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ipod6g: Issue a FLUSH_CACHE[_EXT] command if device can't sleep.

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Additionally, synchronize with the standard ATA driver's feature table

 * Acoustic management set to quietest
 * Set power mode to lowest w/o standby

Change-Id: I12e64354d4c946228e9a55fc8da2114127d08d28
This commit is contained in:
Solomon Peachy 2024-04-22 21:55:26 -04:00
parent 9a17185e63
commit aa7357861a
1 changed files with 45 additions and 4 deletions
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49
firmware/target/arm/s5l8702/ipod6g/storage_ata-6g.c
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@ -48,6 +48,8 @@
#define CMD_READ_DMA 0xC8
#define CMD_WRITE_DMA 0xCA
#define CMD_STANDBY_IMMEDIATE 0xE0
#define CMD_FLUSH_CACHE 0xE7
#define CMD_FLUSH_CACHE_EXT 0xEA
#define CMD_IDENTIFY 0xEC
#define CMD_SET_FEATURES 0xEF
@ -678,10 +680,15 @@ static int ata_power_up(void)
}
ata_dma = param ? true : false;
dma_mode = param;
PASS_RC(ata_set_feature(0x03, param), 3, 4);
PASS_RC(ata_set_feature(0x03, param), 3, 4); /* Transfer mode */
if (ata_identify_data[82] & BIT(5))
PASS_RC(ata_set_feature(0x02, 0), 3, 5);
if (ata_identify_data[82] & BIT(6)) PASS_RC(ata_set_feature(0xaa, 0), 3, 6);
PASS_RC(ata_set_feature(0x02, 0), 3, 5); /* Enable volatile write cache */
if (ata_identify_data[82] & BIT(6))
PASS_RC(ata_set_feature(0xaa, 0), 3, 6); /* Enable read lookahead */
if (ata_identify_data[83] & BIT(3))
PASS_RC(ata_set_feature(0x05, 0x80), 3, 7); /* Enable lowest power mode w/o standby */
if (ata_identify_data[83] & BIT(9))
PASS_RC(ata_set_feature(0x42, 0x80), 3, 8); /* Enable lowest noise mode */
ATA_PIO_TIME = piotime;
ATA_MDMA_TIME = mdmatime;
ATA_UDMA_TIME = udmatime;
@ -692,7 +699,8 @@ static int ata_power_up(void)
| (((uint64_t)ata_identify_data[101]) << 16)
| (((uint64_t)ata_identify_data[102]) << 32)
| (((uint64_t)ata_identify_data[103]) << 48);
else ata_total_sectors = ata_identify_data[60] | (((uint32_t)ata_identify_data[61]) << 16);
else
ata_total_sectors = ata_identify_data[60] | (((uint32_t)ata_identify_data[61]) << 16);
ata_total_sectors >>= 3;
ata_powered = true;
ata_set_active();
@ -981,12 +989,45 @@ void ata_spindown(int seconds)
ata_sleep_timeout = seconds * HZ;
}
static void ata_flush_cache(void)
{
uint8_t cmd;
if (ata_identify_data[83] & BIT(13)) {
cmd = CMD_FLUSH_CACHE_EXT;
} else if (ata_identify_data[83] & BIT(12)) {
cmd = CMD_FLUSH_CACHE;
} else {
/* If neither (mandatory!) command is supported
then don't issue it. */
return;
}
if (ceata)
{
memset(ceata_taskfile, 0, 16);
ceata_taskfile[0xf] = cmd;
ceata_wait_idle();
ceata_write_multiple_register(0, ceata_taskfile, 16);
ceata_wait_idle();
}
else
{
ata_wait_for_rdy(1000000);
ata_write_cbr(&ATA_PIO_DVR, 0);
ata_write_cbr(&ATA_PIO_CSD, cmd);
ata_wait_for_rdy(1000000);
}
}
void ata_sleepnow(void)
{
mutex_lock(&ata_mutex);
if (ata_disk_can_poweroff())
ata_power_down();
else
ata_flush_cache();
mutex_unlock(&ata_mutex);
}