From 37a9b4d0b7457f6d1c1998fff2372b7f92bc1d8c Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Fri, 26 Aug 2011 02:25:44 +0000 Subject: ARM: remove broken "cmc_pu2" board Signed-off-by: Wolfgang Denk --- board/cmc_pu2/Makefile | 50 ---- board/cmc_pu2/cmc_pu2.c | 192 --------------- board/cmc_pu2/config.mk | 3 - board/cmc_pu2/flash.c | 469 ------------------------------------ board/cmc_pu2/load_sernum_ethaddr.c | 113 --------- 5 files changed, 827 deletions(-) delete mode 100644 board/cmc_pu2/Makefile delete mode 100644 board/cmc_pu2/cmc_pu2.c delete mode 100644 board/cmc_pu2/config.mk delete mode 100644 board/cmc_pu2/flash.c delete mode 100644 board/cmc_pu2/load_sernum_ethaddr.c (limited to 'board') diff --git a/board/cmc_pu2/Makefile b/board/cmc_pu2/Makefile deleted file mode 100644 index a60f2e9..0000000 --- a/board/cmc_pu2/Makefile +++ /dev/null @@ -1,50 +0,0 @@ -# -# (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 = $(obj)lib$(BOARD).o - -COBJS := cmc_pu2.o flash.o load_sernum_ethaddr.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(call cmd_link_o_target, $(OBJS) $(SOBJS)) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak $(obj).depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/cmc_pu2/cmc_pu2.c b/board/cmc_pu2/cmc_pu2.c deleted file mode 100644 index 0ac851c..0000000 --- a/board/cmc_pu2/cmc_pu2.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH - * Marius Groeger - * - * Modified for CMC_PU2 (removed Smart Media support) by Gary Jennejohn - * (2004) garyj@denx.de - * - * Modified for CMC_BASIC by Martin Krause (2005), TQ-Systems GmbH - * - * 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 -#include -#include -#include -#include -#if defined(CONFIG_DRIVER_ETHER) -#include -#include -#endif - -DECLARE_GLOBAL_DATA_PTR; - -/* ------------------------------------------------------------------------- */ -/* - * Miscelaneous platform dependent initialisations - */ -#define CMC_HP_BASIC 1 -#define CMC_PU2 2 -#define CMC_BASIC 4 - -int hw_detect (void); - -int board_init (void) -{ - AT91PS_PIO piob = AT91C_BASE_PIOB; - AT91PS_PIO pioc = AT91C_BASE_PIOC; - - /* Enable Ctrlc */ - console_init_f (); - - /* Correct IRDA resistor problem */ - /* Set PA23_TXD in Output */ - /* (AT91PS_PIO) AT91C_BASE_PIOA->PIO_OER = AT91C_PA23_TXD2; */ - - /* memory and cpu-speed are setup before relocation */ - /* so we do _nothing_ here */ - - /* PIOB and PIOC clock enabling */ - *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB; - *AT91C_PMC_PCER = 1 << AT91C_ID_PIOC; - - /* - * configure PC0-PC3 as input without pull ups, so RS485 driver enable - * (CMC-PU2) and digital outputs (CMC-BASIC) are deactivated. - */ - pioc->PIO_ODR = AT91C_PIO_PC0 | AT91C_PIO_PC1 | - AT91C_PIO_PC2 | AT91C_PIO_PC3; - pioc->PIO_PPUDR = AT91C_PIO_PC0 | AT91C_PIO_PC1 | - AT91C_PIO_PC2 | AT91C_PIO_PC3; - pioc->PIO_PER = AT91C_PIO_PC0 | AT91C_PIO_PC1 | - AT91C_PIO_PC2 | AT91C_PIO_PC3; - - /* - * On CMC-PU2 board configure PB3-PB6 to input without pull ups to - * clear the duo LEDs (the external pull downs assure a proper - * signal). On CMC-BASIC and CMC-HP-BASIC set PB3-PB6 to output and - * drive it high, to configure current measurement on AINx. - */ - if (hw_detect() & CMC_PU2) { - piob->PIO_ODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 | - AT91C_PIO_PB5 | AT91C_PIO_PB6; - } - else if ((hw_detect() & CMC_BASIC) || (hw_detect() & CMC_HP_BASIC)) { - piob->PIO_SODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 | - AT91C_PIO_PB5 | AT91C_PIO_PB6; - piob->PIO_OER = AT91C_PIO_PB3 | AT91C_PIO_PB4 | - AT91C_PIO_PB5 | AT91C_PIO_PB6; - } - piob->PIO_PPUDR = AT91C_PIO_PB3 | AT91C_PIO_PB4 | - AT91C_PIO_PB5 | AT91C_PIO_PB6; - piob->PIO_PER = AT91C_PIO_PB3 | AT91C_PIO_PB4 | - AT91C_PIO_PB5 | AT91C_PIO_PB6; - - /* - * arch number of CMC_PU2-Board. MACH_TYPE_CMC_PU2 is not supported in - * the linuxarm kernel, yet. - */ - /* gd->bd->bi_arch_number = MACH_TYPE_CMC_PU2; */ - gd->bd->bi_arch_number = 251; - /* adress of boot parameters */ - gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; - - return 0; -} - -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM; - gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; - return 0; -} - -int checkboard (void) -{ - if (hw_detect() & CMC_PU2) - puts ("Board: CMC-PU2 (Rittal GmbH)\n"); - else if (hw_detect() & CMC_BASIC) - puts ("Board: CMC-BASIC (Rittal GmbH)\n"); - else if (hw_detect() & CMC_HP_BASIC) - puts ("Board: CMC-HP-BASIC (Rittal GmbH)\n"); - else - puts ("Board: unknown\n"); - return 0; -} - -int hw_detect (void) -{ - AT91PS_PIO pio = AT91C_BASE_PIOB; - - /* PIOB clock enabling */ - *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB; - - /* configure PB12 as input without pull up */ - pio->PIO_ODR = AT91C_PIO_PB12; - pio->PIO_PPUDR = AT91C_PIO_PB12; - pio->PIO_PER = AT91C_PIO_PB12; - - /* configure PB13 as input without pull up */ - pio->PIO_ODR = AT91C_PIO_PB13; - pio->PIO_PPUDR = AT91C_PIO_PB13; - pio->PIO_PER = AT91C_PIO_PB13; - - /* read board identification pin */ - if (pio->PIO_PDSR & AT91C_PIO_PB12) - return ((pio->PIO_PDSR & AT91C_PIO_PB13) - ? CMC_PU2 : 0); - else - return ((pio->PIO_PDSR & AT91C_PIO_PB13) - ? CMC_HP_BASIC : CMC_BASIC); -} - -#ifdef CONFIG_DRIVER_ETHER -#if defined(CONFIG_CMD_NET) - -/* - * Name: - * at91rm9200_GetPhyInterface - * Description: - * Initialise the interface functions to the PHY - * Arguments: - * None - * Return value: - * None - */ -void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops) -{ - p_phyops->Init = dm9161_InitPhy; - p_phyops->IsPhyConnected = dm9161_IsPhyConnected; - p_phyops->GetLinkSpeed = dm9161_GetLinkSpeed; - p_phyops->AutoNegotiate = dm9161_AutoNegotiate; -} - -#endif -#endif /* CONFIG_DRIVER_ETHER */ - -#ifdef CONFIG_DRIVER_AT91EMAC -int board_eth_init(bd_t *bis) -{ - int rc = 0; - rc = at91emac_register(bis, 0); - return rc; -} -#endif diff --git a/board/cmc_pu2/config.mk b/board/cmc_pu2/config.mk deleted file mode 100644 index cdb8a5f..0000000 --- a/board/cmc_pu2/config.mk +++ /dev/null @@ -1,3 +0,0 @@ -CONFIG_SYS_TEXT_BASE = 0x20F00000 -## For testing: load at 0x20100000 and "go" at 0x201000A4 -#CONFIG_SYS_TEXT_BASE = 0x20100000 diff --git a/board/cmc_pu2/flash.c b/board/cmc_pu2/flash.c deleted file mode 100644 index d10faab..0000000 --- a/board/cmc_pu2/flash.c +++ /dev/null @@ -1,469 +0,0 @@ -/* - * (C) Copyright 2003-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2004 - * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de - * - * Modified for the CMC PU2 by (C) Copyright 2004 Gary Jennejohn - * garyj@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 - -#ifndef CONFIG_ENV_ADDR -#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) -#endif - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -#define FLASH_CYCLE1 0x0555 -#define FLASH_CYCLE2 0x02AA - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size(vu_short *addr, flash_info_t *info); -static void flash_reset(flash_info_t *info); -static int write_word_amd(flash_info_t *info, vu_short *dest, ushort data); -static 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; - ulong flashbase = CONFIG_SYS_FLASH_BASE; - - /* Init: no FLASHes known */ - memset(&flash_info[0], 0, sizeof(flash_info_t)); - - flash_info[0].size = flash_get_size((vu_short *)flashbase, &flash_info[0]); - - size = flash_info[0].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 - - return size ? size : 1; -} - -/*----------------------------------------------------------------------- - */ -static void flash_reset(flash_info_t *info) -{ - vu_short *base = (vu_short *)(info->start[0]); - - /* Put FLASH back in read mode */ - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) - *base = 0x00FF; /* Intel Read Mode */ - else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) - *base = 0x00F0; /* AMD Read Mode */ -} - -/*----------------------------------------------------------------------- - */ - -static flash_info_t *flash_get_info(ulong base) -{ - int i; - flash_info_t * info; - - info = NULL; - 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; - - 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; - 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; - default: printf ("Unknown Vendor "); break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_S29GL064M: - printf ("S29GL064M-R6 (64Mbit, uniform sector size)\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; isector_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! - */ - -ulong flash_get_size (vu_short *addr, flash_info_t *info) -{ - int i; - ushort value; - ulong base = (ulong)addr; - - /* Write auto select command sequence */ - addr[FLASH_CYCLE1] = 0x00AA; /* for AMD, Intel ignores this */ - addr[FLASH_CYCLE2] = 0x0055; /* for AMD, Intel ignores this */ - addr[FLASH_CYCLE1] = 0x0090; /* selects Intel or AMD */ - - /* read Manufacturer ID */ - udelay(100); - value = addr[0]; - debug ("Manufacturer ID: %04X\n", value); - - switch (value) { - - case (AMD_MANUFACT & 0xFFFF): - debug ("Manufacturer: AMD (Spansion)\n"); - info->flash_id = FLASH_MAN_AMD; - break; - - case (INTEL_MANUFACT & 0xFFFF): - debug ("Manufacturer: Intel (not supported yet)\n"); - info->flash_id = FLASH_MAN_INTEL; - break; - - default: - printf ("Unknown Manufacturer ID: %04X\n", value); - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - goto out; - } - - value = addr[1]; - debug ("Device ID: %04X\n", value); - - switch (addr[1]) { - - case (AMD_ID_MIRROR & 0xFFFF): - debug ("Mirror Bit flash: addr[14] = %08X addr[15] = %08X\n", - addr[14], addr[15]); - - switch(addr[14]) { - case (AMD_ID_GL064M_2 & 0xFFFF): - if (addr[15] != (AMD_ID_GL064M_3 & 0xffff)) { - printf ("Chip: S29GLxxxM -> unknown\n"); - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - } else { - debug ("Chip: S29GL064M-R6\n"); - info->flash_id += FLASH_S29GL064M; - info->sector_count = 128; - info->size = 0x00800000; - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base; - base += 0x10000; - } - } - break; /* => 16 MB */ - default: - printf ("Chip: *** unknown ***\n"); - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - break; - } - break; - - default: - printf ("Unknown Device ID: %04X\n", value); - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - break; - } - -out: - /* 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) -{ - vu_short *addr = (vu_short *)(info->start[0]); - int flag, prot, sect, ssect, l_sect; - ulong now, last, start; - - debug ("flash_erase: first: %d last: %d\n", s_first, s_last); - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - if ((info->flash_id == FLASH_UNKNOWN) || - (info->flash_id > FLASH_AMD_COMP)) { - printf ("Can't erase unknown flash type %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"); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - /* - * Start erase on unprotected sectors. - * Since the flash can erase multiple sectors with one command - * we take advantage of that by doing the erase in chunks of - * 3 sectors. - */ - for (sect = s_first; sect <= s_last; ) { - l_sect = -1; - - addr[FLASH_CYCLE1] = 0x00AA; - addr[FLASH_CYCLE2] = 0x0055; - addr[FLASH_CYCLE1] = 0x0080; - addr[FLASH_CYCLE1] = 0x00AA; - addr[FLASH_CYCLE2] = 0x0055; - - /* do the erase in chunks of at most 3 sectors */ - for (ssect = 0; ssect < 3; ssect++) { - if ((sect + ssect) > s_last) - break; - if (info->protect[sect + ssect] == 0) { /* not protected */ - addr = (vu_short *)(info->start[sect + ssect]); - addr[0] = 0x0030; - l_sect = sect + ssect; - } - } - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - /* - * We wait for the last triggered sector - */ - if (l_sect < 0) - goto DONE; - - start = get_timer(0); - last = 0; - addr = (vu_short *)(info->start[l_sect]); - while ((addr[0] & 0x0080) != 0x0080) { - if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - return 1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } - } - addr = (vu_short *)info->start[0]; - addr[0] = 0x00F0; /* reset bank */ - sect += ssect; - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - -DONE: - /* reset to read mode */ - addr = (vu_short *)info->start[0]; - addr[0] = 0x00F0; /* reset bank */ - - printf (" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong wp, data; - int rc; - - if (addr & 1) { - printf ("unaligned destination not supported\n"); - return ERR_ALIGN; - }; - - if ((int) src & 1) { - printf ("unaligned source not supported\n"); - return ERR_ALIGN; - }; - - wp = addr; - - while (cnt >= 2) { - data = *((vu_short *)src); - if ((rc = write_word_amd(info, (vu_short *)wp, data)) != 0) { -printf ("write_buff 1: write_word_amd() rc=%d\n", rc); - return (rc); - } - src += 2; - wp += 2; - cnt -= 2; - } - - if (cnt == 0) { - return (ERR_OK); - } - - if (cnt == 1) { - data = (*((volatile u8 *) src)) | (*((volatile u8 *) (wp + 1)) << 8); - if ((rc = write_word_amd(info, (vu_short *)wp, data)) != 0) { -printf ("write_buff 1: write_word_amd() rc=%d\n", rc); - return (rc); - } - src += 1; - wp += 1; - cnt -= 1; - } - - return ERR_OK; -} - -/*----------------------------------------------------------------------- - * 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, vu_short *dest, ushort data) -{ - int flag; - vu_short *base; /* first address in flash bank */ - ulong start; - - /* Check if Flash is (sufficiently) erased */ - if ((*dest & data) != data) { - return (2); - } - - base = (vu_short *)(info->start[0]); - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - base[FLASH_CYCLE1] = 0x00AA; /* unlock */ - base[FLASH_CYCLE2] = 0x0055; /* unlock */ - base[FLASH_CYCLE1] = 0x00A0; /* 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 ((*dest & 0x0080) != (data & 0x0080)) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *dest = 0x00F0; /* reset bank */ - return (1); - } - } - return (0); -} diff --git a/board/cmc_pu2/load_sernum_ethaddr.c b/board/cmc_pu2/load_sernum_ethaddr.c deleted file mode 100644 index 6f85dd9..0000000 --- a/board/cmc_pu2/load_sernum_ethaddr.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * (C) Copyright 2000, 2001, 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2005 - * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.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 - */ - -/* #define DEBUG */ - -#include -#include - -#define I2C_CHIP 0x50 /* I2C bus address of onboard EEPROM */ -#define I2C_ALEN 1 /* length of EEPROM addresses in bytes */ -#define I2C_OFFSET 0x0 /* start address of manufacturere data block - * in EEPROM */ - -/* 64 Byte manufacturer data block in EEPROM */ -struct manufacturer_data { - unsigned int serial_number; /* serial number (0...999999) */ - unsigned short hardware; /* hardware version (e.g. V1.02) */ - unsigned short manuf_date; /* manufacture date (e.g. 25/02) */ - unsigned char name[20]; /* device name (in CHIP.INI) */ - unsigned char macadr[6]; /* MAC address */ - signed char a_kal[4]; /* calibration value for U */ - signed char i_kal[4]; /* calibration value for I */ - unsigned char reserve[18]; /* reserved */ - unsigned short save_nr; /* save count */ - unsigned short chksum; /* checksum */ -}; - - -int i2c_read (unsigned char chip, unsigned int addr, int alen, - unsigned char *buffer, int len); - -/*----------------------------------------------------------------------- - * Process manufacturer data block in EEPROM: - * - * If we boot on a system fresh from factory, check if the manufacturer data - * in the EEPROM is valid and save some information it contains. - * - * CMC manufacturer data is defined as follows: - * - * - located in the onboard EEPROM - * - starts at offset 0x0 - * - size 0x00000040 - * - * Internal structure: see struct definition - */ - -int misc_init_r(void) -{ - struct manufacturer_data data; - char serial [9]; - unsigned short chksum; - unsigned char *p; - unsigned short i; - -#if !defined(CONFIG_HARD_I2C) && !defined(CONFIG_SOFT_I2C) -#error you must define some I2C support (CONFIG_HARD_I2C or CONFIG_SOFT_I2C) -#endif - if (i2c_read(I2C_CHIP, I2C_OFFSET, I2C_ALEN, (unsigned char *)&data, - sizeof(data)) != 0) { - puts ("Error reading manufacturer data from EEPROM\n"); - return -1; - } - - /* check if manufacturer data block is valid */ - p = (unsigned char *)&data; - chksum = 0; - for (i = 0; i < (sizeof(data) - sizeof(data.chksum)); i++) - chksum += *p++; - - debug ("checksum of manufacturer data block: %#.4x\n", chksum); - - if (chksum != data.chksum) { - puts ("Error: manufacturer data block has invalid checksum\n"); - return -1; - } - - /* copy serial number */ - sprintf (serial, "%d", data.serial_number); - - /* set serial# and ethaddr if not yet defined */ - if (getenv("serial#") == NULL) { - setenv ("serial#", serial); - } - - if (getenv("ethaddr") == NULL) { - eth_setenv_enetaddr("ethaddr", data.macadr); - } - - return 0; -} -- cgit v1.1