arm, davinci: add support for am1808 based enbw_cmc board
- booting from NOR Flash with direct boot method - POST support - LOGBUF support Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Paulraj Sandeep <s-paulraj@ti.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: Igor Grinberg <grinberg@compulab.co.il> Cc: Christian Riesch <christian.riesch@omicron.at>
This commit is contained in:
Heiko Schocher
committed by
Albert ARIBAUD
Albert ARIBAUD
parent
5b51e7f3ca
commit
f7264c36cd
45
board/enbw/enbw_cmc/Makefile
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45
board/enbw/enbw_cmc/Makefile
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@@ -0,0 +1,45 @@
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#
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# (C) Copyright 2000, 2001, 2002
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(BOARD).o
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COBJS := $(BOARD).o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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SOBJS := $(addprefix $(obj),$(SOBJS))
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$(LIB): $(obj).depend $(OBJS) $(SOBJS)
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$(call cmd_link_o_target, $(OBJS) $(SOBJS))
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#########################################################################
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# This is for $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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607
board/enbw/enbw_cmc/enbw_cmc.c
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607
board/enbw/enbw_cmc/enbw_cmc.c
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@@ -0,0 +1,607 @@
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/*
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* (C) Copyright 2011
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* Heiko Schocher, DENX Software Engineering, hs@denx.de.
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*
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* Based on:
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* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
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*
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* Based on da830evm.c. Original Copyrights follow:
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*
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* Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
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* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <common.h>
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#include <command.h>
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#include <environment.h>
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#include <hwconfig.h>
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#include <i2c.h>
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#include <malloc.h>
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#include <miiphy.h>
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#include <mmc.h>
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#include <net.h>
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#include <netdev.h>
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#include <asm/gpio.h>
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#include <asm/io.h>
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#include <asm/arch/da850_lowlevel.h>
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#include <asm/arch/davinci_misc.h>
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#include <asm/arch/emif_defs.h>
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#include <asm/arch/emac_defs.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/pinmux_defs.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/sdmmc_defs.h>
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#include <asm/arch/timer_defs.h>
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DECLARE_GLOBAL_DATA_PTR;
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static const struct lpsc_resource lpsc[] = {
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{ DAVINCI_LPSC_AEMIF },
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{ DAVINCI_LPSC_SPI1 },
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{ DAVINCI_LPSC_ARM_RAM_ROM },
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{ DAVINCI_LPSC_UART0 },
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{ DAVINCI_LPSC_EMAC },
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{ DAVINCI_LPSC_UART0 },
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{ DAVINCI_LPSC_GPIO },
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{ DAVINCI_LPSC_DDR_EMIF },
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{ DAVINCI_LPSC_UART1 },
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{ DAVINCI_LPSC_UART2 },
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{ DAVINCI_LPSC_MMC_SD1 },
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{ DAVINCI_LPSC_USB20 },
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{ DAVINCI_LPSC_USB11 },
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};
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static const struct pinmux_config enbw_pins[] = {
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{ pinmux(0), 8, 0 },
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{ pinmux(0), 8, 1 },
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{ pinmux(0), 8, 2 },
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{ pinmux(0), 8, 3 },
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{ pinmux(0), 8, 4 },
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{ pinmux(0), 8, 5 },
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{ pinmux(1), 4, 0 },
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{ pinmux(1), 8, 1 },
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{ pinmux(1), 8, 2 },
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{ pinmux(1), 8, 3 },
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{ pinmux(1), 8, 4 },
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{ pinmux(1), 8, 5 },
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{ pinmux(1), 8, 6 },
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{ pinmux(1), 4, 7 },
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{ pinmux(2), 8, 0 },
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{ pinmux(5), 1, 0 },
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{ pinmux(5), 1, 3 },
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{ pinmux(5), 1, 7 },
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{ pinmux(6), 1, 0 },
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{ pinmux(6), 1, 1 },
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{ pinmux(6), 8, 2 },
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{ pinmux(6), 8, 3 },
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{ pinmux(6), 1, 4 },
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{ pinmux(6), 8, 5 },
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{ pinmux(6), 1, 7 },
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{ pinmux(7), 8, 2 },
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{ pinmux(7), 1, 3 },
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{ pinmux(7), 1, 6 },
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{ pinmux(7), 1, 7 },
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{ pinmux(13), 8, 2 },
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{ pinmux(13), 8, 3 },
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{ pinmux(13), 8, 4 },
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{ pinmux(13), 8, 5 },
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{ pinmux(13), 8, 6 },
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{ pinmux(13), 8, 7 },
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{ pinmux(14), 8, 0 },
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{ pinmux(14), 8, 1 },
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{ pinmux(16), 8, 1 },
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{ pinmux(16), 8, 2 },
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{ pinmux(16), 8, 3 },
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{ pinmux(16), 8, 4 },
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{ pinmux(16), 8, 5 },
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{ pinmux(16), 8, 6 },
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{ pinmux(16), 8, 7 },
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{ pinmux(17), 1, 0 },
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{ pinmux(17), 1, 1 },
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{ pinmux(17), 1, 2 },
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{ pinmux(17), 8, 3 },
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{ pinmux(17), 8, 4 },
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{ pinmux(17), 8, 5 },
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{ pinmux(17), 8, 6 },
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{ pinmux(17), 8, 7 },
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{ pinmux(18), 8, 0 },
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{ pinmux(18), 8, 1 },
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{ pinmux(18), 2, 2 },
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{ pinmux(18), 2, 3 },
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{ pinmux(18), 2, 4 },
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{ pinmux(18), 8, 6 },
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{ pinmux(18), 8, 7 },
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{ pinmux(19), 8, 0 },
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{ pinmux(19), 2, 1 },
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{ pinmux(19), 2, 2 },
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{ pinmux(19), 2, 3 },
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{ pinmux(19), 2, 4 },
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{ pinmux(19), 8, 5 },
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{ pinmux(19), 8, 6 },
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};
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const struct pinmux_resource pinmuxes[] = {
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PINMUX_ITEM(emac_pins_mii),
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PINMUX_ITEM(emac_pins_mdio),
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PINMUX_ITEM(i2c0_pins),
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PINMUX_ITEM(emifa_pins_cs2),
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PINMUX_ITEM(emifa_pins_cs3),
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PINMUX_ITEM(emifa_pins_cs4),
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PINMUX_ITEM(emifa_pins_nand),
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PINMUX_ITEM(emifa_pins_nor),
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PINMUX_ITEM(spi1_pins_base),
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PINMUX_ITEM(spi1_pins_scs0),
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PINMUX_ITEM(uart1_pins_txrx),
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PINMUX_ITEM(uart2_pins_txrx),
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PINMUX_ITEM(uart2_pins_rtscts),
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PINMUX_ITEM(enbw_pins),
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};
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const int pinmuxes_size = ARRAY_SIZE(pinmuxes);
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struct gpio_config {
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char name[GPIO_NAME_SIZE];
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unsigned char bank;
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unsigned char gpio;
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unsigned char out;
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unsigned char value;
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};
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static const struct gpio_config enbw_gpio_config[] = {
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{ "RS485 enable", 8, 11, 1, 0 },
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{ "RS485 iso", 8, 10, 1, 0 },
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{ "W2HUT RS485 Rx ena", 8, 9, 1, 0 },
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{ "W2HUT RS485 iso", 8, 8, 1, 0 },
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{ "LAN reset", 7, 15, 1, 1 },
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{ "ena 11V PLC", 7, 14, 1, 0 },
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{ "ena 1.5V PLC", 7, 13, 1, 0 },
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{ "disable VBUS", 7, 12, 1, 1 },
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{ "PLC reset", 6, 13, 1, 1 },
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{ "LCM RS", 6, 12, 1, 0 },
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{ "LCM R/W", 6, 11, 1, 0 },
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{ "PLC pairing", 6, 10, 1, 1 },
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{ "PLC MDIO CLK", 6, 9, 1, 0 },
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{ "HK218", 6, 8, 1, 0 },
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{ "HK218 Rx", 6, 1, 1, 1 },
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{ "TPM reset", 6, 0, 1, 1 },
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{ "LCM E", 2, 2, 1, 1 },
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{ "PV-IF RxD ena", 0, 15, 1, 1 },
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{ "LED1", 1, 15, 1, 1 },
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{ "LED2", 0, 1, 1, 1 },
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{ "LED3", 0, 2, 1, 1 },
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{ "LED4", 0, 3, 1, 1 },
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{ "LED5", 0, 4, 1, 1 },
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{ "LED6", 0, 5, 1, 0 },
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{ "LED7", 0, 6, 1, 0 },
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{ "LED8", 0, 14, 1, 0 },
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{ "USER1", 0, 12, 0, 0 },
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{ "USER2", 0, 13, 0, 0 },
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};
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#define PHY_POWER 0x0800
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static void enbw_cmc_switch(int port, int on)
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{
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const char *devname;
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unsigned char phyaddr = 3;
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unsigned char reg = 0;
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unsigned short data;
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if (port == 1)
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phyaddr = 2;
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devname = miiphy_get_current_dev();
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if (!devname) {
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printf("Error: no mii device\n");
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return;
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}
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if (miiphy_read(devname, phyaddr, reg, &data) != 0) {
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printf("Error reading from the PHY addr=%02x reg=%02x\n",
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phyaddr, reg);
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return;
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}
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if (on)
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data &= ~PHY_POWER;
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else
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data |= PHY_POWER;
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if (miiphy_write(devname, phyaddr, reg, data) != 0) {
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printf("Error writing to the PHY addr=%02x reg=%02x\n",
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phyaddr, reg);
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return;
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}
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}
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int board_init(void)
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{
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int i, ret;
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#ifndef CONFIG_USE_IRQ
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irq_init();
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#endif
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/* address of boot parameters, not used as booting with DTT */
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gd->bd->bi_boot_params = 0;
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for (i = 0; i < ARRAY_SIZE(enbw_gpio_config); i++) {
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int gpio = enbw_gpio_config[i].bank * 16 +
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enbw_gpio_config[i].gpio;
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ret = gpio_request(gpio, enbw_gpio_config[i].name);
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if (ret) {
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printf("%s: Could not get %s gpio\n", __func__,
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enbw_gpio_config[i].name);
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return -1;
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}
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if (enbw_gpio_config[i].out)
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gpio_direction_output(gpio,
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enbw_gpio_config[i].value);
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else
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gpio_direction_input(gpio);
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}
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/* setup the SUSPSRC for ARM to control emulation suspend */
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clrbits_le32(&davinci_syscfg_regs->suspsrc,
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(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C |
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DAVINCI_SYSCFG_SUSPSRC_SPI1 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 |
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DAVINCI_SYSCFG_SUSPSRC_UART2));
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return 0;
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}
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#ifdef CONFIG_DRIVER_TI_EMAC
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/*
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* Initializes on-board ethernet controllers.
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*/
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int board_eth_init(bd_t *bis)
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{
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#ifdef CONFIG_DRIVER_TI_EMAC
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davinci_emac_mii_mode_sel(0);
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#endif /* CONFIG_DRIVER_TI_EMAC */
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if (!davinci_emac_initialize()) {
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printf("Error: Ethernet init failed!\n");
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return -1;
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}
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if (hwconfig_subarg_cmp("switch", "lan", "on"))
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/* Switch port lan on */
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enbw_cmc_switch(1, 1);
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else
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enbw_cmc_switch(1, 0);
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if (hwconfig_subarg_cmp("switch", "pwl", "on"))
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/* Switch port pwl on */
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enbw_cmc_switch(2, 1);
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else
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enbw_cmc_switch(2, 0);
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return 0;
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}
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#endif /* CONFIG_DRIVER_TI_EMAC */
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#ifdef CONFIG_PREBOOT
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static uchar kbd_magic_prefix[] = "key_magic_";
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static uchar kbd_command_prefix[] = "key_cmd_";
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struct kbd_data_t {
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char s1;
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};
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struct kbd_data_t *get_keys(struct kbd_data_t *kbd_data)
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{
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/* read SW1 + SW2 */
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kbd_data->s1 = gpio_get_value(12) +
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(gpio_get_value(13) << 1);
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return kbd_data;
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}
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static int compare_magic(const struct kbd_data_t *kbd_data, char *str)
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{
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char s1 = str[0];
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if (s1 >= '0' && s1 <= '9')
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s1 -= '0';
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else if (s1 >= 'a' && s1 <= 'f')
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s1 = s1 - 'a' + 10;
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else if (s1 >= 'A' && s1 <= 'F')
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s1 = s1 - 'A' + 10;
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else
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return -1;
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if (s1 != kbd_data->s1)
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return -1;
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return 0;
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}
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static char *key_match(const struct kbd_data_t *kbd_data)
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{
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char magic[sizeof(kbd_magic_prefix) + 1];
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char *suffix;
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char *kbd_magic_keys;
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/*
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* The following string defines the characters that can be appended
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* to "key_magic" to form the names of environment variables that
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* hold "magic" key codes, i. e. such key codes that can cause
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* pre-boot actions. If the string is empty (""), then only
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* "key_magic" is checked (old behaviour); the string "125" causes
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* checks for "key_magic1", "key_magic2" and "key_magic5", etc.
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*/
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kbd_magic_keys = getenv("magic_keys");
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if (kbd_magic_keys == NULL)
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kbd_magic_keys = "";
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/*
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* loop over all magic keys;
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* use '\0' suffix in case of empty string
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*/
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for (suffix = kbd_magic_keys; *suffix ||
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suffix == kbd_magic_keys; ++suffix) {
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sprintf(magic, "%s%c", kbd_magic_prefix, *suffix);
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if (compare_magic(kbd_data, getenv(magic)) == 0) {
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char cmd_name[sizeof(kbd_command_prefix) + 1];
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char *cmd;
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sprintf(cmd_name, "%s%c", kbd_command_prefix, *suffix);
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cmd = getenv(cmd_name);
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return cmd;
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}
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}
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return NULL;
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}
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#endif /* CONFIG_PREBOOT */
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int misc_init_r(void)
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{
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char *s, buf[32];
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#ifdef CONFIG_PREBOOT
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struct kbd_data_t kbd_data;
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/* Decode keys */
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char *str = strdup(key_match(get_keys(&kbd_data)));
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/* Set or delete definition */
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setenv("preboot", str);
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free(str);
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#endif /* CONFIG_PREBOOT */
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/* count all restarts, and save this in an environment var */
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s = getenv("restartcount");
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if (s)
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sprintf(buf, "%ld", simple_strtoul(s, NULL, 10) + 1);
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else
|
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strcpy(buf, "1");
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setenv("restartcount", buf);
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saveenv();
|
||||
|
||||
#ifdef CONFIG_HW_WATCHDOG
|
||||
davinci_hw_watchdog_enable();
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#endif
|
||||
|
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return 0;
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||||
}
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|
||||
struct cmc_led {
|
||||
char name[20];
|
||||
unsigned char bank;
|
||||
unsigned char gpio;
|
||||
};
|
||||
|
||||
struct cmc_led led_table[] = {
|
||||
{"led1", 1, 15},
|
||||
{"led2", 0, 1},
|
||||
{"led3", 0, 2},
|
||||
{"led4", 0, 3},
|
||||
{"led5", 0, 4},
|
||||
{"led6", 0, 5},
|
||||
{"led7", 0, 6},
|
||||
{"led8", 0, 14},
|
||||
};
|
||||
|
||||
static int cmc_get_led_state(struct cmc_led *led)
|
||||
{
|
||||
int value;
|
||||
int gpio = led->bank * 16 + led->gpio;
|
||||
|
||||
value = gpio_get_value(gpio);
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
static int cmc_set_led_state(struct cmc_led *led, int state)
|
||||
{
|
||||
int gpio = led->bank * 16 + led->gpio;
|
||||
|
||||
gpio_set_value(gpio, state);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int do_led(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
|
||||
{
|
||||
struct cmc_led *led;
|
||||
int found = 0;
|
||||
int i = 0;
|
||||
int only_print = 0;
|
||||
int len = ARRAY_SIZE(led_table);
|
||||
|
||||
if (argc < 2)
|
||||
return cmd_usage(cmdtp);
|
||||
|
||||
if (argc < 3)
|
||||
only_print = 1;
|
||||
|
||||
led = led_table;
|
||||
while ((!found) && (i < len)) {
|
||||
if (strcmp(argv[1], led->name) == 0) {
|
||||
found = 1;
|
||||
} else {
|
||||
led++;
|
||||
i++;
|
||||
}
|
||||
}
|
||||
if (!found)
|
||||
return cmd_usage(cmdtp);
|
||||
|
||||
if (only_print) {
|
||||
if (cmc_get_led_state(led))
|
||||
printf("on\n");
|
||||
else
|
||||
printf("off\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
if (strcmp(argv[2], "on") == 0)
|
||||
cmc_set_led_state(led, 1);
|
||||
else
|
||||
cmc_set_led_state(led, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
U_BOOT_CMD(led, 3, 1, do_led,
|
||||
"switch on/off board led",
|
||||
"[name] [on/off]"
|
||||
);
|
||||
|
||||
#ifdef CONFIG_HW_WATCHDOG
|
||||
void hw_watchdog_reset(void)
|
||||
{
|
||||
davinci_hw_watchdog_reset();
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_POST)
|
||||
void arch_memory_failure_handle(void)
|
||||
{
|
||||
struct davinci_gpio *gpio = davinci_gpio_bank01;
|
||||
int state = 1;
|
||||
|
||||
/*
|
||||
* if memor< failure blink with the LED 1,2 and 3
|
||||
* as we running from flash, we cannot use the gpio
|
||||
* api here, so access the gpio pin direct through
|
||||
* the gpio register.
|
||||
*/
|
||||
while (1) {
|
||||
if (state) {
|
||||
clrbits_le32(&gpio->out_data, 0x80000006);
|
||||
state = 0;
|
||||
} else {
|
||||
setbits_le32(&gpio->out_data, 0x80000006);
|
||||
state = 1;
|
||||
}
|
||||
udelay(500);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_BOOTCOUNT_LIMIT)
|
||||
void bootcount_store(ulong a)
|
||||
{
|
||||
struct davinci_rtc *reg =
|
||||
(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
|
||||
|
||||
/*
|
||||
* write RTC kick register to enable write
|
||||
* for RTC Scratch registers. Cratch0 and 1 are
|
||||
* used for bootcount values.
|
||||
*/
|
||||
out_be32(®->kick0r, RTC_KICK0R_WE);
|
||||
out_be32(®->kick1r, RTC_KICK1R_WE);
|
||||
out_be32(®->scratch0, a);
|
||||
out_be32(®->scratch1, BOOTCOUNT_MAGIC);
|
||||
}
|
||||
|
||||
ulong bootcount_load(void)
|
||||
{
|
||||
struct davinci_rtc *reg =
|
||||
(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
|
||||
|
||||
if (in_be32(®->scratch1) != BOOTCOUNT_MAGIC)
|
||||
return 0;
|
||||
else
|
||||
return in_be32(®->scratch0);
|
||||
}
|
||||
#endif
|
||||
|
||||
void board_gpio_init(void)
|
||||
{
|
||||
struct davinci_gpio *gpio = davinci_gpio_bank01;
|
||||
|
||||
/*
|
||||
* 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
|
||||
*/
|
||||
if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc)))
|
||||
return;
|
||||
|
||||
/*
|
||||
* set LED (gpio Interface not usable here)
|
||||
* set LED pins to output and state 0
|
||||
*/
|
||||
clrbits_le32(&gpio->dir, 0x8000407e);
|
||||
clrbits_le32(&gpio->out_data, 0x8000407e);
|
||||
/* set LED 1 - 5 to state on */
|
||||
setbits_le32(&gpio->out_data, 0x8000001e);
|
||||
}
|
||||
|
||||
int board_late_init(void)
|
||||
{
|
||||
cmc_set_led_state(&led_table[4], 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void show_boot_progress(int val)
|
||||
{
|
||||
switch (val) {
|
||||
case 1:
|
||||
cmc_set_led_state(&led_table[4], 1);
|
||||
break;
|
||||
case 4:
|
||||
cmc_set_led_state(&led_table[4], 0);
|
||||
break;
|
||||
case 15:
|
||||
cmc_set_led_state(&led_table[4], 1);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef CONFIG_DAVINCI_MMC
|
||||
static struct davinci_mmc mmc_sd1 = {
|
||||
.reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
|
||||
.input_clk = 228000000,
|
||||
.host_caps = MMC_MODE_4BIT,
|
||||
.voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
|
||||
.version = MMC_CTLR_VERSION_2,
|
||||
};
|
||||
|
||||
int board_mmc_init(bd_t *bis)
|
||||
{
|
||||
mmc_sd1.input_clk = clk_get(DAVINCI_MMC_CLKID);
|
||||
/* Add slot-0 to mmc subsystem */
|
||||
return davinci_mmc_init(bis, &mmc_sd1);
|
||||
}
|
||||
#endif
|
||||
Reference in New Issue
Block a user