avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/arch/avr32/include/asm/arch-at32ap700x/addrspace.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#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
+#define P2SEG		0xa0000000
+#define P3SEG		0xc0000000
+#define P4SEG		0xe0000000
+
+/* Returns the privileged segment base of a given address */
+#define PXSEG(a)	(((unsigned long)(a)) & 0xe0000000)
+
+/* Returns the physical address of a PnSEG (n=1,2) address */
+#define PHYSADDR(a)	(((unsigned long)(a)) & 0x1fffffff)
+
+/*
+ * Map an address to a certain privileged segment
+ */
+#define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
+#define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG))
+#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)
+{
+	return (void *)paddr;
+}
+
+#endif /* __ASM_AVR32_ADDRSPACE_H */

u-boot/arch/avr32/include/asm/arch-at32ap700x/cacheflush.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __ASM_AVR32_CACHEFLUSH_H
+#define __ASM_AVR32_CACHEFLUSH_H
+
+/*
+ * Invalidate any cacheline containing virtual address vaddr without
+ * writing anything back to memory.
+ *
+ * Note that this function may corrupt unrelated data structures when
+ * applied on buffers that are not cacheline aligned in both ends.
+ */
+static inline void dcache_invalidate_line(volatile void *vaddr)
+{
+	asm volatile("cache %0[0], 0x0b" : : "r"(vaddr) : "memory");
+}
+
+/*
+ * Make sure any cacheline containing virtual address vaddr is written
+ * to memory.
+ */
+static inline void dcache_clean_line(volatile void *vaddr)
+{
+	asm volatile("cache %0[0], 0x0c" : : "r"(vaddr) : "memory");
+}
+
+/*
+ * Make sure any cacheline containing virtual address vaddr is written
+ * to memory and then invalidate it.
+ */
+static inline void dcache_flush_line(volatile void *vaddr)
+{
+	asm volatile("cache %0[0], 0x0d" : : "r"(vaddr) : "memory");
+}
+
+/*
+ * Invalidate any instruction cacheline containing virtual address
+ * vaddr.
+ */
+static inline void icache_invalidate_line(volatile void *vaddr)
+{
+	asm volatile("cache %0[0], 0x01" : : "r"(vaddr) : "memory");
+}
+
+/*
+ * Applies the above functions on all lines that are touched by the
+ * specified virtual address range.
+ */
+void dcache_clean_range(volatile void *start, size_t len);
+void icache_invalidate_range(volatile void *start, size_t len);
+
+static inline void dcache_flush_unlocked(void)
+{
+	asm volatile("cache %0[5], 0x08" : : "r"(0) : "memory");
+}
+
+/*
+ * Make sure any pending writes are completed before continuing.
+ */
+#define sync_write_buffer() asm volatile("sync 0" : : : "memory")
+
+#endif /* __ASM_AVR32_CACHEFLUSH_H */

u-boot/arch/avr32/include/asm/arch-at32ap700x/chip-features.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2007 Atmel Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __ASM_AVR32_ARCH_CHIP_FEATURES_H__
+#define __ASM_AVR32_ARCH_CHIP_FEATURES_H__
+
+/* Currently, all the AP700x chips have these */
+#define AT32AP700x_CHIP_HAS_USART
+#define AT32AP700x_CHIP_HAS_MMCI
+#define AT32AP700x_CHIP_HAS_SPI
+
+/* Only AP7000 has ethernet interface */
+#ifdef CONFIG_AT32AP7000
+#define AT32AP700x_CHIP_HAS_MACB
+#endif
+
+/* AP7000 and AP7002 have LCD controller, but AP7001 does not */
+#if defined(CONFIG_AT32AP7000) || defined(CONFIG_AT32AP7002)
+#define AT32AP700x_CHIP_HAS_LCDC
+#endif
+
+#endif /* __ASM_AVR32_ARCH_CHIP_FEATURES_H__ */

u-boot/arch/avr32/include/asm/arch-at32ap700x/clk.h

@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __ASM_AVR32_ARCH_CLK_H__
+#define __ASM_AVR32_ARCH_CLK_H__
+
+#include <asm/arch/chip-features.h>
+#include <asm/arch/portmux.h>
+
+#ifdef CONFIG_PLL
+#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)
+#endif
+
+static inline unsigned long get_cpu_clk_rate(void)
+{
+	return MAIN_CLK_RATE >> CONFIG_SYS_CLKDIV_CPU;
+}
+static inline unsigned long get_hsb_clk_rate(void)
+{
+	return MAIN_CLK_RATE >> CONFIG_SYS_CLKDIV_HSB;
+}
+static inline unsigned long get_pba_clk_rate(void)
+{
+	return MAIN_CLK_RATE >> CONFIG_SYS_CLKDIV_PBA;
+}
+static inline unsigned long get_pbb_clk_rate(void)
+{
+	return MAIN_CLK_RATE >> CONFIG_SYS_CLKDIV_PBB;
+}
+
+/* Accessors for specific devices. More will be added as needed. */
+static inline unsigned long get_sdram_clk_rate(void)
+{
+	return get_hsb_clk_rate();
+}
+#ifdef AT32AP700x_CHIP_HAS_USART
+static inline unsigned long get_usart_clk_rate(unsigned int dev_id)
+{
+	return get_pba_clk_rate();
+}
+#endif
+#ifdef AT32AP700x_CHIP_HAS_MACB
+static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
+{
+	return get_pbb_clk_rate();
+}
+static inline unsigned long get_macb_hclk_rate(unsigned int dev_id)
+{
+	return get_hsb_clk_rate();
+}
+#endif
+#ifdef AT32AP700x_CHIP_HAS_MMCI
+static inline unsigned long get_mci_clk_rate(void)
+{
+	return get_pbb_clk_rate();
+}
+#endif
+#ifdef AT32AP700x_CHIP_HAS_SPI
+static inline unsigned long get_spi_clk_rate(unsigned int dev_id)
+{
+	return get_pba_clk_rate();
+}
+#endif
+#ifdef AT32AP700x_CHIP_HAS_LCDC
+static inline unsigned long get_lcdc_clk_rate(unsigned int dev_id)
+{
+	return get_hsb_clk_rate();
+}
+#endif
+
+extern void clk_init(void);
+
+/* 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__ */

u-boot/arch/avr32/include/asm/arch-at32ap700x/gpio.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2006, 2008 Atmel Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __ASM_AVR32_ARCH_GPIO_H__
+#define __ASM_AVR32_ARCH_GPIO_H__
+
+#include <asm/arch/chip-features.h>
+#include <asm/arch/hardware.h>
+
+#define NR_GPIO_CONTROLLERS	5
+
+/*
+ * Pin numbers identifying specific GPIO pins on the chip.
+ */
+#define GPIO_PIOA_BASE	(0)
+#define GPIO_PIOB_BASE	(GPIO_PIOA_BASE + 32)
+#define GPIO_PIOC_BASE	(GPIO_PIOB_BASE + 32)
+#define GPIO_PIOD_BASE	(GPIO_PIOC_BASE + 32)
+#define GPIO_PIOE_BASE	(GPIO_PIOD_BASE + 32)
+#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))
+
+static inline void *pio_pin_to_port(unsigned int pin)
+{
+	switch (pin >> 5) {
+	case 0:
+		return (void *)ATMEL_BASE_PIOA;
+	case 1:
+		return (void *)ATMEL_BASE_PIOB;
+	case 2:
+		return (void *)ATMEL_BASE_PIOC;
+	case 3:
+		return (void *)ATMEL_BASE_PIOD;
+	case 4:
+		return (void *)ATMEL_BASE_PIOE;
+	default:
+		return NULL;
+	}
+}
+
+#include <asm/arch-common/portmux-pio.h>
+
+#endif /* __ASM_AVR32_ARCH_GPIO_H__ */

u-boot/arch/avr32/include/asm/arch-at32ap700x/hardware.h

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __AT32AP7000_HARDWARE_H__
+#define __AT32AP7000_HARDWARE_H__
+
+/* Internal and external memories */
+#define EBI_SRAM_CS0_BASE			0x00000000
+#define EBI_SRAM_CS0_SIZE			0x04000000
+#define EBI_SRAM_CS4_BASE			0x04000000
+#define EBI_SRAM_CS4_SIZE			0x04000000
+#define EBI_SRAM_CS2_BASE			0x08000000
+#define EBI_SRAM_CS2_SIZE			0x04000000
+#define EBI_SRAM_CS3_BASE			0x0c000000
+#define EBI_SRAM_CS3_SIZE			0x04000000
+#define EBI_SRAM_CS1_BASE			0x10000000
+#define EBI_SRAM_CS1_SIZE			0x10000000
+#define EBI_SRAM_CS5_BASE			0x20000000
+#define EBI_SRAM_CS5_SIZE			0x04000000
+
+#define EBI_SDRAM_BASE				EBI_SRAM_CS1_BASE
+#define EBI_SDRAM_SIZE				EBI_SRAM_CS1_SIZE
+
+#define INTERNAL_SRAM_BASE			0x24000000
+#define INTERNAL_SRAM_SIZE			0x00008000
+
+/* Devices on the High Speed Bus (HSB) */
+#define LCDC_BASE					0xFF000000
+#define DMAC_BASE					0xFF200000
+#define USB_FIFO					0xFF300000
+
+/* Devices on Peripheral Bus A (PBA) */
+#define ATMEL_BASE_SPI0				0xFFE00000
+#define ATMEL_BASE_SPI1				0xFFE00400
+#define ATMEL_BASE_TWI0				0xFFE00800
+#define ATMEL_BASE_USART0			0xFFE00C00
+#define ATMEL_BASE_USART1			0xFFE01000
+#define ATMEL_BASE_USART2			0xFFE01400
+#define ATMEL_BASE_USART3			0xFFE01800
+#define ATMEL_BASE_SSC0				0xFFE01C00
+#define ATMEL_BASE_SSC1				0xFFE02000
+#define ATMEL_BASE_SSC2				0xFFE02400
+#define ATMEL_BASE_PIOA				0xFFE02800
+#define ATMEL_BASE_PIOB				0xFFE02C00
+#define ATMEL_BASE_PIOC				0xFFE03000
+#define ATMEL_BASE_PIOD				0xFFE03400
+#define ATMEL_BASE_PIOE				0xFFE03800
+#define ATMEL_BASE_PSIF				0xFFE03C00
+
+/* Devices on Peripheral Bus B (PBB) */
+#define ATMEL_BASE_SM				0xFFF00000
+#define ATMEL_BASE_INTC				0xFFF00400
+#define ATMEL_BASE_HMATRIX			0xFFF00800
+#define ATMEL_BASE_TIMER0			0xFFF00C00
+#define ATMEL_BASE_TIMER1			0xFFF01000
+#define ATMEL_BASE_PWM				0xFFF01400
+#define ATMEL_BASE_MACB0			0xFFF01800
+#define ATMEL_BASE_MACB1			0xFFF01C00
+#define ATMEL_BASE_DAC				0xFFF02000
+#define ATMEL_BASE_MMCI				0xFFF02400
+#define ATMEL_BASE_AUDIOC			0xFFF02800
+#define ATMEL_BASE_HISI				0xFFF02C00
+#define ATMEL_BASE_USB				0xFFF03000
+#define ATMEL_BASE_HSMC				0xFFF03400
+#define ATMEL_BASE_HSDRAMC			0xFFF03800
+#define ATMEL_BASE_ECC				0xFFF03C00
+
+#endif /* __AT32AP7000_HARDWARE_H__ */

u-boot/arch/avr32/include/asm/arch-at32ap700x/hmatrix.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __ASM_AVR32_ARCH_HMATRIX_H__
+#define __ASM_AVR32_ARCH_HMATRIX_H__
+
+#include <asm/hmatrix-common.h>
+
+/* Bitfields in SFR4 (EBI) */
+#define HMATRIX_EBI_SDRAM_ENABLE_OFFSET		1
+#define HMATRIX_EBI_SDRAM_ENABLE_SIZE		1
+#define HMATRIX_EBI_NAND_ENABLE_OFFSET		3
+#define HMATRIX_EBI_NAND_ENABLE_SIZE		1
+#define HMATRIX_EBI_CF0_ENABLE_OFFSET		4
+#define HMATRIX_EBI_CF0_ENABLE_SIZE		1
+#define HMATRIX_EBI_CF1_ENABLE_OFFSET		5
+#define HMATRIX_EBI_CF1_ENABLE_SIZE		1
+#define HMATRIX_EBI_PULLUP_DISABLE_OFFSET	8
+#define HMATRIX_EBI_PULLUP_DISABLE_SIZE		1
+
+/* HSB masters */
+#define HMATRIX_MASTER_CPU_DCACHE		0
+#define HMATRIX_MASTER_CPU_ICACHE		1
+#define HMATRIX_MASTER_PDC			2
+#define HMATRIX_MASTER_ISI			3
+#define HMATRIX_MASTER_USBA			4
+#define HMATRIX_MASTER_LCDC			5
+#define HMATRIX_MASTER_MACB0			6
+#define HMATRIX_MASTER_MACB1			7
+#define HMATRIX_MASTER_DMACA_M0			8
+#define HMATRIX_MASTER_DMACA_M1			9
+
+/* HSB slaves */
+#define HMATRIX_SLAVE_SRAM0			0
+#define HMATRIX_SLAVE_SRAM1			1
+#define HMATRIX_SLAVE_PBA			2
+#define HMATRIX_SLAVE_PBB			3
+#define HMATRIX_SLAVE_EBI			4
+#define HMATRIX_SLAVE_USBA			5
+#define HMATRIX_SLAVE_LCDC			6
+#define HMATRIX_SLAVE_DMACA			7
+
+#endif /* __ASM_AVR32_ARCH_HMATRIX_H__ */

u-boot/arch/avr32/include/asm/arch-at32ap700x/mmu.h

@@ -0,0 +1,66 @@
+/*
+ * In order to deal with the hardcoded u-boot requirement that virtual
+ * addresses are always mapped 1:1 with physical addresses, we implement
+ * a small virtual memory manager so that we can use the MMU hardware in
+ * order to get the caching properties right.
+ *
+ * A few pages (or possibly just one) are locked in the TLB permanently
+ * in order to avoid recursive TLB misses, but most pages are faulted in
+ * on demand.
+ */
+#ifndef __ASM_ARCH_MMU_H
+#define __ASM_ARCH_MMU_H
+
+#include <asm/sysreg.h>
+
+#define MMU_PAGE_SHIFT	20
+#define MMU_PAGE_SIZE	(1UL << MMU_PAGE_SHIFT)
+#define MMU_PAGE_ADDR_MASK	(~(MMU_PAGE_SIZE - 1))
+
+#define MMU_VMR_CACHE_NONE						\
+	(SYSREG_BF(AP, 3) | SYSREG_BF(SZ, 3) | SYSREG_BIT(TLBELO_D))
+#define MMU_VMR_CACHE_WBUF						\
+	(MMU_VMR_CACHE_NONE | SYSREG_BIT(B))
+#define MMU_VMR_CACHE_WRTHRU						\
+	(MMU_VMR_CACHE_NONE | SYSREG_BIT(TLBELO_C) | SYSREG_BIT(W))
+#define MMU_VMR_CACHE_WRBACK						\
+	(MMU_VMR_CACHE_WBUF | SYSREG_BIT(TLBELO_C))
+
+/*
+ * This structure is used in our "page table". Instead of the usual
+ * x86-inspired radix tree, we let each entry cover an arbitrary-sized
+ * virtual address range and store them in a binary search tree. This is
+ * somewhat slower, but should use significantly less RAM, and we
+ * shouldn't get many TLB misses when using 1 MB pages anyway.
+ *
+ * With 1 MB pages, we need 12 bits to store the page number. In
+ * addition, we stick an Invalid bit in the high bit of virt_pgno (if
+ * set, it cannot possibly match any faulting page), and all the bits
+ * that need to be written to TLBELO in phys_pgno.
+ */
+struct mmu_vm_range {
+	uint16_t	virt_pgno;
+	uint16_t	nr_pages;
+	uint32_t	phys;
+};
+
+/*
+ * An array of mmu_vm_range objects describing all pageable addresses.
+ * The array is sorted by virt_pgno so that the TLB miss exception
+ * handler can do a binary search to find the correct entry.
+ */
+extern struct mmu_vm_range mmu_vmr_table[];
+
+/*
+ * Initialize the MMU. This will set up a fixed TLB entry for the static
+ * u-boot image at dest_addr and enable paging.
+ */
+void mmu_init_r(unsigned long dest_addr);
+
+/*
+ * Handle a TLB miss exception. This function is called directly from
+ * the exception vector table written in assembly.
+ */
+int mmu_handle_tlb_miss(void);
+
+#endif /* __ASM_ARCH_MMU_H */

u-boot/arch/avr32/include/asm/arch-at32ap700x/portmux.h

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2006, 2008 Atmel Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __ASM_AVR32_ARCH_PORTMUX_H__
+#define __ASM_AVR32_ARCH_PORTMUX_H__
+
+#include <asm/arch/gpio.h>
+
+#define PORTMUX_PORT_A		((void *)ATMEL_BASE_PIOA)
+#define PORTMUX_PORT_B		((void *)ATMEL_BASE_PIOB)
+#define PORTMUX_PORT_C		((void *)ATMEL_BASE_PIOC)
+#define PORTMUX_PORT_D		((void *)ATMEL_BASE_PIOD)
+#define PORTMUX_PORT_E		((void *)ATMEL_BASE_PIOE)
+
+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
+#ifdef AT32AP700x_CHIP_HAS_LCDC
+void portmux_enable_lcdc(int pin_config);
+#endif
+
+#endif /* __ASM_AVR32_ARCH_PORTMUX_H__ */