* Patch by Xue Ligong (Joe), 13 Nov 2003:
add Realtek 8019 ethernet driver
* Patch by Yuli Barcohen, 13 Nov 2003:
MPC826xADS/PQ2FADS cleanup
* Patch by Anders Larsen, 12 Nov 2003:
Update README to mark the PORTIO commands non-standard
diff --git a/drivers/Makefile b/drivers/Makefile
index f1ea117..1ee520f 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -36,6 +36,7 @@
ns16550.o ns8382x.o ns87308.o \
pci.o pci_auto.o pci_indirect.o \
pcnet.o plb2800_eth.o \
+ rtl8019.o \
s3c24x0_i2c.o sed13806.o serial.o \
serial_max3100.o \
smc91111.o smiLynxEM.o sym53c8xx.o \
diff --git a/drivers/rtl8019.c b/drivers/rtl8019.c
new file mode 100644
index 0000000..62b9245
--- /dev/null
+++ b/drivers/rtl8019.c
@@ -0,0 +1,282 @@
+/*
+ * 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>
+
+#ifdef CONFIG_DRIVER_RTL8019
+
+#if (CONFIG_COMMANDS & CFG_CMD_NET)
+
+
+/* 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)
+{
+ 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);
+ put_reg (RTL8019_PHYSICALADDRESS0, bd->bi_enetaddr[0]);
+ put_reg (RTL8019_PHYSICALADDRESS1, bd->bi_enetaddr[1]);
+ put_reg (RTL8019_PHYSICALADDRESS2, bd->bi_enetaddr[2]);
+ put_reg (RTL8019_PHYSICALADDRESS3, bd->bi_enetaddr[3]);
+ put_reg (RTL8019_PHYSICALADDRESS4, bd->bi_enetaddr[4]);
+ put_reg (RTL8019_PHYSICALADDRESS5, bd->bi_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;
+}
+
+#endif /* COMMANDS & CFG_NET */
+
+#endif /* CONFIG_DRIVER_RTL8019 */
diff --git a/drivers/rtl8019.h b/drivers/rtl8019.h
new file mode 100644
index 0000000..b53e142
--- /dev/null
+++ b/drivers/rtl8019.h
@@ -0,0 +1,135 @@
+/*
+ * 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*/
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+