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iPod Classic: reads HDD S.M.A.R.T. data

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Adds ata_read_smart() function to storage ATA driver, current
SMART data can be displayed and optionally written to hard
disk using System->Debug menu.

Change-Id: Ie8817bb311d5d956df2f0fbfaf554e2d53e89a93
This commit is contained in:
Cástor Muñoz 2014-12-09 19:38:47 +01:00
parent 32b4558511
commit d20185ac96
5 changed files with 373 additions and 0 deletions
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59
firmware/target/arm/s5l8702/ipod6g/storage_ata-ipod6g.c
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@ -50,6 +50,9 @@
/** static, private data **/
static uint8_t ceata_taskfile[16] STORAGE_ALIGN_ATTR;
static uint16_t ata_identify_data[0x100] STORAGE_ALIGN_ATTR;
#ifdef HAVE_ATA_SMART
static uint16_t ata_smart_data[0x100] STORAGE_ALIGN_ATTR;
#endif
static bool ceata;
static bool ata_swap;
static bool ata_lba48;
@ -1211,6 +1214,62 @@ int ata_init(void)
return 0;
}
#ifdef HAVE_ATA_SMART
static int ata_smart(uint16_t* buf)
{
mutex_lock(&ata_mutex);
ata_power_up();
if (ceata)
{
memset(ceata_taskfile, 0, 16);
ceata_taskfile[0xc] = 0x4f;
ceata_taskfile[0xd] = 0xc2;
ceata_taskfile[0xe] = 0x40; /* Device/Head Register, bit6: 0->CHS, 1->LBA */
ceata_taskfile[0xf] = 0xb0;
PASS_RC(ceata_wait_idle(), 3, 0);
if (((uint8_t*)ata_identify_data)[54] != 'A') /* Model != aAmsung */
{
ceata_taskfile[0x9] = 0xd8; /* SMART enable operations */
PASS_RC(ceata_write_multiple_register(0, ceata_taskfile, 16), 3, 1);
PASS_RC(ceata_check_error(), 3, 2);
}
ceata_taskfile[0x9] = 0xd0; /* SMART read data */
PASS_RC(ceata_write_multiple_register(0, ceata_taskfile, 16), 3, 3);
PASS_RC(ceata_rw_multiple_block(false, buf, 1, CEATA_COMMAND_TIMEOUT * HZ / 1000000), 3, 4);
}
else
{
int i;
uint32_t old = ATA_CFG;
ATA_CFG |= BIT(6); /* 16bit big-endian */
PASS_RC(ata_wait_for_not_bsy(10000000), 3, 5);
ata_write_cbr(&ATA_PIO_DAD, 0);
ata_write_cbr(&ATA_PIO_FED, 0xd0);
ata_write_cbr(&ATA_PIO_SCR, 0);
ata_write_cbr(&ATA_PIO_LLR, 0);
ata_write_cbr(&ATA_PIO_LMR, 0x4f);
ata_write_cbr(&ATA_PIO_LHR, 0xc2);
ata_write_cbr(&ATA_PIO_DVR, BIT(6));
ata_write_cbr(&ATA_PIO_CSD, 0xb0);
PASS_RC(ata_wait_for_start_of_transfer(10000000), 3, 6);
for (i = 0; i < 0x100; i++) buf[i] = ata_read_cbr(&ATA_PIO_DTR);
ATA_CFG = old;
}
ata_set_active();
mutex_unlock(&ata_mutex);
return 0;
}
void* ata_read_smart(void)
{
ata_smart(ata_smart_data);
return ata_smart_data;
}
#endif /* HAVE_ATA_SMART */
#ifdef CONFIG_STORAGE_MULTI
static int ata_num_drives(int first_drive)
{