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ipod6g: Improve power management with CE-ATA devices

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* IDENTIFY_INFO flags that signify power management are _optional_
 * CE-ATA always supports STANDBY IMMEDIATE and FLUSH CACHE EXT

Change-Id: I7d575437d91f02267021fe680b9b49914e79291e
This commit is contained in:
Solomon Peachy 2025-09-17 08:06:39 -04:00
parent 44ce302348
commit 6340e79cda
1 changed files with 6 additions and 6 deletions
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12
firmware/target/arm/s5l8702/ipod6g/storage_ata-6g.c
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@ -759,7 +759,7 @@ static int ata_power_up(void)
spinup_time = current_tick - spinup_start;
ata_total_sectors = (identify_info[61] << 16) | identify_info[60];
if ( identify_info[83] & BIT(10) && ata_total_sectors == 0x0FFFFFFF)
if (ceata || (identify_info[83] & BIT(10) && ata_total_sectors == 0x0FFFFFFF))
{
ata_total_sectors = ((uint64_t)identify_info[103] << 48) |
((uint64_t)identify_info[102] << 32) |
@ -1099,7 +1099,7 @@ void ata_sleepnow(void)
ata_flush_cache();
if (ata_disk_can_sleep()) {
if (ceata || ata_disk_can_sleep()) {
logf("ata SLEEP %ld", current_tick);
if (ceata) {
@ -1123,7 +1123,7 @@ void ata_sleepnow(void)
}
}
if (ata_disk_can_sleep() || canflush)
if (ceata || ata_disk_can_sleep() || canflush)
ata_power_down(); // XXX add a powerdown delay similar to main ATA driver?
mutex_unlock(&ata_mutex);
@ -1168,10 +1168,10 @@ int ata_init(void)
return rc;
/* Logical sector size */
if ((identify_info[106] & 0xd000) == 0x5000) /* B14, B12 */
log_sector_size = (identify_info[117] | (identify_info[118] << 16)) * 2;
else if (ceata)
if (ceata)
log_sector_size = 1 << identify_info[106];
else if ((identify_info[106] & 0xd000) == 0x5000) /* B14, B12 */
log_sector_size = (identify_info[117] | (identify_info[118] << 16)) * 2;
else
log_sector_size = 512;