diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/mercury/mpq101/Makefile | 53 | ||||
| -rw-r--r-- | board/mercury/mpq101/law.c | 52 | ||||
| -rw-r--r-- | board/mercury/mpq101/mpq101.c | 129 | ||||
| -rw-r--r-- | board/mercury/mpq101/tlb.c | 82 | ||||
| -rw-r--r-- | board/mercury/mpq101/u-boot.lds | 132 |
5 files changed, 448 insertions, 0 deletions
diff --git a/board/mercury/mpq101/Makefile b/board/mercury/mpq101/Makefile new file mode 100644 index 0000000..58bc1b3 --- /dev/null +++ b/board/mercury/mpq101/Makefile @@ -0,0 +1,53 @@ +# +# Copyright 2007 Freescale Semiconductor, Inc. +# (C) Copyright 2001-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS-y += $(BOARD).o +COBJS-y += law.o +COBJS-y += tlb.o + +SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS-y)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS)) + +clean: + rm -f $(OBJS) $(SOBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/mercury/mpq101/law.c b/board/mercury/mpq101/law.c new file mode 100644 index 0000000..0e23a6a --- /dev/null +++ b/board/mercury/mpq101/law.c @@ -0,0 +1,52 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/fsl_law.h> +#include <asm/mmu.h> + +/* + * LAW(Local Access Window) configuration: + * + * 0x0000_0000 0x1fff_ffff DDR SYS_SDRAM_SIZE + * 0xc000_0000 0xdfff_ffff RapidIO (set elsewhere) 512M + * 0xe000_0000 0xe000_ffff CCSR (set elsewhere) 1M + * 0xf000_0000 0xffff_ffff LBC options + FLASH 256M + * + * Notes: + * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window. + * If flash is 8M at default position (last 8M), no LAW needed. + * + * LAW 0 is reserved for boot mapping + */ + +struct law_entry law_table[] = { + SET_LAW(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_SDRAM_SIZE_LOG - 1, + LAW_TRGT_IF_DDR_1), + SET_LAW(CONFIG_SYS_LBC_OPTION_BASE_PHYS, LAW_SIZE_256M, + LAW_TRGT_IF_LBC) +}; + +int num_law_entries = ARRAY_SIZE(law_table); diff --git a/board/mercury/mpq101/mpq101.c b/board/mercury/mpq101/mpq101.c new file mode 100644 index 0000000..e02e87f --- /dev/null +++ b/board/mercury/mpq101/mpq101.c @@ -0,0 +1,129 @@ +/* + * (C) Copyright 2011 Alex Dubov <oakad@yahoo.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/processor.h> +#include <asm/mmu.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_law.h> +#include <asm/io.h> +#include <miiphy.h> +#include <libfdt.h> +#include <fdt_support.h> + +/* + * Initialize Local Bus + */ +void local_bus_init(void) +{ + fsl_lbc_t *lbc = LBC_BASE_ADDR; + + out_be32(&lbc->ltesr, 0xffffffff); /* Clear LBC error interrupts */ + out_be32(&lbc->lteir, 0xffffffff); /* Enable LBC error interrupts */ +} + +int checkboard(void) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); + + puts("Board: Mercury Computer Systems, Inc. MPQ-101 "); +#ifdef CONFIG_PHYS_64BIT + puts("(36-bit addrmap) "); +#endif + putc('\n'); + + /* + * Initialize local bus. + */ + local_bus_init(); + + /* + * Hack TSEC 3 and 4 IO voltages. + */ + out_be32(&gur->tsec34ioovcr, 0xe7e0); /* 1110 0111 1110 0xxx */ + + out_be32(&ecm->eedr, 0xffffffff); /* clear ecm errors */ + out_be32(&ecm->eeer, 0xffffffff); /* enable ecm errors */ + return 0; +} + +phys_size_t fixed_sdram(void) +{ + ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR); + const char *p_mode = getenv("perf_mode"); + + puts("Initializing...."); + + out_be32(&ddr->cs0_bnds, CONFIG_SYS_DDR_CS0_BNDS); + out_be32(&ddr->cs0_config, CONFIG_SYS_DDR_CS0_CONFIG); + + out_be32(&ddr->timing_cfg_3, CONFIG_SYS_DDR_TIMING_3); + out_be32(&ddr->timing_cfg_0, CONFIG_SYS_DDR_TIMING_0); + + if (p_mode && !strcmp("performance", p_mode)) { + out_be32(&ddr->timing_cfg_1, CONFIG_SYS_DDR_TIMING_1_PERF); + out_be32(&ddr->timing_cfg_2, CONFIG_SYS_DDR_TIMING_2_PERF); + out_be32(&ddr->sdram_mode, CONFIG_SYS_DDR_MODE_1_PERF); + out_be32(&ddr->sdram_mode_2, CONFIG_SYS_DDR_MODE_2_PERF); + out_be32(&ddr->sdram_interval, CONFIG_SYS_DDR_INTERVAL_PERF); + } else { + out_be32(&ddr->timing_cfg_1, CONFIG_SYS_DDR_TIMING_1); + out_be32(&ddr->timing_cfg_2, CONFIG_SYS_DDR_TIMING_2); + out_be32(&ddr->sdram_mode, CONFIG_SYS_DDR_MODE_1); + out_be32(&ddr->sdram_mode_2, CONFIG_SYS_DDR_MODE_2); + out_be32(&ddr->sdram_interval, CONFIG_SYS_DDR_INTERVAL); + } + + out_be32(&ddr->sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CTRL); + out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_CONTROL2); + + asm("sync;isync"); + udelay(500); + + out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL); + asm("sync; isync"); + udelay(500); + + return ((phys_size_t)1) << CONFIG_SYS_SDRAM_SIZE_LOG; +} + +void pci_init_board(void) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + /* PCI is disabled */ + out_be32(&gur->devdisr, in_be32(&gur->devdisr) + | MPC85xx_DEVDISR_PCI1 + | MPC85xx_DEVDISR_PCI2 + | MPC85xx_DEVDISR_PCIE); +} + + +#if defined(CONFIG_OF_BOARD_SETUP) + +void ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); +} + +#endif diff --git a/board/mercury/mpq101/tlb.c b/board/mercury/mpq101/tlb.c new file mode 100644 index 0000000..fd2eaec --- /dev/null +++ b/board/mercury/mpq101/tlb.c @@ -0,0 +1,82 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/mmu.h> + +struct fsl_e_tlb_entry tlb_table[] = { + /* TLB 0 - for temp stack in cache */ + SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024, + CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024, + CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024, + CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + + /* + * TLB 0: 256M Non-cacheable, guarded + * 0xf0000000 256M LBC (FLASH included) + * Out of reset this entry is only 4K. + */ + SET_TLB_ENTRY(1, CONFIG_SYS_LBC_OPTION_BASE, + CONFIG_SYS_LBC_OPTION_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 0, BOOKE_PAGESZ_256M, 1), + + /* + * TLB 1: 1M Non-cacheable, guarded + * 0xe000_0000 1M CCSRBAR + */ + SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 1, BOOKE_PAGESZ_1M, 1), + +#ifdef CONFIG_SYS_SRIO1_MEM_PHYS + /* + * TLB 2: 256M Non-cacheable, guarded + */ + SET_TLB_ENTRY(1, CONFIG_SYS_SRIO1_MEM_VIRT, CONFIG_SYS_SRIO1_MEM_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 2, BOOKE_PAGESZ_256M, 1), + + /* + * TLB 3: 256M Non-cacheable, guarded + */ + SET_TLB_ENTRY(1, CONFIG_SYS_SRIO1_MEM_VIRT + 0x10000000, + CONFIG_SYS_SRIO1_MEM_PHYS + 0x10000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 3, BOOKE_PAGESZ_256M, 1), + +#endif +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); diff --git a/board/mercury/mpq101/u-boot.lds b/board/mercury/mpq101/u-boot.lds new file mode 100644 index 0000000..4f4dda5 --- /dev/null +++ b/board/mercury/mpq101/u-boot.lds @@ -0,0 +1,132 @@ +/* + * Copyright 2007-2009 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 + */ + +#ifndef RESET_VECTOR_ADDRESS +#define RESET_VECTOR_ADDRESS 0xfffffffc +#endif + +#include <config.h> + +OUTPUT_ARCH(powerpc) + +PHDRS +{ + text PT_LOAD; + bss PT_LOAD; +} + +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + /* To simplify mass deployment, environment precedes the monitor text in the + * same flash sector. + */ + .ppcenv CONFIG_ENV_ADDR : { common/env_embedded.o (.ppcenv) } + .text : + { + *(.text*) + } :text + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } :text + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + _GOT2_TABLE_ = .; + KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); + _FIXUP_TABLE_ = .; + KEEP(*(.fixup)) + } + __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + .data : + { + *(.data*) + *(.sdata*) + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + .bootpg RESET_VECTOR_ADDRESS - 0xffc : + { + arch/powerpc/cpu/mpc85xx/start.o (.bootpg) + } :text = 0xffff + + .resetvec RESET_VECTOR_ADDRESS : + { + KEEP(*(.resetvec)) + } :text = 0xffff + + . = RESET_VECTOR_ADDRESS + 0x4; + + /* + * Make sure that the bss segment isn't linked at 0x0, otherwise its + * address won't be updated during relocation fixups. Note that + * this is a temporary fix. Code to dynamically the fixup the bss + * location will be added in the future. When the bss relocation + * fixup code is present this workaround should be removed. + */ +#if (RESET_VECTOR_ADDRESS == 0xfffffffc) + . |= 0x10; +#endif + + __bss_start = .; + .bss (NOLOAD) : + { + *(.sbss*) + *(.bss*) + *(COMMON) + } :bss + + . = ALIGN(4); + _end = . ; + PROVIDE (end = .); +} |