diff options
Diffstat (limited to 'board/mcc200')
| -rw-r--r-- | board/mcc200/Makefile | 46 | ||||
| -rw-r--r-- | board/mcc200/config.mk | 31 | ||||
| -rw-r--r-- | board/mcc200/flash.c | 738 | ||||
| -rw-r--r-- | board/mcc200/flash.h | 437 | ||||
| -rw-r--r-- | board/mcc200/mcc200.c | 328 | ||||
| -rw-r--r-- | board/mcc200/mt46v16m16-75.h | 37 | ||||
| -rw-r--r-- | board/mcc200/mt48lc16m16a2-75.h | 43 | ||||
| -rw-r--r-- | board/mcc200/mt48lc8m32b2-6-7.h | 30 | ||||
| -rw-r--r-- | board/mcc200/u-boot.lds | 125 |
9 files changed, 1815 insertions, 0 deletions
diff --git a/board/mcc200/Makefile b/board/mcc200/Makefile new file mode 100644 index 0000000..162734b --- /dev/null +++ b/board/mcc200/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2003-2006 +# 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 := $(BOARD).o flash.o + +$(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 $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/mcc200/config.mk b/board/mcc200/config.mk new file mode 100644 index 0000000..0a278b1 --- /dev/null +++ b/board/mcc200/config.mk @@ -0,0 +1,31 @@ +# +# (C) Copyright 2003-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# MCC200 board +# + +TEXT_BASE = 0xfff00000 +# TEXT_BASE = 0x00100000 + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board diff --git a/board/mcc200/flash.c b/board/mcc200/flash.c new file mode 100644 index 0000000..8e1757a --- /dev/null +++ b/board/mcc200/flash.c @@ -0,0 +1,738 @@ +/* + * (C) Copyright 2001 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2001-2006 + * 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 <common.h> +#include <linux/byteorder/swab.h> +#include <flash.h> + +//###CHD: gehört wieder raus ist vom PXA271 file! +#define FLASH_28F256L18T 0x00B0 /* Intel 28F256L18T ( 32M = 128K x 255 + 32k x 4) */ +#define FLASH_28F256L18B 0x00B1 /* Intel 28F256L18B ( 32M = 32k x 4 + 128K x 255) */ +#define FLASH_28F256P30B 0x001C /* Intel 28F256P30B ( 32M = 32k x 4 + 128K x 255) */ +#define FLASH_28F256P30T 0x0019 /* Intel 28F256P30T ( 128K x 255 + 32M = 32k x 4 + */ + +#define INTEL_ID_28F016S 0x66a066a0 /* 28F016S[VS] ID (16M = 512k x 16) */ +#define INTEL_ID_28F800B3T 0x88928892 /* 8M = 512K x 16 top boot sector */ +#define INTEL_ID_28F800B3B 0x88938893 /* 8M = 512K x 16 bottom boot sector */ +#define INTEL_ID_28F160B3T 0x88908890 /* 16M = 1M x 16 top boot sector */ +#define INTEL_ID_28F160B3B 0x88918891 /* 16M = 1M x 16 bottom boot sector */ +#define INTEL_ID_28F320B3T 0x88968896 /* 32M = 2M x 16 top boot sector */ +#define INTEL_ID_28F320B3B 0x88978897 /* 32M = 2M x 16 bottom boot sector */ +#define INTEL_ID_28F640B3T 0x88988898 /* 64M = 4M x 16 top boot sector */ +#define INTEL_ID_28F640B3B 0x88998899 /* 64M = 4M x 16 bottom boot sector */ +#define INTEL_ID_28F160F3B 0x88F488F4 /* 16M = 1M x 16 bottom boot sector */ + +#define INTEL_ID_28F800C3T 0x88C088C0 /* 8M = 512K x 16 top boot sector */ +#define INTEL_ID_28F800C3B 0x88C188C1 /* 8M = 512K x 16 bottom boot sector */ +#define INTEL_ID_28F160C3T 0x88C288C2 /* 16M = 1M x 16 top boot sector */ +#define INTEL_ID_28F160C3B 0x88C388C3 /* 16M = 1M x 16 bottom boot sector */ +#define INTEL_ID_28F320C3T 0x88C488C4 /* 32M = 2M x 16 top boot sector */ +#define INTEL_ID_28F320C3B 0x88C588C5 /* 32M = 2M x 16 bottom boot sector */ +#define INTEL_ID_28F640C3T 0x88CC88CC /* 64M = 4M x 16 top boot sector */ +#define INTEL_ID_28F640C3B 0x88CD88CD /* 64M = 4M x 16 bottom boot sector */ + +#define INTEL_ID_28F128J3 0x89188918 /* 16M = 8M x 16 x 128 */ +#define INTEL_ID_28F320J5 0x00140014 /* 32M = 128K x 32 */ +#define INTEL_ID_28F640J5 0x00150015 /* 64M = 128K x 64 */ +#define INTEL_ID_28F320J3A 0x00160016 /* 32M = 128K x 32 */ +#define INTEL_ID_28F640J3A 0x00170017 /* 64M = 128K x 64 */ +#define INTEL_ID_28F256L18 0x88108810 /* 32M = 128K x 255 */ +#define INTEL_ID_28F128J3A 0x00180018 /* 128M = 128K x 128 */ +#define INTEL_ID_28F256L18T 0x880D880D /* 256M = 128K x 255 + 32k x 4 */ +#define INTEL_ID_28F256L18B 0x88108810 /* 256M = 32k x 4 + 128K x 255 */ +#define INTEL_ID_28F256P30B 0x891C891C /* 256M = 32k x 4 + 128K x 255 */ +#define INTEL_ID_28F256P30T 0x89198919 /* 256M = 128K x 255 + 32k x 4 */ +#define INTEL_ID_28F64K3 0x88018801 /* 64M = 32K x 255 + 32k x 4 */ +#define INTEL_ID_28F128K3 0x88028802 /* 128M = 64K x 255 + 32k x 4 */ +#define INTEL_ID_28F256K3 0x88038803 /* 256M = 128K x 255 + 32k x 4 */ + +#define INTEL_ID_28F160S3 0x00D000D0 /* 16M = 512K x 32 (64kB x 32) */ +#define INTEL_ID_28F320S3 0x00D400D4 /* 32M = 512K x 64 (64kB x 64) */ + + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/* Board support for 1 or 2 flash devices */ +#define FLASH_PORT_WIDTH32 +#undef FLASH_PORT_WIDTH16 + +#ifdef FLASH_PORT_WIDTH16 +#define FLASH_PORT_WIDTH ushort +#define FLASH_PORT_WIDTHV vu_short +#define SWAP(x) (x) +#else +#define FLASH_PORT_WIDTH ulong +#define FLASH_PORT_WIDTHV vu_long +#define SWAP(x) (x) +#endif + +/* Intel-compatible flash ID */ +#define INTEL_COMPAT 0x00890089 +#define INTEL_ALT 0x00B000B0 + + + +/* Intel-compatible flash commands */ +#define INTEL_PROGRAM 0x00100010 +#define INTEL_ERASE 0x00200020 +#define INTEL_CLEAR 0x00500050 +#define INTEL_LOCKBIT 0x00600060 +#define INTEL_PROTECT 0x00010001 +#define INTEL_STATUS 0x00700070 +#define INTEL_READID 0x00900090 +#define INTEL_CONFIRM 0x00D000D0 +#define INTEL_RESET 0xFFFFFFFF + +/* Intel-compatible flash status bits */ +#define INTEL_FINISHED 0x00800080 +#define INTEL_OK 0x00800080 + +#define FPW FLASH_PORT_WIDTH +#define FPWV FLASH_PORT_WIDTHV + +#define mb() __asm__ __volatile__ ("" : : : "memory") + +///###CHD: auch wieder raus! + switch anweisung für den P30iger! +/* Flash Organization Structure */ +typedef struct OrgDef { + unsigned int sector_number; + unsigned int sector_size; +} OrgDef; + +/* Flash Organizations */ +OrgDef OrgIntel_28F256L18B[] = { + {4, 0x8000}, /* 4 * 32kBytes sectors */ + {255, 0x20000}, /* 255 * 128kBytes sectors */ +}; + +OrgDef OrgIntel_28F256L18T[] = { + {255, 0x20000}, /* 255 * 128kBytes sectors */ + {4, 0x8000} /* 4 * 32kBytes sectors */ +}; + +OrgDef OrgIntel_28F128J3A[] = { + {128, 0x20000}, /* 128 * 128kBytes sectors */ +}; +static unsigned int OrgSectTypeNum_28F256L18 = 2; +static unsigned int OrgSectTypeNum_28F256J3 = 1; + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (FPW *addr, flash_info_t *info); +static int write_data (flash_info_t *info, ulong dest, FPW data); +static void flash_get_offsets (ulong base, flash_info_t *info); +void inline spin_wheel (void); +static void flash_sync_real_protect (flash_info_t * info); +static unsigned char intel_sector_protected (flash_info_t *info, ushort sector); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + int i; + ulong size = 0; + extern void flash_preinit(void); + extern void flash_afterinit(ulong, ulong); + ulong flashbase = CFG_FLASH_BASE; + + flash_preinit(); + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { + switch (i) { + case 0: + memset(&flash_info[i], 0, sizeof(flash_info_t)); + flash_get_size ((FPW *) flashbase, &flash_info[i]); + flash_get_offsets (flash_info[i].start[0], &flash_info[i]); + break; + default: + panic ("configured to many flash banks!\n"); + break; + } + size += flash_info[i].size; + + /* get the h/w and s/w protection status in sync */ + flash_sync_real_protect(&flash_info[i]); + } + + /* Protect monitor and environment sectors + */ +#if CFG_MONITOR_BASE >= CFG_FLASH_BASE +#ifndef CONFIG_BOOT_ROM + flash_protect ( FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + monitor_flash_len - 1, + &flash_info[0] ); +#endif +#endif + +#ifdef CFG_ENV_IS_IN_FLASH + flash_protect ( FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0] ); +#endif + + flash_afterinit(flash_info[0].start[0], flash_info[0].size); + + return size; +} + +/*----------------------------------------------------------------------- + */ +static void flash_get_offsets (ulong base, flash_info_t *info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + return; + } + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); + } + } +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t *info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_INTEL: + printf ("INTEL "); + break; + default: + printf ("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_28F128J3A: + printf ("28F128J3A\n"); + break; + + case FLASH_28F640J3A: + printf ("28F640J3A\n"); + break; + + case FLASH_28F320J3A: + printf ("28F320J3A\n"); + break; + + case FLASH_28F256P30T: + printf ("FLASH_28F256P30T\n"); + break; + + default: + printf ("Unknown Chip Type\n"); + break; + } + + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); + + printf (" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; ++i) { + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " "); + } + printf ("\n"); + return; +} + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size (FPW *addr, flash_info_t *info) +{ + volatile FPW value; + + /* Write auto select command: read Manufacturer ID */ + addr[0x5555] = (FPW) 0x00AA00AA; + addr[0x2AAA] = (FPW) 0x00550055; + addr[0x5555] = (FPW) 0x00900090; + + mb (); + udelay(100); + + value = addr[0]; + + switch (value) { + + case (FPW) INTEL_MANUFACT: + info->flash_id = FLASH_MAN_INTEL; + break; + + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ + return (0); /* no or unknown flash */ + } + + mb (); + value = addr[1]; /* device ID */ + + switch (value) { + + case (FPW) INTEL_ID_28F128J3A: + info->flash_id += FLASH_28F128J3A; + info->sector_count = 128; + info->size = 0x02000000; + info->start[0] = CFG_FLASH_BASE; + break; /* => 32 MB */ + + case (FPW) INTEL_ID_28F640J3A: + info->flash_id += FLASH_28F640J3A; + info->sector_count = 64; + info->size = 0x01000000; + info->start[0] = CFG_FLASH_BASE + 0x01000000; + break; /* => 16 MB */ + + case (FPW) (INTEL_ID_28F256P30T): + info->flash_id += FLASH_28F256L18B; + info->sector_count = 128;//falsch!!! + info->size = 0x02000000; + info->start[0] = CFG_FLASH_BASE; + debug ("Intel StrataFlash 28F256P30T device initialized\n"); + break; /* => 32 MB */ + + case (FPW) INTEL_ID_28F320J3A: + info->flash_id += FLASH_28F320J3A; + info->sector_count = 32; + info->size = 0x800000; + info->start[0] = CFG_FLASH_BASE + 0x01800000; + break; /* => 8 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + break; + } + + if (info->sector_count > CFG_MAX_FLASH_SECT) { + printf ("** ERROR: sector count %d > max (%d) **\n", + info->sector_count, CFG_MAX_FLASH_SECT); + info->sector_count = CFG_MAX_FLASH_SECT; + } + + addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ + + return (info->size); +} + + +/* + * This function gets the u-boot flash sector protection status + * (flash_info_t.protect[]) in sync with the sector protection + * status stored in hardware. + */ +static void flash_sync_real_protect (flash_info_t * info) +{ + int i; + + switch (info->flash_id & FLASH_TYPEMASK) { + + case FLASH_28F128J3A: + case FLASH_28F640J3A: + case FLASH_28F320J3A: + for (i = 0; i < info->sector_count; ++i) { + info->protect[i] = intel_sector_protected(info, i); + } + break; + default: + /* no h/w protect support */ + break; + } +} + + +/* + * checks if "sector" in bank "info" is protected. Should work on intel + * strata flash chips 28FxxxJ3x in 8-bit mode. + * Returns 1 if sector is protected (or timed-out while trying to read + * protection status), 0 if it is not. + */ +static unsigned char intel_sector_protected (flash_info_t *info, ushort sector) +{ + FPWV *addr; + FPWV *lock_conf_addr; + ulong start; + unsigned char ret; + + /* + * first, wait for the WSM to be finished. The rationale for + * waiting for the WSM to become idle for at most + * CFG_FLASH_ERASE_TOUT is as follows. The WSM can be busy + * because of: (1) erase, (2) program or (3) lock bit + * configuration. So we just wait for the longest timeout of + * the (1)-(3), i.e. the erase timeout. + */ + + /* wait at least 35ns (W12) before issuing Read Status Register */ + udelay(1); + addr = (FPWV *) info->start[sector]; + *addr = (FPW) INTEL_STATUS; + + start = get_timer (0); + while ((*addr & (FPW) INTEL_FINISHED) != (FPW) INTEL_FINISHED) { + if (get_timer (start) > CFG_FLASH_ERASE_TOUT) { + *addr = (FPW) INTEL_RESET; /* restore read mode */ + printf("WSM busy too long, can't get prot status\n"); + return 1; + } + } + + /* issue the Read Identifier Codes command */ + *addr = (FPW) INTEL_READID; + + /* wait at least 35ns (W12) before reading */ + udelay(1); + + /* Intel example code uses offset of 2 for 16 bit flash */ + lock_conf_addr = (FPWV *) info->start[sector] + 2; + ret = (*lock_conf_addr & (FPW) INTEL_PROTECT) ? 1 : 0; + + /* put flash back in read mode */ + *addr = (FPW) INTEL_RESET; + + return ret; +} + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + int flag, prot, sect; + ulong type, start, last; + int rcode = 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; + } + + type = (info->flash_id & FLASH_VENDMASK); + if ((type != FLASH_MAN_INTEL)) { + printf ("Can't erase unknown flash type %08lx - aborted\n", + info->flash_id); + return 1; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf ("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf ("\n"); + } + + start = get_timer (0); + last = start; + + /* 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 */ + FPWV *addr = (FPWV *) (info->start[sect]); + FPW status; + + printf ("Erasing sector %2d ... ", sect); + + /* arm simple, non interrupt dependent timer */ + start = get_timer(0); + + *addr = (FPW) 0x00500050; /* clear status register */ + *addr = (FPW) 0x00200020; /* erase setup */ + *addr = (FPW) 0x00D000D0; /* erase confirm */ + + while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { + if (get_timer(start) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + *addr = (FPW) 0x00B000B0; /* suspend erase */ + *addr = (FPW) 0x00FF00FF; /* reset to read mode */ + rcode = 1; + break; + } + } + + *addr = 0x00500050; /* clear status register cmd. */ + *addr = 0x00FF00FF; /* resest to read mode */ + + printf (" done\n"); + } + } + return rcode; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + * 4 - Flash not identified + */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + ulong cp, wp; + FPW data; + int count, i, l, rc, port_width; + + if (info->flash_id == FLASH_UNKNOWN) { + return 4; + } +/* get lower word aligned address */ +#ifdef FLASH_PORT_WIDTH16 + wp = (addr & ~1); + port_width = 2; +#else + wp = (addr & ~3); + port_width = 4; +#endif + + /* + * 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 < port_width && cnt > 0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt == 0 && i < port_width; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + if ((rc = write_data (info, wp, SWAP (data))) != 0) { + return (rc); + } + wp += port_width; + } + + /* + * handle word aligned part + */ + count = 0; + while (cnt >= port_width) { + data = 0; + for (i = 0; i < port_width; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_data (info, wp, SWAP (data))) != 0) { + return (rc); + } + wp += port_width; + cnt -= port_width; + if (count++ > 0x800) { + spin_wheel (); + count = 0; + } + } + + if (cnt == 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i < port_width; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + return (write_data (info, wp, SWAP (data))); +} + +/*----------------------------------------------------------------------- + * Write a word or halfword to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_data (flash_info_t *info, ulong dest, FPW data) +{ + FPWV *addr = (FPWV *) dest; + ulong status; + ulong start; + int flag; + + /* Check if Flash is (sufficiently) erased */ + if ((*addr & data) != data) { + printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr); + return (2); + } + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + *addr = (FPW) 0x00400040; /* write setup */ + *addr = data; + + /* arm simple, non interrupt dependent timer */ + start = get_timer(0); + + /* wait while polling the status register */ + while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + *addr = (FPW) 0x00FF00FF; /* restore read mode */ + return (1); + } + } + + *addr = (FPW) 0x00FF00FF; /* restore read mode */ + + return (0); +} + +void inline spin_wheel (void) +{ + static int p = 0; + static char w[] = "\\/-"; + + printf ("\010%c", w[p]); + (++p == 3) ? (p = 0) : 0; +} + +/*----------------------------------------------------------------------- + * Set/Clear sector's lock bit, returns: + * 0 - OK + * 1 - Error (timeout, voltage problems, etc.) + */ +int flash_real_protect (flash_info_t *info, long sector, int prot) +{ + ulong start; + int i; + int rc = 0; + vu_long *addr = (vu_long *)(info->start[sector]); + int flag = disable_interrupts(); + + *addr = INTEL_CLEAR; /* Clear status register */ + if (prot) { /* Set sector lock bit */ + *addr = INTEL_LOCKBIT; /* Sector lock bit */ + *addr = INTEL_PROTECT; /* set */ + } + else { /* Clear sector lock bit */ + *addr = INTEL_LOCKBIT; /* All sectors lock bits */ + *addr = INTEL_CONFIRM; /* clear */ + } + + start = get_timer(0); + + while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) { + if (get_timer(start) > CFG_FLASH_UNLOCK_TOUT) { + printf("Flash lock bit operation timed out\n"); + rc = 1; + break; + } + } + + if (*addr != INTEL_OK) { + printf("Flash lock bit operation failed at %08X, CSR=%08X\n", + (uint)addr, (uint)*addr); + rc = 1; + } + + if (!rc) + info->protect[sector] = prot; + + /* + * Clear lock bit command clears all sectors lock bits, so + * we have to restore lock bits of protected sectors. + * WARNING: code below re-locks sectors only for one bank (info). + * This causes problems on boards where several banks share + * the same chip, as sectors in othere banks will be unlocked + * but not re-locked. It works fine on pm520 though, as there + * is only one chip and one bank. + */ + if (!prot) + { + for (i = 0; i < info->sector_count; i++) + { + if (info->protect[i]) + { + start = get_timer(0); + addr = (vu_long *)(info->start[i]); + *addr = INTEL_LOCKBIT; /* Sector lock bit */ + *addr = INTEL_PROTECT; /* set */ + while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) + { + if (get_timer(start) > CFG_FLASH_UNLOCK_TOUT) + { + printf("Flash lock bit operation timed out\n"); + rc = 1; + break; + } + } + } + } + /* + * get the s/w sector protection status in sync with the h/w, + * in case something went wrong during the re-locking. + */ + flash_sync_real_protect(info); /* resets flash to read mode */ + } + + if (flag) + enable_interrupts(); + + *addr = INTEL_RESET; /* Reset to read array mode */ + + return rc; +} diff --git a/board/mcc200/flash.h b/board/mcc200/flash.h new file mode 100644 index 0000000..9dc5d04 --- /dev/null +++ b/board/mcc200/flash.h @@ -0,0 +1,437 @@ +/* + * (C) Copyright 2000-2004 + * 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, +8 * MA 02111-1307 USA + */ + +#ifndef _FLASH_H_ +#define _FLASH_H_ + +#ifndef CFG_NO_FLASH +/*----------------------------------------------------------------------- + * FLASH Info: contains chip specific data, per FLASH bank + */ + +typedef struct { + ulong size; /* total bank size in bytes */ + ushort sector_count; /* number of erase units */ + ulong flash_id; /* combined device & manufacturer code */ + ulong start[CFG_MAX_FLASH_SECT]; /* physical sector start addresses */ + uchar protect[CFG_MAX_FLASH_SECT]; /* sector protection status */ +#ifdef CFG_FLASH_CFI + uchar portwidth; /* the width of the port */ + uchar chipwidth; /* the width of the chip */ + ushort buffer_size; /* # of bytes in write buffer */ + ulong erase_blk_tout; /* maximum block erase timeout */ + ulong write_tout; /* maximum write timeout */ + ulong buffer_write_tout; /* maximum buffer write timeout */ + ushort vendor; /* the primary vendor id */ + ushort cmd_reset; /* Vendor specific reset command */ + ushort interface; /* used for x8/x16 adjustments */ +#endif +} flash_info_t; + +/* + * Values for the width of the port + */ +#define FLASH_CFI_8BIT 0x01 +#define FLASH_CFI_16BIT 0x02 +#define FLASH_CFI_32BIT 0x04 +#define FLASH_CFI_64BIT 0x08 +/* + * Values for the width of the chip + */ +#define FLASH_CFI_BY8 0x01 +#define FLASH_CFI_BY16 0x02 +#define FLASH_CFI_BY32 0x04 +#define FLASH_CFI_BY64 0x08 +/* convert between bit value and numeric value */ +#define CFI_FLASH_SHIFT_WIDTH 3 +/* + * Values for the flash device interface + */ +#define FLASH_CFI_X8 0x00 +#define FLASH_CFI_X16 0x01 +#define FLASH_CFI_X8X16 0x02 + +/* convert between bit value and numeric value */ +#define CFI_FLASH_SHIFT_WIDTH 3 +/* Prototypes */ + +extern unsigned long flash_init (void); +extern void flash_print_info (flash_info_t *); +extern int flash_erase (flash_info_t *, int, int); +extern int flash_sect_erase (ulong addr_first, ulong addr_last); +extern int flash_sect_protect (int flag, ulong addr_first, ulong addr_last); + +/* common/flash.c */ +extern void flash_protect (int flag, ulong from, ulong to, flash_info_t *info); +extern int flash_write (uchar *, ulong, ulong); +extern flash_info_t *addr2info (ulong); +extern int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt); + +/* board/?/flash.c */ +#if defined(CFG_FLASH_PROTECTION) +extern int flash_real_protect(flash_info_t *info, long sector, int prot); +extern void flash_read_user_serial(flash_info_t * info, void * buffer, int offset, int len); +extern void flash_read_factory_serial(flash_info_t * info, void * buffer, int offset, int len); +#endif /* CFG_FLASH_PROTECTION */ + +/*----------------------------------------------------------------------- + * return codes from flash_write(): + */ +#define ERR_OK 0 +#define ERR_TIMOUT 1 +#define ERR_NOT_ERASED 2 +#define ERR_PROTECTED 4 +#define ERR_INVAL 8 +#define ERR_ALIGN 16 +#define ERR_UNKNOWN_FLASH_VENDOR 32 +#define ERR_UNKNOWN_FLASH_TYPE 64 +#define ERR_PROG_ERROR 128 + +/*----------------------------------------------------------------------- + * Protection Flags for flash_protect(): + */ +#define FLAG_PROTECT_SET 0x01 +#define FLAG_PROTECT_CLEAR 0x02 + +/*----------------------------------------------------------------------- + * Device IDs + */ + +#define AMD_MANUFACT 0x00010001 /* AMD manuf. ID in D23..D16, D7..D0 */ +#define FUJ_MANUFACT 0x00040004 /* FUJITSU manuf. ID in D23..D16, D7..D0 */ +#define ATM_MANUFACT 0x001F001F /* ATMEL */ +#define STM_MANUFACT 0x00200020 /* STM (Thomson) manuf. ID in D23.. -"- */ +#define SST_MANUFACT 0x00BF00BF /* SST manuf. ID in D23..D16, D7..D0 */ +#define MT_MANUFACT 0x00890089 /* MT manuf. ID in D23..D16, D7..D0 */ +#define INTEL_MANUFACT 0x00890089 /* INTEL manuf. ID in D23..D16, D7..D0 */ +#define INTEL_ALT_MANU 0x00B000B0 /* alternate INTEL namufacturer ID */ +#define MX_MANUFACT 0x00C200C2 /* MXIC manuf. ID in D23..D16, D7..D0 */ +#define TOSH_MANUFACT 0x00980098 /* TOSHIBA manuf. ID in D23..D16, D7..D0 */ +#define MT2_MANUFACT 0x002C002C /* alternate MICRON manufacturer ID*/ +#define EXCEL_MANUFACT 0x004A004A /* Excel Semiconductor */ + + /* Micron Technologies (INTEL compat.) */ +#define MT_ID_28F400_T 0x44704470 /* 28F400B3 ID ( 4 M, top boot sector) */ +#define MT_ID_28F400_B 0x44714471 /* 28F400B3 ID ( 4 M, bottom boot sect) */ + +#define AMD_ID_LV040B 0x4F /* 29LV040B ID */ + /* 4 Mbit, 512K x 8, */ + /* 8 64K x 8 uniform sectors */ + +#define AMD_ID_F040B 0xA4 /* 29F040B ID */ + /* 4 Mbit, 512K x 8, */ + /* 8 64K x 8 uniform sectors */ +#define STM_ID_M29W040B 0xE3 /* M29W040B ID */ + /* 4 Mbit, 512K x 8, */ + /* 8 64K x 8 uniform sectors */ +#define AMD_ID_F080B 0xD5 /* 29F080 ID ( 1 M) */ + /* 8 Mbit, 512K x 16, */ + /* 8 64K x 16 uniform sectors */ +#define AMD_ID_F016D 0xAD /* 29F016 ID ( 2 M x 8) */ +#define AMD_ID_F032B 0x41 /* 29F032 ID ( 4 M x 8) */ +#define AMD_ID_LV116DT 0xC7 /* 29LV116DT ( 2 M x 8, top boot sect) */ +#define AMD_ID_LV116DB 0x4C /* 29LV116DB ( 2 M x 8, bottom boot sect) */ +#define AMD_ID_LV016B 0xc8 /* 29LV016 ID ( 2 M x 8) */ + +#define AMD_ID_PL160CB 0x22452245 /* 29PL160CB ID (16 M, bottom boot sect */ + +#define AMD_ID_LV400T 0x22B922B9 /* 29LV400T ID ( 4 M, top boot sector) */ +#define AMD_ID_LV400B 0x22BA22BA /* 29LV400B ID ( 4 M, bottom boot sect) */ + +#define AMD_ID_LV033C 0xA3 /* 29LV033C ID ( 4 M x 8) */ +#define AMD_ID_LV065D 0x93 /* 29LV065D ID ( 8 M x 8) */ + +#define AMD_ID_LV800T 0x22DA22DA /* 29LV800T ID ( 8 M, top boot sector) */ +#define AMD_ID_LV800B 0x225B225B /* 29LV800B ID ( 8 M, bottom boot sect) */ + +#define AMD_ID_LV160T 0x22C422C4 /* 29LV160T ID (16 M, top boot sector) */ +#define AMD_ID_LV160B 0x22492249 /* 29LV160B ID (16 M, bottom boot sect) */ + +#define AMD_ID_DL163T 0x22282228 /* 29DL163T ID (16 M, top boot sector) */ +#define AMD_ID_DL163B 0x222B222B /* 29DL163B ID (16 M, bottom boot sect) */ + +#define AMD_ID_LV320T 0x22F622F6 /* 29LV320T ID (32 M, top boot sector) */ +#define MX_ID_LV320T 0x22A722A7 /* 29LV320T by Macronix, AMD compatible */ +#define AMD_ID_LV320B 0x22F922F9 /* 29LV320B ID (32 M, bottom boot sect) */ +#define MX_ID_LV320B 0x22A822A8 /* 29LV320B by Macronix, AMD compatible */ + +#define AMD_ID_DL322T 0x22552255 /* 29DL322T ID (32 M, top boot sector) */ +#define AMD_ID_DL322B 0x22562256 /* 29DL322B ID (32 M, bottom boot sect) */ +#define AMD_ID_DL323T 0x22502250 /* 29DL323T ID (32 M, top boot sector) */ +#define AMD_ID_DL323B 0x22532253 /* 29DL323B ID (32 M, bottom boot sect) */ +#define AMD_ID_DL324T 0x225C225C /* 29DL324T ID (32 M, top boot sector) */ +#define AMD_ID_DL324B 0x225F225F /* 29DL324B ID (32 M, bottom boot sect) */ + +#define AMD_ID_DL640 0x227E227E /* 29DL640D ID (64 M, dual boot sectors)*/ +#define AMD_ID_MIRROR 0x227E227E /* 1st ID word for MirrorBit family */ +#define AMD_ID_DL640G_2 0x22022202 /* 2nd ID word for AM29DL640G at 0x38 */ +#define AMD_ID_DL640G_3 0x22012201 /* 3rd ID word for AM29DL640G at 0x3c */ +#define AMD_ID_LV640U_2 0x220C220C /* 2nd ID word for AM29LV640M at 0x38 */ +#define AMD_ID_LV640U_3 0x22012201 /* 3rd ID word for AM29LV640M at 0x3c */ +#define AMD_ID_LV640MT_2 0x22102210 /* 2nd ID word for AM29LV640MT at 0x38 */ +#define AMD_ID_LV640MT_3 0x22012201 /* 3rd ID word for AM29LV640MT at 0x3c */ +#define AMD_ID_LV640MB_2 0x22102210 /* 2nd ID word for AM29LV640MB at 0x38 */ +#define AMD_ID_LV640MB_3 0x22002200 /* 3rd ID word for AM29LV640MB at 0x3c */ +#define AMD_ID_LV128U_2 0x22122212 /* 2nd ID word for AM29LV128M at 0x38 */ +#define AMD_ID_LV128U_3 0x22002200 /* 3rd ID word for AM29LV128M at 0x3c */ +#define AMD_ID_LV256U_2 0x22122212 /* 2nd ID word for AM29LV256M at 0x38 */ +#define AMD_ID_LV256U_3 0x22012201 /* 3rd ID word for AM29LV256M at 0x3c */ +#define AMD_ID_GL064M_2 0x22132213 /* 2nd ID word for S29GL064M-R6 */ +#define AMD_ID_GL064M_3 0x22012201 /* 3rd ID word for S29GL064M-R6 */ + +#define AMD_ID_LV320B_2 0x221A221A /* 2d ID word for AM29LV320MB at 0x38 */ +#define AMD_ID_LV320B_3 0x22002200 /* 3d ID word for AM29LV320MB at 0x3c */ + +#define AMD_ID_LV640U 0x22D722D7 /* 29LV640U ID (64 M, uniform sectors) */ + +#define ATM_ID_BV1614 0x000000C0 /* 49BV1614 ID */ +#define ATM_ID_BV1614A 0x000000C8 /* 49BV1614A ID */ +#define ATM_ID_BV6416 0x000000D6 /* 49BV6416 ID */ + +#define FUJI_ID_29F800BA 0x22582258 /* MBM29F800BA ID (8M) */ +#define FUJI_ID_29F800TA 0x22D622D6 /* MBM29F800TA ID (8M) */ +#define FUJI_ID_29LV650UE 0x22d722d7 /* MBM29LV650UE/651UE ID (8M = 128 x 32kWord) */ + +#define SST_ID_xF200A 0x27892789 /* 39xF200A ID ( 2M = 128K x 16 ) */ +#define SST_ID_xF400A 0x27802780 /* 39xF400A ID ( 4M = 256K x 16 ) */ +#define SST_ID_xF800A 0x27812781 /* 39xF800A ID ( 8M = 512K x 16 ) */ +#define SST_ID_xF160A 0x27822782 /* 39xF800A ID (16M = 1M x 16 ) */ +#define SST_ID_xF1601 0x234B234B /* 39xF1601 ID (16M = 1M x 16 ) */ +#define SST_ID_xF1602 0x234A234A /* 39xF1602 ID (16M = 1M x 16 ) */ +#define SST_ID_xF3201 0x235B235B /* 39xF3201 ID (32M = 2M x 16 ) */ +#define SST_ID_xF3202 0x235A235A /* 39xF3202 ID (32M = 2M x 16 ) */ +#define SST_ID_xF6401 0x236B236B /* 39xF6401 ID (64M = 4M x 16 ) */ +#define SST_ID_xF6402 0x236A236A /* 39xF6402 ID (64M = 4M x 16 ) */ +#define SST_ID_xF040 0xBFD7BFD7 /* 39xF040 ID (512KB = 4Mbit x 8) */ + +#define STM_ID_F040B 0xE2 /* M29F040B ID ( 4M = 512K x 8 ) */ + /* 8 64K x 8 uniform sectors */ + +#define STM_ID_x800AB 0x005B005B /* M29W800AB ID (8M = 512K x 16 ) */ +#define STM_ID_29W320DT 0x22CA22CA /* M29W320DT ID (32 M, top boot sector) */ +#define STM_ID_29W320DB 0x22CB22CB /* M29W320DB ID (32 M, bottom boot sect) */ +#define STM_ID_29W040B 0x00E300E3 /* M29W040B ID (4M = 512K x 8) */ + +#define INTEL_ID_28F016S 0x66a066a0 /* 28F016S[VS] ID (16M = 512k x 16) */ +#define INTEL_ID_28F800B3T 0x88928892 /* 8M = 512K x 16 top boot sector */ +#define INTEL_ID_28F800B3B 0x88938893 /* 8M = 512K x 16 bottom boot sector */ +#define INTEL_ID_28F160B3T 0x88908890 /* 16M = 1M x 16 top boot sector */ +#define INTEL_ID_28F160B3B 0x88918891 /* 16M = 1M x 16 bottom boot sector */ +#define INTEL_ID_28F320B3T 0x88968896 /* 32M = 2M x 16 top boot sector */ +#define INTEL_ID_28F320B3B 0x88978897 /* 32M = 2M x 16 bottom boot sector */ +#define INTEL_ID_28F640B3T 0x88988898 /* 64M = 4M x 16 top boot sector */ +#define INTEL_ID_28F640B3B 0x88998899 /* 64M = 4M x 16 bottom boot sector */ +#define INTEL_ID_28F160F3B 0x88F488F4 /* 16M = 1M x 16 bottom boot sector */ + +#define INTEL_ID_28F800C3T 0x88C088C0 /* 8M = 512K x 16 top boot sector */ +#define INTEL_ID_28F800C3B 0x88C188C1 /* 8M = 512K x 16 bottom boot sector */ +#define INTEL_ID_28F160C3T 0x88C288C2 /* 16M = 1M x 16 top boot sector */ +#define INTEL_ID_28F160C3B 0x88C388C3 /* 16M = 1M x 16 bottom boot sector */ +#define INTEL_ID_28F320C3T 0x88C488C4 /* 32M = 2M x 16 top boot sector */ +#define INTEL_ID_28F320C3B 0x88C588C5 /* 32M = 2M x 16 bottom boot sector */ +#define INTEL_ID_28F640C3T 0x88CC88CC /* 64M = 4M x 16 top boot sector */ +#define INTEL_ID_28F640C3B 0x88CD88CD /* 64M = 4M x 16 bottom boot sector */ + +#define INTEL_ID_28F128J3 0x89188918 /* 16M = 8M x 16 x 128 */ +#define INTEL_ID_28F320J5 0x00140014 /* 32M = 128K x 32 */ +#define INTEL_ID_28F640J5 0x00150015 /* 64M = 128K x 64 */ +#define INTEL_ID_28F320J3A 0x00160016 /* 32M = 128K x 32 */ +#define INTEL_ID_28F640J3A 0x00170017 /* 64M = 128K x 64 */ +#define INTEL_ID_28F256L18 0x88108810 /* 32M = 128K x 255 */ +#define INTEL_ID_28F128J3A 0x00180018 /* 128M = 128K x 128 */ +#define INTEL_ID_28F256L18T 0x880D880D /* 256M = 128K x 255 + 32k x 4 */ +#define INTEL_ID_28F256L18B 0x88108810 /* 256M = 32k x 4 + 128K x 255 */ +#define INTEL_ID_28F256P30B 0x891C891C /* 256M = 32k x 4 + 128K x 255 */ +#define INTEL_ID_28F256P30T 0x89198919 /* 256M = 128K x 255 + 32k x 4 */ +#define INTEL_ID_28F64K3 0x88018801 /* 64M = 32K x 255 + 32k x 4 */ +#define INTEL_ID_28F128K3 0x88028802 /* 128M = 64K x 255 + 32k x 4 */ +#define INTEL_ID_28F256K3 0x88038803 /* 256M = 128K x 255 + 32k x 4 */ + +#define INTEL_ID_28F160S3 0x00D000D0 /* 16M = 512K x 32 (64kB x 32) */ +#define INTEL_ID_28F320S3 0x00D400D4 /* 32M = 512K x 64 (64kB x 64) */ + +/* Note that the Sharp 28F016SC is compatible with the Intel E28F016SC */ +#define SHARP_ID_28F016SCL 0xAAAAAAAA /* LH28F016SCT-L95 2Mx8, 32 64k blocks */ +#define SHARP_ID_28F016SCZ 0xA0A0A0A0 /* LH28F016SCT-Z4 2Mx8, 32 64k blocks */ +#define SHARP_ID_28F008SC 0xA6A6A6A6 /* LH28F008SCT-L12 1Mx8, 16 64k blocks */ + /* LH28F008SCR-L85 1Mx8, 16 64k blocks */ + +#define TOSH_ID_FVT160 0xC2 /* TC58FVT160 ID (16 M, top ) */ +#define TOSH_ID_FVB160 0x43 /* TC58FVT160 ID (16 M, bottom ) */ + +/*----------------------------------------------------------------------- + * Internal FLASH identification codes + * + * Be careful when adding new type! Odd numbers are "bottom boot sector" types! + */ + +#define FLASH_AM040 0x0001 /* AMD Am29F040B, Am29LV040B */ + /* Bright Micro BM29F040 */ + /* Fujitsu MBM29F040A */ + /* STM M29W040B */ + /* SGS Thomson M29F040B */ + /* 8 64K x 8 uniform sectors */ +#define FLASH_AM400T 0x0002 /* AMD AM29LV400 */ +#define FLASH_AM400B 0x0003 +#define FLASH_AM800T 0x0004 /* AMD AM29LV800 */ +#define FLASH_AM800B 0x0005 +#define FLASH_AM116DT 0x0026 /* AMD AM29LV116DT (2Mx8bit) */ +#define FLASH_AM116DB 0x0027 /* AMD AM29LV116DB (2Mx8bit) */ +#define FLASH_AM160T 0x0006 /* AMD AM29LV160 */ +#define FLASH_AM160LV 0x0046 /* AMD29LV160DB (2M = 2Mx8bit ) */ +#define FLASH_AM160B 0x0007 +#define FLASH_AM320T 0x0008 /* AMD AM29LV320 */ +#define FLASH_AM320B 0x0009 + +#define FLASH_AM080 0x000A /* AMD Am29F080B */ + /* 16 64K x 8 uniform sectors */ + +#define FLASH_AMDL322T 0x0010 /* AMD AM29DL322 */ +#define FLASH_AMDL322B 0x0011 +#define FLASH_AMDL323T 0x0012 /* AMD AM29DL323 */ +#define FLASH_AMDL323B 0x0013 +#define FLASH_AMDL324T 0x0014 /* AMD AM29DL324 */ +#define FLASH_AMDL324B 0x0015 + +#define FLASH_AMDLV033C 0x0018 +#define FLASH_AMDLV065D 0x001A + +#define FLASH_AMDL640 0x0016 /* AMD AM29DL640D */ +#define FLASH_AMD016 0x0018 /* AMD AM29F016D */ +#define FLASH_AMDL640MB 0x0019 /* AMD AM29LV640MB (64M, bottom boot sect)*/ +#define FLASH_AMDL640MT 0x001A /* AMD AM29LV640MT (64M, top boot sect) */ + +#define FLASH_SST200A 0x0040 /* SST 39xF200A ID ( 2M = 128K x 16 ) */ +#define FLASH_SST400A 0x0042 /* SST 39xF400A ID ( 4M = 256K x 16 ) */ +#define FLASH_SST800A 0x0044 /* SST 39xF800A ID ( 8M = 512K x 16 ) */ +#define FLASH_SST160A 0x0046 /* SST 39xF160A ID ( 16M = 1M x 16 ) */ +#define FLASH_SST320 0x0048 /* SST 39xF160A ID ( 16M = 1M x 16 ) */ +#define FLASH_SST640 0x004A /* SST 39xF160A ID ( 16M = 1M x 16 ) */ +#define FLASH_SST040 0x000E /* SST 39xF040 ID (512KB = 4Mbit x 8 ) */ + +#define FLASH_STM800AB 0x0051 /* STM M29WF800AB ( 8M = 512K x 16 ) */ +#define FLASH_STMW320DT 0x0052 /* STM M29W320DT (32 M, top boot sector) */ +#define FLASH_STMW320DB 0x0053 /* STM M29W320DB (32 M, bottom boot sect)*/ +#define FLASH_STM320DB 0x00CB /* STM M29W320DB (4M = 64K x 64, bottom)*/ +#define FLASH_STM800DT 0x00D7 /* STM M29W800DT (1M = 64K x 16, top) */ +#define FLASH_STM800DB 0x005B /* STM M29W800DB (1M = 64K x 16, bottom)*/ + +#define FLASH_28F400_T 0x0062 /* MT 28F400B3 ID ( 4M = 256K x 16 ) */ +#define FLASH_28F400_B 0x0063 /* MT 28F400B3 ID ( 4M = 256K x 16 ) */ + +#define FLASH_INTEL800T 0x0074 /* INTEL 28F800B3T ( 8M = 512K x 16 ) */ +#define FLASH_INTEL800B 0x0075 /* INTEL 28F800B3B ( 8M = 512K x 16 ) */ +#define FLASH_INTEL160T 0x0076 /* INTEL 28F160B3T ( 16M = 1 M x 16 ) */ +#define FLASH_INTEL160B 0x0077 /* INTEL 28F160B3B ( 16M = 1 M x 16 ) */ +#define FLASH_INTEL320T 0x0078 /* INTEL 28F320B3T ( 32M = 2 M x 16 ) */ +#define FLASH_INTEL320B 0x0079 /* INTEL 28F320B3B ( 32M = 2 M x 16 ) */ +#define FLASH_INTEL640T 0x007A /* INTEL 28F320B3T ( 64M = 4 M x 16 ) */ +#define FLASH_INTEL640B 0x007B /* INTEL 28F320B3B ( 64M = 4 M x 16 ) */ + +#define FLASH_28F008S5 0x0080 /* Intel 28F008S5 ( 1M = 64K x 16 ) */ +#define FLASH_28F016SV 0x0081 /* Intel 28F016SV ( 16M = 512k x 32 ) */ +#define FLASH_28F800_B 0x0083 /* Intel E28F800B ( 1M = ? ) */ +#define FLASH_AM29F800B 0x0084 /* AMD Am29F800BB ( 1M = ? ) */ +#define FLASH_28F320J5 0x0085 /* Intel 28F320J5 ( 4M = 128K x 32 ) */ +#define FLASH_28F160S3 0x0086 /* Intel 28F160S3 ( 16M = 512K x 32 ) */ +#define FLASH_28F320S3 0x0088 /* Intel 28F320S3 ( 32M = 512K x 64 ) */ +#define FLASH_AM640U 0x0090 /* AMD Am29LV640U ( 64M = 4M x 16 ) */ +#define FLASH_AM033C 0x0091 /* AMD AM29LV033 ( 32M = 4M x 8 ) */ +#define FLASH_LH28F016SCT 0x0092 /* Sharp 28F016SCT ( 8 Meg Flash SIMM ) */ +#define FLASH_28F160F3B 0x0093 /* Intel 28F160F3B ( 16M = 1M x 16 ) */ + +#define FLASH_28F640J5 0x0099 /* INTEL 28F640J5 ( 64M = 128K x 64) */ + +#define FLASH_28F800C3T 0x009A /* Intel 28F800C3T ( 8M = 512K x 16 ) */ +#define FLASH_28F800C3B 0x009B /* Intel 28F800C3B ( 8M = 512K x 16 ) */ +#define FLASH_28F160C3T 0x009C /* Intel 28F160C3T ( 16M = 1M x 16 ) */ +#define FLASH_28F160C3B 0x009D /* Intel 28F160C3B ( 16M = 1M x 16 ) */ +#define FLASH_28F320C3T 0x009E /* Intel 28F320C3T ( 32M = 2M x 16 ) */ +#define FLASH_28F320C3B 0x009F /* Intel 28F320C3B ( 32M = 2M x 16 ) */ +#define FLASH_28F640C3T 0x00A0 /* Intel 28F640C3T ( 64M = 4M x 16 ) */ +#define FLASH_28F640C3B 0x00A1 /* Intel 28F640C3B ( 64M = 4M x 16 ) */ +#define FLASH_AMLV320U 0x00A2 /* AMD 29LV320M ( 32M = 2M x 16 ) */ +#define FLASH_AMLV640U 0x00A4 /* AMD 29LV640M ( 64M = 4M x 16 ) */ +#define FLASH_AMLV128U 0x00A6 /* AMD 29LV128M ( 128M = 8M x 16 ) */ +#define FLASH_AMLV320B 0x00A7 /* AMD 29LV320MB ( 32M = 2M x 16 ) */ +#define FLASH_AMLV320T 0x00A8 /* AMD 29LV320MT ( 32M = 2M x 16 ) */ +#define FLASH_AMLV256U 0x00AA /* AMD 29LV256M ( 256M = 16M x 16 ) */ +#define FLASH_MXLV320B 0x00AB /* MX 29LV320MB ( 32M = 2M x 16 ) */ +#define FLASH_MXLV320T 0x00AC /* MX 29LV320MT ( 32M = 2M x 16 ) */ +#define FLASH_28F256L18T 0x00B0 /* Intel 28F256L18T ( 32M = 128K x 255 + 32k x 4) */ +#define FLASH_28F256L18B 0x00B1 /* Intel 28F256L18B ( 32M = 32k x 4 + 128K x 255) */ +#define FLASH_28F256P30B 0x001C /* Intel 28F256P30B ( 32M = 32k x 4 + 128K x 255) */ +#define FLASH_28F256P30T 0x0019 /* Intel 28F256P30T ( 128K x 255 + 32M = 32k x 4 + */ +#define FLASH_AMDL163T 0x00B2 /* AMD AM29DL163T (2M x 16 ) */ +#define FLASH_AMDL163B 0x00B3 +#define FLASH_28F64K3 0x00B4 /* Intel 28F64K3 ( 64M) */ +#define FLASH_28F128K3 0x00B6 /* Intel 28F128K3 ( 128M = 8M x 16 ) */ +#define FLASH_28F256K3 0x00B8 /* Intel 28F256K3 ( 256M = 16M x 16 ) */ + +#define FLASH_28F320J3A 0x00C0 /* INTEL 28F320J3A ( 32M = 128K x 32) */ +#define FLASH_28F640J3A 0x00C2 /* INTEL 28F640J3A ( 64M = 128K x 64) */ +#define FLASH_28F128J3A 0x00C4 /* INTEL 28F128J3A (128M = 128K x 128) */ + +#define FLASH_FUJLV650 0x00D0 /* Fujitsu MBM 29LV650UE/651UE */ +#define FLASH_MT28S4M16LC 0x00E1 /* Micron MT28S4M16LC */ +#define FLASH_S29GL064M 0x00F0 /* Spansion S29GL064M-R6 */ + +#define FLASH_UNKNOWN 0xFFFF /* unknown flash type */ + + +/* manufacturer offsets + */ +#define FLASH_MAN_AMD 0x00000000 /* AMD */ +#define FLASH_MAN_FUJ 0x00010000 /* Fujitsu */ +#define FLASH_MAN_BM 0x00020000 /* Bright Microelectronics */ +#define FLASH_MAN_MX 0x00030000 /* MXIC */ +#define FLASH_MAN_STM 0x00040000 +#define FLASH_MAN_TOSH 0x00050000 /* Toshiba */ +#define FLASH_MAN_EXCEL 0x00060000 /* Excel Semiconductor */ +#define FLASH_MAN_SST 0x00100000 +#define FLASH_MAN_INTEL 0x00300000 +#define FLASH_MAN_MT 0x00400000 +#define FLASH_MAN_SHARP 0x00500000 + + +#define FLASH_TYPEMASK 0x0000FFFF /* extract FLASH type information */ +#define FLASH_VENDMASK 0xFFFF0000 /* extract FLASH vendor information */ + +#define FLASH_AMD_COMP 0x000FFFFF /* Up to this ID, FLASH is compatible */ + /* with AMD, Fujitsu and SST */ + /* (JEDEC standard commands ?) */ + +#define FLASH_BTYPE 0x0001 /* mask for bottom boot sector type */ + +/*----------------------------------------------------------------------- + * Timeout constants: + * + * We can't find any specifications for maximum chip erase times, + * so these values are guestimates. + */ +#define FLASH_ERASE_TIMEOUT 120000 /* timeout for erasing in ms */ +#define FLASH_WRITE_TIMEOUT 500 /* timeout for writes in ms */ + +#endif /* !CFG_NO_FLASH */ + +#endif /* _FLASH_H_ */ diff --git a/board/mcc200/mcc200.c b/board/mcc200/mcc200.c new file mode 100644 index 0000000..dd2e191 --- /dev/null +++ b/board/mcc200/mcc200.c @@ -0,0 +1,328 @@ +/* + * (C) Copyright 2003-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. + * + * 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 <mpc5xxx.h> +#include <pci.h> + +//###CHD: es gibt eigentlich kein DDR bei uns -> weg damit!; dto. PCI! +#if defined(CONFIG_MPC5200_DDR) +#include "mt46v16m16-75.h" +#else +//#include "mt48lc16m16a2-75.h" +#include "mt48lc8m32b2-6-7.h" +#endif + +//###CHD: wenn RAMBOOT gehen wuerde, .... +#ifndef CFG_RAMBOOT +static void sdram_start (int hi_addr) +{ + long hi_addr_bit = hi_addr ? 0x01000000 : 0; + + /* unlock mode register */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; + __asm__ volatile ("sync"); + +#if SDRAM_DDR + /* set mode register: extended mode */ + *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE; + __asm__ volatile ("sync"); + + /* set mode register: reset DLL */ + *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000; + __asm__ volatile ("sync"); +#endif + + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* auto refresh */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* set mode register */ + *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE; + __asm__ volatile ("sync"); + + /* normal operation */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit; + __asm__ volatile ("sync"); +} +#endif + +/* + * ATTENTION: Although partially referenced initdram does NOT make real use + * use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE + * is something else than 0x00000000. + */ + +#if defined(CONFIG_MPC5200) +long int initdram (int board_type) +{ + ulong dramsize = 0; + ulong dramsize2 = 0; +#ifndef CFG_RAMBOOT + ulong test1, test2; + + /* setup SDRAM chip selects */ + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001e;/* 2G at 0x0 */ + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x80000000;/* disabled */ + __asm__ volatile ("sync"); + + /* setup config registers */ + *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1; + *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2; + __asm__ volatile ("sync"); + +#if SDRAM_DDR + /* set tap delay */ + *(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY; + __asm__ volatile ("sync"); +#endif + + /* find RAM size using SDRAM CS0 only */ + sdram_start(0); + test1 = get_ram_size((long *)CFG_SDRAM_BASE, 0x80000000); + sdram_start(1); + test2 = get_ram_size((long *)CFG_SDRAM_BASE, 0x80000000); + if (test1 > test2) { + sdram_start(0); + dramsize = test1; + } else { + dramsize = test2; + } + + /* memory smaller than 1MB is impossible */ + if (dramsize < (1 << 20)) { + dramsize = 0; + } + + /* set SDRAM CS0 size according to the amount of RAM found */ + if (dramsize > 0) { + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 + __builtin_ffs(dramsize >> 20) - 1; + } else { + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */ + } + + /* let SDRAM CS1 start right after CS0 */ + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e;/* 2G */ + + /* find RAM size using SDRAM CS1 only */ + if (!dramsize) + sdram_start(0); + test2 = test1 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x80000000); + if (!dramsize) { + sdram_start(1); + test2 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x80000000); + } + if (test1 > test2) { + sdram_start(0); + dramsize2 = test1; + } else { + dramsize2 = test2; + } + + /* memory smaller than 1MB is impossible */ + if (dramsize2 < (1 << 20)) { + dramsize2 = 0; + } + + /* set SDRAM CS1 size according to the amount of RAM found */ + if (dramsize2 > 0) { + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1); + } else { + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */ + } + +#else /* CFG_RAMBOOT */ + + /* retrieve size of memory connected to SDRAM CS0 */ + dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF; + if (dramsize >= 0x13) { + dramsize = (1 << (dramsize - 0x13)) << 20; + } else { + dramsize = 0; + } + + /* retrieve size of memory connected to SDRAM CS1 */ + dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF; + if (dramsize2 >= 0x13) { + dramsize2 = (1 << (dramsize2 - 0x13)) << 20; + } else { + dramsize2 = 0; + } + +#endif /* CFG_RAMBOOT */ + + return dramsize + dramsize2; +} + +//###CHD: sowas gibt es bei usn nicht! +#elif defined(CONFIG_MGT5100) + +long int initdram (int board_type) +{ + ulong dramsize = 0; +#ifndef CFG_RAMBOOT + ulong test1, test2; + + /* setup and enable SDRAM chip selects */ + *(vu_long *)MPC5XXX_SDRAM_START = 0x00000000; + *(vu_long *)MPC5XXX_SDRAM_STOP = 0x0000ffff;/* 2G */ + *(vu_long *)MPC5XXX_ADDECR |= (1 << 22); /* Enable SDRAM */ + __asm__ volatile ("sync"); + + /* setup config registers */ + *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1; + *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2; + + /* address select register */ + *(vu_long *)MPC5XXX_SDRAM_XLBSEL = SDRAM_ADDRSEL; + __asm__ volatile ("sync"); + + /* find RAM size */ + sdram_start(0); + test1 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x80000000); + sdram_start(1); + test2 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x80000000); + if (test1 > test2) { + sdram_start(0); + dramsize = test1; + } else { + dramsize = test2; + } + + /* set SDRAM end address according to size */ + *(vu_long *)MPC5XXX_SDRAM_STOP = ((dramsize - 1) >> 15); + +#else /* CFG_RAMBOOT */ + + /* Retrieve amount of SDRAM available */ + dramsize = ((*(vu_long *)MPC5XXX_SDRAM_STOP + 1) << 15); + +#endif /* CFG_RAMBOOT */ + + return dramsize; +} + +#else +#error Neither CONFIG_MPC5200 or CONFIG_MGT5100 defined +#endif + +int checkboard (void) +{ + puts("Board: Bluetechnix DevMPC5200Leica \n"); +/* +#if defined(CONFIG_MPC5200) + puts ("Board: MicroSys PM520 \n"); +#elif defined(CONFIG_MGT5100) + puts ("Board: MicroSys PM510 \n"); +#endif*/ + return 0; +} + +void flash_preinit(void) +{ + /* + * Now, when we are in RAM, enable flash write + * access for detection process. + * Note that CS_BOOT cannot be cleared when + * executing in flash. + */ +#if defined(CONFIG_MGT5100) + *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 25); /* disable CS_BOOT */ + *(vu_long *)MPC5XXX_ADDECR |= (1 << 16); /* enable CS0 */ +#endif + *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */ +} + +void flash_afterinit(ulong start, ulong size) +{ +#if defined(CONFIG_BOOT_ROM) + /* adjust mapping */ + *(vu_long *)MPC5XXX_CS1_START = + START_REG(start); + *(vu_long *)MPC5XXX_CS1_STOP = + STOP_REG(start, size); +#else + /* adjust mapping */ + *(vu_long *)MPC5XXX_BOOTCS_START = *(vu_long *)MPC5XXX_CS0_START = + START_REG(start); + *(vu_long *)MPC5XXX_BOOTCS_STOP = *(vu_long *)MPC5XXX_CS0_STOP = + STOP_REG(start, size); +#endif +} + + +extern flash_info_t flash_info[]; /* info for FLASH chips */ + +int misc_init_r (void) +{ + DECLARE_GLOBAL_DATA_PTR; + /* adjust flash start */ + gd->bd->bi_flashstart = flash_info[0].start[0]; + return (0); +} + +#ifdef CONFIG_PCI +static struct pci_controller hose; + +extern void pci_mpc5xxx_init(struct pci_controller *); + +void pci_init_board(void) +{ + pci_mpc5xxx_init(&hose); +} +#endif + +#if defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) + +void init_ide_reset (void) +{ + debug ("init_ide_reset\n"); + +} + +void ide_set_reset (int idereset) +{ + debug ("ide_reset(%d)\n", idereset); + +} +#endif /* defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) */ + +#if (CONFIG_COMMANDS & CFG_CMD_DOC) +extern void doc_probe (ulong physadr); +void doc_init (void) +{ + doc_probe (CFG_DOC_BASE); +} +#endif diff --git a/board/mcc200/mt46v16m16-75.h b/board/mcc200/mt46v16m16-75.h new file mode 100644 index 0000000..f650faa --- /dev/null +++ b/board/mcc200/mt46v16m16-75.h @@ -0,0 +1,37 @@ +/* + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. + * + * 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 + */ + +#define SDRAM_DDR 1 /* is DDR */ + +#if defined(CONFIG_MPC5200) +/* Settings for XLB = 132 MHz */ +#define SDRAM_MODE 0x018D0000 +#define SDRAM_EMODE 0x40090000 +#define SDRAM_CONTROL 0x714f0f00 +#define SDRAM_CONFIG1 0x73722930 +#define SDRAM_CONFIG2 0x47770000 +#define SDRAM_TAPDELAY 0x10000000 + +#else +#error CONFIG_MPC5200 not defined +#endif diff --git a/board/mcc200/mt48lc16m16a2-75.h b/board/mcc200/mt48lc16m16a2-75.h new file mode 100644 index 0000000..ffdf039 --- /dev/null +++ b/board/mcc200/mt48lc16m16a2-75.h @@ -0,0 +1,43 @@ +/* + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. + * + * 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 + */ + +#define SDRAM_DDR 0 /* is SDR */ + +#if defined(CONFIG_MPC5200) +/* Settings for XLB = 132 MHz */ +#define SDRAM_MODE 0x00CD0000 +#define SDRAM_CONTROL 0x504F0000 +#define SDRAM_CONFIG1 0xD2322800 +#define SDRAM_CONFIG2 0x8AD70000 + +#elif defined(CONFIG_MGT5100) +/* Settings for XLB = 66 MHz */ +#define SDRAM_MODE 0x008D0000 +#define SDRAM_CONTROL 0x504F0000 +#define SDRAM_CONFIG1 0xC2222600 +#define SDRAM_CONFIG2 0x88B70004 +#define SDRAM_ADDRSEL 0x02000000 + +#else +#error Neither CONFIG_MPC5200 or CONFIG_MGT5100 defined +#endif diff --git a/board/mcc200/mt48lc8m32b2-6-7.h b/board/mcc200/mt48lc8m32b2-6-7.h new file mode 100644 index 0000000..6c2b2b3 --- /dev/null +++ b/board/mcc200/mt48lc8m32b2-6-7.h @@ -0,0 +1,30 @@ +/* + * Configuration Registers for the MT48LC8M32B2 SDRAM on the MPC5200 platform + */ + +#define SDRAM_DDR 0 /* is SDR */ + +#if defined(CONFIG_MPC5200) +/* Settings for XLB = 132 MHz */ +//#define SDRAM_MODE 0x00cc0000 // CL-3 BURST-8 -> Mode Register—MBAR + 0x0100 +//#define SDRAM_CONTROL 0x501f0000 // Control Register—MBAR + 0x0104 +//#define SDRAM_CONFIG1 0xe2329000 // Delays between commands -> Configuration Register 1—MBAR + 0x0108 +//#define SDRAM_CONFIG2 0x46e70000 // Delays between commands -> Configuration Register 2—MBAR + 0x010C + +//Christian +//#define SDRAM_MODE 0x00cd0000 // CL-3 BURST-8 -> Mode Register—MBAR + 0x0100 +//#define SDRAM_CONTROL 0x501f0000 // Control Register—MBAR + 0x0104 +//#define SDRAM_CONFIG1 0xd2322900 // Delays between commands -> Configuration Register 1—MBAR + 0x0108 +//#define SDRAM_CONFIG2 0x8ad70000 // Delays between commands -> Configuration Register 2—MBAR + 0x010C + +//###CHD: ordentliche Doku dazu! CAS=2, etc. +//STefan +#define SDRAM_MODE 0x008d0000 // CL-3 BURST-8 -> Mode Register—MBAR + 0x0100 +#define SDRAM_CONTROL 0x504f0000 // Control Register—MBAR + 0x0104 +#define SDRAM_CONFIG1 0xc2222900 // Delays between commands -> Configuration Register 1—MBAR + 0x0108 +#define SDRAM_CONFIG2 0x88c70000 // Delays between commands -> Configuration Register 2—MBAR + 0x010C + + +#else +#error CONFIG_MPC5200 not defined, please set parameters for your sdram controller in mt48lc8m32b2.h +#endif diff --git a/board/mcc200/u-boot.lds b/board/mcc200/u-boot.lds new file mode 100644 index 0000000..4fdea6b --- /dev/null +++ b/board/mcc200/u-boot.lds @@ -0,0 +1,125 @@ +/* + * (C) Copyright 2003-2006 + * 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 +{ + /* 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 : + { + cpu/mpc5xxx/start.o (.text) + *(.text) + *(.fixup) + *(.got1) + . = ALIGN(16); + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __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(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} |