GIT dd87012ee97e5a6d55669a6d28cb29d1f4f8c2c8 git+ssh://master.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6.git#avr32-arch

commit 
Author: Matteo Vit <matteo.vit@dave.eu>
Date:   Wed Aug 29 10:19:40 2007 +0200

    [AVR32] fix command line parsing in early_parse_fbmem
    
    Signed-off-by: Matteo Vit - Dave S.r.l. <matteo.vit@dave.eu>
    Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

commit 7e9f9fb64a524dcd2b7ffc990d081efd72cc0413
Author: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
Date:   Mon Jul 16 16:13:33 2007 +0200

    [AVR32] Wire up AT73C213 sound driver on ATSTK1000 board
    
    Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
    Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

commit 97367694b5ab6bd27f83776631d8be4d2ba14074
Author: Haavard Skinnemoen <hskinnemoen@atmel.com>
Date:   Wed Jan 4 16:58:49 2006 +0100

    [PATCH] AVR32 checkstack support
    
    Add regexes to recognize stack frame adjustments in AVR32 code.
    
    Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

commit dc670f99f755fd109665e937c4961d4645abe363
Author: Haavard Skinnemoen <hskinnemoen@atmel.com>
Date:   Thu Jun 14 17:37:31 2007 +0200

    [AVR32] Wire up USBA device
    
    Implement at32_add_device_usba() and use it to wire up the USBA device
    on ATSTK1000 and ATNGW100.
    
    Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

commit b30ecdd72e33705d1609c82a22748283de372043
Author: Matteo Vit <matteo.vit@dave.eu>
Date:   Thu Aug 9 14:55:34 2007 +0200

    [AVR32] add multidrive support for pio driver
    
    This patch add multidrive support for pio driver
    
    Signed-off-by: Matteo Vit - Dave S.r.l. <matteo.vit@dave.eu>
    Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

commit bfbb3b31d814ee428f975fa06e157029f3fe0fd2
Author: David Brownell <david-b@pacbell.net>
Date:   Thu Aug 9 20:56:07 2007 -0700

    [AVR32] /sys/kernel/debug/at32ap_clk
    
    When debugfs is available, /sys/kernel/debug/at32ap_clk will provide a
    dump of the power manager registers and of the current clock tree.  This
    can help sorting out various surprises, and when making runtime PM work.
    
    Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
    Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

commit ac1f044c2fe08ec3bc8c4c43de18beb34ccc9262
Author: Haavard Skinnemoen <hskinnemoen@atmel.com>
Date:   Thu Aug 16 11:12:47 2007 +0200

    [AVR32] Move AT32_PM_BASE definition into pm.h
    
    We don't want to redefine this in every file that needs to access
    the PM.
    
    Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
 arch/avr32/boards/atngw100/setup.c      |    1 
 arch/avr32/boards/atstk1000/atstk1002.c |   59 ++++++++++++++++
 arch/avr32/kernel/setup.c               |    2 -
 arch/avr32/mach-at32ap/at32ap7000.c     |   76 +++++++++++++++++++-
 arch/avr32/mach-at32ap/clock.c          |  116 +++++++++++++++++++++++++++++++
 arch/avr32/mach-at32ap/pio.c            |    4 +
 arch/avr32/mach-at32ap/pm.h             |    8 ++
 include/asm-avr32/arch-at32ap/board.h   |    8 ++
 include/asm-avr32/arch-at32ap/portmux.h |    1 
 scripts/checkstack.pl                   |    5 +
 10 files changed, 273 insertions(+), 7 deletions(-)

diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
index ef80156..6e180f4 100644
--- a/arch/avr32/boards/atngw100/setup.c
+++ b/arch/avr32/boards/atngw100/setup.c
@@ -154,6 +154,7 @@ static int __init atngw100_init(void)
 	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_usba(0, NULL);
 
 	for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) {
 		at32_select_gpio(ngw_leds[i].gpio,
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index c9981b7..5be0d13 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -16,6 +16,7 @@ #include <linux/platform_device.h>
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/spi/spi.h>
+#include <linux/spi/at73c213.h>
 
 #include <video/atmel_lcdc.h>
 
@@ -49,7 +50,26 @@ static struct eth_platform_data __initda
 };
 
 #ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
+static struct at73c213_board_info at73c213_data = {
+	.ssc_id		= 0,
+	.shortname	= "AVR32 STK1000 external DAC",
+};
+#endif
+#endif
+
+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
 static struct spi_board_info spi0_board_info[] __initdata = {
+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
+	{
+		/* AT73C213 */
+		.modalias	= "at73c213",
+		.max_speed_hz	= 200000,
+		.chip_select	= 0,
+		.mode		= SPI_MODE_1,
+		.platform_data	= &at73c213_data,
+	},
+#endif
 	{
 		/* QVGA display */
 		.modalias	= "ltv350qv",
@@ -180,6 +200,38 @@ static void setup_j2_leds(void)
 }
 #endif
 
+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
+static void __init at73c213_set_clk(struct at73c213_board_info *info)
+{
+	struct clk *gclk;
+	struct clk *pll;
+
+	gclk = clk_get(NULL, "gclk0");
+	if (IS_ERR(gclk))
+		goto err_gclk;
+	pll = clk_get(NULL, "pll0");
+	if (IS_ERR(pll))
+		goto err_pll;
+
+	if (clk_set_parent(gclk, pll)) {
+		pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n");
+		goto err_set_clk;
+	}
+
+	at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0);
+	info->dac_clk = gclk;
+
+err_set_clk:
+	clk_put(pll);
+err_pll:
+	clk_put(gclk);
+err_gclk:
+	return;
+}
+#endif
+#endif
+
 void __init setup_board(void)
 {
 #ifdef	CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
@@ -241,12 +293,19 @@ #else
 	at32_add_device_lcdc(0, &atstk1000_lcdc_data,
 			     fbmem_start, fbmem_size);
 #endif
+	at32_add_device_usba(0, NULL);
 #ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
 	at32_add_device_ssc(0, ATMEL_SSC_TX);
 #endif
 
 	setup_j2_leds();
 
+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
+	at73c213_set_clk(&at73c213_data);
+#endif
+#endif
+
 	return 0;
 }
 postcore_initcall(atstk1002_init);
diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
index d08b0bc..4b4c188 100644
--- a/arch/avr32/kernel/setup.c
+++ b/arch/avr32/kernel/setup.c
@@ -248,7 +248,7 @@ static int __init early_parse_fbmem(char
 
 	fbmem_size = memparse(p, &p);
 	if (*p == '@') {
-		fbmem_start = memparse(p, &p);
+		fbmem_start = memparse(p + 1, &p);
 		ret = add_reserved_region(fbmem_start,
 					  fbmem_start + fbmem_size - 1,
 					  "Framebuffer");
diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c
index 64cc558..bb289d6 100644
--- a/arch/avr32/mach-at32ap/at32ap7000.c
+++ b/arch/avr32/mach-at32ap/at32ap7000.c
@@ -25,12 +25,6 @@ #include "hmatrix.h"
 #include "pio.h"
 #include "pm.h"
 
-/*
- * We can reduce the code size a bit by using a constant here. Since
- * this file is completely chip-specific, it's safe to not use
- * ioremap. Generic drivers should of course never do this.
- */
-#define AT32_PM_BASE	0xfff00000
 
 #define PBMEM(base)					\
 	{						\
@@ -1168,6 +1162,74 @@ at32_add_device_ssc(unsigned int id, uns
 }
 
 /* --------------------------------------------------------------------
+ *  USB Device Controller
+ * -------------------------------------------------------------------- */
+static struct resource usba0_resource[] __initdata = {
+	{
+		.name		= "fifo",
+		.start		= 0xff300000,
+		.end		= 0xff3fffff,
+		.flags		= IORESOURCE_MEM,
+	}, {
+		.name		= "regs",
+		.start		= 0xfff03000,
+		.end		= 0xfff033ff,
+		.flags		= IORESOURCE_MEM,
+	},
+	IRQ(31),
+};
+static struct clk usba0_pclk = {
+	.name		= "pclk",
+	.parent		= &pbb_clk,
+	.mode		= pbb_clk_mode,
+	.get_rate	= pbb_clk_get_rate,
+	.index		= 12,
+};
+static struct clk usba0_hclk = {
+	.name		= "hclk",
+	.parent		= &hsb_clk,
+	.mode		= hsb_clk_mode,
+	.get_rate	= hsb_clk_get_rate,
+	.index		= 6,
+};
+
+struct platform_device *__init
+at32_add_device_usba(unsigned int id, struct usba_platform_data *data)
+{
+	struct platform_device *pdev;
+
+	if (id != 0)
+		return NULL;
+
+	pdev = platform_device_alloc("atmel_usba_udc", 0);
+	if (!pdev)
+		return NULL;
+
+	if (platform_device_add_resources(pdev, usba0_resource,
+					  ARRAY_SIZE(usba0_resource)))
+		goto out_free_pdev;
+
+	if (data) {
+		if (platform_device_add_data(pdev, data, sizeof(*data)))
+			goto out_free_pdev;
+
+		if (data->vbus_pin != GPIO_PIN_NONE)
+			at32_select_gpio(data->vbus_pin, 0);
+	}
+
+	usba0_pclk.dev = &pdev->dev;
+	usba0_hclk.dev = &pdev->dev;
+
+	platform_device_add(pdev);
+
+	return pdev;
+
+out_free_pdev:
+	platform_device_put(pdev);
+	return NULL;
+}
+
+/* --------------------------------------------------------------------
  *  GCLK
  * -------------------------------------------------------------------- */
 static struct clk gclk0 = {
@@ -1252,6 +1314,8 @@ struct clk *at32_clock_list[] = {
 	&ssc0_pclk,
 	&ssc1_pclk,
 	&ssc2_pclk,
+	&usba0_hclk,
+	&usba0_pclk,
 	&gclk0,
 	&gclk1,
 	&gclk2,
diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c
index 0f8c89c..4642117 100644
--- a/arch/avr32/mach-at32ap/clock.c
+++ b/arch/avr32/mach-at32ap/clock.c
@@ -150,3 +150,119 @@ struct clk *clk_get_parent(struct clk *c
 	return clk->parent;
 }
 EXPORT_SYMBOL(clk_get_parent);
+
+
+
+#ifdef CONFIG_DEBUG_FS
+
+/* /sys/kernel/debug/at32ap_clk */
+
+#include <linux/io.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include "pm.h"
+
+
+#define	NEST_DELTA	2
+#define	NEST_MAX	6
+
+struct clkinf {
+	struct seq_file	*s;
+	unsigned	nest;
+};
+
+static void
+dump_clock(struct clk *parent, struct clkinf *r)
+{
+	unsigned	nest = r->nest;
+	char		buf[16 + NEST_MAX];
+	struct clk	*clk;
+	unsigned	i;
+
+	/* skip clocks coupled to devices that aren't registered */
+	if (parent->dev && !parent->dev->bus_id[0] && !parent->users)
+		return;
+
+	/* <nest spaces> name <pad to end> */
+	memset(buf, ' ', sizeof(buf) - 1);
+	buf[sizeof(buf) - 1] = 0;
+	i = strlen(parent->name);
+	memcpy(buf + nest, parent->name,
+			min(i, (unsigned)(sizeof(buf) - 1 - nest)));
+
+	seq_printf(r->s, "%s%c users=%2d %-3s %9ld Hz",
+		buf, parent->set_parent ? '*' : ' ',
+		parent->users,
+		parent->users ? "on" : "off",	/* NOTE: not-paranoid!! */
+		clk_get_rate(parent));
+	if (parent->dev)
+		seq_printf(r->s, ", for %s", parent->dev->bus_id);
+	seq_printf(r->s, "\n");
+
+	/* cost of this scan is small, but not linear... */
+	r->nest = nest + NEST_DELTA;
+	for (i = 3; i < at32_nr_clocks; i++) {
+		clk = at32_clock_list[i];
+		if (clk->parent == parent)
+			dump_clock(clk, r);
+	}
+	r->nest = nest;
+}
+
+static int clk_show(struct seq_file *s, void *unused)
+{
+	struct clkinf	r;
+	int		i;
+
+	/* show all the power manager registers */
+	seq_printf(s, "MCCTRL  = %8x\n", pm_readl(MCCTRL));
+	seq_printf(s, "CKSEL   = %8x\n", pm_readl(CKSEL));
+	seq_printf(s, "CPUMASK = %8x\n", pm_readl(CPU_MASK));
+	seq_printf(s, "HSBMASK = %8x\n", pm_readl(HSB_MASK));
+	seq_printf(s, "PBAMASK = %8x\n", pm_readl(PBA_MASK));
+	seq_printf(s, "PBBMASK = %8x\n", pm_readl(PBB_MASK));
+	seq_printf(s, "PLL0    = %8x\n", pm_readl(PLL0));
+	seq_printf(s, "PLL1    = %8x\n", pm_readl(PLL1));
+	seq_printf(s, "IMR     = %8x\n", pm_readl(IMR));
+	for (i = 0; i < 8; i++) {
+		if (i == 5)
+			continue;
+		seq_printf(s, "GCCTRL%d = %8x\n", i, pm_readl(GCCTRL(i)));
+	}
+
+	seq_printf(s, "\n");
+
+	/* show clock tree as derived from the three oscillators
+	 * we "know" are at the head of the list
+	 */
+	r.s = s;
+	r.nest = 0;
+	dump_clock(at32_clock_list[0], &r);
+	dump_clock(at32_clock_list[1], &r);
+	dump_clock(at32_clock_list[2], &r);
+
+	return 0;
+}
+
+static int clk_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, clk_show, NULL);
+}
+
+static const struct file_operations clk_operations = {
+	.open		= clk_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init clk_debugfs_init(void)
+{
+	(void) debugfs_create_file("at32ap_clk", S_IFREG | S_IRUGO,
+			NULL, NULL, &clk_operations);
+
+	return 0;
+}
+postcore_initcall(clk_debugfs_init);
+
+#endif
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 1eb99b8..d61a02d 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -110,6 +110,10 @@ void __init at32_select_gpio(unsigned in
 			pio_writel(pio, SODR, mask);
 		else
 			pio_writel(pio, CODR, mask);
+		if (flags & AT32_GPIOF_MULTIDRV)
+			pio_writel(pio, MDER, mask);
+		else
+			pio_writel(pio, MDDR, mask);
 		pio_writel(pio, PUDR, mask);
 		pio_writel(pio, OER, mask);
 	} else {
diff --git a/arch/avr32/mach-at32ap/pm.h b/arch/avr32/mach-at32ap/pm.h
index a1f8ace..47efd0d 100644
--- a/arch/avr32/mach-at32ap/pm.h
+++ b/arch/avr32/mach-at32ap/pm.h
@@ -4,6 +4,14 @@
 #ifndef __ARCH_AVR32_MACH_AT32AP_PM_H__
 #define __ARCH_AVR32_MACH_AT32AP_PM_H__
 
+/*
+ * We can reduce the code size a bit by using a constant here. Since
+ * this file is only used on AVR32 AP CPUs with segmentation enabled,
+ * it's safe to not use ioremap. Generic drivers should of course
+ * never do this.
+ */
+#define AT32_PM_BASE	0xfff00000
+
 /* PM register offsets */
 #define PM_MCCTRL				0x0000
 #define PM_CKSEL				0x0004
diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h
index 0215965..7dbd603 100644
--- a/include/asm-avr32/arch-at32ap/board.h
+++ b/include/asm-avr32/arch-at32ap/board.h
@@ -6,6 +6,8 @@ #define __ASM_ARCH_BOARD_H
 
 #include <linux/types.h>
 
+#define GPIO_PIN_NONE	(-1)
+
 /* Add basic devices: system manager, interrupt controller, portmuxes, etc. */
 void at32_add_system_devices(void);
 
@@ -36,6 +38,12 @@ struct platform_device *
 at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
 		     unsigned long fbmem_start, unsigned long fbmem_len);
 
+struct usba_platform_data {
+	int vbus_pin;
+};
+struct platform_device *
+at32_add_device_usba(unsigned int id, struct usba_platform_data *data);
+
 /* depending on what's hooked up, not all SSC pins will be used */
 #define	ATMEL_SSC_TK		0x01
 #define	ATMEL_SSC_TF		0x02
diff --git a/include/asm-avr32/arch-at32ap/portmux.h b/include/asm-avr32/arch-at32ap/portmux.h
index 9930871..b1abe6b 100644
--- a/include/asm-avr32/arch-at32ap/portmux.h
+++ b/include/asm-avr32/arch-at32ap/portmux.h
@@ -19,6 +19,7 @@ #define AT32_GPIOF_PULLUP	0x00000001	/* 
 #define AT32_GPIOF_OUTPUT	0x00000002	/* (OUT) Enable output driver */
 #define AT32_GPIOF_HIGH		0x00000004	/* (OUT) Set output high */
 #define AT32_GPIOF_DEGLITCH	0x00000008	/* (IN) Filter glitches */
+#define AT32_GPIOF_MULTIDRV	0x00000010	/* Enable multidriver option */
 
 void at32_select_periph(unsigned int pin, unsigned int periph,
 			unsigned long flags);
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index f7844f6..6631586 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -12,6 +12,7 @@ #	Arm port by Holger Schurig
 #	sh64 port by Paul Mundt
 #	Random bits by Matt Mackall <mpm@selenic.com>
 #	M68k port by Geert Uytterhoeven and Andreas Schwab
+#	AVR32 port by Haavard Skinnemoen <hskinnemoen@atmel.com>
 #
 #	Usage:
 #	objdump -d vmlinux | stackcheck.pl [arch]
@@ -37,6 +38,10 @@ my (@stack, $re, $x, $xs);
 	if ($arch eq 'arm') {
 		#c0008ffc:	e24dd064	sub	sp, sp, #100	; 0x64
 		$re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
+	} elsif ($arch eq 'avr32') {
+		#8000008a:       20 1d           sub sp,4
+		#80000ca8:       fa cd 05 b0     sub sp,sp,1456
+		$re = qr/^.*sub.*sp.*,([0-9]{1,8})/o;
 	} elsif ($arch =~ /^i[3456]86$/) {
 		#c0105234:       81 ec ac 05 00 00       sub    $0x5ac,%esp
 		$re = qr/^.*[as][du][db]    \$(0x$x{1,8}),\%esp$/o;