diff options
Diffstat (limited to 'board/freescale/mx28_evk')
| -rw-r--r-- | board/freescale/mx28_evk/Makefile | 52 | ||||
| -rw-r--r-- | board/freescale/mx28_evk/config.mk | 6 | ||||
| -rw-r--r-- | board/freescale/mx28_evk/lowlevel_init.S | 36 | ||||
| -rw-r--r-- | board/freescale/mx28_evk/mx28_evk.c | 132 | ||||
| -rw-r--r-- | board/freescale/mx28_evk/u-boot.lds | 51 |
5 files changed, 277 insertions, 0 deletions
diff --git a/board/freescale/mx28_evk/Makefile b/board/freescale/mx28_evk/Makefile new file mode 100644 index 0000000..312bd63 --- /dev/null +++ b/board/freescale/mx28_evk/Makefile @@ -0,0 +1,52 @@ +# +# (C) Copyright 2000-2006 +# 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 := mx28_evk.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) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### + diff --git a/board/freescale/mx28_evk/config.mk b/board/freescale/mx28_evk/config.mk new file mode 100644 index 0000000..7b57ec3 --- /dev/null +++ b/board/freescale/mx28_evk/config.mk @@ -0,0 +1,6 @@ +# +# image should be loaded at 0x41008000 +# +LDSCRIPT := $(SRCTREE)/board/$(VENDOR)/$(BOARD)/u-boot.lds + +TEXT_BASE = 0x41008000 diff --git a/board/freescale/mx28_evk/lowlevel_init.S b/board/freescale/mx28_evk/lowlevel_init.S new file mode 100644 index 0000000..1c62a31 --- /dev/null +++ b/board/freescale/mx28_evk/lowlevel_init.S @@ -0,0 +1,36 @@ +/* + * Board specific setup info + * + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * (C) Copyright 2003, ARM Ltd. + * Philippe Robin, <philippe.robin@arm.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 <config.h> +#include <version.h> + +/* Set up the platform, once the cpu has been initialized */ +.globl lowlevel_init +lowlevel_init: + + /* All SDRAM settings are done by sdram_prep */ + mov pc, lr diff --git a/board/freescale/mx28_evk/mx28_evk.c b/board/freescale/mx28_evk/mx28_evk.c new file mode 100644 index 0000000..8466a1e --- /dev/null +++ b/board/freescale/mx28_evk/mx28_evk.c @@ -0,0 +1,132 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * 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/arch/regs-pinctrl.h> +#include <asm/arch/pinctrl.h> + +/* This should be removed after it's added into mach-types.h */ +#ifndef MACH_TYPE_MX28EVK +#define MACH_TYPE_MX28EVK 2531 +#endif + +DECLARE_GLOBAL_DATA_PTR; + +/* MMC pins */ +static struct pin_desc mmc_pins_desc[] = { + { PINID_SSP0_DATA0, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_SSP0_DATA1, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_SSP0_DATA2, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_SSP0_DATA3, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_SSP0_DATA4, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_SSP0_DATA5, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_SSP0_DATA6, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_SSP0_DATA7, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_SSP0_CMD, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_SSP0_DETECT, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_SSP0_SCK, PIN_FUN1, PAD_8MA, PAD_3V3, 1 } +}; + +static struct pin_group mmc_pins = { + .pins = mmc_pins_desc, + .nr_pins = ARRAY_SIZE(mmc_pins_desc) +}; + +/* ENET pins */ +static struct pin_desc enet_pins_desc[] = { + { PINID_ENET0_MDC, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_ENET0_MDIO, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_ENET0_RX_EN, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_ENET0_RXD0, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_ENET0_RXD1, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_ENET0_TX_EN, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_ENET0_TXD0, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_ENET0_TXD1, PIN_FUN1, PAD_8MA, PAD_3V3, 1 }, + { PINID_ENET_CLK, PIN_FUN1, PAD_8MA, PAD_3V3, 1 } +}; + +static struct pin_group enet_pins = { + .pins = enet_pins_desc, + .nr_pins = ARRAY_SIZE(enet_pins_desc) +}; + +/* + * Functions + */ +int board_init(void) +{ + /* Will change it for MX28 EVK later */ + gd->bd->bi_arch_number = MACH_TYPE_MX28EVK; + /* Adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +int dram_init(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return 0; +} + +u32 ssp_mmc_is_wp(void) +{ + return pin_gpio_get(PINID_SSP1_SCK); +} + +void ssp_mmc_board_init(void) +{ + /* Set up MMC pins */ + pin_set_group(&mmc_pins); + + /* Power on the card slot */ + pin_set_type(PINID_PWM3, PIN_GPIO); + pin_gpio_direction(PINID_PWM3, 1); + pin_gpio_set(PINID_PWM3, 0); + + /* Wait 10 ms for card ramping up */ + udelay(10000); + + /* Set up WP pin */ + pin_set_type(PINID_SSP1_SCK, PIN_GPIO); + pin_gpio_direction(PINID_SSP1_SCK, 0); +} + +void enet_board_init(void) +{ + /* Set up ENET pins */ + pin_set_group(&enet_pins); + + /* Power on the external phy */ + pin_set_type(PINID_SSP1_DATA3, PIN_GPIO); + pin_gpio_direction(PINID_SSP1_DATA3, 1); + pin_gpio_set(PINID_SSP1_DATA3, 0); + + /* Reset the external phy */ + pin_set_type(PINID_ENET0_RX_CLK, PIN_GPIO); + pin_gpio_direction(PINID_ENET0_RX_CLK, 1); + pin_gpio_set(PINID_ENET0_RX_CLK, 0); + udelay(200); + pin_gpio_set(PINID_ENET0_RX_CLK, 1); +} diff --git a/board/freescale/mx28_evk/u-boot.lds b/board/freescale/mx28_evk/u-boot.lds new file mode 100644 index 0000000..b7efe6d --- /dev/null +++ b/board/freescale/mx28_evk/u-boot.lds @@ -0,0 +1,51 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@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_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + . = ALIGN(4); + .text : + { + cpu/arm926ejs/start.o (.text) + *(.text) + } + .rodata : { *(.rodata) } + . = ALIGN(4); + .data : { *(.data) } + . = ALIGN(4); + .got : { *(.got) } + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss (NOLOAD) : { *(.bss) } + _end = .; +} |