// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
// Copyright (C) 2002 MandrakeSoft S.A.
//
-// This file may be distributed under the terms of the GNU GPLv3 license.
+// This file may be distributed under the terms of the GNU LGPLv3 license.
-#include "ata.h" // ATA_*
#include "types.h" // u8
#include "ioport.h" // inb
#include "util.h" // dprintf
#include "cmos.h" // inb_cmos
-#include "pic.h" // unmask_pic2
+#include "pic.h" // enable_hwirq
#include "biosvar.h" // GET_EBDA
+#include "pci.h" // pci_find_class
+#include "pci_ids.h" // PCI_CLASS_STORAGE_OTHER
+#include "pci_regs.h" // PCI_INTERRUPT_LINE
+#include "disk.h" // struct ata_s
+#include "atabits.h" // ATA_CB_STAT
#define TIMEOUT 0
#define BSY 1
#define IDE_TIMEOUT 32000u //32 seconds max for IDE ops
+struct ata_s ATA VAR16_32;
+
/****************************************************************
* Helper functions
static int
await_ide(u8 when_done, u16 base, u16 timeout)
{
- u32 time=0, last=0;
+ u64 end = calc_future_tsc(timeout);
for (;;) {
u8 status = inb(base+ATA_CB_STAT);
- time++;
u8 result = 0;
if (when_done == BSY)
result = status & ATA_CB_STAT_BSY;
if (result)
return status;
- // mod 2048 each 16 ms
- if (time>>16 != last) {
- last = time >>16;
- dprintf(6, "await_ide: (TIMEOUT,BSY,!BSY,!BSY_DRQ"
- ",!BSY_!DRQ,!BSY_RDY) %d time= %d timeout= %d\n"
- , when_done, time>>11, timeout);
- }
if (status & ATA_CB_STAT_ERR) {
dprintf(1, "await_ide: ERROR (TIMEOUT,BSY,!BSY,!BSY_DRQ"
- ",!BSY_!DRQ,!BSY_RDY) %d status=%x time= %d timeout= %d\n"
- , when_done, status, time>>11, timeout);
+ ",!BSY_!DRQ,!BSY_RDY) %d status=%x timeout=%d\n"
+ , when_done, status, timeout);
return -1;
}
- if (timeout == 0 || (time>>11) > timeout)
+ if (rdtscll() >= end)
break;
}
dprintf(1, "IDE time out\n");
return await_ide(when_done, iobase1, timeout);
}
-// Delay for x nanoseconds
-static void
-nsleep(u32 delay)
-{
- // XXX - how to implement ndelay?
- while (delay--)
- nop();
-}
-
// Wait for ide state - pause for 400ns first.
static __always_inline int
ndelay_await_ide(u8 when_done, u16 iobase1, u16 timeout)
{
- nsleep(400);
+ ndelay(400);
return await_ide(when_done, iobase1, timeout);
}
-// Delay for x milliseconds
-static void
-msleep(u32 delay)
-{
- usleep(delay * 1000);
-}
-
// Reset a drive
void
ata_reset(int driveid)
{
u8 channel = driveid / 2;
u8 slave = driveid % 2;
- u16 iobase1 = GET_EBDA(ata.channels[channel].iobase1);
- u16 iobase2 = GET_EBDA(ata.channels[channel].iobase2);
+ u16 iobase1 = GET_GLOBAL(ATA.channels[channel].iobase1);
+ u16 iobase2 = GET_GLOBAL(ATA.channels[channel].iobase2);
// Reset
// 8.2.1 (g) -- check for sc==sn==0x01
// select device
outb(slave ? ATA_CB_DH_DEV1 : ATA_CB_DH_DEV0, iobase1+ATA_CB_DH);
- msleep(50);
+ mdelay(50);
u8 sc = inb(iobase1+ATA_CB_SC);
u8 sn = inb(iobase1+ATA_CB_SN);
// For predetermined ATA drives - wait for ready.
if (sc==0x01 && sn==0x01) {
- u8 type=GET_EBDA(ata.devices[driveid].type);
+ u8 type=GET_GLOBAL(ATA.devices[driveid].type);
if (type == ATA_TYPE_ATA)
await_ide(NOT_BSY_RDY, iobase1, IDE_TIMEOUT);
}
* ATA send command
****************************************************************/
-struct ata_op_s {
- u64 lba;
- void *far_buffer;
- u16 driveid;
- u16 count;
-};
-
struct ata_pio_command {
u8 feature;
u8 sector_count;
send_cmd(int driveid, struct ata_pio_command *cmd)
{
u8 channel = driveid / 2;
- u16 iobase1 = GET_EBDA(ata.channels[channel].iobase1);
- u16 iobase2 = GET_EBDA(ata.channels[channel].iobase2);
+ u16 iobase1 = GET_GLOBAL(ATA.channels[channel].iobase1);
+ u16 iobase2 = GET_GLOBAL(ATA.channels[channel].iobase2);
int status = inb(iobase1 + ATA_CB_STAT);
if (status & ATA_CB_STAT_BSY)
outb(cmd->device, iobase1 + ATA_CB_DH);
if ((device ^ cmd->device) & (1 << 4))
// Wait for device to become active.
- msleep(50);
+ mdelay(50);
if (cmd->command & 0x04) {
outb(0x00, iobase1 + ATA_CB_FR);
, skipfirst, skiplast, far_buffer);
// Reset count of transferred data
- SET_EBDA(ata.trsfsectors, 0);
+ SET_EBDA(sector_count, 0);
u8 channel = driveid / 2;
- u16 iobase1 = GET_EBDA(ata.channels[channel].iobase1);
- u16 iobase2 = GET_EBDA(ata.channels[channel].iobase2);
- u8 mode = GET_EBDA(ata.devices[driveid].mode);
+ u16 iobase1 = GET_GLOBAL(ATA.channels[channel].iobase1);
+ u16 iobase2 = GET_GLOBAL(ATA.channels[channel].iobase2);
+ u8 mode = GET_GLOBAL(ATA.devices[driveid].mode);
int current = 0;
int status;
for (;;) {
return status;
current++;
- SET_EBDA(ata.trsfsectors, current);
+ SET_EBDA(sector_count, current);
if (current == count)
break;
status &= (ATA_CB_STAT_BSY | ATA_CB_STAT_RDY | ATA_CB_STAT_DRQ
}
static noinline int
-ata_transfer_disk(const struct ata_op_s *op, int iswrite)
+ata_transfer_disk(const struct disk_op_s *op)
{
- return ata_transfer(op->driveid, iswrite, op->count, IDE_SECTOR_SIZE
- , 0, 0, op->far_buffer);
+ return ata_transfer(op->driveid, op->command == ATA_CMD_WRITE_SECTORS
+ , op->count, IDE_SECTOR_SIZE, 0, 0, op->far_buffer);
}
static noinline int
-ata_transfer_cdrom(const struct ata_op_s *op)
+ata_transfer_cdrom(const struct disk_op_s *op)
{
return ata_transfer(op->driveid, 0, op->count, CDROM_SECTOR_SIZE
, 0, 0, op->far_buffer);
}
static noinline int
-ata_transfer_emu(const struct ata_op_s *op, int before, int after)
+ata_transfer_cdemu(const struct disk_op_s *op, int before, int after)
{
int vcount = op->count * 4 - before - after;
int ret = ata_transfer(op->driveid, 0, op->count, CDROM_SECTOR_SIZE
, before*512, after*512, op->far_buffer);
if (ret) {
- SET_EBDA(ata.trsfsectors, 0);
+ SET_EBDA(sector_count, 0);
return ret;
}
- SET_EBDA(ata.trsfsectors, vcount);
+ SET_EBDA(sector_count, vcount);
return 0;
}
****************************************************************/
static noinline int
-send_cmd_disk(const struct ata_op_s *op, u16 command)
+send_cmd_disk(const struct disk_op_s *op)
{
u8 slave = op->driveid % 2;
u64 lba = op->lba;
struct ata_pio_command cmd;
memset(&cmd, 0, sizeof(cmd));
- cmd.command = command;
+ cmd.command = op->command;
if (op->count >= (1<<8) || lba + op->count >= (1<<28)) {
cmd.sector_count2 = op->count >> 8;
cmd.lba_low2 = lba >> 24;
// Read/write count blocks from a harddrive.
__always_inline int
-ata_cmd_data(int driveid, u16 command, u64 lba, u16 count, void *far_buffer)
+ata_cmd_data(struct disk_op_s *op)
{
- struct ata_op_s op;
- op.driveid = driveid;
- op.lba = lba;
- op.count = count;
- op.far_buffer = far_buffer;
-
- int ret = send_cmd_disk(&op, command);
+ int ret = send_cmd_disk(op);
if (ret)
return ret;
-
- int iswrite = command == ATA_CMD_WRITE_SECTORS;
- return ata_transfer_disk(&op, iswrite);
+ return ata_transfer_disk(op);
}
{
u8 channel = driveid / 2;
u8 slave = driveid % 2;
- u16 iobase1 = GET_EBDA(ata.channels[channel].iobase1);
- u16 iobase2 = GET_EBDA(ata.channels[channel].iobase2);
+ u16 iobase1 = GET_GLOBAL(ATA.channels[channel].iobase1);
+ u16 iobase2 = GET_GLOBAL(ATA.channels[channel].iobase2);
struct ata_pio_command cmd;
cmd.sector_count = 0;
// Low-level cdrom read atapi command transmit function.
static int
-send_cmd_cdrom(const struct ata_op_s *op)
+send_cmd_cdrom(const struct disk_op_s *op)
{
u8 atacmd[12];
memset(atacmd, 0, sizeof(atacmd));
// Read sectors from the cdrom.
__always_inline int
-cdrom_read(int driveid, u32 lba, u32 count, void *far_buffer)
+cdrom_read(struct disk_op_s *op)
{
- struct ata_op_s op;
- op.driveid = driveid;
- op.lba = lba;
- op.count = count;
- op.far_buffer = far_buffer;
-
- int ret = send_cmd_cdrom(&op);
+ int ret = send_cmd_cdrom(op);
if (ret)
return ret;
- return ata_transfer_cdrom(&op);
+ return ata_transfer_cdrom(op);
}
// Pretend the cdrom has 512 byte sectors (instead of 2048) and read
// sectors.
__always_inline int
-cdrom_read_512(int driveid, u32 vlba, u32 vcount, void *far_buffer)
+cdrom_read_512(struct disk_op_s *op)
{
+ u32 vlba = op->lba;
+ u32 vcount = op->count;
+ u32 lba = op->lba = vlba / 4;
u32 velba = vlba + vcount - 1;
- u32 lba = vlba / 4;
u32 elba = velba / 4;
- int count = elba - lba + 1;
+ op->count = elba - lba + 1;
int before = vlba % 4;
int after = 3 - (velba % 4);
- struct ata_op_s op;
- op.driveid = driveid;
- op.lba = lba;
- op.count = count;
- op.far_buffer = far_buffer;
-
dprintf(16, "cdrom_read_512: id=%d vlba=%d vcount=%d buf=%p lba=%d elba=%d"
" count=%d before=%d after=%d\n"
- , driveid, vlba, vcount, far_buffer, lba, elba
- , count, before, after);
+ , op->driveid, vlba, vcount, op->far_buffer, lba, elba
+ , op->count, before, after);
- int ret = send_cmd_cdrom(&op);
+ int ret = send_cmd_cdrom(op);
if (ret)
return ret;
- return ata_transfer_emu(&op, before, after);
+ return ata_transfer_cdemu(op, before, after);
}
// Send a simple atapi command to a drive.
static void
init_drive_atapi(int driveid)
{
- SET_EBDA(ata.devices[driveid].type,ATA_TYPE_ATAPI);
+ SET_GLOBAL(ATA.devices[driveid].type, ATA_TYPE_ATAPI);
// Temporary values to do the transfer
- SET_EBDA(ata.devices[driveid].device,ATA_DEVICE_CDROM);
- SET_EBDA(ata.devices[driveid].mode, ATA_MODE_PIO16);
+ SET_GLOBAL(ATA.devices[driveid].device,ATA_DEVICE_CDROM);
+ SET_GLOBAL(ATA.devices[driveid].mode, ATA_MODE_PIO16);
// Now we send a IDENTIFY command to ATAPI device
u8 buffer[0x0200];
memset(buffer, 0, sizeof(buffer));
- u16 ret = ata_cmd_data(driveid, ATA_CMD_IDENTIFY_DEVICE_PACKET
- , 1, 1
- , MAKE_FARPTR(GET_SEG(SS), (u32)buffer));
+ struct disk_op_s dop;
+ dop.driveid = driveid;
+ dop.command = ATA_CMD_IDENTIFY_DEVICE_PACKET;
+ dop.count = 1;
+ dop.lba = 1;
+ dop.far_buffer = MAKE_FARPTR(GET_SEG(SS), (u32)buffer);
+ u16 ret = ata_cmd_data(&dop);
if (ret != 0)
BX_PANIC("ata-detect: Failed to detect ATAPI device\n");
u8 mode = buffer[96] ? ATA_MODE_PIO32 : ATA_MODE_PIO16;
u16 blksize = CDROM_SECTOR_SIZE;
- SET_EBDA(ata.devices[driveid].device, type);
- SET_EBDA(ata.devices[driveid].removable, removable);
- SET_EBDA(ata.devices[driveid].mode, mode);
- SET_EBDA(ata.devices[driveid].blksize, blksize);
+ SET_GLOBAL(ATA.devices[driveid].device, type);
+ SET_GLOBAL(ATA.devices[driveid].removable, removable);
+ SET_GLOBAL(ATA.devices[driveid].mode, mode);
+ SET_GLOBAL(ATA.devices[driveid].blksize, blksize);
// fill cdidmap
- u8 cdcount = GET_EBDA(ata.cdcount);
- SET_EBDA(ata.idmap[1][cdcount], driveid);
- SET_EBDA(ata.cdcount, ++cdcount);
+ u8 cdcount = GET_GLOBAL(ATA.cdcount);
+ SET_GLOBAL(ATA.idmap[1][cdcount], driveid);
+ SET_GLOBAL(ATA.cdcount, ++cdcount);
report_model(driveid, buffer);
u8 version = get_ata_version(buffer);
- if (GET_EBDA(ata.devices[driveid].device)==ATA_DEVICE_CDROM)
+ if (GET_GLOBAL(ATA.devices[driveid].device)==ATA_DEVICE_CDROM)
printf(" ATAPI-%d CD-Rom/DVD-Rom\n", version);
else
printf(" ATAPI-%d Device\n", version);
if (driveid > 1)
return;
- u16 nlc = GET_EBDA(ata.devices[driveid].lchs.cylinders);
- u16 nlh = GET_EBDA(ata.devices[driveid].lchs.heads);
- u16 nlspt = GET_EBDA(ata.devices[driveid].lchs.spt);
+ u16 nlc = GET_GLOBAL(ATA.devices[driveid].lchs.cylinders);
+ u16 nlh = GET_GLOBAL(ATA.devices[driveid].lchs.heads);
+ u16 nlspt = GET_GLOBAL(ATA.devices[driveid].lchs.spt);
- u16 npc = GET_EBDA(ata.devices[driveid].pchs.cylinders);
- u16 nph = GET_EBDA(ata.devices[driveid].pchs.heads);
- u16 npspt = GET_EBDA(ata.devices[driveid].pchs.spt);
+ u16 npc = GET_GLOBAL(ATA.devices[driveid].pchs.cylinders);
+ u16 nph = GET_GLOBAL(ATA.devices[driveid].pchs.heads);
+ u16 npspt = GET_GLOBAL(ATA.devices[driveid].pchs.spt);
- SET_EBDA(fdpt[driveid].precompensation, 0xffff);
- SET_EBDA(fdpt[driveid].drive_control_byte, 0xc0 | ((nph > 8) << 3));
- SET_EBDA(fdpt[driveid].landing_zone, npc);
- SET_EBDA(fdpt[driveid].cylinders, nlc);
- SET_EBDA(fdpt[driveid].heads, nlh);
- SET_EBDA(fdpt[driveid].sectors, nlspt);
+ struct extended_bios_data_area_s *ebda = get_ebda_ptr();
+ ebda->fdpt[driveid].precompensation = 0xffff;
+ ebda->fdpt[driveid].drive_control_byte = 0xc0 | ((nph > 8) << 3);
+ ebda->fdpt[driveid].landing_zone = npc;
+ ebda->fdpt[driveid].cylinders = nlc;
+ ebda->fdpt[driveid].heads = nlh;
+ ebda->fdpt[driveid].sectors = nlspt;
if (nlc == npc && nlh == nph && nlspt == npspt)
// no logical CHS mapping used, just physical CHS
// complies with Phoenix style Translated Fixed Disk Parameter
// Table (FDPT)
- SET_EBDA(fdpt[driveid].phys_cylinders, npc);
- SET_EBDA(fdpt[driveid].phys_heads, nph);
- SET_EBDA(fdpt[driveid].phys_sectors, npspt);
- SET_EBDA(fdpt[driveid].a0h_signature, 0xa0);
+ ebda->fdpt[driveid].phys_cylinders = npc;
+ ebda->fdpt[driveid].phys_heads = nph;
+ ebda->fdpt[driveid].phys_sectors = npspt;
+ ebda->fdpt[driveid].a0h_signature = 0xa0;
// Checksum structure.
- u8 *p = MAKE_FARPTR(SEG_EBDA, offsetof(struct extended_bios_data_area_s
- , fdpt[driveid]));
- u8 sum = checksum(p, FIELD_SIZEOF(struct extended_bios_data_area_s
- , fdpt[driveid]) - 1);
- SET_EBDA(fdpt[driveid].checksum, -sum);
+ u8 sum = checksum((u8*)&ebda->fdpt[driveid], sizeof(ebda->fdpt[driveid])-1);
+ ebda->fdpt[driveid].checksum = -sum;
}
static u8
}
// On COREBOOT, use a heuristic to determine translation type.
- u16 heads = GET_EBDA(ata.devices[driveid].pchs.heads);
- u16 cylinders = GET_EBDA(ata.devices[driveid].pchs.cylinders);
- u16 spt = GET_EBDA(ata.devices[driveid].pchs.spt);
+ u16 heads = GET_GLOBAL(ATA.devices[driveid].pchs.heads);
+ u16 cylinders = GET_GLOBAL(ATA.devices[driveid].pchs.cylinders);
+ u16 spt = GET_GLOBAL(ATA.devices[driveid].pchs.spt);
if (cylinders <= 1024 && heads <= 16 && spt <= 63)
return ATA_TRANSLATION_NONE;
setup_translation(int driveid)
{
u8 translation = get_translation(driveid);
- SET_EBDA(ata.devices[driveid].translation, translation);
+ SET_GLOBAL(ATA.devices[driveid].translation, translation);
u8 channel = driveid / 2;
u8 slave = driveid % 2;
- u16 heads = GET_EBDA(ata.devices[driveid].pchs.heads);
- u16 cylinders = GET_EBDA(ata.devices[driveid].pchs.cylinders);
- u16 spt = GET_EBDA(ata.devices[driveid].pchs.spt);
- u64 sectors = GET_EBDA(ata.devices[driveid].sectors);
+ u16 heads = GET_GLOBAL(ATA.devices[driveid].pchs.heads);
+ u16 cylinders = GET_GLOBAL(ATA.devices[driveid].pchs.cylinders);
+ u16 spt = GET_GLOBAL(ATA.devices[driveid].pchs.spt);
+ u64 sectors = GET_GLOBAL(ATA.devices[driveid].sectors);
dprintf(1, "ata%d-%d: PCHS=%u/%d/%d translation="
, channel, slave, cylinders, heads, spt);
cylinders = 1024;
dprintf(1, " LCHS=%d/%d/%d\n", cylinders, heads, spt);
- SET_EBDA(ata.devices[driveid].lchs.heads, heads);
- SET_EBDA(ata.devices[driveid].lchs.cylinders, cylinders);
- SET_EBDA(ata.devices[driveid].lchs.spt, spt);
+ SET_GLOBAL(ATA.devices[driveid].lchs.heads, heads);
+ SET_GLOBAL(ATA.devices[driveid].lchs.cylinders, cylinders);
+ SET_GLOBAL(ATA.devices[driveid].lchs.spt, spt);
}
static void
init_drive_ata(int driveid)
{
- SET_EBDA(ata.devices[driveid].type, ATA_TYPE_ATA);
+ SET_GLOBAL(ATA.devices[driveid].type, ATA_TYPE_ATA);
// Temporary values to do the transfer
- SET_EBDA(ata.devices[driveid].device, ATA_DEVICE_HD);
- SET_EBDA(ata.devices[driveid].mode, ATA_MODE_PIO16);
+ SET_GLOBAL(ATA.devices[driveid].device, ATA_DEVICE_HD);
+ SET_GLOBAL(ATA.devices[driveid].mode, ATA_MODE_PIO16);
// Now we send a IDENTIFY command to ATA device
u8 buffer[0x0200];
memset(buffer, 0, sizeof(buffer));
- u16 ret = ata_cmd_data(driveid, ATA_CMD_IDENTIFY_DEVICE
- , 1, 1
- , MAKE_FARPTR(GET_SEG(SS), (u32)buffer));
+ struct disk_op_s dop;
+ dop.driveid = driveid;
+ dop.command = ATA_CMD_IDENTIFY_DEVICE;
+ dop.count = 1;
+ dop.lba = 1;
+ dop.far_buffer = MAKE_FARPTR(GET_SEG(SS), (u32)buffer);
+ u16 ret = ata_cmd_data(&dop);
if (ret)
BX_PANIC("ata-detect: Failed to detect ATA device\n");
u8 removable = (buffer[0] & 0x80) ? 1 : 0;
- u8 mode = buffer[96] ? ATA_MODE_PIO32 : ATA_MODE_PIO16;
- u16 blksize = *(u16*)&buffer[10];
+ u8 mode = buffer[48*2] ? ATA_MODE_PIO32 : ATA_MODE_PIO16;
+ u16 blksize = IDE_SECTOR_SIZE;
u16 cylinders = *(u16*)&buffer[1*2]; // word 1
u16 heads = *(u16*)&buffer[3*2]; // word 3
else
sectors = *(u32*)&buffer[60*2]; // word 60 and word 61
- SET_EBDA(ata.devices[driveid].device, ATA_DEVICE_HD);
- SET_EBDA(ata.devices[driveid].removable, removable);
- SET_EBDA(ata.devices[driveid].mode, mode);
- SET_EBDA(ata.devices[driveid].blksize, blksize);
- SET_EBDA(ata.devices[driveid].pchs.heads, heads);
- SET_EBDA(ata.devices[driveid].pchs.cylinders, cylinders);
- SET_EBDA(ata.devices[driveid].pchs.spt, spt);
- SET_EBDA(ata.devices[driveid].sectors, sectors);
+ SET_GLOBAL(ATA.devices[driveid].device, ATA_DEVICE_HD);
+ SET_GLOBAL(ATA.devices[driveid].removable, removable);
+ SET_GLOBAL(ATA.devices[driveid].mode, mode);
+ SET_GLOBAL(ATA.devices[driveid].blksize, blksize);
+ SET_GLOBAL(ATA.devices[driveid].pchs.heads, heads);
+ SET_GLOBAL(ATA.devices[driveid].pchs.cylinders, cylinders);
+ SET_GLOBAL(ATA.devices[driveid].pchs.spt, spt);
+ SET_GLOBAL(ATA.devices[driveid].sectors, sectors);
// Setup disk geometry translation.
setup_translation(driveid);
// fill hdidmap
- u8 hdcount = GET_EBDA(ata.hdcount);
- SET_EBDA(ata.idmap[0][hdcount], driveid);
- SET_EBDA(ata.hdcount, ++hdcount);
+ u8 hdcount = GET_BDA(hdcount);
+ SET_GLOBAL(ATA.idmap[0][hdcount], driveid);
+ SET_BDA(hdcount, ++hdcount);
// Fill "fdpt" structure.
fill_fdpt(driveid);
// Report drive info to user.
- u64 sizeinmb = GET_EBDA(ata.devices[driveid].sectors) >> 11;
+ u64 sizeinmb = GET_GLOBAL(ATA.devices[driveid].sectors) >> 11;
report_model(driveid, buffer);
u8 version = get_ata_version(buffer);
if (sizeinmb < (1 << 16))
static void
init_drive_unknown(int driveid)
{
- SET_EBDA(ata.devices[driveid].type,ATA_TYPE_UNKNOWN);
+ SET_GLOBAL(ATA.devices[driveid].type, ATA_TYPE_UNKNOWN);
u8 channel = driveid / 2;
u8 slave = driveid % 2;
u8 channel = driveid / 2;
u8 slave = driveid % 2;
- u16 iobase1 = GET_EBDA(ata.channels[channel].iobase1);
- u16 iobase2 = GET_EBDA(ata.channels[channel].iobase2);
+ u16 iobase1 = GET_GLOBAL(ATA.channels[channel].iobase1);
+ u16 iobase2 = GET_GLOBAL(ATA.channels[channel].iobase2);
+ if (!iobase1)
+ break;
// Disable interrupts
outb(ATA_CB_DC_HD15 | ATA_CB_DC_NIEN, iobase2+ATA_CB_DC);
// Look for device
outb(slave ? ATA_CB_DH_DEV1 : ATA_CB_DH_DEV0, iobase1+ATA_CB_DH);
- msleep(50);
+ mdelay(50);
outb(0x55, iobase1+ATA_CB_SC);
outb(0xaa, iobase1+ATA_CB_SN);
outb(0xaa, iobase1+ATA_CB_SC);
// check for ATA or ATAPI
outb(slave ? ATA_CB_DH_DEV1 : ATA_CB_DH_DEV0, iobase1+ATA_CB_DH);
- msleep(50);
+ mdelay(50);
sc = inb(iobase1+ATA_CB_SC);
sn = inb(iobase1+ATA_CB_SN);
dprintf(6, "ata_detect(2) drive=%d sc=%x sn=%x\n", driveid, sc, sn);
// hdidmap and cdidmap init.
u8 device;
for (device=0; device < CONFIG_MAX_ATA_DEVICES; device++) {
- SET_EBDA(ata.idmap[0][device], CONFIG_MAX_ATA_DEVICES);
- SET_EBDA(ata.idmap[1][device], CONFIG_MAX_ATA_DEVICES);
+ SET_GLOBAL(ATA.idmap[0][device], CONFIG_MAX_ATA_DEVICES);
+ SET_GLOBAL(ATA.idmap[1][device], CONFIG_MAX_ATA_DEVICES);
}
-#if CONFIG_MAX_ATA_INTERFACES > 0
- SET_EBDA(ata.channels[0].iface, ATA_IFACE_ISA);
- SET_EBDA(ata.channels[0].iobase1, 0x1f0);
- SET_EBDA(ata.channels[0].iobase2, 0x3f0);
- SET_EBDA(ata.channels[0].irq, 14);
-#endif
-#if CONFIG_MAX_ATA_INTERFACES > 1
- SET_EBDA(ata.channels[1].iface, ATA_IFACE_ISA);
- SET_EBDA(ata.channels[1].iobase1, 0x170);
- SET_EBDA(ata.channels[1].iobase2, 0x370);
- SET_EBDA(ata.channels[1].irq, 15);
-#endif
-#if CONFIG_MAX_ATA_INTERFACES > 2
- SET_EBDA(ata.channels[2].iface, ATA_IFACE_ISA);
- SET_EBDA(ata.channels[2].iobase1, 0x1e8);
- SET_EBDA(ata.channels[2].iobase2, 0x3e0);
- SET_EBDA(ata.channels[2].irq, 12);
-#endif
-#if CONFIG_MAX_ATA_INTERFACES > 3
- SET_EBDA(ata.channels[3].iface, ATA_IFACE_ISA);
- SET_EBDA(ata.channels[3].iobase1, 0x168);
- SET_EBDA(ata.channels[3].iobase2, 0x360);
- SET_EBDA(ata.channels[3].irq, 11);
-#endif
-#if CONFIG_MAX_ATA_INTERFACES > 4
-#error Please fill the ATA interface informations
-#endif
+ // Scan PCI bus for ATA adapters
+ int count=0;
+ int bdf, max;
+ foreachpci(bdf, max) {
+ if (pci_config_readw(bdf, PCI_CLASS_DEVICE) != PCI_CLASS_STORAGE_IDE)
+ continue;
+
+ u8 irq = pci_config_readb(bdf, PCI_INTERRUPT_LINE);
+ SET_GLOBAL(ATA.channels[count].irq, irq);
+ SET_GLOBAL(ATA.channels[count].pci_bdf, bdf);
+
+ u8 prog_if = pci_config_readb(bdf, PCI_CLASS_PROG);
+ u32 port1, port2;
+
+ if (prog_if & 1) {
+ port1 = pci_config_readl(bdf, PCI_BASE_ADDRESS_0) & ~3;
+ port2 = pci_config_readl(bdf, PCI_BASE_ADDRESS_1) & ~3;
+ } else {
+ port1 = 0x1f0;
+ port2 = 0x3f0;
+ }
+ SET_GLOBAL(ATA.channels[count].iobase1, port1);
+ SET_GLOBAL(ATA.channels[count].iobase2, port2);
+ dprintf(1, "ATA controller %d at %x/%x (dev %x prog_if %x)\n"
+ , count, port1, port2, bdf, prog_if);
+ count++;
+
+ if (prog_if & 4) {
+ port1 = pci_config_readl(bdf, PCI_BASE_ADDRESS_2) & ~3;
+ port2 = pci_config_readl(bdf, PCI_BASE_ADDRESS_3) & ~3;
+ } else {
+ port1 = 0x170;
+ port2 = 0x370;
+ }
+ dprintf(1, "ATA controller %d at %x/%x (dev %x prog_if %x)\n"
+ , count, port1, port2, bdf, prog_if);
+ SET_GLOBAL(ATA.channels[count].iobase1, port1);
+ SET_GLOBAL(ATA.channels[count].iobase2, port2);
+ count++;
+ }
}
void
ata_init();
ata_detect();
- // Store the device count
- SET_BDA(disk_count, GET_EBDA(ata.hdcount));
-
SET_BDA(disk_control_byte, 0xc0);
- // Enable IRQ14 (handle_76)
- unmask_pic2(PIC2_IRQ14);
+ enable_hwirq(14, entry_76);
}
projects / seabios.git / blobdiff