patch-2.0.34 linux/include/asm-alpha/dma.h

• Lines: 29
• Date: Wed Jun 3 15:17:49 1998
• Orig file: v2.0.33/linux/include/asm-alpha/dma.h
• Orig date: Mon Jun 3 20:06:38 1996

diff -u --recursive --new-file v2.0.33/linux/include/asm-alpha/dma.h linux/include/asm-alpha/dma.h
@@ -75,7 +75,9 @@
 
 #define MAX_DMA_CHANNELS	8
 
-#ifdef CONFIG_ALPHA_XL
+#if defined(CONFIG_ALPHA_RUFFIAN)
+#define MAX_DMA_ADDRESS         (0xfffffc0001000000UL) /* yup, 16Mb :-( */
+#elif defined(CONFIG_ALPHA_XL)
 /* The maximum address that we can perform a DMA transfer to on Alpha XL,
    due to a hardware SIO (PCI<->ISA bus bridge) chip limitation, is 64MB.
    See <asm/apecs.h> for more info.
@@ -87,11 +89,13 @@
    For now, this limit is set to 48Mb...
 */
 #define MAX_DMA_ADDRESS		(0xfffffc0003000000UL)
-#else /* CONFIG_ALPHA_XL */
-/* The maximum address that we can perform a DMA transfer to on normal
-   Alpha platforms */
+#else
+/*
+ * The maximum address that we can perform a DMA transfer to on
+ * normal Alpha platforms
+ */
 #define MAX_DMA_ADDRESS		(~0UL)
-#endif /* CONFIG_ALPHA_XL */
+#endif
 
 /* 8237 DMA controllers */
 #define IO_DMA1_BASE	0x00	/* 8 bit slave DMA, channels 0..3 */