From: TsiChung Liew Tsi-Chung.Liew@freescale.com

Add serial boot support

Signed-off-by: TsiChung Liew Tsi-Chung.Liew@freescale.com --- Makefile | 22 +++- board/freescale/m52277evb/config.mk | 4 +- board/freescale/m52277evb/m52277evb.c | 26 +++- board/freescale/m52277evb/u-boot.lds | 144 ------------------ board/freescale/m52277evb/u-boot.spa | 144 ++++++++++++++++++ board/freescale/m52277evb/u-boot.stm | 136 +++++++++++++++++ cpu/mcf5227x/Makefile | 2 +- cpu/mcf5227x/cpu_init.c | 20 ++- cpu/mcf5227x/dspi.c | 261 +++++++++++++++++++++++++++++++++ cpu/mcf5227x/speed.c | 30 +++- cpu/mcf5227x/start.S | 245 ++++++++++++++++++++++++++++++- include/asm-m68k/m5227x.h | 4 +- include/configs/M52277EVB.h | 155 +++++++++++++++----- 13 files changed, 987 insertions(+), 206 deletions(-) delete mode 100644 board/freescale/m52277evb/u-boot.lds create mode 100644 board/freescale/m52277evb/u-boot.spa create mode 100644 board/freescale/m52277evb/u-boot.stm create mode 100644 cpu/mcf5227x/dspi.c

diff --git a/Makefile b/Makefile index fceb8a2..7a35676 100644 --- a/Makefile +++ b/Makefile @@ -1898,7 +1898,27 @@ ZPC1900_config: unconfig ## Coldfire #########################################################################

-M52277EVB_config: unconfig +M52277EVB_config \ +M52277EVB_spansion_config \ +M52277EVB_stmicro_config : unconfig + @case "$@" in \ + M52277EVB_config) FLASH=SPANSION;; \ + M52277EVB_spansion_config) FLASH=SPANSION;; \ + M52277EVB_stmicro_config) FLASH=STMICRO;; \ + esac; \ + if [ "$${FLASH}" = "SPANSION" ] ; then \ + echo "#define CONFIG_SYS_SPANSION_BOOT" >> $(obj)include/config.h ; \ + echo "TEXT_BASE = 0x00000000" > $(obj)board/freescale/m52277evb/config.tmp ; \ + cp $(obj)board/freescale/m52277evb/u-boot.spa $(obj)board/freescale/m52277evb/u-boot.lds ; \ + $(XECHO) "... with SPANSION boot..." ; \ + fi; \ + if [ "$${FLASH}" = "STMICRO" ] ; then \ + echo "#define CONFIG_CF_SBF" >> $(obj)include/config.h ; \ + echo "#define CONFIG_SYS_STMICRO_BOOT" >> $(obj)include/config.h ; \ + echo "TEXT_BASE = 0x43E00000" > $(obj)board/freescale/m52277evb/config.tmp ; \ + cp $(obj)board/freescale/m52277evb/u-boot.stm $(obj)board/freescale/m52277evb/u-boot.lds ; \ + $(XECHO) "... with ST Micro boot..." ; \ + fi @$(MKCONFIG) -a M52277EVB m68k mcf5227x m52277evb freescale

M5235EVB_config \ diff --git a/board/freescale/m52277evb/config.mk b/board/freescale/m52277evb/config.mk index ce014ed..b42fcc9 100644 --- a/board/freescale/m52277evb/config.mk +++ b/board/freescale/m52277evb/config.mk @@ -22,4 +22,6 @@ # MA 02111-1307 USA #

-TEXT_BASE = 0 +sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) diff --git a/board/freescale/m52277evb/m52277evb.c b/board/freescale/m52277evb/m52277evb.c index 838a6de..9109edb 100644 --- a/board/freescale/m52277evb/m52277evb.c +++ b/board/freescale/m52277evb/m52277evb.c @@ -38,8 +38,18 @@ int checkboard(void)

phys_size_t initdram(int board_type) { + u32 dramsize; + +#ifdef CONFIG_CF_SBF + /* + * Serial Boot: The dram is already initialized in start.S + * only require to return DRAM size + */ + dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; +#else volatile sdramc_t *sdram = (volatile sdramc_t *)(MMAP_SDRAM); - u32 dramsize, i; + volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO); + u32 i;

dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;

@@ -49,6 +59,8 @@ phys_size_t initdram(int board_type) } i--;

+ gpio->mscr_sdram = CONFIG_SYS_SDRAM_DRV_STRENGTH; + sdram->sdcs0 = (CONFIG_SYS_SDRAM_BASE | i);

sdram->sdcfg1 = CONFIG_SYS_SDRAM_CFG1; @@ -56,24 +68,30 @@ phys_size_t initdram(int board_type)

/* Issue PALL */ sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 2; + __asm__("nop");

/* Issue LEMR */ - /*sdram->sdmr = CONFIG_SYS_SDRAM_EMOD; */ sdram->sdmr = CONFIG_SYS_SDRAM_MODE; + __asm__("nop"); + sdram->sdmr = CONFIG_SYS_SDRAM_EMOD; + __asm__("nop");

udelay(1000);

/* Issue PALL */ sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 2; + __asm__("nop");

/* Perform two refresh cycles */ sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 4; + __asm__("nop"); sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 4; + __asm__("nop");

- sdram->sdcr = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000c00; + sdram->sdcr = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000C00;

udelay(100); - +#endif return (dramsize); };

diff --git a/board/freescale/m52277evb/u-boot.lds b/board/freescale/m52277evb/u-boot.lds deleted file mode 100644 index 7ae70d4..0000000 --- a/board/freescale/m52277evb/u-boot.lds +++ /dev/null @@ -1,144 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -OUTPUT_ARCH(m68k) -/* Do we need any of these for elf? - __DYNAMIC = 0; */ -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = + SIZEOF_HEADERS; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rel.text : { *(.rel.text) } - .rela.text : { *(.rela.text) } - .rel.data : { *(.rel.data) } - .rela.data : { *(.rela.data) } - .rel.rodata : { *(.rel.rodata) } - .rela.rodata : { *(.rela.rodata) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.bss : { *(.rel.bss) } - .rela.bss : { *(.rela.bss) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - .init : { *(.init) } - .plt : { *(.plt) } - .text : - { - /* WARNING - the following is hand-optimized to fit within */ - /* the sector layout of our flash chips! XXX FIXME XXX */ - - cpu/mcf5227x/start.o (.text) - cpu/mcf5227x/libmcf5227x.a (.text) - lib_m68k/libm68k.a (.text) - lib_generic/libgeneric.a (.text) - common/cmd_mem.o (.text) - common/main.o (.text) - - . = DEFINED(env_offset) ? env_offset : .; - common/env_embedded.o (.text) - - *(.text) - *(.fixup) - *(.got1) - } - _etext = .; - PROVIDE (etext = .); - .rodata : - { - *(.rodata) - *(.rodata1) - } - .fini : { *(.fini) } =0 - .ctors : { *(.ctors) } - .dtors : { *(.dtors) } - - /* Read-write section, merged into data segment: */ - . = (. + 0x00FF) & 0xFFFFFF00; - _erotext = .; - PROVIDE (erotext = .); - - .reloc : - { - __got_start = .; - *(.got) - __got_end = .; - _GOT2_TABLE_ = .; - *(.got2) - _FIXUP_TABLE_ = .; - *(.fixup) - } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; - __fixup_entries = (. - _FIXUP_TABLE_)>>2; - - .data : - { - *(.data) - *(.data1) - *(.sdata) - *(.sdata2) - *(.dynamic) - CONSTRUCTORS - } - _edata = .; - PROVIDE (edata = .); - - . = .; - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - - . = .; - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; - - . = ALIGN(256); - __init_begin = .; - .text.init : { *(.text.init) } - .data.init : { *(.data.init) } - . = ALIGN(256); - __init_end = .; - - __bss_start = .; - .bss : - { - _sbss = .; - *(.sbss) *(.scommon) - *(.dynbss) - *(.bss) - *(COMMON) - . = ALIGN(4); - _ebss = .; - } - _end = . ; - PROVIDE (end = .); -} diff --git a/board/freescale/m52277evb/u-boot.spa b/board/freescale/m52277evb/u-boot.spa new file mode 100644 index 0000000..7ae70d4 --- /dev/null +++ b/board/freescale/m52277evb/u-boot.spa @@ -0,0 +1,144 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(m68k) +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/mcf5227x/start.o (.text) + cpu/mcf5227x/libmcf5227x.a (.text) + lib_m68k/libm68k.a (.text) + lib_generic/libgeneric.a (.text) + common/cmd_mem.o (.text) + common/main.o (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/env_embedded.o (.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + + .reloc : + { + __got_start = .; + *(.got) + __got_end = .; + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + _sbss = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + _end = . ; + PROVIDE (end = .); +} diff --git a/board/freescale/m52277evb/u-boot.stm b/board/freescale/m52277evb/u-boot.stm new file mode 100644 index 0000000..03ff532 --- /dev/null +++ b/board/freescale/m52277evb/u-boot.stm @@ -0,0 +1,136 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(m68k) +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/mcf5227x/start.o (.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + + .reloc : + { + __got_start = .; + *(.got) + __got_end = .; + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + _sbss = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + _end = . ; + PROVIDE (end = .); +} diff --git a/cpu/mcf5227x/Makefile b/cpu/mcf5227x/Makefile index d0e9b45..44f9385 100644 --- a/cpu/mcf5227x/Makefile +++ b/cpu/mcf5227x/Makefile @@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk LIB = lib$(CPU).a

START = start.o -COBJS = cpu.o speed.o cpu_init.o interrupts.o +COBJS = cpu.o speed.o cpu_init.o interrupts.o dspi.o

SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/cpu/mcf5227x/cpu_init.c b/cpu/mcf5227x/cpu_init.c index 0f1dd1f..8945ef3 100644 --- a/cpu/mcf5227x/cpu_init.c +++ b/cpu/mcf5227x/cpu_init.c @@ -45,6 +45,7 @@ void cpu_init_f(void) volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;

+#if !defined(CONFIG_CF_SBF) /* Workaround, must place before fbcs */ pll->psr = 0x12;

@@ -58,37 +59,44 @@ void cpu_init_f(void) scm1->pacrg = 0; scm1->pacri = 0;

-#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL)) +#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \ + && defined(CONFIG_SYS_CS0_CTRL)) fbcs->csar0 = CONFIG_SYS_CS0_BASE; fbcs->cscr0 = CONFIG_SYS_CS0_CTRL; fbcs->csmr0 = CONFIG_SYS_CS0_MASK; #endif +#endif /* CONFIG_CF_SBF */

-#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL)) +#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ + && defined(CONFIG_SYS_CS1_CTRL)) fbcs->csar1 = CONFIG_SYS_CS1_BASE; fbcs->cscr1 = CONFIG_SYS_CS1_CTRL; fbcs->csmr1 = CONFIG_SYS_CS1_MASK; #endif

-#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL)) +#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \ + && defined(CONFIG_SYS_CS2_CTRL)) fbcs->csar2 = CONFIG_SYS_CS2_BASE; fbcs->cscr2 = CONFIG_SYS_CS2_CTRL; fbcs->csmr2 = CONFIG_SYS_CS2_MASK; #endif

-#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL)) +#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \ + && defined(CONFIG_SYS_CS3_CTRL)) fbcs->csar3 = CONFIG_SYS_CS3_BASE; fbcs->cscr3 = CONFIG_SYS_CS3_CTRL; fbcs->csmr3 = CONFIG_SYS_CS3_MASK; #endif

-#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL)) +#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \ + && defined(CONFIG_SYS_CS4_CTRL)) fbcs->csar4 = CONFIG_SYS_CS4_BASE; fbcs->cscr4 = CONFIG_SYS_CS4_CTRL; fbcs->csmr4 = CONFIG_SYS_CS4_MASK; #endif

-#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL)) +#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \ + && defined(CONFIG_SYS_CS5_CTRL)) fbcs->csar5 = CONFIG_SYS_CS5_BASE; fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; fbcs->csmr5 = CONFIG_SYS_CS5_MASK; diff --git a/cpu/mcf5227x/dspi.c b/cpu/mcf5227x/dspi.c new file mode 100644 index 0000000..7f48f91 --- /dev/null +++ b/cpu/mcf5227x/dspi.c @@ -0,0 +1,261 @@ +/* + * + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2008 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.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 <spi.h> +#include <malloc.h> + +#if defined(CONFIG_CF_DSPI) +#include <asm/immap.h> + +void dspi_init(void) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; + + gpio->par_dspi = + GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT | + GPIO_PAR_DSPI_SCK_SCK; + + dspi->dmcr = DSPI_DMCR_MSTR | DSPI_DMCR_CSIS7 | DSPI_DMCR_CSIS6 | + DSPI_DMCR_CSIS5 | DSPI_DMCR_CSIS4 | DSPI_DMCR_CSIS3 | + DSPI_DMCR_CSIS2 | DSPI_DMCR_CSIS1 | DSPI_DMCR_CSIS0 | + DSPI_DMCR_CRXF | DSPI_DMCR_CTXF; + +#ifdef CONFIG_SYS_DSPI_DCTAR0 + dspi->dctar0 = CONFIG_SYS_DSPI_DCTAR0; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR1 + dspi->dctar1 = CONFIG_SYS_DSPI_DCTAR1; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR2 + dspi->dctar2 = CONFIG_SYS_DSPI_DCTAR2; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR3 + dspi->dctar3 = CONFIG_SYS_DSPI_DCTAR3; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR4 + dspi->dctar4 = CONFIG_SYS_DSPI_DCTAR4; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR5 + dspi->dctar5 = CONFIG_SYS_DSPI_DCTAR5; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR6 + dspi->dctar6 = CONFIG_SYS_DSPI_DCTAR6; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR7 + dspi->dctar7 = CONFIG_SYS_DSPI_DCTAR7; +#endif +} + +void dspi_tx(int chipsel, u8 attrib, u16 data) +{ + volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; + + while ((dspi->dsr & 0x0000F000) >= 4) ; + + dspi->dtfr = (attrib << 24) | ((1 << chipsel) << 16) | data; +} + +u16 dspi_rx(void) +{ + volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; + + while ((dspi->dsr & 0x000000F0) == 0) ; + + return (dspi->drfr & 0xFFFF); +} + +#if defined(CONFIG_CMD_SPI) +void spi_init_f(void) +{ +} + +void spi_init_r(void) +{ +} + +void spi_init(void) +{ + dspi_init(); +} + +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + struct spi_slave *slave; + + slave = malloc(sizeof(struct spi_slave)); + if (!slave) + return NULL; + + switch (cs) { + case 0: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; + gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0; + break; + case 2: + gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK; + gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2; + break; + } + + slave->bus = bus; + slave->cs = cs; + + return slave; +} + +void spi_free_slave(struct spi_slave *slave) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + switch (slave->cs) { + case 0: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; + break; + case 2: + gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK; + break; + } + + free(slave); +} + +int spi_claim_bus(struct spi_slave *slave) +{ + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ +} + +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, + void *din, unsigned long flags) +{ + static int bWrite = 0; + u8 *spi_rd, *spi_wr; + int len = bitlen >> 3; + + spi_rd = (u8 *) din; + spi_wr = (u8 *) dout; + + /* command handling */ + if (((len == 4) || (len == 1) || (len == 5)) && (dout != NULL)) { + switch (*spi_wr) { + case 0x02: /* Page Prog */ + bWrite = 1; + dspi_tx(slave->cs, 0x80, spi_wr[0]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[1]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[2]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[3]); + dspi_rx(); + return 0; + case 0x05: /* Read Status */ + if (len == 4) + if ((spi_wr[1] == 0xFF) && (spi_wr[2] == 0xFF) + && (spi_wr[3] == 0xFF)) { + dspi_tx(slave->cs, 0x80, *spi_wr); + dspi_rx(); + } + return 0; + case 0x06: /* WREN */ + dspi_tx(slave->cs, 0x00, *spi_wr); + dspi_rx(); + return 0; + case 0x0B: /* Fast read */ + if ((len == 5) && (spi_wr[4] == 0)) { + dspi_tx(slave->cs, 0x80, spi_wr[0]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[1]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[2]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[3]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[4]); + dspi_rx(); + } + return 0; + case 0x9F: /* RDID */ + dspi_tx(slave->cs, 0x80, *spi_wr); + dspi_rx(); + return 0; + case 0xD8: /* Sector erase */ + if (len == 4) + if ((spi_wr[2] == 0) && (spi_wr[3] == 0)) { + dspi_tx(slave->cs, 0x80, spi_wr[0]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[1]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[2]); + dspi_rx(); + dspi_tx(slave->cs, 0x00, spi_wr[3]); + dspi_rx(); + } + return 0; + } + } + + if (bWrite) + len--; + + while (len--) { + if (dout != NULL) { + dspi_tx(slave->cs, 0x80, *spi_wr); + dspi_rx(); + spi_wr++; + } + + if (din != NULL) { + dspi_tx(slave->cs, 0x80, 0); + *spi_rd = dspi_rx(); + spi_rd++; + } + } + + if (flags == SPI_XFER_END) { + if (bWrite) { + dspi_tx(slave->cs, 0x00, *spi_wr); + dspi_rx(); + bWrite = 0; + } else { + dspi_tx(slave->cs, 0x00, 0); + dspi_rx(); + } + } + + return 0; +} +#endif /* CONFIG_CMD_SPI */ + +#endif /* CONFIG_CF_DSPI */ diff --git a/cpu/mcf5227x/speed.c b/cpu/mcf5227x/speed.c index 74b9059..7e385d3 100644 --- a/cpu/mcf5227x/speed.c +++ b/cpu/mcf5227x/speed.c @@ -90,17 +90,33 @@ int get_clocks(void) int vco, temp, pcrvalue, pfdr; u8 bootmode;

- bootmode = (ccm->ccr & 0x000C) >> 2; - pcrvalue = pll->pcr & 0xFF0F0FFF; pfdr = pcrvalue >> 24;

- if (pfdr != 0x1E) { + if (pfdr == 0x1E) + bootmode = 0; /* Normal Mode */ + +#ifdef CONFIG_CF_SBF + bootmode = 3; /* Serial Mode */ +#endif + + if (bootmode == 0) { + /* Normal mode */ + vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; + if ((vco < CLOCK_PLL_FVCO_MIN) || (vco > CLOCK_PLL_FVCO_MAX)) { + /* Default value */ + pcrvalue = (pll->pcr & 0x00FFFFFF); + pcrvalue |= 0x1E << 24; + pll->pcr = pcrvalue; + vco = + ((pll->pcr & 0xFF000000) >> 24) * + CONFIG_SYS_INPUT_CLKSRC; + } + gd->vco_clk = vco; /* Vco clock */ + } else if (bootmode == 3) { /* serial mode */ - } else { - /* Normal Mode */ - vco = pfdr * CONFIG_SYS_INPUT_CLKSRC; - gd->vco_clk = vco; + vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; + gd->vco_clk = vco; /* Vco clock */ }

if ((ccm->ccr & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) { diff --git a/cpu/mcf5227x/start.S b/cpu/mcf5227x/start.S index becaab7..9387250 100644 --- a/cpu/mcf5227x/start.S +++ b/cpu/mcf5227x/start.S @@ -46,6 +46,11 @@ addl #60,%sp; /* space for 15 regs */ \ rte;

+#if defined(CONFIG_CF_SBF) +#define ASM_DRAMINIT (asm_dram_init - TEXT_BASE + CONFIG_SYS_INIT_RAM_ADDR) +#define ASM_SBF_IMG_HDR (asm_sbf_img_hdr - TEXT_BASE + CONFIG_SYS_INIT_RAM_ADDR) +#endif + .text /* * Vector table. This is used for initial platform startup. @@ -53,8 +58,14 @@ */ _vectors:

-INITSP: .long 0x00000000 /* Initial SP */ -INITPC: .long _START /* Initial PC */ +#if defined(CONFIG_CF_SBF) +INITSP: .long 0 /* Initial SP */ +INITPC: .long ASM_DRAMINIT /* Initial PC */ +#else +INITSP: .long 0 /* Initial SP */ +INITPC: .long _START /* Initial PC */ +#endif + vector02: .long _FAULT /* Access Error */ vector03: .long _FAULT /* Address Error */ vector04: .long _FAULT /* Illegal Instruction */ @@ -83,6 +94,7 @@ vector1D: .long _FAULT /* Autovector Level 5 */ vector1E: .long _FAULT /* Autovector Level 6 */ vector1F: .long _FAULT /* Autovector Level 7 */

+#if !defined(CONFIG_CF_SBF) /* TRAP #0 - #15 */ vector20_2F: .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT @@ -122,9 +134,231 @@ vector192_255: .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT +#endif

- .text +#if defined(CONFIG_CF_SBF) + /* Image header: chksum 4 bytes, len 4 bytes, img dest 4 bytes */ +asm_sbf_img_hdr: + .long 0x00000000 /* checksum, not yet implemented */ + .long 0x00020000 /* image length */ + .long TEXT_BASE /* image to be relocated at */ + +asm_dram_init: + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 + movec %d0, %RAMBAR1 /* init Rambar */ + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp + clr.l %sp@- + + /* Must disable global address */ + move.l #0xFC008000, %a1 + move.l #(CONFIG_SYS_CS0_BASE), (%a1) + move.l #0xFC008008, %a1 + move.l #(CONFIG_SYS_CS0_CTRL), (%a1) + move.l #0xFC008004, %a1 + move.l #(CONFIG_SYS_CS0_MASK), (%a1) + + /* + * Dram Initialization + * a1, a2, and d0 + */ + /* mscr sdram */ + move.l #0xFC0A4074, %a1 + move.b #(CONFIG_SYS_SDRAM_DRV_STRENGTH), (%a1) + nop + + /* SDRAM Chip 0 and 1 */ + move.l #0xFC0B8110, %a1 + move.l #0xFC0B8114, %a2 + + /* calculate the size */ + move.l #0x13, %d1 + move.l #(CONFIG_SYS_SDRAM_SIZE), %d2 +#ifdef CONFIG_SYS_SDRAM_BASE1 + lsr.l #1, %d2 +#endif + +dramsz_loop: + lsr.l #1, %d2 + add.l #1, %d1 + cmp.l #1, %d2 + bne dramsz_loop + + /* SDRAM Chip 0 and 1 */ + move.l #(CONFIG_SYS_SDRAM_BASE), (%a1) + or.l %d1, (%a1) +#ifdef CONFIG_SYS_SDRAM_BASE1 + move.l #(CONFIG_SYS_SDRAM_BASE1), (%a2) + or.l %d1, (%a2) +#endif + nop + + /* dram cfg1 and cfg2 */ + move.l #0xFC0B8008, %a1 + move.l #(CONFIG_SYS_SDRAM_CFG1), (%a1) + nop + move.l #0xFC0B800C, %a2 + move.l #(CONFIG_SYS_SDRAM_CFG2), (%a2) + nop

+ move.l #0xFC0B8000, %a1 /* Mode */ + move.l #0xFC0B8004, %a2 /* Ctrl */ + + /* Issue PALL */ + move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2) + nop + + /* Issue LEMR */ + move.l #(CONFIG_SYS_SDRAM_MODE), (%a1) + nop + move.l #(CONFIG_SYS_SDRAM_EMOD), (%a1) + nop + + move.l #1000, %d0 +wait1000: + nop + subq.l #1, %d0 + bne wait1000 + + /* Issue PALL */ + move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2) + nop + + /* Perform two refresh cycles */ + move.l #(CONFIG_SYS_SDRAM_CTRL + 4), %d0 + nop + move.l %d0, (%a2) + move.l %d0, (%a2) + nop + + move.l #(CONFIG_SYS_SDRAM_CTRL), %d0 + and.l #0x7FFFFFFF, %d0 + or.l #0x10000c00, %d0 + move.l %d0, (%a2) + nop + + /* + * DSPI Initialization + * a0 - general, sram - 0x80008000 - 32, see M52277EVB.h + * a1 - dspi status + * a2 - dtfr + * a3 - drfr + * a4 - Dst addr + */ + + /* Enable pins for DSPI mode - chip-selects are enabled later */ + move.l #0xFC0A4036, %a0 + move.b #0x3F, %d0 + move.b %d0, (%a0) + + /* DSPI CS */ +#ifdef CONFIG_SYS_DSPI_CS0 + move.b (%a0), %d0 + or.l #0xC0, %d0 + move.b %d0, (%a0) +#endif +#ifdef CONFIG_SYS_DSPI_CS2 + move.l #0xFC0A4037, %a0 + move.b (%a0), %d0 + or.l #0x10, %d0 + move.b %d0, (%a0) +#endif + nop + + /* Configure DSPI module */ + move.l #0xFC05C000, %a0 + move.l #0x80FF0C00, (%a0) /* Master, clear TX/RX FIFO */ + + move.l #0xFC05C00C, %a0 + move.l #0x3E000011, (%a0) + + move.l #0xFC05C034, %a2 /* dtfr */ + move.l #0xFC05C03B, %a3 /* drfr */ + + move.l #(ASM_SBF_IMG_HDR + 4), %a1 + move.l (%a1)+, %d5 + move.l (%a1), %a4 + + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_SBFHDR_DATA_OFFSET), %a0 + move.l #(CONFIG_SYS_SBFHDR_SIZE), %d4 + + move.l #0xFC05C02C, %a1 /* dspi status */ + + /* Issue commands and address */ + move.l #0x8004000B, %d2 /* Fast Read Cmd */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.l #0x80040000, %d2 /* Address byte 2 */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.l #0x80040000, %d2 /* Address byte 1 */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.l #0x80040000, %d2 /* Address byte 0 */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.l #0x80040000, %d2 /* Dummy Wr and Rd */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + /* Transfer serial boot header to sram */ +asm_dspi_rd_loop1: + move.l #0x80040000, %d2 + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.b %d1, (%a0) /* read, copy to dst */ + + add.l #1, %a0 /* inc dst by 1 */ + sub.l #1, %d4 /* dec cnt by 1 */ + bne asm_dspi_rd_loop1 + + /* Transfer u-boot from serial flash to memory */ +asm_dspi_rd_loop2: + move.l #0x80040000, %d2 + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.b %d1, (%a4) /* read, copy to dst */ + + add.l #1, %a4 /* inc dst by 1 */ + sub.l #1, %d5 /* dec cnt by 1 */ + bne asm_dspi_rd_loop2 + + move.l #0x00040000, %d2 /* Terminate */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + /* jump to memory and execute */ + move.l #(TEXT_BASE + 0x400), %a0 + move.l %a0, (%a1) + jmp (%a0) + +asm_dspi_wr_status: + move.l (%a1), %d0 /* status */ + and.l #0x0000F000, %d0 + cmp.l #0x00003000, %d0 + bgt asm_dspi_wr_status + + move.l %d2, (%a2) + rts + +asm_dspi_rd_status: + move.l (%a1), %d0 /* status */ + and.l #0x000000F0, %d0 + lsr.l #4, %d0 + cmp.l #0, %d0 + beq asm_dspi_rd_status + + move.b (%a3), %d1 + rts +#endif /* CONFIG_CF_SBF */ + + .text + . = 0x400 .globl _start _start: nop @@ -132,11 +366,16 @@ _start: move.w #0x2700,%sr /* Mask off Interrupt */

/* Set vector base register at the beginning of the Flash */ +#if defined(CONFIG_CF_SBF) + move.l #TEXT_BASE, %d0 + movec %d0, %VBR +#else move.l #CONFIG_SYS_FLASH_BASE, %d0 movec %d0, %VBR

move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 movec %d0, %RAMBAR1 +#endif

/* initialize general use internal ram */ move.l #0, %d0 diff --git a/include/asm-m68k/m5227x.h b/include/asm-m68k/m5227x.h index 61bc0ad..824d333 100644 --- a/include/asm-m68k/m5227x.h +++ b/include/asm-m68k/m5227x.h @@ -282,8 +282,8 @@

/* Bit definitions and macros for PAR_DSPI */ #define GPIO_PAR_DSPI_PCS0_MASK (0x3F) -#define GPIO_PAR_DSPI_PCS0_PCS0 (0x80) -#define GPIO_PAR_DSPI_PCS0_U2RTS (0x40) +#define GPIO_PAR_DSPI_PCS0_PCS0 (0xC0) +#define GPIO_PAR_DSPI_PCS0_U2RTS (0x80) #define GPIO_PAR_DSPI_PCS0_GPIO (0x00) #define GPIO_PAR_DSPI_SIN_MASK (0xCF) #define GPIO_PAR_DSPI_SIN_SIN (0x30) diff --git a/include/configs/M52277EVB.h b/include/configs/M52277EVB.h index b6226c6..5d5966f 100644 --- a/include/configs/M52277EVB.h +++ b/include/configs/M52277EVB.h @@ -40,7 +40,7 @@

#define CONFIG_MCFUART #define CONFIG_SYS_UART_PORT (0) -#define CONFIG_BAUDRATE 115200 +#define CONFIG_BAUDRATE 115200 #define CONFIG_SYS_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }

#undef CONFIG_WATCHDOG @@ -72,21 +72,50 @@ #define CONFIG_CMD_REGINFO #undef CONFIG_CMD_USB #undef CONFIG_CMD_BMP - -#define CONFIG_HOSTNAME M52277EVB +#define CONFIG_CMD_SPI +#define CONFIG_CMD_SF + +#define CONFIG_HOSTNAME M52277EVB +#define CONFIG_SYS_UBOOT_END 0x3FFFF +#define CONFIG_SYS_LOAD_ADDR2 0x40010007 +#ifdef CONFIG_SYS_STMICRO_BOOT +/* ST Micro serial flash */ #define CONFIG_EXTRA_ENV_SETTINGS \ "inpclk=" MK_STR(CONFIG_SYS_INPUT_CLKSRC) "\0" \ - "loadaddr=" MK_STR(CONFIG_SYS_LOAD_ADDR) "\0" \ - "u-boot=u-boot.bin\0" \ - "load=tftp ${loadaddr) ${u-boot}\0" \ + "loadaddr=0x40010000\0" \ + "uboot=u-boot.bin\0" \ + "load=loadb ${loadaddr} ${baudrate};" \ + "loadb " MK_STR(CONFIG_SYS_LOAD_ADDR2) " ${baudrate} \0" \ "upd=run load; run prog\0" \ - "prog=prot off 0 0x3ffff;" \ - "era 0 3ffff;" \ - "cp.b ${loadaddr} 0 ${filesize};" \ + "prog=sf probe 0:2 10000 1;" \ + "sf erase 0 30000;" \ + "sf write ${loadaddr} 0 30000;" \ "save\0" \ "" +#endif +#ifdef CONFIG_SYS_SPANSION_BOOT +#define CONFIG_EXTRA_ENV_SETTINGS \ + "inpclk=" MK_STR(CONFIG_SYS_INPUT_CLKSRC) "\0" \ + "loadaddr=0x40010000\0" \ + "uboot=u-boot.bin\0" \ + "load=loadb ${loadaddr} ${baudrate}\0" \ + "upd=run load; run prog\0" \ + "prog=prot off " MK_STR(CONFIG_SYS_FLASH_BASE) \ + " " MK_STR(CONFIG_SYS_UBOOT_END) ";" \ + "era " MK_STR(CONFIG_SYS_FLASH_BASE) " " \ + MK_STR(CONFIG_SYS_UBOOT_END) ";" \ + "cp.b ${loadaddr} " MK_STR(CONFIG_SYS_FLASH_BASE) \ + " ${filesize}; save\0" \ + "updsbf=run loadsbf; run progsbf\0" \ + "loadsbf=loadb ${loadaddr} ${baudrate};" \ + "loadb " MK_STR(CONFIG_SYS_LOAD_ADDR2) " ${baudrate} \0" \ + "progsbf=sf probe 0:2 10000 1;" \ + "sf erase 0 30000;" \ + "sf write ${loadaddr} 0 30000;" \ + "" +#endif

-#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */ +#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */ /* LCD */ #ifdef CONFIG_CMD_BMP #define CONFIG_LCD @@ -102,7 +131,7 @@ #define CONFIG_DOS_PARTITION #define CONFIG_MAC_PARTITION #define CONFIG_ISO_PARTITION -#define CONFIG_SYS_USB_EHCI_REGS_BASE 0xFC0B0000 +#define CONFIG_SYS_USB_EHCI_REGS_BASE 0xFC0B0000 #define CONFIG_SYS_USB_EHCI_CPU_INIT #endif

@@ -122,30 +151,53 @@ #define CONFIG_SYS_I2C_SPEED 80000 /* I2C speed and slave address */ #define CONFIG_SYS_I2C_SLAVE 0x7F #define CONFIG_SYS_I2C_OFFSET 0x58000 -#define CONFIG_SYS_IMMR CONFIG_SYS_MBAR +#define CONFIG_SYS_IMMR CONFIG_SYS_MBAR + +/* DSPI and Serial Flash */ +#define CONFIG_CF_DSPI +#define CONFIG_HARD_SPI +#define CONFIG_SYS_SER_FLASH_BASE 0x01000000 +#define CONFIG_SYS_SBFHDR_SIZE 0x7 +#ifdef CONFIG_CMD_SPI +# define CONFIG_SYS_DSPI_CS2 +# define CONFIG_SPI_FLASH +# define CONFIG_SPI_FLASH_STMICRO + +# define CONFIG_SYS_DSPI_DCTAR0 (DSPI_DCTAR_TRSZ(7) | \ + DSPI_DCTAR_CPOL | \ + DSPI_DCTAR_CPHA | \ + DSPI_DCTAR_PCSSCK_1CLK | \ + DSPI_DCTAR_PASC(0) | \ + DSPI_DCTAR_PDT(0) | \ + DSPI_DCTAR_CSSCK(0) | \ + DSPI_DCTAR_ASC(0) | \ + DSPI_DCTAR_PBR(0) | \ + DSPI_DCTAR_DT(1) | \ + DSPI_DCTAR_BR(1)) +#endif

/* Input, PCI, Flexbus, and VCO */ #define CONFIG_EXTRA_CLOCK

#define CONFIG_SYS_INPUT_CLKSRC 16000000

-#define CONFIG_PRAM 512 /* 512 KB */ +#define CONFIG_PRAM 2048 /* 2048 KB */

-#define CONFIG_SYS_PROMPT "-> " +#define CONFIG_SYS_PROMPT "-> " #define CONFIG_SYS_LONGHELP /* undef to save memory */

#if defined(CONFIG_CMD_KGDB) -#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ #else -#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ #endif -#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ -#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ -#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */

-#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x10000) +#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x10000)

-#define CONFIG_SYS_HZ 1000 +#define CONFIG_SYS_HZ 1000

#define CONFIG_SYS_MBAR 0xFC000000

@@ -155,17 +207,18 @@ * You should know what you are doing if you make changes here. */

-/*----------------------------------------------------------------------- +/* * Definitions for initial stack pointer and data area (in DPRAM) */ #define CONFIG_SYS_INIT_RAM_ADDR 0x80000000 -#define CONFIG_SYS_INIT_RAM_END 0x8000 /* End of used area in internal SRAM */ -#define CONFIG_SYS_INIT_RAM_CTRL 0x21 +#define CONFIG_SYS_INIT_RAM_END 0x8000 /* End of used area in internal SRAM */ +#define CONFIG_SYS_INIT_RAM_CTRL 0x221 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ -#define CONFIG_SYS_GBL_DATA_OFFSET ((CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) - 16) -#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET +#define CONFIG_SYS_GBL_DATA_OFFSET ((CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) - 32) +#define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - 32) +#define CONFIG_SYS_SBFHDR_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - 32)

-/*----------------------------------------------------------------------- +/* * Start addresses for the final memory configuration * (Set up by the startup code) * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 @@ -177,11 +230,16 @@ #define CONFIG_SYS_SDRAM_CTRL 0xE1092000 #define CONFIG_SYS_SDRAM_EMOD 0x81810000 #define CONFIG_SYS_SDRAM_MODE 0x00CD0000 +#define CONFIG_SYS_SDRAM_DRV_STRENGTH 0x00

#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE + 0x400 #define CONFIG_SYS_MEMTEST_END ((CONFIG_SYS_SDRAM_SIZE - 3) << 20)

-#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400) +#ifdef CONFIG_CF_SBF +# define CONFIG_SYS_MONITOR_BASE (TEXT_BASE + 0x400) +#else +# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400) +#endif #define CONFIG_SYS_BOOTPARAMS_LEN 64*1024 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ @@ -189,24 +247,40 @@ /* Initial Memory map for Linux */ #define CONFIG_SYS_BOOTMAPSZ (CONFIG_SYS_SDRAM_BASE + (CONFIG_SYS_SDRAM_SIZE << 20))

-/* Configuration for environment +/* + * Configuration for environment * Environment is embedded in u-boot in the second sector of the flash */ -#define CONFIG_ENV_IS_IN_FLASH 1 -#define CONFIG_ENV_OVERWRITE 1 +#ifdef CONFIG_CF_SBF +# define CONFIG_ENV_IS_IN_SPI_FLASH +# define CONFIG_ENV_SPI_CS 2 +#else +# define CONFIG_ENV_IS_IN_FLASH 1 +#endif +#define CONFIG_ENV_OVERWRITE 1 #undef CONFIG_ENV_IS_EMBEDDED

/*----------------------------------------------------------------------- * FLASH organization */ -#define CONFIG_SYS_FLASH_BASE CONFIG_SYS_CS0_BASE -#define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_CS0_BASE -#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x8000) -#define CONFIG_ENV_SECT_SIZE 0x8000 +#ifdef CONFIG_SYS_STMICRO_BOOT +# define CONFIG_SYS_FLASH_BASE CONFIG_SYS_SER_FLASH_BASE +# define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_SER_FLASH_BASE +# define CONFIG_SYS_FLASH1_BASE CONFIG_SYS_CS0_BASE +# define CONFIG_ENV_OFFSET 0x30000 +# define CONFIG_ENV_SIZE 0x1000 +# define CONFIG_ENV_SECT_SIZE 0x10000 +#endif +#ifdef CONFIG_SYS_SPANSION_BOOT +# define CONFIG_SYS_FLASH_BASE CONFIG_SYS_CS0_BASE +# define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_CS0_BASE +# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x8000) +# define CONFIG_ENV_SIZE 0x1000 +# define CONFIG_ENV_SECT_SIZE 0x8000 +#endif

#define CONFIG_SYS_FLASH_CFI #ifdef CONFIG_SYS_FLASH_CFI - # define CONFIG_FLASH_CFI_DRIVER 1 # define CONFIG_SYS_FLASH_SIZE 0x1000000 /* Max size that the board might have */ # define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT @@ -214,6 +288,7 @@ # define CONFIG_SYS_MAX_FLASH_SECT 137 /* max number of sectors on one chip */ # define CONFIG_SYS_FLASH_PROTECTION /* "Real" (hardware) sectors protection */ # define CONFIG_SYS_FLASH_CHECKSUM +# define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_CS0_BASE } #endif

/* @@ -229,7 +304,7 @@ /*----------------------------------------------------------------------- * Cache Configuration */ -#define CONFIG_SYS_CACHELINE_SIZE 16 +#define CONFIG_SYS_CACHELINE_SIZE 16

/*----------------------------------------------------------------------- * Memory bank definitions @@ -243,8 +318,14 @@ * CS5 - Available */

+#ifdef CONFIG_CF_SBF +#define CONFIG_SYS_CS0_BASE 0x04000000 +#define CONFIG_SYS_CS0_MASK 0x00FF0001 +#define CONFIG_SYS_CS0_CTRL 0x00001FA0 +#else #define CONFIG_SYS_CS0_BASE 0x00000000 #define CONFIG_SYS_CS0_MASK 0x00FF0001 #define CONFIG_SYS_CS0_CTRL 0x00001FA0 +#endif

#endif /* _M52277EVB_H */