diff options
| -rw-r--r-- | Makefile | 1 | ||||
| -rw-r--r-- | board/omap3/zoom1/zoom1.c | 9 | ||||
| -rw-r--r-- | board/omap3/zoom2/zoom2.c | 14 | ||||
| -rw-r--r-- | drivers/power/Makefile | 47 | ||||
| -rw-r--r-- | drivers/power/twl4030.c | 47 | ||||
| -rw-r--r-- | include/configs/omap3_zoom1.h | 5 | ||||
| -rw-r--r-- | include/configs/omap3_zoom2.h | 5 | ||||
| -rw-r--r-- | include/twl4030.h | 3 |
8 files changed, 131 insertions, 0 deletions
@@ -221,6 +221,7 @@ LIBS += drivers/net/phy/libphy.a LIBS += drivers/net/sk98lin/libsk98lin.a LIBS += drivers/pci/libpci.a LIBS += drivers/pcmcia/libpcmcia.a +LIBS += drivers/power/libpower.a LIBS += drivers/spi/libspi.a ifeq ($(CPU),mpc83xx) LIBS += drivers/qe/qe.a diff --git a/board/omap3/zoom1/zoom1.c b/board/omap3/zoom1/zoom1.c index db4d087..94437d5 100644 --- a/board/omap3/zoom1/zoom1.c +++ b/board/omap3/zoom1/zoom1.c @@ -31,6 +31,7 @@ * MA 02111-1307 USA */ #include <common.h> +#include <twl4030.h> #include <asm/io.h> #include <asm/arch/mux.h> #include <asm/arch/sys_proto.h> @@ -62,6 +63,14 @@ int misc_init_r(void) { power_init_r(); dieid_num_r(); + + /* + * Board Reset + * The board is reset by holding the red button on the + * top right front face for eight seconds. + */ + twl4030_power_reset_init(); + return 0; } diff --git a/board/omap3/zoom2/zoom2.c b/board/omap3/zoom2/zoom2.c index 08fdafb..d0fd55b 100644 --- a/board/omap3/zoom2/zoom2.c +++ b/board/omap3/zoom2/zoom2.c @@ -32,6 +32,7 @@ #ifdef CONFIG_STATUS_LED #include <status_led.h> #endif +#include <twl4030.h> #include <asm/io.h> #include <asm/arch/gpio.h> #include <asm/arch/mem.h> @@ -156,6 +157,19 @@ int misc_init_r(void) zoom2_identify(); power_init_r(); dieid_num_r(); + + /* + * Board Reset + * The board is reset by holding the the large button + * on the top right side of the main board for + * eight seconds. + * + * There are reported problems of some beta boards + * continously resetting. For those boards, disable resetting. + */ + if (ZOOM2_REVISION_PRODUCTION <= zoom2_get_revision()) + twl4030_power_reset_init(); + return 0; } diff --git a/drivers/power/Makefile b/drivers/power/Makefile new file mode 100644 index 0000000..dd06514 --- /dev/null +++ b/drivers/power/Makefile @@ -0,0 +1,47 @@ +# +# Copyright (c) 2009 Wind River Systems, Inc. +# Tom Rix <Tom.Rix at windriver.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 +# + +include $(TOPDIR)/config.mk + +LIB := $(obj)libpower.a + +COBJS-$(CONFIG_TWL4030_POWER) += twl4030.o + +COBJS := $(COBJS-y) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(LIB) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################## diff --git a/drivers/power/twl4030.c b/drivers/power/twl4030.c new file mode 100644 index 0000000..70d4eeb --- /dev/null +++ b/drivers/power/twl4030.c @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix at windriver.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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * Derived from code on omapzoom, git://git.omapzoom.com/repo/u-boot.git + * + * Copyright (C) 2007-2009 Texas Instruments, Inc. + */ + +#include <twl4030.h> + +/* + * Power Reset + */ +void twl4030_power_reset_init(void) +{ + u8 val = 0; + if (twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER, &val, + TWL4030_PM_MASTER_P1_SW_EVENTS)) { + printf("Error:TWL4030: failed to read the power register\n"); + printf("Could not initialize hardware reset\n"); + } else { + val |= TWL4030_PM_MASTER_SW_EVENTS_STOPON_PWRON; + if (twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER, val, + TWL4030_PM_MASTER_P1_SW_EVENTS)) { + printf("Error:TWL4030: failed to write the power register\n"); + printf("Could not initialize hardware reset\n"); + } + } +} + + diff --git a/include/configs/omap3_zoom1.h b/include/configs/omap3_zoom1.h index 4034ea4..a4eb7fd 100644 --- a/include/configs/omap3_zoom1.h +++ b/include/configs/omap3_zoom1.h @@ -126,6 +126,11 @@ #define CONFIG_DRIVER_OMAP34XX_I2C 1 /* + * TWL4030 + */ +#define CONFIG_TWL4030_POWER 1 + +/* * Board NAND Info. */ #define CONFIG_NAND_OMAP_GPMC diff --git a/include/configs/omap3_zoom2.h b/include/configs/omap3_zoom2.h index 701a296..534eecd 100644 --- a/include/configs/omap3_zoom2.h +++ b/include/configs/omap3_zoom2.h @@ -147,6 +147,11 @@ #define CONFIG_DRIVER_OMAP34XX_I2C 1 /* + * TWL4030 + */ +#define CONFIG_TWL4030_POWER 1 + +/* * Board NAND Info. */ #define CONFIG_NAND_OMAP_GPMC diff --git a/include/twl4030.h b/include/twl4030.h index c304b54..e7c90b6 100644 --- a/include/twl4030.h +++ b/include/twl4030.h @@ -242,4 +242,7 @@ static inline int twl4030_i2c_read_u8(u8 chip_no, u8 *val, u8 reg) return i2c_read(chip_no, reg, 1, val, 1); } +/* For hardware resetting */ +void twl4030_power_reset_init(void); + #endif /* TWL4030_H */ |