[U-Boot] [PATCH] ARM DaVinci:Adding DM365 Support

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Thu Apr 30 07:54:13 CEST 2009


On 12:19 Wed 29 Apr     , s-paulraj at ti.com wrote:
> Patch adds support for DaVinci DM365.
> It does not have the DM9000 like the DM355 but has capability
> for 4 BIT ECC correction just like DM355.
> This patch lacks 2 features
> 
> 1) No 4 BIT ECC correction. We will add support for 4 BIT ECC correction
>    to the NAND driver(davinci_nand.c) soon so that other device like
>    the DM355 can also use this feature. Other TI SOCs like DA830(Primus)
>    not yet part of the U-Boot GIT can also use this once support is added.
>    Some core NAND driver APIs were changed and are being used by TI in
>    our internal releases but those patches were not accepted when posted to
>    the MTD list. So this support will have to wait for some time.
> 
> 2) I have managed to get EMAC working in my branch but i see that there are
>    patches where the location of the EMAC driver has changed along with a
>    few other changes. The EMAC on all TI SOCs like DM644x, DM6467, DM365
>    and DA830 is simlar but not the same. So i need to come up with a patch
>    which will enable EMAC to work on all TI SOCs.
> 
> Patches for the above features mentioned will be added soon. Patch for 4 BIT
> ECC correction and EMAC should not take much time to submit but the feature
> where we change the NAND read APIs to work along with the EMIF 2.3 IP present
> in latest DaVinci SOCs will take some time.
I'm not sure you really want all this comment will be in the final commit
message
>    
> Signed-off-by: Sandeep Paulraj <s-paulraj at ti.com>
> ---
>  MAKEALL                                 |    1 +
>  Makefile                                |    3 +
>  board/davinci/dm365_evm/Makefile        |   52 ++++++++++
>  board/davinci/dm365_evm/board_init.S    |   29 ++++++
>  board/davinci/dm365_evm/config.mk       |   39 ++++++++
>  board/davinci/dm365_evm/dm365_evm.c     |   97 +++++++++++++++++++
>  board/davinci/dm365_evm/u-boot.lds      |   52 ++++++++++
>  cpu/arm926ejs/davinci/Makefile          |    1 +
>  cpu/arm926ejs/davinci/dm365.c           |   39 ++++++++
>  include/asm-arm/arch-davinci/hardware.h |    3 +
>  include/configs/davinci_dm365_evm.h     |  155 +++++++++++++++++++++++++++++++
>  11 files changed, 471 insertions(+), 0 deletions(-)
>  create mode 100644 board/davinci/dm365_evm/Makefile
>  create mode 100644 board/davinci/dm365_evm/board_init.S
>  create mode 100644 board/davinci/dm365_evm/config.mk
>  create mode 100755 board/davinci/dm365_evm/dm365_evm.c
>  create mode 100644 board/davinci/dm365_evm/u-boot.lds
>  create mode 100644 cpu/arm926ejs/davinci/dm365.c
>  create mode 100644 include/configs/davinci_dm365_evm.h
> 
> diff --git a/MAKEALL b/MAKEALL
> index c65f418..31cbaef 100755
> --- a/MAKEALL
> +++ b/MAKEALL
> @@ -529,6 +529,7 @@ LIST_ARM9="			\
>  	davinci_sonata		\
>  	davinci_dm355evm	\
>  	davinci_dm357_evm	\
> +	davinci_dm365_evm	\
>  "
>  
>  #########################################################################
> diff --git a/Makefile b/Makefile
> index fb0ce64..6a8ffa0 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -2796,6 +2796,9 @@ davinci_dm355evm_config :	unconfig
>  davinci_dm357_evm_config :	unconfig
>  	@$(MKCONFIG) $(@:_config=) arm arm926ejs dm357_evm davinci davinci
>  
> +davinci_dm365_evm_config :	unconfig
> +	@$(MKCONFIG) $(@:_config=) arm arm926ejs dm365_evm davinci davinci
> +
>  lpd7a400_config \
>  lpd7a404_config:	unconfig
>  	@$(MKCONFIG) $(@:_config=) arm lh7a40x lpd7a40x
> diff --git a/board/davinci/dm365_evm/Makefile b/board/davinci/dm365_evm/Makefile
> new file mode 100644
> index 0000000..a0ed353
> --- /dev/null
> +++ b/board/davinci/dm365_evm/Makefile
> @@ -0,0 +1,52 @@
> +#
> +# (C) Copyright 2000, 2001, 2002
> +# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
> +#
> +# Copyright (C) 2007 Sergey Kubushyn <ksi at koi8.net>
> +#
> +# 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	:= dm365_evm.o
> +SOBJS	:= board_init.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
> +
> +#########################################################################
> +# This is for $(obj).depend target
> +include $(SRCTREE)/rules.mk
> +
> +sinclude $(obj).depend
> +
> +#########################################################################
> diff --git a/board/davinci/dm365_evm/board_init.S b/board/davinci/dm365_evm/board_init.S
> new file mode 100644
> index 0000000..22d8adc
> --- /dev/null
> +++ b/board/davinci/dm365_evm/board_init.S
> @@ -0,0 +1,29 @@
> +/*
> + * Copyright (C) 2007 Sergey Kubushyn <ksi at koi8.net>
> + *
> + * Board-specific low level initialization code. Called at the very end
> + * of cpu/arm926ejs/davinci/lowlevel_init.S. Just returns if there is no
> + * initialization required.
> + *
> + * 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 <config.h>
> +
> +.globl	dv_board_init
> +dv_board_init:
> +
> +	mov	pc, lr
> diff --git a/board/davinci/dm365_evm/config.mk b/board/davinci/dm365_evm/config.mk
> new file mode 100644
> index 0000000..aa89d0e
> --- /dev/null
> +++ b/board/davinci/dm365_evm/config.mk
> @@ -0,0 +1,39 @@
> +#
> +# (C) Copyright 2002
> +# Gary Jennejohn, DENX Software Engineering, <gj at denx.de>
> +# David Mueller, ELSOFT AG, <d.mueller at elsoft.ch>
> +#
> +# (C) Copyright 2003
> +# Texas Instruments, <www.ti.com>
> +# Swaminathan <swami.iyer at ti.com>
> +#
> +# Davinci EVM board (ARM925EJS) cpu
> +# see http://www.ti.com/ for more information on Texas Instruments
> +#
> +# Davinci EVM has 1 bank of 256 MB DDR RAM
> +# Physical Address:
> +# 8000'0000 to 9000'0000
> +#
> +# Copyright (C) 2007 Sergey Kubushyn <ksi at koi8.net>
> +#
> +# Visioneering Corp. Sonata board (ARM926EJS) cpu
> +#
> +# Sonata board has 1 bank of 128 MB DDR RAM
> +# Physical Address:
> +# 8000'0000 to 8800'0000
> +#
> +# Razorstream, LLC. SCHMOOGIE board (ARM926EJS) cpu
> +#
> +# Schmoogie board has 1 bank of 128 MB DDR RAM
> +# Physical Address:
> +# 8000'0000 to 8800'0000
> +#
> +# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000
> +# (mem base + reserved)
> +#
> +# we load ourself to 8108 '0000
> +#
> +#
> +
> +#Provide at least 16MB spacing between us and the Linux Kernel image
> +TEXT_BASE = 0x81080000
> diff --git a/board/davinci/dm365_evm/dm365_evm.c b/board/davinci/dm365_evm/dm365_evm.c
> new file mode 100755
> index 0000000..24b40d0
> --- /dev/null
> +++ b/board/davinci/dm365_evm/dm365_evm.c
> @@ -0,0 +1,97 @@
> +/*
> + *
> + * Copyright (C) 2009 Texas Instruments.
> + *
> + * ----------------------------------------------------------------------------
> + *
> + * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
> + * ----------------------------------------------------------------------------
> + *
> + */
> +#include <common.h>
> +#include <i2c.h>
> +#include <asm/arch/hardware.h>
> +#include <asm/arch/i2c_defs.h>
> +
> +/*******************************************
> + Routine: board_init
> + Description:  Board Initialization routine
> +*******************************************/
> +int board_init(void)
> +{
> +	DECLARE_GLOBAL_DATA_PTR;
> +
> +	/* arch number of DaVinci DM365 */
> +	gd->bd->bi_arch_number = 1939;
please use match type
> +
> +	/* adress of boot parameters */
> +	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
please use RAM_BASE + 0x100 style as the other arm boards
> +
> +	/* Set the Bus Priority Register to appropriate value */
> +	REG(VBPR) = 0x20;
> +
> +	timer_init();
no need please remove
> +
> +	return 0;
> +}
> +
> +
> +/******************************
> + Routine: misc_init_r
> + Description:  Misc. init
> +******************************/
> +int misc_init_r(void)
> +{
> +	int i;
> +	u_int8_t	tmp[20], buf[10];
> +
> +	/* Set Ethernet MAC address from EEPROM */
> +	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x7f00,
> +			CONFIG_SYS_I2C_EEPROM_ADDR_LEN, buf, 6)) {
> +		printf("\nEEPROM @ 0x%02x read FAILED!!!\n",
> +			CONFIG_SYS_I2C_EEPROM_ADDR);
> +	} else {
> +		tmp[0] = 0xff;
> +		for (i = 0; i < 6; i++)
> +			tmp[0] &= buf[i];
> +
> +		if ((tmp[0] != 0xff) && (getenv("ethaddr") == NULL)) {
> +			sprintf((char *)&tmp[0],
> +				 "%02x:%02x:%02x:%02x:%02x:%02x", buf[0],
> +				  buf[1], buf[2], buf[3], buf[4], buf[5]);
> +			setenv("ethaddr", (char *)&tmp[0]);
> +		}
> +	}
Mike up the ethaddr api please took a look
doc/README.enetaddr
> +
> +	if (!eth_hw_init())
> +		printf("ethernet init failed!\n");
if it's board specific please implement board_eth_init
otherwise cpu_eth_init and please take a look on the last ben patches about it
> +
> +	return 0;
> +}
> +
> +/******************************
> + Routine: dram_init
> + Description:  Memory Info
> +******************************/
> +int dram_init(void)
> +{
> +	DECLARE_GLOBAL_DATA_PTR;
> +
> +	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
> +	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
> +
> +	return 0;
> +}
> +
> diff --git a/board/davinci/dm365_evm/u-boot.lds b/board/davinci/dm365_evm/u-boot.lds
> new file mode 100644
> index 0000000..4d50f2c
> --- /dev/null
> +++ b/board/davinci/dm365_evm/u-boot.lds
as mention on other patch
the davinci seems to use all the same lds
please unify it
> @@ -0,0 +1,52 @@
> +/*
> + * (C) Copyright 2002
> + * Gary Jennejohn, DENX Software Engineering, <gj 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
> +

> +#ifndef __CONFIG_H
> +#define __CONFIG_H
> +#include <asm/sizes.h>
> +
> +/*=======*/
> +/* Board */
> +/*=======*/
please use this multiline comment style
/*
 *
 */
> +#define CFG_DM365_EVM
> +#define CONFIG_SYS_USE_NAND
> +#define CONFIG_SOC_DM365
> +/*===================*/
> +/* SoC Configuration */
> +/*===================*/
> +#define CONFIG_ARM926EJS			/* arm926ejs CPU core */
> +#define CONFIG_SYS_CLK_FREQ	297000000	/* Arm Clock frequency */
> +#define CONFIG_SYS_TIMERBASE		0x01c21400	/* use timer 0 */
> +#define CONFIG_SYS_HZ_CLOCK		24000000
> +#define CONFIG_SYS_HZ			1000
> +/*====================================================*/
> +/* EEPROM definitions for the DM365 EVM */
> +/*====================================================*/
> +#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		2
> +#define CONFIG_SYS_I2C_EEPROM_ADDR		0x50
> +#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6
> +#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	20
> +/*=============*/
> +/* Memory Info */
> +/*=============*/
> +#define CONFIG_SYS_MALLOC_LEN		(0x40000 + 128*1024)
> +#define CONFIG_SYS_GBL_DATA_SIZE	128
> +#define CONFIG_SYS_MEMTEST_START	0x82000000
> +#define CONFIG_SYS_MEMTEST_END		0x90000000
> +#define CONFIG_NR_DRAM_BANKS	1		/* we have 1 bank of DRAM */
> +#define CONFIG_STACKSIZE	(256*1024)	/* regular stack */
please add a space before and after '*'
> +#define PHYS_SDRAM_1		0x80000000	/* DDR Start */
> +#define PHYS_SDRAM_1_SIZE	0x8000000	/* DDR size 128MB */
> +/*====================*/
> +/* Serial Driver info */
> +/*====================*/
> +#define CONFIG_SYS_NS16550
> +#define CONFIG_SYS_NS16550_SERIAL
> +#define CONFIG_SYS_NS16550_REG_SIZE	-4
> +#define CONFIG_SYS_NS16550_COM1	0x01c20000	/* Base address of UART0 */
> +#define CONFIG_SYS_NS16550_CLK		24000000
CONFIG_SYS_HZ_CLOCK
> +#define CONFIG_CONS_INDEX	1		/* use UART0 for console */
> +#define CONFIG_BAUDRATE		115200		/* Default baud rate */
> +#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
> +/*===================*/
> +/* I2C Configuration */
> +/*===================*/
> +#define CONFIG_HARD_I2C
> +#define CONFIG_DRIVER_DAVINCI_I2C
> +#define CONFIG_SYS_I2C_SPEED		100000
> +#define CONFIG_SYS_I2C_SLAVE		10
> +/*==================================*/
> +/* Network & Ethernet Configuration */
> +/*==================================*/
> +#define CONFIG_DRIVER_TI_EMAC
please take a look on ben patch
> +#define CONFIG_MII
> +#define CONFIG_BOOTP_DEFAULT
> +#define CONFIG_BOOTP_DNS
> +#define CONFIG_BOOTP_DNS2
> +#define CONFIG_BOOTP_SEND_HOSTNAME
> +#define CONFIG_NET_RETRY_COUNT	10
> +/*=====================*/
> +/* Flash & Environment */
> +/*=====================*/
> +#define CONFIG_NAND_DAVINCI
> +#undef CONFIG_ENV_IS_IN_FLASH
> +#define CONFIG_SYS_NO_FLASH
> +#define CONFIG_ENV_IS_IN_NAND		/* U-Boot env in NAND Flash  */
> +#define CONFIG_ENV_SECT_SIZE	0x40000	/* Env sector Size */
> +#define CONFIG_ENV_SIZE		SZ_256K
> +#define CONFIG_SKIP_LOWLEVEL_INIT	/* U-Boot is loaded by a bootloader */
> +#define CONFIG_SKIP_RELOCATE_UBOOT	/* to a proper address, init done */
> +#define CONFIG_SYS_NAND_BASE		0x02000000
> +#define CONFIG_SYS_NAND_HW_ECC
> +#define CONFIG_SYS_MAX_NAND_DEVICE	2
> +#define CONFIG_ENV_OFFSET		0x3C0000
> +#define CONFIG_SYS_NAND_BASE_LIST      {CONFIG_SYS_NAND_BASE, \
				    ^^^^^^
whitespace please fix
> +					CONFIG_SYS_NAND_BASE + 0x4000}
> +#define DEF_BOOTM		""
???
> +/*==============================*/
> +/* U-Boot general configuration */
> +/*==============================*/
Best Regards,
J.


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