X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fata.h;h=e31377a3f329c213bc9cd5c22b373bce95c4415e;hb=a7dc3322984b3c76fe990de506418e180ec1b0de;hp=7f79e8ce56135406be3d0f5e565ba43e3a39d804;hpb=c535b3199977444c3aa2c44b852cc82ce659c5ff;p=palacios.git diff --git a/palacios/src/devices/ata.h b/palacios/src/devices/ata.h index 7f79e8c..e31377a 100644 --- a/palacios/src/devices/ata.h +++ b/palacios/src/devices/ata.h @@ -56,6 +56,7 @@ static void ata_identify_device(struct ide_drive * drive) { // 32 bits access drive_id->dword_io = 1; + // enable DMA access drive_id->dma_enable = 1; @@ -68,15 +69,21 @@ static void ata_identify_device(struct ide_drive * drive) { // Drive Capacity (48 bit LBA) drive_id->lba_capacity_2 = drive->hd_ops->get_capacity(drive->private_data); + // lower byte is the maximum multiple sector size... drive_id->rw_multiples = 0x8000 | MAX_MULT_SECTORS; + + // words 64-70, 54-58 valid drive_id->field_valid = 0x0007; // DMA + pkg cmd valid + // copied from CFA540A - drive_id->buf[63] = 0x0103; // variable (DMA stuff) + // drive_id->buf[63] = 0x0103; // variable (DMA stuff) //drive_id->buf[63] = 0x0000; // variable (DMA stuff) + drive_id->buf[63] = 0x0007; + // drive_id->buf[64] = 0x0001; // PIO drive_id->buf[65] = 0x00b4; @@ -90,10 +97,12 @@ static void ata_identify_device(struct ide_drive * drive) { // drive_id->buf[80] = 0x1e; // supports up to ATA/ATAPI-4 drive_id->major_rev_num = 0x0040; // supports up to ATA/ATAPI-6 + drive_id->buf[83] |= 0x0400; // supports 48 bit LBA drive_id->dma_ultra = 0x2020; // Ultra_DMA_Mode_5_Selected | Ultra_DMA_Mode_5_Supported; + }