diff options
Diffstat (limited to 'board/xes/xpedite1000')
| -rw-r--r-- | board/xes/xpedite1000/Makefile | 51 | ||||
| -rw-r--r-- | board/xes/xpedite1000/config.mk | 42 | ||||
| -rw-r--r-- | board/xes/xpedite1000/init.S | 93 | ||||
| -rw-r--r-- | board/xes/xpedite1000/u-boot.lds | 152 | ||||
| -rw-r--r-- | board/xes/xpedite1000/u-boot.lds.debug | 141 | ||||
| -rw-r--r-- | board/xes/xpedite1000/xpedite1000.c | 244 |
6 files changed, 723 insertions, 0 deletions
diff --git a/board/xes/xpedite1000/Makefile b/board/xes/xpedite1000/Makefile new file mode 100644 index 0000000..b93f2c3 --- /dev/null +++ b/board/xes/xpedite1000/Makefile @@ -0,0 +1,51 @@ +# +# (C) Copyright 2002-2006 +# 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).a + +COBJS = $(BOARD).o +SOBJS = init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/xes/xpedite1000/config.mk b/board/xes/xpedite1000/config.mk new file mode 100644 index 0000000..33dfbf1 --- /dev/null +++ b/board/xes/xpedite1000/config.mk @@ -0,0 +1,42 @@ +# +# (C) Copyright 2002-2004 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# XES XPedite1000 PPC440GX +# + +ifeq ($(ramsym),1) +TEXT_BASE = 0x07FD0000 +else +TEXT_BASE = 0xFFF80000 +endif + +PLATFORM_CPPFLAGS += -DCONFIG_440=1 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif + +ifeq ($(dbcr),1) +PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000 +endif diff --git a/board/xes/xpedite1000/init.S b/board/xes/xpedite1000/init.S new file mode 100644 index 0000000..54371e2 --- /dev/null +++ b/board/xes/xpedite1000/init.S @@ -0,0 +1,93 @@ +/* +* Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.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 <ppc_asm.tmpl> +#include <config.h> + +/* General */ +#define TLB_VALID 0x00000200 + +/* Supported page sizes */ +#define SZ_1K 0x00000000 +#define SZ_4K 0x00000010 +#define SZ_16K 0x00000020 +#define SZ_64K 0x00000030 +#define SZ_256K 0x00000040 +#define SZ_1M 0x00000050 +#define SZ_16M 0x00000070 +#define SZ_256M 0x00000090 + +/* Storage attributes */ +#define SA_W 0x00000800 /* Write-through */ +#define SA_I 0x00000400 /* Caching inhibited */ +#define SA_M 0x00000200 /* Memory coherence */ +#define SA_G 0x00000100 /* Guarded */ +#define SA_E 0x00000080 /* Endian */ + +/* Access control */ +#define AC_X 0x00000024 /* Execute */ +#define AC_W 0x00000012 /* Write */ +#define AC_R 0x00000009 /* Read */ + +/* Some handy macros */ +#define EPN(e) ((e) & 0xfffffc00) +#define TLB0(epn,sz) ((EPN((epn)) | (sz) | TLB_VALID )) +#define TLB1(rpn,erpn) (((rpn)&0xfffffc00) | (erpn)) +#define TLB2(a) ((a)&0x00000fbf) + +#define tlbtab_start \ + mflr r1; \ + bl 0f; + +#define tlbtab_end \ + .long 0, 0, 0; \ +0: mflr r0; \ + mtlr r1; \ + blr; + +#define tlbentry(epn,sz,rpn,erpn,attr)\ + .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr) + + +/* + * TLB TABLE + * + * This table is used by the cpu boot code to setup the initial tlb + * entries. Rather than make broad assumptions in the cpu source tree, + * this table lets each board set things up however they like. + * + * Pointer to the table is returned in r1 + */ + + .section .bootpg,"ax" + .globl tlbtab + +tlbtab: + tlbtab_start + tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) + tlbentry( CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I) + tlbentry( CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I) + tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CONFIG_SYS_SDRAM_BASE+0x10000000, SZ_256M, 0x10000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_R|AC_W|SA_G|SA_I ) + tlbtab_end diff --git a/board/xes/xpedite1000/u-boot.lds b/board/xes/xpedite1000/u-boot.lds new file mode 100644 index 0000000..46b52fc --- /dev/null +++ b/board/xes/xpedite1000/u-boot.lds @@ -0,0 +1,152 @@ +/* + * (C) Copyright 2002-2004 + * 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) +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + .bootpg 0xFFFFF000 : + { + cpu/ppc4xx/start.o (.bootpg) + } = 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) + board/xes/xpedite1000/init.o (.text) + cpu/ppc4xx/kgdb.o (.text) + cpu/ppc4xx/traps.o (.text) + cpu/ppc4xx/interrupts.o (.text) + cpu/ppc4xx/4xx_uart.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) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.eh_frame) + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + .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 (NOLOAD) : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + } + _end = . ; + PROVIDE (end = .); +} diff --git a/board/xes/xpedite1000/u-boot.lds.debug b/board/xes/xpedite1000/u-boot.lds.debug new file mode 100644 index 0000000..68cd72d --- /dev/null +++ b/board/xes/xpedite1000/u-boot.lds.debug @@ -0,0 +1,141 @@ +/* + * (C) Copyright 2002-2004 + * 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) +/* 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/ppc4xx/start.o (.text) + board/xes/xpedite1000/init.o (.text) + cpu/ppc4xx/kgdb.o (.text) + cpu/ppc4xx/traps.o (.text) + cpu/ppc4xx/interrupts.o (.text) + cpu/ppc4xx/4xx_uart.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) + +/* common/env_embedded.o(.text) */ + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.eh_frame) + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _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 = .); +} diff --git a/board/xes/xpedite1000/xpedite1000.c b/board/xes/xpedite1000/xpedite1000.c new file mode 100644 index 0000000..4529b7e --- /dev/null +++ b/board/xes/xpedite1000/xpedite1000.c @@ -0,0 +1,244 @@ +/* + * Copyright (C) 2003 Travis B. Sawyer <travis.sawyer@sandburst.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 <spd_sdram.h> +#include <i2c.h> +#include <net.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + unsigned long sdrreg; + + /* + * Enable GPIO for pins 18 - 24 + * 18 = SEEPROM_WP + * 19 = #M_RST + * 20 = #MONARCH + * 21 = #LED_ALARM + * 22 = #LED_ACT + * 23 = #LED_STATUS1 + * 24 = #LED_STATUS2 + */ + mfsdr(sdr_pfc0, sdrreg); + mtsdr(sdr_pfc0, (sdrreg & ~SDR0_PFC0_TRE_ENABLE) | 0x00003e00); + out32(CONFIG_SYS_GPIO_BASE + 0x018, (USR_LED0 | USR_LED1 | USR_LED2 | USR_LED3)); + LED0_OFF(); + LED1_OFF(); + LED2_OFF(); + LED3_OFF(); + + /* Setup the external bus controller/chip selects */ + mtebc(pb0ap, 0x04055200); /* 16MB Strata FLASH */ + mtebc(pb0cr, 0xff098000); /* BAS=0xff0 16MB R/W 8-bit */ + mtebc(pb1ap, 0x04055200); /* 512KB Socketed AMD FLASH */ + mtebc(pb1cr, 0xfe018000); /* BAS=0xfe0 1MB R/W 8-bit */ + mtebc(pb6ap, 0x05006400); /* 32-64MB AMD MirrorBit FLASH */ + mtebc(pb6cr, 0xf00da000); /* BAS=0xf00 64MB R/W i6-bit */ + mtebc(pb7ap, 0x05006400); /* 32-64MB AMD MirrorBit FLASH */ + mtebc(pb7cr, 0xf40da000); /* BAS=0xf40 64MB R/W 16-bit */ + + /* + * Setup the interrupt controller polarities, triggers, etc. + * + * Because of the interrupt handling rework to handle 440GX interrupts + * with the common code, we needed to change names of the UIC registers. + * Here the new relationship: + * + * U-Boot name 440GX name + * ----------------------- + * UIC0 UICB0 + * UIC1 UIC0 + * UIC2 UIC1 + * UIC3 UIC2 + */ + mtdcr(uic1sr, 0xffffffff); /* clear all */ + mtdcr(uic1er, 0x00000000); /* disable all */ + mtdcr(uic1cr, 0x00000003); /* SMI & UIC1 crit are critical */ + mtdcr(uic1pr, 0xfffffe00); /* per ref-board manual */ + mtdcr(uic1tr, 0x01c00000); /* per ref-board manual */ + mtdcr(uic1vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(uic1sr, 0xffffffff); /* clear all */ + + mtdcr(uic2sr, 0xffffffff); /* clear all */ + mtdcr(uic2er, 0x00000000); /* disable all */ + mtdcr(uic2cr, 0x00000000); /* all non-critical */ + mtdcr(uic2pr, 0xffffc0ff); /* per ref-board manual */ + mtdcr(uic2tr, 0x00ff8000); /* per ref-board manual */ + mtdcr(uic2vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(uic2sr, 0xffffffff); /* clear all */ + + mtdcr(uic3sr, 0xffffffff); /* clear all */ + mtdcr(uic3er, 0x00000000); /* disable all */ + mtdcr(uic3cr, 0x00000000); /* all non-critical */ + mtdcr(uic3pr, 0xffffffff); /* per ref-board manual */ + mtdcr(uic3tr, 0x00ff8c0f); /* per ref-board manual */ + mtdcr(uic3vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(uic3sr, 0xffffffff); /* clear all */ + + mtdcr(uic0sr, 0xfc000000); /* clear all */ + mtdcr(uic0er, 0x00000000); /* disable all */ + mtdcr(uic0cr, 0x00000000); /* all non-critical */ + mtdcr(uic0pr, 0xfc000000); /* */ + mtdcr(uic0tr, 0x00000000); /* */ + mtdcr(uic0vr, 0x00000001); /* */ + + LED0_ON(); + + return 0; +} + +int checkboard(void) +{ + char *s; + + printf("Board: X-ES %s PMC SBC\n", CONFIG_SYS_BOARD_NAME); + printf(" "); + s = getenv("board_rev"); + if (s) + printf("Rev %s, ", s); + s = getenv("serial#"); + if (s) + printf("Serial# %s, ", s); + s = getenv("board_cfg"); + if (s) + printf("Cfg %s", s); + printf("\n"); + + return 0; +} + +phys_size_t initdram(int board_type) +{ + return spd_sdram(); +} + +/* + * This routine is called just prior to registering the hose and gives + * the board the opportunity to check things. Returning a value of zero + * indicates that things are bad & PCI initialization should be aborted. + * + * Different boards may wish to customize the pci controller structure + * (add regions, override default access routines, etc) or perform + * certain pre-initialization actions. + */ + +#if defined(CONFIG_PCI) +int pci_pre_init(struct pci_controller * hose) +{ + unsigned long strap; + + /* See if we're supposed to setup the pci */ + mfsdr(sdr_sdstp1, strap); + if ((strap & 0x00010000) == 0) + return 0; + +#if defined(CONFIG_SYS_PCI_FORCE_PCI_CONV) + /* Setup System Device Register PCIX0_XCR */ + mfsdr(sdr_xcr, strap); + strap &= 0x0f000000; + mtsdr(sdr_xcr, strap); +#endif + + return 1; +} +#endif /* defined(CONFIG_PCI) */ + +#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) +/* + * The bootstrap configuration provides default settings for the pci + * inbound map (PIM). But the bootstrap config choices are limited and + * may not be sufficient for a given board. + */ +void pci_target_init(struct pci_controller * hose) +{ + /* Disable everything */ + out32r(PCIX0_PIM0SA, 0); + out32r(PCIX0_PIM1SA, 0); + out32r(PCIX0_PIM2SA, 0); + out32r(PCIX0_EROMBA, 0); /* disable expansion rom */ + + /* + * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping + * options to not support sizes such as 128/256 MB. + */ + out32r(PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE); + out32r(PCIX0_PIM0LAH, 0); + out32r(PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1); + + out32r(PCIX0_BAR0, 0); + + /* Program the board's subsystem id/vendor id */ + out16r(PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID); + out16r(PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID); + + out16r(PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY); +} +#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */ + +#if defined(CONFIG_PCI) +/* + * This routine is called to determine if a pci scan should be + * performed. With various hardware environments (especially cPCI and + * PPMC) it's insufficient to depend on the state of the arbiter enable + * bit in the strap register, or generic host/adapter assumptions. + * + * Rather than hard-code a bad assumption in the general 440 code, the + * 440 pci code requires the board to decide at runtime. + * + * Return 0 for adapter mode, non-zero for host (monarch) mode. + */ +int is_pci_host(struct pci_controller *hose) +{ + return ((in32(CONFIG_SYS_GPIO_BASE + 0x1C) & 0x00000800) == 0); +} +#endif /* defined(CONFIG_PCI) */ + +#ifdef CONFIG_POST +/* + * Returns 1 if keys pressed to start the power-on long-running tests + * Called from board_init_f(). + */ +int post_hotkeys_pressed(void) +{ + return ctrlc(); +} + +void post_word_store(ulong a) +{ + volatile ulong *save_addr = + (volatile ulong *)(CONFIG_SYS_POST_WORD_ADDR); + + *save_addr = a; +} + +ulong post_word_load(void) +{ + volatile ulong *save_addr = + (volatile ulong *)(CONFIG_SYS_POST_WORD_ADDR); + + return *save_addr; +} +#endif |