Add MACHINE_SWTGW218AS; do not set a default MACHINE, but force the user the choose one

machine.c

@@ -179,6 +179,40 @@ __code const struct machine machine = {
 
 void machine_custom_init(void) { }
 
+#elif defined MACHINE_SWTGW218AS
+
+__code const struct machine machine = {
+	.machine_name = "SWTGW218AS 8+1 SFP Port Managed Switch",
+	.isRTL8373 = 1,
+	.min_port = 0,
+	.max_port = 8,
+	.n_sfp = 1,
+	.log_to_phys_port = {1, 2, 3, 4, 5, 6, 7, 8, 9},
+	.phys_to_log_port = {0, 1, 2, 3, 4, 5, 6, 7, 8},
+	.is_sfp = {0, 0, 0, 0, 0, 0, 0, 0, 1},
+	.sfp_port[0].pin_detect = GPIO30_ACL_BIT3_EN,
+	.sfp_port[0].pin_los = GPIO37,
+	.sfp_port[0].pin_tx_disable = GPIO_NA,
+	.sfp_port[0].sds = 1,
+	.sfp_port[0].i2c = { .sda = GPIO39_I2C_SDA4, .scl = GPIO40_I2C_SCL3_MDC1 },
+	.reset_pin = GPIO_NA,
+	.high_leds = { .mux = LED_27 | LED_28 | LED_29, .enable = LED_28 | LED_29 },
+	.port_led_set = { 0, 0, 0, 0, 0, 0, 0, 0, 1},
+	.led_sets = { { LEDS_2G5 | LEDS_LINK | LEDS_ACT, // Green LED (right)
+					0, // unused
+					LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT, // Amber LED (left)
+					0
+				  }, // unused
+				  { LEDS_10G | LEDS_LINK | LEDS_ACT, // SFP LED
+					0, // unused
+					0, // unused
+					0
+				  }, // unused		    	},
+				},
+};
+
+void machine_custom_init(void) { }
+
 #elif defined DEFAULT_8C_1SFP
 __code const struct machine machine = {
 	.machine_name = "8+1 SFP Port Switch",
@@ -231,4 +265,6 @@ __code const struct machine machine = {
 
 void machine_custom_init(void) { }
 
+#else
+	#error "Please select a machine type in machine.h"
 #endif