O2DNT platform specific code.
diff --git a/board/o2dnt/Makefile b/board/o2dnt/Makefile
new file mode 100644
index 0000000..2eb4366
--- /dev/null
+++ b/board/o2dnt/Makefile
@@ -0,0 +1,47 @@
+
+#
+# (C) Copyright 2005
+# 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 := $(BOARD).o flash.o
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) crv $@ $(OBJS)
+
+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) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/o2dnt/config.mk b/board/o2dnt/config.mk
new file mode 100644
index 0000000..b873376
--- /dev/null
+++ b/board/o2dnt/config.mk
@@ -0,0 +1,27 @@
+#
+# (C) Copyright 2005
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+# boot low for 16 MiB boards
+TEXT_BASE = 0xFF000000
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board
diff --git a/board/o2dnt/flash.c b/board/o2dnt/flash.c
new file mode 100644
index 0000000..64574f4
--- /dev/null
+++ b/board/o2dnt/flash.c
@@ -0,0 +1,423 @@
+/*
+ * (C) Copyright 2005
+ * 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>
+
+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 char FLASH_PORT_WIDTH;
+typedef volatile unsigned char FLASH_PORT_WIDTHV;
+#define FLASH_ID_MASK 0xFF
+#endif
+
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
+
+#define ORMASK(size) ((-size) & OR_AM_MSK)
+
+#define FLASH_CYCLE1 0x0555
+#define FLASH_CYCLE2 0x02aa
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(FPWV *addr, flash_info_t *info);
+static void flash_reset(flash_info_t *info);
+static flash_info_t *flash_get_info(ulong base);
+static int write_data (flash_info_t *info, FPWV *dest, FPW data); /* O2D */
+
+/*-----------------------------------------------------------------------
+ * flash_init()
+ *
+ * sets up flash_info and returns size of FLASH (bytes)
+ */
+unsigned long flash_init (void)
+{
+ unsigned long size = 0;
+ int i;
+ extern void flash_preinit(void);
+ extern void flash_afterinit(ulong);
+
+ flash_preinit();
+
+ /* Init: no FLASHes known */
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+ memset(&flash_info[i], 0, sizeof(flash_info_t));
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ /* Query flash chip */
+ flash_info[0].size =
+ flash_get_size((FPW *)CFG_FLASH_BASE, &flash_info[0]);
+ size += flash_info[0].size;
+
+#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_get_info(CFG_MONITOR_BASE));
+#endif
+
+#ifdef CFG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR+CFG_ENV_SIZE-1,
+ flash_get_info(CFG_ENV_ADDR));
+#endif
+
+
+ flash_afterinit(size);
+ return (size ? size : 1);
+}
+
+/*-----------------------------------------------------------------------
+ */
+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 */
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+static flash_info_t *flash_get_info(ulong base)
+{
+ int i;
+ flash_info_t * info;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i ++) {
+ info = & flash_info[i];
+ if (info->size &&
+ info->start[0] <= base &&
+ base <= info->start[0] + info->size - 1)
+ break;
+ }
+
+ return (i == CFG_MAX_FLASH_BANKS ? 0 : info);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+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_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_28F128J3A:
+ fmt = "28F128J3 (128 Mbit, uniform sectors)\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)
+{
+ int i;
+
+ /* Write auto select command: read Manufacturer ID */
+ /* Write auto select command sequence and test FLASH answer */
+ addr[FLASH_CYCLE1] = (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.
+ */
+ udelay(100);
+ switch (addr[0] & 0xff) {
+ 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;
+ }
+
+ /* Strataflash is configurable to 8/16bit Bus,
+ * but the Query-Structure is Word-orientated */
+ if (info->flash_id != FLASH_UNKNOWN) {
+ switch ((FPW)addr[2]) {
+ case (FPW)INTEL_ID_28F128J3:
+ info->flash_id += FLASH_28F128J3A;
+ info->sector_count = 128;
+ info->size = 0x01000000;
+ for( i = 0; i < info->sector_count; i++ )
+ info->start[i] = (ulong)addr + (i * 0x20000);
+ break; /* => Intel Strataflash 16MB */
+ default:
+ printf("Flash_id != %xd\n", (FPW)addr[2]);
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* => no or unknown flash */
+ }
+ }
+
+ /* Put FLASH back in read mode */
+ flash_reset(info);
+
+ return (info->size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ FPWV *addr;
+ int flag, prot, sect;
+ ulong start, 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_28F128J3A:
+ 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!",
+ prot);
+
+ printf ("\n");
+ last = get_timer(0);
+
+ /* 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();
+
+ addr = (FPWV *)(info->start[sect]);
+ *addr = (FPW)0x00500050; /* clear status register */
+ *addr = (FPW)0x00200020; /* erase setup */
+ *addr = (FPW)0x00D000D0; /* erase confirm */
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ start = get_timer(0);
+
+ /* wait at least 80us for Intel - let's wait 1 ms */
+ udelay (1000);
+
+ while ((*addr & (FPW)0x00800080) != (FPW)0x00800080) {
+ if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ *addr = (FPW)0x00B000B0;/* suspend erase */
+ flash_reset(info); /* reset to read mode */
+ rcode = 1; /* failed */
+ break;
+ }
+
+ /* show that we're waiting */
+ if ((get_timer(last)) > CFG_HZ) { /* every second */
+ putc ('.');
+ last = get_timer(0);
+ }
+ }
+
+ 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 */
+ for (i = 0; i < sizeof(data); i++) {
+ data <<= 8;
+ if (i < bytes || i - bytes >= left )
+ data += *((uchar *)addr + i);
+ else
+ data += *src++;
+ }
+
+ /* write one word to the flash */
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_INTEL:
+ res = write_data(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 or halfword to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_data (flash_info_t *info, FPWV *dest, FPW data)
+{
+ FPWV *addr = dest;
+ ulong status;
+ ulong start;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*addr & data) != data) {
+ printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr);
+ return (2);
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ *addr = (FPW) 0x00400040; /* write setup */
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ start = get_timer(0);
+
+ /* wait while polling the status register */
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+ return (1);
+ }
+ }
+
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+ if (flag)
+ enable_interrupts();
+
+ return (0);
+}
diff --git a/board/o2dnt/o2dnt.c b/board/o2dnt/o2dnt.c
new file mode 100644
index 0000000..8c6f5db
--- /dev/null
+++ b/board/o2dnt/o2dnt.c
@@ -0,0 +1,182 @@
+/*
+ * (C) Copyright 2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <mpc5xxx.h>
+#include <pci.h>
+
+#define SDRAM_MODE 0x00CD0000
+#define SDRAM_CONTROL 0x504F0000
+#define SDRAM_CONFIG1 0xD2322800
+#define SDRAM_CONFIG2 0x8AD70000
+
+static void sdram_start (int hi_addr)
+{
+ long hi_addr_bit = hi_addr ? 0x01000000 : 0;
+
+ /* unlock mode register */
+ *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* precharge all banks */
+ *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* precharge all banks */
+ *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* auto refresh */
+ *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* set mode register */
+ *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE;
+ __asm__ volatile ("sync");
+
+ /* normal operation */
+ *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
+ __asm__ volatile ("sync");
+}
+
+/*
+ * ATTENTION: Although partially referenced initdram does NOT make real use
+ * use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE
+ * is something else than 0x00000000.
+ */
+long int initdram (int board_type)
+{
+ ulong dramsize = 0;
+ ulong dramsize2 = 0;
+ ulong test1, test2;
+
+ /* setup SDRAM chip selects */
+ *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001e;/* 2G at 0x0 */
+ *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x80000000;/* disabled */
+ __asm__ volatile ("sync");
+
+ /* setup config registers */
+ *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
+ *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
+ __asm__ volatile ("sync");
+
+ /* find RAM size using SDRAM CS0 only */
+ sdram_start(0);
+ test1 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x80000000);
+ sdram_start(1);
+ test2 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x80000000);
+ if (test1 > test2) {
+ sdram_start(0);
+ dramsize = test1;
+ } else {
+ dramsize = test2;
+ }
+
+ /* memory smaller than 1MB is impossible */
+ if (dramsize < (1 << 20)) {
+ dramsize = 0;
+ }
+
+ /* set SDRAM CS0 size according to the amount of RAM found */
+ if (dramsize > 0)
+ *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 + __builtin_ffs(dramsize >> 20) - 1;
+ else
+ *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
+
+ /* let SDRAM CS1 start right after CS0 */
+ *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e;/* 2G */
+
+ /* find RAM size using SDRAM CS1 only */
+ if (!dramsize)
+ sdram_start(0);
+
+ test2 = test1 = get_ram_size((ulong *)(CFG_SDRAM_BASE + dramsize), 0x80000000);
+
+ if (!dramsize) {
+ sdram_start(1);
+ test2 = get_ram_size((ulong *)(CFG_SDRAM_BASE + dramsize), 0x80000000);
+ }
+
+ if (test1 > test2) {
+ sdram_start(0);
+ dramsize2 = test1;
+ } else {
+ dramsize2 = test2;
+ }
+
+ /* memory smaller than 1MB is impossible */
+ if (dramsize2 < (1 << 20))
+ dramsize2 = 0;
+
+ /* set SDRAM CS1 size according to the amount of RAM found */
+ if (dramsize2 > 0) {
+ *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize
+ | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1);
+ } else {
+ *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
+ }
+
+ return dramsize + dramsize2;
+}
+
+int checkboard (void)
+{
+ puts ("Board: O2DNT\n");
+ return 0;
+}
+
+void flash_preinit(void)
+{
+ /*
+ * Now, when we are in RAM, enable flash write
+ * access for detection process.
+ * Note that CS_BOOT cannot be cleared when
+ * executing in flash.
+ */
+ *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
+}
+
+void flash_afterinit(ulong size)
+{
+ if (size == 0x800000) { /* adjust mapping */
+ *(vu_long *)MPC5XXX_BOOTCS_START = *(vu_long *)MPC5XXX_CS0_START =
+ START_REG(CFG_BOOTCS_START | size);
+
+ *(vu_long *)MPC5XXX_BOOTCS_STOP = *(vu_long *)MPC5XXX_CS0_STOP =
+ STOP_REG(CFG_BOOTCS_START | size, size);
+ }
+}
+
+#ifdef CONFIG_PCI
+static struct pci_controller hose;
+
+extern void pci_mpc5xxx_init(struct pci_controller *);
+
+void pci_init_board(void)
+{
+ pci_mpc5xxx_init(&hose);
+}
+#endif
diff --git a/board/o2dnt/u-boot.lds b/board/o2dnt/u-boot.lds
new file mode 100644
index 0000000..7c52b04
--- /dev/null
+++ b/board/o2dnt/u-boot.lds
@@ -0,0 +1,122 @@
+/*
+ * (C) Copyright 2005
+ * 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_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
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ cpu/mpc5xxx/start.o (.text)
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ . = ALIGN(16);
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+ __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/include/configs/o2dnt.h b/include/configs/o2dnt.h
new file mode 100644
index 0000000..fa15d85
--- /dev/null
+++ b/include/configs/o2dnt.h
@@ -0,0 +1,265 @@
+/*
+ * (C) Copyright 2005
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_MPC5xxx 1 /* This is an MPC5xxx CPU */
+#define CONFIG_MPC5200
+#define CONFIG_O2DNT 1 /* ... on O2DNT board */
+
+#define CFG_MPC5XXX_CLKIN 33000000 /* ... running at 33.000000MHz */
+
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+#define CFG_CACHELINE_SIZE 32 /* For MPC5xxx CPUs */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
+#endif
+
+/*
+ * Serial console configuration
+ */
+#define CONFIG_PSC_CONSOLE 5 /* console is on PSC5 */
+#define CONFIG_BAUDRATE 115200 /* ... at 115200 bps */
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
+
+/*
+ * PCI Mapping:
+ * 0x40000000 - 0x4fffffff - PCI Memory
+ * 0x50000000 - 0x50ffffff - PCI IO Space
+ */
+#define CONFIG_PCI 1
+#define CONFIG_PCI_PNP 1
+#define CONFIG_PCI_SCAN_SHOW 1
+
+#define CONFIG_PCI_MEM_BUS 0x40000000
+#define CONFIG_PCI_MEM_PHYS CONFIG_PCI_MEM_BUS
+#define CONFIG_PCI_MEM_SIZE 0x10000000
+
+#define CONFIG_PCI_IO_BUS 0x50000000
+#define CONFIG_PCI_IO_PHYS CONFIG_PCI_IO_BUS
+#define CONFIG_PCI_IO_SIZE 0x01000000
+
+#define CFG_XLB_PIPELINING 1
+
+#define CONFIG_NET_MULTI 1
+#define CONFIG_EEPRO100 1
+#define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
+#define CONFIG_NS8382X 1
+
+#define ADD_PCI_CMD CFG_CMD_PCI
+
+/* Partitions */
+#define CONFIG_MAC_PARTITION
+#define CONFIG_DOS_PARTITION
+#define CONFIG_ISO_PARTITION
+
+#define CONFIG_TIMESTAMP /* Print image info with timestamp */
+
+/*
+ * Supported commands
+ */
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
+ CFG_CMD_EEPROM | \
+ CFG_CMD_FAT | \
+ CFG_CMD_I2C | \
+ CFG_CMD_NFS | \
+ CFG_CMD_SNTP | \
+ CFG_CMD_MII | \
+ CFG_CMD_PING | \
+ ADD_PCI_CMD )
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#if (TEXT_BASE == 0xFF000000) /* Boot low with 16 MB Flash */
+# define CFG_LOWBOOT 1
+#else
+# error "TEXT_BASE must be 0xFF000000"
+#endif
+
+/*
+ * Autobooting
+ */
+#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
+
+#define CONFIG_PREBOOT "echo;" \
+ "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
+ "echo"
+
+#undef CONFIG_BOOTARGS
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "netdev=eth0\0" \
+ "nfsargs=setenv bootargs root=/dev/nfs rw " \
+ "nfsroot=$(serverip):$(rootpath)\0" \
+ "ramargs=setenv bootargs root=/dev/ram rw\0" \
+ "addip=setenv bootargs $(bootargs) " \
+ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
+ ":$(hostname):$(netdev):off panic=1\0" \
+ "flash_nfs=run nfsargs addip;" \
+ "bootm $(kernel_addr)\0" \
+ "flash_self=run ramargs addip;" \
+ "bootm $(kernel_addr) $(ramdisk_addr)\0" \
+ "net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
+ "rootpath=/opt/eldk/ppc_82xx\0" \
+ "bootfile=/tftpboot/MPC5200/uImage\0" \
+ ""
+
+#define CONFIG_BOOTCOMMAND "run flash_self"
+
+#if defined(CONFIG_MPC5200)
+/*
+ * IPB Bus clocking configuration.
+ */
+#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#endif
+/*
+ * I2C configuration
+ */
+#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
+#define CFG_I2C_MODULE 1 /* Select I2C module #1 or #2 */
+
+#define CFG_I2C_SPEED 100000 /* 100 kHz */
+#define CFG_I2C_SLAVE 0x7F
+
+/*
+ * EEPROM configuration
+ */
+#define CFG_I2C_EEPROM_ADDR 0x50 /* 1010000x */
+#define CFG_I2C_EEPROM_ADDR_LEN 1
+#define CFG_EEPROM_PAGE_WRITE_BITS 3
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 70
+
+/*
+ * Flash configuration
+ */
+#define CFG_FLASH_BASE 0xFF000000
+#define CFG_FLASH_SIZE 0x01000000
+#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x00040000)
+
+#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
+#define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
+
+#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
+
+#undef CONFIG_FLASH_16BIT /* Flash is 8-bit */
+
+
+/*
+ * Environment settings
+ */
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_SIZE 0x20000
+#define CFG_ENV_SECT_SIZE 0x20000
+#define CONFIG_ENV_OVERWRITE 1
+
+/*
+ * Memory map
+ */
+#define CFG_MBAR 0xF0000000
+#define CFG_SDRAM_BASE 0x00000000
+#define CFG_DEFAULT_MBAR 0x80000000
+
+/* Use SRAM until RAM will be available */
+#define CFG_INIT_RAM_ADDR MPC5XXX_SRAM
+#define CFG_INIT_RAM_END MPC5XXX_SRAM_SIZE /* End of used area in DPRAM */
+
+
+#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
+
+#define CFG_MONITOR_BASE TEXT_BASE
+#define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
+#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
+#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
+
+/*
+ * Ethernet configuration
+ */
+#define CONFIG_MPC5xxx_FEC 1
+/*
+ * Define CONFIG_FEC_10MBIT to force FEC at 10Mb
+ */
+/* #define CONFIG_FEC_10MBIT 1 */
+#define CONFIG_PHY_ADDR 0x00
+
+/*
+ * GPIO configuration
+ */
+//#define CFG_GPS_PORT_CONFIG 0x10002004
+#define CFG_GPS_PORT_CONFIG 0x00002004 //no CAN
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
+#define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
+
+#define CFG_LOAD_ADDR 0x100000 /* default load address */
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+/*
+ * Various low-level settings
+ */
+#if defined(CONFIG_MPC5200)
+#define CFG_HID0_INIT HID0_ICE | HID0_ICFI
+#define CFG_HID0_FINAL HID0_ICE
+#else
+#define CFG_HID0_INIT 0
+#define CFG_HID0_FINAL 0
+#endif
+
+#define CFG_BOOTCS_START CFG_FLASH_BASE
+#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
+#define CFG_BOOTCS_CFG 0x00047801
+#define CFG_CS0_START CFG_FLASH_BASE
+#define CFG_CS0_SIZE CFG_FLASH_SIZE
+
+#define CFG_CS_BURST 0x00000000
+#define CFG_CS_DEADCYCLE 0x33333333
+
+#define CFG_RESET_ADDRESS 0xff000000
+
+#endif /* __CONFIG_H */