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-rw-r--r--arch/arm/mach-footbridge/cats-hw.c1
-rw-r--r--arch/arm/mach-footbridge/common.c1
-rw-r--r--arch/arm/mach-footbridge/dc21285-timer.c1
-rw-r--r--arch/arm/mach-footbridge/dc21285.c1
-rw-r--r--arch/arm/mach-footbridge/dma.c1
-rw-r--r--arch/arm/mach-footbridge/ebsa285.c1
-rw-r--r--arch/arm/mach-footbridge/include/mach/hardware.h14
-rw-r--r--arch/arm/mach-footbridge/include/mach/io.h3
-rw-r--r--arch/arm/mach-footbridge/include/mach/isa-dma.h (renamed from arch/arm/mach-footbridge/include/mach/dma.h)2
-rw-r--r--arch/arm/mach-footbridge/include/mach/memory.h9
-rw-r--r--arch/arm/mach-footbridge/isa-irq.c1
-rw-r--r--arch/arm/mach-footbridge/netwinder-hw.c54
-rw-r--r--arch/arm/mach-footbridge/netwinder-leds.c7
-rw-r--r--arch/arm/mach-footbridge/personal.c1
14 files changed, 55 insertions, 42 deletions
diff --git a/arch/arm/mach-footbridge/cats-hw.c b/arch/arm/mach-footbridge/cats-hw.c
index 6a5b437ab86..1b996b26d2e 100644
--- a/arch/arm/mach-footbridge/cats-hw.c
+++ b/arch/arm/mach-footbridge/cats-hw.c
@@ -10,6 +10,7 @@
#include <linux/init.h>
#include <linux/screen_info.h>
#include <linux/io.h>
+#include <linux/spinlock.h>
#include <asm/hardware/dec21285.h>
#include <asm/mach-types.h>
diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c
index 818014e09f4..36ff06d4df1 100644
--- a/arch/arm/mach-footbridge/common.c
+++ b/arch/arm/mach-footbridge/common.c
@@ -14,6 +14,7 @@
#include <linux/list.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/spinlock.h>
#include <asm/pgtable.h>
#include <asm/page.h>
diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c
index b2a21189dd8..da35bc5c5cc 100644
--- a/arch/arm/mach-footbridge/dc21285-timer.c
+++ b/arch/arm/mach-footbridge/dc21285-timer.c
@@ -7,6 +7,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
+#include <linux/spinlock.h>
#include <asm/irq.h>
diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c
index d4c1e526f59..133086019e3 100644
--- a/arch/arm/mach-footbridge/dc21285.c
+++ b/arch/arm/mach-footbridge/dc21285.c
@@ -17,6 +17,7 @@
#include <linux/ioport.h>
#include <linux/irq.h>
#include <linux/io.h>
+#include <linux/spinlock.h>
#include <asm/irq.h>
#include <asm/system.h>
diff --git a/arch/arm/mach-footbridge/dma.c b/arch/arm/mach-footbridge/dma.c
index b653e9cfa3f..4f350634696 100644
--- a/arch/arm/mach-footbridge/dma.c
+++ b/arch/arm/mach-footbridge/dma.c
@@ -12,6 +12,7 @@
*/
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/spinlock.h>
#include <asm/dma.h>
#include <asm/scatterlist.h>
diff --git a/arch/arm/mach-footbridge/ebsa285.c b/arch/arm/mach-footbridge/ebsa285.c
index b1d3bf20a41..30040fd588c 100644
--- a/arch/arm/mach-footbridge/ebsa285.c
+++ b/arch/arm/mach-footbridge/ebsa285.c
@@ -4,6 +4,7 @@
* EBSA285 machine fixup
*/
#include <linux/init.h>
+#include <linux/spinlock.h>
#include <asm/hardware/dec21285.h>
#include <asm/mach-types.h>
diff --git a/arch/arm/mach-footbridge/include/mach/hardware.h b/arch/arm/mach-footbridge/include/mach/hardware.h
index ffaea90486f..51dd902043a 100644
--- a/arch/arm/mach-footbridge/include/mach/hardware.h
+++ b/arch/arm/mach-footbridge/include/mach/hardware.h
@@ -12,8 +12,6 @@
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
-#include <mach/memory.h>
-
/* Virtual Physical Size
* 0xff800000 0x40000000 1MB X-Bus
* 0xff000000 0x7c000000 1MB PCI I/O space
@@ -28,9 +26,6 @@
#define XBUS_SIZE 0x00100000
#define XBUS_BASE 0xff800000
-#define PCIO_SIZE 0x00100000
-#define PCIO_BASE 0xff000000
-
#define ARMCSR_SIZE 0x00100000
#define ARMCSR_BASE 0xfe000000
@@ -91,10 +86,11 @@
#define CPLD_FLASH_WR_ENABLE 1
#ifndef __ASSEMBLY__
-extern void gpio_modify_op(int mask, int set);
-extern void gpio_modify_io(int mask, int in);
-extern int gpio_read(void);
-extern void cpld_modify(int mask, int set);
+extern spinlock_t nw_gpio_lock;
+extern void nw_gpio_modify_op(unsigned int mask, unsigned int set);
+extern void nw_gpio_modify_io(unsigned int mask, unsigned int in);
+extern unsigned int nw_gpio_read(void);
+extern void nw_cpld_modify(unsigned int mask, unsigned int set);
#endif
#define pcibios_assign_all_busses() 1
diff --git a/arch/arm/mach-footbridge/include/mach/io.h b/arch/arm/mach-footbridge/include/mach/io.h
index a7b06623999..101a4fe90bd 100644
--- a/arch/arm/mach-footbridge/include/mach/io.h
+++ b/arch/arm/mach-footbridge/include/mach/io.h
@@ -14,7 +14,8 @@
#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
-#include <mach/hardware.h>
+#define PCIO_SIZE 0x00100000
+#define PCIO_BASE 0xff000000
#define IO_SPACE_LIMIT 0xffff
diff --git a/arch/arm/mach-footbridge/include/mach/dma.h b/arch/arm/mach-footbridge/include/mach/isa-dma.h
index 62afd213eff..5bd4a0d338a 100644
--- a/arch/arm/mach-footbridge/include/mach/dma.h
+++ b/arch/arm/mach-footbridge/include/mach/isa-dma.h
@@ -1,5 +1,5 @@
/*
- * arch/arm/mach-footbridge/include/mach/dma.h
+ * arch/arm/mach-footbridge/include/mach/isa-dma.h
*
* Architecture DMA routines
*
diff --git a/arch/arm/mach-footbridge/include/mach/memory.h b/arch/arm/mach-footbridge/include/mach/memory.h
index 6ae2f1a07ab..cb16e59d87b 100644
--- a/arch/arm/mach-footbridge/include/mach/memory.h
+++ b/arch/arm/mach-footbridge/include/mach/memory.h
@@ -30,9 +30,18 @@
extern unsigned long __virt_to_bus(unsigned long);
extern unsigned long __bus_to_virt(unsigned long);
#endif
+#define __virt_to_bus __virt_to_bus
+#define __bus_to_virt __bus_to_virt
#elif defined(CONFIG_FOOTBRIDGE_HOST)
+/*
+ * The footbridge is programmed to expose the system RAM at the corresponding
+ * address. So, if PAGE_OFFSET is 0xc0000000, RAM appears at 0xe0000000.
+ * If 0x80000000, then its exposed at 0xa0000000 on the bus. etc.
+ * The only requirement is that the RAM isn't placed at bus address 0 which
+ * would clash with VGA cards.
+ */
#define __virt_to_bus(x) ((x) - 0xe0000000)
#define __bus_to_virt(x) ((x) + 0xe0000000)
diff --git a/arch/arm/mach-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c
index 54fec9ae28b..9ee80a211d3 100644
--- a/arch/arm/mach-footbridge/isa-irq.c
+++ b/arch/arm/mach-footbridge/isa-irq.c
@@ -19,6 +19,7 @@
#include <linux/list.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/spinlock.h>
#include <asm/mach/irq.h>
diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c
index 00b0ddcac28..ac7ffa6fc41 100644
--- a/arch/arm/mach-footbridge/netwinder-hw.c
+++ b/arch/arm/mach-footbridge/netwinder-hw.c
@@ -11,6 +11,7 @@
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/spinlock.h>
#include <asm/hardware/dec21285.h>
#include <asm/leds.h>
@@ -67,13 +68,14 @@ static inline void wb977_ww(int reg, int val)
/*
* This is a lock for accessing ports GP1_IO_BASE and GP2_IO_BASE
*/
-DEFINE_SPINLOCK(gpio_lock);
+DEFINE_SPINLOCK(nw_gpio_lock);
+EXPORT_SYMBOL(nw_gpio_lock);
static unsigned int current_gpio_op;
static unsigned int current_gpio_io;
static unsigned int current_cpld;
-void gpio_modify_op(int mask, int set)
+void nw_gpio_modify_op(unsigned int mask, unsigned int set)
{
unsigned int new_gpio, changed;
@@ -86,6 +88,7 @@ void gpio_modify_op(int mask, int set)
if (changed & 0xff00)
outb(new_gpio >> 8, GP2_IO_BASE);
}
+EXPORT_SYMBOL(nw_gpio_modify_op);
static inline void __gpio_modify_io(int mask, int in)
{
@@ -118,7 +121,7 @@ static inline void __gpio_modify_io(int mask, int in)
}
}
-void gpio_modify_io(int mask, int in)
+void nw_gpio_modify_io(unsigned int mask, unsigned int in)
{
/* Open up the SuperIO chip */
wb977_open();
@@ -128,11 +131,13 @@ void gpio_modify_io(int mask, int in)
/* Close up the EFER gate */
wb977_close();
}
+EXPORT_SYMBOL(nw_gpio_modify_io);
-int gpio_read(void)
+unsigned int nw_gpio_read(void)
{
return inb(GP1_IO_BASE) | inb(GP2_IO_BASE) << 8;
}
+EXPORT_SYMBOL(nw_gpio_read);
/*
* Initialise the Winbond W83977F global registers
@@ -322,9 +327,9 @@ static inline void wb977_init_gpio(void)
/*
* Set Group1/Group2 outputs
*/
- spin_lock_irqsave(&gpio_lock, flags);
- gpio_modify_op(-1, GPIO_RED_LED | GPIO_FAN);
- spin_unlock_irqrestore(&gpio_lock, flags);
+ spin_lock_irqsave(&nw_gpio_lock, flags);
+ nw_gpio_modify_op(-1, GPIO_RED_LED | GPIO_FAN);
+ spin_unlock_irqrestore(&nw_gpio_lock, flags);
}
/*
@@ -359,34 +364,35 @@ static void __init wb977_init(void)
wb977_close();
}
-void cpld_modify(int mask, int set)
+void nw_cpld_modify(unsigned int mask, unsigned int set)
{
int msk;
current_cpld = (current_cpld & ~mask) | set;
- gpio_modify_io(GPIO_DATA | GPIO_IOCLK | GPIO_IOLOAD, 0);
- gpio_modify_op(GPIO_IOLOAD, 0);
+ nw_gpio_modify_io(GPIO_DATA | GPIO_IOCLK | GPIO_IOLOAD, 0);
+ nw_gpio_modify_op(GPIO_IOLOAD, 0);
for (msk = 8; msk; msk >>= 1) {
int bit = current_cpld & msk;
- gpio_modify_op(GPIO_DATA | GPIO_IOCLK, bit ? GPIO_DATA : 0);
- gpio_modify_op(GPIO_IOCLK, GPIO_IOCLK);
+ nw_gpio_modify_op(GPIO_DATA | GPIO_IOCLK, bit ? GPIO_DATA : 0);
+ nw_gpio_modify_op(GPIO_IOCLK, GPIO_IOCLK);
}
- gpio_modify_op(GPIO_IOCLK|GPIO_DATA, 0);
- gpio_modify_op(GPIO_IOLOAD|GPIO_DSCLK, GPIO_IOLOAD|GPIO_DSCLK);
- gpio_modify_op(GPIO_IOLOAD, 0);
+ nw_gpio_modify_op(GPIO_IOCLK|GPIO_DATA, 0);
+ nw_gpio_modify_op(GPIO_IOLOAD|GPIO_DSCLK, GPIO_IOLOAD|GPIO_DSCLK);
+ nw_gpio_modify_op(GPIO_IOLOAD, 0);
}
+EXPORT_SYMBOL(nw_cpld_modify);
static void __init cpld_init(void)
{
unsigned long flags;
- spin_lock_irqsave(&gpio_lock, flags);
- cpld_modify(-1, CPLD_UNMUTE | CPLD_7111_DISABLE);
- spin_unlock_irqrestore(&gpio_lock, flags);
+ spin_lock_irqsave(&nw_gpio_lock, flags);
+ nw_cpld_modify(-1, CPLD_UNMUTE | CPLD_7111_DISABLE);
+ spin_unlock_irqrestore(&nw_gpio_lock, flags);
}
static unsigned char rwa_unlock[] __initdata =
@@ -596,12 +602,6 @@ static void __init rwa010_init(void)
rwa010_soundblaster_reset();
}
-EXPORT_SYMBOL(gpio_lock);
-EXPORT_SYMBOL(gpio_modify_op);
-EXPORT_SYMBOL(gpio_modify_io);
-EXPORT_SYMBOL(cpld_modify);
-EXPORT_SYMBOL(gpio_read);
-
/*
* Initialise any other hardware after we've got the PCI bus
* initialised. We may need the PCI bus to talk to this other
@@ -616,9 +616,9 @@ static int __init nw_hw_init(void)
cpld_init();
rwa010_init();
- spin_lock_irqsave(&gpio_lock, flags);
- gpio_modify_op(GPIO_RED_LED|GPIO_GREEN_LED, DEFAULT_LEDS);
- spin_unlock_irqrestore(&gpio_lock, flags);
+ spin_lock_irqsave(&nw_gpio_lock, flags);
+ nw_gpio_modify_op(GPIO_RED_LED|GPIO_GREEN_LED, DEFAULT_LEDS);
+ spin_unlock_irqrestore(&nw_gpio_lock, flags);
}
return 0;
}
diff --git a/arch/arm/mach-footbridge/netwinder-leds.c b/arch/arm/mach-footbridge/netwinder-leds.c
index d91a4f4a32d..00269fe0be8 100644
--- a/arch/arm/mach-footbridge/netwinder-leds.c
+++ b/arch/arm/mach-footbridge/netwinder-leds.c
@@ -32,7 +32,6 @@ static char led_state;
static char hw_led_state;
static DEFINE_SPINLOCK(leds_lock);
-extern spinlock_t gpio_lock;
static void netwinder_leds_event(led_event_t evt)
{
@@ -121,9 +120,9 @@ static void netwinder_leds_event(led_event_t evt)
spin_unlock_irqrestore(&leds_lock, flags);
if (led_state & LED_STATE_ENABLED) {
- spin_lock_irqsave(&gpio_lock, flags);
- gpio_modify_op(GPIO_RED_LED | GPIO_GREEN_LED, hw_led_state);
- spin_unlock_irqrestore(&gpio_lock, flags);
+ spin_lock_irqsave(&nw_gpio_lock, flags);
+ nw_gpio_modify_op(GPIO_RED_LED | GPIO_GREEN_LED, hw_led_state);
+ spin_unlock_irqrestore(&nw_gpio_lock, flags);
}
}
diff --git a/arch/arm/mach-footbridge/personal.c b/arch/arm/mach-footbridge/personal.c
index c4f843fc099..e2c9f0690b1 100644
--- a/arch/arm/mach-footbridge/personal.c
+++ b/arch/arm/mach-footbridge/personal.c
@@ -4,6 +4,7 @@
* Personal server (Skiff) machine fixup
*/
#include <linux/init.h>
+#include <linux/spinlock.h>
#include <asm/hardware/dec21285.h>
#include <asm/mach-types.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 09:20:13 +0000