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* [U-Boot-Users] [PATCH 1/2] ppc4xx: Add DU440 board support
@ 2008-01-13 21:11 Matthias Fuchs
  2008-01-13 22:08 ` Wolfgang Denk
  0 siblings, 1 reply; 24+ messages in thread
From: Matthias Fuchs @ 2008-01-13 21:11 UTC (permalink / raw)
  To: u-boot

Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
---
 board/esd/du440/Makefile   |   51 ++
 board/esd/du440/config.mk  |   41 ++
 board/esd/du440/du440.c    | 1171 ++++++++++++++++++++++++++++++++++++++++++++
 board/esd/du440/du440.h    |   42 ++
 board/esd/du440/init.S     |   80 +++
 board/esd/du440/u-boot.lds |  145 ++++++
 6 files changed, 1530 insertions(+), 0 deletions(-)
 create mode 100644 board/esd/du440/Makefile
 create mode 100644 board/esd/du440/config.mk
 create mode 100644 board/esd/du440/du440.c
 create mode 100644 board/esd/du440/du440.h
 create mode 100644 board/esd/du440/init.S
 create mode 100644 board/esd/du440/u-boot.lds

diff --git a/board/esd/du440/Makefile b/board/esd/du440/Makefile
new file mode 100644
index 0000000..e996a0a
--- /dev/null
+++ b/board/esd/du440/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2002-2006
+# Wolfgang Denk, DENX Software Engineering, wd at 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
+SOBJS	= init.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+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/esd/du440/config.mk b/board/esd/du440/config.mk
new file mode 100644
index 0000000..e62b8d3
--- /dev/null
+++ b/board/esd/du440/config.mk
@@ -0,0 +1,41 @@
+#
+# (C) Copyright 2002
+# Wolfgang Denk, DENX Software Engineering, wd at 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
+#
+#
+# AMCC 440EPx Reference Platform (Sequoia) board
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+TEXT_BASE = 0xFFFA0000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000
+endif
diff --git a/board/esd/du440/du440.c b/board/esd/du440/du440.c
new file mode 100644
index 0000000..0c8d59b
--- /dev/null
+++ b/board/esd/du440/du440.c
@@ -0,0 +1,1171 @@
+/*
+ * (C) Copyright 2008
+ * Matthias Fuchs, esd gmbh, matthias.fuchs at esd-electronics.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <command.h>
+#include <i2c.h>
+#include <ppc440.h>
+#include "du440.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+extern ulong flash_get_size (ulong base, int banknum);
+
+int usbhub_init(void);
+int dvi_init(void);
+int eeprom_write_enable (unsigned dev_addr, int state);
+int board_revision(void);
+
+static int du440_post_errors;
+
+int board_early_init_f(void)
+{
+	u32 sdr0_cust0;
+	u32 sdr0_pfc1, sdr0_pfc2;
+	u32 reg;
+
+	mtdcr(ebccfga, xbcfg);
+	mtdcr(ebccfgd, 0xb8400000);
+
+	/*--------------------------------------------------------------------
+	 * Setup the GPIO pins
+	 *-------------------------------------------------------------------*/
+	out_be32((void*)GPIO0_OR, 0x00000000 | CFG_GPIO0_EP_EEP);
+	out_be32((void*)GPIO0_TCR, 0x0000000f | CFG_GPIO0_EP_EEP);
+	out_be32((void*)GPIO0_OSRL, 0x50055400);
+	out_be32((void*)GPIO0_OSRH, 0x550050aa);
+	out_be32((void*)GPIO0_TSRL, 0x50055400);
+	out_be32((void*)GPIO0_TSRH, 0x55005000);
+	out_be32((void*)GPIO0_ISR1L, 0x50000000);
+	out_be32((void*)GPIO0_ISR1H, 0x00000000);
+	out_be32((void*)GPIO0_ISR2L, 0x00000000);
+	out_be32((void*)GPIO0_ISR2H, 0x00000100);
+	out_be32((void*)GPIO0_ISR3L, 0x00000000);
+	out_be32((void*)GPIO0_ISR3H, 0x00000000);
+
+	out_be32((void*)GPIO1_OR, 0x00000000);
+	out_be32((void*)GPIO1_TCR, 0xc2000000 |
+		 CFG_GPIO1_IORSTN |
+		 CFG_GPIO1_LEDUSR1 |
+		 CFG_GPIO1_LEDUSR2 |
+		 CFG_GPIO1_LEDPOST |
+		 CFG_GPIO1_LEDDU);
+	out_be32((void*)GPIO1_ODR, CFG_GPIO1_LEDDU);
+
+	out_be32((void*)GPIO1_OSRL, 0x5c280000);
+	out_be32((void*)GPIO1_OSRH, 0x00000000);
+	out_be32((void*)GPIO1_TSRL, 0x0c000000);
+	out_be32((void*)GPIO1_TSRH, 0x00000000);
+	out_be32((void*)GPIO1_ISR1L, 0x00005550);
+	out_be32((void*)GPIO1_ISR1H, 0x00000000);
+	out_be32((void*)GPIO1_ISR2L, 0x00050000);
+	out_be32((void*)GPIO1_ISR2H, 0x00000000);
+	out_be32((void*)GPIO1_ISR3L, 0x01400000);
+	out_be32((void*)GPIO1_ISR3H, 0x00000000);
+
+	/*--------------------------------------------------------------------
+	 * Setup the interrupt controller polarities, triggers, etc.
+	 *-------------------------------------------------------------------*/
+	mtdcr(uic0sr, 0xffffffff);	/* clear all */
+	mtdcr(uic0er, 0x00000000);	/* disable all */
+	mtdcr(uic0cr, 0x00000005);	/* ATI & UIC1 crit are critical */
+	mtdcr(uic0pr, 0xfffff7ff);	/* per ref-board manual */
+	mtdcr(uic0tr, 0x00000000);	/* per ref-board manual */
+	mtdcr(uic0vr, 0x00000000);	/* int31 highest, base=0x000 */
+	mtdcr(uic0sr, 0xffffffff);	/* clear all */
+
+	/*
+	 * UIC1:
+	 *  bit30: ext. Irq 1: PLD : int 32+30
+	 */
+	mtdcr(uic1sr, 0xffffffff);	/* clear all */
+	mtdcr(uic1er, 0x00000000);	/* disable all */
+	mtdcr(uic1cr, 0x00000000);	/* all non-critical */
+	mtdcr(uic1pr, 0xfffffffd);
+	mtdcr(uic1tr, 0x00000000);
+	mtdcr(uic1vr, 0x00000000);	/* int31 highest, base=0x000 */
+	mtdcr(uic1sr, 0xffffffff);	/* clear all */
+
+	/*
+	 * UIC2
+	 *  bit3: ext. Irq 2: DCF77 : int 64+3
+	 */
+	mtdcr(uic2sr, 0xffffffff);	/* clear all */
+	mtdcr(uic2er, 0x00000000);	/* disable all */
+	mtdcr(uic2cr, 0x00000000);	/* all non-critical */
+	mtdcr(uic2pr, 0xffffffff);	/* per ref-board manual */
+	mtdcr(uic2tr, 0x00000000);	/* per ref-board manual */
+	mtdcr(uic2vr, 0x00000000);	/* int31 highest, base=0x000 */
+	mtdcr(uic2sr, 0xffffffff);	/* clear all */
+
+	/* select Ethernet pins */
+	mfsdr(SDR0_PFC1, sdr0_pfc1);
+	mfsdr(SDR0_PFC2, sdr0_pfc2);
+
+	/* setup EMAC bridge interface */
+	if (board_revision() == 0) {
+		/* 1 x MII */
+		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
+			SDR0_PFC1_SELECT_CONFIG_1_2;
+		sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
+			SDR0_PFC2_SELECT_CONFIG_1_2;
+	} else {
+		/* 2 x SMII */
+		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
+			SDR0_PFC1_SELECT_CONFIG_6;
+		sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
+			SDR0_PFC2_SELECT_CONFIG_6;
+	}
+
+	/* enable 2nd IIC */
+	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_IIC1_SEL;
+
+	mtsdr(SDR0_PFC2, sdr0_pfc2);
+	mtsdr(SDR0_PFC1, sdr0_pfc1);
+
+	/* PCI arbiter enabled */
+	mfsdr(sdr_pci0, reg);
+	mtsdr(sdr_pci0, 0x80000000 | reg);
+
+	/* setup NAND FLASH */
+	mfsdr(SDR0_CUST0, sdr0_cust0);
+	sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL	|
+		SDR0_CUST0_NDFC_ENABLE		|
+		SDR0_CUST0_NDFC_BW_8_BIT	|
+		SDR0_CUST0_NDFC_ARE_MASK	|
+		(0x80000000 >> (28 + CFG_NAND0_CS)) |
+		(0x80000000 >> (28 + CFG_NAND1_CS));
+	mtsdr(SDR0_CUST0, sdr0_cust0);
+
+	return 0;
+}
+
+/*---------------------------------------------------------------------------+
+  | misc_init_r.
+  +---------------------------------------------------------------------------*/
+int misc_init_r(void)
+{
+	uint pbcr;
+	int size_val = 0;
+	u32 reg;
+	unsigned long usb2d0cr = 0;
+	unsigned long usb2phy0cr, usb2h0cr = 0;
+	unsigned long sdr0_pfc1;
+	int i, j;
+
+	/* adjust flash start and offset */
+	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+	gd->bd->bi_flashoffset = 0;
+
+	mtdcr(ebccfga, pb0cr);
+	pbcr = mfdcr(ebccfgd);
+	switch (gd->bd->bi_flashsize) {
+	case 1 << 20:
+		size_val = 0;
+		break;
+	case 2 << 20:
+		size_val = 1;
+		break;
+	case 4 << 20:
+		size_val = 2;
+		break;
+	case 8 << 20:
+		size_val = 3;
+		break;
+	case 16 << 20:
+		size_val = 4;
+		break;
+	case 32 << 20:
+		size_val = 5;
+		break;
+	case 64 << 20:
+		size_val = 6;
+		break;
+	case 128 << 20:
+		size_val = 7;
+		break;
+	}
+	pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
+	mtdcr(ebccfga, pb0cr);
+	mtdcr(ebccfgd, pbcr);
+
+	/*
+	 * Re-check to get correct base address
+	 */
+	flash_get_size(gd->bd->bi_flashstart, 0);
+
+	/*
+	 * USB suff...
+	 */
+	/* SDR Setting */
+	mfsdr(SDR0_PFC1, sdr0_pfc1);
+	mfsdr(SDR0_USB0, usb2d0cr);
+	mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+	mfsdr(SDR0_USB2H0CR, usb2h0cr);
+
+	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
+	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;	/*0*/
+	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
+	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;	/*1*/
+	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
+	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;		/*0*/
+	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
+	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;		/*1*/
+	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
+	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;		/*1*/
+
+	/* An 8-bit/60MHz interface is the only possible alternative
+	   when connecting the Device to the PHY */
+	usb2h0cr   = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
+	usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;	/*1*/
+
+	/* To enable the USB 2.0 Device function through the UTMI interface */
+	usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
+
+	sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
+	sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;		/*1*/
+
+	mtsdr(SDR0_PFC1, sdr0_pfc1);
+	mtsdr(SDR0_USB0, usb2d0cr);
+	mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+	mtsdr(SDR0_USB2H0CR, usb2h0cr);
+
+	/* clear resets */
+	udelay (1000);
+	mtsdr(SDR0_SRST1, 0x00000000);
+	udelay (1000);
+	mtsdr(SDR0_SRST0, 0x00000000);
+
+	printf("USB:   Host(int phy)\n");
+
+	/*
+	 * Clear PLB4A0_ACR[WRP]
+	 * This fix will make the MAL burst disabling patch for the Linux
+	 * EMAC driver obsolete.
+	 */
+	reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
+	mtdcr(plb4_acr, reg);
+
+	/*
+	 * release IO-RST#
+	 * We have to wait at least 560ms until we may call usbhub_init
+	 */
+	out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) | CFG_GPIO1_IORSTN);
+
+	/*
+	 * flash USR1/2 LEDs (600ms)
+	 * This results in the necessary delay from IORST# until
+	 * calling usbhub_init will succeed
+	 */
+	for (j = 0; j < 3; j++) {
+		out_be32((void*)GPIO1_OR,
+			 (in_be32((void*)GPIO1_OR) & ~CFG_GPIO1_LEDUSR2) |
+			 CFG_GPIO1_LEDUSR1);
+
+		for (i = 0; i < 100; i++)
+			udelay(1000);
+
+		out_be32((void*)GPIO1_OR,
+			 (in_be32((void*)GPIO1_OR) & ~CFG_GPIO1_LEDUSR1) |
+			 CFG_GPIO1_LEDUSR2);
+
+		for (i = 0; i < 100; i++)
+			udelay(1000);
+	}
+
+	out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) &
+		 ~(CFG_GPIO1_LEDUSR1 | CFG_GPIO1_LEDUSR2));
+
+	if (usbhub_init())
+		du440_post_errors++;
+
+	if(dvi_init())
+		du440_post_errors++;
+
+	return 0;
+}
+
+int pld_revision(void)
+{
+	out8(CFG_CPLD_BASE, 0x00);
+	return (int)(in8(CFG_CPLD_BASE) & CPLD_VERSION_MASK);
+}
+
+int board_revision(void)
+{
+	int rpins = (int)((in_be32((void*)GPIO1_IR) & CFG_GPIO1_HWVER_MASK)
+			  >> CFG_GPIO1_HWVER_SHIFT);
+
+	return ((rpins & 1) << 3) | ((rpins & 2) << 1) |
+		((rpins & 4) >> 1) | ((rpins & 8) >> 3);
+}
+
+#ifdef CONFIG_SHOW_ACTIVITY
+void board_show_activity (ulong timestamp)
+{
+	if ((timestamp % 100) == 0)
+		out_be32((void*)GPIO1_OR,
+			 in_be32((void*)GPIO1_OR) ^ CFG_GPIO1_LEDUSR1);
+}
+
+void show_activity(int arg)
+{
+}
+#endif /* CONFIG_SHOW_ACTIVITY */
+
+int du440_phy_addr(int devnum)
+{
+	if (board_revision() == 0)
+		return devnum;
+
+	return devnum + 1;
+}
+
+int checkboard(void)
+{
+	char serno[32];
+
+	puts("Board: DU440");
+
+	if (getenv_r("serial#", serno, sizeof(serno)) > 0) {
+		puts(", serial# ");
+		puts(serno);
+	}
+
+	printf(", HW-Rev. 1.%d, CPLD-Rev. 1.%d\n",
+	       board_revision(), pld_revision());
+	return (0);
+}
+
+/*************************************************************************
+ *  pci_pre_init
+ *
+ *  This routine is called just prior to registering the hose and gives
+ *  the board the opportunity to check things. Returning a value of zero
+ *  indicates that things are bad & PCI initialization should be aborted.
+ *
+ *	Different boards may wish to customize the pci controller structure
+ *	(add regions, override default access routines, etc) or perform
+ *	certain pre-initialization actions.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT)
+int pci_pre_init(struct pci_controller *hose)
+{
+	unsigned long addr;
+
+	/*-------------------------------------------------------------------------+
+	  | Set priority for all PLB3 devices to 0.
+	  | Set PLB3 arbiter to fair mode.
+	  +-------------------------------------------------------------------------*/
+	mfsdr(sdr_amp1, addr);
+	mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
+	addr = mfdcr(plb3_acr);
+	mtdcr(plb3_acr, addr | 0x80000000);
+
+	/*-------------------------------------------------------------------------+
+	  | Set priority for all PLB4 devices to 0.
+	  +-------------------------------------------------------------------------*/
+	mfsdr(sdr_amp0, addr);
+	mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
+	addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
+	mtdcr(plb4_acr, addr);
+
+	/*-------------------------------------------------------------------------+
+	  | Set Nebula PLB4 arbiter to fair mode.
+	  +-------------------------------------------------------------------------*/
+	/* Segment0 */
+	addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
+	addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
+	addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
+	addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
+	mtdcr(plb0_acr, addr);
+
+	/* Segment1 */
+	addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
+	addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
+	addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
+	addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
+	mtdcr(plb1_acr, addr);
+
+	return 1;
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */
+
+/*************************************************************************
+ * pci_target_init
+ *
+ * The bootstrap configuration provides default settings for the pci
+ * inbound map (PIM). But the bootstrap config choices are limited and
+ * may not be sufficient for a given board.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
+void pci_target_init(struct pci_controller *hose)
+{
+	/*--------------------------------------------------------------------------+
+	 * Set up Direct MMIO registers
+	 *--------------------------------------------------------------------------*/
+	/*--------------------------------------------------------------------------+
+	  | PowerPC440EPX PCI Master configuration.
+	  | Map one 1Gig range of PLB/processor addresses to PCI memory space.
+	  |   PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
+	  |   Use byte reversed out routines to handle endianess.
+	  | Make this region non-prefetchable.
+	  +--------------------------------------------------------------------------*/
+	out32r(PCIX0_PMM0MA, 0x00000000);	/* PMM0 Mask/Attribute - disabled b4 setting */
+	out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE);	/* PMM0 Local Address */
+	out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE);	/* PMM0 PCI Low Address */
+	out32r(PCIX0_PMM0PCIHA, 0x00000000);	/* PMM0 PCI High Address */
+	out32r(PCIX0_PMM0MA, 0xE0000001);	/* 512M + No prefetching, and enable region */
+
+	out32r(PCIX0_PMM1MA, 0x00000000);	/* PMM0 Mask/Attribute - disabled b4 setting */
+	out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
+	out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2);	/* PMM0 PCI Low Address */
+	out32r(PCIX0_PMM1PCIHA, 0x00000000);	/* PMM0 PCI High Address */
+	out32r(PCIX0_PMM1MA, 0xE0000001);	/* 512M + No prefetching, and enable region */
+
+	out32r(PCIX0_PTM1MS, 0x00000001);	/* Memory Size/Attribute */
+	out32r(PCIX0_PTM1LA, 0);	/* Local Addr. Reg */
+	out32r(PCIX0_PTM2MS, 0);	/* Memory Size/Attribute */
+	out32r(PCIX0_PTM2LA, 0);	/* Local Addr. Reg */
+
+	/*--------------------------------------------------------------------------+
+	 * Set up Configuration registers
+	 *--------------------------------------------------------------------------*/
+
+	/* Program the board's subsystem id/vendor id */
+	pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
+			      PCI_VENDOR_ID_ESDGMBH);
+	pci_write_config_word(0, PCI_SUBSYSTEM_ID, PCI_DEVICE_ID_DU440);
+
+	pci_write_config_word(0, PCI_CLASS_SUB_CODE, PCI_CLASS_BRIDGE_HOST);
+
+	/* Configure command register as bus master */
+	pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
+
+	/* 240nS PCI clock */
+	pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
+
+	/* No error reporting */
+	pci_write_config_word(0, PCI_ERREN, 0);
+
+	pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
+
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
+
+/*************************************************************************
+ *  pci_master_init
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
+void pci_master_init(struct pci_controller *hose)
+{
+	unsigned short temp_short;
+
+	/*---------------------------------------------------------------------+
+	  | Write the PowerPC440 EP PCI Configuration regs.
+	  |   Enable PowerPC440 EP to be a master on the PCI bus (PMM).
+	  |   Enable PowerPC440 EP to act as a PCI memory target (PTM).
+	  +--------------------------------------------------------------------*/
+	pci_read_config_word(0, PCI_COMMAND, &temp_short);
+	pci_write_config_word(0, PCI_COMMAND,
+			      temp_short | PCI_COMMAND_MASTER |
+			      PCI_COMMAND_MEMORY);
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
+
+/*************************************************************************
+ *  is_pci_host
+ *
+ *	This routine is called to determine if a pci scan should be
+ *	performed. With various hardware environments (especially cPCI and
+ *	PPMC) it's insufficient to depend on the state of the arbiter enable
+ *	bit in the strap register, or generic host/adapter assumptions.
+ *
+ *	Rather than hard-code a bad assumption in the general 440 code, the
+ *	440 pci code requires the board to decide at runtime.
+ *
+ *	Return 0 for adapter mode, non-zero for host (monarch) mode.
+ *
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI)
+int is_pci_host(struct pci_controller *hose)
+{
+	/* always configured as host. */
+	return (1);
+}
+#endif /* defined(CONFIG_PCI) */
+
+int last_stage_init(void)
+{
+	int e, i;
+	/* everyting is ok: turn on POST-LED */
+	out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) | CFG_GPIO1_LEDPOST);
+
+	/* slowly blink on errors and finally keep LED off */
+	for (e = 0; e < du440_post_errors; e++) {
+		out_be32((void*)GPIO1_OR,
+			 in_be32((void*)GPIO1_OR) | CFG_GPIO1_LEDPOST);
+
+		for (i = 0; i < 500; i++)
+			udelay(1000);
+
+		out_be32((void*)GPIO1_OR,
+			 in_be32((void*)GPIO1_OR) & ~CFG_GPIO1_LEDPOST);
+
+		for (i = 0; i < 500; i++)
+			udelay(1000);
+	}
+
+	return 0;
+}
+
+#if defined(CONFIG_I2C_MULTI_BUS)
+/*
+ * read field strength from I2C ADC
+ */
+int dcf77_status(void)
+{
+	unsigned int oldbus;
+	uchar u[2];
+	int U;
+
+	oldbus = I2C_GET_BUS();
+	I2C_SET_BUS(1);
+
+	if (i2c_read (IIC1_MCP3021_ADDR, 0, 0, u, 2)) {
+		I2C_SET_BUS(oldbus);
+		return -1;
+	}
+
+	U = (int)(((u[0] << 8) | u[1]) >> 2) * 3300 / 1024;
+
+	I2C_SET_BUS(oldbus);
+	return U;
+}
+
+int do_dcf77(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int U;
+	u32 pin, pinold;
+	unsigned long long t1, t2;
+	bd_t *bd = gd->bd;
+
+	printf("DCF77: ");
+	U = dcf77_status();
+	if (U > 0)
+		printf("signal=%d mV\n", U);
+	else
+		printf("ERROR - no signal\n");
+
+#if 1
+	t1 = t2 = 0;
+	pinold = in_be32((void*)GPIO1_IR) & CFG_GPIO1_DCF77;
+	while (!ctrlc()) {
+		pin = in_be32((void*)GPIO1_IR) & CFG_GPIO1_DCF77;
+		if (pin && !pinold) { /* bit start */
+			t1 = get_ticks();
+			if (t2 && ((unsigned int)(t1 - t2) /
+				   (bd->bi_procfreq / 1000) >= 1800))
+				printf("Start of minute\n");
+
+			t2 = t1;
+		}
+		if (t1 && !pin && pinold) { /* bit end */
+			printf("%5d\n", (unsigned int)(get_ticks() - t1) /
+			       (bd->bi_procfreq / 1000));
+		}
+		pinold = pin;
+	}
+#endif
+
+	printf("Abort\n");
+	return 0;
+}
+U_BOOT_CMD(
+	dcf77, 1, 1, do_dcf77,
+	"dcf77   - Check DCF77 receiver\n",
+	NULL
+	);
+
+/*
+ * initialize USB hub via I2C1
+ */
+int usbhub_init(void)
+{
+	int reg;
+	int ret = 0;
+	unsigned int oldbus;
+	uchar u[] = {0x04, 0x24, 0x04, 0x07, 0x25, 0x00, 0x00, 0xd3,
+		     0x18, 0xe0, 0x00, 0x00, 0x01, 0x64, 0x01, 0x64,
+		     0x32};
+
+	uchar stcd;
+
+	printf("Hub:   ");
+
+	oldbus = I2C_GET_BUS();
+	I2C_SET_BUS(1);
+
+	for (reg = 0; reg < sizeof(u); reg++)
+		if (i2c_write (IIC1_USB2507_ADDR, reg, 1, &u[reg], 1)) {
+			ret = -1;
+			break;
+		}
+
+	if (ret == 0) {
+		stcd = 0x03;
+		if (i2c_write (IIC1_USB2507_ADDR, 0, 1, &stcd, 1))
+			ret = -1;
+	}
+
+	if (ret == 0)
+		printf("initialized\n");
+	else
+		printf("failed - cannot initialize USB hub\n");
+
+	I2C_SET_BUS(oldbus);
+	return ret;
+}
+
+int do_hubinit(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	usbhub_init();
+	return 0;
+}
+U_BOOT_CMD(
+	hubinit, 1, 1, do_hubinit,
+	"hubinit - Initialize USB hub\n",
+	NULL
+	);
+#endif /* CONFIG_I2C_MULTI_BUS */
+
+#define CFG_BOOT_EEPROM_PAGE_WRITE_BITS 3
+int boot_eeprom_write (unsigned dev_addr,
+		       unsigned offset,
+		       uchar *buffer,
+		       unsigned cnt)
+{
+	unsigned end = offset + cnt;
+	unsigned blk_off;
+	int rcode = 0;
+
+#if defined(CFG_EEPROM_WREN)
+	eeprom_write_enable(dev_addr, 1);
+#endif
+	/* Write data until done or would cross a write page boundary.
+	 * We must write the address again when changing pages
+	 * because the address counter only increments within a page.
+	 */
+
+	while (offset < end) {
+		unsigned alen, len;
+		unsigned maxlen;
+
+		uchar addr[2];
+
+		blk_off = offset & 0xFF;	/* block offset */
+
+		addr[0] = offset >> 8;		/* block number */
+		addr[1] = blk_off;		/* block offset */
+		alen = 2;
+		addr[0] |= dev_addr;		/* insert device address */
+
+		len = end - offset;
+
+		/*
+		 * For a FRAM device there is no limit on the number of the
+		 * bytes that can be ccessed with the single read or write
+		 * operation.
+		 */
+#if defined(CFG_BOOT_EEPROM_PAGE_WRITE_BITS)
+
+#define	BOOT_EEPROM_PAGE_SIZE (1 << CFG_BOOT_EEPROM_PAGE_WRITE_BITS)
+#define BOOT_EEPROM_PAGE_OFFSET(x) ((x) & (BOOT_EEPROM_PAGE_SIZE - 1))
+
+		maxlen = BOOT_EEPROM_PAGE_SIZE -
+			BOOT_EEPROM_PAGE_OFFSET(blk_off);
+#else
+		maxlen = 0x100 - blk_off;
+#endif
+		if (maxlen > I2C_RXTX_LEN)
+			maxlen = I2C_RXTX_LEN;
+
+		if (len > maxlen)
+			len = maxlen;
+
+		if (i2c_write (addr[0], offset, alen - 1, buffer, len) != 0)
+			rcode = 1;
+
+		buffer += len;
+		offset += len;
+
+#if defined(CFG_EEPROM_PAGE_WRITE_DELAY_MS)
+		udelay(CFG_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
+#endif
+	}
+#if defined(CFG_EEPROM_WREN)
+	eeprom_write_enable(dev_addr, 0);
+#endif
+	return rcode;
+}
+
+int do_setup_boot_eeprom(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	ulong sdsdp[4];
+
+	if (argc > 1) {
+		if (!strcmp(argv[1], "533")) {
+			printf("Bootstrapping for 533MHz\n");
+			sdsdp[0] = 0x87788252;
+			/* PLB-PCI-divider = 3 : sync PCI clock=44MHz */
+			sdsdp[1] = 0x095fa030;
+			sdsdp[2] = 0x40082350;
+			sdsdp[3] = 0x0d050000;
+		} else if (!strcmp(argv[1], "533-66")) {
+			printf("Bootstrapping for 533MHz (66MHz PCI)\n");
+			sdsdp[0] = 0x87788252;
+			/* PLB-PCI-divider = 2 : sync PCI clock=66MHz */
+			sdsdp[1] = 0x0957a030;
+			sdsdp[2] = 0x40082350;
+			sdsdp[3] = 0x0d050000;
+		} else if (!strcmp(argv[1], "667")) {
+			printf("Bootstrapping for 667MHz\n");
+			sdsdp[0] = 0x8778a256;
+			/* PLB-PCI-divider = 4 : sync PCI clock=33MHz */
+			sdsdp[1] = 0x0947a030;
+			/* PLB-PCI-divider = 3 : sync PCI clock=44MHz
+			 * -> not working when overclocking 533MHz chips
+			 * -> untested on 667MHz chips */
+			/* sdsdp[1]=0x095fa030; */
+			sdsdp[2] = 0x40082350;
+			sdsdp[3] = 0x0d050000;
+		}
+	} else {
+		printf("Bootstrapping for 533MHz (default)\n");
+		sdsdp[0] = 0x87788252;
+		/* PLB-PCI-divider = 3 : sync PCI clock=44MHz */
+		sdsdp[1] = 0x095fa030;
+		sdsdp[2] = 0x40082350;
+		sdsdp[3] = 0x0d050000;
+	}
+
+	printf("Writing boot EEPROM ...\n");
+	if (boot_eeprom_write(CFG_I2C_BOOT_EEPROM_ADDR,
+			      0, (uchar*)sdsdp, 16) != 0)
+		printf("boot_eeprom_write failed\n");
+	else
+		printf("done (dump via 'i2c md 52 0.1 10')\n");
+
+	return 0;
+}
+U_BOOT_CMD(
+	sbe, 2, 0, do_setup_boot_eeprom,
+	"sbe     - setup boot eeprom\n",
+	NULL
+	);
+
+#if defined(CFG_EEPROM_WREN)
+/* Input: <dev_addr>  I2C address of EEPROM device to enable.
+ *         <state>     -1: deliver current state
+ *                      0: disable write
+ *                      1: enable write
+ * Returns:            -1: wrong device address
+ *                      0: dis-/en- able done
+ *                    0/1: current state if <state> was -1.
+ */
+int eeprom_write_enable (unsigned dev_addr, int state)
+{
+	if ((CFG_I2C_EEPROM_ADDR != dev_addr) &&
+	    (CFG_I2C_BOOT_EEPROM_ADDR != dev_addr))
+		return -1;
+	else {
+		switch (state) {
+		case 1:
+			/* Enable write access, clear bit GPIO_SINT2. */
+			out_be32((void*)GPIO0_OR,
+				 in_be32((void*)GPIO0_OR) & ~CFG_GPIO0_EP_EEP);
+			state = 0;
+			break;
+		case 0:
+			/* Disable write access, set bit GPIO_SINT2. */
+			out_be32((void*)GPIO0_OR,
+				 in_be32((void*)GPIO0_OR) | CFG_GPIO0_EP_EEP);
+			state = 0;
+			break;
+		default:
+			/* Read current status back. */
+			state = (0 == (in_be32((void*)GPIO0_OR) &
+				       CFG_GPIO0_EP_EEP));
+			break;
+		}
+	}
+	return state;
+}
+
+int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int query = argc == 1;
+	int state = 0;
+
+	if (query) {
+		/* Query write access state. */
+		state = eeprom_write_enable(CFG_I2C_EEPROM_ADDR, -1);
+		if (state < 0)
+			puts ("Query of write access state failed.\n");
+		else {
+			printf ("Write access for device 0x%0x is %sabled.\n",
+				CFG_I2C_EEPROM_ADDR, state ? "en" : "dis");
+			state = 0;
+		}
+	} else {
+		if ('0' == argv[1][0]) {
+			/* Disable write access. */
+			state = eeprom_write_enable(CFG_I2C_EEPROM_ADDR, 0);
+		} else {
+			/* Enable write access. */
+			state = eeprom_write_enable(CFG_I2C_EEPROM_ADDR, 1);
+		}
+		if (state < 0)
+			puts ("Setup of write access state failed.\n");
+	}
+
+	return state;
+}
+
+U_BOOT_CMD(eepwren, 2, 0, do_eep_wren,
+	   "eepwren - Enable / disable / query EEPROM write access\n",
+	   NULL);
+#endif /* #if defined(CFG_EEPROM_WREN) */
+
+
+static int got_pldirq;
+
+static int pld_interrupt(u32 arg)
+{
+	int rc = -1; /* not for us */
+	u8 status = in8(CFG_CPLD_BASE);
+
+	/* check for PLD interrupt */
+	if (status & PWR_INT_FLAG) {
+		/* reset this int */
+		out8(CFG_CPLD_BASE, 0);
+		rc = 0;
+		got_pldirq = 1; /* trigger backend */
+	}
+
+	return rc;
+}
+
+
+int do_waitpwrirq(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	got_pldirq = 0;
+
+	/* clear any pending interrupt */
+	out8(CFG_CPLD_BASE, 0);
+
+	irq_install_handler(CPLD_IRQ,
+			    (interrupt_handler_t *)pld_interrupt, 0);
+
+	printf("Waiting ...\n");
+	while(!got_pldirq) {
+		/* Abort if ctrl-c was pressed */
+		if (ctrlc()) {
+			puts("\nAbort\n");
+			break;
+		}
+	}
+	if (got_pldirq) {
+		printf("Got interrupt!\n");
+		printf("Power %sready!\n",
+		       in8(CFG_CPLD_BASE) & PWR_RDY ? "":"NOT ");
+	}
+
+	irq_free_handler(CPLD_IRQ);
+	return 0;
+}
+U_BOOT_CMD(
+	wpi,	1,	1,	do_waitpwrirq,
+	"wpi     - Wait for power change interrupt\n",
+	NULL
+	);
+
+
+/*
+ * initialize DVI panellink transmitter
+ */
+int dvi_init(void)
+{
+	int i;
+	int ret = 0;
+	unsigned int oldbus;
+	uchar u[] = {0x08, 0x34,
+		     0x09, 0x20,
+		     0x0a, 0x90,
+		     0x0c, 0x89,
+		     0x08, 0x35};
+
+	printf("DVI:   ");
+
+	oldbus = I2C_GET_BUS();
+	I2C_SET_BUS(0);
+
+	for (i = 0; i < sizeof(u); i += 2)
+		if (i2c_write (0x38, u[i], 1, &u[i + 1], 1)) {
+			ret = -1;
+			break;
+		}
+
+	if (ret == 0)
+		printf("initialized\n");
+	else
+		printf("failed - cannot initialize DVI transmitter\n");
+
+	I2C_SET_BUS(oldbus);
+	return ret;
+}
+
+int do_dviinit(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	dvi_init();
+	return 0;
+}
+U_BOOT_CMD(
+	dviinit, 1, 1, do_dviinit,
+	"dviinit - Initialize DVI Panellink transmitter\n",
+	NULL
+	);
+
+
+#if 1
+/*
+ * TODO: 'time' command might be useful for others as well.
+ *       Move to 'common' directory.
+ */
+int do_time(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned long long start, end;
+	char c, cmd[CFG_CBSIZE];
+	char *p, *d = cmd;
+	int ret, i;
+	ulong us;
+
+	for (i = 1; i < argc; i++) {
+		p = argv[i];
+
+		if (i > 1)
+			*d++ = ' ';
+
+		while ((c = *p++) != '\0') {
+			*d++ = c;
+		}
+	}
+	*d = '\0';
+
+	start = get_ticks();
+	ret = run_command (cmd, 0);
+	end = get_ticks();
+
+	printf("ticks=%d\n", (ulong)(end - start));
+	us = (ulong)((1000L * (end - start)) / (get_tbclk() / 1000));
+	printf("usec=%d\n", us);
+
+	return ret;
+}
+U_BOOT_CMD(
+	time,	CFG_MAXARGS,	1,	do_time,
+	"time    - run command and output execution time\n",
+	NULL
+	);
+#endif
+
+extern void video_hw_rectfill (
+	unsigned int bpp,		/* bytes per pixel */
+	unsigned int dst_x,		/* dest pos x */
+	unsigned int dst_y,		/* dest pos y */
+	unsigned int dim_x,		/* frame width */
+	unsigned int dim_y,		/* frame height */
+	unsigned int color		/* fill color */
+	);
+
+#if 0
+/*
+ * test commands for SM722 2D acceleration
+ */
+extern void video_hw_bitblt (
+	unsigned int bpp,		/* bytes per pixel */
+	unsigned int src_x,		/* source pos x */
+	unsigned int src_y,		/* source pos y */
+	unsigned int dst_x,		/* dest pos x */
+	unsigned int dst_y,		/* dest pos y */
+	unsigned int dim_x,		/* frame width */
+	unsigned int dim_y		/* frame height */
+	);
+
+extern void video_hw_drawline (
+	unsigned int bpp,
+	unsigned int x1,
+	unsigned int y1,
+	unsigned int x2,
+	unsigned int y2,
+	unsigned int color
+	);
+
+int do_gfxfill(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned int color = 0x0000f800;
+	unsigned int x=0, y=0, dx=100, dy=100;
+
+	if (argc > 1)
+		color = simple_strtoul (argv[1], NULL, 16);
+
+	if (argc > 2)
+		x = simple_strtoul (argv[2], NULL, 10);
+
+	if (argc > 3)
+		y = simple_strtoul (argv[3], NULL, 10);
+
+	if (argc > 4)
+		dx = simple_strtoul (argv[4], NULL, 10);
+
+	if (argc > 5)
+		dy = simple_strtoul (argv[5], NULL, 10);
+
+	video_hw_rectfill(2, x, y, dx, dy, color);
+
+	return 0;
+}
+U_BOOT_CMD(
+	gfxfill,	CFG_MAXARGS,	1,	do_gfxfill,
+	"gfxfill - fill rect\n",
+	"[color] [x] [y] [dx] [dy]\n"
+	);
+
+int do_gfxblt(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned int x=0, y=0, xd=500, yd=500, dx=100, dy=100;
+
+	if (argc > 1)
+		x = simple_strtoul (argv[1], NULL, 10);
+
+	if (argc > 2)
+		y = simple_strtoul (argv[2], NULL, 10);
+
+	if (argc > 3)
+		xd = simple_strtoul (argv[3], NULL, 10);
+
+	if (argc > 4)
+		yd = simple_strtoul (argv[4], NULL, 10);
+
+	if (argc > 5)
+		dx = simple_strtoul (argv[5], NULL, 10);
+
+	if (argc > 6)
+		dy = simple_strtoul (argv[6], NULL, 10);
+
+	video_hw_bitblt(2, x, y, xd, yd, dx, dy);
+
+	return 0;
+}
+U_BOOT_CMD(
+	gfxblt,	CFG_MAXARGS,	1,	do_gfxblt,
+	"gfxblt - bit blit\n",
+	"[x] [y] [xd] [yd] [dx] [dy]\n"
+	);
+
+
+int do_gfxline(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned int color = 0x0000001f;
+	unsigned int x1=0, y1=0, x2=100, y2=100;
+
+	if (argc > 1)
+		color = simple_strtoul (argv[1], NULL, 16);
+
+	if (argc > 2)
+		x1 = simple_strtoul (argv[2], NULL, 10);
+
+	if (argc > 3)
+		y1 = simple_strtoul (argv[3], NULL, 10);
+
+	if (argc > 4)
+		x2 = simple_strtoul (argv[4], NULL, 10);
+
+	if (argc > 5)
+		y2 = simple_strtoul (argv[5], NULL, 10);
+
+	video_hw_drawline(2, x1, y1, x2, y2, color);
+
+	return 0;
+}
+U_BOOT_CMD(
+	gfxline,	CFG_MAXARGS,	1,	do_gfxline,
+	"gfxline - draw line\n",
+	"[color] [x1] [y1] [x2] [y2]\n"
+	);
+#endif
+
+/*
+ * graphics demo
+ * draw rectangles using pseudorandom number generator
+ * (see http://www.embedded.com/columns/technicalinsights/20900500)
+ */
+unsigned int rprime = 9972;
+static unsigned int r;
+static unsigned int Y;
+
+unsigned int prng(unsigned int max)
+{
+	if (r == 0 || r == 1 || r == -1)
+		r = rprime; /* keep from getting stuck */
+
+	r = (9973 * ~r) + ((Y) % 701); /* the actual algorithm */
+	Y = (r >> 16) % max; /* choose upper bits and reduce */
+	return Y;
+}
+
+int do_gfxdemo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned int color;
+	unsigned int x, y, dx, dy;
+
+	while (!ctrlc()) {
+		x = prng(1280 - 1);
+		y = prng(1024 - 1);
+		dx = prng(1280- x - 1);
+		dy = prng(1024 - y - 1);
+		color = prng(0x10000);
+		video_hw_rectfill(2, x, y, dx, dy, color);
+	}
+
+	return 0;
+}
+U_BOOT_CMD(
+	gfxdemo,	CFG_MAXARGS,	1,	do_gfxdemo,
+	"gfxdemo - demo\n",
+	NULL
+	);
diff --git a/board/esd/du440/du440.h b/board/esd/du440/du440.h
new file mode 100644
index 0000000..5c362e4
--- /dev/null
+++ b/board/esd/du440/du440.h
@@ -0,0 +1,42 @@
+/*
+ * (C) Copyright 2008
+ * Matthias Fuchs, esd gmbh, matthias.fuchs at esd-electronics.com
+ *
+ * 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
+ */
+
+#define SDR0_USB0		0x0320     /* USB Control Register */
+
+#define CFG_GPIO0_EP_EEP	(0x80000000 >> 23)       /* GPIO0_23 */
+#define CFG_GPIO1_DCF77		(0x80000000 >> (42-32))  /* GPIO1_42 */
+
+#define CFG_GPIO1_IORSTN	(0x80000000 >> (55-32))  /* GPIO1_55 */
+
+#define CFG_GPIO1_HWVER_MASK	0x000000f0 /* GPIO1_56-59 */
+#define CFG_GPIO1_HWVER_SHIFT	4
+#define CFG_GPIO1_LEDUSR1	0x00000008 /* GPIO1_60 */
+#define CFG_GPIO1_LEDUSR2	0x00000004 /* GPIO1_61 */
+#define CFG_GPIO1_LEDPOST	0x00000002 /* GPIO1_62 */
+#define CFG_GPIO1_LEDDU		0x00000001 /* GPIO1_63 */
+
+#define CPLD_VERSION_MASK	0x0f
+#define PWR_INT_FLAG		0x80
+#define PWR_RDY			0x10
+
+#define CPLD_IRQ		(32+30)
+
+#define PCI_VENDOR_ID_ESDGMBH	0x12fe
+#define PCI_DEVICE_ID_DU440	0x0444
diff --git a/board/esd/du440/init.S b/board/esd/du440/init.S
new file mode 100644
index 0000000..1e15e72
--- /dev/null
+++ b/board/esd/du440/init.S
@@ -0,0 +1,80 @@
+/*
+ *
+ * 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 <ppc_asm.tmpl>
+#include <asm-ppc/mmu.h>
+#include <config.h>
+
+/**************************************************************************
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ *  Pointer to the table is returned in r1
+ *
+ *************************************************************************/
+    .section .bootpg,"ax"
+    .globl tlbtab
+
+tlbtab:
+	tlbtab_start
+
+	/*
+	 * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+	 * speed up boot process. It is patched after relocation to enable SA_I
+	 */
+	tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 1, AC_R|AC_W|AC_X|SA_G )
+
+#ifdef CFG_INIT_RAM_DCACHE
+	/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+	tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G )
+#endif
+
+	/* TLB-entry for PCI Memory */
+	tlbentry( CFG_PCI_MEMBASE, SZ_256M,  CFG_PCI_MEMBASE, 1, AC_R|AC_W|SA_G|SA_I )
+	tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 1, AC_R|AC_W|SA_G|SA_I )
+	tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 1, AC_R|AC_W|SA_G|SA_I )
+	tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 1, AC_R|AC_W|SA_G|SA_I )
+
+	/* TLB-entry for PCI IO */
+	tlbentry( CFG_PCI_IOBASE, SZ_64K, CFG_PCI_IOBASE, 1, AC_R|AC_W|SA_G|SA_I )
+
+	/* TLB-entries for EBC:	 CPLD, DUMEM, DUIO */
+	tlbentry( CFG_CPLD_BASE, SZ_1K, CFG_CPLD_BASE, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
+	tlbentry( CFG_DUMEM_BASE, SZ_1M, CFG_DUMEM_BASE, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
+	tlbentry( CFG_DUIO_BASE, SZ_64K, CFG_DUIO_BASE, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
+
+	/* TLB-entry for NAND */
+	tlbentry( CFG_NAND0_ADDR, SZ_1K, CFG_NAND0_ADDR, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
+	tlbentry( CFG_NAND1_ADDR, SZ_1K, CFG_NAND1_ADDR, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
+
+	/* TLB-entry for Internal Registers & OCM */
+	tlbentry( 0xe0000000, SZ_16M, 0xe0000000, 0,  AC_R|AC_W|AC_X|SA_I )
+
+	/* TLB-entry PCI registers */
+	tlbentry( 0xEEC00000, SZ_1K, 0xEEC00000, 1,  AC_R|AC_W|AC_X|SA_G|SA_I )
+
+	/* TLB-entry for peripherals */
+	tlbentry( 0xEF000000, SZ_16M, 0xEF000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
+
+	tlbtab_end
diff --git a/board/esd/du440/u-boot.lds b/board/esd/du440/u-boot.lds
new file mode 100644
index 0000000..a423f98
--- /dev/null
+++ b/board/esd/du440/u-boot.lds
@@ -0,0 +1,145 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd at 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  .resetvec 0xFFFFFFFC :
+  {
+    *(.resetvec)
+  } = 0xffff
+
+  .bootpg 0xFFFFF000 :
+  {
+    cpu/ppc4xx/start.o	(.bootpg)
+  } = 0xffff
+
+  /* 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      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/ppc4xx/start.o	(.text)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _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(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+
+  ppcenv_assert = ASSERT(. < 0xFFFF8000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified.");
+
+  _end = . ;
+  PROVIDE (end = .);
+}
-- 
1.5.3

^ permalink raw reply related	[flat|nested] 24+ messages in thread
end of thread, other threads:[~2008-01-17 10:41 UTC | newest]

Thread overview: 24+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2008-01-13 21:11 [U-Boot-Users] [PATCH 1/2] ppc4xx: Add DU440 board support Matthias Fuchs
2008-01-13 22:08 ` Wolfgang Denk
2008-01-14  8:58   ` Matthias Fuchs
2008-01-14  9:45     ` Wolfgang Denk
2008-01-14 10:05       ` Matthias Fuchs
2008-01-14 10:35         ` Stefan Roese
2008-01-15 22:17           ` [U-Boot-Users] [PATCH] ppc4xx: Sequoia coding style cleanup and beautification Matthias Fuchs
2008-01-16  7:31             ` Stefan Roese
2008-01-16  9:33               ` [U-Boot-Users] [PATCH V2] " Matthias Fuchs
2008-01-16 10:33                 ` Stefan Roese
2008-01-16 12:05           ` [U-Boot-Users] [PATCH 1/2] ppc4xx: Add DU440 board support Matthias Fuchs
2008-01-16 10:47   ` [U-Boot-Users] [PATCH V2] " Matthias Fuchs
     [not found]     ` <200801161219.08916.sr@denx.de>
2008-01-16 11:52       ` Matthias Fuchs
2008-01-16 15:23         ` Matthias Fuchs
2008-01-16 11:59       ` [U-Boot-Users] [PATCH V3] " Matthias Fuchs
2008-01-17  7:25         ` Stefan Roese
2008-01-17  9:52           ` [U-Boot-Users] [PATCH V4] " Matthias Fuchs
2008-01-17 10:40             ` Stefan Roese
2008-01-16 10:47   ` [U-Boot-Users] [PATCH V2] ppc4xx: Complete " Matthias Fuchs
2008-01-16 11:20     ` Stefan Roese
2008-01-16 12:00       ` [U-Boot-Users] [PATCH V3] " Matthias Fuchs
2008-01-17  7:28         ` Stefan Roese
2008-01-17  9:53           ` [U-Boot-Users] [PATCH V4] " Matthias Fuchs
2008-01-17 10:41             ` Stefan Roese

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