Merge branch 'master' of git://git.denx.de/u-boot-avr32

12 files changed, 576 insertions, 220 deletions

diff --git a/include/asm-avr32/addrspace.h b/include/asm-avr32/arch-at32ap700x/addrspace.h
index b2ba1ee..409eee3 100644
--- a/include/asm-avr32/addrspace.h
+++ b/include/asm-avr32/arch-at32ap700x/addrspace.h
@@ -22,6 +22,8 @@
 #ifndef __ASM_AVR32_ADDRSPACE_H
 #define __ASM_AVR32_ADDRSPACE_H
 
+#include <asm/types.h>
+
 /* Memory segments when segmentation is enabled */
 #define P0SEG		0x00000000
 #define P1SEG		0x80000000
@@ -43,4 +45,40 @@
 #define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG))
 #define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG))
 
+/* virt_to_phys will only work when address is in P1 or P2 */
+static inline unsigned long virt_to_phys(volatile void *address)
+{
+	return PHYSADDR(address);
+}
+
+static inline void * phys_to_virt(unsigned long address)
+{
+	return (void *)P1SEGADDR(address);
+}
+
+#define cached(addr) ((void *)P1SEGADDR(addr))
+#define uncached(addr) ((void *)P2SEGADDR(addr))
+
+/*
+ * Given a physical address and a length, return a virtual address
+ * that can be used to access the memory range with the caching
+ * properties specified by "flags".
+ *
+ * This implementation works for memory below 512MiB (flash, etc.) as
+ * well as above 3.5GiB (internal peripherals.)
+ */
+#define MAP_NOCACHE	(0)
+#define MAP_WRCOMBINE	(1 << 7)
+#define MAP_WRBACK	(MAP_WRCOMBINE | (1 << 9))
+#define MAP_WRTHROUGH	(MAP_WRBACK | (1 << 0))
+
+static inline void *
+map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
+{
+	if (flags == MAP_WRBACK)
+		return (void *)P1SEGADDR(paddr);
+	else
+		return (void *)P2SEGADDR(paddr);
+}
+
 #endif /* __ASM_AVR32_ADDRSPACE_H */
diff --git a/include/asm-avr32/cacheflush.h b/include/asm-avr32/arch-at32ap700x/cacheflush.h
index 929f68e..929f68e 100644
--- a/include/asm-avr32/cacheflush.h
+++ b/include/asm-avr32/arch-at32ap700x/cacheflush.h
diff --git a/include/asm-avr32/arch-at32ap700x/clk.h b/include/asm-avr32/arch-at32ap700x/clk.h
index 7817572..d83e93b 100644
--- a/include/asm-avr32/arch-at32ap700x/clk.h
+++ b/include/asm-avr32/arch-at32ap700x/clk.h
@@ -23,11 +23,14 @@
 #define __ASM_AVR32_ARCH_CLK_H__
 
 #include <asm/arch/chip-features.h>
+#include <asm/arch/portmux.h>
 
 #ifdef CONFIG_PLL
-#define MAIN_CLK_RATE ((CONFIG_SYS_OSC0_HZ / CONFIG_SYS_PLL0_DIV) * CONFIG_SYS_PLL0_MUL)
+#define PLL0_RATE	((CONFIG_SYS_OSC0_HZ / CONFIG_SYS_PLL0_DIV)	\
+				* CONFIG_SYS_PLL0_MUL)
+#define MAIN_CLK_RATE	PLL0_RATE
 #else
-#define MAIN_CLK_RATE (CONFIG_SYS_OSC0_HZ)
+#define MAIN_CLK_RATE	(CONFIG_SYS_OSC0_HZ)
 #endif
 
 static inline unsigned long get_cpu_clk_rate(void)
@@ -82,9 +85,101 @@ static inline unsigned long get_spi_clk_rate(unsigned int dev_id)
 #endif
 
 extern void clk_init(void);
-extern void gclk_init(void) __attribute__((weak));
 
 /* Board code may need the SDRAM base clock as a compile-time constant */
 #define SDRAMC_BUS_HZ	(MAIN_CLK_RATE >> CONFIG_SYS_CLKDIV_HSB)
 
+/* Generic clock control */
+enum gclk_parent {
+	GCLK_PARENT_OSC0 = 0,
+	GCLK_PARENT_OSC1 = 1,
+	GCLK_PARENT_PLL0 = 2,
+	GCLK_PARENT_PLL1 = 3,
+};
+
+/* Some generic clocks have specific roles */
+#define GCLK_DAC_SAMPLE_CLK	6
+#define GCLK_LCDC_PIXCLK	7
+
+extern unsigned long __gclk_set_rate(unsigned int id, enum gclk_parent parent,
+		unsigned long rate, unsigned long parent_rate);
+
+/**
+ * gclk_set_rate - configure and enable a generic clock
+ * @id: Which GCLK[id] to enable
+ * @parent: Parent clock feeding the GCLK
+ * @rate: Target rate of the GCLK in Hz
+ *
+ * Returns the actual GCLK rate in Hz, after rounding to the nearest
+ * supported rate.
+ *
+ * All three parameters are usually constant, hence the inline.
+ */
+static inline unsigned long gclk_set_rate(unsigned int id,
+		enum gclk_parent parent, unsigned long rate)
+{
+	unsigned long parent_rate;
+
+	if (id > 7)
+		return 0;
+
+	switch (parent) {
+	case GCLK_PARENT_OSC0:
+		parent_rate = CONFIG_SYS_OSC0_HZ;
+		break;
+#ifdef CONFIG_SYS_OSC1_HZ
+	case GCLK_PARENT_OSC1:
+		parent_rate = CONFIG_SYS_OSC1_HZ;
+		break;
+#endif
+#ifdef PLL0_RATE
+	case GCLK_PARENT_PLL0:
+		parent_rate = PLL0_RATE;
+		break;
+#endif
+#ifdef PLL1_RATE
+	case GCLK_PARENT_PLL1:
+		parent_rate = PLL1_RATE;
+		break;
+#endif
+	default:
+		parent_rate = 0;
+		break;
+	}
+
+	return __gclk_set_rate(id, parent, rate, parent_rate);
+}
+
+/**
+ * gclk_enable_output - enable output on a GCLK pin
+ * @id: Which GCLK[id] pin to enable
+ * @drive_strength: Drive strength of external GCLK pin, if applicable
+ */
+static inline void gclk_enable_output(unsigned int id,
+		unsigned long drive_strength)
+{
+	switch (id) {
+	case 0:
+		portmux_select_peripheral(PORTMUX_PORT_A, 1 << 30,
+				PORTMUX_FUNC_A, drive_strength);
+		break;
+	case 1:
+		portmux_select_peripheral(PORTMUX_PORT_A, 1 << 31,
+				PORTMUX_FUNC_A, drive_strength);
+		break;
+	case 2:
+		portmux_select_peripheral(PORTMUX_PORT_B, 1 << 19,
+				PORTMUX_FUNC_A, drive_strength);
+		break;
+	case 3:
+		portmux_select_peripheral(PORTMUX_PORT_B, 1 << 29,
+				PORTMUX_FUNC_A, drive_strength);
+		break;
+	case 4:
+		portmux_select_peripheral(PORTMUX_PORT_B, 1 << 30,
+				PORTMUX_FUNC_A, drive_strength);
+		break;
+	}
+}
+
 #endif /* __ASM_AVR32_ARCH_CLK_H__ */
diff --git a/include/asm-avr32/arch-at32ap700x/gpio-impl.h b/include/asm-avr32/arch-at32ap700x/gpio-impl.h
new file mode 100644
index 0000000..8801bd0
--- /dev/null
+++ b/include/asm-avr32/arch-at32ap700x/gpio-impl.h
@@ -0,0 +1,86 @@
+#ifndef __ASM_AVR32_ARCH_GPIO_IMPL_H__
+#define __ASM_AVR32_ARCH_GPIO_IMPL_H__
+
+/* Register offsets */
+struct gpio_regs {
+	u32	GPER;
+	u32	GPERS;
+	u32	GPERC;
+	u32	GPERT;
+	u32	PMR0;
+	u32	PMR0S;
+	u32	PMR0C;
+	u32	PMR0T;
+	u32	PMR1;
+	u32	PMR1S;
+	u32	PMR1C;
+	u32	PMR1T;
+	u32	__reserved0[4];
+	u32	ODER;
+	u32	ODERS;
+	u32	ODERC;
+	u32	ODERT;
+	u32	OVR;
+	u32	OVRS;
+	u32	OVRC;
+	u32	OVRT;
+	u32	PVR;
+	u32	__reserved_PVRS;
+	u32	__reserved_PVRC;
+	u32	__reserved_PVRT;
+	u32	PUER;
+	u32	PUERS;
+	u32	PUERC;
+	u32	PUERT;
+	u32	PDER;
+	u32	PDERS;
+	u32	PDERC;
+	u32	PDERT;
+	u32	IER;
+	u32	IERS;
+	u32	IERC;
+	u32	IERT;
+	u32	IMR0;
+	u32	IMR0S;
+	u32	IMR0C;
+	u32	IMR0T;
+	u32	IMR1;
+	u32	IMR1S;
+	u32	IMR1C;
+	u32	IMR1T;
+	u32	GFER;
+	u32	GFERS;
+	u32	GFERC;
+	u32	GFERT;
+	u32	IFR;
+	u32	__reserved_IFRS;
+	u32	IFRC;
+	u32	__reserved_IFRT;
+	u32	ODMER;
+	u32	ODMERS;
+	u32	ODMERC;
+	u32	ODMERT;
+	u32	__reserved1[4];
+	u32	ODCR0;
+	u32	ODCR0S;
+	u32	ODCR0C;
+	u32	ODCR0T;
+	u32	ODCR1;
+	u32	ODCR1S;
+	u32	ODCR1C;
+	u32	ODCR1T;
+	u32	__reserved2[4];
+	u32	OSRR0;
+	u32	OSRR0S;
+	u32	OSRR0C;
+	u32	OSRR0T;
+	u32	__reserved3[8];
+	u32	STER;
+	u32	STERS;
+	u32	STERC;
+	u32	STERT;
+	u32	__reserved4[35];
+	u32	VERSION;
+};
+
+#endif /* __ASM_AVR32_ARCH_GPIO_IMPL_H__ */
diff --git a/include/asm-avr32/arch-at32ap700x/gpio.h b/include/asm-avr32/arch-at32ap700x/gpio.h
index 8c922c7..303e353 100644
--- a/include/asm-avr32/arch-at32ap700x/gpio.h
+++ b/include/asm-avr32/arch-at32ap700x/gpio.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Atmel Corporation
+ * Copyright (C) 2006, 2008 Atmel Corporation
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -31,161 +31,17 @@
  * Pin numbers identifying specific GPIO pins on the chip.
  */
 #define GPIO_PIOA_BASE	(0)
-#define GPIO_PIN_PA0	(GPIO_PIOA_BASE +  0)
-#define GPIO_PIN_PA1	(GPIO_PIOA_BASE +  1)
-#define GPIO_PIN_PA2	(GPIO_PIOA_BASE +  2)
-#define GPIO_PIN_PA3	(GPIO_PIOA_BASE +  3)
-#define GPIO_PIN_PA4	(GPIO_PIOA_BASE +  4)
-#define GPIO_PIN_PA5	(GPIO_PIOA_BASE +  5)
-#define GPIO_PIN_PA6	(GPIO_PIOA_BASE +  6)
-#define GPIO_PIN_PA7	(GPIO_PIOA_BASE +  7)
-#define GPIO_PIN_PA8	(GPIO_PIOA_BASE +  8)
-#define GPIO_PIN_PA9	(GPIO_PIOA_BASE +  9)
-#define GPIO_PIN_PA10	(GPIO_PIOA_BASE + 10)
-#define GPIO_PIN_PA11	(GPIO_PIOA_BASE + 11)
-#define GPIO_PIN_PA12	(GPIO_PIOA_BASE + 12)
-#define GPIO_PIN_PA13	(GPIO_PIOA_BASE + 13)
-#define GPIO_PIN_PA14	(GPIO_PIOA_BASE + 14)
-#define GPIO_PIN_PA15	(GPIO_PIOA_BASE + 15)
-#define GPIO_PIN_PA16	(GPIO_PIOA_BASE + 16)
-#define GPIO_PIN_PA17	(GPIO_PIOA_BASE + 17)
-#define GPIO_PIN_PA18	(GPIO_PIOA_BASE + 18)
-#define GPIO_PIN_PA19	(GPIO_PIOA_BASE + 19)
-#define GPIO_PIN_PA20	(GPIO_PIOA_BASE + 20)
-#define GPIO_PIN_PA21	(GPIO_PIOA_BASE + 21)
-#define GPIO_PIN_PA22	(GPIO_PIOA_BASE + 22)
-#define GPIO_PIN_PA23	(GPIO_PIOA_BASE + 23)
-#define GPIO_PIN_PA24	(GPIO_PIOA_BASE + 24)
-#define GPIO_PIN_PA25	(GPIO_PIOA_BASE + 25)
-#define GPIO_PIN_PA26	(GPIO_PIOA_BASE + 26)
-#define GPIO_PIN_PA27	(GPIO_PIOA_BASE + 27)
-#define GPIO_PIN_PA28	(GPIO_PIOA_BASE + 28)
-#define GPIO_PIN_PA29	(GPIO_PIOA_BASE + 29)
-#define GPIO_PIN_PA30	(GPIO_PIOA_BASE + 30)
-#define GPIO_PIN_PA31	(GPIO_PIOA_BASE + 31)
-
 #define GPIO_PIOB_BASE	(GPIO_PIOA_BASE + 32)
-#define GPIO_PIN_PB0	(GPIO_PIOB_BASE +  0)
-#define GPIO_PIN_PB1	(GPIO_PIOB_BASE +  1)
-#define GPIO_PIN_PB2	(GPIO_PIOB_BASE +  2)
-#define GPIO_PIN_PB3	(GPIO_PIOB_BASE +  3)
-#define GPIO_PIN_PB4	(GPIO_PIOB_BASE +  4)
-#define GPIO_PIN_PB5	(GPIO_PIOB_BASE +  5)
-#define GPIO_PIN_PB6	(GPIO_PIOB_BASE +  6)
-#define GPIO_PIN_PB7	(GPIO_PIOB_BASE +  7)
-#define GPIO_PIN_PB8	(GPIO_PIOB_BASE +  8)
-#define GPIO_PIN_PB9	(GPIO_PIOB_BASE +  9)
-#define GPIO_PIN_PB10	(GPIO_PIOB_BASE + 10)
-#define GPIO_PIN_PB11	(GPIO_PIOB_BASE + 11)
-#define GPIO_PIN_PB12	(GPIO_PIOB_BASE + 12)
-#define GPIO_PIN_PB13	(GPIO_PIOB_BASE + 13)
-#define GPIO_PIN_PB14	(GPIO_PIOB_BASE + 14)
-#define GPIO_PIN_PB15	(GPIO_PIOB_BASE + 15)
-#define GPIO_PIN_PB16	(GPIO_PIOB_BASE + 16)
-#define GPIO_PIN_PB17	(GPIO_PIOB_BASE + 17)
-#define GPIO_PIN_PB18	(GPIO_PIOB_BASE + 18)
-#define GPIO_PIN_PB19	(GPIO_PIOB_BASE + 19)
-#define GPIO_PIN_PB20	(GPIO_PIOB_BASE + 20)
-#define GPIO_PIN_PB21	(GPIO_PIOB_BASE + 21)
-#define GPIO_PIN_PB22	(GPIO_PIOB_BASE + 22)
-#define GPIO_PIN_PB23	(GPIO_PIOB_BASE + 23)
-#define GPIO_PIN_PB24	(GPIO_PIOB_BASE + 24)
-#define GPIO_PIN_PB25	(GPIO_PIOB_BASE + 25)
-#define GPIO_PIN_PB26	(GPIO_PIOB_BASE + 26)
-#define GPIO_PIN_PB27	(GPIO_PIOB_BASE + 27)
-#define GPIO_PIN_PB28	(GPIO_PIOB_BASE + 28)
-#define GPIO_PIN_PB29	(GPIO_PIOB_BASE + 29)
-#define GPIO_PIN_PB30	(GPIO_PIOB_BASE + 30)
-
 #define GPIO_PIOC_BASE	(GPIO_PIOB_BASE + 32)
-#define GPIO_PIN_PC0	(GPIO_PIOC_BASE +  0)
-#define GPIO_PIN_PC1	(GPIO_PIOC_BASE +  1)
-#define GPIO_PIN_PC2	(GPIO_PIOC_BASE +  2)
-#define GPIO_PIN_PC3	(GPIO_PIOC_BASE +  3)
-#define GPIO_PIN_PC4	(GPIO_PIOC_BASE +  4)
-#define GPIO_PIN_PC5	(GPIO_PIOC_BASE +  5)
-#define GPIO_PIN_PC6	(GPIO_PIOC_BASE +  6)
-#define GPIO_PIN_PC7	(GPIO_PIOC_BASE +  7)
-#define GPIO_PIN_PC8	(GPIO_PIOC_BASE +  8)
-#define GPIO_PIN_PC9	(GPIO_PIOC_BASE +  9)
-#define GPIO_PIN_PC10	(GPIO_PIOC_BASE + 10)
-#define GPIO_PIN_PC11	(GPIO_PIOC_BASE + 11)
-#define GPIO_PIN_PC12	(GPIO_PIOC_BASE + 12)
-#define GPIO_PIN_PC13	(GPIO_PIOC_BASE + 13)
-#define GPIO_PIN_PC14	(GPIO_PIOC_BASE + 14)
-#define GPIO_PIN_PC15	(GPIO_PIOC_BASE + 15)
-#define GPIO_PIN_PC16	(GPIO_PIOC_BASE + 16)
-#define GPIO_PIN_PC17	(GPIO_PIOC_BASE + 17)
-#define GPIO_PIN_PC18	(GPIO_PIOC_BASE + 18)
-#define GPIO_PIN_PC19	(GPIO_PIOC_BASE + 19)
-#define GPIO_PIN_PC20	(GPIO_PIOC_BASE + 20)
-#define GPIO_PIN_PC21	(GPIO_PIOC_BASE + 21)
-#define GPIO_PIN_PC22	(GPIO_PIOC_BASE + 22)
-#define GPIO_PIN_PC23	(GPIO_PIOC_BASE + 23)
-#define GPIO_PIN_PC24	(GPIO_PIOC_BASE + 24)
-#define GPIO_PIN_PC25	(GPIO_PIOC_BASE + 25)
-#define GPIO_PIN_PC26	(GPIO_PIOC_BASE + 26)
-#define GPIO_PIN_PC27	(GPIO_PIOC_BASE + 27)
-#define GPIO_PIN_PC28	(GPIO_PIOC_BASE + 28)
-#define GPIO_PIN_PC29	(GPIO_PIOC_BASE + 29)
-#define GPIO_PIN_PC30	(GPIO_PIOC_BASE + 30)
-#define GPIO_PIN_PC31	(GPIO_PIOC_BASE + 31)
-
 #define GPIO_PIOD_BASE	(GPIO_PIOC_BASE + 32)
-#define GPIO_PIN_PD0	(GPIO_PIOD_BASE +  0)
-#define GPIO_PIN_PD1	(GPIO_PIOD_BASE +  1)
-#define GPIO_PIN_PD2	(GPIO_PIOD_BASE +  2)
-#define GPIO_PIN_PD3	(GPIO_PIOD_BASE +  3)
-#define GPIO_PIN_PD4	(GPIO_PIOD_BASE +  4)
-#define GPIO_PIN_PD5	(GPIO_PIOD_BASE +  5)
-#define GPIO_PIN_PD6	(GPIO_PIOD_BASE +  6)
-#define GPIO_PIN_PD7	(GPIO_PIOD_BASE +  7)
-#define GPIO_PIN_PD8	(GPIO_PIOD_BASE +  8)
-#define GPIO_PIN_PD9	(GPIO_PIOD_BASE +  9)
-#define GPIO_PIN_PD10	(GPIO_PIOD_BASE + 10)
-#define GPIO_PIN_PD11	(GPIO_PIOD_BASE + 11)
-#define GPIO_PIN_PD12	(GPIO_PIOD_BASE + 12)
-#define GPIO_PIN_PD13	(GPIO_PIOD_BASE + 13)
-#define GPIO_PIN_PD14	(GPIO_PIOD_BASE + 14)
-#define GPIO_PIN_PD15	(GPIO_PIOD_BASE + 15)
-#define GPIO_PIN_PD16	(GPIO_PIOD_BASE + 16)
-#define GPIO_PIN_PD17	(GPIO_PIOD_BASE + 17)
-
 #define GPIO_PIOE_BASE	(GPIO_PIOD_BASE + 32)
-#define GPIO_PIN_PE0	(GPIO_PIOE_BASE +  0)
-#define GPIO_PIN_PE1	(GPIO_PIOE_BASE +  1)
-#define GPIO_PIN_PE2	(GPIO_PIOE_BASE +  2)
-#define GPIO_PIN_PE3	(GPIO_PIOE_BASE +  3)
-#define GPIO_PIN_PE4	(GPIO_PIOE_BASE +  4)
-#define GPIO_PIN_PE5	(GPIO_PIOE_BASE +  5)
-#define GPIO_PIN_PE6	(GPIO_PIOE_BASE +  6)
-#define GPIO_PIN_PE7	(GPIO_PIOE_BASE +  7)
-#define GPIO_PIN_PE8	(GPIO_PIOE_BASE +  8)
-#define GPIO_PIN_PE9	(GPIO_PIOE_BASE +  9)
-#define GPIO_PIN_PE10	(GPIO_PIOE_BASE + 10)
-#define GPIO_PIN_PE11	(GPIO_PIOE_BASE + 11)
-#define GPIO_PIN_PE12	(GPIO_PIOE_BASE + 12)
-#define GPIO_PIN_PE13	(GPIO_PIOE_BASE + 13)
-#define GPIO_PIN_PE14	(GPIO_PIOE_BASE + 14)
-#define GPIO_PIN_PE15	(GPIO_PIOE_BASE + 15)
-#define GPIO_PIN_PE16	(GPIO_PIOE_BASE + 16)
-#define GPIO_PIN_PE17	(GPIO_PIOE_BASE + 17)
-#define GPIO_PIN_PE18	(GPIO_PIOE_BASE + 18)
-#define GPIO_PIN_PE19	(GPIO_PIOE_BASE + 19)
-#define GPIO_PIN_PE20	(GPIO_PIOE_BASE + 20)
-#define GPIO_PIN_PE21	(GPIO_PIOE_BASE + 21)
-#define GPIO_PIN_PE22	(GPIO_PIOE_BASE + 22)
-#define GPIO_PIN_PE23	(GPIO_PIOE_BASE + 23)
-#define GPIO_PIN_PE24	(GPIO_PIOE_BASE + 24)
-#define GPIO_PIN_PE25	(GPIO_PIOE_BASE + 25)
-#define GPIO_PIN_PE26	(GPIO_PIOE_BASE + 26)
+#define GPIO_PIN_PA(x)	(GPIO_PIOA_BASE + (x))
+#define GPIO_PIN_PB(x)	(GPIO_PIOB_BASE + (x))
+#define GPIO_PIN_PC(x)	(GPIO_PIOC_BASE + (x))
+#define GPIO_PIN_PD(x)	(GPIO_PIOD_BASE + (x))
+#define GPIO_PIN_PE(x)	(GPIO_PIOE_BASE + (x))
 
-#define GPIOF_PULLUP	0x00000001	/* (not-OUT) Enable pull-up */
-#define GPIOF_OUTPUT	0x00000002	/* (OUT) Enable output driver */
-#define GPIOF_DEGLITCH	0x00000004	/* (IN) Filter glitches */
-#define GPIOF_MULTIDRV	0x00000008	/* Enable multidriver option */
-
-static inline void *gpio_pin_to_addr(unsigned int pin)
+static inline void *pio_pin_to_port(unsigned int pin)
 {
 	switch (pin >> 5) {
 	case 0:
@@ -203,30 +59,6 @@ static inline void *gpio_pin_to_addr(unsigned int pin)
 	}
 }
 
-void gpio_select_periph_A(unsigned int pin, int use_pullup);
-void gpio_select_periph_B(unsigned int pin, int use_pullup);
-void gpio_select_pio(unsigned int pin, unsigned long gpiof_flags);
-void gpio_set_value(unsigned int pin, int value);
-int gpio_get_value(unsigned int pin);
-
-void gpio_enable_ebi(void);
-
-#ifdef AT32AP700x_CHIP_HAS_USART
-void gpio_enable_usart0(void);
-void gpio_enable_usart1(void);
-void gpio_enable_usart2(void);
-void gpio_enable_usart3(void);
-#endif
-#ifdef AT32AP700x_CHIP_HAS_MACB
-void gpio_enable_macb0(void);
-void gpio_enable_macb1(void);
-#endif
-#ifdef AT32AP700x_CHIP_HAS_MMCI
-void gpio_enable_mmci(void);
-#endif
-#ifdef AT32AP700x_CHIP_HAS_SPI
-void gpio_enable_spi0(unsigned long cs_mask);
-void gpio_enable_spi1(unsigned long cs_mask);
-#endif
+#include <asm/arch-common/portmux-pio.h>
 
 #endif /* __ASM_AVR32_ARCH_GPIO_H__ */
diff --git a/include/asm-avr32/arch-at32ap700x/portmux.h b/include/asm-avr32/arch-at32ap700x/portmux.h
new file mode 100644
index 0000000..96fe70d
--- /dev/null
+++ b/include/asm-avr32/arch-at32ap700x/portmux.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2006, 2008 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 __ASM_AVR32_ARCH_PORTMUX_H__
+#define __ASM_AVR32_ARCH_PORTMUX_H__
+
+#include <asm/arch/gpio.h>
+
+#define PORTMUX_PORT_A		((void *)PIOA_BASE)
+#define PORTMUX_PORT_B		((void *)PIOB_BASE)
+#define PORTMUX_PORT_C		((void *)PIOC_BASE)
+#define PORTMUX_PORT_D		((void *)PIOD_BASE)
+#define PORTMUX_PORT_E		((void *)PIOE_BASE)
+
+void portmux_enable_ebi(unsigned int bus_width, unsigned int addr_width,
+		unsigned long flags, unsigned long drive_strength);
+
+#define PORTMUX_EBI_CS(x)	(1 << (x))
+#define PORTMUX_EBI_NAND	(1 << 6)
+#define PORTMUX_EBI_CF(x)	(1 << ((x) + 7))
+#define PORTMUX_EBI_NWAIT	(1 << 9)
+
+#ifdef AT32AP700x_CHIP_HAS_USART
+static inline void portmux_enable_usart0(unsigned long drive_strength)
+{
+	portmux_select_peripheral(PORTMUX_PORT_A, (1 << 8) | (1 << 9),
+			PORTMUX_FUNC_B, 0);
+}
+
+static inline void portmux_enable_usart1(unsigned long drive_strength)
+{
+	portmux_select_peripheral(PORTMUX_PORT_A, (1 << 17) | (1 << 18),
+			PORTMUX_FUNC_A, 0);
+}
+
+static inline void portmux_enable_usart2(unsigned long drive_strength)
+{
+	portmux_select_peripheral(PORTMUX_PORT_B, (1 << 26) | (1 << 27),
+			PORTMUX_FUNC_B, 0);
+}
+
+static inline void portmux_enable_usart3(unsigned long drive_strength)
+{
+	portmux_select_peripheral(PORTMUX_PORT_B, (1 << 17) | (1 << 18),
+			PORTMUX_FUNC_B, 0);
+}
+#endif
+#ifdef AT32AP700x_CHIP_HAS_MACB
+void portmux_enable_macb0(unsigned long flags, unsigned long drive_strength);
+void portmux_enable_macb1(unsigned long flags, unsigned long drive_strength);
+
+#define PORTMUX_MACB_RMII	(0)
+#define PORTMUX_MACB_MII	(1 << 0)
+#define PORTMUX_MACB_SPEED	(1 << 1)
+
+#endif
+#ifdef AT32AP700x_CHIP_HAS_MMCI
+void portmux_enable_mmci(unsigned int slot, unsigned long flags,
+		unsigned long drive_strength);
+
+#define PORTMUX_MMCI_4BIT	(1 << 0)
+#define PORTMUX_MMCI_8BIT	(PORTMUX_MMCI_4BIT | (1 << 1))
+#define PORTMUX_MMCI_EXT_PULLUP	(1 << 2)
+
+#endif
+#ifdef AT32AP700x_CHIP_HAS_SPI
+void portmux_enable_spi0(unsigned long cs_mask, unsigned long drive_strength);
+void portmux_enable_spi1(unsigned long cs_mask, unsigned long drive_strength);
+#endif
+
+#endif /* __ASM_AVR32_ARCH_PORTMUX_H__ */
diff --git a/include/asm-avr32/arch-common/portmux-gpio.h b/include/asm-avr32/arch-common/portmux-gpio.h
new file mode 100644
index 0000000..1306cbe
--- /dev/null
+++ b/include/asm-avr32/arch-common/portmux-gpio.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2008 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 __AVR32_PORTMUX_GPIO_H__
+#define __AVR32_PORTMUX_GPIO_H__
+
+#include <asm/io.h>
+
+/* Register layout for this specific device */
+#include <asm/arch/gpio-impl.h>
+
+/* Register access macros */
+#define gpio_readl(port, reg)						\
+	__raw_readl(&((struct gpio_regs *)port)->reg)
+#define gpio_writel(gpio, reg, value)					\
+	__raw_writel(value, &((struct gpio_regs *)port)->reg)
+
+/* Portmux API starts here. See doc/README.AVR32-port-muxing */
+
+enum portmux_function {
+	PORTMUX_FUNC_A,
+	PORTMUX_FUNC_B,
+	PORTMUX_FUNC_C,
+	PORTMUX_FUNC_D,
+};
+
+#define PORTMUX_DIR_INPUT	(0 << 0)
+#define PORTMUX_DIR_OUTPUT	(1 << 0)
+#define PORTMUX_INIT_LOW	(0 << 1)
+#define PORTMUX_INIT_HIGH	(1 << 1)
+#define PORTMUX_PULL_UP		(1 << 2)
+#define PORTMUX_PULL_DOWN	(2 << 2)
+#define PORTMUX_BUSKEEPER	(3 << 2)
+#define PORTMUX_DRIVE_MIN	(0 << 4)
+#define PORTMUX_DRIVE_LOW	(1 << 4)
+#define PORTMUX_DRIVE_HIGH	(2 << 4)
+#define PORTMUX_DRIVE_MAX	(3 << 4)
+#define PORTMUX_OPEN_DRAIN	(1 << 6)
+
+void portmux_select_peripheral(void *port, unsigned long pin_mask,
+		enum portmux_function func, unsigned long flags);
+void portmux_select_gpio(void *port, unsigned long pin_mask,
+		unsigned long flags);
+
+/* Internal helper functions */
+
+static inline void *gpio_pin_to_port(unsigned int pin)
+{
+	return (void *)GPIO_BASE + (pin >> 5) * 0x200;
+}
+
+static inline void __gpio_set_output_value(void *port, unsigned int pin,
+		int value)
+{
+	if (value)
+		gpio_writel(port, OVRS, 1 << pin);
+	else
+		gpio_writel(port, OVRC, 1 << pin);
+}
+
+static inline int __gpio_get_input_value(void *port, unsigned int pin)
+{
+	return (gpio_readl(port, PVR) >> pin) & 1;
+}
+
+void gpio_set_output_value(unsigned int pin, int value);
+int gpio_get_input_value(unsigned int pin);
+
+/* GPIO API starts here */
+
+/*
+ * GCC doesn't realize that the constant case is extremely trivial,
+ * so we need to help it make the right decision by using
+ * always_inline.
+ */
+__attribute__((always_inline))
+static inline void gpio_set_value(unsigned int pin, int value)
+{
+	if (__builtin_constant_p(pin))
+		__gpio_set_output_value(gpio_pin_to_port(pin),
+				pin & 0x1f, value);
+	else
+		gpio_set_output_value(pin, value);
+}
+
+__attribute__((always_inline))
+static inline int gpio_get_value(unsigned int pin)
+{
+	if (__builtin_constant_p(pin))
+		return __gpio_get_input_value(gpio_pin_to_port(pin),
+				pin & 0x1f);
+	else
+		return gpio_get_input_value(pin);
+}
+
+#endif /* __AVR32_PORTMUX_GPIO_H__ */
diff --git a/include/asm-avr32/arch-common/portmux-pio.h b/include/asm-avr32/arch-common/portmux-pio.h
new file mode 100644
index 0000000..1abe5be
--- /dev/null
+++ b/include/asm-avr32/arch-common/portmux-pio.h
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2006, 2008 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 __AVR32_PORTMUX_PIO_H__
+#define __AVR32_PORTMUX_PIO_H__
+
+#include <asm/io.h>
+
+/* PIO register offsets */
+#define PIO_PER			0x0000
+#define PIO_PDR			0x0004
+#define PIO_PSR			0x0008
+#define PIO_OER			0x0010
+#define PIO_ODR			0x0014
+#define PIO_OSR			0x0018
+#define PIO_IFER		0x0020
+#define PIO_IFDR		0x0024
+#define PIO_ISFR		0x0028
+#define PIO_SODR		0x0030
+#define PIO_CODR		0x0034
+#define PIO_ODSR		0x0038
+#define PIO_PDSR		0x003c
+#define PIO_IER			0x0040
+#define PIO_IDR			0x0044
+#define PIO_IMR			0x0048
+#define PIO_ISR			0x004c
+#define PIO_MDER		0x0050
+#define PIO_MDDR		0x0054
+#define PIO_MDSR		0x0058
+#define PIO_PUDR		0x0060
+#define PIO_PUER		0x0064
+#define PIO_PUSR		0x0068
+#define PIO_ASR			0x0070
+#define PIO_BSR			0x0074
+#define PIO_ABSR		0x0078
+#define PIO_OWER		0x00a0
+#define PIO_OWDR		0x00a4
+#define PIO_OWSR		0x00a8
+
+/* Hardware register access */
+#define pio_readl(base, reg)				\
+	__raw_readl((void *)base + PIO_##reg)
+#define pio_writel(base, reg, value)			\
+	__raw_writel((value), (void *)base + PIO_##reg)
+
+/* Portmux API starts here. See doc/README.AVR32-port-muxing */
+
+enum portmux_function {
+	PORTMUX_FUNC_A,
+	PORTMUX_FUNC_B,
+};
+
+/* Pull-down, buskeeper and drive strength are not supported */
+#define PORTMUX_DIR_INPUT	(0 << 0)
+#define PORTMUX_DIR_OUTPUT	(1 << 0)
+#define PORTMUX_INIT_LOW	(0 << 1)
+#define PORTMUX_INIT_HIGH	(1 << 1)
+#define PORTMUX_PULL_UP		(1 << 2)
+#define PORTMUX_PULL_DOWN	(0)
+#define PORTMUX_BUSKEEPER	PORTMUX_PULL_UP
+#define PORTMUX_DRIVE_MIN	(0)
+#define PORTMUX_DRIVE_LOW	(0)
+#define PORTMUX_DRIVE_HIGH	(0)
+#define PORTMUX_DRIVE_MAX	(0)
+#define PORTMUX_OPEN_DRAIN	(1 << 3)
+
+void portmux_select_peripheral(void *port, unsigned long pin_mask,
+		enum portmux_function func, unsigned long flags);
+void portmux_select_gpio(void *port, unsigned long pin_mask,
+		unsigned long flags);
+
+/* Internal helper functions */
+
+static inline void __pio_set_output_value(void *port, unsigned int pin,
+		int value)
+{
+	/*
+	 * value will usually be constant, but it's pretty cheap
+	 * either way.
+	 */
+	if (value)
+		pio_writel(port, SODR, 1 << pin);
+	else
+		pio_writel(port, CODR, 1 << pin);
+}
+
+static inline int __pio_get_input_value(void *port, unsigned int pin)
+{
+	return (pio_readl(port, PDSR) >> pin) & 1;
+}
+
+void pio_set_output_value(unsigned int pin, int value);
+int pio_get_input_value(unsigned int pin);
+
+/* GPIO API starts here */
+
+/*
+ * GCC doesn't realize that the constant case is extremely trivial,
+ * so we need to help it make the right decision by using
+ * always_inline.
+ */
+__attribute__((always_inline))
+static inline void gpio_set_value(unsigned int pin, int value)
+{
+	if (__builtin_constant_p(pin))
+		__pio_set_output_value(pio_pin_to_port(pin), pin & 0x1f, value);
+	else
+		pio_set_output_value(pin, value);
+}
+
+__attribute__((always_inline))
+static inline int gpio_get_value(unsigned int pin)
+{
+	if (__builtin_constant_p(pin))
+		return __pio_get_input_value(pio_pin_to_port(pin), pin & 0x1f);
+	else
+		return pio_get_input_value(pin);
+}
+
+#endif /* __AVR32_PORTMUX_PIO_H__ */
diff --git a/include/asm-avr32/dma-mapping.h b/include/asm-avr32/dma-mapping.h
index 3b46fa3..0be7804 100644
--- a/include/asm-avr32/dma-mapping.h
+++ b/include/asm-avr32/dma-mapping.h
@@ -23,7 +23,7 @@
 #define __ASM_AVR32_DMA_MAPPING_H
 
 #include <asm/io.h>
-#include <asm/cacheflush.h>
+#include <asm/arch/cacheflush.h>
 
 enum dma_data_direction {
 	DMA_BIDIRECTIONAL	= 0,
diff --git a/include/asm-avr32/initcalls.h b/include/asm-avr32/initcalls.h
index 583e5dc..57a278b 100644
--- a/include/asm-avr32/initcalls.h
+++ b/include/asm-avr32/initcalls.h
@@ -26,6 +26,5 @@
 
 extern int cpu_init(void);
 extern int timer_init(void);
-extern void board_init_info(void);
 
 #endif /* __ASM_AVR32_INITCALLS_H__ */
diff --git a/include/asm-avr32/io.h b/include/asm-avr32/io.h
index 50967ac..1cb17ea 100644
--- a/include/asm-avr32/io.h
+++ b/include/asm-avr32/io.h
@@ -73,21 +73,8 @@ extern void __readwrite_bug(const char *fn);
 #define inw(p)	({ unsigned int __v = __le16_to_cpu(__raw_readw(p)); __v; })
 #define inl(p)	({ unsigned int __v = __le32_to_cpu(__raw_readl(p)); __v; })
 
-#include <asm/addrspace.h>
-
-/* virt_to_phys will only work when address is in P1 or P2 */
-static inline phys_addr_t virt_to_phys(volatile void *address)
-{
-	return PHYSADDR(address);
-}
-
-static inline void *phys_to_virt(phys_addr_t address)
-{
-	return (void *)P1SEGADDR(address);
-}
-
-#define cached(addr) ((void *)P1SEGADDR(addr))
-#define uncached(addr) ((void *)P2SEGADDR(addr))
+#include <asm/arch/addrspace.h>
+/* Provides virt_to_phys, phys_to_virt, cached, uncached, map_physmem */
 
 #endif /* __KERNEL__ */
 
@@ -96,28 +83,6 @@ static inline void sync(void)
 }
 
 /*
- * Given a physical address and a length, return a virtual address
- * that can be used to access the memory range with the caching
- * properties specified by "flags".
- *
- * This implementation works for memory below 512MiB (flash, etc.) as
- * well as above 3.5GiB (internal peripherals.)
- */
-#define MAP_NOCACHE	(0)
-#define MAP_WRCOMBINE	(1 << 7)
-#define MAP_WRBACK	(MAP_WRCOMBINE | (1 << 9))
-#define MAP_WRTHROUGH	(MAP_WRBACK | (1 << 0))
-
-static inline void *
-map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
-{
-	if (flags == MAP_WRBACK)
-		return (void *)P1SEGADDR(paddr);
-	else
-		return (void *)P2SEGADDR(paddr);
-}
-
-/*
  * Take down a mapping set up by map_physmem().
  */
 static inline void unmap_physmem(void *vaddr, unsigned long len)
diff --git a/include/asm-avr32/sdram.h b/include/asm-avr32/sdram.h
index 7bdefc1..762acfa 100644
--- a/include/asm-avr32/sdram.h
+++ b/include/asm-avr32/sdram.h
@@ -25,8 +25,8 @@
 struct sdram_config {
 	/* Number of data bits. */
 	enum {
-		SDRAM_DATA_16BIT,
-		SDRAM_DATA_32BIT,
+		SDRAM_DATA_16BIT = 16,
+		SDRAM_DATA_32BIT = 32,
 	} data_bits;
 
 	/* Number of address bits */