From e69b4b8f1c072326de90692dec16b46bac21c2b5 Mon Sep 17 00:00:00 2001 From: wdenk Date: Tue, 17 Sep 2002 21:26:59 +0000 Subject: Initial revision --- board/eltec/elppc/Makefile | 57 +++++ board/eltec/elppc/config.mk | 26 +++ board/eltec/elppc/flash.c | 513 +++++++++++++++++++++++++++++++++++++++++ board/eltec/elppc/misc.c | 258 +++++++++++++++++++++ board/eltec/elppc/mpc107_i2c.c | 320 +++++++++++++++++++++++++ board/eltec/elppc/pci.c | 97 ++++++++ board/eltec/elppc/srom.h | 102 ++++++++ 7 files changed, 1373 insertions(+) create mode 100644 board/eltec/elppc/Makefile create mode 100644 board/eltec/elppc/config.mk create mode 100644 board/eltec/elppc/flash.c create mode 100644 board/eltec/elppc/misc.c create mode 100644 board/eltec/elppc/mpc107_i2c.c create mode 100644 board/eltec/elppc/pci.c create mode 100644 board/eltec/elppc/srom.h (limited to 'board/eltec/elppc') diff --git a/board/eltec/elppc/Makefile b/board/eltec/elppc/Makefile new file mode 100644 index 0000000000..1ed1a24c46 --- /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) > $@ + +sinclude .depend + +######################################################################### + + + + + + + + + diff --git a/board/eltec/elppc/config.mk b/board/eltec/elppc/config.mk new file mode 100644 index 0000000000..aa463c5dc1 --- /dev/null +++ b/board/eltec/elppc/config.mk @@ -0,0 +1,26 @@ +# +# (C) Copyright 2000 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +TEXT_BASE = 0xFFF00000 + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) diff --git a/board/eltec/elppc/flash.c b/board/eltec/elppc/flash.c new file mode 100644 index 0000000000..5834c99999 --- /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 +#include +#include + +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; iflash_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; isector_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; kstart[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; i0; ++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 0000000000..7bfb3a493d --- /dev/null +++ b/board/eltec/elppc/misc.c @@ -0,0 +1,258 @@ +/* + * (C) Copyright 2002 ELTEC Elektronik AG + * Frank Gottschling + * + * 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 +#include +#include +#include +#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 to copy current revision info to nvram.\n"); + printf (" 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 0000000000..a4bf5992d2 --- /dev/null +++ b/board/eltec/elppc/mpc107_i2c.c @@ -0,0 +1,320 @@ +/* + * (C) Copyright 2002 ELTEC Elektronik AG + * Frank Gottschling + * + * 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 +#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 0000000000..07158e6786 --- /dev/null +++ b/board/eltec/elppc/pci.c @@ -0,0 +1,97 @@ +/* + * (C) Copyright 2002 ELTEC Elektronik AG + * Frank Gottschling + * + * 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 +#include +#include + +#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, ®16); + 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 0000000000..7924bcd40c --- /dev/null +++ b/board/eltec/elppc/srom.h @@ -0,0 +1,102 @@ +/* + * (C) Copyright 2002 ELTEC Elektronik AG + * Frank Gottschling + * + * 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); -- cgit v1.2.1