mx23evk: Add initial board support

The following features are supported:
 * 128 MB DDR1 SDRAM
 * DUART
 * SD/MMC Card Socket

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
This commit is contained in:
Otavio Salvador 2013-01-23 10:30:34 +00:00 committed by Stefano Babic
parent 38fc15d86c
commit 81ca840976
6 changed files with 441 additions and 0 deletions

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@ -947,6 +947,10 @@ Matt Waddel <matt.waddel@linaro.org>
ca9x4_ct_vxp ARM ARMV7 (Quad Core) ca9x4_ct_vxp ARM ARMV7 (Quad Core)
Otavio Salvador <otavio@ossystems.com.br>
mx23evk i.MX23
Prafulla Wadaskar <prafulla@marvell.com> Prafulla Wadaskar <prafulla@marvell.com>
aspenite ARM926EJS (ARMADA100 88AP168 SoC) aspenite ARM926EJS (ARMADA100 88AP168 SoC)

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@ -0,0 +1,47 @@
#
# (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).o
ifndef CONFIG_SPL_BUILD
COBJS := mx23evk.o
else
COBJS := spl_boot.o
endif
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
$(LIB): $(obj).depend $(OBJS)
$(call cmd_link_o_target, $(OBJS))
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

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@ -0,0 +1,83 @@
/*
* Freescale MX23EVK board
*
* (C) Copyright 2013 O.S. Systems Software LTDA.
*
* Author: Otavio Salvador <otavio@ossystems.com.br>
*
* Based on m28evk.c:
* Copyright (C) 2011 Marek Vasut <marek.vasut@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.
*/
#include <common.h>
#include <asm/gpio.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
#include <asm/arch/iomux-mx23.h>
#include <asm/arch/sys_proto.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* Functions
*/
int board_early_init_f(void)
{
/* IO0 clock at 480MHz */
mxs_set_ioclk(MXC_IOCLK0, 480000);
/* SSP0 clock at 96MHz */
mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
return 0;
}
int dram_init(void)
{
return mxs_dram_init();
}
int board_init(void)
{
/* Adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
return 0;
}
#ifdef CONFIG_CMD_MMC
static int mx23evk_mmc_wp(int id)
{
if (id != 0) {
printf("MXS MMC: Invalid card selected (card id = %d)\n", id);
return 1;
}
return gpio_get_value(MX23_PAD_PWM4__GPIO_1_30);
}
int board_mmc_init(bd_t *bis)
{
/* Configure WP as input */
gpio_direction_input(MX23_PAD_PWM4__GPIO_1_30);
/* Configure MMC0 Power Enable */
gpio_direction_output(MX23_PAD_PWM3__GPIO_1_29, 0);
return mxsmmc_initialize(bis, 0, mx23evk_mmc_wp, NULL);
}
#endif

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@ -0,0 +1,104 @@
/*
* Freescale MX23EVK Boot setup
*
* Copyright (C) 2011 Marek Vasut <marek.vasut@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.
*/
#include <common.h>
#include <config.h>
#include <asm/io.h>
#include <asm/arch/iomux-mx23.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
#define MUX_CONFIG_SSP1 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
#define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_16MA | MXS_PAD_PULLUP)
const iomux_cfg_t iomux_setup[] = {
/* DUART */
MX23_PAD_PWM0__DUART_RX,
MX23_PAD_PWM1__DUART_TX,
/* EMI */
MX23_PAD_EMI_D00__EMI_D00 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D01__EMI_D01 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D02__EMI_D02 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D03__EMI_D03 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D04__EMI_D04 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D05__EMI_D05 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D06__EMI_D06 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D07__EMI_D07 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D08__EMI_D08 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D09__EMI_D09 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D10__EMI_D10 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D11__EMI_D11 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D12__EMI_D12 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D13__EMI_D13 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D14__EMI_D14 | MUX_CONFIG_EMI,
MX23_PAD_EMI_D15__EMI_D15 | MUX_CONFIG_EMI,
MX23_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
MX23_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
MX23_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
MX23_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
MX23_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
MX23_PAD_EMI_CLKN__EMI_CLKN | MUX_CONFIG_EMI,
MX23_PAD_EMI_A00__EMI_A00 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A01__EMI_A01 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A02__EMI_A02 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A03__EMI_A03 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A04__EMI_A04 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A05__EMI_A05 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A06__EMI_A06 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A07__EMI_A07 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A08__EMI_A08 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A09__EMI_A09 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A10__EMI_A10 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A11__EMI_A11 | MUX_CONFIG_EMI,
MX23_PAD_EMI_A12__EMI_A12 | MUX_CONFIG_EMI,
MX23_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
MX23_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
MX23_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
MX23_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
MX23_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
MX23_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
MX23_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
MX23_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
/* MMC 0 */
MX23_PAD_SSP1_DATA0__SSP1_DATA0 | MUX_CONFIG_SSP1,
MX23_PAD_SSP1_DATA1__SSP1_DATA1 | MUX_CONFIG_SSP1,
MX23_PAD_SSP1_DATA2__SSP1_DATA2 | MUX_CONFIG_SSP1,
MX23_PAD_SSP1_DATA3__SSP1_DATA3 | MUX_CONFIG_SSP1,
MX23_PAD_SSP1_CMD__SSP1_CMD | MUX_CONFIG_SSP1,
MX23_PAD_SSP1_DETECT__SSP1_DETECT | MUX_CONFIG_SSP1,
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
MX23_PAD_SSP1_SCK__SSP1_SCK |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
/* Write Protect Pin */
MX23_PAD_PWM4__GPIO_1_30 |
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
/* Slot Power Enable */
MX23_PAD_PWM3__GPIO_1_29 |
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
};
void board_init_ll(void)
{
mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
}

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@ -193,6 +193,7 @@ imx27lite arm arm926ejs imx27lite logicpd
magnesium arm arm926ejs imx27lite logicpd mx27 magnesium arm arm926ejs imx27lite logicpd mx27
mx23_olinuxino arm arm926ejs mx23_olinuxino olimex mxs mx23_olinuxino mx23_olinuxino arm arm926ejs mx23_olinuxino olimex mxs mx23_olinuxino
apx4devkit arm arm926ejs apx4devkit bluegiga mxs apx4devkit apx4devkit arm arm926ejs apx4devkit bluegiga mxs apx4devkit
mx23evk arm arm926ejs mx23evk freescale mxs mx23evk
m28evk arm arm926ejs m28evk denx mxs m28evk m28evk arm arm926ejs m28evk denx mxs m28evk
mx28evk arm arm926ejs mx28evk freescale mxs mx28evk mx28evk arm arm926ejs mx28evk freescale mxs mx28evk
sc_sps_1 arm arm926ejs sc_sps_1 schulercontrol mxs sc_sps_1 arm arm926ejs sc_sps_1 schulercontrol mxs

202
include/configs/mx23evk.h Normal file
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@ -0,0 +1,202 @@
/*
* Freescale i.MX23 EVK board config
*
* Copyright (C) 2013 Otavio Salvador <otavio@ossystems.com.br>
* on behalf of O.S. Systems Software LTDA.
*
* 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 __MX23EVK_CONFIG_H__
#define __MX23EVK_CONFIG_H__
/* SoC configurations */
#define CONFIG_MX23 /* i.MX23 SoC */
#include <asm/arch/regs-base.h>
#define CONFIG_MXS_GPIO /* GPIO control */
#define CONFIG_SYS_HZ 1000 /* Ticks per second */
#define CONFIG_MACH_TYPE MACH_TYPE_MX23EVK
#define CONFIG_SYS_NO_FLASH
#define CONFIG_SYS_ICACHE_OFF
#define CONFIG_SYS_DCACHE_OFF
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_ARCH_MISC_INIT
/* SPL */
#define CONFIG_SPL
#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs"
#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_GPIO_SUPPORT
/* U-Boot Commands */
#include <config_cmd_default.h>
#undef CONFIG_CMD_NET
#undef CONFIG_CMD_NFS
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DOS_PARTITION
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_FAT
#define CONFIG_CMD_GPIO
#define CONFIG_CMD_MMC
#define CONFIG_CMD_BOOTZ
/* Memory configurations */
#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
#define PHYS_SDRAM_1 0x40000000 /* Base address */
#define PHYS_SDRAM_1_SIZE 0x08000000 /* Max 128 MB RAM */
#define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */
#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
#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
/* Point initial SP in SRAM so SPL can use it too. */
#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
#define CONFIG_SYS_INIT_SP_OFFSET \
(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
/*
* We need to sacrifice first 4 bytes of RAM here to avoid triggering some
* strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
* binary. In case there was more of this mess, 0x100 bytes are skipped.
*/
#define CONFIG_SYS_TEXT_BASE 0x40000100
#define CONFIG_ENV_OVERWRITE
/* U-Boot general configurations */
#define CONFIG_SYS_LONGHELP
#define CONFIG_SYS_PROMPT "=> "
#define CONFIG_SYS_CBSIZE 256 /* 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 }
/* DMA */
#define CONFIG_APBH_DMA
/* MMC Driver */
#ifdef CONFIG_CMD_MMC
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_BOUNCE_BUFFER
#define CONFIG_MXS_MMC
#endif
/* Boot Linux */
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_BOOTDELAY 1
#define CONFIG_BOOTFILE "uImage"
#define CONFIG_LOADADDR 0x42000000
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_OF_LIBFDT
/* Environment */
#define CONFIG_ENV_IS_IN_MMC
#ifdef CONFIG_ENV_IS_IN_MMC
#define CONFIG_ENV_OFFSET (256 * 1024)
#define CONFIG_ENV_SIZE (16 * 1024)
#define CONFIG_SYS_MMC_ENV_DEV 0
#endif
/* Extra Environments */
#define CONFIG_EXTRA_ENV_SETTINGS \
"update_sd_firmware_filename=u-boot.sd\0" \
"update_sd_firmware=" /* Update the SD firmware partition */ \
"if mmc rescan ; then " \
"if tftp ${update_sd_firmware_filename} ; then " \
"setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \
"setexpr fw_sz ${fw_sz} + 1 ; " \
"mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
"fi ; " \
"fi\0" \
"script=boot.scr\0" \
"uimage=uImage\0" \
"console=ttyAMA0\0" \
"fdt_file=imx23-evk.dtb\0" \
"fdt_addr=0x41000000\0" \
"boot_fdt=try\0" \
"mmcdev=0\0" \
"mmcpart=2\0" \
"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
"mmcargs=setenv bootargs console=${console},${baudrate} " \
"root=${mmcroot}\0" \
"loadbootscript=" \
"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
"bootscript=echo Running bootscript from mmc ...; " \
"source\0" \
"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if run loadfdt; then " \
"bootm ${loadaddr} - ${fdt_addr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
"bootm; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi; " \
"else " \
"bootm; " \
"fi;\0"
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"if run loadbootscript; then " \
"run bootscript; " \
"else " \
"if run loaduimage; then " \
"run mmcboot; " \
"else " \
"echo ERR: Fail to boot from MMC; " \
"fi; " \
"fi; " \
"else exit; fi"
#endif /* __MX23EVK_CONFIG_H__ */