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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-27 13:54:08 +0200
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-27 13:54:08 +0200
commiteda3d8f5604860aae1bb9996bb5efc4213778369 (patch)
tree9d3887d2665bcc5f5abf200758794545c7b2c69b /arch/avr32
parent87a9f704658a40940e740b1d73d861667e9164d3 (diff)
parent8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff)
downloadop-kernel-dev-eda3d8f5604860aae1bb9996bb5efc4213778369.zip
op-kernel-dev-eda3d8f5604860aae1bb9996bb5efc4213778369.tar.gz
Merge commit 'upstream/master'
Diffstat (limited to 'arch/avr32')
-rw-r--r--arch/avr32/Kconfig3
-rw-r--r--arch/avr32/boards/atstk1000/Kconfig4
-rw-r--r--arch/avr32/boards/atstk1000/Makefile1
-rw-r--r--arch/avr32/boards/atstk1000/atstk1002.c78
-rw-r--r--arch/avr32/kernel/cpu.c38
-rw-r--r--arch/avr32/kernel/process.c2
-rw-r--r--arch/avr32/kernel/stacktrace.c1
-rw-r--r--arch/avr32/mach-at32ap/at32ap700x.c79
-rw-r--r--arch/avr32/mach-at32ap/hsmc.c2
-rw-r--r--arch/avr32/mach-at32ap/pio.c2
-rw-r--r--arch/avr32/mm/init.c44
-rw-r--r--arch/avr32/mm/ioremap.c1
12 files changed, 182 insertions, 73 deletions
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 45d63c9..7c239a9 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -10,6 +10,7 @@ config AVR32
# With EMBEDDED=n, we get lots of stuff automatically selected
# that we usually don't need on AVR32.
select EMBEDDED
+ select HAVE_CLK
select HAVE_OPROFILE
select HAVE_KPROBES
help
@@ -87,7 +88,7 @@ config PLATFORM_AT32AP
select SUBARCH_AVR32B
select MMU
select PERFORMANCE_COUNTERS
- select HAVE_GPIO_LIB
+ select ARCH_REQUIRE_GPIOLIB
select GENERIC_ALLOCATOR
#
diff --git a/arch/avr32/boards/atstk1000/Kconfig b/arch/avr32/boards/atstk1000/Kconfig
index af90b00..8dc4821 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 beead86..edecee0 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 e11659b..14dc5a1 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
@@ -35,6 +35,74 @@ 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];
};
@@ -218,6 +286,12 @@ 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
diff --git a/arch/avr32/kernel/cpu.c b/arch/avr32/kernel/cpu.c
index b8409ca..e84faff 100644
--- a/arch/avr32/kernel/cpu.c
+++ b/arch/avr32/kernel/cpu.c
@@ -26,14 +26,16 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices);
* XXX: If/when a SMP-capable implementation of AVR32 will ever be
* made, we must make sure that the code executes on the correct CPU.
*/
-static ssize_t show_pc0event(struct sys_device *dev, char *buf)
+static ssize_t show_pc0event(struct sys_device *dev,
+ struct sysdev_attribute *attr, char *buf)
{
unsigned long pccr;
pccr = sysreg_read(PCCR);
return sprintf(buf, "0x%lx\n", (pccr >> 12) & 0x3f);
}
-static ssize_t store_pc0event(struct sys_device *dev, const char *buf,
+static ssize_t store_pc0event(struct sys_device *dev,
+ struct sysdev_attribute *attr, const char *buf,
size_t count)
{
unsigned long val;
@@ -46,15 +48,17 @@ static ssize_t store_pc0event(struct sys_device *dev, const char *buf,
sysreg_write(PCCR, val);
return count;
}
-static ssize_t show_pc0count(struct sys_device *dev, char *buf)
+static ssize_t show_pc0count(struct sys_device *dev,
+ struct sysdev_attribute *attr, char *buf)
{
unsigned long pcnt0;
pcnt0 = sysreg_read(PCNT0);
return sprintf(buf, "%lu\n", pcnt0);
}
-static ssize_t store_pc0count(struct sys_device *dev, const char *buf,
- size_t count)
+static ssize_t store_pc0count(struct sys_device *dev,
+ struct sysdev_attribute *attr,
+ const char *buf, size_t count)
{
unsigned long val;
char *endp;
@@ -67,14 +71,16 @@ static ssize_t store_pc0count(struct sys_device *dev, const char *buf,
return count;
}
-static ssize_t show_pc1event(struct sys_device *dev, char *buf)
+static ssize_t show_pc1event(struct sys_device *dev,
+ struct sysdev_attribute *attr, char *buf)
{
unsigned long pccr;
pccr = sysreg_read(PCCR);
return sprintf(buf, "0x%lx\n", (pccr >> 18) & 0x3f);
}
-static ssize_t store_pc1event(struct sys_device *dev, const char *buf,
+static ssize_t store_pc1event(struct sys_device *dev,
+ struct sysdev_attribute *attr, const char *buf,
size_t count)
{
unsigned long val;
@@ -87,14 +93,16 @@ static ssize_t store_pc1event(struct sys_device *dev, const char *buf,
sysreg_write(PCCR, val);
return count;
}
-static ssize_t show_pc1count(struct sys_device *dev, char *buf)
+static ssize_t show_pc1count(struct sys_device *dev,
+ struct sysdev_attribute *attr, char *buf)
{
unsigned long pcnt1;
pcnt1 = sysreg_read(PCNT1);
return sprintf(buf, "%lu\n", pcnt1);
}
-static ssize_t store_pc1count(struct sys_device *dev, const char *buf,
+static ssize_t store_pc1count(struct sys_device *dev,
+ struct sysdev_attribute *attr, const char *buf,
size_t count)
{
unsigned long val;
@@ -108,14 +116,16 @@ static ssize_t store_pc1count(struct sys_device *dev, const char *buf,
return count;
}
-static ssize_t show_pccycles(struct sys_device *dev, char *buf)
+static ssize_t show_pccycles(struct sys_device *dev,
+ struct sysdev_attribute *attr, char *buf)
{
unsigned long pccnt;
pccnt = sysreg_read(PCCNT);
return sprintf(buf, "%lu\n", pccnt);
}
-static ssize_t store_pccycles(struct sys_device *dev, const char *buf,
+static ssize_t store_pccycles(struct sys_device *dev,
+ struct sysdev_attribute *attr, const char *buf,
size_t count)
{
unsigned long val;
@@ -129,14 +139,16 @@ static ssize_t store_pccycles(struct sys_device *dev, const char *buf,
return count;
}
-static ssize_t show_pcenable(struct sys_device *dev, char *buf)
+static ssize_t show_pcenable(struct sys_device *dev,
+ struct sysdev_attribute *attr, char *buf)
{
unsigned long pccr;
pccr = sysreg_read(PCCR);
return sprintf(buf, "%c\n", (pccr & 1)?'1':'0');
}
-static ssize_t store_pcenable(struct sys_device *dev, const char *buf,
+static ssize_t store_pcenable(struct sys_device *dev,
+ struct sysdev_attribute *attr, const char *buf,
size_t count)
{
unsigned long pccr, val;
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index 6cf9df1..ff820a9 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -31,7 +31,7 @@ void cpu_idle(void)
{
/* endless idle loop with no priority at all */
while (1) {
- tick_nohz_stop_sched_tick();
+ tick_nohz_stop_sched_tick(1);
while (!need_resched())
cpu_idle_sleep();
tick_nohz_restart_sched_tick();
diff --git a/arch/avr32/kernel/stacktrace.c b/arch/avr32/kernel/stacktrace.c
index f4bdb44..c09f0d8 100644
--- a/arch/avr32/kernel/stacktrace.c
+++ b/arch/avr32/kernel/stacktrace.c
@@ -10,6 +10,7 @@
#include <linux/sched.h>
#include <linux/stacktrace.h>
#include <linux/thread_info.h>
+#include <linux/module.h>
register unsigned long current_frame_pointer asm("r7");
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 30c7cda..5f30b35 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -7,6 +7,7 @@
*/
#include <linux/clk.h>
#include <linux/delay.h>
+#include <linux/dw_dmac.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/platform_device.h>
@@ -594,6 +595,17 @@ static void __init genclk_init_parent(struct clk *clk)
clk->parent = parent;
}
+static struct dw_dma_platform_data dw_dmac0_data = {
+ .nr_channels = 3,
+};
+
+static struct resource dw_dmac0_resource[] = {
+ PBMEM(0xff200000),
+ IRQ(2),
+};
+DEFINE_DEV_DATA(dw_dmac, 0);
+DEV_CLK(hclk, dw_dmac0, hsb, 10);
+
/* --------------------------------------------------------------------
* System peripherals
* -------------------------------------------------------------------- */
@@ -708,17 +720,6 @@ static struct clk pico_clk = {
.users = 1,
};
-static struct resource dmaca0_resource[] = {
- {
- .start = 0xff200000,
- .end = 0xff20ffff,
- .flags = IORESOURCE_MEM,
- },
- IRQ(2),
-};
-DEFINE_DEV(dmaca, 0);
-DEV_CLK(hclk, dmaca0, hsb, 10);
-
/* --------------------------------------------------------------------
* HMATRIX
* -------------------------------------------------------------------- */
@@ -831,7 +832,7 @@ void __init at32_add_system_devices(void)
platform_device_register(&at32_eic0_device);
platform_device_register(&smc0_device);
platform_device_register(&pdc_device);
- platform_device_register(&dmaca0_device);
+ platform_device_register(&dw_dmac0_device);
platform_device_register(&at32_tcb0_device);
platform_device_register(&at32_tcb1_device);
@@ -1869,6 +1870,58 @@ 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 = {
@@ -2051,7 +2104,7 @@ struct clk *at32_clock_list[] = {
&smc0_mck,
&pdc_hclk,
&pdc_pclk,
- &dmaca0_hclk,
+ &dw_dmac0_hclk,
&pico_clk,
&pio0_mck,
&pio1_mck,
diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c
index fa427ed..b2d9bc6 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/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 60da03b..296294f 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -360,6 +360,8 @@ static int __init pio_probe(struct platform_device *pdev)
pio->chip.label = pio->name;
pio->chip.base = pdev->id * 32;
pio->chip.ngpio = 32;
+ pio->chip.dev = &pdev->dev;
+ pio->chip.owner = THIS_MODULE;
pio->chip.direction_input = direction_input;
pio->chip.get = gpio_get;
diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
index 3f90a87..fa92ff6 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
*
@@ -119,8 +80,7 @@ void __init paging_init(void)
unsigned long zones_size[MAX_NR_ZONES];
unsigned long low, start_pfn;
- start_pfn = pgdat->bdata->node_boot_start;
- start_pfn >>= PAGE_SHIFT;
+ start_pfn = pgdat->bdata->node_min_pfn;
low = pgdat->bdata->node_low_pfn;
memset(zones_size, 0, sizeof(zones_size));
@@ -129,7 +89,7 @@ void __init paging_init(void)
printk("Node %u: start_pfn = 0x%lx, low = 0x%lx\n",
nid, start_pfn, low);
- free_area_init_node(nid, pgdat, zones_size, start_pfn, NULL);
+ free_area_init_node(nid, zones_size, start_pfn, NULL);
printk("Node %u: mem_map starts at %p\n",
pgdat->node_id, pgdat->node_mem_map);
diff --git a/arch/avr32/mm/ioremap.c b/arch/avr32/mm/ioremap.c
index 3437c82..f03b79f 100644
--- a/arch/avr32/mm/ioremap.c
+++ b/arch/avr32/mm/ioremap.c
@@ -6,6 +6,7 @@
* published by the Free Software Foundation.
*/
#include <linux/vmalloc.h>
+#include <linux/mm.h>
#include <linux/module.h>
#include <linux/io.h>
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