/onenand_ipl/onenand-ipl*
/onenand_ipl/board/*/onenand*
/onenand_ipl/board/*/*.S
+
+# spl ais files
+/spl/*.ais
D: Support for NetSilicon NS7520
D: Support for ColdFire MCF5275
+N: Jeremy C. Andrus
+E: jeremy@jeremya.com
+D: ColdFire MCF5249 initialization code
+W: jeremya.com
+
N: Michal Simek
E: monstr@monstr.eu
D: Support for Microblaze, ML401, XUPV2P board
IPHASE4539 MPC8260
SCM MPC8260
+Anatolij Gustschin <agust@denx.de>
+
+ O2D MPC5200
+ O2D300 MPC5200
+ O2DNT2 MPC5200
+ O2I MPC5200
+ O2MNT MPC5200
+ O3DNT MPC5200
+
Rob Herring <rob.herring@calxeda.com>
highbank highbank
KUP4K MPC855
KUP4X MPC859
-Ilko Iliev <iliev@ronetix.at>
-
- PM9261 AT91SAM9261
- PM9263 AT91SAM9263
- PM9G45 ARM926EJS (AT91SAM9G45 SoC)
-
Gary Jennejohn <garyj@denx.de>
quad100hd PPC405EP
Andreas Bießmann <andreas.devel@gmail.com>
at91rm9200ek at91rm9200
- grasshopper avr32
Cliff Brake <cliff.brake@gmail.com>
meesc ARM926EJS (AT91SAM9263 SoC)
otc570 ARM926EJS (AT91SAM9263 SoC)
-Sedji Gaouaou<sedji.gaouaou@atmel.com>
+Bo Shen<voice.shen@atmel.com>
at91sam9g10ek ARM926EJS (AT91SAM9G10 SoC)
at91sam9m10g45ek ARM926EJS (AT91SAM9G45 SoC)
am3517_evm ARM ARMV7 (AM35x SoC)
+Markus Hubig <mhubig@imko.de>
+
+ STAMP9G20 ARM926EJS
+
Grazvydas Ignotas <notasas@gmail.com>
omap3_pandora ARM ARMV7 (OMAP3xx SoC)
+Ilko Iliev <iliev@ronetix.at>
+
+ PM9261 AT91SAM9261
+ PM9263 AT91SAM9263
+ PM9G45 ARM926EJS (AT91SAM9G45 SoC)
+
Michael Jones <michael.jones@matrix-vision.de>
omap3_mvblx ARM ARMV7 (OMAP3xx SoC)
integratorap various
integratorcp various
+Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
+
+ apx4devkit i.MX28
+
Luka Perkov <uboot@lukaperkov.net>
ib62x0 ARM926EJS
omap730p2 ARM926EJS
+Mathieu Poirier <mathieu.poirier@linaro.org>
+
+ snowball ARM ARMV7 (u8500 SoC)
+
Stelian Pop <stelian@popies.net>
at91sam9260ek ARM926EJS (AT91SAM9260 SoC)
Thierry Reding <thierry.reding@avionic-design.de>
- plutux Tegra2 (ARM7 & A9 Dual Core)
- medcom Tegra2 (ARM7 & A9 Dual Core)
- tec Tegra2 (ARM7 & A9 Dual Core)
+ plutux Tegra20 (ARM7 & A9 Dual Core)
+ medcom Tegra20 (ARM7 & A9 Dual Core)
+ tec Tegra20 (ARM7 & A9 Dual Core)
Christian Riesch <christian.riesch@omicron.at>
Manfred Rudigier <manfred.rudigier@omicron.at>
actux4 xscale/ixp
dvlhost xscale/ixp
+Matt Sealey <matt@genesi-usa.com>
+
+ efikamx i.MX51
+ efikasb i.MX51
+
+Bo Shen <voice.shen@atmel.com>
+ at91sam9x5ek ARM926EJS (AT91SAM9G15,G25,G35,X25,X35 SoC)
+
Nick Thompson <nick.thompson@gefanuc.com>
da830evm ARM926EJS (DA830/OMAP-L137)
vpac270 xscale/pxa
zipitz2 xscale/pxa
m28evk i.MX28
- efikamx i.MX51
- efikasb i.MX51
+ sc_sps_1 i.MX28
Hugo Villeneuve <hugo.villeneuve@lyrtech.com>
Tom Warren <twarren@nvidia.com>
- harmony Tegra2 (ARM7 & A9 Dual Core)
- seaboard Tegra2 (ARM7 & A9 Dual Core)
+ harmony Tegra20 (ARM7 & A9 Dual Core)
+ seaboard Tegra20 (ARM7 & A9 Dual Core)
Tom Warren <twarren@nvidia.com>
Stephen Warren <swarren@nvidia.com>
- ventana Tegra2 (ARM7 & A9 Dual Core)
- paz00 Tegra2 (ARM7 & A9 Dual Core)
- trimslice Tegra2 (ARM7 & A9 Dual Core)
- whistler Tegra2 (ARM7 & A9 Dual Core)
+ ventana Tegra20 (ARM7 & A9 Dual Core)
+ paz00 Tegra20 (ARM7 & A9 Dual Core)
+ trimslice Tegra20 (ARM7 & A9 Dual Core)
+ whistler Tegra20 (ARM7 & A9 Dual Core)
+
+Stephen Warren <swarren@wwwdotorg.org>
+
+ rpi_b BCM2835 (ARM1176)
Thomas Weber <weber@corscience.de>
# Board CPU #
#########################################################################
+Andreas Bießmann <andreas.devel@googlemail.com>
+ grasshopper AT32AP7000
+
Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
FAVR-32-EZKIT AT32AP7000
-c|--cpu)
# echo "Option CPU: argument \`$2'"
if [ "$opt_c" ] ; then
- opt_c="${opt_c%)} || \$3 == \"$2\")"
+ opt_c="${opt_c%)} || \$3 == \"$2\" || \$3 ~ /$2:/)"
else
- opt_c="(\$3 == \"$2\")"
+ opt_c="(\$3 == \"$2\" || \$3 ~ /$2:/)"
fi
SELECTED='y'
shift 2 ;;
# Helper funcs for parsing boards.cfg
boards_by_field()
{
+ FS="[ \t]+"
+ [ -n "$3" ] && FS="$3"
awk \
-v field="$1" \
-v select="$2" \
+ -F "$FS" \
'($1 !~ /^#/ && $field == select) { print $1 }' \
boards.cfg
}
boards_by_arch() { boards_by_field 2 "$@" ; }
-boards_by_cpu() { boards_by_field 3 "$@" ; }
+boards_by_cpu() { boards_by_field 3 "$@" "[: \t]+" ; }
boards_by_soc() { boards_by_field 6 "$@" ; }
#########################################################################
OBJS := $(addprefix $(obj),$(OBJS))
-LIBS = lib/libgeneric.o
-LIBS += lib/lzma/liblzma.o
-LIBS += lib/lzo/liblzo.o
-LIBS += lib/zlib/libz.o
-ifeq ($(CONFIG_TIZEN),y)
-LIBS += lib/tizen/libtizen.o
-endif
-LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \
- "board/$(VENDOR)/common/lib$(VENDOR).o"; fi)
-LIBS += $(CPUDIR)/lib$(CPU).o
+HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
+
+LIBS-y += lib/libgeneric.o
+LIBS-y += lib/lzma/liblzma.o
+LIBS-y += lib/lzo/liblzo.o
+LIBS-y += lib/zlib/libz.o
+LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o
+LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
+LIBS-y += $(CPUDIR)/lib$(CPU).o
ifdef SOC
-LIBS += $(CPUDIR)/$(SOC)/lib$(SOC).o
+LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
endif
ifeq ($(CPU),ixp)
-LIBS += arch/arm/cpu/ixp/npe/libnpe.o
+LIBS-y += arch/arm/cpu/ixp/npe/libnpe.o
endif
-ifeq ($(CONFIG_OF_EMBED),y)
-LIBS += dts/libdts.o
-endif
-LIBS += arch/$(ARCH)/lib/lib$(ARCH).o
-LIBS += fs/cramfs/libcramfs.o fs/fat/libfat.o fs/fdos/libfdos.o fs/jffs2/libjffs2.o \
+LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o
+LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
+LIBS-y += fs/cramfs/libcramfs.o fs/fat/libfat.o fs/fdos/libfdos.o fs/jffs2/libjffs2.o \
fs/reiserfs/libreiserfs.o fs/ext2/libext2fs.o fs/yaffs2/libyaffs2.o \
fs/ubifs/libubifs.o fs/zfs/libzfs.o
-LIBS += net/libnet.o
-LIBS += disk/libdisk.o
-LIBS += drivers/bios_emulator/libatibiosemu.o
-LIBS += drivers/block/libblock.o
-LIBS += drivers/dma/libdma.o
-LIBS += drivers/fpga/libfpga.o
-LIBS += drivers/gpio/libgpio.o
-LIBS += drivers/hwmon/libhwmon.o
-LIBS += drivers/i2c/libi2c.o
-LIBS += drivers/input/libinput.o
-LIBS += drivers/misc/libmisc.o
-LIBS += drivers/mmc/libmmc.o
-LIBS += drivers/mtd/libmtd.o
-LIBS += drivers/mtd/nand/libnand.o
-LIBS += drivers/mtd/onenand/libonenand.o
-LIBS += drivers/mtd/ubi/libubi.o
-LIBS += drivers/mtd/spi/libspi_flash.o
-LIBS += drivers/net/libnet.o
-LIBS += drivers/net/phy/libphy.o
-LIBS += drivers/pci/libpci.o
-LIBS += drivers/pcmcia/libpcmcia.o
-LIBS += drivers/power/libpower.o
-LIBS += drivers/spi/libspi.o
+LIBS-y += net/libnet.o
+LIBS-y += disk/libdisk.o
+LIBS-y += drivers/bios_emulator/libatibiosemu.o
+LIBS-y += drivers/block/libblock.o
+LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o
+LIBS-y += drivers/dma/libdma.o
+LIBS-y += drivers/fpga/libfpga.o
+LIBS-y += drivers/gpio/libgpio.o
+LIBS-y += drivers/hwmon/libhwmon.o
+LIBS-y += drivers/i2c/libi2c.o
+LIBS-y += drivers/input/libinput.o
+LIBS-y += drivers/misc/libmisc.o
+LIBS-y += drivers/mmc/libmmc.o
+LIBS-y += drivers/mtd/libmtd.o
+LIBS-y += drivers/mtd/nand/libnand.o
+LIBS-y += drivers/mtd/onenand/libonenand.o
+LIBS-y += drivers/mtd/ubi/libubi.o
+LIBS-y += drivers/mtd/spi/libspi_flash.o
+LIBS-y += drivers/net/libnet.o
+LIBS-y += drivers/net/phy/libphy.o
+LIBS-y += drivers/pci/libpci.o
+LIBS-y += drivers/pcmcia/libpcmcia.o
+LIBS-y += drivers/power/libpower.o
+LIBS-y += drivers/spi/libspi.o
ifeq ($(CPU),mpc83xx)
-LIBS += drivers/qe/libqe.o
-LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
-LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
+LIBS-y += drivers/qe/libqe.o
+LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
+LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
endif
ifeq ($(CPU),mpc85xx)
-LIBS += drivers/qe/libqe.o
-LIBS += drivers/net/fm/libfm.o
-LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
-LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
+LIBS-y += drivers/qe/libqe.o
+LIBS-y += drivers/net/fm/libfm.o
+LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
+LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
endif
ifeq ($(CPU),mpc86xx)
-LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
-LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
-endif
-LIBS += drivers/rtc/librtc.o
-LIBS += drivers/serial/libserial.o
-ifeq ($(CONFIG_GENERIC_LPC_TPM),y)
-LIBS += drivers/tpm/libtpm.o
-endif
-LIBS += drivers/twserial/libtws.o
-LIBS += drivers/usb/eth/libusb_eth.o
-LIBS += drivers/usb/gadget/libusb_gadget.o
-LIBS += drivers/usb/host/libusb_host.o
-LIBS += drivers/usb/musb/libusb_musb.o
-LIBS += drivers/usb/phy/libusb_phy.o
-LIBS += drivers/usb/ulpi/libusb_ulpi.o
-LIBS += drivers/video/libvideo.o
-LIBS += drivers/watchdog/libwatchdog.o
-LIBS += common/libcommon.o
-LIBS += lib/libfdt/libfdt.o
-LIBS += api/libapi.o
-LIBS += post/libpost.o
-LIBS += test/libtest.o
+LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
+LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
+endif
+LIBS-y += drivers/rtc/librtc.o
+LIBS-y += drivers/serial/libserial.o
+LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o
+LIBS-y += drivers/twserial/libtws.o
+LIBS-y += drivers/usb/eth/libusb_eth.o
+LIBS-y += drivers/usb/gadget/libusb_gadget.o
+LIBS-y += drivers/usb/host/libusb_host.o
+LIBS-y += drivers/usb/musb/libusb_musb.o
+LIBS-y += drivers/usb/phy/libusb_phy.o
+LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
+LIBS-y += drivers/video/libvideo.o
+LIBS-y += drivers/watchdog/libwatchdog.o
+LIBS-y += common/libcommon.o
+LIBS-y += lib/libfdt/libfdt.o
+LIBS-y += api/libapi.o
+LIBS-y += post/libpost.o
+LIBS-y += test/libtest.o
ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
-LIBS += $(CPUDIR)/omap-common/libomap-common.o
+LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
endif
ifeq ($(SOC),mx5)
-LIBS += $(CPUDIR)/imx-common/libimx-common.o
+LIBS-y += $(CPUDIR)/imx-common/libimx-common.o
endif
ifeq ($(SOC),mx6)
-LIBS += $(CPUDIR)/imx-common/libimx-common.o
+LIBS-y += $(CPUDIR)/imx-common/libimx-common.o
endif
ifeq ($(SOC),s5pc1xx)
-LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
+LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
endif
ifeq ($(SOC),exynos)
-LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
+LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
+endif
+ifeq ($(SOC),tegra20)
+LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
endif
-LIBS := $(addprefix $(obj),$(sort $(LIBS)))
+LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
.PHONY : $(LIBS)
LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
+# enable combined SPL/u-boot/dtb rules for tegra
+ifeq ($(SOC),tegra20)
+ifeq ($(CONFIG_OF_SEPARATE),y)
+ALL-y += $(obj)u-boot-dtb-tegra.bin
+else
+ALL-y += $(obj)u-boot-nodtb-tegra.bin
+endif
+endif
+
all: $(ALL-y) $(SUBDIR_EXAMPLES)
$(obj)u-boot.dtb: $(obj)u-boot
rm $(obj)spl/u-boot-spl-pad.bin
$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
- $(obj)tools/mkimage -s -n /dev/null -T aisimage \
+ $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
+ -T aisimage \
-e $(CONFIG_SPL_TEXT_BASE) \
-d $(obj)spl/u-boot-spl.bin \
$(obj)spl/u-boot-spl.ais
$(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \
$(obj)u-boot.ais
- rm $(obj)spl/u-boot-spl{,-pad}.ais
+
+# Specify the target for use in elftosb call
+ELFTOSB_TARGET-$(CONFIG_MX28) = imx28
$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
- elftosb -zdf imx28 -c $(TOPDIR)/board/$(BOARDDIR)/u-boot.bd \
+ elftosb -zdf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \
-o $(obj)u-boot.sb
# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
conv=notrunc 2>/dev/null
cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
+ifeq ($(SOC),tegra20)
+ifeq ($(CONFIG_OF_SEPARATE),y)
+$(obj)u-boot-dtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(obj)u-boot.dtb
+ $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
+ cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(obj)u-boot.dtb > $@
+ rm $(obj)spl/u-boot-spl-pad.bin
+else
+$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
+ $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
+ cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
+ rm $(obj)spl/u-boot-spl-pad.bin
+endif
+endif
+
ifeq ($(CONFIG_SANDBOX),y)
GEN_UBOOT = \
cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
@[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
@[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f
@rm -f $(obj)dts/*.tmp
+ @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
mrproper \
distclean: clobber unconfig
- Monitor Functions:
Monitor commands can be included or excluded
from the build by using the #include files
- "config_cmd_all.h" and #undef'ing unwanted
- commands, or using "config_cmd_default.h"
+ <config_cmd_all.h> and #undef'ing unwanted
+ commands, or using <config_cmd_default.h>
and augmenting with additional #define's
for wanted commands.
#include <asm/arch/crm_regs.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
+#ifdef CONFIG_FSL_ESDHC
+#include <fsl_esdhc.h>
+#endif
#include <netdev.h>
#define CLK_CODE(arm, ahb, sel) (((arm) << 16) + ((ahb) << 8) + (sel))
return freq;
}
-unsigned int mxc_get_main_clock(enum mxc_main_clocks clk)
+unsigned int mxc_get_main_clock(enum mxc_main_clock clk)
{
u32 nfc_pdf, hsp_podf;
u32 pll, ret_val = 0, usb_prdf, usb_podf;
return ret_val;
}
-unsigned int mxc_get_peri_clock(enum mxc_peri_clocks clk)
+unsigned int mxc_get_peri_clock(enum mxc_peri_clock clk)
{
u32 ret_val = 0, pdf, pre_pdf, clk_sel;
struct ccm_regs *ccm =
* Initializes on-chip ethernet controllers.
* to override, implement board_eth_init()
*/
-
int cpu_eth_init(bd_t *bis)
{
int rc = -ENODEV;
return rc;
}
+#ifdef CONFIG_FSL_ESDHC
+/*
+ * Initializes on-chip MMC controllers.
+ * to override, implement board_mmc_init()
+ */
+int cpu_mmc_init(bd_t *bis)
+{
+ return fsl_esdhc_mmc_init(bis);
+}
+#endif
+
int get_clocks(void)
{
#ifdef CONFIG_FSL_ESDHC
#define MUX_INPUT_NUM_MUX \
(((IOMUXSW_INPUT_END - IOMUXSW_INPUT_CTL) >> 2) + 1)
-#define PIN_TO_IOMUX_INDEX(pin) ((PIN_TO_IOMUX_PAD(pin) - 0x328) >> 2)
-
/*
* Request ownership for an IO pin. This function has to be the first one
* being called before that pin is used.
--- /dev/null
+#
+# 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
+# version 2 as published by the Free Software Foundation.
+#
+# 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.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).o
+
+SOBJS := lowlevel_init.o
+COBJS := reset.o timer.o
+
+SRCS := $(SOBJS:.o=.c) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2012 Stephen Warren
+#
+# 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
+# version 2 as published by the Free Software Foundation.
+#
+# 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.
+
+# Don't attempt to override the target CPU/ABI options;
+# the Raspberry Pi toolchain does the right thing by default.
+PLATFORM_RELFLAGS := $(filter-out -msoft-float,$(PLATFORM_RELFLAGS))
+PLATFORM_CPPFLAGS := $(filter-out -march=armv5t,$(PLATFORM_CPPFLAGS))
--- /dev/null
+/*
+ * (C) Copyright 2012 Stephen Warren
+ *
+ * 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
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+.globl lowlevel_init
+lowlevel_init:
+ mov pc, lr
--- /dev/null
+/*
+ * (C) Copyright 2012 Stephen Warren
+ *
+ * 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
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/wdog.h>
+
+#define RESET_TIMEOUT 10
+
+void reset_cpu(ulong addr)
+{
+ struct bcm2835_wdog_regs *regs =
+ (struct bcm2835_wdog_regs *)BCM2835_WDOG_PHYSADDR;
+ uint32_t rstc;
+
+ rstc = readl(®s->rstc);
+ rstc &= ~BCM2835_WDOG_RSTC_WRCFG_MASK;
+ rstc |= BCM2835_WDOG_RSTC_WRCFG_FULL_RESET;
+
+ writel(BCM2835_WDOG_PASSWORD | RESET_TIMEOUT, ®s->wdog);
+ writel(BCM2835_WDOG_PASSWORD | rstc, ®s->rstc);
+}
--- /dev/null
+/*
+ * (C) Copyright 2012 Stephen Warren
+ *
+ * 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
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/timer.h>
+
+int timer_init(void)
+{
+ return 0;
+}
+
+ulong get_timer(ulong base)
+{
+ struct bcm2835_timer_regs *regs =
+ (struct bcm2835_timer_regs *)BCM2835_TIMER_PHYSADDR;
+
+ return readl(®s->clo) - base;
+}
+
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+ulong get_tbclk(void)
+{
+ return CONFIG_SYS_HZ;
+}
+
+void __udelay(unsigned long usec)
+{
+ ulong endtime;
+ signed long diff;
+
+ endtime = get_timer(0) + usec;
+
+ do {
+ ulong now = get_timer(0);
+ diff = endtime - now;
+ } while (diff >= 0);
+}
/* mem barrier to sync things */
asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (0));
}
+
+int arch_cpu_init(void)
+{
+ icache_enable();
+
+ return 0;
+}
/* Nothing more needed */
#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
/* No cleanup before linux for IntegratorAP/CM720T as yet */
+#elif defined(CONFIG_TEGRA)
+ /* No cleanup before linux for tegra as yet */
#else
#error No cleanup_before_linux() defined for this CPU type
#endif
PUT32(T0TC, 0);
PUT32(T0TCR, 1); /* enable timer0 */
+#elif defined(CONFIG_TEGRA)
+ /* No timer routines for tegra as yet */
+ lastdec = 0;
#else
#error No timer_init() defined for this CPU type
#endif
#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
/* No timer routines for IntegratorAP/CM720T as yet */
+#elif defined(CONFIG_TEGRA)
+ /* No timer routines for tegra as yet */
#else
#error Timer routines not defined for this CPU type
#endif
ldr pc, _irq
ldr pc, _fiq
+#ifdef CONFIG_SPL_BUILD
+_undefined_instruction: .word _undefined_instruction
+_software_interrupt: .word _software_interrupt
+_prefetch_abort: .word _prefetch_abort
+_data_abort: .word _data_abort
+_not_used: .word _not_used
+_irq: .word _irq
+_fiq: .word _fiq
+_pad: .word 0x12345678 /* now 16*4=64 */
+#else
_undefined_instruction: .word undefined_instruction
_software_interrupt: .word software_interrupt
_prefetch_abort: .word prefetch_abort
_not_used: .word not_used
_irq: .word irq
_fiq: .word fiq
+_pad: .word 0x12345678 /* now 16*4=64 */
+#endif /* CONFIG_SPL_BUILD */
.balignl 16,0xdeadbeef
.globl _TEXT_BASE
_TEXT_BASE:
+#ifdef CONFIG_SPL_BUILD
+ .word CONFIG_SPL_TEXT_BASE
+#else
.word CONFIG_SYS_TEXT_BASE
+#endif
/*
* These are defined in the board-specific linker script.
adr r0, _start
cmp r0, r6
+ moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */
beq clear_bss /* skip relocation */
mov r1, r6 /* r1 <- scratch for copy_loop */
ldr r3, _bss_start_ofs
ldr r0, VPBDIV_ADR
mov r1, #0x01 /* VPB clock is same as process clock */
str r1, [r0]
+#elif defined(CONFIG_TEGRA)
+ /* No cpu_init_crit for tegra as yet */
#else
#error No cpu_init_crit() defined for current CPU type
#endif
str r1, [r0]
#endif
-#ifndef CONFIG_LPC2292
+#if !defined(CONFIG_LPC2292) && !defined(CONFIG_TEGRA)
mov ip, lr
/*
* before relocating, we have to setup RAM timing
mov pc, lr
+#ifndef CONFIG_SPL_BUILD
/*
*************************************************************************
*
bl do_fiq
#endif
+#endif /* CONFIG_SPL_BUILD */
#if defined(CONFIG_NETARM)
.align 5
.globl reset_cpu
reset_cpu:
mov pc, r0
+#elif defined(CONFIG_TEGRA)
+ /* No specific reset actions for tegra as yet */
#else
#error No reset_cpu() defined for current CPU type
#endif
--- /dev/null
+#
+# (C) Copyright 2010,2011 Nvidia Corporation.
+#
+# (C) Copyright 2000-2008
+# Wolfgang Denk, DENX Software Engineering, wd@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 = $(obj)lib$(SOC).o
+
+COBJS-y += cpu.o
+COBJS-$(CONFIG_SPL_BUILD) += spl.o
+
+SRCS := $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ * (C) Copyright 2010-2011
+ * NVIDIA Corporation <www.nvidia.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
+ */
+
+void board_init_uart_f(void);
+void gpio_config_uart(void);
#
-# (C) Copyright 2009
-# ISEE 2007 SL, <www.iseebcn.com>
+# (C) Copyright 2010,2011
+# NVIDIA Corporation <www.nvidia.com>
#
-# IGEP0030 uses OMAP3 (ARM-CortexA8) cpu
-# see http://www.ti.com/ for more information on Texas Instruments
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
#
# See file CREDITS for list of people who contributed to this
# project.
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
-# Physical Address:
-# 8000'0000 (bank0)
-# A000/0000 (bank1)
-# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000
-# (mem base + reserved)
-
-# For use with external or internal boots.
-CONFIG_SYS_TEXT_BASE = 0x80008000
+USE_PRIVATE_LIBGCC = yes
*/
#include <asm/io.h>
-#include <asm/arch/tegra2.h>
-#include <asm/arch/ap20.h>
+#include <asm/arch/tegra20.h>
#include <asm/arch/clk_rst.h>
#include <asm/arch/clock.h>
-#include <asm/arch/fuse.h>
-#include <asm/arch/gp_padctrl.h>
#include <asm/arch/pmc.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/scu.h>
-#include <asm/arch/warmboot.h>
#include <common.h>
-
-int tegra_get_chip_type(void)
-{
- struct apb_misc_gp_ctlr *gp;
- struct fuse_regs *fuse = (struct fuse_regs *)TEGRA2_FUSE_BASE;
- uint tegra_sku_id, rev;
-
- /*
- * This is undocumented, Chip ID is bits 15:8 of the register
- * APB_MISC + 0x804, and has value 0x20 for Tegra20, 0x30 for
- * Tegra30
- */
- gp = (struct apb_misc_gp_ctlr *)TEGRA2_APB_MISC_GP_BASE;
- rev = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >> HIDREV_CHIPID_SHIFT;
-
- tegra_sku_id = readl(&fuse->sku_info) & 0xff;
-
- switch (rev) {
- case CHIPID_TEGRA2:
- switch (tegra_sku_id) {
- case SKU_ID_T20:
- return TEGRA_SOC_T20;
- case SKU_ID_T25SE:
- case SKU_ID_AP25:
- case SKU_ID_T25:
- case SKU_ID_AP25E:
- case SKU_ID_T25E:
- return TEGRA_SOC_T25;
- }
- break;
- }
- /* unknown sku id */
- return TEGRA_SOC_UNKNOWN;
-}
+#include "cpu.h"
/* Returns 1 if the current CPU executing is a Cortex-A9, else 0 */
-static int ap20_cpu_is_cortexa9(void)
+int ap20_cpu_is_cortexa9(void)
{
u32 id = readb(NV_PA_PG_UP_BASE + PG_UP_TAG_0);
return id == (PG_UP_TAG_0_PID_CPU & 0xff);
void init_pllx(void)
{
- struct clk_rst_ctlr *clkrst =
- (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
- struct clk_pll_simple *pll =
- &clkrst->crc_pll_simple[CLOCK_ID_XCPU - CLOCK_ID_FIRST_SIMPLE];
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ struct clk_pll *pll = &clkrst->crc_pll[CLOCK_ID_XCPU];
u32 reg;
/* If PLLX is already enabled, just return */
static int is_cpu_powered(void)
{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)TEGRA2_PMC_BASE;
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)TEGRA20_PMC_BASE;
return (readl(&pmc->pmc_pwrgate_status) & CPU_PWRED) ? 1 : 0;
}
static void remove_cpu_io_clamps(void)
{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)TEGRA2_PMC_BASE;
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)TEGRA20_PMC_BASE;
u32 reg;
/* Remove the clamps on the CPU I/O signals */
static void powerup_cpu(void)
{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)TEGRA2_PMC_BASE;
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)TEGRA20_PMC_BASE;
u32 reg;
int timeout = IO_STABILIZATION_DELAY;
static void enable_cpu_power_rail(void)
{
- struct pmc_ctlr *pmc = (struct pmc_ctlr *)TEGRA2_PMC_BASE;
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)TEGRA20_PMC_BASE;
u32 reg;
reg = readl(&pmc->pmc_cntrl);
FLOW_CTLR_HALT_COP_EVENTS);
}
}
-
-void enable_scu(void)
-{
- struct scu_ctlr *scu = (struct scu_ctlr *)NV_PA_ARM_PERIPHBASE;
- u32 reg;
-
- /* If SCU already setup/enabled, return */
- if (readl(&scu->scu_ctrl) & SCU_CTRL_ENABLE)
- return;
-
- /* Invalidate all ways for all processors */
- writel(0xFFFF, &scu->scu_inv_all);
-
- /* Enable SCU - bit 0 */
- reg = readl(&scu->scu_ctrl);
- reg |= SCU_CTRL_ENABLE;
- writel(reg, &scu->scu_ctrl);
-}
-
-static u32 get_odmdata(void)
-{
- /*
- * ODMDATA is stored in the BCT in IRAM by the BootROM.
- * The BCT start and size are stored in the BIT in IRAM.
- * Read the data @ bct_start + (bct_size - 12). This works
- * on T20 and T30 BCTs, which are locked down. If this changes
- * in new chips (T114, etc.), we can revisit this algorithm.
- */
-
- u32 bct_start, odmdata;
-
- bct_start = readl(AP20_BASE_PA_SRAM + NVBOOTINFOTABLE_BCTPTR);
- odmdata = readl(bct_start + BCT_ODMDATA_OFFSET);
-
- return odmdata;
-}
-
-void init_pmc_scratch(void)
-{
- struct pmc_ctlr *const pmc = (struct pmc_ctlr *)TEGRA2_PMC_BASE;
- u32 odmdata;
- int i;
-
- /* SCRATCH0 is initialized by the boot ROM and shouldn't be cleared */
- for (i = 0; i < 23; i++)
- writel(0, &pmc->pmc_scratch1+i);
-
- /* ODMDATA is for kernel use to determine RAM size, LP config, etc. */
- odmdata = get_odmdata();
- writel(odmdata, &pmc->pmc_scratch20);
-
-#ifdef CONFIG_TEGRA2_LP0
- /* save Sdram params to PMC 2, 4, and 24 for WB0 */
- warmboot_save_sdram_params();
-#endif
-}
-
-void tegra2_start(void)
-{
- struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
-
- /* If we are the AVP, start up the first Cortex-A9 */
- if (!ap20_cpu_is_cortexa9()) {
- /* enable JTAG */
- writel(0xC0, &pmt->pmt_cfg_ctl);
-
- /*
- * If we are ARM7 - give it a different stack. We are about to
- * start up the A9 which will want to use this one.
- */
- asm volatile("mov sp, %0\n"
- : : "r"(AVP_EARLY_BOOT_STACK_LIMIT));
-
- start_cpu((u32)_start);
- halt_avp();
- /* not reached */
- }
-
- /* Init PMC scratch memory */
- init_pmc_scratch();
-
- enable_scu();
-
- /* enable SMP mode and FW for CPU0, by writing to Auxiliary Ctl reg */
- asm volatile(
- "mrc p15, 0, r0, c1, c0, 1\n"
- "orr r0, r0, #0x41\n"
- "mcr p15, 0, r0, c1, c0, 1\n");
-
- /* FIXME: should have ap20's L2 disabled too? */
-}
--- /dev/null
+/*
+ * (C) Copyright 2010-2011
+ * NVIDIA Corporation <www.nvidia.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 <asm/types.h>
+
+/* Stabilization delays, in usec */
+#define PLL_STABILIZATION_DELAY (300)
+#define IO_STABILIZATION_DELAY (1000)
+
+#define NVBL_PLLP_KHZ (216000)
+
+#define PLLX_ENABLED (1 << 30)
+#define CCLK_BURST_POLICY 0x20008888
+#define SUPER_CCLK_DIVIDER 0x80000000
+
+/* Calculate clock fractional divider value from ref and target frequencies */
+#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / FREQ) - 2)
+
+/* Calculate clock frequency value from reference and clock divider value */
+#define CLK_FREQUENCY(REF, REG) (((REF) * 2) / (REG + 2))
+
+/* AVP/CPU ID */
+#define PG_UP_TAG_0_PID_CPU 0x55555555 /* CPU aka "a9" aka "mpcore" */
+#define PG_UP_TAG_0 0x0
+
+#define CORESIGHT_UNLOCK 0xC5ACCE55;
+
+/* AP20-Specific Base Addresses */
+
+/* AP20 Base physical address of SDRAM. */
+#define AP20_BASE_PA_SDRAM 0x00000000
+/* AP20 Base physical address of internal SRAM. */
+#define AP20_BASE_PA_SRAM 0x40000000
+/* AP20 Size of internal SRAM (256KB). */
+#define AP20_BASE_PA_SRAM_SIZE 0x00040000
+/* AP20 Base physical address of flash. */
+#define AP20_BASE_PA_NOR_FLASH 0xD0000000
+/* AP20 Base physical address of boot information table. */
+#define AP20_BASE_PA_BOOT_INFO AP20_BASE_PA_SRAM
+
+/*
+ * Super-temporary stacks for EXTREMELY early startup. The values chosen for
+ * these addresses must be valid on ALL SOCs because this value is used before
+ * we are able to differentiate between the SOC types.
+ *
+ * NOTE: The since CPU's stack will eventually be moved from IRAM to SDRAM, its
+ * stack is placed below the AVP stack. Once the CPU stack has been moved,
+ * the AVP is free to use the IRAM the CPU stack previously occupied if
+ * it should need to do so.
+ *
+ * NOTE: In multi-processor CPU complex configurations, each processor will have
+ * its own stack of size CPU_EARLY_BOOT_STACK_SIZE. CPU 0 will have a
+ * limit of CPU_EARLY_BOOT_STACK_LIMIT. Each successive CPU will have a
+ * stack limit that is CPU_EARLY_BOOT_STACK_SIZE less then the previous
+ * CPU.
+ */
+
+/* Common AVP early boot stack limit */
+#define AVP_EARLY_BOOT_STACK_LIMIT \
+ (AP20_BASE_PA_SRAM + (AP20_BASE_PA_SRAM_SIZE/2))
+/* Common AVP early boot stack size */
+#define AVP_EARLY_BOOT_STACK_SIZE 0x1000
+/* Common CPU early boot stack limit */
+#define CPU_EARLY_BOOT_STACK_LIMIT \
+ (AVP_EARLY_BOOT_STACK_LIMIT - AVP_EARLY_BOOT_STACK_SIZE)
+/* Common CPU early boot stack size */
+#define CPU_EARLY_BOOT_STACK_SIZE 0x1000
+
+#define EXCEP_VECTOR_CPU_RESET_VECTOR (NV_PA_EVP_BASE + 0x100)
+#define CSITE_CPU_DBG0_LAR (NV_PA_CSITE_BASE + 0x10FB0)
+#define CSITE_CPU_DBG1_LAR (NV_PA_CSITE_BASE + 0x12FB0)
+
+#define FLOW_CTLR_HALT_COP_EVENTS (NV_PA_FLOW_BASE + 4)
+#define FLOW_MODE_STOP 2
+#define HALT_COP_EVENT_JTAG (1 << 28)
+#define HALT_COP_EVENT_IRQ_1 (1 << 11)
+#define HALT_COP_EVENT_FIQ_1 (1 << 9)
+
+void start_cpu(u32 reset_vector);
+int ap20_cpu_is_cortexa9(void);
+void halt_avp(void) __attribute__ ((noreturn));
--- /dev/null
+/*
+ * (C) Copyright 2012
+ * NVIDIA Inc, <www.nvidia.com>
+ *
+ * Allen Martin <amartin@nvidia.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 <common.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/clock.h>
+#include <nand.h>
+#include <mmc.h>
+#include <fat.h>
+#include <version.h>
+#include <i2c.h>
+#include <image.h>
+#include <malloc.h>
+#include <linux/compiler.h>
+#include "board.h"
+#include "cpu.h"
+
+#include <asm/io.h>
+#include <asm/arch/tegra20.h>
+#include <asm/arch/clk_rst.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/pmc.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/scu.h>
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Define global data structure pointer to it*/
+static gd_t gdata __attribute__ ((section(".data")));
+static bd_t bdata __attribute__ ((section(".data")));
+
+inline void hang(void)
+{
+ puts("### ERROR ### Please RESET the board ###\n");
+ for (;;)
+ ;
+}
+
+void board_init_f(ulong dummy)
+{
+ board_init_uart_f();
+
+ /* Initialize periph GPIOs */
+#ifdef CONFIG_SPI_UART_SWITCH
+ gpio_early_init_uart();
+#else
+ gpio_config_uart();
+#endif
+
+ /*
+ * We call relocate_code() with relocation target same as the
+ * CONFIG_SYS_SPL_TEXT_BASE. This will result in relocation getting
+ * skipped. Instead, only .bss initialization will happen. That's
+ * all we need
+ */
+ debug(">>board_init_f()\n");
+ relocate_code(CONFIG_SPL_STACK, &gdata, CONFIG_SPL_TEXT_BASE);
+}
+
+/* This requires UART clocks to be enabled */
+static void preloader_console_init(void)
+{
+ const char *u_boot_rev = U_BOOT_VERSION;
+
+ gd = &gdata;
+ gd->bd = &bdata;
+ gd->flags |= GD_FLG_RELOC;
+ gd->baudrate = CONFIG_BAUDRATE;
+
+ serial_init(); /* serial communications setup */
+
+ gd->have_console = 1;
+
+ /* Avoid a second "U-Boot" coming from this string */
+ u_boot_rev = &u_boot_rev[7];
+
+ printf("\nU-Boot SPL %s (%s - %s)\n", u_boot_rev, U_BOOT_DATE,
+ U_BOOT_TIME);
+}
+
+void board_init_r(gd_t *id, ulong dummy)
+{
+ struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+
+ /* enable JTAG */
+ writel(0xC0, &pmt->pmt_cfg_ctl);
+
+ debug(">>spl:board_init_r()\n");
+
+ mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
+ CONFIG_SYS_SPL_MALLOC_SIZE);
+
+#ifdef CONFIG_SPL_BOARD_INIT
+ spl_board_init();
+#endif
+
+ clock_early_init();
+ serial_init();
+ preloader_console_init();
+
+ start_cpu((u32)CONFIG_SYS_TEXT_BASE);
+ halt_avp();
+ /* not reached */
+}
+
+int board_usb_init(const void *blob)
+{
+ return 0;
+}
COBJS-$(CONFIG_AT91SAM9RL) += at91sam9rl_devices.o
COBJS-$(CONFIG_AT91SAM9M10G45) += at91sam9m10g45_devices.o
COBJS-$(CONFIG_AT91SAM9G45) += at91sam9m10g45_devices.o
+COBJS-$(CONFIG_AT91SAM9X5) += at91sam9x5_devices.o
COBJS-$(CONFIG_AT91_EFLASH) += eflash.o
COBJS-$(CONFIG_AT91_LED) += led.o
COBJS-y += clock.o
#ifdef CONFIG_MACB
void at91_macb_hw_init(void)
{
+ /* Enable EMAC clock */
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+ writel(1 << ATMEL_ID_EMAC0, &pmc->pcer);
+
at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* ETXCK_EREFCK */
at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* ERXDV */
at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* ERX0 */
--- /dev/null
+/*
+ * Copyright (C) 2012 Atmel Corporation
+ *
+ * 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 <common.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/io.h>
+
+unsigned int get_chip_id(void)
+{
+ /* The 0x40 is the offset of cidr in DBGU */
+ return readl(ATMEL_BASE_DBGU + 0x40) & ~ARCH_ID_VERSION_MASK;
+}
+
+unsigned int get_extension_chip_id(void)
+{
+ /* The 0x44 is the offset of exid in DBGU */
+ return readl(ATMEL_BASE_DBGU + 0x44);
+}
+
+unsigned int has_emac1()
+{
+ return cpu_is_at91sam9x25();
+}
+
+unsigned int has_emac0()
+{
+ return !(cpu_is_at91sam9g15());
+}
+
+unsigned int has_lcdc()
+{
+ return cpu_is_at91sam9g15() || cpu_is_at91sam9g35()
+ || cpu_is_at91sam9x35();
+}
+
+char *get_cpu_name()
+{
+ unsigned int extension_id = get_extension_chip_id();
+
+ if (cpu_is_at91sam9x5()) {
+ switch (extension_id) {
+ case ARCH_EXID_AT91SAM9G15:
+ return CONFIG_SYS_AT91_G15_CPU_NAME;
+ case ARCH_EXID_AT91SAM9G25:
+ return CONFIG_SYS_AT91_G25_CPU_NAME;
+ case ARCH_EXID_AT91SAM9G35:
+ return CONFIG_SYS_AT91_G35_CPU_NAME;
+ case ARCH_EXID_AT91SAM9X25:
+ return CONFIG_SYS_AT91_X25_CPU_NAME;
+ case ARCH_EXID_AT91SAM9X35:
+ return CONFIG_SYS_AT91_X35_CPU_NAME;
+ default:
+ return CONFIG_SYS_AT91_UNKNOWN_CPU;
+ }
+ } else {
+ return CONFIG_SYS_AT91_UNKNOWN_CPU;
+ }
+}
+
+void at91_seriald_hw_init(void)
+{
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */
+ at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */
+
+ writel(1 << ATMEL_ID_SYS, &pmc->pcer);
+}
+
+void at91_serial0_hw_init(void)
+{
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 0, 1); /* TXD */
+ at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* RXD */
+
+ writel(1 << ATMEL_ID_USART0, &pmc->pcer);
+}
+
+void at91_serial1_hw_init(void)
+{
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 5, 1); /* TXD */
+ at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* RXD */
+
+ writel(1 << ATMEL_ID_USART1, &pmc->pcer);
+}
+
+void at91_serial2_hw_init(void)
+{
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* TXD */
+ at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* RXD */
+
+ writel(1 << ATMEL_ID_USART2, &pmc->pcer);
+}
+
+#ifdef CONFIG_ATMEL_SPI
+void at91_spi0_hw_init(unsigned long cs_mask)
+{
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SPI0_MISO */
+ at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* SPI0_MOSI */
+ at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* SPI0_SPCK */
+
+ /* Enable clock */
+ writel(1 << ATMEL_ID_SPI0, &pmc->pcer);
+
+ if (cs_mask & (1 << 0))
+ at91_set_a_periph(AT91_PIO_PORTA, 14, 0);
+ if (cs_mask & (1 << 1))
+ at91_set_b_periph(AT91_PIO_PORTA, 7, 0);
+ if (cs_mask & (1 << 2))
+ at91_set_b_periph(AT91_PIO_PORTA, 1, 0);
+ if (cs_mask & (1 << 3))
+ at91_set_b_periph(AT91_PIO_PORTB, 3, 0);
+ if (cs_mask & (1 << 4))
+ at91_set_pio_output(AT91_PIO_PORTA, 14, 0);
+ if (cs_mask & (1 << 5))
+ at91_set_pio_output(AT91_PIO_PORTA, 7, 0);
+ if (cs_mask & (1 << 6))
+ at91_set_pio_output(AT91_PIO_PORTA, 1, 0);
+ if (cs_mask & (1 << 7))
+ at91_set_pio_output(AT91_PIO_PORTB, 3, 0);
+}
+
+void at91_spi1_hw_init(unsigned long cs_mask)
+{
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
+
+ at91_set_b_periph(AT91_PIO_PORTA, 21, 0); /* SPI1_MISO */
+ at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* SPI1_MOSI */
+ at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* SPI1_SPCK */
+
+ /* Enable clock */
+ writel(1 << ATMEL_ID_SPI1, &pmc->pcer);
+
+ if (cs_mask & (1 << 0))
+ at91_set_b_periph(AT91_PIO_PORTA, 8, 0);
+ if (cs_mask & (1 << 1))
+ at91_set_b_periph(AT91_PIO_PORTA, 0, 0);
+ if (cs_mask & (1 << 2))
+ at91_set_b_periph(AT91_PIO_PORTA, 31, 0);
+ if (cs_mask & (1 << 3))
+ at91_set_b_periph(AT91_PIO_PORTA, 30, 0);
+ if (cs_mask & (1 << 4))
+ at91_set_pio_output(AT91_PIO_PORTA, 8, 0);
+ if (cs_mask & (1 << 5))
+ at91_set_pio_output(AT91_PIO_PORTA, 0, 0);
+ if (cs_mask & (1 << 6))
+ at91_set_pio_output(AT91_PIO_PORTA, 31, 0);
+ if (cs_mask & (1 << 7))
+ at91_set_pio_output(AT91_PIO_PORTA, 30, 0);
+}
+#endif
+
+#ifdef CONFIG_MACB
+void at91_macb_hw_init(void)
+{
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
+
+ if (has_emac0()) {
+ /* Enable EMAC0 clock */
+ writel(1 << ATMEL_ID_EMAC0, &pmc->pcer);
+ /* EMAC0 pins setup */
+ at91_set_a_periph(AT91_PIO_PORTB, 4, 0); /* ETXCK */
+ at91_set_a_periph(AT91_PIO_PORTB, 3, 0); /* ERXDV */
+ at91_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ERX0 */
+ at91_set_a_periph(AT91_PIO_PORTB, 1, 0); /* ERX1 */
+ at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ERXER */
+ at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ETXEN */
+ at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ETX0 */
+ at91_set_a_periph(AT91_PIO_PORTB, 10, 0); /* ETX1 */
+ at91_set_a_periph(AT91_PIO_PORTB, 5, 0); /* EMDIO */
+ at91_set_a_periph(AT91_PIO_PORTB, 6, 0); /* EMDC */
+ }
+
+ if (has_emac1()) {
+ /* Enable EMAC1 clock */
+ writel(1 << ATMEL_ID_EMAC1, &pmc->pcer);
+ /* EMAC1 pins setup */
+ at91_set_b_periph(AT91_PIO_PORTC, 29, 0); /* ETXCK */
+ at91_set_b_periph(AT91_PIO_PORTC, 28, 0); /* ECRSDV */
+ at91_set_b_periph(AT91_PIO_PORTC, 20, 0); /* ERXO */
+ at91_set_b_periph(AT91_PIO_PORTC, 21, 0); /* ERX1 */
+ at91_set_b_periph(AT91_PIO_PORTC, 16, 0); /* ERXER */
+ at91_set_b_periph(AT91_PIO_PORTC, 27, 0); /* ETXEN */
+ at91_set_b_periph(AT91_PIO_PORTC, 18, 0); /* ETX0 */
+ at91_set_b_periph(AT91_PIO_PORTC, 19, 0); /* ETX1 */
+ at91_set_b_periph(AT91_PIO_PORTC, 31, 0); /* EMDIO */
+ at91_set_b_periph(AT91_PIO_PORTC, 30, 0); /* EMDC */
+ }
+
+#ifndef CONFIG_RMII
+ /* Only emac0 support MII */
+ if (has_emac0()) {
+ at91_set_b_periph(AT91_PIO_PORTB, 16, 0); /* ECRS */
+ at91_set_b_periph(AT91_PIO_PORTB, 17, 0); /* ECOL */
+ at91_set_b_periph(AT91_PIO_PORTB, 13, 0); /* ERX2 */
+ at91_set_b_periph(AT91_PIO_PORTB, 14, 0); /* ERX3 */
+ at91_set_b_periph(AT91_PIO_PORTB, 15, 0); /* ERXCK */
+ at91_set_b_periph(AT91_PIO_PORTB, 11, 0); /* ETX2 */
+ at91_set_b_periph(AT91_PIO_PORTB, 12, 0); /* ETX3 */
+ at91_set_b_periph(AT91_PIO_PORTB, 8, 0); /* ETXER */
+ }
+#endif
+}
+#endif
* For now, assume this parentage won't change.
*/
mckr = readl(&pmc->mckr);
-#if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45)
+#if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \
+ || defined(CONFIG_AT91SAM9X5)
/* plla divisor by 2 */
gd->plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12));
#endif
freq / ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 7) : freq;
if (mckr & AT91_PMC_MCKR_MDIV_MASK)
freq /= 2; /* processor clock division */
-#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45)
+#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \
+ || defined(CONFIG_AT91SAM9X5)
+ /* mdiv <==> divisor
+ * 0 <==> 1
+ * 1 <==> 2
+ * 2 <==> 4
+ * 3 <==> 3
+ */
gd->mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ==
(AT91_PMC_MCKR_MDIV_2 | AT91_PMC_MCKR_MDIV_4)
? freq / 3
return 0;
}
#endif
-
-#ifdef CONFIG_BOOTCOUNT_LIMIT
-/*
- * We combine the BOOTCOUNT_MAGIC and bootcount in one 32-bit register.
- * This is done so we need to use only one of the four GPBR registers.
- */
-void bootcount_store (ulong a)
-{
- at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR;
-
- writel((BOOTCOUNT_MAGIC & 0xffff0000) | (a & 0x0000ffff),
- &gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]);
-}
-
-ulong bootcount_load (void)
-{
- at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR;
-
- ulong val = readl(&gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]);
- if ((val & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
- return 0;
- else
- return val & 0x0000ffff;
-}
-
-#endif /* CONFIG_BOOTCOUNT_LIMIT */
LIB = $(obj)lib$(SOC).o
-COBJS-y += cpu.o misc.o timer.o psc.o pinmux.o
+COBJS-y += cpu.o misc.o timer.o psc.o pinmux.o reset.o
COBJS-$(CONFIG_DA850_LOWLEVEL) += da850_lowlevel.o
COBJS-$(CONFIG_SOC_DM355) += dm355.o
COBJS-$(CONFIG_SOC_DM365) += dm365.o
COBJS-$(CONFIG_SOC_DA8XX) += da850_lowlevel.o
endif
-SOBJS = reset.o
-
ifndef CONFIG_SKIP_LOWLEVEL_INIT
SOBJS += lowlevel_init.o
endif
out:
return pll_out;
}
+
+int set_cpu_clk_info(void)
+{
+ gd->bd->bi_arm_freq = clk_get(DAVINCI_ARM_CLKID) / 1000000;
+ /* DDR PHY uses an x2 input clock */
+ gd->bd->bi_ddr_freq = cpu_is_da830() ? 0 :
+ (clk_get(DAVINCI_DDR_CLKID) / 1000000);
+ gd->bd->bi_dsp_freq = 0;
+ return 0;
+}
+
#else /* CONFIG_SOC_DA8XX */
static unsigned pll_div(volatile void *pllbase, unsigned offset)
return pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, div) * 1000000;
}
#endif
-#endif /* !CONFIG_SOC_DA8XX */
int set_cpu_clk_info(void)
{
-#ifdef CONFIG_SOC_DA8XX
- gd->bd->bi_arm_freq = clk_get(DAVINCI_ARM_CLKID) / 1000000;
- /* DDR PHY uses an x2 input clock */
- gd->bd->bi_ddr_freq = clk_get(0x10001) / 1000000;
-#else
-
unsigned int pllbase = DAVINCI_PLL_CNTRL0_BASE;
#if defined(CONFIG_SOC_DM365)
pllbase = DAVINCI_PLL_CNTRL1_BASE;
pllbase = DAVINCI_PLL_CNTRL0_BASE;
#endif
gd->bd->bi_ddr_freq = pll_sysclk_mhz(pllbase, DDR_PLLDIV) / 2;
-#endif
+
return 0;
}
+#endif /* !CONFIG_SOC_DA8XX */
+
/*
* Initializes on-chip ethernet controllers.
* to override, implement board_eth_init()
setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK);
setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN);
-
- setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN);
}
-
+ setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN);
writel(CONFIG_SYS_DA850_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr);
- clrbits_le32(&davinci_syscfg1_regs->ddr_slew,
- (1 << DDR_SLEW_CMOSEN_BIT));
+
+ if (CONFIG_SYS_DA850_DDR2_SDBCR & (1 << DV_DDR_SDCR_DDR2EN_SHIFT)) {
+ /* DDR2 */
+ clrbits_le32(&davinci_syscfg1_regs->ddr_slew,
+ (1 << DDR_SLEW_DDR_PDENA_BIT) |
+ (1 << DDR_SLEW_CMOSEN_BIT));
+ } else {
+ /* MOBILE DDR */
+ setbits_le32(&davinci_syscfg1_regs->ddr_slew,
+ (1 << DDR_SLEW_DDR_PDENA_BIT) |
+ (1 << DDR_SLEW_CMOSEN_BIT));
+ }
/*
* SDRAM Configuration Register (SDCR):
writel(tmp, &dv_ddr2_regs_ctrl->sdbcr);
/* write memory configuration and timing */
- writel(CONFIG_SYS_DA850_DDR2_SDBCR2, &dv_ddr2_regs_ctrl->sdbcr2);
+ if (!(CONFIG_SYS_DA850_DDR2_SDBCR & (1 << DV_DDR_SDCR_DDR2EN_SHIFT))) {
+ /* MOBILE DDR only*/
+ writel(CONFIG_SYS_DA850_DDR2_SDBCR2,
+ &dv_ddr2_regs_ctrl->sdbcr2);
+ }
writel(CONFIG_SYS_DA850_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr);
writel(CONFIG_SYS_DA850_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2);
/* disable self refresh */
clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr,
- DV_DDR_SDRCR_LPMODEN | DV_DDR_SDRCR_LPMODEN);
+ DV_DDR_SDRCR_LPMODEN | DV_DDR_SDRCR_MCLKSTOPEN);
writel(CONFIG_SYS_DA850_DDR2_PBBPR, &dv_ddr2_regs_ctrl->pbbpr);
return 0;
};
/* UART pin muxer settings */
+const struct pinmux_config uart0_pins_txrx[] = {
+ { pinmux(3), 2, 4 }, /* UART0_RXD */
+ { pinmux(3), 2, 5 }, /* UART0_TXD */
+};
+
const struct pinmux_config uart1_pins_txrx[] = {
{ pinmux(4), 2, 6 }, /* UART1_RXD */
{ pinmux(4), 2, 7 }, /* UART1_TXD */
{ pinmux(12), 1, 6 }, /* EMA_A[1] */
{ pinmux(12), 1, 7 }, /* EMA_A[0] */
};
+
+/* MMC0 pin muxer settings */
+const struct pinmux_config mmc0_pins[] = {
+ { pinmux(10), 2, 0 }, /* MMCSD0_CLK */
+ { pinmux(10), 2, 1 }, /* MMCSD0_CMD */
+ { pinmux(10), 2, 2 }, /* MMCSD0_DAT_0 */
+ { pinmux(10), 2, 3 }, /* MMCSD0_DAT_1 */
+ { pinmux(10), 2, 4 }, /* MMCSD0_DAT_2 */
+ { pinmux(10), 2, 5 }, /* MMCSD0_DAT_3 */
+ /* DA850 supports only 4-bit mode, remaining pins are not configured */
+};
lpsc_transition(id, 0x01);
}
+void lpsc_disable(unsigned int id)
+{
+ lpsc_transition(id, 0x0);
+}
+
/* Not all DaVinci chips have a DSP power domain. */
#ifdef CONFIG_SOC_DM644X
+++ /dev/null
-/*
- * Processor reset using WDT for TI TMS320DM644x SoC.
- *
- * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
- *
- * -----------------------------------------------------
- *
- * 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
- */
-
-.globl reset_cpu
-reset_cpu:
- ldr r0, WDT_TGCR
- mov r1, $0x08
- str r1, [r0]
- ldr r1, [r0]
- orr r1, r1, $0x03
- str r1, [r0]
- mov r1, $0
- ldr r0, WDT_TIM12
- str r1, [r0]
- ldr r0, WDT_TIM34
- str r1, [r0]
- ldr r0, WDT_PRD12
- str r1, [r0]
- ldr r0, WDT_PRD34
- str r1, [r0]
- ldr r0, WDT_TCR
- ldr r1, [r0]
- orr r1, r1, $0x40
- str r1, [r0]
- ldr r0, WDT_WDTCR
- ldr r1, [r0]
- orr r1, r1, $0x4000
- str r1, [r0]
- ldr r1, WDTCR_VAL1
- str r1, [r0]
- ldr r1, WDTCR_VAL2
- str r1, [r0]
- /* Write an invalid value to the WDKEY field to trigger
- * an immediate watchdog reset */
- mov r1, $0x4000
- str r1, [r0]
- nop
- nop
- nop
- nop
-reset_cpu_loop:
- b reset_cpu_loop
-
-WDT_TGCR:
- .word 0x01c21c24
-WDT_TIM12:
- .word 0x01c21c10
-WDT_TIM34:
- .word 0x01c21c14
-WDT_PRD12:
- .word 0x01c21c18
-WDT_PRD34:
- .word 0x01c21c1c
-WDT_TCR:
- .word 0x01c21c20
-WDT_WDTCR:
- .word 0x01c21c28
-WDTCR_VAL1:
- .word 0xa5c64000
-WDTCR_VAL2:
- .word 0xda7e4000
--- /dev/null
+/*
+ * Processor reset using WDT.
+ *
+ * Copyright (C) 2012 Dmitry Bondar <bond@inmys.ru>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * This file is released under the terms of GPL v2 and any later version.
+ * See the file COPYING in the root directory of the source tree for details.
+*/
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/timer_defs.h>
+#include <asm/arch/hardware.h>
+
+void reset_cpu(unsigned long a)
+{
+ struct davinci_timer *const wdttimer =
+ (struct davinci_timer *)DAVINCI_TIMER1_BASE;
+ writel(0x08, &wdttimer->tgcr);
+ writel(readl(&wdttimer->tgcr) | 0x03, &wdttimer->tgcr);
+ writel(0, &wdttimer->tim12);
+ writel(0, &wdttimer->tim34);
+ writel(0, &wdttimer->prd12);
+ writel(0, &wdttimer->prd34);
+ writel(readl(&wdttimer->tcr) | 0x40, &wdttimer->tcr);
+ writel(readl(&wdttimer->wdtcr) | 0x4000, &wdttimer->wdtcr);
+ writel(0xa5c64000, &wdttimer->wdtcr);
+ writel(0xda7e4000, &wdttimer->wdtcr);
+ writel(0x4000, &wdttimer->wdtcr);
+ while (1)
+ /*nothing*/;
+}
#include <ns16550.h>
#include <malloc.h>
#include <spi_flash.h>
+#include <mmc.h>
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
void board_init_r(gd_t *id, ulong dummy)
{
-#ifdef CONFIG_SPL_NAND_LOAD
- nand_init();
- puts("Nand boot...\n");
- nand_boot();
-#endif
-#ifdef CONFIG_SPL_SPI_LOAD
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
mem_malloc_init(CONFIG_SYS_TEXT_BASE - CONFIG_SYS_MALLOC_LEN,
CONFIG_SYS_MALLOC_LEN);
serial_init(); /* serial communications setup */
gd->have_console = 1;
+#endif
+
+#ifdef CONFIG_SPL_NAND_LOAD
+ nand_init();
+ puts("Nand boot...\n");
+ nand_boot();
+#endif
+#ifdef CONFIG_SPL_SPI_LOAD
puts("SPI boot...\n");
spi_boot();
#endif
+#ifdef CONFIG_SPL_MMC_LOAD
+ puts("MMC boot...\n");
+ spl_mmc_load();
+#endif
}
}
#endif
+void enable_caches(void)
+{
+#ifndef CONFIG_SYS_DCACHE_OFF
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+#endif
+}
+
int cpu_eth_init(bd_t *bis)
{
#if defined(CONFIG_FEC_MXC)
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
#ifdef CONFIG_MXC_MMC
#include <asm/arch/mxcmmc.h>
#endif
void imx_gpio_mode(int gpio_mode)
{
- struct gpio_regs *regs = (struct gpio_regs *)IMX_GPIO_BASE;
+ struct gpio_port_regs *regs = (struct gpio_port_regs *)IMX_GPIO_BASE;
unsigned int pin = gpio_mode & GPIO_PIN_MASK;
unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
/* Data direction */
if (gpio_mode & GPIO_OUT) {
- writel(readl(®s->port[port].ddir) | 1 << pin,
- ®s->port[port].ddir);
+ writel(readl(®s->port[port].gpio_dir) | 1 << pin,
+ ®s->port[port].gpio_dir);
} else {
- writel(readl(®s->port[port].ddir) & ~(1 << pin),
- ®s->port[port].ddir);
+ writel(readl(®s->port[port].gpio_dir) & ~(1 << pin),
+ ®s->port[port].gpio_dir);
}
/* Primary / alternate function */
LIB = $(obj)lib$(SOC).o
-COBJS = clock.o mx28.o iomux.o timer.o
+COBJS = clock.o mxs.o iomux.o timer.o
ifdef CONFIG_SPL_BUILD
COBJS += spl_boot.o spl_lradc_init.o spl_mem_init.o spl_power_init.o
static uint32_t mx28_get_pclk(void)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
uint32_t clkctrl, clkseq, div;
uint8_t clkfrac, frac;
static uint32_t mx28_get_hclk(void)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
uint32_t div;
uint32_t clkctrl;
static uint32_t mx28_get_emiclk(void)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
uint32_t clkctrl, clkseq, div;
uint8_t clkfrac, frac;
static uint32_t mx28_get_gpmiclk(void)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
uint32_t clkctrl, clkseq, div;
uint8_t clkfrac, frac;
*/
void mx28_set_ioclk(enum mxs_ioclock io, uint32_t freq)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
uint32_t div;
int io_reg;
*/
static uint32_t mx28_get_ioclk(enum mxs_ioclock io)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
uint8_t ret;
int io_reg;
*/
void mx28_set_sspclk(enum mxs_sspclock ssp, uint32_t freq, int xtal)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
uint32_t clk, clkreg;
if (ssp > MXC_SSPCLK3)
return;
clkreg = (uint32_t)(&clkctrl_regs->hw_clkctrl_ssp0) +
- (ssp * sizeof(struct mx28_register_32));
+ (ssp * sizeof(struct mxs_register_32));
clrbits_le32(clkreg, CLKCTRL_SSP_CLKGATE);
while (readl(clkreg) & CLKCTRL_SSP_CLKGATE)
*/
static uint32_t mx28_get_sspclk(enum mxs_sspclock ssp)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
uint32_t clkreg;
uint32_t clk, tmp;
return XTAL_FREQ_KHZ;
clkreg = (uint32_t)(&clkctrl_regs->hw_clkctrl_ssp0) +
- (ssp * sizeof(struct mx28_register_32));
+ (ssp * sizeof(struct mxs_register_32));
tmp = readl(clkreg) & CLKCTRL_SSP_DIV_MASK;
*/
void mx28_set_ssp_busclock(unsigned int bus, uint32_t freq)
{
- struct mx28_ssp_regs *ssp_regs;
+ struct mxs_ssp_regs *ssp_regs;
const uint32_t sspclk = mx28_get_sspclk(bus);
uint32_t reg;
uint32_t divide, rate, tgtclk;
- ssp_regs = (struct mx28_ssp_regs *)(MXS_SSP0_BASE + (bus * 0x2000));
+ ssp_regs = (struct mxs_ssp_regs *)(MXS_SSP0_BASE + (bus * 0x2000));
/*
* SSP bit rate = SSPCLK / (CLOCK_DIVIDE * (1 + CLOCK_RATE)),
{
u32 reg, ofs, bp, bm;
void *iomux_base = (void *)MXS_PINCTRL_BASE;
- struct mx28_register_32 *mxs_reg;
+ struct mxs_register_32 *mxs_reg;
/* muxsel */
ofs = 0x100;
/* vol */
if (PAD_VOL_VALID(pad)) {
bp = PAD_PIN(pad) % 8 * 4 + 2;
- mxs_reg = (struct mx28_register_32 *)(iomux_base + ofs);
+ mxs_reg = (struct mxs_register_32 *)(iomux_base + ofs);
if (PAD_VOL(pad))
writel(1 << bp, &mxs_reg->reg_set);
else
ofs = PULL_OFFSET;
ofs += PAD_BANK(pad) * 0x10;
bp = PAD_PIN(pad);
- mxs_reg = (struct mx28_register_32 *)(iomux_base + ofs);
+ mxs_reg = (struct mxs_register_32 *)(iomux_base + ofs);
if (PAD_PULL(pad))
writel(1 << bp, &mxs_reg->reg_set);
else
/* 1 second delay should be plenty of time for block reset. */
#define RESET_MAX_TIMEOUT 1000000
-#define MX28_BLOCK_SFTRST (1 << 31)
-#define MX28_BLOCK_CLKGATE (1 << 30)
+#define MXS_BLOCK_SFTRST (1 << 31)
+#define MXS_BLOCK_CLKGATE (1 << 30)
/* Lowlevel init isn't used on i.MX28, so just have a dummy here */
inline void lowlevel_init(void) {}
void reset_cpu(ulong ignored)
{
- struct mx28_rtc_regs *rtc_regs =
- (struct mx28_rtc_regs *)MXS_RTC_BASE;
- struct mx28_lcdif_regs *lcdif_regs =
- (struct mx28_lcdif_regs *)MXS_LCDIF_BASE;
+ struct mxs_rtc_regs *rtc_regs =
+ (struct mxs_rtc_regs *)MXS_RTC_BASE;
+ struct mxs_lcdif_regs *lcdif_regs =
+ (struct mxs_lcdif_regs *)MXS_LCDIF_BASE;
/*
* Shut down the LCD controller as it interferes with BootROM boot mode
#endif
}
-int mx28_wait_mask_set(struct mx28_register_32 *reg, uint32_t mask, int timeout)
+int mxs_wait_mask_set(struct mxs_register_32 *reg, uint32_t mask, unsigned
+ int timeout)
{
while (--timeout) {
if ((readl(®->reg) & mask) == mask)
return !timeout;
}
-int mx28_wait_mask_clr(struct mx28_register_32 *reg, uint32_t mask, int timeout)
+int mxs_wait_mask_clr(struct mxs_register_32 *reg, uint32_t mask, unsigned
+ int timeout)
{
while (--timeout) {
if ((readl(®->reg) & mask) == 0)
return !timeout;
}
-int mx28_reset_block(struct mx28_register_32 *reg)
+int mxs_reset_block(struct mxs_register_32 *reg)
{
/* Clear SFTRST */
- writel(MX28_BLOCK_SFTRST, ®->reg_clr);
+ writel(MXS_BLOCK_SFTRST, ®->reg_clr);
- if (mx28_wait_mask_clr(reg, MX28_BLOCK_SFTRST, RESET_MAX_TIMEOUT))
+ if (mxs_wait_mask_clr(reg, MXS_BLOCK_SFTRST, RESET_MAX_TIMEOUT))
return 1;
/* Clear CLKGATE */
- writel(MX28_BLOCK_CLKGATE, ®->reg_clr);
+ writel(MXS_BLOCK_CLKGATE, ®->reg_clr);
/* Set SFTRST */
- writel(MX28_BLOCK_SFTRST, ®->reg_set);
+ writel(MXS_BLOCK_SFTRST, ®->reg_set);
/* Wait for CLKGATE being set */
- if (mx28_wait_mask_set(reg, MX28_BLOCK_CLKGATE, RESET_MAX_TIMEOUT))
+ if (mxs_wait_mask_set(reg, MXS_BLOCK_CLKGATE, RESET_MAX_TIMEOUT))
return 1;
/* Clear SFTRST */
- writel(MX28_BLOCK_SFTRST, ®->reg_clr);
+ writel(MXS_BLOCK_SFTRST, ®->reg_clr);
- if (mx28_wait_mask_clr(reg, MX28_BLOCK_SFTRST, RESET_MAX_TIMEOUT))
+ if (mxs_wait_mask_clr(reg, MXS_BLOCK_SFTRST, RESET_MAX_TIMEOUT))
return 1;
/* Clear CLKGATE */
- writel(MX28_BLOCK_CLKGATE, ®->reg_clr);
+ writel(MXS_BLOCK_CLKGATE, ®->reg_clr);
- if (mx28_wait_mask_clr(reg, MX28_BLOCK_CLKGATE, RESET_MAX_TIMEOUT))
+ if (mxs_wait_mask_clr(reg, MXS_BLOCK_CLKGATE, RESET_MAX_TIMEOUT))
return 1;
return 0;
int arch_cpu_init(void)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
extern uint32_t _start;
mx28_fixup_vt((uint32_t)&_start);
}
#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo(void)
+static const char *get_cpu_type(void)
{
- struct mx28_spl_data *data = (struct mx28_spl_data *)
- ((CONFIG_SYS_TEXT_BASE - sizeof(struct mx28_spl_data)) & ~0xf);
+ struct mxs_digctl_regs *digctl_regs =
+ (struct mxs_digctl_regs *)MXS_DIGCTL_BASE;
+
+ switch (readl(&digctl_regs->hw_digctl_chipid) & HW_DIGCTL_CHIPID_MASK) {
+ case HW_DIGCTL_CHIPID_MX28:
+ return "28";
+ default:
+ return "??";
+ }
+}
- printf("Freescale i.MX28 family at %d MHz\n",
- mxc_get_clock(MXC_ARM_CLK) / 1000000);
- printf("BOOT: %s\n", mx28_boot_modes[data->boot_mode_idx].mode);
+static const char *get_cpu_rev(void)
+{
+ struct mxs_digctl_regs *digctl_regs =
+ (struct mxs_digctl_regs *)MXS_DIGCTL_BASE;
+ uint8_t rev = readl(&digctl_regs->hw_digctl_chipid) & 0x000000FF;
+
+ switch (readl(&digctl_regs->hw_digctl_chipid) & HW_DIGCTL_CHIPID_MASK) {
+ case HW_DIGCTL_CHIPID_MX28:
+ switch (rev) {
+ case 0x1:
+ return "1.2";
+ default:
+ return "??";
+ }
+ default:
+ return "??";
+ }
+}
+
+int print_cpuinfo(void)
+{
+ struct mxs_spl_data *data = (struct mxs_spl_data *)
+ ((CONFIG_SYS_TEXT_BASE - sizeof(struct mxs_spl_data)) & ~0xf);
+
+ printf("CPU: Freescale i.MX%s rev%s at %d MHz\n",
+ get_cpu_type(),
+ get_cpu_rev(),
+ mxc_get_clock(MXC_ARM_CLK) / 1000000);
+ printf("BOOT: %s\n", mxs_boot_modes[data->boot_mode_idx].mode);
return 0;
}
#endif
/*
* Initializes on-chip ethernet controllers.
*/
-#ifdef CONFIG_CMD_NET
+#if defined(CONFIG_MX28) && defined(CONFIG_CMD_NET)
int cpu_eth_init(bd_t *bis)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
/* Turn on ENET clocks */
clrbits_le32(&clkctrl_regs->hw_clkctrl_enet,
#define MXS_OCOTP_MAX_TIMEOUT 1000000
void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
{
- struct mx28_ocotp_regs *ocotp_regs =
- (struct mx28_ocotp_regs *)MXS_OCOTP_BASE;
+ struct mxs_ocotp_regs *ocotp_regs =
+ (struct mxs_ocotp_regs *)MXS_OCOTP_BASE;
uint32_t data;
memset(mac, 0, 6);
writel(OCOTP_CTRL_RD_BANK_OPEN, &ocotp_regs->hw_ocotp_ctrl_set);
- if (mx28_wait_mask_clr(&ocotp_regs->hw_ocotp_ctrl_reg, OCOTP_CTRL_BUSY,
+ if (mxs_wait_mask_clr(&ocotp_regs->hw_ocotp_ctrl_reg, OCOTP_CTRL_BUSY,
MXS_OCOTP_MAX_TIMEOUT)) {
printf("MXS FEC: Can't get MAC from OCOTP\n");
return;
}
#endif
-int mx28_dram_init(void)
+int mxs_dram_init(void)
{
- struct mx28_spl_data *data = (struct mx28_spl_data *)
- ((CONFIG_SYS_TEXT_BASE - sizeof(struct mx28_spl_data)) & ~0xf);
+ struct mxs_spl_data *data = (struct mxs_spl_data *)
+ ((CONFIG_SYS_TEXT_BASE - sizeof(struct mxs_spl_data)) & ~0xf);
if (data->mem_dram_size == 0) {
- printf("MX28:\n"
+ printf("MXS:\n"
"Error, the RAM size passed up from SPL is 0!\n");
hang();
}
void early_delay(int delay);
-void mx28_power_init(void);
+void mxs_power_init(void);
#ifdef CONFIG_SPL_MX28_PSWITCH_WAIT
-void mx28_power_wait_pswitch(void);
+void mxs_power_wait_pswitch(void);
#else
-static inline void mx28_power_wait_pswitch(void) { }
+static inline void mxs_power_wait_pswitch(void) { }
#endif
-void mx28_mem_init(void);
-uint32_t mx28_mem_get_size(void);
+void mxs_mem_init(void);
+uint32_t mxs_mem_get_size(void);
-void mx28_lradc_init(void);
-void mx28_lradc_enable_batt_measurement(void);
+void mxs_lradc_init(void);
+void mxs_lradc_enable_batt_measurement(void);
#endif /* __M28_INIT_H__ */
#include <common.h>
#include <config.h>
#include <asm/io.h>
-#include <asm/arch/iomux-mx28.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
-#include "mx28_init.h"
+#include "mxs_init.h"
/*
* This delay function is intended to be used only in early stage of boot, where
MX28_PAD_LCD_D05__GPIO_1_5 | MUX_CONFIG_BOOTMODE_PAD,
};
-uint8_t mx28_get_bootmode_index(void)
+uint8_t mxs_get_bootmode_index(void)
{
uint8_t bootmode = 0;
int i;
bootmode |= (gpio_get_value(MX28_PAD_LCD_D04__GPIO_1_4) ? 1 : 0) << 4;
bootmode |= (gpio_get_value(MX28_PAD_LCD_D05__GPIO_1_5) ? 1 : 0) << 5;
- for (i = 0; i < ARRAY_SIZE(mx28_boot_modes); i++) {
- masked = bootmode & mx28_boot_modes[i].boot_mask;
- if (masked == mx28_boot_modes[i].boot_pads)
+ for (i = 0; i < ARRAY_SIZE(mxs_boot_modes); i++) {
+ masked = bootmode & mxs_boot_modes[i].boot_mask;
+ if (masked == mxs_boot_modes[i].boot_pads)
break;
}
return i;
}
-void mx28_common_spl_init(const iomux_cfg_t *iomux_setup,
+void mxs_common_spl_init(const iomux_cfg_t *iomux_setup,
const unsigned int iomux_size)
{
- struct mx28_spl_data *data = (struct mx28_spl_data *)
- ((CONFIG_SYS_TEXT_BASE - sizeof(struct mx28_spl_data)) & ~0xf);
- uint8_t bootmode = mx28_get_bootmode_index();
+ struct mxs_spl_data *data = (struct mxs_spl_data *)
+ ((CONFIG_SYS_TEXT_BASE - sizeof(struct mxs_spl_data)) & ~0xf);
+ uint8_t bootmode = mxs_get_bootmode_index();
mxs_iomux_setup_multiple_pads(iomux_setup, iomux_size);
- mx28_power_init();
+ mxs_power_init();
- mx28_mem_init();
- data->mem_dram_size = mx28_mem_get_size();
+ mxs_mem_init();
+ data->mem_dram_size = mxs_mem_get_size();
data->boot_mode_idx = bootmode;
- mx28_power_wait_pswitch();
+ mxs_power_wait_pswitch();
}
/* Support aparatus */
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
-#include "mx28_init.h"
+#include "mxs_init.h"
-void mx28_lradc_init(void)
+void mxs_lradc_init(void)
{
- struct mx28_lradc_regs *regs = (struct mx28_lradc_regs *)MXS_LRADC_BASE;
+ struct mxs_lradc_regs *regs = (struct mxs_lradc_regs *)MXS_LRADC_BASE;
writel(LRADC_CTRL0_SFTRST, ®s->hw_lradc_ctrl0_clr);
writel(LRADC_CTRL0_CLKGATE, ®s->hw_lradc_ctrl0_clr);
LRADC_CTRL4_LRADC6SELECT_CHANNEL10);
}
-void mx28_lradc_enable_batt_measurement(void)
+void mxs_lradc_enable_batt_measurement(void)
{
- struct mx28_lradc_regs *regs = (struct mx28_lradc_regs *)MXS_LRADC_BASE;
+ struct mxs_lradc_regs *regs = (struct mxs_lradc_regs *)MXS_LRADC_BASE;
/* Check if the channel is present at all. */
if (!(readl(®s->hw_lradc_status) & LRADC_STATUS_CHANNEL7_PRESENT))
#include <common.h>
#include <config.h>
#include <asm/io.h>
-#include <asm/arch/iomux-mx28.h>
#include <asm/arch/imx-regs.h>
-#include "mx28_init.h"
+#include "mxs_init.h"
-uint32_t dram_vals[] = {
+static uint32_t mx28_dram_vals[] = {
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00010001
};
-void __mx28_adjust_memory_params(uint32_t *dram_vals)
+void __mxs_adjust_memory_params(uint32_t *dram_vals)
{
}
-void mx28_adjust_memory_params(uint32_t *dram_vals)
- __attribute__((weak, alias("__mx28_adjust_memory_params")));
+void mxs_adjust_memory_params(uint32_t *dram_vals)
+ __attribute__((weak, alias("__mxs_adjust_memory_params")));
-void init_m28_200mhz_ddr2(void)
+void init_mx28_200mhz_ddr2(void)
{
int i;
- mx28_adjust_memory_params(dram_vals);
+ mxs_adjust_memory_params(mx28_dram_vals);
- for (i = 0; i < ARRAY_SIZE(dram_vals); i++)
- writel(dram_vals[i], MXS_DRAM_BASE + (4 * i));
+ for (i = 0; i < ARRAY_SIZE(mx28_dram_vals); i++)
+ writel(mx28_dram_vals[i], MXS_DRAM_BASE + (4 * i));
}
-void mx28_mem_init_clock(void)
+void mxs_mem_init_clock(void)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
/* Gate EMI clock */
writeb(CLKCTRL_FRAC_CLKGATE,
early_delay(10000);
}
-void mx28_mem_setup_cpu_and_hbus(void)
+void mxs_mem_setup_cpu_and_hbus(void)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
/* Set fractional divider for ref_cpu to 480 * 18 / 19 = 454MHz
* and ungate CPU clock */
early_delay(15000);
}
-void mx28_mem_setup_vdda(void)
+void mxs_mem_setup_vdda(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
writel((0xc << POWER_VDDACTRL_TRG_OFFSET) |
(0x7 << POWER_VDDACTRL_BO_OFFSET_OFFSET) |
&power_regs->hw_power_vddactrl);
}
-void mx28_mem_setup_vddd(void)
+void mxs_mem_setup_vddd(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
writel((0x1c << POWER_VDDDCTRL_TRG_OFFSET) |
(0x7 << POWER_VDDDCTRL_BO_OFFSET_OFFSET) |
&power_regs->hw_power_vdddctrl);
}
-uint32_t mx28_mem_get_size(void)
+uint32_t mxs_mem_get_size(void)
{
uint32_t sz, da;
uint32_t *vt = (uint32_t *)0x20;
return sz;
}
-void mx28_mem_init(void)
+void mxs_mem_init(void)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
- struct mx28_pinctrl_regs *pinctrl_regs =
- (struct mx28_pinctrl_regs *)MXS_PINCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_pinctrl_regs *pinctrl_regs =
+ (struct mxs_pinctrl_regs *)MXS_PINCTRL_BASE;
/* Set DDR2 mode */
writel(PINCTRL_EMI_DS_CTRL_DDR_MODE_DDR2,
early_delay(11000);
- mx28_mem_init_clock();
+ mxs_mem_init_clock();
- mx28_mem_setup_vdda();
+ mxs_mem_setup_vdda();
/*
* Configure the DRAM registers
/* Clear START bit from DRAM_CTL16 */
clrbits_le32(MXS_DRAM_BASE + 0x40, 1);
- init_m28_200mhz_ddr2();
+ init_mx28_200mhz_ddr2();
/* Clear SREFRESH bit from DRAM_CTL17 */
clrbits_le32(MXS_DRAM_BASE + 0x44, 1);
while (!(readl(MXS_DRAM_BASE + 0xe8) & (1 << 20)))
;
- mx28_mem_setup_vddd();
+ mxs_mem_setup_vddd();
early_delay(10000);
- mx28_mem_setup_cpu_and_hbus();
+ mxs_mem_setup_cpu_and_hbus();
}
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
-#include "mx28_init.h"
+#include "mxs_init.h"
-void mx28_power_clock2xtal(void)
+void mxs_power_clock2xtal(void)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
/* Set XTAL as CPU reference clock */
writel(CLKCTRL_CLKSEQ_BYPASS_CPU,
&clkctrl_regs->hw_clkctrl_clkseq_set);
}
-void mx28_power_clock2pll(void)
+void mxs_power_clock2pll(void)
{
- struct mx28_clkctrl_regs *clkctrl_regs =
- (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
setbits_le32(&clkctrl_regs->hw_clkctrl_pll0ctrl0,
CLKCTRL_PLL0CTRL0_POWER);
CLKCTRL_CLKSEQ_BYPASS_CPU);
}
-void mx28_power_clear_auto_restart(void)
+void mxs_power_clear_auto_restart(void)
{
- struct mx28_rtc_regs *rtc_regs =
- (struct mx28_rtc_regs *)MXS_RTC_BASE;
+ struct mxs_rtc_regs *rtc_regs =
+ (struct mxs_rtc_regs *)MXS_RTC_BASE;
writel(RTC_CTRL_SFTRST, &rtc_regs->hw_rtc_ctrl_clr);
while (readl(&rtc_regs->hw_rtc_ctrl) & RTC_CTRL_SFTRST)
;
}
-void mx28_power_set_linreg(void)
+void mxs_power_set_linreg(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
/* Set linear regulator 25mV below switching converter */
clrsetbits_le32(&power_regs->hw_power_vdddctrl,
POWER_VDDIOCTRL_LINREG_OFFSET_1STEPS_BELOW);
}
-int mx28_get_batt_volt(void)
+int mxs_get_batt_volt(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
uint32_t volt = readl(&power_regs->hw_power_battmonitor);
volt &= POWER_BATTMONITOR_BATT_VAL_MASK;
volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET;
return volt;
}
-int mx28_is_batt_ready(void)
+int mxs_is_batt_ready(void)
{
- return (mx28_get_batt_volt() >= 3600);
+ return (mxs_get_batt_volt() >= 3600);
}
-int mx28_is_batt_good(void)
+int mxs_is_batt_good(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
- uint32_t volt = mx28_get_batt_volt();
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
+ uint32_t volt = mxs_get_batt_volt();
if ((volt >= 2400) && (volt <= 4300))
return 1;
early_delay(500000);
- volt = mx28_get_batt_volt();
+ volt = mxs_get_batt_volt();
if (volt >= 3500)
return 0;
return 0;
}
-void mx28_power_setup_5v_detect(void)
+void mxs_power_setup_5v_detect(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
/* Start 5V detection */
clrsetbits_le32(&power_regs->hw_power_5vctrl,
POWER_5VCTRL_PWRUP_VBUS_CMPS);
}
-void mx28_src_power_init(void)
+void mxs_src_power_init(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
/* Improve efficieny and reduce transient ripple */
writel(POWER_LOOPCTRL_TOGGLE_DIF | POWER_LOOPCTRL_EN_CM_HYST |
clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_DCDC_XFER);
}
-void mx28_power_init_4p2_params(void)
+void mxs_power_init_4p2_params(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
/* Setup 4P2 parameters */
clrsetbits_le32(&power_regs->hw_power_dcdc4p2,
0x3f << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET);
}
-void mx28_enable_4p2_dcdc_input(int xfer)
+void mxs_enable_4p2_dcdc_input(int xfer)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
uint32_t tmp, vbus_thresh, vbus_5vdetect, pwd_bo;
uint32_t prev_5v_brnout, prev_5v_droop;
POWER_CTRL_ENIRQ_VDD5V_DROOP);
}
-void mx28_power_init_4p2_regulator(void)
+void mxs_power_init_4p2_regulator(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
uint32_t tmp, tmp2;
setbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_ENABLE_4P2);
* gradually to avoid large inrush current from the 5V cable which can
* cause transients/problems
*/
- mx28_enable_4p2_dcdc_input(0);
+ mxs_enable_4p2_dcdc_input(0);
if (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) {
/*
writel(POWER_CTRL_DCDC4P2_BO_IRQ, &power_regs->hw_power_ctrl_clr);
}
-void mx28_power_init_dcdc_4p2_source(void)
+void mxs_power_init_dcdc_4p2_source(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
if (!(readl(&power_regs->hw_power_dcdc4p2) &
POWER_DCDC4P2_ENABLE_DCDC)) {
hang();
}
- mx28_enable_4p2_dcdc_input(1);
+ mxs_enable_4p2_dcdc_input(1);
if (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) {
clrbits_le32(&power_regs->hw_power_dcdc4p2,
}
}
-void mx28_power_enable_4p2(void)
+void mxs_power_enable_4p2(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
uint32_t vdddctrl, vddactrl, vddioctrl;
uint32_t tmp;
setbits_le32(&power_regs->hw_power_vddioctrl,
POWER_VDDIOCTRL_DISABLE_FET | POWER_VDDIOCTRL_PWDN_BRNOUT);
- mx28_power_init_4p2_params();
- mx28_power_init_4p2_regulator();
+ mxs_power_init_4p2_params();
+ mxs_power_init_4p2_regulator();
/* Shutdown battery (none present) */
- if (!mx28_is_batt_ready()) {
+ if (!mxs_is_batt_ready()) {
clrbits_le32(&power_regs->hw_power_dcdc4p2,
POWER_DCDC4P2_BO_MASK);
writel(POWER_CTRL_DCDC4P2_BO_IRQ,
&power_regs->hw_power_ctrl_clr);
}
- mx28_power_init_dcdc_4p2_source();
+ mxs_power_init_dcdc_4p2_source();
writel(vdddctrl, &power_regs->hw_power_vdddctrl);
early_delay(20);
&power_regs->hw_power_charge_clr);
}
-void mx28_boot_valid_5v(void)
+void mxs_boot_valid_5v(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
/*
* Use VBUSVALID level instead of VDD5V_GT_VDDIO level to trigger a 5V
writel(POWER_CTRL_VBUS_VALID_IRQ | POWER_CTRL_VDD5V_GT_VDDIO_IRQ,
&power_regs->hw_power_ctrl_clr);
- mx28_power_enable_4p2();
+ mxs_power_enable_4p2();
}
-void mx28_powerdown(void)
+void mxs_powerdown(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
writel(POWER_RESET_UNLOCK_KEY, &power_regs->hw_power_reset);
writel(POWER_RESET_UNLOCK_KEY | POWER_RESET_PWD_OFF,
&power_regs->hw_power_reset);
}
-void mx28_batt_boot(void)
+void mxs_batt_boot(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_PWDN_5VBRNOUT);
clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_ENABLE_DCDC);
clrsetbits_le32(&power_regs->hw_power_minpwr,
POWER_MINPWR_HALFFETS, POWER_MINPWR_DOUBLE_FETS);
- mx28_power_set_linreg();
+ mxs_power_set_linreg();
clrbits_le32(&power_regs->hw_power_vdddctrl,
POWER_VDDDCTRL_DISABLE_FET | POWER_VDDDCTRL_ENABLE_LINREG);
0x8 << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET);
}
-void mx28_handle_5v_conflict(void)
+void mxs_handle_5v_conflict(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
uint32_t tmp;
setbits_le32(&power_regs->hw_power_vddioctrl,
tmp = readl(&power_regs->hw_power_sts);
if (tmp & POWER_STS_VDDIO_BO) {
- mx28_powerdown();
+ /*
+ * VDDIO has a brownout, then the VDD5V_GT_VDDIO becomes
+ * unreliable
+ */
+ mxs_powerdown();
break;
}
if (tmp & POWER_STS_VDD5V_GT_VDDIO) {
- mx28_boot_valid_5v();
+ mxs_boot_valid_5v();
break;
} else {
- mx28_powerdown();
+ mxs_powerdown();
break;
}
if (tmp & POWER_STS_PSWITCH_MASK) {
- mx28_batt_boot();
+ mxs_batt_boot();
break;
}
}
}
-void mx28_5v_boot(void)
+void mxs_5v_boot(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
/*
* NOTE: In original IMX-Bootlets, this also checks for VBUSVALID,
* but their implementation always returns 1 so we omit it here.
*/
if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) {
- mx28_boot_valid_5v();
+ mxs_boot_valid_5v();
return;
}
early_delay(1000);
if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) {
- mx28_boot_valid_5v();
+ mxs_boot_valid_5v();
return;
}
- mx28_handle_5v_conflict();
+ mxs_handle_5v_conflict();
}
-void mx28_init_batt_bo(void)
+void mxs_init_batt_bo(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
/* Brownout at 3V */
clrsetbits_le32(&power_regs->hw_power_battmonitor,
writel(POWER_CTRL_ENIRQ_BATT_BO, &power_regs->hw_power_ctrl_clr);
}
-void mx28_switch_vddd_to_dcdc_source(void)
+void mxs_switch_vddd_to_dcdc_source(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
clrsetbits_le32(&power_regs->hw_power_vdddctrl,
POWER_VDDDCTRL_LINREG_OFFSET_MASK,
POWER_VDDDCTRL_DISABLE_STEPPING);
}
-void mx28_power_configure_power_source(void)
+void mxs_power_configure_power_source(void)
{
int batt_ready, batt_good;
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
- struct mx28_lradc_regs *lradc_regs =
- (struct mx28_lradc_regs *)MXS_LRADC_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
+ struct mxs_lradc_regs *lradc_regs =
+ (struct mxs_lradc_regs *)MXS_LRADC_BASE;
- mx28_src_power_init();
-
- batt_ready = mx28_is_batt_ready();
+ mxs_src_power_init();
if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) {
- batt_good = mx28_is_batt_good();
+ batt_ready = mxs_is_batt_ready();
if (batt_ready) {
/* 5V source detected, good battery detected. */
- mx28_batt_boot();
+ mxs_batt_boot();
} else {
- if (batt_good) {
- /* 5V source detected, low battery detceted. */
- } else {
+ batt_good = mxs_is_batt_good();
+ if (!batt_good) {
/* 5V source detected, bad battery detected. */
writel(LRADC_CONVERSION_AUTOMATIC,
&lradc_regs->hw_lradc_conversion_clr);
clrbits_le32(&power_regs->hw_power_battmonitor,
POWER_BATTMONITOR_BATT_VAL_MASK);
}
- mx28_5v_boot();
+ mxs_5v_boot();
}
} else {
/* 5V not detected, booting from battery. */
- mx28_batt_boot();
+ mxs_batt_boot();
}
- mx28_power_clock2pll();
+ mxs_power_clock2pll();
- mx28_init_batt_bo();
+ mxs_init_batt_bo();
- mx28_switch_vddd_to_dcdc_source();
+ mxs_switch_vddd_to_dcdc_source();
}
-void mx28_enable_output_rail_protection(void)
+void mxs_enable_output_rail_protection(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ |
POWER_CTRL_VDDIO_BO_IRQ, &power_regs->hw_power_ctrl_clr);
POWER_VDDIOCTRL_PWDN_BRNOUT);
}
-int mx28_get_vddio_power_source_off(void)
+int mxs_get_vddio_power_source_off(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
uint32_t tmp;
if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) {
tmp = readl(&power_regs->hw_power_vddioctrl);
if (tmp & POWER_VDDIOCTRL_DISABLE_FET) {
if ((tmp & POWER_VDDIOCTRL_LINREG_OFFSET_MASK) ==
- POWER_VDDDCTRL_LINREG_OFFSET_0STEPS) {
+ POWER_VDDIOCTRL_LINREG_OFFSET_0STEPS) {
return 1;
}
}
if (!(readl(&power_regs->hw_power_5vctrl) &
POWER_5VCTRL_ENABLE_DCDC)) {
if ((tmp & POWER_VDDIOCTRL_LINREG_OFFSET_MASK) ==
- POWER_VDDDCTRL_LINREG_OFFSET_0STEPS) {
+ POWER_VDDIOCTRL_LINREG_OFFSET_0STEPS) {
return 1;
}
}
}
-int mx28_get_vddd_power_source_off(void)
+int mxs_get_vddd_power_source_off(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
uint32_t tmp;
tmp = readl(&power_regs->hw_power_vdddctrl);
return 0;
}
-void mx28_power_set_vddio(uint32_t new_target, uint32_t new_brownout)
+void mxs_power_set_vddio(uint32_t new_target, uint32_t new_brownout)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
uint32_t cur_target, diff, bo_int = 0;
uint32_t powered_by_linreg = 0;
- new_brownout = new_target - new_brownout;
+ new_brownout = (new_target - new_brownout + 25) / 50;
cur_target = readl(&power_regs->hw_power_vddioctrl);
cur_target &= POWER_VDDIOCTRL_TRG_MASK;
cur_target *= 50; /* 50 mV step*/
cur_target += 2800; /* 2800 mV lowest */
- powered_by_linreg = mx28_get_vddio_power_source_off();
+ powered_by_linreg = mxs_get_vddio_power_source_off();
if (new_target > cur_target) {
if (powered_by_linreg) {
}
clrsetbits_le32(&power_regs->hw_power_vddioctrl,
- POWER_VDDDCTRL_BO_OFFSET_MASK,
- new_brownout << POWER_VDDDCTRL_BO_OFFSET_OFFSET);
+ POWER_VDDIOCTRL_BO_OFFSET_MASK,
+ new_brownout << POWER_VDDIOCTRL_BO_OFFSET_OFFSET);
}
-void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout)
+void mxs_power_set_vddd(uint32_t new_target, uint32_t new_brownout)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
uint32_t cur_target, diff, bo_int = 0;
uint32_t powered_by_linreg = 0;
- new_brownout = new_target - new_brownout;
+ new_brownout = (new_target - new_brownout + 12) / 25;
cur_target = readl(&power_regs->hw_power_vdddctrl);
cur_target &= POWER_VDDDCTRL_TRG_MASK;
cur_target *= 25; /* 25 mV step*/
cur_target += 800; /* 800 mV lowest */
- powered_by_linreg = mx28_get_vddd_power_source_off();
+ powered_by_linreg = mxs_get_vddd_power_source_off();
if (new_target > cur_target) {
if (powered_by_linreg) {
bo_int = readl(&power_regs->hw_power_vdddctrl);
new_brownout << POWER_VDDDCTRL_BO_OFFSET_OFFSET);
}
-void mx28_setup_batt_detect(void)
+void mxs_setup_batt_detect(void)
{
- mx28_lradc_init();
- mx28_lradc_enable_batt_measurement();
+ mxs_lradc_init();
+ mxs_lradc_enable_batt_measurement();
early_delay(10);
}
-void mx28_power_init(void)
+void mxs_power_init(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
- mx28_power_clock2xtal();
- mx28_power_clear_auto_restart();
- mx28_power_set_linreg();
- mx28_power_setup_5v_detect();
+ mxs_power_clock2xtal();
+ mxs_power_clear_auto_restart();
+ mxs_power_set_linreg();
+ mxs_power_setup_5v_detect();
- mx28_setup_batt_detect();
+ mxs_setup_batt_detect();
- mx28_power_configure_power_source();
- mx28_enable_output_rail_protection();
+ mxs_power_configure_power_source();
+ mxs_enable_output_rail_protection();
- mx28_power_set_vddio(3300, 3150);
+ mxs_power_set_vddio(3300, 3150);
- mx28_power_set_vddd(1350, 1200);
+ mxs_power_set_vddd(1350, 1200);
writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ |
POWER_CTRL_VDDIO_BO_IRQ | POWER_CTRL_VDD5V_DROOP_IRQ |
}
#ifdef CONFIG_SPL_MX28_PSWITCH_WAIT
-void mx28_power_wait_pswitch(void)
+void mxs_power_wait_pswitch(void)
{
- struct mx28_power_regs *power_regs =
- (struct mx28_power_regs *)MXS_POWER_BASE;
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)MXS_POWER_BASE;
while (!(readl(&power_regs->hw_power_sts) & POWER_STS_PSWITCH_MASK))
;
orr r0,r0,#0xd3
msr cpsr,r0
- /*
- * we do sys-critical inits only at reboot,
- * not when booting from ram!
- */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
- bl cpu_init_crit
-#endif
-
bl board_init_ll
/*
pop {r0-r12,r14}
bx lr
-/*
- *************************************************************************
- *
- * CPU_init_critical registers
- *
- * setup important registers
- * setup memory timing
- *
- *************************************************************************
- */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
-cpu_init_crit:
- /*
- * flush v4 I/D caches
- */
- mov r0, #0
- mcr p15, 0, r0, c7, c7, 0 /* flush v3/v4 cache */
- mcr p15, 0, r0, c8, c7, 0 /* flush v4 TLB */
-
- /*
- * disable MMU stuff and caches
- */
- mrc p15, 0, r0, c1, c0, 0
- bic r0, r0, #0x00002300 /* clear bits 13, 9:8 (--V- --RS) */
- bic r0, r0, #0x00000087 /* clear bits 7, 2:0 (B--- -CAM) */
- orr r0, r0, #0x00000002 /* set bit 2 (A) Align */
- orr r0, r0, #0x00001000 /* set bit 12 (I) I-Cache */
- mcr p15, 0, r0, c1, c0, 0
-
- mov pc, lr /* back to my caller */
-
- .align 5
-#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
-
_hang:
ldr sp, _TEXT_BASE /* switch to abort stack */
1:
int timer_init(void)
{
- struct mx28_timrot_regs *timrot_regs =
- (struct mx28_timrot_regs *)MXS_TIMROT_BASE;
+ struct mxs_timrot_regs *timrot_regs =
+ (struct mxs_timrot_regs *)MXS_TIMROT_BASE;
/* Reset Timers and Rotary Encoder module */
- mx28_reset_block(&timrot_regs->hw_timrot_rotctrl_reg);
+ mxs_reset_block(&timrot_regs->hw_timrot_rotctrl_reg);
/* Set fixed_count to 0 */
writel(0, &timrot_regs->hw_timrot_fixed_count0);
unsigned long long get_ticks(void)
{
- struct mx28_timrot_regs *timrot_regs =
- (struct mx28_timrot_regs *)MXS_TIMROT_BASE;
+ struct mxs_timrot_regs *timrot_regs =
+ (struct mxs_timrot_regs *)MXS_TIMROT_BASE;
/* Current tick value */
uint32_t now = readl(&timrot_regs->hw_timrot_running_count0);
. = ALIGN(4);
.text :
{
- arch/arm/cpu/arm926ejs/mx28/start.o (.text)
+ arch/arm/cpu/arm926ejs/mxs/start.o (.text)
*(.text)
}
COBJS += cpu.o
COBJS += syslib.o
+ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA20),)
+SOBJS += lowlevel_init.o
+endif
+
SRCS := $(START:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
START := $(addprefix $(obj),$(START))
all: $(obj).depend $(START) $(LIB)
*/
#include <common.h>
+#include <errno.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/omap.h>
#include <asm/arch/ddr_defs.h>
#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
#include <asm/arch/mmc_host_def.h>
-#include <asm/arch/common_def.h>
+#include <asm/arch/sys_proto.h>
#include <asm/io.h>
#include <asm/omap_common.h>
+#include <asm/emif.h>
+#include <asm/gpio.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <cpsw.h>
DECLARE_GLOBAL_DATA_PTR;
struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE;
struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
+static const struct gpio_bank gpio_bank_am33xx[4] = {
+ { (void *)AM33XX_GPIO0_BASE, METHOD_GPIO_24XX },
+ { (void *)AM33XX_GPIO1_BASE, METHOD_GPIO_24XX },
+ { (void *)AM33XX_GPIO2_BASE, METHOD_GPIO_24XX },
+ { (void *)AM33XX_GPIO3_BASE, METHOD_GPIO_24XX },
+};
+
+const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx;
+
+/* MII mode defines */
+#define MII_MODE_ENABLE 0x0
+#define RGMII_MODE_ENABLE 0xA
+
+/* GPIO that controls power to DDR on EVM-SK */
+#define GPIO_DDR_VTT_EN 7
+
+static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+
+static struct am335x_baseboard_id __attribute__((section (".data"))) header;
+
+static inline int board_is_bone(void)
+{
+ return !strncmp(header.name, "A335BONE", HDR_NAME_LEN);
+}
+
+static inline int board_is_evm_sk(void)
+{
+ return !strncmp("A335X_SK", header.name, HDR_NAME_LEN);
+}
+
+/*
+ * Read header information from EEPROM into global structure.
+ */
+static int read_eeprom(void)
+{
+ /* Check if baseboard eeprom is available */
+ if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
+ puts("Could not probe the EEPROM; something fundamentally "
+ "wrong on the I2C bus.\n");
+ return -ENODEV;
+ }
+
+ /* read the eeprom using i2c */
+ if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 2, (uchar *)&header,
+ sizeof(header))) {
+ puts("Could not read the EEPROM; something fundamentally"
+ " wrong on the I2C bus.\n");
+ return -EIO;
+ }
+
+ if (header.magic != 0xEE3355AA) {
+ /*
+ * read the eeprom using i2c again,
+ * but use only a 1 byte address
+ */
+ if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 1,
+ (uchar *)&header, sizeof(header))) {
+ puts("Could not read the EEPROM; something "
+ "fundamentally wrong on the I2C bus.\n");
+ return -EIO;
+ }
+
+ if (header.magic != 0xEE3355AA) {
+ printf("Incorrect magic number (0x%x) in EEPROM\n",
+ header.magic);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
/* UART Defines */
#ifdef CONFIG_SPL_BUILD
#define UART_RESET (0x1 << 1)
}
#endif
+/*
+ * Determine what type of DDR we have.
+ */
+static short inline board_memory_type(void)
+{
+ /* The following boards are known to use DDR3. */
+ if (board_is_evm_sk())
+ return EMIF_REG_SDRAM_TYPE_DDR3;
+
+ return EMIF_REG_SDRAM_TYPE_DDR2;
+}
+
/*
* early system init of muxing and clocks.
*/
preloader_console_init();
- config_ddr();
-#endif
+ /* Initalize the board header */
+ enable_i2c0_pin_mux();
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+ if (read_eeprom() < 0)
+ puts("Could not get board ID.\n");
+
+ enable_board_pin_mux(&header);
+ if (board_is_evm_sk()) {
+ /*
+ * EVM SK 1.2A and later use gpio0_7 to enable DDR3.
+ * This is safe enough to do on older revs.
+ */
+ gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
+ gpio_direction_output(GPIO_DDR_VTT_EN, 1);
+ }
- /* Enable MMC0 */
- enable_mmc0_pin_mux();
+ config_ddr(board_memory_type());
+#endif
}
#if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
- return omap_mmc_init(0, 0, 0);
+ int ret;
+
+ ret = omap_mmc_init(0, 0, 0);
+ if (ret)
+ return ret;
+
+ return omap_mmc_init(1, 0, 0);
}
#endif
/* Not yet implemented */
return;
}
+
+/*
+ * Basic board specific setup. Pinmux has been handled already.
+ */
+int board_init(void)
+{
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+ if (read_eeprom() < 0)
+ puts("Could not get board ID.\n");
+
+ gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
+
+ return 0;
+}
+
+#ifdef CONFIG_DRIVER_TI_CPSW
+static void cpsw_control(int enabled)
+{
+ /* VTP can be added here */
+
+ return;
+}
+
+static struct cpsw_slave_data cpsw_slaves[] = {
+ {
+ .slave_reg_ofs = 0x208,
+ .sliver_reg_ofs = 0xd80,
+ .phy_id = 0,
+ },
+ {
+ .slave_reg_ofs = 0x308,
+ .sliver_reg_ofs = 0xdc0,
+ .phy_id = 1,
+ },
+};
+
+static struct cpsw_platform_data cpsw_data = {
+ .mdio_base = AM335X_CPSW_MDIO_BASE,
+ .cpsw_base = AM335X_CPSW_BASE,
+ .mdio_div = 0xff,
+ .channels = 8,
+ .cpdma_reg_ofs = 0x800,
+ .slaves = 1,
+ .slave_data = cpsw_slaves,
+ .ale_reg_ofs = 0xd00,
+ .ale_entries = 1024,
+ .host_port_reg_ofs = 0x108,
+ .hw_stats_reg_ofs = 0x900,
+ .mac_control = (1 << 5),
+ .control = cpsw_control,
+ .host_port_num = 0,
+ .version = CPSW_CTRL_VERSION_2,
+};
+
+int board_eth_init(bd_t *bis)
+{
+ uint8_t mac_addr[6];
+ uint32_t mac_hi, mac_lo;
+
+ if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
+ debug("<ethaddr> not set. Reading from E-fuse\n");
+ /* try reading mac address from efuse */
+ mac_lo = readl(&cdev->macid0l);
+ mac_hi = readl(&cdev->macid0h);
+ mac_addr[0] = mac_hi & 0xFF;
+ mac_addr[1] = (mac_hi & 0xFF00) >> 8;
+ mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
+ mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
+ mac_addr[4] = mac_lo & 0xFF;
+ mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+
+ if (is_valid_ether_addr(mac_addr))
+ eth_setenv_enetaddr("ethaddr", mac_addr);
+ else
+ return -1;
+ }
+
+ if (board_is_bone()) {
+ writel(MII_MODE_ENABLE, &cdev->miisel);
+ cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
+ PHY_INTERFACE_MODE_MII;
+ } else {
+ writel(RGMII_MODE_ENABLE, &cdev->miisel);
+ cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
+ PHY_INTERFACE_MODE_RGMII;
+ }
+
+ return cpsw_register(&cpsw_data);
+}
+#endif
#define PRCM_MOD_EN 0x2
#define PRCM_FORCE_WAKEUP 0x2
+#define PRCM_FUNCTL 0x0
#define PRCM_EMIF_CLK_ACTIVITY BIT(2)
#define PRCM_L3_GCLK_ACTIVITY BIT(4)
#define CLK_MODE_SEL 0x7
#define CLK_MODE_MASK 0xfffffff8
#define CLK_DIV_SEL 0xFFFFFFE0
-
+#define CPGMAC0_IDLE 0x30000
const struct cm_perpll *cmper = (struct cm_perpll *)CM_PER;
const struct cm_wkuppll *cmwkup = (struct cm_wkuppll *)CM_WKUP;
writel(PRCM_MOD_EN, &cmper->l4hsclkctrl);
while (readl(&cmper->l4hsclkctrl) != PRCM_MOD_EN)
;
+
+ writel(PRCM_MOD_EN, &cmwkup->wkgpio0clkctrl);
+ while (readl(&cmwkup->wkgpio0clkctrl) != PRCM_MOD_EN)
+ ;
}
/*
writel(PRCM_MOD_EN, &cmwkup->wkup_i2c0ctrl);
while (readl(&cmwkup->wkup_i2c0ctrl) != PRCM_MOD_EN)
;
+
+ /* gpio1 module */
+ writel(PRCM_MOD_EN, &cmper->gpio1clkctrl);
+ while (readl(&cmper->gpio1clkctrl) != PRCM_MOD_EN)
+ ;
+
+ /* gpio2 module */
+ writel(PRCM_MOD_EN, &cmper->gpio2clkctrl);
+ while (readl(&cmper->gpio2clkctrl) != PRCM_MOD_EN)
+ ;
+
+ /* gpio3 module */
+ writel(PRCM_MOD_EN, &cmper->gpio3clkctrl);
+ while (readl(&cmper->gpio3clkctrl) != PRCM_MOD_EN)
+ ;
+
+ /* i2c1 */
+ writel(PRCM_MOD_EN, &cmper->i2c1clkctrl);
+ while (readl(&cmper->i2c1clkctrl) != PRCM_MOD_EN)
+ ;
+
+ /* Ethernet */
+ writel(PRCM_MOD_EN, &cmper->cpgmac0clkctrl);
+ while ((readl(&cmper->cpgmac0clkctrl) & CPGMAC0_IDLE) != PRCM_FUNCTL)
+ ;
+
+ /* spi0 */
+ writel(PRCM_MOD_EN, &cmper->spi0clkctrl);
+ while (readl(&cmper->spi0clkctrl) != PRCM_MOD_EN)
+ ;
}
static void mpu_pll_config(void)
;
}
-static void ddr_pll_config(void)
+void ddr_pll_config(unsigned int ddrpll_m)
{
u32 clkmode, clksel, div_m2;
;
clksel = clksel & (~CLK_SEL_MASK);
- clksel = clksel | ((DDRPLL_M << CLK_SEL_SHIFT) | DDRPLL_N);
+ clksel = clksel | ((ddrpll_m << CLK_SEL_SHIFT) | DDRPLL_N);
writel(clksel, &cmwkup->clkseldpllddr);
div_m2 = div_m2 & CLK_DIV_SEL;
writel(PRCM_MOD_EN, &cmper->emiffwclkctrl);
/* Enable EMIF0 Clock */
writel(PRCM_MOD_EN, &cmper->emifclkctrl);
- /* Poll for emif_gclk & L3_G clock are active */
- while ((readl(&cmper->l3clkstctrl) & (PRCM_EMIF_CLK_ACTIVITY |
- PRCM_L3_GCLK_ACTIVITY)) != (PRCM_EMIF_CLK_ACTIVITY |
- PRCM_L3_GCLK_ACTIVITY))
- ;
/* Poll if module is functional */
while ((readl(&cmper->emifclkctrl)) != PRCM_MOD_EN)
;
mpu_pll_config();
core_pll_config();
per_pll_config();
- ddr_pll_config();
/* Enable the required interconnect clocks */
enable_interface_clocks();
#include <asm/arch/cpu.h>
#include <asm/arch/ddr_defs.h>
+#include <asm/arch/sys_proto.h>
#include <asm/io.h>
+#include <asm/emif.h>
/**
* Base address for EMIF instances
*/
-static struct emif_regs *emif_reg = {
- (struct emif_regs *)EMIF4_0_CFG_BASE};
+static struct emif_reg_struct *emif_reg = {
+ (struct emif_reg_struct *)EMIF4_0_CFG_BASE};
/**
* Base address for DDR instance
static struct ddr_cmdtctrl *ioctrl_reg = {
(struct ddr_cmdtctrl *)DDR_CONTROL_BASE_ADDR};
-/**
- * As a convention, all functions here return 0 on success
- * -1 on failure.
- */
-
/**
* Configure SDRAM
*/
-int config_sdram(struct sdram_config *cfg)
+void config_sdram(const struct emif_regs *regs)
{
- writel(cfg->sdrcr, &emif_reg->sdrcr);
- writel(cfg->sdrcr2, &emif_reg->sdrcr2);
- writel(cfg->refresh, &emif_reg->sdrrcr);
- writel(cfg->refresh_sh, &emif_reg->sdrrcsr);
-
- return 0;
+ writel(regs->ref_ctrl, &emif_reg->emif_sdram_ref_ctrl);
+ writel(regs->ref_ctrl, &emif_reg->emif_sdram_ref_ctrl_shdw);
+ if (regs->zq_config){
+ writel(regs->zq_config, &emif_reg->emif_zq_config);
+ writel(regs->sdram_config, &cstat->secure_emif_sdram_config);
+ }
+ writel(regs->sdram_config, &emif_reg->emif_sdram_config);
}
/**
* Set SDRAM timings
*/
-int set_sdram_timings(struct sdram_timing *t)
+void set_sdram_timings(const struct emif_regs *regs)
{
- writel(t->time1, &emif_reg->sdrtim1);
- writel(t->time1_sh, &emif_reg->sdrtim1sr);
- writel(t->time2, &emif_reg->sdrtim2);
- writel(t->time2_sh, &emif_reg->sdrtim2sr);
- writel(t->time3, &emif_reg->sdrtim3);
- writel(t->time3_sh, &emif_reg->sdrtim3sr);
-
- return 0;
+ writel(regs->sdram_tim1, &emif_reg->emif_sdram_tim_1);
+ writel(regs->sdram_tim1, &emif_reg->emif_sdram_tim_1_shdw);
+ writel(regs->sdram_tim2, &emif_reg->emif_sdram_tim_2);
+ writel(regs->sdram_tim2, &emif_reg->emif_sdram_tim_2_shdw);
+ writel(regs->sdram_tim3, &emif_reg->emif_sdram_tim_3);
+ writel(regs->sdram_tim3, &emif_reg->emif_sdram_tim_3_shdw);
}
/**
* Configure DDR PHY
*/
-int config_ddr_phy(struct ddr_phy_control *p)
+void config_ddr_phy(const struct emif_regs *regs)
{
- writel(p->reg, &emif_reg->ddrphycr);
- writel(p->reg_sh, &emif_reg->ddrphycsr);
-
- return 0;
+ writel(regs->emif_ddr_phy_ctlr_1, &emif_reg->emif_ddr_phy_ctrl_1);
+ writel(regs->emif_ddr_phy_ctlr_1, &emif_reg->emif_ddr_phy_ctrl_1_shdw);
}
/**
* Configure DDR CMD control registers
*/
-int config_cmd_ctrl(struct cmd_control *cmd)
+void config_cmd_ctrl(const struct cmd_control *cmd)
{
writel(cmd->cmd0csratio, &ddr_reg[0]->cm0csratio);
- writel(cmd->cmd0csforce, &ddr_reg[0]->cm0csforce);
- writel(cmd->cmd0csdelay, &ddr_reg[0]->cm0csdelay);
writel(cmd->cmd0dldiff, &ddr_reg[0]->cm0dldiff);
writel(cmd->cmd0iclkout, &ddr_reg[0]->cm0iclkout);
writel(cmd->cmd1csratio, &ddr_reg[0]->cm1csratio);
- writel(cmd->cmd1csforce, &ddr_reg[0]->cm1csforce);
- writel(cmd->cmd1csdelay, &ddr_reg[0]->cm1csdelay);
writel(cmd->cmd1dldiff, &ddr_reg[0]->cm1dldiff);
writel(cmd->cmd1iclkout, &ddr_reg[0]->cm1iclkout);
writel(cmd->cmd2csratio, &ddr_reg[0]->cm2csratio);
- writel(cmd->cmd2csforce, &ddr_reg[0]->cm2csforce);
- writel(cmd->cmd2csdelay, &ddr_reg[0]->cm2csdelay);
writel(cmd->cmd2dldiff, &ddr_reg[0]->cm2dldiff);
writel(cmd->cmd2iclkout, &ddr_reg[0]->cm2iclkout);
-
- return 0;
}
/**
* Configure DDR DATA registers
*/
-int config_ddr_data(int macrono, struct ddr_data *data)
+void config_ddr_data(int macrono, const struct ddr_data *data)
{
writel(data->datardsratio0, &ddr_reg[macrono]->dt0rdsratio0);
- writel(data->datardsratio1, &ddr_reg[macrono]->dt0rdsratio1);
-
writel(data->datawdsratio0, &ddr_reg[macrono]->dt0wdsratio0);
- writel(data->datawdsratio1, &ddr_reg[macrono]->dt0wdsratio1);
-
writel(data->datawiratio0, &ddr_reg[macrono]->dt0wiratio0);
- writel(data->datawiratio1, &ddr_reg[macrono]->dt0wiratio1);
writel(data->datagiratio0, &ddr_reg[macrono]->dt0giratio0);
- writel(data->datagiratio1, &ddr_reg[macrono]->dt0giratio1);
-
writel(data->datafwsratio0, &ddr_reg[macrono]->dt0fwsratio0);
- writel(data->datafwsratio1, &ddr_reg[macrono]->dt0fwsratio1);
-
writel(data->datawrsratio0, &ddr_reg[macrono]->dt0wrsratio0);
- writel(data->datawrsratio1, &ddr_reg[macrono]->dt0wrsratio1);
-
+ writel(data->datauserank0delay, &ddr_reg[macrono]->dt0rdelays0);
writel(data->datadldiff0, &ddr_reg[macrono]->dt0dldiff0);
-
- return 0;
}
-int config_io_ctrl(struct ddr_ioctrl *ioctrl)
+void config_io_ctrl(unsigned long val)
{
- writel(ioctrl->cmd1ctl, &ioctrl_reg->cm0ioctl);
- writel(ioctrl->cmd2ctl, &ioctrl_reg->cm1ioctl);
- writel(ioctrl->cmd3ctl, &ioctrl_reg->cm2ioctl);
- writel(ioctrl->data1ctl, &ioctrl_reg->dt0ioctl);
- writel(ioctrl->data2ctl, &ioctrl_reg->dt1ioctl);
-
- return 0;
+ writel(val, &ioctrl_reg->cm0ioctl);
+ writel(val, &ioctrl_reg->cm1ioctl);
+ writel(val, &ioctrl_reg->cm2ioctl);
+ writel(val, &ioctrl_reg->dt0ioctl);
+ writel(val, &ioctrl_reg->dt1ioctl);
}
#include <asm/arch/ddr_defs.h>
#include <asm/arch/hardware.h>
#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
#include <asm/io.h>
+#include <asm/emif.h>
DECLARE_GLOBAL_DATA_PTR;
-struct ddr_regs *ddrregs = (struct ddr_regs *)DDR_PHY_BASE_ADDR;
-struct vtp_reg *vtpreg = (struct vtp_reg *)VTP0_CTRL_ADDR;
-struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR;
-
-
int dram_init(void)
{
/* dram_init must store complete ramsize in gd->ram_size */
#ifdef CONFIG_SPL_BUILD
-static void data_macro_config(int dataMacroNum)
-{
- struct ddr_data data;
-
- data.datardsratio0 = ((DDR2_RD_DQS<<30)|(DDR2_RD_DQS<<20)
- |(DDR2_RD_DQS<<10)|(DDR2_RD_DQS<<0));
- data.datardsratio1 = DDR2_RD_DQS>>2;
- data.datawdsratio0 = ((DDR2_WR_DQS<<30)|(DDR2_WR_DQS<<20)
- |(DDR2_WR_DQS<<10)|(DDR2_WR_DQS<<0));
- data.datawdsratio1 = DDR2_WR_DQS>>2;
- data.datawiratio0 = ((DDR2_PHY_WRLVL<<30)|(DDR2_PHY_WRLVL<<20)
- |(DDR2_PHY_WRLVL<<10)|(DDR2_PHY_WRLVL<<0));
- data.datawiratio1 = DDR2_PHY_WRLVL>>2;
- data.datagiratio0 = ((DDR2_PHY_GATELVL<<30)|(DDR2_PHY_GATELVL<<20)
- |(DDR2_PHY_GATELVL<<10)|(DDR2_PHY_GATELVL<<0));
- data.datagiratio1 = DDR2_PHY_GATELVL>>2;
- data.datafwsratio0 = ((DDR2_PHY_FIFO_WE<<30)|(DDR2_PHY_FIFO_WE<<20)
- |(DDR2_PHY_FIFO_WE<<10)|(DDR2_PHY_FIFO_WE<<0));
- data.datafwsratio1 = DDR2_PHY_FIFO_WE>>2;
- data.datawrsratio0 = ((DDR2_PHY_WR_DATA<<30)|(DDR2_PHY_WR_DATA<<20)
- |(DDR2_PHY_WR_DATA<<10)|(DDR2_PHY_WR_DATA<<0));
- data.datawrsratio1 = DDR2_PHY_WR_DATA>>2;
- data.datadldiff0 = PHY_DLL_LOCK_DIFF;
-
- config_ddr_data(dataMacroNum, &data);
-}
-
-static void cmd_macro_config(void)
-{
- struct cmd_control cmd;
-
- cmd.cmd0csratio = DDR2_RATIO;
- cmd.cmd0csforce = CMD_FORCE;
- cmd.cmd0csdelay = CMD_DELAY;
- cmd.cmd0dldiff = DDR2_DLL_LOCK_DIFF;
- cmd.cmd0iclkout = DDR2_INVERT_CLKOUT;
-
- cmd.cmd1csratio = DDR2_RATIO;
- cmd.cmd1csforce = CMD_FORCE;
- cmd.cmd1csdelay = CMD_DELAY;
- cmd.cmd1dldiff = DDR2_DLL_LOCK_DIFF;
- cmd.cmd1iclkout = DDR2_INVERT_CLKOUT;
-
- cmd.cmd2csratio = DDR2_RATIO;
- cmd.cmd2csforce = CMD_FORCE;
- cmd.cmd2csdelay = CMD_DELAY;
- cmd.cmd2dldiff = DDR2_DLL_LOCK_DIFF;
- cmd.cmd2iclkout = DDR2_INVERT_CLKOUT;
-
- config_cmd_ctrl(&cmd);
-
-}
+static struct vtp_reg *vtpreg = (struct vtp_reg *)VTP0_CTRL_ADDR;
+static struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR;
+
+static const struct ddr_data ddr2_data = {
+ .datardsratio0 = ((DDR2_RD_DQS<<30)|(DDR2_RD_DQS<<20)
+ |(DDR2_RD_DQS<<10)|(DDR2_RD_DQS<<0)),
+ .datawdsratio0 = ((DDR2_WR_DQS<<30)|(DDR2_WR_DQS<<20)
+ |(DDR2_WR_DQS<<10)|(DDR2_WR_DQS<<0)),
+ .datawiratio0 = ((DDR2_PHY_WRLVL<<30)|(DDR2_PHY_WRLVL<<20)
+ |(DDR2_PHY_WRLVL<<10)|(DDR2_PHY_WRLVL<<0)),
+ .datagiratio0 = ((DDR2_PHY_GATELVL<<30)|(DDR2_PHY_GATELVL<<20)
+ |(DDR2_PHY_GATELVL<<10)|(DDR2_PHY_GATELVL<<0)),
+ .datafwsratio0 = ((DDR2_PHY_FIFO_WE<<30)|(DDR2_PHY_FIFO_WE<<20)
+ |(DDR2_PHY_FIFO_WE<<10)|(DDR2_PHY_FIFO_WE<<0)),
+ .datawrsratio0 = ((DDR2_PHY_WR_DATA<<30)|(DDR2_PHY_WR_DATA<<20)
+ &nbs
projects / karo-tx-uboot.git / commitdiff