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#include "common.h"
#include "uart.h"
#include "eth.h"
#include "support.h"
#include "spr_defs.h"
#include "net.h"
 
#if 0
extern int tx_pointer_index;
unsigned long dest_mac_addr[6];
 
void show_tx_bd(int start, int max)
{
  int i;
 
  for(i = start; i <= max; i++) {
    /* Read Tx BD */
    printf ("LEN:%04lx", REG32(ETH_BD_BASE + (i << 3)) >> 16);
    printf (" RD:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 15) & 0x1);
    printf (" IRQ:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 14) & 0x1);
    printf (" WR:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 13) & 0x1);
    printf (" PAD:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 12) & 0x1);
    printf (" CRC:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 11) & 0x1);
    printf (" UR:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 8) & 0x1);
    printf (" RTRY:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 4) & 0xf);
    printf (" RL:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 3) & 0x1);
    printf (" LC:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 2) & 0x1);
    printf (" DF:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 1) & 0x1);
    printf (" CS:%04lx", (REG32(ETH_BD_BASE + (i << 3)) >> 0) & 0x1);
    printf ("\nTx Buffer Pointer: %08lx\n", REG32(ETH_BD_BASE + (i << 3) + 4));
  }
}
 
void show_rx_bd (int start, int max)
{
  int i;
  unsigned long rx_bd_base, rx_bd_num;
 
  rx_bd_num =  REG32(ETH_REG_BASE + ETH_RXBD_NUM);
  rx_bd_base = ETH_BD_BASE + (rx_bd_num << 2);
 
  for(i = start; i <= max; i++){
    /* Read Rx BD */
    printf ("LEN:%04lx", REG32(rx_bd_base + (i << 3)) >> 16);
    printf (" E:%04lx", (REG32(rx_bd_base + (i << 3)) >> 15) & 0x1);
    printf (" IRQ:%04lx", (REG32(rx_bd_base + (i << 3)) >> 14) & 0x1);
    printf (" WR:%04lx", (REG32(rx_bd_base + (i << 3)) >> 13) & 0x1);
    printf (" M:%04lx", (REG32(rx_bd_base + (i << 3)) >> 7) & 0x1);
    printf (" OR:%04lx", (REG32(rx_bd_base + (i << 3)) >> 6) & 0x1);
    printf (" IS:%04lx", (REG32(rx_bd_base + (i << 3)) >> 5) & 0x1);
    printf (" DN:%04lx", (REG32(rx_bd_base + (i << 3)) >> 4) & 0x1);
    printf (" TL:%04lx", (REG32(rx_bd_base + (i << 3)) >> 3) & 0x1);
    printf (" SF:%04lx", (REG32(rx_bd_base + (i << 3)) >> 2) & 0x1);
    printf (" CRC:%04lx", (REG32(rx_bd_base + (i << 3)) >> 1) & 0x1);
    printf (" LC:%04lx", (REG32(rx_bd_base + (i << 3)) >> 0) & 0x1);
    printf ("\nRx Buffer Pointer: %08lx\n", REG32(rx_bd_base + (i << 3) + 4));
  }
}
 
void show_buffer(unsigned long start_addr, unsigned long len)
{
  show_mem(start_addr, start_addr + len - 1);
}
 
void show_rx_buffs(int max, int show_all)
{
 
  int i;
  unsigned long rx_bd_base, rx_bd_num;
 
  rx_bd_num =  REG32(ETH_REG_BASE + ETH_RXBD_NUM);
  rx_bd_base = ETH_BD_BASE + (rx_bd_num << 2);
 
  for(i=0; i<=max; i++)
  {
    if (!(REG32(rx_bd_base + (i << 3)) & ETH_RX_BD_EMPTY) || show_all)
    {
      printf ("Rx BD No. %04x located at %08lx\n", i, rx_bd_base + (i << 3));
      show_rx_bd(i, i);
      show_buffer(REG32(rx_bd_base + (i << 3) + 4), REG32(rx_bd_base + (i << 3)) >> 16);
      printf ("\n");
    }
    if (REG32(rx_bd_base + (i << 3)) & ETH_RX_BD_WRAP)
      return;
  }
}
 
void show_tx_buffs(int max)
{
  int i;
 
  for(i=0; i<=max; i++)
  {
    if (1)
    {
      printf ("Tx BD No. %04x located at %08x\n", i, ETH_BD_BASE + (i << 3));
      show_tx_bd(i, i);
      show_buffer(REG32(ETH_BD_BASE + (i << 3) + 4), REG32(ETH_BD_BASE + (i << 3)) >> 16);
      printf ("\n");
    }
    if (REG32(ETH_BD_BASE + (i << 3)) & ETH_TX_BD_WRAP)
      return;
  }
}
 
void show_phy_reg (unsigned long start_addr, unsigned long stop_addr)
{
 
  unsigned long addr;
 
  if (start_addr == stop_addr)
  {
    printf ("\nSet MII RGAD ADDRESS to %08lx", start_addr);
    printf ("\nMII Command = Read Status\n");
  }
 
  for (addr = start_addr; addr <= stop_addr; addr++)
  {
    REG32(ETH_REG_BASE + ETH_MIIADDRESS) = addr<<8;
    REG32(ETH_REG_BASE + ETH_MIICOMMAND) = ETH_MIICOMMAND_RSTAT;
 
    printf ("PHY %04lx", REG32(ETH_REG_BASE + ETH_MIIADDRESS) & 0x1f);
    printf (", addr %04lx", REG32(ETH_REG_BASE + ETH_MIIADDRESS) >> 8);
    printf (": %08lx\n", REG32(ETH_REG_BASE + ETH_MIIRX_DATA));
  }
}
 
void set_phy_reg (unsigned long addr, unsigned long val)
{
  printf ("\nSet MII RGAD ADDRESS to %08lx", addr);
 
  REG32(ETH_REG_BASE + ETH_MIIADDRESS) = addr<<8;
 
  printf ("\nMII Command = Write Control Data\n");
  REG32(ETH_REG_BASE + ETH_MIICOMMAND) = ETH_MIICOMMAND_WCTRLDATA;
 
  REG32(ETH_REG_BASE + ETH_MIITX_DATA) = val;
 
  show_phy_reg(addr, addr);
}
 
void send_packet (unsigned long len, unsigned long start_data, int num_of_packets)
{
  unsigned long i, TxBD;
 
  while (num_of_packets--) {
    unsigned long *data = (unsigned long *)eth_get_tx_buf ();
 
    /* Set dest & src address */
    *data++ = dest_mac_addr[0] << 24 |
              dest_mac_addr[1] << 16 |
              dest_mac_addr[2] << 8  |
              dest_mac_addr[3] << 0;
 
    *data++ = dest_mac_addr[4] << 24 |
              dest_mac_addr[5] << 16 |
              ETH_MACADDR0     << 8  |
              ETH_MACADDR1     << 0;
 
    *data++ = ETH_MACADDR2     << 24 |
              ETH_MACADDR3     << 16 |
              ETH_MACADDR4     << 8  |
              ETH_MACADDR5     << 0;
 
    /* Write data to buffer */
    for(i = 12; i < len; i += 4)
      *data++ = (i + start_data - 12) << 24 | (i + start_data + 1 - 12) << 16 |
      	        (i + start_data + 2 - 12) << 8 | (i + start_data + 3 - 12);
 
    eth_send (data, len);
    printf (".");
  }
}
 
int eth_init_cmd (int argc, char *argv[])
{
  if (argc) return -1;
  eth_init (0);
  return 0;
}
 
int show_txbd_cmd (int argc, char *argv[])
{
  int i;
  int start, max;
 
  if (argc == 1) show_tx_bd (strtoul (argv[0], NULL, 0), strtoul (argv[0], NULL, 0));
  else if (argc == 2) show_tx_bd (strtoul (argv[0], NULL, 0), strtoul (argv[1], NULL, 0));
  else show_tx_bd (0, 63);
  return 0;
}
 
int show_rxbd_cmd (int argc, char *argv[])
{
  if (argc == 1) show_rx_bd (strtoul (argv[0], NULL, 0), strtoul (argv[0], NULL, 0));
  else if (argc == 2) show_rx_bd (strtoul (argv[0], NULL, 0), strtoul (argv[1], NULL, 0));
  else show_rx_bd (0, 63);
  return 0;
}
 
int send_packet_cmd (int argc, char *argv[])
{
  if (argc == 1) send_packet(strtoul (argv[0], NULL, 0), 31, 1);
  else if (argc == 2) send_packet(strtoul (argv[0], NULL, 0), strtoul (argv[1], NULL, 0), 1);
  else if (argc == 3) send_packet(strtoul (argv[0], NULL, 0), strtoul (argv[1], NULL, 0), strtoul (argv[2], NULL, 0));
  else return -1;
  return 0;
}
 
int set_dest_addr_cmd (int argc, char *argv[])
{
  if (argc == 3) {
    dest_mac_addr[0] = (strtoul (argv[0], NULL, 0) >> 8) & 0xff;
    dest_mac_addr[1] = (strtoul (argv[0], NULL, 0) >> 0) & 0xff;
    dest_mac_addr[2] = (strtoul (argv[1], NULL, 0) >> 8) & 0xff;
    dest_mac_addr[3] = (strtoul (argv[1], NULL, 0) >> 0) & 0xff;
    dest_mac_addr[4] = (strtoul (argv[2], NULL, 0) >> 8) & 0xff;
    dest_mac_addr[5] = (strtoul (argv[2], NULL, 0) >> 0) & 0xff;
  } else return -1;
  return 0;
}
 
int init_txbd_pool_cmd (int argc, char *argv[])
{
#if 0
  if (argc == 1) init_tx_bd_pool(strtoul (argv[0], NULL, 0));
  else return -1;
#endif
  return 0;
}
 
int init_rxbd_pool_cmd (int argc, char *argv[])
{
  if (argc == 1) init_rx_bd_pool(strtoul (argv[0], NULL, 0));
  else return -1;
  return 0;
}
 
int show_phy_reg_cmd (int argc, char *argv[])
{
  if (argc == 1) show_phy_reg(strtoul (argv[0], NULL, 0), strtoul (argv[0], NULL, 0));
  else if (argc == 2) show_phy_reg(strtoul (argv[0], NULL, 0), strtoul (argv[1], NULL, 0));
  else show_phy_reg(0, 30);
  return 0;
}
 
int set_phy_reg_cmd (int argc, char *argv[])
{
  if (argc == 2) set_phy_reg(strtoul (argv[0], NULL, 0), strtoul (argv[1], NULL, 0));
  else return -1;
  return 0;
}
 
int show_mac_regs_cmd (int argc, char *argv[])
{
  if (argc) return -1;
  printf ("\n %08x", ETH_REG_BASE + ETH_MODER);
  printf (" MODER: %08lx",REG32(ETH_REG_BASE + ETH_MODER));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_INT);
  printf (" INT: %08lx", REG32(ETH_REG_BASE + ETH_INT));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_INT_MASK);
  printf (" INT_MASK: %08lx", REG32(ETH_REG_BASE + ETH_INT_MASK));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_IPGT);
  printf (" IPGT: %08lx", REG32(ETH_REG_BASE + ETH_IPGT));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_IPGR1);
  printf (" IPGR1: %08lx", REG32(ETH_REG_BASE + ETH_IPGR1));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_IPGR2);
  printf (" IPGR2: %08lx", REG32(ETH_REG_BASE + ETH_IPGR2));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_PACKETLEN);
  printf (" PACKETLEN: %08lx", REG32(ETH_REG_BASE + ETH_PACKETLEN));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_COLLCONF);
  printf (" COLLCONF: %08lx", REG32(ETH_REG_BASE + ETH_COLLCONF));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_RXBD_NUM);
  printf (" RX_BD_NUM: %08lx", REG32(ETH_REG_BASE + ETH_RXBD_NUM));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_CTRLMODER);
  printf (" CTRLMODER: %08lx", REG32(ETH_REG_BASE + ETH_CTRLMODER));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_MIIMODER);
  printf (" MIIMODER: %08lx", REG32(ETH_REG_BASE + ETH_MIIMODER));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_MIICOMMAND);
  printf (" MIICOMMAND: %08lx", REG32(ETH_REG_BASE + ETH_MIICOMMAND));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_MIIADDRESS);
  printf (" MIIADDRESS: %08lx", REG32(ETH_REG_BASE + ETH_MIIADDRESS));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_MIITX_DATA);
  printf (" MIITX_DATA: %08lx", REG32(ETH_REG_BASE + ETH_MIITX_DATA));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_MIIRX_DATA);
  printf (" MIIRX_DATA: %08lx", REG32(ETH_REG_BASE + ETH_MIIRX_DATA));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_MIISTATUS);
  printf (" MIISTATUS: %08lx", REG32(ETH_REG_BASE + ETH_MIISTATUS));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_MAC_ADDR0);
  printf (" MAC_ADDR0: %08lx", REG32(ETH_REG_BASE + ETH_MAC_ADDR0));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_MAC_ADDR1);
  printf (" MAC_ADDR1: %08lx", REG32(ETH_REG_BASE + ETH_MAC_ADDR1));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_HASH_ADDR0);
  printf (" ETH_HASH_ADDR0: %08lx", REG32(ETH_REG_BASE + ETH_HASH_ADDR0));
 
  printf ("\n %08x", ETH_REG_BASE + ETH_HASH_ADDR1);
  printf (" ETH_HASH_ADDR1: %08lx", REG32(ETH_REG_BASE + ETH_HASH_ADDR1));
 
  printf ("\n");
  return 0;
}
 
int eth_int_enable_cmd (int argc, char *argv[])
{
  if (argc) return -1;
  eth_int_enable ();
  return 0;
}
int show_rx_buffs_cmd (int argc, char *argv[])
{
  if (argc == 0) show_rx_buffs(63, 0);
  else if (argc == 1) show_rx_buffs(63, 1);
  else return -1;
  return 0;
}
 
int show_tx_buffs_cmd (int argc, char *argv[])
{
  if (argc == 0) show_tx_buffs(63);
  else return -1;
  return 0;
}
#endif
 
int eth_conf_cmd(int argc, char *argv[])
{
  switch(argc) {
  case 0:
    printf("IP: %s", inet_ntoa(global.ip));
    printf("\nmask: %s", inet_ntoa(global.mask)); 
    printf("\nGW: %s", inet_ntoa(global.gw_ip)); 
    return 0;
  case 3:
    global.gw_ip = inet_aton(argv[2]);
  case 2:
    global.mask = inet_aton(argv[1]);
  case 1:
    global.ip = inet_aton(argv[0]);
    break;
  }
  printf("Restarting network with new parameters...");
  NetStartAgain();
 
  return 0;
}
 
void module_eth_init (void)
{
#if 0
  register_command ("eth_init", "",  "init ethernet", eth_init_cmd);
  register_command ("show_txbd", "[<start BD>] [<max>]", "show Tx buffer desc", show_txbd_cmd);
  register_command ("show_rxbd", "[<start BD>] [<max>]", "show Rx buffer desc", show_rxbd_cmd);
  register_command ("send_packet", "<length> [<start data>] [<num_of_packets>]", "create & send packet(s)", send_packet_cmd);
  register_command ("set_dest_addr", "<addrhi> <addrmid> <addrlo>", "set destination address (for send_packet)", set_dest_addr_cmd);
  register_command ("init_txbd_pool", "<max>", "initialize Tx buffer descriptors", init_txbd_pool_cmd);
  register_command ("init_rxbd_pool", "<max>", "initialize Rx buffer descriptors", init_rxbd_pool_cmd);
  register_command ("show_phy_reg", "[<start_addr>] [<end addr>]", "show PHY registers", show_phy_reg_cmd);
  register_command ("set_phy_reg", "<addr> <value>", "set PHY register", set_phy_reg_cmd);
  register_command ("show_mac_regs", "", "show all MAC registers", show_mac_regs_cmd);
  register_command ("eth_int_enable", "", "enable ethernet interrupt", eth_int_enable_cmd);
  register_command ("show_rx_buffs", "[<show_all>]", "show receive buffers (optional arg will also show empty buffers)", show_rx_buffs_cmd);
  register_command ("show_tx_buffs", "", "show transmit buffers", show_rx_buffs_cmd);
#endif
  /* Initialize controller */
  register_command ("eth_conf", "[<ip> [<mask> [<gw>]]]", "Get/set ethernet configuration", eth_conf_cmd);
#if 0
  eth_init();
  printf ("Ethernet not initialized (run eth_init command)\n");
  init_rx_bd_pool(0); 
  init_tx_bd_pool(3);
#endif
}