Patches by David Snowdon, 07 Sep 2004:
- add u-boot.hex target in the top level Makefile
- add support for the UNSW/NICTA PLEB 2 board (pleb2)
- use -mtune=xscale and -march=armv5 options for PXA
diff --git a/CHANGELOG b/CHANGELOG
index cdb1913..b15aaf0 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,11 @@
Changes for U-Boot 1.1.3:
======================================================================
+* Patches by David Snowdon, 07 Sep 2004:
+ - add u-boot.hex target in the top level Makefile
+ - add support for the UNSW/NICTA PLEB 2 board (pleb2)
+ - use -mtune=xscale and -march=armv5 options for PXA
+
* Patch by Florian Schlote, 08 Sep 2004:
Add support for SenTec-COBRA5272-board (Coldfire).
diff --git a/Makefile b/Makefile
index d5d2713..df4b3ed 100644
--- a/Makefile
+++ b/Makefile
@@ -139,6 +139,9 @@
all: $(ALL)
+u-boot.hex: u-boot
+ $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
+
u-boot.srec: u-boot
$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
@@ -1584,7 +1587,7 @@
| xargs -0 rm -f
rm -f $(OBJS) *.bak tags TAGS
rm -fr *.*~
- rm -f u-boot u-boot.map $(ALL)
+ rm -f u-boot u-boot.map u-boot.hex $(ALL)
rm -f tools/crc32.c tools/environment.c tools/env/crc32.c
rm -f tools/inca-swap-bytes cpu/mpc824x/bedbug_603e.c
rm -f include/asm/proc include/asm/arch include/asm
diff --git a/board/pleb2/Makefile b/board/pleb2/Makefile
new file mode 100644
index 0000000..5fdc874
--- /dev/null
+++ b/board/pleb2/Makefile
@@ -0,0 +1,48 @@
+
+#
+# (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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS := pleb2.o flash.o
+SOBJS := memsetup.o
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) crv $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/pleb2/config.mk b/board/pleb2/config.mk
new file mode 100644
index 0000000..6958a63
--- /dev/null
+++ b/board/pleb2/config.mk
@@ -0,0 +1,3 @@
+TEXT_BASE = 0xa1F80000
+#TEXT_BASE = 0xa3080000
+#TEXT_BASE = 0
diff --git a/board/pleb2/flash.c b/board/pleb2/flash.c
new file mode 100644
index 0000000..97271d9
--- /dev/null
+++ b/board/pleb2/flash.c
@@ -0,0 +1,814 @@
+/*
+ * (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
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+/* environment.h defines the various CFG_ENV_... values in terms
+ * of whichever ones are given in the configuration file.
+ */
+#include <environment.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/* NOTE - CONFIG_FLASH_16BIT means the CPU interface is 16-bit, it
+ * has nothing to do with the flash chip being 8-bit or 16-bit.
+ */
+#ifdef CONFIG_FLASH_16BIT
+typedef unsigned short FLASH_PORT_WIDTH;
+typedef volatile unsigned short FLASH_PORT_WIDTHV;
+
+#define FLASH_ID_MASK 0xFFFF
+#else
+typedef unsigned long FLASH_PORT_WIDTH;
+typedef volatile unsigned long FLASH_PORT_WIDTHV;
+
+#define FLASH_ID_MASK 0xFFFFFFFF
+#endif
+
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
+
+#define ORMASK(size) ((-size) & OR_AM_MSK)
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (FPWV * addr, flash_info_t * info);
+static void flash_reset (flash_info_t * info);
+static int write_word_intel (flash_info_t * info, FPWV * dest, FPW data);
+static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data);
+static void flash_get_offsets (ulong base, flash_info_t * info);
+
+#ifdef CFG_FLASH_PROTECTION
+static void flash_sync_real_protect (flash_info_t * info);
+#endif
+
+/*-----------------------------------------------------------------------
+ * flash_init()
+ *
+ * sets up flash_info and returns size of FLASH (bytes)
+ */
+unsigned long flash_init (void)
+{
+ unsigned long size_b;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ size_b = flash_get_size ((FPW *) CFG_FLASH_BASE, &flash_info[0]);
+
+ flash_info[0].size = size_b;
+
+ if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+ printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx\n",
+ size_b);
+ }
+
+ /* Do this again (was done already in flast_get_size), just
+ * in case we move it when remap the FLASH.
+ */
+ flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]);
+
+#ifdef CFG_FLASH_PROTECTION
+ /* read the hardware protection status (if any) into the
+ * protection array in flash_info.
+ */
+ flash_sync_real_protect (&flash_info[0]);
+#endif
+
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+ /* monitor protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[0]);
+#endif
+
+#ifdef CFG_ENV_ADDR
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
+#endif
+
+#ifdef CFG_ENV_ADDR_REDUND
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR_REDUND,
+ CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
+ &flash_info[0]);
+#endif
+
+ return (size_b);
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_reset (flash_info_t * info)
+{
+ FPWV *base = (FPWV *) (info->start[0]);
+
+ /* Put FLASH back in read mode */
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL)
+ *base = (FPW) 0x00FF00FF; /* Intel Read Mode */
+ else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD)
+ *base = (FPW) 0x00F000F0; /* AMD Read Mode */
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t * info)
+{
+ int i;
+
+ /* set up sector start address table */
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL
+ && (info->flash_id & FLASH_BTYPE)) {
+ int bootsect_size; /* number of bytes/boot sector */
+ int sect_size; /* number of bytes/regular sector */
+
+ bootsect_size = 0x00002000 * (sizeof (FPW) / 2);
+ sect_size = 0x00010000 * (sizeof (FPW) / 2);
+
+ /* set sector offsets for bottom boot block type */
+ for (i = 0; i < 8; ++i) {
+ info->start[i] = base + (i * bootsect_size);
+ }
+ for (i = 8; i < info->sector_count; i++) {
+ info->start[i] = base + ((i - 7) * sect_size);
+ }
+ } else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD
+ && (info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U) {
+
+ int sect_size; /* number of bytes/sector */
+
+ sect_size = 0x00010000 * (sizeof (FPW) / 2);
+
+ /* set up sector start address table (uniform sector type) */
+ for (i = 0; i < info->sector_count; i++)
+ info->start[i] = base + (i * sect_size);
+ } else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD
+ && (info->flash_id & FLASH_TYPEMASK) == FLASH_AM800T) {
+
+ int sect_size; /* number of bytes/sector */
+
+ sect_size = 0x00010000 * (sizeof (FPW) / 2);
+
+ /* set up sector start address table (top boot sector type) */
+ for (i = 0; i < info->sector_count - 3; i++)
+ info->start[i] = base + (i * sect_size);
+ i = info->sector_count - 1;
+ info->start[i--] =
+ base + (info->size - 0x00004000) * (sizeof (FPW) / 2);
+ info->start[i--] =
+ base + (info->size - 0x00006000) * (sizeof (FPW) / 2);
+ info->start[i--] =
+ base + (info->size - 0x00008000) * (sizeof (FPW) / 2);
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+ uchar *boottype;
+ uchar *bootletter;
+ uchar *fmt;
+ uchar botbootletter[] = "B";
+ uchar topbootletter[] = "T";
+ uchar botboottype[] = "bottom boot sector";
+ uchar topboottype[] = "top boot sector";
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD:
+ printf ("AMD ");
+ break;
+ case FLASH_MAN_BM:
+ printf ("BRIGHT MICRO ");
+ break;
+ case FLASH_MAN_FUJ:
+ printf ("FUJITSU ");
+ break;
+ case FLASH_MAN_SST:
+ printf ("SST ");
+ break;
+ case FLASH_MAN_STM:
+ printf ("STM ");
+ break;
+ case FLASH_MAN_INTEL:
+ printf ("INTEL ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ /* check for top or bottom boot, if it applies */
+ if (info->flash_id & FLASH_BTYPE) {
+ boottype = botboottype;
+ bootletter = botbootletter;
+ } else {
+ boottype = topboottype;
+ bootletter = topbootletter;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_AM800T:
+ fmt = "29LV800B%s (8 Mbit, %s)\n";
+ break;
+ case FLASH_AM640U:
+ fmt = "29LV641D (64 Mbit, uniform sectors)\n";
+ break;
+ case FLASH_28F800C3B:
+ case FLASH_28F800C3T:
+ fmt = "28F800C3%s (8 Mbit, %s)\n";
+ break;
+ case FLASH_INTEL800B:
+ case FLASH_INTEL800T:
+ fmt = "28F800B3%s (8 Mbit, %s)\n";
+ break;
+ case FLASH_28F160C3B:
+ case FLASH_28F160C3T:
+ fmt = "28F160C3%s (16 Mbit, %s)\n";
+ break;
+ case FLASH_INTEL160B:
+ case FLASH_INTEL160T:
+ fmt = "28F160B3%s (16 Mbit, %s)\n";
+ break;
+ case FLASH_28F320C3B:
+ case FLASH_28F320C3T:
+ fmt = "28F320C3%s (32 Mbit, %s)\n";
+ break;
+ case FLASH_INTEL320B:
+ case FLASH_INTEL320T:
+ fmt = "28F320B3%s (32 Mbit, %s)\n";
+ break;
+ case FLASH_28F640C3B:
+ case FLASH_28F640C3T:
+ fmt = "28F640C3%s (64 Mbit, %s)\n";
+ break;
+ case FLASH_INTEL640B:
+ case FLASH_INTEL640T:
+ fmt = "28F640B3%s (64 Mbit, %s)\n";
+ break;
+ default:
+ fmt = "Unknown Chip Type\n";
+ break;
+ }
+
+ printf (fmt, bootletter, boottype);
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+
+ for (i = 0; i < info->sector_count; ++i) {
+ if ((i % 5) == 0) {
+ printf ("\n ");
+ }
+
+ printf (" %08lX%s", info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+
+ printf ("\n");
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+ulong flash_get_size (FPWV * addr, flash_info_t * info)
+{
+ /* Write auto select command: read Manufacturer ID */
+
+ /* Write auto select command sequence and test FLASH answer */
+ addr[0x0555] = (FPW) 0x00AA00AA; /* for AMD, Intel ignores this */
+ addr[0x02AA] = (FPW) 0x00550055; /* for AMD, Intel ignores this */
+ addr[0x0555] = (FPW) 0x00900090; /* selects Intel or AMD */
+
+ /* The manufacturer codes are only 1 byte, so just use 1 byte.
+ * This works for any bus width and any FLASH device width.
+ */
+ switch (addr[0] & 0xff) {
+
+ case (uchar) AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+
+ case (uchar) INTEL_MANUFACT:
+ info->flash_id = FLASH_MAN_INTEL;
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ break;
+ }
+
+ /* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */
+ if (info->flash_id != FLASH_UNKNOWN)
+ switch (addr[1]) {
+
+ case (FPW) AMD_ID_LV800T:
+ info->flash_id += FLASH_AM800T;
+ info->sector_count = 19;
+ info->size = 0x00100000 * (sizeof (FPW) / 2);
+ break; /* => 1 or 2 MiB */
+
+ case (FPW) AMD_ID_LV640U: /* 29LV640 and 29LV641 have same ID */
+ info->flash_id += FLASH_AM640U;
+ info->sector_count = 128;
+ info->size = 0x00800000 * (sizeof (FPW) / 2);
+ break; /* => 8 or 16 MB */
+
+ case (FPW) INTEL_ID_28F800C3B:
+ info->flash_id += FLASH_28F800C3B;
+ info->sector_count = 23;
+ info->size = 0x00100000 * (sizeof (FPW) / 2);
+ break; /* => 1 or 2 MB */
+
+ case (FPW) INTEL_ID_28F800B3B:
+ info->flash_id += FLASH_INTEL800B;
+ info->sector_count = 23;
+ info->size = 0x00100000 * (sizeof (FPW) / 2);
+ break; /* => 1 or 2 MB */
+
+ case (FPW) INTEL_ID_28F160C3B:
+ info->flash_id += FLASH_28F160C3B;
+ info->sector_count = 39;
+ info->size = 0x00200000 * (sizeof (FPW) / 2);
+ break; /* => 2 or 4 MB */
+
+ case (FPW) INTEL_ID_28F160B3B:
+ info->flash_id += FLASH_INTEL160B;
+ info->sector_count = 39;
+ info->size = 0x00200000 * (sizeof (FPW) / 2);
+ break; /* => 2 or 4 MB */
+
+ case (FPW) INTEL_ID_28F320C3B:
+ info->flash_id += FLASH_28F320C3B;
+ info->sector_count = 71;
+ info->size = 0x00400000 * (sizeof (FPW) / 2);
+ break; /* => 4 or 8 MB */
+
+ case (FPW) INTEL_ID_28F320B3B:
+ info->flash_id += FLASH_INTEL320B;
+ info->sector_count = 71;
+ info->size = 0x00400000 * (sizeof (FPW) / 2);
+ break; /* => 4 or 8 MB */
+
+ case (FPW) INTEL_ID_28F640C3B:
+ info->flash_id += FLASH_28F640C3B;
+ info->sector_count = 135;
+ info->size = 0x00800000 * (sizeof (FPW) / 2);
+ break; /* => 8 or 16 MB */
+
+ case (FPW) INTEL_ID_28F640B3B:
+ info->flash_id += FLASH_INTEL640B;
+ info->sector_count = 135;
+ info->size = 0x00800000 * (sizeof (FPW) / 2);
+ break; /* => 8 or 16 MB */
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* => no or unknown flash */
+ }
+
+ flash_get_offsets ((ulong) addr, info);
+
+ /* Put FLASH back in read mode */
+ flash_reset (info);
+
+ return (info->size);
+}
+
+#ifdef CFG_FLASH_PROTECTION
+/*-----------------------------------------------------------------------
+ */
+
+static void flash_sync_real_protect (flash_info_t * info)
+{
+ FPWV *addr = (FPWV *) (info->start[0]);
+ FPWV *sect;
+ int i;
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F800C3B:
+ case FLASH_28F800C3T:
+ case FLASH_28F160C3B:
+ case FLASH_28F160C3T:
+ case FLASH_28F320C3B:
+ case FLASH_28F320C3T:
+ case FLASH_28F640C3B:
+ case FLASH_28F640C3T:
+ /* check for protected sectors */
+ *addr = (FPW) 0x00900090;
+ for (i = 0; i < info->sector_count; i++) {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02.
+ * D0 = 1 for each device if protected.
+ * If at least one device is protected the sector is marked
+ * protected, but mixed protected and unprotected devices
+ * within a sector should never happen.
+ */
+ sect = (FPWV *) (info->start[i]);
+ info->protect[i] =
+ (sect[2] & (FPW) (0x00010001)) ? 1 : 0;
+ }
+
+ /* Put FLASH back in read mode */
+ flash_reset (info);
+ break;
+
+ case FLASH_AM640U:
+ case FLASH_AM800T:
+ default:
+ /* no hardware protect that we support */
+ break;
+ }
+}
+#endif
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ FPWV *addr;
+ int flag, prot, sect;
+ int intel = (info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL;
+ ulong now, last;
+ int rcode = 0;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return 1;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_INTEL800B:
+ case FLASH_INTEL160B:
+ case FLASH_INTEL320B:
+ case FLASH_INTEL640B:
+ case FLASH_28F800C3B:
+ case FLASH_28F160C3B:
+ case FLASH_28F320C3B:
+ case FLASH_28F640C3B:
+ case FLASH_AM640U:
+ case FLASH_AM800T:
+ break;
+ case FLASH_UNKNOWN:
+ default:
+ printf ("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return 1;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n", prot);
+ } else {
+ printf ("\n");
+ }
+
+ reset_timer_masked ();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last && rcode == 0; sect++) {
+
+ if (info->protect[sect] != 0) /* protected, skip it */
+ continue;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ reset_timer_masked ();
+ last = 0;
+
+ addr = (FPWV *) (info->start[sect]);
+ if (intel) {
+ *addr = (FPW) 0x00500050; /* clear status register */
+ *addr = (FPW) 0x00200020; /* erase setup */
+ *addr = (FPW) 0x00D000D0; /* erase confirm */
+ } else {
+ /* must be AMD style if not Intel */
+ FPWV *base; /* first address in bank */
+
+ base = (FPWV *) (info->start[0]);
+ base[0x0555] = (FPW) 0x00AA00AA; /* unlock */
+ base[0x02AA] = (FPW) 0x00550055; /* unlock */
+ base[0x0555] = (FPW) 0x00800080; /* erase mode */
+ base[0x0555] = (FPW) 0x00AA00AA; /* unlock */
+ base[0x02AA] = (FPW) 0x00550055; /* unlock */
+ *addr = (FPW) 0x00300030; /* erase sector */
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ /* wait at least 50us for AMD, 80us for Intel.
+ * Let's wait 1 ms.
+ */
+ udelay (1000);
+
+ while ((*addr & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if ((now =
+ get_timer_masked ()) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+
+ if (intel) {
+ /* suspend erase */
+ *addr = (FPW) 0x00B000B0;
+ }
+
+ flash_reset (info); /* reset to read mode */
+ rcode = 1; /* failed */
+ break;
+ }
+
+ /* show that we're waiting */
+ if ((now - last) > 1 * CFG_HZ) { /* every second */
+ putc ('.');
+ last = now;
+ }
+ }
+
+ flash_reset (info); /* reset to read mode */
+ }
+
+ printf (" done\n");
+ return rcode;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ FPW data = 0; /* 16 or 32 bit word, matches flash bus width on MPC8XX */
+ int bytes; /* number of bytes to program in current word */
+ int left; /* number of bytes left to program */
+ int i, res;
+
+ for (left = cnt, res = 0;
+ left > 0 && res == 0;
+ addr += sizeof (data), left -= sizeof (data) - bytes) {
+
+ bytes = addr & (sizeof (data) - 1);
+ addr &= ~(sizeof (data) - 1);
+
+ /* combine source and destination data so can program
+ * an entire word of 16 or 32 bits
+ */
+#ifdef CFG_LITTLE_ENDIAN
+ for (i = 0; i < sizeof (data); i++) {
+ data >>= 8;
+ if (i < bytes || i - bytes >= left)
+ data += (*((uchar *) addr + i)) << 24;
+ else
+ data += (*src++) << 24;
+ }
+#else
+ for (i = 0; i < sizeof (data); i++) {
+ data <<= 8;
+ if (i < bytes || i - bytes >= left)
+ data += *((uchar *) addr + i);
+ else
+ data += *src++;
+ }
+#endif
+
+ /* write one word to the flash */
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD:
+ res = write_word_amd (info, (FPWV *) addr, data);
+ break;
+ case FLASH_MAN_INTEL:
+ res = write_word_intel (info, (FPWV *) addr, data);
+ break;
+ default:
+ /* unknown flash type, error! */
+ printf ("missing or unknown FLASH type\n");
+ res = 1; /* not really a timeout, but gives error */
+ break;
+ }
+ }
+
+ return (res);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash for AMD FLASH
+ * A word is 16 or 32 bits, whichever the bus width of the flash bank
+ * (not an individual chip) is.
+ *
+ * returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data)
+{
+ int flag;
+ int res = 0; /* result, assume success */
+ FPWV *base; /* first address in flash bank */
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*dest & data) != data) {
+ return (2);
+ }
+
+
+ base = (FPWV *) (info->start[0]);
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ base[0x0555] = (FPW) 0x00AA00AA; /* unlock */
+ base[0x02AA] = (FPW) 0x00550055; /* unlock */
+ base[0x0555] = (FPW) 0x00A000A0; /* selects program mode */
+
+ *dest = data; /* start programming the data */
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ reset_timer_masked ();
+
+ /* data polling for D7 */
+ while (res == 0
+ && (*dest & (FPW) 0x00800080) != (data & (FPW) 0x00800080)) {
+ if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
+ *dest = (FPW) 0x00F000F0; /* reset bank */
+ res = 1;
+ }
+ }
+
+ return (res);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash for Intel FLASH
+ * A word is 16 or 32 bits, whichever the bus width of the flash bank
+ * (not an individual chip) is.
+ *
+ * returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word_intel (flash_info_t * info, FPWV * dest, FPW data)
+{
+ int flag;
+ int res = 0; /* result, assume success */
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*dest & data) != data) {
+ return (2);
+ }
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ *dest = (FPW) 0x00500050; /* clear status register */
+ *dest = (FPW) 0x00FF00FF; /* make sure in read mode */
+ *dest = (FPW) 0x00400040; /* program setup */
+
+ *dest = data; /* start programming the data */
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ reset_timer_masked ();
+
+ while (res == 0 && (*dest & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
+ *dest = (FPW) 0x00B000B0; /* Suspend program */
+ res = 1;
+ }
+ }
+
+ if (res == 0 && (*dest & (FPW) 0x00100010))
+ res = 1; /* write failed, time out error is close enough */
+
+ *dest = (FPW) 0x00500050; /* clear status register */
+ *dest = (FPW) 0x00FF00FF; /* make sure in read mode */
+
+ return (res);
+}
+
+#ifdef CFG_FLASH_PROTECTION
+/*-----------------------------------------------------------------------
+ */
+int flash_real_protect (flash_info_t * info, long sector, int prot)
+{
+ int rcode = 0; /* assume success */
+ FPWV *addr; /* address of sector */
+ FPW value;
+
+ addr = (FPWV *) (info->start[sector]);
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F800C3B:
+ case FLASH_28F800C3T:
+ case FLASH_28F160C3B:
+ case FLASH_28F160C3T:
+ case FLASH_28F320C3B:
+ case FLASH_28F320C3T:
+ case FLASH_28F640C3B:
+ case FLASH_28F640C3T:
+ flash_reset (info); /* make sure in read mode */
+ *addr = (FPW) 0x00600060L; /* lock command setup */
+ if (prot)
+ *addr = (FPW) 0x00010001L; /* lock sector */
+ else
+ *addr = (FPW) 0x00D000D0L; /* unlock sector */
+ flash_reset (info); /* reset to read mode */
+
+ /* now see if it really is locked/unlocked as requested */
+ *addr = (FPW) 0x00900090;
+ /* read sector protection at sector address, (A7 .. A0) = 0x02.
+ * D0 = 1 for each device if protected.
+ * If at least one device is protected the sector is marked
+ * protected, but return failure. Mixed protected and
+ * unprotected devices within a sector should never happen.
+ */
+ value = addr[2] & (FPW) 0x00010001;
+ if (value == 0)
+ info->protect[sector] = 0;
+ else if (value == (FPW) 0x00010001)
+ info->protect[sector] = 1;
+ else {
+ /* error, mixed protected and unprotected */
+ rcode = 1;
+ info->protect[sector] = 1;
+ }
+ if (info->protect[sector] != prot)
+ rcode = 1; /* failed to protect/unprotect as requested */
+
+ /* reload all protection bits from hardware for now */
+ flash_sync_real_protect (info);
+ break;
+
+ case FLASH_AM640U:
+ case FLASH_AM800T:
+ default:
+ /* no hardware protect that we support */
+ info->protect[sector] = prot;
+ break;
+ }
+
+ return rcode;
+}
+#endif
diff --git a/board/pleb2/memsetup.S b/board/pleb2/memsetup.S
new file mode 100644
index 0000000..f2e1ce9
--- /dev/null
+++ b/board/pleb2/memsetup.S
@@ -0,0 +1,488 @@
+/*
+ * Most of this taken from Redboot hal_platform_setup.h with cleanup
+ *
+ * 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>
+
+DRAM_SIZE: .long CFG_DRAM_SIZE
+
+/* wait for coprocessor write complete */
+ .macro CPWAIT reg
+ mrc p15,0,\reg,c2,c0,0
+ mov \reg,\reg
+ sub pc,pc,#4
+ .endm
+
+.globl memsetup
+memsetup:
+
+ mov r10, lr
+
+ /* 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, =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, =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, =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, =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, =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]
+
+ /* enable GPIO pins */
+ ldr r0, =PSSR
+ ldr r1, =CFG_PSSR_VAL
+ str r1, [r0]
+
+
+/*********************************************************************
+ Initlialize Memory Controller
+
+ See PXA250 Operating System Developer's Guide
+
+ pause for 200 uSecs- allow internal clocks to settle
+ *Note: only need this if hard reset... doing it anyway for now
+*/
+
+ @ Step 1
+ @ ---- Wait 200 usec
+ 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:
+ @ get memory controller base address
+ ldr r1, =MEMC_BASE
+
+@****************************************************************************
+@ Step 2
+@
+
+ @ Step 2a
+ @ write msc0, read back to ensure data latches
+ @
+ ldr r2, =CFG_MSC0_VAL
+ str r2, [r1, #MSC0_OFFSET]
+ ldr r2, [r1, #MSC0_OFFSET]
+
+ @ write msc1
+ ldr r2, =CFG_MSC1_VAL
+ str r2, [r1, #MSC1_OFFSET]
+ ldr r2, [r1, #MSC1_OFFSET]
+
+ @ write msc2
+ ldr r2, =CFG_MSC2_VAL
+ str r2, [r1, #MSC2_OFFSET]
+ ldr r2, [r1, #MSC2_OFFSET]
+
+
+@ Step 2b
+ @ write mecr
+ ldr r2, =CFG_MECR_VAL
+ str r2, [r1, #MECR_OFFSET]
+
+ @ write mcmem0
+ ldr r2, =CFG_MCMEM0_VAL
+ str r2, [r1, #MCMEM0_OFFSET]
+
+ @ write mcmem1
+ ldr r2, =CFG_MCMEM1_VAL
+ str r2, [r1, #MCMEM1_OFFSET]
+
+ @ write mcatt0
+ ldr r2, =CFG_MCATT0_VAL
+ str r2, [r1, #MCATT0_OFFSET]
+
+ @ write mcatt1
+ ldr r2, =CFG_MCATT1_VAL
+ str r2, [r1, #MCATT1_OFFSET]
+
+ @ write mcio0
+ ldr r2, =CFG_MCIO0_VAL
+ str r2, [r1, #MCIO0_OFFSET]
+
+ @ write mcio1
+ ldr r2, =CFG_MCIO1_VAL
+ str r2, [r1, #MCIO1_OFFSET]
+
+@ Step 2c
+ @ fly-by-dma is defeatured on this part
+ @ write flycnfg
+ @ldr r2, =CFG_FLYCNFG_VAL
+ @str r2, [r1, #FLYCNFG_OFFSET]
+
+/* FIXME Does this sequence really make sense */
+#ifdef REDBOOT_WAY
+ @ Step 2d
+ @ get the mdrefr settings
+ ldr r3, =CFG_MDREFR_VAL
+
+ @ extract DRI field (we need a valid DRI field)
+ @
+ ldr r2, =0xFFF
+
+ @ valid DRI field in r3
+ @
+ and r3, r3, r2
+
+ @ get the reset state of MDREFR
+ @
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ @ clear the DRI field
+ @
+ bic r4, r4, r2
+
+ @ insert the valid DRI field loaded above
+ @
+ orr r4, r4, r3
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+
+ @ *Note: preserve the mdrefr value in r4 *
+
+@****************************************************************************
+@ Step 3
+@
+@ NO SRAM
+
+ mov pc, r10
+
+
+@****************************************************************************
+@ Step 4
+@
+
+ @ Assumes previous mdrefr value in r4, if not then read current mdrefr
+
+ @ clear the free-running clock bits
+ @ (clear K0Free, K1Free, K2Free
+ @
+ bic r4, r4, #(0x00800000 | 0x01000000 | 0x02000000)
+
+ @ set K0RUN for CPLD clock
+ @
+ orr r4, r4, #0x00002000
+
+ @ set K1RUN if bank 0 installed
+ @
+ orr r4, r4, #0x00010000
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ @ deassert SLFRSH
+ @
+ bic r4, r4, #0x00400000
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+
+ @ assert E1PIN
+ @
+ orr r4, r4, #0x00008000
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+ ldr r4, [r1, #MDREFR_OFFSET]
+ nop
+ nop
+#else
+ @ Step 2d
+ @ get the mdrefr settings
+ ldr r3, =CFG_MDREFR_VAL
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+
+ @ Step 4
+
+ @ set K0RUN for CPLD clock
+ @
+ orr r4, r4, #0x00002000
+
+ @ set K1RUN for bank 0
+ @
+ orr r4, r4, #0x00010000
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ @ deassert SLFRSH
+ @
+ bic r4, r4, #0x00400000
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+
+ @ assert E1PIN
+ @
+ orr r4, r4, #0x00008000
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+ ldr r4, [r1, #MDREFR_OFFSET]
+ nop
+ nop
+#endif
+
+ @ Step 4d
+ @ fetch platform value of mdcnfg
+ @
+ ldr r2, =CFG_MDCNFG_VAL
+
+ @ disable all sdram banks
+ @
+ bic r2, r2, #(MDCNFG_DE0 | MDCNFG_DE1)
+ bic r2, r2, #(MDCNFG_DE2 | MDCNFG_DE3)
+
+ @ program banks 0/1 for bus width
+ @
+ bic r2, r2, #MDCNFG_DWID0 @0=32-bit
+
+ @ write initial value of mdcnfg, w/o enabling sdram banks
+ @
+ str r2, [r1, #MDCNFG_OFFSET]
+
+ @ Step 4e
+ @ pause for 200 uSecs
+ @
+ 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
+
+ /* Why is this here??? */
+ mov r0, #0x78 @turn everything off
+ mcr p15, 0, r0, c1, c0, 0 @(caches off, MMU off, etc.)
+
+ @ Step 4f
+ @ Access memory *not yet enabled* for CBR refresh cycles (8)
+ @ - CBR is generated for all banks
+
+ ldr r2, =CFG_DRAM_BASE
+ str r2, [r2]
+ str r2, [r2]
+ str r2, [r2]
+ str r2, [r2]
+ str r2, [r2]
+ str r2, [r2]
+ str r2, [r2]
+ str r2, [r2]
+
+ @ Step 4g
+ @get memory controller base address
+ @
+ ldr r1, =MEMC_BASE
+
+ @fetch current mdcnfg value
+ @
+ ldr r3, [r1, #MDCNFG_OFFSET]
+
+ @enable sdram bank 0 if installed (must do for any populated bank)
+ @
+ orr r3, r3, #MDCNFG_DE0
+
+ @write back mdcnfg, enabling the sdram bank(s)
+ @
+ str r3, [r1, #MDCNFG_OFFSET]
+
+ @ Step 4h
+ @ write mdmrs
+ @
+ ldr r2, =CFG_MDMRS_VAL
+ str r2, [r1, #MDMRS_OFFSET]
+
+ @ Done Memory Init
+
+ /*SET_LED 6 */
+
+ @********************************************************************
+ @ Disable (mask) all interrupts at the interrupt controller
+ @
+
+ @ clear the interrupt level register (use IRQ, not FIQ)
+ @
+ mov r1, #0
+ ldr r2, =ICLR
+ str r1, [r2]
+
+ @ Set interrupt mask register
+ @
+ ldr r1, =CFG_ICMR_VAL
+ ldr r2, =ICMR
+ str r1, [r2]
+
+ @ ********************************************************************
+ @ Disable the peripheral clocks, and set the core clock
+ @
+
+ @ Turn Off ALL on-chip peripheral clocks for re-configuration
+ @
+ ldr r1, =CKEN
+ mov r2, #0
+ str r2, [r1]
+
+ @ set core clocks
+ @
+ ldr r2, =CFG_CCCR_VAL
+ ldr r1, =CCCR
+ str r2, [r1]
+
+ #ifdef ENABLE32KHZ
+ @ 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
+#endif
+
+ @ Turn on needed clocks
+ @
+ ldr r1, =CKEN
+ ldr r2, =CFG_CKEN_VAL
+ str r2, [r1]
+
+ /*SET_LED 7 */
+
+/* Is this needed???? */
+#define NODEBUG
+#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
+
+ mov pc, r10
+
+@ End memsetup
diff --git a/board/pleb2/pleb2.c b/board/pleb2/pleb2.c
new file mode 100644
index 0000000..ce9245c
--- /dev/null
+++ b/board/pleb2/pleb2.c
@@ -0,0 +1,76 @@
+/*
+ * (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-arm/mach-types.h>
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* memory and cpu-speed are setup before relocation */
+ /* so we do _nothing_ here */
+
+ /* arch number of Lubbock-Board */
+ gd->bd->bi_arch_number = MACH_TYPE_PLEB2;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0xa0000100;
+
+ return 0;
+}
+
+int board_late_init(void)
+{
+ setenv("stdout", "serial");
+ setenv("stderr", "serial");
+ return 0;
+}
+
+
+int dram_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ 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;
+}
diff --git a/board/pleb2/u-boot.lds b/board/pleb2/u-boot.lds
new file mode 100644
index 0000000..58c371d
--- /dev/null
+++ b/board/pleb2/u-boot.lds
@@ -0,0 +1,55 @@
+/*
+ * (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 = .;
+}
diff --git a/cpu/pxa/config.mk b/cpu/pxa/config.mk
index c40dcf8..6030c49 100644
--- a/cpu/pxa/config.mk
+++ b/cpu/pxa/config.mk
@@ -25,4 +25,5 @@
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float
-PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=strongarm1100
+#PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=strongarm1100
+PLATFORM_CPPFLAGS += -mapcs-32 -march=armv5 -mtune=xscale
diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h
index a76a029..3ff1d26 100644
--- a/include/asm-arm/arch-pxa/hardware.h
+++ b/include/asm-arm/arch-pxa/hardware.h
@@ -84,10 +84,10 @@
# define __REG(x) io_p2v(x)
# define __PREG(x) io_v2p(x)
-# undef io_p2v
+# undef io_p2v
# undef __REG
# ifndef __ASSEMBLY__
-# define io_p2v(PhAdd) (PhAdd)
+# define io_p2v(PhAdd) (PhAdd)
# define __REG(x) (*((volatile u32 *)io_p2v(x)))
# define __REG2(x,y) (*(volatile u32 *)((u32)&__REG(x) + (y)))
# else
@@ -105,9 +105,9 @@
* This must be called *before* the corresponding IRQ is registered.
* Use this instead of directly setting GRER/GFER.
*/
-#define GPIO_FALLING_EDGE 1
-#define GPIO_RISING_EDGE 2
-#define GPIO_BOTH_EDGES 3
+#define GPIO_FALLING_EDGE 1
+#define GPIO_RISING_EDGE 2
+#define GPIO_BOTH_EDGES 3
extern void set_GPIO_IRQ_edge( int gpio_nr, int edge_mask );
/*
@@ -147,4 +147,8 @@
#include "innokom.h"
#endif
-#endif /* _ASM_ARCH_HARDWARE_H */
+#ifdef CONFIG_ARCH_PLEB
+#include "pleb.h"
+#endif
+
+#endif /* _ASM_ARCH_HARDWARE_H */
diff --git a/include/configs/pleb2.h b/include/configs/pleb2.h
new file mode 100644
index 0000000..f733803
--- /dev/null
+++ b/include/configs/pleb2.h
@@ -0,0 +1,250 @@
+/*
+ * (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>
+ *
+ * Configuration settings for the PLEB 2 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
+
+/*
+ * If we are developing, we might want to start armboot from ram
+ * so we MUST NOT initialize critical regs like mem-timing ...
+ */
+#define CONFIG_INIT_CRITICAL /* undef for developing */
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_PXA250 1 /* This is an PXA255 CPU */
+#define CONFIG_PLEB2 1 /* on an PLEB2 Board */
+#undef CONFIG_LCD
+#undef CONFIG_MMC
+#define BOARD_LATE_INIT 1
+
+#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
+
+/*
+ * 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
+ */
+
+/* None - PLEB 2 doesn't have any of this.
+ #define CONFIG_DRIVER_LAN91C96
+ #define CONFIG_LAN91C96_BASE 0x0C000000 */
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_FFUART 1 /* we use FFUART on PLEB 2 */
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BAUDRATE 115200
+
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL & ~CFG_CMD_NET)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CONFIG_BOOTDELAY 3
+#define CONFIG_ETHADDR 08:00:3e:26:0a:5b
+#define CONFIG_NETMASK 255.255.0.0
+#define CONFIG_IPADDR 192.168.0.21
+#define CONFIG_SERVERIP 192.168.0.250
+#define CONFIG_BOOTCOMMAND "bootm 40000"
+#define CONFIG_BOOTARGS "root=/dev/mtdblock2 prompt_ramdisk=0 load_ramdisk=1 console=ttyS0,115200"
+
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_INITRD_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+
+#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 0xa2000000 /* default load address */
+
+#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
+#define CFG_CPUSPEED 0x141 /* set core clock to 200/200/100 MHz */
+
+ /* valid baudrates */
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * 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 0x02000000 /* 32 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 PHYS_FLASH_2 0x04000000 /* Flash Bank #2 */
+#define PHYS_FLASH_SIZE 0x00800000 /* 4 MB */
+
+/* Not entirely sure about this - DS/CHC */
+#define PHYS_FLASH_BANK_SIZE 0x02000000 /* 32 MB Banks */
+#define PHYS_FLASH_SECT_SIZE 0x00010000 /* 64 KB sectors (x2) */
+
+#define CFG_DRAM_BASE PHYS_SDRAM_1
+#define CFG_DRAM_SIZE PHYS_SDRAM_1_SIZE
+
+#define CFG_FLASH_BASE PHYS_FLASH_1
+#define CFG_MONITOR_BASE CFG_FLASH_BASE
+
+/*
+ * GPIO settings
+ */
+#define CFG_GPSR0_VAL 0x00000000 /* Don't set anything */
+#define CFG_GPSR1_VAL 0x00000080
+#define CFG_GPSR2_VAL 0x00000000
+
+#define CFG_GPCR0_VAL 0x00000000 /* Don't clear anything */
+#define CFG_GPCR1_VAL 0x00000000
+#define CFG_GPCR2_VAL 0x00000000
+
+#define CFG_GPDR0_VAL 0x00000000
+#define CFG_GPDR1_VAL 0x000007C3
+#define CFG_GPDR2_VAL 0x00000000
+
+/* Edge detect registers (these are set by the kernel) */
+#define CFG_GRER0_VAL 0x00000000
+#define CFG_GRER1_VAL 0x00000000
+#define CFG_GRER2_VAL 0x00000000
+#define CFG_GFER0_VAL 0x00000000
+#define CFG_GFER1_VAL 0x00000000
+#define CFG_GFER2_VAL 0x00000000
+
+#define CFG_GAFR0_L_VAL 0x00000000
+#define CFG_GAFR0_U_VAL 0x00000000
+#define CFG_GAFR1_L_VAL 0x00008010 /* Use FF UART Send and Receive */
+#define CFG_GAFR1_U_VAL 0x00000000
+#define CFG_GAFR2_L_VAL 0x00000000
+#define CFG_GAFR2_U_VAL 0x00000000
+
+#define CFG_PSSR_VAL 0x20
+#define CFG_CCCR_VAL 0x00000141 /* 100 MHz memory, 200 MHz CPU */
+#define CFG_CKEN_VAL 0x00000060 /* FFUART and STUART enabled */
+#define CFG_ICMR_VAL 0x00000000 /* No interrupts enabled */
+
+/*
+ * Memory settings
+ */
+#define CFG_MSC0_VAL 0x00007FF0 /* Not properly calculated - FIXME (DS) */
+#define CFG_MSC1_VAL 0x00000000
+#define CFG_MSC2_VAL 0x00000000
+
+#define CFG_MDCNFG_VAL 0x00000aC9 /* Memory timings for the SDRAM.
+ tRP=2, CL=2, tRCD=2, tRAS=5, tRC=8 */
+
+#define CFG_MDREFR_VAL 0x00403018 /* Initial setting, individual
+ bits set in memsetup.S */
+#define CFG_MDMRS_VAL 0x00000000
+
+/*
+ * PCMCIA and CF Interfaces
+ */
+#define CFG_MECR_VAL 0x00000000 /* Hangover from Lubbock.
+ Needs calculating. (DS/CHC) */
+#define CFG_MCMEM0_VAL 0x00010504
+#define CFG_MCMEM1_VAL 0x00010504
+#define CFG_MCATT0_VAL 0x00010504
+#define CFG_MCATT1_VAL 0x00010504
+#define CFG_MCIO0_VAL 0x00004715
+#define CFG_MCIO1_VAL 0x00004715
+
+/*
+ * FLASH and environment organization
+ */
+#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
+
+/* timeout values are in ticks */
+/* FIXME */
+#define CFG_FLASH_ERASE_TOUT (25*CFG_HZ) /* Timeout for Flash Erase */
+#define CFG_FLASH_WRITE_TOUT (25*CFG_HZ) /* Timeout for Flash Write */
+
+/* Flash protection */
+#define CFG_FLASH_PROTECTION 1
+
+/* FIXME */
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x3C000) /* Addr of Environment Sector */
+#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment */
+#define CFG_ENV_SECT_SIZE 0x20000
+
+/* Option added to get around byte ordering issues in the flash driver */
+#define CFG_LITTLE_ENDIAN 1
+
+#endif /* __CONFIG_H */