Differences

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--- mii_and_mdio [2018/10/06 18:09] – [Links] rpjday
+++ mii_and_mdio [2018/10/09 11:06] (current) – [Files] rpjday
@@ Line 5: / Line 5: @@
 ===== Links =====
-  * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include|include]]
+  * [[https://www.electronicdesign.com/microcontrollers/use-mdio-bus-interrogate-complex-devices|Use The MDIO Bus To Interrogate Complex Devices]]
-    * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi|uapi]]
+  * [[https://www.totalphase.com/support/articles/200349206-MDIO-Background|MDIO Background]]
-      * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux|linux]]
+  * [[http://www.ieee802.org/3/efm/public/nov02/oam/pannell_oam_1_1102.pdf|Clause 22 Access to
+Clause 45 Registers]]
+  * [[https://www.intel.com/content/www/us/en/programmable/documentation/sfo1400787952932/iga1401395383139/iga1401395383732/iga1401395384075.html|Intel MDIO Clause 45]]
+===== Files =====
+  * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include|include/]]
+    * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi|uapi/]]
+      * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux|linux/]]
         * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/mii.h|mii.h]]
         * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/mdio.h|mdio.h]]
-    * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux|linux]]
+    * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux|linux/]]
       * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/mii.h|mii.h]]
       * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/mdio.h|mdio.h]]
-  * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers|drivers]]
+      * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/of_mdio.h|of_mdio.h]]
-    * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/net|net]]
+      * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/phy.h|phy.h]]
+  * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers|drivers/]]
+    * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/net|net/]]
       * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/net/mii.c|mii.c]]
       * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/net/mdio.c|mdio.c]]
+    * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/of|of/]]
+      * [[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/of/of_mdio.c|of_mdio.c]]
+===== MII =====
-===== Files =====
-==== include/uapi/linux/mii.h ====
-<code>
-#include <linux/types.h>
-#include <linux/ethtool.h>
-/* Generic MII registers. */
-#define MII_BMCR                0x00    /* Basic mode control register */
-#define MII_BMSR                0x01    /* Basic mode status register  */
-#define MII_PHYSID1             0x02    /* PHYS ID 1                   */
-#define MII_PHYSID2             0x03    /* PHYS ID 2                   */
-</code>
-==== include/uapi/linux/mdio.h ====
-=== DEVADs ===
-<code>
-#include <linux/types.h>
-#include <linux/mii.h>
-/* MDIO Manageable Devices (MMDs). */
-#define MDIO_MMD_PMAPMD         1       /* Physical Medium Attachment/
-                                         * Physical Medium Dependent */
-#define MDIO_MMD_WIS            2       /* WAN Interface Sublayer */
-#define MDIO_MMD_PCS            3       /* Physical Coding Sublayer */
-#define MDIO_MMD_PHYXS          4       /* PHY Extender Sublayer */
-#define MDIO_MMD_DTEXS          5       /* DTE Extender Sublayer */
-#define MDIO_MMD_TC             6       /* Transmission Convergence */
-#define MDIO_MMD_AN             7       /* Auto-Negotiation */
-#define MDIO_MMD_C22EXT         29      /* Clause 22 extension */
-#define MDIO_MMD_VEND1          30      /* Vendor specific 1 */
-#define MDIO_MMD_VEND2          31      /* Vendor specific 2 */
-</code>
-=== DEVAD = 1 (PMA/PMD) ===
-<code>
-/* Generic MDIO registers. */
-#define MDIO_CTRL1              MII_BMCR
-#define MDIO_STAT1              MII_BMSR
-#define MDIO_DEVID1             MII_PHYSID1
-#define MDIO_DEVID2             MII_PHYSID2
-#define MDIO_SPEED              4       /* Speed ability */
-#define MDIO_DEVS1              5       /* Devices in package */
-#define MDIO_DEVS2              6
-#define MDIO_CTRL2              7       /* 10G control 2 */
-#define MDIO_STAT2              8       /* 10G status 2 */
-#define MDIO_PMA_TXDIS          9       /* 10G PMA/PMD transmit disable */
-#define MDIO_PMA_RXDET          10      /* 10G PMA/PMD receive signal detect */
-#define MDIO_PMA_EXTABLE        11      /* 10G PMA/PMD extended ability */
-#define MDIO_PKGID1             14      /* Package identifier */
-#define MDIO_PKGID2             15
-</code>
-=== DEVAD = 7 (AN) ===
-<code>
-#define MDIO_AN_ADVERTISE       16      /* AN advertising (base page) */
-#define MDIO_AN_LPA             19      /* AN LP abilities (base page) */
-</code>
-=== DEVAD = 3 (PCS) ===
-<code>
-#define MDIO_PCS_EEE_ABLE       20      /* EEE Capability register */
-#define MDIO_PCS_EEE_WK_ERR     22      /* EEE wake error counter */
-</code>
-=== Don't know ===
-<code>
-#define MDIO_PHYXS_LNSTAT       24      /* PHY XGXS lane state */
-</code>
-=== DEVAD = 7 (AN) ===
-What's with 61? Not in data sheet.
-<code>
-#define MDIO_AN_EEE_ADV         60      /* EEE advertisement */
-#define MDIO_AN_EEE_LPABLE      61      /* EEE link partner ability */
-</code>
-=== DEVAD = 1 (PMA) ===
-<code>
-/* Media-dependent registers. */
-#define MDIO_PMA_10GBT_SWAPPOL  130     /* 10GBASE-T pair swap & polarity */
-#define MDIO_PMA_10GBT_TXPWR    131     /* 10GBASE-T TX power control */
-#define MDIO_PMA_10GBT_SNR      133     /* 10GBASE-T SNR margin, lane A.
-                                         * Lanes B-D are numbered 134-136. */
-                                         * </code>
-=== Don't know ===
-<code>
-#define MDIO_PMA_10GBR_FECABLE  170     /* 10GBASE-R FEC ability */
-</code>
-=== Don't know ===
-<code>
-#define MDIO_PCS_10GBX_STAT1    24      /* 10GBASE-X PCS status 1 */
-#define MDIO_PCS_10GBRT_STAT1   32      /* 10GBASE-R/-T PCS status 1 */
-#define MDIO_PCS_10GBRT_STAT2   33      /* 10GBASE-R/-T PCS status 2 */
-</code>
-=== DEVAD = 7 (AN) ===
-<code>
-#define MDIO_AN_10GBT_CTRL      32      /* 10GBASE-T auto-negotiation control */
-#define MDIO_AN_10GBT_STAT      33      /* 10GBASE-T auto-negotiation status */
-</code>