diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/mpc8349emds/Makefile | 46 | ||||
| -rw-r--r-- | board/mpc8349emds/config.mk | 28 | ||||
| -rw-r--r-- | board/mpc8349emds/mpc8349emds.c | 279 | ||||
| -rw-r--r-- | board/mpc8349emds/u-boot.lds | 123 |
4 files changed, 476 insertions, 0 deletions
diff --git a/board/mpc8349emds/Makefile b/board/mpc8349emds/Makefile new file mode 100644 index 0000000..38bbb67 --- /dev/null +++ b/board/mpc8349emds/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(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/mpc8349emds/config.mk b/board/mpc8349emds/config.mk new file mode 100644 index 0000000..edf64d1 --- /dev/null +++ b/board/mpc8349emds/config.mk @@ -0,0 +1,28 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# MPC8349EMDS +# + +TEXT_BASE = 0xFE000000 diff --git a/board/mpc8349emds/mpc8349emds.c b/board/mpc8349emds/mpc8349emds.c new file mode 100644 index 0000000..cff4774 --- /dev/null +++ b/board/mpc8349emds/mpc8349emds.c @@ -0,0 +1,279 @@ +/* + * (C) Copyright 2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#include <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); + +#if defined(CONFIG_DDR_ECC) && defined(CONFIG_MPC83XX) +void ddr_enable_ecc(unsigned int dram_size); +#endif + +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(0); +#else + msize = fixed_sdram(); +#endif + /* + * Initialize SDRAM if it is on local bus. + */ + sdram_init(); + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + /* + * Initialize and enable DDR ECC. + */ + ddr_enable_ecc(msize * 1024 * 1024); +#endif + 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 MPC8349EMDS\n"); + return 0; +} + +#if defined(CONFIG_PCI) +/* + * Initialize PCI Devices, report devices found + */ +#ifndef CONFIG_PCI_PNP +static struct pci_config_table pci_mpc8349emds_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_mpc8349emds_config_table, +#endif + }, + { +#ifndef CONFIG_PCI_PNP + config_table:pci_mpc8349emds_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 MPC8349EMDS 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); + + /* 0x58636733; mode register write operation */ + lbc->lsdmr = CFG_LBC_LSDMR_4; + 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/mpc8349emds/u-boot.lds b/board/mpc8349emds/u-boot.lds new file mode 100644 index 0000000..937c87a --- /dev/null +++ b/board/mpc8349emds/u-boot.lds @@ -0,0 +1,123 @@ +/* + * (C) Copyright 2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +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) + *(.eh_frame) + } + .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) |