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ahci & exynos5: allow 6 Gbps port speed

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This commit is contained in:
Martin Stein 2013-06-25 18:14:29 +02:00 committed by Stefan Kalkowski
parent da930d146f
commit ad3427e857
1 changed files with 3 additions and 12 deletions
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15
os/src/drivers/ahci/exynos5/ahci_driver.cc
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@ -902,6 +902,8 @@ struct Sata_ahci : Attached_mmio
unsigned p0_speed; unsigned p0_speed;
Irq_connection p0_irq; Irq_connection p0_irq;
enum { SATA_3_MAX_SPEED = 3 };
/** /**
* Constructor * Constructor
*/ */
@ -917,13 +919,7 @@ struct Sata_ahci : Attached_mmio
dbc_trial_us(FAST_DBC_TRIAL_US), dbc_trial_us(FAST_DBC_TRIAL_US),
dbc_trials(50), dbc_trials(50),
dbc_stable_trials(5), dbc_stable_trials(5),
p0_speed(SATA_3_MAX_SPEED),
/*
* FIXME At least Seagate Barracuda 1TB slows access with lots of errors
* when using 6 Gbps although debouncing succeeds. Thus we already
* start with 3 Gbps.
*/
p0_speed(2),
p0_irq(147) p0_irq(147)
{ } { }
@ -1563,11 +1559,6 @@ struct Sata_ahci : Attached_mmio
Fis * fis = (Fis *)(fb_virt + REG_D2H_FIS_OFFSET); Fis * fis = (Fis *)(fb_virt + REG_D2H_FIS_OFFSET);
fis->clear_d2h_rx(); fis->clear_d2h_rx();
/*
* FIXME At least Seagate Barracuda 1TB slows access with lots of errors
* when using 6 Gbps although debouncing succeeds. Thus we
* override initial speed config.
*/
if (p0_hard_reset(1, p0_speed)) return -1; if (p0_hard_reset(1, p0_speed)) return -1;
if (p0_dynamic_debounce()) return -1; if (p0_dynamic_debounce()) return -1;