+++ /dev/null
-/*
- * Realtek 8019AS Ethernet
- * (C) Copyright 2002-2003
- * Xue Ligong(lgxue@hotmail.com),Wang Kehao, ESLAB, whut.edu.cn
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * This code works in 8bit mode.
- * If you need to work in 16bit mode, PLS change it!
- */
-
-#include <common.h>
-#include <command.h>
-#include "rtl8019.h"
-#include <net.h>
-
-/* packet page register access functions */
-
-static unsigned char get_reg (unsigned int regno)
-{
- return (*(unsigned char *) regno);
-}
-
-static void put_reg (unsigned int regno, unsigned char val)
-{
- *(volatile unsigned char *) regno = val;
-}
-
-static void eth_reset (void)
-{
- unsigned char ucTemp;
-
- /* reset NIC */
- ucTemp = get_reg (RTL8019_RESET);
- put_reg (RTL8019_RESET, ucTemp);
- put_reg (RTL8019_INTERRUPTSTATUS, 0xff);
- udelay (2000); /* wait for 2ms */
-}
-
-void rtl8019_get_enetaddr (uchar * addr)
-{
- unsigned char i;
- unsigned char temp;
-
- eth_reset ();
-
- put_reg (RTL8019_COMMAND, RTL8019_REMOTEDMARD);
- put_reg (RTL8019_DATACONFIGURATION, 0x48);
- put_reg (RTL8019_REMOTESTARTADDRESS0, 0x00);
- put_reg (RTL8019_REMOTESTARTADDRESS1, 0x00);
- put_reg (RTL8019_REMOTEBYTECOUNT0, 12);
- put_reg (RTL8019_REMOTEBYTECOUNT1, 0x00);
- put_reg (RTL8019_COMMAND, RTL8019_REMOTEDMARD);
- printf ("MAC: ");
- for (i = 0; i < 6; i++) {
- temp = get_reg (RTL8019_DMA_DATA);
- *addr++ = temp;
- temp = get_reg (RTL8019_DMA_DATA);
- printf ("%x:", temp);
- }
-
- while ((!get_reg (RTL8019_INTERRUPTSTATUS) & 0x40));
- printf ("\b \n");
- put_reg (RTL8019_REMOTEBYTECOUNT0, 0x00);
- put_reg (RTL8019_REMOTEBYTECOUNT1, 0x00);
- put_reg (RTL8019_COMMAND, RTL8019_PAGE0);
-}
-
-void eth_halt (void)
-{
- put_reg (RTL8019_COMMAND, 0x01);
-}
-
-int eth_init (bd_t * bd)
-{
- uchar enetaddr[6];
- eth_reset ();
- put_reg (RTL8019_COMMAND, RTL8019_PAGE0STOP);
- put_reg (RTL8019_DATACONFIGURATION, 0x48);
- put_reg (RTL8019_REMOTEBYTECOUNT0, 0x00);
- put_reg (RTL8019_REMOTEBYTECOUNT1, 0x00);
- put_reg (RTL8019_RECEIVECONFIGURATION, 0x00); /*00; */
- put_reg (RTL8019_TRANSMITPAGE, RTL8019_TPSTART);
- put_reg (RTL8019_TRANSMITCONFIGURATION, 0x02);
- put_reg (RTL8019_PAGESTART, RTL8019_PSTART);
- put_reg (RTL8019_BOUNDARY, RTL8019_PSTART);
- put_reg (RTL8019_PAGESTOP, RTL8019_PSTOP);
- put_reg (RTL8019_INTERRUPTSTATUS, 0xff);
- put_reg (RTL8019_INTERRUPTMASK, 0x11); /*b; */
- put_reg (RTL8019_COMMAND, RTL8019_PAGE1STOP);
- eth_getenv_enetaddr("ethaddr", enetaddr);
- put_reg (RTL8019_PHYSICALADDRESS0, enetaddr[0]);
- put_reg (RTL8019_PHYSICALADDRESS1, enetaddr[1]);
- put_reg (RTL8019_PHYSICALADDRESS2, enetaddr[2]);
- put_reg (RTL8019_PHYSICALADDRESS3, enetaddr[3]);
- put_reg (RTL8019_PHYSICALADDRESS4, enetaddr[4]);
- put_reg (RTL8019_PHYSICALADDRESS5, enetaddr[5]);
- put_reg (RTL8019_MULTIADDRESS0, 0x00);
- put_reg (RTL8019_MULTIADDRESS1, 0x00);
- put_reg (RTL8019_MULTIADDRESS2, 0x00);
- put_reg (RTL8019_MULTIADDRESS3, 0x00);
- put_reg (RTL8019_MULTIADDRESS4, 0x00);
- put_reg (RTL8019_MULTIADDRESS5, 0x00);
- put_reg (RTL8019_MULTIADDRESS6, 0x00);
- put_reg (RTL8019_MULTIADDRESS7, 0x00);
- put_reg (RTL8019_CURRENT, RTL8019_PSTART);
- put_reg (RTL8019_COMMAND, RTL8019_PAGE0);
- put_reg (RTL8019_TRANSMITCONFIGURATION, 0xe0); /*58; */
-
- return 0;
-}
-
-static unsigned char nic_to_pc (void)
-{
- unsigned char rec_head_status;
- unsigned char next_packet_pointer;
- unsigned char packet_length0;
- unsigned char packet_length1;
- unsigned short rxlen = 0;
- unsigned int i = 4;
- unsigned char current_point;
- unsigned char *addr;
-
- /*
- * The RTL8019's first 4B is packet status,page of next packet
- * and packet length(2B).So we receive the fist 4B.
- */
- put_reg (RTL8019_REMOTESTARTADDRESS1, get_reg (RTL8019_BOUNDARY));
- put_reg (RTL8019_REMOTESTARTADDRESS0, 0x00);
- put_reg (RTL8019_REMOTEBYTECOUNT1, 0x00);
- put_reg (RTL8019_REMOTEBYTECOUNT0, 0x04);
-
- put_reg (RTL8019_COMMAND, RTL8019_REMOTEDMARD);
-
- rec_head_status = get_reg (RTL8019_DMA_DATA);
- next_packet_pointer = get_reg (RTL8019_DMA_DATA);
- packet_length0 = get_reg (RTL8019_DMA_DATA);
- packet_length1 = get_reg (RTL8019_DMA_DATA);
-
- put_reg (RTL8019_COMMAND, RTL8019_PAGE0);
- /*Packet length is in two 8bit registers */
- rxlen = packet_length1;
- rxlen = (((rxlen << 8) & 0xff00) + packet_length0);
- rxlen -= 4;
-
- if (rxlen > PKTSIZE_ALIGN + PKTALIGN)
- printf ("packet too big!\n");
-
- /*Receive the packet */
- put_reg (RTL8019_REMOTESTARTADDRESS0, 0x04);
- put_reg (RTL8019_REMOTESTARTADDRESS1, get_reg (RTL8019_BOUNDARY));
-
- put_reg (RTL8019_REMOTEBYTECOUNT0, (rxlen & 0xff));
- put_reg (RTL8019_REMOTEBYTECOUNT1, ((rxlen >> 8) & 0xff));
-
-
- put_reg (RTL8019_COMMAND, RTL8019_REMOTEDMARD);
-
- for (addr = (unsigned char *) NetRxPackets[0], i = rxlen; i > 0; i--)
- *addr++ = get_reg (RTL8019_DMA_DATA);
- /* Pass the packet up to the protocol layers. */
- NetReceive (NetRxPackets[0], rxlen);
-
- while (!(get_reg (RTL8019_INTERRUPTSTATUS)) & 0x40); /* wait for the op. */
-
- /*
- * To test whether the packets are all received,get the
- * location of current point
- */
- put_reg (RTL8019_COMMAND, RTL8019_PAGE1);
- current_point = get_reg (RTL8019_CURRENT);
- put_reg (RTL8019_COMMAND, RTL8019_PAGE0);
- put_reg (RTL8019_BOUNDARY, next_packet_pointer);
- return current_point;
-}
-
-/* Get a data block via Ethernet */
-extern int eth_rx (void)
-{
- unsigned char temp, current_point;
-
- put_reg (RTL8019_COMMAND, RTL8019_PAGE0);
-
- while (1) {
- temp = get_reg (RTL8019_INTERRUPTSTATUS);
-
- if (temp & 0x90) {
- /*overflow */
- put_reg (RTL8019_COMMAND, RTL8019_PAGE0STOP);
- udelay (2000);
- put_reg (RTL8019_REMOTEBYTECOUNT0, 0);
- put_reg (RTL8019_REMOTEBYTECOUNT1, 0);
- put_reg (RTL8019_TRANSMITCONFIGURATION, 2);
- do {
- current_point = nic_to_pc ();
- } while (get_reg (RTL8019_BOUNDARY) != current_point);
-
- put_reg (RTL8019_TRANSMITCONFIGURATION, 0xe0);
- }
-
- if (temp & 0x1) {
- /*packet received */
- do {
- put_reg (RTL8019_INTERRUPTSTATUS, 0x01);
- current_point = nic_to_pc ();
- } while (get_reg (RTL8019_BOUNDARY) != current_point);
- }
-
- if (!(temp & 0x1))
- return 0;
- /* done and exit. */
- }
-}
-
-/* Send a data block via Ethernet. */
-extern int eth_send (volatile void *packet, int length)
-{
- volatile unsigned char *p;
- unsigned int pn;
-
- pn = length;
- p = (volatile unsigned char *) packet;
-
- while (get_reg (RTL8019_COMMAND) == RTL8019_TRANSMIT);
-
- put_reg (RTL8019_REMOTESTARTADDRESS0, 0);
- put_reg (RTL8019_REMOTESTARTADDRESS1, RTL8019_TPSTART);
- put_reg (RTL8019_REMOTEBYTECOUNT0, (pn & 0xff));
- put_reg (RTL8019_REMOTEBYTECOUNT1, ((pn >> 8) & 0xff));
-
- put_reg (RTL8019_COMMAND, RTL8019_REMOTEDMAWR);
- while (pn > 0) {
- put_reg (RTL8019_DMA_DATA, *p++);
- pn--;
- }
-
- pn = length;
-
- while (pn < 60) { /*Padding */
- put_reg (RTL8019_DMA_DATA, 0);
- pn++;
- }
-
- while (!(get_reg (RTL8019_INTERRUPTSTATUS)) & 0x40);
-
- put_reg (RTL8019_INTERRUPTSTATUS, 0x40);
- put_reg (RTL8019_TRANSMITPAGE, RTL8019_TPSTART);
- put_reg (RTL8019_TRANSMITBYTECOUNT0, (pn & 0xff));
- put_reg (RTL8019_TRANSMITBYTECOUNT1, ((pn >> 8 & 0xff)));
- put_reg (RTL8019_COMMAND, RTL8019_TRANSMIT);
-
- return 0;
-}
+++ /dev/null
-/*
- * Realtek 8019AS Ethernet
- * (C) Copyright 2002-2003
- * Xue Ligong(lgxue@hotmail.com),Wang Kehao, ESLAB, whut.edu.cn
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * This code works in 8bit mode.
- * If you need to work in 16bit mode, PLS change it!
- */
-
-#include <asm/types.h>
-#include <config.h>
-
-#ifdef CONFIG_DRIVER_RTL8019
-
-#define RTL8019_REG_00 (RTL8019_BASE + 0x00)
-#define RTL8019_REG_01 (RTL8019_BASE + 0x01)
-#define RTL8019_REG_02 (RTL8019_BASE + 0x02)
-#define RTL8019_REG_03 (RTL8019_BASE + 0x03)
-#define RTL8019_REG_04 (RTL8019_BASE + 0x04)
-#define RTL8019_REG_05 (RTL8019_BASE + 0x05)
-#define RTL8019_REG_06 (RTL8019_BASE + 0x06)
-#define RTL8019_REG_07 (RTL8019_BASE + 0x07)
-#define RTL8019_REG_08 (RTL8019_BASE + 0x08)
-#define RTL8019_REG_09 (RTL8019_BASE + 0x09)
-#define RTL8019_REG_0a (RTL8019_BASE + 0x0a)
-#define RTL8019_REG_0b (RTL8019_BASE + 0x0b)
-#define RTL8019_REG_0c (RTL8019_BASE + 0x0c)
-#define RTL8019_REG_0d (RTL8019_BASE + 0x0d)
-#define RTL8019_REG_0e (RTL8019_BASE + 0x0e)
-#define RTL8019_REG_0f (RTL8019_BASE + 0x0f)
-#define RTL8019_REG_10 (RTL8019_BASE + 0x10)
-#define RTL8019_REG_1f (RTL8019_BASE + 0x1f)
-
-#define RTL8019_COMMAND RTL8019_REG_00
-#define RTL8019_PAGESTART RTL8019_REG_01
-#define RTL8019_PAGESTOP RTL8019_REG_02
-#define RTL8019_BOUNDARY RTL8019_REG_03
-#define RTL8019_TRANSMITSTATUS RTL8019_REG_04
-#define RTL8019_TRANSMITPAGE RTL8019_REG_04
-#define RTL8019_TRANSMITBYTECOUNT0 RTL8019_REG_05
-#define RTL8019_NCR RTL8019_REG_05
-#define RTL8019_TRANSMITBYTECOUNT1 RTL8019_REG_06
-#define RTL8019_INTERRUPTSTATUS RTL8019_REG_07
-#define RTL8019_CURRENT RTL8019_REG_07
-#define RTL8019_REMOTESTARTADDRESS0 RTL8019_REG_08
-#define RTL8019_CRDMA0 RTL8019_REG_08
-#define RTL8019_REMOTESTARTADDRESS1 RTL8019_REG_09
-#define RTL8019_CRDMA1 RTL8019_REG_09
-#define RTL8019_REMOTEBYTECOUNT0 RTL8019_REG_0a
-#define RTL8019_REMOTEBYTECOUNT1 RTL8019_REG_0b
-#define RTL8019_RECEIVESTATUS RTL8019_REG_0c
-#define RTL8019_RECEIVECONFIGURATION RTL8019_REG_0c
-#define RTL8019_TRANSMITCONFIGURATION RTL8019_REG_0d
-#define RTL8019_FAE_TALLY RTL8019_REG_0d
-#define RTL8019_DATACONFIGURATION RTL8019_REG_0e
-#define RTL8019_CRC_TALLY RTL8019_REG_0e
-#define RTL8019_INTERRUPTMASK RTL8019_REG_0f
-#define RTL8019_MISS_PKT_TALLY RTL8019_REG_0f
-#define RTL8019_PHYSICALADDRESS0 RTL8019_REG_01
-#define RTL8019_PHYSICALADDRESS1 RTL8019_REG_02
-#define RTL8019_PHYSICALADDRESS2 RTL8019_REG_03
-#define RTL8019_PHYSICALADDRESS3 RTL8019_REG_04
-#define RTL8019_PHYSICALADDRESS4 RTL8019_REG_05
-#define RTL8019_PHYSICALADDRESS5 RTL8019_REG_06
-#define RTL8019_MULTIADDRESS0 RTL8019_REG_08
-#define RTL8019_MULTIADDRESS1 RTL8019_REG_09
-#define RTL8019_MULTIADDRESS2 RTL8019_REG_0a
-#define RTL8019_MULTIADDRESS3 RTL8019_REG_0b
-#define RTL8019_MULTIADDRESS4 RTL8019_REG_0c
-#define RTL8019_MULTIADDRESS5 RTL8019_REG_0d
-#define RTL8019_MULTIADDRESS6 RTL8019_REG_0e
-#define RTL8019_MULTIADDRESS7 RTL8019_REG_0f
-#define RTL8019_DMA_DATA RTL8019_REG_10
-#define RTL8019_RESET RTL8019_REG_1f
-
-#define RTL8019_PAGE0 0x22
-#define RTL8019_PAGE1 0x62
-#define RTL8019_PAGE0DMAWRITE 0x12
-#define RTL8019_PAGE2DMAWRITE 0x92
-#define RTL8019_REMOTEDMAWR 0x12
-#define RTL8019_REMOTEDMARD 0x0A
-#define RTL8019_ABORTDMAWR 0x32
-#define RTL8019_ABORTDMARD 0x2A
-#define RTL8019_PAGE0STOP 0x21
-#define RTL8019_PAGE1STOP 0x61
-#define RTL8019_TRANSMIT 0x26
-#define RTL8019_TXINPROGRESS 0x04
-#define RTL8019_SEND 0x1A
-
-#define RTL8019_PSTART 0x4c
-#define RTL8019_PSTOP 0x80
-#define RTL8019_TPSTART 0x40
-
-#endif /*end of CONFIG_DRIVER_RTL8019*/
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