[U-Boot] [PATCH v4 5/6] MX31: Add basic support for Freescale i.MX31 PDK board.

Magnus Lilja
2009-06-13T18:50:04Z

Add support for Freescale's i.MX31 PDK board (a.k.a. 3 stack board).

This patch assumes that some other program performs the actual
NAND boot.

Signed-off-by: Magnus Lilja <lilja.magnus@gmail.com>
---
MAINTAINERS | 4 +
MAKEALL | 1 +
Makefile | 3 +
board/freescale/mx31pdk/Makefile | 52 +++++++++++
board/freescale/mx31pdk/config.mk | 1 +
board/freescale/mx31pdk/mx31pdk.c | 63 +++++++++++++
include/asm-arm/arch-mx31/mx31-regs.h | 2 +
include/configs/mx31pdk.h | 162 +++++++++++++++++++++++++++++++++
8 files changed, 288 insertions(+), 0 deletions(-)
create mode 100644 board/freescale/mx31pdk/Makefile
create mode 100644 board/freescale/mx31pdk/config.mk
create mode 100644 board/freescale/mx31pdk/mx31pdk.c
create mode 100644 include/configs/mx31pdk.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 1f6008f..8eb54e1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -528,6 +528,10 @@ Thomas Elste <info@elste.org>

modnet50 ARM720T (NET+50)

+Fabio Estevam <Fabio.Estevam@freescale.com>
+
+ mx31pdk i.MX31
+
Peter Figuli <peposh@etc.sk>

wepep250 xscale
diff --git a/MAKEALL b/MAKEALL
index f48a08e..0757064 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -552,6 +552,7 @@ LIST_ARM11=" \
imx31_phycore \
imx31_phycore_eet \
mx31ads \
+ mx31pdk \
qong \
smdk6400 \
"
diff --git a/Makefile b/Makefile
index aa4646f..e445e51 100644
--- a/Makefile
+++ b/Makefile
@@ -3115,6 +3115,9 @@ imx31_phycore_config : unconfig
mx31ads_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm1136 mx31ads freescale mx31

+mx31pdk_config : unconfig
+ @$(MKCONFIG) $(@:_config=) arm arm1136 mx31pdk freescale mx31
+
omap2420h4_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm1136 omap2420h4 NULL omap24xx

diff --git a/board/freescale/mx31pdk/Makefile b/board/freescale/mx31pdk/Makefile
new file mode 100644
index 0000000..d5d8f04
--- /dev/null
+++ b/board/freescale/mx31pdk/Makefile
@@ -0,0 +1,52 @@
+#
+# (C) Copyright 2008 Magnus Lilja <lilja.magnus@gmail.com>
+#
+# (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).a
+
+COBJS := mx31pdk.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/mx31pdk/config.mk b/board/freescale/mx31pdk/config.mk
new file mode 100644
index 0000000..d34dc02
--- /dev/null
+++ b/board/freescale/mx31pdk/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0x87f00000
diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c
new file mode 100644
index 0000000..6b60c17
--- /dev/null
+++ b/board/freescale/mx31pdk/mx31pdk.c
@@ -0,0 +1,63 @@
+/*
+ *
+ * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.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/mx31.h>
+#include <asm/arch/mx31-regs.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+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;
+}
+
+int board_init(void)
+{
+ /* CS5: CPLD incl. network controller */
+ __REG(CSCR_U(5)) = 0x0000d843;
+ __REG(CSCR_L(5)) = 0x22252521;
+ __REG(CSCR_A(5)) = 0x22220a00;
+
+ /* Setup UART1 and SPI2 pins */
+ mx31_uart1_hw_init();
+ mx31_spi2_hw_init();
+
+ gd->bd->bi_arch_number = MACH_TYPE_MX31_3DS; /* board id for linux */
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ printf("Board: i.MX31 MAX PDK (3DS)\n");
+ return 0;
+}
diff --git a/include/asm-arm/arch-mx31/mx31-regs.h b/include/asm-arm/arch-mx31/mx31-regs.h
index c2e7dcf..76f4d53 100644
--- a/include/asm-arm/arch-mx31/mx31-regs.h
+++ b/include/asm-arm/arch-mx31/mx31-regs.h
@@ -84,6 +84,8 @@
#define IPU_CONF_IC_EN (1<<1)
#define IPU_CONF_SCI_EN (1<<0)

+#define ARM_PPMRR 0x40000015
+
#define WDOG_BASE 0x53FDC000

/*
diff --git a/include/configs/mx31pdk.h b/include/configs/mx31pdk.h
new file mode 100644
index 0000000..ca7b960
--- /dev/null
+++ b/include/configs/mx31pdk.h
@@ -0,0 +1,162 @@
+/*
+ * (C) Copyright 2008 Magnus Lilja <lilja.magnus@gmail.com>
+ *
+ * (C) Copyright 2004
+ * Texas Instruments.
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Kshitij Gupta <kshitij@ti.com>
+ *
+ * Configuration settings for the Freescale i.MX31 PDK board.
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* High Level Configuration Options */
+#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
+#define CONFIG_MX31 1 /* in a mx31 */
+#define CONFIG_MX31_HCLK_FREQ 26000000
+#define CONFIG_MX31_CLK32 32768
+
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+
+/* No support for NAND boot for i.MX31 PDK yet, so we rely on some other
+ * program to initialize the SDRAM.
+ */
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024)
+/* Bytes reserved for initial data */
+#define CONFIG_SYS_GBL_DATA_SIZE 128
+
+/*
+ * Hardware drivers
+ */
+
+#define CONFIG_MX31_UART 1
+#define CONFIG_SYS_MX31_UART1 1
+
+#define CONFIG_HARD_SPI 1
+#define CONFIG_MXC_SPI 1
+#define CONFIG_DEFAULT_SPI_BUS 1
+#define CONFIG_DEFAULT_SPI_MODE (SPI_MODE_2 | SPI_CS_HIGH)
+
+#define CONFIG_RTC_MC13783 1
+
+/* MC13783 connected to CSPI2 and SS2 */
+#define CONFIG_MC13783_SPI_BUS 1
+#define CONFIG_MC13783_SPI_CS 2
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_CONS_INDEX 1
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SYS_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
+
+/***********************************************************
+ * Command definition
+ ***********************************************************/
+
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_DATE
+
+/*
+ * Disabled due to compilation errors in cmd_bootm.c (IMLS seems to require
+ * that CFG_NO_FLASH is undefined).
+ */
+#undef CONFIG_CMD_IMLS
+
+#define CONFIG_BOOTDELAY 3
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "bootargs_base=setenv bootargs console=ttymxc0,115200\0" \
+ "bootargs_nfs=setenv bootargs $(bootargs) root=/dev/nfs " \
+ "ip=dhcp nfsroot=$(serverip):$(nfsrootfs),v3,tcp\0" \
+ "bootcmd=run bootcmd_net\0" \
+ "bootcmd_net=run bootargs_base bootargs_mtd bootargs_nfs; " \
+ "tftpboot 0x81000000 uImage-mx31; bootm\0"
+
+#define CONFIG_DRIVER_SMC911X 1
+#define CONFIG_DRIVER_SMC911X_BASE 0xB6000000
+#define CONFIG_DRIVER_SMC911X_32_BIT 1
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP /* undef to save memory */
+#define CONFIG_SYS_PROMPT "uboot> "
+#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT)+16)
+/* max number of command args */
+#define CONFIG_SYS_MAXARGS 16
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+/* memtest works on */
+#define CONFIG_SYS_MEMTEST_START 0x80000000
+#define CONFIG_SYS_MEMTEST_END 0x10000
+
+/* default load address */
+#define CONFIG_SYS_LOAD_ADDR 0x81000000
+
+#define CONFIG_SYS_HZ 1000
+
+#define CONFIG_CMDLINE_EDITING 1
+
+/*-----------------------------------------------------------------------
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE (128 * 1024) /* regular stack */
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS 1
+#define PHYS_SDRAM_1 CSD0_BASE
+#define PHYS_SDRAM_1_SIZE (128 * 1024 * 1024)
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+/* No NOR flash present */
+#define CONFIG_SYS_NO_FLASH 1
+
+#define CONFIG_ENV_IS_NOWHERE 1
+
+#define CONFIG_ENV_SIZE (128 * 1024)
+
+#endif /* __CONFIG_H */
--
1.5.6