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-rwxr-xr-xMAKEALL10
-rw-r--r--Makefile7
-rw-r--r--board/ads5121/Makefile50
-rw-r--r--board/ads5121/ads5121.c188
-rw-r--r--board/ads5121/config.mk23
-rw-r--r--board/ads5121/u-boot.lds122
-rw-r--r--cpu/mpc512x/Makefile46
-rw-r--r--cpu/mpc512x/config.mk25
-rw-r--r--cpu/mpc512x/cpu.c127
-rw-r--r--cpu/mpc512x/cpu_init.c87
-rw-r--r--cpu/mpc512x/fec.c801
-rw-r--r--cpu/mpc512x/fec.h224
-rw-r--r--cpu/mpc512x/i2c.c431
-rw-r--r--cpu/mpc512x/interrupts.c61
-rw-r--r--cpu/mpc512x/serial.c197
-rw-r--r--cpu/mpc512x/speed.c135
-rw-r--r--cpu/mpc512x/start.S780
-rw-r--r--cpu/mpc512x/traps.c205
-rw-r--r--include/asm-ppc/e300.h1
-rw-r--r--include/asm-ppc/global_data.h4
-rw-r--r--include/asm-ppc/immap_512x.h569
-rw-r--r--include/common.h8
-rw-r--r--include/configs/ads5121.h410
-rw-r--r--include/mpc512x.h398
-rw-r--r--net/eth.c4
25 files changed, 4911 insertions, 2 deletions
diff --git a/MAKEALL b/MAKEALL
index 127faa83a..2a03b6870 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -44,6 +44,14 @@ LIST_5xxx=" \
"
#########################################################################
+## MPC512x Systems
+#########################################################################
+
+LIST_512x=" \
+ ads5121 \
+"
+
+#########################################################################
## MPC8xx Systems
#########################################################################
LIST_8xx=" \
@@ -365,7 +373,7 @@ do
microblaze| \
mips|mips_el| \
nios|nios2| \
- ppc|5xx|5xxx|8xx|8220|824x|8260|83xx|85xx|86xx|4xx|7xx|74xx| \
+ ppc|5xx|5xxx|512x|8xx|8220|824x|8260|83xx|85xx|86xx|4xx|7xx|74xx| \
x86|I486)
for target in `eval echo '$LIST_'${arg}`
do
diff --git a/Makefile b/Makefile
index 3af9962e6..5b87aad5b 100644
--- a/Makefile
+++ b/Makefile
@@ -642,6 +642,13 @@ motionpro_config: unconfig
#########################################################################
+## MPC512x Systems
+#########################################################################
+ads5121_config: unconfig
+ @$(MKCONFIG) ads5121 ppc mpc512x ads5121
+
+
+#########################################################################
## MPC8xx Systems
#########################################################################
diff --git a/board/ads5121/Makefile b/board/ads5121/Makefile
new file mode 100644
index 000000000..cd8148c43
--- /dev/null
+++ b/board/ads5121/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2007
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := $(BOARD).o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c
new file mode 100644
index 000000000..0a99a34ac
--- /dev/null
+++ b/board/ads5121/ads5121.c
@@ -0,0 +1,188 @@
+/*
+ * (C) Copyright 2007 DENX Software Engineering
+ *
+ * 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
+ *
+ */
+
+#include <common.h>
+#include <mpc512x.h>
+#include <asm/bitops.h>
+#include <command.h>
+
+/* Clocks in use */
+#define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN | \
+ CLOCK_SCCR1_LPC_EN | \
+ CLOCK_SCCR1_PSC_EN(CONFIG_PSC_CONSOLE) | \
+ CLOCK_SCCR1_PSCFIFO_EN | \
+ CLOCK_SCCR1_DDR_EN | \
+ CLOCK_SCCR1_FEC_EN)
+
+#define SCCR2_CLOCKS_EN (CLOCK_SCCR2_MEM_EN | \
+ CLOCK_SCCR2_SPDIF_EN | \
+ CLOCK_SCCR2_I2C_EN)
+
+#define CSAW_START(start) ((start) & 0xFFFF0000)
+#define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16)
+
+long int fixed_sdram(void);
+
+int board_early_init_f (void)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ u32 lpcaw;
+
+ /*
+ * Initialize Local Window for the CPLD registers access (CS2 selects
+ * the CPLD chip)
+ */
+ im->sysconf.lpcs2aw = CSAW_START(CFG_CPLD_BASE) |
+ CSAW_STOP(CFG_CPLD_BASE, CFG_CPLD_SIZE);
+ im->lpc.cs_cfg[2] = CFG_CS2_CFG;
+
+ /*
+ * According to MPC5121e RM, configuring local access windows should
+ * be followed by a dummy read of the config register that was
+ * modified last and an isync
+ */
+ lpcaw = im->sysconf.lpcs2aw;
+ __asm__ __volatile__ ("isync");
+
+ /*
+ * Disable Boot NOR FLASH write protect - CPLD Reg 8 NOR FLASH Control
+ *
+ * Without this the flash identification routine fails, as it needs to issue
+ * write commands in order to establish the device ID.
+ */
+ *((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0xC1;
+
+ /*
+ * Enable clocks
+ */
+ im->clk.sccr[0] = SCCR1_CLOCKS_EN;
+ im->clk.sccr[1] = SCCR2_CLOCKS_EN;
+
+ return 0;
+}
+
+long int initdram (int board_type)
+{
+ u32 msize = 0;
+
+ puts ("Initializing\n");
+ msize = fixed_sdram ();
+ puts (" DDR RAM: ");
+
+ return msize;
+}
+
+/*
+ * fixed sdram init -- the board doesn't use memory modules that have serial presence
+ * detect or similar mechanism for discovery of the DRAM settings
+ */
+long int fixed_sdram (void)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ u32 msize = CFG_DDR_SIZE * 1024 * 1024;
+ u32 msize_log2 = __ilog2 (msize);
+ u32 i;
+
+ /* Initialize IO Control */
+ im->io_ctrl.regs[MEM_IDX] = IOCTRL_MUX_DDR;
+
+ /* Initialize DDR Local Window */
+ im->sysconf.ddrlaw.bar = CFG_DDR_BASE & 0xFFFFF000;
+ im->sysconf.ddrlaw.ar = msize_log2 - 1;
+
+ /*
+ * According to MPC5121e RM, configuring local access windows should
+ * be followed by a dummy read of the config register that was
+ * modified last and an isync
+ */
+ i = im->sysconf.ddrlaw.ar;
+ __asm__ __volatile__ ("isync");
+
+ /* Enable DDR */
+ im->mddrc.ddr_sys_config = CFG_MDDRC_SYS_CFG_EN;
+
+ /* Initialize DDR Priority Manager */
+ im->mddrc.prioman_config1 = CFG_MDDRCGRP_PM_CFG1;
+ im->mddrc.prioman_config2 = CFG_MDDRCGRP_PM_CFG2;
+ im->mddrc.hiprio_config = CFG_MDDRCGRP_HIPRIO_CFG;
+ im->mddrc.lut_table0_main_upper = CFG_MDDRCGRP_LUT0_MU;
+ im->mddrc.lut_table1_main_upper = CFG_MDDRCGRP_LUT1_MU;
+ im->mddrc.lut_table2_main_upper = CFG_MDDRCGRP_LUT2_MU;
+ im->mddrc.lut_table3_main_upper = CFG_MDDRCGRP_LUT3_MU;
+ im->mddrc.lut_table4_main_upper = CFG_MDDRCGRP_LUT4_MU;
+ im->mddrc.lut_table0_main_lower = CFG_MDDRCGRP_LUT0_ML;
+ im->mddrc.lut_table1_main_lower = CFG_MDDRCGRP_LUT1_ML;
+ im->mddrc.lut_table2_main_lower = CFG_MDDRCGRP_LUT2_ML;
+ im->mddrc.lut_table3_main_lower = CFG_MDDRCGRP_LUT3_ML;
+ im->mddrc.lut_table4_main_lower = CFG_MDDRCGRP_LUT4_ML;
+ im->mddrc.lut_table0_alternate_upper = CFG_MDDRCGRP_LUT0_AU;
+ im->mddrc.lut_table1_alternate_upper = CFG_MDDRCGRP_LUT1_AU;
+ im->mddrc.lut_table2_alternate_upper = CFG_MDDRCGRP_LUT2_AU;
+ im->mddrc.lut_table3_alternate_upper = CFG_MDDRCGRP_LUT3_AU;
+ im->mddrc.lut_table4_alternate_upper = CFG_MDDRCGRP_LUT4_AU;
+ im->mddrc.lut_table0_alternate_lower = CFG_MDDRCGRP_LUT0_AU;
+ im->mddrc.lut_table1_alternate_lower = CFG_MDDRCGRP_LUT1_AL;
+ im->mddrc.lut_table2_alternate_lower = CFG_MDDRCGRP_LUT2_AL;
+ im->mddrc.lut_table3_alternate_lower = CFG_MDDRCGRP_LUT3_AL;
+ im->mddrc.lut_table4_alternate_lower = CFG_MDDRCGRP_LUT4_AL;
+
+ /* Initialize MDDRC */
+ im->mddrc.ddr_sys_config = CFG_MDDRC_SYS_CFG;
+ im->mddrc.ddr_time_config0 = CFG_MDDRC_TIME_CFG0;
+ im->mddrc.ddr_time_config1 = CFG_MDDRC_TIME_CFG1;
+ im->mddrc.ddr_time_config2 = CFG_MDDRC_TIME_CFG2;
+
+ /* Initialize DDR */
+ for (i = 0; i < 10; i++)
+ im->mddrc.ddr_command = CFG_MICRON_NOP;
+
+ im->mddrc.ddr_command = CFG_MICRON_PCHG_ALL;
+ im->mddrc.ddr_command = CFG_MICRON_EM2;
+ im->mddrc.ddr_command = CFG_MICRON_EM3;
+ im->mddrc.ddr_command = CFG_MICRON_EN_DLL;
+ im->mddrc.ddr_command = CFG_MICRON_RST_DLL;
+ im->mddrc.ddr_command = CFG_MICRON_PCHG_ALL;
+ im->mddrc.ddr_command = CFG_MICRON_RFSH;
+ im->mddrc.ddr_command = CFG_MICRON_INIT_DEV_OP;
+ im->mddrc.ddr_command = CFG_MICRON_OCD_DEFAULT;
+ im->mddrc.ddr_command = CFG_MICRON_OCD_EXIT;
+
+ for (i = 0; i < 10; i++)
+ im->mddrc.ddr_command = CFG_MICRON_NOP;
+
+ /* Start MDDRC */
+ im->mddrc.ddr_time_config0 = CFG_MDDRC_TIME_CFG0_RUN;
+ im->mddrc.ddr_sys_config = CFG_MDDRC_SYS_CFG_RUN;
+
+ return msize;
+}
+
+int checkboard (void)
+{
+ ushort brd_rev = *(vu_short *) (CFG_CPLD_BASE + 0x00);
+ uchar cpld_rev = *(vu_char *) (CFG_CPLD_BASE + 0x02);
+
+ printf ("Board: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n",
+ brd_rev, cpld_rev);
+ return 0;
+}
diff --git a/board/ads5121/config.mk b/board/ads5121/config.mk
new file mode 100644
index 000000000..14998f475
--- /dev/null
+++ b/board/ads5121/config.mk
@@ -0,0 +1,23 @@
+#
+# (C) Copyright 2007 DENX Software Engineering
+#
+# 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
+#
+
+TEXT_BASE = 0xFFF00000
diff --git a/board/ads5121/u-boot.lds b/board/ads5121/u-boot.lds
new file mode 100644
index 000000000..038d84955
--- /dev/null
+++ b/board/ads5121/u-boot.lds
@@ -0,0 +1,122 @@
+/*
+ * (C) Copyright 2007 DENX Software Engineering.
+ *
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ cpu/mpc512x/start.o (.text)
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ . = ALIGN(16);
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ *(.eh_frame)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+ __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
+ENTRY(_start)
diff --git a/cpu/mpc512x/Makefile b/cpu/mpc512x/Makefile
new file mode 100644
index 000000000..2be35b2bc
--- /dev/null
+++ b/cpu/mpc512x/Makefile
@@ -0,0 +1,46 @@
+#
+# (C) Copyright 2007 DENX Software Engineering
+#
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(CPU).a
+
+START = start.o
+COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o serial.o fec.o i2c.o
+
+SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+START := $(addprefix $(obj),$(START))
+
+all: $(obj).depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/cpu/mpc512x/config.mk b/cpu/mpc512x/config.mk
new file mode 100644
index 000000000..8a07c5a3b
--- /dev/null
+++ b/cpu/mpc512x/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2007 DENX Software Engineering
+#
+# 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
+#
+PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi
+
+PLATFORM_CPPFLAGS += -DCONFIG_MPC512X -DCONFIG_E300 \
+ -ffixed-r2 -ffixed-r29 -msoft-float -mcpu=603e
diff --git a/cpu/mpc512x/cpu.c b/cpu/mpc512x/cpu.c
new file mode 100644
index 000000000..3be565ad0
--- /dev/null
+++ b/cpu/mpc512x/cpu.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
+ * (C) Copyright 2007 DENX Software Engineering
+ *
+ * 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
+ */
+
+/*
+ * CPU specific code for the MPC512x family.
+ *
+ * Derived from the MPC83xx code.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <mpc512x.h>
+#include <asm/processor.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkcpu (void)
+{
+ volatile immap_t *immr = (immap_t *) CFG_IMMR;
+ ulong clock = gd->cpu_clk;
+ u32 pvr = get_pvr ();
+ u32 spridr = immr->sysconf.spridr;
+ char buf[32];
+
+ puts("CPU: ");
+
+ switch (spridr & 0xffff0000) {
+ case SPR_5121E:
+ puts ("MPC5121e ");
+ break;
+ default:
+ printf ("Unknown part ID %08x ", spridr & 0xffff0000);
+ }
+ printf ("rev. %d.%d, Core ", SVR_MJREV (spridr), SVR_MNREV (spridr));
+
+ switch (pvr & 0xffff0000) {
+ case PVR_E300C4:
+ puts ("e300c4 ");
+ break;
+ default:
+ puts ("unknown ");
+ }
+ printf ("at %s MHz, CSB at %3d MHz\n", strmhz(buf, clock),
+ gd->csb_clk / 1000000);
+ return 0;
+}
+
+
+int
+do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ ulong msr;
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+
+ /* Interrupts and MMU off */
+ __asm__ __volatile__ ("mfmsr %0":"=r" (msr):);
+
+ msr &= ~( MSR_EE | MSR_IR | MSR_DR);
+ __asm__ __volatile__ ("mtmsr %0"::"r" (msr));
+
+ /*
+ * Enable Reset Control Reg - "RSTE" is the magic word that let us go
+ */
+ immap->reset.rpr = 0x52535445;
+
+ /* Verify Reset Control Reg is enabled */
+ while (!((immap->reset.rcer) & RCER_CRE))
+ ;
+
+ printf ("Resetting the board.\n");
+ udelay(200);
+
+ /* Perform reset */
+ immap->reset.rcr = RCR_SWHR;
+
+ /* Unreached... */
+ return 1;
+}
+
+
+/*
+ * Get timebase clock frequency (like cpu_clk in Hz)
+ */
+unsigned long get_tbclk (void)
+{
+ ulong tbclk;
+
+ tbclk = (gd->bus_clk + 3L) / 4L;
+
+ return tbclk;
+}
+
+
+#if defined(CONFIG_WATCHDOG)
+void watchdog_reset (void)
+{
+ int re_enable = disable_interrupts ();
+
+ /* Reset watchdog */
+ volatile immap_t *immr = (immap_t *) CFG_IMMR;
+ immr->wdt.swsrr = 0x556c;
+ immr->wdt.swsrr = 0xaa39;
+
+ if (re_enable)
+ enable_interrupts ();
+}
+#endif
diff --git a/cpu/mpc512x/cpu_init.c b/cpu/mpc512x/cpu_init.c
new file mode 100644
index 000000000..566e08b0d
--- /dev/null
+++ b/cpu/mpc512x/cpu_init.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
+ * (C) Copyright 2007 DENX Software Engineering
+ *
+ * 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
+ *
+ * Derived from the MPC83xx code.
+ *
+ */
+
+#include <common.h>
+#include <mpc512x.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Set up the memory map, initialize registers,
+ */
+void cpu_init_f (volatile immap_t * im)
+{
+ u32 ips_div;
+
+ /* Pointer is writable since we allocated a register for it */
+ gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
+
+ /* Clear initial global data */
+ memset ((void *) gd, 0, sizeof (gd_t));
+
+ /* system performance tweaking */
+
+#ifdef CFG_ACR_PIPE_DEP
+ /* Arbiter pipeline depth */
+ im->arbiter.acr = (im->arbiter.acr & ~ACR_PIPE_DEP) |
+ (CFG_ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT);
+#endif
+
+#ifdef CFG_ACR_RPTCNT
+ /* Arbiter repeat count */
+ im->arbiter.acr = ((im->arbiter.acr & ~(ACR_RPTCNT)) |
+ (CFG_ACR_RPTCNT << ACR_RPTCNT_SHIFT));
+#endif
+
+ /* RSR - Reset Status Register - clear all status */
+ gd->reset_status = im->reset.rsr;
+ im->reset.rsr = ~(RSR_RES);
+
+ /*
+ * RMR - Reset Mode Register - enable checkstop reset
+ */
+ im->reset.rmr = (RMR_CSRE & (1 << RMR_CSRE_SHIFT));
+
+ /* Set IPS-CSB divider: IPS = 1/2 CSB */
+ ips_div = im->clk.scfr[0];
+ ips_div &= ~(SCFR1_IPS_DIV_MASK);
+ ips_div |= SCFR1_IPS_DIV << SCFR1_IPS_DIV_SHIFT;
+ im->clk.scfr[0] = ips_div;
+
+ /*
+ * Enable Time Base/Decrementer
+ *
+ * NOTICE: TB needs to be enabled as early as possible in order to
+ * have udelay() working; if not enabled, usually leads to a hang, like
+ * during FLASH chip identification etc.
+ */
+ im->sysconf.spcr |= SPCR_TBEN;
+}
+
+int cpu_init_r (void)
+{
+ return 0;
+}
diff --git a/cpu/mpc512x/fec.c b/cpu/mpc512x/fec.c
new file mode 100644
index 000000000..f1b7a2563
--- /dev/null
+++ b/cpu/mpc512x/fec.c
@@ -0,0 +1,801 @@
+/*
+ * (C) Copyright 2003-2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Derived from the MPC8xx FEC driver.
+ * Adapted for MPC512x by Grzegorz Bernacki <gjb@semihalf.com>
+ */
+
+#include <common.h>
+#include <mpc512x.h>
+#include <malloc.h>
+#include <net.h>
+#include <miiphy.h>
+#include "fec.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define DEBUG 0
+
+#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) && \
+ defined(CONFIG_MPC512x_FEC)
+
+#if !(defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII))
+#error "CONFIG_MII has to be defined!"
+#endif
+
+#if (DEBUG & 0x40)
+static uint32 local_crc32(char *string, unsigned int crc_value, int len);
+#endif
+
+int fec512x_miiphy_read(char *devname, uint8 phyAddr, uint8 regAddr, uint16 * retVal);
+int fec512x_miiphy_write(char *devname, uint8 phyAddr, uint8 regAddr, uint16 data);
+int mpc512x_fec_init_phy(struct eth_device *dev, bd_t * bis);
+
+/********************************************************************/
+#if (DEBUG & 0x2)
+static void mpc512x_fec_phydump (char *devname)
+{
+ uint16 phyStatus, i;
+ uint8 phyAddr = CONFIG_PHY_ADDR;
+ uint8 reg_mask[] = {
+ /* regs to print: 0...8, 21,27,31 */
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1,
+ };
+
+ for (i = 0; i < 32; i++) {
+ if (reg_mask[i]) {
+ miiphy_read (devname, phyAddr, i, &phyStatus);
+ printf ("Mii reg %d: 0x%04x\n", i, phyStatus);
+ }
+ }
+}
+#endif
+
+/********************************************************************/
+static int mpc512x_fec_bd_init (mpc512x_fec_priv *fec)
+{
+ int ix;
+
+ /*
+ * Receive BDs init
+ */
+ for (ix = 0; ix < FEC_RBD_NUM; ix++) {
+ fec->bdBase->rbd[ix].dataPointer = (uint32)&fec->bdBase->recv_frames[ix];
+ fec->bdBase->rbd[ix].status = FEC_RBD_EMPTY;
+ fec->bdBase->rbd[ix].dataLength = 0;
+ }
+
+ /*
+ * have the last RBD to close the ring
+ */
+ fec->bdBase->rbd[ix - 1].status |= FEC_RBD_WRAP;
+ fec->rbdIndex = 0;
+
+ /*
+ * Trasmit BDs init
+ */
+ for (ix = 0; ix < FEC_TBD_NUM; ix++) {
+ fec->bdBase->tbd[ix].status = 0;
+ }
+
+ /*
+ * Have the last TBD to close the ring
+ */
+ fec->bdBase->tbd[ix - 1].status |= FEC_TBD_WRAP;
+
+ /*
+ * Initialize some indices
+ */
+ fec->tbdIndex = 0;
+ fec->usedTbdIndex = 0;
+ fec->cleanTbdNum = FEC_TBD_NUM;
+
+ return 0;
+}
+
+/********************************************************************/
+static void mpc512x_fec_rbd_clean (mpc512x_fec_priv *fec, volatile FEC_RBD * pRbd)
+{
+ /*
+ * Reset buffer descriptor as empty
+ */
+ if ((fec->rbdIndex) == (FEC_RBD_NUM - 1))
+ pRbd->status = (FEC_RBD_WRAP | FEC_RBD_EMPTY);
+ else
+ pRbd->status = FEC_RBD_EMPTY;
+
+ pRbd->dataLength = 0;
+
+ /*
+ * Increment BD count
+ */
+ fec->rbdIndex = (fec->rbdIndex + 1) % FEC_RBD_NUM;
+
+ /*
+ * Now, we have an empty RxBD, notify FEC
+ */
+ fec->eth->r_des_active = 0x01000000; /* Descriptor polling active */
+}
+
+/********************************************************************/
+static void mpc512x_fec_tbd_scrub (mpc512x_fec_priv *fec)
+{
+ volatile FEC_TBD *pUsedTbd;
+
+#if (DEBUG & 0x1)
+ printf ("tbd_scrub: fec->cleanTbdNum = %d, fec->usedTbdIndex = %d\n",
+ fec->cleanTbdNum, fec->usedTbdIndex);
+#endif
+
+ /*
+ * process all the consumed TBDs
+ */
+ while (fec->cleanTbdNum < FEC_TBD_NUM) {
+ pUsedTbd = &fec->bdBase->tbd[fec->usedTbdIndex];
+ if (pUsedTbd->status & FEC_TBD_READY) {
+#if (DEBUG & 0x20)
+ printf ("Cannot clean TBD %d, in use\n", fec->usedTbdIndex);
+#endif
+ return;
+ }
+
+ /*
+ * clean this buffer descriptor
+ */
+ if (fec->usedTbdIndex == (FEC_TBD_NUM - 1))
+ pUsedTbd->status = FEC_TBD_WRAP;
+ else
+ pUsedTbd->status = 0;
+
+ /*
+ * update some indeces for a correct handling of the TBD ring
+ */
+ fec->cleanTbdNum++;
+ fec->usedTbdIndex = (fec->usedTbdIndex + 1) % FEC_TBD_NUM;
+ }
+}
+
+/********************************************************************/
+static void mpc512x_fec_set_hwaddr (mpc512x_fec_priv *fec, char *mac)
+{
+ uint8 currByte; /* byte for which to compute the CRC */
+ int byte; /* loop - counter */
+ int bit; /* loop - counter */
+ uint32 crc = 0xffffffff; /* initial value */
+
+ /*
+ * The algorithm used is the following:
+ * we loop on each of the six bytes of the provided address,
+ * and we compute the CRC by left-shifting the previous
+ * value by one position, so that each bit in the current
+ * byte of the address may contribute the calculation. If
+ * the latter and the MSB in the CRC are different, then
+ * the CRC value so computed is also ex-ored with the
+ * "polynomium generator". The current byte of the address
+ * is also shifted right by one bit at each iteration.
+ * This is because the CRC generatore in hardware is implemented
+ * as a shift-register with as many ex-ores as the radixes
+ * in the polynomium. This suggests that we represent the
+ * polynomiumm itself as a 32-bit constant.
+ */
+ for (byte = 0; byte < 6; byte++) {
+ currByte = mac[byte];
+ for (bit = 0; bit < 8; bit++) {
+ if ((currByte & 0x01) ^ (crc & 0x01)) {
+ crc >>= 1;
+ crc = crc ^ 0xedb88320;
+ } else {
+ crc >>= 1;
+ }
+ currByte >>= 1;
+ }
+ }
+
+ crc = crc >> 26;
+
+ /*
+ * Set individual hash table register
+ */
+ if (crc >= 32) {
+ fec->eth->iaddr1 = (1 << (crc - 32));
+ fec->eth->iaddr2 = 0;
+ } else {
+ fec->eth->iaddr1 = 0;
+ fec->eth->iaddr2 = (1 << crc);
+ }
+
+ /*
+ * Set physical address
+ */
+ fec->eth->paddr1 = (mac[0] << 24) + (mac[1] << 16) + (mac[2] << 8) + mac[3];
+ fec->eth->paddr2 = (mac[4] << 24) + (mac[5] << 16) + 0x8808;
+}
+
+/********************************************************************/
+static int mpc512x_fec_init (struct eth_device *dev, bd_t * bis)
+{
+ mpc512x_fec_priv *fec = (mpc512x_fec_priv *)dev->priv;
+
+#if (DEBUG & 0x1)
+ printf ("mpc512x_fec_init... Begin\n");
+#endif
+
+ /* Set interrupt mask register */
+ fec->eth->imask = 0x00000000;
+
+ /* Clear FEC-Lite interrupt event register(IEVENT) */
+ fec->eth->ievent = 0xffffffff;
+
+ /* Set transmit fifo watermark register(X_WMRK), default = 64 */
+ fec->eth->x_wmrk = 0x0;
+
+ /* Set Opcode/Pause Duration Register */
+ fec->eth->op_pause = 0x00010020;
+
+ /* Frame length=1518; MII mode */
+ fec->eth->r_cntrl = 0x05ee000c;
+
+ /* Half-duplex, heartbeat disabled */
+ fec->eth->x_cntrl = 0x00000000;
+
+ /* Enable MIB counters */
+ fec->eth->mib_control = 0x0;
+
+ /* Setup recv fifo start and buff size */
+ fec->eth->r_fstart = 0x500;
+ fec->eth->r_buff_size = 0x5e0;
+
+ /* Setup BD base addresses */
+ fec->eth->r_des_start = (uint32)fec->bdBase->rbd;
+ fec->eth->x_des_start = (uint32)fec->bdBase->tbd;
+
+ /* DMA Control */
+ fec->eth->dma_control = 0xc0000000;
+
+ /* Enable FEC */
+ fec->eth->ecntrl |= 0x00000006;
+
+ /* Initilize addresses and status words of BDs */
+ mpc512x_fec_bd_init (fec);
+
+ /* Descriptor polling active */
+ fec->eth->r_des_active = 0x01000000;
+
+#if (DEBUG & 0x1)
+ printf("mpc512x_fec_init... Done \n");
+#endif
+ return 1;
+}
+
+/********************************************************************/
+int mpc512x_fec_init_phy (struct eth_device *dev, bd_t * bis)
+{
+ mpc512x_fec_priv *fec = (mpc512x_fec_priv *)dev->priv;
+ const uint8 phyAddr = CONFIG_PHY_ADDR; /* Only one PHY */
+ int timeout = 1;
+ uint16 phyStatus;
+
+#if (DEBUG & 0x1)
+ printf ("mpc512x_fec_init_phy... Begin\n");
+#endif
+
+ /*
+ * Clear FEC-Lite interrupt event register(IEVENT)
+ */
+ fec->eth->ievent = 0xffffffff;
+
+ /*
+ * Set interrupt mask register
+ */
+ fec->eth->imask = 0x00000000;
+
+ if (fec->xcv_type != SEVENWIRE) {
+ /*
+ * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
+ * and do not drop the Preamble.
+ */
+ fec->eth->mii_speed = (((gd->ipb_clk / 1000000) / 5) + 1) << 1;
+
+ /*
+ * Reset PHY, then delay 300ns
+ */
+ miiphy_write (dev->name, phyAddr, 0x0, 0x8000);
+ udelay (1000);
+
+ if (fec->xcv_type == MII10) {
+ /*
+ * Force 10Base-T, FDX operation
+ */
+#if (DEBUG & 0x2)
+ printf ("Forcing 10 Mbps ethernet link... ");
+#endif
+ miiphy_read (dev->name, phyAddr, 0x1, &phyStatus);
+
+ miiphy_write (dev->name, phyAddr, 0x0, 0x0180);
+
+ timeout = 20;
+ do { /* wait for link status to go down */
+ udelay (10000);
+ if ((timeout--) == 0) {
+#if (DEBUG & 0x2)
+ printf ("hmmm, should not have waited...");
+#endif
+ break;
+ }
+ miiphy_read (dev->name, phyAddr, 0x1, &phyStatus);
+#if (DEBUG & 0x2)
+ printf ("=");
+#endif
+ } while ((phyStatus & 0x0004)); /* !link up */
+
+ timeout = 1000;
+ do { /* wait for link status to come back up */
+ udelay (10000);
+ if ((timeout--) == 0) {
+ printf ("failed. Link is down.\n");
+ break;
+ }
+ miiphy_read (dev->name, phyAddr, 0x1, &phyStatus);
+#if (DEBUG & 0x2)
+ printf ("+");
+#endif
+ } while (!(phyStatus & 0x0004)); /* !link up */
+
+#if (DEBUG & 0x2)
+ printf ("done.\n");
+#endif
+ } else { /* MII100 */
+ /*
+ * Set the auto-negotiation advertisement register bits
+ */
+ miiphy_write (dev->name, phyAddr, 0x4, 0x01e1);
+
+ /*
+ * Set MDIO bit 0.12 = 1(&& bit 0.9=1?) to enable auto-negotiation
+ */
+ miiphy_write (dev->name, phyAddr, 0x0, 0x1200);
+
+ /*
+ * Wait for AN completion
+ */
+ timeout = 50000;
+ do {
+ udelay (1000);
+
+ if ((timeout--) == 0) {
+#if (DEBUG & 0x2)
+ printf ("PHY auto neg 0 failed...\n");
+#endif
+ return -1;
+ }
+
+ if (miiphy_read (dev->name, phyAddr, 0x1, &phyStatus) != 0) {
+#if (DEBUG & 0x2)
+ printf ("PHY auto neg 1 failed 0x%04x...\n", phyStatus);
+#endif
+ return -1;
+ }
+ } while (!(phyStatus & 0x0004));
+
+#if (DEBUG & 0x2)
+ printf ("PHY auto neg complete! \n");
+#endif
+ }
+ }
+
+#if (DEBUG & 0x2)
+ if (fec->xcv_type != SEVENWIRE)
+ mpc512x_fec_phydump (dev->name);
+#endif
+
+#if (DEBUG & 0x1)
+ printf ("mpc512x_fec_init_phy... Done \n");
+#endif
+ return 1;
+}
+
+/********************************************************************/
+static void mpc512x_fec_halt (struct eth_device *dev)
+{
+ mpc512x_fec_priv *fec = (mpc512x_fec_priv *)dev->priv;
+ int counter = 0xffff;
+
+#if (DEBUG & 0x2)
+ if (fec->xcv_type != SEVENWIRE)
+ mpc512x_fec_phydump (dev->name);
+#endif
+
+ /*
+ * mask FEC chip interrupts
+ */
+ fec->eth->imask = 0;
+
+ /*
+ * issue graceful stop command to the FEC transmitter if necessary
+ */
+ fec->eth->x_cntrl |= 0x00000001;
+
+ /*
+ * wait for graceful stop to register
+ */
+ while ((counter--) && (!(fec->eth->ievent & 0x10000000))) ;
+
+ /*
+ * Disable the Ethernet Controller
+ */
+ fec->eth->ecntrl &= 0xfffffffd;
+
+ /*
+ * Issue a reset command to the FEC chip
+ */
+ fec->eth->ecntrl |= 0x1;
+
+ /*
+ * wait at least 16 clock cycles
+ */
+ udelay (10);
+#if (DEBUG & 0x3)
+ printf ("Ethernet task stopped\n");
+#endif
+}
+
+/********************************************************************/
+
+static int mpc512x_fec_send (struct eth_device *dev, volatile void *eth_data,
+ int data_length)
+{
+ /*
+ * This routine transmits one frame. This routine only accepts
+ * 6-byte Ethernet addresses.
+ */
+ mpc512x_fec_priv *fec = (mpc512x_fec_priv *)dev->priv;
+ volatile FEC_TBD *pTbd;
+
+#if (DEBUG & 0x20)
+ printf("tbd status: 0x%04x\n", fec->tbdBase[fec->tbdIndex].status);
+#endif
+
+ /*
+ * Clear Tx BD ring at first
+ */
+ mpc512x_fec_tbd_scrub (fec);
+
+ /*
+ * Check for valid length of data.
+ */
+ if ((data_length > 1500) || (data_length <= 0)) {
+ return -1;
+ }
+
+ /*
+ * Check the number of vacant TxBDs.
+ */
+ if (fec->cleanTbdNum < 1) {
+#if (DEBUG & 0x20)
+ printf ("No available TxBDs ...\n");
+#endif
+ return -1;
+ }
+
+ /*
+ * Get the first TxBD to send the mac header
+ */
+ pTbd = &fec->bdBase->tbd[fec->tbdIndex];
+ pTbd->dataLength = data_length;
+ pTbd->dataPointer = (uint32)eth_data;
+ pTbd->status |= FEC_TBD_LAST | FEC_TBD_TC | FEC_TBD_READY;
+ fec->tbdIndex = (fec->tbdIndex + 1) % FEC_TBD_NUM;
+
+ /* Activate transmit Buffer Descriptor polling */
+ fec->eth->x_des_active = 0x01000000; /* Descriptor polling active */
+
+#if (DEBUG & 0x8)
+ printf ( "+" );
+#endif
+
+ fec->cleanTbdNum -= 1;
+
+ /*
+ * wait until frame is sent .
+ */
+ while (pTbd->status & FEC_TBD_READY) {
+ udelay (10);
+#if (DEBUG & 0x8)
+ printf ("TDB status = %04x\n", pTbd->status);
+#endif
+ }
+
+ return 0;
+}
+
+
+/********************************************************************/
+static int mpc512x_fec_recv (struct eth_device *dev)
+{
+ /*
+ * This command pulls one frame from the card
+ */
+ mpc512x_fec_priv *fec = (mpc512x_fec_priv *)dev->priv;
+ volatile FEC_RBD *pRbd = &fec->bdBase->rbd[fec->rbdIndex];
+ unsigned long ievent;
+ int frame_length, len = 0;
+ uchar buff[FEC_MAX_PKT_SIZE];
+
+#if (DEBUG & 0x1)
+ printf ("mpc512x_fec_recv %d Start...\n", fec->rbdIndex);
+#endif
+#if (DEBUG & 0x8)
+ printf( "-" );
+#endif
+
+ /*
+ * Check if any critical events have happened
+ */
+ ievent = fec->eth->ievent;
+ fec->eth->ievent = ievent;
+ if (ievent & 0x20060000) {
+ /* BABT, Rx/Tx FIFO errors */
+ mpc512x_fec_halt (dev);
+ mpc512x_fec_init (dev, NULL);
+ return 0;
+ }
+ if (ievent & 0x80000000) {
+ /* Heartbeat error */
+ fec->eth->x_cntrl |= 0x00000001;
+ }
+ if (ievent & 0x10000000) {
+ /* Graceful stop complete */
+ if (fec->eth->x_cntrl & 0x00000001) {
+ mpc512x_fec_halt (dev);
+ fec->eth->x_cntrl &= ~0x00000001;
+ mpc512x_fec_init (dev, NULL);
+ }
+ }
+
+ if (!(pRbd->status & FEC_RBD_EMPTY)) {
+ if ((pRbd->status & FEC_RBD_LAST) &&
+ !(pRbd->status & FEC_RBD_ERR) &&
+ ((pRbd->dataLength - 4) > 14)) {
+
+ /*
+ * Get buffer size
+ */
+ frame_length = pRbd->dataLength - 4;
+
+#if (DEBUG & 0x20)
+ {
+ int i;
+ printf ("recv data hdr:");
+ for (i = 0; i < 14; i++)
+ printf ("%x ", *((uint8*)pRbd->dataPointer + i));
+ printf("\n");
+ }
+#endif
+
+ /*
+ * Fill the buffer and pass it to upper layers
+ */
+ memcpy (buff, (void*)pRbd->dataPointer, frame_length);
+ NetReceive ((uchar*)buff, frame_length);
+ len = frame_length;
+ }
+
+ /*
+ * Reset buffer descriptor as empty
+ */
+ mpc512x_fec_rbd_clean (fec, pRbd);
+ }
+
+ /* Try to fill Buffer Descriptors */
+ fec->eth->r_des_active = 0x01000000; /* Descriptor polling active */
+ return len;
+}
+
+/********************************************************************/
+int mpc512x_fec_initialize (bd_t * bis)
+{
+
+ immap_t *im = (immap_t*) CFG_IMMR;
+ mpc512x_fec_priv *fec;
+ struct eth_device *dev;
+ int i;
+ char *tmp, *end, env_enetaddr[6];
+ uint32 *reg;
+ void * bd;
+
+ fec = (mpc512x_fec_priv *) malloc (sizeof(*fec));
+ dev = (struct eth_device *) malloc (sizeof(*dev));
+ memset (dev, 0, sizeof *dev);
+
+ fec->eth = (ethernet_regs *) MPC512X_FEC;
+
+# ifndef CONFIG_FEC_10MBIT
+ fec->xcv_type = MII100;
+# else
+ fec->xcv_type = MII10;
+# endif
+ dev->priv = (void *)fec;
+ dev->iobase = MPC512X_FEC;
+ dev->init = mpc512x_fec_init;
+ dev->halt = mpc512x_fec_halt;
+ dev->send = mpc512x_fec_send;
+ dev->recv = mpc512x_fec_recv;
+
+ sprintf (dev->name, "FEC ETHERNET");
+ eth_register (dev);
+
+#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
+ miiphy_register (dev->name,
+ fec512x_miiphy_read, fec512x_miiphy_write);
+#endif
+
+ /*
+ * Initialize I\O pins
+ */
+ reg = (uint32 *) &(im->io_ctrl.regs[PSC0_0_IDX]);
+
+ for (i = 0; i < 15; i++)
+ reg[i] = IOCTRL_MUX_FEC | 0x00000001;
+
+ im->io_ctrl.regs[SPDIF_TXCLOCK_IDX] = IOCTRL_MUX_FEC | 0x00000001;
+ im->io_ctrl.regs[SPDIF_TX_IDX] = IOCTRL_MUX_FEC | 0x00000001;
+ im->io_ctrl.regs[SPDIF_RX_IDX] = IOCTRL_MUX_FEC | 0x00000001;
+
+ /* Clean up space FEC's MIB and FIFO RAM ...*/
+ memset ((void *) MPC512X_FEC + 0x200, 0x00, 0x400);
+
+ /*
+ * Malloc space for BDs (must be quad word-aligned)
+ * this pointer is lost, so cannot be freed
+ */
+ bd = malloc (sizeof(mpc512x_buff_descs) + 0x1f);
+ fec->bdBase = (mpc512x_buff_descs*)((uint32)bd & 0xfffffff0);
+ memset ((void *) bd, 0x00, sizeof(mpc512x_buff_descs) + 0x1f);
+
+ /*
+ * Set interrupt mask register
+ */
+ fec->eth->imask = 0x00000000;
+
+ /*
+ * Clear FEC-Lite interrupt event register(IEVENT)
+ */
+ fec->eth->ievent = 0xffffffff;
+
+ /*
+ * Try to set the mac address now. The fec mac address is
+ * a garbage after reset. When not using fec for booting
+ * the Linux fec driver will try to work with this garbage.
+ */
+ tmp = getenv ("ethaddr");
+ if (tmp) {
+ for (i=0; i<6; i++) {
+ env_enetaddr[i] = tmp ? simple_strtoul (tmp, &end, 16) : 0;
+ if (tmp)
+ tmp = (*end) ? end+1 : end;
+ }
+ mpc512x_fec_set_hwaddr (fec, env_enetaddr);
+ fec->eth->gaddr1 = 0x00000000;
+ fec->eth->gaddr2 = 0x00000000;
+ }
+
+ mpc512x_fec_init_phy (dev, bis);
+
+ return 1;
+}
+
+/* MII-interface related functions */
+/********************************************************************/
+int fec512x_miiphy_read (char *devname, uint8 phyAddr, uint8 regAddr, uint16 * retVal)
+{
+ ethernet_regs *eth = (ethernet_regs *) MPC512X_FEC;
+ uint32 reg; /* convenient holder for the PHY register */
+ uint32 phy; /* convenient holder for the PHY */
+ int timeout = 0xffff;
+
+ /*
+ * reading from any PHY's register is done by properly
+ * programming the FEC's MII data register.
+ */
+ reg = regAddr << FEC_MII_DATA_RA_SHIFT;
+ phy = phyAddr << FEC_MII_DATA_PA_SHIFT;
+
+ eth->mii_data = (FEC_MII_DATA_ST | FEC_MII_DATA_OP_RD | FEC_MII_DATA_TA | phy | reg);
+
+ /*
+ * wait for the related interrupt
+ */
+ while ((timeout--) && (!(eth->ievent & 0x00800000))) ;
+
+ if (timeout == 0) {
+#if (DEBUG & 0x2)
+ printf ("Read MDIO failed...\n");
+#endif
+ return -1;
+ }
+
+ /*
+ * clear mii interrupt bit
+ */
+ eth->ievent = 0x00800000;
+
+ /*
+ * it's now safe to read the PHY's register
+ */
+ *retVal = (uint16) eth->mii_data;
+
+ return 0;
+}
+
+/********************************************************************/
+int fec512x_miiphy_write (char *devname, uint8 phyAddr, uint8 regAddr, uint16 data)
+{
+ ethernet_regs *eth = (ethernet_regs *) MPC512X_FEC;
+ uint32 reg; /* convenient holder for the PHY register */
+ uint32 phy; /* convenient holder for the PHY */
+ int timeout = 0xffff;
+
+ reg = regAddr << FEC_MII_DATA_RA_SHIFT;
+ phy = phyAddr << FEC_MII_DATA_PA_SHIFT;
+
+ eth->mii_data = (FEC_MII_DATA_ST | FEC_MII_DATA_OP_WR |
+ FEC_MII_DATA_TA | phy | reg | data);
+
+ /*
+ * wait for the MII interrupt
+ */
+ while ((timeout--) && (!(eth->ievent & 0x00800000))) ;
+
+ if (timeout == 0) {
+#if (DEBUG & 0x2)
+ printf ("Write MDIO failed...\n");
+#endif
+ return -1;
+ }
+
+ /*
+ * clear MII interrupt bit
+ */
+ eth->ievent = 0x00800000;
+
+ return 0;
+}
+
+#if (DEBUG & 0x40)
+static uint32 local_crc32 (char *string, unsigned int crc_value, int len)
+{
+ int i;
+ char c;
+ unsigned int crc, count;
+
+ /*
+ * crc32 algorithm
+ */
+ /*
+ * crc = 0xffffffff; * The initialized value should be 0xffffffff
+ */
+ crc = crc_value;
+
+ for (i = len; --i >= 0;) {
+ c = *string++;
+ for (count = 0; count < 8; count++) {
+ if ((c & 0x01) ^ (crc & 0x01)) {
+ crc >>= 1;
+ crc = crc ^ 0xedb88320;
+ } else {
+ crc >>= 1;
+ }
+ c >>= 1;
+ }
+ }
+
+ /*
+ * In big endian system, do byte swaping for crc value
+ */
+ /**/ return crc;
+}
+#endif /* DEBUG */
+
+#endif /* CONFIG_MPC512x_FEC */
diff --git a/cpu/mpc512x/fec.h b/cpu/mpc512x/fec.h
new file mode 100644
index 000000000..71459197a
--- /dev/null
+++ b/cpu/mpc512x/fec.h
@@ -0,0 +1,224 @@
+/*
+ * (C) Copyright 2003 - 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Derived from the MPC8xx driver's header file.
+ */
+
+#ifndef __MPC512X_FEC_H
+#define __MPC512X_FEC_H
+
+#include <common.h>
+#include <mpc512x.h>
+
+typedef unsigned long uint32;
+typedef unsigned short uint16;
+typedef unsigned char uint8;
+
+typedef struct ethernet_register_set {
+
+/* [10:2]addr = 00 */
+
+/* Control and status Registers (offset 000-1FF) */
+
+ volatile uint32 fec_id; /* MBAR_ETH + 0x000 */
+ volatile uint32 ievent; /* MBAR_ETH + 0x004 */
+ volatile uint32 imask; /* MBAR_ETH + 0x008 */
+
+ volatile uint32 RES0[1]; /* MBAR_ETH + 0x00C */
+ volatile uint32 r_des_active; /* MBAR_ETH + 0x010 */
+ volatile uint32 x_des_active; /* MBAR_ETH + 0x014 */
+
+ volatile uint32 RES1[3]; /* MBAR_ETH + 0x018-020 */
+ volatile uint32 ecntrl; /* MBAR_ETH + 0x024 */
+
+ volatile uint32 RES2[6]; /* MBAR_ETH + 0x028-03C */
+ volatile uint32 mii_data; /* MBAR_ETH + 0x040 */
+ volatile uint32 mii_speed; /* MBAR_ETH + 0x044 */
+
+ volatile uint32 RES3[7]; /* MBAR_ETH + 0x048-060 */
+ volatile uint32 mib_control; /* MBAR_ETH + 0x064 */
+
+ volatile uint32 RES4[7]; /* MBAR_ETH + 0x068-80 */
+ volatile uint32 r_cntrl; /* MBAR_ETH + 0x084 */
+ volatile uint32 r_hash; /* MBAR_ETH + 0x088 */
+
+ volatile uint32 RES5[14]; /* MBAR_ETH + 0x08c-0C0 */
+ volatile uint32 x_cntrl; /* MBAR_ETH + 0x0C4 */
+
+ volatile uint32 RES6[7]; /* MBAR_ETH + 0x0C8-0E0 */
+ volatile uint32 paddr1; /* MBAR_ETH + 0x0E4 */
+ volatile uint32 paddr2; /* MBAR_ETH + 0x0E8 */
+ volatile uint32 op_pause; /* MBAR_ETH + 0x0EC */
+
+ volatile uint32 RES7[10]; /* MBAR_ETH + 0x0F0-114 */
+ volatile uint32 iaddr1; /* MBAR_ETH + 0x118 */
+ volatile uint32 iaddr2; /* MBAR_ETH + 0x11C */
+ volatile uint32 gaddr1; /* MBAR_ETH + 0x120 */
+ volatile uint32 gaddr2; /* MBAR_ETH + 0x124 */
+
+ volatile uint32 RES8[6]; /* MBAR_ETH + 0x128-13C */
+ volatile uint32 fifo_id; /* MBAR_ETH + 0x140 */
+ volatile uint32 x_wmrk; /* MBAR_ETH + 0x144 */
+ volatile uint32 RES9[1]; /* MBAR_ETH + 0x148 */
+ volatile uint32 r_bound; /* MBAR_ETH + 0x14C */
+ volatile uint32 r_fstart; /* MBAR_ETH + 0x150 */
+
+ volatile uint32 RES10[11]; /* MBAR_ETH + 0x154-17C */
+ volatile uint32 r_des_start; /* MBAR_ETH + 0x180 */
+ volatile uint32 x_des_start; /* MBAR_ETH + 0x184 */
+ volatile uint32 r_buff_size; /* MBAR_ETH + 0x188 */
+ volatile uint32 RES11[26]; /* MBAR_ETH + 0x18C-1F0 */
+ volatile uint32 dma_control; /* MBAR_ETH + 0x1F4 */
+ volatile uint32 RES12[2]; /* MBAR_ETH + 0x1F8-1FC */
+
+/* MIB COUNTERS (Offset 200-2FF) */
+
+ volatile uint32 rmon_t_drop; /* MBAR_ETH + 0x200 */
+ volatile uint32 rmon_t_packets; /* MBAR_ETH + 0x204 */
+ volatile uint32 rmon_t_bc_pkt; /* MBAR_ETH + 0x208 */
+ volatile uint32 rmon_t_mc_pkt; /* MBAR_ETH + 0x20C */
+ volatile uint32 rmon_t_crc_align; /* MBAR_ETH + 0x210 */
+ volatile uint32 rmon_t_undersize; /* MBAR_ETH + 0x214 */
+ volatile uint32 rmon_t_oversize; /* MBAR_ETH + 0x218 */
+ volatile uint32 rmon_t_frag; /* MBAR_ETH + 0x21C */
+ volatile uint32 rmon_t_jab; /* MBAR_ETH + 0x220 */
+ volatile uint32 rmon_t_col; /* MBAR_ETH + 0x224 */
+ volatile uint32 rmon_t_p64; /* MBAR_ETH + 0x228 */
+ volatile uint32 rmon_t_p65to127; /* MBAR_ETH + 0x22C */
+ volatile uint32 rmon_t_p128to255; /* MBAR_ETH + 0x230 */
+ volatile uint32 rmon_t_p256to511; /* MBAR_ETH + 0x234 */
+ volatile uint32 rmon_t_p512to1023; /* MBAR_ETH + 0x238 */
+ volatile uint32 rmon_t_p1024to2047; /* MBAR_ETH + 0x23C */
+ volatile uint32 rmon_t_p_gte2048; /* MBAR_ETH + 0x240 */
+ volatile uint32 rmon_t_octets; /* MBAR_ETH + 0x244 */
+ volatile uint32 ieee_t_drop; /* MBAR_ETH + 0x248 */
+ volatile uint32 ieee_t_frame_ok; /* MBAR_ETH + 0x24C */
+ volatile uint32 ieee_t_1col; /* MBAR_ETH + 0x250 */
+ volatile uint32 ieee_t_mcol; /* MBAR_ETH + 0x254 */
+ volatile uint32 ieee_t_def; /* MBAR_ETH + 0x258 */
+ volatile uint32 ieee_t_lcol; /* MBAR_ETH + 0x25C */
+ volatile uint32 ieee_t_excol; /* MBAR_ETH + 0x260 */
+ volatile uint32 ieee_t_macerr; /* MBAR_ETH + 0x264 */
+ volatile uint32 ieee_t_cserr; /* MBAR_ETH + 0x268 */
+ volatile uint32 ieee_t_sqe; /* MBAR_ETH + 0x26C */
+ volatile uint32 t_fdxfc; /* MBAR_ETH + 0x270 */
+ volatile uint32 ieee_t_octets_ok; /* MBAR_ETH + 0x274 */
+
+ volatile uint32 RES13[2]; /* MBAR_ETH + 0x278-27C */
+ volatile uint32 rmon_r_drop; /* MBAR_ETH + 0x280 */
+ volatile uint32 rmon_r_packets; /* MBAR_ETH + 0x284 */
+ volatile uint32 rmon_r_bc_pkt; /* MBAR_ETH + 0x288 */
+ volatile uint32 rmon_r_mc_pkt; /* MBAR_ETH + 0x28C */
+ volatile uint32 rmon_r_crc_align; /* MBAR_ETH + 0x290 */
+ volatile uint32 rmon_r_undersize; /* MBAR_ETH + 0x294 */
+ volatile uint32 rmon_r_oversize; /* MBAR_ETH + 0x298 */
+ volatile uint32 rmon_r_frag; /* MBAR_ETH + 0x29C */
+ volatile uint32 rmon_r_jab; /* MBAR_ETH + 0x2A0 */
+
+ volatile uint32 rmon_r_resvd_0; /* MBAR_ETH + 0x2A4 */
+
+ volatile uint32 rmon_r_p64; /* MBAR_ETH + 0x2A8 */
+ volatile uint32 rmon_r_p65to127; /* MBAR_ETH + 0x2AC */
+ volatile uint32 rmon_r_p128to255; /* MBAR_ETH + 0x2B0 */
+ volatile uint32 rmon_r_p256to511; /* MBAR_ETH + 0x2B4 */
+ volatile uint32 rmon_r_p512to1023; /* MBAR_ETH + 0x2B8 */
+ volatile uint32 rmon_r_p1024to2047; /* MBAR_ETH + 0x2BC */
+ volatile uint32 rmon_r_p_gte2048; /* MBAR_ETH + 0x2C0 */
+ volatile uint32 rmon_r_octets; /* MBAR_ETH + 0x2C4 */
+ volatile uint32 ieee_r_drop; /* MBAR_ETH + 0x2C8 */
+ volatile uint32 ieee_r_frame_ok; /* MBAR_ETH + 0x2CC */
+ volatile uint32 ieee_r_crc; /* MBAR_ETH + 0x2D0 */
+ volatile uint32 ieee_r_align; /* MBAR_ETH + 0x2D4 */
+ volatile uint32 r_macerr; /* MBAR_ETH + 0x2D8 */
+ volatile uint32 r_fdxfc; /* MBAR_ETH + 0x2DC */
+ volatile uint32 ieee_r_octets_ok; /* MBAR_ETH + 0x2E0 */
+
+ volatile uint32 RES14[6]; /* MBAR_ETH + 0x2E4-2FC */
+
+ volatile uint32 RES15[64]; /* MBAR_ETH + 0x300-3FF */
+} ethernet_regs;
+
+/* Receive & Transmit Buffer Descriptor definitions */
+typedef struct BufferDescriptor {
+ uint16 status;
+ uint16 dataLength;
+ uint32 dataPointer;
+} FEC_RBD;
+
+typedef struct {
+ uint16 status;
+ uint16 dataLength;
+ uint32 dataPointer;
+} FEC_TBD;
+
+/* private structure */
+typedef enum {
+ SEVENWIRE, /* 7-wire */
+ MII10, /* MII 10Mbps */
+ MII100 /* MII 100Mbps */
+} xceiver_type;
+
+/* BD Numer definitions */
+#define FEC_TBD_NUM 48 /* The user can adjust this value */
+#define FEC_RBD_NUM 32 /* The user can adjust this value */
+
+/* packet size limit */
+#define FEC_MAX_PKT_SIZE 1536
+
+typedef struct {
+ uint8 frame[FEC_MAX_PKT_SIZE];
+} mpc512x_frame;
+
+typedef struct {
+ FEC_RBD rbd[FEC_RBD_NUM]; /* RBD ring */
+ FEC_TBD tbd[FEC_TBD_NUM]; /* TBD ring */
+ mpc512x_frame recv_frames[FEC_RBD_NUM]; /* receive buff */
+} mpc512x_buff_descs;
+
+typedef struct {
+ ethernet_regs *eth;
+ xceiver_type xcv_type; /* transceiver type */
+ mpc512x_buff_descs *bdBase; /* BD rings and recv buffer */
+ uint16 rbdIndex; /* next receive BD to read */
+ uint16 tbdIndex; /* next transmit BD to send */
+ uint16 usedTbdIndex; /* next transmit BD to clean */
+ uint16 cleanTbdNum; /* the number of available transmit BDs */
+} mpc512x_fec_priv;
+
+/* RBD bits definitions */
+#define FEC_RBD_EMPTY 0x8000 /* Buffer is empty */
+#define FEC_RBD_WRAP 0x2000 /* Last BD in ring */
+#define FEC_RBD_LAST 0x0800 /* Buffer is last in frame(useless) */
+#define FEC_RBD_MISS 0x0100 /* Miss bit for prom mode */
+#define FEC_RBD_BC 0x0080 /* The received frame is broadcast frame */
+#define FEC_RBD_MC 0x0040 /* The received frame is multicast frame */
+#define FEC_RBD_LG 0x0020 /* Frame length violation */
+#define FEC_RBD_NO 0x0010 /* Nonoctet align frame */
+#define FEC_RBD_SH 0x0008 /* Short frame */
+#define FEC_RBD_CR 0x0004 /* CRC error */
+#define FEC_RBD_OV 0x0002 /* Receive FIFO overrun */
+#define FEC_RBD_TR 0x0001 /* Frame is truncated */
+#define FEC_RBD_ERR (FEC_RBD_LG | FEC_RBD_NO | FEC_RBD_CR | \
+ FEC_RBD_OV | FEC_RBD_TR)
+
+/* TBD bits definitions */
+#define FEC_TBD_READY 0x8000 /* Buffer is ready */
+#define FEC_TBD_WRAP 0x2000 /* Last BD in ring */
+#define FEC_TBD_LAST 0x0800 /* Buffer is last in frame */
+#define FEC_TBD_TC 0x0400 /* Transmit the CRC */
+#define FEC_TBD_ABC 0x0200 /* Append bad CRC */
+
+/* MII-related definitios */
+#define FEC_MII_DATA_ST 0x40000000 /* Start of frame delimiter */
+#define FEC_MII_DATA_OP_RD 0x20000000 /* Perform a read operation */
+#define FEC_MII_DATA_OP_WR 0x10000000 /* Perform a write operation */
+#define FEC_MII_DATA_PA_MSK 0x0f800000 /* PHY Address field mask */
+#define FEC_MII_DATA_RA_MSK 0x007c0000 /* PHY Register field mask */
+#define FEC_MII_DATA_TA 0x00020000 /* Turnaround */
+#define FEC_MII_DATA_DATAMSK 0x0000ffff /* PHY data field */
+
+#define FEC_MII_DATA_RA_SHIFT 18 /* MII Register address bits */
+#define FEC_MII_DATA_PA_SHIFT 23 /* MII PHY address bits */
+
+#endif /* __MPC512X_FEC_H */
diff --git a/cpu/mpc512x/i2c.c b/cpu/mpc512x/i2c.c
new file mode 100644
index 000000000..00e28d640
--- /dev/null
+++ b/cpu/mpc512x/i2c.c
@@ -0,0 +1,431 @@
+/*
+ * (C) Copyright 2003 - 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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
+ *
+ * Based on the MPC5xxx code.
+ */
+
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_HARD_I2C
+
+#include <mpc512x.h>
+#include <i2c.h>
+
+#define immr ((immap_t *)CFG_IMMR)
+
+/* by default set I2C bus 0 active */
+static unsigned int bus_num = 0;
+
+#define I2C_TIMEOUT 100
+#define I2C_RETRIES 3
+
+struct mpc512x_i2c_tap {
+ int scl2tap;
+ int tap2tap;
+};
+
+static int mpc_reg_in(volatile u32 *reg);
+static void mpc_reg_out(volatile u32 *reg, int val, int mask);
+static int wait_for_bb(void);
+static int wait_for_pin(int *status);
+static int do_address(uchar chip, char rdwr_flag);
+static int send_bytes(uchar chip, char *buf, int len);
+static int receive_bytes(uchar chip, char *buf, int len);
+static int mpc_get_fdr(int);
+
+static int mpc_reg_in (volatile u32 *reg)
+{
+ int ret = *reg >> 24;
+ __asm__ __volatile__ ("eieio");
+ return ret;
+}
+
+static void mpc_reg_out (volatile u32 *reg, int val, int mask)
+{
+ int tmp;
+
+ if (!mask) {
+ *reg = val << 24;
+ } else {
+ tmp = mpc_reg_in (reg);
+ *reg = ((tmp & ~mask) | (val & mask)) << 24;
+ }
+ __asm__ __volatile__ ("eieio");
+
+ return;
+}
+
+static int wait_for_bb (void)
+{
+ i2c512x_dev_t *regs = &immr->i2c.dev[bus_num];
+ int timeout = I2C_TIMEOUT;
+ int status;
+
+ status = mpc_reg_in (&regs->msr);
+
+ while (timeout-- && (status & I2C_BB)) {
+ volatile int temp;
+ mpc_reg_out (&regs->mcr, I2C_STA, I2C_STA);
+ temp = mpc_reg_in (&regs->mdr);
+ mpc_reg_out (&regs->mcr, 0, I2C_STA);
+ mpc_reg_out (&regs->mcr, 0, 0);
+ mpc_reg_out (&regs->mcr, I2C_EN, 0);
+
+ udelay (1000);
+ status = mpc_reg_in (&regs->msr);
+ }
+
+ return (status & I2C_BB);
+}
+
+static int wait_for_pin (int *status)
+{
+ i2c512x_dev_t *regs = &immr->i2c.dev[bus_num];
+ int timeout = I2C_TIMEOUT;
+
+ *status = mpc_reg_in (&regs->msr);
+
+ while (timeout-- && !(*status & I2C_IF)) {
+ udelay (1000);
+ *status = mpc_reg_in (&regs->msr);
+ }
+
+ if (!(*status & I2C_IF)) {
+ return -1;
+ }
+
+ mpc_reg_out (&regs->msr, 0, I2C_IF);
+
+ return 0;
+}
+
+static int do_address (uchar chip, char rdwr_flag)
+{
+ i2c512x_dev_t *regs = &immr->i2c.dev[bus_num];
+ int status;
+
+ chip <<= 1;
+
+ if (rdwr_flag) {
+ chip |= 1;
+ }
+
+ mpc_reg_out (&regs->mcr, I2C_TX, I2C_TX);
+ mpc_reg_out (&regs->mdr, chip, 0);
+
+ if (wait_for_pin (&status)) {
+ return -2;
+ }
+
+ if (status & I2C_RXAK) {
+ return -3;
+ }
+
+ return 0;
+}
+
+static int send_bytes (uchar chip, char *buf, int len)
+{
+ i2c512x_dev_t *regs = &immr->i2c.dev[bus_num];
+ int wrcount;
+ int status;
+
+ for (wrcount = 0; wrcount < len; ++wrcount) {
+
+ mpc_reg_out (&regs->mdr, buf[wrcount], 0);
+
+ if (wait_for_pin (&status)) {
+ break;
+ }
+
+ if (status & I2C_RXAK) {
+ break;
+ }
+
+ }
+
+ return !(wrcount == len);
+}
+
+static int receive_bytes (uchar chip, char *buf, int len)
+{
+ i2c512x_dev_t *regs = &immr->i2c.dev[bus_num];
+ int dummy = 1;
+ int rdcount = 0;
+ int status;
+ int i;
+
+ mpc_reg_out (&regs->mcr, 0, I2C_TX);
+
+ for (i = 0; i < len; ++i) {
+ buf[rdcount] = mpc_reg_in (&regs->mdr);
+
+ if (dummy) {
+ dummy = 0;
+ } else {
+ rdcount++;
+ }
+
+ if (wait_for_pin (&status)) {
+ return -4;
+ }
+ }
+
+ mpc_reg_out (&regs->mcr, I2C_TXAK, I2C_TXAK);
+ buf[rdcount++] = mpc_reg_in (&regs->mdr);
+
+ if (wait_for_pin (&status)) {
+ return -5;
+ }
+
+ mpc_reg_out (&regs->mcr, 0, I2C_TXAK);
+
+ return 0;
+}
+
+/**************** I2C API ****************/
+
+void i2c_init (int speed, int saddr)
+{
+ int i;
+ for(i = 0; i < I2C_BUS_CNT; i++){
+ i2c512x_dev_t *regs = &immr->i2c.dev[i];
+ mpc_reg_out (&regs->mcr, 0, 0);
+
+ /* Set clock */
+ mpc_reg_out (&regs->mfdr, mpc_get_fdr (speed), 0);
+ mpc_reg_out (&regs->madr, saddr << 1, 0);
+
+ /* Enable module */
+ mpc_reg_out (&regs->mcr, I2C_EN, I2C_INIT_MASK);
+ mpc_reg_out (&regs->msr, 0, I2C_IF);
+ }
+
+ /* Disable interrupts */
+ immr->i2c.icr = 0;
+ /* Turn off filters */
+ immr->i2c.mifr = 0;
+ return;
+}
+
+static int mpc_get_fdr (int speed)
+{
+ static int fdr = -1;
+
+ if (fdr == -1) {
+ ulong best_speed = 0;
+ ulong divider;
+ ulong ipb, scl;
+ ulong bestmatch = 0xffffffffUL;
+ int best_i = 0, best_j = 0, i, j;
+ int SCL_Tap[] = { 9, 10, 12, 15, 5, 6, 7, 8};
+ struct mpc512x_i2c_tap scltap[] = {
+ {4, 1},
+ {4, 2},
+ {6, 4},
+ {6, 8},
+ {14, 16},
+ {30, 32},
+ {62, 64},
+ {126, 128}
+ };
+
+ ipb = gd->ipb_clk;
+ for (i = 7; i >= 0; i--) {
+ for (j = 7; j >= 0; j--) {
+ scl = 2 * (scltap[j].scl2tap +
+ (SCL_Tap[i] - 1) * scltap[j].tap2tap
+ + 2);
+ if (ipb <= speed*scl) {
+ if ((speed*scl - ipb) < bestmatch) {
+ bestmatch = speed*scl - ipb;
+ best_i = i;
+ best_j = j;
+ best_speed = ipb/scl;
+ }
+ }
+ }
+ }
+ divider = (best_i & 3) | ((best_i & 4) << 3) | (best_j << 2);
+ if (gd->flags & GD_FLG_RELOC) {
+ fdr = divider;
+ } else {
+ debug("%ld kHz, \n", best_speed / 1000);
+ return divider;
+ }
+ }
+
+ return fdr;
+}
+
+int i2c_probe (uchar chip)
+{
+ i2c512x_dev_t *regs = &immr->i2c.dev[bus_num];
+ int i;
+
+ for (i = 0; i < I2C_RETRIES; i++) {
+ mpc_reg_out (&regs->mcr, I2C_STA, I2C_STA);
+
+ if (! do_address (chip, 0)) {
+ mpc_reg_out (&regs->mcr, 0, I2C_STA);
+ udelay (500);
+ break;
+ }
+
+ mpc_reg_out (&regs->mcr, 0, I2C_STA);
+ udelay (500);
+ }
+
+ return (i == I2C_RETRIES);
+}
+
+int i2c_read (uchar chip, uint addr, int alen, uchar *buf, int len)
+{
+ char xaddr[4];
+ i2c512x_dev_t *regs = &immr->i2c.dev[bus_num];
+ int ret = -1;
+
+ xaddr[0] = (addr >> 24) & 0xFF;
+ xaddr[1] = (addr >> 16) & 0xFF;
+ xaddr[2] = (addr >> 8) & 0xFF;
+ xaddr[3] = addr & 0xFF;
+
+ if (wait_for_bb ()) {
+ printf ("i2c_read: bus is busy\n");
+ goto Done;
+ }
+
+ mpc_reg_out (&regs->mcr, I2C_STA, I2C_STA);
+ if (do_address (chip, 0)) {
+ printf ("i2c_read: failed to address chip\n");
+ goto Done;
+ }
+
+ if (send_bytes (chip, &xaddr[4-alen], alen)) {
+ printf ("i2c_read: send_bytes failed\n");
+ goto Done;
+ }
+
+ mpc_reg_out (&regs->mcr, I2C_RSTA, I2C_RSTA);
+ if (do_address (chip, 1)) {
+ printf ("i2c_read: failed to address chip\n");
+ goto Done;
+ }
+
+ if (receive_bytes (chip, (char *)buf, len)) {
+ printf ("i2c_read: receive_bytes failed\n");
+ goto Done;
+ }
+
+ ret = 0;
+Done:
+ mpc_reg_out (&regs->mcr, 0, I2C_STA);
+ return ret;
+}
+
+int i2c_write (uchar chip, uint addr, int alen, uchar *buf, int len)
+{
+ char xaddr[4];
+ i2c512x_dev_t *regs = &immr->i2c.dev[bus_num];
+ int ret = -1;
+
+ xaddr[0] = (addr >> 24) & 0xFF;
+ xaddr[1] = (addr >> 16) & 0xFF;
+ xaddr[2] = (addr >> 8) & 0xFF;
+ xaddr[3] = addr & 0xFF;
+
+ if (wait_for_bb ()) {
+ printf ("i2c_write: bus is busy\n");
+ goto Done;
+ }
+
+ mpc_reg_out (&regs->mcr, I2C_STA, I2C_STA);
+ if (do_address (chip, 0)) {
+ printf ("i2c_write: failed to address chip\n");
+ goto Done;
+ }
+
+ if (send_bytes (chip, &xaddr[4-alen], alen)) {
+ printf ("i2c_write: send_bytes failed\n");
+ goto Done;
+ }
+
+ if (send_bytes (chip, (char *)buf, len)) {
+ printf ("i2c_write: send_bytes failed\n");
+ goto Done;
+ }
+
+ ret = 0;
+Done:
+ mpc_reg_out (&regs->mcr, 0, I2C_STA);
+ return ret;
+}
+
+uchar i2c_reg_read (uchar chip, uchar reg)
+{
+ uchar buf;
+
+ i2c_read (chip, reg, 1, &buf, 1);
+
+ return buf;
+}
+
+void i2c_reg_write (uchar chip, uchar reg, uchar val)
+{
+ i2c_write (chip, reg, 1, &val, 1);
+
+ return;
+}
+
+
+int i2c_set_bus_num (unsigned int bus)
+{
+ if (bus >= I2C_BUS_CNT) {
+ return -1;
+ }
+ bus_num = bus;
+
+ return 0;
+}
+
+unsigned int i2c_get_bus_num (void)
+{
+ return bus_num;
+}
+
+/* TODO */
+unsigned int i2c_get_bus_speed (void)
+{
+ return -1;
+}
+
+int i2c_set_bus_speed (unsigned int speed)
+{
+ if (speed != CFG_I2C_SPEED)
+ return -1;
+
+ return 0;
+}
+
+#endif /* CONFIG_HARD_I2C */
diff --git a/cpu/mpc512x/interrupts.c b/cpu/mpc512x/interrupts.c
new file mode 100644
index 000000000..8cc241c89
--- /dev/null
+++ b/cpu/mpc512x/interrupts.c
@@ -0,0 +1,61 @@
+/*
+ * (C) Copyright 2000-2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright 2004 Freescale Semiconductor, Inc.
+ *
+ * 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
+ *
+ * Derived from the MPC83xx code.
+ */
+
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct irq_action {
+ interrupt_handler_t *handler;
+ void *arg;
+ ulong count;
+};
+
+int interrupt_init_cpu (unsigned *decrementer_count)
+{
+ *decrementer_count = get_tbclk () / CFG_HZ;
+
+ return 0;
+}
+
+/*
+ * Install and free an interrupt handler.
+ */
+void
+irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
+{
+}
+
+void irq_free_handler (int irq)
+{
+}
+
+void timer_interrupt_cpu (struct pt_regs *regs)
+{
+ /* nothing to do here */
+ return;
+}
diff --git a/cpu/mpc512x/serial.c b/cpu/mpc512x/serial.c
new file mode 100644
index 000000000..200ff2c49
--- /dev/null
+++ b/cpu/mpc512x/serial.c
@@ -0,0 +1,197 @@
+/*
+ * (C) Copyright 2000 - 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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
+ *
+ * Based ont the MPC5200 PSC driver.
+ * Adapted for MPC512x by Jan Wrobel <wrr@semihalf.com>
+ */
+
+/*
+ * Minimal serial functions needed to use one of the PSC ports
+ * as serial console interface.
+ */
+
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_PSC_CONSOLE)
+
+static void fifo_init (volatile psc512x_t *psc)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+
+ /* reset Rx & Tx fifo slice */
+ psc->rfcmd = PSC_FIFO_RESET_SLICE;
+ psc->tfcmd = PSC_FIFO_RESET_SLICE;
+
+ /* disable Tx & Rx FIFO interrupts */
+ psc->rfintmask = 0;
+ psc->tfintmask = 0;
+
+ psc->tfsize = CONSOLE_FIFO_TX_SIZE | (CONSOLE_FIFO_TX_ADDR << 16);
+ psc->rfsize = CONSOLE_FIFO_RX_SIZE | (CONSOLE_FIFO_RX_ADDR << 16);
+
+ /* enable Tx & Rx FIFO slice */
+ psc->rfcmd = PSC_FIFO_ENABLE_SLICE;
+ psc->tfcmd = PSC_FIFO_ENABLE_SLICE;
+
+ im->fifoc.fifoc_cmd = FIFOC_DISABLE_CLOCK_GATE;
+ __asm__ volatile ("sync");
+}
+
+int serial_init(void)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ unsigned long baseclk;
+ int div;
+
+ fifo_init (psc);
+
+ /* set MR register to point to MR1 */
+ psc->command = PSC_SEL_MODE_REG_1;
+
+ /* disable Tx/Rx */
+ psc->command = PSC_TX_DISABLE | PSC_RX_DISABLE;
+
+ /* choose the prescaler by 16 for the Tx/Rx clock generation */
+ psc->psc_clock_select = 0xdd00;
+
+ /* switch to UART mode */
+ psc->sicr = 0;
+
+ /* mode register points to mr1 */
+ /* configure parity, bit length and so on in mode register 1*/
+ psc->mode = PSC_MODE_8_BITS | PSC_MODE_PARNONE;
+ /* now, mode register points to mr2 */
+ psc->mode = PSC_MODE_1_STOPBIT;
+
+ /* calculate dividor for setting PSC CTUR and CTLR registers */
+ baseclk = (gd->ipb_clk + 8) / 16;
+ div = (baseclk + (gd->baudrate / 2)) / gd->baudrate;
+
+ psc->ctur = (div >> 8) & 0xff;
+ /* set baudrate */
+ psc->ctlr = div & 0xff;
+
+ /* disable all interrupts */
+ psc->psc_imr = 0;
+
+ /* reset and enable Rx/Tx */
+ psc->command = PSC_RST_RX;
+ psc->command = PSC_RST_TX;
+ psc->command = PSC_RX_ENABLE | PSC_TX_ENABLE;
+
+ return 0;
+}
+
+void serial_putc (const char c)
+{
+ volatile immap_t *im = (immap_t *)CFG_IMMR;
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+
+ if (c == '\n')
+ serial_putc ('\r');
+
+ /* Wait for last character to go. */
+ while (!(psc->psc_status & PSC_SR_TXEMP))
+ ;
+
+ psc->tfdata_8 = c;
+}
+
+void serial_putc_raw (const char c)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+
+ /* Wait for last character to go. */
+ while (!(psc->psc_status & PSC_SR_TXEMP))
+ ;
+
+ psc->tfdata_8 = c;
+}
+
+
+void serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+int serial_getc (void)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+
+ /* Wait for a character to arrive. */
+ while (psc->rfstat & PSC_FIFO_EMPTY)
+ ;
+
+ return psc->rfdata_8;
+}
+
+int serial_tstc (void)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+
+ return !(psc->rfstat & PSC_FIFO_EMPTY);
+}
+
+void serial_setbrg (void)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ unsigned long baseclk, div;
+
+ baseclk = (gd->csb_clk + 8) / 16;
+ div = (baseclk + (gd->baudrate / 2)) / gd->baudrate;
+
+ psc->ctur = (div >> 8) & 0xFF;
+ psc->ctlr = div & 0xff; /* set baudrate */
+}
+
+void serial_setrts(int s)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+
+ if (s) {
+ /* Assert RTS (become LOW) */
+ psc->op1 = 0x1;
+ }
+ else {
+ /* Negate RTS (become HIGH) */
+ psc->op0 = 0x1;
+ }
+}
+
+int serial_getcts(void)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+
+ return (psc->ip & 0x1) ? 0 : 1;
+}
+#endif /* CONFIG_PSC_CONSOLE */
diff --git a/cpu/mpc512x/speed.c b/cpu/mpc512x/speed.c
new file mode 100644
index 000000000..9a31155ed
--- /dev/null
+++ b/cpu/mpc512x/speed.c
@@ -0,0 +1,135 @@
+/*
+ * (C) Copyright 2000-2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
+ *
+ * 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
+ *
+ * Based on the MPC83xx code.
+ */
+
+#include <common.h>
+#include <mpc512x.h>
+#include <command.h>
+#include <asm/processor.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int spmf_mult[] = {
+ 68, 1, 12, 16,
+ 20, 24, 28, 32,
+ 36, 40, 44, 48,
+ 52, 56, 60, 64
+};
+
+static int cpmf_mult[][2] = {
+ {0, 1}, {0, 1}, /* 0 and 1 are not valid */
+ {1, 1}, {3, 2},
+ {2, 1}, {5, 2},
+ {3, 1}, {7, 2},
+ {0, 1}, {0, 1}, /* and all above 7 are not valid too */
+ {0, 1}, {0, 1},
+ {0, 1}, {0, 1},
+ {0, 1}, {0, 1}
+};
+
+static int sys_dividors[][2] = {
+ {2, 1}, {5, 2}, {3, 1}, {7, 2}, {4, 1},
+ {9, 2}, {5, 1}, {7, 1}, {6, 1}, {8, 1},
+ {9, 1}, {11, 1}, {10, 1}, {12, 1}, {13, 1},
+ {15, 1}, {14, 1}, {16, 1}, {17, 1}, {19, 1},
+ {18, 1}, {20, 1}, {21, 1}, {23, 1}, {22, 1},
+ {24, 1}, {25, 1}, {27, 1}, {26, 1}, {28, 1},
+ {29, 1}, {31, 1}, {30, 1}, {32, 1}, {33, 1}
+};
+
+int get_clocks (void)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ u8 spmf;
+ u8 cpmf;
+ u8 sys_div;
+ u8 ips_div;
+ u32 ref_clk = CFG_MPC512X_CLKIN;
+ u32 spll;
+ u32 sys_clk;
+ u32 core_clk;
+ u32 csb_clk;
+ u32 ips_clk;
+
+ if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
+ return -1;
+
+ spmf = (im->clk.spmr & SPMR_SPMF) >> SPMR_SPMF_SHIFT;
+ spll = ref_clk * spmf_mult[spmf];
+
+ sys_div = (im->clk.scfr[1] & SCFR2_SYS_DIV) >> SCFR2_SYS_DIV_SHIFT;
+ sys_clk = (spll * sys_dividors[sys_div][1]) / sys_dividors[sys_div][0];
+
+ csb_clk = sys_clk / 2;
+
+ cpmf = (im->clk.spmr & SPMR_CPMF) >> SPMR_CPMF_SHIFT;
+ core_clk = (csb_clk * cpmf_mult[cpmf][0]) / cpmf_mult[cpmf][1];
+
+ ips_div = (im->clk.scfr[0] & SCFR1_IPS_DIV_MASK) >> SCFR1_IPS_DIV_SHIFT;
+ if (ips_div != 0) {
+ ips_clk = csb_clk / ips_div;
+ } else {
+ /* in case we cannot get a sane IPS divisor, fail gracefully */
+ ips_clk = 0;
+ }
+
+ gd->ipb_clk = ips_clk;
+ gd->csb_clk = csb_clk;
+ gd->cpu_clk = core_clk;
+ gd->bus_clk = csb_clk;
+ return 0;
+
+}
+
+/********************************************
+ * get_bus_freq
+ * return system bus freq in Hz
+ *********************************************/
+ulong get_bus_freq (ulong dummy)
+{
+ return gd->csb_clk;
+}
+
+int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ printf ("Clock configuration:\n");
+ printf (" CPU: %4d MHz\n", gd->cpu_clk / 1000000);
+ printf (" Coherent System Bus: %4d MHz\n", gd->csb_clk / 1000000);
+ printf (" IPS Bus: %4d MHz\n", gd->ipb_clk / 1000000);
+ printf (" DDR: %4d MHz\n", 2 * gd->csb_clk / 1000000);
+ return 0;
+}
+
+U_BOOT_CMD(clocks, 1, 0, do_clocks,
+ "clocks - print clock configuration\n",
+ " clocks\n"
+);
+
+int prt_mpc512x_clks (void)
+{
+ do_clocks (NULL, 0, 0, NULL);
+ return (0);
+}
diff --git a/cpu/mpc512x/start.S b/cpu/mpc512x/start.S
new file mode 100644
index 000000000..8b749ac54
--- /dev/null
+++ b/cpu/mpc512x/start.S
@@ -0,0 +1,780 @@
+/*
+ * Copyright (C) 1998 Dan Malek <dmalek@jlc.net>
+ * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
+ * Copyright (C) 2000, 2001, 2002, 2007 Wolfgang Denk <wd@denx.de>
+ * Copyright Freescale Semiconductor, Inc. 2004, 2006. All rights reserved.
+ *
+ * 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
+ *
+ * Based on the MPC83xx code.
+ */
+
+/*
+ * U-Boot - Startup Code for MPC512x based Embedded Boards
+ */
+
+#include <config.h>
+#include <mpc512x.h>
+#include <version.h>
+
+#define CONFIG_521X 1 /* needed for Linux kernel header files*/
+
+#include <ppc_asm.tmpl>
+#include <ppc_defs.h>
+
+#include <asm/cache.h>
+#include <asm/mmu.h>
+
+#ifndef CONFIG_IDENT_STRING
+#define CONFIG_IDENT_STRING "MPC512X"
+#endif
+
+/*
+ * Floating Point enable, Machine Check and Recoverable Interr.
+ */
+#undef MSR_KERNEL
+#ifdef DEBUG
+#define MSR_KERNEL (MSR_FP|MSR_RI)
+#else
+#define MSR_KERNEL (MSR_FP|MSR_ME|MSR_RI)
+#endif
+
+/* Macros for manipulating CSx_START/STOP */
+#define START_REG(start) ((start) >> 16)
+#define STOP_REG(start, size) (((start) + (size) - 1) >> 16)
+
+/*
+ * Set up GOT: Global Offset Table
+ *
+ * Use r14 to access the GOT
+ */
+ START_GOT
+ GOT_ENTRY(_GOT2_TABLE_)
+ GOT_ENTRY(_FIXUP_TABLE_)
+
+ GOT_ENTRY(_start)
+ GOT_ENTRY(_start_of_vectors)
+ GOT_ENTRY(_end_of_vectors)
+ GOT_ENTRY(transfer_to_handler)
+
+ GOT_ENTRY(__init_end)
+ GOT_ENTRY(_end)
+ GOT_ENTRY(__bss_start)
+ END_GOT
+
+/*
+ * Magic number and version string
+ */
+ .long 0x27051956 /* U-Boot Magic Number */
+ .globl version_string
+version_string:
+ .ascii U_BOOT_VERSION
+ .ascii " (", __DATE__, " - ", __TIME__, ")"
+ .ascii " ", CONFIG_IDENT_STRING, "\0"
+
+/*
+ * Vector Table
+ */
+ .text
+ . = EXC_OFF_SYS_RESET
+
+ .globl _start
+ /* Start from here after reset/power on */
+_start:
+ li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH */
+ b boot_cold
+
+ .globl _start_of_vectors
+_start_of_vectors:
+
+/* Machine check */
+ STD_EXCEPTION(0x200, MachineCheck, MachineCheckException)
+
+/* Data Storage exception. */
+ STD_EXCEPTION(0x300, DataStorage, UnknownException)
+
+/* Instruction Storage exception. */
+ STD_EXCEPTION(0x400, InstStorage, UnknownException)
+
+/* External Interrupt exception. */
+ STD_EXCEPTION(0x500, ExtInterrupt, UnknownException)
+
+/* Alignment exception. */
+ . = 0x600
+Alignment:
+ EXCEPTION_PROLOG(SRR0, SRR1)
+ mfspr r4,DAR
+ stw r4,_DAR(r21)
+ mfspr r5,DSISR
+ stw r5,_DSISR(r21)
+ addi r3,r1,STACK_FRAME_OVERHEAD
+ li r20,MSR_KERNEL
+ rlwimi r20,r23,0,16,16 /* copy EE bit from saved MSR */
+ rlwimi r20,r23,0,25,25 /* copy IP bit from saved MSR */
+ lwz r6,GOT(transfer_to_handler)
+ mtlr r6
+ blrl
+.L_Alignment:
+ .long AlignmentException - _start + EXC_OFF_SYS_RESET
+ .long int_return - _start + EXC_OFF_SYS_RESET
+
+/* Program check exception */
+ . = 0x700
+ProgramCheck:
+ EXCEPTION_PROLOG(SRR0, SRR1)
+ addi r3,r1,STACK_FRAME_OVERHEAD
+ li r20,MSR_KERNEL
+ rlwimi r20,r23,0,16,16 /* copy EE bit from saved MSR */
+ rlwimi r20,r23,0,25,25 /* copy IP bit from saved MSR */
+ lwz r6,GOT(transfer_to_handler)
+ mtlr r6
+ blrl
+.L_ProgramCheck:
+ .long ProgramCheckException - _start + EXC_OFF_SYS_RESET
+ .long int_return - _start + EXC_OFF_SYS_RESET
+
+/* Floating Point Unit unavailable exception */
+ STD_EXCEPTION(0x800, FPUnavailable, UnknownException)
+
+/* Decrementer */
+ STD_EXCEPTION(0x900, Decrementer, timer_interrupt)
+
+/* Critical interrupt */
+ STD_EXCEPTION(0xa00, Critical, UnknownException)
+
+/* System Call */
+ STD_EXCEPTION(0xc00, SystemCall, UnknownException)
+
+/* Trace interrupt */
+ STD_EXCEPTION(0xd00, Trace, UnknownException)
+
+/* Performance Monitor interrupt */
+ STD_EXCEPTION(0xf00, PerfMon, UnknownException)
+
+/* Intruction Translation Miss */
+ STD_EXCEPTION(0x1000, InstructionTLBMiss, UnknownException)
+
+/* Data Load Translation Miss */
+ STD_EXCEPTION(0x1100, DataLoadTLBMiss, UnknownException)
+
+/* Data Store Translation Miss */
+ STD_EXCEPTION(0x1200, DataStoreTLBMiss, UnknownException)
+
+/* Instruction Address Breakpoint */
+ STD_EXCEPTION(0x1300, InstructionAddrBreakpoint, DebugException)
+
+/* System Management interrupt */
+ STD_EXCEPTION(0x1400, SystemMgmtInterrupt, UnknownException)
+
+ .globl _end_of_vectors
+_end_of_vectors:
+
+ . = 0x3000
+boot_cold:
+ /* Save msr contents */
+ mfmsr r5
+
+ /* Set IMMR area to our preferred location */
+ lis r4, CONFIG_DEFAULT_IMMR@h
+ lis r3, CFG_IMMR@h
+ ori r3, r3, CFG_IMMR@l
+ stw r3, IMMRBAR(r4)
+ mtspr MBAR, r3 /* IMMRBAR is mirrored into the MBAR SPR (311) */
+
+ /* Initialise the machine */
+ bl cpu_early_init
+
+ /*
+ * Set up Local Access Windows:
+ *
+ * 1) Boot/CS0 (boot FLASH)
+ * 2) On-chip SRAM (initial stack purposes)
+ */
+
+ /* Boot CS/CS0 window range */
+ lis r3, CFG_IMMR@h
+ ori r3, r3, CFG_IMMR@l
+
+ lis r4, START_REG(CFG_FLASH_BASE)
+ ori r4, r4, STOP_REG(CFG_FLASH_BASE, CFG_FLASH_SIZE)
+ stw r4, LPCS0AW(r3)
+
+ /*
+ * The SRAM window has a fixed size (256K), so only the start address
+ * is necessary
+ */
+ lis r4, START_REG(CFG_SRAM_BASE) & 0xff00
+ stw r4, SRAMBAR(r3)
+
+ /*
+ * According to MPC5121e RM, configuring local access windows should
+ * be followed by a dummy read of the config register that was
+ * modified last and an isync
+ */
+ lwz r4, SRAMBAR(r3)
+ isync
+
+ /*
+ * Set configuration of the Boot/CS0, the SRAM window does not have a
+ * config register so no params can be set for it
+ */
+ lis r3, (CFG_IMMR + LPC_OFFSET)@h
+ ori r3, r3, (CFG_IMMR + LPC_OFFSET)@l
+
+ lis r4, CFG_CS0_CFG@h
+ ori r4, r4, CFG_CS0_CFG@l
+ stw r4, CS0_CONFIG(r3)
+
+ /* Master enable all CS's */
+ lis r4, CS_CTRL_ME@h
+ ori r4, r4, CS_CTRL_ME@l
+ stw r4, CS_CTRL(r3)
+
+ lis r4, (CFG_MONITOR_BASE)@h
+ ori r4, r4, (CFG_MONITOR_BASE)@l
+ addi r5, r4, in_flash - _start + EXC_OFF_SYS_RESET
+ mtlr r5
+ blr
+
+in_flash:
+ lis r1, (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET)@h
+ ori r1, r1, (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET)@l
+
+ li r0, 0 /* Make room for stack frame header and */
+ stwu r0, -4(r1) /* clear final stack frame so that */
+ stwu r0, -4(r1) /* stack backtraces terminate cleanly */
+
+ /* let the C-code set up the rest */
+ /* */
+ /* Be careful to keep code relocatable & stack humble */
+ /*------------------------------------------------------*/
+
+ GET_GOT /* initialize GOT access */
+
+ /* r3: IMMR */
+ lis r3, CFG_IMMR@h
+ /* run low-level CPU init code (in Flash) */
+ bl cpu_init_f
+
+ /* r3: BOOTFLAG */
+ mr r3, r21
+ /* run 1st part of board init code (in Flash) */
+ bl board_init_f
+
+ /* NOTREACHED - board_init_f() does not return */
+
+/*
+ * This code finishes saving the registers to the exception frame
+ * and jumps to the appropriate handler for the exception.
+ * Register r21 is pointer into trap frame, r1 has new stack pointer.
+ */
+ .globl transfer_to_handler
+transfer_to_handler:
+ stw r22,_NIP(r21)
+ lis r22,MSR_POW@h
+ andc r23,r23,r22
+ stw r23,_MSR(r21)
+ SAVE_GPR(7, r21)
+ SAVE_4GPRS(8, r21)
+ SAVE_8GPRS(12, r21)
+ SAVE_8GPRS(24, r21)
+ mflr r23
+ andi. r24,r23,0x3f00 /* get vector offset */
+ stw r24,TRAP(r21)
+ li r22,0
+ stw r22,RESULT(r21)
+ lwz r24,0(r23) /* virtual address of handler */
+ lwz r23,4(r23) /* where to go when done */
+ mtspr SRR0,r24
+ mtspr SRR1,r20
+ mtlr r23
+ SYNC
+ rfi /* jump to handler, enable MMU */
+
+int_return:
+ mfmsr r28 /* Disable interrupts */
+ li r4,0
+ ori r4,r4,MSR_EE
+ andc r28,r28,r4
+ SYNC /* Some chip revs need this... */
+ mtmsr r28
+ SYNC
+ lwz r2,_CTR(r1)
+ lwz r0,_LINK(r1)
+ mtctr r2
+ mtlr r0
+ lwz r2,_XER(r1)
+ lwz r0,_CCR(r1)
+ mtspr XER,r2
+ mtcrf 0xFF,r0
+ REST_10GPRS(3, r1)
+ REST_10GPRS(13, r1)
+ REST_8GPRS(23, r1)
+ REST_GPR(31, r1)
+ lwz r2,_NIP(r1) /* Restore environment */
+ lwz r0,_MSR(r1)
+ mtspr SRR0,r2
+ mtspr SRR1,r0
+ lwz r0,GPR0(r1)
+ lwz r2,GPR2(r1)
+ lwz r1,GPR1(r1)
+ SYNC
+ rfi
+
+/*
+ * This code initialises the machine, it expects original MSR contents to be in r5.
+ */
+cpu_early_init:
+ /* Initialize machine status; enable machine check interrupt */
+ /*-----------------------------------------------------------*/
+
+ li r3, MSR_KERNEL /* Set ME and RI flags */
+ rlwimi r3, r5, 0, 25, 25 /* preserve IP bit */
+#ifdef DEBUG
+ rlwimi r3, r5, 0, 21, 22 /* debugger might set SE, BE bits */
+#endif
+ mtmsr r3
+ SYNC
+ mtspr SRR1, r3 /* Mirror current MSR state in SRR1 */
+
+ lis r3, CFG_IMMR@h
+
+#if defined(CONFIG_WATCHDOG)
+ /* Initialise the watchdog and reset it */
+ /*--------------------------------------*/
+ lis r4, CFG_WATCHDOG_VALUE
+ ori r4, r4, (SWCRR_SWEN | SWCRR_SWRI | SWCRR_SWPR)
+ stw r4, SWCRR(r3)
+
+ /* reset */
+ li r4, 0x556C
+ sth r4, SWSRR@l(r3)
+ li r4, 0x0
+ ori r4, r4, 0xAA39
+ sth r4, SWSRR@l(r3)
+#else
+ /* Disable the watchdog */
+ /*----------------------*/
+ lwz r4, SWCRR(r3)
+ /*
+ * Check to see if it's enabled for disabling: once disabled by s/w
+ * it's not possible to re-enable it
+ */
+ andi. r4, r4, 0x4
+ beq 1f
+ xor r4, r4, r4
+ stw r4, SWCRR(r3)
+1:
+#endif /* CONFIG_WATCHDOG */
+
+ /* Initialize the Hardware Implementation-dependent Registers */
+ /* HID0 also contains cache control */
+ /*------------------------------------------------------*/
+ lis r3, CFG_HID0_INIT@h
+ ori r3, r3, CFG_HID0_INIT@l
+ SYNC
+ mtspr HID0, r3
+
+ lis r3, CFG_HID0_FINAL@h
+ ori r3, r3, CFG_HID0_FINAL@l
+ SYNC
+ mtspr HID0, r3
+
+ lis r3, CFG_HID2@h
+ ori r3, r3, CFG_HID2@l
+ SYNC
+ mtspr HID2, r3
+ sync
+ blr
+
+
+/* Cache functions.
+ *
+ * Note: requires that all cache bits in
+ * HID0 are in the low half word.
+ */
+ .globl icache_enable
+icache_enable:
+ mfspr r3, HID0
+ ori r3, r3, HID0_ICE
+ lis r4, 0
+ ori r4, r4, HID0_ILOCK
+ andc r3, r3, r4
+ ori r4, r3, HID0_ICFI
+ isync
+ mtspr HID0, r4 /* sets enable and invalidate, clears lock */
+ isync
+ mtspr HID0, r3 /* clears invalidate */
+ blr
+
+ .globl icache_disable
+icache_disable:
+ mfspr r3, HID0
+ lis r4, 0
+ ori r4, r4, HID0_ICE|HID0_ILOCK
+ andc r3, r3, r4
+ ori r4, r3, HID0_ICFI
+ isync
+ mtspr HID0, r4 /* sets invalidate, clears enable and lock*/
+ isync
+ mtspr HID0, r3 /* clears invalidate */
+ blr
+
+ .globl icache_status
+icache_status:
+ mfspr r3, HID0
+ rlwinm r3, r3, (31 - HID0_ICE_SHIFT + 1), 31, 31
+ blr
+
+ .globl dcache_enable
+dcache_enable:
+ mfspr r3, HID0
+ li r5, HID0_DCFI|HID0_DLOCK
+ andc r3, r3, r5
+ mtspr HID0, r3 /* no invalidate, unlock */
+ ori r3, r3, HID0_DCE
+ ori r5, r3, HID0_DCFI
+ mtspr HID0, r5 /* enable + invalidate */
+ mtspr HID0, r3 /* enable */
+ sync
+ blr
+
+ .globl dcache_disable
+dcache_disable:
+ mfspr r3, HID0
+ lis r4, 0
+ ori r4, r4, HID0_DCE|HID0_DLOCK
+ andc r3, r3, r4
+ ori r4, r3, HID0_DCI
+ sync
+ mtspr HID0, r4 /* sets invalidate, clears enable and lock */
+ sync
+ mtspr HID0, r3 /* clears invalidate */
+ blr
+
+ .globl dcache_status
+dcache_status:
+ mfspr r3, HID0
+ rlwinm r3, r3, (31 - HID0_DCE_SHIFT + 1), 31, 31
+ blr
+
+ .globl get_pvr
+get_pvr:
+ mfspr r3, PVR
+ blr
+
+/*------------------------------------------------------------------------------- */
+/* Function: ppcDcbf */
+/* Description: Data Cache block flush */
+/* Input: r3 = effective address */
+/* Output: none. */
+/*------------------------------------------------------------------------------- */
+ .globl ppcDcbf
+ppcDcbf:
+ dcbf r0,r3
+ blr
+
+/*------------------------------------------------------------------------------- */
+/* Function: ppcDcbi */
+/* Description: Data Cache block Invalidate */
+/* Input: r3 = effective address */
+/* Output: none. */
+/*------------------------------------------------------------------------------- */
+ .globl ppcDcbi
+ppcDcbi:
+ dcbi r0,r3
+ blr
+
+/*--------------------------------------------------------------------------
+ * Function: ppcDcbz
+ * Description: Data Cache block zero.
+ * Input: r3 = effective address
+ * Output: none.
+ *-------------------------------------------------------------------------- */
+
+ .globl ppcDcbz
+ppcDcbz:
+ dcbz r0,r3
+ blr
+
+ .globl ppcDWstore
+ppcDWstore:
+ lfd 1, 0(r4)
+ stfd 1, 0(r3)
+ blr
+
+ .globl ppcDWload
+ppcDWload:
+ lfd 1, 0(r3)
+ stfd 1, 0(r4)
+ blr
+
+/*-------------------------------------------------------------------*/
+
+/*
+ * void relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ * r3 = dest
+ * r4 = src
+ * r5 = length in bytes
+ * r6 = cachelinesize
+ */
+ .globl relocate_code
+relocate_code:
+ mr r1, r3 /* Set new stack pointer */
+ mr r9, r4 /* Save copy of Global Data pointer */
+ mr r10, r5 /* Save copy of Destination Address */
+
+ mr r3, r5 /* Destination Address */
+ lis r4, CFG_MONITOR_BASE@h /* Source Address */
+ ori r4, r4, CFG_MONITOR_BASE@l
+ lwz r5, GOT(__init_end)
+ sub r5, r5, r4
+ li r6, CFG_CACHELINE_SIZE /* Cache Line Size */
+
+ /*
+ * Fix GOT pointer:
+ *
+ * New GOT-PTR = (old GOT-PTR - CFG_MONITOR_BASE)
+ * + Destination Address
+ *
+ * Offset:
+ */
+ sub r15, r10, r4
+
+ /* First our own GOT */
+ add r14, r14, r15
+ /* then the one used by the C code */
+ add r30, r30, r15
+
+ /*
+ * Now relocate code
+ */
+ cmplw cr1,r3,r4
+ addi r0,r5,3
+ srwi. r0,r0,2
+ beq cr1,4f /* In place copy is not necessary */
+ beq 7f /* Protect against 0 count */
+ mtctr r0
+ bge cr1,2f
+ la r8,-4(r4)
+ la r7,-4(r3)
+
+ /* copy */
+1: lwzu r0,4(r8)
+ stwu r0,4(r7)
+ bdnz 1b
+
+ addi r0,r5,3
+ srwi. r0,r0,2
+ mtctr r0
+ la r8,-4(r4)
+ la r7,-4(r3)
+
+ /* and compare */
+20: lwzu r20,4(r8)
+ lwzu r21,4(r7)
+ xor. r22, r20, r21
+ bne 30f
+ bdnz 20b
+ b 4f
+
+ /* compare failed */
+30: li r3, 0
+ blr
+
+2: slwi r0,r0,2 /* re copy in reverse order ... y do we needed it? */
+ add r8,r4,r0
+ add r7,r3,r0
+3: lwzu r0,-4(r8)
+ stwu r0,-4(r7)
+ bdnz 3b
+
+/*
+ * Now flush the cache: note that we must start from a cache aligned
+ * address. Otherwise we might miss one cache line.
+ */
+4: cmpwi r6,0
+ add r5,r3,r5
+ beq 7f /* Always flush prefetch queue in any case */
+ subi r0,r6,1
+ andc r3,r3,r0
+ mr r4,r3
+5: dcbst 0,r4
+ add r4,r4,r6
+ cmplw r4,r5
+ blt 5b
+ sync /* Wait for all dcbst to complete on bus */
+ mr r4,r3
+6: icbi 0,r4
+ add r4,r4,r6
+ cmplw r4,r5
+ blt 6b
+7: sync /* Wait for all icbi to complete on bus */
+ isync
+
+/*
+ * We are done. Do not return, instead branch to second part of board
+ * initialization, now running from RAM.
+ */
+ addi r0, r10, in_ram - _start + EXC_OFF_SYS_RESET
+ mtlr r0
+ blr
+
+in_ram:
+ /*
+ * Relocation Function, r14 point to got2+0x8000
+ *
+ * Adjust got2 pointers, no need to check for 0, this code
+ * already puts a few entries in the table.
+ */
+ li r0,__got2_entries@sectoff@l
+ la r3,GOT(_GOT2_TABLE_)
+ lwz r11,GOT(_GOT2_TABLE_)
+ mtctr r0
+ sub r11,r3,r11
+ addi r3,r3,-4
+1: lwzu r0,4(r3)
+ add r0,r0,r11
+ stw r0,0(r3)
+ bdnz 1b
+
+ /*
+ * Now adjust the fixups and the pointers to the fixups
+ * in case we need to move ourselves again.
+ */
+2: li r0,__fixup_entries@sectoff@l
+ lwz r3,GOT(_FIXUP_TABLE_)
+ cmpwi r0,0
+ mtctr r0
+ addi r3,r3,-4
+ beq 4f
+3: lwzu r4,4(r3)
+ lwzux r0,r4,r11
+ add r0,r0,r11
+ stw r10,0(r3)
+ stw r0,0(r4)
+ bdnz 3b
+4:
+clear_bss:
+ /*
+ * Now clear BSS segment
+ */
+ lwz r3,GOT(__bss_start)
+ lwz r4,GOT(_end)
+
+ cmplw 0, r3, r4
+ beq 6f
+
+ li r0, 0
+5:
+ stw r0, 0(r3)
+ addi r3, r3, 4
+ cmplw 0, r3, r4
+ bne 5b
+6:
+ mr r3, r9 /* Global Data pointer */
+ mr r4, r10 /* Destination Address */
+ bl board_init_r
+
+ /*
+ * Copy exception vector code to low memory
+ *
+ * r3: dest_addr
+ * r7: source address, r8: end address, r9: target address
+ */
+ .globl trap_init
+trap_init:
+ lwz r7, GOT(_start)
+ lwz r8, GOT(_end_of_vectors)
+
+ li r9, 0x100 /* reset vector at 0x100 */
+
+ cmplw 0, r7, r8
+ bgelr /* return if r7>=r8 - just in case */
+
+ mflr r4 /* save link register */
+1:
+ lwz r0, 0(r7)
+ stw r0, 0(r9)
+ addi r7, r7, 4
+ addi r9, r9, 4
+ cmplw 0, r7, r8
+ bne 1b
+
+ /*
+ * relocate `hdlr' and `int_return' entries
+ */
+ li r7, .L_MachineCheck - _start + EXC_OFF_SYS_RESET
+ li r8, Alignment - _start + EXC_OFF_SYS_RESET
+2:
+ bl trap_reloc
+ addi r7, r7, 0x100 /* next exception vector */
+ cmplw 0, r7, r8
+ blt 2b
+
+ li r7, .L_Alignment - _start + EXC_OFF_SYS_RESET
+ bl trap_reloc
+
+ li r7, .L_ProgramCheck - _start + EXC_OFF_SYS_RESET
+ bl trap_reloc
+
+ li r7, .L_FPUnavailable - _start + EXC_OFF_SYS_RESET
+ li r8, SystemCall - _start + EXC_OFF_SYS_RESET
+3:
+ bl trap_reloc
+ addi r7, r7, 0x100 /* next exception vector */
+ cmplw 0, r7, r8
+ blt 3b
+
+ li r7, .L_Trace - _start + EXC_OFF_SYS_RESET
+ li r8, _end_of_vectors - _start + EXC_OFF_SYS_RESET
+4:
+ bl trap_reloc
+ addi r7, r7, 0x100 /* next exception vector */
+ cmplw 0, r7, r8
+ blt 4b
+
+ mfmsr r3 /* now that the vectors have */
+ lis r7, MSR_IP@h /* relocated into low memory */
+ ori r7, r7, MSR_IP@l /* MSR[IP] can be turned off */
+ andc r3, r3, r7 /* (if it was on) */
+ SYNC /* Some chip revs need this... */
+ mtmsr r3
+ SYNC
+
+ mtlr r4 /* restore link register */
+ blr
+
+ /*
+ * Function: relocate entries for one exception vector
+ */
+trap_reloc:
+ lwz r0, 0(r7) /* hdlr ... */
+ add r0, r0, r3 /* ... += dest_addr */
+ stw r0, 0(r7)
+
+ lwz r0, 4(r7) /* int_return ... */
+ add r0, r0, r3 /* ... += dest_addr */
+ stw r0, 4(r7)
+
+ blr
diff --git a/cpu/mpc512x/traps.c b/cpu/mpc512x/traps.c
new file mode 100644
index 000000000..40281a2cb
--- /dev/null
+++ b/cpu/mpc512x/traps.c
@@ -0,0 +1,205 @@
+/*
+ * (C) Copyright 2000 - 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
+ *
+ * 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
+ *
+ * Derived from the MPC83xx code.
+ */
+
+/*
+ * This file handles the architecture-dependent parts of hardware
+ * exceptions
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern unsigned long search_exception_table(unsigned long);
+
+#define END_OF_MEM (gd->bd->bi_memstart + gd->bd->bi_memsize)
+
+/*
+ * Trap & Exception support
+ */
+
+void
+print_backtrace (unsigned long *sp)
+{
+ int cnt = 0;
+ unsigned long i;
+
+ puts ("Call backtrace: ");
+ while (sp) {
+ if ((uint)sp > END_OF_MEM)
+ break;
+
+ i = sp[1];
+ if (cnt++ % 7 == 0)
+ putc ('\n');
+ printf ("%08lX ", i);
+ if (cnt > 32) break;
+ sp = (unsigned long *) *sp;
+ }
+ putc ('\n');
+}
+
+void show_regs (struct pt_regs * regs)
+{
+ int i;
+
+ printf ("NIP: %08lX XER: %08lX LR: %08lX REGS: %p TRAP: %04lx DAR: %08lX\n",
+ regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);
+ printf ("MSR: %08lx EE: %01x PR: %01x FP: %01x ME: %01x IR/DR: %01x%01x\n",
+ regs->msr, regs->msr & MSR_EE ? 1 : 0, regs->msr & MSR_PR ? 1 : 0,
+ regs->msr & MSR_FP ? 1 : 0,regs->msr & MSR_ME ? 1 : 0,
+ regs->msr & MSR_IR ? 1 : 0,
+ regs->msr & MSR_DR ? 1 : 0);
+
+ putc ('\n');
+ for (i = 0; i < 32; i++) {
+ if ((i % 8) == 0) {
+ printf ("GPR%02d: ", i);
+ }
+
+ printf ("%08lX ", regs->gpr[i]);
+ if ((i % 8) == 7) {
+ putc ('\n');
+ }
+ }
+}
+
+
+void
+_exception (int signr, struct pt_regs *regs)
+{
+ show_regs (regs);
+ print_backtrace ((unsigned long *)regs->gpr[1]);
+ panic ("Exception at pc %lx signal %d", regs->nip,signr);
+}
+
+
+void
+MachineCheckException (struct pt_regs *regs)
+{
+ unsigned long fixup;
+
+ if ((fixup = search_exception_table (regs->nip)) != 0) {
+ regs->nip = fixup;
+ return;
+ }
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+ if (debugger_exception_handler && (*debugger_exception_handler)(regs))
+ return;
+#endif
+
+ puts ("Machine check.\nCaused by (from msr): ");
+ printf ("regs %p ",regs);
+ switch (regs->msr & 0x00FF0000) {
+ case (0x80000000 >> 10):
+ puts ("Instruction cache parity signal\n");
+ break;
+ case (0x80000000 >> 11):
+ puts ("Data cache parity signal\n");
+ break;
+ case (0x80000000 >> 12):
+ puts ("Machine check signal\n");
+ break;
+ case (0x80000000 >> 13):
+ puts ("Transfer error ack signal\n");
+ break;
+ case (0x80000000 >> 14):
+ puts ("Data parity signal\n");
+ break;
+ case (0x80000000 >> 15):
+ puts ("Address parity signal\n");
+ break;
+ default:
+ puts ("Unknown values in msr\n");
+ }
+ show_regs (regs);
+ print_backtrace ((unsigned long *)regs->gpr[1]);
+
+ panic ("machine check");
+}
+
+void
+AlignmentException (struct pt_regs *regs)
+{
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+ if (debugger_exception_handler && (*debugger_exception_handler)(regs))
+ return;
+#endif
+ show_regs (regs);
+ print_backtrace ((unsigned long *)regs->gpr[1]);
+ panic ("Alignment Exception");
+}
+
+void
+ProgramCheckException (struct pt_regs *regs)
+{
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+ if (debugger_exception_handler && (*debugger_exception_handler)(regs))
+ return;
+#endif
+ show_regs (regs);
+ print_backtrace ((unsigned long *)regs->gpr[1]);
+ panic ("Program Check Exception");
+}
+
+void
+SoftEmuException (struct pt_regs *regs)
+{
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+ if (debugger_exception_handler && (*debugger_exception_handler)(regs))
+ return;
+#endif
+ show_regs (regs);
+ print_backtrace ((unsigned long *)regs->gpr[1]);
+ panic ("Software Emulation Exception");
+}
+
+
+void
+UnknownException (struct pt_regs *regs)
+{
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+ if (debugger_exception_handler && (*debugger_exception_handler)(regs))
+ return;
+#endif
+ printf ("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
+ regs->nip, regs->msr, regs->trap);
+ _exception (0, regs);
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
+extern void do_bedbug_breakpoint (struct pt_regs *);
+#endif
+
+void
+DebugException (struct pt_regs *regs)
+{
+ printf ("Debugger trap at @ %lx\n", regs->nip );
+ show_regs (regs);
+#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
+ do_bedbug_breakpoint (regs);
+#endif
+}
diff --git a/include/asm-ppc/e300.h b/include/asm-ppc/e300.h
index d1bb159ae..de8239965 100644
--- a/include/asm-ppc/e300.h
+++ b/include/asm-ppc/e300.h
@@ -9,6 +9,7 @@
#define PVR_E300C1 0x80830000
#define PVR_E300C2 0x80840000
#define PVR_E300C3 0x80850000
+#define PVR_E300C4 0x80860000
/*
* Hardware Implementation-Dependent Register 0 (HID0)
diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h
index cd2463643..bbaeb3f57 100644
--- a/include/asm-ppc/global_data.h
+++ b/include/asm-ppc/global_data.h
@@ -85,6 +85,10 @@ typedef struct global_data {
unsigned long ipb_clk;
unsigned long pci_clk;
#endif
+#if defined(CONFIG_MPC512X)
+ u32 ipb_clk;
+ u32 csb_clk;
+#endif /* CONFIG_MPC512X */
#if defined(CONFIG_MPC8220)
unsigned long bExtUart;
unsigned long inp_clk;
diff --git a/include/asm-ppc/immap_512x.h b/include/asm-ppc/immap_512x.h
new file mode 100644
index 000000000..23d10d4eb
--- /dev/null
+++ b/include/asm-ppc/immap_512x.h
@@ -0,0 +1,569 @@
+/*
+ * (C) Copyright 2007 DENX Software Engineering
+ *
+ * MPC512x Internal Memory Map
+ *
+ * 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
+ *
+ * Based on the MPC83xx header.
+ */
+
+#ifndef __IMMAP_512x__
+#define __IMMAP_512x__
+
+#include <asm/types.h>
+
+typedef struct law512x {
+ u32 bar; /* Base Addr Register */
+ u32 ar; /* Attributes Register */
+} law521x_t;
+
+/*
+ * System configuration registers
+ */
+typedef struct sysconf512x {
+ u32 immrbar; /* Internal memory map base address register */
+ u8 res0[0x1c];
+ u32 lpbaw; /* LP Boot Access Window */
+ u32 lpcs0aw; /* LP CS0 Access Window */
+ u32 lpcs1aw; /* LP CS1 Access Window */
+ u32 lpcs2aw; /* LP CS2 Access Window */
+ u32 lpcs3aw; /* LP CS3 Access Window */
+ u32 lpcs4aw; /* LP CS4 Access Window */
+ u32 lpcs5aw; /* LP CS5 Access Window */
+ u32 lpcs6aw; /* LP CS6 Access Window */
+ u32 lpcs7aw; /* LP CS7 Access Window */
+ u8 res1[0x1c];
+ law521x_t pcilaw[3]; /* PCI Local Access Window 0-2 Registers */
+ u8 res2[0x28];
+ law521x_t ddrlaw; /* DDR Local Access Window */
+ u8 res3[0x18];
+ u32 mbxbar; /* MBX Base Address */
+ u32 srambar; /* SRAM Base Address */
+ u32 nfcbar; /* NFC Base Address */
+ u8 res4[0x34];
+ u32 spridr; /* System Part and Revision ID Register */
+ u32 spcr; /* System Priority Configuration Register */
+ u8 res5[0xf8];
+} sysconf512x_t;
+
+/*
+ * Watch Dog Timer (WDT) Registers
+ */
+typedef struct wdt512x {
+ u8 res0[4];
+ u32 swcrr; /* System watchdog control register */
+ u32 swcnr; /* System watchdog count register */
+ u8 res1[2];
+ u16 swsrr; /* System watchdog service register */
+ u8 res2[0xF0];
+} wdt512x_t;
+
+/*
+ * RTC Module Registers
+ */
+typedef struct rtclk512x {
+ u8 fixme[0x100];
+} rtclk512x_t;
+
+/*
+ * General Purpose Timer
+ */
+typedef struct gpt512x {
+ u8 fixme[0x100];
+} gpt512x_t;
+
+/*
+ * Integrated Programmable Interrupt Controller
+ */
+typedef struct ipic512x {
+ u8 fixme[0x100];
+} ipic512x_t;
+
+/*
+ * System Arbiter Registers
+ */
+typedef struct arbiter512x {
+ u32 acr; /* Arbiter Configuration Register */
+ u32 atr; /* Arbiter Timers Register */
+ u32 ater; /* Arbiter Transfer Error Register */
+ u32 aer; /* Arbiter Event Register */
+ u32 aidr; /* Arbiter Interrupt Definition Register */
+ u32 amr; /* Arbiter Mask Register */
+ u32 aeatr; /* Arbiter Event Attributes Register */
+ u32 aeadr; /* Arbiter Event Address Register */
+ u32 aerr; /* Arbiter Event Response Register */
+ u8 res1[0xDC];
+} arbiter512x_t;
+
+/*
+ * Reset Module
+ */
+typedef struct reset512x {
+ u32 rcwl; /* Reset Configuration Word Low Register */
+ u32 rcwh; /* Reset Configuration Word High Register */
+ u8 res0[8];
+ u32 rsr; /* Reset Status Register */
+ u32 rmr; /* Reset Mode Register */
+ u32 rpr; /* Reset protection Register */
+ u32 rcr; /* Reset Control Register */
+ u32 rcer; /* Reset Control Enable Register */
+ u8 res1[0xDC];
+} reset512x_t;
+
+/*
+ * Clock Module
+ */
+typedef struct clk512x {
+ u32 spmr; /* System PLL Mode Register */
+ u32 sccr[2]; /* System Clock Control Registers */
+ u32 scfr[2]; /* System Clock Frequency Registers */
+ u8 res0[4];
+ u32 bcr; /* Bread Crumb Register */
+ u32 pscccr[12]; /* PSC0-11 Clock Control Registers */
+ u32 spccr; /* SPDIF Clock Control Registers */
+ u32 cccr; /* CFM Clock Control Registers */
+ u32 dccr; /* DIU Clock Control Registers */
+ u8 res1[0xa8];
+} clk512x_t;
+
+/*
+ * Power Management Control Module
+ */
+typedef struct pmc512x {
+ u8 fixme[0x100];
+} pmc512x_t;
+
+/*
+ * General purpose I/O module
+ */
+typedef struct gpio512x {
+ u8 fixme[0x100];
+} gpio512x_t;
+
+/*
+ * DDR Memory Controller Memory Map
+ */
+typedef struct ddr512x {
+ u32 ddr_sys_config; /* System Configuration Register */
+ u32 ddr_time_config0; /* Timing Configuration Register */
+ u32 ddr_time_config1; /* Timing Configuration Register */
+ u32 ddr_time_config2; /* Timing Configuration Register */
+ u32 ddr_command; /* Command Register */
+ u32 ddr_compact_command; /* Compact Command Register */
+ u32 self_refresh_cmd_0; /* Enter/Exit Self Refresh Registers */
+ u32 self_refresh_cmd_1; /* Enter/Exit Self Refresh Registers */
+ u32 self_refresh_cmd_2; /* Enter/Exit Self Refresh Registers */
+ u32 self_refresh_cmd_3; /* Enter/Exit Self Refresh Registers */
+ u32 self_refresh_cmd_4; /* Enter/Exit Self Refresh Registers */
+ u32 self_refresh_cmd_5; /* Enter/Exit Self Refresh Registers */
+ u32 self_refresh_cmd_6; /* Enter/Exit Self Refresh Registers */
+ u32 self_refresh_cmd_7; /* Enter/Exit Self Refresh Registers */
+ u32 DQS_config_offset_count; /* DQS Config Offset Count */
+ u32 DQS_config_offset_time; /* DQS Config Offset Time */
+ u32 DQS_delay_status; /* DQS Delay Status */
+ u32 res0[0xF];
+ u32 prioman_config1; /* Priority Manager Configuration */
+ u32 prioman_config2; /* Priority Manager Configuration */
+ u32 hiprio_config; /* High Priority Configuration */
+ u32 lut_table0_main_upper; /* LUT0 Main Upper */
+ u32 lut_table1_main_upper; /* LUT1 Main Upper */
+ u32 lut_table2_main_upper; /* LUT2 Main Upper */
+ u32 lut_table3_main_upper; /* LUT3 Main Upper */
+ u32 lut_table4_main_upper; /* LUT4 Main Upper */
+ u32 lut_table0_main_lower; /* LUT0 Main Lower */
+ u32 lut_table1_main_lower; /* LUT1 Main Lower */
+ u32 lut_table2_main_lower; /* LUT2 Main Lower */
+ u32 lut_table3_main_lower; /* LUT3 Main Lower */
+ u32 lut_table4_main_lower; /* LUT4 Main Lower */
+ u32 lut_table0_alternate_upper; /* LUT0 Alternate Upper */
+ u32 lut_table1_alternate_upper; /* LUT1 Alternate Upper */
+ u32 lut_table2_alternate_upper; /* LUT2 Alternate Upper */
+ u32 lut_table3_alternate_upper; /* LUT3 Alternate Upper */
+ u32 lut_table4_alternate_upper; /* LUT4 Alternate Upper */
+ u32 lut_table0_alternate_lower; /* LUT0 Alternate Lower */
+ u32 lut_table1_alternate_lower; /* LUT1 Alternate Lower */
+ u32 lut_table2_alternate_lower; /* LUT2 Alternate Lower */
+ u32 lut_table3_alternate_lower; /* LUT3 Alternate Lower */
+ u32 lut_table4_alternate_lower; /* LUT4 Alternate Lower */
+ u32 performance_monitor_config;
+ u32 event_time_counter;
+ u32 event_time_preset;
+ u32 performance_monitor1_address_low;
+ u32 performance_monitor2_address_low;
+ u32 performance_monitor1_address_hi;
+ u32 performance_monitor2_address_hi;
+ u32 res1[2];
+ u32 performance_monitor1_read_counter;
+ u32 performance_monitor2_read_counter;
+ u32 performance_monitor1_write_counter;
+ u32 performance_monitor2_write_counter;
+ u32 granted_ack_counter0;
+ u32 granted_ack_counter1;
+ u32 granted_ack_counter2;
+ u32 granted_ack_counter3;
+ u32 granted_ack_counter4;
+ u32 cumulative_wait_counter0;
+ u32 cumulative_wait_counter1;
+ u32 cumulative_wait_counter2;
+ u32 cumulative_wait_counter3;
+ u32 cumulative_wait_counter4;
+ u32 summed_priority_counter0;
+ u32 summed_priority_counter1;
+ u32 summed_priority_counter2;
+ u32 summed_priority_counter3;
+ u32 summed_priority_counter4;
+ u32 res2[0x3AD];
+} ddr512x_t;
+
+
+/*
+ * DMA/Messaging Unit
+ */
+typedef struct dma512x {
+ u8 fixme[0x1800];
+} dma512x_t;
+
+/*
+ * PCI Software Configuration Registers
+ */
+typedef struct pciconf512x {
+ u8 fixme[0x80];
+} pciconf512x_t;
+
+/*
+ * Sequencer
+ */
+typedef struct ios512x {
+ u8 fixme[0x100];
+} ios512x_t;
+
+/*
+ * PCI Controller
+ */
+typedef struct pcictrl512x {
+ u8 fixme[0x100];
+} pcictrl512x_t;
+
+
+/*
+ * MSCAN
+ */
+typedef struct mscan512x {
+ u8 fixme[0x100];
+} mscan512x_t;
+
+/*
+ * BDLC
+ */
+typedef struct bdlc512x {
+ u8 fixme[0x100];
+} bdlc512x_t;
+
+/*
+ * SDHC
+ */
+typedef struct sdhc512x {
+ u8 fixme[0x100];
+} sdhc512x_t;
+
+/*
+ * SPDIF
+ */
+typedef struct spdif512x {
+ u8 fixme[0x100];
+} spdif512x_t;
+
+/*
+ * I2C
+ */
+typedef struct i2c512x_dev {
+ volatile u32 madr; /* I2Cn + 0x00 */
+ volatile u32 mfdr; /* I2Cn + 0x04 */
+ volatile u32 mcr; /* I2Cn + 0x08 */
+ volatile u32 msr; /* I2Cn + 0x0C */
+ volatile u32 mdr; /* I2Cn + 0x10 */
+ u8 res0[0x0C];
+} i2c512x_dev_t;
+
+typedef struct i2c512x {
+ i2c512x_dev_t dev[3];
+ volatile u32 icr;
+ volatile u32 mifr;
+ u8 res0[0x98];
+} i2c512x_t;
+
+/*
+ * AXE
+ */
+typedef struct axe512x {
+ u8 fixme[0x100];
+} axe512x_t;
+
+/*
+ * DIU
+ */
+typedef struct diu512x {
+ u8 fixme[0x100];
+} diu512x_t;
+
+/*
+ * CFM
+ */
+typedef struct cfm512x {
+ u8 fixme[0x100];
+} cfm512x_t;
+
+/*
+ * FEC
+ */
+typedef struct fec512x {
+ u8 fixme[0x800];
+} fec512x_t;
+
+/*
+ * ULPI
+ */
+typedef struct ulpi512x {
+ u8 fixme[0x600];
+} ulpi512x_t;
+
+/*
+ * UTMI
+ */
+typedef struct utmi512x {
+ u8 fixme[0x3000];
+} utmi512x_t;
+
+/*
+ * PCI DMA
+ */
+typedef struct pcidma512x {
+ u8 fixme[0x300];
+} pcidma512x_t;
+
+/*
+ * IO Control
+ */
+typedef struct ioctrl512x {
+ u32 regs[0x400];
+} ioctrl512x_t;
+
+/*
+ * IIM
+ */
+typedef struct iim512x {
+ u8 fixme[0x1000];
+} iim512x_t;
+
+/*
+ * LPC
+ */
+typedef struct lpc512x {
+ u32 cs_cfg[8]; /* Chip Select N Configuration Registers
+ No dedicated entry for CS Boot as == CS0 */
+ u32 cs_cr; /* Chip Select Control Register */
+ u32 cs_sr; /* Chip Select Status Register */
+ u32 cs_bcr; /* Chip Select Burst Control Register */
+ u32 cs_dccr; /* Chip Select Deadcycle Control Register */
+ u32 cs_hccr; /* Chip Select Holdcycle Control Register */
+ u8 res0[0xcc];
+ u32 sclpc_psr; /* SCLPC Packet Size Register */
+ u32 sclpc_sar; /* SCLPC Start Address Register */
+ u32 sclpc_cr; /* SCLPC Control Register */
+ u32 sclpc_er; /* SCLPC Enable Register */
+ u32 sclpc_nar; /* SCLPC NextAddress Register */
+ u32 sclpc_sr; /* SCLPC Status Register */
+ u32 sclpc_bdr; /* SCLPC Bytes Done Register */
+ u32 emb_scr; /* EMB Share Counter Register */
+ u32 emb_pcr; /* EMB Pause Control Register */
+ u8 res1[0x1c];
+ u32 lpc_fdwr; /* LPC RX/TX FIFO Data Word Register */
+ u32 lpc_fsr; /* LPC RX/TX FIFO Status Register */
+ u32 lpc_cr; /* LPC RX/TX FIFO Control Register */
+ u32 lpc_ar; /* LPC RX/TX FIFO Alarm Register */
+ u8 res2[0xb0];
+} lpc512x_t;
+
+/*
+ * PATA
+ */
+typedef struct pata512x {
+ u8 fixme[0x100];
+} pata512x_t;
+
+/*
+ * PSC
+ */
+typedef struct psc512x {
+ volatile u8 mode; /* PSC + 0x00 */
+ volatile u8 res0[3];
+ union { /* PSC + 0x04 */
+ volatile u16 status;
+ volatile u16 clock_select;
+ } sr_csr;
+#define psc_status sr_csr.status
+#define psc_clock_select sr_csr.clock_select
+ volatile u16 res1;
+ volatile u8 command; /* PSC + 0x08 */
+ volatile u8 res2[3];
+ union { /* PSC + 0x0c */
+ volatile u8 buffer_8;
+ volatile u16 buffer_16;
+ volatile u32 buffer_32;
+ } buffer;
+#define psc_buffer_8 buffer.buffer_8
+#define psc_buffer_16 buffer.buffer_16
+#define psc_buffer_32 buffer.buffer_32
+ union { /* PSC + 0x10 */
+ volatile u8 ipcr;
+ volatile u8 acr;
+ } ipcr_acr;
+#define psc_ipcr ipcr_acr.ipcr
+#define psc_acr ipcr_acr.acr
+ volatile u8 res3[3];
+ union { /* PSC + 0x14 */
+ volatile u16 isr;
+ volatile u16 imr;
+ } isr_imr;
+#define psc_isr isr_imr.isr
+#define psc_imr isr_imr.imr
+ volatile u16 res4;
+ volatile u8 ctur; /* PSC + 0x18 */
+ volatile u8 res5[3];
+ volatile u8 ctlr; /* PSC + 0x1c */
+ volatile u8 res6[3];
+ volatile u32 ccr; /* PSC + 0x20 */
+ volatile u8 res7[12];
+ volatile u8 ivr; /* PSC + 0x30 */
+ volatile u8 res8[3];
+ volatile u8 ip; /* PSC + 0x34 */
+ volatile u8 res9[3];
+ volatile u8 op1; /* PSC + 0x38 */
+ volatile u8 res10[3];
+ volatile u8 op0; /* PSC + 0x3c */
+ volatile u8 res11[3];
+ volatile u32 sicr; /* PSC + 0x40 */
+ volatile u8 res12[60];
+ volatile u32 tfcmd; /* PSC + 0x80 */
+ volatile u32 tfalarm; /* PSC + 0x84 */
+ volatile u32 tfstat; /* PSC + 0x88 */
+ volatile u32 tfintstat; /* PSC + 0x8C */
+ volatile u32 tfintmask; /* PSC + 0x90 */
+ volatile u32 tfcount; /* PSC + 0x94 */
+ volatile u16 tfwptr; /* PSC + 0x98 */
+ volatile u16 tfrptr; /* PSC + 0x9A */
+ volatile u32 tfsize; /* PSC + 0x9C */
+ volatile u8 res13[28];
+ union { /* PSC + 0xBC */
+ volatile u8 buffer_8;
+ volatile u16 buffer_16;
+ volatile u32 buffer_32;
+ } tfdata_buffer;
+#define tfdata_8 tfdata_buffer.buffer_8
+#define tfdata_16 tfdata_buffer.buffer_16
+#define tfdata_32 tfdata_buffer.buffer_32
+
+ volatile u32 rfcmd; /* PSC + 0xC0 */
+ volatile u32 rfalarm; /* PSC + 0xC4 */
+ volatile u32 rfstat; /* PSC + 0xC8 */
+ volatile u32 rfintstat; /* PSC + 0xCC */
+ volatile u32 rfintmask; /* PSC + 0xD0 */
+ volatile u32 rfcount; /* PSC + 0xD4 */
+ volatile u16 rfwptr; /* PSC + 0xD8 */
+ volatile u16 rfrptr; /* PSC + 0xDA */
+ volatile u32 rfsize; /* PSC + 0xDC */
+ volatile u8 res18[28];
+ union { /* PSC + 0xFC */
+ volatile u8 buffer_8;
+ volatile u16 buffer_16;
+ volatile u32 buffer_32;
+ } rfdata_buffer;
+#define rfdata_8 rfdata_buffer.buffer_8
+#define rfdata_16 rfdata_buffer.buffer_16
+#define rfdata_32 rfdata_buffer.buffer_32
+} psc512x_t;
+
+/*
+ * FIFOC
+ */
+typedef struct fifoc512x {
+ u32 fifoc_cmd;
+ u32 fifoc_int;
+ u32 fifoc_dma;
+ u32 fifoc_axe;
+ u32 fifoc_debug;
+ u8 fixme[0xEC];
+} fifoc512x_t;
+
+/*
+ * SATA
+ */
+typedef struct sata512x {
+ u8 fixme[0x2000];
+} sata512x_t;
+
+typedef struct immap {
+ sysconf512x_t sysconf; /* System configuration */
+ u8 res0[0x700];
+ wdt512x_t wdt; /* Watch Dog Timer (WDT) */
+ rtclk512x_t rtc; /* Real Time Clock Module */
+ gpt512x_t gpt; /* General Purpose Timer */
+ ipic512x_t ipic; /* Integrated Programmable Interrupt Controller */
+ arbiter512x_t arbiter; /* CSB Arbiter */
+ reset512x_t reset; /* Reset Module */
+ clk512x_t clk; /* Clock Module */
+ pmc512x_t pmc; /* Power Management Control Module */
+ gpio512x_t gpio; /* General purpose I/O module */
+ u8 res1[0x100];
+ mscan512x_t mscan; /* MSCAN */
+ bdlc512x_t bdlc; /* BDLC */
+ sdhc512x_t sdhc; /* SDHC */
+ spdif512x_t spdif; /* SPDIF */
+ i2c512x_t i2c; /* I2C Controllers */
+ u8 res2[0x800];
+ axe512x_t axe; /* AXE */
+ diu512x_t diu; /* Display Interface Unit */
+ cfm512x_t cfm; /* Clock Frequency Measurement */
+ u8 res3[0x500];
+ fec512x_t fec; /* Fast Ethernet Controller */
+ ulpi512x_t ulpi; /* USB ULPI */
+ u8 res4[0xa00];
+ utmi512x_t utmi; /* USB UTMI */
+ u8 res5[0x1000];
+ pcidma512x_t pci_dma; /* PCI DMA */
+ pciconf512x_t pci_conf; /* PCI Configuration */
+ u8 res6[0x80];
+ ios512x_t ios; /* PCI Sequencer */
+ pcictrl512x_t pci_ctrl; /* PCI Controller Control and Status */
+ u8 res7[0xa00];
+ ddr512x_t mddrc; /* Multi-port DDR Memory Controller */
+ ioctrl512x_t io_ctrl; /* IO Control */
+ iim512x_t iim; /* IC Identification module */
+ u8 res8[0x4000];
+ lpc512x_t lpc; /* LocalPlus Controller */
+ pata512x_t pata; /* Parallel ATA */
+ u8 res9[0xd00];
+ psc512x_t psc[12]; /* PSCs */
+ u8 res10[0x300];
+ fifoc512x_t fifoc; /* FIFO Controller */
+ u8 res11[0x2000];
+ dma512x_t dma; /* DMA */
+ u8 res12[0xa800];
+ sata512x_t sata; /* Serial ATA */
+ u8 res13[0xde000];
+} immap_t;
+#endif /* __IMMAP_512x__ */
diff --git a/include/common.h b/include/common.h
index 23f93907e..d823733b6 100644
--- a/include/common.h
+++ b/include/common.h
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2000-2004
+ * (C) Copyright 2000-2007
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
@@ -65,6 +65,9 @@ typedef volatile unsigned char vu_char;
#include <asm/5xx_immap.h>
#elif defined(CONFIG_MPC5xxx)
#include <mpc5xxx.h>
+#elif defined(CONFIG_MPC512X)
+#include <mpc512x.h>
+#include <asm/immap_512x.h>
#elif defined(CONFIG_MPC8220)
#include <asm/immap_8220.h>
#elif defined(CONFIG_8260)
@@ -448,6 +451,9 @@ int prt_8260_clks (void);
#elif defined(CONFIG_MPC5xxx)
int prt_mpc5xxx_clks (void);
#endif
+#if defined(CONFIG_MPC512x)
+int prt_mpc512xxx_clks (void);
+#endif
#if defined(CONFIG_MPC8220)
int prt_mpc8220_clks (void);
#endif
diff --git a/include/configs/ads5121.h b/include/configs/ads5121.h
new file mode 100644
index 000000000..a1b8eefa0
--- /dev/null
+++ b/include/configs/ads5121.h
@@ -0,0 +1,410 @@
+/*
+ * (C) Copyright 2007 DENX Software Engineering
+ *
+ * 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
+ */
+
+/*
+ * ADS5121 board configuration file
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define DEBUG
+#undef DEBUG
+
+/*
+ * Memory map for the ADS5121 board:
+ *
+ * 0x0000_0000 - 0x0FFF_FFFF DDR RAM (256 MB)
+ * 0x3000_0000 - 0x3001_FFFF SRAM (128 KB)
+ * 0x8000_0000 - 0x803F_FFFF IMMR (4 MB)
+ * 0x8200_0000 - 0x8200_001F CPLD (32 B)
+ * 0xFC00_0000 - 0xFFFF_FFFF NOR Boot FLASH (64 MB)
+ */
+
+/*
+ * High Level Configuration Options
+ */
+#define CONFIG_E300 1 /* E300 Family */
+#define CONFIG_MPC512X 1 /* MPC512X family */
+
+#undef CONFIG_PCI
+
+#define CFG_MPC512X_CLKIN 66000000 /* in Hz */
+
+#define CONFIG_BOARD_EARLY_INIT_F /* call board_early_init_f() */
+
+#define CFG_IMMR 0x80000000
+
+#define CFG_MEMTEST_START 0x00200000 /* memtest region */
+#define CFG_MEMTEST_END 0x00400000
+
+/*
+ * DDR Setup - manually set all parameters as there's no SPD etc.
+ */
+#define CFG_DDR_SIZE 256 /* MB */
+#define CFG_DDR_BASE 0x00000000 /* DDR is system memory*/
+#define CFG_SDRAM_BASE CFG_DDR_BASE
+
+/* DDR Controller Configuration
+
+SYS_CFG:
+ [31:31] MDDRC Soft Reset: Diabled
+ [30:30] DRAM CKE pin: Enabled
+ [29:29] DRAM CLK: Enabled
+ [28:28] Command Mode: Enabled (For initialization only)
+ [27:25] DRAM Row Select: dram_row[15:0] = magenta_address[25:10]
+ [24:21] DRAM Bank Select: dram_bank[1:0] = magenta_address[11:10]
+ [20:19] Read Test: DON'T USE
+ [18:18] Self Refresh: Enabled
+ [17:17] 16bit Mode: Disabled
+ [16:13] Ready Delay: 2
+ [12:12] Half DQS Delay: Disabled
+ [11:11] Quarter DQS Delay: Disabled
+ [10:08] Write Delay: 2
+ [07:07] Early ODT: Disabled
+ [06:06] On DIE Termination: Disabled
+ [05:05] FIFO Overflow Clear: DON'T USE here
+ [04:04] FIFO Underflow Clear: DON'T USE here
+ [03:03] FIFO Overflow Pending: DON'T USE here
+ [02:02] FIFO Underlfow Pending: DON'T USE here
+ [01:01] FIFO Overlfow Enabled: Enabled
+ [00:00] FIFO Underflow Enabled: Enabled
+ TIME_CFG0
+ [31:16] DRAM Refresh Time: 0 CSB clocks
+ [15:8] DRAM Command Time: 0 CSB clocks
+ [07:00] DRAM Precharge Time: 0 CSB clocks
+ TIME_CFG1
+ [31:26] DRAM tRFC:
+ [25:21] DRAM tWR1:
+ [20:17] DRAM tWRT1:
+ [16:11] DRAM tDRR:
+ [10:05] DRAM tRC:
+ [04:00] DRAM tRAS:
+ TIME_CFG2
+ [31:28] DRAM tRCD:
+ [27:23] DRAM tFAW:
+ [22:19] DRAM tRTW1:
+ [18:15] DRAM tCCD:
+ [14:10] DRAM tRTP:
+ [09:05] DRAM tRP:
+ [04:00] DRAM tRPA */
+
+#define CFG_MDDRC_SYS_CFG 0xF8604200
+#define CFG_MDDRC_SYS_CFG_RUN 0xE8604200
+#define CFG_MDDRC_SYS_CFG_EN 0x30000000
+#define CFG_MDDRC_TIME_CFG0 0x0000281E
+#define CFG_MDDRC_TIME_CFG0_RUN 0x01F4281E
+#define CFG_MDDRC_TIME_CFG1 0x54EC1168
+#define CFG_MDDRC_TIME_CFG2 0x35210864
+
+#define CFG_MICRON_NOP 0x01380000
+#define CFG_MICRON_PCHG_ALL 0x01100400
+#define CFG_MICRON_MR 0x01000022
+#define CFG_MICRON_EM2 0x01020000
+#define CFG_MICRON_EM3 0x01030000
+#define CFG_MICRON_EN_DLL 0x01010000
+#define CFG_MICRON_RST_DLL 0x01000932
+#define CFG_MICRON_RFSH 0x01080000
+#define CFG_MICRON_INIT_DEV_OP 0x01000832
+#define CFG_MICRON_OCD_DEFAULT 0x01010780
+#define CFG_MICRON_OCD_EXIT 0x01010400
+
+/* DDR Priority Manager Configuration */
+#define CFG_MDDRCGRP_PM_CFG1 0x000777AA
+#define CFG_MDDRCGRP_PM_CFG2 0x00000055
+#define CFG_MDDRCGRP_HIPRIO_CFG 0x00000000
+#define CFG_MDDRCGRP_LUT0_MU 0x11111117
+#define CFG_MDDRCGRP_LUT0_ML 0x7777777A
+#define CFG_MDDRCGRP_LUT1_MU 0x4444EEEE
+#define CFG_MDDRCGRP_LUT1_ML 0xEEEEEEEE
+#define CFG_MDDRCGRP_LUT2_MU 0x44444444
+#define CFG_MDDRCGRP_LUT2_ML 0x44444444
+#define CFG_MDDRCGRP_LUT3_MU 0x55555555
+#define CFG_MDDRCGRP_LUT3_ML 0x55555558
+#define CFG_MDDRCGRP_LUT4_MU 0x11111111
+#define CFG_MDDRCGRP_LUT4_ML 0x1111117C
+#define CFG_MDDRCGRP_LUT0_AU 0x33333377
+#define CFG_MDDRCGRP_LUT0_AL 0x7777EEEE
+#define CFG_MDDRCGRP_LUT1_AU 0x11111111
+#define CFG_MDDRCGRP_LUT1_AL 0x11111111
+#define CFG_MDDRCGRP_LUT2_AU 0x11111111
+#define CFG_MDDRCGRP_LUT2_AL 0x11111111
+#define CFG_MDDRCGRP_LUT3_AU 0x11111111
+#define CFG_MDDRCGRP_LUT3_AL 0x11111111
+#define CFG_MDDRCGRP_LUT4_AU 0x11111111
+#define CFG_MDDRCGRP_LUT4_AL 0x11111111
+
+/*
+ * NOR FLASH on the Local Bus
+ */
+#define CFG_FLASH_CFI /* use the Common Flash Interface */
+#define CFG_FLASH_CFI_DRIVER /* use the CFI driver */
+#define CFG_FLASH_BASE 0xFC000000 /* start of FLASH */
+#define CFG_FLASH_SIZE 0x04000000 /* max flash size in bytes */
+#define CFG_FLASH_USE_BUFFER_WRITE
+
+#define CFG_MAX_FLASH_BANKS 1 /* number of banks */
+#define CFG_FLASH_BANKS_LIST {CFG_FLASH_BASE}
+#define CFG_MAX_FLASH_SECT 256 /* max sectors per device */
+
+#undef CFG_FLASH_CHECKSUM
+
+/*
+ * CPLD registers area is really only 32 bytes in size, but the smallest possible LP
+ * window is 64KB
+ */
+#define CFG_CPLD_BASE 0x82000000
+#define CFG_CPLD_SIZE 0x00010000 /* 64 KB */
+
+#define CFG_SRAM_BASE 0x30000000
+#define CFG_SRAM_SIZE 0x00020000 /* 128 KB */
+
+#define CFG_CS0_CFG 0x05059310 /* ALE active low, data size 4bytes */
+#define CFG_CS2_CFG 0x05059010 /* ALE active low, data size 1byte */
+
+/* Use SRAM for initial stack */
+#define CFG_INIT_RAM_ADDR CFG_SRAM_BASE /* Initial RAM address */
+#define CFG_INIT_RAM_END CFG_SRAM_SIZE /* End of used area in RAM */
+
+#define CFG_GBL_DATA_SIZE 0x100 /* num bytes initial data */
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
+
+#define CFG_MONITOR_BASE TEXT_BASE /* Start of monitor */
+#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
+#define CFG_MALLOC_LEN (512 * 1024) /* Reserved for malloc */
+
+/*
+ * Serial Port
+ */
+#define CONFIG_CONS_INDEX 1
+#undef CONFIG_SERIAL_SOFTWARE_FIFO
+
+/*
+ * Serial console configuration
+ */
+#define CONFIG_PSC_CONSOLE 3 /* console is on PSC3 */
+#if CONFIG_PSC_CONSOLE != 3
+#error CONFIG_PSC_CONSOLE must be 3
+#endif
+#define CONFIG_BAUDRATE 115200 /* ... at 115200 bps */
+#define CFG_BAUDRATE_TABLE \
+ {300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
+
+#define CONSOLE_FIFO_TX_SIZE FIFOC_PSC3_TX_SIZE
+#define CONSOLE_FIFO_TX_ADDR FIFOC_PSC3_TX_ADDR
+#define CONSOLE_FIFO_RX_SIZE FIFOC_PSC3_RX_SIZE
+#define CONSOLE_FIFO_RX_ADDR FIFOC_PSC3_RX_ADDR
+
+#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
+/* Use the HUSH parser */
+#define CFG_HUSH_PARSER
+#ifdef CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2 "> "
+#endif
+
+/* I2C */
+#define CONFIG_HARD_I2C /* I2C with hardware support */
+#undef CONFIG_SOFT_I2C /* so disable bit-banged I2C */
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_I2C_CMD_TREE
+#define CFG_I2C_SPEED 100000 /* I2C speed and slave address */
+#define CFG_I2C_SLAVE 0x7F
+#if 0
+#define CFG_I2C_NOPROBES {{0,0x69}} * Don't probe these addrs */
+#endif
+
+/*
+ * Ethernet configuration
+ */
+#define CONFIG_MPC512x_FEC 1
+#define CONFIG_NET_MULTI
+#define CONFIG_PHY_ADDR 0x1
+#define CONFIG_MII 1 /* MII PHY management */
+#define CONFIG_ETHADDR 00:e0:5e:00:e5:14
+
+#if 0
+/*
+ * Configure on-board RTC
+ */
+#define CONFIG_RTC_DS1374 /* use ds1374 rtc via i2c */
+#define CFG_I2C_RTC_ADDR 0x68 /* at address 0x68 */
+#endif
+
+/*
+ * Environment
+ */
+#define CFG_ENV_IS_IN_FLASH 1
+/* This has to be a multiple of the Flash sector size */
+#define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
+#define CFG_ENV_SIZE 0x2000
+#define CFG_ENV_SECT_SIZE 0x40000 /* one sector (256K) for env */
+
+/* Address and size of Redundant Environment Sector */
+#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR + CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
+
+#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
+#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
+
+#if defined(CONFIG_PCI)
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL \
+ | CFG_CMD_PCI \
+ | CFG_CMD_NET \
+ | CFG_CMD_PING \
+ )
+#else
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL \
+ | CFG_CMD_NET \
+ | CFG_CMD_PING \
+ | CFG_CMD_MII \
+ | CFG_CMD_I2C)
+#endif
+
+#include <cmd_confdefs.h>
+
+/*
+ * Watchdog timeout = CFG_WATCHDOG_VALUE * 65536 / IPS clock.
+ * For example, when IPS is set to 66MHz and CFG_WATCHDOG_VALUE is set
+ * to 0xFFFF, watchdog timeouts after about 64s. For details refer
+ * to chapter 36 of the MPC5121e Reference Manual.
+ */
+#define CONFIG_WATCHDOG /* enable watchdog */
+#define CFG_WATCHDOG_VALUE 0xFFFF
+
+ /*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_LOAD_ADDR 0x2000000 /* default load address */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+ #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+ #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+
+
+#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+#define CFG_HZ 1000 /* decrementer freq: 1ms ticks */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/
+
+/* Cache Configuration */
+#define CFG_DCACHE_SIZE 32768
+#define CFG_CACHELINE_SIZE 32
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/
+#endif
+
+#define CFG_HID0_INIT 0x000000000
+#define CFG_HID0_FINAL HID0_ENABLE_MACHINE_CHECK
+#define CFG_HID2 HID2_HBE
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE 230400 /* speed of kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
+#endif
+
+/*
+ * Environment Configuration
+ */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_HOSTNAME ads5121
+#define CONFIG_ROOTPATH /nfsroot/rootfs
+#define CONFIG_BOOTFILE uImage
+
+#define CONFIG_IPADDR 192.168.160.77
+#define CONFIG_SERVERIP 192.168.1.1
+#define CONFIG_GATEWAYIP 192.168.1.1
+#define CONFIG_NETMASK 255.255.0.0
+
+#define CONFIG_LOADADDR 200000 /* default location for tftp and bootm */
+
+//#define CONFIG_BOOTDELAY 6 /* -1 disables auto-boot */
+#define CONFIG_BOOTDELAY -1
+#undef CONFIG_BOOTARGS /* the boot command will set bootargs */
+
+#define CONFIG_BAUDRATE 115200
+
+#define CONFIG_PREBOOT "echo;" \
+ "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
+ "echo"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "netdev=eth0\0" \
+ "nfsargs=setenv bootargs root=/dev/nfs rw " \
+ "nfsroot=${serverip}:${rootpath}\0" \
+ "ramargs=setenv bootargs root=/dev/ram rw\0" \
+ "addip=setenv bootargs ${bootargs} " \
+ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
+ ":${hostname}:${netdev}:off panic=1\0" \
+ "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
+ "flash_nfs=run nfsargs addip addtty;" \
+ "bootm ${kernel_addr}\0" \
+ "flash_self=run ramargs addip addtty;" \
+ "bootm ${kernel_addr} ${ramdisk_addr}\0" \
+ "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
+ "bootm\0" \
+ "load=tftp 100000 /tftpboot/ads5121/u-boot.bin\0" \
+ "update=protect off fff00000 fff3ffff; " \
+ "era fff00000 fff3ffff; cp.b 100000 fff00000 ${filesize}\0" \
+ "upd=run load;run update\0" \
+ ""
+
+#define CONFIG_NFSBOOTCOMMAND \
+ "setenv bootargs root=/dev/nfs rw " \
+ "nfsroot=$serverip:$rootpath " \
+ "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
+ "console=$consoledev,$baudrate $othbootargs;" \
+ "tftp $loadaddr $bootfile;" \
+ "tftp $fdtaddr $fdtfile;" \
+ "bootm $loadaddr - $fdtaddr"
+
+#define CONFIG_RAMBOOTCOMMAND \
+ "setenv bootargs root=/dev/ram rw " \
+ "console=$consoledev,$baudrate $othbootargs;" \
+ "tftp $ramdiskaddr $ramdiskfile;" \
+ "tftp $loadaddr $bootfile;" \
+ "tftp $fdtaddr $fdtfile;" \
+ "bootm $loadaddr $ramdiskaddr $fdtaddr"
+
+#define CONFIG_BOOTCOMMAND "run flash_self"
+
+#endif /* __CONFIG_H */
diff --git a/include/mpc512x.h b/include/mpc512x.h
new file mode 100644
index 000000000..03e0e9a14
--- /dev/null
+++ b/include/mpc512x.h
@@ -0,0 +1,398 @@
+/*
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
+ * (C) Copyright 2007 DENX Software Engineering
+ *
+ * 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.
+ *
+ * Derived from the MPC83xx header.
+ */
+
+#ifndef __MPC512X_H__
+#define __MPC512X_H__
+
+#include <config.h>
+#if defined(CONFIG_E300)
+#include <asm/e300.h>
+#endif
+
+/* System reset offset (PowerPC standard)
+ */
+#define EXC_OFF_SYS_RESET 0x0100
+#define _START_OFFSET EXC_OFF_SYS_RESET
+
+
+/* IMMRBAR - Internal Memory Register Base Address
+ */
+#define CONFIG_DEFAULT_IMMR 0xFF400000 /* Default IMMR base address */
+#define IMMRBAR 0x0000 /* Register offset to immr */
+#define IMMRBAR_BASE_ADDR 0xFFF00000 /* Base address mask */
+#define IMMRBAR_RES ~(IMMRBAR_BASE_ADDR)
+
+/* LAWBAR - Local Access Window Base Address Register
+ */
+#define LPBAW 0x0020 /* Register offset to immr */
+#define LPCS0AW 0x0024
+#define LPCS1AW 0x0028
+#define LPCS2AW 0x002C
+#define LPCS3AW 0x0030
+#define LPCS4AW 0x0034
+#define LPCS5AW 0x0038
+#define LPCS6AW 0x003C
+#define LPCA7AW 0x0040
+#define SRAMBAR 0x00C4
+
+#define LPC_OFFSET 0x10000
+
+#define CS0_CONFIG 0x00000
+#define CS1_CONFIG 0x00004
+#define CS2_CONFIG 0x00008
+#define CS3_CONFIG 0x0000C
+#define CS4_CONFIG 0x00010
+#define CS5_CONFIG 0x00014
+#define CS6_CONFIG 0x00018
+#define CS7_CONFIG 0x0001C
+
+#define CS_CTRL 0x00020
+#define CS_CTRL_ME 0x01000000 /* CS Master Enable bit */
+#define CS_CTRL_IE 0x08000000 /* CS Interrupt Enable bit */
+
+/* SPRIDR - System Part and Revision ID Register
+ */
+#define SPRIDR_PARTID 0xFFFF0000 /* Part Identification */
+#define SPRIDR_REVID 0x0000FFFF /* Revision Identification */
+
+#define SPR_5121E 0x80180000
+
+/* SPCR - System Priority Configuration Register
+ */
+#define SPCR_PCIHPE 0x10000000 /* PCI Highest Priority Enable */
+#define SPCR_PCIHPE_SHIFT (31-3)
+#define SPCR_PCIPR 0x03000000 /* PCI bridge system bus request priority */
+#define SPCR_PCIPR_SHIFT (31-7)
+#define SPCR_TBEN 0x00400000 /* E300 PowerPC core time base unit enable */
+#define SPCR_TBEN_SHIFT (31-9)
+#define SPCR_COREPR 0x00300000 /* E300 PowerPC Core system bus request priority */
+#define SPCR_COREPR_SHIFT (31-11)
+
+/* SWCRR - System Watchdog Control Register
+ */
+#define SWCRR 0x0904 /* Register offset to immr */
+#define SWCRR_SWTC 0xFFFF0000 /* Software Watchdog Time Count */
+#define SWCRR_SWEN 0x00000004 /* Watchdog Enable bit */
+#define SWCRR_SWRI 0x00000002 /* Software Watchdog Reset/Interrupt Select bit */
+#define SWCRR_SWPR 0x00000001 /* Software Watchdog Counter Prescale bit */
+#define SWCRR_RES ~(SWCRR_SWTC | SWCRR_SWEN | SWCRR_SWRI | SWCRR_SWPR)
+
+/* SWCNR - System Watchdog Counter Register
+ */
+#define SWCNR 0x0908 /* Register offset to immr */
+#define SWCNR_SWCN 0x0000FFFF /* Software Watchdog Count mask */
+#define SWCNR_RES ~(SWCNR_SWCN)
+
+/* SWSRR - System Watchdog Service Register
+ */
+#define SWSRR 0x090E /* Register offset to immr */
+
+/* ACR - Arbiter Configuration Register
+ */
+#define ACR_COREDIS 0x10000000 /* Core disable */
+#define ACR_COREDIS_SHIFT (31-7)
+#define ACR_PIPE_DEP 0x00070000 /* Pipeline depth */
+#define ACR_PIPE_DEP_SHIFT (31-15)
+#define ACR_PCI_RPTCNT 0x00007000 /* PCI repeat count */
+#define ACR_PCI_RPTCNT_SHIFT (31-19)
+#define ACR_RPTCNT 0x00000700 /* Repeat count */
+#define ACR_RPTCNT_SHIFT (31-23)
+#define ACR_APARK 0x00000030 /* Address parking */
+#define ACR_APARK_SHIFT (31-27)
+#define ACR_PARKM 0x0000000F /* Parking master */
+#define ACR_PARKM_SHIFT (31-31)
+
+/* ATR - Arbiter Timers Register
+ */
+#define ATR_DTO 0x00FF0000 /* Data time out */
+#define ATR_ATO 0x000000FF /* Address time out */
+
+/* AER - Arbiter Event Register
+ */
+#define AER_ETEA 0x00000020 /* Transfer error */
+#define AER_RES 0x00000010 /* Reserved transfer type */
+#define AER_ECW 0x00000008 /* External control word transfer type */
+#define AER_AO 0x00000004 /* Address Only transfer type */
+#define AER_DTO 0x00000002 /* Data time out */
+#define AER_ATO 0x00000001 /* Address time out */
+
+/* AEATR - Arbiter Event Address Register
+ */
+#define AEATR_EVENT 0x07000000 /* Event type */
+#define AEATR_MSTR_ID 0x001F0000 /* Master Id */
+#define AEATR_TBST 0x00000800 /* Transfer burst */
+#define AEATR_TSIZE 0x00000700 /* Transfer Size */
+#define AEATR_TTYPE 0x0000001F /* Transfer Type */
+
+/* RSR - Reset Status Register
+ */
+#define RSR_SWSR 0x00002000 /* software soft reset */
+#define RSR_SWSR_SHIFT 13
+#define RSR_SWHR 0x00001000 /* software hard reset */
+#define RSR_SWHR_SHIFT 12
+#define RSR_JHRS 0x00000200 /* jtag hreset */
+#define RSR_JHRS_SHIFT 9
+#define RSR_JSRS 0x00000100 /* jtag sreset status */
+#define RSR_JSRS_SHIFT 8
+#define RSR_CSHR 0x00000010 /* checkstop reset status */
+#define RSR_CSHR_SHIFT 4
+#define RSR_SWRS 0x00000008 /* software watchdog reset status */
+#define RSR_SWRS_SHIFT 3
+#define RSR_BMRS 0x00000004 /* bus monitop reset status */
+#define RSR_BMRS_SHIFT 2
+#define RSR_SRS 0x00000002 /* soft reset status */
+#define RSR_SRS_SHIFT 1
+#define RSR_HRS 0x00000001 /* hard reset status */
+#define RSR_HRS_SHIFT 0
+#define RSR_RES ~(RSR_SWSR | RSR_SWHR |\
+ RSR_JHRS | RSR_JSRS | RSR_CSHR | RSR_SWRS |\
+ RSR_BMRS | RSR_SRS | RSR_HRS)
+/* RMR - Reset Mode Register
+ */
+#define RMR_CSRE 0x00000001 /* checkstop reset enable */
+#define RMR_CSRE_SHIFT 0
+#define RMR_RES ~(RMR_CSRE)
+
+/* RCR - Reset Control Register
+ */
+#define RCR_SWHR 0x00000002 /* software hard reset */
+#define RCR_SWSR 0x00000001 /* software soft reset */
+#define RCR_RES ~(RCR_SWHR | RCR_SWSR)
+
+/* RCER - Reset Control Enable Register
+ */
+#define RCER_CRE 0x00000001 /* software hard reset */
+#define RCER_RES ~(RCER_CRE)
+
+/* SPMR - System PLL Mode Register
+ */
+#define SPMR_SPMF 0x0F000000
+#define SPMR_SPMF_SHIFT 24
+#define SPMR_CPMF 0x000F0000
+#define SPMR_CPMF_SHIFT 16
+
+/* SCFR1 System Clock Frequency Register 1
+ */
+#define SCFR1_IPS_DIV 0x2
+#define SCFR1_IPS_DIV_MASK 0x03800000
+#define SCFR1_IPS_DIV_SHIFT 23
+
+/* SCFR2 System Clock Frequency Register 2
+ */
+#define SCFR2_SYS_DIV 0xFC000000
+#define SCFR2_SYS_DIV_SHIFT 26
+
+/* SCCR - System Clock Control Registers
+ */
+
+/* System Clock Control Register 1 commands */
+#define CLOCK_SCCR1_CFG_EN 0x80000000
+#define CLOCK_SCCR1_LPC_EN 0x40000000
+#define CLOCK_SCCR1_NFC_EN 0x20000000
+#define CLOCK_SCCR1_PATA_EN 0x10000000
+#define CLOCK_SCCR1_PSC_EN(cn) (0x08000000 >> (cn))
+#define CLOCK_SCCR1_PSCFIFO_EN 0x00008000
+#define CLOCK_SCCR1_SATA_EN 0x00004000
+#define CLOCK_SCCR1_FEC_EN 0x00002000
+#define CLOCK_SCCR1_TPR_EN 0x00001000
+#define CLOCK_SCCR1_PCI_EN 0x00000800
+#define CLOCK_SCCR1_DDR_EN 0x00000400
+
+/* System Clock Control Register 2 commands */
+#define CLOCK_SCCR2_DIU_EN 0x80000000
+#define CLOCK_SCCR2_AXE_EN 0x40000000
+#define CLOCK_SCCR2_MEM_EN 0x20000000
+#define CLOCK_SCCR2_USB2_EN 0x10000000
+#define CLOCK_SCCR2_USB1_EN 0x08000000
+#define CLOCK_SCCR2_I2C_EN 0x04000000
+#define CLOCK_SCCR2_BDLC_EN 0x02000000
+#define CLOCK_SCCR2_SDHC_EN 0x01000000
+#define CLOCK_SCCR2_SPDIF_EN 0x00800000
+#define CLOCK_SCCR2_MBX_BUS_EN 0x00400000
+#define CLOCK_SCCR2_MBX_EN 0x00200000
+#define CLOCK_SCCR2_MBX_3D_EN 0x00100000
+#define CLOCK_SCCR2_IIM_EN 0x00080000
+
+/* PSC FIFO Command values */
+#define PSC_FIFO_RESET_SLICE 0x80
+#define PSC_FIFO_ENABLE_SLICE 0x01
+
+/* PSC FIFO Controller Command values */
+#define FIFOC_ENABLE_CLOCK_GATE 0x01
+#define FIFOC_DISABLE_CLOCK_GATE 0x00
+
+/* PSC FIFO status */
+#define PSC_FIFO_EMPTY 0x01
+
+/* PSC Command values */
+#define PSC_RX_ENABLE 0x01
+#define PSC_RX_DISABLE 0x02
+#define PSC_TX_ENABLE 0x04
+#define PSC_TX_DISABLE 0x08
+#define PSC_SEL_MODE_REG_1 0x10
+#define PSC_RST_RX 0x20
+#define PSC_RST_TX 0x30
+#define PSC_RST_ERR_STAT 0x40
+#define PSC_RST_BRK_CHG_INT 0x50
+#define PSC_START_BRK 0x60
+#define PSC_STOP_BRK 0x70
+
+/* PSC status register bits */
+#define PSC_SR_CDE 0x0080
+#define PSC_SR_TXEMP 0x0800
+#define PSC_SR_OE 0x1000
+#define PSC_SR_PE 0x2000
+#define PSC_SR_FE 0x4000
+#define PSC_SR_RB 0x8000
+
+/* PSC mode fields */
+#define PSC_MODE_5_BITS 0x00
+#define PSC_MODE_6_BITS 0x01
+#define PSC_MODE_7_BITS 0x02
+#define PSC_MODE_8_BITS 0x03
+#define PSC_MODE_PAREVEN 0x00
+#define PSC_MODE_PARODD 0x04
+#define PSC_MODE_PARFORCE 0x08
+#define PSC_MODE_PARNONE 0x10
+#define PSC_MODE_ENTIMEOUT 0x20
+#define PSC_MODE_RXRTS 0x80
+#define PSC_MODE_1_STOPBIT 0x07
+
+/*
+ * Centralized FIFO Controller has internal memory for all 12 PSCs FIFOs
+ *
+ * NOTE: individual PSC units are free to use whatever area (and size) of the
+ * FIFOC internal memory, so make sure memory areas for FIFO slices used by
+ * different PSCs do not overlap!
+ *
+ * Overall size of FIFOC memory is not documented in the MPC5121e RM, but
+ * tests indicate that it is 1024 words total.
+ */
+#define FIFOC_PSC0_TX_SIZE 0x0 /* number of 4-byte words for FIFO slice */
+#define FIFOC_PSC0_TX_ADDR 0x0
+#define FIFOC_PSC0_RX_SIZE 0x0
+#define FIFOC_PSC0_RX_ADDR 0x0
+
+#define FIFOC_PSC1_TX_SIZE 0x0
+#define FIFOC_PSC1_TX_ADDR 0x0
+#define FIFOC_PSC1_RX_SIZE 0x0
+#define FIFOC_PSC1_RX_ADDR 0x0
+
+#define FIFOC_PSC2_TX_SIZE 0x0
+#define FIFOC_PSC2_TX_ADDR 0x0
+#define FIFOC_PSC2_RX_SIZE 0x0
+#define FIFOC_PSC2_RX_ADDR 0x0
+
+#define FIFOC_PSC3_TX_SIZE 0x04
+#define FIFOC_PSC3_TX_ADDR 0x0
+#define FIFOC_PSC3_RX_SIZE 0x04
+#define FIFOC_PSC3_RX_ADDR 0x10
+
+#define FIFOC_PSC4_TX_SIZE 0x0
+#define FIFOC_PSC4_TX_ADDR 0x0
+#define FIFOC_PSC4_RX_SIZE 0x0
+#define FIFOC_PSC4_RX_ADDR 0x0
+
+#define FIFOC_PSC5_TX_SIZE 0x0
+#define FIFOC_PSC5_TX_ADDR 0x0
+#define FIFOC_PSC5_RX_SIZE 0x0
+#define FIFOC_PSC5_RX_ADDR 0x0
+
+#define FIFOC_PSC6_TX_SIZE 0x0
+#define FIFOC_PSC6_TX_ADDR 0x0
+#define FIFOC_PSC6_RX_SIZE 0x0
+#define FIFOC_PSC6_RX_ADDR 0x0
+
+#define FIFOC_PSC7_TX_SIZE 0x0
+#define FIFOC_PSC7_TX_ADDR 0x0
+#define FIFOC_PSC7_RX_SIZE 0x0
+#define FIFOC_PSC7_RX_ADDR 0x0
+
+#define FIFOC_PSC8_TX_SIZE 0x0
+#define FIFOC_PSC8_TX_ADDR 0x0
+#define FIFOC_PSC8_RX_SIZE 0x0
+#define FIFOC_PSC8_RX_ADDR 0x0
+
+#define FIFOC_PSC9_TX_SIZE 0x0
+#define FIFOC_PSC9_TX_ADDR 0x0
+#define FIFOC_PSC9_RX_SIZE 0x0
+#define FIFOC_PSC9_RX_ADDR 0x0
+
+#define FIFOC_PSC10_TX_SIZE 0x0
+#define FIFOC_PSC10_TX_ADDR 0x0
+#define FIFOC_PSC10_RX_SIZE 0x0
+#define FIFOC_PSC10_RX_ADDR 0x0
+
+#define FIFOC_PSC11_TX_SIZE 0x0
+#define FIFOC_PSC11_TX_ADDR 0x0
+#define FIFOC_PSC11_RX_SIZE 0x0
+#define FIFOC_PSC11_RX_ADDR 0x0
+
+/* IO Control Register
+ */
+
+/* Indexes in regs array */
+#define MEM_IDX 0x00
+#define SPDIF_TXCLOCK_IDX 0x73
+#define SPDIF_TX_IDX 0x74
+#define SPDIF_RX_IDX 0x75
+#define PSC0_0_IDX 0x83
+#define PSC0_1_IDX 0x84
+#define PSC0_2_IDX 0x85
+#define PSC0_3_IDX 0x86
+#define PSC0_4_IDX 0x87
+#define PSC1_0_IDX 0x88
+#define PSC1_1_IDX 0x89
+#define PSC1_2_IDX 0x8a
+#define PSC1_3_IDX 0x8b
+#define PSC1_4_IDX 0x8c
+#define PSC2_0_IDX 0x8d
+#define PSC2_1_IDX 0x8e
+#define PSC2_2_IDX 0x8f
+#define PSC2_3_IDX 0x90
+#define PSC2_4_IDX 0x91
+
+#define IOCTRL_FUNCMUX_SHIFT 7
+#define IOCTRL_FUNCMUX_FEC 1
+#define IOCTRL_MUX_FEC (IOCTRL_FUNCMUX_FEC << IOCTRL_FUNCMUX_SHIFT)
+
+/* Set for DDR */
+#define IOCTRL_MUX_DDR 0x00000036
+
+ /* Register Offset Base */
+#define MPC512X_FEC (CFG_IMMR + 0x02800)
+
+/* Number of I2C buses */
+#define I2C_BUS_CNT 3
+
+/* I2Cn control register bits */
+#define I2C_EN 0x80
+#define I2C_IEN 0x40
+#define I2C_STA 0x20
+#define I2C_TX 0x10
+#define I2C_TXAK 0x08
+#define I2C_RSTA 0x04
+#define I2C_INIT_MASK (I2C_EN | I2C_STA | I2C_TX | I2C_RSTA)
+
+/* I2Cn status register bits */
+#define I2C_CF 0x80
+#define I2C_AAS 0x40
+#define I2C_BB 0x20
+#define I2C_AL 0x10
+#define I2C_SRW 0x04
+#define I2C_IF 0x02
+#define I2C_RXAK 0x01
+
+#endif /* __MPC512X_H__ */
diff --git a/net/eth.c b/net/eth.c
index 9fb3a10ed..68e2c54b2 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -40,6 +40,7 @@ extern int eth_3com_initialize(bd_t*);
extern int fec_initialize(bd_t*);
extern int inca_switch_initialize(bd_t*);
extern int mpc5xxx_fec_initialize(bd_t*);
+extern int mpc512x_fec_initialize(bd_t*);
extern int mpc8220_fec_initialize(bd_t*);
extern int mv6436x_eth_initialize(bd_t *);
extern int mv6446x_eth_initialize(bd_t *);
@@ -168,6 +169,9 @@ int eth_initialize(bd_t *bis)
#if defined(CONFIG_MPC5xxx_FEC)
mpc5xxx_fec_initialize(bis);
#endif
+#if defined(CONFIG_MPC512x_FEC)
+ mpc512x_fec_initialize (bis);
+#endif
#if defined(CONFIG_MPC8220_FEC)
mpc8220_fec_initialize(bis);
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 20:21:40 +0000