Merge branch 'master' of git://git.denx.de/u-boot-net

3 files changed, 49 insertions, 12 deletions

diff --git a/cpu/mpc8260/Makefile b/cpu/mpc8260/Makefile
index 80d7852..9f0c2dd 100644
--- a/cpu/mpc8260/Makefile
+++ b/cpu/mpc8260/Makefile
@@ -1,5 +1,5 @@
 #
-# (C) Copyright 2000-2006
+# (C) Copyright 2000-2008
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 #
 # See file CREDITS for list of people who contributed to this
@@ -27,9 +27,13 @@ LIB	= $(obj)lib$(CPU).a
 
 START	= start.o kgdb.o
 COBJS	= traps.o serial_smc.o serial_scc.o cpu.o cpu_init.o speed.o \
-	  interrupts.o ether_scc.o ether_fcc.o i2c.o commproc.o \
+	  interrupts.o ether_fcc.o i2c.o commproc.o \
 	  bedbug_603e.o pci.o spi.o
 
+COBJS-$(CONFIG_ETHER_ON_SCC) = ether_scc.o
+
+COBJS	+= $(COBJS-y)
+
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
 START	:= $(addprefix $(obj),$(START))
diff --git a/cpu/mpc8260/cpu.c b/cpu/mpc8260/cpu.c
index b9e748a..f4beca5 100644
--- a/cpu/mpc8260/cpu.c
+++ b/cpu/mpc8260/cpu.c
@@ -326,5 +326,8 @@ int cpu_eth_init(bd_t *bis)
 #if defined(CONFIG_ETHER_ON_FCC)
 	fec_initialize(bis);
 #endif
+#if defined(CONFIG_ETHER_ON_SCC)
+	mpc82xx_scc_enet_initialize(bd);
+#endif
 	return 0;
 }
diff --git a/cpu/mpc8260/ether_scc.c b/cpu/mpc8260/ether_scc.c
index c65f0e0..3671ef1 100644
--- a/cpu/mpc8260/ether_scc.c
+++ b/cpu/mpc8260/ether_scc.c
@@ -10,6 +10,12 @@
  * Advent Networks, Inc. <http://www.adventnetworks.com>
  * Jay Monkman <jtm@smoothsmoothie.com>
  *
+ * Modified so that it plays nicely when more than one ETHERNET interface
+ * is in use a la ether_fcc.c.
+ * (C) Copyright 2008
+ * DENX Software Engineerin GmbH
+ * Gary Jennejohn <garyj@denx.de>
+ *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
@@ -32,11 +38,14 @@
 #include <common.h>
 #include <asm/cpm_8260.h>
 #include <mpc8260.h>
+#include <malloc.h>
 #include <net.h>
 #include <command.h>
 #include <config.h>
 
-#if defined(CONFIG_ETHER_ON_SCC) && defined(CONFIG_CMD_NET)
+#ifndef CONFIG_NET_MULTI
+#error "CONFIG_NET_MULTI must be defined."
+#endif
 
 #if (CONFIG_ETHER_INDEX == 1)
 #  define PROFF_ENET            PROFF_SCC1
@@ -100,7 +109,7 @@ typedef volatile struct CommonBufferDescriptor {
 static RTXBD *rtx;
 
 
-int eth_send(volatile void *packet, int length)
+static int sec_send(struct eth_device *dev, volatile void *packet, int length)
 {
     int i;
     int result = 0;
@@ -137,7 +146,7 @@ int eth_send(volatile void *packet, int length)
 }
 
 
-int eth_rx(void)
+static int sec_rx(struct eth_device *dev)
 {
     int length;
 
@@ -184,7 +193,7 @@ int eth_rx(void)
  *
  *************************************************************/
 
-int eth_init(bd_t *bis)
+static int sec_init(struct eth_device *dev, bd_t *bis)
 {
     int i;
     volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
@@ -194,9 +203,14 @@ int eth_init(bd_t *bis)
     rxIdx = 0;
     txIdx = 0;
 
-    /* assign static pointer to BD area */
-    dpaddr = m8260_cpm_dpalloc(sizeof(RTXBD) + 2, 16);
-    rtx = (RTXBD *)&immr->im_dprambase[dpaddr];
+    /*
+     * Assign static pointer to BD area.
+     * Avoid exhausting DPRAM, which would cause a panic.
+     */
+    if (rtx == NULL) {
+	    dpaddr = m8260_cpm_dpalloc(sizeof(RTXBD) + 2, 16);
+	    rtx = (RTXBD *)&immr->im_dprambase[dpaddr];
+    }
 
     /* 24.21 - (1-3): ioports have been set up already */
 
@@ -338,7 +352,7 @@ int eth_init(bd_t *bis)
 }
 
 
-void eth_halt(void)
+static void sec_halt(struct eth_device *dev)
 {
     volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
     immr->im_scc[CONFIG_ETHER_INDEX-1].scc_gsmrl &= ~(SCC_GSMRL_ENR |
@@ -346,7 +360,7 @@ void eth_halt(void)
 }
 
 #if 0
-void restart(void)
+static void sec_restart(void)
 {
     volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
     immr->im_cpm.cp_scc[CONFIG_ETHER_INDEX-1].scc_gsmrl |= (SCC_GSMRL_ENR |
@@ -354,4 +368,20 @@ void restart(void)
 }
 #endif
 
-#endif
+int mpc82xx_scc_enet_initialize(bd_t *bis)
+{
+	struct eth_device *dev;
+
+	dev = (struct eth_device *) malloc(sizeof *dev);
+	memset(dev, 0, sizeof *dev);
+
+	sprintf(dev->name, "SCC ETHERNET");
+	dev->init   = sec_init;
+	dev->halt   = sec_halt;
+	dev->send   = sec_send;
+	dev->recv   = sec_rx;
+
+	eth_register(dev);
+
+	return 1;
+}