From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Date: Wed, 04 Nov 2009 20:27:24 -0600 Subject: [U-Boot] [PATCH V4 3/4] add TI DA8xx support: Add new directory for da830evm board In-Reply-To: <4AF17FAD.3040908@gefanuc.com> References: <4AF17FAD.3040908@gefanuc.com> Message-ID: <4AF2380C.5060904@windriver.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Nick Thompson wrote: > From: Sekhar Nori > > Add new directory for da830evm board > > Provides initial support for TI OMAP-L137/DA830 SoC devices on a Spectrum > Digital EVM board. See http://www.spectrumdigital.com/ > > Provides: > Initial boot and configuration. > Support for i2c. > UART support (console). > > Signed-off-by: Nick Thompson > --- > Applies to u-boot-ti > > board/davinci/da830evm/Makefile | 51 +++++++++++++++ > board/davinci/da830evm/config.mk | 43 +++++++++++++ > board/davinci/da830evm/da830evm.c | 127 +++++++++++++++++++++++++++++++++++++ > 3 files changed, 221 insertions(+), 0 deletions(-) > > diff --git a/board/davinci/da830evm/Makefile b/board/davinci/da830evm/Makefile > new file mode 100644 > index 0000000..02636fa > --- /dev/null > +++ b/board/davinci/da830evm/Makefile > @@ -0,0 +1,51 @@ > +# > +# (C) Copyright 2000, 2001, 2002 > +# Wolfgang Denk, DENX Software Engineering, wd at denx.de. > +# > +# Copyright (C) 2007 Sergey Kubushyn > +# > +# 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 := da830evm.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 *~ .depend > + > +######################################################################### > +# This is for $(obj).depend target > +include $(SRCTREE)/rules.mk > + > +sinclude $(obj).depend > + > +######################################################################### > diff --git a/board/davinci/da830evm/config.mk b/board/davinci/da830evm/config.mk > new file mode 100644 > index 0000000..6da29a9 > --- /dev/null > +++ b/board/davinci/da830evm/config.mk > @@ -0,0 +1,43 @@ > +# > +# (C) Copyright 2008, Texas Instruments, Inc. http://www.ti.com/ > +# > +# Copyright (C) 2007 Sergey Kubushyn > +# > +# (C) Copyright 2002 > +# Gary Jennejohn, DENX Software Engineering, > +# David Mueller, ELSOFT AG, > +# > +# 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 > +# > + > +# Texas Instruments DA8xx EVM board (ARM925EJS) cpu > +# see http://www.ti.com/ for more information on Texas Instruments > +# > +# DA8xx EVM has 1 bank of 64 MB SDRAM (2 16Meg x16 chips). > +# Physical Address: > +# C000'0000 to C400'0000 > +# > +# Linux-Kernel is expected to be at C000'8000, entry C000'8000 > +# (mem base + reserved) > +# > +# we load ourself to C108 '0000 > + > + > +#Provide at least 16MB spacing between us and the Linux Kernel image > +TEXT_BASE = 0xC1080000 > diff --git a/board/davinci/da830evm/da830evm.c b/board/davinci/da830evm/da830evm.c > new file mode 100644 > index 0000000..e7c3a4e > --- /dev/null > +++ b/board/davinci/da830evm/da830evm.c > @@ -0,0 +1,127 @@ > +/* > + * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. > + * > + * Base on code from TI. Original Notices follow: > + * > + * (C) Copyright 2008, Texas Instruments, Inc. http://www.ti.com/ > + * > + * Modified for DA8xx EVM. > + * > + * Copyright (C) 2007 Sergey Kubushyn > + * > + * Parts are shamelessly stolen from various TI sources, original copyright > + * follows: > + * ----------------------------------------------------------------- > + * > + * Copyright (C) 2004 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 > +#include > +#include > +#include > +#include "../common/misc.h" > + > +DECLARE_GLOBAL_DATA_PTR; > + > +#define PINMUX &DAVINCI_SYSCFG_REGS->pinmux > + Lowercase variables Apply globally. Else looks fine. Tom > +#ifdef CONFIG_SPI_FLASH > +/* SPI0 pin muxer settings */ > +const struct pinmux_config spi0_pins[] = { > + { PINMUX[7], 1, 3 }, > + { PINMUX[7], 1, 4 }, > + { PINMUX[7], 1, 5 }, > + { PINMUX[7], 1, 6 }, > + { PINMUX[7], 1, 7 } > +}; > +#endif > + > +/* UART pin muxer settings */ > +const struct pinmux_config uart_pins[] = { > + { PINMUX[8], 2, 7 }, > + { PINMUX[9], 2, 0 } > +}; > + > +/* I2C pin muxer settings */ > +const struct pinmux_config i2c_pins[] = { > + { PINMUX[9], 2, 3 }, > + { PINMUX[9], 2, 4 } > +}; > + > +int board_init(void) > +{ > +#ifndef CONFIG_USE_IRQ > + /* > + * Mask all IRQs by clearing the global enable and setting > + * the enable clear for all the 90 interrupts. > + */ > + > + writel(0, &DAVINCI_AINTC_REGS->ger); > + > + writel(0, &DAVINCI_AINTC_REGS->hier); > + > + writel(0xffffffff, &DAVINCI_AINTC_REGS->ecr1); > + writel(0xffffffff, &DAVINCI_AINTC_REGS->ecr2); > + writel(0xffffffff, &DAVINCI_AINTC_REGS->ecr3); > +#endif > + > + /* arch number of the board */ > + gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DA830_EVM; > + > + /* address of boot parameters */ > + gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; > + > + /* > + * Power on required peripherals > + * ARM does not have access by default to PSC0 and PSC1 > + * assuming here that the DSP bootloader has set the IOPU > + * such that PSC access is available to ARM > + */ > + lpsc_on(DAVINCI_LPSC_AEMIF); /* NAND, NOR */ > + lpsc_on(DAVINCI_LPSC_SPI0); /* Serial Flash */ > + lpsc_on(DAVINCI_LPSC_EMAC); /* image download */ > + lpsc_on(DAVINCI_LPSC_UART2); /* console */ > + lpsc_on(DAVINCI_LPSC_GPIO); > + > + /* setup the SUSPSRC for ARM to control emulation suspend */ > + writel(readl(&DAVINCI_SYSCFG_REGS->suspsrc) & > + ~(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C | > + DAVINCI_SYSCFG_SUSPSRC_SPI0 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 | > + DAVINCI_SYSCFG_SUSPSRC_UART2), > + &DAVINCI_SYSCFG_REGS->suspsrc); > + > +#ifdef CONFIG_SPI_FLASH > + if (davinci_configure_pin_mux(spi0_pins, ARRAY_SIZE(spi0_pins)) != 0) > + return 1; > +#endif > + > + if (davinci_configure_pin_mux(uart_pins, ARRAY_SIZE(uart_pins)) != 0) > + return 1; > + > + if (davinci_configure_pin_mux(i2c_pins, ARRAY_SIZE(i2c_pins)) != 0) > + return 1; > + > + /* enable the console UART */ > + writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST | > + DAVINCI_UART_PWREMU_MGMT_UTRST), > + &DAVINCI_UART2_CTRL_REGS->pwremu_mgmt); > + > + return(0); > +} > _______________________________________________ > U-Boot mailing list > U-Boot at lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot