#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
#define TIMEOUT 0
#define BSY 1
#define IDE_TIMEOUT 32000u //32 seconds max for IDE ops
+struct ata_s ATA VAR16;
+
/****************************************************************
* 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);
}
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
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;
}
{
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;
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];
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];
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_GLOBAL(ATA.hdcount);
+ SET_GLOBAL(ATA.idmap[0][hdcount], driveid);
+ SET_GLOBAL(ATA.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;
// 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);
}
// Scan PCI bus for ATA adapters
- int count=0, index=0;
- u16 classid = PCI_CLASS_STORAGE_OTHER; // SATA first
- while (count<CONFIG_MAX_ATA_INTERFACES-1) {
- PCIDevice d;
- int ret = pci_find_class(classid, index, &d);
- if (ret) {
- if (classid == PCI_CLASS_STORAGE_IDE)
- // Done
- break;
- classid = 0x0101; // PATA controllers
- index = 0;
+ int count=0;
+ int bdf, max;
+ foreachpci(bdf, max) {
+ if (pci_config_readw(bdf, PCI_CLASS_DEVICE) != PCI_CLASS_STORAGE_IDE)
continue;
- }
- index++;
- u8 irq = pci_config_readb(d, PCI_INTERRUPT_LINE);
- SET_EBDA(ata.channels[count].irq, irq);
- SET_EBDA(ata.channels[count].pci_bdf, pci_to_bdf(d));
+ 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(d, PCI_CLASS_PROG);
+ u8 prog_if = pci_config_readb(bdf, PCI_CLASS_PROG);
u32 port1, port2;
- if (classid != 0x0101 || prog_if & 1) {
- port1 = pci_config_readl(d, PCI_BASE_ADDRESS_0) & ~3;
- port2 = pci_config_readl(d, PCI_BASE_ADDRESS_1) & ~3;
+ 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_EBDA(ata.channels[count].iobase1, port1);
- SET_EBDA(ata.channels[count].iobase2, port2);
- dprintf(1, "ATA controller %d at %x/%x\n", count, port1, port2);
+ 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 (classid != 0x0101 || prog_if & 4) {
- port1 = pci_config_readl(d, PCI_BASE_ADDRESS_2) & ~3;
- port2 = pci_config_readl(d, PCI_BASE_ADDRESS_3) & ~3;
+ 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\n", count, port1, port2);
- SET_EBDA(ata.channels[count].iobase1, port1);
- SET_EBDA(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);
+ SET_GLOBAL(ATA.channels[count].iobase1, port1);
+ SET_GLOBAL(ATA.channels[count].iobase2, port2);
count++;
}
}
ata_detect();
// Store the device count
- SET_BDA(disk_count, GET_EBDA(ata.hdcount));
+ SET_BDA(disk_count, GET_GLOBAL(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