--- /dev/null
+#
+# (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
+
+#########################################################################
--- /dev/null
+/*
+ * (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);
+}
+
+/* ------------------------------------------------------------------------- */
--- /dev/null
+/*
+ * (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
+ *
+ *****************************************************************************/
--- /dev/null
+#
+# (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
--- /dev/null
+/*
+ * (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);
+}
+
+/*-----------------------------------------------------------------------
+ */
--- /dev/null
+/*------------------------------------------------------------------------------+ */
+/* */
+/* 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
--- /dev/null
+/*
+ * (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 = .);
+}
--- /dev/null
+/*
+ * (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 = .);
+}
+
--- /dev/null
+/*
+ * (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 */
projects / project / bcm63xx / u-boot.git / commitdiff