From 7a57416e4c7287f1a41b2bdc828caeb8dd16e4e3 Mon Sep 17 00:00:00 2001
From: logicog <git@logicog.de>
Date: Thu, 29 Jan 2026 19:03:02 +0100
Subject: [PATCH 1/8] Add MACHINE_HG0402XG_V1_1

---
 machine.c       | 22 ++++++++++++++++++++++
 machine.h       |  2 +-
 rtl837x_regs.h  |  1 +
 rtlplayground.c | 43 +++++++++++++++++++++++++++++++++++++++++--
 4 files changed, 65 insertions(+), 3 deletions(-)

diff --git a/machine.c b/machine.c
index 60aeac7..aaa5303 100644
--- a/machine.c
+++ b/machine.c
@@ -83,6 +83,28 @@ __code const struct machine machine = {
 	.reset_pin = GPIO36_PWM_OUT,
 };
 
+#elif defined MACHINE_HG0402XG_V1_1
+__code const struct machine machine = {
+	.machine_name = "HG0402XG V1.1",
+	.isRTL8373 = 0,
+	.min_port = 3,
+	.max_port = 8,
+	.n_sfp = 2,
+	.log_to_phys_port = {0, 0, 0, 5, 1, 2, 3, 4, 6},
+	.phys_to_log_port = {4, 5, 6, 7, 3, 8, 0, 0, 0},
+	.is_sfp = {0, 0, 0, 2, 0, 0, 0, 0, 1},
+	.sfp_port[0].pin_detect = 50,
+	.sfp_port[0].pin_los = 10,
+	.sfp_port[0].pin_tx_disable = 0xFF,
+	.sfp_port[0].sds = 1,
+	.sfp_port[0].i2c_bus ={ .sda = GPIO41_I2C_SDA3_MDIO1, .scl = GPIO40_I2C_SCL3_MDC1 },
+	.sfp_port[1].pin_detect = 30,
+	.sfp_port[1].pin_los = 51,
+	.sfp_port[1].pin_tx_disable = 0xFF,
+	.sfp_port[1].sds = 0,
+	.sfp_port[1].i2c_bus = { .sda = GPIO39_I2C_SDA4, .scl = GPIO40_I2C_SCL3_MDC1 },
+};
+
 #elif defined DEFAULT_8C_1SFP
 __code const struct machine machine = {
 	.machine_name = "8+1 SFP Port Switch",
diff --git a/machine.h b/machine.h
index 24de207..5bb02ce 100644
--- a/machine.h
+++ b/machine.h
@@ -12,7 +12,7 @@
 // #define MACHINE_SWGT024_V2_0
 // #define MACHINE_HORACO_ZX_SG4T2
 // #define MACHINE_TRENDNET_TEG_S562
-
+// #define MACHINE_HG0402XG_V1_1
 // #define DEFAULT_8C_1SFP
 
 // #define DEFAULT_5C_1SFP
diff --git a/rtl837x_regs.h b/rtl837x_regs.h
index b6d0e54..473024a 100644
--- a/rtl837x_regs.h
+++ b/rtl837x_regs.h
@@ -24,6 +24,7 @@
 // Blink rate is defined by setAsicRegBits(0x6520,0xe00000,rate);
 #define RTL837X_REG_LED_GLB_IO_EN	0x65DC
 #define RTL837X_REG_LED3_0_SET1		0x6528
+#define RTL837X_REG_LED1_0_SET1		0x6540
 #define RTL837X_REG_LED3_2_SET0		0x6544
 #define RTL837X_REG_LED1_0_SET0		0x6548
 
diff --git a/rtlplayground.c b/rtlplayground.c
index 129b8e7..add7643 100644
--- a/rtlplayground.c
+++ b/rtlplayground.c
@@ -1500,6 +1500,44 @@ void set_sys_led_state(uint8_t state)
 	reg_write_m(RTL837X_REG_LED_MODE);
 }
 
+
+#ifdef MACHINE_HG0402XG_V1_1
+void led_config(void)
+{
+	reg_read_m(RTL837X_REG_LED_MODE);
+	sfr_mask_data(2, 0xe0, 0x23); 	// Mask blink rate field (0xe0), set blink rate and LED to solid (set bit 1 = bit 17 overal
+	// Configure led-mode (serial?)
+	sfr_data[2] = 0xe6;
+	sfr_data[3] = 0xb0;
+	reg_write_m(RTL837X_REG_LED_MODE);
+	// Disable RLDP (Realtek Loop Detection Protocol) LEDs on loop detection
+	reg_read_m(RTL837X_REG_LED_RLDP_1);
+	sfr_mask_data(0, 0x03, 0);
+	reg_write_m(RTL837X_REG_LED_RLDP_1);
+	REG_SET(RTL837X_REG_LED_RLDP_2, 0xffff0000);	// Ports 0-7 0x65fc
+	REG_SET(RTL837X_REG_LED_RLDP_3, 0x0000000f);	// Port 8
+
+	reg_bit_set(RTL837X_REG_LED_GLB_IO_EN, 29);
+	reg_bit_clear(RTL837X_REG_LED_GLB_IO_EN, 27);
+	reg_bit_set(RTL837X_PIN_MUX_0, 29);
+	reg_bit_set(RTL837X_PIN_MUX_0, 27);
+
+	REG_SET(RTL837X_REG_LED1_0_SET0, 0x141); // 0x6548
+	reg_read_m(RTL837X_REG_LED3_2_SET0);
+	sfr_data[2] = 0x01;
+	sfr_data[3] = 0x74;
+	reg_write_m(RTL837X_REG_LED3_2_SET0);
+	reg_read_m(RTL837X_REG_LED1_0_SET1); // 6540
+	sfr_data[2] = 0x01;
+	sfr_data[3] = 0x7f;
+	reg_write_m(RTL837X_REG_LED1_0_SET1);
+
+	reg_read_m(RTL837X_REG_LED3_0_SET1);
+	sfr_data[1] |= 0x0f;
+	reg_write_m(RTL837X_REG_LED3_0_SET1);
+}
+
+#else
 void led_config(void)
 {
 	// LED initialization
@@ -1548,6 +1586,7 @@ void led_config(void)
 	sfr_data[3] = 0x11;
 	reg_write_m(RTL837X_REG_LED3_0_SET1);
 }
+#endif
 
 void rtl8373_revision(void)
 {
@@ -1992,7 +2031,7 @@ void bootloader(void)
 	flash_region.addr = FIRMWARE_UPLOAD_START;
 	flash_region.len = 0x100;
 	flash_read_bulk(flash_buf);
-
+#ifndef MACHINE_HG0402XG_V1_1
 	if (flash_buf[0] == 0x00 && flash_buf[1] == 0x40) {
 		__xdata uint32_t dest = 0x0;
 		__xdata uint32_t source = FIRMWARE_UPLOAD_START;
@@ -2063,7 +2102,7 @@ void bootloader(void)
 			dest += 0x1000;
 		}
 	}
-
+#endif
 	set_sys_led_state(SYS_LED_SLOW);
 
 #ifdef DEBUG

From 9424aa3a3b0258e5976f86406b65e7ca7f9b5d86 Mon Sep 17 00:00:00 2001
From: logicog <git@logicog.de>
Date: Sat, 31 Jan 2026 13:41:02 +0100
Subject: [PATCH 2/8] LED configuration support

---
 Makefile        |   2 +-
 rtl837x_leds.c  | 130 ++++++++++++++++++++++++++++++++++++++++++++++++
 rtl837x_leds.h  |   7 +++
 rtl837x_regs.h  |   6 +++
 rtlplayground.c |   2 +
 5 files changed, 146 insertions(+), 1 deletion(-)
 create mode 100644 rtl837x_leds.c
 create mode 100644 rtl837x_leds.h

diff --git a/Makefile b/Makefile
index fb02001..a6a2bf5 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,7 @@ all: create_build_dir $(VERSION_HEADER) $(SUBDIRS) $(BUILDDIR)rtlplayground.bin
 create_build_dir:
 	mkdir -p $(BUILDDIR)
 
-SRCS = rtlplayground.c rtl837x_flash.c rtl837x_phy.c rtl837x_port.c cmd_parser.c html_data.c rtl837x_igmp.c rtl837x_stp.c rtl837x_pins.c dhcp.c machine.c
+SRCS = rtlplayground.c rtl837x_flash.c rtl837x_leds.c rtl837x_phy.c rtl837x_port.c cmd_parser.c html_data.c rtl837x_igmp.c rtl837x_stp.c rtl837x_pins.c dhcp.c machine.c
 OBJS = ${SRCS:%.c=$(BUILDDIR)%.rel}
 OBJS += uip/$(BUILDDIR)/timer.rel uip/$(BUILDDIR)/uip-fw.rel uip/$(BUILDDIR)/uip-neighbor.rel uip/$(BUILDDIR)/uip-split.rel uip/$(BUILDDIR)/uip.rel uip/$(BUILDDIR)/uip_arp.rel uip/$(BUILDDIR)/uiplib.rel httpd/$(BUILDDIR)/httpd.rel httpd/$(BUILDDIR)/page_impl.rel
 
diff --git a/rtl837x_leds.c b/rtl837x_leds.c
new file mode 100644
index 0000000..4bf38e0
--- /dev/null
+++ b/rtl837x_leds.c
@@ -0,0 +1,130 @@
+/*
+ * This is a driver implementation for the IGMP features for the RTL827x platform
+ * This code is in the Public Domain
+ */
+
+// #define REGDBG
+// #define DEBUG
+
+#define IPMC_USES_L3MC
+
+#include <stdint.h>
+#include "rtl837x_common.h"
+#include "rtl837x_sfr.h"
+#include "rtl837x_regs.h"
+#include "rtl837x_leds.h"
+#include "machine.h"
+
+extern __code struct machine machine;
+
+#include "uip.h"
+
+#pragma codeseg BANK2
+#pragma constseg BANK2
+
+extern __xdata uint8_t sfr_data[4];
+
+void leds_dump(void) __banked
+{
+	print_string("RTL837X_REG_LED_GLB_IO_EN: "); print_reg(RTL837X_REG_LED_GLB_IO_EN); write_char('\n');
+	print_string("RTL837X_REG_LED1_0_SET0: "); print_reg(RTL837X_REG_LED1_0_SET0); write_char('\n');
+	print_string("RTL837X_REG_LED3_2_SET0: "); print_reg(RTL837X_REG_LED3_2_SET0); write_char('\n');
+	print_string("RTL837X_REG_LED1_0_SET1: "); print_reg(RTL837X_REG_LED1_0_SET1); write_char('\n');
+	print_string("RTL837X_REG_LED3_2_SET1: "); print_reg(RTL837X_REG_LED3_2_SET1); write_char('\n');
+	print_string("RTL837X_REG_LED1_0_SET2: "); print_reg(RTL837X_REG_LED1_0_SET2); write_char('\n');
+	print_string("RTL837X_REG_LED3_2_SET2: "); print_reg(RTL837X_REG_LED3_2_SET2); write_char('\n');
+	print_string("RTL837X_REG_LED1_0_SET3: "); print_reg(RTL837X_REG_LED1_0_SET3); write_char('\n');
+	print_string("RTL837X_REG_LED3_0_SET1: "); print_reg(RTL837X_REG_LED3_0_SET1); write_char('\n');
+	print_string("RTL837X_REG_LED3_0_SET3: "); print_reg(RTL837X_REG_LED3_0_SET3); write_char('\n');
+	print_string("RTL837X_LED_PORT_SET_SEL: "); print_reg(RTL837X_LED_PORT_SET_SEL); write_char('\n');
+	print_string("LED Configuration:\n");
+	print_string("LED-ID\t\t0\t\t1\t\t2\t\t3\n");
+	for (uint8_t set = 0; set < 4; set++) {
+		print_string("SET "); write_char('0' + set); write_char(':');
+		for (uint8_t ledid = 0; ledid < 4; ledid++) {
+			print_string("\t   ");
+			uint8_t b;
+			if (set < 2) {
+				reg_read_m(RTL837X_REG_LED3_0_SET1);
+				b = sfr_data[3-((set << 1) + (ledid >> 1))];
+				print_byte(ledid & 1 ? b >> 4 : b & 0xf);
+			} else {
+				reg_read_m(RTL837X_REG_LED3_0_SET3);
+				b = sfr_data[3-(((set-2) << 1) + (ledid >> 1))];
+				print_byte(ledid & 1 ? b >> 4 : b & 0xf);
+			}
+			reg_read_m(RTL837X_REG_LED1_0_SET0 - set * 8 - ((ledid >> 1) * 4));
+			if (! (ledid & 1)) { // LEDID 0, 2
+				print_byte(sfr_data[2]); print_byte(sfr_data[3]);
+			} else {
+				print_byte(sfr_data[0]); print_byte(sfr_data[1]);
+			}
+		}
+		write_char('\n');
+	}
+	for (uint8_t i = machine.min_port; i <= machine.max_port; i++) {
+		reg_read_m(RTL837X_LED_PORT_SET_SEL);
+		uint8_t set = sfr_data[3 - (i >> 2)];
+		set = (set >> ((i & 3) << 1));
+		print_string("Port "); write_char('0' + i); print_string(": SET ");
+		write_char('0' + set);
+		print_string(": ");
+		for (uint8_t ledid = 0; ledid < 4; ledid++) {
+			write_char('(');
+			reg_read_m(RTL837X_REG_LED1_0_SET0 - set * 8 - ((ledid >> 1) * 4));
+			if (ledid & 1) {  // LEDID 1, 3
+				sfr_data[2] = sfr_data[0];
+				sfr_data[3] = sfr_data[1];
+			}
+			if (sfr_data[3] & 0x01)
+				print_string(" 2G5");
+			if (sfr_data[3] & 0x02)
+				print_string(" TWO_1G");
+			if (sfr_data[3] & 0x04)
+				print_string(" 1G");
+			if (sfr_data[3] & 0x08)
+				print_string(" 500M");
+			if (sfr_data[3] & 0x10)
+				print_string(" 100M");
+			if (sfr_data[3] & 0x20)
+				print_string(" 10M");
+			if (sfr_data[3] & 0x40)
+				print_string(" LINK");
+			if (sfr_data[3] & 0x80)
+				print_string(" LINK_FLASH");
+			if (sfr_data[2] & 0x01)
+				print_string(" ACT");
+			if (sfr_data[2] & 0x02)
+				print_string(" RX");
+			if (sfr_data[2] & 0x04)
+				print_string(" TX");
+			if (sfr_data[2] & 0x00)
+				print_string(" COL");
+			if (sfr_data[2] & 0x10)
+				print_string(" DUPLEX");
+			if (sfr_data[2] & 0x20)
+				print_string(" TRAINING");
+			if (sfr_data[2] & 0x40)
+				print_string(" MASTER");
+			uint8_t b;
+			if (set < 2) {
+				reg_read_m(RTL837X_REG_LED3_0_SET1);
+				b = sfr_data[3-((set << 1) + (ledid >> 1))];
+			} else {
+				reg_read_m(RTL837X_REG_LED3_0_SET3);
+				b = sfr_data[3-(((set-2) << 1) + (ledid >> 1))];
+			}
+			b = ledid & 1 ? b >> 4 : b & 0xf;
+			if (b & 0x1)
+				print_string(" 10G");
+			if (b & 0x2)
+				print_string(" TWO_5G");
+			if (b & 0x4)
+				print_string(" 5G");
+			if (b & 0x8)
+				print_string(" TWO_2G5");
+			print_string("), ");
+		}
+		write_char('\n');
+	}
+}
diff --git a/rtl837x_leds.h b/rtl837x_leds.h
new file mode 100644
index 0000000..e616c31
--- /dev/null
+++ b/rtl837x_leds.h
@@ -0,0 +1,7 @@
+#ifndef _RTL837X_LEDS_H_
+#define _RTL837X_LEDS_H_
+
+#include <stdint.h>
+void leds_dump(void) __banked;
+
+#endif
diff --git a/rtl837x_regs.h b/rtl837x_regs.h
index 473024a..6232a42 100644
--- a/rtl837x_regs.h
+++ b/rtl837x_regs.h
@@ -23,10 +23,16 @@
 // Bytes 0/1 hold the LED mode, e.g. serial, RTL8231?
 // Blink rate is defined by setAsicRegBits(0x6520,0xe00000,rate);
 #define RTL837X_REG_LED_GLB_IO_EN	0x65DC
+#define RTL837X_REG_LED3_0_SET3		0x6524
 #define RTL837X_REG_LED3_0_SET1		0x6528
+#define RTL837X_REG_LED1_0_SET3		0x6530
+#define RTL837X_REG_LED3_2_SET2		0x6534
+#define RTL837X_REG_LED1_0_SET2		0x6538
+#define RTL837X_REG_LED3_2_SET1		0x653C
 #define RTL837X_REG_LED1_0_SET1		0x6540
 #define RTL837X_REG_LED3_2_SET0		0x6544
 #define RTL837X_REG_LED1_0_SET0		0x6548
+#define RTL837X_LED_PORT_SET_SEL	0x654c
 
 // SMI control
 #define RTL837X_REG_SMI_PORT0_5_ADDR	0x644C
diff --git a/rtlplayground.c b/rtlplayground.c
index add7643..f0989fe 100644
--- a/rtlplayground.c
+++ b/rtlplayground.c
@@ -13,6 +13,7 @@
 #include "rtl837x_port.h"
 #include "rtl837x_stp.h"
 #include "rtl837x_igmp.h"
+#include "rtl837x_leds.h"
 #include "dhcp.h"
 #include "cmd_parser.h"
 #include "uip/uipopt.h"
@@ -2104,6 +2105,7 @@ void bootloader(void)
 	}
 #endif
 	set_sys_led_state(SYS_LED_SLOW);
+	leds_dump();
 
 #ifdef DEBUG
 	// This register seems to work on the RTL8373 only if also the SDS

From 196e430ec63df11726573a84aeefe56658be1933 Mon Sep 17 00:00:00 2001
From: logicog <git@logicog.de>
Date: Sat, 31 Jan 2026 13:09:06 +0100
Subject: [PATCH 3/8] Remove debug output

---
 rtl837x_igmp.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/rtl837x_igmp.c b/rtl837x_igmp.c
index 21dadf4..e36dda6 100644
--- a/rtl837x_igmp.c
+++ b/rtl837x_igmp.c
@@ -118,11 +118,8 @@ void igmp_setup(void) __banked
 	 * For now the IGMP protocols are flooded (01), MLD which MAC-based is handled by ASIC
 	 * All messages are allowed and maximum MC group is 0xff
 	 */
-	for (i = machine.min_port; i <= machine.max_port; i++) {
-		print_byte(i); write_char(':');
+	for (i = machine.min_port; i <= machine.max_port; i++)
 		REG_SET(RTL837X_IGMP_PORT_CFG + (i << 2), IGMP_MAX_GROUP | IGMP_PROTOCOL_ENABLE | IGMP_FLOOD);
-		write_char('\n');
-	}
 
 /*	// Allow all physical ports to be dynamic router ports
 	reg_read_m(RTL837X_IGMP_ROUTER_PORT);

From 9aaddcd9b9e55eba86e3841e58f752815586b887 Mon Sep 17 00:00:00 2001
From: logicog <git@logicog.de>
Date: Sun, 25 Jan 2026 10:36:03 +0100
Subject: [PATCH 4/8] Reduce DSEG usage as we need 1 OSEG byte

---
 cmd_parser.c    | 4 ++--
 rtlplayground.c | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/cmd_parser.c b/cmd_parser.c
index 33e4101..afc1408 100644
--- a/cmd_parser.c
+++ b/cmd_parser.c
@@ -156,7 +156,7 @@ uint8_t atoi_hex(uint8_t idx)
 
 uint8_t atoi_short(register uint16_t *vlan, register uint8_t idx)
 {
-	uint8_t err = 1;
+	__xdata uint8_t err = 1;
 	*vlan = 0;
 
 	while (isnumber(cmd_buffer[idx])) {
@@ -1018,7 +1018,7 @@ void execute_config(void) __banked
 		flash_region.len = FLASH_READ_BURST_SIZE;
 		flash_read_bulk(flash_buf);
 
-		uint8_t cfg_idx = 0;
+		__xdata uint8_t cfg_idx = 0;
 		uint8_t c = 0;
 		do {
 			for (uint8_t cmd_idx = 0; cmd_idx < (SBUF_SIZE - 1); cmd_idx++) {
diff --git a/rtlplayground.c b/rtlplayground.c
index f0989fe..938928e 100644
--- a/rtlplayground.c
+++ b/rtlplayground.c
@@ -631,12 +631,14 @@ void print_reg(uint16_t reg)
 }
 
 
+/*
+// TODO: This uses 2 DSEG bytes and is not used!
 void print_sds_reg(uint8_t sds_id, uint8_t page, uint8_t reg)
 {
 	sds_read(sds_id, page, reg);
 	print_phy_data();
 }
-
+*/
 
 char cmp_4(__xdata uint8_t a[], __xdata uint8_t b[])
 {

From 8cae3f1212ebc22a4a2c3cff8d28479c19db62f1 Mon Sep 17 00:00:00 2001
From: logicog <git@logicog.de>
Date: Sun, 1 Feb 2026 11:42:16 +0100
Subject: [PATCH 5/8] Add generic LED configuration support

---
 rtl837x_leds.c | 109 ++++++++++++++++++++++++++++++++++++++++++++++---
 rtl837x_leds.h |  21 ++++++++++
 2 files changed, 124 insertions(+), 6 deletions(-)

diff --git a/rtl837x_leds.c b/rtl837x_leds.c
index 4bf38e0..c641af9 100644
--- a/rtl837x_leds.c
+++ b/rtl837x_leds.c
@@ -26,6 +26,7 @@ extern __xdata uint8_t sfr_data[4];
 
 void leds_dump(void) __banked
 {
+	print_string("RTL837X_PIN_MUX_0: "); print_reg(RTL837X_PIN_MUX_0); write_char('\n');
 	print_string("RTL837X_REG_LED_GLB_IO_EN: "); print_reg(RTL837X_REG_LED_GLB_IO_EN); write_char('\n');
 	print_string("RTL837X_REG_LED1_0_SET0: "); print_reg(RTL837X_REG_LED1_0_SET0); write_char('\n');
 	print_string("RTL837X_REG_LED3_2_SET0: "); print_reg(RTL837X_REG_LED3_2_SET0); write_char('\n');
@@ -39,9 +40,9 @@ void leds_dump(void) __banked
 	print_string("RTL837X_LED_PORT_SET_SEL: "); print_reg(RTL837X_LED_PORT_SET_SEL); write_char('\n');
 	print_string("LED Configuration:\n");
 	print_string("LED-ID\t\t0\t\t1\t\t2\t\t3\n");
-	for (uint8_t set = 0; set < 4; set++) {
+	for (__xdata uint8_t set = 0; set < 4; set++) {
 		print_string("SET "); write_char('0' + set); write_char(':');
-		for (uint8_t ledid = 0; ledid < 4; ledid++) {
+		for (__xdata uint8_t ledid = 0; ledid < 4; ledid++) {
 			print_string("\t   ");
 			uint8_t b;
 			if (set < 2) {
@@ -64,12 +65,12 @@ void leds_dump(void) __banked
 	}
 	for (uint8_t i = machine.min_port; i <= machine.max_port; i++) {
 		reg_read_m(RTL837X_LED_PORT_SET_SEL);
-		uint8_t set = sfr_data[3 - (i >> 2)];
+		__xdata uint8_t set = sfr_data[3 - (i >> 2)];
 		set = (set >> ((i & 3) << 1));
 		print_string("Port "); write_char('0' + i); print_string(": SET ");
 		write_char('0' + set);
 		print_string(": ");
-		for (uint8_t ledid = 0; ledid < 4; ledid++) {
+		for (__xdata uint8_t ledid = 0; ledid < 4; ledid++) {
 			write_char('(');
 			reg_read_m(RTL837X_REG_LED1_0_SET0 - set * 8 - ((ledid >> 1) * 4));
 			if (ledid & 1) {  // LEDID 1, 3
@@ -98,7 +99,7 @@ void leds_dump(void) __banked
 				print_string(" RX");
 			if (sfr_data[2] & 0x04)
 				print_string(" TX");
-			if (sfr_data[2] & 0x00)
+			if (sfr_data[2] & 0x08)
 				print_string(" COL");
 			if (sfr_data[2] & 0x10)
 				print_string(" DUPLEX");
@@ -106,7 +107,7 @@ void leds_dump(void) __banked
 				print_string(" TRAINING");
 			if (sfr_data[2] & 0x40)
 				print_string(" MASTER");
-			uint8_t b;
+			__xdata uint8_t b;
 			if (set < 2) {
 				reg_read_m(RTL837X_REG_LED3_0_SET1);
 				b = sfr_data[3-((set << 1) + (ledid >> 1))];
@@ -128,3 +129,99 @@ void leds_dump(void) __banked
 		write_char('\n');
 	}
 }
+
+
+void leds_setup(void) __banked
+{
+	print_string("leds_setup called\n");
+	REG_SET(RTL837X_REG_LED_MODE, 0x0021e6b0);
+
+	// Disable RLDP (Realtek Loop Detection Protocol) LEDs on loop detection
+	reg_read_m(RTL837X_REG_LED_RLDP_1);
+	sfr_mask_data(0, 0x03, 0);
+	reg_write_m(RTL837X_REG_LED_RLDP_1);
+
+	// Set up all Port-LEDs to belong to RLDP
+	sfr_data[3] = sfr_data[2] = sfr_data[1] = sfr_data[0] = 0;
+	for (uint8_t i = machine.min_port; i <= (machine.max_port > 7 ? 7 : machine.max_port); i++)
+		sfr_data[3 - (i >> 2)] |= i & 1 ? 0xf0 : 0x0f;
+	reg_write_m(RTL837X_REG_LED_RLDP_2);
+	if (machine.max_port == 8)
+		REG_SET(RTL837X_REG_LED_RLDP_3, 0x0000000f);	// Port 8
+
+	// Configure high LEDs 27-29: mux and LED enable
+	if (machine.high_leds.mux & LED_27)
+		reg_bit_set(RTL837X_PIN_MUX_0, 27);
+	else
+		reg_bit_clear(RTL837X_PIN_MUX_0, 27);
+
+	if (machine.high_leds.mux & LED_28)
+		reg_bit_set(RTL837X_PIN_MUX_0, 28);
+	else
+		reg_bit_clear(RTL837X_PIN_MUX_0, 28);
+
+	if (machine.high_leds.mux & LED_29)
+		reg_bit_set(RTL837X_PIN_MUX_0, 29);
+	else
+		reg_bit_clear(RTL837X_PIN_MUX_0, 29);
+
+	if (machine.high_leds.enable & LED_27)
+		reg_bit_set(RTL837X_REG_LED_GLB_IO_EN, 27);
+	else
+		reg_bit_clear(RTL837X_REG_LED_GLB_IO_EN, 27);
+
+	if (machine.high_leds.enable & LED_28)
+		reg_bit_set(RTL837X_REG_LED_GLB_IO_EN, 28);
+	else
+		reg_bit_clear(RTL837X_REG_LED_GLB_IO_EN, 28);
+
+	if (machine.high_leds.enable & LED_29)
+		reg_bit_set(RTL837X_REG_LED_GLB_IO_EN, 29);
+	else
+		reg_bit_clear(RTL837X_REG_LED_GLB_IO_EN, 29);
+		
+
+	// Configure the LED-set of a port
+	sfr_data[3] = sfr_data[2] = sfr_data[1] = sfr_data[0] = 0;
+	for (uint8_t i = machine.min_port; i <= machine.max_port; i++)
+		sfr_data[3 - (i >> 2)] |= machine.port_led_set[i] << ((i & 3) << 1);
+	reg_write_m(RTL837X_LED_PORT_SET_SEL);
+
+	// Configure the LED-sets
+	__code uint8_t * __xdata lptr = &machine.led_sets[0][0];
+	for (__xdata uint8_t set = 0; set < 4; set++) {
+		sfr_data[0] = *(lptr + 5);
+		sfr_data[1] = *(lptr + 4);
+		sfr_data[2] = *(lptr + 1);
+		sfr_data[3] = *(lptr);
+		reg_write_m(RTL837X_REG_LED1_0_SET0 - set * 8);
+
+		if (set < 2) {
+			reg_read_m(RTL837X_REG_LED3_0_SET1);
+			sfr_data[3 - (set << 1)] = (*(lptr + 6) << 4) | (*(lptr + 2));
+			reg_write_m(RTL837X_REG_LED3_0_SET1);
+		} else {
+			reg_read_m(RTL837X_REG_LED3_0_SET3);
+			sfr_data[3 - (set << 1)] = (*(lptr + 6) << 4) | (*(lptr + 2));
+			reg_write_m(RTL837X_REG_LED3_0_SET3);
+		}
+		lptr += 8;
+		sfr_data[0] = *(lptr + 5);
+		sfr_data[1] = *(lptr + 4);
+		sfr_data[2] = *(lptr + 1);
+		sfr_data[3] = *(lptr);
+		reg_write_m(RTL837X_REG_LED1_0_SET0 - set * 8 - 4);
+
+		if (set < 2) {
+			reg_read_m(RTL837X_REG_LED3_0_SET1);
+			sfr_data[2 - (set << 1)] = (*(lptr + 6) << 4) | (*(lptr + 2));
+			reg_write_m(RTL837X_REG_LED3_0_SET1);
+		} else {
+			reg_read_m(RTL837X_REG_LED3_0_SET3);
+			sfr_data[2 - (set << 1)] = (*(lptr + 6) << 4) | (*(lptr + 2));
+			reg_write_m(RTL837X_REG_LED3_0_SET3);
+		}
+		lptr += 8;
+	}
+	print_string("leds_setup done\n");
+}
diff --git a/rtl837x_leds.h b/rtl837x_leds.h
index e616c31..0ca1d20 100644
--- a/rtl837x_leds.h
+++ b/rtl837x_leds.h
@@ -1,7 +1,28 @@
 #ifndef _RTL837X_LEDS_H_
 #define _RTL837X_LEDS_H_
 
+#define LEDS_2G5		0x00001
+#define LEDS_TWO_PAIR_1G	0x00002
+#define LEDS_1G			0x00004
+#define LEDS_500M		0x00008
+#define LEDS_100M		0x00010
+#define LEDS_10M		0x00020
+#define LEDS_LINK		0x00040
+#define LEDS_LINK_FLASH		0x00080
+#define LEDS_ACT		0x00100
+#define LEDS_RX			0x00200
+#define LEDS_TX			0x00400
+#define LEDS_COL		0x00800
+#define LEDS_DUPLEX		0x01000
+#define LEDS_TRAINING		0x02000
+#define LEDS_MASTER		0x04000
+#define LEDS_10G		0x10000
+#define LEDS_TWO_PAIR_5G	0x20000
+#define LEDS_5G			0x40000
+#define LEDS_TWO_PAIR_2G5	0x80000
+
 #include <stdint.h>
 void leds_dump(void) __banked;
+void leds_setup(void) __banked;
 
 #endif

From 6af072eb2c5e382672d750115ffc02f330a5c9d6 Mon Sep 17 00:00:00 2001
From: logicog <git@logicog.de>
Date: Sun, 1 Feb 2026 11:42:43 +0100
Subject: [PATCH 6/8] Add LED configuration in machine profile

---
 machine.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 machine.h | 15 +++++++++++++
 2 files changed, 81 insertions(+)

diff --git a/machine.c b/machine.c
index aaa5303..0e93a68 100644
--- a/machine.c
+++ b/machine.c
@@ -1,5 +1,6 @@
 #include "machine.h"
 #include "rtl837x_pins.h"
+#include "rtl837x_leds.h"
 
 #ifdef MACHINE_KP_9000_6XHML_X2
 __code const struct machine machine = {
@@ -22,6 +23,18 @@ __code const struct machine machine = {
 	.sfp_port[1].sds = 1,
 	.sfp_port[1].i2c = { .sda = GPIO39_I2C_SDA4, .scl = GPIO40_I2C_SCL3_MDC1 },
 	.reset_pin = GPIO46_I2C_SCL0,
+	.high_leds = { .mux = LED_27 | LED_29, .enable = LED_28 | LED_29 },
+	.port_led_set = { 0, 0, 0, 0, 0, 0, 0, 0, 0},
+	/* Conditions for LED on: 
+	 * dual led orange: ledset_0 & ledset_2
+	 * dual led green: ledset_2 & !ledset_0
+	 * single right led green: ledset_0 & !ledset_1
+	*/
+	.led_sets = { { LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G,
+			LEDS_2G5 | LEDS_LINK | LEDS_10G,
+			LEDS_1G | LEDS_LINK, 
+			0 },
+		    },
 };
 #elif defined MACHINE_KP_9000_6XH_X
 __code const struct machine machine = {
@@ -37,8 +50,19 @@ __code const struct machine machine = {
 	.sfp_port[0].pin_los = GPIO37,
 	.sfp_port[0].pin_tx_disable = GPIO_NA,
 	.sfp_port[0].sds = 1,
+	.sfp_port[0].i2c_bus = { .sda = 4, .scl = 3 },
 	.sfp_port[0].i2c = { .sda = GPIO39_I2C_SDA4, .scl = GPIO40_I2C_SCL3_MDC1 },
 	.reset_pin = GPIO_NA,
+	/* Conditions for LED on: 
+	 * dual led orange: ledset_0 & ledset_2
+	 * dual led green: ledset_2 & !ledset_0
+	 * single right led green: ledset_0 & !ledset_1
+	*/
+	.led_sets = { { LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G,
+			LEDS_2G5 | LEDS_LINK | LEDS_10G,
+			LEDS_1G | LEDS_LINK, 
+			0 },
+		    },
 };
 #elif defined MACHINE_KP_9000_9XH_X_EU
 __code const struct machine machine = {
@@ -56,6 +80,13 @@ __code const struct machine machine = {
 	.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_29, .enable = LED_28 | LED_29 },
+	.port_led_set = { 0, 0, 0, 0, 0, 0, 0, 0, 0},
+	.led_sets = { { LEDS_2G5 | LEDS_TWO_PAIR_1G | LEDS_1G | LEDS_500M | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G | LEDS_TWO_PAIR_5G | LEDS_5G | LEDS_TWO_PAIR_2G5,
+			LEDS_2G5 | LEDS_LINK,
+			LEDS_1G | LEDS_LINK, 
+			LEDS_2G5 | LEDS_LINK | LEDS_ACT },
+		    },
 };
 
 #elif defined MACHINE_SWGT024_V2_0
@@ -81,6 +112,18 @@ __code const struct machine machine = {
 	.sfp_port[1].sds = 0,
 	.sfp_port[1].i2c = { .sda = GPIO41_I2C_SDA3_MDIO1, .scl = GPIO40_I2C_SCL3_MDC1 }, /* GPIO 40 */
 	.reset_pin = GPIO36_PWM_OUT,
+	.high_leds = { .mux = LED_27 | LED_29, .enable = LED_28 | LED_29 },
+	.port_led_set = { 0, 0, 0, 0, 0, 0, 0, 0, 0},
+	/* Conditions for LED on: 
+	 * dual led orange: ledset_0 & ledset_2
+	 * dual led green: ledset_2 & !ledset_0
+	 * single right led green: ledset_0 & !ledset_1
+	*/
+	.led_sets = { { LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G,
+			LEDS_2G5 | LEDS_LINK | LEDS_10G,
+			LEDS_1G | LEDS_LINK, 
+			0 },
+		    },
 };
 
 #elif defined MACHINE_HG0402XG_V1_1
@@ -103,6 +146,22 @@ __code const struct machine machine = {
 	.sfp_port[1].pin_tx_disable = 0xFF,
 	.sfp_port[1].sds = 0,
 	.sfp_port[1].i2c_bus = { .sda = GPIO39_I2C_SDA4, .scl = GPIO40_I2C_SCL3_MDC1 },
+	.reset_pin = GPIO_NA,
+	.high_leds = { .mux = LED_27 , .enable = LED_27 | LED_29 },
+	.port_led_set = { 0, 0, 0, 1, 0, 0, 0, 0, 1},
+	/* The Ethernet ports have 1 amber LED (left) and 1 green LED (right)
+	 * The SFP ports have also 1 amber LED and 1 green LED
+	 * Ethernet ports use LED-set 0, SFP ports use LED-set 1
+	 */
+	.led_sets = { { LEDS_10M | LEDS_LINK | LEDS_ACT,
+			LEDS_1G | LEDS_100M | LEDS_10M | LEDS_2G5 | LEDS_LINK | LEDS_ACT,
+			LEDS_2G5 | LEDS_LINK | LEDS_ACT, 
+			0 },
+			{ LEDS_100M | LEDS_10M | LEDS_LINK,
+			LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_10M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G,
+			LEDS_10G | LEDS_LINK, 
+			0 },
+		    },
 };
 
 #elif defined DEFAULT_8C_1SFP
@@ -121,6 +180,13 @@ __code const struct machine machine = {
 	.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_29, .enable = LED_28 | LED_29 },
+	.port_led_set = { 0, 0, 0, 0, 0, 0, 0, 0, 0},
+	.led_sets = { { LEDS_2G5 | LEDS_TWO_PAIR_1G | LEDS_1G | LEDS_500M | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G | LEDS_TWO_PAIR_5G | LEDS_5G | LEDS_TWO_PAIR_2G5,
+			LEDS_2G5 | LEDS_LINK,
+			LEDS_1G | LEDS_LINK, 
+			LEDS_2G5 | LEDS_LINK | LEDS_ACT },
+		    },
 };
 #elif defined MACHINE_TRENDNET_TEG_S562
 __code const struct machine machine = {
diff --git a/machine.h b/machine.h
index 5bb02ce..2532797 100644
--- a/machine.h
+++ b/machine.h
@@ -23,6 +23,18 @@ typedef struct {
 	uint8_t scl;
 } i2c_bus_t;
 
+
+#define LED_27 1
+#define LED_28 2
+#define LED_29 4
+
+struct high_leds {
+	// Defines MUX and LED enabling for pins 27-29
+	uint8_t mux : 3;
+	uint8_t enable : 3;
+	uint8_t reserved : 2;
+};
+
 struct sfp_port
 {
 	uint8_t pin_detect; // gpio number 0-63, 0xFF = don't have it?
@@ -44,6 +56,9 @@ typedef struct machine {
 	// sfp_port[0] is the first SFP-port from the left on the device, sfp_port[1] the next if present 
 	struct sfp_port sfp_port[2];
 	int8_t reset_pin;
+	struct high_leds high_leds;
+	uint8_t port_led_set[9];
+	uint32_t led_sets[4][4];
 };
 
 typedef struct machine_runtime

From 59894e68cbd51991d08947e39082ef9b67d31596 Mon Sep 17 00:00:00 2001
From: logicog <git@logicog.de>
Date: Tue, 3 Feb 2026 19:21:08 +0100
Subject: [PATCH 7/8] Add LED-pad mapping

---
 machine.c      | 22 +++++++++++++++
 machine.h      |  4 +++
 rtl837x_leds.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++++-
 rtl837x_regs.h |  7 +++++
 4 files changed, 104 insertions(+), 1 deletion(-)

diff --git a/machine.c b/machine.c
index 0e93a68..08f16dc 100644
--- a/machine.c
+++ b/machine.c
@@ -1,6 +1,7 @@
 #include "machine.h"
 #include "rtl837x_pins.h"
 #include "rtl837x_leds.h"
+#include "rtl837x_regs.h"
 
 #ifdef MACHINE_KP_9000_6XHML_X2
 __code const struct machine machine = {
@@ -35,7 +36,13 @@ __code const struct machine machine = {
 			LEDS_1G | LEDS_LINK, 
 			0 },
 		    },
+	.led_mux_custom = 1,
+	.led_mux = {0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x0f, 0x0c, 0x0d, 0x0e, 0x10, 0x11, 0x12, 0x14,
+		    0x15, 0x16, 0x18, 0x19, 0x1a, 0x1c, 0x1d, 0x1e, 0x20, 0x21, 0x22, 0x23 },
 };
+
+void machine_custom_init(void) { }
+
 #elif defined MACHINE_KP_9000_6XH_X
 __code const struct machine machine = {
 	.machine_name = "keepLink KP-9000-6XH-X",
@@ -64,6 +71,9 @@ __code const struct machine machine = {
 			0 },
 		    },
 };
+
+void machine_custom_init(void) { }
+
 #elif defined MACHINE_KP_9000_9XH_X_EU
 __code const struct machine machine = {
 	.machine_name = "keepLink KP-9000-6XH-X-EU",
@@ -89,6 +99,8 @@ __code const struct machine machine = {
 		    },
 };
 
+void machine_custom_init(void) { }
+
 #elif defined MACHINE_SWGT024_V2_0
 __code const struct machine machine = {
 	.machine_name = "SWGT024 V2.0",
@@ -126,6 +138,8 @@ __code const struct machine machine = {
 		    },
 };
 
+void machine_custom_init(void) { }
+
 #elif defined MACHINE_HG0402XG_V1_1
 __code const struct machine machine = {
 	.machine_name = "HG0402XG V1.1",
@@ -164,6 +178,8 @@ __code const struct machine machine = {
 		    },
 };
 
+void machine_custom_init(void) { }
+
 #elif defined DEFAULT_8C_1SFP
 __code const struct machine machine = {
 	.machine_name = "8+1 SFP Port Switch",
@@ -188,6 +204,9 @@ __code const struct machine machine = {
 			LEDS_2G5 | LEDS_LINK | LEDS_ACT },
 		    },
 };
+
+void machine_custom_init(void) { }
+
 #elif defined MACHINE_TRENDNET_TEG_S562
 __code const struct machine machine = {
 	.machine_name = "Trendnet TEG-S562",
@@ -210,4 +229,7 @@ __code const struct machine machine = {
 	.sfp_port[1].i2c = { .sda = GPIO49_I2C_SDA1, .scl = GPIO48_I2C_SCL1 },
 	.reset_pin = GPIO_NA,
 };
+
+void machine_custom_init(void) { }
+
 #endif
diff --git a/machine.h b/machine.h
index 2532797..cba1ac8 100644
--- a/machine.h
+++ b/machine.h
@@ -59,6 +59,8 @@ typedef struct machine {
 	struct high_leds high_leds;
 	uint8_t port_led_set[9];
 	uint32_t led_sets[4][4];
+	uint8_t led_mux_custom;
+	uint8_t led_mux[28];
 };
 
 typedef struct machine_runtime
@@ -67,4 +69,6 @@ typedef struct machine_runtime
 	uint8_t isN : 1;
 };
 
+void machine_custom_init(void);
+
 #endif
diff --git a/rtl837x_leds.c b/rtl837x_leds.c
index c641af9..4c68f82 100644
--- a/rtl837x_leds.c
+++ b/rtl837x_leds.c
@@ -38,7 +38,42 @@ void leds_dump(void) __banked
 	print_string("RTL837X_REG_LED3_0_SET1: "); print_reg(RTL837X_REG_LED3_0_SET1); write_char('\n');
 	print_string("RTL837X_REG_LED3_0_SET3: "); print_reg(RTL837X_REG_LED3_0_SET3); write_char('\n');
 	print_string("RTL837X_LED_PORT_SET_SEL: "); print_reg(RTL837X_LED_PORT_SET_SEL); write_char('\n');
-	print_string("LED Configuration:\n");
+	print_string("RTL837X_REG_LED_GLB_MUX_1: "); print_reg(RTL837X_REG_LED_GLB_MUX_1); write_char('\n');
+	print_string("RTL837X_REG_LED_GLB_MUX_2: "); print_reg(RTL837X_REG_LED_GLB_MUX_2); write_char('\n');
+	print_string("RTL837X_REG_LED_GLB_MUX_3: "); print_reg(RTL837X_REG_LED_GLB_MUX_3); write_char('\n');
+	print_string("RTL837X_REG_LED_GLB_MUX_4: "); print_reg(RTL837X_REG_LED_GLB_MUX_4); write_char('\n');
+	print_string("RTL837X_REG_LED_GLB_MUX_5: "); print_reg(RTL837X_REG_LED_GLB_MUX_5); write_char('\n');
+	print_string("RTL837X_REG_LED_GLB_MUX_6: "); print_reg(RTL837X_REG_LED_GLB_MUX_6); write_char('\n');
+	print_string("RTL837X_REG_LED_GLB_ACTIVE: "); print_reg(RTL837X_REG_LED_GLB_ACTIVE); write_char('\n');
+	print_string("LED pad Configuration:\n");
+	for (uint8_t i = 0; i < 28; i++) {
+		print_byte(i);
+		write_char(' ');
+	}
+	write_char('\n');
+	for (uint8_t i = 0; i < 28; i++) {
+		switch (i % 5) {
+		case 0:  // 0
+			reg_read_m(RTL837X_REG_LED_GLB_MUX_1 + (i / 5) * 4);
+			print_byte(sfr_data[3] & 0x3f);
+			break;
+		case 1:  // 6
+			print_byte(((sfr_data[3] >> 6) | (sfr_data[2] << 2)) & 0x3f);
+			break;
+		case 2:  // 12
+			print_byte(((sfr_data[1] << 4) | (sfr_data[2] >> 4)) & 0x3f);
+			break;
+		case 3:  // 18
+			print_byte((sfr_data[1] >> 2) & 0x3f);
+			break;
+		case 4:  // 24
+			print_byte(sfr_data[0] & 0x3f);
+			break;
+		}
+		write_char(' ');
+	}
+	write_char('\n');
+	print_string("LED-set Configuration:\n");
 	print_string("LED-ID\t\t0\t\t1\t\t2\t\t3\n");
 	for (__xdata uint8_t set = 0; set < 4; set++) {
 		print_string("SET "); write_char('0' + set); write_char(':');
@@ -181,6 +216,38 @@ void leds_setup(void) __banked
 		reg_bit_clear(RTL837X_REG_LED_GLB_IO_EN, 29);
 		
 
+	// Configure the LED-mux
+	if (machine.led_mux_custom) {
+		print_string("Configuring custom LED-muxes: ");
+		for (uint8_t i = 0; i < 28; i++) {
+			switch (i % 5) {
+			case 0:  // 0
+				sfr_data[3] = machine.led_mux[i];
+				break;
+			case 1:  // 6
+				sfr_data[3] |= machine.led_mux[i] << 6;
+				sfr_data[2] = machine.led_mux[i] >> 2;
+				break;
+			case 2:  // 12
+				sfr_data[2] |= machine.led_mux[i] << 4;
+				sfr_data[1] = machine.led_mux[i] >> 4;
+				break;
+			case 3:  // 18
+				sfr_data[1] |= machine.led_mux[i] << 2;
+				break;
+			case 4:  // 24
+				sfr_data[0] = machine.led_mux[i];
+				print_sfr_data(); write_char(' ');
+				reg_write_m(RTL837X_REG_LED_GLB_MUX_1 + (i / 5) * 4);
+				break;
+			}
+			write_char(' ');
+		}
+		sfr_data[0] = 0; sfr_data[1] &= 0xf;
+		print_sfr_data(); write_char('\n');
+		reg_write_m(RTL837X_REG_LED_GLB_MUX_6);
+	}
+	
 	// Configure the LED-set of a port
 	sfr_data[3] = sfr_data[2] = sfr_data[1] = sfr_data[0] = 0;
 	for (uint8_t i = machine.min_port; i <= machine.max_port; i++)
@@ -188,6 +255,9 @@ void leds_setup(void) __banked
 	reg_write_m(RTL837X_LED_PORT_SET_SEL);
 
 	// Configure the LED-sets
+	sfr_data[3] = sfr_data[2] = sfr_data[1] = sfr_data[0] = 0;
+	reg_write_m(RTL837X_REG_LED3_0_SET1);
+	reg_write_m(RTL837X_REG_LED3_0_SET3);
 	__code uint8_t * __xdata lptr = &machine.led_sets[0][0];
 	for (__xdata uint8_t set = 0; set < 4; set++) {
 		sfr_data[0] = *(lptr + 5);
diff --git a/rtl837x_regs.h b/rtl837x_regs.h
index 6232a42..32e7a98 100644
--- a/rtl837x_regs.h
+++ b/rtl837x_regs.h
@@ -22,6 +22,13 @@
 // BIT 17 set: LED solid on
 // Bytes 0/1 hold the LED mode, e.g. serial, RTL8231?
 // Blink rate is defined by setAsicRegBits(0x6520,0xe00000,rate);
+#define RTL837X_REG_LED_GLB_MUX_1	0x65E0
+#define RTL837X_REG_LED_GLB_MUX_2	0x65E4
+#define RTL837X_REG_LED_GLB_MUX_3	0x65E8
+#define RTL837X_REG_LED_GLB_MUX_4	0x65EC
+#define RTL837X_REG_LED_GLB_MUX_5	0x65F0
+#define RTL837X_REG_LED_GLB_MUX_6	0x65F4
+#define RTL837X_REG_LED_GLB_ACTIVE	0x65D8
 #define RTL837X_REG_LED_GLB_IO_EN	0x65DC
 #define RTL837X_REG_LED3_0_SET3		0x6524
 #define RTL837X_REG_LED3_0_SET1		0x6528

From d29adafe3c277fc43fda67282f7ddeb514941a98 Mon Sep 17 00:00:00 2001
From: logicog <git@logicog.de>
Date: Sun, 1 Feb 2026 11:43:29 +0100
Subject: [PATCH 8/8] Use generic led configuration

---
 machine.c       |  19 +++----
 rtl837x_leds.c  |   1 -
 rtlplayground.c | 143 +++---------------------------------------------
 3 files changed, 18 insertions(+), 145 deletions(-)

diff --git a/machine.c b/machine.c
index 08f16dc..460dae1 100644
--- a/machine.c
+++ b/machine.c
@@ -26,14 +26,14 @@ __code const struct machine machine = {
 	.reset_pin = GPIO46_I2C_SCL0,
 	.high_leds = { .mux = LED_27 | LED_29, .enable = LED_28 | LED_29 },
 	.port_led_set = { 0, 0, 0, 0, 0, 0, 0, 0, 0},
-	/* Conditions for LED on: 
+	/* Conditions for LED on:
 	 * dual led orange: ledset_0 & ledset_2
 	 * dual led green: ledset_2 & !ledset_0
 	 * single right led green: ledset_0 & !ledset_1
 	*/
 	.led_sets = { { LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G,
 			LEDS_2G5 | LEDS_LINK | LEDS_10G,
-			LEDS_1G | LEDS_LINK, 
+			LEDS_1G | LEDS_LINK,
 			0 },
 		    },
 	.led_mux_custom = 1,
@@ -57,17 +57,16 @@ __code const struct machine machine = {
 	.sfp_port[0].pin_los = GPIO37,
 	.sfp_port[0].pin_tx_disable = GPIO_NA,
 	.sfp_port[0].sds = 1,
-	.sfp_port[0].i2c_bus = { .sda = 4, .scl = 3 },
 	.sfp_port[0].i2c = { .sda = GPIO39_I2C_SDA4, .scl = GPIO40_I2C_SCL3_MDC1 },
 	.reset_pin = GPIO_NA,
-	/* Conditions for LED on: 
+	/* Conditions for LED on:
 	 * dual led orange: ledset_0 & ledset_2
 	 * dual led green: ledset_2 & !ledset_0
 	 * single right led green: ledset_0 & !ledset_1
 	*/
 	.led_sets = { { LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G,
 			LEDS_2G5 | LEDS_LINK | LEDS_10G,
-			LEDS_1G | LEDS_LINK, 
+			LEDS_1G | LEDS_LINK,
 			0 },
 		    },
 };
@@ -126,14 +125,14 @@ __code const struct machine machine = {
 	.reset_pin = GPIO36_PWM_OUT,
 	.high_leds = { .mux = LED_27 | LED_29, .enable = LED_28 | LED_29 },
 	.port_led_set = { 0, 0, 0, 0, 0, 0, 0, 0, 0},
-	/* Conditions for LED on: 
+	/* Conditions for LED on:
 	 * dual led orange: ledset_0 & ledset_2
 	 * dual led green: ledset_2 & !ledset_0
 	 * single right led green: ledset_0 & !ledset_1
 	*/
 	.led_sets = { { LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G,
 			LEDS_2G5 | LEDS_LINK | LEDS_10G,
-			LEDS_1G | LEDS_LINK, 
+			LEDS_1G | LEDS_LINK,
 			0 },
 		    },
 };
@@ -169,11 +168,11 @@ __code const struct machine machine = {
 	 */
 	.led_sets = { { LEDS_10M | LEDS_LINK | LEDS_ACT,
 			LEDS_1G | LEDS_100M | LEDS_10M | LEDS_2G5 | LEDS_LINK | LEDS_ACT,
-			LEDS_2G5 | LEDS_LINK | LEDS_ACT, 
+			LEDS_2G5 | LEDS_LINK | LEDS_ACT,
 			0 },
 			{ LEDS_100M | LEDS_10M | LEDS_LINK,
 			LEDS_2G5 | LEDS_1G | LEDS_100M | LEDS_10M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G,
-			LEDS_10G | LEDS_LINK, 
+			LEDS_10G | LEDS_LINK,
 			0 },
 		    },
 };
@@ -200,7 +199,7 @@ __code const struct machine machine = {
 	.port_led_set = { 0, 0, 0, 0, 0, 0, 0, 0, 0},
 	.led_sets = { { LEDS_2G5 | LEDS_TWO_PAIR_1G | LEDS_1G | LEDS_500M | LEDS_100M | LEDS_10M | LEDS_LINK | LEDS_ACT | LEDS_10G | LEDS_TWO_PAIR_5G | LEDS_5G | LEDS_TWO_PAIR_2G5,
 			LEDS_2G5 | LEDS_LINK,
-			LEDS_1G | LEDS_LINK, 
+			LEDS_1G | LEDS_LINK,
 			LEDS_2G5 | LEDS_LINK | LEDS_ACT },
 		    },
 };
diff --git a/rtl837x_leds.c b/rtl837x_leds.c
index 4c68f82..86e7f97 100644
--- a/rtl837x_leds.c
+++ b/rtl837x_leds.c
@@ -214,7 +214,6 @@ void leds_setup(void) __banked
 		reg_bit_set(RTL837X_REG_LED_GLB_IO_EN, 29);
 	else
 		reg_bit_clear(RTL837X_REG_LED_GLB_IO_EN, 29);
-		
 
 	// Configure the LED-mux
 	if (machine.led_mux_custom) {
diff --git a/rtlplayground.c b/rtlplayground.c
index 938928e..a694958 100644
--- a/rtlplayground.c
+++ b/rtlplayground.c
@@ -1456,46 +1456,6 @@ void sds_init(void)
 }
 
 
-void led_config_9xh(void)
-{
-	// r65d8:3ffbedff R65d8-3ffbedff
-	reg_bit_set(0x65d8, 0x1d);
-
-	//  r6520:0021fdb0 R6520-0021e7b0 r6520:0021e7b0 R6520-0021e6b0
-	reg_read_m(RTL837X_REG_LED_MODE);
-	sfr_mask_data(1, 0x1f, 0x6);
-	sfr_mask_data(0, 0xe0, 0xa0);
-	reg_write_m(RTL837X_REG_LED_MODE);
-
-	// Set LED blink rate to slow during booting
-	set_sys_led_state(SYS_LED_SLOW);
-
-	// Disable RLDP (Realtek Loop Detection Protocol) LEDs on loop detection
-	reg_read_m(RTL837X_REG_LED_RLDP_1);
-	sfr_mask_data(0, 0, 0x3);
-	reg_write_m(RTL837X_REG_LED_RLDP_1);
-	// Configure LED group for RLDP per port
-	REG_SET(RTL837X_REG_LED_RLDP_2, 0xffffffff);	// Ports 0-7
-	REG_SET(RTL837X_REG_LED_RLDP_3, 0x0000000f);	// Port 8
-
-	reg_bit_set(RTL837X_REG_LED_GLB_IO_EN, 29);
-	reg_bit_clear(RTL837X_REG_LED_GLB_IO_EN, 27);
-
-	// GPIO 27 is LED
-	reg_bit_set(RTL837X_PIN_MUX_0, 27);
-
-	// Configure LED_SET_0, ledid 0/1
-	REG_SET(RTL837X_REG_LED1_0_SET0, 0x0041017f);
-
-	// Configure LED_SET_0 ledid 2
-	REG_SET(RTL837X_REG_LED3_2_SET0, 0x01410044);
-
-	// r6528:00000000 R6528-0000000f
-	reg_read_m(RTL837X_REG_LED3_0_SET1);
-	sfr_mask_data(0, 0x0f, 0x0f);
-	reg_write_m(RTL837X_REG_LED3_0_SET1);
-}
-
 void set_sys_led_state(uint8_t state)
 {
 	reg_read_m(RTL837X_REG_LED_MODE);
@@ -1503,94 +1463,6 @@ void set_sys_led_state(uint8_t state)
 	reg_write_m(RTL837X_REG_LED_MODE);
 }
 
-
-#ifdef MACHINE_HG0402XG_V1_1
-void led_config(void)
-{
-	reg_read_m(RTL837X_REG_LED_MODE);
-	sfr_mask_data(2, 0xe0, 0x23); 	// Mask blink rate field (0xe0), set blink rate and LED to solid (set bit 1 = bit 17 overal
-	// Configure led-mode (serial?)
-	sfr_data[2] = 0xe6;
-	sfr_data[3] = 0xb0;
-	reg_write_m(RTL837X_REG_LED_MODE);
-	// Disable RLDP (Realtek Loop Detection Protocol) LEDs on loop detection
-	reg_read_m(RTL837X_REG_LED_RLDP_1);
-	sfr_mask_data(0, 0x03, 0);
-	reg_write_m(RTL837X_REG_LED_RLDP_1);
-	REG_SET(RTL837X_REG_LED_RLDP_2, 0xffff0000);	// Ports 0-7 0x65fc
-	REG_SET(RTL837X_REG_LED_RLDP_3, 0x0000000f);	// Port 8
-
-	reg_bit_set(RTL837X_REG_LED_GLB_IO_EN, 29);
-	reg_bit_clear(RTL837X_REG_LED_GLB_IO_EN, 27);
-	reg_bit_set(RTL837X_PIN_MUX_0, 29);
-	reg_bit_set(RTL837X_PIN_MUX_0, 27);
-
-	REG_SET(RTL837X_REG_LED1_0_SET0, 0x141); // 0x6548
-	reg_read_m(RTL837X_REG_LED3_2_SET0);
-	sfr_data[2] = 0x01;
-	sfr_data[3] = 0x74;
-	reg_write_m(RTL837X_REG_LED3_2_SET0);
-	reg_read_m(RTL837X_REG_LED1_0_SET1); // 6540
-	sfr_data[2] = 0x01;
-	sfr_data[3] = 0x7f;
-	reg_write_m(RTL837X_REG_LED1_0_SET1);
-
-	reg_read_m(RTL837X_REG_LED3_0_SET1);
-	sfr_data[1] |= 0x0f;
-	reg_write_m(RTL837X_REG_LED3_0_SET1);
-}
-
-#else
-void led_config(void)
-{
-	// LED initialization
-	// r6520:0021fdb0 R6520-0021e7b0 r6520:0021e7b0 R6520-0021e6b0
-	reg_read_m(RTL837X_REG_LED_MODE);
-	sfr_mask_data(2, 0xe0, 0x23); 	// Mask blink rate field (0xe0), set blink rate and LED to solid (set bit 1 = bit 17 overall)
-	// Configure led-mode (serial?)
-	sfr_data[2] = 0xe6;
-	sfr_data[3] = 0xb0;
-	reg_write_m(RTL837X_REG_LED_MODE);
-
-	// Disable RLDP (Realtek Loop Detection Protocol) LEDs on loop detection
-	reg_read_m(RTL837X_REG_LED_RLDP_1);
-	sfr_mask_data(0, 0x03, 0);
-	reg_write_m(RTL837X_REG_LED_RLDP_1);
-	// Configure LED group for RLDP per port
-	REG_SET(RTL837X_REG_LED_RLDP_2, 0xffffffff);	// Ports 0-7
-	REG_SET(RTL837X_REG_LED_RLDP_3, 0x0000000f);	// Port 8
-
-	reg_bit_set(RTL837X_REG_LED_GLB_IO_EN, 29);
-	reg_bit_clear(RTL837X_REG_LED_GLB_IO_EN, 27);
-
-	// Configure GPIO for LEDs 27-29
-	if (machine.n_sfp == 2) {
-		reg_bit_set(RTL837X_PIN_MUX_0, 27);
-		reg_bit_clear(RTL837X_PIN_MUX_0, 28);
-		reg_bit_set(RTL837X_PIN_MUX_0, 29);
-	} else {
-		reg_bit_set(RTL837X_PIN_MUX_0, 27);
-		reg_bit_set(RTL837X_PIN_MUX_0, 28);
-		reg_bit_set(RTL837X_PIN_MUX_0, 29);
-	}
-	// LED setup
-	// r6520:0021fdb0 R6520-0021e7b0 r6520:0021e7b0 R6520-0021e6b0 r65f8:00000018 R65f8-00000018 R65fc-fffff000 r6600:00000000 R6600-0000000f r65dc:5fffff00 R65dc-7fffff00 r65dc:7fffff00 R65dc-77ffff00
-	// r7f8c:30000000 R7f8c-30000000 r7f8c:30000000 R7f8c-38000000 R6548-00410175 r6544:01411000 R6544-01410044 r6528:00000000 R6528-00000011
-
-	// Configure LED_SET_0, ledid 0/1
-	REG_SET(RTL837X_REG_LED1_0_SET0, 0x00410175);
-
-	// Configure led-sets 2 and 3
-	REG_SET(RTL837X_REG_LED3_2_SET0, 0x01410044);
-
-	// Further configure LED_SET_0
-	// r6528:00000000 R6528-00000011
-	reg_read_m(RTL837X_REG_LED3_0_SET1);
-	sfr_data[3] = 0x11;
-	reg_write_m(RTL837X_REG_LED3_0_SET1);
-}
-#endif
-
 void rtl8373_revision(void)
 {
 	reg_read_m(RTL837X_REG_CHIP_INFO);
@@ -1609,7 +1481,9 @@ void rtl8373_init(void)
 {
 	print_string("\nrtl8373_init called\n");
 
-	led_config_9xh();
+	// r65d8:3ffbedff R65d8-3ffbedff
+	reg_bit_set(0x65d8, 0x1d);
+
 	sds_init();
 	// Disable all SERDES for configuration
 	REG_SET(RTL837X_REG_SDS_MODES, 0x000037ff);
@@ -1704,8 +1578,6 @@ void rtl8372_init(void)
 {
 	print_string("\nrtl8372_init called\n");
 
-	led_config();
-
 	sds_init();
 	phy_config(8);	// PHY configuration: External 8221B?
 	phy_config(3);	// PHY configuration: all internal PHYs?
@@ -2024,6 +1896,12 @@ void bootloader(void)
 	init_smi();
 
 	rtl8373_revision();
+
+	leds_setup();
+	machine_custom_init();
+
+	leds_dump();
+
 	if (machine_detected.isRTL8373)
 		rtl8373_init();
 	else
@@ -2034,7 +1912,6 @@ void bootloader(void)
 	flash_region.addr = FIRMWARE_UPLOAD_START;
 	flash_region.len = 0x100;
 	flash_read_bulk(flash_buf);
-#ifndef MACHINE_HG0402XG_V1_1
 	if (flash_buf[0] == 0x00 && flash_buf[1] == 0x40) {
 		__xdata uint32_t dest = 0x0;
 		__xdata uint32_t source = FIRMWARE_UPLOAD_START;
@@ -2105,9 +1982,7 @@ void bootloader(void)
 			dest += 0x1000;
 		}
 	}
-#endif
 	set_sys_led_state(SYS_LED_SLOW);
-	leds_dump();
 
 #ifdef DEBUG
 	// This register seems to work on the RTL8373 only if also the SDS