MPC8272 boards. Eventually this should be used on all boards?]
Patch by Wolfgang Grandegger, 17 Jan 2006
+* Add support for PCS440EP board
+ Patch by Stefan Roese, 02 Jun 2006
+
* Correct GPIO setup (UART1/IRQ's) on yosemite & yellowstone
Patch by Stefan Roese, 29 May 2006
ebony PPC440GP
ocotea PPC440GX
p3p440 PPC440GP
+ pcs440ep PPC440EP
sycamore PPC405GPr
walnut PPC405GP
yellowstone PPC440GR
HH405 HUB405 JSE KAREF \
luan METROBOX MIP405 MIP405T \
ML2 ml300 ocotea OCRTC \
- ORSG p3p440 PCI405 PIP405 \
- PLU405 PMC405 PPChameleonEVB sbc405 \
- VOH405 VOM405 W7OLMC W7OLMG \
- walnut WUH405 XPEDITE1K yellowstone \
- yosemite \
+ ORSG p3p440 PCI405 pcs440ep \
+ PIP405 PLU405 PMC405 PPChameleonEVB \
+ sbc405 VOH405 VOM405 W7OLMC \
+ W7OLMG walnut WUH405 XPEDITE1K \
+ yellowstone yosemite \
"
#########################################################################
PCI405_config: unconfig
@./mkconfig $(@:_config=) ppc ppc4xx pci405 esd
+pcs440ep_config: unconfig
+ @./mkconfig $(@:_config=) ppc ppc4xx pcs440ep
+
PIP405_config: unconfig
@./mkconfig $(@:_config=) ppc ppc4xx pip405 mpl
--- /dev/null
+#
+# (C) Copyright 2006
+# 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 $@ $(OBJS)
+
+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) > $@
+
+sinclude .depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# PCS440EP board
+#
+
+#TEXT_BASE = 0x00001000
+
+ifeq ($(ramsym),1)
+TEXT_BASE = 0xFBD00000
+else
+TEXT_BASE = 0xFFF80000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000
+endif
--- /dev/null
+/*
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+
+#ifndef CFG_FLASH_READ0
+#define CFG_FLASH_READ0 0x0000 /* 0 is standard */
+#define CFG_FLASH_READ1 0x0001 /* 1 is standard */
+#define CFG_FLASH_READ2 0x0002 /* 2 is standard */
+#endif
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/*
+ * Functions
+ */
+static int write_word(flash_info_t *info, ulong dest, ulong data);
+static ulong flash_get_size(vu_long *addr, flash_info_t *info);
+
+unsigned long flash_init(void)
+{
+ unsigned long size_b0, size_b1;
+ int i;
+ 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 */
+
+ base_b0 = FLASH_BASE0_PRELIM;
+ size_b0 = flash_get_size ((vu_long *) base_b0, &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);
+ }
+
+ base_b1 = FLASH_BASE1_PRELIM;
+ size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]);
+
+ return (size_b0 + size_b1);
+}
+
+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;
+ case FLASH_MAN_EXCEL: printf ("Excel Semiconductor "); 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_AM040: printf ("AM29LV040B (4 Mbit, uniform sector size)\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_AM320T: printf ("AM29LV320T (32 M, top sector)\n");
+ break;
+ case FLASH_AM320B: printf ("AM29LV320B (32 M, bottom sector)\n");
+ break;
+ case FLASH_AMDL322T: printf ("AM29DL322T (32 M, top sector)\n");
+ break;
+ case FLASH_AMDL322B: printf ("AM29DL322B (32 M, bottom sector)\n");
+ break;
+ case FLASH_AMDL323T: printf ("AM29DL323T (32 M, top sector)\n");
+ break;
+ case FLASH_AMDL323B: printf ("AM29DL323B (32 M, bottom sector)\n");
+ break;
+ case FLASH_SST020: printf ("SST39LF/VF020 (2 Mbit, uniform sector size)\n");
+ break;
+ case FLASH_SST040: printf ("SST39LF/VF040 (4 Mbit, uniform sector size)\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) {
+#ifdef CFG_FLASH_EMPTY_INFO
+ /*
+ * 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 ");
+ /* print empty and read-only info */
+ printf (" %08lX%s%s",
+ info->start[i],
+ erased ? " E" : " ",
+ info->protect[i] ? "RO " : " ");
+#else
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s",
+ info->start[i],
+ 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;
+ short n;
+ volatile CFG_FLASH_WORD_SIZE value;
+ ulong base = (ulong)addr;
+ volatile CFG_FLASH_WORD_SIZE *addr2 = (volatile CFG_FLASH_WORD_SIZE *)addr;
+
+ /* Write auto select command: read Manufacturer ID */
+ addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+ addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+ addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00900090;
+
+ value = addr2[CFG_FLASH_READ0];
+
+ switch (value) {
+ case (CFG_FLASH_WORD_SIZE)AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ case (CFG_FLASH_WORD_SIZE)FUJ_MANUFACT:
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
+ case (CFG_FLASH_WORD_SIZE)SST_MANUFACT:
+ info->flash_id = FLASH_MAN_SST;
+ break;
+ case (CFG_FLASH_WORD_SIZE)EXCEL_MANUFACT:
+ info->flash_id = FLASH_MAN_EXCEL;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
+ }
+
+ value = addr2[CFG_FLASH_READ1]; /* device ID */
+
+ switch (value) {
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400T:
+ info->flash_id += FLASH_AM400T;
+ info->sector_count = 11;
+ info->size = 0x00080000;
+ break; /* => 0.5 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400B:
+ info->flash_id += FLASH_AM400B;
+ info->sector_count = 11;
+ info->size = 0x00080000;
+ break; /* => 0.5 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_LV040B:
+ info->flash_id += FLASH_AM040;
+ info->sector_count = 8;
+ info->size = 0x0080000; /* => 512 ko */
+ break;
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800T:
+ info->flash_id += FLASH_AM800T;
+ info->sector_count = 19;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800B:
+ info->flash_id += FLASH_AM800B;
+ info->sector_count = 19;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160T:
+ info->flash_id += FLASH_AM160T;
+ info->sector_count = 35;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160B:
+ info->flash_id += FLASH_AM160B;
+ info->sector_count = 35;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T:
+ info->flash_id += FLASH_AM320T;
+ info->sector_count = 71;
+ info->size = 0x00400000; break; /* => 4 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B:
+ info->flash_id += FLASH_AM320B;
+ info->sector_count = 71;
+ info->size = 0x00400000; break; /* => 4 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322T:
+ info->flash_id += FLASH_AMDL322T;
+ info->sector_count = 71;
+ info->size = 0x00400000; break; /* => 4 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322B:
+ info->flash_id += FLASH_AMDL322B;
+ info->sector_count = 71;
+ info->size = 0x00400000; break; /* => 4 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323T:
+ info->flash_id += FLASH_AMDL323T;
+ info->sector_count = 71;
+ info->size = 0x00400000; break; /* => 4 MB */
+
+ case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323B:
+ info->flash_id += FLASH_AMDL323B;
+ info->sector_count = 71;
+ info->size = 0x00400000; break; /* => 4 MB */
+
+ case (CFG_FLASH_WORD_SIZE)SST_ID_xF020:
+ info->flash_id += FLASH_SST020;
+ info->sector_count = 64;
+ info->size = 0x00040000;
+ break; /* => 256 kB */
+
+ case (CFG_FLASH_WORD_SIZE)SST_ID_xF040:
+ info->flash_id += FLASH_SST040;
+ info->sector_count = 128;
+ info->size = 0x00080000;
+ break; /* => 512 kB */
+
+ 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_TYPEMASK) == FLASH_AM640U)) {
+ for (i = 0; i < info->sector_count; i++)
+ info->start[i] = base + (i * 0x00001000);
+ } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) {
+ for (i = 0; i < info->sector_count; i++)
+ info->start[i] = base + (i * 0x00010000);
+ } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) {
+ /* set sector offsets for bottom boot block type */
+ for (i=0; i<8; ++i) { /* 8 x 8k boot sectors */
+ info->start[i] = base;
+ base += 8 << 10;
+ }
+ while (i < info->sector_count) { /* 64k regular sectors */
+ info->start[i] = base;
+ base += 64 << 10;
+ ++i;
+ }
+ } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
+ ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) {
+ /* set sector offsets for top boot block type */
+ base += info->size;
+ i = info->sector_count;
+ for (n=0; n<8; ++n) { /* 8 x 8k boot sectors */
+ base -= 8 << 10;
+ --i;
+ info->start[i] = base;
+ }
+ while (i > 0) { /* 64k regular sectors */
+ base -= 64 << 10;
+ --i;
+ info->start[i] = base;
+ }
+ } 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 */
+ addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]);
+ if ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_AMD)
+ info->protect[i] = 0;
+ else
+ info->protect[i] = addr2[CFG_FLASH_READ2] & 1;
+ }
+
+ /*
+ * Prevent writes to uninitialized FLASH.
+ */
+ if (info->flash_id != FLASH_UNKNOWN) {
+ addr2 = (CFG_FLASH_WORD_SIZE *)info->start[0];
+ *addr2 = (CFG_FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
+ }
+
+ return (info->size);
+}
+
+
+int flash_erase(flash_info_t *info, int s_first, int s_last)
+{
+ volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *)(info->start[0]);
+ volatile CFG_FLASH_WORD_SIZE *addr2;
+ 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) {
+ 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 = (CFG_FLASH_WORD_SIZE *)(info->start[sect]);
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+ addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+ addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+ addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080;
+ addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+ addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+ addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030; /* sector erase */
+
+ /* re-enable interrupts if necessary */
+ if (flag) {
+ enable_interrupts();
+ flag = 0;
+ }
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((addr2[0] & (CFG_FLASH_WORD_SIZE)0x00800080) !=
+ (CFG_FLASH_WORD_SIZE)0x00800080) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT)
+ return (1);
+ }
+ } else {
+ if (sect == s_first) {
+ addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+ addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+ addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080;
+ addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+ addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+ }
+ addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030; /* sector erase */
+ }
+ 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 = (CFG_FLASH_WORD_SIZE *)(info->start[l_sect]);
+ while ((addr[0] & (CFG_FLASH_WORD_SIZE)0x00800080) != (CFG_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;
+ }
+ }
+
+DONE:
+ /* reset to read mode */
+ addr = (CFG_FLASH_WORD_SIZE *)info->start[0];
+ addr[0] = (CFG_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 CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[0]);
+ volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *)dest;
+ volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *)&data;
+ ulong start;
+ int flag;
+ int i;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*((vu_long *)dest) & data) != data)
+ return (2);
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ for (i=0; i<4/sizeof(CFG_FLASH_WORD_SIZE); i++) {
+ addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+ addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+ addr2[CFG_FLASH_ADDR0] = (CFG_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] & (CFG_FLASH_WORD_SIZE)0x00800080) !=
+ (data2[i] & (CFG_FLASH_WORD_SIZE)0x00800080)) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT)
+ return (1);
+ }
+ }
+
+ return (0);
+}
--- /dev/null
+/*
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr@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 <ppc_asm.tmpl>
+#include <config.h>
+
+/* General */
+#define TLB_VALID 0x00000200
+
+/* Supported page sizes */
+
+#define SZ_1K 0x00000000
+#define SZ_4K 0x00000010
+#define SZ_16K 0x00000020
+#define SZ_64K 0x00000030
+#define SZ_256K 0x00000040
+#define SZ_1M 0x00000050
+#define SZ_8M 0x00000060
+#define SZ_16M 0x00000070
+#define SZ_256M 0x00000090
+
+/* Storage attributes */
+#define SA_W 0x00000800 /* Write-through */
+#define SA_I 0x00000400 /* Caching inhibited */
+#define SA_M 0x00000200 /* Memory coherence */
+#define SA_G 0x00000100 /* Guarded */
+#define SA_E 0x00000080 /* Endian */
+
+/* Access control */
+#define AC_X 0x00000024 /* Execute */
+#define AC_W 0x00000012 /* Write */
+#define AC_R 0x00000009 /* Read */
+
+/* Some handy macros */
+
+#define EPN(e) ((e) & 0xfffffc00)
+#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) )
+#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) )
+#define TLB2(a) ( (a)&0x00000fbf )
+
+#define tlbtab_start\
+ mflr r1 ;\
+ bl 0f ;
+
+#define tlbtab_end\
+ .long 0, 0, 0 ; \
+0: mflr r0 ; \
+ mtlr r1 ; \
+ blr ;
+
+#define tlbentry(epn,sz,rpn,erpn,attr)\
+ .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
+
+
+/**************************************************************************
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ * Pointer to the table is returned in r1
+ *
+ *************************************************************************/
+
+ .section .bootpg,"ax"
+ .globl tlbtab
+
+tlbtab:
+ tlbtab_start
+
+ /*
+ * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+ * speed up boot process. It is patched after relocation to enable SA_I
+ */
+ tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
+
+ /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+ tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G )
+
+ tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
+ tlbentry( CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I )
+
+ /* PCI */
+ tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I )
+ tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 0, AC_R|AC_W|SA_G|SA_I )
+ tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 0, AC_R|AC_W|SA_G|SA_I )
+ tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I )
+
+ /* USB 2.0 Device */
+ tlbentry( CFG_USB_DEVICE, SZ_1K, 0x50000000, 0, AC_R|AC_W|SA_G|SA_I )
+
+ tlbtab_end
--- /dev/null
+/*
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+#include <spd_sdram.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+static void set_leds(int val)
+{
+ unsigned char led[16] = {0x0, 0x8, 0x4, 0xc, 0x2, 0xa, 0x6, 0xe,
+ 0x1, 0x9, 0x5, 0xd, 0x3, 0xb, 0x7, 0xf};
+ out32(GPIO0_OR, (in32(GPIO0_OR) & ~0x78000000) | (led[val] << 27));
+}
+
+int board_early_init_f(void)
+{
+ register uint reg;
+
+ set_leds(0); /* display boot info counter */
+
+ /*--------------------------------------------------------------------
+ * Setup the external bus controller/chip selects
+ *-------------------------------------------------------------------*/
+ mtdcr(ebccfga, xbcfg);
+ reg = mfdcr(ebccfgd);
+ mtdcr(ebccfgd, reg | 0x04000000); /* Set ATC */
+
+ /*--------------------------------------------------------------------
+ * GPIO's are alreay setup in cpu/ppc4xx/cpu_init.c
+ * via define from board config file.
+ *-------------------------------------------------------------------*/
+
+ /*--------------------------------------------------------------------
+ * Setup the interrupt controller polarities, triggers, etc.
+ *-------------------------------------------------------------------*/
+ mtdcr(uic0sr, 0xffffffff); /* clear all */
+ mtdcr(uic0er, 0x00000000); /* disable all */
+ mtdcr(uic0cr, 0x00000001); /* UIC1 crit is critical */
+ mtdcr(uic0pr, 0xfffffe1f); /* per ref-board manual */
+ mtdcr(uic0tr, 0x01c00000); /* per ref-board manual */
+ mtdcr(uic0vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr(uic0sr, 0xffffffff); /* clear all */
+
+ mtdcr(uic1sr, 0xffffffff); /* clear all */
+ mtdcr(uic1er, 0x00000000); /* disable all */
+ mtdcr(uic1cr, 0x00000000); /* all non-critical */
+ mtdcr(uic1pr, 0xffffe0ff); /* per ref-board manual */
+ mtdcr(uic1tr, 0x00ffc000); /* per ref-board manual */
+ mtdcr(uic1vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr(uic1sr, 0xffffffff); /* clear all */
+
+ /*--------------------------------------------------------------------
+ * Setup other serial configuration
+ *-------------------------------------------------------------------*/
+ mfsdr(sdr_pci0, reg);
+ mtsdr(sdr_pci0, 0x80000000 | reg); /* PCI arbiter enabled */
+ mtsdr(sdr_pfc0, 0x00000100); /* Pin function: enable GPIO49-63 */
+ mtsdr(sdr_pfc1, 0x00048000); /* Pin function: UART0 has 4 pins, select IRQ5 */
+
+ return 0;
+}
+
+int misc_init_r (void)
+{
+ uint pbcr;
+ int size_val = 0;
+
+ /* Re-do sizing to get full correct info */
+ mtdcr(ebccfga, pb0cr);
+ pbcr = mfdcr(ebccfgd);
+ switch (gd->bd->bi_flashsize) {
+ case 1 << 20:
+ size_val = 0;
+ break;
+ case 2 << 20:
+ size_val = 1;
+ break;
+ case 4 << 20:
+ size_val = 2;
+ break;
+ case 8 << 20:
+ size_val = 3;
+ break;
+ case 16 << 20:
+ size_val = 4;
+ break;
+ case 32 << 20:
+ size_val = 5;
+ break;
+ case 64 << 20:
+ size_val = 6;
+ break;
+ case 128 << 20:
+ size_val = 7;
+ break;
+ }
+ pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
+ mtdcr(ebccfga, pb0cr);
+ mtdcr(ebccfgd, pbcr);
+
+ /* adjust flash start and offset */
+ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+ gd->bd->bi_flashoffset = 0;
+
+ /* Monitor protection ON by default */
+ (void)flash_protect(FLAG_PROTECT_SET,
+ -CFG_MONITOR_LEN,
+ 0xffffffff,
+ &flash_info[1]);
+
+ /* Env protection ON by default */
+ (void)flash_protect(FLAG_PROTECT_SET,
+ CFG_ENV_ADDR_REDUND,
+ CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
+ &flash_info[0]);
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ char *s = getenv("serial#");
+
+ printf("Board: PCS440EP");
+ if (s != NULL) {
+ puts(", serial# ");
+ puts(s);
+ }
+ putc('\n');
+
+ return (0);
+}
+
+long int initdram (int board_type)
+{
+ long dram_size = 0;
+
+ set_leds(1); /* display boot info counter */
+ dram_size = spd_sdram();
+ set_leds(2); /* display boot info counter */
+
+ return dram_size;
+}
+
+#if defined(CFG_DRAM_TEST)
+int testdram(void)
+{
+ unsigned long *mem = (unsigned long *)0;
+ const unsigned long kend = (1024 / sizeof(unsigned long));
+ unsigned long k, n;
+
+ mtmsr(0);
+
+ for (k = 0; k < CFG_KBYTES_SDRAM;
+ ++k, mem += (1024 / sizeof(unsigned long))) {
+ if ((k & 1023) == 0) {
+ printf("%3d MB\r", k / 1024);
+ }
+
+ memset(mem, 0xaaaaaaaa, 1024);
+ for (n = 0; n < kend; ++n) {
+ if (mem[n] != 0xaaaaaaaa) {
+ printf("SDRAM test fails at: %08x\n",
+ (uint) & mem[n]);
+ return 1;
+ }
+ }
+
+ memset(mem, 0x55555555, 1024);
+ for (n = 0; n < kend; ++n) {
+ if (mem[n] != 0x55555555) {
+ printf("SDRAM test fails at: %08x\n",
+ (uint) & mem[n]);
+ return 1;
+ }
+ }
+ }
+ printf("SDRAM test passes\n");
+ return 0;
+}
+#endif
+
+/*************************************************************************
+ * pci_pre_init
+ *
+ * This routine is called just prior to registering the hose and gives
+ * the board the opportunity to check things. Returning a value of zero
+ * indicates that things are bad & PCI initialization should be aborted.
+ *
+ * Different boards may wish to customize the pci controller structure
+ * (add regions, override default access routines, etc) or perform
+ * certain pre-initialization actions.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT)
+int pci_pre_init(struct pci_controller *hose)
+{
+ unsigned long addr;
+
+ /*-------------------------------------------------------------------------+
+ | Set priority for all PLB3 devices to 0.
+ | Set PLB3 arbiter to fair mode.
+ +-------------------------------------------------------------------------*/
+ mfsdr(sdr_amp1, addr);
+ mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
+ addr = mfdcr(plb3_acr);
+ mtdcr(plb3_acr, addr | 0x80000000);
+
+ /*-------------------------------------------------------------------------+
+ | Set priority for all PLB4 devices to 0.
+ +-------------------------------------------------------------------------*/
+ mfsdr(sdr_amp0, addr);
+ mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
+ addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
+ mtdcr(plb4_acr, addr);
+
+ /*-------------------------------------------------------------------------+
+ | Set Nebula PLB4 arbiter to fair mode.
+ +-------------------------------------------------------------------------*/
+ /* Segment0 */
+ addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
+ addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
+ addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
+ addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
+ mtdcr(plb0_acr, addr);
+
+ /* Segment1 */
+ addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
+ addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
+ addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
+ addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
+ mtdcr(plb1_acr, addr);
+
+ return 1;
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */
+
+/*************************************************************************
+ * pci_target_init
+ *
+ * The bootstrap configuration provides default settings for the pci
+ * inbound map (PIM). But the bootstrap config choices are limited and
+ * may not be sufficient for a given board.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
+void pci_target_init(struct pci_controller *hose)
+{
+ /*--------------------------------------------------------------------------+
+ * Set up Direct MMIO registers
+ *--------------------------------------------------------------------------*/
+ /*--------------------------------------------------------------------------+
+ | PowerPC440 EP PCI Master configuration.
+ | Map one 1Gig range of PLB/processor addresses to PCI memory space.
+ | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
+ | Use byte reversed out routines to handle endianess.
+ | Make this region non-prefetchable.
+ +--------------------------------------------------------------------------*/
+ out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
+ out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
+ out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
+ out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
+ out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */
+
+ out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
+ out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
+ out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
+ out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
+ out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */
+
+ out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
+ out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
+ out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
+ out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
+
+ /*--------------------------------------------------------------------------+
+ * Set up Configuration registers
+ *--------------------------------------------------------------------------*/
+
+ /* Program the board's subsystem id/vendor id */
+ pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
+ CFG_PCI_SUBSYS_VENDORID);
+ pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
+
+ /* Configure command register as bus master */
+ pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
+
+ /* 240nS PCI clock */
+ pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
+
+ /* No error reporting */
+ pci_write_config_word(0, PCI_ERREN, 0);
+
+ pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
+
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
+
+/*************************************************************************
+ * pci_master_init
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
+void pci_master_init(struct pci_controller *hose)
+{
+ unsigned short temp_short;
+
+ /*--------------------------------------------------------------------------+
+ | Write the PowerPC440 EP PCI Configuration regs.
+ | Enable PowerPC440 EP to be a master on the PCI bus (PMM).
+ | Enable PowerPC440 EP to act as a PCI memory target (PTM).
+ +--------------------------------------------------------------------------*/
+ pci_read_config_word(0, PCI_COMMAND, &temp_short);
+ pci_write_config_word(0, PCI_COMMAND,
+ temp_short | PCI_COMMAND_MASTER |
+ PCI_COMMAND_MEMORY);
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
+
+/*************************************************************************
+ * is_pci_host
+ *
+ * This routine is called to determine if a pci scan should be
+ * performed. With various hardware environments (especially cPCI and
+ * PPMC) it's insufficient to depend on the state of the arbiter enable
+ * bit in the strap register, or generic host/adapter assumptions.
+ *
+ * Rather than hard-code a bad assumption in the general 440 code, the
+ * 440 pci code requires the board to decide at runtime.
+ *
+ * Return 0 for adapter mode, non-zero for host (monarch) mode.
+ *
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI)
+int is_pci_host(struct pci_controller *hose)
+{
+ /* PCS440EP is always configured as host. */
+ return (1);
+}
+#endif /* defined(CONFIG_PCI) */
+
+/*************************************************************************
+ * hw_watchdog_reset
+ *
+ * This routine is called to reset (keep alive) the watchdog timer
+ *
+ ************************************************************************/
+#if defined(CONFIG_HW_WATCHDOG)
+void hw_watchdog_reset(void)
+{
+
+}
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2006
+ * 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
+
+ .bootpg 0xFFFFF000 :
+ {
+ cpu/ppc4xx/start.o (.bootpg)
+ } = 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/pcs440ep/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)
+ 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)
+ *(.rodata.str1.4)
+ *(.eh_frame)
+ }
+ .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 = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(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 = .);
+}
/*
- * (C) Copyright 2000
+ * (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
# endif
#endif /* CFG_INIT_DCACHE_CS */
+#if defined(CFG_440_GPIO_TABLE)
+gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_440_GPIO_TABLE;
+
+void set_chip_gpio_configuration(gpio_param_s (*gpio_tab)[GPIO_GROUP_MAX][GPIO_MAX])
+{
+ unsigned char i=0, j=0, reg_offset = 0, gpio_core;
+ unsigned long gpio_reg, gpio_core_add;
+
+ for (gpio_core=0; gpio_core<GPIO_GROUP_MAX; gpio_core++) {
+ j = 0;
+ reg_offset = 0;
+ /* GPIO config of the GPIOs 0 to 31 */
+ for (i=0; i<GPIO_MAX; i++, j++) {
+ if (i == GPIO_MAX/2) {
+ reg_offset = 4;
+ j = i-16;
+ }
+
+ gpio_core_add = (*gpio_tab)[gpio_core][i].add;
+
+ if (((*gpio_tab)[gpio_core][i].in_out == GPIO_IN) ||
+ ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) {
+
+ switch ((*gpio_tab)[gpio_core][i].alt_nb) {
+ case GPIO_SEL:
+ break;
+
+ case GPIO_ALT1:
+ gpio_reg = in32(GPIO_IS1(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
+ out32(GPIO_IS1(gpio_core_add+reg_offset), gpio_reg);
+ break;
+
+ case GPIO_ALT2:
+ gpio_reg = in32(GPIO_IS2(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
+ out32(GPIO_IS2(gpio_core_add+reg_offset), gpio_reg);
+ break;
+
+ case GPIO_ALT3:
+ gpio_reg = in32(GPIO_IS3(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
+ out32(GPIO_IS3(gpio_core_add+reg_offset), gpio_reg);
+ break;
+ }
+ }
+
+ if (((*gpio_tab)[gpio_core][i].in_out == GPIO_OUT) ||
+ ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) {
+
+ switch ((*gpio_tab)[gpio_core][i].alt_nb) {
+ case GPIO_SEL:
+ if (gpio_core == GPIO0) {
+ gpio_reg = in32(GPIO0_TCR) | (0x80000000 >> (j));
+ out32(GPIO0_TCR, gpio_reg);
+ }
+
+ if (gpio_core == GPIO1) {
+ gpio_reg = in32(GPIO1_TCR) | (0x80000000 >> (j));
+ out32(GPIO1_TCR, gpio_reg);
+ }
+
+ gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+ gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+ break;
+
+ case GPIO_ALT1:
+ gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2));
+ out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+ gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2));
+ out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+ break;
+
+ case GPIO_ALT2:
+ gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2));
+ out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+ gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2));
+ out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+ break;
+
+ case GPIO_ALT3:
+ gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2));
+ out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+ gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2));
+ out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+ break;
+ }
+ }
+ }
+ }
+}
+#endif /* CFG_440_GPIO_TABLE */
/*
* Breath some life into the CPU...
mtdcr(cpc0_epctl, CPC0_EPRCSR_E0NFE | CPC0_EPRCSR_E1NFE);
#endif /* CONFIG_405EP */
+#if defined(CFG_440_GPIO_TABLE)
+ set_chip_gpio_configuration(&gpio_tab);
+#endif /* CFG_440_GPIO_TABLE */
+
/*
* External Bus Controller (EBC) Setup
*/
#if (defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR))
+#if (defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
+ defined(CONFIG_405EP) || defined(CONFIG_405))
/*
* Move the next instructions into icache, since these modify the flash
* we are running from!
asm volatile(" ori 3, 3, 0xA000" ::: "r3");
asm volatile(" mtctr 3" ::: "ctr");
asm volatile("2: bdnz 2b" ::: "ctr", "cr0");
+#endif
mtebc(pb0ap, CFG_EBC_PB0AP);
mtebc(pb0cr, CFG_EBC_PB0CR);
.globl relocate_code
relocate_code:
#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
- dccci 0,0 /* Invalidate data cache, now no longer our stack */
+ /*
+ * On some 440er platforms the cache is enabled in the first TLB (Boot-CS)
+ * to speed up the boot process. Now this cache needs to be disabled.
+ */
+ iccci 0,0 /* Invalidate inst cache */
+ dccci 0,0 /* Invalidate data cache, now no longer our stack */
sync
+ isync
addi r1,r0,0x0000 /* TLB entry #0 */
tlbre r0,r1,0x0002 /* Read contents */
ori r0,r0,0x0c00 /* Or in the inhibit, write through bit */
tlbwe r0,r1,0x0002 /* Save it out */
+ sync
isync
#endif
mr r1, r3 /* Set new stack pointer */
--- /dev/null
+/*
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr@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
+ */
+
+/************************************************************************
+ * pcs440ep.h - configuration for PCS440EP board
+ ***********************************************************************/
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*-----------------------------------------------------------------------
+ * High Level Configuration Options
+ *----------------------------------------------------------------------*/
+#define CONFIG_PCS440EP 1 /* Board is PCS440EP */
+#define CONFIG_440EP 1 /* Specific PPC440EP support */
+#define CONFIG_4xx 1 /* ... PPC4xx family */
+#define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */
+
+#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
+#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
+
+/*-----------------------------------------------------------------------
+ * Base addresses -- Note these are effective addresses where the
+ * actual resources get mapped (not physical addresses)
+ *----------------------------------------------------------------------*/
+#define CFG_MONITOR_LEN (512 * 1024) /* Reserve 512 kB for Monitor */
+#define CFG_MALLOC_LEN (256 * 1024) /* Reserve 256 kB for malloc() */
+#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN)
+#define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */
+#define CFG_FLASH_BASE 0xfff00000 /* start of FLASH */
+#define CFG_PCI_MEMBASE 0xa0000000 /* mapped pci memory*/
+#define CFG_PCI_MEMBASE1 CFG_PCI_MEMBASE + 0x10000000
+#define CFG_PCI_MEMBASE2 CFG_PCI_MEMBASE1 + 0x10000000
+#define CFG_PCI_MEMBASE3 CFG_PCI_MEMBASE2 + 0x10000000
+
+/*Don't change either of these*/
+#define CFG_PERIPHERAL_BASE 0xef600000 /* internal peripherals*/
+#define CFG_PCI_BASE 0xe0000000 /* internal PCI regs*/
+/*Don't change either of these*/
+
+#define CFG_USB_DEVICE 0x50000000
+#define CFG_BOOT_BASE_ADDR 0xf0000000
+
+/*-----------------------------------------------------------------------
+ * Initial RAM & stack pointer (placed in SDRAM)
+ *----------------------------------------------------------------------*/
+#define CFG_INIT_RAM_ADDR 0x70000000 /* DCache */
+#define CFG_INIT_RAM_END (8 << 10)
+#define CFG_GBL_DATA_SIZE 256 /* num bytes initial data*/
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
+
+/*-----------------------------------------------------------------------
+ * Serial Port
+ *----------------------------------------------------------------------*/
+#undef CFG_EXT_SERIAL_CLOCK /* no external clk used */
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SERIAL_MULTI 1
+/*define this if you want console on UART1*/
+#undef CONFIG_UART1_CONSOLE
+
+#define CFG_BAUDRATE_TABLE \
+ {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
+
+/*-----------------------------------------------------------------------
+ * Environment
+ *----------------------------------------------------------------------*/
+#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
+
+/*-----------------------------------------------------------------------
+ * FLASH related
+ *----------------------------------------------------------------------*/
+#define CFG_MAX_FLASH_BANKS 2 /* 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) */
+
+#define CFG_FLASH_WORD_SIZE unsigned char /* flash word size (width) */
+#define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
+#define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
+
+#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
+
+#ifdef CFG_ENV_IS_IN_FLASH
+#define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
+#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
+
+/* Address and size of Redundant Environment Sector */
+#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
+#endif /* CFG_ENV_IS_IN_FLASH */
+
+/*-----------------------------------------------------------------------
+ * DDR SDRAM
+ *----------------------------------------------------------------------*/
+#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for setup */
+#undef CONFIG_DDR_ECC /* don't use ECC */
+#define SPD_EEPROM_ADDRESS {0x50, 0x51}
+
+/*-----------------------------------------------------------------------
+ * I2C
+ *----------------------------------------------------------------------*/
+#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
+
+#define CFG_I2C_MULTI_EEPROMS
+#define CFG_I2C_EEPROM_ADDR (0xa8>>1)
+#define CFG_I2C_EEPROM_ADDR_LEN 1
+#define CFG_EEPROM_PAGE_WRITE_ENABLE
+#define CFG_EEPROM_PAGE_WRITE_BITS 3
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
+
+#define CONFIG_PREBOOT "echo;" \
+ "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
+ "echo"
+
+#undef CONFIG_BOOTARGS
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "netdev=eth0\0" \
+ "hostname=pcs440ep\0" \
+ "nfsargs=setenv bootargs root=/dev/nfs rw " \
+ "nfsroot=${serverip}:${rootpath}\0" \
+ "ramargs=setenv bootargs root=/dev/ram rw\0" \
+ "addip=setenv bootargs ${bootargs} " \
+ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
+ ":${hostname}:${netdev}:off panic=1\0" \
+ "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
+ "flash_nfs=run nfsargs addip addtty;" \
+ "bootm ${kernel_addr}\0" \
+ "flash_self=run ramargs addip addtty;" \
+ "bootm ${kernel_addr} ${ramdisk_addr}\0" \
+ "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
+ "bootm\0" \
+ "rootpath=/opt/eldk/ppc_4xx\0" \
+ "bootfile=/tftpboot/pcs440ep/uImage\0" \
+ "kernel_addr=fff00000\0" \
+ "ramdisk_addr=fff00000\0" \
+ "load=tftp 100000 /tftpboot/pcs440ep/u-boot.bin\0" \
+ "update=protect off fff80000 ffffffff;era fff80000 ffffffff;" \
+ "cp.b 100000 fff80000 80000;" \
+ "setenv filesize;saveenv\0" \
+ "upd=run load;run update\0" \
+ ""
+#define CONFIG_BOOTCOMMAND "run flash_self"
+
+#if 0
+#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
+#else
+#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
+#endif
+
+#define CONFIG_BAUDRATE 115200
+
+#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_NET_MULTI 1 /* required for netconsole */
+#define CONFIG_HAS_ETH1 1 /* add support for "eth1addr" */
+#define CONFIG_PHY_ADDR 1 /* PHY address, See schematics */
+#define CONFIG_PHY1_ADDR 2
+
+#define CFG_RX_ETH_BUFFER 32 /* Number of ethernet rx buffers & descriptors */
+
+#define CONFIG_NETCONSOLE /* include NetConsole support */
+
+/* Partitions */
+#define CONFIG_MAC_PARTITION
+#define CONFIG_DOS_PARTITION
+#define CONFIG_ISO_PARTITION
+
+#ifdef CONFIG_440EP
+/* USB */
+#define CONFIG_USB_OHCI
+#define CONFIG_USB_STORAGE
+
+/*Comment this out to enable USB 1.1 device*/
+#define USB_2_0_DEVICE
+#endif /*CONFIG_440EP*/
+
+#ifdef DEBUG
+#define CONFIG_PANIC_HANG
+#else
+#define CONFIG_HW_WATCHDOG /* watchdog */
+#endif
+
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
+ CFG_CMD_ASKENV | \
+ CFG_CMD_DHCP | \
+ CFG_CMD_DIAG | \
+ CFG_CMD_ELF | \
+ CFG_CMD_I2C | \
+ CFG_CMD_IRQ | \
+ CFG_CMD_MII | \
+ CFG_CMD_NET | \
+ CFG_CMD_NFS | \
+ CFG_CMD_PCI | \
+ CFG_CMD_PING | \
+ CFG_CMD_REGINFO | \
+ CFG_CMD_SDRAM | \
+ CFG_CMD_EXT2 | \
+ CFG_CMD_FAT | \
+ CFG_CMD_USB )
+
+
+#define CONFIG_SUPPORT_VFAT
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * 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 */
+
+#define CFG_LOAD_ADDR 0x100000 /* default load address */
+#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
+#define CONFIG_LYNXKDI 1 /* support kdi files */
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+/*-----------------------------------------------------------------------
+ * PCI stuff
+ *-----------------------------------------------------------------------
+ */
+/* General PCI */
+#define CONFIG_PCI /* include pci support */
+#undef CONFIG_PCI_PNP /* do (not) pci plug-and-play */
+#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
+#define CFG_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE*/
+
+/* Board-specific PCI */
+#define CFG_PCI_PRE_INIT /* enable board pci_pre_init() */
+#define CFG_PCI_TARGET_INIT
+#define CFG_PCI_MASTER_INIT
+
+#define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
+#define CFG_PCI_SUBSYS_ID 0xcafe /* Whatever */
+
+/*
+ * 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 */
+
+/*-----------------------------------------------------------------------
+ * External Bus Controller (EBC) Setup
+ *----------------------------------------------------------------------*/
+#define FLASH_BASE0_PRELIM 0xFFF00000 /* FLASH bank #0 */
+#define FLASH_BASE1_PRELIM 0xFFF80000 /* FLASH bank #1 */
+
+#define CFG_FLASH FLASH_BASE0_PRELIM
+#define CFG_SRAM 0xF1000000
+#define CFG_FPGA 0xF2000000
+#define CFG_CF1 0xF0000000
+#define CFG_CF2 0xF0100000
+
+/* Memory Bank 0 (Flash Bank 0, NOR-FLASH) initialization */
+#define CFG_EBC_PB0AP 0x02010000 /* TWT=4,OEN=1 */
+#define CFG_EBC_PB0CR (CFG_FLASH | 0x18000) /* BS=1MB,BU=R/W,BW=8bit */
+
+/* Memory Bank 1 (SRAM) initialization */
+#define CFG_EBC_PB1AP 0x01810040 /* TWT=3,OEN=1,BEM=1 */
+#define CFG_EBC_PB1CR (CFG_SRAM | 0x5A000) /* BS=4MB,BU=R/W,BW=16bit */
+
+/* Memory Bank 2 (FPGA) initialization */
+#define CFG_EBC_PB2AP 0x01010440 /* TWT=2,OEN=1,TH=2,BEM=1 */
+#define CFG_EBC_PB2CR (CFG_FPGA | 0x5A000) /* BS=4MB,BU=R/W,BW=16bit */
+
+/* Memory Bank 3 (CompactFlash) initialization */
+#define CFG_EBC_PB3AP 0x080BD400
+#define CFG_EBC_PB3CR (CFG_CF1 | 0x1A000) /* BS=1MB,BU=R/W,BW=16bit */
+
+/* Memory Bank 4 (CompactFlash) initialization */
+#define CFG_EBC_PB4AP 0x080BD400
+#define CFG_EBC_PB4CR (CFG_CF2 | 0x1A000) /* BS=1MB,BU=R/W,BW=16bit */
+
+/*-----------------------------------------------------------------------
+ * PPC440 GPIO Configuration
+ */
+#define CFG_440_GPIO_TABLE { /* GPIO Alternate1 Alternate2 Alternate3 */ \
+{ \
+/* GPIO Core 0 */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO0 EBC_ADDR(7) DMA_REQ(2) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO1 EBC_ADDR(6) DMA_ACK(2) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO2 EBC_ADDR(5) DMA_EOT/TC(2) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO3 EBC_ADDR(4) DMA_REQ(3) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO4 EBC_ADDR(3) DMA_ACK(3) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO5 EBC_ADDR(2) DMA_EOT/TC(3) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO6 EBC_CS_N(1) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO7 EBC_CS_N(2) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO8 EBC_CS_N(3) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO9 EBC_CS_N(4) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO10 EBC_CS_N(5) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO11 EBC_BUS_ERR */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO12 ZII_p0Rxd(0) */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO13 ZII_p0Rxd(1) */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO14 ZII_p0Rxd(2) */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO15 ZII_p0Rxd(3) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO16 ZII_p0Txd(0) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO17 ZII_p0Txd(1) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO18 ZII_p0Txd(2) */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO19 ZII_p0Txd(3) */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO20 ZII_p0Rx_er */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO21 ZII_p0Rx_dv */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO22 ZII_p0RxCrs */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO23 ZII_p0Tx_er */ \
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO24 ZII_p0Tx_en */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO25 ZII_p0Col */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO26 USB2D_RXVALID */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO27 EXT_EBC_REQ USB2D_RXERROR */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO28 USB2D_TXVALID */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO29 EBC_EXT_HDLA USB2D_PAD_SUSPNDM */ \
+{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO30 EBC_EXT_ACK USB2D_XCVRSELECT*/ \
+{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO31 EBC_EXR_BUSREQ USB2D_TERMSELECT*/ \
+}, \
+{ \
+/* GPIO Core 1 */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO32 USB2D_OPMODE0 */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO33 USB2D_OPMODE1 */ \
+{ GPIO1_BASE, GPIO_OUT, GPIO_ALT3 }, /* GPIO34 UART0_DCD_N UART1_DSR_CTS_N UART2_SOUT*/ \
+{ GPIO1_BASE, GPIO_IN, GPIO_ALT3 }, /* GPIO35 UART0_8PIN_DSR_N UART1_RTS_DTR_N UART2_SIN*/ \
+{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO36 UART0_8PIN_CTS_N UART3_SIN*/ \
+{ GPIO1_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO37 UART0_RTS_N */ \
+{ GPIO1_BASE, GPIO_OUT, GPIO_ALT2 }, /* GPIO38 UART0_DTR_N UART1_SOUT */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_ALT2 }, /* GPIO39 UART0_RI_N UART1_SIN */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO40 UIC_IRQ(0) */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO41 UIC_IRQ(1) */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO42 UIC_IRQ(2) */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO43 UIC_IRQ(3) */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO44 UIC_IRQ(4) DMA_ACK(1) */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO45 UIC_IRQ(6) DMA_EOT/TC(1) */ \
+{ GPIO1_BASE, GPIO_BI, GPIO_SEL }, /* GPIO46 UIC_IRQ(7) DMA_REQ(0) */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO47 UIC_IRQ(8) DMA_ACK(0) */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO48 UIC_IRQ(9) DMA_EOT/TC(0) */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO49 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO50 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO51 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO52 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO53 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO54 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO55 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO56 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO57 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO58 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO59 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO60 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO61 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO62 Unselect via TraceSelect Bit */ \
+{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO63 Unselect via TraceSelect Bit */ \
+} \
+}
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_DCACHE_SIZE (32<<10) /* For AMCC 440 CPUs */
+#define CFG_CACHELINE_SIZE 32 /* ... */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
+#endif
+
+/*
+ * 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 */
/******************************************************************************
* GPIO macro register defines
******************************************************************************/
+#define GPIO0 0
+#define GPIO1 1
+
#if defined(CONFIG_440GP)
-#define GPIO_BASE0 (CFG_PERIPHERAL_BASE+0x00000700)
+#define GPIO0_BASE (CFG_PERIPHERAL_BASE+0x00000700)
-#define GPIO0_OR (GPIO_BASE0+0x0)
-#define GPIO0_TCR (GPIO_BASE0+0x4)
-#define GPIO0_ODR (GPIO_BASE0+0x18)
-#define GPIO0_IR (GPIO_BASE0+0x1C)
+#define GPIO0_OR (GPIO0_BASE+0x0)
+#define GPIO0_TCR (GPIO0_BASE+0x4)
+#define GPIO0_ODR (GPIO0_BASE+0x18)
+#define GPIO0_IR (GPIO0_BASE+0x1C)
#endif /* CONFIG_440GP */
#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
-#define GPIO_BASE0 (CFG_PERIPHERAL_BASE+0x00000B00)
-#define GPIO_BASE1 (CFG_PERIPHERAL_BASE+0x00000C00)
-
-#define GPIO0_OR (GPIO_BASE0+0x0)
-#define GPIO0_TCR (GPIO_BASE0+0x4)
-#define GPIO0_OSRL (GPIO_BASE0+0x8)
-#define GPIO0_OSRH (GPIO_BASE0+0xC)
-#define GPIO0_TSRL (GPIO_BASE0+0x10)
-#define GPIO0_TSRH (GPIO_BASE0+0x14)
-#define GPIO0_ODR (GPIO_BASE0+0x18)
-#define GPIO0_IR (GPIO_BASE0+0x1C)
-#define GPIO0_RR1 (GPIO_BASE0+0x20)
-#define GPIO0_RR2 (GPIO_BASE0+0x24)
-#define GPIO0_RR3 (GPIO_BASE0+0x28)
-#define GPIO0_ISR1L (GPIO_BASE0+0x30)
-#define GPIO0_ISR1H (GPIO_BASE0+0x34)
-#define GPIO0_ISR2L (GPIO_BASE0+0x38)
-#define GPIO0_ISR2H (GPIO_BASE0+0x3C)
-#define GPIO0_ISR3L (GPIO_BASE0+0x40)
-#define GPIO0_ISR3H (GPIO_BASE0+0x44)
-
-#define GPIO1_OR (GPIO_BASE1+0x0)
-#define GPIO1_TCR (GPIO_BASE1+0x4)
-#define GPIO1_OSRL (GPIO_BASE1+0x8)
-#define GPIO1_OSRH (GPIO_BASE1+0xC)
-#define GPIO1_TSRL (GPIO_BASE1+0x10)
-#define GPIO1_TSRH (GPIO_BASE1+0x14)
-#define GPIO1_ODR (GPIO_BASE1+0x18)
-#define GPIO1_IR (GPIO_BASE1+0x1C)
-#define GPIO1_RR1 (GPIO_BASE1+0x20)
-#define GPIO1_RR2 (GPIO_BASE1+0x24)
-#define GPIO1_RR3 (GPIO_BASE1+0x28)
-#define GPIO1_ISR1L (GPIO_BASE1+0x30)
-#define GPIO1_ISR1H (GPIO_BASE1+0x34)
-#define GPIO1_ISR2L (GPIO_BASE1+0x38)
-#define GPIO1_ISR2H (GPIO_BASE1+0x3C)
-#define GPIO1_ISR3L (GPIO_BASE1+0x40)
-#define GPIO1_ISR3H (GPIO_BASE1+0x44)
+#define GPIO0_BASE (CFG_PERIPHERAL_BASE+0x00000B00)
+#define GPIO1_BASE (CFG_PERIPHERAL_BASE+0x00000C00)
+
+/* Offsets */
+#define GPIOx_OR 0x00 /* GPIO Output Register */
+#define GPIOx_TCR 0x04 /* GPIO Three-State Control Register */
+#define GPIOx_OSL 0x08 /* GPIO Output Select Register (Bits 0-31) */
+#define GPIOx_OSH 0x0C /* GPIO Ouput Select Register (Bits 32-63) */
+#define GPIOx_TSL 0x10 /* GPIO Three-State Select Register (Bits 0-31) */
+#define GPIOx_TSH 0x14 /* GPIO Three-State Select Register (Bits 32-63) */
+#define GPIOx_ODR 0x18 /* GPIO Open drain Register */
+#define GPIOx_IR 0x1C /* GPIO Input Register */
+#define GPIOx_RR1 0x20 /* GPIO Receive Register 1 */
+#define GPIOx_RR2 0x24 /* GPIO Receive Register 2 */
+#define GPIOx_RR3 0x28 /* GPIO Receive Register 3 */
+#define GPIOx_IS1L 0x30 /* GPIO Input Select Register 1 (Bits 0-31) */
+#define GPIOx_IS1H 0x34 /* GPIO Input Select Register 1 (Bits 32-63) */
+#define GPIOx_IS2L 0x38 /* GPIO Input Select Register 2 (Bits 0-31) */
+#define GPIOx_IS2H 0x3C /* GPIO Input Select Register 2 (Bits 32-63) */
+#define GPIOx_IS3L 0x40 /* GPIO Input Select Register 3 (Bits 0-31) */
+#define GPIOx_IS3H 0x44 /* GPIO Input Select Register 3 (Bits 32-63) */
+
+#define GPIO_OS(x) (x+GPIOx_OSL) /* GPIO Output Register High or Low */
+#define GPIO_TS(x) (x+GPIOx_TSL) /* GPIO Three-state Control Reg High or Low */
+#define GPIO_IS1(x) (x+GPIOx_IS1L) /* GPIO Input register1 High or Low */
+#define GPIO_IS2(x) (x+GPIOx_IS2L) /* GPIO Input register2 High or Low */
+#define GPIO_IS3(x) (x+GPIOx_IS3L) /* GPIO Input register3 High or Low */
+
+#define GPIO0_OR (GPIO0_BASE+0x0)
+#define GPIO0_TCR (GPIO0_BASE+0x4)
+#define GPIO0_OSRL (GPIO0_BASE+0x8)
+#define GPIO0_OSRH (GPIO0_BASE+0xC)
+#define GPIO0_TSRL (GPIO0_BASE+0x10)
+#define GPIO0_TSRH (GPIO0_BASE+0x14)
+#define GPIO0_ODR (GPIO0_BASE+0x18)
+#define GPIO0_IR (GPIO0_BASE+0x1C)
+#define GPIO0_RR1 (GPIO0_BASE+0x20)
+#define GPIO0_RR2 (GPIO0_BASE+0x24)
+#define GPIO0_RR3 (GPIO0_BASE+0x28)
+#define GPIO0_ISR1L (GPIO0_BASE+0x30)
+#define GPIO0_ISR1H (GPIO0_BASE+0x34)
+#define GPIO0_ISR2L (GPIO0_BASE+0x38)
+#define GPIO0_ISR2H (GPIO0_BASE+0x3C)
+#define GPIO0_ISR3L (GPIO0_BASE+0x40)
+#define GPIO0_ISR3H (GPIO0_BASE+0x44)
+
+#define GPIO1_OR (GPIO1_BASE+0x0)
+#define GPIO1_TCR (GPIO1_BASE+0x4)
+#define GPIO1_OSRL (GPIO1_BASE+0x8)
+#define GPIO1_OSRH (GPIO1_BASE+0xC)
+#define GPIO1_TSRL (GPIO1_BASE+0x10)
+#define GPIO1_TSRH (GPIO1_BASE+0x14)
+#define GPIO1_ODR (GPIO1_BASE+0x18)
+#define GPIO1_IR (GPIO1_BASE+0x1C)
+#define GPIO1_RR1 (GPIO1_BASE+0x20)
+#define GPIO1_RR2 (GPIO1_BASE+0x24)
+#define GPIO1_RR3 (GPIO1_BASE+0x28)
+#define GPIO1_ISR1L (GPIO1_BASE+0x30)
+#define GPIO1_ISR1H (GPIO1_BASE+0x34)
+#define GPIO1_ISR2L (GPIO1_BASE+0x38)
+#define GPIO1_ISR2H (GPIO1_BASE+0x3C)
+#define GPIO1_ISR3L (GPIO1_BASE+0x40)
+#define GPIO1_ISR3H (GPIO1_BASE+0x44)
#endif
+#define GPIO_GROUP_MAX 2
+#define GPIO_MAX 32
+#define GPIO_ALT1_SEL 0x40000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 0 */
+#define GPIO_ALT2_SEL 0x80000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 1 */
+#define GPIO_ALT3_SEL 0xC0000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 2 */
+#define GPIO_MASK 0xC0000000 /* GPIO_MASK */
+#define GPIO_IN_SEL 0x40000000 /* GPIO_IN value put in GPIO_ISx for the GPIO nb 0 */
+ /* For the other GPIO number, you must shift */
+
+#ifndef __ASSEMBLY__
+
+typedef enum gpio_select { GPIO_SEL, GPIO_ALT1, GPIO_ALT2, GPIO_ALT3 } gpio_select_t;
+typedef enum gpio_driver { GPIO_DIS, GPIO_IN, GPIO_OUT, GPIO_BI } gpio_driver_t;
+
+typedef struct { unsigned long add; /* gpio core base address */
+ gpio_driver_t in_out; /* Driver Setting */
+ gpio_select_t alt_nb; /* Selected Alternate */
+} gpio_param_s;
+
+
+#endif /* __ASSEMBLY__ */
+
/*
* Macros for accessing the indirect EBC registers
*/
projects / u-boot / commitdiff