[U-Boot] [PATCH 16/18 V3] mxs: Add MX23 olinuxino board support
Marek Vasut
marex at denx.de
Sat Jan 12 18:11:11 CET 2013
This patch adds support for MX23-based Olinuxino board.
Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Fabio Estevam <fabio.estevam at freescale.com>
Cc: Otavio Salvador <otavio at ossystems.com.br>
Cc: Stefano Babic <sbabic at denx.de>
---
MAINTAINERS | 1 +
board/olimex/mx23_olinuxino/Makefile | 47 +++++++++
board/olimex/mx23_olinuxino/mx23_olinuxino.c | 51 ++++++++++
board/olimex/mx23_olinuxino/spl_boot.c | 90 +++++++++++++++++
boards.cfg | 1 +
include/configs/mx23_olinuxino.h | 135 ++++++++++++++++++++++++++
6 files changed, 325 insertions(+)
create mode 100644 board/olimex/mx23_olinuxino/Makefile
create mode 100644 board/olimex/mx23_olinuxino/mx23_olinuxino.c
create mode 100644 board/olimex/mx23_olinuxino/spl_boot.c
create mode 100644 include/configs/mx23_olinuxino.h
V2: Add MAINTAINERS entry
Remove CONFIG_MACH_TYPE (as this board is DT-only)
V3: Re-add CONFIG_MACH_TYPE
diff --git a/MAINTAINERS b/MAINTAINERS
index 36b47b7..08daa28 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -935,6 +935,7 @@ Marek Vasut <marek.vasut at gmail.com>
palmtc xscale/pxa
vpac270 xscale/pxa
zipitz2 xscale/pxa
+ mx23_olinuxino i.MX23
m28evk i.MX28
sc_sps_1 i.MX28
diff --git a/board/olimex/mx23_olinuxino/Makefile b/board/olimex/mx23_olinuxino/Makefile
new file mode 100644
index 0000000..ff41cff
--- /dev/null
+++ b/board/olimex/mx23_olinuxino/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd at 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 := mx23_olinuxino.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
+
+#########################################################################
diff --git a/board/olimex/mx23_olinuxino/mx23_olinuxino.c b/board/olimex/mx23_olinuxino/mx23_olinuxino.c
new file mode 100644
index 0000000..2fcad26
--- /dev/null
+++ b/board/olimex/mx23_olinuxino/mx23_olinuxino.c
@@ -0,0 +1,51 @@
+/*
+ * Olimex MX23 Olinuxino board
+ *
+ * Copyright (C) 2013 Marek Vasut <marex at 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 <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Functions
+ */
+int board_early_init_f(void)
+{
+ /* SSP clock init will come here soon. */
+ 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;
+}
diff --git a/board/olimex/mx23_olinuxino/spl_boot.c b/board/olimex/mx23_olinuxino/spl_boot.c
new file mode 100644
index 0000000..aaebe6c
--- /dev/null
+++ b/board/olimex/mx23_olinuxino/spl_boot.c
@@ -0,0 +1,90 @@
+/*
+ * Olimex MX23 Olinuxino Boot setup
+ *
+ * Copyright (C) 2013 Marek Vasut <marex at 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 <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_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
+
+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,
+};
+
+void board_init_ll(void)
+{
+ mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
+}
diff --git a/boards.cfg b/boards.cfg
index 388e4a4..ef17745 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -189,6 +189,7 @@ tx25 arm arm926ejs tx25 karo
zmx25 arm arm926ejs zmx25 syteco mx25
imx27lite arm arm926ejs imx27lite logicpd mx27
magnesium arm arm926ejs imx27lite logicpd mx27
+mx23_olinuxino arm arm926ejs mx23_olinuxino olimex mxs mx23_olinuxino
apx4devkit arm arm926ejs apx4devkit bluegiga mxs apx4devkit
m28evk arm arm926ejs m28evk denx mxs m28evk
mx28evk arm arm926ejs mx28evk freescale mxs mx28evk
diff --git a/include/configs/mx23_olinuxino.h b/include/configs/mx23_olinuxino.h
new file mode 100644
index 0000000..e5e718c
--- /dev/null
+++ b/include/configs/mx23_olinuxino.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2013 Marek Vasut <marex at denx.de>
+ *
+ * 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 __MX23_OLINUXINO_CONFIG_H__
+#define __MX23_OLINUXINO_CONFIG_H__
+
+/*
+ * SoC configurations
+ */
+#define CONFIG_MX23 /* i.MX23 SoC */
+#define CONFIG_MXS_GPIO /* GPIO control */
+#define CONFIG_SYS_HZ 1000 /* Ticks per second */
+
+#define CONFIG_MACH_TYPE 4105
+
+#include <asm/arch/regs-base.h>
+
+#define CONFIG_SYS_NO_FLASH
+#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>
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DOS_PARTITION
+
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_GPIO
+
+/*
+ * 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_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
+#define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */
+#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
+
+/*
+ * U-Boot general configurations
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_PROMPT "=> "
+#define CONFIG_SYS_CBSIZE 1024 /* 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
+
+/*
+ * 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 */
+
+/*
+ * APBH DMA
+ */
+#define CONFIG_APBH_DMA
+
+/*
+ * ENV -- nowhere so far
+ */
+#define CONFIG_ENV_SIZE (16 * 1024)
+#define CONFIG_ENV_IS_NOWHERE
+
+/*
+ * Boot Linux
+ */
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_BOOTDELAY 3
+#define CONFIG_BOOTFILE "uImage"
+#define CONFIG_BOOTARGS "console=ttyAMA0,115200n8 "
+#define CONFIG_LOADADDR 0x42000000
+#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
+#define CONFIG_OF_LIBFDT
+
+#endif /* __MX23_OLINUXINO_CONFIG_H__ */
--
1.7.10.4
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