diff options
Diffstat (limited to 'board/emk/common')
-rw-r--r-- | board/emk/common/am79c874.c | 13 | ||||
-rw-r--r-- | board/emk/common/flash.c | 575 | ||||
-rw-r--r-- | board/emk/common/vpd.c | 63 |
3 files changed, 0 insertions, 651 deletions
diff --git a/board/emk/common/am79c874.c b/board/emk/common/am79c874.c deleted file mode 100644 index b3840a2..0000000 --- a/board/emk/common/am79c874.c +++ /dev/null @@ -1,13 +0,0 @@ -/* - * (C) Copyright 2003 - * Reinhard Meyer, EMK Elektronik GmbH, r.meyer@emk-elektronik.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> - -/***************************************************************************** - * check fiber optic link present, and then copper link present. do auto switch - * between both - *****************************************************************************/ diff --git a/board/emk/common/flash.c b/board/emk/common/flash.c deleted file mode 100644 index ae5777c..0000000 --- a/board/emk/common/flash.c +++ /dev/null @@ -1,575 +0,0 @@ -/* - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2003 - * Reinhard Meyer, EMK Elektronik GmbH, r.meyer@emk-elektronik.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -#if defined (CONFIG_TOP860) - typedef unsigned short FLASH_PORT_WIDTH; - typedef volatile unsigned short FLASH_PORT_WIDTHV; - #define FLASH_ID_MASK 0xFF - - #define FPW FLASH_PORT_WIDTH - #define FPWV FLASH_PORT_WIDTHV - - #define FLASH_CYCLE1 0x0555 - #define FLASH_CYCLE2 0x02aa - #define FLASH_ID1 0 - #define FLASH_ID2 1 - #define FLASH_ID3 0x0e - #define FLASH_ID4 0x0F -#endif - -#if defined (CONFIG_TOP5200) && !defined (CONFIG_LITE5200) - typedef unsigned char FLASH_PORT_WIDTH; - typedef volatile unsigned char FLASH_PORT_WIDTHV; - #define FLASH_ID_MASK 0xFF - - #define FPW FLASH_PORT_WIDTH - #define FPWV FLASH_PORT_WIDTHV - - #define FLASH_CYCLE1 0x0aaa - #define FLASH_CYCLE2 0x0555 - #define FLASH_ID1 0 - #define FLASH_ID2 2 - #define FLASH_ID3 0x1c - #define FLASH_ID4 0x1E -#endif - -#if defined (CONFIG_TOP5200) && defined (CONFIG_LITE5200) - typedef unsigned char FLASH_PORT_WIDTH; - typedef volatile unsigned char FLASH_PORT_WIDTHV; - #define FLASH_ID_MASK 0xFF - - #define FPW FLASH_PORT_WIDTH - #define FPWV FLASH_PORT_WIDTHV - - #define FLASH_CYCLE1 0x0555 - #define FLASH_CYCLE2 0x02aa - #define FLASH_ID1 0 - #define FLASH_ID2 1 - #define FLASH_ID3 0x0E - #define FLASH_ID4 0x0F -#endif - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size(FPWV *addr, flash_info_t *info); -static void flash_reset(flash_info_t *info); -static int write_word_amd(flash_info_t *info, FPWV *dest, FPW data); -flash_info_t *flash_get_info(ulong base); - -/*----------------------------------------------------------------------- - * flash_init() - * - * sets up flash_info and returns size of FLASH (bytes) - */ -unsigned long flash_init (void) -{ - unsigned long size = 0; - int i = 0; - extern void flash_preinit(void); - extern void flash_afterinit(uint, ulong, ulong); - ulong flashbase = CONFIG_SYS_FLASH_BASE; - - flash_preinit(); - - /* There is only ONE FLASH device */ - memset(&flash_info[i], 0, sizeof(flash_info_t)); - flash_info[i].size = - flash_get_size((FPW *)flashbase, &flash_info[i]); - size += flash_info[i].size; - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE - /* monitor protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - flash_get_info(CONFIG_SYS_MONITOR_BASE)); -#endif - -#ifdef CONFIG_ENV_IS_IN_FLASH - /* ENV protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR+CONFIG_ENV_SIZE-1, - flash_get_info(CONFIG_ENV_ADDR)); -#endif - - - flash_afterinit(i, flash_info[i].start[0], flash_info[i].size); - return size ? size : 1; -} - -/*----------------------------------------------------------------------- - */ -static void flash_reset(flash_info_t *info) -{ - FPWV *base = (FPWV *)(info->start[0]); - - /* Put FLASH back in read mode */ - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) - *base = (FPW)0x00FF00FF; /* Intel Read Mode */ - else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) - *base = (FPW)0x00F000F0; /* AMD Read Mode */ -} - -/*----------------------------------------------------------------------- - */ - -flash_info_t *flash_get_info(ulong base) -{ - int i; - flash_info_t * info; - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i ++) { - info = & flash_info[i]; - if (info->size && - info->start[0] <= base && base <= info->start[0] + info->size - 1) - break; - } - - return i == CONFIG_SYS_MAX_FLASH_BANKS ? 0 : info; -} - -/*----------------------------------------------------------------------- - */ - -void flash_print_info (flash_info_t *info) -{ - int i; - uchar *boottype; - uchar *bootletter; - char *fmt; - uchar botbootletter[] = "B"; - uchar topbootletter[] = "T"; - uchar botboottype[] = "bottom boot sector"; - uchar topboottype[] = "top boot sector"; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_AMD: printf ("AMD "); break; -#if 0 - case FLASH_MAN_BM: printf ("BRIGHT MICRO "); break; - case FLASH_MAN_FUJ: printf ("FUJITSU "); break; - case FLASH_MAN_SST: printf ("SST "); break; - case FLASH_MAN_STM: printf ("STM "); break; - case FLASH_MAN_INTEL: printf ("INTEL "); break; -#endif - default: printf ("Unknown Vendor "); break; - } - - /* check for top or bottom boot, if it applies */ - if (info->flash_id & FLASH_BTYPE) { - boottype = botboottype; - bootletter = botbootletter; - } - else { - boottype = topboottype; - bootletter = topbootletter; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_AM160T: - case FLASH_AM160B: - fmt = "29LV160%s (16 Mbit, %s)\n"; - break; - case FLASH_AMLV640U: - fmt = "29LV640M (64 Mbit)\n"; - break; - case FLASH_AMDLV065D: - fmt = "29LV065D (64 Mbit)\n"; - break; - case FLASH_AMLV256U: - fmt = "29LV256M (256 Mbit)\n"; - break; - default: - fmt = "Unknown Chip Type\n"; - break; - } - - printf (fmt, bootletter, boottype); - - 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) { - ulong size; - int erased; - ulong *flash = (unsigned long *) info->start[i]; - - if ((i % 5) == 0) { - printf ("\n "); - } - - /* - * Check if whole sector is erased - */ - size = - (i != (info->sector_count - 1)) ? - (info->start[i + 1] - info->start[i]) >> 2 : - (info->start[0] + info->size - info->start[i]) >> 2; - - for ( - flash = (unsigned long *) info->start[i], erased = 1; - (flash != (unsigned long *) info->start[i] + size) && erased; - flash++ - ) - erased = *flash == ~0x0UL; - - printf (" %08lX %s %s", - info->start[i], - erased ? "E": " ", - info->protect[i] ? "(RO)" : " "); - } - - printf ("\n"); -} - -/*----------------------------------------------------------------------- - */ - -/* - * The following code cannot be run from FLASH! - */ - -ulong flash_get_size (FPWV *addr, flash_info_t *info) -{ - int i; - - /* Write auto select command: read Manufacturer ID */ - /* Write auto select command sequence and test FLASH answer */ - addr[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* for AMD, Intel ignores this */ - addr[FLASH_CYCLE2] = (FPW)0x00550055; /* for AMD, Intel ignores this */ - addr[FLASH_CYCLE1] = (FPW)0x00900090; /* selects Intel or AMD */ - - /* The manufacturer codes are only 1 byte, so just use 1 byte. - * This works for any bus width and any FLASH device width. - */ - udelay(100); - switch (addr[FLASH_ID1] & 0xff) { - - case (uchar)AMD_MANUFACT: - info->flash_id = FLASH_MAN_AMD; - break; - -#if 0 - case (uchar)INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; -#endif - - default: - printf ("unknown vendor=%x ", addr[FLASH_ID1] & 0xff); - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - break; - } - - /* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */ - if (info->flash_id != FLASH_UNKNOWN) switch ((FPW)addr[FLASH_ID2]) { - - case (FPW)AMD_ID_LV160B: - info->flash_id += FLASH_AM160B; - info->sector_count = 35; - info->size = 0x00200000; - info->start[0] = (ulong)addr; - info->start[1] = (ulong)addr + 0x4000; - info->start[2] = (ulong)addr + 0x6000; - info->start[3] = (ulong)addr + 0x8000; - for (i = 4; i < info->sector_count; i++) - { - info->start[i] = (ulong)addr + 0x10000 * (i-3); - } - break; - - case (FPW)AMD_ID_LV065D: - info->flash_id += FLASH_AMDLV065D; - info->sector_count = 128; - info->size = 0x00800000; - for (i = 0; i < info->sector_count; i++) - { - info->start[i] = (ulong)addr + 0x10000 * i; - } - break; - - case (FPW)AMD_ID_MIRROR: - /* MIRROR BIT FLASH, read more ID bytes */ - if ((FPW)addr[FLASH_ID3] == (FPW)AMD_ID_LV640U_2 && - (FPW)addr[FLASH_ID4] == (FPW)AMD_ID_LV640U_3) - { - info->flash_id += FLASH_AMLV640U; - info->sector_count = 128; - info->size = 0x00800000; - for (i = 0; i < info->sector_count; i++) - { - info->start[i] = (ulong)addr + 0x10000 * i; - } - break; - } - if ((FPW)addr[FLASH_ID3] == (FPW)AMD_ID_LV256U_2 && - (FPW)addr[FLASH_ID4] == (FPW)AMD_ID_LV256U_3) - { - /* attention: only the first 16 MB will be used in u-boot */ - info->flash_id += FLASH_AMLV256U; - info->sector_count = 256; - info->size = 0x01000000; - for (i = 0; i < info->sector_count; i++) - { - info->start[i] = (ulong)addr + 0x10000 * i; - } - break; - } - - /* fall thru to here ! */ - default: - printf ("unknown AMD device=%x %x %x", - (FPW)addr[FLASH_ID2], - (FPW)addr[FLASH_ID3], - (FPW)addr[FLASH_ID4]); - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0x800000; - break; - } - - /* Put FLASH back in read mode */ - flash_reset(info); - - return (info->size); -} - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - FPWV *addr; - int flag, prot, sect; - int intel = (info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL; - ulong start, now, 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; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_AM160B: - case FLASH_AMLV640U: - break; - case FLASH_UNKNOWN: - default: - 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"); - } - - last = get_timer(0); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last && rcode == 0; sect++) { - - if (info->protect[sect] != 0) /* protected, skip it */ - continue; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - addr = (FPWV *)(info->start[sect]); - if (intel) { - *addr = (FPW)0x00500050; /* clear status register */ - *addr = (FPW)0x00200020; /* erase setup */ - *addr = (FPW)0x00D000D0; /* erase confirm */ - } - else { - /* must be AMD style if not Intel */ - FPWV *base; /* first address in bank */ - - base = (FPWV *)(info->start[0]); - base[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* unlock */ - base[FLASH_CYCLE2] = (FPW)0x00550055; /* unlock */ - base[FLASH_CYCLE1] = (FPW)0x00800080; /* erase mode */ - base[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* unlock */ - base[FLASH_CYCLE2] = (FPW)0x00550055; /* unlock */ - *addr = (FPW)0x00300030; /* erase sector */ - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - start = get_timer(0); - - /* wait at least 50us for AMD, 80us for Intel. - * Let's wait 1 ms. - */ - udelay (1000); - - while ((*addr & (FPW)0x00800080) != (FPW)0x00800080) { - if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - - if (intel) { - /* suspend erase */ - *addr = (FPW)0x00B000B0; - } - - flash_reset(info); /* reset to read mode */ - rcode = 1; /* failed */ - break; - } - - /* show that we're waiting */ - if ((get_timer(last)) > CONFIG_SYS_HZ) {/* every second */ - putc ('.'); - last = get_timer(0); - } - } - - /* show that we're waiting */ - if ((get_timer(last)) > CONFIG_SYS_HZ) { /* every second */ - putc ('.'); - last = get_timer(0); - } - - flash_reset(info); /* reset to read mode */ - } - - printf (" done\n"); - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - FPW data = 0; /* 16 or 32 bit word, matches flash bus width on MPC8XX */ - int bytes; /* number of bytes to program in current word */ - int left; /* number of bytes left to program */ - int i, res; - - for (left = cnt, res = 0; - left > 0 && res == 0; - addr += sizeof(data), left -= sizeof(data) - bytes) { - - bytes = addr & (sizeof(data) - 1); - addr &= ~(sizeof(data) - 1); - - /* combine source and destination data so can program - * an entire word of 16 or 32 bits - */ - for (i = 0; i < sizeof(data); i++) { - data <<= 8; - if (i < bytes || i - bytes >= left ) - data += *((uchar *)addr + i); - else - data += *src++; - } - - /* write one word to the flash */ - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_AMD: - res = write_word_amd(info, (FPWV *)addr, data); - break; - default: - /* unknown flash type, error! */ - printf ("missing or unknown FLASH type\n"); - res = 1; /* not really a timeout, but gives error */ - break; - } - } - - return (res); -} - -/*----------------------------------------------------------------------- - * Write a word to Flash for AMD FLASH - * A word is 16 or 32 bits, whichever the bus width of the flash bank - * (not an individual chip) is. - * - * returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_word_amd (flash_info_t *info, FPWV *dest, FPW data) -{ - ulong start; - int flag; - int res = 0; /* result, assume success */ - FPWV *base; /* first address in flash bank */ - - /* Check if Flash is (sufficiently) erased */ - if ((*dest & data) != data) { - return (2); - } - - - base = (FPWV *)(info->start[0]); - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - base[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* unlock */ - base[FLASH_CYCLE2] = (FPW)0x00550055; /* unlock */ - base[FLASH_CYCLE1] = (FPW)0x00A000A0; /* selects program mode */ - - *dest = data; /* start programming the data */ - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - start = get_timer (0); - - /* data polling for D7 */ - while (res == 0 && (*dest & (FPW)0x00800080) != (data & (FPW)0x00800080)) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *dest = (FPW)0x00F000F0; /* reset bank */ - res = 1; - } - } - - return (res); -} diff --git a/board/emk/common/vpd.c b/board/emk/common/vpd.c deleted file mode 100644 index d9af92a..0000000 --- a/board/emk/common/vpd.c +++ /dev/null @@ -1,63 +0,0 @@ -/* - * (C) Copyright 2003 - * Reinhard Meyer, EMK Elektronik GmbH, r.meyer@emk-elektronik.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> - -/***************************************************************************** - * read "factory" part of EEPROM and set some environment variables - *****************************************************************************/ -void read_factory_r (void) -{ - /* read 'factory' part of EEPROM */ - uchar buf[81]; - uchar *p; - uint length; - uint addr; - uint len; - - /* get length first */ - addr = CONFIG_SYS_FACT_OFFSET; - if (eeprom_read (CONFIG_SYS_I2C_FACT_ADDR, addr, buf, 2)) { - bailout: - printf ("cannot read factory configuration\n"); - printf ("be sure to set ethaddr yourself!\n"); - return; - } - length = buf[0] + (buf[1] << 8); - addr += 2; - - /* sanity check */ - if (length < 20 || length > CONFIG_SYS_FACT_SIZE - 2) - goto bailout; - - /* read lines */ - while (length > 0) { - /* read one line */ - len = length > 80 ? 80 : length; - if (eeprom_read (CONFIG_SYS_I2C_FACT_ADDR, addr, buf, len)) - goto bailout; - /* mark end of buffer */ - buf[len] = 0; - /* search end of line */ - for (p = buf; *p && *p != 0x0a; p++); - if (!*p) - goto bailout; - *p++ = 0; - /* advance to next line start */ - length -= p - buf; - addr += p - buf; - /*printf ("%s\n", buf); */ - /* search for our specific entry */ - if (!strncmp ((char *) buf, "[RLA/lan/Ethernet] ", 19)) { - setenv ("ethaddr", (char *)(buf + 19)); - } else if (!strncmp ((char *) buf, "[BOARD/SERIAL] ", 15)) { - setenv ("serial#", (char *)(buf + 15)); - } else if (!strncmp ((char *) buf, "[BOARD/TYPE] ", 13)) { - setenv ("board_id", (char *)(buf + 13)); - } - } -} |