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-rw-r--r--board/v37/Makefile40
-rw-r--r--board/v37/config.mk27
-rw-r--r--board/v37/flash.c559
-rw-r--r--board/v37/u-boot.lds142
-rw-r--r--board/v37/v37.c218
5 files changed, 986 insertions, 0 deletions
diff --git a/board/v37/Makefile b/board/v37/Makefile
new file mode 100644
index 0000000..baecac9
--- /dev/null
+++ b/board/v37/Makefile
@@ -0,0 +1,40 @@
+#
+# (C) Copyright 2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS = $(BOARD).o flash.o
+
+$(LIB): .depend $(OBJS)
+ $(AR) crv $@ $^
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/v37/config.mk b/board/v37/config.mk
new file mode 100644
index 0000000..50cac97
--- /dev/null
+++ b/board/v37/config.mk
@@ -0,0 +1,27 @@
+#
+# (C) Copyright 2003
+# 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
+#
+
+#
+# Marel V37 boards
+#
+TEXT_BASE = 0x40000000
diff --git a/board/v37/flash.c b/board/v37/flash.c
new file mode 100644
index 0000000..4de0e14
--- /dev/null
+++ b/board/v37/flash.c
@@ -0,0 +1,559 @@
+/*
+ * (C) Copyright 2003
+ * 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
+ */
+
+/*
+ * Yoo. Jonghoon, IPone, yooth@ipone.co.kr
+ * PPCboot port on RPXlite board
+ *
+ * Some of flash control words are modified. (from 2x16bit device
+ * to 4x8bit device)
+ * RPXLite board I tested has only 4 AM29LV800BB devices. Other devices
+ * are not tested.
+ *
+ * (?) Does an RPXLite board which
+ * does not use AM29LV800 flash memory exist ?
+ * I don't know...
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size ( short manu, short dev_id, 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, int two_chips);
+static void flash_get_id_word( void *ptr, short *ptr_manuf, short *ptr_dev_id);
+static void flash_get_id_long( void *ptr, short *ptr_manuf, short *ptr_dev_id);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ unsigned long size_b0, size_b1;
+ short manu, dev_id;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ /* Do sizing to get full correct info */
+
+ flash_get_id_word((void*)CFG_FLASH_BASE0,&manu,&dev_id);
+
+ size_b0 = flash_get_size(manu, dev_id, &flash_info[0]);
+
+ flash_get_offsets (CFG_FLASH_BASE0, &flash_info[0],0);
+
+ memctl->memc_or0 = CFG_OR_TIMING_FLASH | (0 - size_b0);
+
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE0
+ /* monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE+CFG_MONITOR_LEN-1,
+ &flash_info[0]);
+#endif
+
+ flash_get_id_long((void*)CFG_FLASH_BASE1,&manu,&dev_id);
+
+ size_b1 = 2 * flash_get_size(manu, dev_id, &flash_info[1]);
+
+ flash_get_offsets(CFG_FLASH_BASE1, &flash_info[1],1);
+
+ memctl->memc_or1 = CFG_OR_TIMING_FLASH | (0 - size_b1);
+
+ flash_info[0].size = size_b0;
+ flash_info[1].size = size_b1;
+
+ return (size_b0+size_b1);
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t *info, int two_chips)
+{
+ int i, addr_shift;
+ vu_short *addr = (vu_short*)base;
+
+ addr[0x555] = 0x00AA ;
+ addr[0xAAA] = 0x0055 ;
+ addr[0x555] = 0x0090 ;
+
+ addr_shift = (two_chips ? 2 : 1 );
+
+ /* set up sector start address table */
+ if (info->flash_id & FLASH_BTYPE) {
+ /* set sector offsets for bottom boot block type */
+ info->start[0] = base + (0x00000000<<addr_shift);
+ info->start[1] = base + (0x00002000<<addr_shift);
+ info->start[2] = base + (0x00003000<<addr_shift);
+ info->start[3] = base + (0x00004000<<addr_shift);
+ for (i = 4; i < info->sector_count; i++) {
+ info->start[i] = base + ((i-3) * (0x00008000<<addr_shift)) ;
+ }
+ } else {
+ /* set sector offsets for top boot block type */
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - (0x00002000<<addr_shift);
+ info->start[i--] = base + info->size - (0x00003000<<addr_shift);
+ info->start[i--] = base + info->size - (0x00004000<<addr_shift);
+ for (; i >= 0; i--) {
+ info->start[i] = base + i * (0x00008000<<addr_shift);
+ }
+ }
+
+ /* 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 */
+ addr = (vu_short *)(info->start[i]);
+ info->protect[i] = addr[1<<addr_shift] & 1 ;
+ }
+
+ addr = (vu_short *)info->start[0];
+ *addr = 0xF0F0; /* reset bank */
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t *info)
+{
+ int i;
+
+ 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_TOSH: printf ("TOSHIBA "); break;
+ default: printf ("Unknown Vendor "); break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ 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;
+ default: printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i=0; i<info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s",
+ info->start[i],
+ info->protect[i] ? " (RO)" : " "
+ );
+ }
+ printf ("\n");
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+static void flash_get_id_word( void *ptr, short *ptr_manuf, short *ptr_dev_id)
+{
+ vu_short *addr = (vu_short*)ptr;
+
+ addr[0x555] = 0x00AA ;
+ addr[0xAAA] = 0x0055 ;
+ addr[0x555] = 0x0090 ;
+
+ *ptr_manuf = addr[0];
+ *ptr_dev_id = addr[1];
+
+ addr[0] = 0xf0f0; /* return to normal */
+}
+
+static void flash_get_id_long( void *ptr, short *ptr_manuf, short *ptr_dev_id)
+{
+ vu_short *addr = (vu_short*)ptr;
+ vu_short *addr1, *addr2, *addr3;
+
+ addr1 = (vu_short*) ( ((int)ptr) + (0x5555<<2) );
+ addr2 = (vu_short*) ( ((int)ptr) + (0x2AAA<<2) );
+ addr3 = (vu_short*) ( ((int)ptr) + (0x5555<<2) );
+
+ *addr1 = 0xAAAA;
+ *addr2 = 0x5555;
+ *addr3 = 0x9090;
+
+ *ptr_manuf = addr[0];
+ *ptr_dev_id = addr[2];
+
+ addr[0] = 0xf0f0; /* return to normal */
+}
+
+static ulong flash_get_size ( short manu, short dev_id, flash_info_t *info)
+{
+ switch (manu) {
+ case ((short)AMD_MANUFACT):
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ case ((short)FUJ_MANUFACT):
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
+ case ((short)TOSH_MANUFACT):
+ info->flash_id = FLASH_MAN_TOSH;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
+ }
+
+
+ switch (dev_id) {
+ case ((short)TOSH_ID_FVT160):
+ info->flash_id += FLASH_AM160T;
+ info->sector_count = 35;
+ info->size = 0x00200000;
+ break; /* => 1 MB */
+
+ case ((short)TOSH_ID_FVB160):
+ info->flash_id += FLASH_AM160B;
+ info->sector_count = 35;
+ info->size = 0x00200000;
+ break; /* => 1 MB */
+
+ case ((short)AMD_ID_LV400T):
+ info->flash_id += FLASH_AM400T;
+ info->sector_count = 11;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+
+ case ((short)AMD_ID_LV400B):
+ info->flash_id += FLASH_AM400B;
+ info->sector_count = 11;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+
+ case ((short)AMD_ID_LV800T):
+ info->flash_id += FLASH_AM800T;
+ info->sector_count = 19;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case ((short)AMD_ID_LV800B):
+ info->flash_id += FLASH_AM800B;
+ info->sector_count = 19;
+ info->size = 0x00400000; //%%% Size doubled by yooth
+ break; /* => 4 MB */
+
+ case ((short)AMD_ID_LV160T):
+ info->flash_id += FLASH_AM160T;
+ info->sector_count = 35;
+ info->size = 0x00200000;
+ break; /* => 4 MB */
+
+ case ((short)AMD_ID_LV160B):
+ info->flash_id += FLASH_AM160B;
+ info->sector_count = 35;
+ info->size = 0x00200000;
+ break; /* => 4 MB */
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+
+ }
+
+ return(info->size);
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ vu_short *addr = (vu_short*)(info->start[0]);
+ int flag, prot, sect, l_sect;
+ ulong start, now, last;
+
+ 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) ||
+ (info->flash_id > FLASH_AMD_COMP)) {
+ printf ("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return 1;
+ }
+
+ prot = 0;
+ for (sect=s_first; sect<=s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf ("\n");
+ }
+
+ l_sect = -1;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr[0x555] = (vu_short)0xAAAAAAAA;
+ addr[0xAAA] = (vu_short)0x55555555;
+ addr[0x555] = (vu_short)0x80808080;
+ addr[0x555] = (vu_short)0xAAAAAAAA;
+ addr[0xAAA] = (vu_short)0x55555555;
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (vu_short *)(info->start[sect]) ;
+ addr[0] = (vu_short)0x30303030 ;
+ l_sect = sect;
+ }
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+
+ /*
+ * We wait for the last triggered sector
+ */
+ if (l_sect < 0)
+ goto DONE;
+
+ start = get_timer (0);
+ last = start;
+ addr = (vu_short *)(info->start[l_sect]);
+ while ((addr[0] & 0x8080) != 0x8080) {
+ 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;
+ }
+ }
+
+DONE:
+ /* reset to read mode */
+ addr = (vu_short *)info->start[0];
+ addr[0] = (vu_short)0xF0F0F0F0; /* 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)
+{
+ vu_short *addr = (vu_short *)(info->start[0]);
+ vu_short sdata;
+
+ ulong start;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*((vu_long *)dest) & data) != data) {
+ return (2);
+ }
+
+ /* First write upper 16 bits */
+ sdata = (short)(data>>16);
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr[0x555] = 0xAAAA;
+ addr[0xAAA] = 0x5555;
+ addr[0x555] = 0xA0A0;
+
+ *((vu_short *)dest) = sdata;
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((*((vu_short *)dest) & 0x8080) != (sdata & 0x8080)) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+
+ /* Now write lower 16 bits */
+ sdata = (short)(data&0xffff);
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr[0x555] = 0xAAAA;
+ addr[0xAAA] = 0x5555;
+ addr[0x555] = 0xA0A0;
+
+ *((vu_short *)dest + 1) = sdata;
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((*((vu_short *)dest + 1) & 0x8080) != (sdata & 0x8080)) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ return (0);
+}
+
+/*-----------------------------------------------------------------------
+ */
diff --git a/board/v37/u-boot.lds b/board/v37/u-boot.lds
new file mode 100644
index 0000000..4db2e45
--- /dev/null
+++ b/board/v37/u-boot.lds
@@ -0,0 +1,142 @@
+/*
+ * (C) Copyright 2003
+ * 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/mpc8xx/start.o (.text)
+ cpu/mpc8xx/traps.o (.text)
+ common/dlmalloc.o (.text)
+ lib_ppc/ppcstring.o (.text)
+ lib_generic/vsprintf.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_generic/zlib.o (.text)
+ lib_ppc/cache.o (.text)
+ lib_ppc/time.o (.text)
+
+/*
+ . = env_offset;
+*/
+ common/environment.o (.ppcenv)
+
+ *(.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/v37/v37.c b/board/v37/v37.c
new file mode 100644
index 0000000..764aff7
--- /dev/null
+++ b/board/v37/v37.c
@@ -0,0 +1,218 @@
+/*
+ * (C) Copyright 2003
+ * 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
+ */
+
+/*
+ * Yoo. Jonghoon, IPone, yooth@ipone.co.kr
+ * PPCboot port on RPXlite board
+ *
+ * DRAM related UPMA register values are modified.
+ * See RPXLite engineering note : 50MHz/60ns - UPM RAM WORDS
+ */
+
+#include <common.h>
+#include "mpc8xx.h"
+
+/* ------------------------------------------------------------------------- */
+
+static long int dram_size (void);
+
+/* ------------------------------------------------------------------------- */
+
+#define MBYTE (1024*1024)
+#define DRAM_DELAY 0x00000379 /* DRAM delay count */
+#define _NOT_USED_ 0xFFFFCC25
+
+const uint sdram_table[] =
+{
+ /* single read. (offset 0 in upm RAM) */
+ 0x1F07D004, 0xEEAEE004, 0x11ADD004, 0xEFBBA000,
+ 0x1FF75447, 0x1FF77C34, 0xEFEABC34, 0x1FB57C35,
+
+ /* burst read. (Offset 8 in upm RAM) */
+ 0x1F07D004, 0xEEAEE004, 0x00ADC004, 0x00AFC000,
+ 0x00AFC000, 0x01AFC000, 0x0FBB8000, 0x1FF75447,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* single write. (Offset 0x18 in upm RAM) */
+ 0x1F27D004, 0xEEAEA000, 0x01B90004, 0x1FF75447,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* burst write. (Offset 0x20 in upm RAM) */
+ 0x1F07D004, 0xEEAEA000, 0x00AD4000, 0x00AFC000,
+ 0x00AFC000, 0x01BB8004, 0x1FF75447, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Refresh cycle, offset 0x30 */
+ 0x1FF5DC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
+ 0xFFFFFC84, 0xFFFFFC07, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+
+ /* Exception, 0ffset 0x3C */
+ 0x7FFFFC07, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+};
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Check Board Identity:
+ *
+ * Return 1 for now.
+ *
+ */
+
+int checkboard (void)
+{
+ printf("Marel V37\n") ;
+ return (0) ;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ unsigned long temp;
+ volatile int delay_cnt;
+ long int ramsize;
+
+ ramsize = dram_size();
+
+ /* Refresh clock prescalar */
+ memctl->memc_mptpr = 0x400 ;
+
+ if( ramsize == 32*MBYTE )
+ temp = 0xd0904110;
+ else /* 16MB */
+ temp = 0xd0802110;
+
+ memctl->memc_mbmr = temp;
+
+ upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+
+ /* Map controller banks 2 to the SDRAM bank */
+ memctl->memc_or2 = 0xA00 | (0 - ramsize);
+ memctl->memc_br2 = 0xC1;
+
+ memctl->memc_mbmr = temp | 0x08;
+ memctl->memc_mcr = 0x80804130;
+
+ delay_cnt = 0;
+ while( delay_cnt++ < DRAM_DELAY )
+ ;
+
+ /* Run MRS command in location 5-8 of UPMB */
+
+ memctl->memc_mbmr = temp | 0x04;
+ memctl->memc_mar = 0x88;
+
+ memctl->memc_mcr = 0x80804105;
+
+ delay_cnt = 0;
+ while( delay_cnt++ < DRAM_DELAY )
+ ;
+
+#ifdef CONFIG_CAN_DRIVER
+ /* Initialize OR3 / BR3 */
+ memctl->memc_or3 = CFG_OR3_CAN;
+ memctl->memc_br3 = CFG_BR3_CAN;
+
+ /* Initialize MBMR */
+ memctl->memc_mamr = MAMR_GPL_B4DIS; /* GPL_B4 ouput line Disable */
+
+ /* Initialize UPMB for CAN: single read */
+ memctl->memc_mdr = 0xFFFFC004;
+ memctl->memc_mcr = 0x0100 | UPMA;
+
+ memctl->memc_mdr = 0x0FFFD004;
+ memctl->memc_mcr = 0x0101 | UPMA;
+
+ memctl->memc_mdr = 0x0FFFC000;
+ memctl->memc_mcr = 0x0102 | UPMA;
+
+ memctl->memc_mdr = 0x3FFFC004;
+ memctl->memc_mcr = 0x0103 | UPMA;
+
+ memctl->memc_mdr = 0xFFFFDC05;
+ memctl->memc_mcr = 0x0104 | UPMA;
+
+ /* Initialize UPMB for CAN: single write */
+ memctl->memc_mdr = 0xFFFCC004;
+ memctl->memc_mcr = 0x0118 | UPMA;
+
+ memctl->memc_mdr = 0xCFFCD004;
+ memctl->memc_mcr = 0x0119 | UPMA;
+
+ memctl->memc_mdr = 0x0FFCC000;
+ memctl->memc_mcr = 0x011A | UPMA;
+
+ memctl->memc_mdr = 0x7FFCC004;
+ memctl->memc_mcr = 0x011B | UPMA;
+
+ memctl->memc_mdr = 0xFFFDCC05;
+ memctl->memc_mcr = 0x011C | UPMA;
+#endif /* CONFIG_CAN_DRIVER */
+
+ return (dram_size());
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Find size of RAM from configuration pins.
+ * The input pins that contain the memory size are also the debug port
+ * pins. Normally they are configured as debug port pins. To be able
+ * to read the memory configuration, we must deactivate the debug port
+ * and enable the pcmcia input pins. Then return the register to
+ * previous state.
+ */
+
+static long int dram_size ()
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile sysconf8xx_t *siu = &immap->im_siu_conf;
+ volatile pcmconf8xx_t *pcm = &immap->im_pcmcia;
+ long int i, memory=1;
+ unsigned long siu_mcr;
+
+ siu_mcr = siu->sc_siumcr;
+ siu->sc_siumcr = siu_mcr & 0xFF9FFFFF;
+ for(i=0; i<10; i++) i = i;
+
+ memory = (pcm->pcmc_pipr>>12) & 0x3;
+
+ siu->sc_siumcr = siu_mcr;
+
+ switch( memory )
+ {
+ case 1:
+ return( 32*MBYTE );
+ case 2:
+ return( 64*MBYTE );
+ default:
+ break;
+ }
+ return( 16*MBYTE );
+}
generated by cgit v1.1 at 2024-11-16 21:04:23 +0000