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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-24 15:32:01 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-24 15:32:01 -0700
commitf647a27417d2adc43d8c96d3d6f837422fbc076e (patch)
tree3cac5147575ba4cbd63cb8fa226b95e7886e1d7c /include/asm-arm
parent75043cb5b386e5a01fd03b88f647dd992de02f97 (diff)
parent2966207c7e5945947c4db3a48aa4fa819807c5be (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/arch-ixp2000/gpio.h31
-rw-r--r--include/asm-arm/arch-ixp2000/io.h76
-rw-r--r--include/asm-arm/arch-ixp2000/platform.h22
-rw-r--r--include/asm-arm/arch-ixp4xx/debug-macro.S1
-rw-r--r--include/asm-arm/arch-ixp4xx/ixp4xx-regs.h10
-rw-r--r--include/asm-arm/io.h2
6 files changed, 100 insertions, 42 deletions
diff --git a/include/asm-arm/arch-ixp2000/gpio.h b/include/asm-arm/arch-ixp2000/gpio.h
index 84634af5cc6..03cbbe1fd9d 100644
--- a/include/asm-arm/arch-ixp2000/gpio.h
+++ b/include/asm-arm/arch-ixp2000/gpio.h
@@ -1,5 +1,5 @@
/*
- * include/asm-arm/arch-ixp2000/ixp2000-gpio.h
+ * include/asm-arm/arch-ixp2000/gpio.h
*
* Copyright (C) 2002 Intel Corporation.
*
@@ -16,26 +16,18 @@
* Use this instead of directly setting the GPIO registers.
* GPIOs may also be used as GPIOs (e.g. for emulating i2c/smb)
*/
-#ifndef _ASM_ARCH_IXP2000_GPIO_H_
-#define _ASM_ARCH_IXP2000_GPIO_H_
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H
#ifndef __ASSEMBLY__
-#define GPIO_OUT 0x0
-#define GPIO_IN 0x80
+
+#define GPIO_IN 0
+#define GPIO_OUT 1
#define IXP2000_GPIO_LOW 0
#define IXP2000_GPIO_HIGH 1
-#define GPIO_NO_EDGES 0
-#define GPIO_FALLING_EDGE 1
-#define GPIO_RISING_EDGE 2
-#define GPIO_BOTH_EDGES 3
-#define GPIO_LEVEL_LOW 4
-#define GPIO_LEVEL_HIGH 8
-
-extern void set_GPIO_IRQ_edge(int gpio_nr, int edge);
-extern void set_GPIO_IRQ_level(int gpio_nr, int level);
-extern void gpio_line_config(int line, int style);
+extern void gpio_line_config(int line, int direction);
static inline int gpio_line_get(int line)
{
@@ -45,11 +37,12 @@ static inline int gpio_line_get(int line)
static inline void gpio_line_set(int line, int value)
{
if (value == IXP2000_GPIO_HIGH) {
- ixp_reg_write(IXP2000_GPIO_POSR, BIT(line));
- } else if (value == IXP2000_GPIO_LOW)
- ixp_reg_write(IXP2000_GPIO_POCR, BIT(line));
+ ixp2000_reg_write(IXP2000_GPIO_POSR, 1 << line);
+ } else if (value == IXP2000_GPIO_LOW) {
+ ixp2000_reg_write(IXP2000_GPIO_POCR, 1 << line);
+ }
}
#endif /* !__ASSEMBLY__ */
-#endif /* ASM_ARCH_IXP2000_GPIO_H_ */
+#endif /* ASM_ARCH_IXP2000_GPIO_H_ */
diff --git a/include/asm-arm/arch-ixp2000/io.h b/include/asm-arm/arch-ixp2000/io.h
index 083462668e1..5e56b47446e 100644
--- a/include/asm-arm/arch-ixp2000/io.h
+++ b/include/asm-arm/arch-ixp2000/io.h
@@ -27,8 +27,8 @@
* since that isn't available on the A? revisions we just keep doing
* things manually.
*/
-#define alignb(addr) (void __iomem *)((unsigned long)addr ^ 3)
-#define alignw(addr) (void __iomem *)((unsigned long)addr ^ 2)
+#define alignb(addr) (void __iomem *)((unsigned long)(addr) ^ 3)
+#define alignw(addr) (void __iomem *)((unsigned long)(addr) ^ 2)
#define outb(v,p) __raw_writeb((v),alignb(___io(p)))
#define outw(v,p) __raw_writew((v),alignw(___io(p)))
@@ -48,6 +48,78 @@
#define insw(p,d,l) __raw_readsw(alignw(___io(p)),d,l)
#define insl(p,d,l) __raw_readsl(___io(p),d,l)
+#define __is_io_address(p) ((((unsigned long)(p)) & ~(IXP2000_PCI_IO_SIZE - 1)) == IXP2000_PCI_IO_VIRT_BASE)
+
+#define ioread8(p) \
+ ({ \
+ unsigned int __v; \
+ \
+ if (__is_io_address(p)) { \
+ __v = __raw_readb(alignb(p)); \
+ } else { \
+ __v = __raw_readb(p); \
+ } \
+ \
+ __v; \
+ }) \
+
+#define ioread16(p) \
+ ({ \
+ unsigned int __v; \
+ \
+ if (__is_io_address(p)) { \
+ __v = __raw_readw(alignw(p)); \
+ } else { \
+ __v = le16_to_cpu(__raw_readw(p)); \
+ } \
+ \
+ __v; \
+ })
+
+#define ioread32(p) \
+ ({ \
+ unsigned int __v; \
+ \
+ if (__is_io_address(p)) { \
+ __v = __raw_readl(p); \
+ } else { \
+ __v = le32_to_cpu(__raw_readl(p)); \
+ } \
+ \
+ __v; \
+ })
+
+#define iowrite8(v,p) \
+ ({ \
+ if (__is_io_address(p)) { \
+ __raw_writeb((v), alignb(p)); \
+ } else { \
+ __raw_writeb((v), p); \
+ } \
+ })
+
+#define iowrite16(v,p) \
+ ({ \
+ if (__is_io_address(p)) { \
+ __raw_writew((v), alignw(p)); \
+ } else { \
+ __raw_writew(cpu_to_le16(v), p); \
+ } \
+ })
+
+#define iowrite32(v,p) \
+ ({ \
+ if (__is_io_address(p)) { \
+ __raw_writel((v), p); \
+ } else { \
+ __raw_writel(cpu_to_le32(v), p); \
+ } \
+ })
+
+#define ioport_map(port, nr) ___io(port)
+
+#define ioport_unmap(addr)
+
#ifdef CONFIG_ARCH_IXDP2X01
/*
diff --git a/include/asm-arm/arch-ixp2000/platform.h b/include/asm-arm/arch-ixp2000/platform.h
index 901bba6d02b..52ded516ea5 100644
--- a/include/asm-arm/arch-ixp2000/platform.h
+++ b/include/asm-arm/arch-ixp2000/platform.h
@@ -138,30 +138,10 @@ struct ixp2000_flash_data {
unsigned long (*bank_setup)(unsigned long);
};
-/*
- * GPIO helper functions
- */
-#define GPIO_IN 0
-#define GPIO_OUT 1
-
-extern void gpio_line_config(int line, int style);
-
-static inline int gpio_line_get(int line)
-{
- return (((*IXP2000_GPIO_PLR) >> line) & 1);
-}
-
-static inline void gpio_line_set(int line, int value)
-{
- if (value)
- ixp2000_reg_write(IXP2000_GPIO_POSR, (1 << line));
- else
- ixp2000_reg_write(IXP2000_GPIO_POCR, (1 << line));
-}
-
struct ixp2000_i2c_pins {
unsigned long sda_pin;
unsigned long scl_pin;
};
+
#endif /* !__ASSEMBLY__ */
diff --git a/include/asm-arm/arch-ixp4xx/debug-macro.S b/include/asm-arm/arch-ixp4xx/debug-macro.S
index 4499ae8e4b4..45a6c6cc29d 100644
--- a/include/asm-arm/arch-ixp4xx/debug-macro.S
+++ b/include/asm-arm/arch-ixp4xx/debug-macro.S
@@ -14,6 +14,7 @@
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
moveq \rx, #0xc8000000
+ orrne \rx, \rx, #0x00b00000
movne \rx, #0xff000000
add \rx,\rx,#3 @ Uart regs are at off set of 3 if
@ byte writes used - Big Endian.
diff --git a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
index 8eeb1db6309..004696a95bd 100644
--- a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
+++ b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h
@@ -69,6 +69,16 @@
#define IXP4XX_PERIPHERAL_BASE_VIRT (0xFFBF2000)
#define IXP4XX_PERIPHERAL_REGION_SIZE (0x0000C000)
+/*
+ * Debug UART
+ *
+ * This is basically a remap of UART1 into a region that is section
+ * aligned so that it * can be used with the low-level debug code.
+ */
+#define IXP4XX_DEBUG_UART_BASE_PHYS (0xC8000000)
+#define IXP4XX_DEBUG_UART_BASE_VIRT (0xffb00000)
+#define IXP4XX_DEBUG_UART_REGION_SIZE (0x00001000)
+
#define IXP4XX_EXP_CS0_OFFSET 0x00
#define IXP4XX_EXP_CS1_OFFSET 0x04
#define IXP4XX_EXP_CS2_OFFSET 0x08
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 08a46302d26..cc4b5f5dbfc 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -275,6 +275,7 @@ extern void __iounmap(void __iomem *addr);
/*
* io{read,write}{8,16,32} macros
*/
+#ifndef ioread8
#define ioread8(p) ({ unsigned int __v = __raw_readb(p); __v; })
#define ioread16(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(p)); __v; })
#define ioread32(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(p)); __v; })
@@ -293,6 +294,7 @@ extern void __iounmap(void __iomem *addr);
extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
extern void ioport_unmap(void __iomem *addr);
+#endif
struct pci_dev;