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-rw-r--r--arch/avr32/Kconfig25
-rw-r--r--arch/avr32/boards/atngw100/setup.c31
-rw-r--r--arch/avr32/boards/atstk1000/Kconfig53
-rw-r--r--arch/avr32/boards/atstk1000/atstk1002.c50
-rw-r--r--arch/avr32/configs/atngw100_defconfig16
-rw-r--r--arch/avr32/kernel/ptrace.c13
-rw-r--r--arch/avr32/kernel/setup.c4
-rw-r--r--arch/avr32/kernel/traps.c3
-rw-r--r--arch/avr32/mach-at32ap/Makefile1
-rw-r--r--arch/avr32/mach-at32ap/at32ap.c31
-rw-r--r--arch/avr32/mach-at32ap/at32ap7000.c340
-rw-r--r--arch/avr32/mach-at32ap/cpufreq.c112
-rw-r--r--arch/avr32/mach-at32ap/extint.c200
-rw-r--r--arch/avr32/mach-at32ap/pm.h112
-rw-r--r--arch/avr32/mach-at32ap/sm.h242
-rw-r--r--arch/avr32/mm/fault.c23
16 files changed, 793 insertions, 463 deletions
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 3ec76586877..d12346aaa88 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -113,6 +113,10 @@ config BOARD_ATNGW100
bool "ATNGW100 Network Gateway"
endchoice
+if BOARD_ATSTK1000
+source "arch/avr32/boards/atstk1000/Kconfig"
+endif
+
choice
prompt "Boot loader type"
default LOADER_U_BOOT
@@ -185,6 +189,27 @@ config CMDLINE
endmenu
+menu "Power managment options"
+
+menu "CPU Frequency scaling"
+
+source "drivers/cpufreq/Kconfig"
+
+config CPU_FREQ_AT32AP
+ bool "CPU frequency driver for AT32AP"
+ depends on CPU_FREQ && PLATFORM_AT32AP
+ default n
+ help
+ This enables the CPU frequency driver for AT32AP processors.
+
+ For details, take a look in <file:Documentation/cpu-freq>.
+
+ If in doubt, say N.
+
+endmenu
+
+endmenu
+
menu "Bus options"
config PCI
diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
index 6c4dc0a00e9..2edcecdea8b 100644
--- a/arch/avr32/boards/atngw100/setup.c
+++ b/arch/avr32/boards/atngw100/setup.c
@@ -13,6 +13,7 @@
#include <linux/linkage.h>
#include <linux/platform_device.h>
#include <linux/types.h>
+#include <linux/leds.h>
#include <linux/spi/spi.h>
#include <asm/io.h>
@@ -21,6 +22,7 @@
#include <asm/arch/at32ap7000.h>
#include <asm/arch/board.h>
#include <asm/arch/init.h>
+#include <asm/arch/portmux.h>
/* Initialized by bootloader-specific startup code. */
struct tag *bootloader_tags __initdata;
@@ -100,8 +102,31 @@ void __init setup_board(void)
at32_setup_serial_console(0);
}
+static const struct gpio_led ngw_leds[] = {
+ { .name = "sys", .gpio = GPIO_PIN_PA(16), .active_low = 1,
+ .default_trigger = "heartbeat",
+ },
+ { .name = "a", .gpio = GPIO_PIN_PA(19), .active_low = 1, },
+ { .name = "b", .gpio = GPIO_PIN_PE(19), .active_low = 1, },
+};
+
+static const struct gpio_led_platform_data ngw_led_data = {
+ .num_leds = ARRAY_SIZE(ngw_leds),
+ .leds = (void *) ngw_leds,
+};
+
+static struct platform_device ngw_gpio_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = (void *) &ngw_led_data,
+ }
+};
+
static int __init atngw100_init(void)
{
+ unsigned i;
+
/*
* ATNGW100 uses 16-bit SDRAM interface, so we don't need to
* reserve any pins for it.
@@ -116,6 +141,12 @@ static int __init atngw100_init(void)
at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+ for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) {
+ at32_select_gpio(ngw_leds[i].gpio,
+ AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+ }
+ platform_device_register(&ngw_gpio_leds);
+
return 0;
}
postcore_initcall(atngw100_init);
diff --git a/arch/avr32/boards/atstk1000/Kconfig b/arch/avr32/boards/atstk1000/Kconfig
new file mode 100644
index 00000000000..71bc7d364fb
--- /dev/null
+++ b/arch/avr32/boards/atstk1000/Kconfig
@@ -0,0 +1,53 @@
+# STK1000 customization
+
+if BOARD_ATSTK1002
+
+config BOARD_ATSTK1002_CUSTOM
+ bool "Non-default STK-1002 jumper settings"
+ help
+ You will normally leave the jumpers on the CPU card at their
+ default settings. If you need to use certain peripherals,
+ you will need to change some of those jumpers.
+
+if BOARD_ATSTK1002_CUSTOM
+
+config BOARD_ATSTK1002_SW1_CUSTOM
+ bool "SW1: use SSC1 (not SPI0)"
+ help
+ This also prevents using the external DAC as an audio interface,
+ and means you can't initialize the on-board QVGA display.
+
+config BOARD_ATSTK1002_SW2_CUSTOM
+ bool "SW2: use IRDA or TIMER0 (not UART-A, MMC/SD, and PS2-A)"
+ help
+ If you change this you'll want an updated boot loader putting
+ the console on UART-C not UART-A.
+
+config BOARD_ATSTK1002_SW3_CUSTOM
+ bool "SW3: use TIMER1 (not SSC0 and GCLK)"
+ help
+ This also prevents using the external DAC as an audio interface.
+
+config BOARD_ATSTK1002_SW4_CUSTOM
+ bool "SW4: use ISI/Camera (not GPIOs, SPI1, and PS2-B)"
+ help
+ To use the camera interface you'll need a custom card (on the
+ PCI-format connector) connect a video sensor.
+
+config BOARD_ATSTK1002_SW5_CUSTOM
+ bool "SW5: use MACB1 (not LCDC)"
+
+config BOARD_ATSTK1002_SW6_CUSTOM
+ bool "SW6: more GPIOs (not MACB0)"
+
+endif # custom
+
+config BOARD_ATSTK1002_SPI1
+ bool "Configure SPI1 controller"
+ depends on !BOARD_ATSTK1002_SW4_CUSTOM
+ help
+ All the signals for the second SPI controller are available on
+ GPIO lines and accessed through the J1 jumper block. Say "y"
+ here to configure that SPI controller.
+
+endif # stk 1002
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index e253e86a1a3..cb93eabb9c6 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -27,15 +27,27 @@
#include "atstk1000.h"
-#define SW2_DEFAULT /* MMCI and UART_A available */
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 eth_platform_data __initdata eth_data[2] = {
+ {
+ /*
+ * The MDIO pullups on STK1000 are a bit too weak for
+ * the autodetection to work properly, so we have to
+ * mask out everything but the correct address.
+ */
+ .phy_mask = ~(1U << 16),
+ },
+ {
+ .phy_mask = ~(1U << 17),
+ },
+};
+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
static struct spi_board_info spi0_board_info[] __initdata = {
{
/* QVGA display */
@@ -45,6 +57,13 @@ static struct spi_board_info spi0_board_info[] __initdata = {
.mode = SPI_MODE_3,
},
};
+#endif
+
+#ifdef CONFIG_BOARD_ATSTK1002_SPI1
+static struct spi_board_info spi1_board_info[] __initdata = { {
+ /* patch in custom entries here */
+} };
+#endif
/*
* The next two functions should go away as the boot loader is
@@ -103,10 +122,10 @@ static void __init set_hw_addr(struct platform_device *pdev)
void __init setup_board(void)
{
-#ifdef SW2_DEFAULT
- at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
-#else
+#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */
+#else
+ at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
#endif
/* USART 2/unused: expansion connector */
at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */
@@ -140,18 +159,31 @@ static int __init atstk1002_init(void)
at32_add_system_devices();
-#ifdef SW2_DEFAULT
- at32_add_device_usart(0);
-#else
+#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
at32_add_device_usart(1);
+#else
+ at32_add_device_usart(0);
#endif
at32_add_device_usart(2);
+#ifndef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM
set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
-
+#endif
+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+#endif
+#ifdef CONFIG_BOARD_ATSTK1002_SPI1
+ at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
+#endif
+#ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM
+ set_hw_addr(at32_add_device_eth(1, &eth_data[1]));
+#else
at32_add_device_lcdc(0, &atstk1000_lcdc_data,
fbmem_start, fbmem_size);
+#endif
+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
+ at32_add_device_ssc(0, ATMEL_SSC_TX);
+#endif
return 0;
}
diff --git a/arch/avr32/configs/atngw100_defconfig b/arch/avr32/configs/atngw100_defconfig
index 49493ad3b5a..b799a68ffd9 100644
--- a/arch/avr32/configs/atngw100_defconfig
+++ b/arch/avr32/configs/atngw100_defconfig
@@ -712,7 +712,21 @@ CONFIG_SPI_ATMEL=y
#
# LED devices
#
-# CONFIG_NEW_LEDS is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+CONFIG_LEDS_GPIO=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+
#
# LED drivers
diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c
index 3c36c2d1614..39060cbeb2a 100644
--- a/arch/avr32/kernel/ptrace.c
+++ b/arch/avr32/kernel/ptrace.c
@@ -153,7 +153,6 @@ static int ptrace_setregs(struct task_struct *tsk, const void __user *uregs)
long arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
- unsigned long tmp;
int ret;
pr_debug("arch_ptrace(%ld, %d, %#lx, %#lx)\n",
@@ -166,11 +165,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
/* Read the word at location addr in the child process */
case PTRACE_PEEKTEXT:
case PTRACE_PEEKDATA:
- ret = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
- if (ret == sizeof(tmp))
- ret = put_user(tmp, (unsigned long __user *)data);
- else
- ret = -EIO;
+ ret = generic_ptrace_peekdata(child, addr, data);
break;
case PTRACE_PEEKUSR:
@@ -181,11 +176,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
/* Write the word in data at location addr */
case PTRACE_POKETEXT:
case PTRACE_POKEDATA:
- ret = access_process_vm(child, addr, &data, sizeof(data), 1);
- if (ret == sizeof(data))
- ret = 0;
- else
- ret = -EIO;
+ ret = generic_ptrace_pokedata(child, addr, data);
break;
case PTRACE_POKEUSR:
diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
index b279d66acf5..d08b0bc6b2b 100644
--- a/arch/avr32/kernel/setup.c
+++ b/arch/avr32/kernel/setup.c
@@ -313,7 +313,7 @@ __tagtable(ATAG_MEM, parse_tag_mem);
static int __init parse_tag_rdimg(struct tag *tag)
{
-#ifdef CONFIG_INITRD
+#ifdef CONFIG_BLK_DEV_INITRD
struct tag_mem_range *mem = &tag->u.mem_range;
int ret;
@@ -323,7 +323,7 @@ static int __init parse_tag_rdimg(struct tag *tag)
return 0;
}
- ret = add_reserved_region(mem->start, mem->start + mem->size - 1,
+ ret = add_reserved_region(mem->addr, mem->addr + mem->size - 1,
"initrd");
if (ret) {
printk(KERN_WARNING
diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c
index 86d107511dd..9a73ce7eb50 100644
--- a/arch/avr32/kernel/traps.c
+++ b/arch/avr32/kernel/traps.c
@@ -56,6 +56,7 @@ void NORET_TYPE die(const char *str, struct pt_regs *regs, long err)
show_regs_log_lvl(regs, KERN_EMERG);
show_stack_log_lvl(current, regs->sp, regs, KERN_EMERG);
bust_spinlocks(0);
+ add_taint(TAINT_DIE);
spin_unlock_irq(&die_lock);
if (in_interrupt())
@@ -184,7 +185,7 @@ asmlinkage void do_illegal_opcode(unsigned long ecr, struct pt_regs *regs)
if (!user_mode(regs) && (ecr == ECR_ILLEGAL_OPCODE)) {
enum bug_trap_type type;
- type = report_bug(regs->pc);
+ type = report_bug(regs->pc, regs);
switch (type) {
case BUG_TRAP_TYPE_NONE:
break;
diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile
index f1d395724ac..a8b445046e3 100644
--- a/arch/avr32/mach-at32ap/Makefile
+++ b/arch/avr32/mach-at32ap/Makefile
@@ -1,3 +1,4 @@
obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o
obj-$(CONFIG_CPU_AT32AP7000) += at32ap7000.o
obj-$(CONFIG_CPU_AT32AP7000) += time-tc.o
+obj-$(CONFIG_CPU_FREQ_AT32AP) += cpufreq.o
diff --git a/arch/avr32/mach-at32ap/at32ap.c b/arch/avr32/mach-at32ap/at32ap.c
index 90f207e8e96..7c4987f3287 100644
--- a/arch/avr32/mach-at32ap/at32ap.c
+++ b/arch/avr32/mach-at32ap/at32ap.c
@@ -11,41 +11,10 @@
#include <linux/init.h>
#include <linux/platform_device.h>
-#include <asm/io.h>
-
#include <asm/arch/init.h>
-#include <asm/arch/sm.h>
-
-struct at32_sm system_manager;
-
-static int __init at32_sm_init(void)
-{
- struct resource *regs;
- struct at32_sm *sm = &system_manager;
- int ret = -ENXIO;
-
- regs = platform_get_resource(&at32_sm_device, IORESOURCE_MEM, 0);
- if (!regs)
- goto fail;
-
- spin_lock_init(&sm->lock);
- sm->pdev = &at32_sm_device;
-
- ret = -ENOMEM;
- sm->regs = ioremap(regs->start, regs->end - regs->start + 1);
- if (!sm->regs)
- goto fail;
-
- return 0;
-
-fail:
- printk(KERN_ERR "Failed to initialize System Manager: %d\n", ret);
- return ret;
-}
void __init setup_platform(void)
{
- at32_sm_init();
at32_clock_init();
at32_portmux_init();
}
diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c
index 4dda42d3f6d..64cc5583ddf 100644
--- a/arch/avr32/mach-at32ap/at32ap7000.c
+++ b/arch/avr32/mach-at32ap/at32ap7000.c
@@ -17,14 +17,20 @@
#include <asm/arch/at32ap7000.h>
#include <asm/arch/board.h>
#include <asm/arch/portmux.h>
-#include <asm/arch/sm.h>
#include <video/atmel_lcdc.h>
#include "clock.h"
#include "hmatrix.h"
#include "pio.h"
-#include "sm.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) \
{ \
@@ -88,6 +94,8 @@ static struct clk devname##_##_name = { \
.index = _index, \
}
+static DEFINE_SPINLOCK(pm_lock);
+
unsigned long at32ap7000_osc_rates[3] = {
[0] = 32768,
/* FIXME: these are ATSTK1002-specific */
@@ -104,11 +112,11 @@ static unsigned long pll_get_rate(struct clk *clk, unsigned long control)
{
unsigned long div, mul, rate;
- if (!(control & SM_BIT(PLLEN)))
+ if (!(control & PM_BIT(PLLEN)))
return 0;
- div = SM_BFEXT(PLLDIV, control) + 1;
- mul = SM_BFEXT(PLLMUL, control) + 1;
+ div = PM_BFEXT(PLLDIV, control) + 1;
+ mul = PM_BFEXT(PLLMUL, control) + 1;
rate = clk->parent->get_rate(clk->parent);
rate = (rate + div / 2) / div;
@@ -121,7 +129,7 @@ static unsigned long pll0_get_rate(struct clk *clk)
{
u32 control;
- control = sm_readl(&system_manager, PM_PLL0);
+ control = pm_readl(PLL0);
return pll_get_rate(clk, control);
}
@@ -130,7 +138,7 @@ static unsigned long pll1_get_rate(struct clk *clk)
{
u32 control;
- control = sm_readl(&system_manager, PM_PLL1);
+ control = pm_readl(PLL1);
return pll_get_rate(clk, control);
}
@@ -187,108 +195,139 @@ static unsigned long bus_clk_get_rate(struct clk *clk, unsigned int shift)
static void cpu_clk_mode(struct clk *clk, int enabled)
{
- struct at32_sm *sm = &system_manager;
unsigned long flags;
u32 mask;
- spin_lock_irqsave(&sm->lock, flags);
- mask = sm_readl(sm, PM_CPU_MASK);
+ spin_lock_irqsave(&pm_lock, flags);
+ mask = pm_readl(CPU_MASK);
if (enabled)
mask |= 1 << clk->index;
else
mask &= ~(1 << clk->index);
- sm_writel(sm, PM_CPU_MASK, mask);
- spin_unlock_irqrestore(&sm->lock, flags);
+ pm_writel(CPU_MASK, mask);
+ spin_unlock_irqrestore(&pm_lock, flags);
}
static unsigned long cpu_clk_get_rate(struct clk *clk)
{
unsigned long cksel, shift = 0;
- cksel = sm_readl(&system_manager, PM_CKSEL);
- if (cksel & SM_BIT(CPUDIV))
- shift = SM_BFEXT(CPUSEL, cksel) + 1;
+ cksel = pm_readl(CKSEL);
+ if (cksel & PM_BIT(CPUDIV))
+ shift = PM_BFEXT(CPUSEL, cksel) + 1;
return bus_clk_get_rate(clk, shift);
}
+static long cpu_clk_set_rate(struct clk *clk, unsigned long rate, int apply)
+{
+ u32 control;
+ unsigned long parent_rate, child_div, actual_rate, div;
+
+ parent_rate = clk->parent->get_rate(clk->parent);
+ control = pm_readl(CKSEL);
+
+ if (control & PM_BIT(HSBDIV))
+ child_div = 1 << (PM_BFEXT(HSBSEL, control) + 1);
+ else
+ child_div = 1;
+
+ if (rate > 3 * (parent_rate / 4) || child_div == 1) {
+ actual_rate = parent_rate;
+ control &= ~PM_BIT(CPUDIV);
+ } else {
+ unsigned int cpusel;
+ div = (parent_rate + rate / 2) / rate;
+ if (div > child_div)
+ div = child_div;
+ cpusel = (div > 1) ? (fls(div) - 2) : 0;
+ control = PM_BIT(CPUDIV) | PM_BFINS(CPUSEL, cpusel, control);
+ actual_rate = parent_rate / (1 << (cpusel + 1));
+ }
+
+ pr_debug("clk %s: new rate %lu (actual rate %lu)\n",
+ clk->name, rate, actual_rate);
+
+ if (apply)
+ pm_writel(CKSEL, control);
+
+ return actual_rate;
+}
+
static void hsb_clk_mode(struct clk *clk, int enabled)
{
- struct at32_sm *sm = &system_manager;
unsigned long flags;
u32 mask;
- spin_lock_irqsave(&sm->lock, flags);
- mask = sm_readl(sm, PM_HSB_MASK);
+ spin_lock_irqsave(&pm_lock, flags);
+ mask = pm_readl(HSB_MASK);
if (enabled)
mask |= 1 << clk->index;
else
mask &= ~(1 << clk->index);
- sm_writel(sm, PM_HSB_MASK, mask);
- spin_unlock_irqrestore(&sm->lock, flags);
+ pm_writel(HSB_MASK, mask);
+ spin_unlock_irqrestore(&pm_lock, flags);
}
static unsigned long hsb_clk_get_rate(struct clk *clk)
{
unsigned long cksel, shift = 0;
- cksel = sm_readl(&system_manager, PM_CKSEL);
- if (cksel & SM_BIT(HSBDIV))
- shift = SM_BFEXT(HSBSEL, cksel) + 1;
+ cksel = pm_readl(CKSEL);
+ if (cksel & PM_BIT(HSBDIV))
+ shift = PM_BFEXT(HSBSEL, cksel) + 1;
return bus_clk_get_rate(clk, shift);
}
static void pba_clk_mode(struct clk *clk, int enabled)
{
- struct at32_sm *sm = &system_manager;
unsigned long flags;
u32 mask;
- spin_lock_irqsave(&sm->lock, flags);
- mask = sm_readl(sm, PM_PBA_MASK);
+ spin_lock_irqsave(&pm_lock, flags);
+ mask = pm_readl(PBA_MASK);
if (enabled)
mask |= 1 << clk->index;
else
mask &= ~(1 << clk->index);
- sm_writel(sm, PM_PBA_MASK, mask);
- spin_unlock_irqrestore(&sm->lock, flags);
+ pm_writel(PBA_MASK, mask);
+ spin_unlock_irqrestore(&pm_lock, flags);
}
static unsigned long pba_clk_get_rate(struct clk *clk)
{
unsigned long cksel, shift = 0;
- cksel = sm_readl(&system_manager, PM_CKSEL);
- if (cksel & SM_BIT(PBADIV))
- shift = SM_BFEXT(PBASEL, cksel) + 1;
+ cksel = pm_readl(CKSEL);
+ if (cksel & PM_BIT(PBADIV))
+ shift = PM_BFEXT(PBASEL, cksel) + 1;
return bus_clk_get_rate(clk, shift);
}
static void pbb_clk_mode(struct clk *clk, int enabled)
{
- struct at32_sm *sm = &system_manager;
unsigned long flags;
u32 mask;
- spin_lock_irqsave(&sm->lock, flags);
- mask = sm_readl(sm, PM_PBB_MASK);
+ spin_lock_irqsave(&pm_lock, flags);
+ mask = pm_readl(PBB_MASK);
if (enabled)
mask |= 1 << clk->index;
else
mask &= ~(1 << clk->index);
- sm_writel(sm, PM_PBB_MASK, mask);
- spin_unlock_irqrestore(&sm->lock, flags);
+ pm_writel(PBB_MASK, mask);
+ spin_unlock_irqrestore(&pm_lock, flags);
}
static unsigned long pbb_clk_get_rate(struct clk *clk)
{
unsigned long cksel, shift = 0;
- cksel = sm_readl(&system_manager, PM_CKSEL);
- if (cksel & SM_BIT(PBBDIV))
- shift = SM_BFEXT(PBBSEL, cksel) + 1;
+ cksel = pm_readl(CKSEL);
+ if (cksel & PM_BIT(PBBDIV))
+ shift = PM_BFEXT(PBBSEL, cksel) + 1;
return bus_clk_get_rate(clk, shift);
}
@@ -296,6 +335,7 @@ static unsigned long pbb_clk_get_rate(struct clk *clk)
static struct clk cpu_clk = {
.name = "cpu",
.get_rate = cpu_clk_get_rate,
+ .set_rate = cpu_clk_set_rate,
.users = 1,
};
static struct clk hsb_clk = {
@@ -327,12 +367,12 @@ static void genclk_mode(struct clk *clk, int enabled)
{
u32 control;
- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+ control = pm_readl(GCCTRL(clk->index));
if (enabled)
- control |= SM_BIT(CEN);
+ control |= PM_BIT(CEN);
else
- control &= ~SM_BIT(CEN);
- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control);
+ control &= ~PM_BIT(CEN);
+ pm_writel(GCCTRL(clk->index), control);
}
static unsigned long genclk_get_rate(struct clk *clk)
@@ -340,9 +380,9 @@ static unsigned long genclk_get_rate(struct clk *clk)
u32 control;
unsigned long div = 1;
- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
- if (control & SM_BIT(DIVEN))
- div = 2 * (SM_BFEXT(DIV, control) + 1);
+ control = pm_readl(GCCTRL(clk->index));
+ if (control & PM_BIT(DIVEN))
+ div = 2 * (PM_BFEXT(DIV, control) + 1);
return clk->parent->get_rate(clk->parent) / div;
}
@@ -353,23 +393,22 @@ static long genclk_set_rate(struct clk *clk, unsigned long rate, int apply)
unsigned long parent_rate, actual_rate, div;
parent_rate = clk->parent->get_rate(clk->parent);
- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+ control = pm_readl(GCCTRL(clk->index));
if (rate > 3 * parent_rate / 4) {
actual_rate = parent_rate;
- control &= ~SM_BIT(DIVEN);
+ control &= ~PM_BIT(DIVEN);
} else {
div = (parent_rate + rate) / (2 * rate) - 1;
- control = SM_BFINS(DIV, div, control) | SM_BIT(DIVEN);
+ control = PM_BFINS(DIV, div, control) | PM_BIT(DIVEN);
actual_rate = parent_rate / (2 * (div + 1));
}
- printk("clk %s: new rate %lu (actual rate %lu)\n",
- clk->name, rate, actual_rate);
+ dev_dbg(clk->dev, "clk %s: new rate %lu (actual rate %lu)\n",
+ clk->name, rate, actual_rate);
if (apply)
- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index,
- control);
+ pm_writel(GCCTRL(clk->index), control);
return actual_rate;
}
@@ -378,24 +417,24 @@ int genclk_set_parent(struct clk *clk, struct clk *parent)
{
u32 control;
- printk("clk %s: new parent %s (was %s)\n",
- clk->name, parent->name, clk->parent->name);
+ dev_dbg(clk->dev, "clk %s: new parent %s (was %s)\n",
+ clk->name, parent->name, clk->parent->name);
- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+ control = pm_readl(GCCTRL(clk->index));
if (parent == &osc1 || parent == &pll1)
- control |= SM_BIT(OSCSEL);
+ control |= PM_BIT(OSCSEL);
else if (parent == &osc0 || parent == &pll0)
- control &= ~SM_BIT(OSCSEL);
+ control &= ~PM_BIT(OSCSEL);
else
return -EINVAL;
if (parent == &pll0 || parent == &pll1)
- control |= SM_BIT(PLLSEL);
+ control |= PM_BIT(PLLSEL);
else
- control &= ~SM_BIT(PLLSEL);
+ control &= ~PM_BIT(PLLSEL);
- sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control);
+ pm_writel(GCCTRL(clk->index), control);
clk->parent = parent;
return 0;
@@ -408,11 +447,11 @@ static void __init genclk_init_parent(struct clk *clk)
BUG_ON(clk->index > 7);
- control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
- if (control & SM_BIT(OSCSEL))
- parent = (control & SM_BIT(PLLSEL)) ? &pll1 : &osc1;
+ control = pm_readl(GCCTRL(clk->index));
+ if (control & PM_BIT(OSCSEL))
+ parent = (control & PM_BIT(PLLSEL)) ? &pll1 : &osc1;
else
- parent = (control & SM_BIT(PLLSEL)) ? &pll0 : &osc0;
+ parent = (control & PM_BIT(PLLSEL)) ? &pll0 : &osc0;
clk->parent = parent;
}
@@ -420,21 +459,53 @@ static void __init genclk_init_parent(struct clk *clk)
/* --------------------------------------------------------------------
* System peripherals
* -------------------------------------------------------------------- */
-static struct resource sm_resource[] = {
- PBMEM(0xfff00000),
- NAMED_IRQ(19, "eim"),
- NAMED_IRQ(20, "pm"),
- NAMED_IRQ(21, "rtc"),
+static struct resource at32_pm0_resource[] = {
+ {
+ .start = 0xfff00000,
+ .end = 0xfff0007f,
+ .flags = IORESOURCE_MEM,
+ },
+ IRQ(20),
};
-struct platform_device at32_sm_device = {
- .name = "sm",
- .id = 0,
- .resource = sm_resource,
- .num_resources = ARRAY_SIZE(sm_resource),
+
+static struct resource at32ap700x_rtc0_resource[] = {
+ {
+ .start = 0xfff00080,
+ .end = 0xfff000af,
+ .flags = IORESOURCE_MEM,
+ },
+ IRQ(21),
+};
+
+static struct resource at32_wdt0_resource[] = {
+ {
+ .start = 0xfff000b0,
+ .end = 0xfff000bf,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct resource at32_eic0_resource[] = {
+ {
+ .start = 0xfff00100,
+ .end = 0xfff0013f,
+ .flags = IORESOURCE_MEM,
+ },
+ IRQ(19),
};
-static struct clk at32_sm_pclk = {
+
+DEFINE_DEV(at32_pm, 0);
+DEFINE_DEV(at32ap700x_rtc, 0);
+DEFINE_DEV(at32_wdt, 0);
+DEFINE_DEV(at32_eic, 0);
+
+/*
+ * Peripheral clock for PM, RTC, WDT and EIC. PM will ensure that this
+ * is always running.
+ */
+static struct clk at32_pm_pclk = {
.name = "pclk",
- .dev = &at32_sm_device.dev,
+ .dev = &at32_pm0_device.dev,
.parent = &pbb_clk,
.mode = pbb_clk_mode,
.get_rate = pbb_clk_get_rate,
@@ -583,10 +654,11 @@ DEV_CLK(mck, pio4, pba, 14);
void __init at32_add_system_devices(void)
{
- system_manager.eim_first_irq = EIM_IRQ_BASE;
-
- platform_device_register(&at32_sm_device);
+ platform_device_register(&at32_pm0_device);
platform_device_register(&at32_intc0_device);
+ platform_device_register(&at32ap700x_rtc0_device);
+ platform_device_register(&at32_wdt0_device);
+ platform_device_register(&at32_eic0_device);
platform_device_register(&smc0_device);
platform_device_register(&pdc_device);
@@ -1013,6 +1085,89 @@ err_dup_modedb:
}
/* --------------------------------------------------------------------
+ * SSC
+ * -------------------------------------------------------------------- */
+static struct resource ssc0_resource[] = {
+ PBMEM(0xffe01c00),
+ IRQ(10),
+};
+DEFINE_DEV(ssc, 0);
+DEV_CLK(pclk, ssc0, pba, 7);
+
+static struct resource ssc1_resource[] = {
+ PBMEM(0xffe02000),
+ IRQ(11),
+};
+DEFINE_DEV(ssc, 1);
+DEV_CLK(pclk, ssc1, pba, 8);
+
+static struct resource ssc2_resource[] = {
+ PBMEM(0xffe02400),
+ IRQ(12),
+};
+DEFINE_DEV(ssc, 2);
+DEV_CLK(pclk, ssc2, pba, 9);
+
+struct platform_device *__init
+at32_add_device_ssc(unsigned int id, unsigned int flags)
+{
+ struct platform_device *pdev;
+
+ switch (id) {
+ case 0:
+ pdev = &ssc0_device;
+ if (flags & ATMEL_SSC_RF)
+ select_peripheral(PA(21), PERIPH_A, 0); /* RF */
+ if (flags & ATMEL_SSC_RK)
+ select_peripheral(PA(22), PERIPH_A, 0); /* RK */
+ if (flags & ATMEL_SSC_TK)
+ select_peripheral(PA(23), PERIPH_A, 0); /* TK */
+ if (flags & ATMEL_SSC_TF)
+ select_peripheral(PA(24), PERIPH_A, 0); /* TF */
+ if (flags & ATMEL_SSC_TD)
+ select_peripheral(PA(25), PERIPH_A, 0); /* TD */
+ if (flags & ATMEL_SSC_RD)
+ select_peripheral(PA(26), PERIPH_A, 0); /* RD */
+ break;
+ case 1:
+ pdev = &ssc1_device;
+ if (flags & ATMEL_SSC_RF)
+ select_peripheral(PA(0), PERIPH_B, 0); /* RF */
+ if (flags & ATMEL_SSC_RK)
+ select_peripheral(PA(1), PERIPH_B, 0); /* RK */
+ if (flags & ATMEL_SSC_TK)
+ select_peripheral(PA(2), PERIPH_B, 0); /* TK */
+ if (flags & ATMEL_SSC_TF)
+ select_peripheral(PA(3), PERIPH_B, 0); /* TF */
+ if (flags & ATMEL_SSC_TD)
+ select_peripheral(PA(4), PERIPH_B, 0); /* TD */
+ if (flags & ATMEL_SSC_RD)
+ select_peripheral(PA(5), PERIPH_B, 0); /* RD */
+ break;
+ case 2:
+ pdev = &ssc2_device;
+ if (flags & ATMEL_SSC_TD)
+ select_peripheral(PB(13), PERIPH_A, 0); /* TD */
+ if (flags & ATMEL_SSC_RD)
+ select_peripheral(PB(14), PERIPH_A, 0); /* RD */
+ if (flags & ATMEL_SSC_TK)
+ select_peripheral(PB(15), PERIPH_A, 0); /* TK */
+ if (flags & ATMEL_SSC_TF)
+ select_peripheral(PB(16), PERIPH_A, 0); /* TF */
+ if (flags & ATMEL_SSC_RF)
+ select_peripheral(PB(17), PERIPH_A, 0); /* RF */
+ if (flags & ATMEL_SSC_RK)
+ select_peripheral(PB(18), PERIPH_A, 0); /* RK */
+ break;
+ default:
+ return NULL;
+ }
+
+ platform_device_register(pdev);
+ return pdev;
+}
+
+/* --------------------------------------------------------------------
* GCLK
* -------------------------------------------------------------------- */
static struct clk gclk0 = {
@@ -1066,7 +1221,7 @@ struct clk *at32_clock_list[] = {
&hsb_clk,
&pba_clk,
&pbb_clk,
- &at32_sm_pclk,
+ &at32_pm_pclk,
&at32_intc0_pclk,
&hmatrix_clk,
&ebi_clk,
@@ -1094,6 +1249,9 @@ struct clk *at32_clock_list[] = {
&atmel_spi1_spi_clk,
&atmel_lcdfb0_hck1,
&atmel_lcdfb0_pixclk,
+ &ssc0_pclk,
+ &ssc1_pclk,
+ &ssc2_pclk,
&gclk0,
&gclk1,
&gclk2,
@@ -1113,18 +1271,20 @@ void __init at32_portmux_init(void)
void __init at32_clock_init(void)
{
- struct at32_sm *sm = &system_manager;
u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0;
int i;
- if (sm_readl(sm, PM_MCCTRL) & SM_BIT(PLLSEL))
+ if (pm_readl(MCCTRL) & PM_BIT(PLLSEL)) {
main_clock = &pll0;
- else
+ cpu_clk.parent = &pll0;
+ } else {
main_clock = &osc0;
+ cpu_clk.parent = &osc0;
+ }
- if (sm_readl(sm, PM_PLL0) & SM_BIT(PLLOSC))
+ if (pm_readl(PLL0) & PM_BIT(PLLOSC))
pll0.parent = &osc1;
- if (sm_readl(sm, PM_PLL1) & SM_BIT(PLLOSC))
+ if (pm_readl(PLL1) & PM_BIT(PLLOSC))
pll1.parent = &osc1;
genclk_init_parent(&gclk0);
@@ -1157,8 +1317,8 @@ void __init at32_clock_init(void)
pbb_mask |= 1 << clk->index;
}
- sm_writel(sm, PM_CPU_MASK, cpu_mask);
- sm_writel(sm, PM_HSB_MASK, hsb_mask);
- sm_writel(sm, PM_PBA_MASK, pba_mask);
- sm_writel(sm, PM_PBB_MASK, pbb_mask);
+ pm_writel(CPU_MASK, cpu_mask);
+ pm_writel(HSB_MASK, hsb_mask);
+ pm_writel(PBA_MASK, pba_mask);
+ pm_writel(PBB_MASK, pbb_mask);
}
diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c
new file mode 100644
index 00000000000..235524b7919
--- /dev/null
+++ b/arch/avr32/mach-at32ap/cpufreq.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2004-2007 Atmel Corporation
+ *
+ * Based on MIPS implementation arch/mips/kernel/time.c
+ * Copyright 2001 MontaVista Software Inc.
+ *
+ * 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.
+ */
+
+/*#define DEBUG*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/cpufreq.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <asm/system.h>
+
+static struct clk *cpuclk;
+
+static int at32_verify_speed(struct cpufreq_policy *policy)
+{
+ if (policy->cpu != 0)
+ return -EINVAL;
+
+ cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
+ policy->cpuinfo.max_freq);
+ return 0;
+}
+
+static unsigned int at32_get_speed(unsigned int cpu)
+{
+ /* No SMP support */
+ if (cpu)
+ return 0;
+ return (unsigned int)((clk_get_rate(cpuclk) + 500) / 1000);
+}
+
+static int at32_set_target(struct cpufreq_policy *policy,
+ unsigned int target_freq,
+ unsigned int relation)
+{
+ struct cpufreq_freqs freqs;
+ long freq;
+
+ /* Convert target_freq from kHz to Hz */
+ freq = clk_round_rate(cpuclk, target_freq * 1000);
+
+ /* Check if policy->min <= new_freq <= policy->max */
+ if(freq < (policy->min * 1000) || freq > (policy->max * 1000))
+ return -EINVAL;
+
+ pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000);
+
+ freqs.old = at32_get_speed(0);
+ freqs.new = (freq + 500) / 1000;
+ freqs.cpu = 0;
+ freqs.flags = 0;
+
+ cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ clk_set_rate(cpuclk, freq);
+ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+
+ pr_debug("cpufreq: set frequency %lu Hz\n", freq);
+
+ return 0;
+}
+
+static int __init at32_cpufreq_driver_init(struct cpufreq_policy *policy)
+{
+ if (policy->cpu != 0)
+ return -EINVAL;
+
+ cpuclk = clk_get(NULL, "cpu");
+ if (IS_ERR(cpuclk)) {
+ pr_debug("cpufreq: could not get CPU clk\n");
+ return PTR_ERR(cpuclk);
+ }
+
+ policy->cpuinfo.min_freq = (clk_round_rate(cpuclk, 1) + 500) / 1000;
+ policy->cpuinfo.max_freq = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
+ policy->cpuinfo.transition_latency = 0;
+ policy->cur = at32_get_speed(0);
+ policy->min = policy->cpuinfo.min_freq;
+ policy->max = policy->cpuinfo.max_freq;
+ policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
+
+ printk("cpufreq: AT32AP CPU frequency driver\n");
+
+ return 0;
+}
+
+static struct cpufreq_driver at32_driver = {
+ .name = "at32ap",
+ .owner = THIS_MODULE,
+ .init = at32_cpufreq_driver_init,
+ .verify = at32_verify_speed,
+ .target = at32_set_target,
+ .get = at32_get_speed,
+ .flags = CPUFREQ_STICKY,
+};
+
+static int __init at32_cpufreq_init(void)
+{
+ return cpufreq_register_driver(&at32_driver);
+}
+
+arch_initcall(at32_cpufreq_init);
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index 4a60eccfebd..8acd0109003 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -17,42 +17,83 @@
#include <asm/io.h>
-#include <asm/arch/sm.h>
-
-#include "sm.h"
+/* EIC register offsets */
+#define EIC_IER 0x0000
+#define EIC_IDR 0x0004
+#define EIC_IMR 0x0008
+#define EIC_ISR 0x000c
+#define EIC_ICR 0x0010
+#define EIC_MODE 0x0014
+#define EIC_EDGE 0x0018
+#define EIC_LEVEL 0x001c
+#define EIC_TEST 0x0020
+#define EIC_NMIC 0x0024
+
+/* Bitfields in TEST */
+#define EIC_TESTEN_OFFSET 31
+#define EIC_TESTEN_SIZE 1
+
+/* Bitfields in NMIC */
+#define EIC_EN_OFFSET 0
+#define EIC_EN_SIZE 1
+
+/* Bit manipulation macros */
+#define EIC_BIT(name) \
+ (1 << EIC_##name##_OFFSET)
+#define EIC_BF(name,value) \
+ (((value) & ((1 << EIC_##name##_SIZE) - 1)) \
+ << EIC_##name##_OFFSET)
+#define EIC_BFEXT(name,value) \
+ (((value) >> EIC_##name##_OFFSET) \
+ & ((1 << EIC_##name##_SIZE) - 1))
+#define EIC_BFINS(name,value,old) \
+ (((old) & ~(((1 << EIC_##name##_SIZE) - 1) \
+ << EIC_##name##_OFFSET)) \
+ | EIC_BF(name,value))
+
+/* Register access macros */
+#define eic_readl(port,reg) \
+ __raw_readl((port)->regs + EIC_##reg)
+#define eic_writel(port,reg,value) \
+ __raw_writel((value), (port)->regs + EIC_##reg)
+
+struct eic {
+ void __iomem *regs;
+ struct irq_chip *chip;
+ unsigned int first_irq;
+};
-static void eim_ack_irq(unsigned int irq)
+static void eic_ack_irq(unsigned int irq)
{
- struct at32_sm *sm = get_irq_chip_data(irq);
- sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq));
+ struct eic *eic = get_irq_chip_data(irq);
+ eic_writel(eic, ICR, 1 << (irq - eic->first_irq));
}
-static void eim_mask_irq(unsigned int irq)
+static void eic_mask_irq(unsigned int irq)
{
- struct at32_sm *sm = get_irq_chip_data(irq);
- sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq));
+ struct eic *eic = get_irq_chip_data(irq);
+ eic_writel(eic, IDR, 1 << (irq - eic->first_irq));
}
-static void eim_mask_ack_irq(unsigned int irq)
+static void eic_mask_ack_irq(unsigned int irq)
{
- struct at32_sm *sm = get_irq_chip_data(irq);
- sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq));
- sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq));
+ struct eic *eic = get_irq_chip_data(irq);
+ eic_writel(eic, ICR, 1 << (irq - eic->first_irq));
+ eic_writel(eic, IDR, 1 << (irq - eic->first_irq));
}
-static void eim_unmask_irq(unsigned int irq)
+static void eic_unmask_irq(unsigned int irq)
{
- struct at32_sm *sm = get_irq_chip_data(irq);
- sm_writel(sm, EIM_IER, 1 << (irq - sm->eim_first_irq));
+ struct eic *eic = get_irq_chip_data(irq);
+ eic_writel(eic, IER, 1 << (irq - eic->first_irq));
}
-static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
+static int eic_set_irq_type(unsigned int irq, unsigned int flow_type)
{
- struct at32_sm *sm = get_irq_chip_data(irq);
+ struct eic *eic = get_irq_chip_data(irq);
struct irq_desc *desc;
- unsigned int i = irq - sm->eim_first_irq;
+ unsigned int i = irq - eic->first_irq;
u32 mode, edge, level;
- unsigned long flags;
int ret = 0;
flow_type &= IRQ_TYPE_SENSE_MASK;
@@ -60,11 +101,10 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
flow_type = IRQ_TYPE_LEVEL_LOW;
desc = &irq_desc[irq];
- spin_lock_irqsave(&sm->lock, flags);
- mode = sm_readl(sm, EIM_MODE);
- edge = sm_readl(sm, EIM_EDGE);
- level = sm_readl(sm, EIM_LEVEL);
+ mode = eic_readl(eic, MODE);
+ edge = eic_readl(eic, EDGE);
+ level = eic_readl(eic, LEVEL);
switch (flow_type) {
case IRQ_TYPE_LEVEL_LOW:
@@ -89,9 +129,9 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
}
if (ret == 0) {
- sm_writel(sm, EIM_MODE, mode);
- sm_writel(sm, EIM_EDGE, edge);
- sm_writel(sm, EIM_LEVEL, level);
+ eic_writel(eic, MODE, mode);
+ eic_writel(eic, EDGE, edge);
+ eic_writel(eic, LEVEL, level);
if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
flow_type |= IRQ_LEVEL;
@@ -99,35 +139,33 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
desc->status |= flow_type;
}
- spin_unlock_irqrestore(&sm->lock, flags);
-
return ret;
}
-struct irq_chip eim_chip = {
- .name = "eim",
- .ack = eim_ack_irq,
- .mask = eim_mask_irq,
- .mask_ack = eim_mask_ack_irq,
- .unmask = eim_unmask_irq,
- .set_type = eim_set_irq_type,
+struct irq_chip eic_chip = {
+ .name = "eic",
+ .ack = eic_ack_irq,
+ .mask = eic_mask_irq,
+ .mask_ack = eic_mask_ack_irq,
+ .unmask = eic_unmask_irq,
+ .set_type = eic_set_irq_type,
};
-static void demux_eim_irq(unsigned int irq, struct irq_desc *desc)
+static void demux_eic_irq(unsigned int irq, struct irq_desc *desc)
{
- struct at32_sm *sm = desc->handler_data;
+ struct eic *eic = desc->handler_data;
struct irq_desc *ext_desc;
unsigned long status, pending;
unsigned int i, ext_irq;
- status = sm_readl(sm, EIM_ISR);
- pending = status & sm_readl(sm, EIM_IMR);
+ status = eic_readl(eic, ISR);
+ pending = status & eic_readl(eic, IMR);
while (pending) {
i = fls(pending) - 1;
pending &= ~(1 << i);
- ext_irq = i + sm->eim_first_irq;
+ ext_irq = i + eic->first_irq;
ext_desc = irq_desc + ext_irq;
if (ext_desc->status & IRQ_LEVEL)
handle_level_irq(ext_irq, ext_desc);
@@ -136,51 +174,85 @@ static void demux_eim_irq(unsigned int irq, struct irq_desc *desc)
}
}
-static int __init eim_init(void)
+static int __init eic_probe(struct platform_device *pdev)
{
- struct at32_sm *sm = &system_manager;
+ struct eic *eic;
+ struct resource *regs;
unsigned int i;
unsigned int nr_irqs;
unsigned int int_irq;
+ int ret;
u32 pattern;
- /*
- * The EIM is really the same module as SM, so register
- * mapping, etc. has been taken care of already.
- */
+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ int_irq = platform_get_irq(pdev, 0);
+ if (!regs || !int_irq) {
+ dev_dbg(&pdev->dev, "missing regs and/or irq resource\n");
+ return -ENXIO;
+ }
+
+ ret = -ENOMEM;
+ eic = kzalloc(sizeof(struct eic), GFP_KERNEL);
+ if (!eic) {
+ dev_dbg(&pdev->dev, "no memory for eic structure\n");
+ goto err_kzalloc;
+ }
+
+ eic->first_irq = EIM_IRQ_BASE + 32 * pdev->id;
+ eic->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ if (!eic->regs) {
+ dev_dbg(&pdev->dev, "failed to map regs\n");
+ goto err_ioremap;
+ }
/*
* Find out how many interrupt lines that are actually
* implemented in hardware.
*/
- sm_writel(sm, EIM_IDR, ~0UL);
- sm_writel(sm, EIM_MODE, ~0UL);
- pattern = sm_readl(sm, EIM_MODE);
+ eic_writel(eic, IDR, ~0UL);
+ eic_writel(eic, MODE, ~0UL);
+ pattern = eic_readl(eic, MODE);
nr_irqs = fls(pattern);
/* Trigger on falling edge unless overridden by driver */
- sm_writel(sm, EIM_MODE, 0UL);
- sm_writel(sm, EIM_EDGE, 0UL);
+ eic_writel(eic, MODE, 0UL);
+ eic_writel(eic, EDGE, 0UL);
- sm->eim_chip = &eim_chip;
+ eic->chip = &eic_chip;
for (i = 0; i < nr_irqs; i++) {
/* NOTE the handler we set here is ignored by the demux */
- set_irq_chip_and_handler(sm->eim_first_irq + i, &eim_chip,
+ set_irq_chip_and_handler(eic->first_irq + i, &eic_chip,
handle_level_irq);
- set_irq_chip_data(sm->eim_first_irq + i, sm);
+ set_irq_chip_data(eic->first_irq + i, eic);
}
- int_irq = platform_get_irq_byname(sm->pdev, "eim");
-
- set_irq_chained_handler(int_irq, demux_eim_irq);
- set_irq_data(int_irq, sm);
+ set_irq_chained_handler(int_irq, demux_eic_irq);
+ set_irq_data(int_irq, eic);
- printk("EIM: External Interrupt Module at 0x%p, IRQ %u\n",
- sm->regs, int_irq);
- printk("EIM: Handling %u external IRQs, starting with IRQ %u\n",
- nr_irqs, sm->eim_first_irq);
+ dev_info(&pdev->dev,
+ "External Interrupt Controller at 0x%p, IRQ %u\n",
+ eic->regs, int_irq);
+ dev_info(&pdev->dev,
+ "Handling %u external IRQs, starting with IRQ %u\n",
+ nr_irqs, eic->first_irq);
return 0;
+
+err_ioremap:
+ kfree(eic);
+err_kzalloc:
+ return ret;
+}
+
+static struct platform_driver eic_driver = {
+ .driver = {
+ .name = "at32_eic",
+ },
+};
+
+static int __init eic_init(void)
+{
+ return platform_driver_probe(&eic_driver, eic_probe);
}
-arch_initcall(eim_init);
+arch_initcall(eic_init);
diff --git a/arch/avr32/mach-at32ap/pm.h b/arch/avr32/mach-at32ap/pm.h
new file mode 100644
index 00000000000..a1f8aced0a8
--- /dev/null
+++ b/arch/avr32/mach-at32ap/pm.h
@@ -0,0 +1,112 @@
+/*
+ * Register definitions for the Power Manager (PM)
+ */
+#ifndef __ARCH_AVR32_MACH_AT32AP_PM_H__
+#define __ARCH_AVR32_MACH_AT32AP_PM_H__
+
+/* PM register offsets */
+#define PM_MCCTRL 0x0000
+#define PM_CKSEL 0x0004
+#define PM_CPU_MASK 0x0008
+#define PM_HSB_MASK 0x000c
+#define PM_PBA_MASK 0x0010
+#define PM_PBB_MASK 0x0014
+#define PM_PLL0 0x0020
+#define PM_PLL1 0x0024
+#define PM_IER 0x0040
+#define PM_IDR 0x0044
+#define PM_IMR 0x0048
+#define PM_ISR 0x004c
+#define PM_ICR 0x0050
+#define PM_GCCTRL(x) (0x0060 + 4 * (x))
+#define PM_RCAUSE 0x00c0
+
+/* Bitfields in CKSEL */
+#define PM_CPUSEL_OFFSET 0
+#define PM_CPUSEL_SIZE 3
+#define PM_CPUDIV_OFFSET 7
+#define PM_CPUDIV_SIZE 1
+#define PM_HSBSEL_OFFSET 8
+#define PM_HSBSEL_SIZE 3
+#define PM_HSBDIV_OFFSET 15
+#define PM_HSBDIV_SIZE 1
+#define PM_PBASEL_OFFSET 16
+#define PM_PBASEL_SIZE 3
+#define PM_PBADIV_OFFSET 23
+#define PM_PBADIV_SIZE 1
+#define PM_PBBSEL_OFFSET 24
+#define PM_PBBSEL_SIZE 3
+#define PM_PBBDIV_OFFSET 31
+#define PM_PBBDIV_SIZE 1
+
+/* Bitfields in PLL0 */
+#define PM_PLLEN_OFFSET 0
+#define PM_PLLEN_SIZE 1
+#define PM_PLLOSC_OFFSET 1
+#define PM_PLLOSC_SIZE 1
+#define PM_PLLOPT_OFFSET 2
+#define PM_PLLOPT_SIZE 3
+#define PM_PLLDIV_OFFSET 8
+#define PM_PLLDIV_SIZE 8
+#define PM_PLLMUL_OFFSET 16
+#define PM_PLLMUL_SIZE 8
+#define PM_PLLCOUNT_OFFSET 24
+#define PM_PLLCOUNT_SIZE 6
+#define PM_PLLTEST_OFFSET 31
+#define PM_PLLTEST_SIZE 1
+
+/* Bitfields in ICR */
+#define PM_LOCK0_OFFSET 0
+#define PM_LOCK0_SIZE 1
+#define PM_LOCK1_OFFSET 1
+#define PM_LOCK1_SIZE 1
+#define PM_WAKE_OFFSET 2
+#define PM_WAKE_SIZE 1
+#define PM_CKRDY_OFFSET 5
+#define PM_CKRDY_SIZE 1
+#define PM_MSKRDY_OFFSET 6
+#define PM_MSKRDY_SIZE 1
+
+/* Bitfields in GCCTRL0 */
+#define PM_OSCSEL_OFFSET 0
+#define PM_OSCSEL_SIZE 1
+#define PM_PLLSEL_OFFSET 1
+#define PM_PLLSEL_SIZE 1
+#define PM_CEN_OFFSET 2
+#define PM_CEN_SIZE 1
+#define PM_DIVEN_OFFSET 4
+#define PM_DIVEN_SIZE 1
+#define PM_DIV_OFFSET 8
+#define PM_DIV_SIZE 8
+
+/* Bitfields in RCAUSE */
+#define PM_POR_OFFSET 0
+#define PM_POR_SIZE 1
+#define PM_EXT_OFFSET 2
+#define PM_EXT_SIZE 1
+#define PM_WDT_OFFSET 3
+#define PM_WDT_SIZE 1
+#define PM_NTAE_OFFSET 4
+#define PM_NTAE_SIZE 1
+
+/* Bit manipulation macros */
+#define PM_BIT(name) \
+ (1 << PM_##name##_OFFSET)
+#define PM_BF(name,value) \
+ (((value) & ((1 << PM_##name##_SIZE) - 1)) \
+ << PM_##name##_OFFSET)
+#define PM_BFEXT(name,value) \
+ (((value) >> PM_##name##_OFFSET) \
+ & ((1 << PM_##name##_SIZE) - 1))
+#define PM_BFINS(name,value,old)\
+ (((old) & ~(((1 << PM_##name##_SIZE) - 1) \
+ << PM_##name##_OFFSET)) \
+ | PM_BF(name,value))
+
+/* Register access macros */
+#define pm_readl(reg) \
+ __raw_readl((void __iomem *)AT32_PM_BASE + PM_##reg)
+#define pm_writel(reg,value) \
+ __raw_writel((value), (void __iomem *)AT32_PM_BASE + PM_##reg)
+
+#endif /* __ARCH_AVR32_MACH_AT32AP_PM_H__ */
diff --git a/arch/avr32/mach-at32ap/sm.h b/arch/avr32/mach-at32ap/sm.h
deleted file mode 100644
index cad02b512bc..00000000000
--- a/arch/avr32/mach-at32ap/sm.h
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * Register definitions for SM
- *
- * System Manager
- */
-#ifndef __ASM_AVR32_SM_H__
-#define __ASM_AVR32_SM_H__
-
-/* SM register offsets */
-#define SM_PM_MCCTRL 0x0000
-#define SM_PM_CKSEL 0x0004
-#define SM_PM_CPU_MASK 0x0008
-#define SM_PM_HSB_MASK 0x000c
-#define SM_PM_PBA_MASK 0x0010
-#define SM_PM_PBB_MASK 0x0014
-#define SM_PM_PLL0 0x0020
-#define SM_PM_PLL1 0x0024
-#define SM_PM_VCTRL 0x0030
-#define SM_PM_VMREF 0x0034
-#define SM_PM_VMV 0x0038
-#define SM_PM_IER 0x0040
-#define SM_PM_IDR 0x0044
-#define SM_PM_IMR 0x0048
-#define SM_PM_ISR 0x004c
-#define SM_PM_ICR 0x0050
-#define SM_PM_GCCTRL 0x0060
-#define SM_RTC_CTRL 0x0080
-#define SM_RTC_VAL 0x0084
-#define SM_RTC_TOP 0x0088
-#define SM_RTC_IER 0x0090
-#define SM_RTC_IDR 0x0094
-#define SM_RTC_IMR 0x0098
-#define SM_RTC_ISR 0x009c
-#define SM_RTC_ICR 0x00a0
-#define SM_WDT_CTRL 0x00b0
-#define SM_WDT_CLR 0x00b4
-#define SM_WDT_EXT 0x00b8
-#define SM_RC_RCAUSE 0x00c0
-#define SM_EIM_IER 0x0100
-#define SM_EIM_IDR 0x0104
-#define SM_EIM_IMR 0x0108
-#define SM_EIM_ISR 0x010c
-#define SM_EIM_ICR 0x0110
-#define SM_EIM_MODE 0x0114
-#define SM_EIM_EDGE 0x0118
-#define SM_EIM_LEVEL 0x011c
-#define SM_EIM_TEST 0x0120
-#define SM_EIM_NMIC 0x0124
-
-/* Bitfields in PM_MCCTRL */
-
-/* Bitfields in PM_CKSEL */
-#define SM_CPUSEL_OFFSET 0
-#define SM_CPUSEL_SIZE 3
-#define SM_CPUDIV_OFFSET 7
-#define SM_CPUDIV_SIZE 1
-#define SM_HSBSEL_OFFSET 8
-#define SM_HSBSEL_SIZE 3
-#define SM_HSBDIV_OFFSET 15
-#define SM_HSBDIV_SIZE 1
-#define SM_PBASEL_OFFSET 16
-#define SM_PBASEL_SIZE 3
-#define SM_PBADIV_OFFSET 23
-#define SM_PBADIV_SIZE 1
-#define SM_PBBSEL_OFFSET 24
-#define SM_PBBSEL_SIZE 3
-#define SM_PBBDIV_OFFSET 31
-#define SM_PBBDIV_SIZE 1
-
-/* Bitfields in PM_CPU_MASK */
-
-/* Bitfields in PM_HSB_MASK */
-
-/* Bitfields in PM_PBA_MASK */
-
-/* Bitfields in PM_PBB_MASK */
-
-/* Bitfields in PM_PLL0 */
-#define SM_PLLEN_OFFSET 0
-#define SM_PLLEN_SIZE 1
-#define SM_PLLOSC_OFFSET 1
-#define SM_PLLOSC_SIZE 1
-#define SM_PLLOPT_OFFSET 2
-#define SM_PLLOPT_SIZE 3
-#define SM_PLLDIV_OFFSET 8
-#define SM_PLLDIV_SIZE 8
-#define SM_PLLMUL_OFFSET 16
-#define SM_PLLMUL_SIZE 8
-#define SM_PLLCOUNT_OFFSET 24
-#define SM_PLLCOUNT_SIZE 6
-#define SM_PLLTEST_OFFSET 31
-#define SM_PLLTEST_SIZE 1
-
-/* Bitfields in PM_PLL1 */
-
-/* Bitfields in PM_VCTRL */
-#define SM_VAUTO_OFFSET 0
-#define SM_VAUTO_SIZE 1
-#define SM_PM_VCTRL_VAL_OFFSET 8
-#define SM_PM_VCTRL_VAL_SIZE 7
-
-/* Bitfields in PM_VMREF */
-#define SM_REFSEL_OFFSET 0
-#define SM_REFSEL_SIZE 4
-
-/* Bitfields in PM_VMV */
-#define SM_PM_VMV_VAL_OFFSET 0
-#define SM_PM_VMV_VAL_SIZE 8
-
-/* Bitfields in PM_IER */
-
-/* Bitfields in PM_IDR */
-
-/* Bitfields in PM_IMR */
-
-/* Bitfields in PM_ISR */
-
-/* Bitfields in PM_ICR */
-#define SM_LOCK0_OFFSET 0
-#define SM_LOCK0_SIZE 1
-#define SM_LOCK1_OFFSET 1
-#define SM_LOCK1_SIZE 1
-#define SM_WAKE_OFFSET 2
-#define SM_WAKE_SIZE 1
-#define SM_VOK_OFFSET 3
-#define SM_VOK_SIZE 1
-#define SM_VMRDY_OFFSET 4
-#define SM_VMRDY_SIZE 1
-#define SM_CKRDY_OFFSET 5
-#define SM_CKRDY_SIZE 1
-
-/* Bitfields in PM_GCCTRL */
-#define SM_OSCSEL_OFFSET 0
-#define SM_OSCSEL_SIZE 1
-#define SM_PLLSEL_OFFSET 1
-#define SM_PLLSEL_SIZE 1
-#define SM_CEN_OFFSET 2
-#define SM_CEN_SIZE 1
-#define SM_CPC_OFFSET 3
-#define SM_CPC_SIZE 1
-#define SM_DIVEN_OFFSET 4
-#define SM_DIVEN_SIZE 1
-#define SM_DIV_OFFSET 8
-#define SM_DIV_SIZE 8
-
-/* Bitfields in RTC_CTRL */
-#define SM_PCLR_OFFSET 1
-#define SM_PCLR_SIZE 1
-#define SM_TOPEN_OFFSET 2
-#define SM_TOPEN_SIZE 1
-#define SM_CLKEN_OFFSET 3
-#define SM_CLKEN_SIZE 1
-#define SM_PSEL_OFFSET 8
-#define SM_PSEL_SIZE 16
-
-/* Bitfields in RTC_VAL */
-#define SM_RTC_VAL_VAL_OFFSET 0
-#define SM_RTC_VAL_VAL_SIZE 31
-
-/* Bitfields in RTC_TOP */
-#define SM_RTC_TOP_VAL_OFFSET 0
-#define SM_RTC_TOP_VAL_SIZE 32
-
-/* Bitfields in RTC_IER */
-
-/* Bitfields in RTC_IDR */
-
-/* Bitfields in RTC_IMR */
-
-/* Bitfields in RTC_ISR */
-
-/* Bitfields in RTC_ICR */
-#define SM_TOPI_OFFSET 0
-#define SM_TOPI_SIZE 1
-
-/* Bitfields in WDT_CTRL */
-#define SM_KEY_OFFSET 24
-#define SM_KEY_SIZE 8
-
-/* Bitfields in WDT_CLR */
-
-/* Bitfields in WDT_EXT */
-
-/* Bitfields in RC_RCAUSE */
-#define SM_POR_OFFSET 0
-#define SM_POR_SIZE 1
-#define SM_BOD_OFFSET 1
-#define SM_BOD_SIZE 1
-#define SM_EXT_OFFSET 2
-#define SM_EXT_SIZE 1
-#define SM_WDT_OFFSET 3
-#define SM_WDT_SIZE 1
-#define SM_NTAE_OFFSET 4
-#define SM_NTAE_SIZE 1
-#define SM_SERP_OFFSET 5
-#define SM_SERP_SIZE 1
-
-/* Bitfields in EIM_IER */
-
-/* Bitfields in EIM_IDR */
-
-/* Bitfields in EIM_IMR */
-
-/* Bitfields in EIM_ISR */
-
-/* Bitfields in EIM_ICR */
-
-/* Bitfields in EIM_MODE */
-
-/* Bitfields in EIM_EDGE */
-#define SM_INT0_OFFSET 0
-#define SM_INT0_SIZE 1
-#define SM_INT1_OFFSET 1
-#define SM_INT1_SIZE 1
-#define SM_INT2_OFFSET 2
-#define SM_INT2_SIZE 1
-#define SM_INT3_OFFSET 3
-#define SM_INT3_SIZE 1
-
-/* Bitfields in EIM_LEVEL */
-
-/* Bitfields in EIM_TEST */
-#define SM_TESTEN_OFFSET 31
-#define SM_TESTEN_SIZE 1
-
-/* Bitfields in EIM_NMIC */
-#define SM_EN_OFFSET 0
-#define SM_EN_SIZE 1
-
-/* Bit manipulation macros */
-#define SM_BIT(name) (1 << SM_##name##_OFFSET)
-#define SM_BF(name,value) (((value) & ((1 << SM_##name##_SIZE) - 1)) << SM_##name##_OFFSET)
-#define SM_BFEXT(name,value) (((value) >> SM_##name##_OFFSET) & ((1 << SM_##name##_SIZE) - 1))
-#define SM_BFINS(name,value,old) (((old) & ~(((1 << SM_##name##_SIZE) - 1) << SM_##name##_OFFSET)) | SM_BF(name,value))
-
-/* Register access macros */
-#define sm_readl(port,reg) \
- __raw_readl((port)->regs + SM_##reg)
-#define sm_writel(port,reg,value) \
- __raw_writel((value), (port)->regs + SM_##reg)
-
-#endif /* __ASM_AVR32_SM_H__ */
diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
index 4b2495285d9..ae2d2c593b2 100644
--- a/arch/avr32/mm/fault.c
+++ b/arch/avr32/mm/fault.c
@@ -64,6 +64,7 @@ asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs)
int writeaccess;
long signr;
int code;
+ int fault;
if (notify_page_fault(regs, ecr))
return;
@@ -132,20 +133,18 @@ good_area:
* fault.
*/
survive:
- switch (handle_mm_fault(mm, vma, address, writeaccess)) {
- case VM_FAULT_MINOR:
- tsk->min_flt++;
- break;
- case VM_FAULT_MAJOR:
- tsk->maj_flt++;
- break;
- case VM_FAULT_SIGBUS:
- goto do_sigbus;
- case VM_FAULT_OOM:
- goto out_of_memory;
- default:
+ fault = handle_mm_fault(mm, vma, address, writeaccess);
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
BUG();
}
+ if (fault & VM_FAULT_MAJOR)
+ tsk->maj_flt++;
+ else
+ tsk->min_flt++;
up_read(&mm->mmap_sem);
return;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-21 05:09:37 +0000