This change adds a basic support for Embest/Timll DevKit3250 board, NOR and UART are the only supported peripherals for a moment. The board doesn't require low-level init, because the initial SDRAM and GPIO configuration is performed during kickstart bootloader execution.
Signed-off-by: Vladimir Zapolskiy vz@mleia.com --- board/timll/devkit3250/Makefile | 50 ++++++++++++++ board/timll/devkit3250/devkit3250.c | 74 +++++++++++++++++++++ boards.cfg | 3 +- include/configs/devkit3250.h | 121 +++++++++++++++++++++++++++++++++++ 4 files changed, 247 insertions(+), 1 deletions(-) create mode 100644 board/timll/devkit3250/Makefile create mode 100644 board/timll/devkit3250/devkit3250.c create mode 100644 include/configs/devkit3250.h
diff --git a/board/timll/devkit3250/Makefile b/board/timll/devkit3250/Makefile new file mode 100644 index 0000000..99cb16f --- /dev/null +++ b/board/timll/devkit3250/Makefile @@ -0,0 +1,50 @@ +# +# Copyright (C) 2011 by Vladimir Zapolskiy vz@mleia.com +# Copyright (C) 2008, Guennadi Liakhovetski lg@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 + +COBJS := devkit3250.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/timll/devkit3250/devkit3250.c b/board/timll/devkit3250/devkit3250.c new file mode 100644 index 0000000..b2f7863 --- /dev/null +++ b/board/timll/devkit3250/devkit3250.c @@ -0,0 +1,74 @@ +/* + * Embest/Timll DevKit3250 board support + * + * Copyright (C) 2011 Vladimir Zapolskiy vz@mleia.com + * + * 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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include <common.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/cpu.h> +#include <asm/arch/emc.h> + +DECLARE_GLOBAL_DATA_PTR; + +static struct emc_t *emc = (struct emc_t *)EMC_BASE; + +int board_early_init_f(void) +{ + lpc32xx_uart_init(CONFIG_SYS_LPC32XX_UART); + + return 0; +} + +int board_init(void) +{ + /* + * It might be necessary to flush data cache, if U-boot is loaded + * from kickstart bootloader, e.g. from S1L loader + */ + flush_cache(0, 0); + + /* set machine id of Embest DevKit3250 */ + gd->bd->bi_arch_number = MACH_TYPE_DEVKIT3250; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_ENV_ADDR; + +#ifdef CONFIG_SYS_FLASH_CFI + /* Use 16-bit memory interface for NOR Flash */ + emc->stat[0].config = EMC_STAT_CONFIG_PB | EMC_STAT_CONFIG_16BIT; + + /* Change the NOR timings to optimum value to get maximum bandwidth */ + emc->stat[0].waitwen = EMC_STAT_WAITWEN(1); + emc->stat[0].waitoen = EMC_STAT_WAITOEN(1); + emc->stat[0].waitrd = EMC_STAT_WAITRD(12); + emc->stat[0].waitpage = EMC_STAT_WAITPAGE(12); + emc->stat[0].waitwr = EMC_STAT_WAITWR(5); + emc->stat[0].waitturn = EMC_STAT_WAITTURN(2); +#endif + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + + return 0; +} diff --git a/boards.cfg b/boards.cfg index e982ec6..8784b29 100644 --- a/boards.cfg +++ b/boards.cfg @@ -160,7 +160,8 @@ nhk8815 arm arm926ejs nhk8815 st nhk8815_onenand arm arm926ejs nhk8815 st nomadik nhk8815:BOOT_ONENAND omap5912osk arm arm926ejs - ti omap edminiv2 arm arm926ejs - LaCie orion5x -dkb arm arm926ejs - Marvell pantheon +dkb arm arm926ejs - Marvell pantheon +devkit3250 arm arm926ejs devkit3250 timll lpc32xx integratorap_cm946es arm arm946es integrator armltd - integratorap integratorcp_cm946es arm arm946es integrator armltd - integratorcp ca9x4_ct_vxp arm armv7 vexpress armltd diff --git a/include/configs/devkit3250.h b/include/configs/devkit3250.h new file mode 100644 index 0000000..31b04b2 --- /dev/null +++ b/include/configs/devkit3250.h @@ -0,0 +1,121 @@ +/* + * Embest/Timll DevKit3250 board configuration file + * + * Copyright (C) 2011 Vladimir Zapolskiy vz@mleia.com + * + * 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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#ifndef __CONFIG_DEVKIT3250_H__ +#define __CONFIG_DEVKIT3250_H__ + +/* SoC and board defines */ +#include <asm/sizes.h> +#include <asm/arch/cpu.h> + +/* + * Define DevKit3250 machine type by hand until it lands in mach-types + */ +#define MACH_TYPE_DEVKIT3250 3697 +#define CONFIG_MACH_TYPE MACH_TYPE_DEVKIT3250 + +#define CONFIG_SYS_ICACHE_OFF +#define CONFIG_SYS_DCACHE_OFF +#define CONFIG_SKIP_LOWLEVEL_INIT +#define CONFIG_BOARD_EARLY_INIT_F + +/* + * Memory configurations + */ +#define CONFIG_NR_DRAM_BANKS 1 +#define CONFIG_STACKSIZE SZ_32K +#define CONFIG_SYS_MALLOC_LEN SZ_1M +#define CONFIG_SYS_GBL_DATA_SIZE 128 +#define CONFIG_SYS_SDRAM_BASE EMC_DYCS0_BASE +#define CONFIG_SYS_SDRAM_SIZE SZ_64M +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - SZ_1M) + +#define CONFIG_SYS_TEXT_BASE 0x82FA0000 +#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_MEMTEST_START + SZ_32K) + +#define CONFIG_SYS_INIT_RAM_SIZE SZ_4K +#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \ + CONFIG_SYS_INIT_RAM_SIZE - \ + GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET + +/* + * Serial Driver + */ +#define CONFIG_SYS_LPC32XX_UART 5 /* UART5 */ +#define CONFIG_BAUDRATE 115200 + +/* + * NOR Flash + */ +#define CONFIG_CMD_FLASH +#define CONFIG_SYS_MAX_FLASH_BANKS 1 +#define CONFIG_SYS_MAX_FLASH_SECT 71 +#define CONFIG_SYS_FLASH_BASE EMC_CS0_BASE +#define CONFIG_SYS_FLASH_SIZE SZ_4M +#define CONFIG_SYS_FLASH_CFI + +/* + * 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) +#define CONFIG_SYS_MAXARGS 16 +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +#define CONFIG_AUTO_COMPLETE +#define CONFIG_CMDLINE_EDITING +#define CONFIG_VERSION_VARIABLE +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DOS_PARTITION + +#define CONFIG_ENV_IS_NOWHERE +#define CONFIG_ENV_SIZE SZ_128K +#define CONFIG_ENV_ADDR 0x80000100 + +/* + * U-Boot Commands + */ +#include <config_cmd_default.h> +#define CONFIG_CMD_CACHE + +/* + * Boot Linux + */ +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_ZERO_BOOTDELAY_CHECK +#define CONFIG_BOOTDELAY 3 + +#define CONFIG_BOOTFILE uImage +#define CONFIG_BOOTARGS "console=ttyS2,115200n8" +#define CONFIG_LOADADDR 0x80008000 + +/* + * SoC specific configuration + */ +#include <asm/arch/config.h> + +#endif /* __CONFIG_DEVKIT3250_H__*/