diff options
Diffstat (limited to 'board/esd/cpci2dp')
-rw-r--r-- | board/esd/cpci2dp/Makefile | 46 | ||||
-rw-r--r-- | board/esd/cpci2dp/config.mk | 28 | ||||
-rw-r--r-- | board/esd/cpci2dp/cpci2dp.c | 215 | ||||
-rw-r--r-- | board/esd/cpci2dp/flash.c | 84 | ||||
-rw-r--r-- | board/esd/cpci2dp/u-boot.lds | 149 |
5 files changed, 522 insertions, 0 deletions
diff --git a/board/esd/cpci2dp/Makefile b/board/esd/cpci2dp/Makefile new file mode 100644 index 0000000..b067432 --- /dev/null +++ b/board/esd/cpci2dp/Makefile @@ -0,0 +1,46 @@ +# +# (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 +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS = $(BOARD).o flash.o ../common/misc.o + +$(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 $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/board/esd/cpci2dp/config.mk b/board/esd/cpci2dp/config.mk new file mode 100644 index 0000000..2da4c9f --- /dev/null +++ b/board/esd/cpci2dp/config.mk @@ -0,0 +1,28 @@ +# +# (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 +# + +# +# esd CPCI2DP board +# + +TEXT_BASE = 0xFFFC0000 diff --git a/board/esd/cpci2dp/cpci2dp.c b/board/esd/cpci2dp/cpci2dp.c new file mode 100644 index 0000000..0949a7d --- /dev/null +++ b/board/esd/cpci2dp/cpci2dp.c @@ -0,0 +1,215 @@ +/* + * (C) Copyright 2005 + * Matthias Fuchs, esd gmbh germany, matthias.fuchs@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 <asm/processor.h> +#include <command.h> +#include <malloc.h> + +int board_early_init_f (void) +{ + unsigned long cntrl0Reg; + + /* + * Setup GPIO pins (CS4 as GPIO) + */ + cntrl0Reg = mfdcr(cntrl0); + mtdcr(cntrl0, cntrl0Reg | 0x00800000); + + out32(GPIO0_OR, CFG_INTA_FAKE | CFG_EEPROM_WP); /* set output pins to high */ + out32(GPIO0_ODR, CFG_INTA_FAKE); /* INTA# is open drain */ + out32(GPIO0_TCR, CFG_INTA_FAKE | CFG_EEPROM_WP); /* setup for output */ + + /* + * IRQ 0-15 405GP internally generated; active high; level sensitive + * IRQ 16 405GP internally generated; active low; level sensitive + * IRQ 17-24 RESERVED + * IRQ 25 (EXT IRQ 0) PB0; active low; level sensitive + * IRQ 26 (EXT IRQ 1) PB1; active low; level sensitive + * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive + * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive + * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive + * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive + * IRQ 31 (EXT IRQ 6) unused + */ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicer, 0x00000000); /* disable all ints */ + mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/ + mtdcr(uicpr, 0xFFFFFF81); /* set int polarities */ + + mtdcr(uictr, 0x10000000); /* set int trigger levels */ + mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + + return 0; +} + + +int misc_init_f (void) +{ + return 0; /* dummy implementation */ +} + + +int misc_init_r (void) +{ + DECLARE_GLOBAL_DATA_PTR; + unsigned long cntrl0Reg; + + /* adjust flash start and offset */ + gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; + gd->bd->bi_flashoffset = 0; + + /* + * Select cts (and not dsr) on uart1 + */ + cntrl0Reg = mfdcr(cntrl0); + mtdcr(cntrl0, cntrl0Reg | 0x00001000); + + return (0); +} + + +/* + * Check Board Identity: + */ +int checkboard (void) +{ + unsigned char str[64]; + int i = getenv_r ("serial#", str, sizeof(str)); + + puts ("Board: "); + + if (i == -1) { + puts ("### No HW ID - assuming CPCI2DP"); + } else { + puts(str); + } + + printf(" (Ver 1.0)"); + + putc ('\n'); + + return 0; +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ + unsigned long val; + + mtdcr(memcfga, mem_mb0cf); + val = mfdcr(memcfgd); + + return (4*1024*1024 << ((val & 0x000e0000) >> 17)); +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ + /* TODO: XXX XXX XXX */ + printf ("test: 64 MB - ok\n"); + + return (0); +} + +/* ------------------------------------------------------------------------- */ + +#if defined(CFG_EEPROM_WREN) +/* Input: <dev_addr> I2C address of EEPROM device to enable. + * <state> -1: deliver current state + * 0: disable write + * 1: enable write + * Returns: -1: wrong device address + * 0: dis-/en- able done + * 0/1: current state if <state> was -1. + */ +int eeprom_write_enable (unsigned dev_addr, int state) { + if (CFG_I2C_EEPROM_ADDR != dev_addr) { + return -1; + } + else { + switch (state) { + case 1: + /* Enable write access, clear bit GPIO_SINT2. */ + out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_EEPROM_WP); + state = 0; + break; + case 0: + /* Disable write access, set bit GPIO_SINT2. */ + out32(GPIO0_OR, in32(GPIO0_OR) | CFG_EEPROM_WP); + state = 0; + break; + default: + /* Read current status back. */ + state = (0 == (in32(GPIO0_OR) & CFG_EEPROM_WP)); + break; + } + } + return state; +} +#endif + +#if defined(CFG_EEPROM_WREN) +int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int query = argc == 1; + int state = 0; + + if (query) { + /* Query write access state. */ + state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, -1); + if (state < 0) { + puts ("Query of write access state failed.\n"); + } + else { + printf ("Write access for device 0x%0x is %sabled.\n", + CFG_I2C_EEPROM_ADDR, state ? "en" : "dis"); + state = 0; + } + } + else { + if ('0' == argv[1][0]) { + /* Disable write access. */ + state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, 0); + } + else { + /* Enable write access. */ + state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, 1); + } + if (state < 0) { + puts ("Setup of write access state failed.\n"); + } + } + + return state; +} + +U_BOOT_CMD( + eepwren, 2, 0, do_eep_wren, + "eepwren - Enable / disable / query EEPROM write access\n", + NULL + ); +#endif /* #if defined(CFG_EEPROM_WREN) */ diff --git a/board/esd/cpci2dp/flash.c b/board/esd/cpci2dp/flash.c new file mode 100644 index 0000000..de847f9 --- /dev/null +++ b/board/esd/cpci2dp/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, + -monitor_flash_len, + 0xffffffff, + &flash_info[0]); + + flash_info[0].size = size_b0; + + return (size_b0); +} diff --git a/board/esd/cpci2dp/u-boot.lds b/board/esd/cpci2dp/u-boot.lds new file mode 100644 index 0000000..e672d08 --- /dev/null +++ b/board/esd/cpci2dp/u-boot.lds @@ -0,0 +1,149 @@ +/* + * (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(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 +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + /* 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/ppc4xx/start.o (.text) + cpu/ppc4xx/traps.o (.text) + cpu/ppc4xx/interrupts.o (.text) + cpu/ppc4xx/serial.o (.text) + cpu/ppc4xx/cpu_init.o (.text) + cpu/ppc4xx/speed.o (.text) + common/dlmalloc.o (.text) + lib_generic/crc32.o (.text) + lib_ppc/extable.o (.text) + lib_generic/zlib.o (.text) + +/* . = env_offset;*/ +/* common/environment.o(.text)*/ + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _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(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} |