Add the initial support for MX25PDK booting from SD card via internal boot.
Signed-off-by: Fabio Estevam fabio.estevam@freescale.com --- Changes since v3: - No changes Changes since v2: - No changes Changes since v1: - Keep mx25pdk entry to boards.cfg sorted - Removed unused defines in mx25pdk.h - Do not use the whole RAM space for memory test MAINTAINERS | 1 + board/freescale/mx25pdk/Makefile | 49 ++++++++++++++ board/freescale/mx25pdk/imximage.cfg | 73 +++++++++++++++++++++ board/freescale/mx25pdk/lowlevel_init.S | 21 ++++++ board/freescale/mx25pdk/mx25pdk.c | 62 ++++++++++++++++++ boards.cfg | 1 + include/configs/mx25pdk.h | 106 +++++++++++++++++++++++++++++++ 7 files changed, 313 insertions(+), 0 deletions(-) create mode 100644 board/freescale/mx25pdk/Makefile create mode 100644 board/freescale/mx25pdk/imximage.cfg create mode 100644 board/freescale/mx25pdk/lowlevel_init.S create mode 100644 board/freescale/mx25pdk/mx25pdk.c create mode 100644 include/configs/mx25pdk.h
diff --git a/MAINTAINERS b/MAINTAINERS index f895e9a..7f07b60 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -645,6 +645,7 @@ Kristoffer Ericson kristoffer.ericson@gmail.com
Fabio Estevam fabio.estevam@freescale.com
+ mx25pdk i.MX25 mx31pdk i.MX31 mx53ard i.MX53 mx53smd i.MX53 diff --git a/board/freescale/mx25pdk/Makefile b/board/freescale/mx25pdk/Makefile new file mode 100644 index 0000000..4d45ae3 --- /dev/null +++ b/board/freescale/mx25pdk/Makefile @@ -0,0 +1,49 @@ +# +# Copyright (C) 2007, Guennadi Liakhovetski lg@denx.de +# +# (C) Copyright 2011 Freescale Semiconductor, Inc. +# +# 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 := mx25pdk.o +SOBJS := lowlevel_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/mx25pdk/imximage.cfg b/board/freescale/mx25pdk/imximage.cfg new file mode 100644 index 0000000..f7af7ff --- /dev/null +++ b/board/freescale/mx25pdk/imximage.cfg @@ -0,0 +1,73 @@ +# +# (C) Copyright 2009 +# Stefano Babic DENX Software Engineering sbabic@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. +# +# Refer docs/README.imxmage for more details about how-to configure +# and create imximage boot image +# +# The syntax is taken as close as possible with the kwbimage + +# Boot Device : one of +# spi, sd (the board has no nand neither onenand) + +BOOT_FROM sd + +# Device Configuration Data (DCD) +# +# Each entry must have the format: +# Addr-type Address Value +# +# where: +# Addr-type register length (1,2 or 4 bytes) +# Address absolute address of the register +# value value to be stored in the register + +# EIM config-CS5 init -- CPLD +DATA 4 0xB8002050 0x0000D843 +DATA 4 0xB8002054 0x22252521 +DATA 4 0xB8002058 0x22220A00 + +# DDR2 init +DATA 4 0xB8001004 0x0076E83A +DATA 4 0xB8001010 0x00000204 +DATA 4 0xB8001000 0x92210000 +DATA 4 0x80000f00 0x12344321 +DATA 4 0xB8001000 0xB2210000 +DATA 1 0x82000000 0xda +DATA 1 0x83000000 0xda +DATA 1 0x81000400 0xda +DATA 1 0x80000333 0xda + +DATA 4 0xB8001000 0x92210000 +DATA 1 0x80000400 0x12345678 + +DATA 4 0xB8001000 0xA2210000 +DATA 4 0x80000000 0x87654321 +DATA 4 0x80000000 0x87654321 + +DATA 4 0xB8001000 0xB2210000 +DATA 1 0x80000233 0xda +DATA 1 0x81000780 0xda +DATA 1 0x81000400 0xda +DATA 4 0xB8001000 0x82216080 +DATA 4 0x43FAC454 0x00001000 + +DATA 4 0x53F80008 0x20034000 + +# Enable the clocks +DATA 4 0x53f8000c 0x1fffffff +DATA 4 0x53f80010 0xffffffff +DATA 4 0x53f80014 0xfdfff diff --git a/board/freescale/mx25pdk/lowlevel_init.S b/board/freescale/mx25pdk/lowlevel_init.S new file mode 100644 index 0000000..6e6810f --- /dev/null +++ b/board/freescale/mx25pdk/lowlevel_init.S @@ -0,0 +1,21 @@ +/* + * Copyright (c) 2011 Freescale Semiconductor + * + * 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. + */ + +.globl lowlevel_init +lowlevel_init: + + mov pc, lr diff --git a/board/freescale/mx25pdk/mx25pdk.c b/board/freescale/mx25pdk/mx25pdk.c new file mode 100644 index 0000000..bb27824 --- /dev/null +++ b/board/freescale/mx25pdk/mx25pdk.c @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2011 Freescale Semiconductor, Inc. + * + * Author: Fabio Estevam fabio.estevam@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. + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/imx25-pinmux.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, + PHYS_SDRAM_1_SIZE); + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; +} + +int board_early_init_f(void) +{ + mx25_uart1_init_pins(); + + return 0; +} + +int board_init(void) +{ + gd->bd->bi_arch_number = MACH_TYPE_MX25_3DS; + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +int checkboard(void) +{ + puts("Board: MX25PDK\n"); + + return 0; +} diff --git a/boards.cfg b/boards.cfg index c31114d..17452e4 100644 --- a/boards.cfg +++ b/boards.cfg @@ -162,6 +162,7 @@ rd6281a arm arm926ejs - Marvell sheevaplug arm arm926ejs - Marvell kirkwood dockstar arm arm926ejs - Seagate kirkwood jadecpu arm arm926ejs jadecpu syteco mb86r0x +mx25pdk arm arm926ejs mx25pdk freescale mx25 mx25pdk:IMX_CONFIG=board/freescale/mx25pdk/imximage.cfg zmx25 arm arm926ejs zmx25 syteco mx25 imx27lite arm arm926ejs imx27lite logicpd mx27 magnesium arm arm926ejs imx27lite logicpd mx27 diff --git a/include/configs/mx25pdk.h b/include/configs/mx25pdk.h new file mode 100644 index 0000000..fc80a71 --- /dev/null +++ b/include/configs/mx25pdk.h @@ -0,0 +1,106 @@ +/* + * (C) Copyright 2011 Freescale Semiconductor, Inc. + * + * 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. + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* High Level Configuration Options */ + +#define CONFIG_MX25_CLK32 32768 /* OSC32K frequency */ +#define CONFIG_SYS_HZ 1000 +#define CONFIG_SYS_TEXT_BASE 0x81200000 + +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO + +#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 2 * 1024 * 1024) + +/* Physical Memory Map */ + +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM_1 0x80000000 +#define PHYS_SDRAM_1_SIZE (64 * 1024 * 1024) + +#define CONFIG_BOARD_EARLY_INIT_F + +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \ + GENERATED_GBL_DATA_SIZE) + +/* Memory Test */ +#define CONFIG_SYS_MEMTEST_START (PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE/2) +#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE) + +/* Stack sizes */ +#define CONFIG_STACKSIZE (128 * 1024) /* regular stack */ + +/* Serial Info */ +#define CONFIG_MXC_UART +#define CONFIG_SYS_MX25_UART1 +#define CONFIG_CONS_INDEX 1 /* use UART0 for console */ +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* No NOR flash present */ +#define CONFIG_ENV_OFFSET (6 * 64 * 1024) +#define CONFIG_ENV_SIZE (8 * 1024) +#define CONFIG_ENV_IS_NOWHERE + +#define CONFIG_SYS_NO_FLASH +#define CONFIG_SYS_64BIT_VSPRINTF + +/* U-Boot general configuration */ +#define CONFIG_SYS_PROMPT "MX25PDK U-Boot > " +#define CONFIG_AUTO_COMPLETE +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +/* Print buffer sz */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +#define CONFIG_CMDLINE_EDITING +#define CONFIG_SYS_LONGHELP + +/* U-Boot commands */ +#include <config_cmd_default.h> +#define CONFIG_CMD_CACHE + +/* Ethernet */ +#define CONFIG_FEC_MXC +#define CONFIG_FEC_MXC_PHYADDR 0x1f +#define CONFIG_MII +#define CONFIG_CMD_NET +#define CONFIG_NET_MULTI +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_BOOTDELAY 3 + +#define CONFIG_LOADADDR 0x81000000 /* loadaddr env var */ +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "script=boot.scr\0" \ + "uimage=uImage\0" \ + "netargs=setenv bootargs console=ttymxc0,${baudrate} " \ + "root=/dev/nfs " \ + "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ + "bootcmd=run netargs; dhcp ${uimage}; bootm\0" \ + +#endif /* __CONFIG_H */