2 files changed, 80 insertions, 2 deletions
diff --git a/sys/include/dev/mii/mii.h b/sys/include/dev/mii/mii.h
new file mode 100644
index 0000000..5d77281
--- /dev/null
+++ b/sys/include/dev/mii/mii.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _DEV_MII_H_
+#define _DEV_MII_H_
+
+#include <sys/param.h>
+
+/*
+ * MII registers
+ */
+#define MII_BMCR    0x00    /* Basic Mode Config */
+#define MII_BMSR    0x01    /* Basic Mode Status */
+#define MII_PHYID   0x02    /* MII PHY identifier 1 */
+#define MII_PHYID2  0x03    /* MII PHY identifier 2 */
+#define MII_ADVER   0x04    /* Auto-negotiation advertisement */
+#define MII_LPA     0x05    /* Link parter abilities */
+#define MII_EXPAN   0x06    /* Auto-negotiation expansion */
+#define MII_ESTATUS 0x0F    /* Extended status register */
+#define MII_IRQ     0x1B    /* Interrupt control/status */
+
+/*
+ * MII BMCR bits
+ */
+#define MII_BMCR_RST  BIT(15)   /* PHY reset */
+#define MII_BCMR_LOOP BIT(14)   /* Loopback mode enable */
+#define MII_BMCR_ANEN BIT(12)   /* Auto-negotiation enable */
+#define MII_PWR_DOWN  BIT(11)   /* Power down PHY */
+#define MII_ISOLATE   BIT(10)   /* Electrically isolate PHY from MII */
+
+#endif  /* !_DEV_MII_H_ */
diff --git a/sys/include/dev/phy/et131xregs.h b/sys/include/dev/phy/et131xregs.h
index 54b81c0..1f8bfcb 100644
--- a/sys/include/dev/phy/et131xregs.h
+++ b/sys/include/dev/phy/et131xregs.h
@@ -225,13 +225,34 @@ struct mac_regs {
 #define MAC_MGMT_BUSY 0x00000001
 #define MAC_MGMT_WAIT 0x00000005
 
+/* MAC management config values */
+#define MAC_MIIMGMT_CLK_RST 0x00007
+
 /* LED register defines */
 #define PHY_LED2    0x1C
 
-/* LED control register 2 values */
+/* PCI config space offsets */
+#define PCI_EEPROM_STATUS   0xB2
+#define PCI_MAC_ADDRESS     0xA4
+
+/*
+ * LED control register 2 values
+ */
+#define LED_BLINK       0xD
 #define LED_ON          0xE
-#define LED_OFF         0xFFFF
+#define LED_OFF         0xF
+#define LED_ALL_OFF     0xFFFF
 
+/*
+ * LED register bit-shift constants
+ *
+ * Bits [3:0]:   100BASE-T LED
+ * Bits [7:4]:   100BASE-TX LED
+ * Bits [11:8]:  TX/RX LED
+ * Bits [15:12]: Link LED
+ */
+#define LED_TXRX_SHIFT  8
+#define LED_LINK_SHIFT  12
 
 struct et131x_iospace {
 #define _IO_PAD(NAME, REGSET) uint8_t NAME[4096 - sizeof(struct REGSET)]