diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/m5329evb/Makefile | 44 | ||||
| -rw-r--r-- | board/freescale/m5329evb/config.mk | 25 | ||||
| -rw-r--r-- | board/freescale/m5329evb/flash.c | 643 | ||||
| -rw-r--r-- | board/freescale/m5329evb/m5329evb.c | 376 | ||||
| -rw-r--r-- | board/freescale/m5329evb/u-boot.lds | 144 |
5 files changed, 1232 insertions, 0 deletions
diff --git a/board/freescale/m5329evb/Makefile b/board/freescale/m5329evb/Makefile new file mode 100644 index 0000000..f94ee9d --- /dev/null +++ b/board/freescale/m5329evb/Makefile @@ -0,0 +1,44 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o flash.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/m5329evb/config.mk b/board/freescale/m5329evb/config.mk new file mode 100644 index 0000000..ce014ed --- /dev/null +++ b/board/freescale/m5329evb/config.mk @@ -0,0 +1,25 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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 +# + +TEXT_BASE = 0 diff --git a/board/freescale/m5329evb/flash.c b/board/freescale/m5329evb/flash.c new file mode 100644 index 0000000..7d3b0e8 --- /dev/null +++ b/board/freescale/m5329evb/flash.c @@ -0,0 +1,643 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.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> + +#ifndef CFG_FLASH_CFI + +typedef unsigned short FLASH_PORT_WIDTH; +typedef volatile unsigned short FLASH_PORT_WIDTHV; + +#define PHYS_FLASH_1 CFG_FLASH_BASE +#define FLASH_BANK_SIZE 0x200000 + +#define FPW FLASH_PORT_WIDTH +#define FPWV FLASH_PORT_WIDTHV + +/* Intel-compatible flash commands */ +#define INTEL_PROGRAM 0x00100010 +#define INTEL_ERASE 0x00200020 +#define INTEL_WRSETUP 0x00400040 +#define INTEL_CLEAR 0x00500050 +#define INTEL_LOCKBIT 0x00600060 +#define INTEL_PROTECT 0x00010001 +#define INTEL_STATUS 0x00700070 +#define INTEL_READID 0x00900090 +#define INTEL_CFIQRY 0x00980098 +#define INTEL_SUSERASE 0x00B000B0 +#define INTEL_PROTPROG 0x00C000C0 +#define INTEL_CONFIRM 0x00D000D0 +#define INTEL_RESET 0x00FF00FF + +/* Intel-compatible flash status bits */ +#define INTEL_FINISHED 0x00800080 +#define INTEL_OK 0x00800080 +#define INTEL_ERASESUS 0x00600060 +#define INTEL_WSM_SUS (INTEL_FINISHED | INTEL_ERASESUS) + +/* 28F160C3B CFI Data offset - This could vary */ +#define INTEL_CFI_MFG 0x00 /* Manufacturer ID */ +#define INTEL_CFI_PART 0x01 /* Product ID */ +#define INTEL_CFI_LOCK 0x02 /* */ +#define INTEL_CFI_TWPRG 0x1F /* Typical Single Word Program Timeout 2^n us */ +#define INTEL_CFI_MBUFW 0x20 /* Typical Max Buffer Write Timeout 2^n us */ +#define INTEL_CFI_TERB 0x21 /* Typical Block Erase Timeout 2^n ms */ +#define INTEL_CFI_MWPRG 0x23 /* Maximum Word program timeout 2^n us */ +#define INTEL_CFI_MERB 0x25 /* Maximum Block Erase Timeout 2^n s */ +#define INTEL_CFI_SIZE 0x27 /* Device size 2^n bytes */ +#define INTEL_CFI_BANK 0x2C /* Number of Bank */ +#define INTEL_CFI_SZ1A 0x2F /* Block Region Size */ +#define INTEL_CFI_SZ1B 0x30 +#define INTEL_CFI_SZ2A 0x33 +#define INTEL_CFI_SZ2B 0x34 +#define INTEL_CFI_BLK1 0x2D /* Number of Blocks */ +#define INTEL_CFI_BLK2 0x31 + +#define WR_BLOCK 0x20 + +#define SYNC __asm__("nop") + +/*----------------------------------------------------------------------- + * Functions + */ + +ulong flash_get_size(FPWV * addr, flash_info_t * info); +int flash_get_offsets(ulong base, flash_info_t * info); +int flash_cmd_rd(FPWV * addr, int index); +int write_data(flash_info_t * info, ulong dest, FPW data); +void flash_sync_real_protect(flash_info_t * info); +uchar intel_sector_protected(flash_info_t * info, ushort sector); + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + +ulong flash_init(void) +{ + FPWV *flash_addr[CFG_MAX_FLASH_BANKS]; + ulong size; + int i; + + flash_addr[0] = (FPW *) CFG_FLASH0_BASE; +#ifdef CFG_FLASH1_BASE + flash_addr[1] = (FPW *) CFG_FLASH1_BASE; +#endif + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { + memset(&flash_info[i], 0, sizeof(flash_info_t)); + + size = flash_get_size(flash_addr[i], &flash_info[i]); + flash_protect(FLAG_PROTECT_CLEAR, + flash_info[i].start[0], + flash_info[i].start[0] + size - 1, + &flash_info[0]); + /* get the h/w and s/w protection status in sync */ + flash_sync_real_protect(&flash_info[i]); + } + + /* Protect monitor and environment sectors */ + flash_protect(FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]); + + return size; +} + +void flash_print_info(flash_info_t * info) +{ + int i; + + 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_28F160C3B: + printf("28F160C3B\n"); + break; + case FLASH_28F160C3T: + printf("28F160C3T\n"); + break; + case FLASH_28F320C3B: + printf("28F320C3B\n"); + break; + case FLASH_28F320C3T: + printf("28F320C3T\n"); + break; + case FLASH_28F640C3B: + printf("28F640C3B\n"); + break; + case FLASH_28F640C3T: + printf("28F640C3T\n"); + break; + default: + printf("Unknown Chip Type\n"); + return; + } + + if (info->size > 0x100000) { + int remainder; + + printf(" Size: %ld", info->size >> 20); + + remainder = (info->size % 0x100000); + if (remainder) { + remainder >>= 10; + remainder = (int)((float) + (((float)remainder / (float)1024) * + 10000)); + printf(".%d ", remainder); + } + + printf("MB in %d Sectors\n", info->sector_count); + } else + printf(" Size: %ld KB in %d Sectors\n", + info->size >> 10, info->sector_count); + + printf(" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; ++i) { + if ((i % 5) == 0) + printf("\n "); + printf(" %08lX%s", + info->start[i], info->protect[i] ? " (RO)" : " "); + } + printf("\n"); +} + +/* + * The following code cannot be run from FLASH! + */ +ulong flash_get_size(FPWV * addr, flash_info_t * info) +{ + int intel = 0; + u16 value; + static int bank = 0; + + /* Write auto select command: read Manufacturer ID */ + /* Write auto select command sequence and test FLASH answer */ + *addr = (FPW) INTEL_RESET; /* restore read mode */ + *addr = (FPW) INTEL_READID; + + switch (addr[INTEL_CFI_MFG] & 0xff) { + case (ushort) INTEL_MANUFACT: + info->flash_id = FLASH_MAN_INTEL; + value = addr[INTEL_CFI_PART]; + intel = 1; + break; + default: + printf("Unknown Flash\n"); + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + *addr = (FPW) INTEL_RESET; /* restore read mode */ + return (0); /* no or unknown flash */ + } + + switch (value) { + case (u16) INTEL_ID_28F160C3B: + info->flash_id += FLASH_28F160C3B; + break; + case (u16) INTEL_ID_28F160C3T: + info->flash_id += FLASH_28F160C3T; + break; + case (u16) INTEL_ID_28F320C3B: + info->flash_id += FLASH_28F320C3B; + break; + case (u16) INTEL_ID_28F320C3T: + info->flash_id += FLASH_28F320C3T; + break; + case (u16) INTEL_ID_28F640C3B: + info->flash_id += FLASH_28F640C3B; + break; + case (u16) INTEL_ID_28F640C3T: + info->flash_id += FLASH_28F640C3T; + break; + default: + info->flash_id = FLASH_UNKNOWN; + break; + } + + if (intel) { + /* Intel spec. under CFI section */ + u32 sz, size, offset; + int sec, sectors, bs; + int part, i, j, cnt; + + part = flash_cmd_rd(addr, INTEL_CFI_BANK); + + /* Geometry y1 = y1 + 1, y2 = y2 + 1, CFI spec. + * To be exact, Z = [0x2f 0x30] (LE) * 256 bytes * [0x2D 0x2E] block count + * Z = [0x33 0x34] (LE) * 256 bytes * [0x31 0x32] block count + */ + offset = (u32) addr; + sectors = sec = 0; + size = sz = cnt = 0; + for (i = 0; i < part; i++) { + bs = (((addr[INTEL_CFI_SZ1B + i * 4] << 8) | + addr[INTEL_CFI_SZ1A + i * 4]) * 0x100); + sec = addr[INTEL_CFI_BLK1 + i * 4] + 1; + sz = bs * sec; + + for (j = 0; j < sec; j++) { + info->start[cnt++] = offset; + offset += bs; + } + + sectors += sec; + size += sz; + } + info->sector_count = sectors; + info->size = size; + } + + 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 = (FPW) INTEL_RESET; /* restore read mode */ + + return (info->size); +} + +int flash_cmd_rd(FPWV * addr, int index) +{ + return (int)addr[index]; +} + +/* + * This function gets the u-boot flash sector protection status + * (flash_info_t.protect[]) in sync with the sector protection + * status stored in hardware. + */ +void flash_sync_real_protect(flash_info_t * info) +{ + int i; + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_28F160C3B: + case FLASH_28F160C3T: + case FLASH_28F320C3B: + case FLASH_28F320C3T: + case FLASH_28F640C3B: + case FLASH_28F640C3T: + 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. + */ +uchar 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_UNLOCK_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; + + /* Intel example code uses offset of 4 for 8-bit flash */ + lock_conf_addr = (FPWV *) info->start[sector]; + ret = (lock_conf_addr[INTEL_CFI_LOCK] & (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)) { + type = (info->flash_id & FLASH_VENDMASK); + 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]); + int min = 0; + + printf("Erasing sector %2d ... ", sect); + + /* arm simple, non interrupt dependent timer */ + start = get_timer(0); + + *addr = (FPW) INTEL_READID; + min = addr[INTEL_CFI_TERB]; + min = 1 << min; /* ms */ + min = (min / info->sector_count) * 1000; + + /* start erase block */ + *addr = (FPW) INTEL_CLEAR; /* clear status register */ + *addr = (FPW) INTEL_ERASE; /* erase setup */ + *addr = (FPW) INTEL_CONFIRM; /* erase confirm */ + + while ((*addr & (FPW) INTEL_FINISHED) != + (FPW) INTEL_FINISHED) { + + if (get_timer(start) > CFG_FLASH_ERASE_TOUT) { + printf("Timeout\n"); + *addr = (FPW) INTEL_SUSERASE; /* suspend erase */ + *addr = (FPW) INTEL_RESET; /* reset to read mode */ + + rcode = 1; + break; + } + } + + *addr = (FPW) INTEL_RESET; /* resest to read mode */ + + printf(" done\n"); + } + } + + return rcode; +} + +int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + if (info->flash_id == FLASH_UNKNOWN) + return 4; + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_INTEL: + { + ulong cp, wp; + FPW data; + int i, l, rc, port_width; + + /* get lower word aligned address */ + wp = addr; + port_width = 1; + + /* + * 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, data)) != 0) + return (rc); + + wp += port_width; + } + + /* handle word aligned part */ + while (cnt >= 2) { + data = *((FPW *) src); + + if ((rc = + write_data(info, (ulong) ((FPWV *) wp), + (FPW) data)) != 0) { + return (rc); + } + + src += sizeof(FPW); + wp += sizeof(FPW); + cnt -= sizeof(FPW); + } + + if (cnt == 0) + return ERR_OK; + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) { + data = (data >> 8) | (*src++ << 8); + --cnt; + } + for (; i < 2; ++i, ++cp) { + data |= (*(uchar *) cp); + } + + return write_data(info, (ulong) ((FPWV *) wp), + (FPW) data); + + } /* case FLASH_MAN_INTEL */ + + } /* switch */ + + return ERR_OK; +} + +/*----------------------------------------------------------------------- + * Write a word or halfword to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +int write_data(flash_info_t * info, ulong dest, FPW data) +{ + FPWV *addr = (FPWV *) dest; + ulong start; + int flag; + + /* Check if Flash is (sufficiently) erased */ + if ((*addr & data) != data) { + printf("not erased at %08lx (%lx)\n", (ulong) addr, + (ulong) * addr); + return (2); + } + + /* Disable interrupts which might cause a timeout here */ + flag = (int)disable_interrupts(); + + *addr = (FPW) INTEL_CLEAR; + *addr = (FPW) INTEL_RESET; + + *addr = (FPW) INTEL_WRSETUP; /* write setup */ + *addr = data; + + /* arm simple, non interrupt dependent timer */ + start = get_timer(0); + + /* wait while polling the status register */ + while ((*addr & (FPW) INTEL_OK) != (FPW) INTEL_OK) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + *addr = (FPW) INTEL_SUSERASE; /* suspend mode */ + *addr = (FPW) INTEL_CLEAR; /* clear status */ + *addr = (FPW) INTEL_RESET; /* reset */ + return (1); + } + } + + *addr = (FPW) INTEL_CLEAR; /* clear status */ + *addr = (FPW) INTEL_RESET; /* restore read mode */ + + return (0); +} + +#ifdef CFG_FLASH_PROTECTION +/*----------------------------------------------------------------------- + */ +int flash_real_protect(flash_info_t * info, long sector, int prot) +{ + int rcode = 0; /* assume success */ + FPWV *addr; /* address of sector */ + FPW value; + + addr = (FPWV *) (info->start[sector]); + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_28F160C3B: + case FLASH_28F160C3T: + case FLASH_28F320C3B: + case FLASH_28F320C3T: + case FLASH_28F640C3B: + case FLASH_28F640C3T: + *addr = (FPW) INTEL_RESET; /* make sure in read mode */ + *addr = (FPW) INTEL_LOCKBIT; /* lock command setup */ + + if (prot) + *addr = (FPW) INTEL_PROTECT; /* lock sector */ + else + *addr = (FPW) INTEL_CONFIRM; /* unlock sector */ + + /* now see if it really is locked/unlocked as requested */ + *addr = (FPW) INTEL_READID; + + /* read sector protection at sector address, (A7 .. A0) = 0x02. + * D0 = 1 for each device if protected. + * If at least one device is protected the sector is marked + * protected, but return failure. Mixed protected and + * unprotected devices within a sector should never happen. + */ + value = addr[2] & (FPW) INTEL_PROTECT; + if (value == 0) + info->protect[sector] = 0; + else if (value == (FPW) INTEL_PROTECT) + info->protect[sector] = 1; + else { + /* error, mixed protected and unprotected */ + rcode = 1; + info->protect[sector] = 1; + } + if (info->protect[sector] != prot) + rcode = 1; /* failed to protect/unprotect as requested */ + + /* reload all protection bits from hardware for now */ + flash_sync_real_protect(info); + break; + + default: + /* no hardware protect that we support */ + info->protect[sector] = prot; + break; + } + + return rcode; +} +#endif /* CFG_FLASH_PROTECTION */ +#endif /* CFG_FLASH_CFI */ diff --git a/board/freescale/m5329evb/m5329evb.c b/board/freescale/m5329evb/m5329evb.c new file mode 100644 index 0000000..4ccea30 --- /dev/null +++ b/board/freescale/m5329evb/m5329evb.c @@ -0,0 +1,376 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.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 <asm/fec.h> +#include <asm/m5329.h> +#include <asm/immap_5329.h> + +#include <config.h> +#include <net.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + puts("Board: "); + puts("Freescale FireEngine 5329 EVB\n"); + return 0; +}; + +long int initdram(int board_type) +{ + volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM); + u32 dramsize, i; + + dramsize = CFG_SDRAM_SIZE * 0x100000; + + for (i = 0x13; i < 0x20; i++) { + if (dramsize == (1 << i)) + break; + } + i--; + + sdram->cs0 = (CFG_SDRAM_BASE | i); + sdram->cfg1 = CFG_SDRAM_CFG1; + sdram->cfg2 = CFG_SDRAM_CFG2; + + /* Issue PALL */ + sdram->ctrl = CFG_SDRAM_CTRL | 2; + + /* Issue LEMR */ + sdram->mode = CFG_SDRAM_EMOD; + sdram->mode = (CFG_SDRAM_MODE | 0x04000000); + + udelay(500); + + /* Issue PALL */ + sdram->ctrl = (CFG_SDRAM_CTRL | 2); + + /* Perform two refresh cycles */ + sdram->ctrl = CFG_SDRAM_CTRL | 4; + sdram->ctrl = CFG_SDRAM_CTRL | 4; + + sdram->mode = CFG_SDRAM_MODE; + + sdram->ctrl = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000c00; + + udelay(100); + + return dramsize; +}; + +int testdram(void) +{ + /* TODO: XXX XXX XXX */ + printf("DRAM test not implemented!\n"); + + return (0); +} + +#ifdef CFG_FLASH_CFI +void sync(void) +{ + /* This sync function is PowerPC intruction, + coldfire does not have this instruction. Dummy function */ +} +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) +#undef MII_DEBUG +#undef ET_DEBUG + +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + if (setclear) { + gpio->par_fec |= GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC; + gpio->par_feci2c |= + GPIO_PAR_FECI2C_MDC_EMDC | GPIO_PAR_FECI2C_MDIO_EMDIO; + } else { + gpio->par_fec &= ~(GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC); + gpio->par_feci2c &= + ~(GPIO_PAR_FECI2C_MDC_EMDC | GPIO_PAR_FECI2C_MDIO_EMDIO); + } + return 0; +} + +#if defined(CFG_DISCOVER_PHY) || (CONFIG_COMMANDS & CFG_CMD_MII) +#include <miiphy.h> + +/* Make MII read/write commands for the FEC. */ +#define mk_mii_read(ADDR, REG) (0x60020000 | ((ADDR << 23) | \ + (REG & 0x1f) << 18)) + +#define mk_mii_write(ADDR, REG, VAL) (0x50020000 | ((ADDR << 23) | \ + (REG & 0x1f) << 18) | \ + (VAL & 0xffff)) + +/* PHY identification */ +#define PHY_ID_LXT970 0x78100000 /* LXT970 */ +#define PHY_ID_LXT971 0x001378e0 /* LXT971 and 972 */ +#define PHY_ID_82555 0x02a80150 /* Intel 82555 */ +#define PHY_ID_QS6612 0x01814400 /* QS6612 */ +#define PHY_ID_AMD79C784 0x00225610 /* AMD 79C784 */ +#define PHY_ID_LSI80225 0x0016f870 /* LSI 80225 */ +#define PHY_ID_LSI80225B 0x0016f880 /* LSI 80225/B */ +#define PHY_ID_DP83848VV 0x20005C90 /* National 83848 */ +#define PHY_ID_DP83849 0x20005CA2 /* National 82849 */ + +#define STR_ID_LXT970 "LXT970" +#define STR_ID_LXT971 "LXT971" +#define STR_ID_82555 "Intel82555" +#define STR_ID_QS6612 "QS6612" +#define STR_ID_AMD79C784 "AMD79C784" +#define STR_ID_LSI80225 "LSI80225" +#define STR_ID_LSI80225B "LSI80225/B" +#define STR_ID_DP83848VV "N83848" +#define STR_ID_DP83849 "N83849" + +/**************************************************************************** + * mii_init -- Initialize the MII for MII command without ethernet + * This function is a subset of eth_init + **************************************************************************** + */ +void mii_reset(struct fec_info_s *info) +{ + volatile fec_t *fecp = (fec_t *) (info->miibase); + int i; + + fecp->ecr = FEC_ECR_RESET; + for (i = 0; (fecp->ecr & FEC_ECR_RESET) && (i < FEC_RESET_DELAY); ++i) { + udelay(1); + } + if (i == FEC_RESET_DELAY) { + printf("FEC_RESET_DELAY timeout\n"); + } +} + +/* send command to phy using mii, wait for result */ +uint mii_send(uint mii_cmd) +{ + struct fec_info_s *info; + struct eth_device *dev; + volatile fec_t *ep; + uint mii_reply; + int j = 0; + + /* retrieve from register structure */ + dev = eth_get_dev(); + info = dev->priv; + + ep = (fec_t *) info->miibase; + + ep->mmfr = mii_cmd; /* command to phy */ + + /* wait for mii complete */ + while (!(ep->eir & FEC_EIR_MII) && (j < MCFFEC_TOUT_LOOP)) { + udelay(1); + j++; + } + if (j >= MCFFEC_TOUT_LOOP) { + printf("MII not complete\n"); + return -1; + } + + mii_reply = ep->mmfr; /* result from phy */ + ep->eir = FEC_EIR_MII; /* clear MII complete */ +#ifdef ET_DEBUG + printf("%s[%d] %s: sent=0x%8.8x, reply=0x%8.8x\n", + __FILE__, __LINE__, __FUNCTION__, mii_cmd, mii_reply); +#endif + + return (mii_reply & 0xffff); /* data read from phy */ +} +#endif /* CFG_DISCOVER_PHY || (CONFIG_COMMANDS & CFG_CMD_MII) */ + +#if defined(CFG_DISCOVER_PHY) +int mii_discover_phy(struct eth_device *dev) +{ +#define MAX_PHY_PASSES 11 + struct fec_info_s *info = dev->priv; + int phyaddr, pass; + uint phyno, phytype; + + if (info->phyname_init) + return info->phy_addr; + + phyaddr = -1; /* didn't find a PHY yet */ + for (pass = 1; pass <= MAX_PHY_PASSES && phyaddr < 0; ++pass) { + if (pass > 1) { + /* PHY may need more time to recover from reset. + * The LXT970 needs 50ms typical, no maximum is + * specified, so wait 10ms before try again. + * With 11 passes this gives it 100ms to wake up. + */ + udelay(10000); /* wait 10ms */ + } + + for (phyno = 0; phyno < 32 && phyaddr < 0; ++phyno) { + + phytype = mii_send(mk_mii_read(phyno, PHY_PHYIDR1)); +#ifdef ET_DEBUG + printf("PHY type 0x%x pass %d type\n", phytype, pass); +#endif + if (phytype != 0xffff) { + phyaddr = phyno; + phytype <<= 16; + phytype |= + mii_send(mk_mii_read(phyno, PHY_PHYIDR2)); + + switch (phytype & 0xffffffff) { + case PHY_ID_DP83848VV: + strcpy(info->phy_name, + STR_ID_DP83848VV); + info->phyname_init = 1; + break; + default: + strcpy(info->phy_name, "unknown"); + info->phyname_init = 1; + break; + } + +#ifdef ET_DEBUG + printf("PHY @ 0x%x pass %d type ", phyno, pass); + switch (phytype & 0xffffffff) { + case PHY_ID_DP83848VV: + printf(STR_ID_DP83848VV); + break; + default: + printf("0x%08x\n", phytype); + break; + } +#endif + } + } + } + if (phyaddr < 0) + printf("No PHY device found.\n"); + + return phyaddr; +} +#endif /* CFG_DISCOVER_PHY */ + +void mii_init(void) +{ + volatile fec_t *fecp; + struct fec_info_s *info; + struct eth_device *dev; + int miispd = 0, i = 0; + u16 autoneg = 0; + + /* retrieve from register structure */ + dev = eth_get_dev(); + info = dev->priv; + + fecp = (fec_t *) info->miibase; + + fecpin_setclear(dev, 1); + + mii_reset(info); + + /* We use strictly polling mode only */ + fecp->eimr = 0; + + /* Clear any pending interrupt */ + fecp->eir = 0xffffffff; + + /* Set MII speed */ + miispd = (gd->bus_clk / 1000000) / 5; + fecp->mscr = miispd << 1; + + info->phy_addr = mii_discover_phy(dev); + +#define AUTONEGLINK (PHY_BMSR_AUTN_COMP | PHY_BMSR_LS) + while (i < MCFFEC_TOUT_LOOP) { + autoneg = 0; + miiphy_read(dev->name, info->phy_addr, PHY_BMSR, &autoneg); + i++; + + if ((autoneg & AUTONEGLINK) == AUTONEGLINK) + break; + + udelay(500); + } + if (i >= MCFFEC_TOUT_LOOP) { + printf("Auto Negotiation not complete\n"); + } + + /* adapt to the half/full speed settings */ + info->dup_spd = miiphy_duplex(dev->name, info->phy_addr) << 16; + info->dup_spd |= miiphy_speed(dev->name, info->phy_addr); +} + +/***************************************************************************** + * Read and write a MII PHY register, routines used by MII Utilities + * + * FIXME: These routines are expected to return 0 on success, but mii_send + * does _not_ return an error code. Maybe 0xFFFF means error, i.e. + * no PHY connected... + * For now always return 0. + * FIXME: These routines only work after calling eth_init() at least once! + * Otherwise they hang in mii_send() !!! Sorry! + *****************************************************************************/ + +int mcffec_miiphy_read(char *devname, unsigned char addr, + unsigned char reg, unsigned short *value) +{ + short rdreg; /* register working value */ + +#ifdef MII_DEBUG + printf("miiphy_read(0x%x) @ 0x%x = ", reg, addr); +#endif + rdreg = mii_send(mk_mii_read(addr, reg)); + + *value = rdreg; + +#ifdef MII_DEBUG + printf("0x%04x\n", *value); +#endif + + return 0; +} + +int mcffec_miiphy_write(char *devname, unsigned char addr, + unsigned char reg, unsigned short value) +{ + short rdreg; /* register working value */ + +#ifdef MII_DEBUG + printf("miiphy_write(0x%x) @ 0x%x = ", reg, addr); +#endif + + rdreg = mii_send(mk_mii_write(addr, reg, value)); + +#ifdef MII_DEBUG + printf("0x%04x\n", value); +#endif + + return 0; +} + +#endif /* CFG_CMD_NET, FEC_ENET & NET_MULTI */ diff --git a/board/freescale/m5329evb/u-boot.lds b/board/freescale/m5329evb/u-boot.lds new file mode 100644 index 0000000..9b994a0 --- /dev/null +++ b/board/freescale/m5329evb/u-boot.lds @@ -0,0 +1,144 @@ +/* + * (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 + */ + +OUTPUT_ARCH(m68k) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/mcf532x/start.o (.text) + lib_m68k/traps.o (.text) + lib_m68k/interrupts.o (.text) + common/dlmalloc.o (.text) + lib_generic/zlib.o (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/environment.o (.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + + .reloc : + { + __got_start = .; + *(.got) + __got_end = .; + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + _sbss = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + _end = . ; + PROVIDE (end = .); +} |