diff options
Diffstat (limited to 'Documentation/mips/AU1xxx_IDE.README')
-rw-r--r-- | Documentation/mips/AU1xxx_IDE.README | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/Documentation/mips/AU1xxx_IDE.README b/Documentation/mips/AU1xxx_IDE.README index 5c8334123f4f..25a6ed1aaa5b 100644 --- a/Documentation/mips/AU1xxx_IDE.README +++ b/Documentation/mips/AU1xxx_IDE.README | |||
@@ -46,8 +46,6 @@ Two files are introduced: | |||
46 | 46 | ||
47 | a) 'include/asm-mips/mach-au1x00/au1xxx_ide.h' | 47 | a) 'include/asm-mips/mach-au1x00/au1xxx_ide.h' |
48 | containes : struct _auide_hwif | 48 | containes : struct _auide_hwif |
49 | struct drive_list_entry dma_white_list | ||
50 | struct drive_list_entry dma_black_list | ||
51 | timing parameters for PIO mode 0/1/2/3/4 | 49 | timing parameters for PIO mode 0/1/2/3/4 |
52 | timing parameters for MWDMA 0/1/2 | 50 | timing parameters for MWDMA 0/1/2 |
53 | 51 | ||
@@ -63,12 +61,6 @@ Four configs variables are introduced: | |||
63 | CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ - maximum transfer size | 61 | CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ - maximum transfer size |
64 | per descriptor | 62 | per descriptor |
65 | 63 | ||
66 | If MWDMA is enabled and the connected hard disc is not on the white list, the | ||
67 | kernel switches to a "safe mwdma mode" at boot time. In this mode the IDE | ||
68 | performance is substantial slower then in full speed mwdma. In this case | ||
69 | please add your hard disc to the white list (follow instruction from 'ADD NEW | ||
70 | HARD DISC TO WHITE OR BLACK LIST' section). | ||
71 | |||
72 | 64 | ||
73 | SUPPORTED IDE MODES | 65 | SUPPORTED IDE MODES |
74 | ------------------- | 66 | ------------------- |
@@ -120,44 +112,6 @@ CONFIG_IDEDMA_AUTO=y | |||
120 | Also undefine 'IDE_AU1XXX_BURSTMODE' in 'drivers/ide/mips/au1xxx-ide.c' to | 112 | Also undefine 'IDE_AU1XXX_BURSTMODE' in 'drivers/ide/mips/au1xxx-ide.c' to |
121 | disable the burst support on DBDMA controller. | 113 | disable the burst support on DBDMA controller. |
122 | 114 | ||
123 | ADD NEW HARD DISC TO WHITE OR BLACK LIST | ||
124 | ---------------------------------------- | ||
125 | |||
126 | Step 1 : detect the model name of your hard disc | ||
127 | |||
128 | a) connect your hard disc to the AU1XXX | ||
129 | |||
130 | b) boot your kernel and get the hard disc model. | ||
131 | |||
132 | Example boot log: | ||
133 | |||
134 | --snipped-- | ||
135 | Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 | ||
136 | ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx | ||
137 | Au1xxx IDE(builtin) configured for MWDMA2 | ||
138 | Probing IDE interface ide0... | ||
139 | hda: Maxtor 6E040L0, ATA DISK drive | ||
140 | ide0 at 0xac800000-0xac800007,0xac8001c0 on irq 64 | ||
141 | hda: max request size: 64KiB | ||
142 | hda: 80293248 sectors (41110 MB) w/2048KiB Cache, CHS=65535/16/63, (U)DMA | ||
143 | --snipped-- | ||
144 | |||
145 | In this example 'Maxtor 6E040L0'. | ||
146 | |||
147 | Step 2 : edit 'include/asm-mips/mach-au1x00/au1xxx_ide.h' | ||
148 | |||
149 | Add your hard disc to the dma_white_list or dma_black_list structur. | ||
150 | |||
151 | Step 3 : Recompile the kernel | ||
152 | |||
153 | Enable MWDMA support in the kernel configuration. Recompile the kernel and | ||
154 | reboot. | ||
155 | |||
156 | Step 4 : Tests | ||
157 | |||
158 | If you have add a hard disc to the white list, please run some stress tests | ||
159 | for verification. | ||
160 | |||
161 | 115 | ||
162 | ACKNOWLEDGMENTS | 116 | ACKNOWLEDGMENTS |
163 | --------------- | 117 | --------------- |