Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
  avr32: Fix GPIO initcall breakage
  avr32: Scale loops_per_jiffy when cpu frequency changes
  avr32: Fix bug in LCD pin setup on port C
  avr32: Add defconfig for the favr-32 board
  avr32: Add defconfig for the mimc200 board
  avr32: Add MIMC200 board support
  avr32: Fix MIMC200 board use of SPD network pins
  avr32: add support for EarthLCD Favr-32 board
  avr32: Add support for EVKLCD10X addon boards
  avr32: Kconfig: Remove pointless if around atstk1000 include

arch/avr32/Kconfig

@@ -121,11 +121,19 @@ config BOARD_ATSTK1000
 config BOARD_ATNGW100
 	bool "ATNGW100 Network Gateway"
 	select CPU_AT32AP7000
+
+config BOARD_FAVR_32
+	bool "Favr-32 LCD-board"
+	select CPU_AT32AP7000
+
+config BOARD_MIMC200
+	bool "MIMC200 CPU board"
+	select CPU_AT32AP7000
 endchoice
 
-if BOARD_ATSTK1000
 source "arch/avr32/boards/atstk1000/Kconfig"
-endif
+source "arch/avr32/boards/atngw100/Kconfig"
+source "arch/avr32/boards/favr-32/Kconfig"
 
 choice
 	prompt "Boot loader type"

arch/avr32/Makefile

@@ -33,6 +33,8 @@ head-y					+= arch/avr32/kernel/head.o
 core-y					+= $(machdirs)
 core-$(CONFIG_BOARD_ATSTK1000)		+= arch/avr32/boards/atstk1000/
 core-$(CONFIG_BOARD_ATNGW100)		+= arch/avr32/boards/atngw100/
+core-$(CONFIG_BOARD_FAVR_32)		+= arch/avr32/boards/favr-32/
+core-$(CONFIG_BOARD_MIMC200)		+= arch/avr32/boards/mimc200/
 core-$(CONFIG_LOADER_U_BOOT)		+= arch/avr32/boot/u-boot/
 core-y					+= arch/avr32/kernel/
 core-y					+= arch/avr32/mm/

arch/avr32/boards/atngw100/Kconfig

+# NGW100 customization
+
+if BOARD_ATNGW100
+
+config BOARD_ATNGW100_EVKLCD10X
+	bool "Add support for EVKLCD10X addon board"
+	help
+	  This enables support for the EVKLCD100 (QVGA) or EVKLCD101 (VGA)
+	  addon board for the NGW100. By enabling this the LCD controller and
+	  AC97 controller is added as platform devices.
+
+	  This choice disables the detect pin and the write-protect pin for the
+	  MCI platform device, since it conflicts with the LCD platform device.
+	  The MCI pins can be reenabled by editing the "add device function" but
+	  this may break the setup for other displays that use these pins.
+
+	  Choose 'Y' here if you have a EVKLCD100/101 connected to the NGW100.
+
+choice
+	prompt "LCD panel resolution on EVKLCD10X"
+	depends on BOARD_ATNGW100_EVKLCD10X
+	default BOARD_ATNGW100_EVKLCD10X_VGA
+
+config BOARD_ATNGW100_EVKLCD10X_QVGA
+	bool "QVGA (320x240)"
+
+config BOARD_ATNGW100_EVKLCD10X_VGA
+	bool "VGA (640x480)"
+
+config BOARD_ATNGW100_EVKLCD10X_POW_QVGA
+	bool "Powertip QVGA (320x240)"
+
+endchoice
+
+endif	# BOARD_ATNGW100

arch/avr32/boards/atngw100/Makefile

-obj-y				+= setup.o flash.o
+obj-y					+= setup.o flash.o
+obj-$(CONFIG_BOARD_ATNGW100_EVKLCD10X)	+= evklcd10x.o

arch/avr32/boards/atngw100/evklcd10x.c

+/*
+ * Board-specific setup code for the ATEVKLCD10X addon board to the ATNGW100
+ * Network Gateway
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/linkage.h>
+#include <linux/fb.h>
+#include <linux/platform_device.h>
+
+#include <video/atmel_lcdc.h>
+
+#include <asm/setup.h>
+
+#include <mach/at32ap700x.h>
+#include <mach/board.h>
+
+static struct ac97c_platform_data __initdata ac97c0_data = {
+	.dma_rx_periph_id	= 3,
+	.dma_tx_periph_id	= 4,
+	.dma_controller_id	= 0,
+	.reset_pin		= GPIO_PIN_PB(19),
+};
+
+#ifdef CONFIG_BOARD_ATNGW100_EVKLCD10X_VGA
+static struct fb_videomode __initdata tcg057vglad_modes[] = {
+	{
+		.name		= "640x480 @ 60",
+		.refresh	= 60,
+		.xres		= 640,		.yres		= 480,
+		.pixclock	= KHZ2PICOS(25180),
+
+		.left_margin	= 64,		.right_margin	= 31,
+		.upper_margin	= 34,		.lower_margin	= 2,
+		.hsync_len	= 96,		.vsync_len	= 4,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
+	.manufacturer		= "KYO",
+	.monitor		= "TCG057VGLAD",
+	.modedb			= tcg057vglad_modes,
+	.modedb_len		= ARRAY_SIZE(tcg057vglad_modes),
+	.hfmin			= 19948,
+	.hfmax			= 31478,
+	.vfmin			= 50,
+	.vfmax			= 67,
+	.dclkmax		= 28330000,
+};
+
+static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
+	.default_bpp		= 16,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &atevklcd10x_default_monspecs,
+	.guard_time		= 2,
+};
+#elif CONFIG_BOARD_ATNGW100_EVKLCD10X_QVGA
+static struct fb_videomode __initdata tcg057qvlad_modes[] = {
+	{
+		.name		= "320x240 @ 60",
+		.refresh	= 60,
+		.xres		= 320,		.yres		= 240,
+		.pixclock	= KHZ2PICOS(6300),
+
+		.left_margin	= 52,		.right_margin	= 28,
+		.upper_margin	= 7,		.lower_margin	= 2,
+		.hsync_len	= 96,		.vsync_len	= 4,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
+	.manufacturer		= "KYO",
+	.monitor		= "TCG057QVLAD",
+	.modedb			= tcg057qvlad_modes,
+	.modedb_len		= ARRAY_SIZE(tcg057qvlad_modes),
+	.hfmin			= 19948,
+	.hfmax			= 31478,
+	.vfmin			= 50,
+	.vfmax			= 67,
+	.dclkmax		= 7000000,
+};
+
+static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
+	.default_bpp		= 16,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &atevklcd10x_default_monspecs,
+	.guard_time		= 2,
+};
+#elif CONFIG_BOARD_ATNGW100_EVKLCD10X_POW_QVGA
+static struct fb_videomode __initdata ph320240t_modes[] = {
+	{
+		.name		= "320x240 @ 60",
+		.refresh	= 60,
+		.xres		= 320,		.yres		= 240,
+		.pixclock	= KHZ2PICOS(6300),
+
+		.left_margin	= 38,		.right_margin	= 20,
+		.upper_margin	= 15,		.lower_margin	= 5,
+		.hsync_len	= 30,		.vsync_len	= 3,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
+	.manufacturer		= "POW",
+	.monitor		= "PH320240T",
+	.modedb			= ph320240t_modes,
+	.modedb_len		= ARRAY_SIZE(ph320240t_modes),
+	.hfmin			= 14400,
+	.hfmax			= 21600,
+	.vfmin			= 50,
+	.vfmax			= 90,
+	.dclkmax		= 6400000,
+};
+
+static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
+	.default_bpp		= 16,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &atevklcd10x_default_monspecs,
+	.guard_time		= 2,
+};
+#endif
+
+static int __init atevklcd10x_init(void)
+{
+	at32_add_device_ac97c(0, &ac97c0_data);
+
+	at32_add_device_lcdc(0, &atevklcd10x_lcdc_data,
+			fbmem_start, fbmem_size, 1);
+	return 0;
+}
+postcore_initcall(atevklcd10x_init);

arch/avr32/boards/atngw100/setup.c

@@ -56,8 +56,13 @@ static struct spi_board_info spi0_board_info[] __initdata = {
 static struct mci_platform_data __initdata mci0_data = {
 	.slot[0] = {
 		.bus_width	= 4,
+#ifndef CONFIG_BOARD_ATNGW100_EVKLCD10X
 		.detect_pin	= GPIO_PIN_PC(25),
 		.wp_pin		= GPIO_PIN_PE(0),
+#else
+		.detect_pin	= GPIO_PIN_NONE,
+		.wp_pin		= GPIO_PIN_NONE,
+#endif
 	},
 };
 
@@ -172,8 +177,6 @@ static int __init atngw100_init(void)
 	 * reserve any pins for it.
 	 */
 
-	at32_add_system_devices();
-
 	at32_add_device_usart(0);
 
 	set_hw_addr(at32_add_device_eth(0, &eth_data[0]));

arch/avr32/boards/atstk1000/atstk1002.c

@@ -305,8 +305,6 @@ static int __init atstk1002_init(void)
 	at32_reserve_pin(GPIO_PIN_PE(15));	/* DATA[31]	*/
 	at32_reserve_pin(GPIO_PIN_PE(26));	/* SDCS		*/
 
-	at32_add_system_devices();
-
 #ifdef CONFIG_BOARD_ATSTK1006
 	smc_set_timing(&nand_config, &nand_timing);
 	smc_set_configuration(3, &nand_config);

arch/avr32/boards/atstk1000/atstk1003.c

@@ -149,8 +149,6 @@ static int __init atstk1003_init(void)
 	at32_reserve_pin(GPIO_PIN_PE(15));	/* DATA[31]	*/
 	at32_reserve_pin(GPIO_PIN_PE(26));	/* SDCS		*/
 
-	at32_add_system_devices();
-
 #ifdef	CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
 	at32_add_device_usart(1);
 #else

arch/avr32/boards/atstk1000/atstk1004.c

@@ -132,8 +132,6 @@ void __init setup_board(void)
 
 static int __init atstk1004_init(void)
 {
-	at32_add_system_devices();
-
 #ifdef	CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
 	at32_add_device_usart(1);
 #else

arch/avr32/boards/favr-32/Kconfig

+# Favr-32 customization
+
+if BOARD_FAVR_32
+
+config BOARD_FAVR32_ABDAC_RATE
+	int "DAC target rate"
+	default 44100
+	range 32000 50000
+	help
+	  Specify the target rate the internal DAC should try to match. This
+	  will use PLL1 to generate a frequency as close as possible to this
+	  rate.
+
+	  Must be within the range 32000 to 50000, which should be suitable to
+	  generate most other frequencies in power of 2 steps.
+
+	  Ex:
+		48000 will also suit 24000 and 12000
+		44100 will also suit 22050 and 11025
+		32000 will also suit 16000 and 8000
+
+endif # BOARD_FAVR_32

arch/avr32/boards/favr-32/Makefile

+obj-y	+= setup.o flash.o

arch/avr32/boards/favr-32/flash.c

+/*
+ * Favr-32 board-specific flash initialization
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/arch/smc.h>
+
+static struct smc_timing flash_timing __initdata = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 40,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 10,
+
+	.ncs_read_pulse		= 80,
+	.nrd_pulse		= 40,
+	.ncs_write_pulse	= 65,
+	.nwe_pulse		= 55,
+
+	.read_cycle		= 120,
+	.write_cycle		= 120,
+};
+
+static struct smc_config flash_config __initdata = {
+	.bus_width		= 2,
+	.nrd_controlled		= 1,
+	.nwe_controlled		= 1,
+	.byte_write		= 1,
+};
+
+static struct mtd_partition flash_parts[] = {
+	{
+		.name           = "u-boot",
+		.offset         = 0x00000000,
+		.size           = 0x00020000,           /* 128 KiB */
+		.mask_flags     = MTD_WRITEABLE,
+	},
+	{
+		.name           = "root",
+		.offset         = 0x00020000,
+		.size           = 0x007d0000,
+	},
+	{
+		.name           = "env",
+		.offset         = 0x007f0000,
+		.size           = 0x00010000,
+		.mask_flags     = MTD_WRITEABLE,
+	},
+};
+
+static struct physmap_flash_data flash_data = {
+	.width		= 2,
+	.nr_parts	= ARRAY_SIZE(flash_parts),
+	.parts		= flash_parts,
+};
+
+static struct resource flash_resource = {
+	.start		= 0x00000000,
+	.end		= 0x007fffff,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.resource	= &flash_resource,
+	.num_resources	= 1,
+	.dev		= {
+		.platform_data = &flash_data,
+	},
+};
+
+/* This needs to be called after the SMC has been initialized */
+static int __init favr32_flash_init(void)
+{
+	int ret;
+
+	smc_set_timing(&flash_config, &flash_timing);
+	ret = smc_set_configuration(0, &flash_config);
+	if (ret < 0) {
+		printk(KERN_ERR "Favr-32: failed to set NOR flash timing\n");
+		return ret;
+	}
+
+	platform_device_register(&flash_device);
+
+	return 0;
+}
+device_initcall(favr32_flash_init);

arch/avr32/boards/favr-32/setup.c

+/*
+ * Favr-32 board-specific setup code.
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/clk.h>
+#include <linux/etherdevice.h>
+#include <linux/bootmem.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/linkage.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/atmel-pwm-bl.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+
+#include <video/atmel_lcdc.h>
+
+#include <asm/setup.h>
+
+#include <asm/arch/at32ap700x.h>
+#include <asm/arch/init.h>
+#include <asm/arch/board.h>
+#include <asm/arch/portmux.h>
+
+/* Oscillator frequencies. These are board-specific */
+unsigned long at32_board_osc_rates[3] = {
+	[0] = 32768,	/* 32.768 kHz on RTC osc */
+	[1] = 20000000,	/* 20 MHz on osc0 */
+	[2] = 12000000,	/* 12 MHz on osc1 */
+};
+
+/* Initialized by bootloader-specific startup code. */
+struct tag *bootloader_tags __initdata;
+
+struct eth_addr {
+	u8 addr[6];
+};
+static struct eth_addr __initdata hw_addr[1];
+static struct eth_platform_data __initdata eth_data[1] = {
+	{
+		.phy_mask	= ~(1U << 1),
+	},
+};
+
+static int ads7843_get_pendown_state(void)
+{
+	return !gpio_get_value(GPIO_PIN_PB(3));
+}
+
+static struct ads7846_platform_data ads7843_data = {
+	.model			= 7843,
+	.get_pendown_state	= ads7843_get_pendown_state,
+	.pressure_max		= 255,
+	/*
+	 * Values below are for debounce filtering, these can be experimented
+	 * with further.
+	 */
+	.debounce_max		= 20,
+	.debounce_rep		= 4,
+	.debounce_tol		= 5,
+};
+
+static struct spi_board_info __initdata spi1_board_info[] = {
+	{
+		/* ADS7843 touch controller */
+		.modalias	= "ads7846",
+		.max_speed_hz	= 2000000,
+		.chip_select	= 0,
+		.bus_num	= 1,
+		.platform_data	= &ads7843_data,
+	},
+};
+
+static struct fb_videomode __initdata lb104v03_modes[] = {
+	{
+		.name		= "640x480 @ 50",
+		.refresh	= 50,
+		.xres		= 640,		.yres		= 480,
+		.pixclock	= KHZ2PICOS(25100),
+
+		.left_margin	= 90,		.right_margin	= 70,
+		.upper_margin	= 30,		.lower_margin	= 15,
+		.hsync_len	= 12,		.vsync_len	= 2,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs __initdata favr32_default_monspecs = {
+	.manufacturer		= "LG",
+	.monitor		= "LB104V03",
+	.modedb			= lb104v03_modes,
+	.modedb_len		= ARRAY_SIZE(lb104v03_modes),
+	.hfmin			= 27273,
+	.hfmax			= 31111,
+	.vfmin			= 45,
+	.vfmax			= 60,
+	.dclkmax		= 28000000,
+};
+
+struct atmel_lcdfb_info __initdata favr32_lcdc_data = {
+	.default_bpp		= 16,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &favr32_default_monspecs,
+	.guard_time		= 2,
+};
+
+static struct gpio_led favr32_leds[] = {
+	{
+		.name		 = "green",
+		.gpio		 = GPIO_PIN_PE(19),
+		.default_trigger = "heartbeat",
+		.active_low	 = 1,
+	},
+	{
+		.name		 = "red",
+		.gpio		 = GPIO_PIN_PE(20),
+		.active_low	 = 1,
+	},
+};
+
+static struct gpio_led_platform_data favr32_led_data = {
+	.num_leds	= ARRAY_SIZE(favr32_leds),
+	.leds		= favr32_leds,
+};
+
+static struct platform_device favr32_led_dev = {
+	.name		= "leds-gpio",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &favr32_led_data,
+	},
+};
+
+/*
+ * The next two functions should go away as the boot loader is
+ * supposed to initialize the macb address registers with a valid
+ * ethernet address. But we need to keep it around for a while until
+ * we can be reasonably sure the boot loader does this.
+ *
+ * The phy_id is ignored as the driver will probe for it.
+ */
+static int __init parse_tag_ethernet(struct tag *tag)
+{
+	int i;
+
+	i = tag->u.ethernet.mac_index;
+	if (i < ARRAY_SIZE(hw_addr))
+		memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address,
+		       sizeof(hw_addr[i].addr));
+
+	return 0;
+}
+__tagtable(ATAG_ETHERNET, parse_tag_ethernet);
+
+static void __init set_hw_addr(struct platform_device *pdev)
+{
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	const u8 *addr;
+	void __iomem *regs;
+	struct clk *pclk;
+
+	if (!res)
+		return;
+	if (pdev->id >= ARRAY_SIZE(hw_addr))
+		return;
+
+	addr = hw_addr[pdev->id].addr;
+	if (!is_valid_ether_addr(addr))
+		return;
+
+	/*
+	 * Since this is board-specific code, we'll cheat and use the
+	 * physical address directly as we happen to know that it's
+	 * the same as the virtual address.
+	 */
+	regs = (void __iomem __force *)res->start;
+	pclk = clk_get(&pdev->dev, "pclk");
+	if (!pclk)
+		return;
+
+	clk_enable(pclk);
+	__raw_writel((addr[3] << 24) | (addr[2] << 16)
+		     | (addr[1] << 8) | addr[0], regs + 0x98);
+	__raw_writel((addr[5] << 8) | addr[4], regs + 0x9c);
+	clk_disable(pclk);
+	clk_put(pclk);
+}
+
+void __init favr32_setup_leds(void)
+{
+	unsigned i;
+
+	for (i = 0; i < ARRAY_SIZE(favr32_leds); i++)
+		at32_select_gpio(favr32_leds[i].gpio, AT32_GPIOF_OUTPUT);
+
+	platform_device_register(&favr32_led_dev);
+}
+
+static struct atmel_pwm_bl_platform_data atmel_pwm_bl_pdata = {
+	.pwm_channel		= 2,
+	.pwm_frequency		= 200000,
+	.pwm_compare_max	= 345,
+	.pwm_duty_max		= 345,
+	.pwm_duty_min		= 90,
+	.pwm_active_low		= 1,
+	.gpio_on		= GPIO_PIN_PA(28),
+	.on_active_low		= 0,
+};
+
+static struct platform_device atmel_pwm_bl_dev = {
+	.name		= "atmel-pwm-bl",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &atmel_pwm_bl_pdata,
+	},
+};
+
+static void __init favr32_setup_atmel_pwm_bl(void)
+{
+	platform_device_register(&atmel_pwm_bl_dev);
+	at32_select_gpio(atmel_pwm_bl_pdata.gpio_on, 0);
+}
+
+void __init setup_board(void)
+{
+	at32_map_usart(3, 0);	/* USART 3 => /dev/ttyS0 */
+	at32_setup_serial_console(0);
+}
+
+static int __init set_abdac_rate(struct platform_device *pdev)
+{
+	int retval;
+	struct clk *osc1;
+	struct clk *pll1;
+	struct clk *abdac;
+
+	if (pdev == NULL)
+		return -ENXIO;
+
+	osc1 = clk_get(NULL, "osc1");
+	if (IS_ERR(osc1)) {
+		retval = PTR_ERR(osc1);
+		goto out;
+	}
+
+	pll1 = clk_get(NULL, "pll1");
+	if (IS_ERR(pll1)) {
+		retval = PTR_ERR(pll1);
+		goto out_osc1;
+	}
+
+	abdac = clk_get(&pdev->dev, "sample_clk");
+	if (IS_ERR(abdac)) {
+		retval = PTR_ERR(abdac);
+		goto out_pll1;
+	}
+
+	retval = clk_set_parent(pll1, osc1);
+	if (retval != 0)
+		goto out_abdac;
+
+	/*
+	 * Rate is 32000 to 50000 and ABDAC oversamples 256x. Multiply, in
+	 * power of 2, to a value above 80 MHz. Power of 2 so it is possible
+	 * for the generic clock to divide it down again and 80 MHz is the
+	 * lowest frequency for the PLL.
+	 */
+	retval = clk_round_rate(pll1,
+			CONFIG_BOARD_FAVR32_ABDAC_RATE * 256 * 16);
+	if (retval < 0)
+		goto out_abdac;
+
+	retval = clk_set_rate(pll1, retval);
+	if (retval != 0)
+		goto out_abdac;
+
+	retval = clk_set_parent(abdac, pll1);
+	if (retval != 0)
+		goto out_abdac;
+
+out_abdac:
+	clk_put(abdac);
+out_pll1:
+	clk_put(pll1);
+out_osc1:
+	clk_put(osc1);
+out:
+	return retval;
+}
+
+static int __init favr32_init(void)
+{
+	/*
+	 * Favr-32 uses 32-bit SDRAM interface. Reserve the SDRAM-specific
+	 * pins so that nobody messes with them.
+	 */
+	at32_reserve_pin(GPIO_PIN_PE(0));	/* DATA[16]	*/
+	at32_reserve_pin(GPIO_PIN_PE(1));	/* DATA[17]	*/
+	at32_reserve_pin(GPIO_PIN_PE(2));	/* DATA[18]	*/
+	at32_reserve_pin(GPIO_PIN_PE(3));	/* DATA[19]	*/
+	at32_reserve_pin(GPIO_PIN_PE(4));	/* DATA[20]	*/
+	at32_reserve_pin(GPIO_PIN_PE(5));	/* DATA[21]	*/
+	at32_reserve_pin(GPIO_PIN_PE(6));	/* DATA[22]	*/
+	at32_reserve_pin(GPIO_PIN_PE(7));	/* DATA[23]	*/
+	at32_reserve_pin(GPIO_PIN_PE(8));	/* DATA[24]	*/
+	at32_reserve_pin(GPIO_PIN_PE(9));	/* DATA[25]	*/
+	at32_reserve_pin(GPIO_PIN_PE(10));	/* DATA[26]	*/
+	at32_reserve_pin(GPIO_PIN_PE(11));	/* DATA[27]	*/
+	at32_reserve_pin(GPIO_PIN_PE(12));	/* DATA[28]	*/
+	at32_reserve_pin(GPIO_PIN_PE(13));	/* DATA[29]	*/
+	at32_reserve_pin(GPIO_PIN_PE(14));	/* DATA[30]	*/
+	at32_reserve_pin(GPIO_PIN_PE(15));	/* DATA[31]	*/
+	at32_reserve_pin(GPIO_PIN_PE(26));	/* SDCS		*/
+
+	at32_select_gpio(GPIO_PIN_PB(3), 0);	/* IRQ from ADS7843 */
+
+	at32_add_system_devices();
+
+	at32_add_device_usart(0);
+
+	set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
+
+	spi1_board_info[0].irq = gpio_to_irq(GPIO_PIN_PB(3));
+
+	set_abdac_rate(at32_add_device_abdac(0));
+
+	at32_add_device_pwm(1 << atmel_pwm_bl_pdata.pwm_channel);
+	at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
+	at32_add_device_mci(0, NULL);
+	at32_add_device_usba(0, NULL);
+	at32_add_device_lcdc(0, &favr32_lcdc_data, fbmem_start, fbmem_size, 0);
+
+	favr32_setup_leds();
+
+	favr32_setup_atmel_pwm_bl();
+
+	return 0;
+}
+postcore_initcall(favr32_init);

arch/avr32/boards/mimc200/Makefile

+obj-y				+= setup.o flash.o fram.o

arch/avr32/boards/mimc200/flash.c

+/*
+ * MIMC200 board-specific flash initialization
+ *
+ * Copyright (C) 2008 Mercury IMC Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+#include <mach/smc.h>
+
+static struct smc_timing flash_timing __initdata = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 15,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 0,
+
+	.ncs_read_pulse		= 115,
+	.nrd_pulse		= 110,
+	.ncs_write_pulse	= 60,
+	.nwe_pulse		= 60,
+
+	.read_cycle		= 115,
+	.write_cycle		= 100,
+};
+
+static struct smc_config flash_config __initdata = {
+	.bus_width		= 2,
+	.nrd_controlled		= 1,
+	.nwe_controlled		= 1,
+	.byte_write		= 1,
+};
+
+/* system flash definition */
+
+static struct mtd_partition flash_parts_system[] = {
+	{
+		.name           = "u-boot",
+		.offset         = 0x00000000,
+		.size           = 0x00020000,           /* 128 KiB */
+		.mask_flags     = MTD_WRITEABLE,
+	},
+	{
+		.name           = "root",
+		.offset         = 0x00020000,
+		.size           = 0x007c0000,
+	},
+	{
+		.name		= "splash",
+		.offset		= 0x007e0000,
+		.size		= 0x00010000,		/* 64KiB */
+	},
+	{
+		.name           = "env",
+		.offset         = 0x007f0000,
+		.size           = 0x00010000,
+		.mask_flags     = MTD_WRITEABLE,
+	},
+};
+
+static struct physmap_flash_data flash_system = {
+	.width		= 2,
+	.nr_parts	= ARRAY_SIZE(flash_parts_system),
+	.parts		= flash_parts_system,
+};
+
+static struct resource flash_resource_system = {
+	.start		= 0x00000000,
+	.end		= 0x007fffff,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device_system = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.resource	= &flash_resource_system,
+	.num_resources	= 1,
+	.dev		= {
+		.platform_data = &flash_system,
+	},
+};
+
+/* data flash definition */
+
+static struct mtd_partition flash_parts_data[] = {
+	{
+		.name		= "data",
+		.offset		= 0x00000000,
+		.size		= 0x00800000,
+	},
+};
+
+static struct physmap_flash_data flash_data = {
+	.width		= 2,
+	.nr_parts	= ARRAY_SIZE(flash_parts_data),
+	.parts		= flash_parts_data,
+};
+
+static struct resource flash_resource_data = {
+	.start		= 0x08000000,
+	.end		= 0x087fffff,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device_data = {
+	.name		= "physmap-flash",
+	.id		= 1,
+	.resource	= &flash_resource_data,
+	.num_resources	= 1,
+	.dev		= {
+		.platform_data = &flash_data,
+	},
+};
+
+/* This needs to be called after the SMC has been initialized */
+static int __init mimc200_flash_init(void)
+{
+	int ret;
+
+	smc_set_timing(&flash_config, &flash_timing);
+	ret = smc_set_configuration(0, &flash_config);
+	if (ret < 0) {
+		printk(KERN_ERR "mimc200: failed to set 'System' NOR flash timing\n");
+		return ret;
+	}
+	ret = smc_set_configuration(1, &flash_config);
+	if (ret < 0) {
+		printk(KERN_ERR "mimc200: failed to set 'Data' NOR flash timing\n");
+		return ret;
+	}
+
+	platform_device_register(&flash_device_system);
+	platform_device_register(&flash_device_data);
+
+	return 0;
+}
+device_initcall(mimc200_flash_init);

arch/avr32/boards/mimc200/fram.c

+/*
+ * FRAM driver for MIMC200 board
+ *
+ * Copyright 2008 Mark Jackson <mpfj@mimc.co.uk>
+ *
+ * This module adds *very* simply support for the system's FRAM device.
+ * At the moment, this is hard-coded to the MIMC200 platform, and only
+ * supports mmap().
+ */
+
+#define FRAM_VERSION	"1.0"
+
+#include <linux/miscdevice.h>
+#include <linux/proc_fs.h>
+#include <linux/mm.h>
+#include <linux/io.h>
+
+#define FRAM_BASE	0xac000000
+#define FRAM_SIZE	0x20000
+
+/*
+ * The are the file operation function for user access to /dev/fram
+ */
+
+static int fram_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	int ret;
+
+	ret = remap_pfn_range(vma,
+		vma->vm_start,
+		virt_to_phys((void *)((unsigned long)FRAM_BASE)) >> PAGE_SHIFT,
+		vma->vm_end-vma->vm_start,
+		PAGE_SHARED);
+
+	if (ret != 0)
+		return -EAGAIN;
+
+	return 0;
+}
+
+static const struct file_operations fram_fops = {
+	.owner			= THIS_MODULE,
+	.mmap			= fram_mmap,
+};
+
+#define FRAM_MINOR	0
+
+static struct miscdevice fram_dev = {
+	FRAM_MINOR,
+	"fram",
+	&fram_fops
+};
+
+static int __init
+fram_init(void)
+{
+	int ret;
+
+	ret = misc_register(&fram_dev);
+	if (ret) {
+		printk(KERN_ERR "fram: can't misc_register on minor=%d\n",
+		    FRAM_MINOR);
+		return ret;
+	}
+	printk(KERN_INFO "FRAM memory driver v" FRAM_VERSION "\n");
+	return 0;
+}
+
+static void __exit
+fram_cleanup_module(void)
+{
+	misc_deregister(&fram_dev);
+}
+
+module_init(fram_init);
+module_exit(fram_cleanup_module);
+
+MODULE_LICENSE("GPL");
+
+MODULE_ALIAS_MISCDEV(FRAM_MINOR);

arch/avr32/boards/mimc200/setup.c

+/*
+ * Board-specific setup code for the MIMC200
+ *
+ * Copyright (C) 2008 Mercury IMC Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+extern struct atmel_lcdfb_info mimc200_lcdc_data;
+
+#include <linux/clk.h>
+#include <linux/etherdevice.h>
+#include <linux/i2c-gpio.h>
+#include <linux/init.h>
+#include <linux/linkage.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/leds.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/eeprom.h>
+
+#include <video/atmel_lcdc.h>
+#include <linux/fb.h>
+
+#include <asm/atmel-mci.h>
+#include <linux/io.h>
+#include <asm/setup.h>
+
+#include <mach/at32ap700x.h>
+#include <mach/board.h>
+#include <mach/init.h>
+#include <mach/portmux.h>
+
+/* Oscillator frequencies. These are board-specific */
+unsigned long at32_board_osc_rates[3] = {
+	[0] = 32768,	/* 32.768 kHz on RTC osc */
+	[1] = 10000000,	/* 10 MHz on osc0 */
+	[2] = 12000000,	/* 12 MHz on osc1 */
+};
+
+/* Initialized by bootloader-specific startup code. */
+struct tag *bootloader_tags __initdata;
+
+static struct fb_videomode __initdata tx14d14_modes[] = {
+	{
+		.name		= "640x480 @ 60",
+		.refresh	= 60,
+		.xres		= 640,		.yres		= 480,
+		.pixclock	= KHZ2PICOS(11666),
+
+		.left_margin	= 80,		.right_margin	= 1,
+		.upper_margin	= 13,		.lower_margin	= 2,
+		.hsync_len	= 64,		.vsync_len	= 1,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs __initdata mimc200_default_monspecs = {
+	.manufacturer		= "HIT",
+	.monitor		= "TX14D14VM1BAB",
+	.modedb			= tx14d14_modes,
+	.modedb_len		= ARRAY_SIZE(tx14d14_modes),
+	.hfmin			= 14820,
+	.hfmax			= 22230,
+	.vfmin			= 60,
+	.vfmax			= 73.3,
+	.dclkmax		= 25200000,
+};
+
+struct atmel_lcdfb_info __initdata mimc200_lcdc_data = {
+	.default_bpp		= 16,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_INVCLK
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &mimc200_default_monspecs,
+	.guard_time		= 2,
+};
+
+struct eth_addr {
+	u8 addr[6];
+};
+static struct eth_addr __initdata hw_addr[2];
+static struct eth_platform_data __initdata eth_data[2];
+
+static struct spi_eeprom eeprom_25lc010 = {
+		.name = "25lc010",
+		.byte_len = 128,
+		.page_size = 16,
+		.flags = EE_ADDR1,
+};
+
+static struct spi_board_info spi0_board_info[] __initdata = {
+	{
+		.modalias	= "rtc-ds1390",
+		.max_speed_hz	= 4000000,
+		.chip_select	= 2,
+	},
+	{
+		.modalias	= "at25",
+		.max_speed_hz	= 1000000,
+		.chip_select	= 1,
+		.mode		= SPI_MODE_3,
+		.platform_data	= &eeprom_25lc010,
+	},
+};
+
+static struct mci_platform_data __initdata mci0_data = {
+	.slot[0] = {
+		.bus_width	= 4,
+		.detect_pin	= GPIO_PIN_PA(26),
+		.wp_pin		= GPIO_PIN_PA(27),
+	},
+};
+
+/*
+ * The next two functions should go away as the boot loader is
+ * supposed to initialize the macb address registers with a valid
+ * ethernet address. But we need to keep it around for a while until
+ * we can be reasonably sure the boot loader does this.
+ *
+ * The phy_id is ignored as the driver will probe for it.
+ */
+static int __init parse_tag_ethernet(struct tag *tag)
+{
+	int i;
+
+	i = tag->u.ethernet.mac_index;
+	if (i < ARRAY_SIZE(hw_addr))
+		memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address,
+		       sizeof(hw_addr[i].addr));
+
+	return 0;
+}
+__tagtable(ATAG_ETHERNET, parse_tag_ethernet);
+
+static void __init set_hw_addr(struct platform_device *pdev)
+{
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	const u8 *addr;
+	void __iomem *regs;
+	struct clk *pclk;
+
+	if (!res)
+		return;
+	if (pdev->id >= ARRAY_SIZE(hw_addr))
+		return;
+
+	addr = hw_addr[pdev->id].addr;
+	if (!is_valid_ether_addr(addr))
+		return;
+
+	/*
+	 * Since this is board-specific code, we'll cheat and use the
+	 * physical address directly as we happen to know that it's
+	 * the same as the virtual address.
+	 */
+	regs = (void __iomem __force *)res->start;
+	pclk = clk_get(&pdev->dev, "pclk");
+	if (!pclk)
+		return;
+
+	clk_enable(pclk);
+	__raw_writel((addr[3] << 24) | (addr[2] << 16)
+		     | (addr[1] << 8) | addr[0], regs + 0x98);
+	__raw_writel((addr[5] << 8) | addr[4], regs + 0x9c);
+	clk_disable(pclk);
+	clk_put(pclk);
+}
+
+void __init setup_board(void)
+{
+	at32_map_usart(0, 0);	/* USART 0: /dev/ttyS0 (TTL --> Altera) */
+	at32_map_usart(1, 1);	/* USART 1: /dev/ttyS1 (RS232) */
+	at32_map_usart(2, 2);	/* USART 2: /dev/ttyS2 (RS485) */
+	at32_map_usart(3, 3);	/* USART 3: /dev/ttyS3 (RS422 Multidrop) */
+}
+
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+	.sda_pin		= GPIO_PIN_PA(6),
+	.scl_pin		= GPIO_PIN_PA(7),
+	.sda_is_open_drain	= 1,
+	.scl_is_open_drain	= 1,
+	.udelay			= 2,	/* close to 100 kHz */
+};
+
+static struct platform_device i2c_gpio_device = {
+	.name		= "i2c-gpio",
+	.id		= 0,
+	.dev		= {
+	.platform_data	= &i2c_gpio_data,
+	},
+};
+
+static struct i2c_board_info __initdata i2c_info[] = {
+};
+
+static int __init mimc200_init(void)
+{
+	/*
+	 * MIMC200 uses 16-bit SDRAM interface, so we don't need to
+	 * reserve any pins for it.
+	 */
+
+	at32_add_system_devices();
+
+	at32_add_device_usart(0);
+	at32_add_device_usart(1);
+	at32_add_device_usart(2);
+	at32_add_device_usart(3);
+
+	set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
+	set_hw_addr(at32_add_device_eth(1, &eth_data[1]));
+
+	at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+	at32_add_device_mci(0, &mci0_data);
+	at32_add_device_usba(0, NULL);
+
+	at32_select_periph(GPIO_PIOB_BASE, 1 << 28, 0, AT32_GPIOF_PULLUP);
+	at32_select_gpio(i2c_gpio_data.sda_pin,
+		AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+	at32_select_gpio(i2c_gpio_data.scl_pin,
+		AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+	platform_device_register(&i2c_gpio_device);
+	i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
+
+	at32_add_device_lcdc(0, &mimc200_lcdc_data,
+			     fbmem_start, fbmem_size, 1);
+
+	return 0;
+}
+postcore_initcall(mimc200_init);

arch/avr32/mach-at32ap/cpufreq.c

@@ -40,6 +40,9 @@ static unsigned int at32_get_speed(unsigned int cpu)
 	return (unsigned int)((clk_get_rate(cpuclk) + 500) / 1000);
 }
 
+static unsigned int	ref_freq;
+static unsigned long	loops_per_jiffy_ref;
+
 static int at32_set_target(struct cpufreq_policy *policy,
 			  unsigned int target_freq,
 			  unsigned int relation)
@@ -61,8 +64,19 @@ static int at32_set_target(struct cpufreq_policy *policy,
 	freqs.cpu = 0;
 	freqs.flags = 0;
 
+	if (!ref_freq) {
+		ref_freq = freqs.old;
+		loops_per_jiffy_ref = boot_cpu_data.loops_per_jiffy;
+	}
+
 	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+	if (freqs.old < freqs.new)
+		boot_cpu_data.loops_per_jiffy = cpufreq_scale(
+				loops_per_jiffy_ref, ref_freq, freqs.new);
 	clk_set_rate(cpuclk, freq);
+	if (freqs.new < freqs.old)
+		boot_cpu_data.loops_per_jiffy = cpufreq_scale(
+				loops_per_jiffy_ref, ref_freq, freqs.new);
 	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 
 	pr_debug("cpufreq: set frequency %lu Hz\n", freq);