diff options
Diffstat (limited to 'board/evb64260/eth.c')
-rw-r--r-- | board/evb64260/eth.c | 805 |
1 files changed, 0 insertions, 805 deletions
diff --git a/board/evb64260/eth.c b/board/evb64260/eth.c deleted file mode 100644 index d7f63bd..0000000 --- a/board/evb64260/eth.c +++ /dev/null @@ -1,805 +0,0 @@ -/************************************************************************** -Etherboot - BOOTP/TFTP Bootstrap Program -Skeleton NIC driver for Etherboot -***************************************************************************/ - -/* - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * This file is a modified version from the Galileo polled mode - * network driver for the ethernet contained within the GT64260 - * chip. It has been modified to fit into the U-Boot framework, from - * the original (etherboot) setup. Also, additional cleanup and features - * were added. - * - * - Josh Huber <huber@mclx.com> - */ - -#include <common.h> -#include <malloc.h> -#include <galileo/gt64260R.h> -#include <galileo/core.h> -#include <asm/cache.h> -#include <miiphy.h> -#include <net.h> -#include <netdev.h> - -#include "eth.h" -#include "eth_addrtbl.h" - -#if defined(CONFIG_CMD_NET) - -#define GT6426x_ETH_BUF_SIZE 1536 - -/* if you like verbose output, turn this on! */ -#undef DEBUG - -/* Restart autoneg if we detect link is up on phy init. */ - -/* - * The GT doc's say that after Rst is deasserted, and the PHY - * reports autoneg complete, it runs through its autoneg - * procedures. This doesn't seem to be the case for MII - * PHY's. To work around this check for link up && autoneg - * complete when initilizing the port. If they are both set, - * then restart PHY autoneg. Of course, it may be something - * completly different. - */ -#ifdef CONFIG_ETHER_PORT_MII -# define RESTART_AUTONEG -#endif - -/* do this if you dont want to use snooping */ -#define USE_SOFTWARE_CACHE_MANAGEMENT - -#ifdef USE_SOFTWARE_CACHE_MANAGEMENT -#define FLUSH_DCACHE(a,b) if(dcache_status()){clean_dcache_range((u32)(a),(u32)(b));} -#define FLUSH_AND_INVALIDATE_DCACHE(a,b) if(dcache_status()){flush_dcache_range((u32)(a),(u32)(b));} -#define INVALIDATE_DCACHE(a,b) if(dcache_status()){invalidate_dcache_range((u32)(a),(u32)(b));} -#else -/* bummer - w/o flush, nothing works, even with snooping - FIXME */ -/* #define FLUSH_DCACHE(a,b) */ -#define FLUSH_DCACHE(a,b) if(dcache_status()){clean_dcache_range((u32)(a),(u32)(b));} -#define FLUSH_AND_INVALIDATE_DCACHE(a,b) -#define INVALIDATE_DCACHE(a,b) -#endif -struct eth_dev_s { - eth0_tx_desc_single *eth_tx_desc; - eth0_rx_desc_single *eth_rx_desc; - char *eth_tx_buffer; - char *eth_rx_buffer[NR]; - int tdn, rdn; - int dev; - unsigned int reg_base; -}; - - -#ifdef CONFIG_INTEL_LXT97X -/* for intel LXT972 */ -static const char ether_port_phy_addr[3]={0,1,2}; -#else -static const char ether_port_phy_addr[3]={4,5,6}; -#endif - -/* MII PHY access routines are common for all i/f, use gal_ent0 */ -#define GT6426x_MII_DEVNAME "gal_enet0" - -int gt6426x_miiphy_read(const char *devname, unsigned char phy, - unsigned char reg, unsigned short *val); - -static inline unsigned short -miiphy_read_ret(unsigned short phy, unsigned short reg) -{ - unsigned short val; - gt6426x_miiphy_read(GT6426x_MII_DEVNAME,phy,reg,&val); - return val; -} - - -/************************************************************************** -RESET - Reset adapter -***************************************************************************/ -void -gt6426x_eth_reset(void *v) -{ - /* we should do something here... - struct eth_device *wp = (struct eth_device *)v; - struct eth_dev_s *p = wp->priv; - */ - - printf ("RESET\n"); - /* put the card in its initial state */ -} - -static void gt6426x_handle_SMI(struct eth_dev_s *p, unsigned int icr) -{ -#ifdef DEBUG - printf("SMI interrupt: "); - - if(icr&0x20000000) { - printf("SMI done\n"); - } -#endif - - if(icr&0x10000000) { -#ifdef DEBUG - unsigned int psr; - - psr=GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + p->reg_base); - printf("PHY state change:\n" - " GT:%s:%s:%s:%s\n", - psr & 1 ? "100" : " 10", - psr & 8 ? " Link" : "nLink", - psr & 2 ? "FD" : "HD", - psr & 4 ? " FC" : "nFC"); - -#ifdef CONFIG_INTEL_LXT97X /* non-standard mii reg (intel lxt972a) */ - { - unsigned short mii_11; - mii_11 = miiphy_read_ret(ether_port_phy_addr[p->dev], 0x11); - - printf(" mii:%s:%s:%s:%s %s:%s %s\n", - mii_11 & (1 << 14) ? "100" : " 10", - mii_11 & (1 << 10) ? " Link" : "nLink", - mii_11 & (1 << 9) ? "FD" : "HD", - mii_11 & (1 << 4) ? " FC" : "nFC", - - mii_11 & (1 << 7) ? "ANc" : "ANnc", - mii_11 & (1 << 8) ? "AN" : "Manual", - "" - ); - } -#endif /* CONFIG_INTEL_LXT97X */ -#endif /* DEBUG */ - } -} - -static int -gt6426x_eth_receive(struct eth_dev_s *p,unsigned int icr) -{ - int eth_len=0; - char *eth_data; - - eth0_rx_desc_single *rx = &p->eth_rx_desc[(p->rdn)]; - - INVALIDATE_DCACHE((unsigned int)rx,(unsigned int)(rx+1)); - - if (rx->command_status & 0x80000000) { - return 0; /* No packet received */ - } - - eth_len = (unsigned int) - (rx->buff_size_byte_count) & 0x0000ffff; - eth_data = (char *) p->eth_rx_buffer[p->rdn]; - -#ifdef DEBUG - if (eth_len) { - printf ("%s: Recived %d byte Packet @ 0x%p\n", - __FUNCTION__, eth_len, eth_data); - } -#endif - /* - * packet is now in: - * eth0_rx_buffer[RDN_ETH0]; - */ - - /* let the upper layer handle the packet */ - NetReceive ((uchar *)eth_data, eth_len); - - rx->buff_size_byte_count = GT6426x_ETH_BUF_SIZE<<16; - - - /* GT96100 Owner */ - rx->command_status = 0x80000000; - - FLUSH_DCACHE((unsigned int)rx,(unsigned int)(rx+1)); - - p->rdn ++; - if (p->rdn == NR) {p->rdn = 0;} - - sync(); - - /* Start Rx*/ - GT_REG_WRITE (ETHERNET0_SDMA_COMMAND_REGISTER + p->reg_base, 0x00000080); - -#ifdef DEBUG - { - int i; - for (i=0;i<12;i++) { - printf(" %02x", eth_data[i]); - } - } - printf(": %d bytes\n", eth_len); -#endif - INVALIDATE_DCACHE((unsigned int)eth_data, - (unsigned int)eth_data+eth_len); - return eth_len; -} - -/************************************************************************** -POLL - look for an rx frame, handle other conditions -***************************************************************************/ -int -gt6426x_eth_poll(void *v) -{ - struct eth_device *wp = (struct eth_device *)v; - struct eth_dev_s *p = wp->priv; - unsigned int icr=GTREGREAD(ETHERNET0_INTERRUPT_CAUSE_REGISTER + p->reg_base); - - if(icr) { - GT_REG_WRITE(ETHERNET0_INTERRUPT_CAUSE_REGISTER +p->reg_base, 0); -#ifdef DEBUG - printf("poll got ICR %08x\n", icr); -#endif - /* SMI done or PHY state change*/ - if(icr&0x30000000) gt6426x_handle_SMI(p, icr); - } - /* always process. We aren't using RX interrupts */ - return gt6426x_eth_receive(p, icr); -} - -/************************************************************************** -TRANSMIT - Transmit a frame -***************************************************************************/ -int gt6426x_eth_transmit(void *v, char *p, unsigned int s) -{ - struct eth_device *wp = (struct eth_device *)v; - struct eth_dev_s *dev = (struct eth_dev_s *)wp->priv; -#ifdef DEBUG - unsigned int old_command_stat,old_psr; -#endif - eth0_tx_desc_single *tx = &dev->eth_tx_desc[dev->tdn]; - - /* wait for tx to be ready */ - INVALIDATE_DCACHE((unsigned int)tx,(unsigned int)(tx+1)); - while (tx->command_status & 0x80000000) { - int i; - for(i=0;i<1000;i++); - INVALIDATE_DCACHE((unsigned int)tx,(unsigned int)(tx+1)); - } - - GT_REG_WRITE (ETHERNET0_CURRENT_TX_DESCRIPTOR_POINTER0 + dev->reg_base, - (unsigned int)tx); - -#ifdef DEBUG - printf("copying to tx_buffer [%p], length %x, desc = %p\n", - dev->eth_tx_buffer, s, dev->eth_tx_desc); -#endif - memcpy(dev->eth_tx_buffer, (char *) p, s); - - tx->buff_pointer = (uchar *)dev->eth_tx_buffer; - tx->bytecount_reserved = ((__u16)s) << 16; - - /* 31 - own - * 22 - gencrc - * 18:16 - pad, last, first */ - tx->command_status = (1<<31) | (1<<22) | (7<<16); -#if 0 - /* FEr #18 */ - tx->next_desc = NULL; -#else - tx->next_desc = - (struct eth0_tx_desc_struct *) - &dev->eth_tx_desc[(dev->tdn+1)%NT].bytecount_reserved; - - /* cpu owned */ - dev->eth_tx_desc[(dev->tdn+1)%NT].command_status = (7<<16); /* pad, last, first */ -#endif - -#ifdef DEBUG - old_command_stat=tx->command_status, - old_psr=GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + dev->reg_base); -#endif - - FLUSH_DCACHE((unsigned int)tx, - (unsigned int)&dev->eth_tx_desc[(dev->tdn+2)%NT]); - - FLUSH_DCACHE((unsigned int)dev->eth_tx_buffer,(unsigned int)dev->eth_tx_buffer+s); - - GT_REG_WRITE(ETHERNET0_SDMA_COMMAND_REGISTER + dev->reg_base, 0x01000000); - -#ifdef DEBUG - { - unsigned int command_stat=0; - printf("cmd_stat: %08x PSR: %08x\n", old_command_stat, old_psr); - /* wait for tx to be ready */ - do { - unsigned int psr=GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + dev->reg_base); - command_stat=tx->command_status; - if(command_stat!=old_command_stat || psr !=old_psr) { - printf("cmd_stat: %08x PSR: %08x\n", command_stat, psr); - old_command_stat = command_stat; - old_psr = psr; - } - /* gt6426x_eth0_poll(); */ - } while (command_stat & 0x80000000); - - printf("sent %d byte frame\n", s); - - if((command_stat & (3<<15)) == 3) { - printf("frame had error (stat=%08x)\n", command_stat); - } - } -#endif - return 0; -} - -/************************************************************************** -DISABLE - Turn off ethernet interface -***************************************************************************/ -void -gt6426x_eth_disable(void *v) -{ - struct eth_device *wp = (struct eth_device *)v; - struct eth_dev_s *p = (struct eth_dev_s *)wp->priv; - - GT_REG_WRITE(ETHERNET0_SDMA_COMMAND_REGISTER + p->reg_base, 0x80008000); -} - -/************************************************************************** -MII utilities - write: write to an MII register via SMI -***************************************************************************/ -int -gt6426x_miiphy_write(const char *devname, unsigned char phy, - unsigned char reg, unsigned short data) -{ - unsigned int temp= (reg<<21) | (phy<<16) | data; - - while(GTREGREAD(ETHERNET_SMI_REGISTER) & (1<<28)); /* wait for !Busy */ - - GT_REG_WRITE(ETHERNET_SMI_REGISTER, temp); - return 0; -} - -/************************************************************************** -MII utilities - read: read from an MII register via SMI -***************************************************************************/ -int -gt6426x_miiphy_read(const char *devname, unsigned char phy, - unsigned char reg, unsigned short *val) -{ - unsigned int temp= (reg<<21) | (phy<<16) | 1<<26; - - while(GTREGREAD(ETHERNET_SMI_REGISTER) & (1<<28)); /* wait for !Busy */ - - GT_REG_WRITE(ETHERNET_SMI_REGISTER, temp); - - while(1) { - temp=GTREGREAD(ETHERNET_SMI_REGISTER); - if(temp & (1<<27)) break; /* wait for ReadValid */ - } - *val = temp & 0xffff; - - return 0; -} - -#ifdef DEBUG -/************************************************************************** -MII utilities - dump mii registers -***************************************************************************/ -static void -gt6426x_dump_mii(bd_t *bis, unsigned short phy) -{ - printf("mii reg 0 - 3: %04x %04x %04x %04x\n", - miiphy_read_ret(phy, 0x0), - miiphy_read_ret(phy, 0x1), - miiphy_read_ret(phy, 0x2), - miiphy_read_ret(phy, 0x3) - ); - printf(" 4 - 7: %04x %04x %04x %04x\n", - miiphy_read_ret(phy, 0x4), - miiphy_read_ret(phy, 0x5), - miiphy_read_ret(phy, 0x6), - miiphy_read_ret(phy, 0x7) - ); - printf(" 8: %04x\n", - miiphy_read_ret(phy, 0x8) - ); - printf(" 16-19: %04x %04x %04x %04x\n", - miiphy_read_ret(phy, 0x10), - miiphy_read_ret(phy, 0x11), - miiphy_read_ret(phy, 0x12), - miiphy_read_ret(phy, 0x13) - ); - printf(" 20,30: %04x %04x\n", - miiphy_read_ret(phy, 20), - miiphy_read_ret(phy, 30) - ); -} -#endif - -#ifdef RESTART_AUTONEG - -/* If link is up && autoneg compleate, and if - * GT and PHY disagree about link capabilitys, - * restart autoneg - something screwy with FD/HD - * unless we do this. */ -static void -check_phy_state(struct eth_dev_s *p) -{ - int bmsr = miiphy_read_ret(ether_port_phy_addr[p->dev], MII_BMSR); - int psr = GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + p->reg_base); - - if ((psr & 1<<3) && (bmsr & BMSR_LSTATUS)) { - int nego = miiphy_read_ret(ether_port_phy_addr[p->dev], MII_ADVERTISE) & - miiphy_read_ret(ether_port_phy_addr[p->dev], MII_LPA); - int want; - - if (nego & LPA_100FULL) { - want = 0x3; - printf("MII: 100Base-TX, Full Duplex\n"); - } else if (nego & LPA_100HALF) { - want = 0x1; - printf("MII: 100Base-TX, Half Duplex\n"); - } else if (nego & LPA_10FULL) { - want = 0x2; - printf("MII: 10Base-T, Full Duplex\n"); - } else if (nego & LPA_10HALF) { - want = 0x0; - printf("MII: 10Base-T, Half Duplex\n"); - } else { - printf("MII: Unknown link-foo! %x\n", nego); - return; - } - - if ((psr & 0x3) != want) { - printf("MII: GT thinks %x, PHY thinks %x, restarting autoneg..\n", - psr & 0x3, want); - miiphy_write(GT6426x_MII_DEVNAME,ether_port_phy_addr[p->dev],0, - miiphy_read_ret(ether_port_phy_addr[p->dev],0) | (1<<9)); - udelay(10000); /* the EVB's GT takes a while to notice phy - went down and up */ - } - } -} -#endif - -/************************************************************************** -PROBE - Look for an adapter, this routine's visible to the outside -***************************************************************************/ -int -gt6426x_eth_probe(void *v, bd_t *bis) -{ - struct eth_device *wp = (struct eth_device *)v; - struct eth_dev_s *p = (struct eth_dev_s *)wp->priv; - int dev = p->dev; - unsigned int reg_base = p->reg_base; - unsigned long temp; - int i; - - if (( dev < 0 ) || ( dev >= GAL_ETH_DEVS )) - { /* This should never happen */ - printf("%s: Invalid device %d\n", __FUNCTION__, dev ); - return 0; - } - -#ifdef DEBUG - printf ("%s: initializing %s\n", __FUNCTION__, wp->name ); - printf ("\nCOMM_CONTROL = %08x , COMM_CONF = %08x\n", - GTREGREAD(COMM_UNIT_ARBITER_CONTROL), - GTREGREAD(COMM_UNIT_ARBITER_CONFIGURATION_REGISTER)); -#endif - - /* clear MIB counters */ - for(i=0;i<255; i++) - temp=GTREGREAD(ETHERNET0_MIB_COUNTER_BASE + reg_base +i); - -#ifdef CONFIG_INTEL_LXT97X - /* for intel LXT972 */ - - /* led 1: 0x1=txact - led 2: 0xc=link/rxact - led 3: 0x2=rxact (N/C) - strch: 0,2=30 ms, enable */ - miiphy_write(GT6426x_MII_DEVNAME,ether_port_phy_addr[p->dev], 20, 0x1c22); - - /* 2.7ns port rise time */ - /*miiphy_write(ether_port_phy_addr[p->dev], 30, 0x0<<10); */ -#else - /* already set up in mpsc.c */ - /*GT_REG_WRITE(MAIN_ROUTING_REGISTER, 0x7ffe38); / b400 */ - - /* already set up in sdram_init.S... */ - /* MPSC0, MPSC1, RMII */ - /*GT_REG_WRITE(SERIAL_PORT_MULTIPLEX, 0x1102); / f010 */ -#endif - GT_REG_WRITE(ETHERNET_PHY_ADDRESS_REGISTER, - ether_port_phy_addr[0] | - (ether_port_phy_addr[1]<<5) | - (ether_port_phy_addr[2]<<10)); /* 2000 */ - - /* 13:12 - 10: 4x64bit burst (cache line size = 32 bytes) - * 9 - 1: RIFB - interrupt on frame boundaries only - * 6:7 - 00: big endian rx and tx - * 5:2 - 1111: 15 retries */ - GT_REG_WRITE(ETHERNET0_SDMA_CONFIGURATION_REGISTER + reg_base, - (2<<12) | (1<<9) | (0xf<<2) ); /* 2440 */ - -#ifndef USE_SOFTWARE_CACHE_MANAGEMENT - /* enable rx/tx desc/buffer cache snoop */ - GT_REG_READ(ETHERNET_0_ADDRESS_CONTROL_LOW + dev*0x20, - &temp); /* f200 */ - temp|= (1<<6)| (1<<14)| (1<<22)| (1<<30); - GT_REG_WRITE(ETHERNET_0_ADDRESS_CONTROL_LOW + dev*0x20, - temp); -#endif - - /* 31 28 27 24 23 20 19 16 - * 0000 0000 0000 0000 [0004] - * 15 12 11 8 7 4 3 0 - * 1000 1101 0000 0000 [4d00] - * 20 - 0=MII 1=RMII - * 19 - 0=speed autoneg - * 15:14 - framesize 1536 (GT6426x_ETH_BUF_SIZE) - * 11 - no force link pass - * 10 - 1=disable fctl autoneg - * 8 - override prio ?? */ - temp = 0x00004d00; -#ifndef CONFIG_ETHER_PORT_MII - temp |= (1<<20); /* RMII */ -#endif - /* set En */ - GT_REG_WRITE(ETHERNET0_PORT_CONFIGURATION_EXTEND_REGISTER + reg_base, - temp); /* 2408 */ - - /* hardcode E1 also? */ - /* -- according to dox, this is safer due to extra pulldowns? */ - if (dev<2) { - GT_REG_WRITE(ETHERNET0_PORT_CONFIGURATION_EXTEND_REGISTER + (dev+1) * 0x400, - temp); /* 2408 */ - } - - /* wake up MAC */ /* 2400 */ - GT_REG_READ(ETHERNET0_PORT_CONFIGURATION_REGISTER + reg_base, &temp); - temp |= (1<<7); /* enable port */ -#ifdef CONFIG_GT_USE_MAC_HASH_TABLE - temp |= (1<<12); /* hash size 1/2k */ -#else - temp |= 1; /* promisc */ -#endif - GT_REG_WRITE(ETHERNET0_PORT_CONFIGURATION_REGISTER + reg_base, temp); - /* 2400 */ - -#ifdef RESTART_AUTONEG - check_phy_state(p); -#endif - - printf("%s: Waiting for link up..\n", wp->name); - temp = 10 * 1000; - /* wait for link back up */ - while(!(GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + reg_base) & 8) - && (--temp > 0)){ - udelay(1000); /* wait 1 ms */ - } - if ( temp == 0) { - printf("%s: Failed!\n", wp->name); - return (0); - } - - printf("%s: OK!\n", wp->name); - - p->tdn = 0; - p->rdn = 0; - p->eth_tx_desc[p->tdn].command_status = 0; - - /* Initialize Rx Side */ - for (temp = 0; temp < NR; temp++) { - p->eth_rx_desc[temp].buff_pointer = (uchar *)p->eth_rx_buffer[temp]; - p->eth_rx_desc[temp].buff_size_byte_count = GT6426x_ETH_BUF_SIZE<<16; - - /* GT96100 Owner */ - p->eth_rx_desc[temp].command_status = 0x80000000; - p->eth_rx_desc[temp].next_desc = - (struct eth0_rx_desc_struct *) - &p->eth_rx_desc[(temp+1)%NR].buff_size_byte_count; - } - - FLUSH_DCACHE((unsigned int)&p->eth_tx_desc[0], - (unsigned int)&p->eth_tx_desc[NR]); - FLUSH_DCACHE((unsigned int)&p->eth_rx_desc[0], - (unsigned int)&p->eth_rx_desc[NR]); - - GT_REG_WRITE(ETHERNET0_CURRENT_TX_DESCRIPTOR_POINTER0 + reg_base, - (unsigned int) p->eth_tx_desc); - GT_REG_WRITE(ETHERNET0_FIRST_RX_DESCRIPTOR_POINTER0 + reg_base, - (unsigned int) p->eth_rx_desc); - GT_REG_WRITE(ETHERNET0_CURRENT_RX_DESCRIPTOR_POINTER0 + reg_base, - (unsigned int) p->eth_rx_desc); - -#ifdef DEBUG - printf ("\nRx descriptor pointer is %08x %08x\n", - GTREGREAD(ETHERNET0_FIRST_RX_DESCRIPTOR_POINTER0 + reg_base), - GTREGREAD(ETHERNET0_CURRENT_RX_DESCRIPTOR_POINTER0 + reg_base)); - printf ("\n\n%08x %08x\n", - (unsigned int)p->eth_rx_desc,p->eth_rx_desc[0].command_status); - - printf ("Descriptor dump:\n"); - printf ("cmd status: %08x\n",p->eth_rx_desc[0].command_status); - printf ("byte_count: %08x\n",p->eth_rx_desc[0].buff_size_byte_count); - printf ("buff_ptr: %08x\n",(unsigned int)p->eth_rx_desc[0].buff_pointer); - printf ("next_desc: %08x\n\n",(unsigned int)p->eth_rx_desc[0].next_desc); - printf ("%08x\n",*(unsigned int *) ((unsigned int)p->eth_rx_desc + 0x0)); - printf ("%08x\n",*(unsigned int *) ((unsigned int)p->eth_rx_desc + 0x4)); - printf ("%08x\n",*(unsigned int *) ((unsigned int)p->eth_rx_desc + 0x8)); - printf ("%08x\n\n", - *(unsigned int *) ((unsigned int)p->eth_rx_desc + 0xc)); -#endif - -#ifdef DEBUG - gt6426x_dump_mii(bis,ether_port_phy_addr[p->dev]); -#endif - -#ifdef CONFIG_GT_USE_MAC_HASH_TABLE - { - unsigned int hashtable_base; - u8 *b = (u8 *)(wp->enetaddr); - u32 macH, macL; - - /* twist the MAC up into the way the discovery wants it */ - macH= (b[0]<<8) | b[1]; - macL= (b[2]<<24) | (b[3]<<16) | (b[4]<<8) | b[5]; - - /* mode 0, size 0x800 */ - hashtable_base =initAddressTable(dev,0,1); - - if(!hashtable_base) { - printf("initAddressTable failed\n"); - return 0; - } - - addAddressTableEntry(dev, macH, macL, 1, 0); - GT_REG_WRITE(ETHERNET0_HASH_TABLE_POINTER_REGISTER + reg_base, - hashtable_base); - } -#endif - - /* Start Rx*/ - GT_REG_WRITE(ETHERNET0_SDMA_COMMAND_REGISTER + reg_base, 0x00000080); - printf("%s: gt6426x eth device %d init success \n", wp->name, dev ); - return 1; -} - -/* enter all the galileo ethernet devs into MULTI-BOOT */ -void -gt6426x_eth_initialize(bd_t *bis) -{ - struct eth_device *dev; - struct eth_dev_s *p; - int devnum, x, temp; - char *s, *e, buf[64]; - -#ifdef DEBUG - printf( "\n%s\n", __FUNCTION ); -#endif - - for (devnum = 0; devnum < GAL_ETH_DEVS; devnum++) { - dev = calloc(sizeof(*dev), 1); - if (!dev) { - printf( "%s: gal_enet%d allocation failure, %s\n", - __FUNCTION__, devnum, "eth_device structure"); - return; - } - - /* must be less than sizeof(dev->name) */ - sprintf(dev->name, "gal_enet%d", devnum); - -#ifdef DEBUG - printf( "Initializing %s\n", dev->name ); -#endif - - /* Extract the MAC address from the environment */ - switch (devnum) - { - case 0: s = "ethaddr"; break; -#if (GAL_ETH_DEVS > 1) - case 1: s = "eth1addr"; break; -#endif -#if (GAL_ETH_DEVS > 2) - case 2: s = "eth2addr"; break; -#endif - default: /* this should never happen */ - printf( "%s: Invalid device number %d\n", - __FUNCTION__, devnum ); - return; - } - - temp = getenv_f(s, buf, sizeof(buf)); - s = (temp > 0) ? buf : NULL; - -#ifdef DEBUG - printf ("Setting MAC %d to %s\n", devnum, s ); -#endif - for (x = 0; x < 6; ++x) { - dev->enetaddr[x] = s ? simple_strtoul(s, &e, 16) : 0; - if (s) - s = (*e) ? e+1 : e; - } - - dev->init = (void*)gt6426x_eth_probe; - dev->halt = (void*)gt6426x_eth_reset; - dev->send = (void*)gt6426x_eth_transmit; - dev->recv = (void*)gt6426x_eth_poll; - - p = calloc( sizeof(*p), 1 ); - dev->priv = (void*)p; - if (!p) - { - printf( "%s: %s allocation failure, %s\n", - __FUNCTION__, dev->name, "Private Device Structure"); - free(dev); - return; - } - - p->dev = devnum; - p->tdn=0; - p->rdn=0; - p->reg_base = devnum * ETHERNET_PORTS_DIFFERENCE_OFFSETS; - - p->eth_tx_desc = - (eth0_tx_desc_single *) - (((unsigned int) malloc(sizeof (eth0_tx_desc_single) * - (NT+1)) & 0xfffffff0) + 0x10); - if (!p) - { - printf( "%s: %s allocation failure, %s\n", - __FUNCTION__, dev->name, "Tx Descriptor"); - free(dev); - return; - } - - p->eth_rx_desc = - (eth0_rx_desc_single *) - (((unsigned int) malloc(sizeof (eth0_rx_desc_single) * - (NR+1)) & 0xfffffff0) + 0x10); - if (!p->eth_rx_desc) - { - printf( "%s: %s allocation failure, %s\n", - __FUNCTION__, dev->name, "Rx Descriptor"); - free(dev); - free(p); - return; - } - - p->eth_tx_buffer = - (char *) (((unsigned int) malloc(GT6426x_ETH_BUF_SIZE) & 0xfffffff0) + 0x10); - if (!p->eth_tx_buffer) - { - printf( "%s: %s allocation failure, %s\n", - __FUNCTION__, dev->name, "Tx Bufffer"); - free(dev); - free(p); - free(p->eth_rx_desc); - return; - } - - for (temp = 0 ; temp < NR ; temp ++) { - p->eth_rx_buffer[temp] = - (char *) - (((unsigned int) malloc(GT6426x_ETH_BUF_SIZE) & 0xfffffff0) + 0x10); - if (!p->eth_rx_buffer[temp]) - { - printf( "%s: %s allocation failure, %s\n", - __FUNCTION__, dev->name, "Rx Buffers"); - free(dev); - free(p); - free(p->eth_tx_buffer); - free(p->eth_rx_desc); - free(p->eth_tx_desc); - while (temp >= 0) - free(p->eth_rx_buffer[--temp]); - return; - } - } - - - eth_register(dev); -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) - miiphy_register(dev->name, - gt6426x_miiphy_read, gt6426x_miiphy_write); -#endif - } - -} -#endif |