Merge with /home/wd/git/u-boot/master

19 files changed, 2287 insertions, 0 deletions

diff --git a/cpu/at32ap/Makefile b/cpu/at32ap/Makefile
new file mode 100644
index 00000000000..8ce79e9ef69
--- /dev/null
+++ b/cpu/at32ap/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Copyright (C) 2005-2006 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 $(TOPDIR)/config.mk
+
+LIB	:= $(obj)lib$(CPU).a
+
+START	:= start.o
+SOBJS	:= entry.o
+COBJS	:= cpu.o hsdramc.o exception.o cache.o
+COBJS	+= interrupts.o device.o pm.o pio.o
+SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+START	:= $(addprefix $(obj),$(START))
+
+all: $(obj).depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+	$(AR) crv $@ $^
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/cpu/at32ap/at32ap7000/Makefile b/cpu/at32ap/at32ap7000/Makefile
new file mode 100644
index 00000000000..1cd94448663
--- /dev/null
+++ b/cpu/at32ap/at32ap7000/Makefile
@@ -0,0 +1,43 @@
+#
+# Copyright (C) 2005-2006 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 $(TOPDIR)/config.mk
+
+LIB	:= $(obj)lib$(SOC).a
+
+COBJS	:= hebi.o devices.o
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+	$(AR) crv $@ $^
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/cpu/at32ap/at32ap7000/devices.c b/cpu/at32ap/at32ap7000/devices.c
new file mode 100644
index 00000000000..8b216e906a2
--- /dev/null
+++ b/cpu/at32ap/at32ap7000/devices.c
@@ -0,0 +1,448 @@
+/*
+ * Copyright (C) 2006 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/memory-map.h>
+#include <asm/arch/platform.h>
+
+#include "../sm.h"
+
+#define ARRAY_SIZE(x)	(sizeof(x) / sizeof((x)[0]))
+
+const struct clock_domain chip_clock[] = {
+	[CLOCK_CPU] = {
+		.reg	= SM_PM_CPU_MASK,
+		.id	= CLOCK_CPU,
+		.bridge	= NO_DEVICE,
+	},
+	[CLOCK_HSB] = {
+		.reg	= SM_PM_HSB_MASK,
+		.id	= CLOCK_HSB,
+		.bridge	= NO_DEVICE,
+	},
+	[CLOCK_PBA] = {
+		.reg	= SM_PM_PBA_MASK,
+		.id	= CLOCK_PBA,
+		.bridge	= DEVICE_PBA_BRIDGE,
+	},
+	[CLOCK_PBB] = {
+		.reg	= SM_PM_PBB_MASK,
+		.id	= CLOCK_PBB,
+		.bridge	= DEVICE_PBB_BRIDGE,
+	},
+};
+
+static const struct resource hebi_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_HSB, 0 },
+		},
+	}, {
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBB, 13 },
+		},
+	}, {
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBB, 14 },
+		},
+	}, {
+		.type	= RESOURCE_GPIO,
+		.u	= {
+			.gpio	= { 27, DEVICE_PIOE, GPIO_FUNC_A, 0 },
+		},
+	},
+};
+static const struct resource pba_bridge_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_HSB, 1 },
+		}
+	}, {
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			/* HSB-HSB Bridge */
+			.clock	= { CLOCK_HSB, 4 },
+		},
+	},
+};
+static const struct resource pbb_bridge_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_HSB, 2 },
+		},
+	},
+};
+static const struct resource hramc_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_HSB, 3 },
+		},
+	},
+};
+static const struct resource pioa_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBA, 10 },
+		},
+	},
+};
+static const struct resource piob_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBA, 11 },
+		},
+	},
+};
+static const struct resource pioc_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBA, 12 },
+		},
+	},
+};
+static const struct resource piod_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBA, 13 },
+		},
+	},
+};
+static const struct resource pioe_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBA, 14 },
+		},
+	},
+};
+static const struct resource sm_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBB, 0 },
+		},
+	},
+};
+static const struct resource intc_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock = { CLOCK_PBB, 1 },
+		},
+	},
+};
+static const struct resource hmatrix_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock = { CLOCK_PBB, 2 },
+		},
+	},
+};
+#if defined(CFG_HPDC)
+static const struct resource hpdc_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBA, 16 },
+		},
+	},
+};
+#endif
+#if defined(CFG_MACB0)
+static const struct resource macb0_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_HSB, 8 },
+		},
+	}, {
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBB, 6 },
+		},
+	}, {
+		.type	= RESOURCE_GPIO,
+		.u	= {
+			.gpio	= { 19, DEVICE_PIOC, GPIO_FUNC_A, 0 },
+		},
+	},
+};
+#endif
+#if defined(CFG_MACB1)
+static const struct resource macb1_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_HSB, 9 },
+		},
+	}, {
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBB, 7 },
+		},
+	}, {
+		.type	= RESOURCE_GPIO,
+		.u	= {
+			.gpio	= { 12, DEVICE_PIOC, GPIO_FUNC_B, 19 },
+		},
+	}, {
+		.type	= RESOURCE_GPIO,
+		.u	= {
+			.gpio	= { 14, DEVICE_PIOD, GPIO_FUNC_B, 2 },
+		},
+	},
+};
+#endif
+#if defined(CFG_LCDC)
+static const struct resource lcdc_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_HSB, 7 },
+		},
+	},
+};
+#endif
+#if defined(CFG_USART0)
+static const struct resource usart0_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBA, 3 },
+		},
+	}, {
+		.type	= RESOURCE_GPIO,
+		.u	= {
+			.gpio = { 2, DEVICE_PIOA, GPIO_FUNC_B, 8 },
+		},
+	},
+};
+#endif
+#if defined(CFG_USART1)
+static const struct resource usart1_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBA, 4 },
+		},
+	}, {
+		.type	= RESOURCE_GPIO,
+		.u	= {
+			.gpio = { 2, DEVICE_PIOA, GPIO_FUNC_A, 17 },
+		},
+	},
+};
+#endif
+#if defined(CFG_USART2)
+static const struct resource usart2_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBA, 5 },
+		},
+	}, {
+		.type	= RESOURCE_GPIO,
+		.u	= {
+			.gpio = { 2, DEVICE_PIOB, GPIO_FUNC_B, 26 },
+		},
+	},
+};
+#endif
+#if defined(CFG_USART3)
+static const struct resource usart3_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBA, 6 },
+		},
+	}, {
+		.type	= RESOURCE_GPIO,
+		.u	= {
+			.gpio = { 2, DEVICE_PIOB, GPIO_FUNC_B, 17 },
+		},
+	},
+};
+#endif
+#if defined(CFG_MMCI)
+static const struct resource mmci_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_PBB, 9 },
+		},
+	}, {
+		.type	= RESOURCE_GPIO,
+		.u	= {
+			.gpio = { 6, DEVICE_PIOA, GPIO_FUNC_A, 10 },
+		},
+	},
+};
+#endif
+#if defined(CFG_DMAC)
+static const struct resource dmac_resource[] = {
+	{
+		.type	= RESOURCE_CLOCK,
+		.u	= {
+			.clock	= { CLOCK_HSB, 10 },
+		},
+	},
+};
+#endif
+
+const struct device chip_device[] = {
+	[DEVICE_HEBI] = {
+		.regs		= (void *)HSMC_BASE,
+		.nr_resources	= ARRAY_SIZE(hebi_resource),
+		.resource	= hebi_resource,
+	},
+	[DEVICE_PBA_BRIDGE] = {
+		.nr_resources	= ARRAY_SIZE(pba_bridge_resource),
+		.resource	= pba_bridge_resource,
+	},
+	[DEVICE_PBB_BRIDGE] = {
+		.nr_resources	= ARRAY_SIZE(pbb_bridge_resource),
+		.resource	= pbb_bridge_resource,
+	},
+	[DEVICE_HRAMC] = {
+		.nr_resources	= ARRAY_SIZE(hramc_resource),
+		.resource	= hramc_resource,
+	},
+	[DEVICE_PIOA] = {
+		.regs		= (void *)PIOA_BASE,
+		.nr_resources	= ARRAY_SIZE(pioa_resource),
+		.resource	= pioa_resource,
+	},
+	[DEVICE_PIOB] = {
+		.regs		= (void *)PIOB_BASE,
+		.nr_resources	= ARRAY_SIZE(piob_resource),
+		.resource	= piob_resource,
+	},
+	[DEVICE_PIOC] = {
+		.regs		= (void *)PIOC_BASE,
+		.nr_resources	= ARRAY_SIZE(pioc_resource),
+		.resource	= pioc_resource,
+	},
+	[DEVICE_PIOD] = {
+		.regs		= (void *)PIOD_BASE,
+		.nr_resources	= ARRAY_SIZE(piod_resource),
+		.resource	= piod_resource,
+	},
+	[DEVICE_PIOE] = {
+		.regs		= (void *)PIOE_BASE,
+		.nr_resources	= ARRAY_SIZE(pioe_resource),
+		.resource	= pioe_resource,
+	},
+	[DEVICE_SM] = {
+		.regs		= (void *)SM_BASE,
+		.nr_resources	= ARRAY_SIZE(sm_resource),
+		.resource	= sm_resource,
+	},
+	[DEVICE_INTC] = {
+		.regs		= (void *)INTC_BASE,
+		.nr_resources	= ARRAY_SIZE(intc_resource),
+		.resource	= intc_resource,
+	},
+	[DEVICE_HMATRIX] = {
+		.regs		= (void *)HMATRIX_BASE,
+		.nr_resources	= ARRAY_SIZE(hmatrix_resource),
+		.resource	= hmatrix_resource,
+	},
+#if defined(CFG_HPDC)
+	[DEVICE_HPDC] = {
+		.nr_resources	= ARRAY_SIZE(hpdc_resource),
+		.resource	= hpdc_resource,
+	},
+#endif
+#if defined(CFG_MACB0)
+	[DEVICE_MACB0] = {
+		.regs		= (void *)MACB0_BASE,
+		.nr_resources	= ARRAY_SIZE(macb0_resource),
+		.resource	= macb0_resource,
+	},
+#endif
+#if defined(CFG_MACB1)
+	[DEVICE_MACB1] = {
+		.regs		= (void *)MACB1_BASE,
+		.nr_resources	= ARRAY_SIZE(macb1_resource),
+		.resource	= macb1_resource,
+	},
+#endif
+#if defined(CFG_LCDC)
+	[DEVICE_LCDC] = {
+		.nr_resources	= ARRAY_SIZE(lcdc_resource),
+		.resource	= lcdc_resource,
+	},
+#endif
+#if defined(CFG_USART0)
+	[DEVICE_USART0] = {
+		.regs		= (void *)USART0_BASE,
+		.nr_resources	= ARRAY_SIZE(usart0_resource),
+		.resource	= usart0_resource,
+	},
+#endif
+#if defined(CFG_USART1)
+	[DEVICE_USART1] = {
+		.regs		= (void *)USART1_BASE,
+		.nr_resources	= ARRAY_SIZE(usart1_resource),
+		.resource	= usart1_resource,
+	},
+#endif
+#if defined(CFG_USART2)
+	[DEVICE_USART2] = {
+		.regs		= (void *)USART2_BASE,
+		.nr_resources	= ARRAY_SIZE(usart2_resource),
+		.resource	= usart2_resource,
+	},
+#endif
+#if defined(CFG_USART3)
+	[DEVICE_USART3] = {
+		.regs		= (void *)USART3_BASE,
+		.nr_resources	= ARRAY_SIZE(usart3_resource),
+		.resource	= usart3_resource,
+	},
+#endif
+#if defined(CFG_MMCI)
+	[DEVICE_MMCI] = {
+		.regs		= (void *)MMCI_BASE,
+		.nr_resources	= ARRAY_SIZE(mmci_resource),
+		.resource	= mmci_resource,
+	},
+#endif
+#if defined(CFG_DMAC)
+	[DEVICE_DMAC] = {
+		.regs		= (void *)DMAC_BASE,
+		.nr_resources	= ARRAY_SIZE(dmac_resource),
+		.resource	= dmac_resource,
+	},
+#endif
+};
diff --git a/cpu/at32ap/at32ap7000/hebi.c b/cpu/at32ap/at32ap7000/hebi.c
new file mode 100644
index 00000000000..3b32adf1ea9
--- /dev/null
+++ b/cpu/at32ap/at32ap7000/hebi.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2006 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/io.h>
+
+#include <asm/arch/hmatrix2.h>
+#include <asm/arch/memory-map.h>
+#include <asm/arch/platform.h>
+
+void cpu_enable_sdram(void)
+{
+	const struct device *hmatrix;
+
+	hmatrix = get_device(DEVICE_HMATRIX);
+
+	/* Set the SDRAM_ENABLE bit in the HEBI SFR */
+	hmatrix2_writel(hmatrix, SFR4, 1 << 1);
+}
diff --git a/cpu/at32ap/cache.c b/cpu/at32ap/cache.c
new file mode 100644
index 00000000000..41fb5aa0473
--- /dev/null
+++ b/cpu/at32ap/cache.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2004-2006 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/cacheflush.h>
+
+void dcache_clean_range(volatile void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = CFG_DCACHE_LINESZ;
+
+	/* You asked for it, you got it */
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		dcache_clean_line((void *)v);
+
+	sync_write_buffer();
+}
+
+void dcache_invalidate_range(volatile void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = CFG_DCACHE_LINESZ;
+
+	/* You asked for it, you got it */
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		dcache_invalidate_line((void *)v);
+}
+
+void dcache_flush_range(volatile void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = CFG_DCACHE_LINESZ;
+
+	/* You asked for it, you got it */
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		dcache_flush_line((void *)v);
+
+	sync_write_buffer();
+}
+
+void icache_invalidate_range(volatile void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = CFG_ICACHE_LINESZ;
+
+	/* You asked for it, you got it */
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		icache_invalidate_line((void *)v);
+}
+
+/*
+ * This is called after loading something into memory.  We need to
+ * make sure that everything that was loaded is actually written to
+ * RAM, and that the icache will look for it. Cleaning the dcache and
+ * invalidating the icache will do the trick.
+ */
+void  flush_cache (unsigned long start_addr, unsigned long size)
+{
+	dcache_clean_range((void *)start_addr, size);
+	icache_invalidate_range((void *)start_addr, size);
+}
diff --git a/cpu/at32ap/config.mk b/cpu/at32ap/config.mk
new file mode 100644
index 00000000000..1c12169221f
--- /dev/null
+++ b/cpu/at32ap/config.mk
@@ -0,0 +1,22 @@
+#
+# Copyright (C) 2005-2006 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
+#
+PLATFORM_RELFLAGS       += -mcpu=ap7000
diff --git a/cpu/at32ap/cpu.c b/cpu/at32ap/cpu.c
new file mode 100644
index 00000000000..37e3ea040be
--- /dev/null
+++ b/cpu/at32ap/cpu.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2005-2006 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 <command.h>
+
+#include <asm/io.h>
+#include <asm/sections.h>
+#include <asm/sysreg.h>
+
+#include <asm/arch/memory-map.h>
+#include <asm/arch/platform.h>
+
+#include "hsmc3.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int cpu_init(void)
+{
+	const struct device *hebi;
+	extern void _evba(void);
+	char *p;
+
+	gd->cpu_hz = CFG_OSC0_HZ;
+
+	/* fff03400: 00010001 04030402 00050005 10011103 */
+	hebi = get_device(DEVICE_HEBI);
+	hsmc3_writel(hebi, MODE0, 0x00031103);
+	hsmc3_writel(hebi, CYCLE0, 0x000c000d);
+	hsmc3_writel(hebi, PULSE0, 0x0b0a0906);
+	hsmc3_writel(hebi, SETUP0, 0x00010002);
+
+	pm_init();
+
+	sysreg_write(EVBA, (unsigned long)&_evba);
+	asm volatile("csrf	%0" : : "i"(SYSREG_EM_OFFSET));
+	gd->console_uart = get_device(CFG_CONSOLE_UART_DEV);
+
+	/* Lock everything that mess with the flash in the icache */
+	for (p = __flashprog_start; p <= (__flashprog_end + CFG_ICACHE_LINESZ);
+	     p += CFG_ICACHE_LINESZ)
+		asm volatile("cache %0, 0x02" : "=m"(*p) :: "memory");
+
+	return 0;
+}
+
+void prepare_to_boot(void)
+{
+	/* Flush both caches and the write buffer */
+	asm volatile("cache  %0[4], 010\n\t"
+		     "cache  %0[0], 000\n\t"
+		     "sync   0" : : "r"(0) : "memory");
+}
+
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	/* This will reset the CPU core, caches, MMU and all internal busses */
+	__builtin_mtdr(8, 1 << 13);	/* set DC:DBE */
+	__builtin_mtdr(8, 1 << 30);	/* set DC:RES */
+
+	/* Flush the pipeline before we declare it a failure */
+	asm volatile("sub   pc, pc, -4");
+
+	return -1;
+}
diff --git a/cpu/at32ap/device.c b/cpu/at32ap/device.c
new file mode 100644
index 00000000000..89914b6b56b
--- /dev/null
+++ b/cpu/at32ap/device.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2006 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/platform.h>
+
+#include "sm.h"
+
+struct device_state {
+	int refcount;
+};
+
+static struct device_state device_state[NR_DEVICES];
+
+static int claim_resource(const struct resource *res)
+{
+	int ret = 0;
+
+	switch (res->type) {
+	case RESOURCE_GPIO:
+		ret = gpio_set_func(res->u.gpio.gpio_dev,
+				    res->u.gpio.start,
+				    res->u.gpio.nr_pins,
+				    res->u.gpio.func);
+		break;
+	case RESOURCE_CLOCK:
+		ret = pm_enable_clock(res->u.clock.id, res->u.clock.index);
+		break;
+	}
+
+	return ret;
+}
+
+static void free_resource(const struct resource *res)
+{
+	switch (res->type) {
+	case RESOURCE_GPIO:
+		gpio_free(res->u.gpio.gpio_dev, res->u.gpio.start,
+			  res->u.gpio.nr_pins);
+		break;
+	case RESOURCE_CLOCK:
+		pm_disable_clock(res->u.clock.id, res->u.clock.index);
+		break;
+	}
+}
+
+static int init_dev(const struct device *dev)
+{
+	unsigned int i;
+	int ret = 0;
+
+	for (i = 0; i < dev->nr_resources; i++) {
+		ret = claim_resource(&dev->resource[i]);
+		if (ret)
+			goto cleanup;
+	}
+
+	return 0;
+
+cleanup:
+	while (i--)
+		free_resource(&dev->resource[i]);
+
+	return ret;
+}
+
+const struct device *get_device(enum device_id devid)
+{
+	struct device_state *devstate;
+	const struct device *dev;
+	unsigned long flags;
+	int initialized = 0;
+	int ret = 0;
+
+	devstate = &device_state[devid];
+	dev = &chip_device[devid];
+
+	flags = disable_interrupts();
+	if (devstate->refcount++)
+		initialized = 1;
+	if (flags)
+		enable_interrupts();
+
+	if (!initialized)
+		ret = init_dev(dev);
+
+	return ret ? NULL : dev;
+}
+
+void put_device(const struct device *dev)
+{
+	struct device_state *devstate;
+	unsigned long devid, flags;
+
+	devid = (unsigned long)(dev - chip_device) / sizeof(struct device);
+	devstate = &device_state[devid];
+
+	flags = disable_interrupts();
+	devstate--;
+	if (!devstate) {
+		unsigned int i;
+		for (i = 0; i < dev->nr_resources; i++)
+			free_resource(&dev->resource[i]);
+	}
+	if (flags)
+		enable_interrupts();
+}
diff --git a/cpu/at32ap/entry.S b/cpu/at32ap/entry.S
new file mode 100644
index 00000000000..b52d798be3d
--- /dev/null
+++ b/cpu/at32ap/entry.S
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2004-2006 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 <asm/sysreg.h>
+#include <asm/ptrace.h>
+
+	.section .text.exception,"ax"
+	.global	_evba
+	.type	_evba,@function
+	.align	10
+_evba:
+	.irp	x,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
+	.align	2
+	rjmp	unknown_exception
+	.endr
+
+	.global	timer_interrupt_handler
+	.type	timer_interrupt_handler,@function
+	.align	2
+timer_interrupt_handler:
+	/*
+	 * Increment timer_overflow and re-write COMPARE with 0xffffffff.
+	 *
+	 * We're running at interrupt level 3, so we don't need to save
+	 * r8-r12 or lr to the stack.
+	 */
+	mov	r8, lo(timer_overflow)
+	orh	r8, hi(timer_overflow)
+	ld.w	r9, r8[0]
+	mov	r10, -1
+	mtsr	SYSREG_COMPARE, r10
+	sub	r9, -1
+	st.w	r8[0], r9
+	rete
+
+	.type	unknown_exception, @function
+unknown_exception:
+	pushm	r0-r12
+	sub	r8, sp, REG_R12 - REG_R0 - 4
+	mov	r9, lr
+	mfsr	r10, SYSREG_RAR_EX
+	mfsr	r11, SYSREG_RSR_EX
+	pushm	r8-r11
+	mfsr	r12, SYSREG_ECR
+	mov	r11, sp
+	rcall	do_unknown_exception
+1:	rjmp	1b
diff --git a/cpu/at32ap/exception.c b/cpu/at32ap/exception.c
new file mode 100644
index 00000000000..4123c446167
--- /dev/null
+++ b/cpu/at32ap/exception.c
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2005-2006 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/sysreg.h>
+#include <asm/ptrace.h>
+
+static const char * const cpu_modes[8] = {
+	"Application", "Supervisor", "Interrupt level 0", "Interrupt level 1",
+	"Interrupt level 2", "Interrupt level 3", "Exception", "NMI"
+};
+
+static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
+{
+	unsigned long p;
+	int i;
+
+	printf("%s(0x%08lx to 0x%08lx)\n", str, bottom, top);
+
+	for (p = bottom & ~31; p < top; ) {
+		printf("%04lx: ", p & 0xffff);
+
+		for (i = 0; i < 8; i++, p += 4) {
+			unsigned int val;
+
+			if (p < bottom || p >= top)
+				printf("         ");
+			else {
+				val = *(unsigned long *)p;
+				printf("%08x ", val);
+			}
+		}
+		printf("\n");
+	}
+}
+
+void do_unknown_exception(unsigned int ecr, struct pt_regs *regs)
+{
+	unsigned int mode;
+
+	printf("\n *** Unhandled exception %u at PC=0x%08lx\n", ecr, regs->pc);
+
+	switch (ecr) {
+	case ECR_BUS_ERROR_WRITE:
+	case ECR_BUS_ERROR_READ:
+		printf("Bus error at address 0x%08lx\n",
+		       sysreg_read(BEAR));
+		break;
+	case ECR_TLB_MULTIPLE:
+	case ECR_ADDR_ALIGN_X:
+	case ECR_PROTECTION_X:
+	case ECR_ADDR_ALIGN_R:
+	case ECR_ADDR_ALIGN_W:
+	case ECR_PROTECTION_R:
+	case ECR_PROTECTION_W:
+	case ECR_DTLB_MODIFIED:
+	case ECR_TLB_MISS_X:
+	case ECR_TLB_MISS_R:
+	case ECR_TLB_MISS_W:
+		printf("MMU exception at address 0x%08lx\n",
+		       sysreg_read(TLBEAR));
+		break;
+	}
+
+	printf("   pc: %08lx    lr: %08lx    sp: %08lx   r12: %08lx\n",
+	       regs->pc, regs->lr, regs->sp, regs->r12);
+	printf("  r11: %08lx   r10: %08lx    r9: %08lx    r8: %08lx\n",
+	       regs->r11, regs->r10, regs->r9, regs->r8);
+	printf("   r7: %08lx    r6: %08lx    r5: %08lx    r4: %08lx\n",
+	       regs->r7, regs->r6, regs->r5, regs->r4);
+	printf("   r3: %08lx    r2: %08lx    r1: %08lx    r0: %08lx\n",
+	       regs->r3, regs->r2, regs->r1, regs->r0);
+	printf("Flags: %c%c%c%c%c\n",
+	       regs->sr & SR_Q ? 'Q' : 'q',
+	       regs->sr & SR_V ? 'V' : 'v',
+	       regs->sr & SR_N ? 'N' : 'n',
+	       regs->sr & SR_Z ? 'Z' : 'z',
+	       regs->sr & SR_C ? 'C' : 'c');
+	printf("Mode bits: %c%c%c%c%c%c%c%c%c\n",
+	       regs->sr & SR_H ? 'H' : 'h',
+	       regs->sr & SR_R ? 'R' : 'r',
+	       regs->sr & SR_J ? 'J' : 'j',
+	       regs->sr & SR_EM ? 'E' : 'e',
+	       regs->sr & SR_I3M ? '3' : '.',
+	       regs->sr & SR_I2M ? '2' : '.',
+	       regs->sr & SR_I1M ? '1' : '.',
+	       regs->sr & SR_I0M ? '0' : '.',
+	       regs->sr & SR_GM ? 'G' : 'g');
+	mode = (regs->sr >> SYSREG_M0_OFFSET) & 7;
+	printf("CPU Mode: %s\n", cpu_modes[mode]);
+
+	/* Avoid exception loops */
+	if (regs->sp >= CFG_INIT_SP_ADDR
+	    || regs->sp < (CFG_INIT_SP_ADDR - CONFIG_STACKSIZE))
+		printf("\nStack pointer seems bogus, won't do stack dump\n");
+	else
+		dump_mem("\nStack: ", regs->sp, CFG_INIT_SP_ADDR);
+
+	panic("Unhandled exception\n");
+}
diff --git a/cpu/at32ap/hsdramc.c b/cpu/at32ap/hsdramc.c
new file mode 100644
index 00000000000..f36da354528
--- /dev/null
+++ b/cpu/at32ap/hsdramc.c
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2005-2006 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>
+
+#ifdef CFG_HSDRAMC
+#include <asm/io.h>
+#include <asm/sdram.h>
+
+#include <asm/arch/platform.h>
+
+#include "hsdramc1.h"
+
+struct hsdramc {
+	const struct device *hebi;
+	void *regs;
+};
+
+static struct hsdramc hsdramc;
+
+unsigned long sdram_init(const struct sdram_info *info)
+{
+	unsigned long *sdram = (unsigned long *)uncached(info->phys_addr);
+	unsigned long sdram_size;
+	unsigned long tmp;
+	unsigned long bus_hz;
+	unsigned int i;
+
+	hsdramc.hebi = get_device(DEVICE_HEBI);
+	if (!hsdramc.hebi)
+		return 0;
+
+	/* FIXME: Both of these lines are complete hacks */
+	hsdramc.regs = hsdramc.hebi->regs + 0x400;
+	bus_hz = pm_get_clock_freq(hsdramc.hebi->resource[0].u.clock.id);
+
+	cpu_enable_sdram();
+
+	tmp = (HSDRAMC1_BF(NC, info->col_bits - 8)
+	       | HSDRAMC1_BF(NR, info->row_bits - 11)
+	       | HSDRAMC1_BF(NB, info->bank_bits - 1)
+	       | HSDRAMC1_BF(CAS, info->cas)
+	       | HSDRAMC1_BF(TWR, info->twr)
+	       | HSDRAMC1_BF(TRC, info->trc)
+	       | HSDRAMC1_BF(TRP, info->trp)
+	       | HSDRAMC1_BF(TRCD, info->trcd)
+	       | HSDRAMC1_BF(TRAS, info->tras)
+	       | HSDRAMC1_BF(TXSR, info->txsr));
+
+#ifdef CFG_SDRAM_16BIT
+	tmp |= HSDRAMC1_BIT(DBW);
+	sdram_size = 1 << (info->row_bits + info->col_bits
+			   + info->bank_bits + 1);
+#else
+	sdram_size = 1 << (info->row_bits + info->col_bits
+			   + info->bank_bits + 2);
+#endif
+
+	hsdramc1_writel(&hsdramc, CR, tmp);
+
+	/*
+	 * Initialization sequence for SDRAM, from the data sheet:
+	 *
+	 * 1. A minimum pause of 200 us is provided to precede any
+	 *    signal toggle.
+	 */
+	udelay(200);
+
+	/*
+	 * 2. A Precharge All command is issued to the SDRAM
+	 */
+	hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_BANKS_PRECHARGE);
+	hsdramc1_readl(&hsdramc, MR);
+	writel(0, sdram);
+
+	/*
+	 * 3. Eight auto-refresh (CBR) cycles are provided
+	 */
+	hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_AUTO_REFRESH);
+	hsdramc1_readl(&hsdramc, MR);
+	for (i = 0; i < 8; i++)
+		writel(0, sdram);
+
+	/*
+	 * 4. A mode register set (MRS) cycle is issued to program
+	 *    SDRAM parameters, in particular CAS latency and burst
+	 *    length.
+	 *
+	 * CAS from info struct, burst length 1, serial burst type
+	 */
+	hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_LOAD_MODE);
+	hsdramc1_readl(&hsdramc, MR);
+	writel(0, sdram + (info->cas << 4));
+
+	/*
+	 * 5. A Normal Mode command is provided, 3 clocks after tMRD
+	 *    is met.
+	 *
+	 * From the timing diagram, it looks like tMRD is 3
+	 * cycles...try a dummy read from the peripheral bus.
+	 */
+	hsdramc1_readl(&hsdramc, MR);
+	hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_NORMAL);
+	hsdramc1_readl(&hsdramc, MR);
+	writel(0, sdram);
+
+	/*
+	 * 6. Write refresh rate into SDRAMC refresh timer count
+	 *    register (refresh rate = timing between refresh cycles).
+	 *
+	 * 15.6 us is a typical value for a burst of length one
+	 */
+	hsdramc1_writel(&hsdramc, TR, (156 * (bus_hz / 1000)) / 10000);
+
+	printf("SDRAM: %u MB at address 0x%08lx\n",
+	       sdram_size >> 20, info->phys_addr);
+
+	printf("Testing SDRAM...");
+	for (i = 0; i < sdram_size / 4; i++)
+		sdram[i] = i;
+
+	for (i = 0; i < sdram_size / 4; i++) {
+		tmp = sdram[i];
+		if (tmp != i) {
+			printf("FAILED at address 0x%08lx\n",
+			       info->phys_addr + i * 4);
+			printf("SDRAM: read 0x%lx, expected 0x%lx\n", tmp, i);
+			return 0;
+		}
+	}
+
+	puts("OK\n");
+
+	return sdram_size;
+}
+
+#endif /* CFG_HSDRAMC */
diff --git a/cpu/at32ap/hsdramc1.h b/cpu/at32ap/hsdramc1.h
new file mode 100644
index 00000000000..ce229bca1fb
--- /dev/null
+++ b/cpu/at32ap/hsdramc1.h
@@ -0,0 +1,143 @@
+/*
+ * Register definitions for SDRAM Controller
+ */
+#ifndef __ASM_AVR32_HSDRAMC1_H__
+#define __ASM_AVR32_HSDRAMC1_H__
+
+/* HSDRAMC1 register offsets */
+#define HSDRAMC1_MR				0x0000
+#define HSDRAMC1_TR				0x0004
+#define HSDRAMC1_CR				0x0008
+#define HSDRAMC1_HSR				0x000c
+#define HSDRAMC1_LPR				0x0010
+#define HSDRAMC1_IER				0x0014
+#define HSDRAMC1_IDR				0x0018
+#define HSDRAMC1_IMR				0x001c
+#define HSDRAMC1_ISR				0x0020
+#define HSDRAMC1_MDR				0x0024
+#define HSDRAMC1_VERSION			0x00fc
+
+/* Bitfields in MR */
+#define HSDRAMC1_MODE_OFFSET			0
+#define HSDRAMC1_MODE_SIZE			3
+
+/* Bitfields in TR */
+#define HSDRAMC1_COUNT_OFFSET			0
+#define HSDRAMC1_COUNT_SIZE			12
+
+/* Bitfields in CR */
+#define HSDRAMC1_NC_OFFSET			0
+#define HSDRAMC1_NC_SIZE			2
+#define HSDRAMC1_NR_OFFSET			2
+#define HSDRAMC1_NR_SIZE			2
+#define HSDRAMC1_NB_OFFSET			4
+#define HSDRAMC1_NB_SIZE			1
+#define HSDRAMC1_CAS_OFFSET			5
+#define HSDRAMC1_CAS_SIZE			2
+#define HSDRAMC1_DBW_OFFSET			7
+#define HSDRAMC1_DBW_SIZE			1
+#define HSDRAMC1_TWR_OFFSET			8
+#define HSDRAMC1_TWR_SIZE			4
+#define HSDRAMC1_TRC_OFFSET			12
+#define HSDRAMC1_TRC_SIZE			4
+#define HSDRAMC1_TRP_OFFSET			16
+#define HSDRAMC1_TRP_SIZE			4
+#define HSDRAMC1_TRCD_OFFSET			20
+#define HSDRAMC1_TRCD_SIZE			4
+#define HSDRAMC1_TRAS_OFFSET			24
+#define HSDRAMC1_TRAS_SIZE			4
+#define HSDRAMC1_TXSR_OFFSET			28
+#define HSDRAMC1_TXSR_SIZE			4
+
+/* Bitfields in HSR */
+#define HSDRAMC1_DA_OFFSET			0
+#define HSDRAMC1_DA_SIZE			1
+
+/* Bitfields in LPR */
+#define HSDRAMC1_LPCB_OFFSET			0
+#define HSDRAMC1_LPCB_SIZE			2
+#define HSDRAMC1_PASR_OFFSET			4
+#define HSDRAMC1_PASR_SIZE			3
+#define HSDRAMC1_TCSR_OFFSET			8
+#define HSDRAMC1_TCSR_SIZE			2
+#define HSDRAMC1_DS_OFFSET			10
+#define HSDRAMC1_DS_SIZE			2
+#define HSDRAMC1_TIMEOUT_OFFSET			12
+#define HSDRAMC1_TIMEOUT_SIZE			2
+
+/* Bitfields in IDR */
+#define HSDRAMC1_RES_OFFSET			0
+#define HSDRAMC1_RES_SIZE			1
+
+/* Bitfields in MDR */
+#define HSDRAMC1_MD_OFFSET			0
+#define HSDRAMC1_MD_SIZE			2
+
+/* Bitfields in VERSION */
+#define HSDRAMC1_VERSION_OFFSET			0
+#define HSDRAMC1_VERSION_SIZE			12
+#define HSDRAMC1_MFN_OFFSET			16
+#define HSDRAMC1_MFN_SIZE			3
+
+/* Constants for MODE */
+#define HSDRAMC1_MODE_NORMAL			0
+#define HSDRAMC1_MODE_NOP			1
+#define HSDRAMC1_MODE_BANKS_PRECHARGE		2
+#define HSDRAMC1_MODE_LOAD_MODE			3
+#define HSDRAMC1_MODE_AUTO_REFRESH		4
+#define HSDRAMC1_MODE_EXT_LOAD_MODE		5
+#define HSDRAMC1_MODE_POWER_DOWN		6
+
+/* Constants for NC */
+#define HSDRAMC1_NC_8_COLUMN_BITS		0
+#define HSDRAMC1_NC_9_COLUMN_BITS		1
+#define HSDRAMC1_NC_10_COLUMN_BITS		2
+#define HSDRAMC1_NC_11_COLUMN_BITS		3
+
+/* Constants for NR */
+#define HSDRAMC1_NR_11_ROW_BITS			0
+#define HSDRAMC1_NR_12_ROW_BITS			1
+#define HSDRAMC1_NR_13_ROW_BITS			2
+
+/* Constants for NB */
+#define HSDRAMC1_NB_TWO_BANKS			0
+#define HSDRAMC1_NB_FOUR_BANKS			1
+
+/* Constants for CAS */
+#define HSDRAMC1_CAS_ONE_CYCLE			1
+#define HSDRAMC1_CAS_TWO_CYCLES			2
+
+/* Constants for DBW */
+#define HSDRAMC1_DBW_32_BITS			0
+#define HSDRAMC1_DBW_16_BITS			1
+
+/* Constants for TIMEOUT */
+#define HSDRAMC1_TIMEOUT_AFTER_END		0
+#define HSDRAMC1_TIMEOUT_64_CYC_AFTER_END	1
+#define HSDRAMC1_TIMEOUT_128_CYC_AFTER_END	2
+
+/* Constants for MD */
+#define HSDRAMC1_MD_SDRAM			0
+#define HSDRAMC1_MD_LOW_POWER_SDRAM		1
+
+/* Bit manipulation macros */
+#define HSDRAMC1_BIT(name)					\
+	(1 << HSDRAMC1_##name##_OFFSET)
+#define HSDRAMC1_BF(name,value)					\
+	(((value) & ((1 << HSDRAMC1_##name##_SIZE) - 1))	\
+	 << HSDRAMC1_##name##_OFFSET)
+#define HSDRAMC1_BFEXT(name,value)				\
+	(((value) >> HSDRAMC1_##name##_OFFSET)			\
+	 & ((1 << HSDRAMC1_##name##_SIZE) - 1))
+#define HSDRAMC1_BFINS(name,value,old)				\
+	(((old) & ~(((1 << HSDRAMC1_##name##_SIZE) - 1)		\
+		    << HSDRAMC1_##name##_OFFSET))		\
+	 | HSDRAMC1_BF(name,value))
+
+/* Register access macros */
+#define hsdramc1_readl(port,reg)				\
+	readl((port)->regs + HSDRAMC1_##reg)
+#define hsdramc1_writel(port,reg,value)				\
+	writel((value), (port)->regs + HSDRAMC1_##reg)
+
+#endif /* __ASM_AVR32_HSDRAMC1_H__ */
diff --git a/cpu/at32ap/hsmc3.h b/cpu/at32ap/hsmc3.h
new file mode 100644
index 00000000000..ec78cee7147
--- /dev/null
+++ b/cpu/at32ap/hsmc3.h
@@ -0,0 +1,126 @@
+/*
+ * Register definitions for Static Memory Controller
+ */
+#ifndef __CPU_AT32AP_HSMC3_H__
+#define __CPU_AT32AP_HSMC3_H__
+
+/* HSMC3 register offsets */
+#define HSMC3_SETUP0				0x0000
+#define HSMC3_PULSE0				0x0004
+#define HSMC3_CYCLE0				0x0008
+#define HSMC3_MODE0				0x000c
+#define HSMC3_SETUP1				0x0010
+#define HSMC3_PULSE1				0x0014
+#define HSMC3_CYCLE1				0x0018
+#define HSMC3_MODE1				0x001c
+#define HSMC3_SETUP2				0x0020
+#define HSMC3_PULSE2				0x0024
+#define HSMC3_CYCLE2				0x0028
+#define HSMC3_MODE2				0x002c
+#define HSMC3_SETUP3				0x0030
+#define HSMC3_PULSE3				0x0034
+#define HSMC3_CYCLE3				0x0038
+#define HSMC3_MODE3				0x003c
+#define HSMC3_SETUP4				0x0040
+#define HSMC3_PULSE4				0x0044
+#define HSMC3_CYCLE4				0x0048
+#define HSMC3_MODE4				0x004c
+#define HSMC3_SETUP5				0x0050
+#define HSMC3_PULSE5				0x0054
+#define HSMC3_CYCLE5				0x0058
+#define HSMC3_MODE5				0x005c
+
+/* Bitfields in SETUP0 */
+#define HSMC3_NWE_SETUP_OFFSET			0
+#define HSMC3_NWE_SETUP_SIZE			6
+#define HSMC3_NCS_WR_SETUP_OFFSET		8
+#define HSMC3_NCS_WR_SETUP_SIZE			6
+#define HSMC3_NRD_SETUP_OFFSET			16
+#define HSMC3_NRD_SETUP_SIZE			6
+#define HSMC3_NCS_RD_SETUP_OFFSET		24
+#define HSMC3_NCS_RD_SETUP_SIZE			6
+
+/* Bitfields in PULSE0 */
+#define HSMC3_NWE_PULSE_OFFSET			0
+#define HSMC3_NWE_PULSE_SIZE			7
+#define HSMC3_NCS_WR_PULSE_OFFSET		8
+#define HSMC3_NCS_WR_PULSE_SIZE			7
+#define HSMC3_NRD_PULSE_OFFSET			16
+#define HSMC3_NRD_PULSE_SIZE			7
+#define HSMC3_NCS_RD_PULSE_OFFSET		24
+#define HSMC3_NCS_RD_PULSE_SIZE			7
+
+/* Bitfields in CYCLE0 */
+#define HSMC3_NWE_CYCLE_OFFSET			0
+#define HSMC3_NWE_CYCLE_SIZE			9
+#define HSMC3_NRD_CYCLE_OFFSET			16
+#define HSMC3_NRD_CYCLE_SIZE			9
+
+/* Bitfields in MODE0 */
+#define HSMC3_READ_MODE_OFFSET			0
+#define HSMC3_READ_MODE_SIZE			1
+#define HSMC3_WRITE_MODE_OFFSET			1
+#define HSMC3_WRITE_MODE_SIZE			1
+#define HSMC3_EXNW_MODE_OFFSET			4
+#define HSMC3_EXNW_MODE_SIZE			2
+#define HSMC3_BAT_OFFSET			8
+#define HSMC3_BAT_SIZE				1
+#define HSMC3_DBW_OFFSET			12
+#define HSMC3_DBW_SIZE				2
+#define HSMC3_TDF_CYCLES_OFFSET			16
+#define HSMC3_TDF_CYCLES_SIZE			4
+#define HSMC3_TDF_MODE_OFFSET			20
+#define HSMC3_TDF_MODE_SIZE			1
+#define HSMC3_PMEN_OFFSET			24
+#define HSMC3_PMEN_SIZE				1
+#define HSMC3_PS_OFFSET				28
+#define HSMC3_PS_SIZE				2
+
+/* Bitfields in MODE1 */
+#define HSMC3_PD_OFFSET				28
+#define HSMC3_PD_SIZE				2
+
+/* Constants for READ_MODE */
+#define HSMC3_READ_MODE_NCS_CONTROLLED		0
+#define HSMC3_READ_MODE_NRD_CONTROLLED		1
+
+/* Constants for WRITE_MODE */
+#define HSMC3_WRITE_MODE_NCS_CONTROLLED		0
+#define HSMC3_WRITE_MODE_NWE_CONTROLLED		1
+
+/* Constants for EXNW_MODE */
+#define HSMC3_EXNW_MODE_DISABLED		0
+#define HSMC3_EXNW_MODE_RESERVED		1
+#define HSMC3_EXNW_MODE_FROZEN			2
+#define HSMC3_EXNW_MODE_READY			3
+
+/* Constants for BAT */
+#define HSMC3_BAT_BYTE_SELECT			0
+#define HSMC3_BAT_BYTE_WRITE			1
+
+/* Constants for DBW */
+#define HSMC3_DBW_8_BITS			0
+#define HSMC3_DBW_16_BITS			1
+#define HSMC3_DBW_32_BITS			2
+
+/* Bit manipulation macros */
+#define HSMC3_BIT(name)						\
+	(1 << HSMC3_##name##_OFFSET)
+#define HSMC3_BF(name,value)					\
+	(((value) & ((1 << HSMC3_##name##_SIZE) - 1))		\
+	 << HSMC3_##name##_OFFSET)
+#define HSMC3_BFEXT(name,value)					\
+	(((value) >> HSMC3_##name##_OFFSET)			\
+	 & ((1 << HSMC3_##name##_SIZE) - 1))
+#define HSMC3_BFINS(name,value,old)\
+	(((old) & ~(((1 << HSMC3_##name##_SIZE) - 1)		\
+		    << HSMC3_##name##_OFFSET))			\
+	 | HSMC3_BF(name,value))
+
+/* Register access macros */
+#define hsmc3_readl(port,reg)					\
+	readl((port)->regs + HSMC3_##reg)
+#define hsmc3_writel(port,reg,value)				\
+	writel((value), (port)->regs + HSMC3_##reg)
+
+#endif /* __CPU_AT32AP_HSMC3_H__ */
diff --git a/cpu/at32ap/interrupts.c b/cpu/at32ap/interrupts.c
new file mode 100644
index 00000000000..d720cfa942b
--- /dev/null
+++ b/cpu/at32ap/interrupts.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2004-2006 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/div64.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <asm/sysreg.h>
+
+#include <asm/arch/platform.h>
+
+#define HANDLER_MASK	0x00ffffff
+#define INTLEV_SHIFT	30
+#define INTLEV_MASK	0x00000003
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Incremented whenever COUNT reaches 0xffffffff by timer_interrupt_handler */
+volatile unsigned long timer_overflow;
+
+/*
+ * Instead of dividing by get_tbclk(), multiply by this constant and
+ * right-shift the result by 32 bits.
+ */
+static unsigned long tb_factor;
+
+static const struct device *intc_dev;
+
+unsigned long get_tbclk(void)
+{
+	return gd->cpu_hz;
+}
+
+unsigned long long get_ticks(void)
+{
+	unsigned long lo, hi_now, hi_prev;
+
+	do {
+		hi_prev = timer_overflow;
+		lo = sysreg_read(COUNT);
+		hi_now = timer_overflow;
+	} while (hi_prev != hi_now);
+
+	return ((unsigned long long)hi_now << 32) | lo;
+}
+
+void reset_timer(void)
+{
+	sysreg_write(COUNT, 0);
+	cpu_sync_pipeline();	/* process any pending interrupts */
+	timer_overflow = 0;
+}
+
+unsigned long get_timer(unsigned long base)
+{
+	u64 now = get_ticks();
+
+	now *= tb_factor;
+	return (unsigned long)(now >> 32) - base;
+}
+
+void set_timer(unsigned long t)
+{
+	unsigned long long ticks = t;
+	unsigned long lo, hi, hi_new;
+
+	ticks = (ticks * get_tbclk()) / CFG_HZ;
+	hi = ticks >> 32;
+	lo = ticks & 0xffffffffUL;
+
+	do {
+		timer_overflow = hi;
+		sysreg_write(COUNT, lo);
+		hi_new = timer_overflow;
+	} while (hi_new != hi);
+}
+
+/*
+ * For short delays only. It will overflow after a few seconds.
+ */
+void udelay(unsigned long usec)
+{
+	unsigned long now, end;
+
+	now = sysreg_read(COUNT);
+
+	end = ((usec * (get_tbclk() / 10000)) + 50) / 100;
+	end += now;
+
+	while (now > end)
+		now = sysreg_read(COUNT);
+
+	while (now < end)
+		now = sysreg_read(COUNT);
+}
+
+static int set_interrupt_handler(unsigned int nr, void (*handler)(void),
+				 unsigned int priority)
+{
+	unsigned long intpr;
+	unsigned long handler_addr = (unsigned long)handler;
+
+	if ((handler_addr & HANDLER_MASK) != handler_addr
+	    || (priority & INTLEV_MASK) != priority)
+		return -EINVAL;
+
+	intpr = (handler_addr & HANDLER_MASK);
+	intpr |= (priority & INTLEV_MASK) << INTLEV_SHIFT;
+	writel(intpr, intc_dev->regs + 4 * nr);
+
+	return 0;
+}
+
+void timer_init(void)
+{
+	extern void timer_interrupt_handler(void);
+	u64 tmp;
+
+	sysreg_write(COUNT, 0);
+
+	tmp = (u64)CFG_HZ << 32;
+	tmp += gd->cpu_hz / 2;
+	do_div(tmp, gd->cpu_hz);
+	tb_factor = (u32)tmp;
+
+	intc_dev = get_device(DEVICE_INTC);
+
+	if (!intc_dev
+	    || set_interrupt_handler(0, &timer_interrupt_handler, 3))
+		return;
+
+	/* For all practical purposes, this gives us an overflow interrupt */
+	sysreg_write(COMPARE, 0xffffffff);
+}
diff --git a/cpu/at32ap/pio.c b/cpu/at32ap/pio.c
new file mode 100644
index 00000000000..8b6c3a35df5
--- /dev/null
+++ b/cpu/at32ap/pio.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2006 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/errno.h>
+#include <asm/io.h>
+#include <asm/arch/platform.h>
+
+#include "pio2.h"
+
+struct pio_state {
+	const struct device *dev;
+	u32 alloc_mask;
+};
+
+static struct pio_state pio_state[CFG_NR_PIOS];
+
+int gpio_set_func(enum device_id gpio_devid, unsigned int start,
+		  unsigned int nr_pins, enum gpio_func func)
+{
+	const struct device *gpio;
+	struct pio_state *state;
+	u32 mask;
+
+	state = &pio_state[gpio_devid - DEVICE_PIOA];
+
+	gpio = get_device(gpio_devid);
+	if (!gpio)
+		return -EBUSY;
+
+	state->dev = gpio;
+	mask = ((1 << nr_pins) - 1) << start;
+
+	if (mask & state->alloc_mask) {
+		put_device(gpio);
+		return -EBUSY;
+	}
+	state->alloc_mask |= mask;
+
+	switch (func) {
+	case GPIO_FUNC_GPIO:
+		/* TODO */
+		return -EINVAL;
+	case GPIO_FUNC_A:
+		pio2_writel(gpio, ASR, mask);
+		pio2_writel(gpio, PDR, mask);
+		pio2_writel(gpio, PUDR, mask);
+		break;
+	case GPIO_FUNC_B:
+		pio2_writel(gpio, BSR, mask);
+		pio2_writel(gpio, PDR, mask);
+		pio2_writel(gpio, PUDR, mask);
+		break;
+	}
+
+	return 0;
+}
+
+void gpio_free(enum device_id gpio_devid, unsigned int start,
+	       unsigned int nr_pins)
+{
+	const struct device *gpio;
+	struct pio_state *state;
+	u32 mask;
+
+	state = &pio_state[gpio_devid - DEVICE_PIOA];
+	gpio = state->dev;
+	mask = ((1 << nr_pins) - 1) << start;
+
+	pio2_writel(gpio, ODR, mask);
+	pio2_writel(gpio, PER, mask);
+
+	state->alloc_mask &= ~mask;
+	put_device(gpio);
+}
diff --git a/cpu/at32ap/pio2.h b/cpu/at32ap/pio2.h
new file mode 100644
index 00000000000..6b79de3c72b
--- /dev/null
+++ b/cpu/at32ap/pio2.h
@@ -0,0 +1,44 @@
+/*
+ * Register definitions for Parallel Input/Output Controller
+ */
+#ifndef __CPU_AT32AP_PIO2_H__
+#define __CPU_AT32AP_PIO2_H__
+
+/* PIO2 register offsets */
+#define PIO2_PER				0x0000
+#define PIO2_PDR				0x0004
+#define PIO2_PSR				0x0008
+#define PIO2_OER				0x0010
+#define PIO2_ODR				0x0014
+#define PIO2_OSR				0x0018
+#define PIO2_IFER				0x0020
+#define PIO2_IFDR				0x0024
+#define PIO2_ISFR				0x0028
+#define PIO2_SODR				0x0030
+#define PIO2_CODR				0x0034
+#define PIO2_ODSR				0x0038
+#define PIO2_PDSR				0x003c
+#define PIO2_IER				0x0040
+#define PIO2_IDR				0x0044
+#define PIO2_IMR				0x0048
+#define PIO2_ISR				0x004c
+#define PIO2_MDER				0x0050
+#define PIO2_MDDR				0x0054
+#define PIO2_MDSR				0x0058
+#define PIO2_PUDR				0x0060
+#define PIO2_PUER				0x0064
+#define PIO2_PUSR				0x0068
+#define PIO2_ASR				0x0070
+#define PIO2_BSR				0x0074
+#define PIO2_ABSR				0x0078
+#define PIO2_OWER				0x00a0
+#define PIO2_OWDR				0x00a4
+#define PIO2_OWSR				0x00a8
+
+/* Register access macros */
+#define pio2_readl(port,reg)				\
+	readl((port)->regs + PIO2_##reg)
+#define pio2_writel(port,reg,value)			\
+	writel((value), (port)->regs + PIO2_##reg)
+
+#endif /* __CPU_AT32AP_PIO2_H__ */
diff --git a/cpu/at32ap/pm.c b/cpu/at32ap/pm.c
new file mode 100644
index 00000000000..01ac325ee8f
--- /dev/null
+++ b/cpu/at32ap/pm.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2006 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>
+
+#ifdef CFG_POWER_MANAGER
+#include <asm/errno.h>
+#include <asm/io.h>
+
+#include <asm/arch/memory-map.h>
+#include <asm/arch/platform.h>
+
+#include "sm.h"
+
+/* Sanity checks */
+#if (CFG_CLKDIV_CPU > CFG_CLKDIV_HSB)		\
+	|| (CFG_CLKDIV_HSB > CFG_CLKDIV_PBA)	\
+	|| (CFG_CLKDIV_HSB > CFG_CLKDIV_PBB)
+# error Constraint fCPU >= fHSB >= fPB{A,B} violated
+#endif
+#if defined(CONFIG_PLL) && ((CFG_PLL0_MUL < 1) || (CFG_PLL0_DIV < 1))
+# error Invalid PLL multiplier and/or divider
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct clock_domain_state {
+	const struct device *bridge;
+	unsigned long freq;
+	u32 mask;
+};
+static struct clock_domain_state ckd_state[NR_CLOCK_DOMAINS];
+
+int pm_enable_clock(enum clock_domain_id id, unsigned int index)
+{
+	const struct clock_domain *ckd = &chip_clock[id];
+	struct clock_domain_state *state = &ckd_state[id];
+
+	if (ckd->bridge != NO_DEVICE) {
+		state->bridge = get_device(ckd->bridge);
+		if (!state->bridge)
+			return -EBUSY;
+	}
+
+	state->mask |= 1 << index;
+	if (gd->sm)
+		writel(state->mask, gd->sm->regs + ckd->reg);
+
+	return 0;
+}
+
+void pm_disable_clock(enum clock_domain_id id, unsigned int index)
+{
+	const struct clock_domain *ckd = &chip_clock[id];
+	struct clock_domain_state *state = &ckd_state[id];
+
+	state->mask &= ~(1 << index);
+	if (gd->sm)
+		writel(state->mask, gd->sm->regs + ckd->reg);
+
+	if (ckd->bridge)
+		put_device(state->bridge);
+}
+
+unsigned long pm_get_clock_freq(enum clock_domain_id domain)
+{
+	return ckd_state[domain].freq;
+}
+
+void pm_init(void)
+{
+	uint32_t cksel = 0;
+	unsigned long main_clock;
+
+	/* Make sure we don't disable any device we're already using */
+	get_device(DEVICE_HRAMC);
+	get_device(DEVICE_HEBI);
+
+	/* Enable the PICO as well */
+	ckd_state[CLOCK_CPU].mask |= 1;
+
+	gd->sm = get_device(DEVICE_SM);
+	if (!gd->sm)
+		panic("Unable to claim system manager device!\n");
+
+	/* Disable any devices that haven't been explicitly claimed */
+	sm_writel(gd->sm, PM_PBB_MASK, ckd_state[CLOCK_PBB].mask);
+	sm_writel(gd->sm, PM_PBA_MASK, ckd_state[CLOCK_PBA].mask);
+	sm_writel(gd->sm, PM_HSB_MASK, ckd_state[CLOCK_HSB].mask);
+	sm_writel(gd->sm, PM_CPU_MASK, ckd_state[CLOCK_CPU].mask);
+
+#ifdef CONFIG_PLL
+	/* Initialize the PLL */
+	main_clock = (CFG_OSC0_HZ / CFG_PLL0_DIV) * CFG_PLL0_MUL;
+
+	sm_writel(gd->sm, PM_PLL0, (SM_BF(PLLCOUNT, CFG_PLL0_SUPPRESS_CYCLES)
+				    | SM_BF(PLLMUL, CFG_PLL0_MUL - 1)
+				    | SM_BF(PLLDIV, CFG_PLL0_DIV - 1)
+				    | SM_BF(PLLOPT, CFG_PLL0_OPT)
+				    | SM_BF(PLLOSC, 0)
+				    | SM_BIT(PLLEN)));
+
+	/* Wait for lock */
+	while (!(sm_readl(gd->sm, PM_ISR) & SM_BIT(LOCK0))) ;
+#else
+	main_clock = CFG_OSC0_HZ;
+#endif
+
+	/* Set up clocks for the CPU and all peripheral buses */
+	if (CFG_CLKDIV_CPU) {
+		cksel |= SM_BIT(CPUDIV) | SM_BF(CPUSEL, CFG_CLKDIV_CPU - 1);
+		ckd_state[CLOCK_CPU].freq = main_clock / (1 << CFG_CLKDIV_CPU);
+	} else {
+		ckd_state[CLOCK_CPU].freq = main_clock;
+	}
+	if (CFG_CLKDIV_HSB) {
+		cksel |= SM_BIT(HSBDIV) | SM_BF(HSBSEL, CFG_CLKDIV_HSB - 1);
+		ckd_state[CLOCK_HSB].freq = main_clock / (1 << CFG_CLKDIV_HSB);
+	} else {
+		ckd_state[CLOCK_HSB].freq = main_clock;
+	}
+	if (CFG_CLKDIV_PBA) {
+		cksel |= SM_BIT(PBADIV) | SM_BF(PBASEL, CFG_CLKDIV_PBA - 1);
+		ckd_state[CLOCK_PBA].freq = main_clock / (1 << CFG_CLKDIV_PBA);
+	} else {
+		ckd_state[CLOCK_PBA].freq = main_clock;
+	}
+	if (CFG_CLKDIV_PBB) {
+		cksel |= SM_BIT(PBBDIV) | SM_BF(PBBSEL, CFG_CLKDIV_PBB - 1);
+		ckd_state[CLOCK_PBB].freq = main_clock / (1 << CFG_CLKDIV_PBB);
+	} else {
+		ckd_state[CLOCK_PBB].freq = main_clock;
+	}
+	sm_writel(gd->sm, PM_CKSEL, cksel);
+
+	/* CFG_HZ currently depends on cpu_hz */
+	gd->cpu_hz = ckd_state[CLOCK_CPU].freq;
+
+#ifdef CONFIG_PLL
+	/* Use PLL0 as main clock */
+	sm_writel(gd->sm, PM_MCCTRL, SM_BIT(PLLSEL));
+#endif
+}
+
+#endif /* CFG_POWER_MANAGER */
diff --git a/cpu/at32ap/sm.h b/cpu/at32ap/sm.h
new file mode 100644
index 00000000000..ce81ef0a463
--- /dev/null
+++ b/cpu/at32ap/sm.h
@@ -0,0 +1,204 @@
+/*
+ * Register definitions for System Manager
+ */
+#ifndef __CPU_AT32AP_SM_H__
+#define __CPU_AT32AP_SM_H__
+
+/* SM register offsets */
+#define SM_PM_MCCTRL				0x0000
+#define SM_PM_CKSEL				0x0004
+#define SM_PM_CPU_MASK				0x0008
+#define SM_PM_HSB_MASK				0x000c
+#define SM_PM_PBA_MASK				0x0010
+#define SM_PM_PBB_MASK				0x0014
+#define SM_PM_PLL0				0x0020
+#define SM_PM_PLL1				0x0024
+#define SM_PM_VCTRL				0x0030
+#define SM_PM_VMREF				0x0034
+#define SM_PM_VMV				0x0038
+#define SM_PM_IER				0x0040
+#define SM_PM_IDR				0x0044
+#define SM_PM_IMR				0x0048
+#define SM_PM_ISR				0x004c
+#define SM_PM_ICR				0x0050
+#define SM_PM_GCCTRL				0x0060
+#define SM_RTC_CTRL				0x0080
+#define SM_RTC_VAL				0x0084
+#define SM_RTC_TOP				0x0088
+#define SM_RTC_IER				0x0090
+#define SM_RTC_IDR				0x0094
+#define SM_RTC_IMR				0x0098
+#define SM_RTC_ISR				0x009c
+#define SM_RTC_ICR				0x00a0
+#define SM_WDT_CTRL				0x00b0
+#define SM_WDT_CLR				0x00b4
+#define SM_WDT_EXT				0x00b8
+#define SM_RC_RCAUSE				0x00c0
+#define SM_EIM_IER				0x0100
+#define SM_EIM_IDR				0x0104
+#define SM_EIM_IMR				0x0108
+#define SM_EIM_ISR				0x010c
+#define SM_EIM_ICR				0x0110
+#define SM_EIM_MODE				0x0114
+#define SM_EIM_EDGE				0x0118
+#define SM_EIM_LEVEL				0x011c
+#define SM_EIM_TEST				0x0120
+#define SM_EIM_NMIC				0x0124
+
+/* Bitfields in PM_CKSEL */
+#define SM_CPUSEL_OFFSET			0
+#define SM_CPUSEL_SIZE				3
+#define SM_CPUDIV_OFFSET			7
+#define SM_CPUDIV_SIZE				1
+#define SM_HSBSEL_OFFSET			8
+#define SM_HSBSEL_SIZE				3
+#define SM_HSBDIV_OFFSET			15
+#define SM_HSBDIV_SIZE				1
+#define SM_PBASEL_OFFSET			16
+#define SM_PBASEL_SIZE				3
+#define SM_PBADIV_OFFSET			23
+#define SM_PBADIV_SIZE				1
+#define SM_PBBSEL_OFFSET			24
+#define SM_PBBSEL_SIZE				3
+#define SM_PBBDIV_OFFSET			31
+#define SM_PBBDIV_SIZE				1
+
+/* Bitfields in PM_PLL0 */
+#define SM_PLLEN_OFFSET				0
+#define SM_PLLEN_SIZE				1
+#define SM_PLLOSC_OFFSET			1
+#define SM_PLLOSC_SIZE				1
+#define SM_PLLOPT_OFFSET			2
+#define SM_PLLOPT_SIZE				3
+#define SM_PLLDIV_OFFSET			8
+#define SM_PLLDIV_SIZE				8
+#define SM_PLLMUL_OFFSET			16
+#define SM_PLLMUL_SIZE				8
+#define SM_PLLCOUNT_OFFSET			24
+#define SM_PLLCOUNT_SIZE			6
+#define SM_PLLTEST_OFFSET			31
+#define SM_PLLTEST_SIZE				1
+
+/* Bitfields in PM_VCTRL */
+#define SM_VAUTO_OFFSET				0
+#define SM_VAUTO_SIZE				1
+#define SM_PM_VCTRL_VAL_OFFSET			8
+#define SM_PM_VCTRL_VAL_SIZE			7
+
+/* Bitfields in PM_VMREF */
+#define SM_REFSEL_OFFSET			0
+#define SM_REFSEL_SIZE				4
+
+/* Bitfields in PM_VMV */
+#define SM_PM_VMV_VAL_OFFSET			0
+#define SM_PM_VMV_VAL_SIZE			8
+
+/* Bitfields in PM_ICR */
+#define SM_LOCK0_OFFSET				0
+#define SM_LOCK0_SIZE				1
+#define SM_LOCK1_OFFSET				1
+#define SM_LOCK1_SIZE				1
+#define SM_WAKE_OFFSET				2
+#define SM_WAKE_SIZE				1
+#define SM_VOK_OFFSET				3
+#define SM_VOK_SIZE				1
+#define SM_VMRDY_OFFSET				4
+#define SM_VMRDY_SIZE				1
+#define SM_CKRDY_OFFSET				5
+#define SM_CKRDY_SIZE				1
+
+/* Bitfields in PM_GCCTRL */
+#define SM_OSCSEL_OFFSET			0
+#define SM_OSCSEL_SIZE				1
+#define SM_PLLSEL_OFFSET			1
+#define SM_PLLSEL_SIZE				1
+#define SM_CEN_OFFSET				2
+#define SM_CEN_SIZE				1
+#define SM_CPC_OFFSET				3
+#define SM_CPC_SIZE				1
+#define SM_DIVEN_OFFSET				4
+#define SM_DIVEN_SIZE				1
+#define SM_DIV_OFFSET				8
+#define SM_DIV_SIZE				8
+
+/* Bitfields in RTC_CTRL */
+#define SM_PCLR_OFFSET				1
+#define SM_PCLR_SIZE				1
+#define SM_TOPEN_OFFSET				2
+#define SM_TOPEN_SIZE				1
+#define SM_CLKEN_OFFSET				3
+#define SM_CLKEN_SIZE				1
+#define SM_PSEL_OFFSET				8
+#define SM_PSEL_SIZE				16
+
+/* Bitfields in RTC_VAL */
+#define SM_RTC_VAL_VAL_OFFSET			0
+#define SM_RTC_VAL_VAL_SIZE			31
+
+/* Bitfields in RTC_TOP */
+#define SM_RTC_TOP_VAL_OFFSET			0
+#define SM_RTC_TOP_VAL_SIZE			32
+
+/* Bitfields in RTC_ICR */
+#define SM_TOPI_OFFSET				0
+#define SM_TOPI_SIZE				1
+
+/* Bitfields in WDT_CTRL */
+#define SM_KEY_OFFSET				24
+#define SM_KEY_SIZE				8
+
+/* Bitfields in RC_RCAUSE */
+#define SM_POR_OFFSET				0
+#define SM_POR_SIZE				1
+#define SM_BOD_OFFSET				1
+#define SM_BOD_SIZE				1
+#define SM_EXT_OFFSET				2
+#define SM_EXT_SIZE				1
+#define SM_WDT_OFFSET				3
+#define SM_WDT_SIZE				1
+#define SM_NTAE_OFFSET				4
+#define SM_NTAE_SIZE				1
+#define SM_SERP_OFFSET				5
+#define SM_SERP_SIZE				1
+
+/* Bitfields in EIM_EDGE */
+#define SM_INT0_OFFSET				0
+#define SM_INT0_SIZE				1
+#define SM_INT1_OFFSET				1
+#define SM_INT1_SIZE				1
+#define SM_INT2_OFFSET				2
+#define SM_INT2_SIZE				1
+#define SM_INT3_OFFSET				3
+#define SM_INT3_SIZE				1
+
+/* Bitfields in EIM_LEVEL */
+
+/* Bitfields in EIM_TEST */
+#define SM_TESTEN_OFFSET			31
+#define SM_TESTEN_SIZE				1
+
+/* Bitfields in EIM_NMIC */
+#define SM_EN_OFFSET				0
+#define SM_EN_SIZE				1
+
+/* Bit manipulation macros */
+#define SM_BIT(name)					\
+	(1 << SM_##name##_OFFSET)
+#define SM_BF(name,value)				\
+	(((value) & ((1 << SM_##name##_SIZE) - 1))	\
+	 << SM_##name##_OFFSET)
+#define SM_BFEXT(name,value)				\
+	(((value) >> SM_##name##_OFFSET)		\
+	 & ((1 << SM_##name##_SIZE) - 1))
+#define SM_BFINS(name,value,old)			\
+	(((old) & ~(((1 << SM_##name##_SIZE) - 1)	\
+		    << SM_##name##_OFFSET))		\
+	 | SM_BF(name,value))
+
+/* Register access macros */
+#define sm_readl(port,reg)				\
+	readl((port)->regs + SM_##reg)
+#define sm_writel(port,reg,value)			\
+	writel((value), (port)->regs + SM_##reg)
+
+#endif /* __CPU_AT32AP_SM_H__ */
diff --git a/cpu/at32ap/start.S b/cpu/at32ap/start.S
new file mode 100644
index 00000000000..79ee33b1fac
--- /dev/null
+++ b/cpu/at32ap/start.S
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2005-2006 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 <config.h>
+#include <asm/sysreg.h>
+
+#ifndef PART_SPECIFIC_BOOTSTRAP
+# define PART_SPECIFIC_BOOTSTRAP
+#endif
+
+#define SYSREG_MMUCR_I_OFFSET	2
+#define SYSREG_MMUCR_S_OFFSET	4
+
+#define SR_INIT (SYSREG_BIT(GM) | SYSREG_BIT(EM) | SYSREG_BIT(M0))
+#define CPUCR_INIT (SYSREG_BIT(BI) | SYSREG_BIT(BE)		\
+		    | SYSREG_BIT(FE) | SYSREG_BIT(RE)		\
+		    | SYSREG_BIT(IBE) | SYSREG_BIT(IEE))
+
+	.text
+	.global	_start
+_start:
+	PART_SPECIFIC_BOOTSTRAP
+
+	/* Reset the Status Register */
+	mov	r0, lo(SR_INIT)
+	orh	r0, hi(SR_INIT)
+	mtsr	SYSREG_SR, r0
+
+	/* Reset CPUCR and invalidate the BTB */
+	mov	r2, CPUCR_INIT
+	mtsr	SYSREG_CPUCR, r2
+
+	/* Flush the caches */
+	mov	r1, 0
+	cache	r1[4], 8
+	cache	r1[0], 0
+	sync	0
+
+	/* Reset the MMU to default settings */
+	mov	r0, SYSREG_BIT(MMUCR_S) | SYSREG_BIT(MMUCR_I)
+	mtsr	SYSREG_MMUCR, r0
+
+	/* Internal RAM should not need any initialization.  We might
+	   have to initialize external RAM here if the part doesn't
+	   have internal RAM (or we may use the data cache) */
+
+	/* Jump to cacheable segment */
+	lddpc	pc, 1f
+
+	.align	2
+1:	.long	2f
+
+2:	lddpc	sp, sp_init
+
+	/*
+	 * Relocate the data section and initialize .bss.  Everything
+	 * is guaranteed to be at least doubleword aligned by the
+	 * linker script.
+	 */
+	lddpc	r12, .Ldata_vma
+	lddpc	r11, .Ldata_lma
+	lddpc	r10, .Ldata_end
+	sub	r10, r12
+4:	ld.d	r8, r11++
+	sub	r10, 8
+	st.d	r12++, r8
+	brne	4b
+
+	mov	r8, 0
+	mov	r9, 0
+	lddpc	r10, .Lbss_end
+	sub	r10, r12
+4:	sub	r10, 8
+	st.d	r12++, r8
+	brne	4b
+
+	/* Initialize the GOT pointer */
+	lddpc	r6, got_init
+3:	rsub	r6, pc
+	ld.w	pc, r6[start_u_boot@got]
+
+	.align	2
+	.type	sp_init,@object
+sp_init:
+	.long	CFG_INIT_SP_ADDR
+got_init:
+	.long	3b - _GLOBAL_OFFSET_TABLE_
+.Ldata_lma:
+	.long	__data_lma
+.Ldata_vma:
+	.long	_data
+.Ldata_end:
+	.long	_edata
+.Lbss_end:
+	.long	_end