Merge with /home/wd/git/u-boot/custodian/u-boot-avr32; code cleanup.

20 files changed, 1022 insertions, 898 deletions

diff --git a/cpu/at32ap/Makefile b/cpu/at32ap/Makefile
index f62ec8bc9b..f69b1f3854 100644
--- a/cpu/at32ap/Makefile
+++ b/cpu/at32ap/Makefile
@@ -30,7 +30,7 @@ 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
+COBJS	+= interrupts.o pio.o atmel_mci.o
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
 START	:= $(addprefix $(obj),$(START))
diff --git a/cpu/at32ap/at32ap7000/Makefile b/cpu/at32ap/at32ap7000/Makefile
index 2ed74d2508..d276712118 100644
--- a/cpu/at32ap/at32ap7000/Makefile
+++ b/cpu/at32ap/at32ap7000/Makefile
@@ -24,7 +24,7 @@ include $(TOPDIR)/config.mk
 
 LIB	:= $(obj)lib$(SOC).a
 
-COBJS	:= hebi.o devices.o
+COBJS	:= gpio.o
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
 
diff --git a/cpu/at32ap/at32ap7000/devices.c b/cpu/at32ap/at32ap7000/devices.c
deleted file mode 100644
index 8b216e906a..0000000000
--- a/cpu/at32ap/at32ap7000/devices.c
+++ /dev/null
@@ -1,448 +0,0 @@
-/*
- * 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/gpio.c b/cpu/at32ap/at32ap7000/gpio.c
new file mode 100644
index 0000000000..52f5372a60
--- /dev/null
+++ b/cpu/at32ap/at32ap7000/gpio.c
@@ -0,0 +1,137 @@
+/*
+ * 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/gpio.h>
+
+/*
+ * Lots of small functions here. We depend on --gc-sections getting
+ * rid of the ones we don't need.
+ */
+void gpio_enable_ebi(void)
+{
+#ifdef CFG_HSDRAMC
+#ifndef CFG_SDRAM_16BIT
+	gpio_select_periph_A(GPIO_PIN_PE0, 0);
+	gpio_select_periph_A(GPIO_PIN_PE1, 0);
+	gpio_select_periph_A(GPIO_PIN_PE2, 0);
+	gpio_select_periph_A(GPIO_PIN_PE3, 0);
+	gpio_select_periph_A(GPIO_PIN_PE4, 0);
+	gpio_select_periph_A(GPIO_PIN_PE5, 0);
+	gpio_select_periph_A(GPIO_PIN_PE6, 0);
+	gpio_select_periph_A(GPIO_PIN_PE7, 0);
+	gpio_select_periph_A(GPIO_PIN_PE8, 0);
+	gpio_select_periph_A(GPIO_PIN_PE9, 0);
+	gpio_select_periph_A(GPIO_PIN_PE10, 0);
+	gpio_select_periph_A(GPIO_PIN_PE11, 0);
+	gpio_select_periph_A(GPIO_PIN_PE12, 0);
+	gpio_select_periph_A(GPIO_PIN_PE13, 0);
+	gpio_select_periph_A(GPIO_PIN_PE14, 0);
+	gpio_select_periph_A(GPIO_PIN_PE15, 0);
+#endif
+	gpio_select_periph_A(GPIO_PIN_PE26, 0);
+#endif
+}
+
+void gpio_enable_usart0(void)
+{
+	gpio_select_periph_B(GPIO_PIN_PA8, 0);
+	gpio_select_periph_B(GPIO_PIN_PA9, 0);
+}
+
+void gpio_enable_usart1(void)
+{
+	gpio_select_periph_A(GPIO_PIN_PA17, 0);
+	gpio_select_periph_A(GPIO_PIN_PA18, 0);
+}
+
+void gpio_enable_usart2(void)
+{
+	gpio_select_periph_B(GPIO_PIN_PB26, 0);
+	gpio_select_periph_B(GPIO_PIN_PB27, 0);
+}
+
+void gpio_enable_usart3(void)
+{
+	gpio_select_periph_B(GPIO_PIN_PB18, 0);
+	gpio_select_periph_B(GPIO_PIN_PB19, 0);
+}
+
+void gpio_enable_macb0(void)
+{
+	gpio_select_periph_A(GPIO_PIN_PC3,  0);	/* TXD0	*/
+	gpio_select_periph_A(GPIO_PIN_PC4,  0);	/* TXD1	*/
+	gpio_select_periph_A(GPIO_PIN_PC7,  0);	/* TXEN	*/
+	gpio_select_periph_A(GPIO_PIN_PC8,  0);	/* TXCK */
+	gpio_select_periph_A(GPIO_PIN_PC9,  0);	/* RXD0	*/
+	gpio_select_periph_A(GPIO_PIN_PC10, 0);	/* RXD1	*/
+	gpio_select_periph_A(GPIO_PIN_PC13, 0);	/* RXER	*/
+	gpio_select_periph_A(GPIO_PIN_PC15, 0);	/* RXDV	*/
+	gpio_select_periph_A(GPIO_PIN_PC16, 0);	/* MDC	*/
+	gpio_select_periph_A(GPIO_PIN_PC17, 0);	/* MDIO	*/
+#if !defined(CONFIG_RMII)
+	gpio_select_periph_A(GPIO_PIN_PC0,  0);	/* COL	*/
+	gpio_select_periph_A(GPIO_PIN_PC1,  0);	/* CRS	*/
+	gpio_select_periph_A(GPIO_PIN_PC2,  0);	/* TXER	*/
+	gpio_select_periph_A(GPIO_PIN_PC5,  0);	/* TXD2	*/
+	gpio_select_periph_A(GPIO_PIN_PC6,  0);	/* TXD3 */
+	gpio_select_periph_A(GPIO_PIN_PC11, 0);	/* RXD2	*/
+	gpio_select_periph_A(GPIO_PIN_PC12, 0);	/* RXD3	*/
+	gpio_select_periph_A(GPIO_PIN_PC14, 0);	/* RXCK	*/
+	gpio_select_periph_A(GPIO_PIN_PC18, 0);	/* SPD	*/
+#endif
+}
+
+void gpio_enable_macb1(void)
+{
+	gpio_select_periph_B(GPIO_PIN_PD13, 0);	/* TXD0	*/
+	gpio_select_periph_B(GPIO_PIN_PD14, 0);	/* TXD1	*/
+	gpio_select_periph_B(GPIO_PIN_PD11, 0);	/* TXEN	*/
+	gpio_select_periph_B(GPIO_PIN_PD12, 0);	/* TXCK */
+	gpio_select_periph_B(GPIO_PIN_PD10, 0);	/* RXD0	*/
+	gpio_select_periph_B(GPIO_PIN_PD6,  0);	/* RXD1	*/
+	gpio_select_periph_B(GPIO_PIN_PD5,  0);	/* RXER	*/
+	gpio_select_periph_B(GPIO_PIN_PD4,  0);	/* RXDV	*/
+	gpio_select_periph_B(GPIO_PIN_PD3,  0);	/* MDC	*/
+	gpio_select_periph_B(GPIO_PIN_PD2,  0);	/* MDIO	*/
+#if !defined(CONFIG_RMII)
+	gpio_select_periph_B(GPIO_PIN_PC19, 0);	/* COL	*/
+	gpio_select_periph_B(GPIO_PIN_PC23, 0);	/* CRS	*/
+	gpio_select_periph_B(GPIO_PIN_PC26, 0);	/* TXER	*/
+	gpio_select_periph_B(GPIO_PIN_PC27, 0);	/* TXD2	*/
+	gpio_select_periph_B(GPIO_PIN_PC28, 0);	/* TXD3 */
+	gpio_select_periph_B(GPIO_PIN_PC29, 0);	/* RXD2	*/
+	gpio_select_periph_B(GPIO_PIN_PC30, 0);	/* RXD3	*/
+	gpio_select_periph_B(GPIO_PIN_PC24, 0);	/* RXCK	*/
+	gpio_select_periph_B(GPIO_PIN_PD15, 0);	/* SPD	*/
+#endif
+}
+
+void gpio_enable_mmci(void)
+{
+	gpio_select_periph_A(GPIO_PIN_PA10, 0);	/* CLK	 */
+	gpio_select_periph_A(GPIO_PIN_PA11, 0);	/* CMD	 */
+	gpio_select_periph_A(GPIO_PIN_PA12, 0);	/* DATA0 */
+	gpio_select_periph_A(GPIO_PIN_PA13, 0);	/* DATA1 */
+	gpio_select_periph_A(GPIO_PIN_PA14, 0);	/* DATA2 */
+	gpio_select_periph_A(GPIO_PIN_PA15, 0);	/* DATA3 */
+}
diff --git a/cpu/at32ap/at32ap7000/hebi.c b/cpu/at32ap/at32ap7000/hebi.c
deleted file mode 100644
index 3b32adf1ea..0000000000
--- a/cpu/at32ap/at32ap7000/hebi.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * 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/atmel_mci.c b/cpu/at32ap/atmel_mci.c
new file mode 100644
index 0000000000..9f62c0f14b
--- /dev/null
+++ b/cpu/at32ap/atmel_mci.c
@@ -0,0 +1,477 @@
+/*
+ * 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>
+
+#ifdef CONFIG_MMC
+
+#include <part.h>
+#include <mmc.h>
+
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/byteorder.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/memory-map.h>
+
+#include "atmel_mci.h"
+
+#ifdef DEBUG
+#define pr_debug(fmt, args...) printf(fmt, ##args)
+#else
+#define pr_debug(...) do { } while(0)
+#endif
+
+#ifndef CFG_MMC_CLK_OD
+#define CFG_MMC_CLK_OD		150000
+#endif
+
+#ifndef CFG_MMC_CLK_PP
+#define CFG_MMC_CLK_PP		5000000
+#endif
+
+#ifndef CFG_MMC_OP_COND
+#define CFG_MMC_OP_COND		0x00100000
+#endif
+
+#define MMC_DEFAULT_BLKLEN	512
+#define MMC_DEFAULT_RCA		1
+
+static unsigned int mmc_rca;
+static block_dev_desc_t mmc_blkdev;
+
+block_dev_desc_t *mmc_get_dev(int dev)
+{
+	return &mmc_blkdev;
+}
+
+static void mci_set_mode(unsigned long hz, unsigned long blklen)
+{
+	unsigned long bus_hz;
+	unsigned long clkdiv;
+
+	bus_hz = get_mci_clk_rate();
+	clkdiv = (bus_hz / hz) / 2 - 1;
+
+	pr_debug("mmc: setting clock %lu Hz, block size %lu\n",
+		 hz, blklen);
+
+	if (clkdiv & ~255UL) {
+		clkdiv = 255;
+		printf("mmc: clock %lu too low; setting CLKDIV to 255\n",
+			hz);
+	}
+
+	blklen &= 0xfffc;
+	mmci_writel(MR, (MMCI_BF(CLKDIV, clkdiv)
+			 | MMCI_BF(BLKLEN, blklen)));
+}
+
+#define RESP_NO_CRC	1
+#define R1		MMCI_BF(RSPTYP, 1)
+#define R2		MMCI_BF(RSPTYP, 2)
+#define R3		(R1 | RESP_NO_CRC)
+#define R6		R1
+#define NID		MMCI_BF(MAXLAT, 0)
+#define NCR		MMCI_BF(MAXLAT, 1)
+#define TRCMD_START	MMCI_BF(TRCMD, 1)
+#define TRDIR_READ	MMCI_BF(TRDIR, 1)
+#define TRTYP_BLOCK	MMCI_BF(TRTYP, 0)
+#define INIT_CMD	MMCI_BF(SPCMD, 1)
+#define OPEN_DRAIN	MMCI_BF(OPDCMD, 1)
+
+#define ERROR_FLAGS	(MMCI_BIT(DTOE)			\
+			 | MMCI_BIT(RDIRE)		\
+			 | MMCI_BIT(RENDE)		\
+			 | MMCI_BIT(RINDE)		\
+			 | MMCI_BIT(RTOE))
+
+static int
+mmc_cmd(unsigned long cmd, unsigned long arg,
+	void *resp, unsigned long flags)
+{
+	unsigned long *response = resp;
+	int i, response_words = 0;
+	unsigned long error_flags;
+	u32 status;
+
+	pr_debug("mmc: CMD%lu 0x%lx (flags 0x%lx)\n",
+		 cmd, arg, flags);
+
+	error_flags = ERROR_FLAGS;
+	if (!(flags & RESP_NO_CRC))
+		error_flags |= MMCI_BIT(RCRCE);
+
+	flags &= ~MMCI_BF(CMDNB, ~0UL);
+
+	if (MMCI_BFEXT(RSPTYP, flags) == MMCI_RSPTYP_48_BIT_RESP)
+		response_words = 1;
+	else if (MMCI_BFEXT(RSPTYP, flags) == MMCI_RSPTYP_136_BIT_RESP)
+		response_words = 4;
+
+	mmci_writel(ARGR, arg);
+	mmci_writel(CMDR, cmd | flags);
+	do {
+		udelay(40);
+		status = mmci_readl(SR);
+	} while (!(status & MMCI_BIT(CMDRDY)));
+
+	pr_debug("mmc: status 0x%08lx\n", status);
+
+	if (status & ERROR_FLAGS) {
+		printf("mmc: command %lu failed (status: 0x%08lx)\n",
+		       cmd, status);
+		return -EIO;
+	}
+
+	if (response_words)
+		pr_debug("mmc: response:");
+
+	for (i = 0; i < response_words; i++) {
+		response[i] = mmci_readl(RSPR);
+		pr_debug(" %08lx", response[i]);
+	}
+	pr_debug("\n");
+
+	return 0;
+}
+
+static int mmc_acmd(unsigned long cmd, unsigned long arg,
+		    void *resp, unsigned long flags)
+{
+	unsigned long aresp[4];
+	int ret;
+
+	/*
+	 * Seems like the APP_CMD part of an ACMD has 64 cycles max
+	 * latency even though the ACMD part doesn't. This isn't
+	 * entirely clear in the SD Card spec, but some cards refuse
+	 * to work if we attempt to use 5 cycles max latency here...
+	 */
+	ret = mmc_cmd(MMC_CMD_APP_CMD, 0, aresp,
+		      R1 | NCR | (flags & OPEN_DRAIN));
+	if (ret)
+		return ret;
+	if ((aresp[0] & (R1_ILLEGAL_COMMAND | R1_APP_CMD)) != R1_APP_CMD)
+		return -ENODEV;
+
+	ret = mmc_cmd(cmd, arg, resp, flags);
+	return ret;
+}
+
+static unsigned long
+mmc_bread(int dev, unsigned long start, lbaint_t blkcnt,
+	  unsigned long *buffer)
+{
+	int ret, i = 0;
+	unsigned long resp[4];
+	unsigned long card_status, data;
+	unsigned long wordcount;
+	u32 status;
+
+	if (blkcnt == 0)
+		return 0;
+
+	pr_debug("mmc_bread: dev %d, start %lx, blkcnt %lx\n",
+		 dev, start, blkcnt);
+
+	/* Put the device into Transfer state */
+	ret = mmc_cmd(MMC_CMD_SELECT_CARD, mmc_rca << 16, resp, R1 | NCR);
+	if (ret) goto fail;
+
+	/* Set block length */
+	ret = mmc_cmd(MMC_CMD_SET_BLOCKLEN, mmc_blkdev.blksz, resp, R1 | NCR);
+	if (ret) goto fail;
+
+	pr_debug("MCI_DTOR = %08lx\n", mmci_readl(DTOR));
+
+	for (i = 0; i < blkcnt; i++, start++) {
+		ret = mmc_cmd(MMC_CMD_READ_SINGLE_BLOCK,
+			      start * mmc_blkdev.blksz, resp,
+			      (R1 | NCR | TRCMD_START | TRDIR_READ
+			       | TRTYP_BLOCK));
+		if (ret) goto fail;
+
+		ret = -EIO;
+		wordcount = 0;
+		do {
+			do {
+				status = mmci_readl(SR);
+				if (status & (ERROR_FLAGS | MMCI_BIT(OVRE)))
+					goto fail;
+			} while (!(status & MMCI_BIT(RXRDY)));
+
+			if (status & MMCI_BIT(RXRDY)) {
+				data = mmci_readl(RDR);
+				/* pr_debug("%x\n", data); */
+				*buffer++ = data;
+				wordcount++;
+			}
+		} while(wordcount < (512 / 4));
+
+		pr_debug("mmc: read %u words, waiting for BLKE\n", wordcount);
+
+		do {
+			status = mmci_readl(SR);
+		} while (!(status & MMCI_BIT(BLKE)));
+
+		putc('.');
+	}
+
+out:
+	/* Put the device back into Standby state */
+	mmc_cmd(MMC_CMD_SELECT_CARD, 0, resp, NCR);
+	return i;
+
+fail:
+	mmc_cmd(MMC_CMD_SEND_STATUS, mmc_rca << 16, &card_status, R1 | NCR);
+	printf("mmc: bread failed, card status = ", card_status);
+	goto out;
+}
+
+static void mmc_parse_cid(struct mmc_cid *cid, unsigned long *resp)
+{
+	cid->mid = resp[0] >> 24;
+	cid->oid = (resp[0] >> 8) & 0xffff;
+	cid->pnm[0] = resp[0];
+	cid->pnm[1] = resp[1] >> 24;
+	cid->pnm[2] = resp[1] >> 16;
+	cid->pnm[3] = resp[1] >> 8;
+	cid->pnm[4] = resp[1];
+	cid->pnm[5] = resp[2] >> 24;
+	cid->pnm[6] = 0;
+	cid->prv = resp[2] >> 16;
+	cid->psn = (resp[2] << 16) | (resp[3] >> 16);
+	cid->mdt = resp[3] >> 8;
+}
+
+static void sd_parse_cid(struct mmc_cid *cid, unsigned long *resp)
+{
+	cid->mid = resp[0] >> 24;
+	cid->oid = (resp[0] >> 8) & 0xffff;
+	cid->pnm[0] = resp[0];
+	cid->pnm[1] = resp[1] >> 24;
+	cid->pnm[2] = resp[1] >> 16;
+	cid->pnm[3] = resp[1] >> 8;
+	cid->pnm[4] = resp[1];
+	cid->pnm[5] = 0;
+	cid->pnm[6] = 0;
+	cid->prv = resp[2] >> 24;
+	cid->psn = (resp[2] << 8) | (resp[3] >> 24);
+	cid->mdt = (resp[3] >> 8) & 0x0fff;
+}
+
+static void mmc_dump_cid(const struct mmc_cid *cid)
+{
+	printf("Manufacturer ID:       %02lX\n", cid->mid);
+	printf("OEM/Application ID:    %04lX\n", cid->oid);
+	printf("Product name:          %s\n", cid->pnm);
+	printf("Product Revision:      %lu.%lu\n",
+	       cid->prv >> 4, cid->prv & 0x0f);
+	printf("Product Serial Number: %lu\n", cid->psn);
+	printf("Manufacturing Date:    %02lu/%02lu\n",
+	       cid->mdt >> 4, cid->mdt & 0x0f);
+}
+
+static void mmc_dump_csd(const struct mmc_csd *csd)
+{
+	unsigned long *csd_raw = (unsigned long *)csd;
+	printf("CSD data: %08lx %08lx %08lx %08lx\n",
+	       csd_raw[0], csd_raw[1], csd_raw[2], csd_raw[3]);
+	printf("CSD structure version:   1.%u\n", csd->csd_structure);
+	printf("MMC System Spec version: %u\n", csd->spec_vers);
+	printf("Card command classes:    %03x\n", csd->ccc);
+	printf("Read block length:       %u\n", 1 << csd->read_bl_len);
+	if (csd->read_bl_partial)
+		puts("Supports partial reads\n");
+	else
+		puts("Does not support partial reads\n");
+	printf("Write block length:      %u\n", 1 << csd->write_bl_len);
+	if (csd->write_bl_partial)
+		puts("Supports partial writes\n");
+	else
+		puts("Does not support partial writes\n");
+	if (csd->wp_grp_enable)
+		printf("Supports group WP:      %u\n", csd->wp_grp_size + 1);
+	else
+		puts("Does not support group WP\n");
+	printf("Card capacity:		%u bytes\n",
+	       (csd->c_size + 1) * (1 << (csd->c_size_mult + 2)) *
+	       (1 << csd->read_bl_len));
+	printf("File format:            %u/%u\n",
+	       csd->file_format_grp, csd->file_format);
+	puts("Write protection:        ");
+	if (csd->perm_write_protect)
+		puts(" permanent");
+	if (csd->tmp_write_protect)
+		puts(" temporary");
+	putc('\n');
+}
+
+static int mmc_idle_cards(void)
+{
+	int ret;
+
+	/* Reset and initialize all cards */
+	ret = mmc_cmd(MMC_CMD_GO_IDLE_STATE, 0, NULL, 0);
+	if (ret)
+		return ret;
+
+	/* Keep the bus idle for 74 clock cycles */
+	return mmc_cmd(0, 0, NULL, INIT_CMD);
+}
+
+static int sd_init_card(struct mmc_cid *cid, int verbose)
+{
+	unsigned long resp[4];
+	int i, ret = 0;
+
+	mmc_idle_cards();
+	for (i = 0; i < 1000; i++) {
+		ret = mmc_acmd(MMC_ACMD_SD_SEND_OP_COND, CFG_MMC_OP_COND,
+			       resp, R3 | NID);
+		if (ret || (resp[0] & 0x80000000))
+			break;
+		ret = -ETIMEDOUT;
+	}
+
+	if (ret)
+		return ret;
+
+	ret = mmc_cmd(MMC_CMD_ALL_SEND_CID, 0, resp, R2 | NID);
+	if (ret)
+		return ret;
+	sd_parse_cid(cid, resp);
+	if (verbose)
+		mmc_dump_cid(cid);
+
+	/* Get RCA of the card that responded */
+	ret = mmc_cmd(MMC_CMD_SD_SEND_RELATIVE_ADDR, 0, resp, R6 | NCR);
+	if (ret)
+		return ret;
+
+	mmc_rca = resp[0] >> 16;
+	if (verbose)
+		printf("SD Card detected (RCA %u)\n", mmc_rca);
+	return 0;
+}
+
+static int mmc_init_card(struct mmc_cid *cid, int verbose)
+{
+	unsigned long resp[4];
+	int i, ret = 0;
+
+	mmc_idle_cards();
+	for (i = 0; i < 1000; i++) {
+		ret = mmc_cmd(MMC_CMD_SEND_OP_COND, CFG_MMC_OP_COND, resp,
+			      R3 | NID | OPEN_DRAIN);
+		if (ret || (resp[0] & 0x80000000))
+			break;
+		ret = -ETIMEDOUT;
+	}
+
+	if (ret)
+		return ret;
+
+	/* Get CID of all cards. FIXME: Support more than one card */
+	ret = mmc_cmd(MMC_CMD_ALL_SEND_CID, 0, resp, R2 | NID | OPEN_DRAIN);
+	if (ret)
+		return ret;
+	mmc_parse_cid(cid, resp);
+	if (verbose)
+		mmc_dump_cid(cid);
+
+	/* Set Relative Address of the card that responded */
+	ret = mmc_cmd(MMC_CMD_SET_RELATIVE_ADDR, mmc_rca << 16, resp,
+		      R1 | NCR | OPEN_DRAIN);
+	return ret;
+}
+
+int mmc_init(int verbose)
+{
+	struct mmc_cid cid;
+	struct mmc_csd csd;
+	int ret;
+
+	/* Initialize controller */
+	mmci_writel(CR, MMCI_BIT(SWRST));
+	mmci_writel(CR, MMCI_BIT(MCIEN));
+	mmci_writel(DTOR, 0x5f);
+	mmci_writel(IDR, ~0UL);
+	mci_set_mode(CFG_MMC_CLK_OD, MMC_DEFAULT_BLKLEN);
+
+	ret = sd_init_card(&cid, verbose);
+	if (ret) {
+		mmc_rca = MMC_DEFAULT_RCA;
+		ret = mmc_init_card(&cid, verbose);
+	}
+	if (ret)
+		return ret;
+
+	/* Get CSD from the card */
+	ret = mmc_cmd(MMC_CMD_SEND_CSD, mmc_rca << 16, &csd, R2 | NCR);
+	if (ret)
+		return ret;
+	if (verbose)
+		mmc_dump_csd(&csd);
+
+	/* Initialize the blockdev structure */
+	mmc_blkdev.if_type = IF_TYPE_MMC;
+	mmc_blkdev.part_type = PART_TYPE_DOS;
+	mmc_blkdev.block_read = mmc_bread;
+	sprintf((char *)mmc_blkdev.vendor,
+		"Man %02x%04x Snr %08x",
+		cid.mid, cid.oid, cid.psn);
+	strncpy((char *)mmc_blkdev.product, cid.pnm,
+		sizeof(mmc_blkdev.product));
+	sprintf((char *)mmc_blkdev.revision, "%x %x",
+		cid.prv >> 4, cid.prv & 0x0f);
+	mmc_blkdev.blksz = 1 << csd.read_bl_len;
+	mmc_blkdev.lba = (csd.c_size + 1) * (1 << (csd.c_size_mult + 2));
+
+	mci_set_mode(CFG_MMC_CLK_PP, mmc_blkdev.blksz);
+
+#if 0
+	if (fat_register_device(&mmc_blkdev, 1))
+		printf("Could not register MMC fat device\n");
+#else
+	init_part(&mmc_blkdev);
+#endif
+
+	return 0;
+}
+
+int mmc_read(ulong src, uchar *dst, int size)
+{
+	return -ENOSYS;
+}
+
+int mmc_write(uchar *src, ulong dst, int size)
+{
+	return -ENOSYS;
+}
+
+int mmc2info(ulong addr)
+{
+	return 0;
+}
+
+#endif /* CONFIG_MMC */
diff --git a/cpu/at32ap/atmel_mci.h b/cpu/at32ap/atmel_mci.h
new file mode 100644
index 0000000000..0ffbc4fd09
--- /dev/null
+++ b/cpu/at32ap/atmel_mci.h
@@ -0,0 +1,197 @@
+/*
+ * 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
+ */
+#ifndef __CPU_AT32AP_ATMEL_MCI_H__
+#define __CPU_AT32AP_ATMEL_MCI_H__
+
+/* Atmel MultiMedia Card Interface (MCI) registers */
+#define MMCI_CR					0x0000
+#define MMCI_MR					0x0004
+#define MMCI_DTOR				0x0008
+#define MMCI_SDCR				0x000c
+#define MMCI_ARGR				0x0010
+#define MMCI_CMDR				0x0014
+#define MMCI_RSPR				0x0020
+#define MMCI_RSPR1				0x0024
+#define MMCI_RSPR2				0x0028
+#define MMCI_RSPR3				0x002c
+#define MMCI_RDR				0x0030
+#define MMCI_TDR				0x0034
+#define MMCI_SR					0x0040
+#define MMCI_IER				0x0044
+#define MMCI_IDR				0x0048
+#define MMCI_IMR				0x004c
+
+/* Bitfields in CR */
+#define MMCI_MCIEN_OFFSET			0
+#define MMCI_MCIEN_SIZE				1
+#define MMCI_MCIDIS_OFFSET			1
+#define MMCI_MCIDIS_SIZE			1
+#define MMCI_PWSEN_OFFSET			2
+#define MMCI_PWSEN_SIZE				1
+#define MMCI_PWSDIS_OFFSET			3
+#define MMCI_PWSDIS_SIZE			1
+#define MMCI_SWRST_OFFSET			7
+#define MMCI_SWRST_SIZE				1
+
+/* Bitfields in MR */
+#define MMCI_CLKDIV_OFFSET			0
+#define MMCI_CLKDIV_SIZE			8
+#define MMCI_PWSDIV_OFFSET			8
+#define MMCI_PWSDIV_SIZE			3
+#define MMCI_PDCPADV_OFFSET			14
+#define MMCI_PDCPADV_SIZE			1
+#define MMCI_PDCMODE_OFFSET			15
+#define MMCI_PDCMODE_SIZE			1
+#define MMCI_BLKLEN_OFFSET			16
+#define MMCI_BLKLEN_SIZE			16
+
+/* Bitfields in DTOR */
+#define MMCI_DTOCYC_OFFSET			0
+#define MMCI_DTOCYC_SIZE			4
+#define MMCI_DTOMUL_OFFSET			4
+#define MMCI_DTOMUL_SIZE			3
+
+/* Bitfields in SDCR */
+#define MMCI_SCDSEL_OFFSET			0
+#define MMCI_SCDSEL_SIZE			4
+#define MMCI_SCDBUS_OFFSET			7
+#define MMCI_SCDBUS_SIZE			1
+
+/* Bitfields in ARGR */
+#define MMCI_ARG_OFFSET				0
+#define MMCI_ARG_SIZE				32
+
+/* Bitfields in CMDR */
+#define MMCI_CMDNB_OFFSET			0
+#define MMCI_CMDNB_SIZE				6
+#define MMCI_RSPTYP_OFFSET			6
+#define MMCI_RSPTYP_SIZE			2
+#define MMCI_SPCMD_OFFSET			8
+#define MMCI_SPCMD_SIZE				3
+#define MMCI_OPDCMD_OFFSET			11
+#define MMCI_OPDCMD_SIZE			1
+#define MMCI_MAXLAT_OFFSET			12
+#define MMCI_MAXLAT_SIZE			1
+#define MMCI_TRCMD_OFFSET			16
+#define MMCI_TRCMD_SIZE				2
+#define MMCI_TRDIR_OFFSET			18
+#define MMCI_TRDIR_SIZE				1
+#define MMCI_TRTYP_OFFSET			19
+#define MMCI_TRTYP_SIZE				2
+
+/* Bitfields in RSPRx */
+#define MMCI_RSP_OFFSET				0
+#define MMCI_RSP_SIZE				32
+
+/* Bitfields in SR/IER/IDR/IMR */
+#define MMCI_CMDRDY_OFFSET			0
+#define MMCI_CMDRDY_SIZE			1
+#define MMCI_RXRDY_OFFSET			1
+#define MMCI_RXRDY_SIZE				1
+#define MMCI_TXRDY_OFFSET			2
+#define MMCI_TXRDY_SIZE				1
+#define MMCI_BLKE_OFFSET			3
+#define MMCI_BLKE_SIZE				1
+#define MMCI_DTIP_OFFSET			4
+#define MMCI_DTIP_SIZE				1
+#define MMCI_NOTBUSY_OFFSET			5
+#define MMCI_NOTBUSY_SIZE			1
+#define MMCI_ENDRX_OFFSET			6
+#define MMCI_ENDRX_SIZE				1
+#define MMCI_ENDTX_OFFSET			7
+#define MMCI_ENDTX_SIZE				1
+#define MMCI_RXBUFF_OFFSET			14
+#define MMCI_RXBUFF_SIZE			1
+#define MMCI_TXBUFE_OFFSET			15
+#define MMCI_TXBUFE_SIZE			1
+#define MMCI_RINDE_OFFSET			16
+#define MMCI_RINDE_SIZE				1
+#define MMCI_RDIRE_OFFSET			17
+#define MMCI_RDIRE_SIZE				1
+#define MMCI_RCRCE_OFFSET			18
+#define MMCI_RCRCE_SIZE				1
+#define MMCI_RENDE_OFFSET			19
+#define MMCI_RENDE_SIZE				1
+#define MMCI_RTOE_OFFSET			20
+#define MMCI_RTOE_SIZE				1
+#define MMCI_DCRCE_OFFSET			21
+#define MMCI_DCRCE_SIZE				1
+#define MMCI_DTOE_OFFSET			22
+#define MMCI_DTOE_SIZE				1
+#define MMCI_OVRE_OFFSET			30
+#define MMCI_OVRE_SIZE				1
+#define MMCI_UNRE_OFFSET			31
+#define MMCI_UNRE_SIZE				1
+
+/* Constants for DTOMUL */
+#define MMCI_DTOMUL_1_CYCLE			0
+#define MMCI_DTOMUL_16_CYCLES			1
+#define MMCI_DTOMUL_128_CYCLES			2
+#define MMCI_DTOMUL_256_CYCLES			3
+#define MMCI_DTOMUL_1024_CYCLES			4
+#define MMCI_DTOMUL_4096_CYCLES			5
+#define MMCI_DTOMUL_65536_CYCLES		6
+#define MMCI_DTOMUL_1048576_CYCLES		7
+
+/* Constants for RSPTYP */
+#define MMCI_RSPTYP_NO_RESP			0
+#define MMCI_RSPTYP_48_BIT_RESP			1
+#define MMCI_RSPTYP_136_BIT_RESP		2
+
+/* Constants for SPCMD */
+#define MMCI_SPCMD_NO_SPEC_CMD			0
+#define MMCI_SPCMD_INIT_CMD			1
+#define MMCI_SPCMD_SYNC_CMD			2
+#define MMCI_SPCMD_INT_CMD			4
+#define MMCI_SPCMD_INT_RESP			5
+
+/* Constants for TRCMD */
+#define MMCI_TRCMD_NO_TRANS			0
+#define MMCI_TRCMD_START_TRANS			1
+#define MMCI_TRCMD_STOP_TRANS			2
+
+/* Constants for TRTYP */
+#define MMCI_TRTYP_BLOCK			0
+#define MMCI_TRTYP_MULTI_BLOCK			1
+#define MMCI_TRTYP_STREAM			2
+
+/* Bit manipulation macros */
+#define MMCI_BIT(name)					\
+	(1 << MMCI_##name##_OFFSET)
+#define MMCI_BF(name,value)				\
+	(((value) & ((1 << MMCI_##name##_SIZE) - 1))	\
+	 << MMCI_##name##_OFFSET)
+#define MMCI_BFEXT(name,value)				\
+	(((value) >> MMCI_##name##_OFFSET)\
+	 & ((1 << MMCI_##name##_SIZE) - 1))
+#define MMCI_BFINS(name,value,old)			\
+	(((old) & ~(((1 << MMCI_##name##_SIZE) - 1)	\
+		    << MMCI_##name##_OFFSET))		\
+	 | MMCI_BF(name,value))
+
+/* Register access macros */
+#define mmci_readl(reg)					\
+	readl((void *)MMCI_BASE + MMCI_##reg)
+#define mmci_writel(reg,value)				\
+	writel((value), (void *)MMCI_BASE + MMCI_##reg)
+
+#endif /* __CPU_AT32AP_ATMEL_MCI_H__ */
diff --git a/cpu/at32ap/cpu.c b/cpu/at32ap/cpu.c
index 37e3ea040b..311466b781 100644
--- a/cpu/at32ap/cpu.c
+++ b/cpu/at32ap/cpu.c
@@ -26,33 +26,79 @@
 #include <asm/sections.h>
 #include <asm/sysreg.h>
 
+#include <asm/arch/clk.h>
 #include <asm/arch/memory-map.h>
-#include <asm/arch/platform.h>
 
 #include "hsmc3.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;
 
+static void pm_init(void)
+{
+	uint32_t cksel;
+
+#ifdef CONFIG_PLL
+	/* Initialize the PLL */
+	sm_writel(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(PM_ISR) & SM_BIT(LOCK0))) ;
+#endif
+
+	/* Set up clocks for the CPU and all peripheral buses */
+	cksel = 0;
+	if (CFG_CLKDIV_CPU)
+		cksel |= SM_BIT(CPUDIV) | SM_BF(CPUSEL, CFG_CLKDIV_CPU - 1);
+	if (CFG_CLKDIV_HSB)
+		cksel |= SM_BIT(HSBDIV) | SM_BF(HSBSEL, CFG_CLKDIV_HSB - 1);
+	if (CFG_CLKDIV_PBA)
+		cksel |= SM_BIT(PBADIV) | SM_BF(PBASEL, CFG_CLKDIV_PBA - 1);
+	if (CFG_CLKDIV_PBB)
+		cksel |= SM_BIT(PBBDIV) | SM_BF(PBBSEL, CFG_CLKDIV_PBB - 1);
+	sm_writel(PM_CKSEL, cksel);
+
+	gd->cpu_hz = get_cpu_clk_rate();
+
+#ifdef CONFIG_PLL
+	/* Use PLL0 as main clock */
+	sm_writel(PM_MCCTRL, SM_BIT(PLLSEL));
+#endif
+}
+
 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);
+	/* TODO: Move somewhere else, but needs to be run before we
+	 * increase the clock frequency. */
+	hsmc3_writel(MODE0, 0x00031103);
+	hsmc3_writel(CYCLE0, 0x000c000d);
+	hsmc3_writel(PULSE0, 0x0b0a0906);
+	hsmc3_writel(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);
diff --git a/cpu/at32ap/device.c b/cpu/at32ap/device.c
deleted file mode 100644
index 89914b6b56..0000000000
--- a/cpu/at32ap/device.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * 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
index b52d798be3..a6fc68867a 100644
--- a/cpu/at32ap/entry.S
+++ b/cpu/at32ap/entry.S
@@ -42,8 +42,7 @@ timer_interrupt_handler:
 	 * 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)
+	lda.w	r8, timer_overflow
 	ld.w	r9, r8[0]
 	mov	r10, -1
 	mtsr	SYSREG_COMPARE, r10
diff --git a/cpu/at32ap/exception.c b/cpu/at32ap/exception.c
index 4123c44616..0672685cd0 100644
--- a/cpu/at32ap/exception.c
+++ b/cpu/at32ap/exception.c
@@ -24,6 +24,8 @@
 #include <asm/sysreg.h>
 #include <asm/ptrace.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 static const char * const cpu_modes[8] = {
 	"Application", "Supervisor", "Interrupt level 0", "Interrupt level 1",
 	"Interrupt level 2", "Interrupt level 3", "Exception", "NMI"
@@ -109,11 +111,10 @@ void do_unknown_exception(unsigned int ecr, struct pt_regs *regs)
 	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))
+	if (regs->sp < CFG_SDRAM_BASE || regs->sp >= gd->stack_end)
 		printf("\nStack pointer seems bogus, won't do stack dump\n");
 	else
-		dump_mem("\nStack: ", regs->sp, CFG_INIT_SP_ADDR);
+		dump_mem("\nStack: ", regs->sp, gd->stack_end);
 
 	panic("Unhandled exception\n");
 }
diff --git a/cpu/at32ap/hsdramc.c b/cpu/at32ap/hsdramc.c
index f36da35452..a936e03166 100644
--- a/cpu/at32ap/hsdramc.c
+++ b/cpu/at32ap/hsdramc.c
@@ -25,17 +25,11 @@
 #include <asm/io.h>
 #include <asm/sdram.h>
 
-#include <asm/arch/platform.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/memory-map.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);
@@ -44,16 +38,6 @@ unsigned long sdram_init(const struct sdram_info *info)
 	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)
@@ -74,7 +58,7 @@ unsigned long sdram_init(const struct sdram_info *info)
 			   + info->bank_bits + 2);
 #endif
 
-	hsdramc1_writel(&hsdramc, CR, tmp);
+	hsdramc1_writel(CR, tmp);
 
 	/*
 	 * Initialization sequence for SDRAM, from the data sheet:
@@ -87,15 +71,15 @@ unsigned long sdram_init(const struct sdram_info *info)
 	/*
 	 * 2. A Precharge All command is issued to the SDRAM
 	 */
-	hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_BANKS_PRECHARGE);
-	hsdramc1_readl(&hsdramc, MR);
+	hsdramc1_writel(MR, HSDRAMC1_MODE_BANKS_PRECHARGE);
+	hsdramc1_readl(MR);
 	writel(0, sdram);
 
 	/*
 	 * 3. Eight auto-refresh (CBR) cycles are provided
 	 */
-	hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_AUTO_REFRESH);
-	hsdramc1_readl(&hsdramc, MR);
+	hsdramc1_writel(MR, HSDRAMC1_MODE_AUTO_REFRESH);
+	hsdramc1_readl(MR);
 	for (i = 0; i < 8; i++)
 		writel(0, sdram);
 
@@ -106,8 +90,8 @@ unsigned long sdram_init(const struct sdram_info *info)
 	 *
 	 * CAS from info struct, burst length 1, serial burst type
 	 */
-	hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_LOAD_MODE);
-	hsdramc1_readl(&hsdramc, MR);
+	hsdramc1_writel(MR, HSDRAMC1_MODE_LOAD_MODE);
+	hsdramc1_readl(MR);
 	writel(0, sdram + (info->cas << 4));
 
 	/*
@@ -117,9 +101,9 @@ unsigned long sdram_init(const struct sdram_info *info)
 	 * 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);
+	hsdramc1_readl(MR);
+	hsdramc1_writel(MR, HSDRAMC1_MODE_NORMAL);
+	hsdramc1_readl(MR);
 	writel(0, sdram);
 
 	/*
@@ -128,7 +112,8 @@ unsigned long sdram_init(const struct sdram_info *info)
 	 *
 	 * 15.6 us is a typical value for a burst of length one
 	 */
-	hsdramc1_writel(&hsdramc, TR, (156 * (bus_hz / 1000)) / 10000);
+	bus_hz = get_sdram_clk_rate();
+	hsdramc1_writel(TR, (156 * (bus_hz / 1000)) / 10000);
 
 	printf("SDRAM: %u MB at address 0x%08lx\n",
 	       sdram_size >> 20, info->phys_addr);
diff --git a/cpu/at32ap/hsdramc1.h b/cpu/at32ap/hsdramc1.h
index ce229bca1f..305d2cb5d3 100644
--- a/cpu/at32ap/hsdramc1.h
+++ b/cpu/at32ap/hsdramc1.h
@@ -135,9 +135,9 @@
 	 | 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)
+#define hsdramc1_readl(reg)					\
+	readl((void *)HSDRAMC_BASE + HSDRAMC1_##reg)
+#define hsdramc1_writel(reg,value)				\
+	writel((value), (void *)HSDRAMC_BASE + HSDRAMC1_##reg)
 
 #endif /* __ASM_AVR32_HSDRAMC1_H__ */
diff --git a/cpu/at32ap/hsmc3.h b/cpu/at32ap/hsmc3.h
index ec78cee714..ca533b922e 100644
--- a/cpu/at32ap/hsmc3.h
+++ b/cpu/at32ap/hsmc3.h
@@ -118,9 +118,9 @@
 	 | 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)
+#define hsmc3_readl(reg)					\
+	readl((void *)HSMC_BASE + HSMC3_##reg)
+#define hsmc3_writel(reg,value)					\
+	writel((value), (void *)HSMC_BASE + HSMC3_##reg)
 
 #endif /* __CPU_AT32AP_HSMC3_H__ */
diff --git a/cpu/at32ap/interrupts.c b/cpu/at32ap/interrupts.c
index d720cfa942..c9e04993c7 100644
--- a/cpu/at32ap/interrupts.c
+++ b/cpu/at32ap/interrupts.c
@@ -27,7 +27,7 @@
 #include <asm/processor.h>
 #include <asm/sysreg.h>
 
-#include <asm/arch/platform.h>
+#include <asm/arch/memory-map.h>
 
 #define HANDLER_MASK	0x00ffffff
 #define INTLEV_SHIFT	30
@@ -44,8 +44,6 @@ volatile unsigned long timer_overflow;
  */
 static unsigned long tb_factor;
 
-static const struct device *intc_dev;
-
 unsigned long get_tbclk(void)
 {
 	return gd->cpu_hz;
@@ -117,16 +115,19 @@ void udelay(unsigned long usec)
 static int set_interrupt_handler(unsigned int nr, void (*handler)(void),
 				 unsigned int priority)
 {
+	extern void _evba(void);
 	unsigned long intpr;
 	unsigned long handler_addr = (unsigned long)handler;
 
+	handler_addr -= (unsigned long)&_evba;
+
 	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);
+	writel(intpr, (void *)INTC_BASE + 4 * nr);
 
 	return 0;
 }
@@ -143,10 +144,7 @@ void timer_init(void)
 	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))
+	if (set_interrupt_handler(0, &timer_interrupt_handler, 3))
 		return;
 
 	/* For all practical purposes, this gives us an overflow interrupt */
diff --git a/cpu/at32ap/pio.c b/cpu/at32ap/pio.c
index 8b6c3a35df..9ba0b8ea8b 100644
--- a/cpu/at32ap/pio.c
+++ b/cpu/at32ap/pio.c
@@ -21,74 +21,40 @@
  */
 #include <common.h>
 
-#include <asm/errno.h>
 #include <asm/io.h>
-#include <asm/arch/platform.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/memory-map.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)
+void gpio_select_periph_A(unsigned int pin, int use_pullup)
 {
-	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 *base = gpio_pin_to_addr(pin);
+	uint32_t mask = 1 << (pin & 0x1f);
+
+	if (!base)
+		panic("Invalid GPIO pin %u\n", pin);
+
+	pio2_writel(base, ASR, mask);
+	pio2_writel(base, PDR, mask);
+	if (use_pullup)
+		pio2_writel(base, PUER, mask);
+	else
+		pio2_writel(base, PUDR, mask);
 }
 
-void gpio_free(enum device_id gpio_devid, unsigned int start,
-	       unsigned int nr_pins)
+void gpio_select_periph_B(unsigned int pin, int use_pullup)
 {
-	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);
+	void *base = gpio_pin_to_addr(pin);
+	uint32_t mask = 1 << (pin & 0x1f);
+
+	if (!base)
+		panic("Invalid GPIO pin %u\n", pin);
+
+	pio2_writel(base, BSR, mask);
+	pio2_writel(base, PDR, mask);
+	if (use_pullup)
+		pio2_writel(base, PUER, mask);
+	else
+		pio2_writel(base, PUDR, mask);
 }
diff --git a/cpu/at32ap/pio2.h b/cpu/at32ap/pio2.h
index 6b79de3c72..9719ea8c43 100644
--- a/cpu/at32ap/pio2.h
+++ b/cpu/at32ap/pio2.h
@@ -36,9 +36,9 @@
 #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)
+#define pio2_readl(base,reg)				\
+	readl((void *)base + PIO2_##reg)
+#define pio2_writel(base,reg,value)			\
+	writel((value), (void *)base + PIO2_##reg)
 
 #endif /* __CPU_AT32AP_PIO2_H__ */
diff --git a/cpu/at32ap/pm.c b/cpu/at32ap/pm.c
index 01ac325ee8..c78d547f85 100644
--- a/cpu/at32ap/pm.c
+++ b/cpu/at32ap/pm.c
@@ -26,138 +26,17 @@
 #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))) ;
+#define MAIN_CLK_RATE ((CFG_OSC0_HZ / CFG_PLL0_DIV) * CFG_PLL0_MUL)
 #else
-	main_clock = CFG_OSC0_HZ;
+#define MAIN_CLK_RATE (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;
+DECLARE_GLOBAL_DATA_PTR;
 
-#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
index ce81ef0a46..6492c8e81d 100644
--- a/cpu/at32ap/sm.h
+++ b/cpu/at32ap/sm.h
@@ -196,9 +196,9 @@
 	 | 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)
+#define sm_readl(reg)					\
+	readl((void *)SM_BASE + SM_##reg)
+#define sm_writel(reg,value)				\
+	writel((value), (void *)SM_BASE + SM_##reg)
 
 #endif /* __CPU_AT32AP_SM_H__ */
diff --git a/cpu/at32ap/start.S b/cpu/at32ap/start.S
index 79ee33b1fa..ab8c2b73d8 100644
--- a/cpu/at32ap/start.S
+++ b/cpu/at32ap/start.S
@@ -70,32 +70,12 @@ _start:
 
 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]
+
+	/* Let's go */
+	rjmp	board_init_f
 
 	.align	2
 	.type	sp_init,@object
@@ -103,11 +83,82 @@ 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
+
+	/*
+	 * void	relocate_code(new_sp, new_gd, monitor_addr)
+	 *
+	 * Relocate the u-boot image into RAM and continue from there.
+	 * Does not return.
+	 */
+	.global	relocate_code
+	.type	relocate_code,@function
+relocate_code:
+	mov	sp, r12		/* use new stack */
+	mov	r12, r11	/* save new_gd */
+	mov	r11, r10	/* save destination address */
+
+	/* copy .text section and flush the cache along the way */
+	lda.w	r8, _text
+	lda.w	r9, _etext
+	sub	lr, r10, r8	/* relocation offset */
+
+1:	ldm	r8++, r0-r3
+	stm	r10, r0-r3
+	sub	r10, -16
+	ldm	r8++, r0-r3
+	stm	r10, r0-r3
+	sub	r10, -16
+	cp.w	r8, r9
+	cache	r10[-4], 0x0d	/* dcache clean/invalidate */
+	cache	r10[-4], 0x01	/* icache invalidate */
+	brlt	1b
+
+	/* flush write buffer */
+	sync	0
+
+	/* copy data sections */
+	lda.w	r9, _edata
+1:	ld.d	r0, r8++
+	st.d	r10++, r0
+	cp.w	r8, r9
+	brlt	1b
+
+	/* zero out .bss */
+	mov	r0, 0
+	mov	r1, 0
+	lda.w	r9, _end
+	sub	r9, r8
+1:	st.d	r10++, r0
+	sub	r9, 8
+	brgt	1b
+
+	/* jump to RAM */
+	sub	r0, pc, . - in_ram
+	add	pc, r0, lr
+
+	.align	2
+in_ram:
+	/* find the new GOT and relocate it */
+	lddpc	r6, got_init_reloc
+3:	rsub	r6, pc
+	mov	r8, r6
+	lda.w	r9, _egot
+	lda.w	r10, _got
+	sub	r9, r10
+1:	ld.w	r0, r8[0]
+	add	r0, lr
+	st.w	r8++, r0
+	sub	r9, 4
+	brgt	1b
+
+	/* Move the exception handlers */
+	mfsr	r2, SYSREG_EVBA
+	add	r2, lr
+	mtsr	SYSREG_EVBA, r2
+
+	/* Do the rest of the initialization sequence */
+	call	board_init_r
+
+	.align	2
+got_init_reloc:
+	.long	3b - _GLOBAL_OFFSET_TABLE_