add MPC8343 based board mvBlueLYNX-M7 (board+make files)

Add MPC8343 based board mvBlueLYNX-M7. It's a single board stereo camera system. Please read doc/README.mvblm7 for details. Signed-off-by: Andre Schwarz <andre.schwarz@matrix-vision.de> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
2008-06-10 09:14:05 +02:00 · 2008-06-10 09:14:05 +02:00 · a1293e549b
parent c005b93925
commit a1293e549b
10 changed files with 679 additions and 0 deletions
--- a/1
+++ b/1
@ -331,6 +331,7 @@ LIST_83xx="		\
 	MPC8360ERDK_66	\
 	MPC837XEMDS	\
 	MPC837XERDB	\
+	MVBLM7		\
 	sbc8349		\
 	TQM834x		\
 "
--- a/3
+++ b/3
@ -2107,6 +2107,9 @@ MPC837XEMDS_HOST_config:	unconfig
 MPC837XERDB_config:	unconfig
 	@$(MKCONFIG) -a MPC837XERDB ppc mpc83xx mpc837xerdb freescale

+MVBLM7_config: unconfig
+	@$(MKCONFIG) $(@:_config=) ppc mpc83xx mvblm7
+
 sbc8349_config:		unconfig
 	@$(MKCONFIG) $(@:_config=) ppc mpc83xx sbc8349

--- a/board/mvblm7/Makefile
+++ b/board/mvblm7/Makefile
@ -0,0 +1,48 @@
+#
+# Copyright (C) Freescale Semiconductor, Inc. 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	:= $(BOARD).o pci.o fpga.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
+
+#########################################################################
+
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- a/board/mvblm7/config.mk
+++ b/board/mvblm7/config.mk
@ -0,0 +1,25 @@
+#
+# Copyright (C) Freescale Semiconductor, Inc. 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
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+TEXT_BASE  = 0xFFF00000
--- a/board/mvblm7/fpga.c
+++ b/board/mvblm7/fpga.c
@ -0,0 +1,188 @@
+/*
+ * (C) Copyright 2002
+ * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
+ * Keith Outwater, keith_outwater@mvis.com.
+ *
+ * (C) Copyright 2008
+ * Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.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 <common.h>
+#include <ACEX1K.h>
+#include <command.h>
+#include "fpga.h"
+#include "mvblm7.h"
+
+#ifdef FPGA_DEBUG
+#define fpga_debug(fmt, args...)      printf("%s: "fmt, __func__, ##args)
+#else
+#define fpga_debug(fmt, args...)
+#endif
+
+Altera_CYC2_Passive_Serial_fns altera_fns = {
+	fpga_null_fn,
+	fpga_config_fn,
+	fpga_status_fn,
+	fpga_done_fn,
+	fpga_wr_fn,
+	fpga_null_fn,
+	fpga_null_fn,
+	0
+};
+
+Altera_desc cyclone2 = {
+	Altera_CYC2,
+	passive_serial,
+	Altera_EP2C20_SIZE,
+	(void *) &altera_fns,
+	NULL,
+	0
+};
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int mvblm7_init_fpga(void)
+{
+	fpga_debug("Initialize FPGA interface (reloc 0x%.8lx)\n",
+		gd->reloc_off);
+	fpga_init(gd->reloc_off);
+	fpga_add(fpga_altera, &cyclone2);
+	fpga_config_fn(0, 1, 0);
+	udelay(60);
+
+	return 1;
+}
+
+int fpga_null_fn(int cookie)
+{
+	return 0;
+}
+
+int fpga_config_fn(int assert, int flush, int cookie)
+{
+	volatile immap_t *im = (volatile immap_t *)CFG_IMMR;
+	volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)&im->gpio[0];
+	u32 dvo = gpio->dat;
+
+	fpga_debug("SET config : %s\n", assert ? "low" : "high");
+	if (assert)
+		dvo |= FPGA_CONFIG;
+	else
+		dvo &= ~FPGA_CONFIG;
+
+	if (flush)
+		gpio->dat = dvo;
+
+	return assert;
+}
+
+int fpga_done_fn(int cookie)
+{
+	volatile immap_t *im = (volatile immap_t *)CFG_IMMR;
+	volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)&im->gpio[0];
+	int result = 0;
+
+	udelay(10);
+	fpga_debug("CONF_DONE check ... ");
+	if (gpio->dat & FPGA_CONF_DONE)  {
+		fpga_debug("high\n");
+		result = 1;
+	} else
+		fpga_debug("low\n");
+
+	return result;
+}
+
+int fpga_status_fn(int cookie)
+{
+	volatile immap_t *im = (volatile immap_t *)CFG_IMMR;
+	volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)&im->gpio[0];
+	int result = 0;
+
+	fpga_debug("STATUS check ... ");
+	if (gpio->dat & FPGA_STATUS)  {
+		fpga_debug("high\n");
+		result = 1;
+	} else
+		fpga_debug("low\n");
+
+	return result;
+}
+
+int fpga_clk_fn(int assert_clk, int flush, int cookie)
+{
+	volatile immap_t *im = (volatile immap_t *)CFG_IMMR;
+	volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)&im->gpio[0];
+	u32 dvo = gpio->dat;
+
+	fpga_debug("CLOCK %s\n", assert_clk ? "high" : "low");
+	if (assert_clk)
+		dvo |= FPGA_CCLK;
+	else
+		dvo &= ~FPGA_CCLK;
+
+	if (flush)
+		gpio->dat = dvo;
+
+	return assert_clk;
+}
+
+static inline int _write_fpga(u8 val, int dump)
+{
+	volatile immap_t *im = (volatile immap_t *)CFG_IMMR;
+	volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)&im->gpio[0];
+	int i;
+	u32 dvo = gpio->dat;
+
+	if (dump)
+		fpga_debug("  %02x -> ", val);
+	for (i = 0; i < 8; i++) {
+		dvo &= ~FPGA_CCLK;
+		gpio->dat = dvo;
+		dvo &= ~FPGA_DIN;
+		if (dump)
+			fpga_debug("%d ", val&1);
+		if (val & 1)
+			dvo |= FPGA_DIN;
+		gpio->dat = dvo;
+		dvo |= FPGA_CCLK;
+		gpio->dat = dvo;
+		val >>= 1;
+	}
+	if (dump)
+		fpga_debug("\n");
+
+	return 0;
+}
+
+int fpga_wr_fn(void *buf, size_t len, int flush, int cookie)
+{
+	unsigned char *data = (unsigned char *) buf;
+	int i;
+
+	fpga_debug("fpga_wr: buf %p / size %d\n", buf, len);
+	for (i = 0; i < len; i++)
+		_write_fpga(data[i], 0);
+	fpga_debug("\n");
+
+	return FPGA_SUCCESS;
+}
--- a/board/mvblm7/fpga.h
+++ b/board/mvblm7/fpga.h
@ -0,0 +1,34 @@
+/*
+ * (C) Copyright 2002
+ * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
+ * Keith Outwater, keith_outwater@mvis.com.
+ *
+ * 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
+ *
+ */
+
+extern int mvblm7_init_fpga(void);
+
+extern int fpga_pgm_fn(int assert_pgm, int flush, int cookie);
+extern int fpga_status_fn(int cookie);
+extern int fpga_config_fn(int assert, int flush, int cookie);
+extern int fpga_done_fn(int cookie);
+extern int fpga_clk_fn(int assert_clk, int flush, int cookie);
+extern int fpga_wr_fn(void *buf, size_t len, int flush, int cookie);
+extern int fpga_null_fn(int cookie);
--- a/board/mvblm7/mvblm7.c
+++ b/board/mvblm7/mvblm7.c
@ -0,0 +1,157 @@
+/*
+ * Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved.
+ *
+ * (C) Copyright 2008
+ * Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.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 <common.h>
+#include <ioports.h>
+#include <mpc83xx.h>
+#include <asm/mpc8349_pci.h>
+#include <pci.h>
+#include <spi.h>
+#include <asm/mmu.h>
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#endif
+
+#include "mvblm7.h"
+
+int fixed_sdram(void)
+{
+	volatile immap_t *im = (immap_t *)CFG_IMMR;
+	u32 msize = 0;
+	u32 ddr_size;
+	u32 ddr_size_log2;
+
+	msize = CFG_DDR_SIZE;
+	for (ddr_size = msize << 20, ddr_size_log2 = 0;
+		(ddr_size > 1);
+		ddr_size = ddr_size >> 1, ddr_size_log2++) {
+		if (ddr_size & 1)
+			return -1;
+	}
+	im->sysconf.ddrlaw[0].bar = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff);
+	im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) &
+		LAWAR_SIZE);
+
+	im->ddr.csbnds[0].csbnds = CFG_DDR_CS0_BNDS;
+	im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG;
+	im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0;
+	im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
+	im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
+	im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3;
+	im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG;
+	im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2;
+	im->ddr.sdram_mode = CFG_DDR_MODE;
+	im->ddr.sdram_interval = CFG_DDR_INTERVAL;
+	im->ddr.sdram_clk_cntl = CFG_DDR_CLK_CNTL;
+
+	udelay(300);
+
+	im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
+
+	return CFG_DDR_SIZE;
+}
+
+long int initdram(int board_type)
+{
+	volatile immap_t *im = (immap_t *) CFG_IMMR;
+	u32 msize = 0;
+
+	if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
+		return -1;
+
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;
+	msize = fixed_sdram();
+
+	/* return total bus RAM size(bytes) */
+	return msize * 1024 * 1024;
+}
+
+int checkboard(void)
+{
+	puts("Board: Matrix Vision mvBlueLYNX-M7 " MV_VERSION "\n");
+
+	return 0;
+}
+
+u8 *dhcp_vendorex_prep(u8 *e)
+{
+	char *ptr;
+
+	/* DHCP vendor-class-identifier = 60 */
+	ptr = getenv("dhcp_vendor-class-identifier");
+	if (ptr) {
+		*e++ = 60;
+		*e++ = strlen(ptr);
+		while (*ptr)
+			*e++ = *ptr++;
+	}
+	/* DHCP_CLIENT_IDENTIFIER = 61 */
+	ptr = getenv("dhcp_client_id");
+	if (ptr) {
+		*e++ = 61;
+		*e++ = strlen(ptr);
+		while (*ptr)
+			*e++ = *ptr++;
+	}
+
+	return e;
+}
+
+u8 *dhcp_vendorex_proc(u8 *popt)
+{
+	return NULL;
+}
+
+#ifdef CONFIG_HARD_SPI
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+        return bus == 0 && cs == 0;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+        volatile gpio83xx_t *iopd = &((immap_t *)CFG_IMMR)->gpio[0];
+
+        iopd->dat &= ~MVBLM7_MMC_CS;
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+        volatile gpio83xx_t *iopd = &((immap_t *)CFG_IMMR)->gpio[0];
+
+        iopd->dat |= ~MVBLM7_MMC_CS;
+}
+#endif
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+	ft_cpu_setup(blob, bd);
+#ifdef CONFIG_PCI
+	ft_pci_setup(blob, bd);
+#endif
+}
+
+#endif
--- a/board/mvblm7/mvblm7.h
+++ b/board/mvblm7/mvblm7.h
@ -0,0 +1,21 @@
+#ifndef __MVBC_H__
+#define __MVBC_H__
+
+#define MV_GPIO
+
+#define FPGA_CONFIG     0x80000000
+#define FPGA_CCLK       0x40000000
+#define FPGA_DIN        0x20000000
+#define FPGA_STATUS     0x10000000
+#define FPGA_CONF_DONE  0x08000000
+#define MMC_CS		0x04000000
+
+#define WD_WDI          0x00400000
+#define WD_TS           0x00200000
+#define MAN_RST         0x00100000
+
+#define MV_GPIO_DAT	(WD_TS)
+#define MV_GPIO_OUT	(FPGA_CONFIG|FPGA_DIN|FPGA_CCLK|WD_TS|WD_WDI|MMC_CS)
+#define MV_GPIO_ODE	(FPGA_CONFIG|MAN_RST)
+
+#endif
--- a/board/mvblm7/mvblm7_autoscript
+++ b/board/mvblm7/mvblm7_autoscript
@ -0,0 +1,37 @@
+echo
+echo "==== running autoscript ===="
+echo
+setenv bootdtb bootm \${kernel_boot} \${mv_initrd_addr_ram} \${mv_dtb_addr_ram}
+setenv ramkernel setenv kernel_boot \${loadaddr}
+setenv flashkernel setenv kernel_boot \${mv_kernel_addr}
+setenv cpird cp \${mv_initrd_addr} \${mv_initrd_addr_ram} \${mv_initrd_length}
+setenv bootfromflash run flashkernel cpird ramparam bootdtb
+setenv getdtb tftp \${mv_dtb_addr_ram} \${dtb_name}
+setenv cpdtb cp \${mv_dtb_addr} \${mv_dtb_addr_ram} 0x2000
+setenv rundtb fdt addr \${mv_dtb_addr_ram}\;fdt boardsetup
+setenv bootfromnet tftp \${mv_initrd_addr_ram} \${initrd_name}\;run ramkernel
+setenv set_static_ip setenv ipaddr \${static_ipaddr}
+setenv set_static_nm setenv netmask \${static_netmask}
+setenv set_static_gw setenv gatewayip \${static_gateway}
+setenv set_ip setenv ip \${ipaddr}::\${gatewayip}:\${netmask}
+setenv ramparam setenv bootargs root=/dev/ram0 ro rootfstype=squashfs
+if test ${autoscr_boot} != no;
+then
+  if test ${netboot} = yes;
+  then
+    bootp
+    if test $? = 0;
+    then
+      echo "=== bootp succeeded -> netboot ==="
+      run set_ip
+      run getdtb rundtb bootfromnet ramparam bootdtb
+    else
+      echo "=== netboot failed ==="
+    fi
+  fi
+  run set_static_ip set_static_nm set_static_gw set_ip
+  echo "=== bootfromflash ==="
+  run cpdtb rundtb bootfromflash
+else
+  echo "=== boot stopped with autoscr_boot no ==="
+fi
--- a/board/mvblm7/pci.c
+++ b/board/mvblm7/pci.c
@ -0,0 +1,165 @@
+/*
+ * Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved.
+ *
+ * (C) Copyright 2008
+ * Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.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 <common.h>
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#endif
+#include <pci.h>
+#include <mpc83xx.h>
+#include "mvblm7.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* System RAM mapped to PCI space */
+#define CONFIG_PCI_SYS_MEM_BUS	CFG_SDRAM_BASE
+#define CONFIG_PCI_SYS_MEM_PHYS	CFG_SDRAM_BASE
+
+#define SLOT0_IRQ	3
+#define SLOT1_IRQ	4
+void pci_mvblm7_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
+{
+	unsigned char line = 0xff;
+
+	if (PCI_BUS(dev) == 0) {
+		switch (PCI_DEV(dev)) {
+		case 0x0:
+			return;
+		case 0xb:
+			line = 0;
+			break;
+		case 0xc:
+			line = 1;
+			break;
+		default:
+			printf("***pci_scan: illegal dev = 0x%08x\n",
+				PCI_DEV(dev));
+			line = 0xff;
+			break;
+		}
+		pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, line);
+	}
+}
+
+static struct pci_controller pci_hose = {
+	fixup_irq:pci_mvblm7_fixup_irq
+};
+
+int mvblm7_load_fpga(void)
+{
+	size_t data_size = 0;
+	void *fpga_data = NULL;
+	char *datastr = getenv("fpgadata");
+	char *sizestr = getenv("fpgadatasize");
+
+	if (datastr)
+		fpga_data = (void *)simple_strtoul(datastr, NULL, 16);
+	if (sizestr)
+		data_size = (size_t)simple_strtoul(sizestr, NULL, 16);
+
+	return fpga_load(0, fpga_data, data_size);
+}
+
+static struct pci_region pci_regions[] = {
+	{
+		bus_start: CFG_PCI1_MEM_BASE,
+		phys_start: CFG_PCI1_MEM_PHYS,
+		size: CFG_PCI1_MEM_SIZE,
+		flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
+	},
+	{
+		bus_start: CFG_PCI1_MMIO_BASE,
+		phys_start: CFG_PCI1_MMIO_PHYS,
+		size: CFG_PCI1_MMIO_SIZE,
+		flags: PCI_REGION_MEM
+	},
+	{
+		bus_start: CFG_PCI1_IO_BASE,
+		phys_start: CFG_PCI1_IO_PHYS,
+		size: CFG_PCI1_IO_SIZE,
+		flags: PCI_REGION_IO
+	}
+};
+
+void pci_init_board(void)
+{
+	char *s;
+	int i;
+	int warmboot;
+	int load_fpga;
+	volatile immap_t *immr;
+	volatile pcictrl83xx_t *pci_ctrl;
+	volatile gpio83xx_t *gpio;
+	volatile clk83xx_t *clk;
+	volatile law83xx_t *pci_law;
+	struct pci_region *reg[] = { pci_regions };
+
+	load_fpga = 1;
+	immr = (immap_t *) CFG_IMMR;
+	clk = (clk83xx_t *) &immr->clk;
+	pci_ctrl = immr->pci_ctrl;
+	pci_law = immr->sysconf.pcilaw;
+	gpio  = (volatile gpio83xx_t *)&immr->gpio[0];
+
+	s = getenv("skip_fpga");
+	if (s) {
+		printf("found 'skip_fpga' -> FPGA _not_ loaded !\n");
+		load_fpga = 0;
+	}
+
+	gpio->dat = MV_GPIO_DAT;
+	gpio->odr = MV_GPIO_ODE;
+	if (load_fpga)
+		gpio->dir = MV_GPIO_OUT;
+	else
+		gpio->dir = MV_GPIO_OUT & ~(FPGA_DIN|FPGA_CCLK);
+
+	printf("SICRH / SICRL : 0x%08x / 0x%08x\n", immr->sysconf.sicrh,
+		immr->sysconf.sicrl);
+
+	mvblm7_init_fpga();
+	if (load_fpga)
+		mvblm7_load_fpga();
+
+	/* Enable PCI_CLK_OUTPUTs 0 and 1 with 1:1 clocking */
+	clk->occr = 0xc0000000;
+
+	pci_ctrl[0].gcr = 0;
+	udelay(2000);
+	pci_ctrl[0].gcr = 1;
+
+	for (i = 0; i < 1000; ++i)
+		udelay(1000);
+
+	pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR;
+	pci_law[0].ar = LBLAWAR_EN | LBLAWAR_1GB;
+
+	pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR;
+	pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
+
+	warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
+
+	mpc83xx_pci_init(1, reg, warmboot);
+}