sizeof(poweroff));
+}
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static unsigned int kurobox_pro_mpp_modes[] __initdata = {
+	MPP0_UNUSED,
+	MPP1_UNUSED,
+	MPP2_GPIO,		/* GPIO Micon */
+	MPP3_GPIO,		/* GPIO Rtc */
+	MPP4_UNUSED,
+	MPP5_UNUSED,
+	MPP6_NAND,		/* NAND Flash REn */
+	MPP7_NAND,		/* NAND Flash WEn */
+	MPP8_UNUSED,
+	MPP9_UNUSED,
+	MPP10_UNUSED,
+	MPP11_UNUSED,
+	MPP12_SATA_LED,		/* SATA 0 presence */
+	MPP13_SATA_LED,		/* SATA 1 presence */
+	MPP14_SATA_LED,		/* SATA 0 active */
+	MPP15_SATA_LED,		/* SATA 1 active */
+	MPP16_UART,		/* UART1 RXD */
+	MPP17_UART,		/* UART1 TXD */
+	MPP18_UART,		/* UART1 CTSn */
+	MPP19_UART,		/* UART1 RTSn */
+	0,
+};
+
+static void __init kurobox_pro_init(void)
+{
+	/*
+	 * Setup basic Orion functions. Need to be called early.
+	 */
+	orion5x_init();
+
+	orion5x_mpp_conf(kurobox_pro_mpp_modes);
+
+	/*
+	 * Configure peripherals.
+	 */
+	orion5x_ehci0_init();
+	orion5x_ehci1_init();
+	orion5x_eth_init(&kurobox_pro_eth_data);
+	orion5x_i2c_init();
+	orion5x_sata_init(&kurobox_pro_sata_data);
+	orion5x_uart0_init();
+	orion5x_uart1_init();
+	orion5x_xor_init();
+
+	orion5x_setup_dev_boot_win(KUROBOX_PRO_NOR_BOOT_BASE,
+				   KUROBOX_PRO_NOR_BOOT_SIZE);
+	platform_device_register(&kurobox_pro_nor_flash);
+
+	if (machine_is_kurobox_pro()) {
+		orion5x_setup_dev0_win(KUROBOX_PRO_NAND_BASE,
+				       KUROBOX_PRO_NAND_SIZE);
+		platform_device_register(&kurobox_pro_nand_flash);
+	}
+
+	i2c_register_board_info(0, &kurobox_pro_i2c_rtc, 1);
+
+	/* register Kurobox Pro specific power-off method */
+	pm_power_off = kurobox_pro_power_off;
+}
+
+#ifdef CONFIG_MACH_KUROBOX_PRO
+MACHINE_START(KUROBOX_PRO, "Buffalo/Revogear Kurobox Pro")
+	/* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
+	.atag_offset	= 0x100,
+	.init_machine	= kurobox_pro_init,
+	.map_io		= orion5x_map_io,
+	.init_early	= orion5x_init_early,
+	.init_irq	= orion5x_init_irq,
+	.timer		= &orion5x_timer,
+	.fixup		= tag_fixup_mem32,
+	.restart	= orion5x_restart,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_LINKSTATION_PRO
+MACHINE_START(LINKSTATION_PRO, "Buffalo Linkstation Pro/Live")
+	/* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
+	.atag_offset	= 0x100,
+	.init_machine	= kurobox_pro_init,
+	.map_io		= orion5x_map_io,
+	.init_early	= orion5x_init_early,
+	.init_irq	= orion5x_init_irq,
+	.timer		= &orion5x_timer,
+	.fixup		= tag_fixup_mem32,
+	.restart	= orion5x_restart,
+MACHINE_END
+#endif