On 09/08/2011 10:42 PM, Marek Vasut wrote: > This contains support for booting the board and output via DUART. > > Signed-off-by: Marek Vasut <marek.va...@gmail.com> > Cc: Stefano Babic <sba...@denx.de> > Cc: Wolfgang Denk <w...@denx.de> > Cc: Detlev Zundel <d...@denx.de> > --- > diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c > new file mode 100644 > index 0000000..5f4f787 > --- /dev/null > +++ b/board/denx/m28evk/m28evk.c > @@ -0,0 +1,69 @@ > +/* > + * DENX M28 module > + * > + * Copyright (C) 2011 Marek Vasut <marek.va...@gmail.com> > + * on behalf of DENX Software Engineering GmbH > + * > + * 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/io.h> > +#include <asm/arch/regs-common.h> > +#include <asm/arch/regs-base.h> > +#include <asm/arch/regs-clkctrl.h> > +#include <asm/arch/clock.h> > +#include <asm/arch/mx28.h> > + > +DECLARE_GLOBAL_DATA_PTR; > + > +/* > + * Functions > + */ > +int board_early_init_f(void) > +{ > + /* IO0 clock at 480MHz */ > + mx28_set_ioclk(0, 480000);
See comment in previous patch: first argument is only GATE0 or GATE1, add enum. > +int board_init(void) > +{ > + /* Will change it for MX28 EVK later */ > + gd->bd->bi_arch_number = CONFIG_M28_MACHID; We have recently a new standard here, and the MACH ID is set into the config file. > diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h > new file mode 100644 > index 0000000..4f41e26 > --- /dev/null > +++ b/include/configs/m28evk.h > @@ -0,0 +1,108 @@ > +/* > + * Copyright (C) 2011 Marek Vasut <marek.va...@gmail.com> > + * on behalf of DENX Software Engineering GmbH > + * > + * 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 __M28_H__ > +#define __M28_H__ > + > +#include <asm/arch/regs-base.h> > + > +/* > + * SoC configurations > + */ > +#define CONFIG_MX28 /* i.MX28 SoC */ > +#define CONFIG_MX28_TO1_2 > +#define CONFIG_SYS_HZ 1000 /* Ticks per second */ > + > +#define CONFIG_M28_MACHID MACH_TYPE_M28EVK > + > +#define CONFIG_SYS_NO_FLASH > +#define CONFIG_SYS_ICACHE_OFF > +#define CONFIG_SYS_DCACHE_OFF > +#define CONFIG_BOARD_EARLY_INIT_F > + > +/* > + * U-Boot Commands > + */ > +#include <config_cmd_default.h> > +#define CONFIG_DISPLAY_CPUINFO > +#define CONFIG_CMD_CACHE > +#undef CONFIG_CMD_DHCP > +#undef CONFIG_CMD_NET > +#undef CONFIG_CMD_NFS > +#undef CONFIG_CMD_PING > +#define CONFIG_CMD_SETEXPR > + > +/* > + * Memory configurations > + */ > +#define CONFIG_NR_DRAM_BANKS 1 /* 2 banks of > DRAM */ > +#define PHYS_SDRAM_1 0x40000000 /* Base address > */ > +#define PHYS_SDRAM_1_SIZE 0x10000000 /* 256 MB */ > +#define CONFIG_STACKSIZE 0x00010000 /* 128 KB stack > */ > +#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for > malloc */ > +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data > */ > +#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest > start adr */ > +#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM > test */ > +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 > +#define CONFIG_SYS_INIT_SP_ADDR 0x18000 > +#define CONFIG_SYS_TEXT_BASE 0x40000000 > + > +/* > + * U-Boot general configurations > + */ > +#define CONFIG_SYS_LONGHELP > +#define CONFIG_SYS_PROMPT "=> " > +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer > size */ > +#define CONFIG_SYS_PBSIZE \ > + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) > + /* Print buffer size */ > +#define CONFIG_SYS_MAXARGS 32 /* Max number of > command args */ > +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE > + /* Boot argument buffer size */ > +#define CONFIG_VERSION_VARIABLE /* U-BOOT version */ > +#define CONFIG_AUTO_COMPLETE /* Command auto > complete */ > +#define CONFIG_CMDLINE_EDITING /* Command history etc > */ > +#define CONFIG_SYS_HUSH_PARSER > +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " > + > +/* > + * Serial Driver > + */ > +#define CONFIG_PL011_SERIAL > +#define CONFIG_PL011_CLOCK 24000000 > +#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } > +#define CONFIG_CONS_INDEX 0 > +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ > +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, > 115200 } > + > +/* > + * Boot Linux > + */ > +#define CONFIG_CMDLINE_TAG > +#define CONFIG_SETUP_MEMORY_TAGS > +#define CONFIG_BOOTDELAY 3 > +#define CONFIG_BOOTFILE "uImage" > +#define CONFIG_BOOTARGS "console=ttyAM0,115200n8 " > +#define CONFIG_BOOTCOMMAND "run bootcmd_net" > +#define CONFIG_LOADADDR 0x42000000 > +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR > + > +#define CONFIG_ENV_IS_NOWHERE 1 > + > +#endif /* __M28_H__ */ Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: off...@denx.de ===================================================================== _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot