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-rw-r--r--cpu/mpc8260/Makefile8
-rw-r--r--cpu/mpc8260/cpu.c3
-rw-r--r--cpu/mpc8260/ether_scc.c50
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;
+}