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-rw-r--r--board/eltec/elppc/Makefile57
-rw-r--r--board/eltec/elppc/config.mk26
-rw-r--r--board/eltec/elppc/flash.c513
-rw-r--r--board/eltec/elppc/misc.c258
-rw-r--r--board/eltec/elppc/mpc107_i2c.c320
-rw-r--r--board/eltec/elppc/pci.c97
-rw-r--r--board/eltec/elppc/srom.h102
7 files changed, 1373 insertions, 0 deletions
diff --git a/board/eltec/elppc/Makefile b/board/eltec/elppc/Makefile
new file mode 100644
index 0000000..1ed1a24
--- /dev/null
+++ b/board/eltec/elppc/Makefile
@@ -0,0 +1,57 @@
+#
+# (C) Copyright 2000
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS = $(BOARD).o flash.o pci.o misc.o mpc107_i2c.o eepro100_srom.o
+
+SOBJS = asm_init.o
+
+$(LIB): .depend $(OBJS) $(SOBJS)
+ $(AR) crv $@ $^
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
+
+
+
+
+
+
+
+
+
diff --git a/board/eltec/elppc/config.mk b/board/eltec/elppc/config.mk
new file mode 100644
index 0000000..aa463c5
--- /dev/null
+++ b/board/eltec/elppc/config.mk
@@ -0,0 +1,26 @@
+#
+# (C) Copyright 2000
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+TEXT_BASE = 0xFFF00000
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
diff --git a/board/eltec/elppc/flash.c b/board/eltec/elppc/flash.c
new file mode 100644
index 0000000..5834c99
--- /dev/null
+++ b/board/eltec/elppc/flash.c
@@ -0,0 +1,513 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * 07-10-2002 Frank Gottschling: added 29F032 flash (ELPPC).
+ * fixed monitor protection part
+ *
+ * 09-18-2001 Andreas Heppel: Reduced the code in here to the usage
+ * of AMD's 29F040 and 29F016 flashes, since the BAB7xx does use
+ * any other.
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <asm/pci_io.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+
+/*flash command address offsets*/
+
+#define ADDR0 (0x555)
+#define ADDR1 (0x2AA)
+#define ADDR3 (0x001)
+
+#define FLASH_WORD_SIZE unsigned char
+
+/*----------------------------------------------------------------------------*/
+
+unsigned long flash_init (void)
+{
+ unsigned long size1, size2;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i=0; i<CFG_MAX_FLASH_BANKS; ++i)
+ {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ /* initialise 1st flash */
+ size1 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
+
+ if (flash_info[0].flash_id == FLASH_UNKNOWN)
+ {
+ printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size1, size1<<20);
+ }
+
+ /* initialise 2nd flash */
+ size2 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]);
+
+ if (flash_info[1].flash_id == FLASH_UNKNOWN)
+ {
+ printf ("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
+ size2, size2<<20);
+ }
+
+ /* monitor protection ON by default */
+ if (size1 == 512*1024)
+ {
+ (void)flash_protect(FLAG_PROTECT_SET,
+ FLASH_BASE0_PRELIM,
+ FLASH_BASE0_PRELIM+CFG_MONITOR_LEN-1,
+ &flash_info[0]);
+ }
+ if (size2 == 512*1024)
+ {
+ (void)flash_protect(FLAG_PROTECT_SET,
+ FLASH_BASE1_PRELIM,
+ FLASH_BASE1_PRELIM+CFG_MONITOR_LEN-1,
+ &flash_info[1]);
+ }
+ if (size2 == 4*1024*1024)
+ {
+ (void)flash_protect(FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE+CFG_MONITOR_LEN-1,
+ &flash_info[1]);
+ }
+
+ return (size1 + size2);
+}
+
+/*----------------------------------------------------------------------------*/
+
+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");
+ flash_init();
+ }
+
+ 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;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case AMD_ID_F040B:
+ printf ("AM29F040B (4 Mbit)\n");
+ break;
+ case AMD_ID_F016D:
+ printf ("AM29F016D (16 Mbit)\n");
+ break;
+ case AMD_ID_F032B:
+ printf ("AM29F032B (32 Mbit)\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ if (info->size >= (1 << 20)) {
+ printf (" Size: %ld MB in %d Sectors\n", info->size >> 20, info->sector_count);
+ } else {
+ printf (" Size: %ld kB in %d Sectors\n", info->size >> 10, info->sector_count);
+ }
+
+ printf (" Sector Start Addresses:");
+ for (i=0; i<info->sector_count; ++i) {
+ /*
+ * Check if whole sector is erased
+ */
+ if (i != (info->sector_count-1))
+ size = info->start[i+1] - info->start[i];
+ else
+ size = info->start[0] + info->size - info->start[i];
+
+ erased = 1;
+ flash = (volatile unsigned long *)info->start[i];
+ size = size >> 2; /* divide by 4 for longword access */
+ for (k=0; k<size; k++) {
+ if (*flash++ != 0xffffffff) {
+ erased = 0;
+ break;
+ }
+ }
+
+ if ((i % 5) == 0)
+ printf ("\n ");
+
+ printf (" %08lX%s%s",
+ info->start[i],
+ erased ? " E" : " ",
+ info->protect[i] ? "RO " : " ");
+ }
+ printf ("\n");
+}
+
+/*----------------------------------------------------------------------------*/
+/*
+ * The following code cannot be run from FLASH!
+ */
+ulong flash_get_size (vu_long *addr, flash_info_t *info)
+{
+ short i;
+ ulong vendor, devid;
+ ulong base = (ulong)addr;
+ volatile unsigned char *caddr = (unsigned char *)addr;
+
+#ifdef DEBUG
+ printf("flash_get_size for address 0x%lx: \n", (unsigned long)caddr);
+#endif
+
+ /* Write auto select command: read Manufacturer ID */
+ caddr[0] = 0xF0; /* reset bank */
+ udelay(10);
+
+ eieio();
+ caddr[0x555] = 0xAA;
+ udelay(10);
+ caddr[0x2AA] = 0x55;
+ udelay(10);
+ caddr[0x555] = 0x90;
+
+ udelay(10);
+
+ vendor = caddr[0];
+ devid = caddr[1];
+
+#ifdef DEBUG
+ printf("Manufacturer: 0x%lx\n", vendor);
+#endif
+
+ vendor &= 0xff;
+ devid &= 0xff;
+
+ /* We accept only two AMD types */
+ switch (vendor) {
+ case (FLASH_WORD_SIZE)AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
+ }
+
+ switch (devid) {
+ case (FLASH_WORD_SIZE)AMD_ID_F040B:
+ info->flash_id |= AMD_ID_F040B;
+ info->sector_count = 8;
+ info->size = 0x00080000;
+ break; /* => 0.5 MB */
+
+ case (FLASH_WORD_SIZE)AMD_ID_F016D:
+ info->flash_id |= AMD_ID_F016D;
+ info->sector_count = 32;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case (FLASH_WORD_SIZE)AMD_ID_F032B:
+ info->flash_id |= AMD_ID_F032B;
+ info->sector_count = 64;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+
+ }
+
+#ifdef DEBUG
+ printf("flash id 0x%lx; sector count 0x%x, size 0x%lx\n", info->flash_id, info->sector_count, info->size);
+#endif
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++) {
+ /* sector base address */
+ info->start[i] = base + i * (info->size / info->sector_count);
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ caddr = (volatile unsigned char *)(info->start[i]);
+ info->protect[i] = caddr[2] & 1;
+ }
+
+ /*
+ * Prevent writes to uninitialized FLASH.
+ */
+ if (info->flash_id != FLASH_UNKNOWN) {
+ caddr = (volatile unsigned char *)info->start[0];
+ caddr[0] = 0xF0; /* reset bank */
+ }
+
+ return (info->size);
+}
+
+/*----------------------------------------------------------------------------*/
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
+ int flag, prot, sect, l_sect;
+ ulong start, now, last;
+ int rc = 0;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return 1;
+ }
+
+ if ((info->flash_id == FLASH_UNKNOWN) ||
+ (info->flash_id > FLASH_AMD_COMP)) {
+ 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();
+
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (FLASH_WORD_SIZE *)(info->start[sect]);
+ if (info->flash_id & FLASH_MAN_SST) {
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+ addr[0] = (FLASH_WORD_SIZE)0x00500050; /* block erase */
+ udelay(30000); /* wait 30 ms */
+ }
+ else
+ addr[0] = (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 = (FLASH_WORD_SIZE *)(info->start[l_sect]);
+ while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
+ if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ return 1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ serial_putc ('.');
+ last = now;
+ }
+ }
+
+DONE:
+ /* reset to read mode */
+ addr = (FLASH_WORD_SIZE *)info->start[0];
+ addr[0] = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
+
+ printf (" done\n");
+ return rc;
+}
+
+/*----------------------------------------------------------------------------*/
+/*
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ ulong cp, wp, data;
+ int i, l, rc;
+
+ wp = (addr & ~3); /* get lower word aligned address */
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i=0, cp=wp; i<l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+ for (; i<4 && cnt>0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt==0 && i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 4) {
+ data = 0;
+ for (i=0; i<4; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ cnt -= 4;
+ }
+
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ return (write_word(info, wp, data));
+}
+
+/*----------------------------------------------------------------------------*/
+/* Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word (flash_info_t *info, ulong dest, ulong data)
+{
+ volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)(info->start[0]);
+ volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *)dest;
+ volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data;
+ ulong start;
+ int flag;
+ int i;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*((volatile FLASH_WORD_SIZE *)dest) &
+ (FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
+ return (2);
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++)
+ {
+ addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+ addr2[ADDR0] = (FLASH_WORD_SIZE)0x00A000A0;
+
+ dest2[i] = data2[i];
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((dest2[i] & (FLASH_WORD_SIZE)0x00800080) !=
+ (data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ }
+
+ return (0);
+}
+
+/*----------------------------------------------------------------------------*/
+
diff --git a/board/eltec/elppc/misc.c b/board/eltec/elppc/misc.c
new file mode 100644
index 0000000..7bfb3a4
--- /dev/null
+++ b/board/eltec/elppc/misc.c
@@ -0,0 +1,258 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.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
+ */
+
+/* includes */
+#include <common.h>
+#include <linux/ctype.h>
+#include <pci.h>
+#include <net.h>
+#include "srom.h"
+
+/* imports */
+extern char console_buffer[CFG_CBSIZE];
+extern int l2_cache_enable (int l2control);
+extern int eepro100_write_eeprom (struct eth_device* dev, int location,
+ int addr_len, unsigned short data);
+extern int read_eeprom (struct eth_device* dev, int location, int addr_len);
+
+/*----------------------------------------------------------------------------*/
+/*
+ * read/write to nvram is only byte access
+ */
+void *nvram_read(void *dest, const long src, size_t count)
+{
+ uchar *d = (uchar *) dest;
+ uchar *s = (uchar *) (CFG_ENV_MAP_ADRS + src);
+
+ while (count--)
+ *d++ = *s++;
+
+ return dest;
+}
+
+void nvram_write(long dest, const void *src, size_t count)
+{
+ uchar *d = (uchar *) (CFG_ENV_MAP_ADRS + dest);
+ uchar *s = (uchar *) src;
+
+ while (count--)
+ *d++ = *s++;
+}
+
+/*----------------------------------------------------------------------------*/
+/*
+ * handle sroms on ELPPC
+ * fix ether address
+ * set serial console as default
+ */
+int misc_init_r (void)
+{
+ revinfo eerev;
+ u_char *ptr;
+ u_int i, l, initSrom, copyNv;
+ char buf[256];
+ char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0,
+ 0, 0, 0, 0, 10, 11, 12, 13, 14, 15 };
+
+ /* Clock setting for MPC107 i2c */
+ mpc107_i2c_init (MPC107_EUMB_ADDR, 0x2b);
+
+ /* Reset the EPIC */
+ out32r (MPC107_EUMB_GCR, 0xa0000000);
+ while (in32r (MPC107_EUMB_GCR) & 0x80000000); /* Wait for reset to complete */
+ out32r (MPC107_EUMB_GCR, 0x20000000); /* Put into into mixed mode */
+ while (in32r (MPC107_EUMB_IACKR) != 0xff); /* Clear all pending interrupts */
+
+ /*
+ * Check/Remake revision info
+ */
+ initSrom = 0;
+ copyNv = 0;
+
+ /* read out current revision srom contens */
+ mpc107_srom_load (0x0000, (u_char*)&eerev, sizeof(revinfo),
+ SECOND_DEVICE, FIRST_BLOCK);
+
+ /* read out current nvram shadow image */
+ nvram_read (buf, CFG_NV_SROM_COPY_ADDR, CFG_SROM_SIZE);
+
+ if (strcmp (eerev.magic, "ELTEC") != 0)
+ {
+ /* srom is not initialized -> create a default revision info */
+ for (i = 0, ptr = (u_char *)&eerev; i < sizeof(revinfo); i++)
+ *ptr++ = 0x00;
+ strcpy(eerev.magic, "ELTEC");
+ eerev.revrev[0] = 1;
+ eerev.revrev[1] = 0;
+ eerev.size = 0x00E0;
+ eerev.category[0] = 0x01;
+
+ /* node id from dead e128 as default */
+ eerev.etheraddr[0] = 0x00;
+ eerev.etheraddr[1] = 0x00;
+ eerev.etheraddr[2] = 0x5B;
+ eerev.etheraddr[3] = 0x00;
+ eerev.etheraddr[4] = 0x2E;
+ eerev.etheraddr[5] = 0x4D;
+
+ /* cache config word for ELPPC */
+ *(int*)&eerev.res[0] = 0;
+
+ initSrom = 1; /* force dialog */
+ copyNv = 1; /* copy to nvram */
+ }
+
+ if ((copyNv == 0) && (el_srom_checksum((u_char*)&eerev, CFG_SROM_SIZE) !=
+ el_srom_checksum((u_char*)buf, CFG_SROM_SIZE)))
+ {
+ printf ("Invalid revision info copy in nvram !\n");
+ printf ("Press key:\n <c> to copy current revision info to nvram.\n");
+ printf (" <r> to reenter revision info.\n");
+ printf ("=> ");
+ if (0 != readline (NULL))
+ {
+ switch ((char)toupper(console_buffer[0]))
+ {
+ case 'C':
+ copyNv = 1;
+ break;
+ case 'R':
+ copyNv = 1;
+ initSrom = 1;
+ break;
+ }
+ }
+ }
+
+ if (initSrom)
+ {
+ memcpy (buf, &eerev.revision[0][0], 14); /* save all revision info */
+ printf ("Enter revision number (0-9): %c ", eerev.revision[0][0]);
+ if (0 != readline (NULL))
+ {
+ eerev.revision[0][0] = (char)toupper(console_buffer[0]);
+ memcpy (&eerev.revision[1][0], buf, 12); /* shift rest of rev info */
+ }
+
+ printf ("Enter revision character (A-Z): %c ", eerev.revision[0][1]);
+ if (1 == readline (NULL))
+ {
+ eerev.revision[0][1] = (char)toupper(console_buffer[0]);
+ }
+
+ printf ("Enter board name (V-XXXX-XXXX): %s ", (char *)&eerev.board);
+ if (11 == readline (NULL))
+ {
+ for (i=0; i<11; i++)
+ eerev.board[i] = (char)toupper(console_buffer[i]);
+ eerev.board[11] = '\0';
+ }
+
+ printf ("Enter serial number: %s ", (char *)&eerev.serial );
+ if (6 == readline (NULL))
+ {
+ for (i=0; i<6; i++)
+ eerev.serial[i] = console_buffer[i];
+ eerev.serial[6] = '\0';
+ }
+
+ printf ("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ",
+ eerev.etheraddr[0], eerev.etheraddr[1],
+ eerev.etheraddr[2], eerev.etheraddr[3],
+ eerev.etheraddr[4], eerev.etheraddr[5]);
+ if (12 == readline (NULL))
+ {
+ for (i=0; i<12; i+=2)
+ eerev.etheraddr[i>>1] = (char)(16*hex[toupper(console_buffer[i])-'0'] +
+ hex[toupper(console_buffer[i+1])-'0']);
+ }
+
+ l = strlen ((char *)&eerev.text);
+ printf("Add to text section (max 64 chr): %s ", (char *)&eerev.text );
+ if (0 != readline (NULL))
+ {
+ for (i = l; i<63; i++)
+ eerev.text[i] = console_buffer[i-l];
+ eerev.text[63] = '\0';
+ }
+
+ /* prepare network eeprom */
+ memset (buf, 0, 128);
+
+ buf[0] = eerev.etheraddr[1];
+ buf[1] = eerev.etheraddr[0];
+ buf[2] = eerev.etheraddr[3];
+ buf[3] = eerev.etheraddr[2];
+ buf[4] = eerev.etheraddr[5];
+ buf[5] = eerev.etheraddr[4];
+
+ *(unsigned short *)&buf[20] = 0x48B2;
+ *(unsigned short *)&buf[22] = 0x0004;
+ *(unsigned short *)&buf[24] = 0x1433;
+
+ printf("\nSRom: Writing i82559 info ........ ");
+ if (eepro100_srom_store ((unsigned short *)buf) == -1)
+ printf("FAILED\n");
+ else
+ printf("OK\n");
+
+ /* update CRC */
+ eerev.crc = el_srom_checksum((u_char *)eerev.board, eerev.size);
+
+ /* write new values */
+ printf("\nSRom: Writing revision info ...... ");
+ if (mpc107_srom_store((BLOCK_SIZE-sizeof(revinfo)), (u_char *)&eerev,
+ sizeof(revinfo), SECOND_DEVICE, FIRST_BLOCK) == -1)
+ printf("FAILED\n\n");
+ else
+ printf("OK\n\n");
+
+ /* write new values as shadow image to nvram */
+ nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE);
+
+ } /*if (initSrom) */
+
+ /* copy current values as shadow image to nvram */
+ if (initSrom == 0 && copyNv == 1)
+ nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE);
+
+ /* update environment */
+ sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x",
+ eerev.etheraddr[0], eerev.etheraddr[1],
+ eerev.etheraddr[2], eerev.etheraddr[3],
+ eerev.etheraddr[4], eerev.etheraddr[5]);
+ setenv ("ethaddr", buf);
+
+ /* set serial console as default */
+ if ((ptr = getenv ("console")) == NULL)
+ setenv ("console", "serial");
+
+ /* print actual board identification */
+ printf("Ident: %s Ser %s Rev %c%c\n",
+ eerev.board, (char *)&eerev.serial,
+ eerev.revision[0][0], eerev.revision[0][1]);
+
+ return (0);
+}
+
+/*----------------------------------------------------------------------------*/
diff --git a/board/eltec/elppc/mpc107_i2c.c b/board/eltec/elppc/mpc107_i2c.c
new file mode 100644
index 0000000..a4bf599
--- /dev/null
+++ b/board/eltec/elppc/mpc107_i2c.c
@@ -0,0 +1,320 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.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
+ */
+
+/* includes */
+#include <common.h>
+#include "srom.h"
+
+/* locals */
+static unsigned long mpc107_eumb_addr = 0;
+
+/*----------------------------------------------------------------------------*/
+
+/*
+ * calculate checksum for ELTEC revision srom
+ */
+unsigned long el_srom_checksum (ptr, size)
+register unsigned char *ptr;
+unsigned long size;
+{
+ u_long f, accu = 0;
+ u_int i;
+ u_char byte;
+
+ for (; size; size--)
+ {
+ byte = *ptr++;
+ for (i = 8; i; i--)
+ {
+ f = ((byte & 1) ^ (accu & 1)) ? 0x84083001 : 0;
+ accu >>= 1; accu ^= f;
+ byte >>= 1;
+ }
+ }
+ return(accu);
+}
+
+/*----------------------------------------------------------------------------*/
+
+static int mpc107_i2c_wait ( unsigned long timeout )
+{
+ unsigned long x;
+
+ while (((x = in32r(MPC107_I2CSR)) & 0x82) != 0x82)
+ {
+ if (!timeout--)
+ return -1;
+ }
+
+ if (x & 0x10)
+ {
+ return -1;
+ }
+ out32r(MPC107_I2CSR, 0);
+
+ return 0;
+}
+
+/*----------------------------------------------------------------------------*/
+
+static int mpc107_i2c_wait_idle ( unsigned long timeout )
+{
+ while (in32r(MPC107_I2CSR) & 0x20)
+ {
+ if (!timeout--)
+ return -1;
+ }
+ return 0;
+}
+
+
+/*----------------------------------------------------------------------------*/
+
+int mpc107_i2c_read_byte (
+ unsigned char device,
+ unsigned char block,
+ unsigned char offset )
+{
+ unsigned long timeout = MPC107_I2C_TIMEOUT;
+ int data;
+
+ if (!mpc107_eumb_addr)
+ return -6;
+
+ mpc107_i2c_wait_idle (timeout);
+
+ /* Start with MEN */
+ out32r(MPC107_I2CCR, 0x80);
+
+ /* Start as master */
+ out32r(MPC107_I2CCR, 0xB0);
+ out32r(MPC107_I2CDR, (0xA0 | device | block));
+
+ if (mpc107_i2c_wait(timeout) < 0)
+ {
+ printf("mpc107_i2c_read Error 1\n");
+ return -2;
+ }
+
+ if (in32r(MPC107_I2CSR)&0x1)
+ {
+ /* Generate STOP condition; device busy or not existing */
+ out32r(MPC107_I2CCR, 0x80);
+ return -1;
+ }
+
+ /* Data address */
+ out32r(MPC107_I2CDR, offset);
+
+ if (mpc107_i2c_wait(timeout) < 0)
+ {
+ printf("mpc107_i2c_read Error 2\n");
+ return -3;
+ }
+
+ /* Switch to read - restart */
+ out32r(MPC107_I2CCR, 0xB4);
+ out32r(MPC107_I2CDR, (0xA1 | device | block));
+
+ if (mpc107_i2c_wait(timeout) < 0)
+ {
+ printf("mpc107_i2c_read Error 3\n");
+ return -4;
+ }
+
+ out32r(MPC107_I2CCR, 0xA8); /* no ACK */
+ in32r(MPC107_I2CDR);
+
+ if (mpc107_i2c_wait(timeout) < 0)
+ {
+ printf("mpc107_i2c_read Error 4\n");
+ return -5;
+ }
+ /* Generate STOP condition */
+ out32r(MPC107_I2CCR, 0x88);
+
+ /* read */
+ data = in32r(MPC107_I2CDR);
+
+ return (data);
+}
+
+/*----------------------------------------------------------------------------*/
+
+int mpc107_i2c_write_byte (
+ unsigned char device,
+ unsigned char block,
+ unsigned char offset,
+ unsigned char val )
+{
+
+ unsigned long timeout = MPC107_I2C_TIMEOUT;
+
+ if (!mpc107_eumb_addr)
+ return -6;
+
+ mpc107_i2c_wait_idle(timeout);
+
+ /* Start with MEN */
+ out32r(MPC107_I2CCR, 0x80);
+
+ /* Start as master */
+ out32r(MPC107_I2CCR, 0xB0);
+ out32r(MPC107_I2CDR, (0xA0 | device | block));
+
+ if (mpc107_i2c_wait(timeout) < 0)
+ {
+ printf("mpc107_i2c_write Error 1\n");
+ return -1;
+ }
+
+ /* Data address */
+ out32r(MPC107_I2CDR, offset);
+
+ if (mpc107_i2c_wait(timeout) < 0)
+ {
+ printf("mpc107_i2c_write Error 2\n");
+ return -1;
+ }
+
+ /* Write */
+ out32r(MPC107_I2CDR, val);
+ if (mpc107_i2c_wait(timeout) < 0)
+ {
+ printf("mpc107_i2c_write Error 3\n");
+ return -1;
+ }
+
+ /* Generate Stop Condition */
+ out32r(MPC107_I2CCR, 0x80);
+
+ /* Return ACK or no ACK */
+ return (in32r(MPC107_I2CSR) & 0x01);
+}
+
+/*----------------------------------------------------------------------------*/
+
+int mpc107_srom_load (
+ unsigned char addr,
+ unsigned char *pBuf,
+ int cnt,
+ unsigned char device,
+ unsigned char block )
+{
+ register int i;
+ int val;
+ int timeout;
+
+ for (i = 0; i < cnt; i++)
+ {
+ timeout=100;
+ do
+ {
+ val = mpc107_i2c_read_byte (device, block, addr);
+ if (val < -1)
+ {
+ printf("i2c_read_error %d at dev %x block %x addr %x\n",
+ val, device, block, addr);
+ return -1;
+ }
+ else if (timeout==0)
+ {
+ printf ("i2c_read_error: timeout at dev %x block %x addr %x\n",
+ device, block, addr);
+ return -1;
+ }
+ timeout--;
+ } while (val == -1); /* if no ack: try again! */
+
+ *pBuf++ = (unsigned char)val;
+ addr++;
+
+ if ((addr == 0) && (i != cnt-1)) /* is it the same block ? */
+ {
+ if (block == FIRST_BLOCK)
+ block = SECOND_BLOCK;
+ else
+ {
+ printf ("ic2_read_error: read beyond 2. block !\n");
+ return -1;
+ }
+ }
+ }
+ udelay(100000);
+ return (cnt);
+}
+
+/*----------------------------------------------------------------------------*/
+
+int mpc107_srom_store (
+ unsigned char addr,
+ unsigned char *pBuf,
+ int cnt,
+ unsigned char device,
+ unsigned char block )
+{
+ register int i;
+
+ for (i = 0; i < cnt; i++)
+ {
+ while (mpc107_i2c_write_byte (device,block,addr,*pBuf) == 1);
+ addr++;
+ pBuf++;
+
+ if ((addr == 0) && (i != cnt-1)) /* is it the same block ? */
+ {
+ if (block == FIRST_BLOCK)
+ block = SECOND_BLOCK;
+ else
+ {
+ printf ("ic2_write_error: write beyond 2. block !\n");
+ return -1;
+ }
+ }
+ }
+ udelay(100000);
+ return(cnt);
+}
+
+/*----------------------------------------------------------------------------*/
+
+int mpc107_i2c_init ( unsigned long eumb_addr, unsigned long divider )
+{
+ unsigned long x;
+
+ if (eumb_addr)
+ mpc107_eumb_addr = eumb_addr;
+ else
+ return -1;
+
+ /* Set I2C clock */
+ x = in32r(MPC107_I2CFDR) & 0xffffff00;
+ out32r(MPC107_I2CFDR, (x | divider));
+
+ /* Clear arbitration */
+ out32r(MPC107_I2CSR, 0);
+
+ return mpc107_eumb_addr;
+}
+
+/*----------------------------------------------------------------------------*/
diff --git a/board/eltec/elppc/pci.c b/board/eltec/elppc/pci.c
new file mode 100644
index 0000000..07158e6
--- /dev/null
+++ b/board/eltec/elppc/pci.c
@@ -0,0 +1,97 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.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
+ */
+
+/*
+ * PCI initialisation for the MPC10x.
+ */
+
+#include <common.h>
+#include <pci.h>
+#include <mpc106.h>
+
+#ifdef CONFIG_PCI
+
+struct pci_controller local_hose;
+
+void pci_init(void)
+{
+ struct pci_controller* hose = (struct pci_controller *)&local_hose;
+ u16 reg16;
+
+ hose->first_busno = 0;
+ hose->last_busno = 0xff;
+
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* PCI memory space */
+ pci_set_region(hose->regions + 1,
+ CFG_PCI_MEM_BUS,
+ CFG_PCI_MEM_PHYS,
+ CFG_PCI_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* ISA/PCI memory space */
+ pci_set_region(hose->regions + 2,
+ CFG_ISA_MEM_BUS,
+ CFG_ISA_MEM_PHYS,
+ CFG_ISA_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* PCI I/O space */
+ pci_set_region(hose->regions + 3,
+ CFG_PCI_IO_BUS,
+ CFG_PCI_IO_PHYS,
+ CFG_PCI_IO_SIZE,
+ PCI_REGION_IO);
+
+ /* ISA/PCI I/O space */
+ pci_set_region(hose->regions + 4,
+ CFG_ISA_IO_BUS,
+ CFG_ISA_IO_PHYS,
+ CFG_ISA_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 5;
+
+ pci_setup_indirect(hose,
+ MPC106_REG_ADDR,
+ MPC106_REG_DATA);
+
+ pci_register_hose(hose);
+
+ hose->last_busno = pci_hose_scan(hose);
+
+ /* Initialises the MPC10x PCI Configuration regs. */
+ pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
+ reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
+
+ /* Clear non-reserved bits in status register */
+ pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
+}
+
+#endif /* CONFIG_PCI */
diff --git a/board/eltec/elppc/srom.h b/board/eltec/elppc/srom.h
new file mode 100644
index 0000000..7924bcd
--- /dev/null
+++ b/board/eltec/elppc/srom.h
@@ -0,0 +1,102 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.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
+ */
+
+/* common srom defs */
+#define FIRST_DEVICE 0x00
+#define SECOND_DEVICE 0x04
+#define FIRST_BLOCK 0x00
+#define SECOND_BLOCK 0x02
+#define BLOCK_SIZE 0x100
+#define ERROR (-1)
+
+#define CLK2P0TO1_1MB_PB_0P5DH 0x79000100
+#define CLK2P5TO1_1MB_PB_0P5DH 0x7B000100
+
+#define CPU_TYPE_740 0x08
+#define CPU_TYPE_750 0x08
+#define CPU_TYPE ((get_pvr()>>16)&0xffff)
+
+#define ABS(x) ((x<0)?-x:x)
+#define SROM_SHORT(pX) (*(u8 *)(pX) | *((u8 *)(pX)+1) << 8)
+
+/* bab7xx ELTEC srom */
+#define I2C_BUS_DAT (CFG_ISA_IO + 0x220)
+#define I2C_BUS_DIR (CFG_ISA_IO + 0x221)
+
+/* srom at mpc107 */
+#define MPC107_I2CADDR (mpc107_eumb_addr + 0x3000) /* address */
+#define MPC107_I2CFDR (mpc107_eumb_addr + 0x3004) /* freq divider */
+#define MPC107_I2CCR (mpc107_eumb_addr + 0x3008) /* control */
+#define MPC107_I2CSR (mpc107_eumb_addr + 0x300c) /* status */
+#define MPC107_I2CDR (mpc107_eumb_addr + 0x3010) /* data */
+#define MPC107_I2C_TIMEOUT 10000000
+
+/* i82559 */
+#define EE_ADDR_BITS 6
+#define EE_SIZE 0x40 /* 0x40 words */
+#define EE_CHECKSUM 0xBABA
+
+/* dc21143 */
+#define DEC_SROM_SIZE 128
+
+
+/*
+ * structure of revision srom
+ */
+typedef struct {
+ char magic[8]; /* 000 - Magic number */
+ char revrev[2]; /* 008 - Revision of structure */
+ unsigned short size; /* 00A - Size of CRC area */
+ unsigned long crc; /* 00C - CRC */
+ char board[16]; /* 010 - Board Revision information */
+ char option[4][16]; /* 020 - Option Revision information */
+ char serial[8]; /* 060 - Board serial number */
+ char etheraddr[6]; /* 068 - Ethernet node addresse */
+ char reserved[2]; /* 06E - Reserved */
+ char revision[7][2]; /* 070 - Revision codes */
+ char category[2]; /* 07E - Category codes */
+ char text[64]; /* 080 - Text field */
+ char res[64]; /* 0C0 - Reserved */
+} revinfo;
+
+unsigned long el_srom_checksum (unsigned char *ptr, unsigned long size);
+int el_srom_load (unsigned char addr, unsigned char *buf, int cnt,
+ unsigned char device, unsigned char block);
+int el_srom_store (unsigned char addr, unsigned char *buf, int cnt,
+ unsigned char device, unsigned char block);
+
+int mpc107_i2c_init (unsigned long eumb_addr, unsigned long divider);
+int mpc107_i2c_read_byte (unsigned char device, unsigned char block, unsigned char offset);
+int mpc107_i2c_write_byte (unsigned char device, unsigned char block,
+ unsigned char offset, unsigned char val);
+int mpc107_srom_load (unsigned char addr, unsigned char *pBuf, int cnt,
+ unsigned char device, unsigned char block);
+int mpc107_srom_store (unsigned char addr, unsigned char *pBuf, int cnt,
+ unsigned char device, unsigned char block);
+
+int dc_srom_load (unsigned short *dest);
+int dc_srom_store (unsigned short *src);
+
+unsigned short eepro100_srom_checksum (unsigned short *sromdata);
+void eepro100_srom_load (unsigned short *destination);
+int eepro100_srom_store (unsigned short *source);
generated by cgit v1.1 at 2024-12-16 13:24:46 +0000