Merge branch 'linus' into cpus4096

9 files changed, 197 insertions, 64 deletions

diff --git a/arch/avr32/boards/atstk1000/Kconfig b/arch/avr32/boards/atstk1000/Kconfig
index af90b00100f..8dc48214f0b 100644
--- a/arch/avr32/boards/atstk1000/Kconfig
+++ b/arch/avr32/boards/atstk1000/Kconfig
@@ -18,6 +18,10 @@ config BOARD_ATSTK1004
 	bool "ATSTK1004"
 	select CPU_AT32AP7002
 
+config BOARD_ATSTK1006
+	bool "ATSTK1006"
+	select CPU_AT32AP7000
+
 endchoice
 
 
diff --git a/arch/avr32/boards/atstk1000/Makefile b/arch/avr32/boards/atstk1000/Makefile
index beead86462e..edecee03742 100644
--- a/arch/avr32/boards/atstk1000/Makefile
+++ b/arch/avr32/boards/atstk1000/Makefile
@@ -2,3 +2,4 @@ obj-y				+= setup.o flash.o
 obj-$(CONFIG_BOARD_ATSTK1002)	+= atstk1002.o
 obj-$(CONFIG_BOARD_ATSTK1003)	+= atstk1003.o
 obj-$(CONFIG_BOARD_ATSTK1004)	+= atstk1004.o
+obj-$(CONFIG_BOARD_ATSTK1006)	+= atstk1002.o
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index e11659b732f..8538ba75ef9 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -1,7 +1,7 @@
 /*
- * ATSTK1002 daughterboard-specific init code
+ * ATSTK1002/ATSTK1006 daughterboard-specific init code
  *
- * Copyright (C) 2005-2006 Atmel Corporation
+ * Copyright (C) 2005-2007 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
@@ -21,6 +21,8 @@
 
 #include <asm/io.h>
 #include <asm/setup.h>
+#include <asm/atmel-mci.h>
+
 #include <asm/arch/at32ap700x.h>
 #include <asm/arch/board.h>
 #include <asm/arch/init.h>
@@ -35,6 +37,74 @@ unsigned long at32_board_osc_rates[3] = {
 	[2] = 12000000,	/* 12 MHz on osc1 */
 };
 
+/*
+ * The ATSTK1006 daughterboard is very similar to the ATSTK1002. Both
+ * have the AT32AP7000 chip on board; the difference is that the
+ * STK1006 has 128 MB SDRAM (the STK1002 uses the 8 MB SDRAM chip on
+ * the STK1000 motherboard) and 256 MB NAND flash (the STK1002 has
+ * none.)
+ *
+ * The RAM difference is handled by the boot loader, so the only
+ * difference we end up handling here is the NAND flash.
+ */
+#ifdef CONFIG_BOARD_ATSTK1006
+#include <linux/mtd/partitions.h>
+#include <asm/arch/smc.h>
+
+static struct smc_timing nand_timing __initdata = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 10,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 10,
+
+	.ncs_read_pulse		= 30,
+	.nrd_pulse		= 15,
+	.ncs_write_pulse	= 30,
+	.nwe_pulse		= 15,
+
+	.read_cycle		= 30,
+	.write_cycle		= 30,
+
+	.ncs_read_recover	= 0,
+	.nrd_recover		= 15,
+	.ncs_write_recover	= 0,
+	/* WE# high -> RE# low min 60 ns */
+	.nwe_recover		= 50,
+};
+
+static struct smc_config nand_config __initdata = {
+	.bus_width		= 1,
+	.nrd_controlled		= 1,
+	.nwe_controlled		= 1,
+	.nwait_mode		= 0,
+	.byte_write		= 0,
+	.tdf_cycles		= 2,
+	.tdf_mode		= 0,
+};
+
+static struct mtd_partition nand_partitions[] = {
+	{
+		.name		= "main",
+		.offset		= 0x00000000,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct mtd_partition *nand_part_info(int size, int *num_partitions)
+{
+	*num_partitions = ARRAY_SIZE(nand_partitions);
+	return nand_partitions;
+}
+
+struct atmel_nand_data atstk1006_nand_data __initdata = {
+	.cle		= 21,
+	.ale		= 22,
+	.rdy_pin	= GPIO_PIN_PB(30),
+	.enable_pin	= GPIO_PIN_PB(29),
+	.partition_info	= nand_part_info,
+};
+#endif
+
 struct eth_addr {
 	u8 addr[6];
 };
@@ -192,6 +262,21 @@ void __init setup_board(void)
 	at32_setup_serial_console(0);
 }
 
+#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
+
+/* MMC card detect requires MACB0 *NOT* be used */
+#ifdef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM
+static struct mci_platform_data __initdata mci0_data = {
+	.detect_pin	= GPIO_PIN_PC(14),	/* gpio30/sdcd */
+	.wp_pin		= GPIO_PIN_PC(15),	/* gpio31/sdwp */
+};
+#define MCI_PDATA	&mci0_data
+#else
+#define MCI_PDATA	NULL
+#endif	/* SW6 for sd{cd,wp} routing */
+
+#endif	/* SW2 for MMC signal routing */
+
 static int __init atstk1002_init(void)
 {
 	/*
@@ -218,6 +303,12 @@ static int __init atstk1002_init(void)
 
 	at32_add_system_devices();
 
+#ifdef CONFIG_BOARD_ATSTK1006
+	smc_set_timing(&nand_config, &nand_timing);
+	smc_set_configuration(3, &nand_config);
+	at32_add_device_nand(0, &atstk1006_nand_data);
+#endif
+
 #ifdef	CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
 	at32_add_device_usart(1);
 #else
@@ -235,7 +326,7 @@ static int __init atstk1002_init(void)
 	at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
 #endif
 #ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
-	at32_add_device_mci(0, NULL);
+	at32_add_device_mci(0, MCI_PDATA);
 #endif
 #ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM
 	set_hw_addr(at32_add_device_eth(1, &eth_data[1]));
diff --git a/arch/avr32/boards/atstk1000/atstk1003.c b/arch/avr32/boards/atstk1000/atstk1003.c
index ea109f435a8..591fc73b554 100644
--- a/arch/avr32/boards/atstk1000/atstk1003.c
+++ b/arch/avr32/boards/atstk1000/atstk1003.c
@@ -154,7 +154,7 @@ static int __init atstk1003_init(void)
 	at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
 #endif
 #ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
-	at32_add_device_mci(0);
+	at32_add_device_mci(0, NULL);
 #endif
 	at32_add_device_usba(0, NULL);
 #ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM
diff --git a/arch/avr32/boards/atstk1000/atstk1004.c b/arch/avr32/boards/atstk1000/atstk1004.c
index c7236df74d7..d9c5e0a2125 100644
--- a/arch/avr32/boards/atstk1000/atstk1004.c
+++ b/arch/avr32/boards/atstk1000/atstk1004.c
@@ -137,7 +137,7 @@ static int __init atstk1004_init(void)
 	at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
 #endif
 #ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
-	at32_add_device_mci(0);
+	at32_add_device_mci(0, NULL);
 #endif
 	at32_add_device_lcdc(0, &atstk1000_lcdc_data,
 			     fbmem_start, fbmem_size, 0);
diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c
index abd954fb7ba..7e7f32771ae 100644
--- a/arch/avr32/kernel/time.c
+++ b/arch/avr32/kernel/time.c
@@ -43,6 +43,9 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 {
 	struct clock_event_device *evdev = dev_id;
 
+	if (unlikely(!(intc_get_pending(0) & 1)))
+		return IRQ_NONE;
+
 	/*
 	 * Disable the interrupt until the clockevent subsystem
 	 * reprograms it.
@@ -55,7 +58,8 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 
 static struct irqaction timer_irqaction = {
 	.handler	= timer_interrupt,
-	.flags		= IRQF_TIMER | IRQF_DISABLED,
+	/* Oprofile uses the same irq as the timer, so allow it to be shared */
+	.flags		= IRQF_TIMER | IRQF_DISABLED | IRQF_SHARED,
 	.name		= "avr32_comparator",
 };
 
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 604f44f5dd1..1617048c86c 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/usb/atmel_usba_udc.h>
 
@@ -1285,7 +1286,6 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 {
 	struct mci_platform_data	_data;
 	struct platform_device		*pdev;
-	struct dw_dma_slave		*dws;
 
 	if (id != 0)
 		return NULL;
@@ -1300,7 +1300,9 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 
 	if (!data) {
 		data = &_data;
-		memset(data, 0, sizeof(struct mci_platform_data));
+		memset(data, -1, sizeof(struct mci_platform_data));
+		data->detect_pin = GPIO_PIN_NONE;
+		data->wp_pin = GPIO_PIN_NONE;
 	}
 
 	if (platform_device_add_data(pdev, data,
@@ -1314,12 +1316,10 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 	select_peripheral(PA(14), PERIPH_A, 0);	/* DATA2 */
 	select_peripheral(PA(15), PERIPH_A, 0);	/* DATA3 */
 
-	if (data) {
-		if (data->detect_pin != GPIO_PIN_NONE)
-			at32_select_gpio(data->detect_pin, 0);
-		if (data->wp_pin != GPIO_PIN_NONE)
-			at32_select_gpio(data->wp_pin, 0);
-	}
+	if (gpio_is_valid(data->detect_pin))
+		at32_select_gpio(data->detect_pin, 0);
+	if (gpio_is_valid(data->wp_pin))
+		at32_select_gpio(data->wp_pin, 0);
 
 	atmel_mci0_pclk.dev = &pdev->dev;
 
@@ -1853,11 +1853,11 @@ at32_add_device_cf(unsigned int id, unsigned int extint,
 	if (at32_init_ide_or_cf(pdev, data->cs, extint))
 		goto fail;
 
-	if (data->detect_pin != GPIO_PIN_NONE)
+	if (gpio_is_valid(data->detect_pin))
 		at32_select_gpio(data->detect_pin, AT32_GPIOF_DEGLITCH);
-	if (data->reset_pin != GPIO_PIN_NONE)
+	if (gpio_is_valid(data->reset_pin))
 		at32_select_gpio(data->reset_pin, 0);
-	if (data->vcc_pin != GPIO_PIN_NONE)
+	if (gpio_is_valid(data->vcc_pin))
 		at32_select_gpio(data->vcc_pin, 0);
 	/* READY is used as extint, so we can't select it as gpio */
 
@@ -1871,6 +1871,58 @@ fail:
 #endif
 
 /* --------------------------------------------------------------------
+ * NAND Flash / SmartMedia
+ * -------------------------------------------------------------------- */
+static struct resource smc_cs3_resource[] __initdata = {
+	{
+		.start	= 0x0c000000,
+		.end	= 0x0fffffff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= 0xfff03c00,
+		.end	= 0xfff03fff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+struct platform_device *__init
+at32_add_device_nand(unsigned int id, struct atmel_nand_data *data)
+{
+	struct platform_device *pdev;
+
+	if (id != 0 || !data)
+		return NULL;
+
+	pdev = platform_device_alloc("atmel_nand", id);
+	if (!pdev)
+		goto fail;
+
+	if (platform_device_add_resources(pdev, smc_cs3_resource,
+				ARRAY_SIZE(smc_cs3_resource)))
+		goto fail;
+
+	if (platform_device_add_data(pdev, data,
+				sizeof(struct atmel_nand_data)))
+		goto fail;
+
+	set_ebi_sfr_bits(HMATRIX_BIT(CS3A));
+	if (data->enable_pin)
+		at32_select_gpio(data->enable_pin,
+				AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+	if (data->rdy_pin)
+		at32_select_gpio(data->rdy_pin, 0);
+	if (data->det_pin)
+		at32_select_gpio(data->det_pin, 0);
+
+	platform_device_add(pdev);
+	return pdev;
+
+fail:
+	platform_device_put(pdev);
+	return NULL;
+}
+
+/* --------------------------------------------------------------------
  * AC97C
  * -------------------------------------------------------------------- */
 static struct resource atmel_ac97c0_resource[] __initdata = {
@@ -1885,9 +1937,11 @@ static struct clk atmel_ac97c0_pclk = {
 	.index		= 10,
 };
 
-struct platform_device *__init at32_add_device_ac97c(unsigned int id)
+struct platform_device *__init
+at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data)
 {
 	struct platform_device *pdev;
+	struct ac97c_platform_data _data;
 
 	if (id != 0)
 		return NULL;
@@ -1898,19 +1952,37 @@ struct platform_device *__init at32_add_device_ac97c(unsigned int id)
 
 	if (platform_device_add_resources(pdev, atmel_ac97c0_resource,
 				ARRAY_SIZE(atmel_ac97c0_resource)))
-		goto err_add_resources;
+		goto fail;
 
-	select_peripheral(PB(20), PERIPH_B, 0);	/* SYNC	*/
-	select_peripheral(PB(21), PERIPH_B, 0);	/* SDO	*/
-	select_peripheral(PB(22), PERIPH_B, 0);	/* SDI	*/
-	select_peripheral(PB(23), PERIPH_B, 0);	/* SCLK	*/
+	if (!data) {
+		data = &_data;
+		memset(data, 0, sizeof(struct ac97c_platform_data));
+		data->reset_pin = GPIO_PIN_NONE;
+	}
+
+	data->dma_rx_periph_id = 3;
+	data->dma_tx_periph_id = 4;
+	data->dma_controller_id = 0;
+
+	if (platform_device_add_data(pdev, data,
+				sizeof(struct ac97c_platform_data)))
+		goto fail;
+
+	select_peripheral(PB(20), PERIPH_B, 0);	/* SDO	*/
+	select_peripheral(PB(21), PERIPH_B, 0);	/* SYNC	*/
+	select_peripheral(PB(22), PERIPH_B, 0);	/* SCLK	*/
+	select_peripheral(PB(23), PERIPH_B, 0);	/* SDI	*/
+
+	/* TODO: gpio_is_valid(data->reset_pin) with kernel 2.6.26. */
+	if (data->reset_pin != GPIO_PIN_NONE)
+		at32_select_gpio(data->reset_pin, 0);
 
 	atmel_ac97c0_pclk.dev = &pdev->dev;
 
 	platform_device_add(pdev);
 	return pdev;
 
-err_add_resources:
+fail:
 	platform_device_put(pdev);
 	return NULL;
 }
diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c
index fa427ed4278..b2d9bc61a35 100644
--- a/arch/avr32/mach-at32ap/hsmc.c
+++ b/arch/avr32/mach-at32ap/hsmc.c
@@ -278,4 +278,4 @@ static int __init hsmc_init(void)
 {
 	return platform_driver_register(&hsmc_driver);
 }
-arch_initcall(hsmc_init);
+core_initcall(hsmc_init);
diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
index 3c85fdaa948..fa92ff6d95f 100644
--- a/arch/avr32/mm/init.c
+++ b/arch/avr32/mm/init.c
@@ -38,45 +38,6 @@ EXPORT_SYMBOL(empty_zero_page);
  */
 unsigned long mmu_context_cache = NO_CONTEXT;
 
-void show_mem(void)
-{
-	int total = 0, reserved = 0, cached = 0;
-	int slab = 0, free = 0, shared = 0;
-	pg_data_t *pgdat;
-
-	printk("Mem-info:\n");
-	show_free_areas();
-
-	for_each_online_pgdat(pgdat) {
-		struct page *page, *end;
-
-		page = pgdat->node_mem_map;
-		end = page + pgdat->node_spanned_pages;
-
-		do {
-			total++;
-			if (PageReserved(page))
-				reserved++;
-			else if (PageSwapCache(page))
-				cached++;
-			else if (PageSlab(page))
-				slab++;
-			else if (!page_count(page))
-				free++;
-			else
-				shared += page_count(page) - 1;
-			page++;
-		} while (page < end);
-	}
-
-	printk ("%d pages of RAM\n", total);
-	printk ("%d free pages\n", free);
-	printk ("%d reserved pages\n", reserved);
-	printk ("%d slab pages\n", slab);
-	printk ("%d pages shared\n", shared);
-	printk ("%d pages swap cached\n", cached);
-}
-
 /*
  * paging_init() sets up the page tables
  *