gwj / at91sam9263 · Commits

Commit d1b5c20dcde176df50f1955e498af252e87a3e9d

Authored by ths
1 parent b6855851

ide: enable single word DMA, by Stefano Stabellini. 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4890 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 10 additions and 0 deletions
hw/ide.c
  View file @d1b5c20
... ... @@ -569,6 +569,7 @@ static void ide_identify(IDEState *s)
569 569 put_le16(p + 59, 0x100 | s->mult_sectors);
570 570 put_le16(p + 60, s->nb_sectors);
571 571 put_le16(p + 61, s->nb_sectors >> 16);
  572 + put_le16(p + 62, 0x07); /* single word dma0-2 supported */
572 573 put_le16(p + 63, 0x07); /* mdma0-2 supported */
573 574 put_le16(p + 65, 120);
574 575 put_le16(p + 66, 120);
... ... @@ -620,6 +621,7 @@ static void ide_atapi_identify(IDEState *s)
620 621 #ifdef USE_DMA_CDROM
621 622 put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */
622 623 put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */
  624 + put_le16(p + 62, 7); /* single word dma0-2 supported */
623 625 put_le16(p + 63, 7); /* mdma0-2 supported */
624 626 put_le16(p + 64, 0x3f); /* PIO modes supported */
625 627 #else
... ... @@ -2194,14 +2196,22 @@ static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
2194 2196 switch (s->nsector >> 3) {
2195 2197 case 0x00: /* pio default */
2196 2198 case 0x01: /* pio mode */
  2199 + put_le16(s->identify_data + 62,0x07);
  2200 + put_le16(s->identify_data + 63,0x07);
  2201 + put_le16(s->identify_data + 88,0x3f);
  2202 + break;
  2203 + case 0x02: /* sigle word dma mode*/
  2204 + put_le16(s->identify_data + 62,0x07 | (1 << (val + 8)));
2197 2205 put_le16(s->identify_data + 63,0x07);
2198 2206 put_le16(s->identify_data + 88,0x3f);
2199 2207 break;
2200 2208 case 0x04: /* mdma mode */
  2209 + put_le16(s->identify_data + 62,0x07);
2201 2210 put_le16(s->identify_data + 63,0x07 | (1 << (val + 8)));
2202 2211 put_le16(s->identify_data + 88,0x3f);
2203 2212 break;
2204 2213 case 0x08: /* udma mode */
  2214 + put_le16(s->identify_data + 62,0x07);
2205 2215 put_le16(s->identify_data + 63,0x07);
2206 2216 put_le16(s->identify_data + 88,0x3f | (1 << (val + 8)));
2207 2217 break;
... ...