NE2000: coding style cleanup

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2008-04-24 07:57:16 +02:00 committed by Wolfgang Denk
parent b4aff1ffaf
commit 4acbc6c7f9
4 changed files with 344 additions and 315 deletions

View file

@ -23,24 +23,24 @@
#ifndef __DRIVERS_AX88796L_H__ #ifndef __DRIVERS_AX88796L_H__
#define __DRIVERS_AX88796L_H__ #define __DRIVERS_AX88796L_H__
#define DP_DATA (0x10 << 1) #define DP_DATA (0x10 << 1)
#define START_PG 0x40 /* First page of TX buffer */ #define START_PG 0x40 /* First page of TX buffer */
#define START_PG2 0x48 #define START_PG2 0x48
#define STOP_PG 0x80 /* Last page +1 of RX ring */ #define STOP_PG 0x80 /* Last page +1 of RX ring */
#define TX_PAGES 12 #define TX_PAGES 12
#define RX_START (START_PG+TX_PAGES) #define RX_START (START_PG+TX_PAGES)
#define RX_END STOP_PG #define RX_END STOP_PG
#define AX88796L_BASE_ADDRESS CONFIG_DRIVER_NE2000_BASE #define AX88796L_BASE_ADDRESS CONFIG_DRIVER_NE2000_BASE
#define AX88796L_BYTE_ACCESS 0x00001000 #define AX88796L_BYTE_ACCESS 0x00001000
#define AX88796L_OFFSET 0x00000400 #define AX88796L_OFFSET 0x00000400
#define AX88796L_ADDRESS_BYTE AX88796L_BASE_ADDRESS + \ #define AX88796L_ADDRESS_BYTE AX88796L_BASE_ADDRESS + \
AX88796L_BYTE_ACCESS + AX88796L_OFFSET AX88796L_BYTE_ACCESS + AX88796L_OFFSET
#define AX88796L_REG_MEMR AX88796L_ADDRESS_BYTE + (0x14<<1) #define AX88796L_REG_MEMR AX88796L_ADDRESS_BYTE + (0x14<<1)
#define AX88796L_REG_CR AX88796L_ADDRESS_BYTE + (0x00<<1) #define AX88796L_REG_CR AX88796L_ADDRESS_BYTE + (0x00<<1)
#define AX88796L_CR (*(vu_short *)(AX88796L_REG_CR)) #define AX88796L_CR (*(vu_short *)(AX88796L_REG_CR))
#define AX88796L_MEMR (*(vu_short *)(AX88796L_REG_MEMR)) #define AX88796L_MEMR (*(vu_short *)(AX88796L_REG_MEMR))
#define EECS_HIGH (AX88796L_MEMR |= 0x10) #define EECS_HIGH (AX88796L_MEMR |= 0x10)
#define EECS_LOW (AX88796L_MEMR &= 0xef) #define EECS_LOW (AX88796L_MEMR &= 0xef)
@ -53,7 +53,7 @@
#define PAGE0_SET (AX88796L_CR &= 0x3f) #define PAGE0_SET (AX88796L_CR &= 0x3f)
#define PAGE1_SET (AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40) #define PAGE1_SET (AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40)
#define BIT_DUMMY 0 #define BIT_DUMMY 0
#define MAC_EEP_READ 1 #define MAC_EEP_READ 1
#define MAC_EEP_WRITE 2 #define MAC_EEP_WRITE 2
#define MAC_EEP_ERACE 3 #define MAC_EEP_ERACE 3
@ -62,20 +62,20 @@
/* R7780MP Specific code */ /* R7780MP Specific code */
#if defined(CONFIG_R7780MP) #if defined(CONFIG_R7780MP)
#define ISA_OFFSET 0x1400 #define ISA_OFFSET 0x1400
#define DP_IN(_b_, _o_, _d_) (_d_) = \ #define DP_IN(_b_, _o_, _d_) (_d_) = \
*( (vu_short *) ((_b_) + ((_o_) * 2) + ISA_OFFSET)) *( (vu_short *) ((_b_) + ((_o_) * 2) + ISA_OFFSET))
#define DP_OUT(_b_, _o_, _d_) \ #define DP_OUT(_b_, _o_, _d_) \
*((vu_short *)((_b_) + ((_o_) * 2) + ISA_OFFSET)) = (_d_) *((vu_short *)((_b_) + ((_o_) * 2) + ISA_OFFSET)) = (_d_)
#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET)) #define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET))
#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_) #define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
#else #else
/* Please change for your target boards */ /* Please change for your target boards */
#define ISA_OFFSET 0x0000 #define ISA_OFFSET 0x0000
#define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET)) #define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET))
#define DP_OUT(_b_, _o_, _d_) *((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_) #define DP_OUT(_b_, _o_, _d_) *((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_)
#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET)) #define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET))
#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_) #define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
#endif #endif

View file

@ -1,5 +1,5 @@
/* /*
Ported to U-Boot by Christian Pellegrin <chri@ascensit.com> Ported to U-Boot by Christian Pellegrin <chri@ascensit.com>
Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
@ -57,13 +57,13 @@ and are covered by the appropriate copyright disclaimers included herein.
========================================================================== ==========================================================================
#####DESCRIPTIONBEGIN#### #####DESCRIPTIONBEGIN####
Author(s): gthomas Author(s): gthomas
Contributors: gthomas, jskov, rsandifo Contributors: gthomas, jskov, rsandifo
Date: 2001-06-13 Date: 2001-06-13
Purpose: Purpose:
Description: Description:
FIXME: Will fail if pinged with large packets (1520 bytes) FIXME: Will fail if pinged with large packets (1520 bytes)
Add promisc config Add promisc config
Add SNMP Add SNMP
@ -77,24 +77,26 @@ Add SNMP
#include <net.h> #include <net.h>
#include <malloc.h> #include <malloc.h>
#define mdelay(n) udelay((n)*1000) #define mdelay(n) udelay((n)*1000)
/* forward definition of function used for the uboot interface */ /* forward definition of function used for the uboot interface */
void uboot_push_packet_len(int len); void uboot_push_packet_len(int len);
void uboot_push_tx_done(int key, int val); void uboot_push_tx_done(int key, int val);
/* /*
------------------------------------------------------------------------ * Debugging details
Debugging details *
* Set to perms of:
Set to perms of: * 0 disables all debug output
0 disables all debug output * 1 for process debug output
1 for process debug output * 2 for added data IO output: get_reg, put_reg
2 for added data IO output: get_reg, put_reg * 4 for packet allocation/free output
4 for packet allocation/free output * 8 for only startup status, so we can tell we're installed OK
8 for only startup status, so we can tell we're installed OK */
*/ #if 0
/*#define DEBUG 0xf*/ #define DEBUG 0xf
#else
#define DEBUG 0 #define DEBUG 0
#endif
#if DEBUG & 1 #if DEBUG & 1
#define DEBUG_FUNCTION() do { printf("%s\n", __FUNCTION__); } while (0) #define DEBUG_FUNCTION() do { printf("%s\n", __FUNCTION__); } while (0)
@ -128,27 +130,28 @@ dp83902a_init(void)
DEBUG_FUNCTION(); DEBUG_FUNCTION();
base = dp->base; base = dp->base;
if (!base) return false; /* No device found */ if (!base)
return false; /* No device found */
DEBUG_LINE(); DEBUG_LINE();
#if defined(NE2000_BASIC_INIT) #if defined(NE2000_BASIC_INIT)
/* AX88796L doesn't need */ /* AX88796L doesn't need */
/* Prepare ESA */ /* Prepare ESA */
DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1); /* Select page 1 */ DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1); /* Select page 1 */
/* Use the address from the serial EEPROM */ /* Use the address from the serial EEPROM */
for (i = 0; i < 6; i++) for (i = 0; i < 6; i++)
DP_IN(base, DP_P1_PAR0+i, dp->esa[i]); DP_IN(base, DP_P1_PAR0+i, dp->esa[i]);
DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0); /* Select page 0 */ DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0); /* Select page 0 */
printf("NE2000 - %s ESA: %02x:%02x:%02x:%02x:%02x:%02x\n", printf("NE2000 - %s ESA: %02x:%02x:%02x:%02x:%02x:%02x\n",
"eeprom", "eeprom",
dp->esa[0], dp->esa[0],
dp->esa[1], dp->esa[1],
dp->esa[2], dp->esa[2],
dp->esa[3], dp->esa[3],
dp->esa[4], dp->esa[4],
dp->esa[5] ); dp->esa[5] );
#endif /* NE2000_BASIC_INIT */ #endif /* NE2000_BASIC_INIT */
return true; return true;
@ -162,7 +165,7 @@ dp83902a_stop(void)
DEBUG_FUNCTION(); DEBUG_FUNCTION();
DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_STOP); /* Brutal */ DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_STOP); /* Brutal */
DP_OUT(base, DP_ISR, 0xFF); /* Clear any pending interrupts */ DP_OUT(base, DP_ISR, 0xFF); /* Clear any pending interrupts */
DP_OUT(base, DP_IMR, 0x00); /* Disable all interrupts */ DP_OUT(base, DP_IMR, 0x00); /* Disable all interrupts */
@ -170,11 +173,11 @@ dp83902a_stop(void)
} }
/* /*
This function is called to "start up" the interface. It may be called * This function is called to "start up" the interface. It may be called
multiple times, even when the hardware is already running. It will be * multiple times, even when the hardware is already running. It will be
called whenever something "hardware oriented" changes and should leave * called whenever something "hardware oriented" changes and should leave
the hardware ready to send/receive packets. * the hardware ready to send/receive packets.
*/ */
static void static void
dp83902a_start(u8 * enaddr) dp83902a_start(u8 * enaddr)
{ {
@ -196,16 +199,16 @@ dp83902a_start(u8 * enaddr)
dp->tx_started = false; dp->tx_started = false;
dp->running = true; dp->running = true;
DP_OUT(base, DP_PSTART, dp->rx_buf_start); /* Receive ring start page */ DP_OUT(base, DP_PSTART, dp->rx_buf_start); /* Receive ring start page */
DP_OUT(base, DP_BNDRY, dp->rx_buf_end-1); /* Receive ring boundary */ DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1); /* Receive ring boundary */
DP_OUT(base, DP_PSTOP, dp->rx_buf_end); /* Receive ring end page */ DP_OUT(base, DP_PSTOP, dp->rx_buf_end); /* Receive ring end page */
dp->rx_next = dp->rx_buf_start-1; dp->rx_next = dp->rx_buf_start - 1;
dp->running = true; dp->running = true;
DP_OUT(base, DP_ISR, 0xFF); /* Clear any pending interrupts */ DP_OUT(base, DP_ISR, 0xFF); /* Clear any pending interrupts */
DP_OUT(base, DP_IMR, DP_IMR_All); /* Enable all interrupts */ DP_OUT(base, DP_IMR, DP_IMR_All); /* Enable all interrupts */
DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1 | DP_CR_STOP); /* Select page 1 */ DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1 | DP_CR_STOP); /* Select page 1 */
DP_OUT(base, DP_P1_CURP, dp->rx_buf_start); /* Current page - next free page for Rx */ DP_OUT(base, DP_P1_CURP, dp->rx_buf_start); /* Current page - next free page for Rx */
dp->running = true; dp->running = true;
for (i = 0; i < ETHER_ADDR_LEN; i++) { for (i = 0; i < ETHER_ADDR_LEN; i++) {
/* FIXME */ /* FIXME */
/*((vu_short*)( base + ((DP_P1_PAR0 + i) * 2) + /*((vu_short*)( base + ((DP_P1_PAR0 + i) * 2) +
* 0x1400)) = enaddr[i];*/ * 0x1400)) = enaddr[i];*/
@ -214,15 +217,15 @@ dp83902a_start(u8 * enaddr)
/* Enable and start device */ /* Enable and start device */
DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_START); DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_START);
DP_OUT(base, DP_TCR, DP_TCR_NORMAL); /* Normal transmit operations */ DP_OUT(base, DP_TCR, DP_TCR_NORMAL); /* Normal transmit operations */
DP_OUT(base, DP_RCR, DP_RCR_AB); /* Accept broadcast, no errors, no multicast */ DP_OUT(base, DP_RCR, DP_RCR_AB); /* Accept broadcast, no errors, no multicast */
dp->running = true; dp->running = true;
} }
/* /*
This routine is called to start the transmitter. It is split out from the * This routine is called to start the transmitter. It is split out from the
data handling routine so it may be called either when data becomes first * data handling routine so it may be called either when data becomes first
available or when an Tx interrupt occurs * available or when an Tx interrupt occurs
*/ */
static void static void
dp83902a_start_xmit(int start_page, int len) dp83902a_start_xmit(int start_page, int len)
@ -249,9 +252,9 @@ dp83902a_start_xmit(int start_page, int len)
} }
/* /*
This routine is called to send data to the hardware. It is known a-priori * This routine is called to send data to the hardware. It is known a-priori
that there is free buffer space (dp->tx_next). * that there is free buffer space (dp->tx_next).
*/ */
static void static void
dp83902a_send(u8 *data, int total_len, u32 key) dp83902a_send(u8 *data, int total_len, u32 key)
{ {
@ -265,7 +268,8 @@ dp83902a_send(u8 *data, int total_len, u32 key)
DEBUG_FUNCTION(); DEBUG_FUNCTION();
len = pkt_len = total_len; len = pkt_len = total_len;
if (pkt_len < IEEE_8023_MIN_FRAME) pkt_len = IEEE_8023_MIN_FRAME; if (pkt_len < IEEE_8023_MIN_FRAME)
pkt_len = IEEE_8023_MIN_FRAME;
start_page = dp->tx_next; start_page = dp->tx_next;
if (dp->tx_next == dp->tx_buf1) { if (dp->tx_next == dp->tx_buf1) {
@ -284,17 +288,19 @@ dp83902a_send(u8 *data, int total_len, u32 key)
printf("TX prep page %d len %d\n", start_page, pkt_len); printf("TX prep page %d len %d\n", start_page, pkt_len);
#endif #endif
DP_OUT(base, DP_ISR, DP_ISR_RDC); /* Clear end of DMA */ DP_OUT(base, DP_ISR, DP_ISR_RDC); /* Clear end of DMA */
{ {
/* Dummy read. The manual sez something slightly different, */ /*
/* but the code is extended a bit to do what Hitachi's monitor */ * Dummy read. The manual sez something slightly different,
/* does (i.e., also read data). */ * but the code is extended a bit to do what Hitachi's monitor
* does (i.e., also read data).
*/
u16 tmp; u16 tmp;
int len = 1; int len = 1;
DP_OUT(base, DP_RSAL, 0x100-len); DP_OUT(base, DP_RSAL, 0x100 - len);
DP_OUT(base, DP_RSAH, (start_page-1) & 0xff); DP_OUT(base, DP_RSAH, (start_page - 1) & 0xff);
DP_OUT(base, DP_RBCL, len); DP_OUT(base, DP_RBCL, len);
DP_OUT(base, DP_RBCH, 0); DP_OUT(base, DP_RBCH, 0);
DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_RDMA | DP_CR_START); DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_RDMA | DP_CR_START);
@ -302,8 +308,10 @@ dp83902a_send(u8 *data, int total_len, u32 key)
} }
#ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA #ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA
/* Stall for a bit before continuing to work around random data */ /*
/* corruption problems on some platforms. */ * Stall for a bit before continuing to work around random data
* corruption problems on some platforms.
*/
CYGACC_CALL_IF_DELAY_US(1); CYGACC_CALL_IF_DELAY_US(1);
#endif #endif
@ -336,16 +344,18 @@ dp83902a_send(u8 *data, int total_len, u32 key)
printf(" + %d bytes of padding\n", pkt_len - total_len); printf(" + %d bytes of padding\n", pkt_len - total_len);
#endif #endif
/* Padding to 802.3 length was required */ /* Padding to 802.3 length was required */
for (i = total_len; i < pkt_len;) { for (i = total_len; i < pkt_len;) {
i++; i++;
DP_OUT_DATA(dp->data, 0); DP_OUT_DATA(dp->data, 0);
} }
} }
#ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA #ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA
/* After last data write, delay for a bit before accessing the */ /*
/* device again, or we may get random data corruption in the last */ * After last data write, delay for a bit before accessing the
/* datum (on some platforms). */ * device again, or we may get random data corruption in the last
* datum (on some platforms).
*/
CYGACC_CALL_IF_DELAY_US(1); CYGACC_CALL_IF_DELAY_US(1);
#endif #endif
@ -360,21 +370,21 @@ dp83902a_send(u8 *data, int total_len, u32 key)
/* Start transmit if not already going */ /* Start transmit if not already going */
if (!dp->tx_started) { if (!dp->tx_started) {
if (start_page == dp->tx1) { if (start_page == dp->tx1) {
dp->tx_int = 1; /* Expecting interrupt from BUF1 */ dp->tx_int = 1; /* Expecting interrupt from BUF1 */
} else { } else {
dp->tx_int = 2; /* Expecting interrupt from BUF2 */ dp->tx_int = 2; /* Expecting interrupt from BUF2 */
} }
dp83902a_start_xmit(start_page, pkt_len); dp83902a_start_xmit(start_page, pkt_len);
} }
} }
/* /*
This function is called when a packet has been received. It's job is * This function is called when a packet has been received. It's job is
to prepare to unload the packet from the hardware. Once the length of * to prepare to unload the packet from the hardware. Once the length of
the packet is known, the upper layer of the driver can be told. When * the packet is known, the upper layer of the driver can be told. When
the upper layer is ready to unload the packet, the internal function * the upper layer is ready to unload the packet, the internal function
'dp83902a_recv' will be called to actually fetch it from the hardware. * 'dp83902a_recv' will be called to actually fetch it from the hardware.
*/ */
static void static void
dp83902a_RxEvent(void) dp83902a_RxEvent(void)
{ {
@ -407,9 +417,9 @@ dp83902a_RxEvent(void)
DP_OUT(base, DP_RSAH, pkt); DP_OUT(base, DP_RSAH, pkt);
if (dp->rx_next == pkt) { if (dp->rx_next == pkt) {
if (cur == dp->rx_buf_start) if (cur == dp->rx_buf_start)
DP_OUT(base, DP_BNDRY, dp->rx_buf_end-1); DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1);
else else
DP_OUT(base, DP_BNDRY, cur-1); /* Update pointer */ DP_OUT(base, DP_BNDRY, cur - 1); /* Update pointer */
return; return;
} }
dp->rx_next = pkt; dp->rx_next = pkt;
@ -420,13 +430,13 @@ dp83902a_RxEvent(void)
#endif #endif
/* read header (get data size)*/ /* read header (get data size)*/
for (i = 0; i < sizeof(rcv_hdr);) { for (i = 0; i < sizeof(rcv_hdr);) {
DP_IN_DATA(dp->data, rcv_hdr[i++]); DP_IN_DATA(dp->data, rcv_hdr[i++]);
} }
#if DEBUG & 5 #if DEBUG & 5
printf("rx hdr %02x %02x %02x %02x\n", printf("rx hdr %02x %02x %02x %02x\n",
rcv_hdr[0], rcv_hdr[1], rcv_hdr[2], rcv_hdr[3]); rcv_hdr[0], rcv_hdr[1], rcv_hdr[2], rcv_hdr[3]);
#endif #endif
len = ((rcv_hdr[3] << 8) | rcv_hdr[2]) - sizeof(rcv_hdr); len = ((rcv_hdr[3] << 8) | rcv_hdr[2]) - sizeof(rcv_hdr);
@ -434,19 +444,19 @@ dp83902a_RxEvent(void)
uboot_push_packet_len(len); uboot_push_packet_len(len);
if (rcv_hdr[1] == dp->rx_buf_start) if (rcv_hdr[1] == dp->rx_buf_start)
DP_OUT(base, DP_BNDRY, dp->rx_buf_end-1); DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1);
else else
DP_OUT(base, DP_BNDRY, rcv_hdr[1]-1); /* Update pointer */ DP_OUT(base, DP_BNDRY, rcv_hdr[1] - 1); /* Update pointer */
} }
} }
/* /*
This function is called as a result of the "eth_drv_recv()" call above. * This function is called as a result of the "eth_drv_recv()" call above.
It's job is to actually fetch data for a packet from the hardware once * It's job is to actually fetch data for a packet from the hardware once
memory buffers have been allocated for the packet. Note that the buffers * memory buffers have been allocated for the packet. Note that the buffers
may come in pieces, using a scatter-gather list. This allows for more * may come in pieces, using a scatter-gather list. This allows for more
efficient processing in the upper layers of the stack. * efficient processing in the upper layers of the stack.
*/ */
static void static void
dp83902a_recv(u8 *data, int len) dp83902a_recv(u8 *data, int len)
{ {
@ -478,7 +488,7 @@ dp83902a_recv(u8 *data, int len)
#endif #endif
saved = false; saved = false;
for (i = 0; i < 1; i++) { for (i = 0; i < 1; i++) {
if (data) { if (data) {
mlen = len; mlen = len;
#if DEBUG & 4 #if DEBUG & 4
@ -545,8 +555,10 @@ dp83902a_TxEvent(void)
uboot_push_tx_done(key, 0); uboot_push_tx_done(key, 0);
} }
/* Read the tally counters to clear them. Called in response to a CNT */ /*
/* interrupt. */ * Read the tally counters to clear them. Called in response to a CNT
* interrupt.
*/
static void static void
dp83902a_ClearCounters(void) dp83902a_ClearCounters(void)
{ {
@ -560,8 +572,10 @@ dp83902a_ClearCounters(void)
DP_OUT(base, DP_ISR, DP_ISR_CNT); DP_OUT(base, DP_ISR, DP_ISR_CNT);
} }
/* Deal with an overflow condition. This code follows the procedure set */ /*
/* out in section 7.0 of the datasheet. */ * Deal with an overflow condition. This code follows the procedure set
* out in section 7.0 of the datasheet.
*/
static void static void
dp83902a_Overflow(void) dp83902a_Overflow(void)
{ {
@ -581,9 +595,11 @@ dp83902a_Overflow(void)
DP_OUT(base, DP_TCR, DP_TCR_LOCAL); DP_OUT(base, DP_TCR, DP_TCR_LOCAL);
DP_OUT(base, DP_CR, DP_CR_START | DP_CR_NODMA); DP_OUT(base, DP_CR, DP_CR_START | DP_CR_NODMA);
/* Read in as many packets as we can and acknowledge any and receive */ /*
/* interrupts. Since the buffer has overflowed, a receive event of */ * Read in as many packets as we can and acknowledge any and receive
/* some kind will have occured. */ * interrupts. Since the buffer has overflowed, a receive event of
* some kind will have occured.
*/
dp83902a_RxEvent(); dp83902a_RxEvent();
DP_OUT(base, DP_ISR, DP_ISR_RxP|DP_ISR_RxE); DP_OUT(base, DP_ISR, DP_ISR_RxP|DP_ISR_RxE);
@ -591,8 +607,10 @@ dp83902a_Overflow(void)
DP_OUT(base, DP_ISR, DP_ISR_OFLW); DP_OUT(base, DP_ISR, DP_ISR_OFLW);
DP_OUT(base, DP_TCR, DP_TCR_NORMAL); DP_OUT(base, DP_TCR, DP_TCR_NORMAL);
/* If a transmit command was issued, but no transmit event has occured, */ /*
/* restart it here. */ * If a transmit command was issued, but no transmit event has occured,
* restart it here.
*/
DP_IN(base, DP_ISR, isr); DP_IN(base, DP_ISR, isr);
if (dp->tx_started && !(isr & (DP_ISR_TxP|DP_ISR_TxE))) { if (dp->tx_started && !(isr & (DP_ISR_TxP|DP_ISR_TxE))) {
DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_TXPKT | DP_CR_START); DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_TXPKT | DP_CR_START);
@ -609,25 +627,33 @@ dp83902a_poll(void)
DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0 | DP_CR_START); DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0 | DP_CR_START);
DP_IN(base, DP_ISR, isr); DP_IN(base, DP_ISR, isr);
while (0 != isr) { while (0 != isr) {
/* The CNT interrupt triggers when the MSB of one of the error */ /*
/* counters is set. We don't much care about these counters, but */ * The CNT interrupt triggers when the MSB of one of the error
/* we should read their values to reset them. */ * counters is set. We don't much care about these counters, but
* we should read their values to reset them.
*/
if (isr & DP_ISR_CNT) { if (isr & DP_ISR_CNT) {
dp83902a_ClearCounters(); dp83902a_ClearCounters();
} }
/* Check for overflow. It's a special case, since there's a */ /*
/* particular procedure that must be followed to get back into */ * Check for overflow. It's a special case, since there's a
/* a running state.a */ * particular procedure that must be followed to get back into
* a running state.a
*/
if (isr & DP_ISR_OFLW) { if (isr & DP_ISR_OFLW) {
dp83902a_Overflow(); dp83902a_Overflow();
} else { } else {
/* Other kinds of interrupts can be acknowledged simply by */ /*
/* clearing the relevant bits of the ISR. Do that now, then */ * Other kinds of interrupts can be acknowledged simply by
/* handle the interrupts we care about. */ * clearing the relevant bits of the ISR. Do that now, then
DP_OUT(base, DP_ISR, isr); /* Clear set bits */ * handle the interrupts we care about.
*/
DP_OUT(base, DP_ISR, isr); /* Clear set bits */
if (!dp->running) break; /* Is this necessary? */ if (!dp->running) break; /* Is this necessary? */
/* Check for tx_started on TX event since these may happen */ /*
/* spuriously it seems. */ * Check for tx_started on TX event since these may happen
* spuriously it seems.
*/
if (isr & (DP_ISR_TxP|DP_ISR_TxE) && dp->tx_started) { if (isr & (DP_ISR_TxP|DP_ISR_TxE) && dp->tx_started) {
dp83902a_TxEvent(); dp83902a_TxEvent();
} }
@ -658,8 +684,8 @@ typedef struct hw_info_t {
#define HAS_MII 0x40 #define HAS_MII 0x40
#define USE_SHMEM 0x80 /* autodetected */ #define USE_SHMEM 0x80 /* autodetected */
#define AM79C9XX_HOME_PHY 0x00006B90 /* HomePNA PHY */ #define AM79C9XX_HOME_PHY 0x00006B90 /* HomePNA PHY */
#define AM79C9XX_ETH_PHY 0x00006B70 /* 10baseT PHY */ #define AM79C9XX_ETH_PHY 0x00006B70 /* 10baseT PHY */
#define MII_PHYID_REV_MASK 0xfffffff0 #define MII_PHYID_REV_MASK 0xfffffff0
#define MII_PHYID_REG1 0x02 #define MII_PHYID_REG1 0x02
#define MII_PHYID_REG2 0x03 #define MII_PHYID_REG2 0x03
@ -669,7 +695,7 @@ static hw_info_t hw_info[] = {
{ /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 }, { /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 },
{ /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 }, { /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 },
{ /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94, { /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94,
DELAY_OUTPUT | HAS_IBM_MISC }, DELAY_OUTPUT | HAS_IBM_MISC },
{ /* Danpex EN-6200P2 */ 0x0110, 0x00, 0x40, 0xc7, 0 }, { /* Danpex EN-6200P2 */ 0x0110, 0x00, 0x40, 0xc7, 0 },
{ /* DataTrek NetCard */ 0x0ff0, 0x00, 0x20, 0xe8, 0 }, { /* DataTrek NetCard */ 0x0ff0, 0x00, 0x20, 0xe8, 0 },
{ /* Dayna CommuniCard E */ 0x0110, 0x00, 0x80, 0x19, 0 }, { /* Dayna CommuniCard E */ 0x0110, 0x00, 0x80, 0x19, 0 },
@ -677,48 +703,48 @@ static hw_info_t hw_info[] = {
{ /* EP-210 Ethernet */ 0x0110, 0x00, 0x40, 0x33, 0 }, { /* EP-210 Ethernet */ 0x0110, 0x00, 0x40, 0x33, 0 },
{ /* EP4000 Ethernet */ 0x01c0, 0x00, 0x00, 0xb4, 0 }, { /* EP4000 Ethernet */ 0x01c0, 0x00, 0x00, 0xb4, 0 },
{ /* Epson EEN10B */ 0x0ff0, 0x00, 0x00, 0x48, { /* Epson EEN10B */ 0x0ff0, 0x00, 0x00, 0x48,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* ELECOM Laneed LD-CDWA */ 0xb8, 0x08, 0x00, 0x42, 0 }, { /* ELECOM Laneed LD-CDWA */ 0xb8, 0x08, 0x00, 0x42, 0 },
{ /* Hypertec Ethernet */ 0x01c0, 0x00, 0x40, 0x4c, 0 }, { /* Hypertec Ethernet */ 0x01c0, 0x00, 0x40, 0x4c, 0 },
{ /* IBM CCAE */ 0x0ff0, 0x08, 0x00, 0x5a, { /* IBM CCAE */ 0x0ff0, 0x08, 0x00, 0x5a,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* IBM CCAE */ 0x0ff0, 0x00, 0x04, 0xac, { /* IBM CCAE */ 0x0ff0, 0x00, 0x04, 0xac,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* IBM CCAE */ 0x0ff0, 0x00, 0x06, 0x29, { /* IBM CCAE */ 0x0ff0, 0x00, 0x06, 0x29,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* IBM FME */ 0x0374, 0x08, 0x00, 0x5a, { /* IBM FME */ 0x0374, 0x08, 0x00, 0x5a,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* IBM FME */ 0x0374, 0x00, 0x04, 0xac, { /* IBM FME */ 0x0374, 0x00, 0x04, 0xac,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* Kansai KLA-PCM/T */ 0x0ff0, 0x00, 0x60, 0x87, { /* Kansai KLA-PCM/T */ 0x0ff0, 0x00, 0x60, 0x87,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* NSC DP83903 */ 0x0374, 0x08, 0x00, 0x17, { /* NSC DP83903 */ 0x0374, 0x08, 0x00, 0x17,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* NSC DP83903 */ 0x0374, 0x00, 0xc0, 0xa8, { /* NSC DP83903 */ 0x0374, 0x00, 0xc0, 0xa8,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* NSC DP83903 */ 0x0374, 0x00, 0xa0, 0xb0, { /* NSC DP83903 */ 0x0374, 0x00, 0xa0, 0xb0,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* NSC DP83903 */ 0x0198, 0x00, 0x20, 0xe0, { /* NSC DP83903 */ 0x0198, 0x00, 0x20, 0xe0,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* I-O DATA PCLA/T */ 0x0ff0, 0x00, 0xa0, 0xb0, 0 }, { /* I-O DATA PCLA/T */ 0x0ff0, 0x00, 0xa0, 0xb0, 0 },
{ /* Katron PE-520 */ 0x0110, 0x00, 0x40, 0xf6, 0 }, { /* Katron PE-520 */ 0x0110, 0x00, 0x40, 0xf6, 0 },
{ /* Kingston KNE-PCM/x */ 0x0ff0, 0x00, 0xc0, 0xf0, { /* Kingston KNE-PCM/x */ 0x0ff0, 0x00, 0xc0, 0xf0,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* Kingston KNE-PCM/x */ 0x0ff0, 0xe2, 0x0c, 0x0f, { /* Kingston KNE-PCM/x */ 0x0ff0, 0xe2, 0x0c, 0x0f,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* Kingston KNE-PC2 */ 0x0180, 0x00, 0xc0, 0xf0, 0 }, { /* Kingston KNE-PC2 */ 0x0180, 0x00, 0xc0, 0xf0, 0 },
{ /* Maxtech PCN2000 */ 0x5000, 0x00, 0x00, 0xe8, 0 }, { /* Maxtech PCN2000 */ 0x5000, 0x00, 0x00, 0xe8, 0 },
{ /* NDC Instant-Link */ 0x003a, 0x00, 0x80, 0xc6, 0 }, { /* NDC Instant-Link */ 0x003a, 0x00, 0x80, 0xc6, 0 },
{ /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 }, { /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 },
{ /* Network General Sniffer */ 0x0ff0, 0x00, 0x00, 0x65, { /* Network General Sniffer */ 0x0ff0, 0x00, 0x00, 0x65,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45, { /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45,
HAS_MISC_REG | HAS_IBM_MISC }, HAS_MISC_REG | HAS_IBM_MISC },
{ /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 }, { /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 },
{ /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 }, { /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 },
{ /* SCM Ethernet */ 0x0ff0, 0x00, 0x20, 0xcb, 0 }, { /* SCM Ethernet */ 0x0ff0, 0x00, 0x20, 0xcb, 0 },
{ /* Socket EA */ 0x4000, 0x00, 0xc0, 0x1b, { /* Socket EA */ 0x4000, 0x00, 0xc0, 0x1b,
DELAY_OUTPUT | HAS_MISC_REG | USE_BIG_BUF }, DELAY_OUTPUT | HAS_MISC_REG | USE_BIG_BUF },
{ /* Socket LP-E CF+ */ 0x01c0, 0x00, 0xc0, 0x1b, 0 }, { /* Socket LP-E CF+ */ 0x01c0, 0x00, 0xc0, 0x1b, 0 },
{ /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 }, { /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 },
{ /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 }, { /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 },
@ -744,11 +770,11 @@ u32 nic_base;
static u8 *pbuf = NULL; static u8 *pbuf = NULL;
static int pkey = -1; static int pkey = -1;
static int initialized=0; static int initialized = 0;
void uboot_push_packet_len(int len) { void uboot_push_packet_len(int len) {
PRINTK("pushed len = %d\n", len); PRINTK("pushed len = %d\n", len);
if (len>=2000) { if (len >= 2000) {
printf("NE2000: packet too big\n"); printf("NE2000: packet too big\n");
return; return;
} }
@ -779,7 +805,7 @@ int eth_init(bd_t *bd) {
#ifdef CONFIG_DRIVER_NE2000_CCR #ifdef CONFIG_DRIVER_NE2000_CCR
{ {
vu_char *p = (vu_char *) CONFIG_DRIVER_NE2000_CCR; vu_char *p = (vu_char *) CONFIG_DRIVER_NE2000_CCR;
PRINTK("CCR before is %x\n", *p); PRINTK("CCR before is %x\n", *p);
*p = CONFIG_DRIVER_NE2000_VAL; *p = CONFIG_DRIVER_NE2000_VAL;
@ -811,7 +837,7 @@ int eth_init(bd_t *bd) {
return -1; return -1;
dp83902a_start(dev_addr); dp83902a_start(dev_addr);
initialized=1; initialized = 1;
return 0; return 0;
} }
@ -821,7 +847,7 @@ void eth_halt() {
PRINTK("### eth_halt\n"); PRINTK("### eth_halt\n");
if(initialized) if(initialized)
dp83902a_stop(); dp83902a_stop();
initialized=0; initialized = 0;
} }
int eth_rx() { int eth_rx() {

View file

@ -1,5 +1,5 @@
/* /*
Ported to U-Boot by Christian Pellegrin <chri@ascensit.com> Ported to U-Boot by Christian Pellegrin <chri@ascensit.com>
Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
@ -7,9 +7,9 @@ are GPL, so this is, of course, GPL.
========================================================================== ==========================================================================
dev/dp83902a.h dev/dp83902a.h
National Semiconductor DP83902a ethernet chip National Semiconductor DP83902a ethernet chip
========================================================================== ==========================================================================
####ECOSGPLCOPYRIGHTBEGIN#### ####ECOSGPLCOPYRIGHTBEGIN####
@ -57,9 +57,9 @@ are GPL, so this is, of course, GPL.
========================================================================== ==========================================================================
#####DESCRIPTIONBEGIN#### #####DESCRIPTIONBEGIN####
Author(s): gthomas Author(s): gthomas
Contributors: gthomas, jskov Contributors: gthomas, jskov
Date: 2001-06-13 Date: 2001-06-13
Purpose: Purpose:
Description: Description:
@ -79,17 +79,17 @@ are GPL, so this is, of course, GPL.
/* Enable NE2000 basic init function */ /* Enable NE2000 basic init function */
#define NE2000_BASIC_INIT #define NE2000_BASIC_INIT
#define DP_DATA 0x10 #define DP_DATA 0x10
#define START_PG 0x50 /* First page of TX buffer */ #define START_PG 0x50 /* First page of TX buffer */
#define STOP_PG 0x80 /* Last page +1 of RX ring */ #define STOP_PG 0x80 /* Last page +1 of RX ring */
#define RX_START 0x50 #define RX_START 0x50
#define RX_END 0x80 #define RX_END 0x80
#define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_char *) ((_b_)+(_o_))) #define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_char *) ((_b_)+(_o_)))
#define DP_OUT(_b_, _o_, _d_) *( (vu_char *) ((_b_)+(_o_))) = (_d_) #define DP_OUT(_b_, _o_, _d_) *( (vu_char *) ((_b_)+(_o_))) = (_d_)
#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_char *) ((_b_))) #define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_char *) ((_b_)))
#define DP_OUT_DATA(_b_, _d_) *( (vu_char *) ((_b_))) = (_d_) #define DP_OUT_DATA(_b_, _d_) *( (vu_char *) ((_b_))) = (_d_)
static void pcnet_reset_8390(void) static void pcnet_reset_8390(void)
{ {

View file

@ -1,5 +1,5 @@
/* /*
Ported to U-Boot by Christian Pellegrin <chri@ascensit.com> Ported to U-Boot by Christian Pellegrin <chri@ascensit.com>
Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
@ -8,9 +8,9 @@ are GPL, so this is, of course, GPL.
========================================================================== ==========================================================================
dev/dp83902a.h dev/dp83902a.h
National Semiconductor DP83902a ethernet chip National Semiconductor DP83902a ethernet chip
========================================================================== ==========================================================================
####ECOSGPLCOPYRIGHTBEGIN#### ####ECOSGPLCOPYRIGHTBEGIN####
@ -58,9 +58,9 @@ are GPL, so this is, of course, GPL.
========================================================================== ==========================================================================
#####DESCRIPTIONBEGIN#### #####DESCRIPTIONBEGIN####
Author(s): gthomas Author(s): gthomas
Contributors: gthomas, jskov Contributors: gthomas, jskov
Date: 2001-06-13 Date: 2001-06-13
Purpose: Purpose:
Description: Description:
@ -76,6 +76,9 @@ are GPL, so this is, of course, GPL.
These can be overridden by the platform header These can be overridden by the platform header
*/ */
#ifndef __NE2000_BASE_H__
#define __NE2000_BASE_H__
#define bool int #define bool int
#define false 0 #define false 0
@ -92,191 +95,191 @@ are GPL, so this is, of course, GPL.
/* H/W infomation struct */ /* H/W infomation struct */
typedef struct hw_info_t { typedef struct hw_info_t {
u32 offset; u32 offset;
u8 a0, a1, a2; u8 a0, a1, a2;
u32 flags; u32 flags;
} hw_info_t; } hw_info_t;
typedef struct dp83902a_priv_data { typedef struct dp83902a_priv_data {
u8* base; u8* base;
u8* data; u8* data;
u8* reset; u8* reset;
int tx_next; /* First free Tx page */ int tx_next; /* First free Tx page */
int tx_int; /* Expecting interrupt from this buffer */ int tx_int; /* Expecting interrupt from this buffer */
int rx_next; /* First free Rx page */ int rx_next; /* First free Rx page */
int tx1, tx2; /* Page numbers for Tx buffers */ int tx1, tx2; /* Page numbers for Tx buffers */
u32 tx1_key, tx2_key; /* Used to ack when packet sent */ u32 tx1_key, tx2_key; /* Used to ack when packet sent */
int tx1_len, tx2_len; int tx1_len, tx2_len;
bool tx_started, running, hardwired_esa; bool tx_started, running, hardwired_esa;
u8 esa[6]; u8 esa[6];
void* plf_priv; void* plf_priv;
/* Buffer allocation */ /* Buffer allocation */
int tx_buf1, tx_buf2; int tx_buf1, tx_buf2;
int rx_buf_start, rx_buf_end; int rx_buf_start, rx_buf_end;
} dp83902a_priv_data_t; } dp83902a_priv_data_t;
/* /*
------------------------------------------------------------------------ * Some forward declarations
Some forward declarations */
*/
int get_prom( u8* mac_addr); int get_prom( u8* mac_addr);
static void dp83902a_poll(void); static void dp83902a_poll(void);
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */
/* Register offsets */ /* Register offsets */
#define DP_CR 0x00 #define DP_CR 0x00
#define DP_CLDA0 0x01 #define DP_CLDA0 0x01
#define DP_PSTART 0x01 /* write */ #define DP_PSTART 0x01 /* write */
#define DP_CLDA1 0x02 #define DP_CLDA1 0x02
#define DP_PSTOP 0x02 /* write */ #define DP_PSTOP 0x02 /* write */
#define DP_BNDRY 0x03 #define DP_BNDRY 0x03
#define DP_TSR 0x04 #define DP_TSR 0x04
#define DP_TPSR 0x04 /* write */ #define DP_TPSR 0x04 /* write */
#define DP_NCR 0x05 #define DP_NCR 0x05
#define DP_TBCL 0x05 /* write */ #define DP_TBCL 0x05 /* write */
#define DP_FIFO 0x06 #define DP_FIFO 0x06
#define DP_TBCH 0x06 /* write */ #define DP_TBCH 0x06 /* write */
#define DP_ISR 0x07 #define DP_ISR 0x07
#define DP_CRDA0 0x08 #define DP_CRDA0 0x08
#define DP_RSAL 0x08 /* write */ #define DP_RSAL 0x08 /* write */
#define DP_CRDA1 0x09 #define DP_CRDA1 0x09
#define DP_RSAH 0x09 /* write */ #define DP_RSAH 0x09 /* write */
#define DP_RBCL 0x0a /* write */ #define DP_RBCL 0x0a /* write */
#define DP_RBCH 0x0b /* write */ #define DP_RBCH 0x0b /* write */
#define DP_RSR 0x0c #define DP_RSR 0x0c
#define DP_RCR 0x0c /* write */ #define DP_RCR 0x0c /* write */
#define DP_FER 0x0d #define DP_FER 0x0d
#define DP_TCR 0x0d /* write */ #define DP_TCR 0x0d /* write */
#define DP_CER 0x0e #define DP_CER 0x0e
#define DP_DCR 0x0e /* write */ #define DP_DCR 0x0e /* write */
#define DP_MISSED 0x0f #define DP_MISSED 0x0f
#define DP_IMR 0x0f /* write */ #define DP_IMR 0x0f /* write */
#define DP_DATAPORT 0x10 /* "eprom" data port */ #define DP_DATAPORT 0x10 /* "eprom" data port */
#define DP_P1_CR 0x00 #define DP_P1_CR 0x00
#define DP_P1_PAR0 0x01 #define DP_P1_PAR0 0x01
#define DP_P1_PAR1 0x02 #define DP_P1_PAR1 0x02
#define DP_P1_PAR2 0x03 #define DP_P1_PAR2 0x03
#define DP_P1_PAR3 0x04 #define DP_P1_PAR3 0x04
#define DP_P1_PAR4 0x05 #define DP_P1_PAR4 0x05
#define DP_P1_PAR5 0x06 #define DP_P1_PAR5 0x06
#define DP_P1_CURP 0x07 #define DP_P1_CURP 0x07
#define DP_P1_MAR0 0x08 #define DP_P1_MAR0 0x08
#define DP_P1_MAR1 0x09 #define DP_P1_MAR1 0x09
#define DP_P1_MAR2 0x0a #define DP_P1_MAR2 0x0a
#define DP_P1_MAR3 0x0b #define DP_P1_MAR3 0x0b
#define DP_P1_MAR4 0x0c #define DP_P1_MAR4 0x0c
#define DP_P1_MAR5 0x0d #define DP_P1_MAR5 0x0d
#define DP_P1_MAR6 0x0e #define DP_P1_MAR6 0x0e
#define DP_P1_MAR7 0x0f #define DP_P1_MAR7 0x0f
#define DP_P2_CR 0x00 #define DP_P2_CR 0x00
#define DP_P2_PSTART 0x01 #define DP_P2_PSTART 0x01
#define DP_P2_CLDA0 0x01 /* write */ #define DP_P2_CLDA0 0x01 /* write */
#define DP_P2_PSTOP 0x02 #define DP_P2_PSTOP 0x02
#define DP_P2_CLDA1 0x02 /* write */ #define DP_P2_CLDA1 0x02 /* write */
#define DP_P2_RNPP 0x03 #define DP_P2_RNPP 0x03
#define DP_P2_TPSR 0x04 #define DP_P2_TPSR 0x04
#define DP_P2_LNPP 0x05 #define DP_P2_LNPP 0x05
#define DP_P2_ACH 0x06 #define DP_P2_ACH 0x06
#define DP_P2_ACL 0x07 #define DP_P2_ACL 0x07
#define DP_P2_RCR 0x0c #define DP_P2_RCR 0x0c
#define DP_P2_TCR 0x0d #define DP_P2_TCR 0x0d
#define DP_P2_DCR 0x0e #define DP_P2_DCR 0x0e
#define DP_P2_IMR 0x0f #define DP_P2_IMR 0x0f
/* Command register - common to all pages */ /* Command register - common to all pages */
#define DP_CR_STOP 0x01 /* Stop: software reset */ #define DP_CR_STOP 0x01 /* Stop: software reset */
#define DP_CR_START 0x02 /* Start: initialize device */ #define DP_CR_START 0x02 /* Start: initialize device */
#define DP_CR_TXPKT 0x04 /* Transmit packet */ #define DP_CR_TXPKT 0x04 /* Transmit packet */
#define DP_CR_RDMA 0x08 /* Read DMA (recv data from device) */ #define DP_CR_RDMA 0x08 /* Read DMA (recv data from device) */
#define DP_CR_WDMA 0x10 /* Write DMA (send data to device) */ #define DP_CR_WDMA 0x10 /* Write DMA (send data to device) */
#define DP_CR_SEND 0x18 /* Send packet */ #define DP_CR_SEND 0x18 /* Send packet */
#define DP_CR_NODMA 0x20 /* Remote (or no) DMA */ #define DP_CR_NODMA 0x20 /* Remote (or no) DMA */
#define DP_CR_PAGE0 0x00 /* Page select */ #define DP_CR_PAGE0 0x00 /* Page select */
#define DP_CR_PAGE1 0x40 #define DP_CR_PAGE1 0x40
#define DP_CR_PAGE2 0x80 #define DP_CR_PAGE2 0x80
#define DP_CR_PAGEMSK 0x3F /* Used to mask out page bits */ #define DP_CR_PAGEMSK 0x3F /* Used to mask out page bits */
/* Data configuration register */ /* Data configuration register */
#define DP_DCR_WTS 0x01 /* 1=16 bit word transfers */ #define DP_DCR_WTS 0x01 /* 1=16 bit word transfers */
#define DP_DCR_BOS 0x02 /* 1=Little Endian */ #define DP_DCR_BOS 0x02 /* 1=Little Endian */
#define DP_DCR_LAS 0x04 /* 1=Single 32 bit DMA mode */ #define DP_DCR_LAS 0x04 /* 1=Single 32 bit DMA mode */
#define DP_DCR_LS 0x08 /* 1=normal mode, 0=loopback */ #define DP_DCR_LS 0x08 /* 1=normal mode, 0=loopback */
#define DP_DCR_ARM 0x10 /* 0=no send command (program I/O) */ #define DP_DCR_ARM 0x10 /* 0=no send command (program I/O) */
#define DP_DCR_FIFO_1 0x00 /* FIFO threshold */ #define DP_DCR_FIFO_1 0x00 /* FIFO threshold */
#define DP_DCR_FIFO_2 0x20 #define DP_DCR_FIFO_2 0x20
#define DP_DCR_FIFO_4 0x40 #define DP_DCR_FIFO_4 0x40
#define DP_DCR_FIFO_6 0x60 #define DP_DCR_FIFO_6 0x60
#define DP_DCR_INIT (DP_DCR_LS|DP_DCR_FIFO_4) #define DP_DCR_INIT (DP_DCR_LS|DP_DCR_FIFO_4)
/* Interrupt status register */ /* Interrupt status register */
#define DP_ISR_RxP 0x01 /* Packet received */ #define DP_ISR_RxP 0x01 /* Packet received */
#define DP_ISR_TxP 0x02 /* Packet transmitted */ #define DP_ISR_TxP 0x02 /* Packet transmitted */
#define DP_ISR_RxE 0x04 /* Receive error */ #define DP_ISR_RxE 0x04 /* Receive error */
#define DP_ISR_TxE 0x08 /* Transmit error */ #define DP_ISR_TxE 0x08 /* Transmit error */
#define DP_ISR_OFLW 0x10 /* Receive overflow */ #define DP_ISR_OFLW 0x10 /* Receive overflow */
#define DP_ISR_CNT 0x20 /* Tally counters need emptying */ #define DP_ISR_CNT 0x20 /* Tally counters need emptying */
#define DP_ISR_RDC 0x40 /* Remote DMA complete */ #define DP_ISR_RDC 0x40 /* Remote DMA complete */
#define DP_ISR_RESET 0x80 /* Device has reset (shutdown, error) */ #define DP_ISR_RESET 0x80 /* Device has reset (shutdown, error) */
/* Interrupt mask register */ /* Interrupt mask register */
#define DP_IMR_RxP 0x01 /* Packet received */ #define DP_IMR_RxP 0x01 /* Packet received */
#define DP_IMR_TxP 0x02 /* Packet transmitted */ #define DP_IMR_TxP 0x02 /* Packet transmitted */
#define DP_IMR_RxE 0x04 /* Receive error */ #define DP_IMR_RxE 0x04 /* Receive error */
#define DP_IMR_TxE 0x08 /* Transmit error */ #define DP_IMR_TxE 0x08 /* Transmit error */
#define DP_IMR_OFLW 0x10 /* Receive overflow */ #define DP_IMR_OFLW 0x10 /* Receive overflow */
#define DP_IMR_CNT 0x20 /* Tall counters need emptying */ #define DP_IMR_CNT 0x20 /* Tall counters need emptying */
#define DP_IMR_RDC 0x40 /* Remote DMA complete */ #define DP_IMR_RDC 0x40 /* Remote DMA complete */
#define DP_IMR_All 0x3F /* Everything but remote DMA */ #define DP_IMR_All 0x3F /* Everything but remote DMA */
/* Receiver control register */ /* Receiver control register */
#define DP_RCR_SEP 0x01 /* Save bad(error) packets */ #define DP_RCR_SEP 0x01 /* Save bad(error) packets */
#define DP_RCR_AR 0x02 /* Accept runt packets */ #define DP_RCR_AR 0x02 /* Accept runt packets */
#define DP_RCR_AB 0x04 /* Accept broadcast packets */ #define DP_RCR_AB 0x04 /* Accept broadcast packets */
#define DP_RCR_AM 0x08 /* Accept multicast packets */ #define DP_RCR_AM 0x08 /* Accept multicast packets */
#define DP_RCR_PROM 0x10 /* Promiscuous mode */ #define DP_RCR_PROM 0x10 /* Promiscuous mode */
#define DP_RCR_MON 0x20 /* Monitor mode - 1=accept no packets */ #define DP_RCR_MON 0x20 /* Monitor mode - 1=accept no packets */
/* Receiver status register */ /* Receiver status register */
#define DP_RSR_RxP 0x01 /* Packet received */ #define DP_RSR_RxP 0x01 /* Packet received */
#define DP_RSR_CRC 0x02 /* CRC error */ #define DP_RSR_CRC 0x02 /* CRC error */
#define DP_RSR_FRAME 0x04 /* Framing error */ #define DP_RSR_FRAME 0x04 /* Framing error */
#define DP_RSR_FO 0x08 /* FIFO overrun */ #define DP_RSR_FO 0x08 /* FIFO overrun */
#define DP_RSR_MISS 0x10 /* Missed packet */ #define DP_RSR_MISS 0x10 /* Missed packet */
#define DP_RSR_PHY 0x20 /* 0=pad match, 1=mad match */ #define DP_RSR_PHY 0x20 /* 0=pad match, 1=mad match */
#define DP_RSR_DIS 0x40 /* Receiver disabled */ #define DP_RSR_DIS 0x40 /* Receiver disabled */
#define DP_RSR_DFR 0x80 /* Receiver processing deferred */ #define DP_RSR_DFR 0x80 /* Receiver processing deferred */
/* Transmitter control register */ /* Transmitter control register */
#define DP_TCR_NOCRC 0x01 /* 1=inhibit CRC */ #define DP_TCR_NOCRC 0x01 /* 1=inhibit CRC */
#define DP_TCR_NORMAL 0x00 /* Normal transmitter operation */ #define DP_TCR_NORMAL 0x00 /* Normal transmitter operation */
#define DP_TCR_LOCAL 0x02 /* Internal NIC loopback */ #define DP_TCR_LOCAL 0x02 /* Internal NIC loopback */
#define DP_TCR_INLOOP 0x04 /* Full internal loopback */ #define DP_TCR_INLOOP 0x04 /* Full internal loopback */
#define DP_TCR_OUTLOOP 0x08 /* External loopback */ #define DP_TCR_OUTLOOP 0x08 /* External loopback */
#define DP_TCR_ATD 0x10 /* Auto transmit disable */ #define DP_TCR_ATD 0x10 /* Auto transmit disable */
#define DP_TCR_OFFSET 0x20 /* Collision offset adjust */ #define DP_TCR_OFFSET 0x20 /* Collision offset adjust */
/* Transmit status register */ /* Transmit status register */
#define DP_TSR_TxP 0x01 /* Packet transmitted */ #define DP_TSR_TxP 0x01 /* Packet transmitted */
#define DP_TSR_COL 0x04 /* Collision (at least one) */ #define DP_TSR_COL 0x04 /* Collision (at least one) */
#define DP_TSR_ABT 0x08 /* Aborted because of too many collisions */ #define DP_TSR_ABT 0x08 /* Aborted because of too many collisions */
#define DP_TSR_CRS 0x10 /* Lost carrier */ #define DP_TSR_CRS 0x10 /* Lost carrier */
#define DP_TSR_FU 0x20 /* FIFO underrun */ #define DP_TSR_FU 0x20 /* FIFO underrun */
#define DP_TSR_CDH 0x40 /* Collision Detect Heartbeat */ #define DP_TSR_CDH 0x40 /* Collision Detect Heartbeat */
#define DP_TSR_OWC 0x80 /* Collision outside normal window */ #define DP_TSR_OWC 0x80 /* Collision outside normal window */
#define IEEE_8023_MAX_FRAME 1518 /* Largest possible ethernet frame */ #define IEEE_8023_MAX_FRAME 1518 /* Largest possible ethernet frame */
#define IEEE_8023_MIN_FRAME 64 /* Smallest possible ethernet frame */ #define IEEE_8023_MIN_FRAME 64 /* Smallest possible ethernet frame */
#endif /* __NE2000_BASE_H__ */