diff options
35 files changed, 6197 insertions, 21 deletions
@@ -1,6 +1,9 @@ ====================================================================== Changes for U-Boot 1.1.3: ====================================================================== +* Patch by Eran Liberty + Add support for the Freescale MPC8349ADS board. + * Patch by Jon Loeliger, 2005-07-25 Move the TSEC driver out of cpu/mpc85xx as it will be shared by the upcoming mpc83xx family as well. @@ -107,6 +107,15 @@ LIST_8260=" \ " ######################################################################### +## MPC83xx Systems (includes 8349, etc.) +######################################################################### + +LIST_83xx=" \ + MPC8349ADS \ +" + + +######################################################################### ## MPC85xx Systems (includes 8540, 8560 etc.) ######################################################################### @@ -133,6 +142,7 @@ LIST_7xx=" \ LIST_ppc="${LIST_5xx} ${LIST_5xxx} \ ${LIST_8xx} \ ${LIST_8220} ${LIST_824x} ${LIST_8260} \ + ${LIST_83xx} \ ${LIST_85xx} \ ${LIST_4xx} \ ${LIST_74xx} ${LIST_7xx}" @@ -250,7 +260,7 @@ build_target() { for arg in $@ do case "$arg" in - ppc|5xx|5xxx|8xx|8220|824x|8260|85xx|4xx|7xx|74xx| \ + ppc|5xx|5xxx|8xx|8220|824x|8260|83xx|85xx|4xx|7xx|74xx| \ arm|SA|ARM7|ARM9|ARM11|pxa|ixp| \ microblaze| \ mips| \ @@ -54,7 +54,7 @@ ifeq ($(HOSTARCH),ppc) CROSS_COMPILE = else ifeq ($(ARCH),ppc) -CROSS_COMPILE = ppc_8xx- +CROSS_COMPILE = powerpc-linux- endif ifeq ($(ARCH),arm) CROSS_COMPILE = arm-linux- @@ -97,6 +97,9 @@ endif ifeq ($(CPU),ppc4xx) OBJS += cpu/$(CPU)/resetvec.o endif +ifeq ($(CPU),mpc83xx) +OBJS += cpu/$(CPU)/resetvec.o +endif ifeq ($(CPU),mpc85xx) OBJS += cpu/$(CPU)/resetvec.o endif @@ -1181,6 +1184,13 @@ TASREG_config : unconfig @./mkconfig $(@:_config=) m68k mcf52x2 tasreg esd ######################################################################### +## MPC83xx Systems +######################################################################### + +MPC8349ADS_config: unconfig + @./mkconfig $(@:_config=) ppc mpc83xx mpc8349ads + +######################################################################### ## MPC85xx Systems ######################################################################### diff --git a/board/mpc8349ads/Makefile b/board/mpc8349ads/Makefile new file mode 100644 index 0000000..4327b0d --- /dev/null +++ b/board/mpc8349ads/Makefile @@ -0,0 +1,45 @@ +# +# Copyright 2004 Freescale Semiconductor, Inc. +# +# 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 := $(BOARD).o + +$(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 $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/mpc8349ads/config.mk b/board/mpc8349ads/config.mk new file mode 100644 index 0000000..4602169 --- /dev/null +++ b/board/mpc8349ads/config.mk @@ -0,0 +1,27 @@ +# +# Copyright 2004 Freescale Semiconductor, Inc. +# +# 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 +# + +# +# MPC83xxADS +# + +TEXT_BASE = 0xFE700000 diff --git a/board/mpc8349ads/mpc8349ads.c b/board/mpc8349ads/mpc8349ads.c new file mode 100644 index 0000000..40400f3 --- /dev/null +++ b/board/mpc8349ads/mpc8349ads.c @@ -0,0 +1,278 @@ +/* + * Copyright Freescale Semiconductor, Inc. + * + * 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 + * + * Change log: + * 20050101: Eran Liberty (liberty@freescale.com) + * Initial file creating (porting from 85XX & 8260) + */ + +#include <common.h> +#include <ioports.h> +#include <mpc83xx.h> +#include <asm/mpc8349_pci.h> +#include <i2c.h> +#include <spd.h> +#include <miiphy.h> +#if defined(CONFIG_PCI) +#include <pci.h> +#endif +#if defined(CONFIG_SPD_EEPROM) +#include <spd_sdram.h> +#endif +int fixed_sdram(void); +void sdram_init(void); + +int board_early_init_f (void) +{ + volatile u8* bcsr = (volatile u8*)CFG_BCSR; + + /* Enable flash write */ + bcsr[1] &= ~0x01; + + return 0; +} + + +#define ns2clk(ns) (ns / (1000000000 / CONFIG_8349_CLKIN) + 1) + + +long int initdram (int board_type) +{ + volatile immap_t *im = (immap_t *)CFG_IMMRBAR; + u32 msize = 0; + + if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im) + return -1; + + /* DDR SDRAM - Main SODIMM */ + im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR; +#if defined(CONFIG_SPD_EEPROM) + msize = spd_sdram(NULL); +#else + msize = fixed_sdram(); +#endif + /* + * Initialize SDRAM if it is on local bus. + */ + sdram_init(); + puts(" DDR RAM: "); + /* return total bus SDRAM size(bytes) -- DDR */ + return (msize * 1024 * 1024); +} + + +#if !defined(CONFIG_SPD_EEPROM) +/************************************************************************* + * fixed sdram init -- doesn't use serial presence detect. + ************************************************************************/ +int fixed_sdram(void) +{ + volatile immap_t *im = (immap_t *)CFG_IMMRBAR; + u32 msize = 0; + u32 ddr_size; + u32 ddr_size_log2; + + msize = CFG_DDR_SIZE; + for (ddr_size = msize << 20, ddr_size_log2 = 0; + (ddr_size > 1); + ddr_size = ddr_size>>1, ddr_size_log2++) { + if (ddr_size & 1) { + return -1; + } + } + im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE); +#if (CFG_DDR_SIZE != 256) +#warning Currenly any ddr size other than 256 is not supported +#endif + + im->ddr.csbnds[0].csbnds = 0x00100017; + im->ddr.csbnds[1].csbnds = 0x0018001f; + im->ddr.csbnds[2].csbnds = 0x00000007; + im->ddr.csbnds[3].csbnds = 0x0008000f; + im->ddr.cs_config[0] = CFG_DDR_CONFIG; + im->ddr.cs_config[1] = CFG_DDR_CONFIG; + im->ddr.cs_config[2] = CFG_DDR_CONFIG; + im->ddr.cs_config[3] = CFG_DDR_CONFIG; + im->ddr.timing_cfg_1 = + 3 << TIMING_CFG1_PRETOACT_SHIFT | + 7 << TIMING_CFG1_ACTTOPRE_SHIFT | + 3 << TIMING_CFG1_ACTTORW_SHIFT | + 4 << TIMING_CFG1_CASLAT_SHIFT | + 3 << TIMING_CFG1_REFREC_SHIFT | + 3 << TIMING_CFG1_WRREC_SHIFT | + 2 << TIMING_CFG1_ACTTOACT_SHIFT | + 1 << TIMING_CFG1_WRTORD_SHIFT; + im->ddr.timing_cfg_2 = 2 << TIMING_CFG2_WR_DATA_DELAY_SHIFT; + im->ddr.sdram_cfg = + SDRAM_CFG_SREN +#if defined(CONFIG_DDR_2T_TIMING) + | SDRAM_CFG_2T_EN +#endif + | 2 << SDRAM_CFG_SDRAM_TYPE_SHIFT; + im->ddr.sdram_mode = + 0x2000 << SDRAM_MODE_ESD_SHIFT | + 0x0162 << SDRAM_MODE_SD_SHIFT; + + im->ddr.sdram_interval = 0x045B << SDRAM_INTERVAL_REFINT_SHIFT | + 0x0100 << SDRAM_INTERVAL_BSTOPRE_SHIFT; + udelay(200); + + im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; + + return msize; +} +#endif/*!CFG_SPD_EEPROM*/ + + +int checkboard (void) +{ + puts("Board: Freescale MPC8349ADS\n"); + return 0; +} + +#if defined(CONFIG_PCI) //copy from mpc85xx +/* + * Initialize PCI Devices, report devices found + */ +#ifndef CONFIG_PCI_PNP +static struct pci_config_table pci_mpc83xxads_config_table[] = { + {PCI_ANY_ID,PCI_ANY_ID,PCI_ANY_ID,PCI_ANY_ID, + pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, + PCI_ENET0_MEMADDR, + PCI_COMMON_MEMORY | PCI_COMMAND_MASTER + } }, + {} +} +#endif + + +volatile static struct pci_controller hose[] = { + { +#ifndef CONFIG_PCI_PNP + config_table:pci_mpc83xxads_config_table, +#endif + }, + { +#ifndef CONFIG_PCI_PNP + config_table:pci_mpc83xxads_config_table, +#endif + } +}; +#endif /* CONFIG_PCI */ + + +void +pci_init_board(void) +{ +#ifdef CONFIG_PCI + extern void pci_mpc83xx_init(volatile struct pci_controller *hose); + + pci_mpc83xx_init(hose); +#endif /* CONFIG_PCI */ +} + +/* +if MPC8349ADS is soldered with SDRAM +*/ +#if defined(CFG_BR2_PRELIM) \ + && defined(CFG_OR2_PRELIM) \ + && defined(CFG_LBLAWBAR2_PRELIM) \ + && defined(CFG_LBLAWAR2_PRELIM) +/* + * Initialize SDRAM memory on the Local Bus. + */ + +void +sdram_init(void) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMRBAR; + volatile lbus8349_t *lbc= &immap->lbus; + uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE; + + + puts("\n SDRAM on Local Bus: "); + print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n"); + + /* + * Setup SDRAM Base and Option Registers, already done in cpu_init.c + */ + + /*setup mtrpt, lsrt and lbcr for LB bus*/ + lbc->lbcr = CFG_LBC_LBCR; + lbc->mrtpr = CFG_LBC_MRTPR; + lbc->lsrt = CFG_LBC_LSRT; + asm("sync"); + + /* + * Configure the SDRAM controller Machine Mode Register. + */ + lbc->lsdmr = CFG_LBC_LSDMR_5; /* 0x40636733; normal operation*/ + + lbc->lsdmr = CFG_LBC_LSDMR_1; /*0x68636733;precharge all the banks*/ + asm("sync"); + *sdram_addr = 0xff; + udelay(100); + + lbc->lsdmr = CFG_LBC_LSDMR_2;/*0x48636733;auto refresh*/ + asm("sync"); +/*1 times*/ + *sdram_addr = 0xff; + udelay(100); +/*2 times*/ + *sdram_addr = 0xff; + udelay(100); +/*3 times*/ + *sdram_addr = 0xff; + udelay(100); +/*4 times*/ + *sdram_addr = 0xff; + udelay(100); +/*5 times*/ + *sdram_addr = 0xff; + udelay(100); +/*6 times*/ + *sdram_addr = 0xff; + udelay(100); +/*7 times*/ + *sdram_addr = 0xff; + udelay(100); +/*8 times*/ + *sdram_addr = 0xff; + udelay(100); + + lbc->lsdmr = CFG_LBC_LSDMR_4; /*0x58636733;mode register write operation*/ + asm("sync"); + *sdram_addr = 0xff; + udelay(100); + + lbc->lsdmr = CFG_LBC_LSDMR_5; /*0x40636733;normal operation*/ + asm("sync"); + *sdram_addr = 0xff; + udelay(100); +} +#else +void +sdram_init(void) +{ + put("SDRAM on Local Bus is NOT available!\n"); +} +#endif + diff --git a/board/mpc8349ads/u-boot.lds b/board/mpc8349ads/u-boot.lds new file mode 100644 index 0000000..12c2d6f --- /dev/null +++ b/board/mpc8349ads/u-boot.lds @@ -0,0 +1,119 @@ +/* + * Copyright 2004 Freescale Semiconductor, Inc. + * + * 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) +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 : + { + cpu/mpc83xx/start.o (.text) + *(.text) + *(.fixup) + *(.got1) + . = ALIGN(16); + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .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(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} +ENTRY(_start) @@ -161,6 +161,10 @@ BFD_ROOT_DIR = /opt/powerpc endif endif +ifeq ($(PCI_CLOCK),PCI_66M) +CFLAGS := $(CFLAGS) -DPCI_66M +endif + ######################################################################### export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \ diff --git a/cpu/mpc83xx/Makefile b/cpu/mpc83xx/Makefile new file mode 100644 index 0000000..14574f4 --- /dev/null +++ b/cpu/mpc83xx/Makefile @@ -0,0 +1,53 @@ +# +# Copyright 2004 Freescale Semiconductor, Inc. +# +# 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 $(TOPDIR)/config.mk + +LIB = lib$(CPU).a + +START = start.o \ + resetvec.o + +COBJS = traps.o \ + cpu.o \ + cpu_init.o \ + speed.o \ + interrupts.o \ + pci.o \ + i2c.o \ + spd_sdram.o + +OBJS = $(COBJS) + +all: .depend $(START) $(LIB) + +$(LIB): $(OBJS) + $(AR) crv $@ $(OBJS) + +######################################################################### + +.depend: Makefile $(START:.o=.S) $(AOBJS:.o=.S) $(COBJS:.o=.c) + $(CC) -M $(CFLAGS) $(START:.o=.S) $(COBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/cpu/mpc83xx/config.mk b/cpu/mpc83xx/config.mk new file mode 100644 index 0000000..8b4ff92 --- /dev/null +++ b/cpu/mpc83xx/config.mk @@ -0,0 +1,26 @@ +# +# Copyright 2004 Freescale Semiconductor, Inc. +# +# 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 +# + +PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi + +PLATFORM_CPPFLAGS += -DCONFIG_MPC83XX -DCONFIG_E300 \ + -ffixed-r2 -ffixed-r29 -msoft-float diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c new file mode 100644 index 0000000..73d125a --- /dev/null +++ b/cpu/mpc83xx/cpu.c @@ -0,0 +1,145 @@ +/* + * Copyright 2004 Freescale Semiconductor, Inc. + * + * 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 + * + * Change log: + * + * 20050101: Eran Liberty (liberty@freescale.com) + * Initial file creating (porting from 85XX & 8260) + */ + +/* + * CPU specific code for the MPC83xx family. + * + * Derived from the MPC8260 and MPC85xx. + */ + +#include <common.h> +#include <watchdog.h> +#include <command.h> +#include <mpc83xx.h> +#include <asm/processor.h> + + +int checkcpu(void) +{ + DECLARE_GLOBAL_DATA_PTR; + ulong clock = gd->cpu_clk; + u32 pvr = get_pvr(); + char buf[32]; + + if ((pvr & 0xFFFF0000) != PVR_83xx) { + puts("Not MPC83xx Family!!!\n"); + return -1; + } + + puts("CPU: MPC83xx, "); + switch(pvr) { + case PVR_8349_REV10: + break; + case PVR_8349_REV11: + break; + default: + puts("Rev: Unknown\n"); + return -1; /* Not sure what this is */ + } + printf("Rev: %02x at %s MHz\n",pvr & 0x0000FFFF, strmhz(buf, clock)); + return 0; +} + + +void upmconfig (uint upm, uint *table, uint size) +{ + hang(); /* FIXME: upconfig() needed? */ +} + + +int +do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + ulong msr, addr; + + volatile immap_t *immap = (immap_t *) CFG_IMMRBAR; + +#ifdef MPC83xx_RESET + /* Interrupts and MMU off */ + __asm__ __volatile__ ("mfmsr %0":"=r" (msr):); + + msr &= ~( MSR_EE | MSR_IR | MSR_DR); + __asm__ __volatile__ ("mtmsr %0"::"r" (msr)); + + /* enable Reset Control Reg */ + immap->reset.rpr = 0x52535445; + + /* confirm Reset Control Reg is enabled */ + while(!((immap->reset.rcer) & RCER_CRE)); + + printf("Resetting the board."); + printf("\n"); + + udelay(200); + + /* perform reset, only one bit */ + immap->reset.rcr = RCR_SWHR; +#else + immap->reset.rmr = RMR_CSRE; /* Checkstop Reset enable */ + + /* Interrupts and MMU off */ + __asm__ __volatile__ ("mfmsr %0":"=r" (msr):); + + msr &= ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR); + __asm__ __volatile__ ("mtmsr %0"::"r" (msr)); + + /* + * Trying to execute the next instruction at a non-existing address + * should cause a machine check, resulting in reset + */ + addr = CFG_RESET_ADDRESS; + + printf("resetting the board."); + printf("\n"); + ((void (*)(void)) addr) (); +#endif + return 1; +} + + +/* + * Get timebase clock frequency (like cpu_clk in Hz) + */ + +unsigned long get_tbclk(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + ulong tbclk; + + tbclk = (gd->bus_clk + 3L) / 4L; + + return tbclk; +} + + +#if defined(CONFIG_WATCHDOG) +void watchdog_reset (void) +{ + hang(); /* FIXME: implement watchdog_reset()? */ +} +#endif /* CONFIG_WATCHDOG */ diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c new file mode 100644 index 0000000..7e80ced --- /dev/null +++ b/cpu/mpc83xx/cpu_init.c @@ -0,0 +1,164 @@ +/* + * Copyright 2004 Freescale Semiconductor, Inc. + * + * 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 + * + * Change log: + * + * 20050101: Eran Liberty (liberty@freescale.com) + * Initial file creating (porting from 85XX & 8260) + */ + +#include <common.h> +#include <mpc83xx.h> +#include <ioports.h> + +/* + * Breathe some life into the CPU... + * + * Set up the memory map, + * initialize a bunch of registers, + * initialize the UPM's + */ +void cpu_init_f (volatile immap_t * im) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* Pointer is writable since we allocated a register for it */ + gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET); + + /* Clear initial global data */ + memset ((void *) gd, 0, sizeof (gd_t)); + + /* RSR - Reset Status Register - clear all status (4.6.1.3) */ + gd->reset_status = im->reset.rsr; + im->reset.rsr = ~(RSR_RES); + + /* + * RMR - Reset Mode Register + * contains checkstop reset enable (4.6.1.4) + */ + im->reset.rmr = (RMR_CSRE & (1<<RMR_CSRE_SHIFT)); + + /* LCRR - Clock Ratio Register (10.3.1.16) */ + im->lbus.lcrr = CFG_LCRR; + + /* Enable Time Base & Decrimenter ( so we will have udelay() )*/ + im->sysconf.spcr |= SPCR_TBEN; + + /* System General Purpose Register */ + im->sysconf.sicrh = SICRH_TSOBI1; + im->sysconf.sicrl = SICRL_LDP_A; + + /* + * Memory Controller: + */ + + /* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary + * addresses - these have to be modified later when FLASH size + * has been determined + */ + +#if defined(CFG_BR0_PRELIM) \ + && defined(CFG_OR0_PRELIM) \ + && defined(CFG_LBLAWBAR0_PRELIM) \ + && defined(CFG_LBLAWAR0_PRELIM) + im->lbus.bank[0].br = CFG_BR0_PRELIM; + im->lbus.bank[0].or = CFG_OR0_PRELIM; + im->sysconf.lblaw[0].bar = CFG_LBLAWBAR0_PRELIM; + im->sysconf.lblaw[0].ar = CFG_LBLAWAR0_PRELIM; +#else +#error CFG_BR0_PRELIM, CFG_OR0_PRELIM, CFG_LBLAWBAR0_PRELIM & CFG_LBLAWAR0_PRELIM must be defined +#endif + +#if defined(CFG_BR1_PRELIM) \ + && defined(CFG_OR1_PRELIM) \ + && defined(CFG_LBLAWBAR1_PRELIM) \ + && defined(CFG_LBLAWAR1_PRELIM) + im->lbus.bank[1].br = CFG_BR1_PRELIM; + im->lbus.bank[1].or = CFG_OR1_PRELIM; + im->sysconf.lblaw[1].bar = CFG_LBLAWBAR1_PRELIM; + im->sysconf.lblaw[1].ar = CFG_LBLAWAR1_PRELIM; +#endif +#if defined(CFG_BR2_PRELIM) \ + && defined(CFG_OR2_PRELIM) \ + && defined(CFG_LBLAWBAR2_PRELIM) \ + && defined(CFG_LBLAWAR2_PRELIM) + im->lbus.bank[2].br = CFG_BR2_PRELIM; + im->lbus.bank[2].or = CFG_OR2_PRELIM; + im->sysconf.lblaw[2].bar = CFG_LBLAWBAR2_PRELIM; + im->sysconf.lblaw[2].ar = CFG_LBLAWAR2_PRELIM; +#endif +#if defined(CFG_BR3_PRELIM) \ + && defined(CFG_OR3_PRELIM) \ + && defined(CFG_LBLAWBAR3_PRELIM) \ + && defined(CFG_LBLAWAR3_PRELIM) + im->lbus.bank[3].br = CFG_BR3_PRELIM; + im->lbus.bank[3].or = CFG_OR3_PRELIM; + im->sysconf.lblaw[3].bar = CFG_LBLAWBAR3_PRELIM; + im->sysconf.lblaw[3].ar = CFG_LBLAWAR3_PRELIM; +#endif +#if defined(CFG_BR4_PRELIM) \ + && defined(CFG_OR4_PRELIM) \ + && defined(CFG_LBLAWBAR4_PRELIM) \ + && defined(CFG_LBLAWAR4_PRELIM) + im->lbus.bank[4].br = CFG_BR4_PRELIM; + im->lbus.bank[4].or = CFG_OR4_PRELIM; + im->sysconf.lblaw[4].bar = CFG_LBLAWBAR4_PRELIM; + im->sysconf.lblaw[4].ar = CFG_LBLAWAR4_PRELIM; +#endif +#if defined(CFG_BR5_PRELIM) \ + && defined(CFG_OR5_PRELIM) \ + && defined(CFG_LBLAWBAR5_PRELIM) \ + && defined(CFG_LBLAWAR5_PRELIM) + im->lbus.bank[5].br = CFG_BR5_PRELIM; + im->lbus.bank[5].or = CFG_OR5_PRELIM; + im->sysconf.lblaw[5].bar = CFG_LBLAWBAR5_PRELIM; + im->sysconf.lblaw[5].ar = CFG_LBLAWAR5_PRELIM; +#endif +#if defined(CFG_BR6_PRELIM) \ + && defined(CFG_OR6_PRELIM) \ + && defined(CFG_LBLAWBAR6_PRELIM) \ + && defined(CFG_LBLAWAR6_PRELIM) + im->lbus.bank[6].br = CFG_BR6_PRELIM; + im->lbus.bank[6].or = CFG_OR6_PRELIM; + im->sysconf.lblaw[6].bar = CFG_LBLAWBAR6_PRELIM; + im->sysconf.lblaw[6].ar = CFG_LBLAWAR6_PRELIM; +#endif +#if defined(CFG_BR7_PRELIM) \ + && defined(CFG_OR7_PRELIM) \ + && defined(CFG_LBLAWBAR7_PRELIM) \ + && defined(CFG_LBLAWAR7_PRELIM) + im->lbus.bank[7].br = CFG_BR7_PRELIM; + im->lbus.bank[7].or = CFG_OR7_PRELIM; + im->sysconf.lblaw[7].bar = CFG_LBLAWBAR7_PRELIM; + im->sysconf.lblaw[7].ar = CFG_LBLAWAR7_PRELIM; +#endif +} + + +/* + * Initialize higher level parts of CPU like time base and timers. + */ + +int cpu_init_r (void) +{ + return 0; +} + diff --git a/cpu/mpc83xx/i2c.c b/cpu/mpc83xx/i2c.c new file mode 100644 index 0000000..3db7d2c --- /dev/null +++ b/cpu/mpc83xx/i2c.c @@ -0,0 +1,251 @@ +/* + * (C) Copyright 2003,Motorola Inc. + * Xianghua Xiao <x.xiao@motorola.com> + * Adapted for Motorola 85xx chip. + * + * (C) Copyright 2003 + * Gleb Natapov <gnatapov@mrv.com> + * Some bits are taken from linux driver writen by adrian@humboldt.co.uk + * + * Hardware I2C driver for MPC107 PCI bridge. + * + * 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 + * + * Change log: + * + * 20050101: Eran Liberty (liberty@freescale.com) + * Initial file creating (porting from 85XX & 8260) + */ + +#include <common.h> +#include <command.h> +#include <asm/io.h> + +#ifdef CONFIG_HARD_I2C +#include <i2c.h> +#include <asm/i2c.h> + +#ifdef CONFIG_MPC8349ADS +i2c_t * mpc8349_i2c = (i2c_t*)(CFG_IMMRBAR + CFG_I2C_OFFSET); +#endif + +void +i2c_init(int speed, int slaveadd) +{ + /* stop I2C controller */ + writeb(0x00 , &I2C->cr); + + /* set clock */ + writeb(0x3f, &I2C->fdr); + + /* set default filter */ + writeb(0x10,&I2C->dfsrr); + + /* write slave address */ + writeb(slaveadd, &I2C->adr); + + /* clear status register */ + writeb(0x00, &I2C->sr); + + /* start I2C controller */ + writeb(I2C_CR_MEN, &I2C->cr); +} + +static __inline__ int +i2c_wait4bus (void) +{ + ulong timeval = get_timer (0); + while (readb(&I2C->sr) & I2C_SR_MBB) { + if (get_timer (timeval) > I2C_TIMEOUT) { + return -1; + } + } + return 0; +} + +static __inline__ int +i2c_wait (int write) +{ + u32 csr; + ulong timeval = get_timer(0); + do { + csr = readb(&I2C->sr); + + if (!(csr & I2C_SR_MIF)) + continue; + + writeb(0x0, &I2C->sr); + + if (csr & I2C_SR_MAL) { + debug("i2c_wait: MAL\n"); + return -1; + } + + if (!(csr & I2C_SR_MCF)) { + debug("i2c_wait: unfinished\n"); + return -1; + } + + if (write == I2C_WRITE && (csr & I2C_SR_RXAK)) { + debug("i2c_wait: No RXACK\n"); + return -1; + } + + return 0; + } while (get_timer (timeval) < I2C_TIMEOUT); + debug("i2c_wait: timed out\n"); +} + +static __inline__ int +i2c_write_addr (u8 dev, u8 dir, int rsta) +{ + writeb(I2C_CR_MEN | I2C_CR_MSTA | I2C_CR_MTX | + (rsta?I2C_CR_RSTA:0), + &I2C->cr); + + writeb((dev << 1) | dir, &I2C->dr); + + if (i2c_wait (I2C_WRITE) < 0) + return 0; + return 1; +} + +static __inline__ int +__i2c_write (u8 *data, int length) +{ + int i; + + writeb(I2C_CR_MEN | I2C_CR_MSTA | I2C_CR_MTX, + &I2C->cr); + + for (i=0; i < length; i++) { + writeb(data[i], &I2C->dr); + + if (i2c_wait (I2C_WRITE) < 0) + break; + } + return i; +} + +static __inline__ int +__i2c_read (u8 *data, int length) +{ + int i; + + writeb(I2C_CR_MEN | I2C_CR_MSTA | + ((length == 1) ? I2C_CR_TXAK : 0), + &I2C->cr); + + /* dummy read */ + readb(&I2C->dr); + + for (i=0; i < length; i++) { + if (i2c_wait (I2C_READ) < 0) + break; + + /* Generate ack on last next to last byte */ + if (i == length - 2) + writeb(I2C_CR_MEN | I2C_CR_MSTA | + I2C_CR_TXAK, + &I2C->cr); + + /* Generate stop on last byte */ + if (i == length - 1) + writeb(I2C_CR_MEN | I2C_CR_TXAK, &I2C->cr); + + data[i] = readb(&I2C->dr); + } + return i; +} + +int +i2c_read (u8 dev, uint addr, int alen, u8 *data, int length) +{ + int i = 0; + u8 *a = (u8*)&addr; + + if (i2c_wait4bus () < 0) + goto exit; + + if (i2c_write_addr (dev, I2C_WRITE, 0) == 0) + goto exit; + + if (__i2c_write (&a[4 - alen], alen) != alen) + goto exit; + + if (i2c_write_addr (dev, I2C_READ, 1) == 0) + goto exit; + + i = __i2c_read (data, length); + + exit: + writeb(I2C_CR_MEN, &I2C->cr); + return !(i == length); +} + +int +i2c_write (u8 dev, uint addr, int alen, u8 *data, int length) +{ + int i = 0; + u8 *a = (u8*)&addr; + + if (i2c_wait4bus () < 0) + goto exit; + + if (i2c_write_addr (dev, I2C_WRITE, 0) == 0) + goto exit; + + if (__i2c_write (&a[4 - alen], alen) != alen) + goto exit; + + i = __i2c_write (data, length); + + exit: + writeb(I2C_CR_MEN, &I2C->cr); + return !(i == length); +} + +int i2c_probe (uchar chip) +{ + int tmp; + + /* + * Try to read the first location of the chip. The underlying + * driver doesn't appear to support sending just the chip address + * and looking for an <ACK> back. + */ + udelay(10000); + return i2c_read (chip, 0, 1, (char *)&tmp, 1); +} + +uchar i2c_reg_read (uchar i2c_addr, uchar reg) +{ + char buf[1]; + + i2c_read (i2c_addr, reg, 1, buf, 1); + + return (buf[0]); +} + +void i2c_reg_write (uchar i2c_addr, uchar reg, uchar val) +{ + i2c_write (i2c_addr, reg, 1, &val, 1); +} + +#endif /* CONFIG_HARD_I2C */ diff --git a/cpu/mpc83xx/interrupts.c b/cpu/mpc83xx/interrupts.c new file mode 100644 index 0000000..53474f6 --- /dev/null +++ b/cpu/mpc83xx/interrupts.c @@ -0,0 +1,94 @@ +/* + * (C) Copyright 2000-2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright 2004 Freescale Semiconductor, Inc. + * + * 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 + * + * Change log: + * + * Hacked for MPC8260 by Murray.Jensen@cmst.csiro.au, 22-Oct-00 + * + * 20050101: Eran Liberty (liberty@freescale.com) + * Initial file creating (porting from 85XX & 8260) + */ + +#include <common.h> +#include <command.h> +#include <mpc83xx.h> +#include <asm/processor.h> + +struct irq_action { + interrupt_handler_t *handler; + void *arg; + ulong count; +}; + +int interrupt_init_cpu (unsigned *decrementer_count) +{ + return 0; +} + + +/* + * Handle external interrupts + */ + +void external_interrupt (struct pt_regs *regs) +{ +} + + +/* + * Install and free an interrupt handler. + */ + +void +irq_install_handler (int irq, interrupt_handler_t * handler, void *arg) +{ +} + + +void irq_free_handler (int irq) +{ +} + + +void timer_interrupt_cpu (struct pt_regs *regs) +{ + /* nothing to do here */ + return; +} + + +#if (CONFIG_COMMANDS & CFG_CMD_IRQ) + +/* ripped this out of ppc4xx/interrupts.c */ + +/* + * irqinfo - print information about PCI devices + */ + +void +do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) +{ +} + +#endif /* CONFIG_COMMANDS & CFG_CMD_IRQ */ diff --git a/cpu/mpc83xx/pci.c b/cpu/mpc83xx/pci.c new file mode 100644 index 0000000..d9daa3e --- /dev/null +++ b/cpu/mpc83xx/pci.c @@ -0,0 +1,253 @@ +/* + * Copyright 2004 Freescale Semiconductor. + * Copyright (C) 2003 Motorola Inc. + * Xianghua Xiao (x.xiao@motorola.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 + * + * Change log: + * + * 20050101: Eran Liberty (liberty@freescale.com) + * Initial file creating (porting from 85XX & 8260) + */ + +/* + * PCI Configuration space access support for MPC85xx PCI Bridge + */ +#include <asm/mmu.h> +#include <asm/io.h> +#include <common.h> +#include <pci.h> + +#ifdef CONFIG_MPC8349ADS +#include <asm/i2c.h> +#endif + +#if defined(CONFIG_PCI) + +void +pci_mpc83xx_init(volatile struct pci_controller *hose) +{ + volatile immap_t * immr; + volatile clk8349_t * clk; + volatile law8349_t * pci_law; + volatile pot8349_t * pci_pot; + volatile pcictrl8349_t * pci_ctrl; + volatile pciconf8349_t * pci_conf; + + u8 val8,tmp8,ret; + u16 reg16,tmp16; + u32 val32,tmp32; + + immr = (immap_t *)CFG_IMMRBAR; + clk = (clk8349_t *)&immr->clk; + pci_law = immr->sysconf.pcilaw; + pci_pot = immr->ios.pot; + pci_ctrl = immr->pci_ctrl; + pci_conf = immr->pci_conf; + + /* + * Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode + */ + val32 = clk->occr; + udelay(2000); + clk->occr = 0xff000000; + udelay(2000); + + /* + * Configure PCI Local Access Windows + */ + pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR; + pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G; + pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR; + pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_32M; + + /* + * Configure PCI Outbound Translation Windows + */ + pci_pot[0].potar = (CFG_PCI1_MEM_BASE >> 12) & POTAR_TA_MASK; + pci_pot[0].pobar = (CFG_PCI1_MEM_PHYS >> 12) & POBAR_BA_MASK; + pci_pot[0].pocmr = POCMR_EN | (POCMR_CM_512M & POCMR_CM_MASK); + + /* mapped to PCI1 IO space 0x0 to local 0xe2000000 */ + pci_pot[1].potar = (CFG_PCI1_IO_BASE >> 12) & POTAR_TA_MASK; + pci_pot[1].pobar = (CFG_PCI1_IO_PHYS >> 12) & POBAR_BA_MASK; + pci_pot[1].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK); +//#if defined(CONFIG_PCI_2) + pci_pot[3].potar = (CFG_PCI2_MEM_BASE >> 12) & POTAR_TA_MASK; + pci_pot[3].pobar = (CFG_PCI2_MEM_PHYS >> 12) & POBAR_BA_MASK; + pci_pot[3].pocmr = POCMR_EN | POCMR_DST | (POCMR_CM_512M & POCMR_CM_MASK); + + /* mapped to PCI2 IO space 0x0 to local 0xe3000000 */ + pci_pot[4].potar = (CFG_PCI2_IO_BASE >> 12) & POTAR_TA_MASK; + pci_pot[4].pobar = (CFG_PCI2_IO_PHYS >> 12) & POBAR_BA_MASK; + pci_pot[4].pocmr = POCMR_EN | POCMR_DST | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK); +//#endif + + /* + * Configure PCI Inbound Translation Windows + */ + pci_ctrl[0].pitar1 = 0x0; + pci_ctrl[0].pibar1 = 0x0; + pci_ctrl[0].piebar1 = 0x0; + pci_ctrl[0].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_2G; + + pci_ctrl[1].pitar1 = 0x0; + pci_ctrl[1].pibar1 = 0x0; + pci_ctrl[1].piebar1 = 0x0; + pci_ctrl[1].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_2G; + /* + * Assign PIB PMC slot to desired PCI bus + */ +#ifdef CONFIG_MPC8349ADS + mpc8349_i2c = (i2c_t*)(CFG_IMMRBAR + CFG_I2C2_OFFSET); + i2c_init(CFG_I2C_SPEED,CFG_I2C_SLAVE); +#endif + val8 = 0; + ret = i2c_write(0x23,0x6,1,&val8,1); + ret = i2c_write(0x23,0x7,1,&val8,1); + val8 = 0xff; + ret = i2c_write(0x23,0x2,1,&val8,1); + ret = i2c_write(0x23,0x3,1,&val8,1); + + val8 = 0; + ret = i2c_write(0x26,0x6,1,&val8,1); + val8 = 0x34; + ret = i2c_write(0x26,0x7,1,&val8,1); +#if defined(PCI_64BIT) + val8 = 0xf4; // PMC2<->PCI1 64bit +#elif defined(PCI_ALL_PCI1) + val8 = 0xf3; // PMC1<->PCI1,PMC2<->PCI1,PMC3<->PCI1 32bit +#elif defined(PCI_ONE_PCI1) + val8 = 0xf9; // PMC1<->PCI1,PMC2<->PCI2,PMC3<->PCI2 32bit +#elif defined(PCI_TWO_PCI1) + val8 = 0xf5; // PMC1<->PCI1,PMC2<->PCI1,PMC3<->PCI2 32bit +#else + val8 = 0xf5; +#endif + ret = i2c_write(0x26,0x2,1,&val8,1); + val8 = 0xff; + ret = i2c_write(0x26,0x3,1,&val8,1); + val8 = 0; + ret = i2c_write(0x27,0x6,1,&val8,1); + ret = i2c_write(0x27,0x7,1,&val8,1); + val8 = 0xff; + ret = i2c_write(0x27,0x2,1,&val8,1); + val8 = 0xef; + ret = i2c_write(0x27,0x3,1,&val8,1); + asm("eieio"); + + /* + * Release PCI RST Output signal + */ + udelay(2000); + pci_ctrl[0].gcr = 1; +#ifndef PCI_64BIT + pci_ctrl[1].gcr = 1; +#endif + udelay(2000); + + hose[0].first_busno = 0; + hose[0].last_busno = 0xff; + + pci_set_region(hose[0].regions + 0, + CFG_PCI1_MEM_BASE, + CFG_PCI1_MEM_PHYS, + CFG_PCI1_MEM_SIZE, + PCI_REGION_MEM); + + pci_set_region(hose[0].regions + 1, + CFG_PCI1_IO_BASE, + CFG_PCI1_IO_PHYS, + CFG_PCI1_IO_SIZE, + PCI_REGION_IO); + + hose[0].region_count = 2; + + pci_setup_indirect(&hose[0], + (CFG_IMMRBAR+0x8300), + (CFG_IMMRBAR+0x8304)); +#define PCI_CLASS_BRIDGE 0x06 + reg16 = 0xff; + tmp32 = 0xffff; + pci_hose_write_config_byte(&hose[0],PCI_BDF(0,0,0),PCI_CLASS_CODE,PCI_CLASS_BRIDGE); + + pci_hose_read_config_word (&hose[0],PCI_BDF(0,0,0),PCI_COMMAND, ®16); + reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_hose_write_config_word(&hose[0],PCI_BDF(0,0,0), PCI_COMMAND, reg16); + + /* + * Clear non-reserved bits in status register. + */ + pci_hose_write_config_word(&hose[0],PCI_BDF(0,0,0), PCI_STATUS, 0xffff); + pci_hose_write_config_byte(&hose[0],PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80); +#ifndef PCI_64BIT + hose[1].first_busno = 0; + hose[1].last_busno = 0xff; + + pci_set_region(hose[1].regions + 0, + CFG_PCI2_MEM_BASE, + CFG_PCI2_MEM_PHYS, + CFG_PCI2_MEM_SIZE, + PCI_REGION_MEM); + + pci_set_region(hose[1].regions + 1, + CFG_PCI2_IO_BASE, + CFG_PCI2_IO_PHYS, + CFG_PCI2_IO_SIZE, + PCI_REGION_IO); + + hose[1].region_count = 2; + + pci_setup_indirect(&hose[1], + (CFG_IMMRBAR+0x8380), + (CFG_IMMRBAR+0x8384)); + + pci_hose_write_config_byte(&hose[1],PCI_BDF(0,0,0),PCI_CLASS_CODE,PCI_CLASS_BRIDGE); + pci_hose_read_config_word (&hose[1],PCI_BDF(0,0,0), PCI_COMMAND, ®16); + reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_hose_write_config_word(&hose[1],PCI_BDF(0,0,0), PCI_COMMAND, reg16); + + /* + * Clear non-reserved bits in status register. + */ + pci_hose_write_config_word(&hose[1],PCI_BDF(0,0,0), PCI_STATUS, 0xffff); + pci_hose_write_config_byte(&hose[1],PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80); +#endif + +#if defined(PCI_64BIT) + printf("PCI1 64bit on PMC2\n"); +#elif defined(PCI_ALL_PCI1) + printf("PCI1 32bit on PMC1 & PMC2 & PMC3\n"); +#elif defined(PCI_ONE_PCI1) + printf("PCI1 32bit on PMC1,PCI2 32bit on PMC2 & PMC3\n"); +#else + printf("PCI1 32bit on PMC1 & PMC2 & PMC3 in default\n"); +#endif + +#if 1 + /* + * Hose scan. + */ + pci_register_hose(hose); + hose->last_busno = pci_hose_scan(hose); +#endif +} + +#endif /* CONFIG_PCI */ diff --git a/cpu/mpc83xx/resetvec.S b/cpu/mpc83xx/resetvec.S new file mode 100644 index 0000000..7593e73 --- /dev/null +++ b/cpu/mpc83xx/resetvec.S @@ -0,0 +1,6 @@ + .section .resetvec,"ax" +#ifndef FIXME +#if 0 + b _start_e500 +#endif +#endif diff --git a/cpu/mpc83xx/spd_sdram.c b/cpu/mpc83xx/spd_sdram.c new file mode 100644 index 0000000..5bd112c --- /dev/null +++ b/cpu/mpc83xx/spd_sdram.c @@ -0,0 +1,413 @@ +/* + * Copyright 2004 Freescale Semiconductor. + * (C) Copyright 2003 Motorola Inc. + * Xianghua Xiao (X.Xiao@motorola.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 + * + * Change log: + * + * 20050101: Eran Liberty (liberty@freescale.com) + * Initial file creating (porting from 85XX & 8260) + */ + +#include <common.h> +#include <asm/processor.h> +#include <i2c.h> +#include <spd.h> +#include <asm/mmu.h> +#include <spd_sdram.h> + +#ifdef CONFIG_SPD_EEPROM + + +#if defined(CONFIG_DDR_ECC) +extern void dma_init(void); +extern uint dma_check(void); +extern int dma_xfer(void *dest, uint count, void *src); +#endif + + +#ifndef CFG_READ_SPD +#define CFG_READ_SPD i2c_read +#endif + + + +/* + * Convert picoseconds into clock cycles (rounding up if needed). + */ + +int +picos_to_clk(int picos) +{ + int clks; + + clks = picos / (2000000000 / (get_bus_freq(0) / 1000)); + if (picos % (2000000000 / (get_bus_freq(0) / 1000)) != 0) { + clks++; + } + + return clks; +} + + +unsigned int +banksize(unsigned char row_dens) +{ + return ((row_dens >> 2) | ((row_dens & 3) << 6)) << 24; +} + + +long int spd_sdram(int(read_spd)(uint addr)) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMRBAR; + volatile ddr8349_t *ddr = &immap->ddr; + volatile law8349_t *ecm = &immap->sysconf.ddrlaw[0]; + spd_eeprom_t spd; + unsigned tmp, tmp1; + unsigned int memsize; + unsigned int law_size; + unsigned char caslat; + unsigned int trfc, trfc_clk, trfc_low; + +#warning Current spd_sdram does not fit its usage... adjust implementation or API... + + CFG_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) & spd, sizeof (spd)); + + if (spd.nrows > 2) { + puts("DDR:Only two chip selects are supported on ADS.\n"); + return 0; + } + + if (spd.nrow_addr < 12 + || spd.nrow_addr > 14 + || spd.ncol_addr < 8 + || spd.ncol_addr > 11) { + puts("DDR:Row or Col number unsupported.\n"); + return 0; + } + + ddr->csbnds[2].csbnds = (banksize(spd.row_dens) >> 24) - 1; + ddr->cs_config[2] = ( 1 << 31 + | (spd.nrow_addr - 12) << 8 + | (spd.ncol_addr - 8) ); + debug("\n"); + debug("cs2_bnds = 0x%08x\n",ddr->csbnds[2].csbnds); + debug("cs2_config = 0x%08x\n",ddr->cs_config[2]); + + if (spd.nrows == 2) { + ddr->csbnds[3].csbnds = ( (banksize(spd.row_dens) >> 8) + | ((banksize(spd.row_dens) >> 23) - 1) ); + ddr->cs_config[3] = ( 1<<31 + | (spd.nrow_addr-12) << 8 + | (spd.ncol_addr-8) ); + debug("cs3_bnds = 0x%08x\n",ddr->csbnds[3].csbnds); + debug("cs3_config = 0x%08x\n",ddr->cs_config[3]); + } + + if (spd.mem_type != 0x07) { + puts("No DDR module found!\n"); + return 0; + } + + /* + * Figure out memory size in Megabytes. + */ + memsize = spd.nrows * banksize(spd.row_dens) / 0x100000; + + /* + * First supported LAW size is 16M, at LAWAR_SIZE_16M == 23. + */ + law_size = 19 + __ilog2(memsize); + + /* + * Set up LAWBAR for all of DDR. + */ + ecm->bar = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff); + ecm->ar = (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & law_size)); + debug("DDR:bar=0x%08x\n", ecm->bar); + debug("DDR:ar=0x%08x\n", ecm->ar); + + /* + * find the largest CAS + */ + if(spd.cas_lat & 0x40) { + caslat = 7; + } else if (spd.cas_lat & 0x20) { + caslat = 6; + } else if (spd.cas_lat & 0x10) { + caslat = 5; + } else if (spd.cas_lat & 0x08) { + caslat = 4; + } else if (spd.cas_lat & 0x04) { + caslat = 3; + } else if (spd.cas_lat & 0x02) { + caslat = 2; + } else if (spd.cas_lat & 0x01) { + caslat = 1; + } else { + puts("DDR:no valid CAS Latency information.\n"); + return 0; + } + + tmp = 20000 / (((spd.clk_cycle & 0xF0) >> 4) * 10 + + (spd.clk_cycle & 0x0f)); + debug("DDR:Module maximum data rate is: %dMhz\n", tmp); + + tmp1 = get_bus_freq(0) / 1000000; + if (tmp1 < 230 && tmp1 >= 90 && tmp >= 230) { + /* 90~230 range, treated as DDR 200 */ + if (spd.clk_cycle3 == 0xa0) + caslat -= 2; + else if(spd.clk_cycle2 == 0xa0) + caslat--; + } else if (tmp1 < 280 && tmp1 >= 230 && tmp >= 280) { + /* 230-280 range, treated as DDR 266 */ + if (spd.clk_cycle3 == 0x75) + caslat -= 2; + else if (spd.clk_cycle2 == 0x75) + caslat--; + } else if (tmp1 < 350 && tmp1 >= 280 && tmp >= 350) { + /* 280~350 range, treated as DDR 333 */ + if (spd.clk_cycle3 == 0x60) + caslat -= 2; + else if (spd.clk_cycle2 == 0x60) + caslat--; + } else if (tmp1 < 90 || tmp1 >= 350) { + /* DDR rate out-of-range */ + puts("DDR:platform frequency is not fit for DDR rate\n"); + return 0; + } + + /* + * note: caslat must also be programmed into ddr->sdram_mode + * register. + * + * note: WRREC(Twr) and WRTORD(Twtr) are not in SPD, + * use conservative value here. + */ + trfc = spd.trfc * 1000; /* up to ps */ + trfc_clk = picos_to_clk(trfc); + trfc_low = (trfc_clk - 8) & 0xf; + + ddr->timing_cfg_1 = + (((picos_to_clk(spd.trp * 250) & 0x07) << 28 ) | + ((picos_to_clk(spd.tras * 1000) & 0x0f ) << 24 ) | + ((picos_to_clk(spd.trcd * 250) & 0x07) << 20 ) | + ((caslat & 0x07) << 16 ) | + (trfc_low << 12 ) | + ( 0x300 ) | + ((picos_to_clk(spd.trrd * 250) & 0x07) << 4) | 1); + + ddr->timing_cfg_2 = 0x00000800; + + debug("DDR:timing_cfg_1=0x%08x\n", ddr->timing_cfg_1); + debug("DDR:timing_cfg_2=0x%08x\n", ddr->timing_cfg_2); + + /* + * Only DDR I is supported + * DDR I and II have different mode-register-set definition + */ + + /* burst length is always 4 */ + switch(caslat) { + case 2: + ddr->sdram_mode = 0x52; /* 1.5 */ + break; + case 3: + ddr->sdram_mode = 0x22; /* 2.0 */ + break; + case 4: + ddr->sdram_mode = 0x62; /* 2.5 */ + break; + case 5: + ddr->sdram_mode = 0x32; /* 3.0 */ + break; + default: + puts("DDR:only CAS Latency 1.5, 2.0, 2.5, 3.0 is supported.\n"); + return 0; + } + debug("DDR:sdram_mode=0x%08x\n", ddr->sdram_mode); + + switch(spd.refresh) { + case 0x00: + case 0x80: + tmp = picos_to_clk(15625000); + break; + case 0x01: + case 0x81: + tmp = picos_to_clk(3900000); + break; + case 0x02: + case 0x82: + tmp = picos_to_clk(7800000); + break; + case 0x03: + case 0x83: + tmp = picos_to_clk(31300000); + break; + case 0x04: + case 0x84: + tmp = picos_to_clk(62500000); + break; + case 0x05: + case 0x85: + tmp = picos_to_clk(125000000); + break; + default: + tmp = 0x512; + break; + } + + /* + * Set BSTOPRE to 0x100 for page mode + * If auto-charge is used, set BSTOPRE = 0 + */ + ddr->sdram_interval = ((tmp & 0x3fff) << 16) | 0x100; + debug("DDR:sdram_interval=0x%08x\n", ddr->sdram_interval); + + /* + * Is this an ECC DDR chip? + */ +#if defined(CONFIG_DDR_ECC) + if (spd.config == 0x02) { + ddr->err_disable = 0x0000000d; + ddr->err_sbe = 0x00ff0000; + } + debug("DDR:err_disable=0x%08x\n", ddr->err_disable); + debug("DDR:err_sbe=0x%08x\n", ddr->err_sbe); +#endif + asm("sync;isync"); + + udelay(500); + + + ddr->sdram_clk_cntl = 0x82000000;/*SS_EN=1, CLK_ADJST = 2-MCK/MCK_B, is lauched 1/2 of one SDRAM clock cycle after address/command*/ + + + /* + * Figure out the settings for the sdram_cfg register. Build up + * the entire register in 'tmp' before writing since the write into + * the register will actually enable the memory controller, and all + * settings must be done before enabling. + * + * sdram_cfg[0] = 1 (ddr sdram logic enable) + * sdram_cfg[1] = 1 (self-refresh-enable) + * sdram_cfg[6:7] = 2 (SDRAM type = DDR SDRAM) + */ + tmp = 0xc2000000; + + /* + * sdram_cfg[3] = RD_EN - registered DIMM enable + * A value of 0x26 indicates micron registered DIMMS (micron.com) + */ + if (spd.mod_attr == 0x26) { + tmp |= 0x10000000; + } + +#if defined(CONFIG_DDR_ECC) + /* + * If the user wanted ECC (enabled via sdram_cfg[2]) + */ + if (spd.config == 0x02) { + tmp |= 0x20000000; + } +#endif + +#if defined(CONFIG_DDR_2T_TIMING) + /* + * Enable 2T timing by setting sdram_cfg[16]. + */ + tmp |= SDRAM_CFG_2T_EN; +#endif + + ddr->sdram_cfg = tmp; + + asm("sync;isync"); + udelay(500); + + debug("DDR:sdram_cfg=0x%08x\n", ddr->sdram_cfg); + + return memsize;/*in MBytes*/ +} + +#endif /* CONFIG_SPD_EEPROM */ + + +#if defined(CONFIG_DDR_ECC) +/* + * Initialize all of memory for ECC, then enable errors. + */ + +void +ddr_enable_ecc(unsigned int dram_size) +{ +#ifndef FIXME + uint *p = 0; + uint i = 0; + volatile immap_t *immap = (immap_t *)CFG_IMMRBAR; + volatile ccsr_ddr_t *ddr= &immap->im_ddr; + + dma_init(); + + for (*p = 0; p < (uint *)(8 * 1024); p++) { + if (((unsigned int)p & 0x1f) == 0) { + ppcDcbz((unsigned long) p); + } + *p = (unsigned int)0xdeadbeef; + if (((unsigned int)p & 0x1c) == 0x1c) { + ppcDcbf((unsigned long) p); + } + } + + /* 8K */ + dma_xfer((uint *)0x2000, 0x2000, (uint *)0); + /* 16K */ + dma_xfer((uint *)0x4000, 0x4000, (uint *)0); + /* 32K */ + dma_xfer((uint *)0x8000, 0x8000, (uint *)0); + /* 64K */ + dma_xfer((uint *)0x10000, 0x10000, (uint *)0); + /* 128k */ + dma_xfer((uint *)0x20000, 0x20000, (uint *)0); + /* 256k */ + dma_xfer((uint *)0x40000, 0x40000, (uint *)0); + /* 512k */ + dma_xfer((uint *)0x80000, 0x80000, (uint *)0); + /* 1M */ + dma_xfer((uint *)0x100000, 0x100000, (uint *)0); + /* 2M */ + dma_xfer((uint *)0x200000, 0x200000, (uint *)0); + /* 4M */ + dma_xfer((uint *)0x400000, 0x400000, (uint *)0); + + for (i = 1; i < dram_size / 0x800000; i++) { + dma_xfer((uint *)(0x800000*i), 0x800000, (uint *)0); + } + + /* + * Enable errors for ECC. + */ + ddr->err_disable = 0x00000000; + asm("sync;isync"); +#endif +} + +#endif /* CONFIG_DDR_ECC */ diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c new file mode 100644 index 0000000..6530fbf --- /dev/null +++ b/cpu/mpc83xx/speed.c @@ -0,0 +1,424 @@ +/* + * (C) Copyright 2000-2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright 2004 Freescale Semiconductor, Inc. + * + * 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 + * + * Change log: + * + * 20050101: Eran Liberty (liberty@freescale.com) + * Initial file creating (porting from 85XX & 8260) + */ + +#include <common.h> +#include <mpc83xx.h> +#include <asm/processor.h> + +/* ----------------------------------------------------------------- */ + +typedef enum { + _unk, + _off, + _byp, + _x8, + _x4, + _x2, + _x1, + _1x, + _1_5x, + _2x, + _2_5x, + _3x +} mult_t; + +typedef struct { + mult_t core_csb_ratio; + mult_t vco_divider; +} corecnf_t; + +corecnf_t corecnf_tab[] = { + { _byp, _byp}, /* 0x00 */ + { _byp, _byp}, /* 0x01 */ + { _byp, _byp}, /* 0x02 */ + { _byp, _byp}, /* 0x03 */ + { _byp, _byp}, /* 0x04 */ + { _byp, _byp}, /* 0x05 */ + { _byp, _byp}, /* 0x06 */ + { _byp, _byp}, /* 0x07 */ + { _1x, _x2}, /* 0x08 */ + { _1x, _x4}, /* 0x09 */ + { _1x, _x8}, /* 0x0A */ + { _1x, _x8}, /* 0x0B */ + {_1_5x, _x2}, /* 0x0C */ + {_1_5x, _x4}, /* 0x0D */ + {_1_5x, _x8}, /* 0x0E */ + {_1_5x, _x8}, /* 0x0F */ + { _2x, _x2}, /* 0x10 */ + { _2x, _x4}, /* 0x11 */ + { _2x, _x8}, /* 0x12 */ + { _2x, _x8}, /* 0x13 */ + {_2_5x, _x2}, /* 0x14 */ + {_2_5x, _x4}, /* 0x15 */ + {_2_5x, _x8}, /* 0x16 */ + {_2_5x, _x8}, /* 0x17 */ + { _3x, _x2}, /* 0x18 */ + { _3x, _x4}, /* 0x19 */ + { _3x, _x8}, /* 0x1A */ + { _3x, _x8}, /* 0x1B */ +}; + +/* ----------------------------------------------------------------- */ + +/* + * + */ +int get_clocks (void) +{ + DECLARE_GLOBAL_DATA_PTR; + volatile immap_t *im = (immap_t *)CFG_IMMRBAR; + u32 pci_sync_in; + u8 spmf; + u8 clkin_div; + u32 sccr; + u32 corecnf_tab_index; + u8 corepll; + u32 lcrr; + + u32 csb_clk; + u32 tsec1_clk; + u32 tsec2_clk; + u32 core_clk; + u32 usbmph_clk; + u32 usbdr_clk; + u32 i2c_clk; + u32 enc_clk; + u32 lbiu_clk; + u32 lclk_clk; + u32 ddr_clk; + + if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im) + return -1; + +#ifndef CFG_HRCW_HIGH +# error "CFG_HRCW_HIGH must be defined in include/configs/MCP83XXADS.h" +#endif /* CFG_HCWD_HIGH */ + +#if (CFG_HRCW_HIGH & HRCWH_PCI_HOST) +# ifndef CONFIG_83XX_CLKIN +# error "In PCI Host Mode, CONFIG_83XX_CLKIN must be defined in include/configs/MCP83XXADS.h" +# endif /* CONFIG_83XX_CLKIN */ +# ifdef CONFIG_83XX_PCICLK +# warning "In PCI Host Mode, CONFIG_83XX_PCICLK in include/configs/MCP83XXADS.h is igonred." +# endif /* CONFIG_83XX_PCICLK */ +/* PCI Host Mode */ + if (!(im->reset.rcwh & RCWH_PCIHOST)) { + /* though RCWH_PCIHOST is defined in CFG_HRCW_HIGH the im->reset.rcwhr PCI Host Mode is disabled */ + /* FIXME: findout if there is a way to issue some warning */ + return -2; + + } + if (im->clk.spmr & SPMR_CKID) { + pci_sync_in = CONFIG_83XX_CLKIN / 2; /* PCI Clock is half CONFIG_83XX_CLKIN */ + } + else { + pci_sync_in = CONFIG_83XX_CLKIN; + } +#else +# ifdef CONFIG_83XX_CLKIN +# warning "In PCI Agent Mode, CONFIG_83XX_CLKIN in include/configs/MCP83XXADS.h is igonred." +# endif /* CONFIG_83XX_CLKIN */ +# ifndef CONFIG_83XX_PCICLK +# error "In PCI Agent Mode, CONFIG_83XX_PCICLK must be defined in include/configs/MCP83XXADS.h" +# endif /* CONFIG_83XX_PCICLK */ +/* PCI Agent Mode */ + if (im->reset.rcwh & RCWH_PCIHOST) { + /* though RCWH_PCIHOST is not defined in CFG_HRCW_HIGH the im->reset.rcwhr PCI Host Mode is enabled */ + return -3; + } + pci_sync_in = CONFIG_83XX_PCICLK; +#endif /* (CFG_HRCW_HIGH | RCWH_PCIHOST) */ + + /* we have up to date pci_sync_in */ + + spmf = ((im->reset.rcwl & RCWL_SPMF) >> RCWL_SPMF_SHIFT); + clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT); + + if ((im->reset.rcwl & RCWL_LBIUCM) || (im->reset.rcwl & RCWL_DDRCM)) { + csb_clk = (pci_sync_in * spmf * (1 + clkin_div)) / 2; + } + else { + csb_clk = pci_sync_in * spmf * (1 + clkin_div); + } + + sccr = im->clk.sccr; + switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) { + case 0: + tsec1_clk = 0; + break; + case 1: + tsec1_clk = csb_clk; + break; + case 2: + tsec1_clk = csb_clk / 2; + break; + case 3: + tsec1_clk = csb_clk / 3; + break; + default: + /* unkown SCCR_TSEC1CM value */ + return -4; + } + + switch ((sccr & SCCR_TSEC2CM) >> SCCR_TSEC2CM_SHIFT) { + case 0: + tsec2_clk = 0; + break; + case 1: + tsec2_clk = csb_clk; + break; + case 2: + tsec2_clk = csb_clk / 2; + break; + case 3: + tsec2_clk = csb_clk / 3; + break; + default: + /* unkown SCCR_TSEC2CM value */ + return -5; + } + i2c_clk = tsec2_clk; + + switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) { + case 0: + enc_clk = 0; + break; + case 1: + enc_clk = csb_clk; + break; + case 2: + enc_clk = csb_clk / 2; + break; + case 3: + enc_clk = csb_clk / 3; + break; + default: + /* unkown SCCR_ENCCM value */ + return -6; + } + + switch ((sccr & SCCR_USBMPHCM) >> SCCR_USBMPHCM_SHIFT) { + case 0: + usbmph_clk = 0; + break; + case 1: + usbmph_clk = csb_clk; + break; + case 2: + usbmph_clk = csb_clk / 2; + break; + case 3: + usbmph_clk = csb_clk / 3; + break; + default: + /* unkown SCCR_USBMPHCM value */ + return -7; + } + + switch ((sccr & SCCR_USBDRCM) >> SCCR_USBDRCM_SHIFT) { + case 0: + usbdr_clk = 0; + break; + case 1: + usbdr_clk = csb_clk; + break; + case 2: + usbdr_clk = csb_clk / 2; + break; + case 3: + usbdr_clk = csb_clk / 3; + break; + default: + /* unkown SCCR_USBDRCM value */ + return -8; + } + + if (usbmph_clk != 0 + && usbdr_clk != 0 + && usbmph_clk != usbdr_clk ) { + /* if USB MPH clock is not disabled and USB DR clock is not disabled than USB MPH & USB DR must have the same rate */ + return -9; + } + + lbiu_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT)); + lcrr = (im->lbus.lcrr & LCRR_CLKDIV) >> LCRR_CLKDIV_SHIFT; + switch (lcrr) { + case 2: + case 4: + case 8: + lclk_clk = lbiu_clk / lcrr; + break; + default: + /* unknown lcrr */ + return -10; + } + + ddr_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_DDRCM) >> RCWL_DDRCM_SHIFT)); + + corepll = (im->reset.rcwl & RCWL_COREPLL) >> RCWL_COREPLL_SHIFT; + corecnf_tab_index = ((corepll & 0x1F) << 2) | ((corepll & 0x60) >> 5); + if (corecnf_tab_index > (sizeof(corecnf_tab)/sizeof(corecnf_t)) ) { + /* corecnf_tab_index is too high, possibly worng value */ + return -11; + } + switch (corecnf_tab[corecnf_tab_index].core_csb_ratio) { + case _byp: + case _x1: + case _1x: + core_clk = csb_clk; + break; + case _1_5x: + core_clk = (3 * csb_clk) / 2; + break; + case _2x: + core_clk = 2 * csb_clk; + break; + case _2_5x: + core_clk = ( 5 * csb_clk) / 2; + break; + case _3x: + core_clk = 3 * csb_clk; + break; + default: + /* unkown core to csb ratio */ + return -12; + } + + gd->csb_clk = csb_clk ; + gd->tsec1_clk = tsec1_clk ; + gd->tsec2_clk = tsec2_clk ; + gd->core_clk = core_clk ; + gd->usbmph_clk = usbmph_clk; + gd->usbdr_clk = usbdr_clk ; + gd->i2c_clk = i2c_clk ; + gd->enc_clk = enc_clk ; + gd->lbiu_clk = lbiu_clk ; + gd->lclk_clk = lclk_clk ; + gd->ddr_clk = ddr_clk ; + + gd->cpu_clk = gd->core_clk; + gd->bus_clk = gd->lbiu_clk; + return 0; +} + +/******************************************** + * get_bus_freq + * return system bus freq in Hz + *********************************************/ +ulong get_bus_freq (ulong dummy) +{ + DECLARE_GLOBAL_DATA_PTR; + return gd->csb_clk; +} + +int print_clock_conf (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + printf("Clock configuration:\n"); + printf(" Coherent System Bus: %4d MHz\n",gd->csb_clk/1000000); + printf(" Core: %4d MHz\n",gd->core_clk/1000000); + printf(" Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000); + printf(" Local Bus: %4d MHz\n",gd->lclk_clk/1000000); + printf(" DDR: %4d MHz\n",gd->ddr_clk/1000000); + printf(" I2C: %4d MHz\n",gd->i2c_clk/1000000); + printf(" TSEC1: %4d MHz\n",gd->tsec1_clk/1000000); + printf(" TSEC2: %4d MHz\n",gd->tsec2_clk/1000000); + printf(" USB MPH: %4d MHz\n",gd->usbmph_clk/1000000); + printf(" USB DR: %4d MHz\n",gd->usbdr_clk/1000000); + +#if 0 + DECLARE_GLOBAL_DATA_PTR; + + volatile immap_t *immap = (immap_t *) CFG_IMMR; + ulong sccr, dfbrg; + ulong scmr, corecnf, busdf, cpmdf, plldf, pllmf; + corecnf_t *cp; + + sccr = immap->im_clkrst.car_sccr; + dfbrg = (sccr & SCCR_DFBRG_MSK) >> SCCR_DFBRG_SHIFT; + + scmr = immap->im_clkrst.car_scmr; + corecnf = (scmr & SCMR_CORECNF_MSK) >> SCMR_CORECNF_SHIFT; + busdf = (scmr & SCMR_BUSDF_MSK) >> SCMR_BUSDF_SHIFT; + cpmdf = (scmr & SCMR_CPMDF_MSK) >> SCMR_CPMDF_SHIFT; + plldf = (scmr & SCMR_PLLDF) ? 1 : 0; + pllmf = (scmr & SCMR_PLLMF_MSK) >> SCMR_PLLMF_SHIFT; + + cp = &corecnf_tab[corecnf]; + + puts (CPU_ID_STR " Clock Configuration\n - Bus-to-Core Mult "); + + switch (cp->b2c_mult) { + case _byp: + puts ("BYPASS"); + break; + + case _off: + puts ("OFF"); + break; + + case _unk: + puts ("UNKNOWN"); + break; + + default: + printf ("%d%sx", + cp->b2c_mult / 2, + (cp->b2c_mult % 2) ? ".5" : ""); + break; + } + + printf (", VCO Div %d, 60x Bus Freq %s, Core Freq %s\n", + cp->vco_div, cp->freq_60x, cp->freq_core); + + printf (" - dfbrg %ld, corecnf 0x%02lx, busdf %ld, cpmdf %ld, " + "plldf %ld, pllmf %ld\n", dfbrg, corecnf, busdf, cpmdf, plldf, + pllmf); + + printf (" - vco_out %10ld, scc_clk %10ld, brg_clk %10ld\n", + gd->vco_out, gd->scc_clk, gd->brg_clk); + + printf (" - cpu_clk %10ld, cpm_clk %10ld, bus_clk %10ld\n", + gd->cpu_clk, gd->cpm_clk, gd->bus_clk); + + if (sccr & SCCR_PCI_MODE) { + uint pci_div; + + pci_div = ( (sccr & SCCR_PCI_MODCK) ? 2 : 1) * + ( ( (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT) + 1); + + printf (" - pci_clk %10ld\n", (gd->cpm_clk * 2) / pci_div); + } + putc ('\n'); +#endif + return (0); +} + diff --git a/cpu/mpc83xx/start.S b/cpu/mpc83xx/start.S new file mode 100644 index 0000000..e9f0790 --- /dev/null +++ b/cpu/mpc83xx/start.S @@ -0,0 +1,1096 @@ +/* + * Copyright (C) 1998 Dan Malek <dmalek@jlc.net> + * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se> + * Copyright (C) 2000, 2001,2002 Wolfgang Denk <wd@denx.de> + * Copyright 2004 Freescale Semiconductor, Inc. + * + * 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 + */ + +/* + * U-Boot - Startup Code for MPC83xx PowerPC based Embedded Boards + */ + +#include <config.h> +#include <mpc83xx.h> +#include <version.h> + +#define CONFIG_83XX 1 /* needed for Linux kernel header files*/ +#define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */ + +#include <ppc_asm.tmpl> +#include <ppc_defs.h> + +#include <asm/cache.h> +#include <asm/mmu.h> + +#ifndef CONFIG_IDENT_STRING +#define CONFIG_IDENT_STRING "MPC83XX" +#endif + +/* We don't want the MMU yet. + */ +#undef MSR_KERNEL + +/* + * Floating Point enable, Machine Check and Recoverable Interr. + */ +#ifdef DEBUG +#define MSR_KERNEL (MSR_FP|MSR_RI) +#else +#define MSR_KERNEL (MSR_FP|MSR_ME|MSR_RI) +#endif + +/* + * Set up GOT: Global Offset Table + * + * Use r14 to access the GOT + */ + START_GOT + GOT_ENTRY(_GOT2_TABLE_) + GOT_ENTRY(_FIXUP_TABLE_) + + GOT_ENTRY(_start) + GOT_ENTRY(_start_of_vectors) + GOT_ENTRY(_end_of_vectors) + GOT_ENTRY(transfer_to_handler) + + GOT_ENTRY(__init_end) + GOT_ENTRY(_end) + GOT_ENTRY(__bss_start) + END_GOT + +/* + * Version string - must be in data segment because MPC83xx uses the + * first 256 bytes for the Hard Reset Configuration Word table (see + * below). Similarly, can't have the U-Boot Magic Number as the first + * thing in the image - don't know how this will affect the image tools, + * but I guess I'll find out soon. + */ + .data + .globl version_string +version_string: + .ascii U_BOOT_VERSION + .ascii " (", __DATE__, " - ", __TIME__, ")" + .ascii " ", CONFIG_IDENT_STRING, "\0" + + .text +#define _HRCW_TABLE_ENTRY(w) \ + .fill 8,1,(((w)>>24)&0xff); \ + .fill 8,1,(((w)>>16)&0xff); \ + .fill 8,1,(((w)>> 8)&0xff); \ + .fill 8,1,(((w) )&0xff) + + _HRCW_TABLE_ENTRY(CFG_HRCW_LOW) + _HRCW_TABLE_ENTRY(CFG_HRCW_HIGH) + + + +#ifndef CONFIG_DEFAULT_IMMR +#error CONFIG_DEFAULT_IMMR must be defined +#endif /* CFG_DEFAULT_IMMR */ +#ifndef CFG_IMMRBAR +#define CFG_IMMRBAR CONFIG_DEFAULT_IMMR +#endif /* CFG_IMMRBAR */ + +/* + * After configuration, a system reset exception is executed using the + * vector at offset 0x100 relative to the base set by MSR[IP]. If + * MSR[IP] is 0, the base address is 0x00000000. If MSR[IP] is 1, the + * base address is 0xfff00000. In the case of a Power On Reset or Hard + * Reset, the value of MSR[IP] is determined by the CIP field in the + * HRCW. + * + * Other bits in the HRCW set up the Base Address and Port Size in BR0. + * This determines the location of the boot ROM (flash or EPROM) in the + * processor's address space at boot time. As long as the HRCW is set up + * so that we eventually end up executing the code below when the + * processor executes the reset exception, the actual values used should + * not matter. + * + * Once we have got here, the address mask in OR0 is cleared so that the + * bottom 32K of the boot ROM is effectively repeated all throughout the + * processor's address space, after which we can jump to the absolute + * address at which the boot ROM was linked at compile time, and proceed + * to initialise the memory controller without worrying if the rug will + * be pulled out from under us, so to speak (it will be fine as long as + * we configure BR0 with the same boot ROM link address). + */ + . = EXC_OFF_SYS_RESET + + .globl _start +_start: /* time t 0 */ + li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH*/ + nop + b boot_cold + + . = EXC_OFF_SYS_RESET + 0x10 + + .globl _start_warm +_start_warm: + li r21, BOOTFLAG_WARM /* Software reboot */ + b boot_warm + + +boot_cold: /* time t 3 */ + lis r4, CONFIG_DEFAULT_IMMR@h + nop +boot_warm: /* time t 5 */ + mfmsr r5 /* save msr contents */ + lis r3, CFG_IMMRBAR@h + ori r3, r3, CFG_IMMRBAR@l + stw r3, IMMRBAR(r4) + + /* Initialise the E300 processor core */ + /*------------------------------------------*/ + + bl init_e300_core + +#ifndef CFG_RAMBOOT + + /* Inflate flash location so it appears everywhere, calculate */ + /* the absolute address in final location of the FLASH, jump */ + /* there and deflate the flash size back to minimal size */ + /*------------------------------------------------------------*/ + bl map_flash_by_law1 + lis r4, (CFG_MONITOR_BASE)@h + ori r4, r4, (CFG_MONITOR_BASE)@l + addi r5, r4, in_flash - _start + EXC_OFF_SYS_RESET + mtlr r5 + blr +in_flash: +#if 1 /* Remapping flash with LAW0. */ + bl remap_flash_by_law0 +#endif +#endif /* CFG_RAMBOOT */ + + bl setup_stack_in_data_cache_on_r1 + + /* let the C-code set up the rest */ + /* */ + /* Be careful to keep code relocatable & stack humble */ + /*------------------------------------------------------*/ + + GET_GOT /* initialize GOT access */ + + /* r3: IMMR */ + lis r3, CFG_IMMRBAR@h + /* run low-level CPU init code (in Flash)*/ + bl cpu_init_f + + /* r3: BOOTFLAG */ + mr r3, r21 + /* run 1st part of board init code (in Flash)*/ + bl board_init_f + +/* + * Vector Table + */ + + .globl _start_of_vectors +_start_of_vectors: + +/* Machine check */ + STD_EXCEPTION(0x200, MachineCheck, MachineCheckException) + +/* Data Storage exception. */ + STD_EXCEPTION(0x300, DataStorage, UnknownException) + +/* Instruction Storage exception. */ + STD_EXCEPTION(0x400, InstStorage, UnknownException) + +/* External Interrupt exception. */ +#ifndef FIXME + STD_EXCEPTION(0x500, ExtInterrupt, external_interrupt) +#endif + +/* Alignment exception. */ + . = 0x600 +Alignment: + EXCEPTION_PROLOG + mfspr r4,DAR + stw r4,_DAR(r21) + mfspr r5,DSISR + stw r5,_DSISR(r21) + addi r3,r1,STACK_FRAME_OVERHEAD + li r20,MSR_KERNEL + rlwimi r20,r23,0,16,16 /* copy EE bit from saved MSR */ + rlwimi r20,r23,0,25,25 /* copy IP bit from saved MSR */ + lwz r6,GOT(transfer_to_handler) + mtlr r6 + blrl +.L_Alignment: + .long AlignmentException - _start + EXC_OFF_SYS_RESET + .long int_return - _start + EXC_OFF_SYS_RESET + +/* Program check exception */ + . = 0x700 +ProgramCheck: + EXCEPTION_PROLOG + addi r3,r1,STACK_FRAME_OVERHEAD + li r20,MSR_KERNEL + rlwimi r20,r23,0,16,16 /* copy EE bit from saved MSR */ + rlwimi r20,r23,0,25,25 /* copy IP bit from saved MSR */ + lwz r6,GOT(transfer_to_handler) + mtlr r6 + blrl +.L_ProgramCheck: + .long ProgramCheckException - _start + EXC_OFF_SYS_RESET + .long int_return - _start + EXC_OFF_SYS_RESET + + STD_EXCEPTION(0x800, FPUnavailable, UnknownException) + + /* I guess we could implement decrementer, and may have + * to someday for timekeeping. + */ + STD_EXCEPTION(0x900, Decrementer, timer_interrupt) + + STD_EXCEPTION(0xa00, Trap_0a, UnknownException) + STD_EXCEPTION(0xb00, Trap_0b, UnknownException) + STD_EXCEPTION(0xc00, SystemCall, UnknownException) + STD_EXCEPTION(0xd00, SingleStep, UnknownException) + + STD_EXCEPTION(0xe00, Trap_0e, UnknownException) + STD_EXCEPTION(0xf00, Trap_0f, UnknownException) + + STD_EXCEPTION(0x1000, InstructionTLBMiss, UnknownException) + STD_EXCEPTION(0x1100, DataLoadTLBMiss, UnknownException) + STD_EXCEPTION(0x1200, DataStoreTLBMiss, UnknownException) +#ifdef DEBUG + . = 0x1300 + /* + * This exception occurs when the program counter matches the + * Instruction Address Breakpoint Register (IABR). + * + * I want the cpu to halt if this occurs so I can hunt around + * with the debugger and look at things. + * + * When DEBUG is defined, both machine check enable (in the MSR) + * and checkstop reset enable (in the reset mode register) are + * turned off and so a checkstop condition will result in the cpu + * halting. + * + * I force the cpu into a checkstop condition by putting an illegal + * instruction here (at least this is the theory). + * + * well - that didnt work, so just do an infinite loop! + */ +1: b 1b +#else + STD_EXCEPTION(0x1300, InstructionBreakpoint, DebugException) +#endif + STD_EXCEPTION(0x1400, SMI, UnknownException) + + STD_EXCEPTION(0x1500, Trap_15, UnknownException) + STD_EXCEPTION(0x1600, Trap_16, UnknownException) + STD_EXCEPTION(0x1700, Trap_17, UnknownException) + STD_EXCEPTION(0x1800, Trap_18, UnknownException) + STD_EXCEPTION(0x1900, Trap_19, UnknownException) + STD_EXCEPTION(0x1a00, Trap_1a, UnknownException) + STD_EXCEPTION(0x1b00, Trap_1b, UnknownException) + STD_EXCEPTION(0x1c00, Trap_1c, UnknownException) + STD_EXCEPTION(0x1d00, Trap_1d, UnknownException) + STD_EXCEPTION(0x1e00, Trap_1e, UnknownException) + STD_EXCEPTION(0x1f00, Trap_1f, UnknownException) + STD_EXCEPTION(0x2000, Trap_20, UnknownException) + STD_EXCEPTION(0x2100, Trap_21, UnknownException) + STD_EXCEPTION(0x2200, Trap_22, UnknownException) + STD_EXCEPTION(0x2300, Trap_23, UnknownException) + STD_EXCEPTION(0x2400, Trap_24, UnknownException) + STD_EXCEPTION(0x2500, Trap_25, UnknownException) + STD_EXCEPTION(0x2600, Trap_26, UnknownException) + STD_EXCEPTION(0x2700, Trap_27, UnknownException) + STD_EXCEPTION(0x2800, Trap_28, UnknownException) + STD_EXCEPTION(0x2900, Trap_29, UnknownException) + STD_EXCEPTION(0x2a00, Trap_2a, UnknownException) + STD_EXCEPTION(0x2b00, Trap_2b, UnknownException) + STD_EXCEPTION(0x2c00, Trap_2c, UnknownException) + STD_EXCEPTION(0x2d00, Trap_2d, UnknownException) + STD_EXCEPTION(0x2e00, Trap_2e, UnknownException) + STD_EXCEPTION(0x2f00, Trap_2f, UnknownException) + + + .globl _end_of_vectors +_end_of_vectors: + + . = 0x3000 + +/* + * This code finishes saving the registers to the exception frame + * and jumps to the appropriate handler for the exception. + * Register r21 is pointer into trap frame, r1 has new stack pointer. + */ + .globl transfer_to_handler +transfer_to_handler: + stw r22,_NIP(r21) + lis r22,MSR_POW@h + andc r23,r23,r22 + stw r23,_MSR(r21) + SAVE_GPR(7, r21) + SAVE_4GPRS(8, r21) + SAVE_8GPRS(12, r21) + SAVE_8GPRS(24, r21) + mflr r23 + andi. r24,r23,0x3f00 /* get vector offset */ + stw r24,TRAP(r21) + li r22,0 + stw r22,RESULT(r21) + lwz r24,0(r23) /* virtual address of handler */ + lwz r23,4(r23) /* where to go when done */ + mtspr SRR0,r24 + mtspr SRR1,r20 + mtlr r23 + SYNC + rfi /* jump to handler, enable MMU */ + +int_return: + mfmsr r28 /* Disable interrupts */ + li r4,0 + ori r4,r4,MSR_EE + andc r28,r28,r4 + SYNC /* Some chip revs need this... */ + mtmsr r28 + SYNC + lwz r2,_CTR(r1) + lwz r0,_LINK(r1) + mtctr r2 + mtlr r0 + lwz r2,_XER(r1) + lwz r0,_CCR(r1) + mtspr XER,r2 + mtcrf 0xFF,r0 + REST_10GPRS(3, r1) + REST_10GPRS(13, r1) + REST_8GPRS(23, r1) + REST_GPR(31, r1) + lwz r2,_NIP(r1) /* Restore environment */ + lwz r0,_MSR(r1) + mtspr SRR0,r2 + mtspr SRR1,r0 + lwz r0,GPR0(r1) + lwz r2,GPR2(r1) + lwz r1,GPR1(r1) + SYNC + rfi + +/* + * This code initialises the E300 processor core + * (conforms to PowerPC 603e spec) + * Note: expects original MSR contents to be in r5. + */ + .globl init_e300_core +init_e300_core: /* time t 10 */ + /* Initialize machine status; enable machine check interrupt */ + /*-----------------------------------------------------------*/ + + li r3, MSR_KERNEL /* Set ME and RI flags */ + rlwimi r3, r5, 0, 25, 25 /* preserve IP bit set by HRCW */ +#ifdef DEBUG + rlwimi r3, r5, 0, 21, 22 /* debugger might set SE & BE bits */ +#endif + SYNC /* Some chip revs need this... */ + mtmsr r3 + SYNC + mtspr SRR1, r3 /* Make SRR1 match MSR */ + + + lis r3, CFG_IMMRBAR@h +#if defined(CONFIG_WATCHDOG) + /* Initialise the Wathcdog values and reset it (if req) */ + /*------------------------------------------------------*/ + lis r4, CFG_WATCHDOG_VALUE + ori r4, r4, (SWCRR_SWEN | SWCRR_SWRI | SWCRR_SWPR) + stw r4, SWCRR(r3) + + /* and reset it */ + + li r4, 0x556C + sth r4, SWSRR@l(r3) + li r4, 0xAA39 + sth r4, SWSRR@l(r3) +#else + /* Disable Wathcdog */ + /*-------------------*/ + xor r4, r4, r4 + stw r4, SWCRR(r3) +#endif /* CONFIG_WATCHDOG */ + + /* Initialize the Hardware Implementation-dependent Registers */ + /* HID0 also contains cache control */ + /*------------------------------------------------------*/ + + lis r3, CFG_HID0_INIT@h + ori r3, r3, CFG_HID0_INIT@l + SYNC + mtspr HID0, r3 + + lis r3, CFG_HID0_FINAL@h + ori r3, r3, CFG_HID0_FINAL@l + SYNC + mtspr HID0, r3 + + lis r3, CFG_HID2@h + ori r3, r3, CFG_HID2@l + SYNC + mtspr HID2, r3 + + /* clear all BAT's */ + /*----------------------------------*/ + + xor r0, r0, r0 + mtspr DBAT0U, r0 + mtspr DBAT0L, r0 + mtspr DBAT1U, r0 + mtspr DBAT1L, r0 + mtspr DBAT2U, r0 + mtspr DBAT2L, r0 + mtspr DBAT3U, r0 + mtspr DBAT3L, r0 + mtspr IBAT0U, r0 + mtspr IBAT0L, r0 + mtspr IBAT1U, r0 + mtspr IBAT1L, r0 + mtspr IBAT2U, r0 + mtspr IBAT2L, r0 + mtspr IBAT3U, r0 + mtspr IBAT3L, r0 + SYNC + + /* invalidate all tlb's + * + * From the 603e User Manual: "The 603e provides the ability to + * invalidate a TLB entry. The TLB Invalidate Entry (tlbie) + * instruction invalidates the TLB entry indexed by the EA, and + * operates on both the instruction and data TLBs simultaneously + * invalidating four TLB entries (both sets in each TLB). The + * index corresponds to bits 15-19 of the EA. To invalidate all + * entries within both TLBs, 32 tlbie instructions should be + * issued, incrementing this field by one each time." + * + * "Note that the tlbia instruction is not implemented on the + * 603e." + * + * bits 15-19 correspond to addresses 0x00000000 to 0x0001F000 + * incrementing by 0x1000 each time. The code below is sort of + * based on code in "flush_tlbs" from arch/ppc/kernel/head.S + * + */ + + li r3, 32 + mtctr r3 + li r3, 0 +1: tlbie r3 + addi r3, r3, 0x1000 + bdnz 1b + SYNC + + /* Done! */ + /*------------------------------*/ + blr + +/* Cache functions. + * + * Note: requires that all cache bits in + * HID0 are in the low half word. + */ + .globl icache_enable +icache_enable: + mfspr r3, HID0 + ori r3, r3, HID0_ICE + lis r4, 0 + ori r4, r4, HID0_ILOCK + andc r3, r3, r4 + ori r4, r3, HID0_ICFI + isync + mtspr HID0, r4 /* sets enable and invalidate, clears lock */ + isync + mtspr HID0, r3 /* clears invalidate */ + blr + + .globl icache_disable +icache_disable: + mfspr r3, HID0 + lis r4, 0 + ori r4, r4, HID0_ICE|HID0_ILOCK + andc r3, r3, r4 + ori r4, r3, HID0_ICFI + isync + mtspr HID0, r4 /* sets invalidate, clears enable and lock*/ + isync + mtspr HID0, r3 /* clears invalidate */ + blr + + .globl icache_status +icache_status: + mfspr r3, HID0 + rlwinm r3, r3, HID0_ICE_SHIFT, 31, 31 + blr + + .globl dcache_enable +dcache_enable: + mfspr r3, HID0 + ori r3, r3, HID0_ENABLE_DATA_CACHE + lis r4, 0 + ori r4, r4, HID0_LOCK_DATA_CACHE + andc r3, r3, r4 + ori r4, r3, HID0_LOCK_INSTRUCTION_CACHE + sync + mtspr HID0, r4 /* sets enable and invalidate, clears lock */ + sync + mtspr HID0, r3 /* clears invalidate */ + blr + + .globl dcache_disable +dcache_disable: + mfspr r3, HID0 + lis r4, 0 + ori r4, r4, HID0_ENABLE_DATA_CACHE|HID0_LOCK_DATA_CACHE + andc r3, r3, r4 + ori r4, r3, HID0_INVALIDATE_DATA_CACHE + sync + mtspr HID0, r4 /* sets invalidate, clears enable and lock */ + sync + mtspr HID0, r3 /* clears invalidate */ + blr + + .globl dcache_status +dcache_status: + mfspr r3, HID0 + rlwinm r3, r3, HID0_DCE_SHIFT, 31, 31 + blr + + .globl get_pvr +get_pvr: + mfspr r3, PVR + blr + +/*-------------------------------------------------------------------*/ + +/* + * void relocate_code (addr_sp, gd, addr_moni) + * + * This "function" does not return, instead it continues in RAM + * after relocating the monitor code. + * + * r3 = dest + * r4 = src + * r5 = length in bytes + * r6 = cachelinesize + */ + .globl relocate_code +relocate_code: + mr r1, r3 /* Set new stack pointer */ + mr r9, r4 /* Save copy of Global Data pointer */ + mr r10, r5 /* Save copy of Destination Address */ + + mr r3, r5 /* Destination Address */ + lis r4, CFG_MONITOR_BASE@h /* Source Address */ + ori r4, r4, CFG_MONITOR_BASE@l + lwz r5, GOT(__init_end) + sub r5, r5, r4 + li r6, CFG_CACHELINE_SIZE /* Cache Line Size */ + + /* + * Fix GOT pointer: + * + * New GOT-PTR = (old GOT-PTR - CFG_MONITOR_BASE) + * + Destination Address + * + * Offset: + */ + sub r15, r10, r4 + + /* First our own GOT */ + add r14, r14, r15 + /* then the one used by the C code */ + add r30, r30, r15 + + /* + * Now relocate code + */ + + cmplw cr1,r3,r4 + addi r0,r5,3 + srwi. r0,r0,2 + beq cr1,4f /* In place copy is not necessary */ + beq 7f /* Protect against 0 count */ + mtctr r0 + bge cr1,2f + la r8,-4(r4) + la r7,-4(r3) + + /* copy */ +1: lwzu r0,4(r8) + stwu r0,4(r7) + bdnz 1b + + addi r0,r5,3 + srwi. r0,r0,2 + mtctr r0 + la r8,-4(r4) + la r7,-4(r3) + + /* and compare */ +20: lwzu r20,4(r8) + lwzu r21,4(r7) + xor. r22, r20, r21 + bne 30f + bdnz 20b + b 4f + + /* compare failed */ +30: li r3, 0 + blr + +2: slwi r0,r0,2 /* re copy in reverse order ... y do we needed it? */ + add r8,r4,r0 + add r7,r3,r0 +3: lwzu r0,-4(r8) + stwu r0,-4(r7) + bdnz 3b + + + +/* + * Now flush the cache: note that we must start from a cache aligned + * address. Otherwise we might miss one cache line. + */ +4: + bl un_setup_stack_in_data_cache + mr r7, r3 + mr r8, r4 + bl dcache_disable + mr r3, r7 + mr r4, r8 + + cmpwi r6,0 + add r5,r3,r5 + beq 7f /* Always flush prefetch queue in any case */ + subi r0,r6,1 + andc r3,r3,r0 + mfspr r7,HID0 /* don't do dcbst if dcache is disabled*/ + rlwinm r7,r7,HID0_DCE_SHIFT,31,31 + cmpwi r7,0 + beq 9f + mr r4,r3 +5: dcbst 0,r4 + add r4,r4,r6 + cmplw r4,r5 + blt 5b + sync /* Wait for all dcbst to complete on bus */ +9: mfspr r7,HID0 /* don't do icbi if icache is disabled */ + rlwinm r7,r7,HID0_DCE_SHIFT,31,31 + cmpwi r7,0 + beq 7f + mr r4,r3 +6: icbi 0,r4 + add r4,r4,r6 + cmplw r4,r5 + blt 6b +7: sync /* Wait for all icbi to complete on bus */ + isync + +/* + * We are done. Do not return, instead branch to second part of board + * initialization, now running from RAM. + */ + + addi r0, r10, in_ram - _start + EXC_OFF_SYS_RESET + mtlr r0 + blr + +in_ram: + + /* + * Relocation Function, r14 point to got2+0x8000 + * + * Adjust got2 pointers, no need to check for 0, this code + * already puts a few entries in the table. + */ + li r0,__got2_entries@sectoff@l + la r3,GOT(_GOT2_TABLE_) + lwz r11,GOT(_GOT2_TABLE_) + mtctr r0 + sub r11,r3,r11 + addi r3,r3,-4 +1: lwzu r0,4(r3) + add r0,r0,r11 + stw r0,0(r3) + bdnz 1b + + /* + * Now adjust the fixups and the pointers to the fixups + * in case we need to move ourselves again. + */ +2: li r0,__fixup_entries@sectoff@l + lwz r3,GOT(_FIXUP_TABLE_) + cmpwi r0,0 + mtctr r0 + addi r3,r3,-4 + beq 4f +3: lwzu r4,4(r3) + lwzux r0,r4,r11 + add r0,r0,r11 + stw r10,0(r3) + stw r0,0(r4) + bdnz 3b +4: +clear_bss: + /* + * Now clear BSS segment + */ + lwz r3,GOT(__bss_start) +#if defined(CONFIG_HYMOD) + /* + * For HYMOD - the environment is the very last item in flash. + * The real .bss stops just before environment starts, so only + * clear up to that point. + * + * taken from mods for FADS board + */ + lwz r4,GOT(environment) +#else + lwz r4,GOT(_end) +#endif + + cmplw 0, r3, r4 + beq 6f + + li r0, 0 +5: + stw r0, 0(r3) + addi r3, r3, 4 + cmplw 0, r3, r4 + bne 5b +6: + + mr r3, r9 /* Global Data pointer */ + mr r4, r10 /* Destination Address */ + bl board_init_r + + /* + * Copy exception vector code to low memory + * + * r3: dest_addr + * r7: source address, r8: end address, r9: target address + */ + .globl trap_init +trap_init: + lwz r7, GOT(_start) + lwz r8, GOT(_end_of_vectors) + + li r9, 0x100 /* reset vector always at 0x100 */ + + cmplw 0, r7, r8 + bgelr /* return if r7>=r8 - just in case */ + + mflr r4 /* save link register */ +1: + lwz r0, 0(r7) + stw r0, 0(r9) + addi r7, r7, 4 + addi r9, r9, 4 + cmplw 0, r7, r8 + bne 1b + + /* + * relocate `hdlr' and `int_return' entries + */ + li r7, .L_MachineCheck - _start + EXC_OFF_SYS_RESET + li r8, Alignment - _start + EXC_OFF_SYS_RESET +2: + bl trap_reloc + addi r7, r7, 0x100 /* next exception vector */ + cmplw 0, r7, r8 + blt 2b + + li r7, .L_Alignment - _start + EXC_OFF_SYS_RESET + bl trap_reloc + + li r7, .L_ProgramCheck - _start + EXC_OFF_SYS_RESET + bl trap_reloc + + li r7, .L_FPUnavailable - _start + EXC_OFF_SYS_RESET + li r8, SystemCall - _start + EXC_OFF_SYS_RESET +3: + bl trap_reloc + addi r7, r7, 0x100 /* next exception vector */ + cmplw 0, r7, r8 + blt 3b + + li r7, .L_SingleStep - _start + EXC_OFF_SYS_RESET + li r8, _end_of_vectors - _start + EXC_OFF_SYS_RESET +4: + bl trap_reloc + addi r7, r7, 0x100 /* next exception vector */ + cmplw 0, r7, r8 + blt 4b + + mfmsr r3 /* now that the vectors have */ + lis r7, MSR_IP@h /* relocated into low memory */ + ori r7, r7, MSR_IP@l /* MSR[IP] can be turned off */ + andc r3, r3, r7 /* (if it was on) */ + SYNC /* Some chip revs need this... */ + mtmsr r3 + SYNC + + mtlr r4 /* restore link register */ + blr + + /* + * Function: relocate entries for one exception vector + */ +trap_reloc: + lwz r0, 0(r7) /* hdlr ... */ + add r0, r0, r3 /* ... += dest_addr */ + stw r0, 0(r7) + + lwz r0, 4(r7) /* int_return ... */ + add r0, r0, r3 /* ... += dest_addr */ + stw r0, 4(r7) + + blr + +#ifdef CFG_INIT_RAM_LOCK +.globl unlock_ram_in_cache +unlock_ram_in_cache: + /* invalidate the INIT_RAM section */ + lis r3, (CFG_INIT_RAM_ADDR & ~31)@h + ori r3, r3, (CFG_INIT_RAM_ADDR & ~31)@l + li r2,512 + mtctr r2 +1: icbi r0, r3 + dcbi r0, r3 + addi r3, r3, 32 + bdnz 1b + sync /* Wait for all icbi to complete on bus */ + isync + blr +#endif + +map_flash_by_law1: + /* When booting from ROM (Flash or EPROM), clear the */ + /* Address Mask in OR0 so ROM appears everywhere */ + /*----------------------------------------------------*/ + lis r3, (CFG_IMMRBAR)@h /* r3 <= CFG_IMMRBAR */ + lwz r4, OR0@l(r3) + li r5, 0x7fff /* r5 <= 0x00007FFFF */ + and r4, r4, r5 + stw r4, OR0@l(r3) /* OR0 <= OR0 & 0x00007FFFF */ + + /* As MPC8349E User's Manual presented, when RCW[BMS] is set to 0, + * system will boot from 0x0000_0100, and the LBLAWBAR0[BASE_ADDR] + * reset value is 0x00000; when RCW[BMS] is set to 1, system will boot + * from 0xFFF0_0100, and the LBLAWBAR0[BASE_ADDR] reset value is + * 0xFF800. From the hard resetting to here, the processor fetched and + * executed the instructions one by one. There is not absolutely + * jumping happened. Laterly, the u-boot code has to do an absolutely + * jumping to tell the CPU instruction fetching component what the + * u-boot TEXT base address is. Because the TEXT base resides in the + * boot ROM memory space, to garantee the code can run smoothly after + * that jumping, we must map in the entire boot ROM by Local Access + * Window. Sometimes, we desire an non-0x00000 or non-0xFF800 starting + * address for boot ROM, such as 0xFE000000. In this case, the default + * LBIU Local Access Widow 0 will not cover this memory space. So, we + * need another window to map in it. + */ + lis r4, (CFG_FLASH_BASE)@h + ori r4, r4, (CFG_FLASH_BASE)@l + stw r4, LBLAWBAR1(r3) /* LBLAWBAR1 <= CFG_FLASH_BASE */ + lis r4, (0x80000016)@h + ori r4, r4, (0x80000016)@l + stw r4, LBLAWAR1(r3) /* LBLAWAR1 <= 8MB Flash Size */ + blr + + /* Though all the LBIU Local Access Windows and LBC Banks will be + * initialized in the C code, we'd better configure boot ROM's + * window 0 and bank 0 correctly at here. + */ +remap_flash_by_law0: + /* Initialize the BR0 with the boot ROM starting address. */ + lwz r4, BR0(r3) + li r5, 0x7FFF + and r4, r4, r5 + lis r5, (CFG_FLASH_BASE & 0xFFFF8000)@h + ori r5, r5, (CFG_FLASH_BASE & 0xFFFF8000)@l + or r5, r5, r4 + stw r5, BR0(r3) /* r5 <= (CFG_FLASH_BASE & 0xFFFF8000) | (BR0 & 0x00007FFF) */ + + lwz r4, OR0(r3) + lis r5, 0xFF80 /* 8M */ + or r4, r4, r5 + stw r4, OR0(r3) /* OR0 <= OR0 | 0xFF800000 */ + + lis r4, (CFG_FLASH_BASE)@h + ori r4, r4, (CFG_FLASH_BASE)@l + stw r4, LBLAWBAR0(r3) /* LBLAWBAR0 <= CFG_FLASH_BASE */ + + lis r4, (0x80000016)@h + ori r4, r4, (0x80000016)@l + stw r4, LBLAWAR0(r3) /* LBLAWAR0 <= 8MB Flash Size */ + + xor r4, r4, r4 + stw r4, LBLAWBAR1(r3) + stw r4, LBLAWAR1(r3) /* Off LBIU LAW1 */ + blr + +setup_stack_in_data_cache_on_r1: + lis r3, (CFG_IMMRBAR)@h + + /* setup D-BAT for the D-Cache (with out real memory backup) */ + + lis r4, (CFG_INIT_RAM_ADDR & 0xFFFE0000)@h + mtspr DBAT0U, r4 + ori r4, r4, 0x0002 + mtspr DBAT0L, r4 + isync + +#if 0 + /* Enable MMU */ + mfmsr r4 + ori r4, r4, (MSR_DR | MSR_IR)@l + mtmsr r4 +#endif + + /* Enable and invalidate data cache. */ + mfspr r4, HID0 + mr r5, r4 + ori r4, r4, HID0_DCE | HID0_DCI + ori r5, r5, HID0_DCE + sync + mtspr HID0, r4 + mtspr HID0, r5 + sync + + /* Allocate Initial RAM in data cache.*/ + li r0, 0 + lis r4, (CFG_INIT_RAM_ADDR)@h + ori r4, r4, (CFG_INIT_RAM_ADDR)@l + li r5, 128*8 /* 128*8*32=32Kb */ + mtctr r5 +1: + dcbz r0, r4 + addi r4, r4, 32 + bdnz 1b + isync + + /* Lock all the D-cache, basically leaving the reset of the program without dcache */ + mfspr r4, HID0 + ori r4, r4, (HID0_DLOCK)@l + sync + mtspr HID0 , r4 + + /* setup the stack pointer in r1 */ + lis r1, (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET)@h + ori r1, r1, (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET)@l + li r0, 0 /* Make room for stack frame header and */ + + stwu r0, -4(r1) /* clear final stack frame so that */ + stwu r0, -4(r1) /* stack backtraces terminate cleanly */ + + blr + +un_setup_stack_in_data_cache: + blr + mr r14, r4 + mr r15, r5 + + + lis r4, (CFG_INIT_RAM_ADDR & 0xFFFE0000)@h + mtspr DBAT0U, r4 + ori r4, r4, 0x0002 + mtspr DBAT0L, r4 + isync + + /* un lock all the D-cache */ + mfspr r4, HID0 + lis r5, (~(HID0_DLOCK))@h + ori r5, r5, (~(HID0_DLOCK))@l + and r4, r4, r5 + sync + mtspr HID0 , r4 + + /* Re - Allocate Initial RAM in data cache.*/ + li r0, 0 + lis r4, (CFG_INIT_RAM_ADDR)@h + ori r4, r4, (CFG_INIT_RAM_ADDR)@l + li r5, 128*8 /* 128*8*32=32Kb */ + mtctr r5 +1: + dcbz r0, r4 + addi r4, r4, 32 + bdnz 1b + isync + + mflr r16 + bl dcache_disable + mtlr r16 + + blr + +#if 0 +#define GREEN_LIGHT 0x2B0D4046 +#define RED_LIGHT 0x250D4046 +#define LIB_CNT 0x4FFF + +/* + * Lib Light + */ + + .globl liblight +liblight: + lis r3, CFG_IMMRBAR@h + ori r3, r3, CFG_IMMRBAR@l + li r4, 0x3002 + mtmsr r4 + xor r4, r4, r4 + mtspr HID0, r4 + mtspr HID2, r4 + lis r4, 0xF8000000@h + ori r4, r4, 0xF8000000@l + stw r4, LBLAWBAR1(r3) + lis r4, 0x8000000E@h + ori r4, r4, 0x8000000E@l + stw r4, LBLAWAR1(r3) + lis r4, 0xF8000801@h + ori r4, r4, 0xF8000801@l + stw r4, BR1(r3) + lis r4, 0xFFFFE8f0@h + ori r4, r4, 0xFFFFE8f0@l + stw r4, OR1(r3) + + lis r4, 0xF8000000@h + ori r4, r4, 0xF8000000@l + lis r5, GREEN_LIGHT@h + ori r5, r5, GREEN_LIGHT@l + lis r6, RED_LIGHT@h + ori r6, r6, RED_LIGHT@l + lis r7, LIB_CNT@h + ori r7, r7, LIB_CNT@l + +1: + stw r5, 0(r4) + mtctr r7 +2: bdnz 2b + stw r6, 0(r4) + mtctr r7 +3: bdnz 3b + b 1b + +#endif diff --git a/cpu/mpc83xx/traps.c b/cpu/mpc83xx/traps.c new file mode 100644 index 0000000..c7a5638 --- /dev/null +++ b/cpu/mpc83xx/traps.c @@ -0,0 +1,274 @@ +/* + * linux/arch/ppc/kernel/traps.c + * + * 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 + * + * Change log: + * + * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) + * + * Modified by Cort Dougan (cort@cs.nmt.edu) + * and Paul Mackerras (paulus@cs.anu.edu.au) + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 20050101: Eran Liberty (liberty@freescale.com) + * Initial file creating (porting from 85XX & 8260) + */ + +/* + * This file handles the architecture-dependent parts of hardware + * exceptions + */ + +#include <common.h> +#include <command.h> +#include <asm/processor.h> +#include <asm/mpc8349_pci.h> + +/* Returns 0 if exception not found and fixup otherwise. */ +extern unsigned long search_exception_table(unsigned long); + +#define END_OF_MEM (gd->bd->bi_memstart + gd->bd->bi_memsize) + +/* + * Trap & Exception support + */ + +void +print_backtrace(unsigned long *sp) +{ + DECLARE_GLOBAL_DATA_PTR; + int cnt = 0; + unsigned long i; + + puts ("Call backtrace: "); + while (sp) { + if ((uint)sp > END_OF_MEM) + break; + + i = sp[1]; + if (cnt++ % 7 == 0) + putc ('\n'); + printf("%08lX ", i); + if (cnt > 32) break; + sp = (unsigned long *)*sp; + } + putc ('\n'); +} + +void show_regs(struct pt_regs * regs) +{ + int i; + + printf("NIP: %08lX XER: %08lX LR: %08lX REGS: %p TRAP: %04lx DAR: %08lX\n", + regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar); + printf("MSR: %08lx EE: %01x PR: %01x FP: %01x ME: %01x IR/DR: %01x%01x\n", + regs->msr, regs->msr&MSR_EE ? 1 : 0, regs->msr&MSR_PR ? 1 : 0, + regs->msr & MSR_FP ? 1 : 0,regs->msr&MSR_ME ? 1 : 0, + regs->msr&MSR_IR ? 1 : 0, + regs->msr&MSR_DR ? 1 : 0); + + putc ('\n'); + for (i = 0; i < 32; i++) { + if ((i % 8) == 0) { + printf("GPR%02d: ", i); + } + + printf("%08lX ", regs->gpr[i]); + if ((i % 8) == 7) { + putc ('\n'); + } + } +} + + +void +_exception(int signr, struct pt_regs *regs) +{ + show_regs(regs); + print_backtrace((unsigned long *)regs->gpr[1]); + panic("Exception in kernel pc %lx signal %d",regs->nip,signr); +} + +#ifdef CONFIG_PCI +void dump_pci (void) +{ +/* + volatile immap_t *immap = (immap_t *) CFG_IMMR; + printf ("PCI: err status %x err mask %x err ctrl %x\n", + le32_to_cpu (immap->im_pci.pci_esr), + le32_to_cpu (immap->im_pci.pci_emr), + le32_to_cpu (immap->im_pci.pci_ecr)); + printf (" error address %x error data %x ctrl %x\n", + le32_to_cpu (immap->im_pci.pci_eacr), + le32_to_cpu (immap->im_pci.pci_edcr), + le32_to_cpu (immap->im_pci.pci_eccr)); +*/ +} +#endif + +void +MachineCheckException(struct pt_regs *regs) +{ + unsigned long fixup; + + /* Probing PCI using config cycles cause this exception + * when a device is not present. Catch it and return to + * the PCI exception handler. + */ +#ifdef CONFIG_PCI +#if 0 + volatile immap_t *immap = (immap_t *)CFG_IMMR; +#ifdef DEBUG + dump_pci(); +#endif + /* clear the error in the error status register */ + if(immap->im_pci.pci_esr & cpu_to_le32(PCI_ERROR_PCI_NO_RSP)) { + immap->im_pci.pci_esr = cpu_to_le32(PCI_ERROR_PCI_NO_RSP); + return; + } +#endif +#endif /* CONFIG_PCI */ + if ((fixup = search_exception_table(regs->nip)) != 0) { + regs->nip = fixup; + return; + } + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + if (debugger_exception_handler && (*debugger_exception_handler)(regs)) + return; +#endif + + puts ("Machine check in kernel mode.\n" + "Caused by (from msr): "); + printf("regs %p ",regs); + switch( regs->msr & 0x000F0000) { + case (0x80000000>>12): + puts ("Machine check signal - probably due to mm fault\n" + "with mmu off\n"); + break; + case (0x80000000>>13): + puts ("Transfer error ack signal\n"); + break; + case (0x80000000>>14): + puts ("Data parity signal\n"); + break; + case (0x80000000>>15): + puts ("Address parity signal\n"); + break; + default: + puts ("Unknown values in msr\n"); + } + show_regs(regs); + print_backtrace((unsigned long *)regs->gpr[1]); +#ifdef CONFIG_PCI + dump_pci(); +#endif + panic("machine check"); +} + +void +AlignmentException(struct pt_regs *regs) +{ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + if (debugger_exception_handler && (*debugger_exception_handler)(regs)) + return; +#endif + show_regs(regs); + print_backtrace((unsigned long *)regs->gpr[1]); + panic("Alignment Exception"); +} + +void +ProgramCheckException(struct pt_regs *regs) +{ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + if (debugger_exception_handler && (*debugger_exception_handler)(regs)) + return; +#endif + show_regs(regs); + print_backtrace((unsigned long *)regs->gpr[1]); + panic("Program Check Exception"); +} + +void +SoftEmuException(struct pt_regs *regs) +{ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + if (debugger_exception_handler && (*debugger_exception_handler)(regs)) + return; +#endif + show_regs(regs); + print_backtrace((unsigned long *)regs->gpr[1]); + panic("Software Emulation Exception"); +} + + +void +UnknownException(struct pt_regs *regs) +{ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + if (debugger_exception_handler && (*debugger_exception_handler)(regs)) + return; +#endif + printf("Bad trap at PC: %lx, SR: %lx, vector=%lx\n", + regs->nip, regs->msr, regs->trap); + _exception(0, regs); +} + +#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG) +extern void do_bedbug_breakpoint(struct pt_regs *); +#endif + +void +DebugException(struct pt_regs *regs) +{ + printf("Debugger trap at @ %lx\n", regs->nip ); + show_regs(regs); +#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG) + do_bedbug_breakpoint( regs ); +#endif +} + +/* Probe an address by reading. If not present, return -1, otherwise + * return 0. + */ +int +addr_probe(uint *addr) +{ +#if 0 + int retval; + + __asm__ __volatile__( \ + "1: lwz %0,0(%1)\n" \ + " eieio\n" \ + " li %0,0\n" \ + "2:\n" \ + ".section .fixup,\"ax\"\n" \ + "3: li %0,-1\n" \ + " b 2b\n" \ + ".section __ex_table,\"a\"\n" \ + " .align 2\n" \ + " .long 1b,3b\n" \ + ".text" \ + : "=r" (retval) : "r"(addr)); + + return (retval); +#endif + return 0; +} diff --git a/doc/README.mpc83xxads b/doc/README.mpc83xxads new file mode 100644 index 0000000..3d38397 --- /dev/null +++ b/doc/README.mpc83xxads @@ -0,0 +1,96 @@ +Freescale MPC83xx ADS Boards +----------------------------------------- + +0. Toolchain / Building + + % setenv CROSS_COMPILE /usr/powerpc/bin/powerpc-linux- + + % /usr/powerpc/bin/powerpc-linux-gcc -v + Reading specs from /usr/powerpc/lib/gcc/powerpc-linux/3.4.3/specs + Configured with: ../configure --prefix=/usr/powerpc + --exec-prefix=/usr/powerpc --target=powerpc-linux --enable-shared + --disable-nls --disable-multilib --enable-languages=c,c++,ada,f77,objc + Thread model: posix + gcc version 3.4.3 (Debian) + + % /usr/powerpc/bin/powerpc-linux-as -v + GNU assembler version 2.15 (powerpc-linux) using BFD version 2.15 + + + % make MPC8349ADS_config + Configuring for MPC8349ADS board... + + % make + + +1. Board Switches and Jumpers + + +2. Memory Map + +2.1. The memory map should look pretty much like this: + + 0x0000_0000 0x7fff_ffff DDR 2G + 0x8000_0000 0x9fff_ffff PCI MEM 512M + 0xc000_0000 0xdfff_ffff Rapid IO 512M + 0xe000_0000 0xe00f_ffff CCSR 1M + 0xe200_0000 0xe2ff_ffff PCI IO 16M + 0xf000_0000 0xf7ff_ffff SDRAM 128M + 0xf800_0000 0xf80f_ffff BCSR 1M + 0xfe00_0000 0xffff_ffff FLASH (boot bank) 16M + + +3. Definitions + +3.1 Explanation of NEW definitions in: + + include/configs/MPC8349ADS.h + + CONFIG_MPC83xx MPC83xx family + CONFIG_MPC8349 MPC8349 specific + CONFIG_MPC8349ADS MPC8349ADS board specific + CONFIG_TSEC_ENET Use on-chip 10/100/1000 ethernet + + +4. Compilation + + Assuming you're using BASH shell: + + export CROSS_COMPILE=your-cross-compile-prefix + cd u-boot + make distclean + make MPC8349ADS_config + make + +5. Downloading and Flashing Images + +5.0 Download over serial line using Kermit: + + loadb + [Drop to kermit: + ^\c + send <u-boot-bin-image> + c + ] + + + Or via tftp: + + tftp 10000 u-boot.bin + +5.1 Reflash U-boot Image using U-boot + + tftp 10000 u-boot.bin + protect off fe000000 fe09ffff + erase fe000000 fe09ffff + + cp.b 10000 fe000000 xxxx +or + cp.b 10000 fe000000 a0000 + +You might have to supply the correct byte count for 'xxxx' from +the TFTP. Maybe a0000 will work too, that corresponds to the +erased sectors. + + +6. Notes diff --git a/drivers/tsec.c b/drivers/tsec.c index 5ac6334..f5067b3 100644 --- a/drivers/tsec.c +++ b/drivers/tsec.c @@ -8,7 +8,6 @@ * * Copyright 2004 Freescale Semiconductor. * (C) Copyright 2003, Motorola, Inc. - * maintained by Jon Loeliger (loeliger@freescale.com) * author Andy Fleming * */ @@ -70,12 +69,12 @@ struct tsec_info_struct { * FEC_PHYIDX */ static struct tsec_info_struct tsec_info[] = { -#ifdef CONFIG_MPC85XX_TSEC1 +#if defined(CONFIG_MPC85XX_TSEC1) || defined(CONFIG_MPC83XX_TSEC1) {TSEC1_PHY_ADDR, TSEC_GIGABIT, TSEC1_PHYIDX}, #else { 0, 0, 0}, #endif -#ifdef CONFIG_MPC85XX_TSEC2 +#if defined(CONFIG_MPC85XX_TSEC2) || defined(CONFIG_MPC83XX_TSEC2) {TSEC2_PHY_ADDR, TSEC_GIGABIT, TSEC2_PHYIDX}, #else { 0, 0, 0}, @@ -83,12 +82,12 @@ static struct tsec_info_struct tsec_info[] = { #ifdef CONFIG_MPC85XX_FEC {FEC_PHY_ADDR, 0, FEC_PHYIDX}, #else -# ifdef CONFIG_MPC85XX_TSEC3 +# if defined(CONFIG_MPC85XX_TSEC3) || defined(CONFIG_MPC83XX_TSEC3) {TSEC3_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC3_PHYIDX}, # else { 0, 0, 0}, # endif -# ifdef CONFIG_MPC85XX_TSEC4 +# if defined(CONFIG_MPC85XX_TSEC4) || defined(CONFIG_MPC83XX_TSEC4) {TSEC4_PHY_ADDR, TSEC_REDUCED, TSEC4_PHYIDX}, # else { 0, 0, 0}, @@ -236,7 +235,7 @@ void write_phy_reg(struct tsec_private *priv, uint regnum, uint value) regbase->miimadd = (phyid << 8) | regnum; regbase->miimcon = value; - asm("msync"); + asm("sync"); timeout=1000000; while((regbase->miimind & MIIMIND_BUSY) && timeout--); @@ -261,11 +260,11 @@ uint read_phy_reg(struct tsec_private *priv, uint regnum) /* Clear the command register, and wait */ regbase->miimcom = 0; - asm("msync"); + asm("sync"); /* Initiate a read command, and wait */ regbase->miimcom = MIIM_READ_COMMAND; - asm("msync"); + asm("sync"); /* Wait for the the indication that the read is done */ while((regbase->miimind & (MIIMIND_NOTVALID | MIIMIND_BUSY))); @@ -293,14 +292,14 @@ static int init_phy(struct eth_device *dev) regs->tbipa = TBIPA_VALUE; regs = (volatile tsec_t *)(TSEC_BASE_ADDR + TSEC_SIZE); regs->tbipa = TBIPA_VALUE; - asm("msync"); + asm("sync"); } /* Reset MII (due to new addresses) */ priv->phyregs->miimcfg = MIIMCFG_RESET; - asm("msync"); + asm("sync"); priv->phyregs->miimcfg = MIIMCFG_INIT_VALUE; - asm("msync"); + asm("sync"); while(priv->phyregs->miimind & MIIMIND_BUSY); if(0 == relocated) @@ -439,7 +438,7 @@ uint mii_cis8204_fixled(uint mii_reg, struct tsec_private *priv) for(phyid=0;phyid<4;phyid++) { regbase->miimadd = (phyid << 8) | mii_reg; regbase->miimcon = MIIM_CIS8204_SLEDCON_INIT; - asm("msync"); + asm("sync"); timeout=1000000; while((regbase->miimind & MIIMIND_BUSY) && timeout--); diff --git a/drivers/tsec.h b/drivers/tsec.h index d1c70aa..15961d7 100644 --- a/drivers/tsec.h +++ b/drivers/tsec.h @@ -18,11 +18,22 @@ #define __TSEC_H #include <net.h> -#include <mpc85xx.h> +#include <config.h> + +#ifndef CFG_TSEC1_OFFSET + #define CFG_TSEC1_OFFSET (0x24000) +#endif -#define TSEC_BASE_ADDR (CFG_IMMR + 0x24000) #define TSEC_SIZE 0x01000 +/* FIXME: Should these be pushed back to 83xx and 85xx config files? */ +#if defined(CONFIG_MPC85xx) + #define TSEC_BASE_ADDR (CFG_IMMR + CFG_TSEC1_OFFSET) +#elif defined(CONFIG_MPC83XX) + #define TSEC_BASE_ADDR (CFG_IMMRBAR + CFG_TSEC1_OFFSET) +#endif + + #define MAC_ADDR_LEN 6 /* #define TSEC_TIMEOUT 1000000 */ diff --git a/include/asm-ppc/e300.h b/include/asm-ppc/e300.h new file mode 100644 index 0000000..3096a26 --- /dev/null +++ b/include/asm-ppc/e300.h @@ -0,0 +1,128 @@ +/* + * Copyright 2004 Freescale Semiconductor, Inc. + * Liberty Eran (liberty@freescale.com) + */ + +#ifndef __E300_H__ +#define __E300_H__ + +/* + * e300 Processor Version & Revision Numbers + */ +#define PVR_83xx 0x80830000 +#define PVR_8349_REV10 (PVR_83xx | 0x0010) +#define PVR_8349_REV11 (PVR_83xx | 0x0011) + +/* + * Hardware Implementation-Dependent Register 0 (HID0) + */ + +/* #define HID0 1008 already defined in processor.h */ +#define HID0_MASK_MACHINE_CHECK 0x00000000 +#define HID0_ENABLE_MACHINE_CHECK 0x80000000 + +#define HID0_DISABLE_CACHE_PARITY 0x00000000 +#define HID0_ENABLE_CACHE_PARITY 0x40000000 + +#define HID0_DISABLE_ADDRESS_PARITY 0x00000000 /* on mpc8349ads must be disabled */ +#define HID0_ENABLE_ADDRESS_PARITY 0x20000000 + +#define HID0_DISABLE_DATA_PARITY 0x00000000 /* on mpc8349ads must be disabled */ +#define HID0_ENABLE_DATE_PARITY 0x10000000 + +#define HID0_CORE_CLK_OUT 0x00000000 +#define HID0_CORE_CLK_OUT_DIV_2 0x08000000 + +#define HID0_ENABLE_ARTRY_OUT_PRECHARGE 0x00000000 /* on mpc8349ads must be enabled */ +#define HID0_DISABLE_ARTRY_OUT_PRECHARGE 0x01000000 + +#define HID0_DISABLE_DOSE_MODE 0x00000000 +#define HID0_ENABLE_DOSE_MODE 0x00800000 + +#define HID0_DISABLE_NAP_MODE 0x00000000 +#define HID0_ENABLE_NAP_MODE 0x00400000 + +#define HID0_DISABLE_SLEEP_MODE 0x00000000 +#define HID0_ENABLE_SLEEP_MODE 0x00200000 + +#define HID0_DISABLE_DYNAMIC_POWER_MANAGMENT 0x00000000 +#define HID0_ENABLE_DYNAMIC_POWER_MANAGMENT 0x00100000 + +#define HID0_SOFT_RESET 0x00010000 + +#define HID0_DISABLE_INSTRUCTION_CACHE 0x00000000 +#define HID0_ENABLE_INSTRUCTION_CACHE 0x00008000 + +#define HID0_DISABLE_DATA_CACHE 0x00000000 +#define HID0_ENABLE_DATA_CACHE 0x00004000 + +#define HID0_LOCK_INSTRUCTION_CACHE 0x00002000 + +#define HID0_LOCK_DATA_CACHE 0x00001000 + +#define HID0_INVALIDATE_INSTRUCTION_CACHE 0x00000800 + +#define HID0_INVALIDATE_DATA_CACHE 0x00000400 + +#define HID0_DISABLE_M_BIT 0x00000000 +#define HID0_ENABLE_M_BIT 0x00000080 + +#define HID0_FBIOB 0x00000010 + +#define HID0_DISABLE_ADDRESS_BROADCAST 0x00000000 +#define HID0_ENABLE_ADDRESS_BROADCAST 0x00000008 + +#define HID0_ENABLE_NOOP_DCACHE_INSTRUCTION 0x00000000 +#define HID0_DISABLE_NOOP_DCACHE_INSTRUCTION 0x00000001 + +/* + * Hardware Implementation-Dependent Register 2 (HID2) + */ +#define HID2 1011 + +#define HID2_LET 0x08000000 +#define HID2_HBE 0x00040000 +#define HID2_IWLCK_000 0x00000000 /* no ways locked */ +#define HID2_IWLCK_001 0x00002000 /* way 0 locked */ +#define HID2_IWLCK_010 0x00004000 /* way 0 through way 1 locked */ +#define HID2_IWLCK_011 0x00006000 /* way 0 through way 2 locked */ +#define HID2_IWLCK_100 0x00008000 /* way 0 through way 3 locked */ +#define HID2_IWLCK_101 0x0000A000 /* way 0 through way 4 locked */ +#define HID2_IWLCK_110 0x0000C000 /* way 0 through way 5 locked */ + + +/* BAT (block address translation */ +#define BATU_BEPI_MSK 0xfffe0000 +#define BATU_BL_MSK 0x00001ffc + +#define BATU_BL_128K 0x00000000 +#define BATU_BL_256K 0x00000004 +#define BATU_BL_512K 0x0000000c +#define BATU_BL_1M 0x0000001c +#define BATU_BL_2M 0x0000003c +#define BATU_BL_4M 0x0000007c +#define BATU_BL_8M 0x000000fc +#define BATU_BL_16M 0x000001fc +#define BATU_BL_32M 0x000003fc +#define BATU_BL_64M 0x000007fc +#define BATU_BL_128M 0x00000ffc +#define BATU_BL_256M 0x00001ffc + +#define BATU_VS 0x00000002 +#define BATU_VP 0x00000001 + +#define BATL_BRPN_MSK 0xfffe0000 +#define BATL_WIMG_MSK 0x00000078 + +#define BATL_WRITETHROUGH 0x00000040 +#define BATL_CACHEINHIBIT 0x00000020 +#define BATL_MEMCOHERENCE 0x00000010 +#define BATL_GUARDEDSTORAGE 0x00000008 + +#define BATL_PP_MSK 0x00000003 +#define BATL_PP_00 0x00000000 /* No access */ +#define BATL_PP_01 0x00000001 /* Read-only */ +#define BATL_PP_10 0x00000002 /* Read-write */ +#define BATL_PP_11 0x00000003 + +#endif /* __E300_H__ */ diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h index 2b57a8b..9681a74 100644 --- a/include/asm-ppc/global_data.h +++ b/include/asm-ppc/global_data.h @@ -23,6 +23,9 @@ #ifndef __ASM_GBL_DATA_H #define __ASM_GBL_DATA_H + +#include "asm/types.h" + /* * The following data structure is placed in some memory wich is * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or @@ -46,6 +49,20 @@ typedef struct global_data { unsigned long scc_clk; unsigned long brg_clk; #endif +#if defined(CONFIG_MPC83XX) + /* There are other clocks in the MPC83XX */ + u32 csb_clk; + u32 tsec1_clk; + u32 tsec2_clk; + u32 core_clk; + u32 usbmph_clk; + u32 usbdr_clk; + u32 i2c_clk; + u32 enc_clk; + u32 lbiu_clk; + u32 lclk_clk; + u32 ddr_clk; +#endif #if defined(CONFIG_MPC5xxx) unsigned long ipb_clk; unsigned long pci_clk; diff --git a/include/asm-ppc/i2c.h b/include/asm-ppc/i2c.h new file mode 100644 index 0000000..e7ec9aa --- /dev/null +++ b/include/asm-ppc/i2c.h @@ -0,0 +1,104 @@ +/* + * Freescale I2C Controller + * + * This software may be used and distributed according to the + * terms of the GNU Public License, Version 2, incorporated + * herein by reference. + * + * Copyright 2004 Freescale Semiconductor. + * (C) Copyright 2003, Motorola, Inc. + * author: Eran Liberty (liberty@freescale.com) + * + * 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 + */ + +#ifndef _ASM_I2C_H_ +#define _ASM_I2C_H_ + +#include <asm/types.h> + +typedef struct i2c +{ + u8 adr; /**< I2C slave address */ +#define I2C_ADR 0xFE +#define I2C_ADR_SHIFT 1 +#define I2C_ADR_RES ~(I2C_ADR) + u8 res0[3]; + u8 fdr; /**< I2C frequency divider register */ + +#define IC2_FDR 0x3F +#define IC2_FDR_SHIFT 0 +#define IC2_FDR_RES ~(IC2_FDR) + u8 res1[3]; + u8 cr; /**< I2C control redister */ +#define I2C_CR_MEN 0x80 +#define I2C_CR_MIEN 0x40 +#define I2C_CR_MSTA 0x20 +#define I2C_CR_MTX 0x10 +#define I2C_CR_TXAK 0x08 +#define I2C_CR_RSTA 0x04 +#define I2C_CR_BCST 0x01 + u8 res2[3]; + u8 sr; /**< I2C status register */ +#define I2C_SR_MCF 0x80 +#define I2C_SR_MAAS 0x40 +#define I2C_SR_MBB 0x20 +#define I2C_SR_MAL 0x10 +#define I2C_SR_BCSTM 0x08 +#define I2C_SR_SRW 0x04 +#define I2C_SR_MIF 0x02 +#define I2C_SR_RXAK 0x01 + u8 res3[3]; + u8 dr; /**< I2C data register */ +#define I2C_DR 0xFF +#define I2C_DR_SHIFT 0 +#define I2C_DR_RES ~(I2C_DR) + u8 res4[3]; + u8 dfsrr; /**< I2C digital filter sampling rate register */ +#define I2C_DFSRR 0x3F +#define I2C_DFSRR_SHIFT 0 +#define I2C_DFSRR_RES ~(I2C_DR) + u8 res5[3]; + u8 res6[0xE8]; +} i2c_t; + +#ifndef CFG_HZ +#error CFG_HZ is not defined in /include/configs/${BOARD}.h +#endif +#define I2C_TIMEOUT (CFG_HZ/4) + +#ifndef CFG_IMMRBAR +#error CFG_IMMRBAR is not defined in /include/configs/${BOARD}.h +#endif + +#ifndef CFG_I2C_OFFSET +#error CFG_I2C_OFFSET is not defined in /include/configs/${BOARD}.h +#endif + +#ifdef CONFIG_MPC8349ADS +/* + * MPC8349 have two i2c bus + */ +extern i2c_t * mpc8349_i2c; +#define I2C mpc8349_i2c +#else +#define I2C ((i2c_t*)(CFG_IMMRBAR + CFG_I2C_OFFSET)) +#endif + +#define I2C_READ 1 +#define I2C_WRITE 0 + +#endif /* _ASM_I2C_H_ */ diff --git a/include/asm-ppc/immap_83xx.h b/include/asm-ppc/immap_83xx.h new file mode 100644 index 0000000..e894cda --- /dev/null +++ b/include/asm-ppc/immap_83xx.h @@ -0,0 +1,1032 @@ +/* + * MPC8349 Internal Memory Map + * Copyright (c) 2004 Freescale Semiconductor. + * Eran Liberty (liberty@freescale.com) + * + * based on: + * - MPC8260 Internal Memory Map + * Copyright (c) 1999 Dan Malek (dmalek@jlc.net) + * - MPC85xx Internal Memory Map + * Copyright(c) 2002,2003 Motorola Inc. + * Xianghua Xiao (x.xiao@motorola.com) + */ +#ifndef __IMMAP_8349__ +#define __IMMAP_8349__ + +#include <asm/types.h> +#include <asm/i2c.h> + +/* + * Local Access Window. + */ +typedef struct law8349 { + u32 bar; /* LBIU local access window base address register */ +#define LAWBAR_BAR 0xFFFFF000 /* Identifies the 20 most-significant address bits of the base of local access window n. The specified base address should be aligned to the window size, as defined by LBLAWARn[SIZE]. */ +#define LAWBAR_RES ~(LAWBAR_BAR) + u32 ar; /* LBIU local access window attribute register */ +/* + * This Macro were moved into mmu.h + */ +#if 0 +#define LAWAR_EN 0x80000000 /* 0 The local bus local access window n is disabled. 1 The local bus local access window n is enabled and other LBLAWAR0 and LBLAWBAR0 fields combine to identify an address range for this window. */ +#define LAWAR_SIZE 0x0000003F /* Identifies the size of the window from the starting address. Window size is 2^(SIZE+1) bytes. 000000–001010Reserved. Window is undefined. */ +#define LAWAR_SIZE_4K 0x0000000B +#define LAWAR_SIZE_8K 0x0000000C +#define LAWAR_SIZE_16K 0x0000000D +#define LAWAR_SIZE_32K 0x0000000E +#define LAWAR_SIZE_64K 0x0000000F +#define LAWAR_SIZE_128K 0x00000010 +#define LAWAR_SIZE_256K 0x00000011 +#define LAWAR_SIZE_512K 0x00000012 +#define LAWAR_SIZE_1M 0x00000013 +#define LAWAR_SIZE_2M 0x00000014 +#define LAWAR_SIZE_4M 0x00000015 +#define LAWAR_SIZE_8M 0x00000016 +#define LAWAR_SIZE_16M 0x00000017 +#define LAWAR_SIZE_32M 0x00000018 +#define LAWAR_SIZE_64M 0x00000019 +#define LAWAR_SIZE_128M 0x0000001A +#define LAWAR_SIZE_256M 0x0000001B +#define LAWAR_SIZE_512M 0x0000001C +#define LAWAR_SIZE_1G 0x0000001D +#define LAWAR_SIZE_2G 0x0000001E +#define LAWAR_RES ~(LAWAR_EN|LAWAR_SIZE) +#endif + +} law8349_t; + +/* + * System configuration registers. + */ +typedef struct sysconf8349 { + u32 immrbar; /* Internal memory map base address register */ + u8 res0[0x04]; + u32 altcbar; /* Alternate configuration base address register */ +#define ALTCBAR_BASE_ADDR 0xFFF00000 /* Identifies the12 most significant address bits of an alternate base address used for boot sequencer configuration accesses. */ +#define ALTCBAR_RES ~(ALTCBAR_BASE_ADDR) /* Reserved. Write has no effect, read returns 0. */ + u8 res1[0x14]; + law8349_t lblaw[4]; /* LBIU local access window */ + u8 res2[0x20]; + law8349_t pcilaw[2]; /* PCI local access window */ + u8 res3[0x30]; + law8349_t ddrlaw[2]; /* DDR local access window */ + u8 res4[0x50]; + u32 sgprl; /* System General Purpose Register Low */ + u32 sgprh; /* System General Purpose Register High */ + u32 spridr; /* System Part and Revision ID Register */ +#define SPRIDR_PARTID 0xFFFF0000 /* Part Identification. */ +#define SPRIDR_REVID 0x0000FFFF /* Revision Identification. */ + u8 res5[0x04]; + u32 spcr; /* System Priority Configuration Register */ +#define SPCR_PCIHPE 0x10000000 /* PCI Highest Priority Enable. */ +#define SPCR_PCIPR 0x03000000 /* PCI bridge system bus request priority. */ +#define SPCR_TBEN 0x00400000 /* E300 PowerPC core time base unit enable. */ +#define SPCR_COREPR 0x00300000 /* E300 PowerPC Core system bus request priority. */ +#define SPCR_TSEC1DP 0x00003000 /* TSEC1 data priority. */ +#define SPCR_TSEC1BDP 0x00000C00 /* TSEC1 buffer descriptor priority. */ +#define SPCR_TSEC1EP 0x00000300 /* TSEC1 emergency priority. */ +#define SPCR_TSEC2DP 0x00000030 /* TSEC2 data priority. */ +#define SPCR_TSEC2BDP 0x0000000C /* TSEC2 buffer descriptor priority. */ +#define SPCR_TSEC2EP 0x00000003 /* TSEC2 emergency priority. */ +#define SPCR_RES ~(SPCR_PCIHPE|SPCR_PCIPR|SPCR_TBEN|SPCR_COREPR|SPCR_TSEC1DP \ + |SPCR_TSEC1BDP|SPCR_TSEC1EP|SPCR_TSEC2DP|SPCR_TSEC2BDP|SPCR_TSEC2EP) + u32 sicrl; /* System General Purpose Register Low */ +#define SICRL_LDP_A 0x80000000 +#define SICRL_USB0 0x40000000 +#define SICRL_USB1 0x20000000 +#define SICRL_UART 0x0C000000 +#define SICRL_GPIO1_A 0x02000000 +#define SICRL_GPIO1_B 0x01000000 +#define SICRL_GPIO1_C 0x00800000 +#define SICRL_GPIO1_D 0x00400000 +#define SICRL_GPIO1_E 0x00200000 +#define SICRL_GPIO1_F 0x00180000 +#define SICRL_GPIO1_G 0x00040000 +#define SICRL_GPIO1_H 0x00020000 +#define SICRL_GPIO1_I 0x00010000 +#define SICRL_GPIO1_J 0x00008000 +#define SICRL_GPIO1_K 0x00004000 +#define SICRL_GPIO1_L 0x00003000 +#define SICRL_RES ~(SICRL_LDP_A|SICRL_USB0|SICRL_USB1|SICRL_UART|SICRL_GPIO1_A \ + |SICRL_GPIO1_B|SICRL_GPIO1_C|SICRL_GPIO1_D|SICRL_GPIO1_E \ + |SICRL_GPIO1_F|SICRL_GPIO1_G|SICRL_GPIO1_H|SICRL_GPIO1_I \ + |SICRL_GPIO1_J|SICRL_GPIO1_K|SICRL_GPIO1_L ) + u32 sicrh; /* System General Purpose Register High */ +#define SICRH_DDR 0x80000000 +#define SICRH_TSEC1_A 0x10000000 +#define SICRH_TSEC1_B 0x08000000 +#define SICRH_TSEC1_C 0x04000000 +#define SICRH_TSEC1_D 0x02000000 +#define SICRH_TSEC1_E 0x01000000 +#define SICRH_TSEC1_F 0x00800000 +#define SICRH_TSEC2_A 0x00400000 +#define SICRH_TSEC2_B 0x00200000 +#define SICRH_TSEC2_C 0x00100000 +#define SICRH_TSEC2_D 0x00080000 +#define SICRH_TSEC2_E 0x00040000 +#define SICRH_TSEC2_F 0x00020000 +#define SICRH_TSEC2_G 0x00010000 +#define SICRH_TSEC2_H 0x00008000 +#define SICRH_GPIO2_A 0x00004000 +#define SICRH_GPIO2_B 0x00002000 +#define SICRH_GPIO2_C 0x00001000 +#define SICRH_GPIO2_D 0x00000800 +#define SICRH_GPIO2_E 0x00000400 +#define SICRH_GPIO2_F 0x00000200 +#define SICRH_GPIO2_G 0x00000180 +#define SICRH_GPIO2_H 0x00000060 +#define SICRH_TSOBI1 0x00000002 +#define SICRH_TSOBI2 0x00000001 +#define SICRh_RES ~(SICRH_DDR|SICRH_TSEC1_A|SICRH_TSEC1_B|SICRH_TSEC1_C \ + |SICRH_TSEC1_D|SICRH_TSEC1_E|SICRH_TSEC1_F|SICRH_TSEC2_A \ + |SICRH_TSEC2_B|SICRH_TSEC2_C|SICRH_TSEC2_D|SICRH_TSEC2_E \ + |SICRH_TSEC2_F|SICRH_TSEC2_G|SICRH_TSEC2_H|SICRH_GPIO2_A \ + |SICRH_GPIO2_B|SICRH_GPIO2_C|SICRH_GPIO2_D|SICRH_GPIO2_E \ + |SICRH_GPIO2_F|SICRH_GPIO2_G|SICRH_GPIO2_H|SICRH_TSOBI1 \ + |SICRH_TSOBI2) + u8 res6[0xE4]; +} sysconf8349_t; + +/* + * Watch Dog Timer (WDT) Registers + */ +typedef struct wdt8349 { + u8 res0[4]; + u32 swcrr; /* System watchdog control register */ + u32 swcnr; /* System watchdog count register */ +#define SWCNR_SWCN 0x0000FFFF Software Watchdog Count Field. +#define SWCNR_RES ~(SWCNR_SWCN) + u8 res1[2]; + u16 swsrr; /* System watchdog service register */ + u8 res2[0xF0]; +} wdt8349_t; + +/* + * RTC/PIT Module Registers + */ +typedef struct rtclk8349 { + u32 cnr; /* control register */ +#define CNR_CLEN 0x00000080 /* Clock Enable Control Bit */ +#define CNR_CLIN 0x00000040 /* Input Clock Control Bit */ +#define CNR_AIM 0x00000002 /* Alarm Interrupt Mask Bit */ +#define CNR_SIM 0x00000001 /* Second Interrupt Mask Bit */ +#define CNR_RES ~(CNR_CLEN | CNR_CLIN | CNR_AIM | CNR_SIM) + u32 ldr; /* load register */ + u32 psr; /* prescale register */ + u32 ctr; /* register */ + u32 evr; /* event register */ +#define RTEVR_SIF 0x00000001 /* Second Interrupt Flag Bit */ +#define RTEVR_AIF 0x00000002 /* Alarm Interrupt Flag Bit */ +#define RTEVR_RES ~(EVR_SIF | EVR_AIF) + u32 alr; /* alarm register */ + u8 res0[0xE8]; +} rtclk8349_t; + +/* + * Global timper module + */ + +typedef struct gtm8349 { + u8 cfr1; /* Timer1/2 Configuration */ +#define CFR1_PCAS 0x80 /* Pair Cascade mode */ +#define CFR1_BCM 0x40 /* Backward compatible mode */ +#define CFR1_STP2 0x20 /* Stop timer */ +#define CFR1_RST2 0x10 /* Reset timer */ +#define CFR1_GM2 0x08 /* Gate mode for pin 2 */ +#define CFR1_GM1 0x04 /* Gate mode for pin 1 */ +#define CFR1_STP1 0x02 /* Stop timer */ +#define CFR1_RST1 0x01 /* Reset timer */ + u8 res0[3]; + u8 cfr2; /* Timer3/4 Configuration */ +#define CFR2_PCAS 0x80 /* Pair Cascade mode */ +#define CFR2_SCAS 0x40 /* Super Cascade mode */ +#define CFR2_STP4 0x20 /* Stop timer */ +#define CFR2_RST4 0x10 /* Reset timer */ +#define CFR2_GM4 0x08 /* Gate mode for pin 4 */ +#define CFR2_GM3 0x04 /* Gate mode for pin 3 */ +#define CFR2_STP3 0x02 /* Stop timer */ +#define CFR2_RST3 0x01 /* Reset timer */ + u8 res1[10]; + u16 mdr1; /* Timer1 Mode Register */ +#define MDR_SPS 0xff00 /* Secondary Prescaler value */ +#define MDR_CE 0x00c0 /* Capture edge and enable interrupt */ +#define MDR_OM 0x0020 /* Output mode */ +#define MDR_ORI 0x0010 /* Output reference interrupt enable */ +#define MDR_FRR 0x0008 /* Free run/restart */ +#define MDR_ICLK 0x0006 /* Input clock source for the timer */ +#define MDR_GE 0x0001 /* Gate enable */ + u16 mdr2; /* Timer2 Mode Register */ + u16 rfr1; /* Timer1 Reference Register */ + u16 rfr2; /* Timer2 Reference Register */ + u16 cpr1; /* Timer1 Capture Register */ + u16 cpr2; /* Timer2 Capture Register */ + u16 cnr1; /* Timer1 Counter Register */ + u16 cnr2; /* Timer2 Counter Register */ + u16 mdr3; /* Timer3 Mode Register */ + u16 mdr4; /* Timer4 Mode Register */ + u16 rfr3; /* Timer3 Reference Register */ + u16 rfr4; /* Timer4 Reference Register */ + u16 cpr3; /* Timer3 Capture Register */ + u16 cpr4; /* Timer4 Capture Register */ + u16 cnr3; /* Timer3 Counter Register */ + u16 cnr4; /* Timer4 Counter Register */ + u16 evr1; /* Timer1 Event Register */ + u16 evr2; /* Timer2 Event Register */ + u16 evr3; /* Timer3 Event Register */ + u16 evr4; /* Timer4 Event Register */ +#define GTEVR_REF 0x0002 /* Output reference event */ +#define GTEVR_CAP 0x0001 /* Counter Capture event */ +#define GTEVR_RES ~(EVR_CAP|EVR_REF) + u16 psr1; /* Timer1 Prescaler Register */ + u16 psr2; /* Timer2 Prescaler Register */ + u16 psr3; /* Timer3 Prescaler Register */ + u16 psr4; /* Timer4 Prescaler Register */ + u8 res[0xC0]; +} gtm8349_t; + +/* + * Integrated Programmable Interrupt Controller + */ +typedef struct ipic8349 { + u32 sicfr; /* System Global Interrupt Configuration Register (SICFR) */ +#define SICFR_HPI 0x7f000000 /* Highest Priority Interrupt */ +#define SICFR_MPSB 0x00400000 /* Mixed interrupts Priority Scheme for group B */ +#define SICFR_MPSA 0x00200000 /* Mixed interrupts Priority Scheme for group A */ +#define SICFR_IPSD 0x00080000 /* Internal interrupts Priority Scheme for group D */ +#define SICFR_IPSA 0x00010000 /* Internal interrupts Priority Scheme for group A */ +#define SICFR_HPIT 0x00000300 /* HPI priority position IPIC output interrupt Type */ +#define SICFR_RES ~(SICFR_HPI|SICFR_MPSB|SICFR_MPSA|SICFR_IPSD|SICFR_IPSA|SICFR_HPIT) + u32 sivcr; /* System Global Interrupt Vector Register (SIVCR) */ +#define SICVR_IVECX 0xfc000000 /* Interrupt vector (for CE compatibility purpose only not used in 8349 IPIC implementation) */ +#define SICVR_IVEC 0x0000007f /* Interrupt vector */ +#define SICVR_RES ~(SICVR_IVECX|SICVR_IVEC) + u32 sipnr_h; /* System Internal Interrupt Pending Register - High (SIPNR_H) */ +#define SIIH_TSEC1TX 0x80000000 /* TSEC1 Tx interrupt */ +#define SIIH_TSEC1RX 0x40000000 /* TSEC1 Rx interrupt */ +#define SIIH_TSEC1ER 0x20000000 /* TSEC1 Eror interrupt */ +#define SIIH_TSEC2TX 0x10000000 /* TSEC2 Tx interrupt */ +#define SIIH_TSEC2RX 0x08000000 /* TSEC2 Rx interrupt */ +#define SIIH_TSEC2ER 0x04000000 /* TSEC2 Eror interrupt */ +#define SIIH_USB2DR 0x02000000 /* USB2 DR interrupt */ +#define SIIH_USB2MPH 0x01000000 /* USB2 MPH interrupt */ +#define SIIH_UART1 0x00000080 /* UART1 interrupt */ +#define SIIH_UART2 0x00000040 /* UART2 interrupt */ +#define SIIH_SEC 0x00000020 /* SEC interrupt */ +#define SIIH_I2C1 0x00000004 /* I2C1 interrupt */ +#define SIIH_I2C2 0x00000002 /* I2C1 interrupt */ +#define SIIH_SPI 0x00000001 /* SPI interrupt */ +#define SIIH_RES ~(SIIH_TSEC1TX|SIIH_TSEC1RX|SIIH_TSEC1ER|SIIH_TSEC2TX \ + |SIIH_TSEC2RX|SIIH_TSEC2ER|SIIH_USB2DR|SIIH_USB2MPH \ + |SIIH_UART1 |SIIH_UART2 |SIIH_SEC |SIIH_I2C1 \ + |SIIH_I2C2 |SIIH_SPI) + u32 sipnr_l; /* System Internal Interrupt Pending Register - Low (SIPNR_L) */ +#define SIIL_RTCS 0x80000000 /* RTC SECOND interrupt */ +#define SIIL_PIT 0x40000000 /* PIT interrupt */ +#define SIIL_PCI1 0x20000000 /* PCI1 interrupt */ +#define SIIL_PCI2 0x10000000 /* PCI2 interrupt */ +#define SIIL_RTCA 0x08000000 /* RTC ALARM interrupt */ +#define SIIL_MU 0x04000000 /* Message Unit interrupt */ +#define SIIL_SBA 0x02000000 /* System Bus Arbiter interrupt */ +#define SIIL_DMA 0x01000000 /* DMA interrupt */ +#define SIIL_GTM4 0x00800000 /* GTM4 interrupt */ +#define SIIL_GTM8 0x00400000 /* GTM8 interrupt */ +#define SIIL_GPIO1 0x00200000 /* GPIO1 interrupt */ +#define SIIL_GPIO2 0x00100000 /* GPIO2 interrupt */ +#define SIIL_DDR 0x00080000 /* DDR interrupt */ +#define SIIL_LBC 0x00040000 /* LBC interrupt */ +#define SIIL_GTM2 0x00020000 /* GTM2 interrupt */ +#define SIIL_GTM6 0x00010000 /* GTM6 interrupt */ +#define SIIL_PMC 0x00008000 /* PMC interrupt */ +#define SIIL_GTM3 0x00000800 /* GTM3 interrupt */ +#define SIIL_GTM7 0x00000400 /* GTM7 interrupt */ +#define SIIL_GTM1 0x00000020 /* GTM1 interrupt */ +#define SIIL_GTM5 0x00000010 /* GTM5 interrupt */ +#define SIIL_DPTC 0x00000001 /* DPTC interrupt (!!! Invisible for user !!!) */ +#define SIIL_RES ~(SIIL_RTCS |SIIL_PIT |SIIL_PCI1 |SIIL_PCI2 |SIIL_RTCA \ + |SIIL_MU |SIIL_SBA |SIIL_DMA |SIIL_GTM4 |SIIL_GTM8 \ + |SIIL_GPIO1|SIIL_GPIO2|SIIL_DDR |SIIL_LBC |SIIL_GTM2 \ + |SIIL_GTM6 |SIIL_PMC |SIIL_GTM3 |SIIL_GTM7 |SIIL_GTM1 \ + |SIIL_GTM5 |SIIL_DPTC ) + u32 siprr_a; /* System Internal Interrupt Group A Priority Register (PRR) */ + u8 res0[8]; + u32 siprr_d; /* System Internal Interrupt Group D Priority Register (PRR) */ + u32 simsr_h; /* System Internal Interrupt Mask Register - High (SIIH) */ + u32 simsr_l; /* System Internal Interrupt Mask Register - Low (SIIL) */ + u8 res1[4]; + u32 sepnr; /* System External Interrupt Pending Register (SEI) */ + u32 smprr_a; /* System Mixed Interrupt Group A Priority Register (PRR) */ + u32 smprr_b; /* System Mixed Interrupt Group B Priority Register (PRR) */ +#define PRR_0 0xe0000000 /* Priority Register, Position 0 programming */ +#define PRR_1 0x1c000000 /* Priority Register, Position 1 programming */ +#define PRR_2 0x03800000 /* Priority Register, Position 2 programming */ +#define PRR_3 0x00700000 /* Priority Register, Position 3 programming */ +#define PRR_4 0x0000e000 /* Priority Register, Position 4 programming */ +#define PRR_5 0x00001c00 /* Priority Register, Position 5 programming */ +#define PRR_6 0x00000380 /* Priority Register, Position 6 programming */ +#define PRR_7 0x00000070 /* Priority Register, Position 7 programming */ +#define PRR_RES ~(PRR_0|PRR_1|PRR_2|PRR_3|PRR_4|PRR_5|PRR_6|PRR_7) + u32 semsr; /* System External Interrupt Mask Register (SEI) */ +#define SEI_IRQ0 0x80000000 /* IRQ0 external interrupt */ +#define SEI_IRQ1 0x40000000 /* IRQ1 external interrupt */ +#define SEI_IRQ2 0x20000000 /* IRQ2 external interrupt */ +#define SEI_IRQ3 0x10000000 /* IRQ3 external interrupt */ +#define SEI_IRQ4 0x08000000 /* IRQ4 external interrupt */ +#define SEI_IRQ5 0x04000000 /* IRQ5 external interrupt */ +#define SEI_IRQ6 0x02000000 /* IRQ6 external interrupt */ +#define SEI_IRQ7 0x01000000 /* IRQ7 external interrupt */ +#define SEI_SIRQ0 0x00008000 /* SIRQ0 external interrupt */ +#define SEI_RES ~( SEI_IRQ0 |SEI_IRQ1 |SEI_IRQ2 |SEI_IRQ3 |SEI_IRQ4 \ + |SEI_IRQ5 |SEI_IRQ6 |SEI_IRQ7 |SEI_SIRQ0) + u32 secnr; /* System External Interrupt Control Register (SECNR) */ +#define SECNR_MIXB0T 0xc0000000 /* MIXB0 priority position IPIC output interrupt type */ +#define SECNR_MIXB1T 0x30000000 /* MIXB1 priority position IPIC output interrupt type */ +#define SECNR_MIXA0T 0x00c00000 /* MIXA0 priority position IPIC output interrupt type */ +#define SECNR_SYSA1T 0x00300000 /* MIXA1 priority position IPIC output interrupt type */ +#define SECNR_EDI0 0x00008000 /* IRQ0 external interrupt edge/level detect */ +#define SECNR_EDI1 0x00004000 /* IRQ1 external interrupt edge/level detect */ +#define SECNR_EDI2 0x00002000 /* IRQ2 external interrupt edge/level detect */ +#define SECNR_EDI3 0x00001000 /* IRQ3 external interrupt edge/level detect */ +#define SECNR_EDI4 0x00000800 /* IRQ4 external interrupt edge/level detect */ +#define SECNR_EDI5 0x00000400 /* IRQ5 external interrupt edge/level detect */ +#define SECNR_EDI6 0x00000200 /* IRQ6 external interrupt edge/level detect */ +#define SECNR_EDI7 0x00000100 /* IRQ7 external interrupt edge/level detect */ +#define SECNR_RES ~( SECNR_MIXB0T|SECNR_MIXB1T|SECNR_MIXA0T|SECNR_SYSA1T \ + |SECNR_EDI0 |SECNR_EDI1 |SECNR_EDI2 |SECNR_EDI3 \ + |SECNR_EDI4 |SECNR_EDI5 |SECNR_EDI6 |SECNR_EDI7) + u32 sersr; /* System Error Status Register (SERR) */ + u32 sermr; /* System Error Mask Register (SERR) */ +#define SERR_IRQ0 0x80000000 /* IRQ0 MCP request */ +#define SERR_WDT 0x40000000 /* WDT MCP request */ +#define SERR_SBA 0x20000000 /* SBA MCP request */ +#define SERR_DDR 0x10000000 /* DDR MCP request */ +#define SERR_LBC 0x08000000 /* LBC MCP request */ +#define SERR_PCI1 0x04000000 /* PCI1 MCP request */ +#define SERR_PCI2 0x02000000 /* PCI2 MCP request */ +#define SERR_MU 0x01000000 /* MU MCP request */ +#define SERR_RNC 0x00010000 /* MU MCP request (!!! Non-visible for users !!!) */ +#define SERR_RES ~( SERR_IRQ0|SERR_WDT |SERR_SBA |SERR_DDR |SERR_LBC \ + |SERR_PCI1|SERR_PCI2|SERR_MU |SERR_RNC ) + u32 sercr; /* System Error Control Register (SERCR) */ +#define SERCR_MCPR 0x00000001 /* MCP Route */ +#define SERCR_RES ~(SERCR_MCPR) + u8 res2[4]; + u32 sifcr_h; /* System Internal Interrupt Force Register - High (SIIH) */ + u32 sifcr_l; /* System Internal Interrupt Force Register - Low (SIIL) */ + u32 sefcr; /* System External Interrupt Force Register (SEI) */ + u32 serfr; /* System Error Force Register (SERR) */ + u8 res3[0xA0]; +} ipic8349_t; + +/* + * System Arbiter Registers + */ +typedef struct arbiter8349 { + u32 acr; /* Arbiter Configuration Register */ +#define ACR_COREDIS 0x10000000 /* Core disable. */ +#define ACR_PIPE_DEP 0x00070000 /* Pipeline depth (number of outstanding transactions). */ +#define ACR_PCI_RPTCNT 0x00007000 /* PCI repeat count. */ +#define ACR_RPTCNT 0x00000700 /* Repeat count. */ +#define ACR_APARK 0x00000030 /* Address parking. */ +#define ACR_PARKM 0x0000000F /* Parking master. */ +#define ACR_RES ~(ACR_COREDIS|ACR_PIPE_DEP|ACR_PCI_RPTCNT|ACR_RPTCNT|ACR_APARK|ACR_PARKM) + u32 atr; /* Arbiter Timers Register */ +#define ATR_DTO 0x00FF0000 /* Data time out. */ +#define ATR_ATO 0x000000FF /* Address time out. */ +#define ATR_RES ~(ATR_DTO|ATR_ATO) + u8 res[4]; + u32 aer; /* Arbiter Event Register (AE)*/ + u32 aidr; /* Arbiter Interrupt Definition Register (AE) */ + u32 amr; /* Arbiter Mask Register (AE) */ + u32 aeatr; /* Arbiter Event Attributes Register */ +#define AEATR_EVENT 0x07000000 /* Event type. */ +#define AEATR_MSTR_ID 0x001F0000 /* Master Id. */ +#define AEATR_TBST 0x00000800 /* Transfer burst. */ +#define AEATR_TSIZE 0x00000700 /* Transfer Size. */ +#define AEATR_TTYPE 0x0000001F /* Transfer Type. */ +#define AEATR_RES ~(AEATR_EVENT|AEATR_MSTR_ID|AEATR_TBST|AEATR_TSIZE|AEATR_TTYPE) + u32 aeadr; /* Arbiter Event Address Register */ + u32 aerr; /* Arbiter Event Response Register (AE)*/ +#define AE_ETEA 0x00000020 /* Transfer error. */ +#define AE_RES_ 0x00000010 /* Reserved transfer type. */ +#define AE_ECW 0x00000008 /* External control word transfer type. */ +#define AE_AO 0x00000004 /* Address Only transfer type. */ +#define AE_DTO 0x00000002 /* Data time out. */ +#define AE_ATO 0x00000001 /* Address time out. */ +#define AE_RSRV ~(AE_ETEA|AE_RES_|AE_ECW|AE_AO|AE_DTO|AE_ATO) + u8 res1[0xDC]; +} arbiter8349_t; + +/* + * Reset Module + */ +typedef struct reset8349 { + u32 rcwl; /* RCWL Register */ +#define RCWL_LBIUCM 0x80000000 /* LBIUCM */ +#define RCWL_LBIUCM_SHIFT 31 +#define RCWL_DDRCM 0x40000000 /* DDRCM */ +#define RCWL_DDRCM_SHIFT 30 +#define RCWL_SVCOD 0x30000000 /* SVCOD */ +#define RCWL_SPMF 0x0f000000 /* SPMF */ +#define RCWL_SPMF_SHIFT 24 +#define RCWL_COREPLL 0x007F0000 /* COREPLL */ +#define RCWL_COREPLL_SHIFT 16 +#define RCWL_CEVCOD 0x000000C0 /* CEVCOD */ +#define RCWL_CEPDF 0x00000020 /* CEPDF */ +#define RCWL_CEPMF 0x0000001F /* CEPMF */ +#define RCWL_RES ~(RCWL_BIUCM|RCWL_DDRCM|RCWL_SVCOD|RCWL_SPMF|RCWL_COREPLL|RCWL_CEVCOD|RCWL_CEPDF|RCWL_CEPMF) + u32 rcwh; /* RCHL Register */ +#define RCWH_PCIHOST 0x80000000 /* PCIHOST */ +#define RCWH_PCIHOST_SHIFT 31 +#define RCWH_PCI64 0x40000000 /* PCI64 */ +#define RCWH_PCI1ARB 0x20000000 /* PCI1ARB */ +#define RCWH_PCI2ARB 0x10000000 /* PCI2ARB */ +#define RCWH_COREDIS 0x08000000 /* COREDIS */ +#define RCWH_BMS 0x04000000 /* BMS */ +#define RCWH_BOOTSEQ 0x03000000 /* BOOTSEQ */ +#define RCWH_SWEN 0x00800000 /* SWEN */ +#define RCWH_ROMLOC 0x00700000 /* ROMLOC */ +#define RCWH_TSEC1M 0x0000c000 /* TSEC1M */ +#define RCWH_TSEC2M 0x00003000 /* TSEC2M */ +#define RCWH_TPR 0x00000100 /* TPR */ +#define RCWH_TLE 0x00000008 /* TLE */ +#define RCWH_LALE 0x00000004 /* LALE */ +#define RCWH_RES ~(RCWH_PCIHOST|RCWH_PCI64|RCWH_PCI1ARB|RCWH_PCI2ARB \ + |RCWH_COREDIS|RCWH_BMS|RCWH_BOOTSEQ|RCWH_SWEN|RCWH_ROMLOC \ + |RCWH_TSEC1M|RCWH_TSEC2M|RCWH_TPR|RCWH_TLE|RCWH_LALE) + u8 res0[8]; + u32 rsr; /* Reset status Register */ +#define RSR_RSTSRC 0xE0000000 /* Reset source */ +#define RSR_RSTSRC_SHIFT 29 +#define RSR_BSF 0x00010000 /* Boot seq. fail */ +#define RSR_BSF_SHIFT 16 +#define RSR_SWSR 0x00002000 /* software soft reset */ +#define RSR_SWSR_SHIFT 13 +#define RSR_SWHR 0x00001000 /* software hard reset */ +#define RSR_SWHR_SHIFT 12 +#define RSR_JHRS 0x00000200 /* jtag hreset */ +#define RSR_JHRS_SHIFT 9 +#define RSR_JSRS 0x00000100 /* jtag sreset status */ +#define RSR_JSRS_SHIFT 8 +#define RSR_CSHR 0x00000010 /* checkstop reset status */ +#define RSR_CSHR_SHIFT 4 +#define RSR_SWRS 0x00000008 /* software watchdog reset status */ +#define RSR_SWRS_SHIFT 3 +#define RSR_BMRS 0x00000004 /* bus monitop reset status */ +#define RSR_BMRS_SHIFT 2 +#define RSR_SRS 0x00000002 /* soft reset status */ +#define RSR_SRS_SHIFT 1 +#define RSR_HRS 0x00000001 /* hard reset status */ +#define RSR_HRS_SHIFT 0 +#define RSR_RES ~(RSR_RSTSRC|RSR_BSF|RSR_SWSR|RSR_SWHR|RSR_JHRS|RSR_JSRS|RSR_CSHR|RSR_SWRS|RSR_BMRS|RSR_SRS|RSR_HRS) + u32 rmr; /* Reset mode Register */ +#define RMR_CSRE 0x00000001 /* checkstop reset enable */ +#define RMR_CSRE_SHIFT 0 +#define RMR_RES ~(RMR_CSRE) + u32 rpr; /* Reset protection Register */ + u32 rcr; /* Reset Control Register */ +#define RCR_SWHR 0x00000002 /* software hard reset */ +#define RCR_SWSR 0x00000001 /* software soft reset */ +#define RCR_RES ~(RCR_SWHR|RCR_SWSR) + u32 rcer; /* Reset Control Enable Register */ +#define RCER_CRE 0x00000001 /* software hard reset */ +#define RCER_RES ~(RCER_CRE) + u8 res1[0xDC]; +} reset8349_t; + +typedef struct clk8349 { + u32 spmr; /* system PLL mode Register */ +#define SPMR_LBIUCM 0x80000000 /* LBIUCM */ +#define SPMR_DDRCM 0x40000000 /* DDRCM */ +#define SPMR_SVCOD 0x30000000 /* SVCOD */ +#define SPMR_SPMF 0x0F000000 /* SPMF */ +#define SPMR_CKID 0x00800000 /* CKID */ +#define SPMR_CKID_SHIFT 23 +#define SPMR_COREPLL 0x007F0000 /* COREPLL */ +#define SPMR_CEVCOD 0x000000C0 /* CEVCOD */ +#define SPMR_CEPDF 0x00000020 /* CEPDF */ +#define SPMR_CEPMF 0x0000001F /* CEPMF */ +#define SPMR_RES ~(SPMR_LBIUCM|SPMR_DDRCM|SPMR_SVCOD|SPMR_SPMF|SPMR_CKID \ + |SPMR_COREPLL|SPMR_CEVCOD|SPMR_CEPDF|SPMR_CEPMF) + u32 occr; /* output clock control Register */ +#define OCCR_PCICOE0 0x80000000 /* PCICOE0 */ +#define OCCR_PCICOE1 0x40000000 /* PCICOE1 */ +#define OCCR_PCICOE2 0x20000000 /* PCICOE2 */ +#define OCCR_PCICOE3 0x10000000 /* PCICOE3 */ +#define OCCR_PCICOE4 0x08000000 /* PCICOE4 */ +#define OCCR_PCICOE5 0x04000000 /* PCICOE5 */ +#define OCCR_PCICOE6 0x02000000 /* PCICOE6 */ +#define OCCR_PCICOE7 0x01000000 /* PCICOE7 */ +#define OCCR_PCICD0 0x00800000 /* PCICD0 */ +#define OCCR_PCICD1 0x00400000 /* PCICD1 */ +#define OCCR_PCICD2 0x00200000 /* PCICD2 */ +#define OCCR_PCICD3 0x00100000 /* PCICD3 */ +#define OCCR_PCICD4 0x00080000 /* PCICD4 */ +#define OCCR_PCICD5 0x00040000 /* PCICD5 */ +#define OCCR_PCICD6 0x00020000 /* PCICD6 */ +#define OCCR_PCICD7 0x00010000 /* PCICD7 */ +#define OCCR_PCI1CR 0x00000002 /* PCI1CR */ +#define OCCR_PCI2CR 0x00000001 /* PCI2CR */ +#define OCCR_RES ~(OCCR_PCICOE0|OCCR_PCICOE1|OCCR_PCICOE2|OCCR_PCICOE3|OCCR_PCICOE4 \ + |OCCR_PCICOE5|OCCR_PCICOE6|OCCR_PCICOE7|OCCR_PCICD0|OCCR_PCICD1 \ + |OCCR_PCICD2 |OCCR_PCICD3 |OCCR_PCICD4 |OCCR_PCICD5|OCCR_PCICD6 \ + |OCCR_PCICD7 |OCCR_PCI1CR |OCCR_PCI2CR ) + u32 sccr; /* system clock control Register */ +#define SCCR_TSEC1CM 0xc0000000 /* TSEC1CM */ +#define SCCR_TSEC1CM_SHIFT 30 +#define SCCR_TSEC2CM 0x30000000 /* TSEC2CM */ +#define SCCR_TSEC2CM_SHIFT 28 +#define SCCR_ENCCM 0x03000000 /* ENCCM */ +#define SCCR_ENCCM_SHIFT 24 +#define SCCR_USBMPHCM 0x00c00000 /* USBMPHCM */ +#define SCCR_USBMPHCM_SHIFT 22 +#define SCCR_USBDRCM 0x00300000 /* USBDRCM */ +#define SCCR_USBDRCM_SHIFT 20 +#define SCCR_PCICM 0x00010000 /* PCICM */ +#define SCCR_RES ~( SCCR_TSEC1CM|SCCR_TSEC2CM|SCCR_ENCCM|SCCR_USBMPHCM \ + |SCCR_USBDRCM|SCCR_PCICM) + u8 res0[0xF4]; +} clk8349_t; + +/* + * Power Management Control Module + */ +typedef struct pmc8349 { + u32 pmccr; /* PMC Configuration Register */ +#define PMCCR_SLPEN 0x00000001 /* System Low Power Enable */ +#define PMCCR_DLPEN 0x00000002 /* DDR SDRAM Low Power Enable */ +#define PMCCR_RES ~(PMCCR_SLPEN|PMCCR_DLPEN) + u32 pmcer; /* PMC Event Register */ +#define PMCER_PMCI 0x00000001 /* PMC Interrupt */ +#define PMCER_RES ~(PMCER_PMCI) + u32 pmcmr; /* PMC Mask Register */ +#define PMCMR_PMCIE 0x0001 /* PMC Interrupt Enable */ +#define PMCMR_RES ~(PMCMR_PMCIE) + u8 res0[0xF4]; +} pmc8349_t; + + +/* + * general purpose I/O module + */ +typedef struct gpio8349 { + u32 dir; /* direction register */ + u32 odr; /* open drain register */ + u32 dat; /* data register */ + u32 ier; /* interrupt event register */ + u32 imr; /* interrupt mask register */ + u32 icr; /* external interrupt control register */ + u8 res0[0xE8]; +} gpio8349_t; + +/* + * DDR Memory Controller Memory Map + */ +typedef struct ddr_cs_bnds{ + u32 csbnds; +#define CSBNDS_SA 0x00FF0000 +#define CSBNDS_SA_SHIFT 16 +#define CSBNDS_EA 0x000000FF +#define CSBNDS_EA_SHIFT 0 + u8 res0[4]; +} ddr_cs_bnds_t; + +typedef struct ddr8349{ + ddr_cs_bnds_t csbnds[4]; /**< Chip Select x Memory Bounds */ + u8 res0[0x60]; + u32 cs_config[4]; /**< Chip Select x Configuration */ +#define CSCONFIG_EN 0x80000000 +#define CSCONFIG_AP 0x00800000 +#define CSCONFIG_ROW_BIT 0x00000700 +#define CSCONFIG_ROW_BIT_12 0x00000000 +#define CSCONFIG_ROW_BIT_13 0x00000100 +#define CSCONFIG_ROW_BIT_14 0x00000200 +#define CSCONFIG_COL_BIT 0x00000007 +#define CSCONFIG_COL_BIT_8 0x00000000 +#define CSCONFIG_COL_BIT_9 0x00000001 +#define CSCONFIG_COL_BIT_10 0x00000002 +#define CSCONFIG_COL_BIT_11 0x00000003 + u8 res1[0x78]; + u32 timing_cfg_1; /**< SDRAM Timing Configuration 1 */ +#define TIMING_CFG1_PRETOACT 0x70000000 +#define TIMING_CFG1_PRETOACT_SHIFT 28 +#define TIMING_CFG1_ACTTOPRE 0x0F000000 +#define TIMING_CFG1_ACTTOPRE_SHIFT 24 +#define TIMING_CFG1_ACTTORW 0x00700000 +#define TIMING_CFG1_ACTTORW_SHIFT 20 +#define TIMING_CFG1_CASLAT 0x00070000 +#define TIMING_CFG1_CASLAT_SHIFT 16 +#define TIMING_CFG1_REFREC 0x0000F000 +#define TIMING_CFG1_REFREC_SHIFT 12 +#define TIMING_CFG1_WRREC 0x00000700 +#define TIMING_CFG1_WRREC_SHIFT 8 +#define TIMING_CFG1_ACTTOACT 0x00000070 +#define TIMING_CFG1_ACTTOACT_SHIFT 4 +#define TIMING_CFG1_WRTORD 0x00000007 +#define TIMING_CFG1_WRTORD_SHIFT 0 + + u32 timing_cfg_2; /**< SDRAM Timing Configuration 2 */ +#define TIMING_CFG2_CPO 0x0F000000 +#define TIMING_CFG2_CPO_SHIFT 24 +#define TIMING_CFG2_ACSM 0x00080000 +#define TIMING_CFG2_WR_DATA_DELAY 0x00001C00 +#define TIMING_CFG2_WR_DATA_DELAY_SHIFT 10 + + u32 sdram_cfg; /**< SDRAM Control Configuration */ +#define SDRAM_CFG_MEM_EN 0x80000000 +#define SDRAM_CFG_SREN 0x40000000 +#define SDRAM_CFG_ECC_EN 0x20000000 +#define SDRAM_CFG_RD_EN 0x10000000 +#define SDRAM_CFG_SDRAM_TYPE 0x03000000 +#define SDRAM_CFG_SDRAM_TYPE_SHIFT 24 +#define SDRAM_CFG_DYN_PWR 0x00200000 +#define SDRAM_CFG_32_BE 0x00080000 +#define SDRAM_CFG_8_BE 0x00040000 +#define SDRAM_CFG_NCAP 0x00020000 +#define SDRAM_CFG_2T_EN 0x00008000 + + u8 res2[4]; + u32 sdram_mode; /**< SDRAM Mode Configuration */ +#define SDRAM_MODE_ESD 0xFFFF0000 +#define SDRAM_MODE_ESD_SHIFT 16 +#define SDRAM_MODE_SD 0x0000FFFF +#define SDRAM_MODE_SD_SHIFT 0 + + u8 res3[8]; + u32 sdram_interval; /**< SDRAM Interval Configuration */ +#define SDRAM_INTERVAL_REFINT 0x3FFF0000 +#define SDRAM_INTERVAL_REFINT_SHIFT 16 +#define SDRAM_INTERVAL_BSTOPRE 0x00003FFF +#define SDRAM_INTERVAL_BSTOPRE_SHIFT 0 + u8 res9[8]; + u32 sdram_clk_cntl; + u8 res4[0xCCC]; + u32 data_err_inject_hi; /**< Memory Data Path Error Injection Mask High */ + u32 data_err_inject_lo; /**< Memory Data Path Error Injection Mask Low */ + u32 ecc_err_inject; /**< Memory Data Path Error Injection Mask ECC */ + u8 res5[0x14]; + u32 capture_data_hi; /**< Memory Data Path Read Capture High */ + u32 capture_data_lo; /**< Memory Data Path Read Capture Low */ + u32 capture_ecc; /**< Memory Data Path Read Capture ECC */ + u8 res6[0x14]; + u32 err_detect; /**< Memory Error Detect */ + u32 err_disable; /**< Memory Error Disable */ + u32 err_int_en; /**< Memory Error Interrupt Enable */ + u32 capture_attributes; /**< Memory Error Attributes Capture */ + u32 capture_address; /**< Memory Error Address Capture */ + u32 capture_ext_address;/**< Memory Error Extended Address Capture */ + u32 err_sbe; /**< Memory Single-Bit ECC Error Management */ + u8 res7[0xA4]; + u32 debug_reg; + u8 res8[0xFC]; +} ddr8349_t; + +/* + * I2C1 Controller + */ + + +/* + * DUART + */ +typedef struct duart8349{ + u8 urbr_ulcr_udlb; /**< combined register for URBR, UTHR and UDLB */ + u8 uier_udmb; /**< combined register for UIER and UDMB */ + u8 uiir_ufcr_uafr; /**< combined register for UIIR, UFCR and UAFR */ + u8 ulcr; /**< line control register */ + u8 umcr; /**< MODEM control register */ + u8 ulsr; /**< line status register */ + u8 umsr; /**< MODEM status register */ + u8 uscr; /**< scratch register */ + u8 res0[8]; + u8 udsr; /**< DMA status register */ + u8 res1[3]; + u8 res2[0xEC]; + +} duart8349_t; + +/* + * Local Bus Controller Registers + */ +typedef struct lbus_bank{ + u32 br; /**< Base Register */ + u32 or; /**< Base Register */ +} lbus_bank_t; + +typedef struct lbus8349 { + lbus_bank_t bank[8]; + u8 res0[0x28]; + u32 mar; /**< UPM Address Register */ + u8 res1[0x4]; + u32 mamr; /**< UPMA Mode Register */ + u32 mbmr; /**< UPMB Mode Register */ + u32 mcmr; /**< UPMC Mode Register */ + u8 res2[0x8]; + u32 mrtpr; /**< Memory Refresh Timer Prescaler Register */ + u32 mdr; /**< UPM Data Register */ + u8 res3[0x8]; + u32 lsdmr; /**< SDRAM Mode Register */ + u8 res4[0x8]; + u32 lurt; /**< UPM Refresh Timer */ + u32 lsrt; /**< SDRAM Refresh Timer */ + u8 res5[0x8]; + u32 ltesr; /**< Transfer Error Status Register */ + u32 ltedr; /**< Transfer Error Disable Register */ + u32 lteir; /**< Transfer Error Interrupt Register */ + u32 lteatr; /**< Transfer Error Attributes Register */ + u32 ltear; /**< Transfer Error Address Register */ + u8 res6[0xC]; + u32 lbcr; /**< Configuration Register */ +#define LBCR_LDIS 0x80000000 +#define LBCR_LDIS_SHIFT 31 +#define LBCR_BCTLC 0x00C00000 +#define LBCR_BCTLC_SHIFT 22 +#define LBCR_LPBSE 0x00020000 +#define LBCR_LPBSE_SHIFT 17 +#define LBCR_EPAR 0x00010000 +#define LBCR_EPAR_SHIFT 16 +#define LBCR_BMT 0x0000FF00 +#define LBCR_BMT_SHIFT 8 + u32 lcrr; /**< Clock Ratio Register */ +#define LCRR_DBYP 0x80000000 +#define LCRR_DBYP_SHIFT 31 +#define LCRR_BUFCMDC 0x30000000 +#define LCRR_BUFCMDC_SHIFT 28 +#define LCRR_ECL 0x03000000 +#define LCRR_ECL_SHIFT 24 +#define LCRR_EADC 0x00030000 +#define LCRR_EADC_SHIFT 16 +#define LCRR_CLKDIV 0x0000000F +#define LCRR_CLKDIV_SHIFT 0 + + + u8 res7[0x28]; + u8 res8[0xF00]; +} lbus8349_t; + +/* + * Serial Peripheral Interface + */ +typedef struct spi8349 +{ + u32 mode; /**< mode register */ + u32 event; /**< event register */ + u32 mask; /**< mask register */ + u32 com; /**< command register */ + u8 res0[0x10]; + u32 tx; /**< transmit register */ + u32 rx; /**< receive register */ + u8 res1[0xD8]; +} spi8349_t; + +typedef struct dma8349 { + u8 fixme[0x300]; +} dma8349_t; + +/* + * PCI Software Configuration Registers + */ +typedef struct pciconf8349 { + u32 config_address; +#define PCI_CONFIG_ADDRESS_EN 0x80000000 +#define PCI_CONFIG_ADDRESS_BN_SHIFT 16 +#define PCI_CONFIG_ADDRESS_BN_MASK 0x00ff0000 +#define PCI_CONFIG_ADDRESS_DN_SHIFT 11 +#define PCI_CONFIG_ADDRESS_DN_MASK 0x0000f800 +#define PCI_CONFIG_ADDRESS_FN_SHIFT 8 +#define PCI_CONFIG_ADDRESS_FN_MASK 0x00000700 +#define PCI_CONFIG_ADDRESS_RN_SHIFT 0 +#define PCI_CONFIG_ADDRESS_RN_MASK 0x000000fc + u32 config_data; + u32 int_ack; + u8 res[116]; +} pciconf8349_t; + +/* + * PCI Outbound Translation Register + */ +typedef struct pci_outbound_window { + u32 potar; + u8 res0[4]; + u32 pobar; + u8 res1[4]; + u32 pocmr; + u8 res2[4]; +} pot8349_t; +/* + * Sequencer + */ +typedef struct ios8349 { + pot8349_t pot[6]; +#define POTAR_TA_MASK 0x000fffff +#define POBAR_BA_MASK 0x000fffff +#define POCMR_EN 0x80000000 +#define POCMR_IO 0x40000000 /* 0--memory space 1--I/O space */ +#define POCMR_SE 0x20000000 /* streaming enable */ +#define POCMR_DST 0x10000000 /* 0--PCI1 1--PCI2*/ +#define POCMR_CM_MASK 0x000fffff +#define POCMR_CM_4G 0x00000000 +#define POCMR_CM_2G 0x00080000 +#define POCMR_CM_1G 0x000C0000 +#define POCMR_CM_512M 0x000E0000 +#define POCMR_CM_256M 0x000F0000 +#define POCMR_CM_128M 0x000F8000 +#define POCMR_CM_64M 0x000FC000 +#define POCMR_CM_32M 0x000FE000 +#define POCMR_CM_16M 0x000FF000 +#define POCMR_CM_8M 0x000FF800 +#define POCMR_CM_4M 0x000FFC00 +#define POCMR_CM_2M 0x000FFE00 +#define POCMR_CM_1M 0x000FFF00 +#define POCMR_CM_512K 0x000FFF80 +#define POCMR_CM_256K 0x000FFFC0 +#define POCMR_CM_128K 0x000FFFE0 +#define POCMR_CM_64K 0x000FFFF0 +#define POCMR_CM_32K 0x000FFFF8 +#define POCMR_CM_16K 0x000FFFFC +#define POCMR_CM_8K 0x000FFFFE +#define POCMR_CM_4K 0x000FFFFF + u8 res0[0x60]; + u32 pmcr; + u8 res1[4]; + u32 dtcr; + u8 res2[4]; +} ios8349_t; + +/* + * PCI Controller Control and Status Registers + */ +typedef struct pcictrl8349 { + u32 esr; +#define ESR_MERR 0x80000000 +#define ESR_APAR 0x00000400 +#define ESR_PCISERR 0x00000200 +#define ESR_MPERR 0x00000100 +#define ESR_TPERR 0x00000080 +#define ESR_NORSP 0x00000040 +#define ESR_TABT 0x00000020 + u32 ecdr; +#define ECDR_APAR 0x00000400 +#define ECDR_PCISERR 0x00000200 +#define ECDR_MPERR 0x00000100 +#define ECDR_TPERR 0x00000080 +#define ECDR_NORSP 0x00000040 +#define ECDR_TABT 0x00000020 + u32 eer; +#define EER_APAR 0x00000400 +#define EER_PCISERR 0x00000200 +#define EER_MPERR 0x00000100 +#define EER_TPERR 0x00000080 +#define EER_NORSP 0x00000040 +#define EER_TABT 0x00000020 + u32 eatcr; +#define EATCR_ERRTYPR_MASK 0x70000000 +#define EATCR_ERRTYPR_APR 0x00000000 /* address parity error */ +#define EATCR_ERRTYPR_WDPR 0x10000000 /* write data parity error */ +#define EATCR_ERRTYPR_RDPR 0x20000000 /* read data parity error */ +#define EATCR_ERRTYPR_MA 0x30000000 /* master abort */ +#define EATCR_ERRTYPR_TA 0x40000000 /* target abort */ +#define EATCR_ERRTYPR_SE 0x50000000 /* system error indication received */ +#define EATCR_ERRTYPR_PEA 0x60000000 /* parity error indication received on a read */ +#define EATCR_ERRTYPR_PEW 0x70000000 /* parity error indication received on a write */ +#define EATCR_BN_MASK 0x0f000000 /* beat number */ +#define EATCR_BN_1st 0x00000000 +#define EATCR_BN_2ed 0x01000000 +#define EATCR_BN_3rd 0x02000000 +#define EATCR_BN_4th 0x03000000 +#define EATCR_BN_5th 0x0400000 +#define EATCR_BN_6th 0x05000000 +#define EATCR_BN_7th 0x06000000 +#define EATCR_BN_8th 0x07000000 +#define EATCR_BN_9th 0x08000000 +#define EATCR_TS_MASK 0x00300000 /* transaction size */ +#define EATCR_TS_4 0x00000000 +#define EATCR_TS_1 0x00100000 +#define EATCR_TS_2 0x00200000 +#define EATCR_TS_3 0x00300000 +#define EATCR_ES_MASK 0x000f0000 /* error source */ +#define EATCR_ES_EM 0x00000000 /* external master */ +#define EATCR_ES_DMA 0x00050000 +#define EATCR_CMD_MASK 0x0000f000 +#define EATCR_HBE_MASK 0x00000f00 /* PCI high byte enable*/ +#define EATCR_BE_MASK 0x000000f0 /* PCI byte enable */ +#define EATCR_HPB 0x00000004 /* high parity bit */ +#define EATCR_PB 0x00000002 /* parity bit*/ +#define EATCR_VI 0x00000001 /* error information valid */ + u32 eacr; + u32 eeacr; + u32 edlcr; + u32 edhcr; + u32 gcr; + u32 ecr; + u32 gsr; + u8 res0[12]; + u32 pitar2; + u8 res1[4]; + u32 pibar2; + u32 piebar2; + u32 piwar2; + u8 res2[4]; + u32 pitar1; + u8 res3[4]; + u32 pibar1; + u32 piebar1; + u32 piwar1; + u8 res4[4]; + u32 pitar0; + u8 res5[4]; + u32 pibar0; + u8 res6[4]; + u32 piwar0; + u8 res7[132]; +#define PITAR_TA_MASK 0x000fffff +#define PIBAR_MASK 0xffffffff +#define PIEBAR_EBA_MASK 0x000fffff +#define PIWAR_EN 0x80000000 +#define PIWAR_PF 0x20000000 +#define PIWAR_RTT_MASK 0x000f0000 +#define PIWAR_RTT_NO_SNOOP 0x00040000 +#define PIWAR_RTT_SNOOP 0x00050000 +#define PIWAR_WTT_MASK 0x0000f000 +#define PIWAR_WTT_NO_SNOOP 0x00004000 +#define PIWAR_WTT_SNOOP 0x00005000 +#define PIWAR_IWS_MASK 0x0000003F +#define PIWAR_IWS_4K 0x0000000B +#define PIWAR_IWS_8K 0x0000000C +#define PIWAR_IWS_16K 0x0000000D +#define PIWAR_IWS_32K 0x0000000E +#define PIWAR_IWS_64K 0x0000000F +#define PIWAR_IWS_128K 0x00000010 +#define PIWAR_IWS_256K 0x00000011 +#define PIWAR_IWS_512K 0x00000012 +#define PIWAR_IWS_1M 0x00000013 +#define PIWAR_IWS_2M 0x00000014 +#define PIWAR_IWS_4M 0x00000015 +#define PIWAR_IWS_8M 0x00000016 +#define PIWAR_IWS_16M 0x00000017 +#define PIWAR_IWS_32M 0x00000018 +#define PIWAR_IWS_64M 0x00000019 +#define PIWAR_IWS_128M 0x0000001A +#define PIWAR_IWS_256M 0x0000001B +#define PIWAR_IWS_512M 0x0000001C +#define PIWAR_IWS_1G 0x0000001D +#define PIWAR_IWS_2G 0x0000001E +} pcictrl8349_t; + +/* + * USB + */ +typedef struct usb8349 { + u8 fixme[0x2000]; +} usb8349_t; + +/* + * TSEC + */ +typedef struct tsec8349 { + u8 fixme[0x1000]; +} tsec8349_t; + +/* + * Security + */ +typedef struct security8349 { + u8 fixme[0x10000]; +} security8349_t; + +typedef struct immap { + sysconf8349_t sysconf; /* System configuration */ + wdt8349_t wdt; /* Watch Dog Timer (WDT) Registers */ + rtclk8349_t rtc; /* Real Time Clock Module Registers */ + rtclk8349_t pit; /* Periodic Interval Timer */ + gtm8349_t gtm[2]; /* Global Timers Module */ + ipic8349_t ipic; /* Integrated Programmable Interrupt Controller */ + arbiter8349_t arbiter; /* System Arbiter Registers */ + reset8349_t reset; /* Reset Module */ + clk8349_t clk; /* System Clock Module */ + pmc8349_t pmc; /* Power Management Control Module */ + gpio8349_t pgio[2]; /* general purpose I/O module */ + u8 res0[0x200]; + u8 DDL_DDR[0x100]; + u8 DDL_LBIU[0x100]; + u8 res1[0xE00]; + ddr8349_t ddr; /* DDR Memory Controller Memory */ + i2c_t i2c[2]; /* I2C1 Controller */ + u8 res2[0x1300]; + duart8349_t duart[2];/* DUART */ + u8 res3[0x900]; + lbus8349_t lbus; /* Local Bus Controller Registers */ + u8 res4[0x1000]; + spi8349_t spi; /* Serial Peripheral Interface */ + u8 res5[0xF00]; + dma8349_t dma; /* DMA */ + pciconf8349_t pci_conf[2]; /* PCI Software Configuration Registers */ + ios8349_t ios; /* Sequencer */ + pcictrl8349_t pci_ctrl[2]; /* PCI Controller Control and Status Registers */ + u8 res6[0x19900]; + usb8349_t usb; + tsec8349_t tsec[2]; + u8 res7[0xA000]; + security8349_t security; +} immap_t; + +#endif /* __IMMAP_8349__ */ diff --git a/include/asm-ppc/mpc8349_pci.h b/include/asm-ppc/mpc8349_pci.h new file mode 100644 index 0000000..48255a3 --- /dev/null +++ b/include/asm-ppc/mpc8349_pci.h @@ -0,0 +1,167 @@ +#ifndef _PPC_KERNEL_MPC8349_PCI_H +#define _PPC_KERNEL_MPC8349_PCI_H + + +#define M8265_PCIBR0 0x101ac +#define M8265_PCIBR1 0x101b0 +#define M8265_PCIMSK0 0x101c4 +#define M8265_PCIMSK1 0x101c8 + +/* Bit definitions for PCIBR registers */ + +#define PCIBR_ENABLE 0x00000001 + +/* Bit definitions for PCIMSK registers */ + +#define PCIMSK_32KB 0xFFFF8000 /* Size of window, smallest */ +#define PCIMSK_64KB 0xFFFF0000 +#define PCIMSK_128KB 0xFFFE0000 +#define PCIMSK_256KB 0xFFFC0000 +#define PCIMSK_512KB 0xFFF80000 +#define PCIMSK_1MB 0xFFF00000 +#define PCIMSK_2MB 0xFFE00000 +#define PCIMSK_4MB 0xFFC00000 +#define PCIMSK_8MB 0xFF800000 +#define PCIMSK_16MB 0xFF000000 +#define PCIMSK_32MB 0xFE000000 +#define PCIMSK_64MB 0xFC000000 +#define PCIMSK_128MB 0xF8000000 +#define PCIMSK_256MB 0xF0000000 +#define PCIMSK_512MB 0xE0000000 +#define PCIMSK_1GB 0xC0000000 /* Size of window, largest */ + + +#define M826X_SCCR_PCI_MODE_EN 0x100 + + +/* + * Outbound ATU registers (3 sets). These registers control how 60x bus + * (local) addresses are translated to PCI addresses when the MPC826x is + * a PCI bus master (initiator). + */ + +#define POTAR_REG0 0x10800 /* PCI Outbound Translation Addr registers */ +#define POTAR_REG1 0x10818 +#define POTAR_REG2 0x10830 + +#define POBAR_REG0 0x10808 /* PCI Outbound Base Addr registers */ +#define POBAR_REG1 0x10820 +#define POBAR_REG2 0x10838 + +#define POCMR_REG0 0x10810 /* PCI Outbound Comparison Mask registers */ +#define POCMR_REG1 0x10828 +#define POCMR_REG2 0x10840 + +/* Bit definitions for POMCR registers */ + +#define POCMR_MASK_4KB 0x000FFFFF +#define POCMR_MASK_8KB 0x000FFFFE +#define POCMR_MASK_16KB 0x000FFFFC +#define POCMR_MASK_32KB 0x000FFFF8 +#define POCMR_MASK_64KB 0x000FFFF0 +#define POCMR_MASK_128KB 0x000FFFE0 +#define POCMR_MASK_256KB 0x000FFFC0 +#define POCMR_MASK_512KB 0x000FFF80 +#define POCMR_MASK_1MB 0x000FFF00 +#define POCMR_MASK_2MB 0x000FFE00 +#define POCMR_MASK_4MB 0x000FFC00 +#define POCMR_MASK_8MB 0x000FF800 +#define POCMR_MASK_16MB 0x000FF000 +#define POCMR_MASK_32MB 0x000FE000 +#define POCMR_MASK_64MB 0x000FC000 +#define POCMR_MASK_128MB 0x000F8000 +#define POCMR_MASK_256MB 0x000F0000 +#define POCMR_MASK_512MB 0x000E0000 +#define POCMR_MASK_1GB 0x000C0000 + +#define POCMR_ENABLE 0x80000000 +#define POCMR_PCI_IO 0x40000000 +#define POCMR_PREFETCH_EN 0x20000000 + +/* Soft PCI reset */ + +#define PCI_GCR_REG 0x10880 + +/* Bit definitions for PCI_GCR registers */ + +#define PCIGCR_PCI_BUS_EN 0x1 + +/* + * Inbound ATU registers (2 sets). These registers control how PCI + * addresses are translated to 60x bus (local) addresses when the + * MPC826x is a PCI bus target. + */ + +#define PITAR_REG1 0x108D0 +#define PIBAR_REG1 0x108D8 +#define PICMR_REG1 0x108E0 +#define PITAR_REG0 0x108E8 +#define PIBAR_REG0 0x108F0 +#define PICMR_REG0 0x108F8 + +/* Bit definitions for PCI Inbound Comparison Mask registers */ + +#define PICMR_MASK_4KB 0x000FFFFF +#define PICMR_MASK_8KB 0x000FFFFE +#define PICMR_MASK_16KB 0x000FFFFC +#define PICMR_MASK_32KB 0x000FFFF8 +#define PICMR_MASK_64KB 0x000FFFF0 +#define PICMR_MASK_128KB 0x000FFFE0 +#define PICMR_MASK_256KB 0x000FFFC0 +#define PICMR_MASK_512KB 0x000FFF80 +#define PICMR_MASK_1MB 0x000FFF00 +#define PICMR_MASK_2MB 0x000FFE00 +#define PICMR_MASK_4MB 0x000FFC00 +#define PICMR_MASK_8MB 0x000FF800 +#define PICMR_MASK_16MB 0x000FF000 +#define PICMR_MASK_32MB 0x000FE000 +#define PICMR_MASK_64MB 0x000FC000 +#define PICMR_MASK_128MB 0x000F8000 +#define PICMR_MASK_256MB 0x000F0000 +#define PICMR_MASK_512MB 0x000E0000 +#define PICMR_MASK_1GB 0x000C0000 + +#define PICMR_ENABLE 0x80000000 +#define PICMR_NO_SNOOP_EN 0x40000000 +#define PICMR_PREFETCH_EN 0x20000000 + +/* PCI error Registers */ + +#define PCI_ERROR_STATUS_REG 0x10884 +#define PCI_ERROR_MASK_REG 0x10888 +#define PCI_ERROR_CONTROL_REG 0x1088C +#define PCI_ERROR_ADRS_CAPTURE_REG 0x10890 +#define PCI_ERROR_DATA_CAPTURE_REG 0x10898 +#define PCI_ERROR_CTRL_CAPTURE_REG 0x108A0 + +/* PCI error Register bit defines */ + +#define PCI_ERROR_PCI_ADDR_PAR 0x00000001 +#define PCI_ERROR_PCI_DATA_PAR_WR 0x00000002 +#define PCI_ERROR_PCI_DATA_PAR_RD 0x00000004 +#define PCI_ERROR_PCI_NO_RSP 0x00000008 +#define PCI_ERROR_PCI_TAR_ABT 0x00000010 +#define PCI_ERROR_PCI_SERR 0x00000020 +#define PCI_ERROR_PCI_PERR_RD 0x00000040 +#define PCI_ERROR_PCI_PERR_WR 0x00000080 +#define PCI_ERROR_I2O_OFQO 0x00000100 +#define PCI_ERROR_I2O_IPQO 0x00000200 +#define PCI_ERROR_IRA 0x00000400 +#define PCI_ERROR_NMI 0x00000800 +#define PCI_ERROR_I2O_DBMC 0x00001000 + +/* + * Register pair used to generate configuration cycles on the PCI bus + * and access the MPC826x's own PCI configuration registers. + */ + +#define PCI_CFG_ADDR_REG 0x10900 +#define PCI_CFG_DATA_REG 0x10904 + +/* Bus parking decides where the bus control sits when idle */ +/* If modifying memory controllers for PCI park on the core */ + +#define PPC_ACR_BUS_PARK_CORE 0x6 +#define PPC_ACR_BUS_PARK_PCI 0x3 + +#endif /* _PPC_KERNEL_M8260_PCI_H */ diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h index 20949dc..d4404c1 100644 --- a/include/asm-ppc/processor.h +++ b/include/asm-ppc/processor.h @@ -200,6 +200,11 @@ #define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */ #define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */ #define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */ + +#define HID0_ICE_SHIFT 15 +#define HID0_DCE_SHIFT 14 +#define HID0_DLOCK_SHIFT 12 + #define HID0_EMCP (1<<31) /* Enable Machine Check pin */ #define HID0_EBA (1<<29) /* Enable Bus Address Parity */ #define HID0_EBD (1<<28) /* Enable Bus Data Parity */ @@ -211,10 +216,10 @@ #define HID0_NAP (1<<22) #define HID0_SLEEP (1<<21) #define HID0_DPM (1<<20) -#define HID0_ICE (1<<15) /* Instruction Cache Enable */ -#define HID0_DCE (1<<14) /* Data Cache Enable */ +#define HID0_ICE (1<<HID0_ICE_SHIFT) /* Instruction Cache Enable */ +#define HID0_DCE (1<<HID0_DCE_SHIFT) /* Data Cache Enable */ #define HID0_ILOCK (1<<13) /* Instruction Cache Lock */ -#define HID0_DLOCK (1<<12) /* Data Cache Lock */ +#define HID0_DLOCK (1<<HID0_DLOCK_SHIFT) /* Data Cache Lock */ #define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */ #define HID0_DCFI (1<<10) /* Data Cache Flash Invalidate */ #define HID0_DCI HID0_DCFI diff --git a/include/asm-ppc/u-boot.h b/include/asm-ppc/u-boot.h index 5da0e68..e821e91 100644 --- a/include/asm-ppc/u-boot.h +++ b/include/asm-ppc/u-boot.h @@ -45,6 +45,9 @@ typedef struct bd_info { #if defined(CONFIG_MPC5xxx) unsigned long bi_mbar_base; /* base of internal registers */ #endif +#if defined(CONFIG_MPC83XX) + unsigned long bi_immrbar; +#endif #if defined(CONFIG_MPC8220) unsigned long bi_mbar_base; /* base of internal registers */ unsigned long bi_inpfreq; /* Input Freq, In MHz */ diff --git a/include/common.h b/include/common.h index 625c389..efc638d 100644 --- a/include/common.h +++ b/include/common.h @@ -83,6 +83,10 @@ typedef volatile unsigned char vu_char; #include <mpc85xx.h> #include <asm/immap_85xx.h> #endif +#ifdef CONFIG_MPC83XX +#include <mpc83xx.h> +#include <asm/immap_83xx.h> +#endif #ifdef CONFIG_4xx #include <ppc4xx.h> #endif @@ -409,8 +413,9 @@ int sdram_adjust_866 (void); int adjust_sdram_tbs_8xx (void); #if defined(CONFIG_8260) int prt_8260_clks (void); -#endif -#if defined(CONFIG_MPC5xxx) +#elif defined(CONFIG_MPC83XX) +int print_clock_conf(void); +#elif defined(CONFIG_MPC5xxx) int prt_mpc5xxx_clks (void); #endif #if defined(CONFIG_MPC8220) diff --git a/include/configs/MPC8349ADS.h b/include/configs/MPC8349ADS.h new file mode 100644 index 0000000..4f4a99b --- /dev/null +++ b/include/configs/MPC8349ADS.h @@ -0,0 +1,609 @@ +/* + * Copyright 2004 Freescale Semiconductor. + * + * 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 + */ + +/* + * mpc8349ads board configuration file + * + * Please refer to doc/README.mpc83xxads for more info. + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#undef DEBUG + +#define CONFIG_MII + +/* + * High Level Configuration Options + */ +#define CONFIG_E300 1 /* E300 Family */ +#define CONFIG_MPC83XX 1 /* MPC83XX family */ +#define CONFIG_MPC8349 1 /* MPC8349 specific */ +#define CONFIG_MPC8349ADS 1 /* MPC8349ADS board specific */ + +#define CONFIG_PCI + +#define CONFIG_TSEC_ENET /* tsec ethernet support */ +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup*/ + +#undef CONFIG_DDR_ECC /* only for ECC DDR module */ + +#define PCI_66M +#ifdef PCI_66M +#define CONFIG_83XX_CLKIN 66000000 /* in Hz */ +#else +#define CONFIG_83XX_CLKIN 33000000 /* in Hz */ +#endif + +#ifndef CONFIG_SYS_CLK_FREQ +#ifdef PCI_66M +#define CONFIG_SYS_CLK_FREQ 66000000 +#else +#define CONFIG_SYS_CLK_FREQ 33000000 +#endif +#endif + +#define CONFIG_BOARD_EARLY_INIT_F /* call board_pre_init */ + +#define CFG_IMMRBAR 0xE0000000 + +#undef CFG_DRAM_TEST /* memory test, takes time */ +#define CFG_MEMTEST_START 0x00000000 /* memtest region */ +#define CFG_MEMTEST_END 0x00100000 + + + +/* + * DDR Setup + */ + +#define CFG_DDR_BASE 0x00000000 /* DDR is system memory*/ +#define CFG_SDRAM_BASE CFG_DDR_BASE +#undef CONFIG_DDR_2T_TIMING +#define CFG_DDR_SDRAM_BASE CFG_DDR_BASE + +#if defined(CONFIG_SPD_EEPROM) + /* + * Determine DDR configuration from I2C interface. + */ + #define SPD_EEPROM_ADDRESS 0x51 /* DDR DIMM */ + +#else + /* + * Manually set up DDR parameters + */ + #define CFG_DDR_SIZE 256 /* Mb */ + #define CFG_DDR_CONFIG (CSCONFIG_EN | CSCONFIG_ROW_BIT_13 | CSCONFIG_COL_BIT_9) + #define CFG_DDR_TIMING_1 0x37344321 + #define CFG_DDR_TIMING_2 0x00000800 /* P9-45,may need tuning */ + #define CFG_DDR_CONTROL 0xc2000000 /* unbuffered,no DYN_PWR */ + #define CFG_DDR_MODE 0x00000062 /* DLL,normal,seq,4/2.5 */ + #define CFG_DDR_INTERVAL 0x05200100 /* autocharge,no open page */ +#endif + + +/* + * SDRAM on the Local Bus + */ +#define CFG_LBC_SDRAM_BASE 0xf0000000 /* Localbus SDRAM */ +#define CFG_LBC_SDRAM_SIZE 64 /* LBC SDRAM is 64MB */ + +/* + * FLASH on the Local Bus + */ +#define CFG_FLASH_CFI /* use the Common Flash Interface */ +#define CFG_FLASH_CFI_DRIVER /* use the CFI driver */ +#define CFG_FLASH_BASE 0xFE000000 /* start of FLASH */ +#define CFG_FLASH_SIZE 8 /* FLASH size in MB */ +/* #define CFG_FLASH_USE_BUFFER_WRITE */ + +#define CFG_BR0_PRELIM (CFG_FLASH_BASE | /* Flash Base address */ \ + (2 << BR_PS_SHIFT) | /* 32 bit port size */ \ + BR_V) /* valid */ +#define CFG_OR0_PRELIM 0xff806ff7 /* 16Mb Flash size*/ +#define CFG_LBLAWBAR0_PRELIM CFG_FLASH_BASE /* Window base at flash base */ +#define CFG_LBLAWAR0_PRELIM 0x80000016 /* 16Mb window size */ + + +#define CFG_MAX_FLASH_BANKS 1 /* number of banks */ +#define CFG_MAX_FLASH_SECT 64 /* sectors per device */ + +#undef CFG_FLASH_CHECKSUM +#define CFG_FLASH_ERASE_TOUT 60000 /* Flash Erase Timeout (ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (ms) */ + +#define CFG_MID_FLASH_JUMP 0x7F000000 +#define CFG_MONITOR_BASE TEXT_BASE /* start of monitor */ + + +#if (CFG_MONITOR_BASE < CFG_FLASH_BASE) +#define CFG_RAMBOOT +#else +#undef CFG_RAMBOOT +#endif + +/* + * BCSR register on local bus 32KB, 8-bit wide for ADS config reg + */ +#define CFG_BCSR 0xF8000000 +#define CFG_LBLAWBAR1_PRELIM CFG_BCSR /* Access window base at BCSR base */ +#define CFG_LBLAWAR1_PRELIM 0x8000000E /* Access window size 32K */ +#define CFG_BR1_PRELIM (CFG_BCSR|0x00000801) /* Port-size=8bit, MSEL=GPCM */ +#define CFG_OR1_PRELIM 0xFFFFE8f0 /* length 32K */ + + +#define CONFIG_L1_INIT_RAM +#define CFG_INIT_RAM_LOCK 1 +#define CFG_INIT_RAM_ADDR 0xe4010000 /* Initial RAM address */ +#define CFG_INIT_RAM_END 0x1000 /* End of used area in RAM*/ + +#define CFG_GBL_DATA_SIZE 0x100 /* num bytes initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */ +#define CFG_MALLOC_LEN (128 * 1024) /* Reserved for malloc */ + +/* + * Local Bus LCRR and LBCR regs + * LCRR: DLL bypass, Clock divider is 4 + * External Local Bus rate is + * CLKIN * HRCWL_CSB_TO_CLKIN / HRCWL_LCL_BUS_TO_SCB_CLK / LCRR_CLKDIV + */ +#define CFG_LCRR (LCRR_DBYP | LCRR_CLKDIV_4) +#define CFG_LBC_LBCR 0x00000000 + +#define CFG_LB_SDRAM /* if board has SRDAM on local bus */ + +#ifdef CFG_LB_SDRAM +/*local bus BR2, OR2 definition for SDRAM if soldered on the ADS board*/ +/* + * Base Register 2 and Option Register 2 configure SDRAM. + * The SDRAM base address, CFG_LBC_SDRAM_BASE, is 0xf0000000. + * + * For BR2, need: + * Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0 + * port-size = 32-bits = BR2[19:20] = 11 + * no parity checking = BR2[21:22] = 00 + * SDRAM for MSEL = BR2[24:26] = 011 + * Valid = BR[31] = 1 + * + * 0 4 8 12 16 20 24 28 + * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861 + * + * FIXME: CFG_LBC_SDRAM_BASE should be masked and OR'ed into + * FIXME: the top 17 bits of BR2. + */ + +#define CFG_BR2_PRELIM 0xf0001861 /*Port-size=32bit, MSEL=SDRAM*/ + +#define CFG_LBLAWBAR2_PRELIM 0xF0000000 + +#define CFG_LBLAWAR2_PRELIM 0x80000019 /*64M*/ + + +/* + * The SDRAM size in MB, CFG_LBC_SDRAM_SIZE, is 64. + * + * For OR2, need: + * 64MB mask for AM, OR2[0:7] = 1111 1100 + * XAM, OR2[17:18] = 11 + * 9 columns OR2[19-21] = 010 + * 13 rows OR2[23-25] = 100 + * EAD set for extra time OR[31] = 1 + * + * 0 4 8 12 16 20 24 28 + * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901 + */ + +#define CFG_OR2_PRELIM 0xfc006901 + +#define CFG_LBC_LSRT 0x32000000 /* LB sdram refresh timer, about 6us */ +#define CFG_LBC_MRTPR 0x20000000 /* LB refresh timer prescal, 266MHz/32*/ + +/* + * LSDMR masks + */ +#define CFG_LBC_LSDMR_RFEN (1 << (31 - 1)) +#define CFG_LBC_LSDMR_BSMA1516 (3 << (31 - 10)) +#define CFG_LBC_LSDMR_BSMA1617 (4 << (31 - 10)) +#define CFG_LBC_LSDMR_RFCR5 (3 << (31 - 16)) +#define CFG_LBC_LSDMR_RFCR8 (5 << (31 - 16)) +#define CFG_LBC_LSDMR_RFCR16 (7 << (31 - 16)) +#define CFG_LBC_LSDMR_PRETOACT3 (3 << (31 - 19)) +#define CFG_LBC_LSDMR_PRETOACT6 (5 << (31 - 19)) +#define CFG_LBC_LSDMR_PRETOACT7 (7 << (31 - 19)) +#define CFG_LBC_LSDMR_ACTTORW3 (3 << (31 - 22)) +#define CFG_LBC_LSDMR_ACTTORW7 (7 << (31 - 22)) +#define CFG_LBC_LSDMR_ACTTORW6 (6 << (31 - 22)) +#define CFG_LBC_LSDMR_BL8 (1 << (31 - 23)) +#define CFG_LBC_LSDMR_WRC2 (2 << (31 - 27)) +#define CFG_LBC_LSDMR_WRC3 (3 << (31 - 27)) +#define CFG_LBC_LSDMR_WRC4 (0 << (31 - 27)) +#define CFG_LBC_LSDMR_BUFCMD (1 << (31 - 29)) +#define CFG_LBC_LSDMR_CL3 (3 << (31 - 31)) + +#define CFG_LBC_LSDMR_OP_NORMAL (0 << (31 - 4)) +#define CFG_LBC_LSDMR_OP_ARFRSH (1 << (31 - 4)) +#define CFG_LBC_LSDMR_OP_SRFRSH (2 << (31 - 4)) +#define CFG_LBC_LSDMR_OP_MRW (3 << (31 - 4)) +#define CFG_LBC_LSDMR_OP_PRECH (4 << (31 - 4)) +#define CFG_LBC_LSDMR_OP_PCHALL (5 << (31 - 4)) +#define CFG_LBC_LSDMR_OP_ACTBNK (6 << (31 - 4)) +#define CFG_LBC_LSDMR_OP_RWINV (7 << (31 - 4)) + +#define CFG_LBC_LSDMR_COMMON ( CFG_LBC_LSDMR_RFEN \ + | CFG_LBC_LSDMR_BSMA1516 \ + | CFG_LBC_LSDMR_RFCR8 \ + | CFG_LBC_LSDMR_PRETOACT6 \ + | CFG_LBC_LSDMR_ACTTORW3 \ + | CFG_LBC_LSDMR_BL8 \ + | CFG_LBC_LSDMR_WRC3 \ + | CFG_LBC_LSDMR_CL3 \ + ) + + +/* + * SDRAM Controller configuration sequence. + */ +#define CFG_LBC_LSDMR_1 ( CFG_LBC_LSDMR_COMMON \ + | CFG_LBC_LSDMR_OP_PCHALL) +#define CFG_LBC_LSDMR_2 ( CFG_LBC_LSDMR_COMMON \ + | CFG_LBC_LSDMR_OP_ARFRSH) +#define CFG_LBC_LSDMR_3 ( CFG_LBC_LSDMR_COMMON \ + | CFG_LBC_LSDMR_OP_ARFRSH) +#define CFG_LBC_LSDMR_4 ( CFG_LBC_LSDMR_COMMON \ + | CFG_LBC_LSDMR_OP_MRW) +#define CFG_LBC_LSDMR_5 ( CFG_LBC_LSDMR_COMMON \ + | CFG_LBC_LSDMR_OP_NORMAL) + +#endif + + + + + +/* + * Serial Port + */ +#define CONFIG_CONS_INDEX 1 +#undef CONFIG_SERIAL_SOFTWARE_FIFO +#define CFG_NS16550 +#define CFG_NS16550_SERIAL +#define CFG_NS16550_REG_SIZE 1 +#define CFG_NS16550_CLK get_bus_freq(0) + +#define CFG_BAUDRATE_TABLE \ + {300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200} + +#define CFG_NS16550_COM1 (CFG_IMMRBAR+0x4500) +#define CFG_NS16550_COM2 (CFG_IMMRBAR+0x4600) + +/* Use the HUSH parser */ +#define CFG_HUSH_PARSER +#ifdef CFG_HUSH_PARSER +#define CFG_PROMPT_HUSH_PS2 "> " +#endif + +/* I2C */ +#define CONFIG_HARD_I2C /* I2C with hardware support*/ +#undef CONFIG_SOFT_I2C /* I2C bit-banged */ +#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ +#define CFG_I2C_SLAVE 0x7F +#define CFG_I2C_NOPROBES {0x69} /* Don't probe these addrs */ +#define CFG_I2C_OFFSET 0x3000 +#define CFG_I2C2_OFFSET 0x3100 + +/* TSEC */ +#define CFG_TSEC1_OFFSET 0x24000 +#define CFG_TSEC1 (CFG_IMMRBAR+CFG_TSEC1_OFFSET) +#define CFG_TSEC2_OFFSET 0x25000 +#define CFG_TSEC2 (CFG_IMMRBAR+CFG_TSEC2_OFFSET) + + +/* IO Configuration */ +#define CFG_IO_CONF (\ + IO_CONF_UART |\ + IO_CONF_TSEC1 |\ + IO_CONF_IRQ0 |\ + IO_CONF_IRQ1 |\ + IO_CONF_IRQ2 |\ + IO_CONF_IRQ3 |\ + IO_CONF_IRQ4 |\ + IO_CONF_IRQ5 |\ + IO_CONF_IRQ6 |\ + IO_CONF_IRQ7 ) + +/* + * General PCI + * Addresses are mapped 1-1. + */ +#define CFG_PCI1_MEM_BASE 0x80000000 +#define CFG_PCI1_MEM_PHYS CFG_PCI1_MEM_BASE +#define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */ +#define CFG_PCI1_IO_BASE 0x00000000 +#define CFG_PCI1_IO_PHYS 0xe2000000 +#define CFG_PCI1_IO_SIZE 0x1000000 /* 16M */ + + +#define CFG_PCI2_MEM_BASE 0xA0000000 +#define CFG_PCI2_MEM_PHYS CFG_PCI2_MEM_BASE +#define CFG_PCI2_MEM_SIZE 0x20000000 /* 512M */ +#define CFG_PCI2_IO_BASE 0x00000000 +#define CFG_PCI2_IO_PHYS 0xe3000000 +#define CFG_PCI2_IO_SIZE 0x1000000 /* 16M */ +#if defined(CONFIG_PCI) + +//#define PCI_64BIT +#define PCI_ALL_PCI1 +//#define PCI_ONE_PCI1 +//#define PCI_TWO_PCI1 +#if defined(PCI_64BIT) +#undef PCI_ALL_PCI1 +#undef PCI_TWO_PCI1 +#undef PCI_ONE_PCI1 +#endif + +#define CONFIG_NET_MULTI +#define CONFIG_PCI_PNP /* do pci plug-and-play */ + +#undef CONFIG_EEPRO100 +#undef CONFIG_TULIP + +#if !defined(CONFIG_PCI_PNP) + #define PCI_ENET0_IOADDR 0xFIXME + #define PCI_ENET0_MEMADDR 0xFIXME + #define PCI_IDSEL_NUMBER 0x0c /* slot0->3(IDSEL)=12->15 */ +#endif + +#undef CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ +#define CFG_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */ + +#endif /* CONFIG_PCI */ + + +#if defined(CONFIG_TSEC_ENET) + +#ifndef CONFIG_NET_MULTI +#define CONFIG_NET_MULTI 1 +#endif + +#define CONFIG_GMII 1 /* MII PHY management */ +#define CONFIG_MPC83XX_TSEC1 1 +#define CONFIG_MPC83XX_TSEC1_NAME "TSEC0" +#define CONFIG_MPC83XX_TSEC2 1 +#define CONFIG_MPC83XX_TSEC2_NAME "TSEC1" +#define TSEC1_PHY_ADDR 0 +#define TSEC2_PHY_ADDR 1 +#define TSEC1_PHYIDX 0 +#define TSEC2_PHYIDX 0 + +/* Options are: TSEC[0-1] */ +#define CONFIG_ETHPRIME "TSEC0" + +#endif /* CONFIG_TSEC_ENET */ + + +/* + * Environment + */ +#ifndef CFG_RAMBOOT + #define CFG_ENV_IS_IN_FLASH 1 + #define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000) + #define CFG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */ + #define CFG_ENV_SIZE 0x2000 +#else + #define CFG_NO_FLASH 1 /* Flash is not usable now */ + #define CFG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */ + #define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000) + #define CFG_ENV_SIZE 0x2000 +#endif + +#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ +#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ + +#if defined(CFG_RAMBOOT) + #if defined(CONFIG_PCI) + #define CONFIG_COMMANDS ((CONFIG_CMD_DFL \ + | CFG_CMD_PING \ + | CFG_CMD_PCI \ + | CFG_CMD_I2C) \ + & \ + ~(CFG_CMD_ENV \ + | CFG_CMD_LOADS)) + #else + #define CONFIG_COMMANDS ((CONFIG_CMD_DFL \ + | CFG_CMD_PING \ + | CFG_CMD_I2C) \ + & \ + ~(CFG_CMD_ENV \ + | CFG_CMD_LOADS)) + #endif +#else + #if defined(CONFIG_PCI) + #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ + | CFG_CMD_PCI \ + | CFG_CMD_PING \ + | CFG_CMD_I2C) + #else + #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ + | CFG_CMD_PING \ + | CFG_CMD_I2C \ + | CFG_CMD_MII \ + ) + #endif +#endif + +#include <cmd_confdefs.h> + +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_LOAD_ADDR 0x2000000 /* default load address */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else + #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif + +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ +#define CFG_HZ 1000 /* decrementer freq: 1ms ticks */ + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ + +/* Cache Configuration */ +#define CFG_DCACHE_SIZE 32768 +#define CFG_CACHELINE_SIZE 32 +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ +#endif + +#define CFG_RCWH_PCIHOST 0x80000000 /* PCIHOST */ + +#define CFG_HRCW_LOW (\ + HRCWL_LCL_BUS_TO_SCB_CLK_1X1 |\ + HRCWL_DDR_TO_SCB_CLK_1X1 |\ + HRCWL_CSB_TO_CLKIN_4X1 |\ + HRCWL_VCO_1X2 |\ + HRCWL_CORE_TO_CSB_2X1) + +#if defined(PCI_64BIT) +#define CFG_HRCW_HIGH (\ + HRCWH_PCI_HOST |\ + HRCWH_64_BIT_PCI |\ + HRCWH_PCI1_ARBITER_ENABLE |\ + HRCWH_PCI2_ARBITER_DISABLE |\ + HRCWH_CORE_ENABLE |\ + HRCWH_FROM_0X00000100 |\ + HRCWH_BOOTSEQ_DISABLE |\ + HRCWH_SW_WATCHDOG_DISABLE |\ + HRCWH_ROM_LOC_LOCAL_16BIT |\ + HRCWH_TSEC1M_IN_GMII |\ + HRCWH_TSEC2M_IN_GMII ) +#else +#define CFG_HRCW_HIGH (\ + HRCWH_PCI_HOST |\ + HRCWH_32_BIT_PCI |\ + HRCWH_PCI1_ARBITER_ENABLE |\ + HRCWH_PCI2_ARBITER_ENABLE |\ + HRCWH_CORE_ENABLE |\ + HRCWH_FROM_0X00000100 |\ + HRCWH_BOOTSEQ_DISABLE |\ + HRCWH_SW_WATCHDOG_DISABLE |\ + HRCWH_ROM_LOC_LOCAL_16BIT |\ + HRCWH_TSEC1M_IN_GMII |\ + HRCWH_TSEC2M_IN_GMII ) +#endif + + +#define CFG_HID0_INIT 0x000000000 + +#define CFG_HID0_FINAL CFG_HID0_INIT + +/* #define CFG_HID0_FINAL (\ + HID0_ENABLE_INSTRUCTION_CACHE |\ + HID0_ENABLE_M_BIT |\ + HID0_ENABLE_ADDRESS_BROADCAST ) */ + +#define CFG_HID2 0x000000000 + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CONFIG_KGDB_BAUDRATE 230400 /* speed of kgdb serial port */ +#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ +#endif + + +/* + * Environment Configuration + */ + +#if defined(CONFIG_TSEC_ENET) +#define CONFIG_ETHADDR 00:04:9f:11:22:33 +#define CONFIG_HAS_ETH1 +#define CONFIG_ETH1ADDR 00:E0:0C:00:7D:01 +#endif + +#define CONFIG_IPADDR 10.193.20.150 + +#define CONFIG_HOSTNAME unknown +#define CONFIG_ROOTPATH /tftpboot/10.193.20.150 +#define CONFIG_BOOTFILE /tftpboot/vmlinux.150 + +#define CONFIG_SERVERIP 10.193.20.58 +#define CONFIG_GATEWAYIP 192.168.1.1 +#define CONFIG_NETMASK 255.255.255.0 + +#define CONFIG_LOADADDR 200000 /* default location for tftp and bootm */ + +#define CONFIG_BOOTDELAY 6 /* -1 disables auto-boot */ +#undef CONFIG_BOOTARGS /* the boot command will set bootargs */ + +#define CONFIG_BAUDRATE 115200 + + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "netdev=eth0\0" \ + "consoledev=ttyS0\0" \ + "ramdiskaddr=400000\0" \ + "ramdiskfile=ramfs.83xx\0" \ + +#define CONFIG_NFSBOOTCOMMAND \ + "setenv bootargs root=/dev/nfs rw " \ + "nfsroot=$serverip:$rootpath " \ + "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \ + "console=$consoledev,$baudrate $othbootargs;" \ + "tftp $loadaddr $bootfile;" \ + "bootm $loadaddr" + +#define CONFIG_RAMBOOTCOMMAND \ + "setenv bootargs root=/dev/ram rw " \ + "console=$consoledev,$baudrate $othbootargs;" \ + "tftp $ramdiskaddr $ramdiskfile;" \ + "tftp $loadaddr $bootfile;" \ + "bootm $loadaddr $ramdiskaddr" + +#define CONFIG_BOOTCOMMAND CONFIG_NFSBOOTCOMMAND + +#endif /* __CONFIG_H */ diff --git a/include/mpc83xx.h b/include/mpc83xx.h new file mode 100644 index 0000000..5161df8 --- /dev/null +++ b/include/mpc83xx.h @@ -0,0 +1,289 @@ +/* + * Copyright 2004 Freescale Semiconductor, Inc. + * + * 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 + */ + +/* + * mpc83xx.h + * + * MPC83xx specific definitions + */ + +#ifndef __MPC83XX_H__ +#define __MPC83XX_H__ + +#if defined(CONFIG_E300) +#include <asm/e300.h> +#endif + +/* + * MPC83xx cpu provide RCR register to do reset thing specially. easier + * to implement + */ + +#define MPC83xx_RESET + +/* + * System reset offset (PowerPC standard) + */ +#define EXC_OFF_SYS_RESET 0x0100 + +/* + * Default Internal Memory Register Space (Freescale recomandation) + */ +#define CONFIG_DEFAULT_IMMR 0xFF400000 + +/* + * Watchdog + */ +#define SWCRR 0x0204 +#define SWCRR_SWTC 0xFFFF0000 /* Software Watchdog Time Count. */ +#define SWCRR_SWEN 0x00000004 /* Watchdog Enable bit. */ +#define SWCRR_SWRI 0x00000002 /* Software Watchdog Reset/Interrupt Select bit. */ +#define SWCRR_SWPR 0x00000001 /* Software Watchdog Counter Prescale bit. */ +#define SWCRR_RES ~(SWCRR_SWTC | SWCRR_SWEN | SWCRR_SWRI | SWCRR_SWPR) + +#define SWCNR 0x0208 +#define SWCNR_SWCN 0x0000FFFF Software Watchdog Count Field. +#define SWCNR_RES ~(SWCNR_SWCN) + +#define SWSRR 0x020E + +/* + * Default Internal Memory Register Space (Freescale recomandation) + */ +#define IMMRBAR 0x0000 +#define IMMRBAR_BASE_ADDR 0xFFF00000 /* Identifies the 12 most-significant address bits of the base of the 1 MByte internal memory window. */ +#define IMMRBAR_RES ~(IMMRBAR_BASE_ADDR) + +/* + * Default Internal Memory Register Space (Freescale recomandation) + */ +#define LBLAWBAR0 0x0020 +#define LBLAWAR0 0x0024 +#define LBLAWBAR1 0x0028 +#define LBLAWAR1 0x002C +#define LBLAWBAR2 0x0030 +#define LBLAWAR2 0x0034 +#define LBLAWBAR3 0x0038 +#define LBLAWAR3 0x003C + + +/* + * Base Registers & Option Registers + */ +#define BR0 0x5000 +#define BR1 0x5008 +#define BR2 0x5010 +#define BR3 0x5018 +#define BR4 0x5020 +#define BR5 0x5028 +#define BR6 0x5030 +#define BR7 0x5038 + +#define BR_BA 0xFFFF8000 +#define BR_BA_SHIFT 15 +#define BR_PS 0x00001800 +#define BR_PS_SHIFT 11 +#define BR_DECC 0x00000600 +#define BR_DECC_SHIFT 9 +#define BR_WP 0x00000100 +#define BR_WP_SHIFT 8 +#define BR_MSEL 0x000000E0 +#define BR_MSEL_SHIFT 5 +#define BR_V 0x00000001 +#define BR_V_SHIFT 0 +#define BR_RES ~(BR_BA|BR_PS|BR_DECC|BR_WP|BR_MSEL|BR_V) + +#define OR0 0x5004 +#define OR1 0x500C +#define OR2 0x5014 +#define OR3 0x501C +#define OR4 0x5024 +#define OR5 0x502C +#define OR6 0x5034 +#define OR7 0x503C + +#define OR_GPCM_AM 0xFFFF8000 +#define OR_GPCM_AM_SHIFT 15 +#define OR_GPCM_BCTLD 0x00001000 +#define OR_GPCM_BCTLD_SHIFT 12 +#define OR_GPCM_CSNT 0x00000800 +#define OR_GPCM_CSNT_SHIFT 11 +#define OR_GPCM_ACS 0x00000600 +#define OR_GPCM_ACS_SHIFT 9 +#define OR_GPCM_XACS 0x00000100 +#define OR_GPCM_XACS_SHIFT 8 +#define OR_GPCM_SCY 0x000000F0 +#define OR_GPCM_SCY_SHIFT 4 +#define OR_GPCM_SETA 0x00000008 +#define OR_GPCM_SETA_SHIFT 3 +#define OR_GPCM_TRLX 0x00000004 +#define OR_GPCM_TRLX_SHIFT 2 +#define OR_GPCM_EHTR 0x00000002 +#define OR_GPCM_EHTR_SHIFT 1 +#define OR_GPCM_EAD 0x00000001 +#define OR_GPCM_EAD_SHIFT 0 + +#define OR_UPM_AM 0xFFFF8000 +#define OR_UPM_AM_SHIFT 15 +#define OR_UPM_XAM 0x00006000 +#define OR_UPM_XAM_SHIFT 13 +#define OR_UPM_BCTLD 0x00001000 +#define OR_UPM_BCTLD_SHIFT 12 +#define OR_UPM_BI 0x00000100 +#define OR_UPM_BI_SHIFT 8 +#define OR_UPM_TRLX 0x00000004 +#define OR_UPM_TRLX_SHIFT 2 +#define OR_UPM_EHTR 0x00000002 +#define OR_UPM_EHTR_SHIFT 1 +#define OR_UPM_EAD 0x00000001 +#define OR_UPM_EAD_SHIFT 0 + +#define OR_SDRAM_AM 0xFFFF8000 +#define OR_SDRAM_AM_SHIFT 15 +#define OR_SDRAM_XAM 0x00006000 +#define OR_SDRAM_XAM_SHIFT 13 +#define OR_SDRAM_COLS 0x00001C00 +#define OR_SDRAM_COLS_SHIFT 10 +#define OR_SDRAM_ROWS 0x000001C0 +#define OR_SDRAM_ROWS_SHIFT 6 +#define OR_SDRAM_PMSEL 0x00000020 +#define OR_SDRAM_PMSEL_SHIFT 5 +#define OR_SDRAM_EAD 0x00000001 +#define OR_SDRAM_EAD_SHIFT 0 + +/* + * Hard Reset Configration Word - High + */ +#define HRCWH_PCI_AGENT 0x00000000 +#define HRCWH_PCI_HOST 0x80000000 + +#define HRCWH_32_BIT_PCI 0x00000000 +#define HRCWH_64_BIT_PCI 0x40000000 + +#define HRCWH_PCI1_ARBITER_DISABLE 0x00000000 +#define HRCWH_PCI1_ARBITER_ENABLE 0x20000000 + +#define HRCWH_PCI2_ARBITER_DISABLE 0x00000000 +#define HRCWH_PCI2_ARBITER_ENABLE 0x10000000 + +#define HRCWH_CORE_DISABLE 0x08000000 +#define HRCWH_CORE_ENABLE 0x00000000 + +#define HRCWH_FROM_0X00000100 0x00000000 +#define HRCWH_FROM_0XFFF00100 0x04000000 + +#define HRCWH_BOOTSEQ_DISABLE 0x00000000 +#define HRCWH_BOOTSEQ_NORMAL 0x01000000 +#define HRCWH_BOOTSEQ_EXTENDED 0x02000000 + +#define HRCWH_SW_WATCHDOG_DISABLE 0x00000000 +#define HRCWH_SW_WATCHDOG_ENABLE 0x00800000 + +#define HRCWH_ROM_LOC_DDR_SDRAM 0x00000000 +#define HRCWH_ROM_LOC_PCI1 0x00100000 +#define HRCWH_ROM_LOC_PCI2 0x00200000 +#define HRCWH_ROM_LOC_LOCAL_8BIT 0x00500000 +#define HRCWH_ROM_LOC_LOCAL_16BIT 0x00600000 +#define HRCWH_ROM_LOC_LOCAL_32BIT 0x00700000 + +#define HRCWH_TSEC1M_IN_RGMII 0x00000000 +#define HRCWH_TSEC1M_IN_RTBI 0x00004000 +#define HRCWH_TSEC1M_IN_GMII 0x00008000 +#define HRCWH_TSEC1M_IN_TBI 0x0000C000 + +#define HRCWH_TSEC2M_IN_RGMII 0x00000000 +#define HRCWH_TSEC2M_IN_RTBI 0x00001000 +#define HRCWH_TSEC2M_IN_GMII 0x00002000 +#define HRCWH_TSEC2M_IN_TBI 0x00003000 + +#define HRCWH_BIG_ENDIAN 0x00000000 +#define HRCWH_LITTLE_ENDIAN 0x00000008 + +/* + * Hard Reset Configration Word - Low + */ +#define HRCWL_LCL_BUS_TO_SCB_CLK_1X1 0x00000000 +#define HRCWL_LCL_BUS_TO_SCB_CLK_2X1 0x80000000 + +#define HRCWL_DDR_TO_SCB_CLK_1X1 0x00000000 +#define HRCWL_DDR_TO_SCB_CLK_2X1 0x40000000 + +#define HRCWL_CSB_TO_CLKIN_16X1 0x00000000 +#define HRCWL_CSB_TO_CLKIN_1X1 0x01000000 +#define HRCWL_CSB_TO_CLKIN_2X1 0x02000000 +#define HRCWL_CSB_TO_CLKIN_3X1 0x03000000 +#define HRCWL_CSB_TO_CLKIN_4X1 0x04000000 +#define HRCWL_CSB_TO_CLKIN_5X1 0x05000000 +#define HRCWL_CSB_TO_CLKIN_6X1 0x06000000 +#define HRCWL_CSB_TO_CLKIN_7X1 0x07000000 +#define HRCWL_CSB_TO_CLKIN_8X1 0x08000000 +#define HRCWL_CSB_TO_CLKIN_9X1 0x09000000 +#define HRCWL_CSB_TO_CLKIN_10X1 0x0A000000 +#define HRCWL_CSB_TO_CLKIN_11X1 0x0B000000 +#define HRCWL_CSB_TO_CLKIN_12X1 0x0C000000 +#define HRCWL_CSB_TO_CLKIN_13X1 0x0D000000 +#define HRCWL_CSB_TO_CLKIN_14X1 0x0E000000 +#define HRCWL_CSB_TO_CLKIN_15X1 0x0F000000 + +#define HRCWL_VCO_BYPASS 0x00000000 +#define HRCWL_VCO_1X2 0x00000000 +#define HRCWL_VCO_1X4 0x00200000 +#define HRCWL_VCO_1X8 0x00400000 + +#define HRCWL_CORE_TO_CSB_BYPASS 0x00000000 +#define HRCWL_CORE_TO_CSB_1X1 0x00020000 +#define HRCWL_CORE_TO_CSB_1_5X1 0x00030000 +#define HRCWL_CORE_TO_CSB_2X1 0x00040000 +#define HRCWL_CORE_TO_CSB_2_5X1 0x00050000 +#define HRCWL_CORE_TO_CSB_3X1 0x00060000 + +/* + * LCRR - Clock Ratio Register (10.3.1.16) + */ +#define LCRR_DBYP 0x80000000 +#define LCRR_DBYP_SHIFT 31 +#define LCRR_BUFCMDC 0x30000000 +#define LCRR_BUFCMDC_1 0x10000000 +#define LCRR_BUFCMDC_2 0x20000000 +#define LCRR_BUFCMDC_3 0x30000000 +#define LCRR_BUFCMDC_4 0x00000000 +#define LCRR_BUFCMDC_SHIFT 28 +#define LCRR_ECL 0x03000000 +#define LCRR_ECL_4 0x00000000 +#define LCRR_ECL_5 0x01000000 +#define LCRR_ECL_6 0x02000000 +#define LCRR_ECL_7 0x03000000 +#define LCRR_ECL_SHIFT 24 +#define LCRR_EADC 0x00030000 +#define LCRR_EADC_1 0x00010000 +#define LCRR_EADC_2 0x00020000 +#define LCRR_EADC_3 0x00030000 +#define LCRR_EADC_4 0x00000000 +#define LCRR_EADC_SHIFT 16 +#define LCRR_CLKDIV 0x0000000F +#define LCRR_CLKDIV_2 0x00000002 +#define LCRR_CLKDIV_4 0x00000004 +#define LCRR_CLKDIV_8 0x00000008 +#define LCRR_CLKDIV_SHIFT 0 + + +#endif /* __MPC83XX_H__ */ diff --git a/lib_ppc/board.c b/lib_ppc/board.c index 69f1c45..1bcf673 100644 --- a/lib_ppc/board.c +++ b/lib_ppc/board.c @@ -293,6 +293,11 @@ init_fnc_t *init_sequence[] = { prt_8260_rsr, prt_8260_clks, #endif /* CONFIG_8260 */ + +#if defined(CONFIG_MPC83XX) + print_clock_conf, +#endif + checkcpu, #if defined(CONFIG_MPC5xxx) prt_mpc5xxx_clks, @@ -495,6 +500,9 @@ void board_init_f (ulong bootflag) #if defined(CONFIG_MPC5xxx) bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */ #endif +#if defined(CONFIG_MPC83XX) + bd->bi_immrbar = CFG_IMMRBAR; +#endif #if defined(CONFIG_MPC8220) bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */ bd->bi_inpfreq = gd->inp_clk; @@ -156,18 +156,26 @@ int eth_initialize(bd_t *bis) #endif #if defined(CONFIG_MPC85XX_TSEC1) tsec_initialize(bis, 0, CONFIG_MPC85XX_TSEC1_NAME); +#elif defined(CONFIG_MPC83XX_TSEC1) + tsec_initialize(bis, 0, CONFIG_MPC83XX_TSEC1_NAME); #endif #if defined(CONFIG_MPC85XX_TSEC2) tsec_initialize(bis, 1, CONFIG_MPC85XX_TSEC2_NAME); +#elif defined(CONFIG_MPC83XX_TSEC2) + tsec_initialize(bis, 1, CONFIG_MPC83XX_TSEC2_NAME); #endif #if defined(CONFIG_MPC85XX_FEC) tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME); #else # if defined(CONFIG_MPC85XX_TSEC3) tsec_initialize(bis, 2, CONFIG_MPC85XX_TSEC3_NAME); +# elif defined(CONFIG_MPC83XX_TSEC3) + tsec_initialize(bis, 2, CONFIG_MPC83XX_TSEC3_NAME); # endif # if defined(CONFIG_MPC85XX_TSEC4) tsec_initialize(bis, 3, CONFIG_MPC85XX_TSEC4_NAME); +# elif defined(CONFIG_MPC83XX_TSEC4) + tsec_initialize(bis, 3, CONFIG_MPC83XX_TSEC4_NAME); # endif #endif #if defined(CONFIG_AU1X00) |