diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rwxr-xr-x | MAKEALL | 1 | ||||
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | README | 1 | ||||
| -rw-r--r-- | board/freescale/m52277evb/Makefile | 44 | ||||
| -rw-r--r-- | board/freescale/m52277evb/config.mk | 25 | ||||
| -rw-r--r-- | board/freescale/m52277evb/m52277evb.c | 86 | ||||
| -rw-r--r-- | board/freescale/m52277evb/u-boot.lds | 145 | ||||
| -rw-r--r-- | doc/README.m52277evb | 237 | ||||
| -rw-r--r-- | include/asm-m68k/global_data.h | 3 | ||||
| -rw-r--r-- | include/asm-m68k/immap.h | 34 | ||||
| -rw-r--r-- | include/configs/M52277EVB.h | 251 | ||||
| -rw-r--r-- | lib_m68k/board.c | 10 |
13 files changed, 841 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 6b4bfe70de9..3d35b3e1df9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -647,6 +647,7 @@ Zachary P. Landau <zachary.landau@labxtechnologies.com> TsiChung Liew <Tsi-Chung.Liew@freescale.com> + M52277EVB mcf5227x M5235EVB mcf52x2 M5329EVB mcf532x M5373EVB mcf532x @@ -643,6 +643,7 @@ LIST_coldfire=" \ EB+MCF-EV123 \ EB+MCF-EV123_internal \ idmr \ + M52277EVB \ M5235EVB \ M5249EVB \ M5253EVB \ @@ -1739,6 +1739,9 @@ ZPC1900_config: unconfig ## Coldfire ######################################################################### +M52277EVB_config: unconfig + @$(MKCONFIG) -a M52277EVB m68k mcf5227x m52277evb freescale + M5235EVB_config \ M5235EVB_Flash16_config \ M5235EVB_Flash32_config: unconfig @@ -136,6 +136,7 @@ Directory Hierarchy: - i386 Files specific to i386 CPUs - ixp Files specific to Intel XScale IXP CPUs - mcf52x2 Files specific to Freescale ColdFire MCF52x2 CPUs + - mcf5227x Files specific to Freescale ColdFire MCF5227x CPUs - mcf532x Files specific to Freescale ColdFire MCF5329 CPUs - mcf5445x Files specific to Freescale ColdFire MCF5445x CPUs - mips Files specific to MIPS CPUs diff --git a/board/freescale/m52277evb/Makefile b/board/freescale/m52277evb/Makefile new file mode 100644 index 00000000000..981763d205c --- /dev/null +++ b/board/freescale/m52277evb/Makefile @@ -0,0 +1,44 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/m52277evb/config.mk b/board/freescale/m52277evb/config.mk new file mode 100644 index 00000000000..ce014edca8f --- /dev/null +++ b/board/freescale/m52277evb/config.mk @@ -0,0 +1,25 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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 +# + +TEXT_BASE = 0 diff --git a/board/freescale/m52277evb/m52277evb.c b/board/freescale/m52277evb/m52277evb.c new file mode 100644 index 00000000000..98424c898bd --- /dev/null +++ b/board/freescale/m52277evb/m52277evb.c @@ -0,0 +1,86 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007 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 <asm/immap.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + puts("Board: "); + puts("Freescale M52277 EVB\n"); + return 0; +}; + +long int initdram(int board_type) +{ + volatile sdramc_t *sdram = (volatile sdramc_t *)(MMAP_SDRAM); + u32 dramsize, i; + + dramsize = CFG_SDRAM_SIZE * 0x100000; + + for (i = 0x13; i < 0x20; i++) { + if (dramsize == (1 << i)) + break; + } + i--; + + sdram->sdcs0 = (CFG_SDRAM_BASE | i); + + sdram->sdcfg1 = CFG_SDRAM_CFG1; + sdram->sdcfg2 = CFG_SDRAM_CFG2; + + /* Issue PALL */ + sdram->sdcr = CFG_SDRAM_CTRL | 2; + + /* Issue LEMR */ + /*sdram->sdmr = CFG_SDRAM_EMOD; */ + sdram->sdmr = CFG_SDRAM_MODE; + + udelay(1000); + + /* Issue PALL */ + sdram->sdcr = CFG_SDRAM_CTRL | 2; + + /* Perform two refresh cycles */ + sdram->sdcr = CFG_SDRAM_CTRL | 4; + sdram->sdcr = CFG_SDRAM_CTRL | 4; + + sdram->sdcr = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000c00; + + udelay(100); + + return (dramsize); +}; + +int testdram(void) +{ + /* TODO: XXX XXX XXX */ + printf("DRAM test not implemented!\n"); + + return (0); +} diff --git a/board/freescale/m52277evb/u-boot.lds b/board/freescale/m52277evb/u-boot.lds new file mode 100644 index 00000000000..9125bfc84f5 --- /dev/null +++ b/board/freescale/m52277evb/u-boot.lds @@ -0,0 +1,145 @@ +/* + * (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) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); +/* 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/environment.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/doc/README.m52277evb b/doc/README.m52277evb new file mode 100644 index 00000000000..de1dabadedc --- /dev/null +++ b/doc/README.m52277evb @@ -0,0 +1,237 @@ +Freescale MCF52277EVB ColdFire Development Board +================================================ + +TsiChung Liew(Tsi-Chung.Liew@freescale.com) +Created Jan 8, 2008 +=========================================== + + +Changed files: +============== + +- board/freescale/m52277evb/m52277evb.c Dram setup +- board/freescale/m52277evb/Makefile Makefile +- board/freescale/m52277evb/config.mk config make +- board/freescale/m52277evb/u-boot.lds Linker description + +- cpu/mcf5227x/cpu.c cpu specific code +- cpu/mcf5227x/cpu_init.c FBCS, Mux pins, icache and RTC extra regs +- cpu/mcf5227x/interrupts.c cpu specific interrupt support +- cpu/mcf5227x/speed.c system, flexbus, and cpu clock +- cpu/mcf5227x/Makefile Makefile +- cpu/mcf5227x/config.mk config make +- cpu/mcf5227x/start.S start up assembly code + +- doc/README.m52277evb This readme file + +- drivers/serial/mcfuart.c ColdFire common UART driver +- drivers/rtc/mcfrtc.c Realtime clock Driver + +- include/asm-m68k/bitops.h Bit operation function export +- include/asm-m68k/byteorder.h Byte order functions +- include/asm-m68k/crossbar.h CrossBar structure and definition +- include/asm-m68k/dspi.h DSPI structure and definition +- include/asm-m68k/edma.h eDMA structure and definition +- include/asm-m68k/flexbus.h FlexBus structure and definition +- include/asm-m68k/fsl_i2c.h I2C structure and definition +- include/asm-m68k/global_data.h Global data structure +- include/asm-m68k/immap.h ColdFire specific header file and driver macros +- include/asm-m68k/immap_5227x.h mcf5227x specific header file +- include/asm-m68k/io.h io functions +- include/asm-m68k/lcd.h LCD structure and definition +- include/asm-m68k/m5227x.h mcf5227x specific header file +- include/asm-m68k/posix_types.h Posix +- include/asm-m68k/processor.h header file +- include/asm-m68k/ptrace.h Exception structure +- include/asm-m68k/rtc.h Realtime clock header file +- include/asm-m68k/ssi.h SSI structure and definition +- include/asm-m68k/string.h String function export +- include/asm-m68k/timer.h Timer structure and definition +- include/asm-m68k/types.h Data types definition +- include/asm-m68k/uart.h Uart structure and definition +- include/asm-m68k/u-boot.h u-boot structure + +- include/configs/M52277EVB.h Board specific configuration file + +- lib_m68k/board.c board init function +- lib_m68k/cache.c +- lib_m68k/interrupts Coldfire common interrupt functions +- lib_m68k/m68k_linux.c +- lib_m68k/time.c Timer functions (Dma timer and PIT) +- lib_m68k/traps.c Exception init code + +1 MCF52277 specific Options/Settings +==================================== +1.1 pre-loader is no longer suppoer in this coldfire family + +1.2 Configuration settings for M52277EVB Development Board +CONFIG_MCF5227x -- define for all MCF5227x CPUs +CONFIG_M52277 -- define for all Freescale MCF52277 CPUs +CONFIG_M52277EVB -- define for M52277EVB board + +CONFIG_MCFUART -- define to use common CF Uart driver +CFG_UART_PORT -- define UART port number, start with 0, 1 and 2 +CONFIG_BAUDRATE -- define UART baudrate + +CONFIG_MCFRTC -- define to use common CF RTC driver +CFG_MCFRTC_BASE -- provide base address for RTC in immap.h +CFG_RTC_OSCILLATOR -- define RTC clock frequency +RTC_DEBUG -- define to show RTC debug message +CONFIG_CMD_DATE -- enable to use date feature in u-boot + +CONFIG_MCFTMR -- define to use DMA timer +CONFIG_MCFPIT -- define to use PIT timer + +CONFIG_FSL_I2C -- define to use FSL common I2C driver +CONFIG_HARD_I2C -- define for I2C hardware support +CONFIG_SOFT_I2C -- define for I2C bit-banged +CFG_I2C_SPEED -- define for I2C speed +CFG_I2C_SLAVE -- define for I2C slave address +CFG_I2C_OFFSET -- define for I2C base address offset +CFG_IMMR -- define for MBAR offset + +CFG_MBAR -- define MBAR offset + +CONFIG_MONITOR_IS_IN_RAM -- Not support + +CFG_INIT_RAM_ADDR -- defines the base address of the MCF52277 internal SRAM + +CFG_CSn_BASE -- defines the Chip Select Base register +CFG_CSn_MASK -- defines the Chip Select Mask register +CFG_CSn_CTRL -- defines the Chip Select Control register + +CFG_SDRAM_BASE -- defines the DRAM Base + +CONFIG_LCD and CONFIG_CMD_USB are not supported in this current u-boot, +update will be provided at later time + +2. MEMORY MAP UNDER U-BOOT AND LINUX KERNEL +=========================================== +2.1. System memory map: + Flash: 0x00000000-0x3FFFFFFF (1024MB) + DDR: 0x40000000-0x7FFFFFFF (1024MB) + SRAM: 0x80000000-0x8FFFFFFF (256MB) + IP: 0xF0000000-0xFFFFFFFF (256MB) + +2.2. For the initial bringup, we adopted a consistent memory scheme between u-boot and + linux kernel, you can customize it based on your system requirements: + Flash0: 0x00000000-0x00FFFFFF (16MB) + + DDR: 0x40000000-0x4FFFFFFF (64MB) + SRAM: 0x80000000-0x80007FFF (32KB) + IP: 0xFC000000-0xFC0FFFFF (64KB) + +3. COMPILATION +============== +3.1 To create U-Boot the gcc-4.1-xx compiler set (ColdFire ELF or +uClinux version) from codesourcery.com was used. Download it from: +http://www.codesourcery.com/gnu_toolchains/coldfire/download.html + +3.2 Compilation + export CROSS_COMPILE=cross-compile-prefix + cd u-boot-1.x.x + make distclean + make M52277EVB_config + make + +4. SCREEN DUMP +============== +4.1 M52277EVB Development board + (NOTE: May not show exactly the same) + +U-Boot 1.3.1 (Jan 8 2008 - 12:44:08) + +CPU: Freescale MCF52277 (Mask:6c Version:0) + CPU CLK 160 Mhz BUS CLK 80 Mhz FLB CLK 80 MHZ + INP CLK 16 Mhz VCO CLK 480 Mhz +Board: Freescale 52277 EVB +I2C: ready +DRAM: 64 MB +FLASH: 16 MB +In: serial +Out: serial +Err: serial +-> print +baudrate=115200 +hostname=M52277EVB +inpclk=16000000 +loadaddr=(0x40000000 + 0x10000) +load=tftp ${loadaddr) ${u-boot} +upd=run load; run prog +prog=prot off 0 3ffff;era 0 3ffff;cp.b ${loadaddr} 0 ${filesize};save +u-boot=u-boot.bin +stdin=serial +stdout=serial +stderr=serial +mem=65024k + +Environment size: 280/32764 bytes +-> bdinfo +memstart = 0x40000000 +memsize = 0x04000000 +flashstart = 0x00000000 +flashsize = 0x01000000 +flashoffset = 0x00000000 +sramstart = 0x80000000 +sramsize = 0x00008000 +mbar = 0xFC000000 +busfreq = 80 MHz +flbfreq = 80 Mhz +inpfreq = 16 Mhz +vcofreq = 480 Mhz + +baudrate = 115200 bps +-> +-> help +? - alias for 'help' +autoscr - run script from memory +base - print or set address offset +bdinfo - print Board Info structure +boot - boot default, i.e., run 'bootcmd' +bootd - boot default, i.e., run 'bootcmd' +bootelf - Boot from an ELF image in memory +bootm - boot application image from memory +bootp - boot image via network using BootP/TFTP protocol +bootvx - Boot vxWorks from an ELF image +cmp - memory compare +coninfo - print console devices and information +cp - memory copy +crc32 - checksum calculation +date - get/set/reset date & time +dcache - enable or disable data cache +echo - echo args to console +erase - erase FLASH memory +flinfo - print FLASH memory information +go - start application at address 'addr' +help - print online help +icache - enable or disable instruction cache +icrc32 - checksum calculation +iloop - infinite loop on address range +imd - i2c memory display +iminfo - print header information for application image +imls - list all images found in flash +imm - i2c memory modify (auto-incrementing) +imw - memory write (fill) +inm - memory modify (constant address) +iprobe - probe to discover valid I2C chip addresses +itest - return true/false on integer compare +loadb - load binary file over serial line (kermit mode) +loads - load S-Record file over serial line +loady - load binary file over serial line (ymodem mode) +loop - infinite loop on address range +ls - list files in a directory (default /) +md - memory display +mm - memory modify (auto-incrementing) +mtest - simple RAM test +mw - memory write (fill) +nm - memory modify (constant address) +ping - send ICMP ECHO_REQUEST to network host +printenv- print environment variables +protect - enable or disable FLASH write protection +reset - Perform RESET of the CPU +run - run commands in an environment variable +saveenv - save environment variables to persistent storage +setenv - set environment variables +sleep - delay execution for some time +version - print monitor version +-> diff --git a/include/asm-m68k/global_data.h b/include/asm-m68k/global_data.h index 9d9894b1a2e..1e26eb037ee 100644 --- a/include/asm-m68k/global_data.h +++ b/include/asm-m68k/global_data.h @@ -53,6 +53,9 @@ typedef struct global_data { unsigned long env_addr; /* Address of Environment struct */ unsigned long env_valid; /* Checksum of Environment valid? */ unsigned long have_console; /* serial_init() was called */ +#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) + unsigned long fb_base; /* Base addr of framebuffer memory */ +#endif #ifdef CONFIG_BOARD_TYPES unsigned long board_type; #endif diff --git a/include/asm-m68k/immap.h b/include/asm-m68k/immap.h index 852d94158d2..9dd970772a3 100644 --- a/include/asm-m68k/immap.h +++ b/include/asm-m68k/immap.h @@ -26,6 +26,40 @@ #ifndef __IMMAP_H #define __IMMAP_H +#ifdef CONFIG_M52277 +#include <asm/immap_5227x.h> +#include <asm/m5227x.h> + +#define CFG_UART_BASE (MMAP_UART0 + (CFG_UART_PORT * 0x4000)) + +#define CFG_MCFRTC_BASE (MMAP_RTC) + +#ifdef CONFIG_LCD +#define CFG_LCD_BASE (MMAP_LCD) +#endif + +/* Timer */ +#ifdef CONFIG_MCFTMR +#define CFG_UDELAY_BASE (MMAP_DTMR0) +#define CFG_TMR_BASE (MMAP_DTMR1) +#define CFG_TMRPND_REG (((volatile int0_t *)(CFG_INTR_BASE))->iprh0) +#define CFG_TMRINTR_NO (INT0_HI_DTMR1) +#define CFG_TMRINTR_MASK (INTC_IPRH_INT33) +#define CFG_TMRINTR_PEND (CFG_TMRINTR_MASK) +#define CFG_TMRINTR_PRI (6) +#define CFG_TIMER_PRESCALER (((gd->bus_clk / 1000000) - 1) << 8) +#endif + +#ifdef CONFIG_MCFPIT +#define CFG_UDELAY_BASE (MMAP_PIT0) +#define CFG_PIT_BASE (MMAP_PIT1) +#define CFG_PIT_PRESCALE (6) +#endif + +#define CFG_INTR_BASE (MMAP_INTC0) +#define CFG_NUM_IRQS (128) +#endif /* CONFIG_M52277 */ + #ifdef CONFIG_M5235 #include <asm/immap_5235.h> #include <asm/m5235.h> diff --git a/include/configs/M52277EVB.h b/include/configs/M52277EVB.h new file mode 100644 index 00000000000..ab574d589b6 --- /dev/null +++ b/include/configs/M52277EVB.h @@ -0,0 +1,251 @@ +/* + * Configuation settings for the Freescale MCF52277 EVB board. + * + * Copyright (C) 2004-2007 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 + */ + +/* + * board/config.h - configuration options, board specific + */ + +#ifndef _M52277EVB_H +#define _M52277EVB_H + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_MCF5227x /* define processor family */ +#define CONFIG_M52277 /* define processor type */ +#define CONFIG_M52277EVB /* M52277EVB board */ + +#undef DEBUG + +#define CONFIG_MCFUART +#define CFG_UART_PORT (0) +#define CONFIG_BAUDRATE 115200 +#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 } + +#undef CONFIG_WATCHDOG + +#define CONFIG_TIMESTAMP /* Print image info with timestamp */ + +/* + * BOOTP options + */ +#define CONFIG_BOOTP_BOOTFILESIZE +#define CONFIG_BOOTP_BOOTPATH +#define CONFIG_BOOTP_GATEWAY +#define CONFIG_BOOTP_HOSTNAME + +/* Command line configuration */ +#include <config_cmd_default.h> + +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_DATE +#define CONFIG_CMD_ELF +#define CONFIG_CMD_FLASH +#define CONFIG_CMD_I2C +#define CONFIG_CMD_JFFS2 +#define CONFIG_CMD_LOADB +#define CONFIG_CMD_LOADS +#define CONFIG_CMD_MEMORY +#define CONFIG_CMD_MISC +#undef CONFIG_CMD_NET +#define CONFIG_CMD_REGINFO +#undef CONFIG_CMD_USB +#undef CONFIG_CMD_BMP + +#define CONFIG_HOSTNAME M52277EVB +#define CONFIG_EXTRA_ENV_SETTINGS \ + "inpclk=" MK_STR(CFG_INPUT_CLKSRC) "\0" \ + "loadaddr=" MK_STR(CFG_LOAD_ADDR) "\0" \ + "u-boot=u-boot.bin\0" \ + "load=tftp ${loadaddr) ${u-boot}\0" \ + "upd=run load; run prog\0" \ + "prog=prot off 0 0x3ffff;" \ + "era 0 3ffff;" \ + "cp.b ${loadaddr} 0 ${filesize};" \ + "save\0" \ + "" + +/* LCD */ +#ifdef CONFIG_CMD_BMP +#define CONFIG_LCD +#define CONFIG_SPLASH_SCREEN +#define CONFIG_LCD_LOGO +#define CONFIG_SHARP_LQ035Q7DH06 +#endif + +/* USB */ +#ifdef CONFIG_CMD_USB +#define CONFIG_USB_EHCI +#define CONFIG_USB_STORAGE +#define CONFIG_DOS_PARTITION +#define CONFIG_MAC_PARTITION +#define CONFIG_ISO_PARTITION +#define CFG_USB_EHCI_REGS_BASE 0xFC0B0000 +#define CFG_USB_EHCI_CPU_INIT +#endif + +/* Realtime clock */ +#define CONFIG_MCFRTC +#undef RTC_DEBUG +#define CFG_RTC_OSCILLATOR (32 * CFG_HZ) + +/* Timer */ +#define CONFIG_MCFTMR +#undef CONFIG_MCFPIT + +/* I2c */ +#define CONFIG_FSL_I2C +#define CONFIG_HARD_I2C /* I2C with hardware support */ +#undef CONFIG_SOFT_I2C /* I2C bit-banged */ +#define CFG_I2C_SPEED 80000 /* I2C speed and slave address */ +#define CFG_I2C_SLAVE 0x7F +#define CFG_I2C_OFFSET 0x58000 +#define CFG_IMMR CFG_MBAR + +/* Input, PCI, Flexbus, and VCO */ +#define CONFIG_EXTRA_CLOCK + +#define CFG_INPUT_CLKSRC 16000000 + +#define CONFIG_PRAM 512 /* 512 KB */ + +#define CFG_PROMPT "-> " +#define CFG_LONGHELP /* undef to save memory */ + +#if defined(CONFIG_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_LOAD_ADDR (CFG_SDRAM_BASE + 0x10000) + +#define CFG_HZ 1000 + +#define CFG_MBAR 0xFC000000 + +/* + * Low Level Configuration Settings + * (address mappings, register initial values, etc.) + * You should know what you are doing if you make changes here. + */ + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area (in DPRAM) + */ +#define CFG_INIT_RAM_ADDR 0x80000000 +#define CFG_INIT_RAM_END 0x8000 /* End of used area in internal SRAM */ +#define CFG_INIT_RAM_CTRL 0x21 +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET ((CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) - 16) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE 0x40000000 +#define CFG_SDRAM_SIZE 64 /* SDRAM size in MB */ +#define CFG_SDRAM_CFG1 0x43711630 +#define CFG_SDRAM_CFG2 0x56670000 +#define CFG_SDRAM_CTRL 0xE1092000 +#define CFG_SDRAM_EMOD 0x81810000 +#define CFG_SDRAM_MODE 0x00CD0000 + +#define CFG_MEMTEST_START CFG_SDRAM_BASE + 0x400 +#define CFG_MEMTEST_END ((CFG_SDRAM_SIZE - 3) << 20) + +#define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400) +#define CFG_BOOTPARAMS_LEN 64*1024 +#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ +#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ + +/* Initial Memory map for Linux */ +#define CFG_BOOTMAPSZ (CFG_SDRAM_BASE + (CFG_SDRAM_SIZE << 20)) + +/* Configuration for environment + * Environment is embedded in u-boot in the second sector of the flash + */ +#define CFG_ENV_IS_IN_FLASH 1 +#define CONFIG_ENV_OVERWRITE 1 +#undef CFG_ENV_IS_EMBEDDED + +/*----------------------------------------------------------------------- + * FLASH organization + */ +#define CFG_FLASH_BASE CFG_CS0_BASE +#define CFG_FLASH0_BASE CFG_CS0_BASE +#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x8000) +#define CFG_ENV_SECT_SIZE 0x8000 + +#define CFG_FLASH_CFI +#ifdef CFG_FLASH_CFI + +# define CFG_FLASH_CFI_DRIVER 1 +# define CFG_FLASH_SIZE 0x1000000 /* Max size that the board might have */ +# define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT +# define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +# define CFG_MAX_FLASH_SECT 137 /* max number of sectors on one chip */ +# define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */ +# define CFG_FLASH_CHECKSUM +#endif + +/* + * This is setting for JFFS2 support in u-boot. + * NOTE: Enable CONFIG_CMD_JFFS2 for JFFS2 support. + */ +#ifdef CONFIG_CMD_JFFS2 +# define CONFIG_JFFS2_DEV "nor0" +# define CONFIG_JFFS2_PART_SIZE (0x01000000 - 0x40000) +# define CONFIG_JFFS2_PART_OFFSET (CFG_FLASH0_BASE + 0x40000) +#endif + +/*----------------------------------------------------------------------- + * Cache Configuration + */ +#define CFG_CACHELINE_SIZE 16 + +/*----------------------------------------------------------------------- + * Memory bank definitions + */ +/* + * CS0 - NOR Flash + * CS1 - Available + * CS2 - Available + * CS3 - Available + * CS4 - Available + * CS5 - Available + */ + +#define CFG_CS0_BASE 0x00000000 +#define CFG_CS0_MASK 0x00FF0001 +#define CFG_CS0_CTRL 0x00001FA0 + +#endif /* _M52277EVB_H */ diff --git a/lib_m68k/board.c b/lib_m68k/board.c index 43f97c404da..915920641db 100644 --- a/lib_m68k/board.c +++ b/lib_m68k/board.c @@ -313,6 +313,16 @@ board_init_f (ulong bootflag) debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr); #endif /* CONFIG_PRAM */ + /* round down to next 4 kB limit */ + addr &= ~(4096 - 1); + debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); + +#ifdef CONFIG_LCD + /* reserve memory for LCD display (always full pages) */ + addr = lcd_setmem (addr); + gd->fb_base = addr; +#endif /* CONFIG_LCD */ + /* * reserve memory for U-Boot code, data & bss * round down to next 4 kB limit |