diff options
Diffstat (limited to 'drivers/block/umem.h')
-rw-r--r-- | drivers/block/umem.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/block/umem.h b/drivers/block/umem.h index 3a3819afed92..375c68974c9a 100644 --- a/drivers/block/umem.h +++ b/drivers/block/umem.h | |||
@@ -87,13 +87,13 @@ | |||
87 | #define DMASCR_DMA_COMPLETE 0x40000 | 87 | #define DMASCR_DMA_COMPLETE 0x40000 |
88 | #define DMASCR_CHAIN_COMPLETE 0x80000 | 88 | #define DMASCR_CHAIN_COMPLETE 0x80000 |
89 | 89 | ||
90 | /* | 90 | /* |
91 | 3.SOME PCs HAVE HOST BRIDGES WHICH APPARENTLY DO NOT CORRECTLY HANDLE | 91 | 3.SOME PCs HAVE HOST BRIDGES WHICH APPARENTLY DO NOT CORRECTLY HANDLE |
92 | READ-LINE (0xE) OR READ-MULTIPLE (0xC) PCI COMMAND CODES DURING DMA | 92 | READ-LINE (0xE) OR READ-MULTIPLE (0xC) PCI COMMAND CODES DURING DMA |
93 | TRANSFERS. IN OTHER SYSTEMS THESE COMMAND CODES WILL CAUSE THE HOST BRIDGE | 93 | TRANSFERS. IN OTHER SYSTEMS THESE COMMAND CODES WILL CAUSE THE HOST BRIDGE |
94 | TO ALLOW LONGER BURSTS DURING DMA READ OPERATIONS. THE UPPER FOUR BITS | 94 | TO ALLOW LONGER BURSTS DURING DMA READ OPERATIONS. THE UPPER FOUR BITS |
95 | (31..28) OF THE DMA CSR HAVE BEEN MADE PROGRAMMABLE, SO THAT EITHER A 0x6, | 95 | (31..28) OF THE DMA CSR HAVE BEEN MADE PROGRAMMABLE, SO THAT EITHER A 0x6, |
96 | AN 0xE OR A 0xC CAN BE WRITTEN TO THEM TO SET THE COMMAND CODE USED DURING | 96 | AN 0xE OR A 0xC CAN BE WRITTEN TO THEM TO SET THE COMMAND CODE USED DURING |
97 | DMA READ OPERATIONS. | 97 | DMA READ OPERATIONS. |
98 | */ | 98 | */ |
99 | #define DMASCR_READ 0x60000000 | 99 | #define DMASCR_READ 0x60000000 |