PXA270: Added support for TrizepsIV board.

This patch add support for the Trizeps IV module (520Mhz).

Signed-off-by: Stefano Babic <sbabic@denx.de>

Makefile

@@ -2334,6 +2334,9 @@ scpu_config:    unconfig
 pxa255_idp_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) arm pxa pxa255_idp
 
+trizepsiv_config	:	unconfig
+	@$(MKCONFIG) $(@:_config=) arm pxa trizepsiv
+
 wepep250_config	:	unconfig
 	@$(MKCONFIG) $(@:_config=) arm pxa wepep250
 

board/trizepsiv/Makefile

@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2000-2006
+# 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	:= conxs.o eeprom.o
+SOBJS	:= lowlevel_init.o pxavoltage.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(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
+
+#########################################################################

board/trizepsiv/config.mk

@@ -0,0 +1,3 @@
+TEXT_BASE =0xa1f00000
+# 0xa1700000
+#TEXT_BASE = 0

board/trizepsiv/conxs.c

@@ -0,0 +1,146 @@
+/*
+ * (C) Copyright 2007
+ * Stefano Babic, DENX Gmbh, sbabic@denx.de
+ *
+ * (C) Copyright 2004
+ * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
+ *
+ * (C) Copyright 2002
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.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 <asm/arch/pxa-regs.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define		RH_A_PSM	(1 << 8)	/* power switching mode */
+#define		RH_A_NPS	(1 << 9)	/* no power switching */
+
+extern struct serial_device serial_ffuart_device;
+extern struct serial_device serial_btuart_device;
+extern struct serial_device serial_stuart_device;
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+void usb_board_init(void)
+{
+	UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
+		~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
+
+	UHCHR |= UHCHR_FSBIR;
+
+	while (UHCHR & UHCHR_FSBIR);
+
+	UHCHR &= ~UHCHR_SSE;
+	UHCHIE = (UHCHIE_UPRIE | UHCHIE_RWIE);
+
+	/* Clear any OTG Pin Hold */
+	if (PSSR & PSSR_OTGPH)
+		PSSR |= PSSR_OTGPH;
+
+	UHCRHDA &= ~(RH_A_NPS);
+	UHCRHDA |= RH_A_PSM;
+
+	/* Set port power control mask bits, only 3 ports. */
+	UHCRHDB |= (0x7<<17);
+}
+
+void usb_board_init_fail(void)
+{
+	return;
+}
+
+void usb_board_stop(void)
+{
+	UHCHR |= UHCHR_FHR;
+	udelay(11);
+	UHCHR &= ~UHCHR_FHR;
+
+	UHCCOMS |= 1;
+	udelay(10);
+
+	CKEN &= ~CKEN10_USBHOST;
+
+	puts("Called USB STOP\n");
+	return;
+}
+
+int board_init (void)
+{
+	/* memory and cpu-speed are setup before relocation */
+	/* so we do _nothing_ here */
+
+	/* arch number of ConXS Board */
+	gd->bd->bi_arch_number = 776;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0xa000003c;
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+#if defined(CONFIG_SERIAL_MULTI)
+	char *console=getenv("boot_console");
+
+	if ((strcmp(console,"serial_btuart") == 0) ||
+		(strcmp(console,"serial_stuart") == 0) ||
+		(strcmp(console,"serial_ffuart") == 0)) {
+			setenv("stdout",console);
+			setenv("stdin", console);
+			setenv("stderr",console);
+	} else {
+		setenv("stdout", "serial");
+		setenv("stdin", "serial");
+		setenv("stderr", "serial");
+	}
+#endif
+	return 0;
+}
+
+struct serial_device *default_serial_console (void)
+{
+	return &serial_ffuart_device;
+}
+
+int dram_init (void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
+	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
+	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
+	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
+
+	return 0;
+}

board/trizepsiv/eeprom.c

@@ -0,0 +1,85 @@
+/*
+ * (C) Copyright 2007
+ * Stefano Babic, DENX Software Engineering, sbabic@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 <common.h>
+#include <command.h>
+
+static unsigned char srom[128];
+extern u16 read_srom_word(int);
+extern void write_srom_word(int offset, u16 val);
+
+static int do_read_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) {
+	int i;
+
+	for (i=0; i < 0x40; i++) {
+		if (!(i % 0x10))
+			printf("\n%08lx:", i);
+		printf(" %04x", read_srom_word(i));
+	}
+	printf ("\n");
+	return (0);
+}
+
+static int do_write_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) {
+	int offset,value;
+
+	if (argc < 4) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	offset=simple_strtoul(argv[2],NULL,16);
+	value=simple_strtoul(argv[3],NULL,16);
+	if (offset > 0x40) {
+		printf("Wrong offset : 0x%x\n",offset);
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+	write_srom_word(offset, value);
+	return (0);
+}
+
+int do_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) {
+	if (argc < 2) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	if (strcmp (argv[1],"read") == 0) {
+		return (do_read_dm9000_eeprom(cmdtp,flag,argc,argv));
+	} else if (strcmp (argv[1],"write") == 0) {
+		return (do_write_dm9000_eeprom(cmdtp,flag,argc,argv));
+	} else {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+}
+
+U_BOOT_CMD(
+	dm9000ee,4,1,do_dm9000_eeprom,
+	"dm9000ee- Read/Write eeprom connected to Ethernet Controller\n",
+	"\ndm9000ee write <word offset> <value> \n"
+	"\tdm9000ee read \n"
+	"\tword:\t\t00-02 : MAC Address\n"
+	"\t\t\t03-07 : DM9000 Configuration\n"
+	"\t\t\t08-63 : User data\n");

board/trizepsiv/lowlevel_init.S

@@ -0,0 +1,503 @@
+/*
+ * This was originally from the Lubbock u-boot port.
+ *
+ * Most of this taken from Redboot hal_platform_setup.h with cleanup
+ *
+ * NOTE: I haven't clean this up considerably, just enough to get it
+ * running. See hal_platform_setup.h for the source. See
+ * board/cradle/lowlevel_init.S for another PXA250 setup that is
+ * much cleaner.
+ *
+ * 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 <config.h>
+#include <version.h>
+#include <asm/arch/pxa-regs.h>
+
+/* wait for coprocessor write complete */
+   .macro CPWAIT reg
+   mrc	p15,0,\reg,c2,c0,0
+   mov	\reg,\reg
+   sub	pc,pc,#4
+   .endm
+
+
+/*
+ *	Memory setup
+ */
+
+.globl lowlevel_init
+lowlevel_init:
+
+	/* Set up GPIO pins first ----------------------------------------- */
+
+	ldr		r0,	=GPSR0
+	ldr		r1,	=CFG_GPSR0_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPSR1
+	ldr		r1,	=CFG_GPSR1_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPSR2
+	ldr		r1,	=CFG_GPSR2_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPSR3
+	ldr		r1,	=CFG_GPSR3_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPCR0
+	ldr		r1,	=CFG_GPCR0_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPCR1
+	ldr		r1,	=CFG_GPCR1_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPCR2
+	ldr		r1,	=CFG_GPCR2_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPCR3
+	ldr		r1,	=CFG_GPCR3_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GRER0
+	ldr		r1,	=CFG_GRER0_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GRER1
+	ldr		r1,	=CFG_GRER1_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GRER2
+	ldr		r1,	=CFG_GRER2_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GRER3
+	ldr		r1,	=CFG_GRER3_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GFER0
+	ldr		r1,	=CFG_GFER0_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GFER1
+	ldr		r1,	=CFG_GFER1_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GFER2
+	ldr		r1,	=CFG_GFER2_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GFER3
+	ldr		r1,	=CFG_GFER3_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPDR0
+	ldr		r1,	=CFG_GPDR0_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPDR1
+	ldr		r1,	=CFG_GPDR1_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPDR2
+	ldr		r1,	=CFG_GPDR2_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPDR3
+	ldr		r1,	=CFG_GPDR3_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR0_L
+	ldr		r1,	=CFG_GAFR0_L_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR0_U
+	ldr		r1,	=CFG_GAFR0_U_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR1_L
+	ldr		r1,	=CFG_GAFR1_L_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR1_U
+	ldr		r1,	=CFG_GAFR1_U_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR2_L
+	ldr		r1,	=CFG_GAFR2_L_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR2_U
+	ldr		r1,	=CFG_GAFR2_U_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR3_L
+	ldr		r1,	=CFG_GAFR3_L_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR3_U
+	ldr		r1,	=CFG_GAFR3_U_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=PSSR		/* enable GPIO pins */
+	ldr		r1,	=CFG_PSSR_VAL
+	str		r1,   [r0]
+
+	/* ---------------------------------------------------------------- */
+	/* Enable memory interface					    */
+	/*								    */
+	/* The sequence below is based on the recommended init steps	    */
+	/* detailed in the Intel PXA250 Operating Systems Developers Guide, */
+	/* Chapter 10.							    */
+	/* ---------------------------------------------------------------- */
+
+	/* ---------------------------------------------------------------- */
+	/* Step 1: Wait for at least 200 microsedonds to allow internal	    */
+	/*	   clocks to settle. Only necessary after hard reset...	    */
+	/*	   FIXME: can be optimized later			    */
+	/* ---------------------------------------------------------------- */
+
+	ldr r3, =OSCR			/* reset the OS Timer Count to zero */
+	mov r2, #0
+	str r2, [r3]
+	ldr r4, =0x300			/* really 0x2E1 is about 200usec,   */
+					/* so 0x300 should be plenty	    */
+1:
+	ldr r2, [r3]
+	cmp r4, r2
+	bgt 1b
+
+mem_init:
+
+	ldr	r1,  =MEMC_BASE		/* get memory controller base addr. */
+
+	/* ---------------------------------------------------------------- */
+	/* Step 2a: Initialize Asynchronous static memory controller	    */
+	/* ---------------------------------------------------------------- */
+
+	/* MSC registers: timing, bus width, mem type			    */
+
+	/* MSC0: nCS(0,1)						    */
+	ldr	r2,   =CFG_MSC0_VAL
+	str	r2,   [r1, #MSC0_OFFSET]
+	ldr	r2,   [r1, #MSC0_OFFSET]	/* read back to ensure	    */
+						/* that data latches	    */
+	/* MSC1: nCS(2,3)						    */
+	ldr	r2,  =CFG_MSC1_VAL
+	str	r2,  [r1, #MSC1_OFFSET]
+	ldr	r2,  [r1, #MSC1_OFFSET]
+
+	/* MSC2: nCS(4,5)						    */
+	ldr	r2,  =CFG_MSC2_VAL
+	str	r2,  [r1, #MSC2_OFFSET]
+	ldr	r2,  [r1, #MSC2_OFFSET]
+
+	/* ---------------------------------------------------------------- */
+	/* Step 2b: Initialize Card Interface				    */
+	/* ---------------------------------------------------------------- */
+
+	/* MECR: Memory Expansion Card Register				    */
+	ldr	r2,  =CFG_MECR_VAL
+	str	r2,  [r1, #MECR_OFFSET]
+	ldr	r2,	[r1, #MECR_OFFSET]
+
+	/* MCMEM0: Card Interface slot 0 timing				    */
+	ldr	r2,  =CFG_MCMEM0_VAL
+	str	r2,  [r1, #MCMEM0_OFFSET]
+	ldr	r2,	[r1, #MCMEM0_OFFSET]
+
+	/* MCMEM1: Card Interface slot 1 timing				    */
+	ldr	r2,  =CFG_MCMEM1_VAL
+	str	r2,  [r1, #MCMEM1_OFFSET]
+	ldr	r2,	[r1, #MCMEM1_OFFSET]
+
+	/* MCATT0: Card Interface Attribute Space Timing, slot 0	    */
+	ldr	r2,  =CFG_MCATT0_VAL
+	str	r2,  [r1, #MCATT0_OFFSET]
+	ldr	r2,	[r1, #MCATT0_OFFSET]
+
+	/* MCATT1: Card Interface Attribute Space Timing, slot 1	    */
+	ldr	r2,  =CFG_MCATT1_VAL
+	str	r2,  [r1, #MCATT1_OFFSET]
+	ldr	r2,	[r1, #MCATT1_OFFSET]
+
+	/* MCIO0: Card Interface I/O Space Timing, slot 0		    */
+	ldr	r2,  =CFG_MCIO0_VAL
+	str	r2,  [r1, #MCIO0_OFFSET]
+	ldr	r2,	[r1, #MCIO0_OFFSET]
+
+	/* MCIO1: Card Interface I/O Space Timing, slot 1		    */
+	ldr	r2,  =CFG_MCIO1_VAL
+	str	r2,  [r1, #MCIO1_OFFSET]
+	ldr	r2,	[r1, #MCIO1_OFFSET]
+
+	/* ---------------------------------------------------------------- */
+	/* Step 2c: Write FLYCNFG  FIXME: what's that???		    */
+	/* ---------------------------------------------------------------- */
+	ldr	r2,  =CFG_FLYCNFG_VAL
+	str	r2,  [r1, #FLYCNFG_OFFSET]
+	str	r2,	[r1, #FLYCNFG_OFFSET]
+
+	/* ---------------------------------------------------------------- */
+	/* Step 2d: Initialize Timing for Sync Memory (SDCLK0)		    */
+	/* ---------------------------------------------------------------- */
+
+	/* Before accessing MDREFR we need a valid DRI field, so we set	    */
+	/* this to power on defaults + DRI field.			    */
+
+	ldr	r4,	[r1, #MDREFR_OFFSET]
+	ldr	r2,	=0xFFF
+	bic	r4,	r4, r2
+
+	ldr	r3,	=CFG_MDREFR_VAL
+	and	r3,	r3,  r2
+
+	orr	r4,	r4, r3
+	str	r4,	[r1, #MDREFR_OFFSET]	/* write back MDREFR	    */
+
+	orr	r4,  r4, #MDREFR_K0RUN
+	orr	r4,  r4, #MDREFR_K0DB4
+	orr	r4,  r4, #MDREFR_K0FREE
+	orr	r4,  r4, #MDREFR_K0DB2
+	orr	r4,  r4, #MDREFR_K1DB2
+	bic	r4,  r4, #MDREFR_K1FREE
+	bic	r4,  r4, #MDREFR_K2FREE
+
+	str	r4,	[r1, #MDREFR_OFFSET]	/* write back MDREFR	    */
+	ldr	r4,  [r1, #MDREFR_OFFSET]
+
+	/* Note: preserve the mdrefr value in r4			    */
+
+
+	/* ---------------------------------------------------------------- */
+	/* Step 3: Initialize Synchronous Static Memory (Flash/Peripherals) */
+	/* ---------------------------------------------------------------- */
+
+	/* Initialize SXCNFG register. Assert the enable bits		    */
+
+	/* Write SXMRS to cause an MRS command to all enabled banks of	    */
+	/* synchronous static memory. Note that SXLCR need not be written   */
+	/* at this time.						    */
+
+	ldr	r2,  =CFG_SXCNFG_VAL
+	str	r2,  [r1, #SXCNFG_OFFSET]
+
+	/* ---------------------------------------------------------------- */
+	/* Step 4: Initialize SDRAM					    */
+	/* ---------------------------------------------------------------- */
+
+	bic	r4, r4, #(MDREFR_K2FREE |MDREFR_K1FREE | MDREFR_K0FREE)
+
+	orr	r4, r4, #MDREFR_K1RUN
+	bic	r4, r4, #MDREFR_K2DB2
+	str	r4, [r1, #MDREFR_OFFSET]
+	ldr	r4, [r1, #MDREFR_OFFSET]
+
+	bic	r4, r4, #MDREFR_SLFRSH
+	str	r4, [r1, #MDREFR_OFFSET]
+	ldr	r4, [r1, #MDREFR_OFFSET]
+
+	orr	r4, r4, #MDREFR_E1PIN
+	str	r4, [r1, #MDREFR_OFFSET]
+	ldr	r4, [r1, #MDREFR_OFFSET]
+
+	nop
+	nop
+
+
+	/* Step 4d: write MDCNFG with MDCNFG:DEx deasserted (set to 0), to  */
+	/*	    configure but not enable each SDRAM partition pair.	    */
+
+	ldr	r4,	=CFG_MDCNFG_VAL
+	bic	r4,	r4,	#(MDCNFG_DE0|MDCNFG_DE1)
+	bic	r4,	r4,	#(MDCNFG_DE2|MDCNFG_DE3)
+
+	str	r4,	[r1, #MDCNFG_OFFSET]	/* write back MDCNFG	    */
+	ldr	r4,	[r1, #MDCNFG_OFFSET]
+
+
+	/* Step 4e: Wait for the clock to the SDRAMs to stabilize,	    */
+	/*	    100..200 µsec.					    */
+
+	ldr r3, =OSCR			/* reset the OS Timer Count to zero */
+	mov r2, #0
+	str r2, [r3]
+	ldr r4, =0x300			/* really 0x2E1 is about 200usec,   */
+					/* so 0x300 should be plenty	    */
+1:
+	    ldr r2, [r3]
+	    cmp r4, r2
+	    bgt 1b
+
+
+	/* Step 4f: Trigger a number (usually 8) refresh cycles by	    */
+	/*	    attempting non-burst read or write accesses to disabled */
+	/*	    SDRAM, as commonly specified in the power up sequence   */
+	/*	    documented in SDRAM data sheets. The address(es) used   */
+	/*	    for this purpose must not be cacheable.		    */
+
+	ldr	r3,	=CFG_DRAM_BASE
+	str	r2,	[r3]
+	str	r2,	[r3]
+	str	r2,	[r3]
+	str	r2,	[r3]
+	str	r2,	[r3]
+	str	r2,	[r3]
+	str	r2,	[r3]
+	str	r2,	[r3]
+
+
+	/* Step 4g: Write MDCNFG with enable bits asserted		    */
+	/*	    (MDCNFG:DEx set to 1).				    */
+
+	ldr	r3,	[r1, #MDCNFG_OFFSET]
+	mov	r4, r3
+	orr	r3,	r3,	#MDCNFG_DE0
+	str	r3,	[r1, #MDCNFG_OFFSET]
+	mov	r0, r3
+
+	/* Step 4h: Write MDMRS.					    */
+
+	ldr	r2,  =CFG_MDMRS_VAL
+	str	r2,  [r1, #MDMRS_OFFSET]
+
+	/* enable APD */
+	ldr	r3,  [r1, #MDREFR_OFFSET]
+	orr	r3,  r3,  #MDREFR_APD
+	str	r3,  [r1, #MDREFR_OFFSET]
+
+	/* We are finished with Intel's memory controller initialisation    */
+
+
+setvoltage:
+
+	mov	r10,	lr
+	bl	initPXAvoltage	/* In case the board is rebooting with a    */
+	mov	lr,	r10	/* low voltage raise it up to a good one.   */
+
+#if 1
+	b initirqs
+#endif
+
+wakeup:
+	/* Are we waking from sleep? */
+	ldr	r0,	=RCSR
+	ldr	r1,	[r0]
+	and	r1,	r1, #(RCSR_GPR | RCSR_SMR | RCSR_WDR | RCSR_HWR)
+	str	r1,	[r0]
+	teq	r1,	#RCSR_SMR
+
+	bne	initirqs
+
+	ldr	r0,	=PSSR
+	mov	r1,	#PSSR_PH
+	str	r1,	[r0]
+
+	/* if so, resume at PSPR */
+	ldr	r0,	=PSPR
+	ldr	r1,	[r0]
+	mov	pc,	r1
+
+	/* ---------------------------------------------------------------- */
+	/* Disable (mask) all interrupts at interrupt controller	    */
+	/* ---------------------------------------------------------------- */
+
+initirqs:
+
+	mov	r1,  #0		/* clear int. level register (IRQ, not FIQ) */
+	ldr	r2,  =ICLR
+	str	r1,  [r2]
+
+	ldr	r2,  =ICMR	/* mask all interrupts at the controller    */
+	str	r1,  [r2]
+
+	/* ---------------------------------------------------------------- */
+	/* Clock initialisation						    */
+	/* ---------------------------------------------------------------- */
+
+initclks:
+
+	/* Disable the peripheral clocks, and set the core clock frequency  */
+
+	/* Turn Off on-chip peripheral clocks (except for memory)	    */
+	/* for re-configuration.					    */
+	ldr	r1,  =CKEN
+	ldr	r2,  =CFG_CKEN
+	str	r2,  [r1]
+
+	/* ... and write the core clock config register			    */
+	ldr	r2,  =CFG_CCCR
+	ldr	r1,  =CCCR
+	str	r2,  [r1]
+
+	/* Turn on turbo mode */
+	mrc	p14, 0, r2, c6, c0, 0
+	orr	r2, r2, #0xB		/* Turbo, Fast-Bus, Freq change**/
+	mcr	p14, 0, r2, c6, c0, 0
+
+	/* Re-write MDREFR */
+	ldr	r1, =MEMC_BASE
+	ldr	r2, [r1, #MDREFR_OFFSET]
+	str	r2, [r1, #MDREFR_OFFSET]
+#ifdef RTC
+	/* enable the 32Khz oscillator for RTC and PowerManager		    */
+	ldr	r1,  =OSCC
+	mov	r2,  #OSCC_OON
+	str	r2,  [r1]
+
+	/* NOTE:  spin here until OSCC.OOK get set, meaning the PLL	    */
+	/* has settled.							    */
+60:
+	ldr	r2, [r1]
+	ands	r2, r2, #1
+	beq	60b
+#else
+#error "RTC not defined"
+#endif
+
+	/* Interrupt init: Mask all interrupts				    */
+    ldr r0, =ICMR /* enable no sources */
+	mov r1, #0
+    str r1, [r0]
+	/* FIXME */
+
+#ifdef NODEBUG
+	/*Disable software and data breakpoints */
+	mov	r0,#0
+	mcr	p15,0,r0,c14,c8,0  /* ibcr0 */
+	mcr	p15,0,r0,c14,c9,0  /* ibcr1 */
+	mcr	p15,0,r0,c14,c4,0  /* dbcon */
+
+	/*Enable all debug functionality */
+	mov	r0,#0x80000000
+	mcr	p14,0,r0,c10,c0,0  /* dcsr */
+#endif
+
+	/* ---------------------------------------------------------------- */
+	/* End lowlevel_init							    */
+	/* ---------------------------------------------------------------- */
+
+endlowlevel_init:
+
+	mov	pc, lr

board/trizepsiv/pxavoltage.S

@@ -0,0 +1,31 @@
+/*
+ * (C) Copyright 2007
+ * Stefano Babic, DENX Gmbh, sbabic@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 <asm/arch/pxa-regs.h>
+
+
+		.global	initPXAvoltage
+
+initPXAvoltage:
+		mov	pc, lr
+

board/trizepsiv/u-boot.lds

@@ -0,0 +1,56 @@
+/*
+ * (C) Copyright 2000
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text      :
+	{
+	  cpu/pxa/start.o	(.text)
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data : { *(.data) }
+
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+	. = .;
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	_end = .;
+}

drivers/dm9000x.c

@@ -99,7 +99,7 @@ void eth_halt(void);
 static int dm9000_probe(void);
 static u16 phy_read(int);
 static void phy_write(int, u16);
-static u16 read_srom_word(int);
+u16 read_srom_word(int);
 static u8 DM9000_ior(int);
 static void DM9000_iow(int reg, u8 value);
 
@@ -537,7 +537,7 @@ eth_rx(void)
 /*
   Read a word data from SROM
 */
-static u16
+u16
 read_srom_word(int offset)
 {
 	DM9000_iow(DM9000_EPAR, offset);
@@ -547,6 +547,18 @@ read_srom_word(int offset)
 	return (DM9000_ior(DM9000_EPDRL) + (DM9000_ior(DM9000_EPDRH) << 8));
 }
 
+void
+write_srom_word(int offset, u16 val)
+{
+	DM9000_iow(DM9000_EPAR, offset);
+	DM9000_iow(DM9000_EPDRH, ((val >> 8) & 0xff));
+	DM9000_iow(DM9000_EPDRL, (val & 0xff));
+	DM9000_iow(DM9000_EPCR, 0x12);
+	udelay(8000);
+	DM9000_iow(DM9000_EPCR, 0);
+}
+
+
 /*
    Read a byte from I/O port
 */

include/configs/trizepsiv.h

@@ -0,0 +1,325 @@
+/*
+ * (C) Copyright 2007
+ * Stefano Babic, DENX Gmbh, sbabic@denx.de
+ *
+ * (C) Copyright 2004
+ * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
+ *
+ * (C) Copyright 2002
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * Configuation settings for the LUBBOCK board.
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_PXA27X		1	/* This is an PXA27x CPU    */
+
+#define LITTLEENDIAN		1	/* used by usb_ohci.c		*/
+
+#define CONFIG_MMC		1
+#define BOARD_LATE_INIT		1
+
+#undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff */
+
+#define RTC
+
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN	    (CFG_ENV_SIZE + 128*1024)
+#define CFG_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
+
+/*
+ * Hardware drivers
+ */
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_SERIAL_MULTI
+#define CONFIG_FFUART	       1       /* we use FFUART on Conxs */
+#define CONFIG_BTUART	       1       /* we use BTUART on Conxs */
+#define CONFIG_STUART	       1       /* we use STUART on Conxs */
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BAUDRATE	       38400
+
+#define CONFIG_DOS_PARTITION   1
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_IMLS
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_USB
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+
+#undef CONFIG_SHOW_BOOT_PROGRESS
+
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_SERVERIP		192.168.1.99
+#define CONFIG_BOOTCOMMAND	"run boot_flash"
+#define CONFIG_BOOTARGS		"console=ttyS0,38400 ramdisk_size=12288"\
+				" rw root=/dev/ram initrd=0xa0800000,5m"
+
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	"program_boot_mmc="						\
+			"mw.b 0xa0010000 0xff 0x20000; "		\
+			"if	 mmcinit && "				\
+				"fatload mmc 0 0xa0010000 u-boot.bin; "	\
+			"then "						\
+				"protect off 0x0 0x1ffff; "		\
+				"erase 0x0 0x1ffff; "			\
+				"cp.b 0xa0010000 0x0 0x20000; "		\
+			"fi\0"						\
+	"program_uzImage_mmc="						\
+			"mw.b 0xa0010000 0xff 0x180000; "		\
+			"if	 mmcinit && "				\
+				"fatload mmc 0 0xa0010000 uzImage; "	\
+			"then "						\
+				"protect off 0x40000 0x1bffff; "	\
+				"erase 0x40000 0x1bffff; "		\
+				"cp.b 0xa0010000 0x40000 0x180000; "	\
+			"fi\0"						\
+	"program_ramdisk_mmc="						\
+			"mw.b 0xa0010000 0xff 0x500000; "		\
+			"if	 mmcinit && "				\
+				"fatload mmc 0 0xa0010000 ramdisk.gz; "	\
+			"then "						\
+				"protect off 0x1c0000 0x6bffff; "	\
+				"erase 0x1c0000 0x6bffff; "		\
+				"cp.b 0xa0010000 0x1c0000 0x500000; "	\
+			"fi\0"						\
+	"boot_mmc="							\
+			"if	 mmcinit && "				\
+				"fatload mmc 0 0xa0030000 uzImage && "	\
+				"fatload mmc 0 0xa0800000 ramdisk.gz; "	\
+			"then "						\
+				"bootm 0xa0030000; "			\
+			"fi\0"						\
+	"boot_flash="							\
+			"cp.b 0x1c0000 0xa0800000 0x500000; "		\
+			"bootm 0x40000\0"				\
+
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_CMDLINE_TAG	 1	/* enable passing of ATAGs	*/
+/* #define CONFIG_INITRD_TAG	 1 */
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE	230400		/* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX	2		/* which serial port to use */
+#endif
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_HUSH_PARSER		1
+#define CFG_PROMPT_HUSH_PS2	"> "
+
+#define CFG_LONGHELP				/* undef to save memory		*/
+#ifdef CFG_HUSH_PARSER
+#define CFG_PROMPT		"$ "		/* Monitor Command Prompt */
+#else
+#define CFG_PROMPT		"=> "		/* Monitor Command Prompt */
+#endif
+#define CFG_CBSIZE		256		/* Console I/O Buffer Size	*/
+#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_DEVICE_NULLDEV	1
+
+#define CFG_MEMTEST_START	0xa0400000	/* memtest works on	*/
+#define CFG_MEMTEST_END		0xa0800000	/* 4 ... 8 MB in DRAM	*/
+
+#undef	CFG_CLKS_IN_HZ		/* everything, incl board info, in Hz */
+
+#define CFG_LOAD_ADDR		0xa1000000	/* default load address */
+
+#define CFG_HZ			3686400		/* incrementer freq: 3.6864 MHz */
+#define CFG_CPUSPEED		0x207		/* need to look more closely, I think this is Turbo = 2x, L=91Mhz */
+
+						/* valid baudrates */
+#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+#define CFG_MMC_BASE		0xF0000000
+
+/*
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE	(128*1024)	/* regular stack */
+#ifdef CONFIG_USE_IRQ
+#define CONFIG_STACKSIZE_IRQ	(4*1024)	/* IRQ stack */
+#define CONFIG_STACKSIZE_FIQ	(4*1024)	/* FIQ stack */
+#endif
+
+/*
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS	4	   /* we have 2 banks of DRAM */
+#define PHYS_SDRAM_1		0xa0000000 /* SDRAM Bank #1 */
+#define PHYS_SDRAM_1_SIZE	0x04000000 /* 64 MB */
+#define PHYS_SDRAM_2		0xa4000000 /* SDRAM Bank #2 */
+#define PHYS_SDRAM_2_SIZE	0x00000000 /* 0 MB */
+#define PHYS_SDRAM_3		0xa8000000 /* SDRAM Bank #3 */
+#define PHYS_SDRAM_3_SIZE	0x00000000 /* 0 MB */
+#define PHYS_SDRAM_4		0xac000000 /* SDRAM Bank #4 */
+#define PHYS_SDRAM_4_SIZE	0x00000000 /* 0 MB */
+
+#define PHYS_FLASH_1		0x00000000 /* Flash Bank #1 */
+
+#define CFG_DRAM_BASE		0xa0000000
+#define CFG_DRAM_SIZE		0x04000000
+
+#define CFG_FLASH_BASE		PHYS_FLASH_1
+
+/*
+ * GPIO settings
+ */
+#define CFG_GPSR0_VAL		0x00018000
+#define CFG_GPSR1_VAL		0x00000000
+#define CFG_GPSR2_VAL		0x400dc000
+#define CFG_GPSR3_VAL		0x00000000
+#define CFG_GPCR0_VAL		0x00000000
+#define CFG_GPCR1_VAL		0x00000000
+#define CFG_GPCR2_VAL		0x00000000
+#define CFG_GPCR3_VAL		0x00000000
+#define CFG_GPDR0_VAL		0x00018000
+#define CFG_GPDR1_VAL		0x00028801
+#define CFG_GPDR2_VAL		0x520dc000
+#define CFG_GPDR3_VAL		0x0001E000
+#define CFG_GAFR0_L_VAL		0x801c0000
+#define CFG_GAFR0_U_VAL		0x00000013
+#define CFG_GAFR1_L_VAL		0x6990100A
+#define CFG_GAFR1_U_VAL		0x00000008
+#define CFG_GAFR2_L_VAL		0xA0000000
+#define CFG_GAFR2_U_VAL		0x010900F2
+#define CFG_GAFR3_L_VAL		0x54000003
+#define CFG_GAFR3_U_VAL		0x00002401
+#define CFG_GRER0_VAL		0x00000000
+#define CFG_GRER1_VAL		0x00000000
+#define CFG_GRER2_VAL		0x00000000
+#define CFG_GRER3_VAL		0x00000000
+#define CFG_GFER0_VAL		0x00000000
+#define CFG_GFER1_VAL		0x00000000
+#define CFG_GFER2_VAL		0x00000000
+#define CFG_GFER3_VAL		0x00000020
+
+
+#define CFG_PSSR_VAL		0x20	/* CHECK */
+
+/*
+ * Clock settings
+ */
+#define CFG_CKEN		0x01FFFFFF	/* CHECK */
+#define CFG_CCCR		0x02000290 /*   520Mhz */
+
+/*
+ * Memory settings
+ */
+
+#define CFG_MSC0_VAL		0x4df84df0
+#define CFG_MSC1_VAL		0x7ff87ff4
+#define CFG_MSC2_VAL		0xa26936d4
+#define CFG_MDCNFG_VAL		0x880009C9
+#define CFG_MDREFR_VAL		0x20ca201e
+#define CFG_MDMRS_VAL		0x00220022
+
+#define CFG_FLYCNFG_VAL		0x00000000
+#define CFG_SXCNFG_VAL		0x40044004
+
+/*
+ * PCMCIA and CF Interfaces
+ */
+#define CFG_MECR_VAL		0x00000001
+#define CFG_MCMEM0_VAL		0x00004204
+#define CFG_MCMEM1_VAL		0x00010204
+#define CFG_MCATT0_VAL		0x00010504
+#define CFG_MCATT1_VAL		0x00010504
+#define CFG_MCIO0_VAL		0x00008407
+#define CFG_MCIO1_VAL		0x0000c108
+
+#define CONFIG_DRIVER_DM9000		1
+#define CONFIG_DRIVER_DM9000		1
+#define CONFIG_DM9000_BASE	0x08000000
+#define DM9000_IO			CONFIG_DM9000_BASE
+#define DM9000_DATA			(CONFIG_DM9000_BASE+0x8004)
+/* #define CONFIG_DM9000_USE_8BIT */
+/* #define CONFIG_DM9000_USE_16BIT */
+#define CONFIG_DM9000_USE_32BIT
+
+#define CONFIG_USB_OHCI_NEW	1
+#define CFG_USB_OHCI_BOARD_INIT	1
+#define CFG_USB_OHCI_MAX_ROOT_PORTS	3
+#define CFG_USB_OHCI_REGS_BASE	0x4C000000
+#define CFG_USB_OHCI_SLOT_NAME	"trizepsiv"
+#define CONFIG_USB_STORAGE	1
+#define CFG_USB_OHCI_CPU_INIT	1
+
+/*
+ * FLASH and environment organization
+ */
+
+#define CFG_FLASH_CFI
+#define CFG_FLASH_CFI_DRIVER	1
+
+#define CFG_MONITOR_BASE	0
+#define CFG_MONITOR_LEN		0x40000
+
+#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
+#define CFG_MAX_FLASH_SECT	4 + 255  /* max number of sectors on one chip    */
+
+/* timeout values are in ticks */
+#define CFG_FLASH_ERASE_TOUT	(25*CFG_HZ) /* Timeout for Flash Erase */
+#define CFG_FLASH_WRITE_TOUT	(25*CFG_HZ) /* Timeout for Flash Write */
+
+/* write flash less slowly */
+#define CFG_FLASH_USE_BUFFER_WRITE 1
+
+/* Flash environment locations */
+#define CFG_ENV_IS_IN_FLASH	1
+#define CFG_ENV_ADDR		(PHYS_FLASH_1 + CFG_MONITOR_LEN)	/* Addr of Environment Sector	*/
+#define CFG_ENV_SIZE		0x40000	/* Total Size of Environment     	*/
+#define CFG_ENV_SECT_SIZE	0x40000	/* Total Size of Environment Sector	*/
+
+/* 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)
+
+#endif	/* __CONFIG_H */