BUBINGA405EP board added (IBM PPC405EP Eval Board).
authorstroese <stroese>
Fri, 23 May 2003 11:28:55 +0000 (11:28 +0000)
committerstroese <stroese>
Fri, 23 May 2003 11:28:55 +0000 (11:28 +0000)
board/bubinga405ep/Makefile [new file with mode: 0644]
board/bubinga405ep/bubinga405ep.c [new file with mode: 0644]
board/bubinga405ep/bubinga405ep.h [new file with mode: 0644]
board/bubinga405ep/config.mk [new file with mode: 0644]
board/bubinga405ep/flash.c [new file with mode: 0644]
board/bubinga405ep/init.S [new file with mode: 0644]
board/bubinga405ep/u-boot.lds [new file with mode: 0644]
board/bubinga405ep/u-boot.lds.debug [new file with mode: 0644]
include/configs/BUBINGA405EP.h [new file with mode: 0644]

diff --git a/board/bubinga405ep/Makefile b/board/bubinga405ep/Makefile
new file mode 100644 (file)
index 0000000..12b2fa8
--- /dev/null
@@ -0,0 +1,47 @@
+#
+# (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   = $(BOARD).o flash.o
+SOBJS  = init.o
+
+$(LIB):        $(OBJS) $(SOBJS)
+       $(AR) crv $@ $^
+
+clean:
+       rm -f $(SOBJS) $(OBJS)
+
+distclean:     clean
+       rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend:       Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+               $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/bubinga405ep/bubinga405ep.c b/board/bubinga405ep/bubinga405ep.c
new file mode 100644 (file)
index 0000000..eb9baf4
--- /dev/null
@@ -0,0 +1,126 @@
+/*
+ * (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
+ */
+long int spd_sdram (void);
+
+#include <common.h>
+#include "bubinga405ep.h"
+#include <asm/processor.h>
+
+
+int board_pre_init (void)
+{
+       mtdcr (uicsr, 0xFFFFFFFF);      /* clear all ints */
+       mtdcr (uicer, 0x00000000);      /* disable all ints */
+       mtdcr (uiccr, 0x00000010);
+       mtdcr (uicpr, 0xFFFF7FF0);      /* set int polarities */
+       mtdcr (uictr, 0x00000010);      /* set int trigger levels */
+       mtdcr (uicsr, 0xFFFFFFFF);      /* clear all ints */
+
+#if 0
+#define mtebc(reg, data)  mtdcr(ebccfga,reg);mtdcr(ebccfgd,data)
+    /* CS1 */
+       /* BAS=0xF00,BS=0x0(1MB),BU=0x3(R/W),BW=0x0( 8 bits) */
+       mtebc (pb1ap, 0x02815480);
+       mtebc (pb1cr, 0xF0018000);
+
+       p = (unsigned int*)0xEF600708;
+       t = *p;
+       t = t | 0x00000400;
+       *p = t;
+
+       /* BAS=0xF01,BS=0x0(1MB),BU=0x3(R/W),BW=0x0(8 bits) */
+       mtebc (pb2ap, 0x04815A80);
+       mtebc (pb2cr, 0xF0118000);
+
+       /* BAS=0xF02,BS=0x0(1MB),BU=0x3(R/W),BW=0x0( 8 bits) */
+       mtebc (pb3ap, 0x01815280);
+       mtebc (pb3cr, 0xF0218000);
+
+       /* BAS=0xF03,BS=0x0(1MB),BU=0x3(R/W),BW=0x0(8 bits) */
+       mtebc (pb7ap, 0x01815280);
+       mtebc (pb7cr, 0xF0318000);
+
+
+       /* set UART1 control to select CTS/RTS */
+#define FPGA_BRDC       0xF0300004
+       *(volatile char *) (FPGA_BRDC) |= 0x1;
+
+#endif
+
+       return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+       unsigned char *s = getenv ("serial#");
+       unsigned char *e;
+
+       puts ("Board: ");
+
+       if (!s || strncmp (s, "BUBINGA405EP", 9)) {
+               puts ("### No HW ID - assuming WALNUT405");
+       } else {
+               for (e = s; *e; ++e) {
+                       if (*e == ' ')
+                               break;
+               }
+               for (; s < e; ++s) {
+                       putc (*s);
+               }
+       }
+       putc ('\n');
+
+       return (0);
+}
+
+
+/* -------------------------------------------------------------------------
+  initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
+  the necessary info for SDRAM controller configuration
+   ------------------------------------------------------------------------- */
+long int initdram (int board_type)
+{
+       long int ret;
+
+       ret = spd_sdram ();
+       return ret;
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+       /* TODO: XXX XXX XXX */
+       printf ("test: xxx MB - ok\n");
+
+       return (0);
+}
+
+/* ------------------------------------------------------------------------- */
diff --git a/board/bubinga405ep/bubinga405ep.h b/board/bubinga405ep/bubinga405ep.h
new file mode 100644 (file)
index 0000000..5fc313a
--- /dev/null
@@ -0,0 +1,44 @@
+/*
+ * (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
+ */
+
+/****************************************************************************
+ * FLASH Memory Map as used by TQ Monitor:
+ *
+ *                          Start Address    Length
+ * +-----------------------+ 0x4000_0000     Start of Flash -----------------
+ * | MON8xx code           | 0x4000_0100     Reset Vector
+ * +-----------------------+ 0x400?_????
+ * | (unused)              |
+ * +-----------------------+ 0x4001_FF00
+ * | Ethernet Addresses    |                 0x78
+ * +-----------------------+ 0x4001_FF78
+ * | (Reserved for MON8xx) |                 0x44
+ * +-----------------------+ 0x4001_FFBC
+ * | Lock Address          |                 0x04
+ * +-----------------------+ 0x4001_FFC0                     ^
+ * | Hardware Information  |                 0x40            | MON8xx
+ * +=======================+ 0x4002_0000 (sector border)    -----------------
+ * | Autostart Header      |                                 | Applications
+ * | ...                   |                                 v
+ *
+ *****************************************************************************/
diff --git a/board/bubinga405ep/config.mk b/board/bubinga405ep/config.mk
new file mode 100644 (file)
index 0000000..8426bb3
--- /dev/null
@@ -0,0 +1,29 @@
+#
+# (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
+#
+
+#
+# esd ADCIOP boards
+#
+
+#TEXT_BASE = 0xFFFE0000
+TEXT_BASE = 0xFFF80000
diff --git a/board/bubinga405ep/flash.c b/board/bubinga405ep/flash.c
new file mode 100644 (file)
index 0000000..f93dcd4
--- /dev/null
@@ -0,0 +1,737 @@
+/*
+ * (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
+ */
+
+/*
+ * Modified 4/5/2001
+ * Wait for completion of each sector erase command issued
+ * 4/5/2001
+ * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+
+flash_info_t   flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips        */
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+static void flash_get_offsets (ulong base, flash_info_t *info);
+
+#ifdef CONFIG_ADCIOP
+#define ADDR0           0x0aa9
+#define ADDR1           0x0556
+#define FLASH_WORD_SIZE unsigned char
+#endif
+
+#ifdef CONFIG_CPCI405
+#define ADDR0           0x5555
+#define ADDR1           0x2aaa
+#define FLASH_WORD_SIZE unsigned short
+#endif
+
+#ifdef CONFIG_WALNUT405
+#define ADDR0           0x5555
+#define ADDR1           0x2aaa
+#define FLASH_WORD_SIZE unsigned char
+#endif
+
+#ifdef CONFIG_BUBINGA405EP
+#define ADDR0           0x5555
+#define ADDR1           0x2aaa
+#define FLASH_WORD_SIZE unsigned char
+#endif
+
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+       unsigned long size_b0, size_b1;
+       int i;
+        uint pbcr;
+        unsigned long base_b0, base_b1;
+
+       /* Init: no FLASHes known */
+       for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+               flash_info[i].flash_id = FLASH_UNKNOWN;
+       }
+
+       /* Static FLASH Bank configuration here - FIXME XXX */
+
+       size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
+
+       if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+               printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+                       size_b0, size_b0<<20);
+       }
+
+       /* Only one bank */
+       if (CFG_MAX_FLASH_BANKS == 1)
+         {
+           /* Setup offsets */
+           flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]);
+
+           /* Monitor protection ON by default */
+           (void)flash_protect(FLAG_PROTECT_SET,
+                               FLASH_BASE0_PRELIM,
+                               FLASH_BASE0_PRELIM+CFG_MONITOR_LEN-1,
+                               &flash_info[0]);
+           size_b1 = 0 ;
+           flash_info[0].size = size_b0;
+         }
+
+       /* 2 banks */
+       else
+         {
+           size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]);
+
+           /* Re-do sizing to get full correct info */
+
+           if (size_b1)
+             {
+               mtdcr(ebccfga, pb0cr);
+               pbcr = mfdcr(ebccfgd);
+               mtdcr(ebccfga, pb0cr);
+               base_b1 = -size_b1;
+               pbcr = (pbcr & 0x0001ffff) | base_b1 | (((size_b1/1024/1024)-1)<<17);
+               mtdcr(ebccfgd, pbcr);
+               /*          printf("pb1cr = %x\n", pbcr); */
+             }
+
+           if (size_b0)
+             {
+               mtdcr(ebccfga, pb1cr);
+               pbcr = mfdcr(ebccfgd);
+               mtdcr(ebccfga, pb1cr);
+               base_b0 = base_b1 - size_b0;
+               pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17);
+               mtdcr(ebccfgd, pbcr);
+               /*            printf("pb0cr = %x\n", pbcr); */
+             }
+
+           size_b0 = flash_get_size((vu_long *)base_b0, &flash_info[0]);
+
+           flash_get_offsets (base_b0, &flash_info[0]);
+
+           /* monitor protection ON by default */
+           (void)flash_protect(FLAG_PROTECT_SET,
+                               base_b0+size_b0-CFG_MONITOR_LEN,
+                               base_b0+size_b0-1,
+                               &flash_info[0]);
+
+           if (size_b1) {
+             /* Re-do sizing to get full correct info */
+             size_b1 = flash_get_size((vu_long *)base_b1, &flash_info[1]);
+
+             flash_get_offsets (base_b1, &flash_info[1]);
+
+             /* monitor protection ON by default */
+             (void)flash_protect(FLAG_PROTECT_SET,
+                                 base_b1+size_b1-CFG_MONITOR_LEN,
+                                 base_b1+size_b1-1,
+                                 &flash_info[1]);
+             /* monitor protection OFF by default (one is enough) */
+             (void)flash_protect(FLAG_PROTECT_CLEAR,
+                                 base_b0+size_b0-CFG_MONITOR_LEN,
+                                 base_b0+size_b0-1,
+                                 &flash_info[0]);
+           } else {
+             flash_info[1].flash_id = FLASH_UNKNOWN;
+             flash_info[1].sector_count = -1;
+           }
+
+           flash_info[0].size = size_b0;
+           flash_info[1].size = size_b1;
+         }/* else 2 banks */
+       return (size_b0 + size_b1);
+}
+
+
+
+/*-----------------------------------------------------------------------
+ */
+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_SST) ||
+           (info->flash_id  == FLASH_AM040)){
+           for (i = 0; i < info->sector_count; i++)
+               info->start[i] = base + (i * 0x00010000);
+        } else {
+           if (info->flash_id & FLASH_BTYPE) {
+               /* set sector offsets for bottom boot block type        */
+               info->start[0] = base + 0x00000000;
+               info->start[1] = base + 0x00004000;
+               info->start[2] = base + 0x00006000;
+               info->start[3] = base + 0x00008000;
+               for (i = 4; i < info->sector_count; i++) {
+                       info->start[i] = base + (i * 0x00010000) - 0x00030000;
+               }
+           } else {
+               /* set sector offsets for top boot block type           */
+               i = info->sector_count - 1;
+               info->start[i--] = base + info->size - 0x00004000;
+               info->start[i--] = base + info->size - 0x00006000;
+               info->start[i--] = base + info->size - 0x00008000;
+               for (; i >= 0; i--) {
+                       info->start[i] = base + i * 0x00010000;
+               }
+           }
+       }
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info  (flash_info_t *info)
+{
+       int i;
+        int k;
+        int size;
+        int erased;
+        volatile unsigned long *flash;
+
+       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_FUJ:     printf ("FUJITSU ");            break;
+       case FLASH_MAN_SST:     printf ("SST ");                break;
+       default:                printf ("Unknown Vendor ");     break;
+       }
+
+       switch (info->flash_id & FLASH_TYPEMASK) {
+       case FLASH_AM040:       printf ("AM29F040 (512 Kbit, uniform sector size)\n");
+                               break;
+       case FLASH_AM400B:      printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
+                               break;
+       case FLASH_AM400T:      printf ("AM29LV400T (4 Mbit, top boot sector)\n");
+                               break;
+       case FLASH_AM800B:      printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
+                               break;
+       case FLASH_AM800T:      printf ("AM29LV800T (8 Mbit, top boot sector)\n");
+                               break;
+       case FLASH_AM160B:      printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
+                               break;
+       case FLASH_AM160T:      printf ("AM29LV160T (16 Mbit, top boot sector)\n");
+                               break;
+       case FLASH_AM320B:      printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
+                               break;
+       case FLASH_AM320T:      printf ("AM29LV320T (32 Mbit, top boot sector)\n");
+                               break;
+       case FLASH_SST800A:     printf ("SST39LF/VF800 (8 Mbit, uniform sector size)\n");
+                               break;
+       case FLASH_SST160A:     printf ("SST39LF/VF160 (16 Mbit, uniform sector size)\n");
+                               break;
+       default:                printf ("Unknown Chip Type\n");
+                               break;
+       }
+
+       printf ("  Size: %ld KB in %d Sectors\n",
+               info->size >> 10, info->sector_count);
+
+       printf ("  Sector Start Addresses:");
+       for (i=0; i<info->sector_count; ++i) {
+                /*
+                 * Check if whole sector is erased
+                 */
+                if (i != (info->sector_count-1))
+                  size = info->start[i+1] - info->start[i];
+                else
+                  size = info->start[0] + info->size - info->start[i];
+                erased = 1;
+                flash = (volatile unsigned long *)info->start[i];
+                size = size >> 2;        /* divide by 4 for longword access */
+                for (k=0; k<size; k++)
+                  {
+                    if (*flash++ != 0xffffffff)
+                      {
+                        erased = 0;
+                        break;
+                      }
+                  }
+
+               if ((i % 5) == 0)
+                       printf ("\n   ");
+#if 0 /* test-only */
+               printf (" %08lX%s",
+                       info->start[i],
+                       info->protect[i] ? " (RO)" : "     "
+#else
+               printf (" %08lX%s%s",
+                       info->start[i],
+                       erased ? " E" : "  ",
+                       info->protect[i] ? "RO " : "   "
+#endif
+               );
+       }
+       printf ("\n");
+       return;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size (vu_long *addr, flash_info_t *info)
+{
+       short i;
+       FLASH_WORD_SIZE value;
+       ulong base = (ulong)addr;
+        volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr;
+
+       /* Write auto select command: read Manufacturer ID */
+       addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+       addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+       addr2[ADDR0] = (FLASH_WORD_SIZE)0x00900090;
+
+#ifdef CONFIG_ADCIOP
+       value = addr2[2];
+#else
+       value = addr2[0];
+#endif
+
+       switch (value) {
+       case (FLASH_WORD_SIZE)AMD_MANUFACT:
+               info->flash_id = FLASH_MAN_AMD;
+               break;
+       case (FLASH_WORD_SIZE)FUJ_MANUFACT:
+               info->flash_id = FLASH_MAN_FUJ;
+               break;
+       case (FLASH_WORD_SIZE)SST_MANUFACT:
+               info->flash_id = FLASH_MAN_SST;
+               break;
+       default:
+               info->flash_id = FLASH_UNKNOWN;
+               info->sector_count = 0;
+               info->size = 0;
+               return (0);                     /* no or unknown flash  */
+       }
+
+#ifdef CONFIG_ADCIOP
+       value = addr2[0];                       /* device ID            */
+        /*        printf("\ndev_code=%x\n", value); */
+#else
+       value = addr2[1];                       /* device ID            */
+#endif
+
+       switch (value) {
+       case (FLASH_WORD_SIZE)AMD_ID_F040B:
+               info->flash_id += FLASH_AM040;
+               info->sector_count = 8;
+               info->size = 0x0080000; /* => 512 ko */
+               break;
+       case (FLASH_WORD_SIZE)AMD_ID_LV400T:
+               info->flash_id += FLASH_AM400T;
+               info->sector_count = 11;
+               info->size = 0x00080000;
+               break;                          /* => 0.5 MB            */
+
+       case (FLASH_WORD_SIZE)AMD_ID_LV400B:
+               info->flash_id += FLASH_AM400B;
+               info->sector_count = 11;
+               info->size = 0x00080000;
+               break;                          /* => 0.5 MB            */
+
+       case (FLASH_WORD_SIZE)AMD_ID_LV800T:
+               info->flash_id += FLASH_AM800T;
+               info->sector_count = 19;
+               info->size = 0x00100000;
+               break;                          /* => 1 MB              */
+
+       case (FLASH_WORD_SIZE)AMD_ID_LV800B:
+               info->flash_id += FLASH_AM800B;
+               info->sector_count = 19;
+               info->size = 0x00100000;
+               break;                          /* => 1 MB              */
+
+       case (FLASH_WORD_SIZE)AMD_ID_LV160T:
+               info->flash_id += FLASH_AM160T;
+               info->sector_count = 35;
+               info->size = 0x00200000;
+               break;                          /* => 2 MB              */
+
+       case (FLASH_WORD_SIZE)AMD_ID_LV160B:
+               info->flash_id += FLASH_AM160B;
+               info->sector_count = 35;
+               info->size = 0x00200000;
+               break;                          /* => 2 MB              */
+#if 0  /* enable when device IDs are available */
+       case (FLASH_WORD_SIZE)AMD_ID_LV320T:
+               info->flash_id += FLASH_AM320T;
+               info->sector_count = 67;
+               info->size = 0x00400000;
+               break;                          /* => 4 MB              */
+
+       case (FLASH_WORD_SIZE)AMD_ID_LV320B:
+               info->flash_id += FLASH_AM320B;
+               info->sector_count = 67;
+               info->size = 0x00400000;
+               break;                          /* => 4 MB              */
+#endif
+       case (FLASH_WORD_SIZE)SST_ID_xF800A:
+               info->flash_id += FLASH_SST800A;
+               info->sector_count = 16;
+               info->size = 0x00100000;
+               break;                          /* => 1 MB              */
+
+       case (FLASH_WORD_SIZE)SST_ID_xF160A:
+               info->flash_id += FLASH_SST160A;
+               info->sector_count = 32;
+               info->size = 0x00200000;
+               break;                          /* => 2 MB              */
+
+       default:
+               info->flash_id = FLASH_UNKNOWN;
+               return (0);                     /* => no or unknown flash */
+
+       }
+
+       /* set up sector start address table */
+        if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+           (info->flash_id  == FLASH_AM040)){
+           for (i = 0; i < info->sector_count; i++)
+               info->start[i] = base + (i * 0x00010000);
+        } else {
+           if (info->flash_id & FLASH_BTYPE) {
+               /* set sector offsets for bottom boot block type        */
+               info->start[0] = base + 0x00000000;
+               info->start[1] = base + 0x00004000;
+               info->start[2] = base + 0x00006000;
+               info->start[3] = base + 0x00008000;
+               for (i = 4; i < info->sector_count; i++) {
+                       info->start[i] = base + (i * 0x00010000) - 0x00030000;
+               }
+           } else {
+               /* set sector offsets for top boot block type           */
+               i = info->sector_count - 1;
+               info->start[i--] = base + info->size - 0x00004000;
+               info->start[i--] = base + info->size - 0x00006000;
+               info->start[i--] = base + info->size - 0x00008000;
+               for (; i >= 0; i--) {
+                       info->start[i] = base + i * 0x00010000;
+               }
+           }
+       }
+
+       /* check for protected sectors */
+       for (i = 0; i < info->sector_count; i++) {
+               /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+               /* D0 = 1 if protected */
+#ifdef CONFIG_ADCIOP
+               addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
+               info->protect[i] = addr2[4] & 1;
+#else
+               addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
+                if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
+                  info->protect[i] = 0;
+                else
+                  info->protect[i] = addr2[2] & 1;
+#endif
+       }
+
+       /*
+        * Prevent writes to uninitialized FLASH.
+        */
+       if (info->flash_id != FLASH_UNKNOWN) {
+#if 0 /* test-only */
+#ifdef CONFIG_ADCIOP
+               addr2 = (volatile unsigned char *)info->start[0];
+                addr2[ADDR0] = 0xAA;
+                addr2[ADDR1] = 0x55;
+                addr2[ADDR0] = 0xF0;  /* reset bank */
+#else
+               addr2 = (FLASH_WORD_SIZE *)info->start[0];
+               *addr2 = (FLASH_WORD_SIZE)0x00F000F0;   /* reset bank */
+#endif
+#else /* test-only */
+               addr2 = (FLASH_WORD_SIZE *)info->start[0];
+               *addr2 = (FLASH_WORD_SIZE)0x00F000F0;   /* reset bank */
+#endif /* test-only */
+       }
+
+       return (info->size);
+}
+
+int wait_for_DQ7(flash_info_t *info, int sect)
+{
+       ulong start, now, last;
+       volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[sect]);
+
+       start = get_timer (0);
+    last  = start;
+    while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
+        if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+            printf ("Timeout\n");
+            return -1;
+        }
+        /* show that we're waiting */
+        if ((now - last) > 1000) {  /* every second */
+            putc ('.');
+            last = now;
+        }
+    }
+       return 0;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int    flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+       volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
+       volatile FLASH_WORD_SIZE *addr2;
+       int flag, prot, sect, l_sect;
+       int i;
+
+       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;
+       }
+
+       if (info->flash_id == FLASH_UNKNOWN) {
+               printf ("Can't erase unknown flash type - aborted\n");
+               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");
+       }
+
+       l_sect = -1;
+
+       /* Disable interrupts which might cause a timeout here */
+       flag = disable_interrupts();
+
+       /* Start erase on unprotected sectors */
+       for (sect = s_first; sect<=s_last; sect++) {
+               if (info->protect[sect] == 0) { /* not protected */
+                   addr2 = (FLASH_WORD_SIZE *)(info->start[sect]);
+                   printf("Erasing sector %p\n", addr2);       /* CLH */
+
+                   if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+                       addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+                       addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+                       addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
+                       addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+                       addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+                       addr2[0] = (FLASH_WORD_SIZE)0x00500050;  /* block erase */
+                       for (i=0; i<50; i++)
+                               udelay(1000);  /* wait 1 ms */
+                   } else {
+                       addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+                       addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+                       addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
+                       addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+                       addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+                       addr2[0] = (FLASH_WORD_SIZE)0x00300030;  /* sector erase */
+                   }
+                   l_sect = sect;
+                   /*
+                    * Wait for each sector to complete, it's more
+                    * reliable.  According to AMD Spec, you must
+                    * issue all erase commands within a specified
+                    * timeout.  This has been seen to fail, especially
+                    * if printf()s are included (for debug)!!
+                    */
+                   wait_for_DQ7(info, sect);
+               }
+       }
+
+       /* re-enable interrupts if necessary */
+       if (flag)
+               enable_interrupts();
+
+       /* wait at least 80us - let's wait 1 ms */
+       udelay (1000);
+
+#if 0
+       /*
+        * We wait for the last triggered sector
+        */
+       if (l_sect < 0)
+               goto DONE;
+       wait_for_DQ7(info, l_sect);
+
+DONE:
+#endif
+       /* reset to read mode */
+       addr = (FLASH_WORD_SIZE *)info->start[0];
+       addr[0] = (FLASH_WORD_SIZE)0x00F000F0;  /* reset bank */
+
+       printf (" done\n");
+       return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * 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)
+{
+       ulong cp, wp, data;
+       int i, l, rc;
+
+       wp = (addr & ~3);       /* get lower word aligned address */
+
+       /*
+        * handle unaligned start bytes
+        */
+       if ((l = addr - wp) != 0) {
+               data = 0;
+               for (i=0, cp=wp; i<l; ++i, ++cp) {
+                       data = (data << 8) | (*(uchar *)cp);
+               }
+               for (; i<4 && cnt>0; ++i) {
+                       data = (data << 8) | *src++;
+                       --cnt;
+                       ++cp;
+               }
+               for (; cnt==0 && i<4; ++i, ++cp) {
+                       data = (data << 8) | (*(uchar *)cp);
+               }
+
+               if ((rc = write_word(info, wp, data)) != 0) {
+                       return (rc);
+               }
+               wp += 4;
+       }
+
+       /*
+        * handle word aligned part
+        */
+       while (cnt >= 4) {
+               data = 0;
+               for (i=0; i<4; ++i) {
+                       data = (data << 8) | *src++;
+               }
+               if ((rc = write_word(info, wp, data)) != 0) {
+                       return (rc);
+               }
+               wp  += 4;
+               cnt -= 4;
+       }
+
+       if (cnt == 0) {
+               return (0);
+       }
+
+       /*
+        * handle unaligned tail bytes
+        */
+       data = 0;
+       for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+               data = (data << 8) | *src++;
+               --cnt;
+       }
+       for (; i<4; ++i, ++cp) {
+               data = (data << 8) | (*(uchar *)cp);
+       }
+
+       return (write_word(info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word (flash_info_t * info, ulong dest, ulong data)
+{
+       volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *) (info->start[0]);
+       volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *) dest;
+       volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *) & data;
+       ulong start;
+       int i;
+
+       /* Check if Flash is (sufficiently) erased */
+       if ((*((volatile FLASH_WORD_SIZE *) dest) &
+           (FLASH_WORD_SIZE) data) != (FLASH_WORD_SIZE) data) {
+               return (2);
+       }
+
+       for (i = 0; i < 4 / sizeof (FLASH_WORD_SIZE); i++) {
+               int flag;
+
+               /* Disable interrupts which might cause a timeout here */
+               flag = disable_interrupts ();
+
+               addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA;
+               addr2[ADDR1] = (FLASH_WORD_SIZE) 0x00550055;
+               addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00A000A0;
+
+               dest2[i] = data2[i];
+
+               /* re-enable interrupts if necessary */
+               if (flag)
+                       enable_interrupts ();
+
+               /* data polling for D7 */
+               start = get_timer (0);
+               while ((dest2[i] & (FLASH_WORD_SIZE) 0x00800080) !=
+                      (data2[i] & (FLASH_WORD_SIZE) 0x00800080)) {
+
+                       if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
+                               return (1);
+                       }
+               }
+       }
+
+       return (0);
+}
+
+/*-----------------------------------------------------------------------
+ */
diff --git a/board/bubinga405ep/init.S b/board/bubinga405ep/init.S
new file mode 100644 (file)
index 0000000..12c51e8
--- /dev/null
@@ -0,0 +1,55 @@
+/*------------------------------------------------------------------------------+ */
+/* */
+/*       This source code has been made available to you by IBM on an AS-IS */
+/*       basis.  Anyone receiving this source is licensed under IBM */
+/*       copyrights to use it in any way he or she deems fit, including */
+/*       copying it, modifying it, compiling it, and redistributing it either */
+/*       with or without modifications.  No license under IBM patents or */
+/*       patent applications is to be implied by the copyright license. */
+/* */
+/*       Any user of this software should understand that IBM cannot provide */
+/*       technical support for this software and will not be responsible for */
+/*       any consequences resulting from the use of this software. */
+/* */
+/*       Any person who transfers this source code or any derivative work */
+/*       must include the IBM copyright notice, this paragraph, and the */
+/*       preceding two paragraphs in the transferred software. */
+/* */
+/*       COPYRIGHT   I B M   CORPORATION 1995 */
+/*       LICENSED MATERIAL  -  PROGRAM PROPERTY OF I B M */
+/*------------------------------------------------------------------------------- */
+
+/*----------------------------------------------------------------------------- */
+/* Function:     ext_bus_cntlr_init */
+/* Description:  Initializes the External Bus Controller for the external */
+/*             peripherals. IMPORTANT: For pass1 this code must run from */
+/*             cache since you can not reliably change a peripheral banks */
+/*             timing register (pbxap) while running code from that bank. */
+/*             For ex., since we are running from ROM on bank 0, we can NOT */
+/*             execute the code that modifies bank 0 timings from ROM, so */
+/*             we run it from cache. */
+/*     Bank 0 - Flash and SRAM */
+/*     Bank 1 - NVRAM/RTC */
+/*     Bank 2 - Keyboard/Mouse controller */
+/*     Bank 3 - IR controller */
+/*     Bank 4 - not used */
+/*     Bank 5 - not used */
+/*     Bank 6 - not used */
+/*     Bank 7 - FPGA registers */
+/*----------------------------------------------------------------------------- */
+#include <ppc4xx.h>
+
+#include <ppc_asm.tmpl>
+#include <ppc_defs.h>
+
+#include <asm/cache.h>
+#include <asm/mmu.h>
+
+
+/*----------------------------------------------------------------------------- */
+/* Function:     sdram_init */
+/* Description:  Dummy implementation here - done in C later */
+/*----------------------------------------------------------------------------- */
+        .globl  sdram_init
+sdram_init:
+        blr
diff --git a/board/bubinga405ep/u-boot.lds b/board/bubinga405ep/u-boot.lds
new file mode 100644 (file)
index 0000000..32dfbf0
--- /dev/null
@@ -0,0 +1,144 @@
+/*
+ * (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_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  .resetvec 0xFFFFFFFC :
+  {
+    *(.resetvec)
+  } = 0xffff
+
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp : { *(.interp) }
+  .hash          : { *(.hash)          }
+  .dynsym        : { *(.dynsym)                }
+  .dynstr        : { *(.dynstr)                }
+  .rel.text      : { *(.rel.text)              }
+  .rela.text     : { *(.rela.text)     }
+  .rel.data      : { *(.rel.data)              }
+  .rela.data     : { *(.rela.data)     }
+  .rel.rodata    : { *(.rel.rodata)    }
+  .rela.rodata   : { *(.rela.rodata)   }
+  .rel.got       : { *(.rel.got)               }
+  .rela.got      : { *(.rela.got)              }
+  .rel.ctors     : { *(.rel.ctors)     }
+  .rela.ctors    : { *(.rela.ctors)    }
+  .rel.dtors     : { *(.rel.dtors)     }
+  .rela.dtors    : { *(.rela.dtors)    }
+  .rel.bss       : { *(.rel.bss)               }
+  .rela.bss      : { *(.rela.bss)              }
+  .rel.plt       : { *(.rel.plt)               }
+  .rela.plt      : { *(.rela.plt)              }
+  .init          : { *(.init)  }
+  .plt : { *(.plt) }
+  .text      :
+  {
+    /* WARNING - the following is hand-optimized to fit within */
+    /* the sector layout of our flash chips!   XXX FIXME XXX   */
+
+    cpu/ppc4xx/start.o (.text)
+    board/bubinga405ep/init.o  (.text)
+    cpu/ppc4xx/kgdb.o  (.text)
+    cpu/ppc4xx/traps.o (.text)
+    cpu/ppc4xx/interrupts.o    (.text)
+    cpu/ppc4xx/serial.o        (.text)
+    cpu/ppc4xx/cpu_init.o      (.text)
+    cpu/ppc4xx/speed.o (.text)
+    cpu/ppc4xx/405gp_enet.o    (.text)
+    common/dlmalloc.o  (.text)
+    lib_generic/crc32.o                (.text)
+    lib_ppc/extable.o  (.text)
+    lib_generic/zlib.o         (.text)
+
+/*    . = env_offset;*/
+/*    common/environment.o(.text)*/
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/board/bubinga405ep/u-boot.lds.debug b/board/bubinga405ep/u-boot.lds.debug
new file mode 100644 (file)
index 0000000..69b7872
--- /dev/null
@@ -0,0 +1,147 @@
+/*
+ * (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_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      :
+  {
+    /* WARNING - the following is hand-optimized to fit within */
+    /* the sector layout of our flash chips!   XXX FIXME XXX   */
+
+/*
+    cpu/ppc4xx/start.o (.text)
+    common/dlmalloc.o  (.text)
+    lib_generic/vsprintf.o     (.text)
+    lib_generic/crc32.o                (.text)
+    lib_ppc/extable.o  (.text)
+*/
+    cpu/ppc4xx/start.o (.text)
+    board/bubinga405ep/init.o  (.text)
+    cpu/ppc4xx/kgdb.o  (.text)
+    cpu/ppc4xx/traps.o (.text)
+    cpu/ppc4xx/interrupts.o    (.text)
+    cpu/ppc4xx/serial.o        (.text)
+    cpu/ppc4xx/cpu_init.o      (.text)
+    cpu/ppc4xx/speed.o (.text)
+    cpu/ppc4xx/405gp_enet.o    (.text)
+    common/dlmalloc.o  (.text)
+    lib_generic/crc32.o                (.text)
+    lib_ppc/extable.o  (.text)
+    lib_generic/zlib.o         (.text)
+
+
+    common/environment.o(.text)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+  }
+  .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 = .);
+
+  __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/BUBINGA405EP.h b/include/configs/BUBINGA405EP.h
new file mode 100644 (file)
index 0000000..176a84a
--- /dev/null
@@ -0,0 +1,426 @@
+/*
+ * (C) Copyright 2000, 2001
+ * 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
+ */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* Debug options */
+//#define __DEBUG_START_FROM_SRAM__
+
+
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_405EP           1       /* This is a PPC405 CPU         */
+#define CONFIG_4xx             1       /* ...member of PPC4xx family   */
+#define CONFIG_BUBINGA405EP    1       /* ...on a BUBINGA405EP board   */
+
+#define CONFIG_BOARD_PRE_INIT  1       /* Call board_pre_init  */
+
+#define CONFIG_SYS_CLK_FREQ     33333333 /* external frequency to pll   */
+
+#define CONFIG_NO_SERIAL_EEPROM
+/*#undef CONFIG_NO_SERIAL_EEPROM*/
+/*----------------------------------------------------------------------------*/
+/*----------------------------------------------------------------------------*/
+/*----------------------------------------------------------------------------*/
+#ifdef CONFIG_NO_SERIAL_EEPROM
+
+/*
+!-------------------------------------------------------------------------------
+! Defines for entry options.
+! Note: Because the 405EP SDRAM controller does not support ECC, ECC DIMMs that
+!       are plugged in the board will be utilized as non-ECC DIMMs.
+!-------------------------------------------------------------------------------
+*/
+#define        AUTO_MEMORY_CONFIG
+#define        DIMM_READ_ADDR 0xAB
+#define        DIMM_WRITE_ADDR 0xAA
+
+/*
+!-------------------------------------------------------------------------------
+! PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
+! assuming a 33MHz input clock to the 405EP from the C9531.
+!-------------------------------------------------------------------------------
+*/
+#define PLLMR0_DEFAULT   PLLMR0_266_133_66
+#define PLLMR1_DEFAULT   PLLMR1_266_133_66
+
+#endif
+/*----------------------------------------------------------------------------*/
+/*----------------------------------------------------------------------------*/
+/*----------------------------------------------------------------------------*/
+
+/*#define CFG_ENV_IS_IN_FLASH     1*/  /* use FLASH for environment vars       */
+#define CFG_ENV_IS_IN_NVRAM    1       /* use NVRAM for environment vars       */
+
+#ifdef CFG_ENV_IS_IN_NVRAM
+#undef CFG_ENV_IS_IN_FLASH
+#else
+#ifdef CFG_ENV_IS_IN_FLASH
+#undef CFG_ENV_IS_IN_NVRAM
+#endif
+#endif
+
+#define CONFIG_BAUDRATE                115200
+#define CONFIG_BOOTDELAY       3       /* autoboot after 3 seconds     */
+
+#if 1
+#define CONFIG_BOOTCOMMAND     "" /* autoboot command  */
+#else
+#define CONFIG_BOOTCOMMAND     "bootp" /* autoboot command             */
+#endif
+
+/* Size (bytes) of interrupt driven serial port buffer.
+ * Set to 0 to use polling instead of interrupts.
+ * Setting to 0 will also disable RTS/CTS handshaking.
+ */
+#if 0
+#define CONFIG_SERIAL_SOFTWARE_FIFO 4000
+#else
+#undef CONFIG_SERIAL_SOFTWARE_FIFO
+#endif
+
+#if 0
+#define CONFIG_BOOTARGS                "root=/dev/nfs "                        \
+    "ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0 "        \
+    "nfsroot=192.168.2.190:/home/stefan/cpci405/target_ftest4"
+#else
+#define CONFIG_BOOTARGS                "root=/dev/hda1 "                       \
+   "ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0"
+
+#endif
+
+#define CONFIG_LOADS_ECHO      1       /* echo on for serial download  */
+#define CFG_LOADS_BAUD_CHANGE  1       /* allow baudrate change        */
+
+#define CONFIG_MII             1       /* MII PHY management           */
+#define        CONFIG_PHY_ADDR         1       /* PHY address                  */
+
+#define CONFIG_RTC_DS174x      1       /* use DS1743 RTC in Bubinga    */
+
+/*
+#ifndef __DEBUG_START_FROM_SRAM__
+#define CONFIG_COMMANDS               (CONFIG_CMD_DFL  | \
+                               CFG_CMD_PCI     | \
+                               CFG_CMD_IRQ     | \
+                               CFG_CMD_KGDB    | \
+                               CFG_CMD_DHCP    | \
+                               CFG_CMD_DATE    | \
+                               CFG_CMD_BEDBUG  | \
+                               CFG_CMD_ELF     )
+#else
+#define CONFIG_COMMANDS               (CONFIG_CMD_DFL  | \
+                               CFG_CMD_PCI     | \
+                               CFG_CMD_IRQ     | \
+                               CFG_CMD_KGDB    | \
+                               CFG_CMD_DHCP    | \
+                               CFG_CMD_DATE    | \
+                               CFG_CMD_DATE    | \
+                               CFG_CMD_ELF     )
+#endif
+*/
+
+#define CONFIG_COMMANDS               (CONFIG_CMD_DFL  | \
+                               CFG_CMD_PCI     | \
+                               CFG_CMD_IRQ     | \
+                               CFG_CMD_KGDB    | \
+                               CFG_CMD_DHCP    | \
+                               CFG_CMD_DATE    | \
+                               CFG_CMD_DATE    | \
+                               CFG_CMD_ELF     )
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#undef CONFIG_WATCHDOG                 /* watchdog disabled            */
+
+#define CONFIG_SPD_EEPROM      1       /* use SPD EEPROM for setup    */
+
+/*
+ * 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      0x0400000       /* memtest works on     */
+#define CFG_MEMTEST_END                0x0C00000       /* 4 ... 12 MB in DRAM  */
+
+/*
+ * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
+ * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
+ * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
+ * The Linux BASE_BAUD define should match this configuration.
+ *    baseBaud = cpuClock/(uartDivisor*16)
+ * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
+ * set Linux BASE_BAUD to 403200.
+ */
+#undef  CFG_EXT_SERIAL_CLOCK           /* external serial clock */
+#undef  CFG_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
+#define CFG_BASE_BAUD       691200
+
+/* The following table includes the supported baudrates */
+#define CFG_BAUDRATE_TABLE  \
+    {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
+
+#define CFG_LOAD_ADDR          0x100000        /* default load address */
+#define CFG_EXTBDINFO          1       /* To use extended board_into (bd_t) */
+
+#define        CFG_HZ          1000            /* decrementer freq: 1 ms ticks */
+
+#define CONFIG_HARD_I2C                1       /* I2C with hardware support    */
+#undef  CONFIG_SOFT_I2C                        /* I2C bit-banged               */
+#define CFG_I2C_SPEED          400000  /* I2C speed and slave address  */
+#define CFG_I2C_SLAVE          0x7F
+
+
+/*-----------------------------------------------------------------------
+ * PCI stuff
+ *-----------------------------------------------------------------------
+ */
+#define PCI_HOST_ADAPTER 0              /* configure ar pci adapter     */
+#define PCI_HOST_FORCE  1               /* configure as pci host        */
+#define PCI_HOST_AUTO   2               /* detected via arbiter enable  */
+
+#define CONFIG_PCI                     /* include pci support          */
+#define CONFIG_PCI_HOST        PCI_HOST_FORCE  /* select pci host function     */
+#define CONFIG_PCI_PNP                 /* do pci plug-and-play         */
+                                        /* resource configuration       */
+
+#define CFG_PCI_SUBSYS_VENDORID 0x0000  /* PCI Vendor ID: to-do!!!      */
+#define CFG_PCI_SUBSYS_DEVICEID 0x0000  /* PCI Device ID: to-do!!!      */
+#define CFG_PCI_PTM1LA  0x00000000      /* point to sdram               */
+#define CFG_PCI_PTM1MS  0x80000001      /* 2GB, enable hard-wired to 1  */
+#define CFG_PCI_PTM1PCI 0x00000000      /* Host: use this pci address   */
+#define CFG_PCI_PTM2LA  0x00000000      /* disabled                     */
+#define CFG_PCI_PTM2MS  0x00000000      /* disabled                     */
+#define CFG_PCI_PTM2PCI 0x04000000      /* Host: use this pci address   */
+
+/*-----------------------------------------------------------------------
+ * External peripheral base address
+ *-----------------------------------------------------------------------
+ */
+#undef  CONFIG_IDE_LED                  /* no led for ide supported     */
+#undef  CONFIG_IDE_RESET                /* no reset for ide supported   */
+
+#define        CFG_KEY_REG_BASE_ADDR   0xF0100000
+#define        CFG_IR_REG_BASE_ADDR    0xF0200000
+#define        CFG_FPGA_REG_BASE_ADDR  0xF0300000
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_SDRAM_BASE         0x00000000
+#ifdef __DEBUG_START_FROM_SRAM__
+#define CFG_SRAM_BASE          0xFFF80000
+#define CFG_FLASH_BASE         0xFFF00000
+#define CFG_MONITOR_BASE       CFG_SRAM_BASE
+#else
+#define CFG_SRAM_BASE          0xFFF00000
+#define CFG_FLASH_BASE         0xFFF80000
+#define CFG_MONITOR_BASE       CFG_FLASH_BASE
+#endif
+
+
+//#define CFG_MONITOR_LEN              (200 * 1024)    /* Reserve 200 kB for Monitor   */
+#define CFG_MONITOR_LEN                (192 * 1024)    /* Reserve 200 kB for Monitor   */
+#define CFG_MALLOC_LEN         (128 * 1024)    /* Reserve 128 kB for malloc()  */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CFG_BOOTMAPSZ          (8 << 20)       /* Initial Memory map for Linux */
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define CFG_MAX_FLASH_BANKS    1       /* max number of memory banks           */
+#define CFG_MAX_FLASH_SECT     256     /* max number of sectors on one chip    */
+
+#define CFG_FLASH_ERASE_TOUT   120000  /* Timeout for Flash Erase (in ms)      */
+#define CFG_FLASH_WRITE_TOUT   500     /* Timeout for Flash Write (in ms)      */
+
+/* BEG ENVIRONNEMENT FLASH */
+#ifdef CFG_ENV_IS_IN_FLASH
+#define CFG_ENV_OFFSET         0x00050000 /* Offset of Environment Sector  */
+#define        CFG_ENV_SIZE            0x10000 /* Total Size of Environment Sector     */
+#define CFG_ENV_SECT_SIZE      0x10000 /* see README - env sector total size   */
+#endif
+/* END ENVIRONNEMENT FLASH */
+/*-----------------------------------------------------------------------
+ * NVRAM organization
+ */
+#define CFG_NVRAM_BASE_ADDR    0xf0000000      /* NVRAM base address   */
+#define CFG_NVRAM_SIZE         0x1ff8          /* NVRAM size   */
+
+#ifdef CFG_ENV_IS_IN_NVRAM
+#define CFG_ENV_SIZE           0x1000          /* Size of Environment vars     */
+#define CFG_ENV_ADDR           \
+       (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE)       /* Env  */
+#endif
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_DCACHE_SIZE                16384   /* For IBM 405EP CPU                    */
+#define CFG_CACHELINE_SIZE     32      /* ...                  */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT    5       /* log base 2 of the above value        */
+#endif
+
+/*
+ * Init Memory Controller:
+ *
+ * BR0/1 and OR0/1 (FLASH)
+ */
+
+#define FLASH_BASE0_PRELIM     CFG_FLASH_BASE  /* FLASH bank #0        */
+#define FLASH_BASE1_PRELIM     0               /* FLASH bank #1        */
+
+
+/* Configuration Port location */
+#define CONFIG_PORT_ADDR       0xF0000500
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in data cache)
+ */
+/* use on chip memory ( OCM ) for temperary stack until sdram is tested */
+#define CFG_TEMP_STACK_OCM        1
+
+/* On Chip Memory location */
+#define CFG_OCM_DATA_ADDR      0xF8000000
+#define CFG_OCM_DATA_SIZE      0x1000
+#define CFG_INIT_RAM_ADDR      CFG_OCM_DATA_ADDR /* inside of SDRAM            */
+#define CFG_INIT_RAM_END       CFG_OCM_DATA_SIZE /* End of used area in RAM    */
+
+#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
+
+/*-----------------------------------------------------------------------
+ * External Bus Controller (EBC) Setup
+ */
+
+/* Memory Bank 0 (Flash/SRAM) initialization                                    */
+#define CFG_EBC_PB0AP           0x04006000
+#define CFG_EBC_PB0CR           0xFFF18000  /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit  */
+
+/* Memory Bank 1 (NVRAM/RTC) initialization                                     */
+#define CFG_EBC_PB1AP           0x04041000
+#define CFG_EBC_PB1CR           0xF0018000  /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit  */
+
+/* Memory Bank 2 (not used) initialization                                      */
+#define CFG_EBC_PB2AP           0x00000000
+#define CFG_EBC_PB2CR           0x00000000
+
+/* Memory Bank 2 (not used) initialization                                      */
+#define CFG_EBC_PB3AP           0x00000000
+#define CFG_EBC_PB3CR           0x00000000
+
+/* Memory Bank 4 (FPGA regs) initialization                                     */
+#define CFG_EBC_PB4AP           0x01815000
+#define CFG_EBC_PB4CR           0xF0318000  /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit  */
+
+/*-----------------------------------------------------------------------
+ * Definitions for Serial Presence Detect EEPROM address
+ * (to get SDRAM settings)
+ */
+#define SPD_EEPROM_ADDRESS      0x55
+
+/*-----------------------------------------------------------------------
+ * Definitions for GPIO setup (PPC405EP specific)
+ *
+ * GPIO0[0]     - External Bus Controller BLAST output
+ * GPIO0[1-9]   - Instruction trace outputs
+ * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs
+ * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs
+ * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
+ * GPIO0[24-27] - UART0 control signal inputs/outputs
+ * GPIO0[28-29] - UART1 data signal input/output
+ * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs
+ */
+#define CFG_GPIO0_OSRH          0x55555555
+#define CFG_GPIO0_OSRL          0x40000110
+#define CFG_GPIO0_ISR1H         0x00000000
+#define CFG_GPIO0_ISR1L         0x15555445
+#define CFG_GPIO0_TSRH          0x00000000
+#define CFG_GPIO0_TSRL          0x00000000
+#define CFG_GPIO0_TCR           0xFFFF8014
+
+/*-----------------------------------------------------------------------
+ * Some BUBINGA stuff...
+ */
+#define NVRAM_BASE      0xF0000000
+#define FPGA_REG0       0xF0300000    /* FPGA Reg 0              */
+#define FPGA_REG1       0xF0300001    /* FPGA Reg 1              */
+#define NVRVFY1     0x4f532d4f    /* used to determine if state data in */
+#define NVRVFY2     0x50454e00    /* NVRAM initialized (ascii for OS-OPEN)*/
+
+#define FPGA_REG0_F_RANGE     0x80       /* SDRAM PLL freq range              */
+#define FPGA_REG0_EXT_INT_DIS 0x20       /* External interface disable        */
+#define FPGA_REG0_LED_MASK    0x07       /* Board LEDs DS9, DS10, and DS11    */
+#define FPGA_REG0_LED0        0x04       /* Turn on LED0                      */
+#define FPGA_REG0_LED1        0x02       /* Turn on LED1                      */
+#define FPGA_REG0_LED2        0x01       /* Turn on LED2                      */
+
+#define FPGA_REG1_SSPEC_DIS   0x80       /* C9531 Spread Spectrum disabled    */
+#define FPGA_REG1_OFFBD_PCICLK 0x40      /* Onboard PCI clock selected       */
+#define FPGA_REG1_CLOCK_MASK  0x30       /* Mask for C9531 output freq select */
+#define FPGA_REG1_CLOCK_BIT_SHIFT  4
+#define FPGA_REG1_PCI_INT_ARB 0x08       /* PCI Internal arbiter selected     */
+#define FPGA_REG1_PCI_FREQ    0x04       /* PCI Frequency select              */
+#define FPGA_REG1_OFFB_FLASH  0x02       /* Off board flash                   */
+#define FPGA_REG1_SRAM_BOOT   0x01       /* SRAM at 0xFFF80000 not Flash      */
+
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD  0x01            /* Normal Power-On: Boot from FLASH     */
+#define BOOTFLAG_WARM  0x02            /* Software reboot                      */
+
+#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
+
+#endif /* __CONFIG_H */