diff options
Diffstat (limited to 'drivers/net/ne2000.c')
-rw-r--r-- | drivers/net/ne2000.c | 276 |
1 files changed, 151 insertions, 125 deletions
diff --git a/drivers/net/ne2000.c b/drivers/net/ne2000.c index 99baeea..d09da78 100644 --- a/drivers/net/ne2000.c +++ b/drivers/net/ne2000.c @@ -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 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#### -Author(s): gthomas -Contributors: gthomas, jskov, rsandifo -Date: 2001-06-13 +Author(s): gthomas +Contributors: gthomas, jskov, rsandifo +Date: 2001-06-13 Purpose: 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 SNMP @@ -77,24 +77,26 @@ Add SNMP #include <net.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 */ void uboot_push_packet_len(int len); void uboot_push_tx_done(int key, int val); /* - ------------------------------------------------------------------------ - Debugging details - - Set to perms of: - 0 disables all debug output - 1 for process debug output - 2 for added data IO output: get_reg, put_reg - 4 for packet allocation/free output - 8 for only startup status, so we can tell we're installed OK -*/ -/*#define DEBUG 0xf*/ + * Debugging details + * + * Set to perms of: + * 0 disables all debug output + * 1 for process debug output + * 2 for added data IO output: get_reg, put_reg + * 4 for packet allocation/free output + * 8 for only startup status, so we can tell we're installed OK + */ +#if 0 +#define DEBUG 0xf +#else #define DEBUG 0 +#endif #if DEBUG & 1 #define DEBUG_FUNCTION() do { printf("%s\n", __FUNCTION__); } while (0) @@ -128,27 +130,28 @@ dp83902a_init(void) DEBUG_FUNCTION(); base = dp->base; - if (!base) return false; /* No device found */ + if (!base) + return false; /* No device found */ DEBUG_LINE(); #if defined(NE2000_BASIC_INIT) /* AX88796L doesn't need */ /* 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 */ for (i = 0; i < 6; 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", - "eeprom", - dp->esa[0], - dp->esa[1], - dp->esa[2], - dp->esa[3], - dp->esa[4], - dp->esa[5] ); + "eeprom", + dp->esa[0], + dp->esa[1], + dp->esa[2], + dp->esa[3], + dp->esa[4], + dp->esa[5] ); #endif /* NE2000_BASIC_INIT */ return true; @@ -162,7 +165,7 @@ dp83902a_stop(void) 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_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 - multiple times, even when the hardware is already running. It will be - called whenever something "hardware oriented" changes and should leave - the hardware ready to send/receive packets. -*/ + * 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 + * called whenever something "hardware oriented" changes and should leave + * the hardware ready to send/receive packets. + */ static void dp83902a_start(u8 * enaddr) { @@ -196,16 +199,16 @@ dp83902a_start(u8 * enaddr) dp->tx_started = false; dp->running = true; 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->rx_next = dp->rx_buf_start-1; + dp->rx_next = dp->rx_buf_start - 1; dp->running = true; 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_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_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->running = true; - for (i = 0; i < ETHER_ADDR_LEN; i++) { + for (i = 0; i < ETHER_ADDR_LEN; i++) { /* FIXME */ /*((vu_short*)( base + ((DP_P1_PAR0 + i) * 2) + * 0x1400)) = enaddr[i];*/ @@ -214,15 +217,15 @@ dp83902a_start(u8 * enaddr) /* Enable and start device */ 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_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; } /* - 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 - available or when an Tx interrupt occurs -*/ + * 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 + * available or when an Tx interrupt occurs + */ static void 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 - that there is free buffer space (dp->tx_next). -*/ + * This routine is called to send data to the hardware. It is known a-priori + * that there is free buffer space (dp->tx_next). + */ static void dp83902a_send(u8 *data, int total_len, u32 key) { @@ -265,7 +268,8 @@ dp83902a_send(u8 *data, int total_len, u32 key) DEBUG_FUNCTION(); 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; 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); #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 */ - /* does (i.e., also read data). */ + /* + * Dummy read. The manual sez something slightly different, + * but the code is extended a bit to do what Hitachi's monitor + * does (i.e., also read data). + */ u16 tmp; int len = 1; - DP_OUT(base, DP_RSAL, 0x100-len); - DP_OUT(base, DP_RSAH, (start_page-1) & 0xff); + DP_OUT(base, DP_RSAL, 0x100 - len); + DP_OUT(base, DP_RSAH, (start_page - 1) & 0xff); DP_OUT(base, DP_RBCL, len); DP_OUT(base, DP_RBCH, 0); 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 - /* 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); #endif @@ -336,16 +344,18 @@ dp83902a_send(u8 *data, int total_len, u32 key) printf(" + %d bytes of padding\n", pkt_len - total_len); #endif /* Padding to 802.3 length was required */ - for (i = total_len; i < pkt_len;) { + for (i = total_len; i < pkt_len;) { i++; DP_OUT_DATA(dp->data, 0); } } #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 */ - /* datum (on some platforms). */ + /* + * After last data write, delay for a bit before accessing the + * device again, or we may get random data corruption in the last + * datum (on some platforms). + */ CYGACC_CALL_IF_DELAY_US(1); #endif @@ -360,21 +370,21 @@ dp83902a_send(u8 *data, int total_len, u32 key) /* Start transmit if not already going */ if (!dp->tx_started) { if (start_page == dp->tx1) { - dp->tx_int = 1; /* Expecting interrupt from BUF1 */ + dp->tx_int = 1; /* Expecting interrupt from BUF1 */ } else { - dp->tx_int = 2; /* Expecting interrupt from BUF2 */ + dp->tx_int = 2; /* Expecting interrupt from BUF2 */ } dp83902a_start_xmit(start_page, pkt_len); } } /* - 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 - 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 - 'dp83902a_recv' will be called to actually fetch it from the hardware. -*/ + * 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 + * 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 + * 'dp83902a_recv' will be called to actually fetch it from the hardware. + */ static void dp83902a_RxEvent(void) { @@ -407,9 +417,9 @@ dp83902a_RxEvent(void) DP_OUT(base, DP_RSAH, pkt); if (dp->rx_next == pkt) { 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 - DP_OUT(base, DP_BNDRY, cur-1); /* Update pointer */ + DP_OUT(base, DP_BNDRY, cur - 1); /* Update pointer */ return; } dp->rx_next = pkt; @@ -420,13 +430,13 @@ dp83902a_RxEvent(void) #endif /* 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++]); } #if DEBUG & 5 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 len = ((rcv_hdr[3] << 8) | rcv_hdr[2]) - sizeof(rcv_hdr); @@ -434,19 +444,19 @@ dp83902a_RxEvent(void) uboot_push_packet_len(len); 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 - 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. - 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 - may come in pieces, using a scatter-gather list. This allows for more - efficient processing in the upper layers of the stack. -*/ + * 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 + * 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 + * efficient processing in the upper layers of the stack. + */ static void dp83902a_recv(u8 *data, int len) { @@ -478,7 +488,7 @@ dp83902a_recv(u8 *data, int len) #endif saved = false; - for (i = 0; i < 1; i++) { + for (i = 0; i < 1; i++) { if (data) { mlen = len; #if DEBUG & 4 @@ -545,8 +555,10 @@ dp83902a_TxEvent(void) 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 dp83902a_ClearCounters(void) { @@ -560,8 +572,10 @@ dp83902a_ClearCounters(void) 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 dp83902a_Overflow(void) { @@ -581,9 +595,11 @@ dp83902a_Overflow(void) DP_OUT(base, DP_TCR, DP_TCR_LOCAL); 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 */ - /* some kind will have occured. */ + /* + * Read in as many packets as we can and acknowledge any and receive + * interrupts. Since the buffer has overflowed, a receive event of + * some kind will have occured. + */ dp83902a_RxEvent(); 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_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); 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); @@ -609,25 +627,33 @@ dp83902a_poll(void) DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0 | DP_CR_START); DP_IN(base, DP_ISR, 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 */ - /* we should read their values to reset them. */ + /* + * The CNT interrupt triggers when the MSB of one of the error + * 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) { dp83902a_ClearCounters(); } - /* Check for overflow. It's a special case, since there's a */ - /* particular procedure that must be followed to get back into */ - /* a running state.a */ + /* + * Check for overflow. It's a special case, since there's a + * particular procedure that must be followed to get back into + * a running state.a + */ if (isr & DP_ISR_OFLW) { dp83902a_Overflow(); } else { - /* Other kinds of interrupts can be acknowledged simply by */ - /* clearing the relevant bits of the ISR. Do that now, then */ - /* handle the interrupts we care about. */ - DP_OUT(base, DP_ISR, isr); /* Clear set bits */ + /* + * Other kinds of interrupts can be acknowledged simply by + * clearing the relevant bits of the ISR. Do that now, then + * handle the interrupts we care about. + */ + DP_OUT(base, DP_ISR, isr); /* Clear set bits */ 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) { dp83902a_TxEvent(); } @@ -658,8 +684,8 @@ typedef struct hw_info_t { #define HAS_MII 0x40 #define USE_SHMEM 0x80 /* autodetected */ -#define AM79C9XX_HOME_PHY 0x00006B90 /* HomePNA PHY */ -#define AM79C9XX_ETH_PHY 0x00006B70 /* 10baseT PHY */ +#define AM79C9XX_HOME_PHY 0x00006B90 /* HomePNA PHY */ +#define AM79C9XX_ETH_PHY 0x00006B70 /* 10baseT PHY */ #define MII_PHYID_REV_MASK 0xfffffff0 #define MII_PHYID_REG1 0x02 #define MII_PHYID_REG2 0x03 @@ -669,7 +695,7 @@ static hw_info_t hw_info[] = { { /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 }, { /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 }, { /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94, - DELAY_OUTPUT | HAS_IBM_MISC }, + DELAY_OUTPUT | HAS_IBM_MISC }, { /* Danpex EN-6200P2 */ 0x0110, 0x00, 0x40, 0xc7, 0 }, { /* DataTrek NetCard */ 0x0ff0, 0x00, 0x20, 0xe8, 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 }, { /* EP4000 Ethernet */ 0x01c0, 0x00, 0x00, 0xb4, 0 }, { /* 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 }, { /* Hypertec Ethernet */ 0x01c0, 0x00, 0x40, 0x4c, 0 }, { /* IBM CCAE */ 0x0ff0, 0x08, 0x00, 0x5a, - HAS_MISC_REG | HAS_IBM_MISC }, + HAS_MISC_REG | HAS_IBM_MISC }, { /* IBM CCAE */ 0x0ff0, 0x00, 0x04, 0xac, - HAS_MISC_REG | HAS_IBM_MISC }, + HAS_MISC_REG | HAS_IBM_MISC }, { /* IBM CCAE */ 0x0ff0, 0x00, 0x06, 0x29, - HAS_MISC_REG | HAS_IBM_MISC }, + HAS_MISC_REG | HAS_IBM_MISC }, { /* IBM FME */ 0x0374, 0x08, 0x00, 0x5a, - HAS_MISC_REG | HAS_IBM_MISC }, + HAS_MISC_REG | HAS_IBM_MISC }, { /* 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, - HAS_MISC_REG | HAS_IBM_MISC }, + HAS_MISC_REG | HAS_IBM_MISC }, { /* NSC DP83903 */ 0x0374, 0x08, 0x00, 0x17, - HAS_MISC_REG | HAS_IBM_MISC }, + HAS_MISC_REG | HAS_IBM_MISC }, { /* NSC DP83903 */ 0x0374, 0x00, 0xc0, 0xa8, - HAS_MISC_REG | HAS_IBM_MISC }, + HAS_MISC_REG | HAS_IBM_MISC }, { /* NSC DP83903 */ 0x0374, 0x00, 0xa0, 0xb0, - HAS_MISC_REG | HAS_IBM_MISC }, + HAS_MISC_REG | HAS_IBM_MISC }, { /* 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 }, { /* Katron PE-520 */ 0x0110, 0x00, 0x40, 0xf6, 0 }, { /* 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, - HAS_MISC_REG | HAS_IBM_MISC }, + HAS_MISC_REG | HAS_IBM_MISC }, { /* Kingston KNE-PC2 */ 0x0180, 0x00, 0xc0, 0xf0, 0 }, { /* Maxtech PCN2000 */ 0x5000, 0x00, 0x00, 0xe8, 0 }, { /* NDC Instant-Link */ 0x003a, 0x00, 0x80, 0xc6, 0 }, { /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 }, { /* 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, - HAS_MISC_REG | HAS_IBM_MISC }, + HAS_MISC_REG | HAS_IBM_MISC }, { /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 }, { /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 }, { /* SCM Ethernet */ 0x0ff0, 0x00, 0x20, 0xcb, 0 }, { /* 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 }, { /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 }, { /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 }, @@ -744,11 +770,11 @@ u32 nic_base; static u8 *pbuf = NULL; static int pkey = -1; -static int initialized=0; +static int initialized = 0; void uboot_push_packet_len(int len) { PRINTK("pushed len = %d\n", len); - if (len>=2000) { + if (len >= 2000) { printf("NE2000: packet too big\n"); return; } @@ -779,7 +805,7 @@ int eth_init(bd_t *bd) { #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); *p = CONFIG_DRIVER_NE2000_VAL; @@ -811,7 +837,7 @@ int eth_init(bd_t *bd) { return -1; dp83902a_start(dev_addr); - initialized=1; + initialized = 1; return 0; } @@ -821,7 +847,7 @@ void eth_halt() { PRINTK("### eth_halt\n"); if(initialized) dp83902a_stop(); - initialized=0; + initialized = 0; } int eth_rx() { |