diff options
Diffstat (limited to 'board/esd')
-rw-r--r-- | board/esd/ar405/flash.c | 126 | ||||
-rw-r--r-- | board/esd/canbt/flash.c | 84 | ||||
-rw-r--r-- | board/esd/cpciiser4/flash.c | 84 | ||||
-rw-r--r-- | board/esd/dasa_sim/eeprom.c | 181 |
4 files changed, 475 insertions, 0 deletions
diff --git a/board/esd/ar405/flash.c b/board/esd/ar405/flash.c new file mode 100644 index 0000000..4fa6b27 --- /dev/null +++ b/board/esd/ar405/flash.c @@ -0,0 +1,126 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 <ppc4xx.h> +#include <asm/processor.h> + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long *addr, flash_info_t *info); +static void flash_get_offsets (ulong base, flash_info_t *info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0, size_b1; + int i; + uint pbcr; + unsigned long base_b0, base_b1; + + /* Init: no FLASHes known */ + for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + + base_b0 = FLASH_BASE0_PRELIM; + size_b0 = flash_get_size((vu_long *)base_b0, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0<<20); + } + + base_b1 = FLASH_BASE1_PRELIM; + size_b1 = flash_get_size((vu_long *)base_b1, &flash_info[1]); + + /* Re-do sizing to get full correct info */ + + if (size_b1) + { + mtdcr(ebccfga, pb0cr); + pbcr = mfdcr(ebccfgd); + mtdcr(ebccfga, pb0cr); + base_b1 = -size_b1; + pbcr = (pbcr & 0x0001ffff) | base_b1 | (((size_b1/1024/1024)-1)<<17); + mtdcr(ebccfgd, pbcr); + /* printf("pb1cr = %x\n", pbcr); */ + } + + if (size_b0) + { + mtdcr(ebccfga, pb1cr); + pbcr = mfdcr(ebccfgd); + mtdcr(ebccfga, pb1cr); + base_b0 = base_b1 - size_b0; + pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17); + mtdcr(ebccfgd, pbcr); + /* printf("pb0cr = %x\n", pbcr); */ + } + + size_b0 = flash_get_size((vu_long *)base_b0, &flash_info[0]); + + flash_get_offsets (base_b0, &flash_info[0]); + + /* monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + base_b0+size_b0-CFG_MONITOR_LEN, + base_b0+size_b0-1, + &flash_info[0]); + + if (size_b1) { + /* Re-do sizing to get full correct info */ + size_b1 = flash_get_size((vu_long *)base_b1, &flash_info[1]); + + flash_get_offsets (base_b1, &flash_info[1]); + + /* monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + base_b1+size_b1-CFG_MONITOR_LEN, + base_b1+size_b1-1, + &flash_info[1]); + /* monitor protection OFF by default (one is enough) */ + (void)flash_protect(FLAG_PROTECT_CLEAR, + base_b0+size_b0-CFG_MONITOR_LEN, + base_b0+size_b0-1, + &flash_info[0]); + } else { + flash_info[1].flash_id = FLASH_UNKNOWN; + flash_info[1].sector_count = -1; + } + + flash_info[0].size = size_b0; + flash_info[1].size = size_b1; + + return (size_b0 + size_b1); +} diff --git a/board/esd/canbt/flash.c b/board/esd/canbt/flash.c new file mode 100644 index 0000000..214948f --- /dev/null +++ b/board/esd/canbt/flash.c @@ -0,0 +1,84 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 <ppc4xx.h> +#include <asm/processor.h> + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long *addr, flash_info_t *info); +static void flash_get_offsets (ulong base, flash_info_t *info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0; + int i; + uint pbcr; + unsigned long base_b0; + + /* Init: no FLASHes known */ + for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + + size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0<<20); + } + + /* Setup offsets */ + flash_get_offsets (-size_b0, &flash_info[0]); + + /* Re-do sizing to get full correct info */ + mtdcr(ebccfga, pb0cr); + pbcr = mfdcr(ebccfgd); + mtdcr(ebccfga, pb0cr); + base_b0 = -size_b0; + pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17); + mtdcr(ebccfgd, pbcr); + /* printf("pb1cr = %x\n", pbcr); */ + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + -CFG_MONITOR_LEN, + 0xffffffff, + &flash_info[0]); + + flash_info[0].size = size_b0; + + return (size_b0); +} diff --git a/board/esd/cpciiser4/flash.c b/board/esd/cpciiser4/flash.c new file mode 100644 index 0000000..214948f --- /dev/null +++ b/board/esd/cpciiser4/flash.c @@ -0,0 +1,84 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 <ppc4xx.h> +#include <asm/processor.h> + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long *addr, flash_info_t *info); +static void flash_get_offsets (ulong base, flash_info_t *info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0; + int i; + uint pbcr; + unsigned long base_b0; + + /* Init: no FLASHes known */ + for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + + size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0<<20); + } + + /* Setup offsets */ + flash_get_offsets (-size_b0, &flash_info[0]); + + /* Re-do sizing to get full correct info */ + mtdcr(ebccfga, pb0cr); + pbcr = mfdcr(ebccfgd); + mtdcr(ebccfga, pb0cr); + base_b0 = -size_b0; + pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17); + mtdcr(ebccfgd, pbcr); + /* printf("pb1cr = %x\n", pbcr); */ + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + -CFG_MONITOR_LEN, + 0xffffffff, + &flash_info[0]); + + flash_info[0].size = size_b0; + + return (size_b0); +} diff --git a/board/esd/dasa_sim/eeprom.c b/board/esd/dasa_sim/eeprom.c new file mode 100644 index 0000000..59ef1d6 --- /dev/null +++ b/board/esd/dasa_sim/eeprom.c @@ -0,0 +1,181 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 <command.h> + + +#define EEPROM_CAP 0x50000358 +#define EEPROM_DATA 0x5000035c + + +unsigned int eepromReadLong(int offs) +{ + unsigned int value; + volatile unsigned short ret; + int count; + + *(unsigned short *)EEPROM_CAP = offs; + + count = 0; + + for (;;) + { + count++; + ret = *(unsigned short *)EEPROM_CAP; + + if ((ret & 0x8000) != 0) + break; + } + + value = *(unsigned long *)EEPROM_DATA; + + return value; +} + + +unsigned char eepromReadByte(int offs) +{ + unsigned int valueLong; + unsigned char *ptr; + + valueLong = eepromReadLong(offs & ~3); + ptr = (unsigned char *)&valueLong; + + return ptr[offs & 3]; +} + + +void eepromWriteLong(int offs, unsigned int value) +{ + volatile unsigned short ret; + int count; + + count = 0; + + *(unsigned long *)EEPROM_DATA = value; + *(unsigned short *)EEPROM_CAP = 0x8000 + offs; + + for (;;) + { + count++; + ret = *(unsigned short *)EEPROM_CAP; + + if ((ret & 0x8000) == 0) + break; + } +} + + +void eepromWriteByte(int offs, unsigned char valueByte) +{ + unsigned int valueLong; + unsigned char *ptr; + + valueLong = eepromReadLong(offs & ~3); + ptr = (unsigned char *)&valueLong; + + ptr[offs & 3] = valueByte; + + eepromWriteLong(offs & ~3, valueLong); +} + + +void i2c_read (uchar *addr, int alen, uchar *buffer, int len) +{ + int i; + int len2, ptr; + + /* printf("\naddr=%x alen=%x buffer=%x len=%x", addr[0], addr[1], *(short *)addr, alen, buffer, len); // test-only */ + + ptr = *(short *)addr; + + /* + * Read till lword boundary + */ + len2 = 4 - (*(short *)addr & 0x0003); + for (i=0; i<len2; i++) + { + *buffer++ = eepromReadByte(ptr++); + } + + /* + * Read all lwords + */ + len2 = (len - len2) >> 2; + for (i=0; i<len2; i++) + { + *(unsigned int *)buffer = eepromReadLong(ptr); + buffer += 4; + ptr += 4; + } + + /* + * Read last bytes + */ + len2 = (*(short *)addr + len) & 0x0003; + for (i=0; i<len2; i++) + { + *buffer++ = eepromReadByte(ptr++); + } +} + +void i2c_write (uchar *addr, int alen, uchar *buffer, int len) +{ + int i; + int len2, ptr; + + /* printf("\naddr=%x alen=%x buffer=%x len=%x", addr[0], addr[1], *(short *)addr, alen, buffer, len); // test-only */ + + ptr = *(short *)addr; + + /* + * Write till lword boundary + */ + len2 = 4 - (*(short *)addr & 0x0003); + for (i=0; i<len2; i++) + { + eepromWriteByte(ptr++, *buffer++); + } + + /* + * Write all lwords + */ + len2 = (len - len2) >> 2; + for (i=0; i<len2; i++) + { + eepromWriteLong(ptr, *(unsigned int *)buffer); + buffer += 4; + ptr += 4; + } + + /* + * Write last bytes + */ + len2 = (*(short *)addr + len) & 0x0003; + for (i=0; i<len2; i++) + { + eepromWriteByte(ptr++, *buffer++); + } +} |