Add support for the console over Ethernet (through PCI NE2000).

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Cristian Magherusan-Stanciu <cristi.magherusan@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5666 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

3 files changed, 52 insertions, 1 deletions

diff --git a/src/include/console/console.h b/src/include/console/console.h
index 5b5004629b..cab3c9e807 100644
--- a/src/include/console/console.h
+++ b/src/include/console/console.h
@@ -131,10 +131,17 @@ int do_printk(int msg_level, const char *fmt, ...) __attribute__((format(printf,
 
 #include <pc80/serial.c>
 
+#if CONFIG_CONSOLE_NE2K
+#include "lib/ne2k.c"
+#endif
+
 /* __ROMCC__ */
 static void __console_tx_byte(unsigned char byte)
 {
 	uart_tx_byte(byte);
+#if CONFIG_CONSOLE_NE2K
+	ne2k_append_data_byte(byte, CONFIG_CONSOLE_NE2K_IO_PORT);
+#endif
 }
 
 static void __console_tx_nibble(unsigned nibble)
@@ -151,6 +158,10 @@ static void __console_tx_char(int loglevel, unsigned char byte)
 {
 	if (console_loglevel >= loglevel) {
 		uart_tx_byte(byte);
+#if CONFIG_CONSOLE_NE2K
+	ne2k_append_data_byte(byte, CONFIG_CONSOLE_NE2K_IO_PORT);
+	ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
+#endif
 	}
 }
 
@@ -160,6 +171,9 @@ static void __console_tx_hex8(int loglevel, unsigned char value)
 		__console_tx_nibble((value >>  4U) & 0x0fU);
 		__console_tx_nibble(value & 0x0fU);
 	}
+#if CONFIG_CONSOLE_NE2K
+		ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
+#endif
 }
 
 static void __console_tx_hex16(int loglevel, unsigned short value)
@@ -170,6 +184,9 @@ static void __console_tx_hex16(int loglevel, unsigned short value)
 		__console_tx_nibble((value >>  4U) & 0x0fU);
 		__console_tx_nibble(value & 0x0fU);
 	}
+#if CONFIG_CONSOLE_NE2K
+		ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
+#endif
 }
 
 static void __console_tx_hex32(int loglevel, unsigned int value)
@@ -184,6 +201,9 @@ static void __console_tx_hex32(int loglevel, unsigned int value)
 		__console_tx_nibble((value >>  4U) & 0x0fU);
 		__console_tx_nibble(value & 0x0fU);
 	}
+#if CONFIG_CONSOLE_NE2K
+		ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
+#endif
 }
 
 static void __console_tx_string(int loglevel, const char *str)
@@ -195,6 +215,9 @@ static void __console_tx_string(int loglevel, const char *str)
 				__console_tx_byte('\r');
 			__console_tx_byte(ch);
 		}
+#if CONFIG_CONSOLE_NE2K
+		ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
+#endif
 	}
 }
 
diff --git a/src/include/console/ne2k.h b/src/include/console/ne2k.h
new file mode 100644
index 0000000000..45073808da
--- /dev/null
+++ b/src/include/console/ne2k.h
@@ -0,0 +1,27 @@
+#ifndef _NE2K_H__
+#define _NE2K_H__
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Rudolf Marek <r.marek@assembler.cz>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef __ROMCC__
+void ne2k_append_data(unsigned char *d, int len, unsigned int base);
+int ne2k_init(unsigned int eth_nic_base);
+void ne2k_transmit(unsigned int eth_nic_base);
+#endif
+#endif /* _NE2K_H */
diff --git a/src/include/ip_checksum.h b/src/include/ip_checksum.h
index c2cb938294..de26fa06cc 100644
--- a/src/include/ip_checksum.h
+++ b/src/include/ip_checksum.h
@@ -1,7 +1,8 @@
 #ifndef IP_CHECKSUM_H
 #define IP_CHECKSUM_H
 
+#ifndef __ROMCC__
 unsigned long compute_ip_checksum(void *addr, unsigned long length);
 unsigned long add_ip_checksums(unsigned long offset, unsigned long sum, unsigned long new);
-
+#endif
 #endif /* IP_CHECKSUM_H */