#include <net.h>
#include <asm/io.h>
#include <pci.h>
+#include <miiphy.h>
#undef DEBUG
/* Ethernet chip registers.
*/
-#define SCBStatus 0 /* Rx/Command Unit Status *Word* */
-#define SCBIntAckByte 1 /* Rx/Command Unit STAT/ACK byte */
-#define SCBCmd 2 /* Rx/Command Unit Command *Word* */
-#define SCBIntrCtlByte 3 /* Rx/Command Unit Intr.Control Byte */
-#define SCBPointer 4 /* General purpose pointer. */
-#define SCBPort 8 /* Misc. commands and operands. */
-#define SCBflash 12 /* Flash memory control. */
-#define SCBeeprom 14 /* EEPROM memory control. */
-#define SCBCtrlMDI 16 /* MDI interface control. */
-#define SCBEarlyRx 20 /* Early receive byte count. */
-#define SCBGenControl 28 /* 82559 General Control Register */
-#define SCBGenStatus 29 /* 82559 General Status register */
+#define SCBStatus 0 /* Rx/Command Unit Status *Word* */
+#define SCBIntAckByte 1 /* Rx/Command Unit STAT/ACK byte */
+#define SCBCmd 2 /* Rx/Command Unit Command *Word* */
+#define SCBIntrCtlByte 3 /* Rx/Command Unit Intr.Control Byte */
+#define SCBPointer 4 /* General purpose pointer. */
+#define SCBPort 8 /* Misc. commands and operands. */
+#define SCBflash 12 /* Flash memory control. */
+#define SCBeeprom 14 /* EEPROM memory control. */
+#define SCBCtrlMDI 16 /* MDI interface control. */
+#define SCBEarlyRx 20 /* Early receive byte count. */
+#define SCBGenControl 28 /* 82559 General Control Register */
+#define SCBGenStatus 29 /* 82559 General Status register */
/* 82559 SCB status word defnitions
*/
-#define SCB_STATUS_CX 0x8000 /* CU finished command (transmit) */
-#define SCB_STATUS_FR 0x4000 /* frame received */
-#define SCB_STATUS_CNA 0x2000 /* CU left active state */
-#define SCB_STATUS_RNR 0x1000 /* receiver left ready state */
-#define SCB_STATUS_MDI 0x0800 /* MDI read/write cycle done */
-#define SCB_STATUS_SWI 0x0400 /* software generated interrupt */
-#define SCB_STATUS_FCP 0x0100 /* flow control pause interrupt */
+#define SCB_STATUS_CX 0x8000 /* CU finished command (transmit) */
+#define SCB_STATUS_FR 0x4000 /* frame received */
+#define SCB_STATUS_CNA 0x2000 /* CU left active state */
+#define SCB_STATUS_RNR 0x1000 /* receiver left ready state */
+#define SCB_STATUS_MDI 0x0800 /* MDI read/write cycle done */
+#define SCB_STATUS_SWI 0x0400 /* software generated interrupt */
+#define SCB_STATUS_FCP 0x0100 /* flow control pause interrupt */
-#define SCB_INTACK_MASK 0xFD00 /* all the above */
+#define SCB_INTACK_MASK 0xFD00 /* all the above */
-#define SCB_INTACK_TX (SCB_STATUS_CX | SCB_STATUS_CNA)
-#define SCB_INTACK_RX (SCB_STATUS_FR | SCB_STATUS_RNR)
+#define SCB_INTACK_TX (SCB_STATUS_CX | SCB_STATUS_CNA)
+#define SCB_INTACK_RX (SCB_STATUS_FR | SCB_STATUS_RNR)
/* System control block commands
*/
/* CU Commands */
-#define CU_NOP 0x0000
-#define CU_START 0x0010
-#define CU_RESUME 0x0020
-#define CU_STATSADDR 0x0040 /* Load Dump Statistics ctrs addr */
-#define CU_SHOWSTATS 0x0050 /* Dump statistics counters. */
-#define CU_ADDR_LOAD 0x0060 /* Base address to add to CU commands */
-#define CU_DUMPSTATS 0x0070 /* Dump then reset stats counters. */
+#define CU_NOP 0x0000
+#define CU_START 0x0010
+#define CU_RESUME 0x0020
+#define CU_STATSADDR 0x0040 /* Load Dump Statistics ctrs addr */
+#define CU_SHOWSTATS 0x0050 /* Dump statistics counters. */
+#define CU_ADDR_LOAD 0x0060 /* Base address to add to CU commands */
+#define CU_DUMPSTATS 0x0070 /* Dump then reset stats counters. */
/* RUC Commands */
-#define RUC_NOP 0x0000
-#define RUC_START 0x0001
-#define RUC_RESUME 0x0002
-#define RUC_ABORT 0x0004
-#define RUC_ADDR_LOAD 0x0006 /* (seems not to clear on acceptance) */
-#define RUC_RESUMENR 0x0007
-
-#define CU_CMD_MASK 0x00f0
-#define RU_CMD_MASK 0x0007
-
-#define SCB_M 0x0100 /* 0 = enable interrupt, 1 = disable */
-#define SCB_SWI 0x0200 /* 1 - cause device to interrupt */
-
-#define CU_STATUS_MASK 0x00C0
-#define RU_STATUS_MASK 0x003C
-
-#define RU_STATUS_IDLE (0<<2)
-#define RU_STATUS_SUS (1<<2)
-#define RU_STATUS_NORES (2<<2)
-#define RU_STATUS_READY (4<<2)
-#define RU_STATUS_NO_RBDS_SUS ((1<<2)|(8<<2))
+#define RUC_NOP 0x0000
+#define RUC_START 0x0001
+#define RUC_RESUME 0x0002
+#define RUC_ABORT 0x0004
+#define RUC_ADDR_LOAD 0x0006 /* (seems not to clear on acceptance) */
+#define RUC_RESUMENR 0x0007
+
+#define CU_CMD_MASK 0x00f0
+#define RU_CMD_MASK 0x0007
+
+#define SCB_M 0x0100 /* 0 = enable interrupt, 1 = disable */
+#define SCB_SWI 0x0200 /* 1 - cause device to interrupt */
+
+#define CU_STATUS_MASK 0x00C0
+#define RU_STATUS_MASK 0x003C
+
+#define RU_STATUS_IDLE (0<<2)
+#define RU_STATUS_SUS (1<<2)
+#define RU_STATUS_NORES (2<<2)
+#define RU_STATUS_READY (4<<2)
+#define RU_STATUS_NO_RBDS_SUS ((1<<2)|(8<<2))
#define RU_STATUS_NO_RBDS_NORES ((2<<2)|(8<<2))
#define RU_STATUS_NO_RBDS_READY ((4<<2)|(8<<2))
};
#define RFD_STATUS_C 0x8000 /* completion of received frame */
-#define RFD_STATUS_OK 0x2000 /* frame received with no errors */
-
-#define RFD_CONTROL_EL 0x8000 /* 1=last RFD in RFA */
-#define RFD_CONTROL_S 0x4000 /* 1=suspend RU after receiving frame */
-#define RFD_CONTROL_H 0x0010 /* 1=RFD is a header RFD */
-#define RFD_CONTROL_SF 0x0008 /* 0=simplified, 1=flexible mode */
-
-#define RFD_COUNT_MASK 0x3fff
-#define RFD_COUNT_F 0x4000
-#define RFD_COUNT_EOF 0x8000
-
-#define RFD_RX_CRC 0x0800 /* crc error */
-#define RFD_RX_ALIGNMENT 0x0400 /* alignment error */
-#define RFD_RX_RESOURCE 0x0200 /* out of space, no resources */
-#define RFD_RX_DMA_OVER 0x0100 /* DMA overrun */
-#define RFD_RX_SHORT 0x0080 /* short frame error */
-#define RFD_RX_LENGTH 0x0020
-#define RFD_RX_ERROR 0x0010 /* receive error */
-#define RFD_RX_NO_ADR_MATCH 0x0004 /* no address match */
-#define RFD_RX_IA_MATCH 0x0002 /* individual address does not match */
-#define RFD_RX_TCO 0x0001 /* TCO indication */
+#define RFD_STATUS_OK 0x2000 /* frame received with no errors */
+
+#define RFD_CONTROL_EL 0x8000 /* 1=last RFD in RFA */
+#define RFD_CONTROL_S 0x4000 /* 1=suspend RU after receiving frame */
+#define RFD_CONTROL_H 0x0010 /* 1=RFD is a header RFD */
+#define RFD_CONTROL_SF 0x0008 /* 0=simplified, 1=flexible mode */
+
+#define RFD_COUNT_MASK 0x3fff
+#define RFD_COUNT_F 0x4000
+#define RFD_COUNT_EOF 0x8000
+
+#define RFD_RX_CRC 0x0800 /* crc error */
+#define RFD_RX_ALIGNMENT 0x0400 /* alignment error */
+#define RFD_RX_RESOURCE 0x0200 /* out of space, no resources */
+#define RFD_RX_DMA_OVER 0x0100 /* DMA overrun */
+#define RFD_RX_SHORT 0x0080 /* short frame error */
+#define RFD_RX_LENGTH 0x0020
+#define RFD_RX_ERROR 0x0010 /* receive error */
+#define RFD_RX_NO_ADR_MATCH 0x0004 /* no address match */
+#define RFD_RX_IA_MATCH 0x0002 /* individual address does not match */
+#define RFD_RX_TCO 0x0001 /* TCO indication */
/* Transmit frame descriptors
*/
};
#define TxCB_CMD_TRANSMIT 0x0004 /* transmit command */
-#define TxCB_CMD_SF 0x0008 /* 0=simplified, 1=flexible mode */
-#define TxCB_CMD_NC 0x0010 /* 0=CRC insert by controller */
-#define TxCB_CMD_I 0x2000 /* generate interrupt on completion */
-#define TxCB_CMD_S 0x4000 /* suspend on completion */
-#define TxCB_CMD_EL 0x8000 /* last command block in CBL */
+#define TxCB_CMD_SF 0x0008 /* 0=simplified, 1=flexible mode */
+#define TxCB_CMD_NC 0x0010 /* 0=CRC insert by controller */
+#define TxCB_CMD_I 0x2000 /* generate interrupt on completion */
+#define TxCB_CMD_S 0x4000 /* suspend on completion */
+#define TxCB_CMD_EL 0x8000 /* last command block in CBL */
-#define TxCB_COUNT_MASK 0x3fff
-#define TxCB_COUNT_EOF 0x8000
+#define TxCB_COUNT_MASK 0x3fff
+#define TxCB_COUNT_EOF 0x8000
/* The Speedo3 Rx and Tx frame/buffer descriptors.
*/
struct descriptor { /* A generic descriptor. */
volatile u16 status;
volatile u16 command;
- volatile u32 link; /* struct descriptor * */
+ volatile u32 link; /* struct descriptor * */
unsigned char params[0];
};
-#define CFG_CMD_EL 0x8000
-#define CFG_CMD_SUSPEND 0x4000
-#define CFG_CMD_INT 0x2000
-#define CFG_CMD_IAS 0x0001 /* individual address setup */
-#define CFG_CMD_CONFIGURE 0x0002 /* configure */
+#define CFG_CMD_EL 0x8000
+#define CFG_CMD_SUSPEND 0x4000
+#define CFG_CMD_INT 0x2000
+#define CFG_CMD_IAS 0x0001 /* individual address setup */
+#define CFG_CMD_CONFIGURE 0x0002 /* configure */
-#define CFG_STATUS_C 0x8000
-#define CFG_STATUS_OK 0x2000
+#define CFG_STATUS_C 0x8000
+#define CFG_STATUS_OK 0x2000
/* Misc.
*/
-#define NUM_RX_DESC PKTBUFSRX
-#define NUM_TX_DESC 1 /* Number of TX descriptors */
+#define NUM_RX_DESC PKTBUFSRX
+#define NUM_TX_DESC 1 /* Number of TX descriptors */
#define TOUT_LOOP 1000000
#define ETH_ALEN 6
-static struct RxFD rx_ring[NUM_RX_DESC]; /* RX descriptor ring */
-static struct TxFD tx_ring[NUM_TX_DESC]; /* TX descriptor ring */
+static struct RxFD rx_ring[NUM_RX_DESC]; /* RX descriptor ring */
+static struct TxFD tx_ring[NUM_TX_DESC]; /* TX descriptor ring */
static int rx_next; /* RX descriptor ring pointer */
static int tx_next; /* TX descriptor ring pointer */
static int tx_threshold;
static int eepro100_recv (struct eth_device *dev);
static void eepro100_halt (struct eth_device *dev);
+#if defined(CONFIG_E500) || defined(CONFIG_DB64360) || defined(CONFIG_DB64460)
+#define bus_to_phys(a) (a)
+#define phys_to_bus(a) (a)
+#else
#define bus_to_phys(a) pci_mem_to_phys((pci_dev_t)dev->priv, a)
#define phys_to_bus(a) pci_phys_to_mem((pci_dev_t)dev->priv, a)
+#endif
static inline int INW (struct eth_device *dev, u_long addr)
{
*(volatile u32 *) ((addr + dev->iobase)) = cpu_to_le32 (command);
}
- /* Wait for the chip get the command.
- */
+#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
+static inline int INL (struct eth_device *dev, u_long addr)
+{
+ return le32_to_cpu (*(volatile u32 *) (addr + dev->iobase));
+}
+
+static int get_phyreg (struct eth_device *dev, unsigned char addr,
+ unsigned char reg, unsigned short *value)
+{
+ int cmd;
+ int timeout = 50;
+
+ /* read requested data */
+ cmd = (2 << 26) | ((addr & 0x1f) << 21) | ((reg & 0x1f) << 16);
+ OUTL (dev, cmd, SCBCtrlMDI);
+
+ do {
+ udelay(1000);
+ cmd = INL (dev, SCBCtrlMDI);
+ } while (!(cmd & (1 << 28)) && (--timeout));
+
+ if (timeout == 0)
+ return -1;
+
+ *value = (unsigned short) (cmd & 0xffff);
+
+ return 0;
+}
+
+static int set_phyreg (struct eth_device *dev, unsigned char addr,
+ unsigned char reg, unsigned short value)
+{
+ int cmd;
+ int timeout = 50;
+
+ /* write requested data */
+ cmd = (1 << 26) | ((addr & 0x1f) << 21) | ((reg & 0x1f) << 16);
+ OUTL (dev, cmd | value, SCBCtrlMDI);
+
+ while (!(INL (dev, SCBCtrlMDI) & (1 << 28)) && (--timeout))
+ udelay(1000);
+
+ if (timeout == 0)
+ return -1;
+
+ return 0;
+}
+
+/* Check if given phyaddr is valid, i.e. there is a PHY connected.
+ * Do this by checking model value field from ID2 register.
+ */
+static struct eth_device* verify_phyaddr (char *devname, unsigned char addr)
+{
+ struct eth_device *dev;
+ unsigned short value;
+ unsigned char model;
+
+ dev = eth_get_dev_by_name(devname);
+ if (dev == NULL) {
+ printf("%s: no such device\n", devname);
+ return NULL;
+ }
+
+ /* read id2 register */
+ if (get_phyreg(dev, addr, PHY_PHYIDR2, &value) != 0) {
+ printf("%s: mii read timeout!\n", devname);
+ return NULL;
+ }
+
+ /* get model */
+ model = (unsigned char)((value >> 4) & 0x003f);
+
+ if (model == 0) {
+ printf("%s: no PHY at address %d\n", devname, addr);
+ return NULL;
+ }
+
+ return dev;
+}
+
+static int eepro100_miiphy_read (char *devname, unsigned char addr,
+ unsigned char reg, unsigned short *value)
+{
+ struct eth_device *dev;
+
+ dev = verify_phyaddr(devname, addr);
+ if (dev == NULL)
+ return -1;
+
+ if (get_phyreg(dev, addr, reg, value) != 0) {
+ printf("%s: mii read timeout!\n", devname);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int eepro100_miiphy_write (char *devname, unsigned char addr,
+ unsigned char reg, unsigned short value)
+{
+ struct eth_device *dev;
+
+ dev = verify_phyaddr(devname, addr);
+ if (dev == NULL)
+ return -1;
+
+ if (set_phyreg(dev, addr, reg, value) != 0) {
+ printf("%s: mii write timeout!\n", devname);
+ return -1;
+ }
+
+ return 0;
+}
+
+#endif /* defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) */
+
+/* Wait for the chip get the command.
+*/
static int wait_for_eepro100 (struct eth_device *dev)
{
int i;
eth_register (dev);
+#if defined (CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
+ /* register mii command access routines */
+ miiphy_register(dev->name,
+ eepro100_miiphy_read, eepro100_miiphy_write);
+#endif
+
card_number++;
/* Set the latency timer for value.
/* Shift the enable command bits out. */
for (i = (addr_len+EE_CMD_BITS-1); i >= 0; i--)
{
- dataval = (enable_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
- OUTW(dev, EE_ENB | dataval, SCBeeprom);
- udelay(1);
- OUTW(dev, EE_ENB | dataval | EE_SHIFT_CLK, SCBeeprom);
- udelay(1);
+ dataval = (enable_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
+ OUTW(dev, EE_ENB | dataval, SCBeeprom);
+ udelay(1);
+ OUTW(dev, EE_ENB | dataval | EE_SHIFT_CLK, SCBeeprom);
+ udelay(1);
}
OUTW(dev, EE_ENB, SCBeeprom);
/* Shift the write command bits out. */
for (i = (addr_len+EE_CMD_BITS-1); i >= 0; i--)
{
- dataval = (write_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
- OUTW(dev, EE_ENB | dataval, SCBeeprom);
- udelay(1);
- OUTW(dev, EE_ENB | dataval | EE_SHIFT_CLK, SCBeeprom);
- udelay(1);
+ dataval = (write_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
+ OUTW(dev, EE_ENB | dataval, SCBeeprom);
+ udelay(1);
+ OUTW(dev, EE_ENB | dataval | EE_SHIFT_CLK, SCBeeprom);
+ udelay(1);
}
/* Write the data */
OUTW(dev, EE_ENB | dataval, SCBeeprom);
udelay(1);
- datalong = datalong << 1; /* Adjust significant data bit*/
+ datalong = datalong << 1; /* Adjust significant data bit*/
}
/* Finish up command (toggle CS) */
OUTW(dev, EE_ENB & ~EE_CS, SCBeeprom);
- udelay(1); /* delay for more than 250 ns */
+ udelay(1); /* delay for more than 250 ns */
OUTW(dev, EE_ENB, SCBeeprom);
/* Wait for programming ready (D0 = 1) */
tmplong = 10;
do
{
- dataval = INW(dev, SCBeeprom);
- if (dataval & EE_DATA_READ)
- break;
- udelay(10000);
+ dataval = INW(dev, SCBeeprom);
+ if (dataval & EE_DATA_READ)
+ break;
+ udelay(10000);
}
while (-- tmplong);
if (tmplong == 0)
{
- printf ("Write i82559 eeprom timed out (100 ms waiting for data ready.\n");
- return -1;
+ printf ("Write i82559 eeprom timed out (100 ms waiting for data ready.\n");
+ return -1;
}
/* Terminate the EEPROM access. */
projects / karo-tx-uboot.git / blobdiff