+++ b/board/freescale/mx31pdk/lowlevel_init.S @@ -0,0 +1,30 @@ +/*
- (C) Copyright 2008 Magnus Lilja lilja.magnus@gmail.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
- */
+/*
- This is just to keep the linker happy.
- */
+.globl lowlevel_init
+lowlevel_init:
- mov pc, lr
why do you need it?
diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c new file mode 100644 index 0000000..9eed979 --- /dev/null +++ b/board/freescale/mx31pdk/mx31pdk.c @@ -0,0 +1,76 @@ +/*
- (C) Copyright 2008 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 pins for UART1 */
- mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
- mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
- mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
- mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
I think it's time to create common device init functions as done for davinci or at91
- /* SPI2 */
- mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B);
- mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
- mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
- mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
- mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
- mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
- mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B);
ditto
- /* start SPI2 clock */
- __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);
- gd->bd->bi_arch_number = MACH_TYPE_MX31_3DS; /* board id for linux */
- gd->bd->bi_boot_params = 0x80000100; /* adress of boot parameters */
please use this style
RAM_BASE + 0x100 as other arm board
- return 0;
+}
diff --git a/board/freescale/mx31pdk/u-boot.lds b/board/freescale/mx31pdk/u-boot.lds new file mode 100644 index 0000000..e96509a --- /dev/null +++ b/board/freescale/mx31pdk/u-boot.lds
I've send a patch that unify all arm lds so this one is not anymore needed
@@ -0,0 +1,59 @@ +/*
- 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
+#include <asm/arch/mx31-regs.h>
why?
+/* High Level Configuration Options */ +#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
^^^^ whitespate please remove
+#define CONFIG_MX31 1 /* in a mx31 */
^^^^ whitespate please remove
+#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 */
^^^^ whitespate please remove
+#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).
- */
please remove the comment
+#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 CS5_BASE +#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 */
^^ whitespate please remove
+/* 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
+#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1 /* memtest works on */
^^ whitespate please remove
+#define CONFIG_SYS_MEMTEST_END 0x10000
+#define CONFIG_SYS_LOAD_ADDR 0x81000000 /* default load address */
+#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
^ whitespate please remove
Best Regards, J.