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added missing files

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This commit is contained in:
Markus Fröschle
2014-01-04 09:07:09 +00:00
parent 64b24ba73c
commit 34281aa232
2 changed files with 251 additions and 0 deletions
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71
BaS_gcc/include/bcm5222.h Normal file
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/*
* File: bcm5222.h
* Purpose: Driver for the BCM5222 10/100 Ethernet PHY
*
* Notes:
*/
#ifndef _BCM5222_H_
#define _BCM5222_H_
extern int bcm5222_init(uint8_t, uint8_t, uint8_t, uint8_t);
extern void bcm5222_get_reg(uint16_t*, uint16_t*);
/********************************************************************/
/* MII Register Addresses */
#define BCM5222_CTRL (0x00)
#define BCM5222_STAT (0x01)
#define BCM5222_PHY_ID1 (0x02)
#define BCM5222_PHY_ID2 (0x03)
#define BCM5222_AN_ADV (0x04)
#define BCM5222_AN_LINK_PAR (0x05)
#define BCM5222_AN_EXP (0x06)
#define BCM5222_AN_NPR (0x07)
#define BCM5222_LINK_NPA (0x08)
#define BCM5222_ACSR (0x18)
/* Bit definitions and macros for BCM5222_CTRL */
#define BCM5222_CTRL_RESET (0x8000)
#define BCM5222_CTRL_LOOP (0x4000)
#define BCM5222_CTRL_SPEED (0x2000)
#define BCM5222_CTRL_ANE (0x1000)
#define BCM5222_CTRL_PD (0x0800)
#define BCM5222_CTRL_ISOLATE (0x0400)
#define BCM5222_CTRL_RESTART_AN (0x0200)
#define BCM5222_CTRL_FDX (0x0100)
#define BCM5222_CTRL_COL_TEST (0x0080)
/* Bit definitions and macros for BCM5222_STAT */
#define BCM5222_STAT_100BT4 (0x8000)
#define BCM5222_STAT_100BTX_FDX (0x4000)
#define BCM5222_STAT_100BTX (0x2000)
#define BCM5222_STAT_10BT_FDX (0x1000)
#define BCM5222_STAT_10BT (0x0800)
#define BCM5222_STAT_NO_PREAMBLE (0x0040)
#define BCM5222_STAT_AN_COMPLETE (0x0020)
#define BCM5222_STAT_REMOTE_FAULT (0x0010)
#define BCM5222_STAT_AN_ABILITY (0x0008)
#define BCM5222_STAT_LINK (0x0004)
#define BCM5222_STAT_JABBER (0x0002)
#define BCM5222_STAT_EXTENDED (0x0001)
/* Bit definitions and macros for BCM5222_AN_ADV */
#define BCM5222_AN_ADV_NEXT_PAGE (0x8001)
#define BCM5222_AN_ADV_REM_FAULT (0x2001)
#define BCM5222_AN_ADV_PAUSE (0x0401)
#define BCM5222_AN_ADV_100BT4 (0x0201)
#define BCM5222_AN_ADV_100BTX_FDX (0x0101)
#define BCM5222_AN_ADV_100BTX (0x0081)
#define BCM5222_AN_ADV_10BT_FDX (0x0041)
#define BCM5222_AN_ADV_10BT (0x0021)
#define BCM5222_AN_ADV_802_3 (0x0001)
/* Bit definitions and macros for BCM5222_ACSR */
#define BCM5222_ACSR_100BTX (0x0002)
#define BCM5222_ACSR_FDX (0x0001)
/********************************************************************/
#endif /* _BCM5222_H_ */

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BaS_gcc/net/bcm5222.c Normal file
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/*
* File: bcm5222.c
* Purpose: Driver for the Micrel BCM5222 10/100 Ethernet PHY
*
* Notes: This driver was written specifically for the M5475EVB
* and M5485EVB. These boards use the MII signals from
* FEC0 to control the PHY. Therefore the fec_ch parameter
* is ignored when doing MII reads and writes.
*/
#include "net.h"
#include "fec.h"
#include "bcm5222.h"
#include "bas_printf.h"
#if defined(MACHINE_FIREBEE)
#include "firebee.h"
#elif defined(MACHINE_M5484LITE)
#include "m5484l.h"
#else
#error "Unknown machine!"
#endif
#define DBG_BCM
#ifdef DBG_BCM
#define dbg(format, arg...) do { xprintf("DEBUG: " format, ##arg); } while (0)
#else
#define dbg(format, arg...) do { ; } while (0)
#endif /* DBG_BCM */
/*
* Initialize the BCM5222 PHY
*
* This function sets up the Auto-Negotiate Advertisement register
* within the PHY and then forces the PHY to auto-negotiate for
* it's settings.
*
* Params:
* fec_ch FEC channel
* phy_addr Address of the PHY.
* speed Desired speed (10BaseT or 100BaseTX)
* duplex Desired duplex (Full or Half)
*
* Return Value:
* 0 if MII commands fail
* 1 otherwise
*/
int bcm5222_init(uint8_t fec_ch, uint8_t phy_addr, uint8_t speed, uint8_t duplex)
{
int timeout;
uint16_t settings;
/* Initialize the MII interface */
fec_mii_init(fec_ch, SYSCLK / 1000);
dbg("%s: PHY reset\r\n", __FUNCTION__);
/* Reset the PHY */
if (!fec_mii_write(fec_ch, phy_addr, BCM5222_CTRL, BCM5222_CTRL_RESET | BCM5222_CTRL_ANE))
return 0;
/* Wait for the PHY to reset */
for (timeout = 0; timeout < FEC_MII_TIMEOUT; timeout++)
{
fec_mii_read(fec_ch, phy_addr, BCM5222_CTRL, &settings);
if (!(settings & BCM5222_CTRL_RESET))
break;
}
if(timeout >= FEC_MII_TIMEOUT)
return 0;
dbg("%s: PHY reset OK\r\n", __FUNCTION__);
settings = (BCM5222_AN_ADV_NEXT_PAGE | BCM5222_AN_ADV_PAUSE);
if (speed == FEC_MII_10BASE_T)
settings |= (uint16_t)((duplex == FEC_MII_FULL_DUPLEX)
? (BCM5222_AN_ADV_10BT_FDX | BCM5222_AN_ADV_10BT)
: BCM5222_AN_ADV_10BT);
else /* (speed == FEC_MII_100BASE_TX) */
settings = (uint16_t)((duplex == FEC_MII_FULL_DUPLEX)
? (BCM5222_AN_ADV_100BTX_FDX | BCM5222_AN_ADV_100BTX
| BCM5222_AN_ADV_10BT_FDX | BCM5222_AN_ADV_10BT)
: (BCM5222_AN_ADV_100BTX | BCM5222_AN_ADV_10BT));
/* Set the Auto-Negotiation Advertisement Register */
if (!fec_mii_write(fec_ch, phy_addr, BCM5222_AN_ADV, settings))
return 0;
dbg("%s: PHY Enable Auto-Negotiation\r\n", __FUNCTION__);
/* Enable Auto-Negotiation */
if (!fec_mii_write(fec_ch, phy_addr, BCM5222_CTRL, (BCM5222_CTRL_ANE | BCM5222_CTRL_RESTART_AN)))
return 0;
dbg("%s: PHY Wait for auto-negotiation to complete\r\n", __FUNCTION__);
/* Wait for auto-negotiation to complete */
for (timeout = 0; timeout < FEC_MII_TIMEOUT; timeout++)
{
if (!fec_mii_read(fec_ch, phy_addr, BCM5222_STAT, &settings))
return 0;
if (settings & BCM5222_STAT_AN_COMPLETE)
break;
}
if (timeout < FEC_MII_TIMEOUT)
{
dbg("%s: PHY auto-negociation complete\r\n", __FUNCTION__);
/* Read Auxiliary Control/Status Register */
if (!fec_mii_read(fec_ch, phy_addr, BCM5222_ACSR, &settings))
return 0;
}
else
{
dbg("%s: auto negotiation failed, PHY Set the default mode\r\n", __FUNCTION__);
/* Set the default mode (Full duplex, 100 Mbps) */
if (!fec_mii_write(fec_ch, phy_addr, BCM5222_ACSR, settings = (BCM5222_ACSR_100BTX | BCM5222_ACSR_FDX)))
return 0;
}
/* Set the proper duplex in the FEC now that we have auto-negotiated */
if (settings & BCM5222_ACSR_FDX)
fec_duplex(fec_ch, FEC_MII_FULL_DUPLEX);
else
fec_duplex(fec_ch, FEC_MII_HALF_DUPLEX);
dbg("%s: PHY Mode: ", __FUNCTION__);
if (settings & BCM5222_ACSR_100BTX)
dbg("%s: 100Mbps\r\n", __FUNCTION__);
else
dbg("%s: 10Mbps\r\n", __FUNCTION__);
if (settings & BCM5222_ACSR_FDX)
dbg("%s: Full-duplex\r\n", __FUNCTION__);
else
dbg("%s: Half-duplex\r\n", __FUNCTION__);
return 1;
}
void bcm5222_get_reg(uint16_t* status0, uint16_t* status1)
{
fec_mii_read(0, 0x00, 0x00000000, &status0[0]);
fec_mii_read(0, 0x00, 0x00000001, &status0[1]);
fec_mii_read(0, 0x00, 0x00000004, &status0[4]);
fec_mii_read(0, 0x00, 0x00000005, &status0[5]);
fec_mii_read(0, 0x00, 0x00000006, &status0[6]);
fec_mii_read(0, 0x00, 0x00000007, &status0[7]);
fec_mii_read(0, 0x00, 0x00000008, &status0[8]);
fec_mii_read(0, 0x00, 0x00000010, &status0[16]);
fec_mii_read(0, 0x00, 0x00000011, &status0[17]);
fec_mii_read(0, 0x00, 0x00000012, &status0[18]);
fec_mii_read(0, 0x00, 0x00000013, &status0[19]);
fec_mii_read(0, 0x00, 0x00000018, &status0[24]);
fec_mii_read(0, 0x00, 0x00000019, &status0[25]);
fec_mii_read(0, 0x00, 0x0000001B, &status0[27]);
fec_mii_read(0, 0x00, 0x0000001C, &status0[28]);
fec_mii_read(0, 0x00, 0x0000001E, &status0[30]);
fec_mii_read(0, 0x01, 0x00000000, &status1[0]);
fec_mii_read(0, 0x01, 0x00000001, &status1[1]);
fec_mii_read(0, 0x01, 0x00000004, &status1[4]);
fec_mii_read(0, 0x01, 0x00000005, &status1[5]);
fec_mii_read(0, 0x01, 0x00000006, &status1[6]);
fec_mii_read(0, 0x01, 0x00000007, &status1[7]);
fec_mii_read(0, 0x01, 0x00000008, &status1[8]);
fec_mii_read(0, 0x01, 0x00000010, &status1[16]);
fec_mii_read(0, 0x01, 0x00000011, &status1[17]);
fec_mii_read(0, 0x01, 0x00000012, &status1[18]);
fec_mii_read(0, 0x01, 0x00000013, &status1[19]);
fec_mii_read(0, 0x01, 0x00000018, &status1[24]);
fec_mii_read(0, 0x01, 0x00000019, &status1[25]);
fec_mii_read(0, 0x01, 0x0000001B, &status1[27]);
fec_mii_read(0, 0x01, 0x0000001C, &status1[28]);
fec_mii_read(0, 0x01, 0x0000001E, &status1[30]);
}