waterDataStatisticsCrossAssociation hiddenDangerAnalysis.c 徐寅秋 commit at 2021-03-04

waterDataStatisticsCrossAssociation/waterTankDataAssociation/hiddenDangerAnalysis.c

@@ -762,3 +762,105 @@ static mfp_cfg_t viper_pin_config[] __initdata = {
 
 	/* PC/104 Interrupt */
 	GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,	/* VIPER_CPLD_GPIO */
+};
+
+static unsigned long viper_tpm;
+
+static int __init viper_tpm_setup(char *str)
+{
+	return strict_strtoul(str, 10, &viper_tpm) >= 0;
+}
+
+__setup("tpm=", viper_tpm_setup);
+
+static void __init viper_tpm_init(void)
+{
+	struct platform_device *tpm_device;
+	struct i2c_gpio_platform_data i2c_tpm_data = {
+		.sda_pin = VIPER_TPM_I2C_SDA_GPIO,
+		.scl_pin = VIPER_TPM_I2C_SCL_GPIO,
+		.udelay  = 10,
+		.timeout = HZ,
+	};
+	char *errstr;
+
+	/* Allocate TPM i2c bus if requested */
+	if (!viper_tpm)
+		return;
+
+	tpm_device = platform_device_alloc("i2c-gpio", 2);
+	if (tpm_device) {
+		if (!platform_device_add_data(tpm_device,
+					      &i2c_tpm_data,
+					      sizeof(i2c_tpm_data))) {
+			if (platform_device_add(tpm_device)) {
+				errstr = "register TPM i2c bus";
+				goto error_free_tpm;
+			}
+		} else {
+			errstr = "allocate TPM i2c bus data";
+			goto error_free_tpm;
+		}
+	} else {
+		errstr = "allocate TPM i2c device";
+		goto error_tpm;
+	}
+
+	return;
+
+error_free_tpm:
+	kfree(tpm_device);
+error_tpm:
+	pr_err("viper: Couldn't %s, giving up\n", errstr);
+}
+
+static void __init viper_init_vcore_gpios(void)
+{
+	if (gpio_request(VIPER_PSU_DATA_GPIO, "PSU data"))
+		goto err_request_data;
+
+	if (gpio_request(VIPER_PSU_CLK_GPIO, "PSU clock"))
+		goto err_request_clk;
+
+	if (gpio_request(VIPER_PSU_nCS_LD_GPIO, "PSU cs"))
+		goto err_request_cs;
+
+	if (gpio_direction_output(VIPER_PSU_DATA_GPIO, 0) ||
+	    gpio_direction_output(VIPER_PSU_CLK_GPIO, 0) ||
+	    gpio_direction_output(VIPER_PSU_nCS_LD_GPIO, 0))
+		goto err_dir;
+
+	/* c/should assume redboot set the correct level ??? */
+	viper_set_core_cpu_voltage(get_clk_frequency_khz(0), 1);
+
+	return;
+
+err_dir:
+	gpio_free(VIPER_PSU_nCS_LD_GPIO);
+err_request_cs:
+	gpio_free(VIPER_PSU_CLK_GPIO);
+err_request_clk:
+	gpio_free(VIPER_PSU_DATA_GPIO);
+err_request_data:
+	pr_err("viper: Failed to setup vcore control GPIOs\n");
+}
+
+static void __init viper_init_serial_gpio(void)
+{
+	if (gpio_request(VIPER_UART_SHDN_GPIO, "UARTs shutdown"))
+		goto err_request;
+
+	if (gpio_direction_output(VIPER_UART_SHDN_GPIO, 0))
+		goto err_dir;
+
+	return;
+
+err_dir:
+	gpio_free(VIPER_UART_SHDN_GPIO);
+err_request:
+	pr_err("viper: Failed to setup UART shutdown GPIO\n");
+}
+
+#ifdef CONFIG_CPU_FREQ
+static int viper_cpufreq_notifier(struct notifier_block *nb,
+				  unsigned long val, void *data)