Revision e0087e61 hw/sparc32_dma.c
| b/hw/sparc32_dma.c | ||
|---|---|---|
| 44 | 44 |
/* We need the mask, because one instance of the device is not page |
| 45 | 45 |
aligned (ledma, start address 0x0010) */ |
| 46 | 46 |
#define DMA_MASK (DMA_SIZE - 1) |
| 47 |
/* ledma has more than 4 registers, Solaris reads the 5th one */
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|
| 47 |
/* OBP says 0x20 bytes for ledma, the extras are aliased to espdma */
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|
| 48 | 48 |
#define DMA_ETH_SIZE (8 * sizeof(uint32_t)) |
| 49 | 49 |
#define DMA_MAX_REG_OFFSET (2 * DMA_SIZE - 1) |
| 50 | 50 |
|
| ... | ... | |
| 170 | 170 |
uint32_t saddr; |
| 171 | 171 |
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| 172 | 172 |
if (s->is_ledma && (addr > DMA_MAX_REG_OFFSET)) {
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| 173 |
return 0; /* extra mystery register(s) */ |
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| 173 |
/* aliased to espdma, but we can't get there from here */ |
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| 174 |
/* buggy driver if using undocumented behavior, just return 0 */ |
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trace_sparc32_dma_mem_readl(addr, 0); |
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return 0; |
|
| 174 | 177 |
} |
| 175 | 178 |
saddr = (addr & DMA_MASK) >> 2; |
| 176 | 179 |
trace_sparc32_dma_mem_readl(addr, s->dmaregs[saddr]); |
| ... | ... | |
| 183 | 186 |
uint32_t saddr; |
| 184 | 187 |
|
| 185 | 188 |
if (s->is_ledma && (addr > DMA_MAX_REG_OFFSET)) {
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| 186 |
return; /* extra mystery register(s) */ |
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| 189 |
/* aliased to espdma, but we can't get there from here */ |
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trace_sparc32_dma_mem_writel(addr, 0, val); |
|
| 191 |
return; |
|
| 187 | 192 |
} |
| 188 | 193 |
saddr = (addr & DMA_MASK) >> 2; |
| 189 | 194 |
trace_sparc32_dma_mem_writel(addr, s->dmaregs[saddr], val); |
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