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MX25: Add initial support for MX25PDK

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Add the initial support for MX25PDK booting from SD card via internal boot.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
master
Fabio Estevam 13 years ago committed by Albert ARIBAUD
parent e6d9b9785c
commit 419adbfbcb
7 changed files with 315 additions and 0 deletions
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  1. 1
      MAINTAINERS
  2. 49
      board/freescale/mx25pdk/Makefile
  3. 73
      board/freescale/mx25pdk/imximage.cfg
  4. 21
      board/freescale/mx25pdk/lowlevel_init.S
  5. 63
      board/freescale/mx25pdk/mx25pdk.c
  6. 2
      boards.cfg
  7. 106
      include/configs/mx25pdk.h

1
MAINTAINERS
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@ -634,6 +634,7 @@ Kristoffer Ericson <kristoffer.ericson@gmail.com>
Fabio Estevam <fabio.estevam@freescale.com>
mx25pdk i.MX25
mx31pdk i.MX31
mx53ard i.MX53
mx53smd i.MX53

49
board/freescale/mx25pdk/Makefile
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@ -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
#########################################################################

73
board/freescale/mx25pdk/imximage.cfg
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@ -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

21
board/freescale/mx25pdk/lowlevel_init.S
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@ -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

63
board/freescale/mx25pdk/mx25pdk.c
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@ -0,0 +1,63 @@
/*
* (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>
#include <asm/arch/sys_proto.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;
}

2
boards.cfg
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@ -144,6 +144,8 @@ 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
tx25 arm arm926ejs tx25 karo mx25
zmx25 arm arm926ejs zmx25 syteco mx25
imx27lite arm arm926ejs imx27lite logicpd mx27
magnesium arm arm926ejs imx27lite logicpd mx27

106
include/configs/mx25pdk.h
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@ -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 */
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