From 419adbfbcba2f818d84eec6ed3f70173a4d67efa Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Tue, 6 Sep 2011 09:05:43 +0000 Subject: MX25: Add initial support for MX25PDK Add the initial support for MX25PDK booting from SD card via internal boot. Signed-off-by: Fabio Estevam --- board/freescale/mx25pdk/Makefile | 49 ++++++++++++++++++++++ board/freescale/mx25pdk/imximage.cfg | 73 +++++++++++++++++++++++++++++++++ board/freescale/mx25pdk/lowlevel_init.S | 21 ++++++++++ board/freescale/mx25pdk/mx25pdk.c | 63 ++++++++++++++++++++++++++++ 4 files changed, 206 insertions(+) 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 (limited to 'board') diff --git a/board/freescale/mx25pdk/Makefile b/board/freescale/mx25pdk/Makefile new file mode 100644 index 0000000000..4d45ae3745 --- /dev/null +++ b/board/freescale/mx25pdk/Makefile @@ -0,0 +1,49 @@ +# +# Copyright (C) 2007, Guennadi Liakhovetski +# +# (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 0000000000..f7af7ff1d0 --- /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 0000000000..6e6810fa54 --- /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 0000000000..6b5d1fca82 --- /dev/null +++ b/board/freescale/mx25pdk/mx25pdk.c @@ -0,0 +1,63 @@ +/* + * (C) Copyright 2011 Freescale Semiconductor, Inc. + * + * Author: Fabio Estevam + * + * 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 +#include +#include +#include +#include + +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; +} -- cgit v1.2.1