mpc83xx: add QE ethernet support
this patch adds support for the QUICC Engine based UCC gigabit ethernet device.
diff --git a/cpu/mpc83xx/Makefile b/cpu/mpc83xx/Makefile
index 1aa0005..e254ef9 100644
--- a/cpu/mpc83xx/Makefile
+++ b/cpu/mpc83xx/Makefile
@@ -29,7 +29,7 @@
START = start.o
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \
- i2c.o spd_sdram.o
+ i2c.o spd_sdram.o qe_io.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c
index 999fe71..eb8f8c0 100644
--- a/cpu/mpc83xx/cpu_init.c
+++ b/cpu/mpc83xx/cpu_init.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -31,6 +31,30 @@
DECLARE_GLOBAL_DATA_PTR;
+#ifdef CONFIG_QE
+extern qe_iop_conf_t qe_iop_conf_tab[];
+extern void qe_config_iopin(u8 port, u8 pin, int dir,
+ int open_drain, int assign);
+extern void qe_init(uint qe_base);
+extern void qe_reset(void);
+
+static void config_qe_ioports(void)
+{
+ u8 port, pin;
+ int dir, open_drain, assign;
+ int i;
+
+ for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
+ port = qe_iop_conf_tab[i].port;
+ pin = qe_iop_conf_tab[i].pin;
+ dir = qe_iop_conf_tab[i].dir;
+ open_drain = qe_iop_conf_tab[i].open_drain;
+ assign = qe_iop_conf_tab[i].assign;
+ qe_config_iopin(port, pin, dir, open_drain, assign);
+ }
+}
+#endif
+
/*
* Breathe some life into the CPU...
*
@@ -100,6 +124,10 @@
#ifdef CFG_SICRL
im->sysconf.sicrl = CFG_SICRL;
#endif
+#ifdef CONFIG_QE
+ /* Config QE ioports */
+ config_qe_ioports();
+#endif
/*
* Memory Controller:
@@ -188,12 +216,12 @@
#endif
}
-
-/*
- * Initialize higher level parts of CPU like time base and timers.
- */
-
int cpu_init_r (void)
{
+#ifdef CONFIG_QE
+ uint qe_base = CFG_IMMRBAR + 0x00100000; /* QE immr base */
+ qe_init(qe_base);
+ qe_reset();
+#endif
return 0;
}
diff --git a/cpu/mpc83xx/qe_io.c b/cpu/mpc83xx/qe_io.c
new file mode 100644
index 0000000..11cf372
--- /dev/null
+++ b/cpu/mpc83xx/qe_io.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2006 Freescale Semiconductor, Inc.
+ *
+ * Dave Liu <daveliu@freescale.com>
+ * based on source code of Shlomi Gridish
+ *
+ * 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
+ */
+
+#include "common.h"
+#include "asm/errno.h"
+#include "asm/io.h"
+#include "asm/immap_83xx.h"
+
+#if defined(CONFIG_QE)
+#define NUM_OF_PINS 32
+void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign)
+{
+ u32 pin_2bit_mask;
+ u32 pin_2bit_dir;
+ u32 pin_2bit_assign;
+ u32 pin_1bit_mask;
+ u32 tmp_val;
+ volatile immap_t *im = (volatile immap_t *)CFG_IMMRBAR;
+ volatile gpio83xx_t *par_io =(volatile gpio83xx_t *)&im->gpio;
+
+ /* Caculate pin location and 2bit mask and dir */
+ pin_2bit_mask = (u32)(0x3 << (NUM_OF_PINS-(pin%(NUM_OF_PINS/2)+1)*2));
+ pin_2bit_dir = (u32)(dir << (NUM_OF_PINS-(pin%(NUM_OF_PINS/2)+1)*2));
+
+ /* Setup the direction */
+ tmp_val = (pin > (NUM_OF_PINS/2) - 1) ? \
+ in_be32(&par_io->ioport[port].dir2) :
+ in_be32(&par_io->ioport[port].dir1);
+
+ if (pin > (NUM_OF_PINS/2) -1) {
+ out_be32(&par_io->ioport[port].dir2, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io->ioport[port].dir2, pin_2bit_dir | tmp_val);
+ } else {
+ out_be32(&par_io->ioport[port].dir1, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io->ioport[port].dir1, pin_2bit_dir | tmp_val);
+ }
+
+ /* Calculate pin location for 1bit mask */
+ pin_1bit_mask = (u32)(1 << (NUM_OF_PINS - (pin+1)));
+
+ /* Setup the open drain */
+ tmp_val = in_be32(&par_io->ioport[port].podr);
+ if (open_drain) {
+ out_be32(&par_io->ioport[port].podr, pin_1bit_mask | tmp_val);
+ } else {
+ out_be32(&par_io->ioport[port].podr, ~pin_1bit_mask & tmp_val);
+ }
+
+ /* Setup the assignment */
+ tmp_val = (pin > (NUM_OF_PINS/2) - 1) ?
+ in_be32(&par_io->ioport[port].ppar2):
+ in_be32(&par_io->ioport[port].ppar1);
+ pin_2bit_assign = (u32)(assign
+ << (NUM_OF_PINS - (pin%(NUM_OF_PINS/2)+1)*2));
+
+ /* Clear and set 2 bits mask */
+ if (pin > (NUM_OF_PINS/2) - 1) {
+ out_be32(&par_io->ioport[port].ppar2, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io->ioport[port].ppar2, pin_2bit_assign | tmp_val);
+ } else {
+ out_be32(&par_io->ioport[port].ppar1, ~pin_2bit_mask & tmp_val);
+ out_be32(&par_io->ioport[port].ppar1, pin_2bit_assign | tmp_val);
+ }
+}
+
+#endif /* CONFIG_QE */