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Diffstat (limited to 'include/asm-arm/arch-ixp4xx/platform.h')
-rw-r--r--include/asm-arm/arch-ixp4xx/platform.h24
1 files changed, 10 insertions, 14 deletions
diff --git a/include/asm-arm/arch-ixp4xx/platform.h b/include/asm-arm/arch-ixp4xx/platform.h
index f14ed63..daf9790 100644
--- a/include/asm-arm/arch-ixp4xx/platform.h
+++ b/include/asm-arm/arch-ixp4xx/platform.h
@@ -26,16 +26,17 @@
*/
#define IXP4XX_EXP_BUS_BASE_PHYS (0x50000000)
-#define IXP4XX_EXP_BUS_CSX_REGION_SIZE (0x01000000)
+/*
+ * The expansion bus on the IXP4xx can be configured for either 16 or
+ * 32MB windows and the CS offset for each region changes based on the
+ * current configuration. This means that we cannot simply hardcode
+ * each offset. ixp4xx_sys_init() looks at the expansion bus configuration
+ * as setup by the bootloader to determine our window size.
+ */
+extern unsigned long ixp4xx_exp_bus_size;
-#define IXP4XX_EXP_BUS_CS0_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x00000000)
-#define IXP4XX_EXP_BUS_CS1_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x01000000)
-#define IXP4XX_EXP_BUS_CS2_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x02000000)
-#define IXP4XX_EXP_BUS_CS3_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x03000000)
-#define IXP4XX_EXP_BUS_CS4_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x04000000)
-#define IXP4XX_EXP_BUS_CS5_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x05000000)
-#define IXP4XX_EXP_BUS_CS6_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x06000000)
-#define IXP4XX_EXP_BUS_CS7_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x07000000)
+#define IXP4XX_EXP_BUS_BASE(region)\
+ (IXP4XX_EXP_BUS_BASE_PHYS + ((region) * ixp4xx_exp_bus_size))
#define IXP4XX_FLASH_WRITABLE (0x2)
#define IXP4XX_FLASH_DEFAULT (0xbcd23c40)
@@ -112,10 +113,5 @@ static inline void gpio_line_set(u8 line, int value)
*IXP4XX_GPIO_GPOUTR &= ~(1 << line);
}
-static inline void gpio_line_isr_clear(u8 line)
-{
- *IXP4XX_GPIO_GPISR = (1 << line);
-}
-
#endif // __ASSEMBLY__