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path: root/drivers/block/ahci.c
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Diffstat (limited to 'drivers/block/ahci.c')
-rw-r--r--drivers/block/ahci.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index a05d9cf..719574f 100644
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -52,6 +52,10 @@ hd_driveid_t *ataid[AHCI_MAX_PORTS];
#define MAX_SATA_BLOCKS_READ_WRITE 0x80
#endif
+/* Maximum timeouts for each event */
+#define WAIT_MS_DATAIO 5000
+#define WAIT_MS_LINKUP 4
+
static inline u32 ahci_port_base(u32 base, u32 port)
{
return base + 0x100 + (port * 0x80);
@@ -201,14 +205,14 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
writel(PORT_CMD_SPIN_UP, port_mmio + PORT_CMD);
j = 0;
- while (j < 1000) {
+ while (j < WAIT_MS_LINKUP) {
tmp = readl(port_mmio + PORT_SCR_STAT);
if ((tmp & 0xf) == 0x3)
break;
udelay(1000);
j++;
}
- if (j == 1000)
+ if (j == WAIT_MS_LINKUP)
debug("timeout.\n");
else
debug("ok.\n");
@@ -429,7 +433,8 @@ static void ahci_set_feature(u8 port)
writel(1, port_mmio + PORT_CMD_ISSUE);
readl(port_mmio + PORT_CMD_ISSUE);
- if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE, 150, 0x1)) {
+ if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE,
+ WAIT_MS_DATAIO, 0x1)) {
printf("set feature error on port %d!\n", port);
}
}
@@ -535,7 +540,8 @@ static int ahci_device_data_io(u8 port, u8 *fis, int fis_len, u8 *buf,
writel_with_flush(1, port_mmio + PORT_CMD_ISSUE);
- if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE, 150, 0x1)) {
+ if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE,
+ WAIT_MS_DATAIO, 0x1)) {
printf("timeout exit!\n");
return -1;
}