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-rw-r--r--src/southbridge/amd/sb700/sata.c99
1 files changed, 53 insertions, 46 deletions
diff --git a/src/southbridge/amd/sb700/sata.c b/src/southbridge/amd/sb700/sata.c
index c61fa01953..ae4444600b 100644
--- a/src/southbridge/amd/sb700/sata.c
+++ b/src/southbridge/amd/sb700/sata.c
@@ -297,65 +297,72 @@ static void sata_init(struct device *dev)
if (port_count > max_port_count)
port_count = max_port_count;
- if (!sata_ahci_mode) {
- /* RPR7.7 SATA drive detection. */
- /* Use BAR5+0x128,BAR0 for Primary Slave */
- /* Use BAR5+0x1A8,BAR0 for Primary Slave */
- /* Use BAR5+0x228,BAR2 for Secondary Master */
- /* Use BAR5+0x2A8,BAR2 for Secondary Slave */
- /* Use BAR5+0x328,PATA_BAR0/2 for Primary/Secondary Master emulation */
- /* Use BAR5+0x3A8,PATA_BAR0/2 for Primary/Secondary Slave emulation */
- for (i = 0; i < port_count; i++) {
+ /* RPR7.7 SATA drive detection. */
+ /* Use BAR5+0x128,BAR0 for Primary Slave */
+ /* Use BAR5+0x1A8,BAR0 for Primary Slave */
+ /* Use BAR5+0x228,BAR2 for Secondary Master */
+ /* Use BAR5+0x2A8,BAR2 for Secondary Slave */
+ /* Use BAR5+0x328,PATA_BAR0/2 for Primary/Secondary Master emulation */
+ /* Use BAR5+0x3A8,PATA_BAR0/2 for Primary/Secondary Slave emulation */
+ for (i = 0; i < port_count; i++) {
+ byte = read8(sata_bar5 + 0x128 + 0x80 * i);
+ printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
+ byte &= 0xF;
+ if (byte == 0x1) {
+ /* If the drive status is 0x1 then we see it but we aren't talking to it. */
+ /* Try to do something about it. */
+ printk(BIOS_SPEW, "SATA device detected but not talking. Trying lower speed.\n");
+
+ /* Read in Port-N Serial ATA Control Register */
+ byte = read8(sata_bar5 + 0x12C + 0x80 * i);
+
+ /* Set Reset Bit and 1.5g bit */
+ byte |= 0x11;
+ write8((sata_bar5 + 0x12C + 0x80 * i), byte);
+
+ /* Wait 1ms */
+ mdelay(1);
+
+ /* Clear Reset Bit */
+ byte &= ~0x01;
+ write8((sata_bar5 + 0x12C + 0x80 * i), byte);
+
+ /* Wait 1ms */
+ mdelay(1);
+
+ /* Reread status */
byte = read8(sata_bar5 + 0x128 + 0x80 * i);
printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
byte &= 0xF;
- if (byte == 0x1) {
- /* If the drive status is 0x1 then we see it but we aren't talking to it. */
- /* Try to do something about it. */
- printk(BIOS_SPEW, "SATA device detected but not talking. Trying lower speed.\n");
-
- /* Read in Port-N Serial ATA Control Register */
- byte = read8(sata_bar5 + 0x12C + 0x80 * i);
-
- /* Set Reset Bit and 1.5g bit */
- byte |= 0x11;
- write8((sata_bar5 + 0x12C + 0x80 * i), byte);
-
- /* Wait 1ms */
- mdelay(1);
-
- /* Clear Reset Bit */
- byte &= ~0x01;
- write8((sata_bar5 + 0x12C + 0x80 * i), byte);
-
- /* Wait 1ms */
- mdelay(1);
+ }
- /* Reread status */
- byte = read8(sata_bar5 + 0x128 + 0x80 * i);
- printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
- byte &= 0xF;
+ if (byte == 0x3) {
+ for (j = 0; j < 10; j++) {
+ if (i < 4)
+ current_bar = ((i / 2) == 0) ? sata_bar0 : sata_bar2;
+ else
+ current_bar = ide_bar0;
+ if (!sata_drive_detect(i, current_bar))
+ break;
}
-
- if (byte == 0x3) {
- for (j = 0; j < 10; j++) {
- if (i < 4)
- current_bar = ((i / 2) == 0) ? sata_bar0 : sata_bar2;
- else
- current_bar = ide_bar0;
- if (!sata_drive_detect(i, current_bar))
- break;
- }
+ if (sata_ahci_mode)
+ printk(BIOS_DEBUG, "AHCI device %d is %sready after %i tries\n",
+ i,
+ (j == 10) ? "not " : "",
+ (j == 10) ? j : j + 1);
+ else
printk(BIOS_DEBUG, "%s %s device is %sready after %i tries\n",
(i / 2) ? "Secondary" : "Primary",
(i % 2 ) ? "Slave" : "Master",
(j == 10) ? "not " : "",
(j == 10) ? j : j + 1);
- } else {
+ } else {
+ if (sata_ahci_mode)
+ printk(BIOS_DEBUG, "No AHCI SATA drive on Slot%i\n", i);
+ else
printk(BIOS_DEBUG, "No %s %s SATA drive on Slot%i\n",
(i / 2) ? "Secondary" : "Primary",
(i % 2 ) ? "Slave" : "Master", i);
- }
}
}