+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright © 2003 Atheros Communications, Inc., All Rights Reserved.
+ */
+
+/*
+ * Manage the atheros ethernet PHY.
+ *
+ * All definitions in this file are operating system independent!
+ */
+
+#include <config.h>
+#include <linux/types.h>
+#include <common.h>
+#include <miiphy.h>
+//#include "phy.h"
+//#include "ar7100_soc.h"
+#include "athrs26_phy.h"
+
+#define phy_reg_read(base, addr, reg, datap) \
+ miiphy_read("lq_cpe_eth", addr, reg, datap);
+#define phy_reg_write(base, addr, reg, data) \
+ miiphy_write("lq_cpe_eth", addr, reg, data);
+
+
+/* PHY selections and access functions */
+
+typedef enum {
+ PHY_SRCPORT_INFO,
+ PHY_PORTINFO_SIZE,
+} PHY_CAP_TYPE;
+
+typedef enum {
+ PHY_SRCPORT_NONE,
+ PHY_SRCPORT_VLANTAG,
+ PHY_SRCPORT_TRAILER,
+} PHY_SRCPORT_TYPE;
+
+#ifdef DEBUG
+#define DRV_DEBUG 1
+#endif
+//#define DRV_DEBUG 1
+
+#define DRV_DEBUG_PHYERROR 0x00000001
+#define DRV_DEBUG_PHYCHANGE 0x00000002
+#define DRV_DEBUG_PHYSETUP 0x00000004
+
+#if DRV_DEBUG
+int athrPhyDebug = DRV_DEBUG_PHYERROR|DRV_DEBUG_PHYCHANGE|DRV_DEBUG_PHYSETUP;
+
+#define DRV_LOG(FLG, X0, X1, X2, X3, X4, X5, X6) \
+{ \
+ if (athrPhyDebug & (FLG)) { \
+ logMsg(X0, X1, X2, X3, X4, X5, X6); \
+ } \
+}
+
+#define DRV_MSG(x,a,b,c,d,e,f) \
+ logMsg(x,a,b,c,d,e,f)
+
+#define DRV_PRINT(FLG, X) \
+{ \
+ if (athrPhyDebug & (FLG)) { \
+ printf X; \
+ } \
+}
+
+#else /* !DRV_DEBUG */
+#define DRV_LOG(DBG_SW, X0, X1, X2, X3, X4, X5, X6)
+#define DRV_MSG(x,a,b,c,d,e,f)
+#define DRV_PRINT(DBG_SW,X)
+#endif
+
+#define ATHR_LAN_PORT_VLAN 1
+#define ATHR_WAN_PORT_VLAN 2
+
+#define ENET_UNIT_LAN 0
+
+#define TRUE 1
+#define FALSE 0
+
+#define ATHR_PHY0_ADDR 0x0
+#define ATHR_PHY1_ADDR 0x1
+#define ATHR_PHY2_ADDR 0x2
+#define ATHR_PHY3_ADDR 0x3
+#define ATHR_PHY4_ADDR 0x4
+
+/*
+ * Track per-PHY port information.
+ */
+typedef struct {
+ BOOL isEnetPort; /* normal enet port */
+ BOOL isPhyAlive; /* last known state of link */
+ int ethUnit; /* MAC associated with this phy port */
+ uint32_t phyBase;
+ uint32_t phyAddr; /* PHY registers associated with this phy port */
+ uint32_t VLANTableSetting; /* Value to be written to VLAN table */
+} athrPhyInfo_t;
+
+/*
+ * Per-PHY information, indexed by PHY unit number.
+ */
+static athrPhyInfo_t athrPhyInfo[] = {
+ {TRUE, /* phy port 0 -- LAN port 0 */
+ FALSE,
+ ENET_UNIT_LAN,
+ 0,
+ ATHR_PHY0_ADDR,
+ ATHR_LAN_PORT_VLAN
+ },
+
+ {TRUE, /* phy port 1 -- LAN port 1 */
+ FALSE,
+ ENET_UNIT_LAN,
+ 0,
+ ATHR_PHY1_ADDR,
+ ATHR_LAN_PORT_VLAN
+ },
+
+ {TRUE, /* phy port 2 -- LAN port 2 */
+ FALSE,
+ ENET_UNIT_LAN,
+ 0,
+ ATHR_PHY2_ADDR,
+ ATHR_LAN_PORT_VLAN
+ },
+
+ {TRUE, /* phy port 3 -- LAN port 3 */
+ FALSE,
+ ENET_UNIT_LAN,
+ 0,
+ ATHR_PHY3_ADDR,
+ ATHR_LAN_PORT_VLAN
+ },
+
+ {TRUE, /* phy port 4 -- WAN port or LAN port 4 */
+ FALSE,
+ 1,
+ 0,
+ ATHR_PHY4_ADDR,
+ ATHR_LAN_PORT_VLAN /* Send to all ports */
+ },
+
+ {FALSE, /* phy port 5 -- CPU port (no RJ45 connector) */
+ TRUE,
+ ENET_UNIT_LAN,
+ 0,
+ 0x00,
+ ATHR_LAN_PORT_VLAN /* Send to all ports */
+ },
+};
+
+#ifdef CFG_ATHRHDR_EN
+typedef struct {
+ uint8_t data[ATHRHDR_MAX_DATA];
+ uint8_t len;
+ uint32_t seq;
+} cmd_resp_t;
+
+typedef struct {
+ uint16_t reg_addr;
+ uint16_t cmd_len;
+ uint8_t *reg_data;
+}cmd_write_t;
+
+static cmd_write_t cmd_write,cmd_read;
+static cmd_resp_t cmd_resp;
+static struct eth_device *lan_mac;
+//static atomic_t seqcnt = ATOMIC_INIT(0);
+static int seqcnt = 0;
+static int cmd = 1;
+//volatile uchar AthrHdrPkt[60];
+#endif
+
+#define ATHR_GLOBALREGBASE 0
+
+//#define ATHR_PHY_MAX (sizeof(athrPhyInfo) / sizeof(athrPhyInfo[0]))
+#define ATHR_PHY_MAX 5
+
+/* Range of valid PHY IDs is [MIN..MAX] */
+#define ATHR_ID_MIN 0
+#define ATHR_ID_MAX (ATHR_PHY_MAX-1)
+
+/* Convenience macros to access myPhyInfo */
+#define ATHR_IS_ENET_PORT(phyUnit) (athrPhyInfo[phyUnit].isEnetPort)
+#define ATHR_IS_PHY_ALIVE(phyUnit) (athrPhyInfo[phyUnit].isPhyAlive)
+#define ATHR_ETHUNIT(phyUnit) (athrPhyInfo[phyUnit].ethUnit)
+#define ATHR_PHYBASE(phyUnit) (athrPhyInfo[phyUnit].phyBase)
+#define ATHR_PHYADDR(phyUnit) (athrPhyInfo[phyUnit].phyAddr)
+#define ATHR_VLAN_TABLE_SETTING(phyUnit) (athrPhyInfo[phyUnit].VLANTableSetting)
+
+
+#define ATHR_IS_ETHUNIT(phyUnit, ethUnit) \
+ (ATHR_IS_ENET_PORT(phyUnit) && \
+ ATHR_ETHUNIT(phyUnit) == (ethUnit))
+
+#define ATHR_IS_WAN_PORT(phyUnit) (!(ATHR_ETHUNIT(phyUnit)==ENET_UNIT_LAN))
+
+/* Forward references */
+BOOL athrs26_phy_is_link_alive(int phyUnit);
+static uint32_t athrs26_reg_read(uint16_t reg_addr);
+static void athrs26_reg_write(uint16_t reg_addr,
+ uint32_t reg_val);
+
+/******************************************************************************
+*
+* athrs26_phy_is_link_alive - test to see if the specified link is alive
+*
+* RETURNS:
+* TRUE --> link is alive
+* FALSE --> link is down
+*/
+
+void athrs26_reg_init()
+{
+
+ athrs26_reg_write(0x200, 0x200);
+ athrs26_reg_write(0x300, 0x200);
+ athrs26_reg_write(0x400, 0x200);
+ athrs26_reg_write(0x500, 0x200);
+ athrs26_reg_write(0x600, 0x7d);
+
+#ifdef S26_VER_1_0
+ phy_reg_write(0, 0, 29, 41);
+ phy_reg_write(0, 0, 30, 0);
+ phy_reg_write(0, 1, 29, 41);
+ phy_reg_write(0, 1, 30, 0);
+ phy_reg_write(0, 2, 29, 41);
+ phy_reg_write(0, 2, 30, 0);
+ phy_reg_write(0, 3, 29, 41);
+ phy_reg_write(0, 3, 30, 0);
+ phy_reg_write(0, 4, 29, 41);
+ phy_reg_write(0, 4, 30, 0);
+#endif
+
+ athrs26_reg_write(0x38, 0xc000050e);
+
+#ifdef CFG_ATHRHDR_EN
+ athrs26_reg_write(0x104, 0x4804);
+#else
+ athrs26_reg_write(0x104, 0x4004);
+#endif
+
+ athrs26_reg_write(0x60, 0xffffffff);
+ athrs26_reg_write(0x64, 0xaaaaaaaa);
+ athrs26_reg_write(0x68, 0x55555555);
+ athrs26_reg_write(0x6c, 0x0);
+
+ athrs26_reg_write(0x70, 0x41af);
+}
+
+BOOL
+athrs26_phy_is_link_alive(int phyUnit)
+{
+ uint16_t phyHwStatus;
+ uint32_t phyBase;
+ uint32_t phyAddr;
+
+ phyBase = ATHR_PHYBASE(phyUnit);
+ phyAddr = ATHR_PHYADDR(phyUnit);
+
+ phy_reg_read(phyBase, phyAddr, ATHR_PHY_SPEC_STATUS, &phyHwStatus);
+
+ if (phyHwStatus & ATHR_STATUS_LINK_PASS)
+ return TRUE;
+
+ return FALSE;
+}
+
+
+/******************************************************************************
+*
+* athrs26_phy_setup - reset and setup the PHY associated with
+* the specified MAC unit number.
+*
+* Resets the associated PHY port.
+*
+* RETURNS:
+* TRUE --> associated PHY is alive
+* FALSE --> no LINKs on this ethernet unit
+*/
+
+BOOL
+athrs26_phy_setup(int ethUnit)
+{
+ int phyUnit;
+ uint16_t phyHwStatus;
+ uint16_t timeout;
+ int liveLinks = 0;
+ uint32_t phyBase = 0;
+ BOOL foundPhy = FALSE;
+ uint32_t phyAddr = 0;
+ uint32_t regVal;
+
+
+ /* See if there's any configuration data for this enet */
+ /* start auto negogiation on each phy */
+ for (phyUnit=0; phyUnit < ATHR_PHY_MAX; phyUnit++) {
+ if (!ATHR_IS_ETHUNIT(phyUnit, ethUnit)) {
+ continue;
+ }
+
+
+ foundPhy = TRUE;
+ phyBase = ATHR_PHYBASE(phyUnit);
+ phyAddr = ATHR_PHYADDR(phyUnit);
+
+ phy_reg_write(phyBase, phyAddr, ATHR_AUTONEG_ADVERT,
+ ATHR_ADVERTISE_ALL);
+
+ /* Reset PHYs*/
+ phy_reg_write(phyBase, phyAddr, ATHR_PHY_CONTROL,
+ ATHR_CTRL_AUTONEGOTIATION_ENABLE
+ | ATHR_CTRL_SOFTWARE_RESET);
+
+ }
+
+ if (!foundPhy) {
+ return FALSE; /* No PHY's configured for this ethUnit */
+ }
+
+ /*
+ * After the phy is reset, it takes a little while before
+ * it can respond properly.
+ */
+ sysMsDelay(1000);
+
+ /*
+ * Wait up to .75 seconds for ALL associated PHYs to finish
+ * autonegotiation. The only way we get out of here sooner is
+ * if ALL PHYs are connected AND finish autonegotiation.
+ */
+ for (phyUnit=0; (phyUnit < ATHR_PHY_MAX) /*&& (timeout > 0) */; phyUnit++) {
+ if (!ATHR_IS_ETHUNIT(phyUnit, ethUnit)) {
+ continue;
+ }
+
+ timeout=20;
+ for (;;) {
+ phyHwStatus = 0;
+ phy_reg_read(phyBase, phyAddr, ATHR_PHY_CONTROL, &phyHwStatus);
+
+ if (ATHR_RESET_DONE(phyHwStatus)) {
+ DRV_PRINT(DRV_DEBUG_PHYSETUP,
+ ("Port %d, Neg Success\n", phyUnit));
+ break;
+ }
+ if (timeout == 0) {
+ DRV_PRINT(DRV_DEBUG_PHYSETUP,
+ ("Port %d, Negogiation timeout\n", phyUnit));
+ break;
+ }
+ if (--timeout == 0) {
+ DRV_PRINT(DRV_DEBUG_PHYSETUP,
+ ("Port %d, Negogiation timeout\n", phyUnit));
+ break;
+ }
+
+ sysMsDelay(150);
+ }
+ }
+
+ /*
+ * All PHYs have had adequate time to autonegotiate.
+ * Now initialize software status.
+ *
+ * It's possible that some ports may take a bit longer
+ * to autonegotiate; but we can't wait forever. They'll
+ * get noticed by mv_phyCheckStatusChange during regular
+ * polling activities.
+ */
+ for (phyUnit=0; phyUnit < ATHR_PHY_MAX; phyUnit++) {
+ if (!ATHR_IS_ETHUNIT(phyUnit, ethUnit)) {
+ continue;
+ }
+
+ if (athrs26_phy_is_link_alive(phyUnit)) {
+ liveLinks++;
+ ATHR_IS_PHY_ALIVE(phyUnit) = TRUE;
+ } else {
+ ATHR_IS_PHY_ALIVE(phyUnit) = FALSE;
+ }
+
+ phy_reg_read(ATHR_PHYBASE(phyUnit), ATHR_PHYADDR(phyUnit),
+ ATHR_PHY_SPEC_STATUS, ®Val);
+ DRV_PRINT(DRV_DEBUG_PHYSETUP,
+ ("eth%d: Phy Specific Status=%4.4x\n", ethUnit, regVal));
+ }
+#if 0
+ /* if using header for register configuration, we have to */
+ /* configure s26 register after frame transmission is enabled */
+
+ athrs26_reg_write(0x200, 0x200);
+ athrs26_reg_write(0x300, 0x200);
+ athrs26_reg_write(0x400, 0x200);
+ athrs26_reg_write(0x500, 0x200);
+ athrs26_reg_write(0x600, 0x200);
+ athrs26_reg_write(0x38, 0x50e);
+#endif
+#ifndef CFG_ATHRHDR_EN
+/* if using header for register configuration, we have to */
+ /* configure s26 register after frame transmission is enabled */
+ athrs26_reg_init();
+#endif
+
+ return (liveLinks > 0);
+}
+
+/******************************************************************************
+*
+* athrs26_phy_is_fdx - Determines whether the phy ports associated with the
+* specified device are FULL or HALF duplex.
+*
+* RETURNS:
+* 1 --> FULL
+* 0 --> HALF
+*/
+int
+athrs26_phy_is_fdx(int ethUnit)
+{
+ int phyUnit;
+ uint32_t phyBase;
+ uint32_t phyAddr;
+ uint16_t phyHwStatus;
+ int ii = 200;
+
+ if (ethUnit == ENET_UNIT_LAN)
+ return TRUE;
+
+ for (phyUnit=0; phyUnit < ATHR_PHY_MAX; phyUnit++) {
+ if (!ATHR_IS_ETHUNIT(phyUnit, ethUnit)) {
+ continue;
+ }
+
+ if (athrs26_phy_is_link_alive(phyUnit)) {
+
+ phyBase = ATHR_PHYBASE(phyUnit);
+ phyAddr = ATHR_PHYADDR(phyUnit);
+
+ do {
+ phy_reg_read(phyBase, phyAddr, ATHR_PHY_SPEC_STATUS, &phyHwStatus);
+ sysMsDelay(10);
+ } while((!(phyHwStatus & ATHR_STATUS_RESOVLED)) && --ii);
+
+ if (phyHwStatus & ATHER_STATUS_FULL_DEPLEX)
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+
+/******************************************************************************
+*
+* athrs26_phy_speed - Determines the speed of phy ports associated with the
+* specified device.
+*
+* RETURNS:
+* AG7100_PHY_SPEED_10T, AG7100_PHY_SPEED_100TX;
+* AG7100_PHY_SPEED_1000T;
+*/
+
+BOOL
+athrs26_phy_speed(int ethUnit)
+{
+ int phyUnit;
+ uint16_t phyHwStatus;
+ uint32_t phyBase;
+ uint32_t phyAddr;
+ int ii = 200;
+
+ if (ethUnit == ENET_UNIT_LAN)
+ return _100BASET;
+
+ for (phyUnit=0; phyUnit < ATHR_PHY_MAX; phyUnit++) {
+ if (!ATHR_IS_ETHUNIT(phyUnit, ethUnit)) {
+ continue;
+ }
+
+ if (athrs26_phy_is_link_alive(phyUnit)) {
+
+ phyBase = ATHR_PHYBASE(phyUnit);
+ phyAddr = ATHR_PHYADDR(phyUnit);
+
+ do {
+ phy_reg_read(phyBase, phyAddr,
+ ATHR_PHY_SPEC_STATUS, &phyHwStatus);
+ sysMsDelay(10);
+ }while((!(phyHwStatus & ATHR_STATUS_RESOVLED)) && --ii);
+
+ phyHwStatus = ((phyHwStatus & ATHER_STATUS_LINK_MASK) >>
+ ATHER_STATUS_LINK_SHIFT);
+
+ switch(phyHwStatus) {
+ case 0:
+ return _10BASET;
+ case 1:
+ return _100BASET;
+ case 2:
+ return _1000BASET;
+ default:
+ DRV_PRINT(DRV_DEBUG_PHYERROR, ("Unkown speed read!\n"));
+ }
+ }
+ }
+
+ return _10BASET;
+}
+
+/*****************************************************************************
+*
+* athr_phy_is_up -- checks for significant changes in PHY state.
+*
+* A "significant change" is:
+* dropped link (e.g. ethernet cable unplugged) OR
+* autonegotiation completed + link (e.g. ethernet cable plugged in)
+*
+* When a PHY is plugged in, phyLinkGained is called.
+* When a PHY is unplugged, phyLinkLost is called.
+*/
+
+int
+athrs26_phy_is_up(int ethUnit)
+{
+ int phyUnit;
+ uint16_t phyHwStatus;
+ athrPhyInfo_t *lastStatus;
+ int linkCount = 0;
+ int lostLinks = 0;
+ int gainedLinks = 0;
+ uint32_t phyBase;
+ uint32_t phyAddr;
+#ifdef CFG_ATHRHDR_REG
+ /* if using header to config s26, the link of MAC0 should always be up */
+ if (ethUnit == ENET_UNIT_LAN)
+ return 1;
+#endif
+
+ for (phyUnit=0; phyUnit < ATHR_PHY_MAX; phyUnit++) {
+ if (!ATHR_IS_ETHUNIT(phyUnit, ethUnit)) {
+ continue;
+ }
+
+ phyBase = ATHR_PHYBASE(phyUnit);
+ phyAddr = ATHR_PHYADDR(phyUnit);
+
+
+ lastStatus = &athrPhyInfo[phyUnit];
+ phy_reg_read(phyBase, phyAddr, ATHR_PHY_SPEC_STATUS, &phyHwStatus);
+
+ if (lastStatus->isPhyAlive) { /* last known link status was ALIVE */
+ /* See if we've lost link */
+ if (phyHwStatus & ATHR_STATUS_LINK_PASS) {
+ linkCount++;
+ } else {
+ lostLinks++;
+ DRV_PRINT(DRV_DEBUG_PHYCHANGE,("\nenet%d port%d down\n",
+ ethUnit, phyUnit));
+ lastStatus->isPhyAlive = FALSE;
+ }
+ } else { /* last known link status was DEAD */
+ /* Check for reset complete */
+ phy_reg_read(phyBase, phyAddr, ATHR_PHY_STATUS, &phyHwStatus);
+ if (!ATHR_RESET_DONE(phyHwStatus))
+ continue;
+
+ /* Check for AutoNegotiation complete */
+ if (ATHR_AUTONEG_DONE(phyHwStatus)) {
+ //printk("autoneg done\n");
+ gainedLinks++;
+ linkCount++;
+ DRV_PRINT(DRV_DEBUG_PHYCHANGE,("\nenet%d port%d up\n",
+ ethUnit, phyUnit));
+ lastStatus->isPhyAlive = TRUE;
+ }
+ }
+ }
+
+ return (linkCount);
+
+#if 0
+ if (linkCount == 0) {
+ if (lostLinks) {
+ /* We just lost the last link for this MAC */
+ phyLinkLost(ethUnit);
+ }
+ } else {
+ if (gainedLinks == linkCount) {
+ /* We just gained our first link(s) for this MAC */
+ phyLinkGained(ethUnit);
+ }
+ }
+#endif
+}
+
+#ifdef CFG_ATHRHDR_EN
+void athr_hdr_timeout(void){
+ eth_halt();
+ NetState = NETLOOP_FAIL;
+}
+
+void athr_hdr_handler(uchar *recv_pkt, unsigned dest, unsigned src, unsigned len){
+ header_receive_pkt(recv_pkt);
+ NetState = NETLOOP_SUCCESS;
+}
+static int
+athrs26_header_config_reg (struct eth_device *dev, uint8_t wr_flag,
+ uint16_t reg_addr, uint16_t cmd_len,
+ uint8_t *val)
+{
+ at_header_t at_header;
+ reg_cmd_t reg_cmd;
+ uchar *AthrHdrPkt;
+
+ AthrHdrPkt = NetTxPacket;
+
+ if(AthrHdrPkt == NULL) {
+ printf("Null packet\n");
+ return;
+ }
+ memset(AthrHdrPkt,0,60);
+
+ /*fill at_header*/
+ at_header.reserved0 = 0x10; //default
+ at_header.priority = 0;
+ at_header.type = 0x5;
+ at_header.broadcast = 0;
+ at_header.from_cpu = 1;
+ at_header.reserved1 = 0x01; //default
+ at_header.port_num = 0;
+
+ AthrHdrPkt[0] = at_header.port_num;
+ AthrHdrPkt[0] |= at_header.reserved1 << 4;
+ AthrHdrPkt[0] |= at_header.from_cpu << 6;
+ AthrHdrPkt[0] |= at_header.broadcast << 7;
+
+ AthrHdrPkt[1] = at_header.type;
+ AthrHdrPkt[1] |= at_header.priority << 4;
+ AthrHdrPkt[1] |= at_header.reserved0 << 6;
+
+
+ /*fill reg cmd*/
+ if(cmd_len > 4)
+ cmd_len = 4;//only support 32bits register r/w
+
+ reg_cmd.reg_addr = reg_addr&0x3FFFC;
+ reg_cmd.cmd_len = cmd_len;
+ reg_cmd.cmd = wr_flag;
+ reg_cmd.reserved2 = 0x5; //default
+ reg_cmd.seq_num = seqcnt;
+
+ AthrHdrPkt[2] = reg_cmd.reg_addr & 0xff;
+ AthrHdrPkt[3] = (reg_cmd.reg_addr & 0xff00) >> 8;
+ AthrHdrPkt[4] = (reg_cmd.reg_addr & 0x30000) >> 16;
+ AthrHdrPkt[4] |= reg_cmd.cmd_len << 4;
+ AthrHdrPkt[5] = reg_cmd.cmd << 4;
+ AthrHdrPkt[5] |= reg_cmd.reserved2 << 5;
+ AthrHdrPkt[6] = (reg_cmd.seq_num & 0x7f) << 1;
+ AthrHdrPkt[7] = (reg_cmd.seq_num & 0x7f80) >> 7;
+ AthrHdrPkt[8] = (reg_cmd.seq_num & 0x7f8000) >> 15;
+ AthrHdrPkt[9] = (reg_cmd.seq_num & 0x7f800000) >> 23;
+
+ /*fill reg data*/
+ if(!wr_flag)//write
+ memcpy((AthrHdrPkt + 10), val, cmd_len);
+
+ /*start xmit*/
+ if(dev == NULL) {
+ printf("ERROR device not found\n");
+ return -1;
+ }
+ header_xmit(dev, AthrHdrPkt ,60);
+ return 0;
+}
+void athr_hdr_func(void) {
+
+ NetSetTimeout (1 * CFG_HZ,athr_hdr_timeout );
+ NetSetHandler (athr_hdr_handler);
+
+ if(cmd)
+ athrs26_header_config_reg(lan_mac, cmd, cmd_read.reg_addr, cmd_read.cmd_len, cmd_read.reg_data);
+ else
+ athrs26_header_config_reg(lan_mac, cmd, cmd_write.reg_addr, cmd_write.cmd_len, cmd_write.reg_data);
+}
+static int
+athrs26_header_write_reg(uint16_t reg_addr, uint16_t cmd_len, uint8_t *reg_data)
+{
+ int i = 2;
+ cmd_write.reg_addr = reg_addr;
+ cmd_write.cmd_len = cmd_len;
+ cmd_write.reg_data = reg_data;
+ cmd = 0;
+ seqcnt++;
+
+ do {
+ if (NetLoop(ATHRHDR) >= 0) /* polls for read/write ack from PHY */
+ break;
+ } while (i--);
+
+ return i;
+}
+
+static int
+athrs26_header_read_reg(uint16_t reg_addr, uint16_t cmd_len, uint8_t *reg_data)
+{
+ int i = 2;
+
+ cmd_read.reg_addr = reg_addr;
+ cmd_read.cmd_len = cmd_len;
+ cmd_read.reg_data = reg_data;
+ cmd = 1;
+ seqcnt++;
+
+ do {
+ if (NetLoop(ATHRHDR) >= 0) /* polls for read/write ack from PHY */
+ break;
+ } while (i--);
+
+ if ((i==0) || (seqcnt != cmd_resp.seq) || (cmd_len != cmd_resp.len)) {
+ return -1;
+ }
+ memcpy (cmd_read.reg_data, cmd_resp.data, cmd_len);
+ return 0;
+}
+int header_receive_pkt(uchar *recv_pkt)
+{
+ cmd_resp.len = recv_pkt[4] >> 4;
+ if (cmd_resp.len > 10)
+ goto out;
+
+ cmd_resp.seq = recv_pkt[6] >> 1;
+ cmd_resp.seq |= recv_pkt[7] << 7;
+ cmd_resp.seq |= recv_pkt[8] << 15;
+ cmd_resp.seq |= recv_pkt[9] << 23;
+
+ if (cmd_resp.seq < seqcnt)
+ goto out;
+ memcpy (cmd_resp.data, (recv_pkt + 10), cmd_resp.len);
+out:
+ return 0;
+}
+
+void athrs26_reg_dev(struct eth_device *mac)
+{
+ lan_mac = mac;
+}
+
+#endif
+
+static uint32_t
+athrs26_reg_read(uint16_t reg_addr)
+{
+#ifndef CFG_ATHRHDR_REG
+ uint16_t reg_word_addr = reg_addr / 2, phy_val;
+ uint32_t phy_addr;
+ uint8_t phy_reg;
+
+ /* configure register high address */
+ phy_addr = 0x18;
+ phy_reg = 0x0;
+ phy_val = (reg_word_addr >> 8) & 0x1ff; /* bit16-8 of reg address*/
+ phy_reg_write (0, phy_addr, phy_reg, phy_val);
+
+ /* read register with low address */
+ phy_addr = 0x10 | ((reg_word_addr >> 5) & 0x7); /* bit7-5 of reg address */
+ phy_reg = reg_word_addr & 0x1f; /* bit 4-0 of reg address*/
+ phy_reg_read(0, phy_addr, phy_reg, &phy_val);
+
+ return phy_val;
+#else
+ uint8_t reg_data[4];
+
+ memset (reg_data, 0, 4);
+ athrs26_header_read_reg(reg_addr, 4, reg_data);
+ return (reg_data[0] | (reg_data[1] << 8) | (reg_data[2] << 16) | (reg_data[3] << 24));
+#endif
+}
+
+static void
+athrs26_reg_write(uint16_t reg_addr, uint32_t reg_val)
+{
+#ifndef CFG_ATHRHDR_REG
+ uint16_t reg_word_addr = reg_addr / 2, phy_val;
+ uint32_t phy_addr;
+ uint8_t phy_reg;
+
+ /* configure register high address */
+ phy_addr = 0x18;
+ phy_reg = 0x0;
+ phy_val = (reg_word_addr >> 8) & 0x1ff; /* bit16-8 of reg address*/
+ phy_reg_write (0, phy_addr, phy_reg, phy_val);
+
+ /* read register with low address */
+ phy_addr = 0x10 | ((reg_word_addr >> 5) & 0x7); /* bit7-5 of reg address */
+ phy_reg = reg_word_addr & 0x1f; /* bit 4-0 of reg address */
+ phy_reg_write (0, phy_addr, phy_reg, reg_val);
+#else
+ uint8_t reg_data[4];
+
+ memset (reg_data, 0, 4);
+ reg_data[0] = (uint8_t)(0x00ff & reg_val);
+ reg_data[1] = (uint8_t)((0xff00 & reg_val) >> 8);
+ reg_data[2] = (uint8_t)((0xff0000 & reg_val) >> 16);
+ reg_data[3] = (uint8_t)((0xff000000 & reg_val) >> 24);
+
+ athrs26_header_write_reg (reg_addr, 4, reg_data);
+#endif
+
+}
+
projects / openwrt / svn-archive / archive.git / commitdiff