amdsbwd, intpm: Add Hygon Dhyana support.

Initialize the FCH SMBus controller for Hygon Dhyana CPU.
Set the vendor of the FCH description via the exact CPU vendor.

Submitted by:	Pu Wen <puwen@hygon.cn>
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D23558
This commit is contained in:
Konstantin Belousov 2020-02-13 19:09:24 +00:00
parent 4afea6b4e0
commit decf9c5ff6
3 changed files with 12 additions and 2 deletions

View File

@ -146,3 +146,5 @@
#define AMDCZ_SMBUS_DEVID 0x790b1022
#define AMDCZ49_SMBUS_REVID 0x49
#define HYGONCZ_SMBUS_DEVID 0x790b1d94

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@ -60,6 +60,8 @@ __FBSDID("$FreeBSD$");
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/cputypes.h>
#include <machine/md_var.h>
#include <machine/resource.h>
#include <sys/watchdog.h>
@ -269,7 +271,8 @@ amdsbwd_identify(driver_t *driver, device_t parent)
return;
if (pci_get_devid(smb_dev) != AMDSB_SMBUS_DEVID &&
pci_get_devid(smb_dev) != AMDFCH_SMBUS_DEVID &&
pci_get_devid(smb_dev) != AMDCZ_SMBUS_DEVID)
pci_get_devid(smb_dev) != AMDCZ_SMBUS_DEVID &&
pci_get_devid(smb_dev) != HYGONCZ_SMBUS_DEVID)
return;
child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "amdsbwd", -1);
@ -378,6 +381,7 @@ static void
amdsbwd_probe_fch41(device_t dev, struct resource *pmres, uint32_t *addr)
{
uint8_t val;
char buf[36];
val = pmio_read(pmres, AMDFCH41_PM_ISA_CTRL);
if ((val & AMDFCH41_MMIO_EN) != 0) {
@ -416,7 +420,9 @@ amdsbwd_probe_fch41(device_t dev, struct resource *pmres, uint32_t *addr)
amdsbwd_verbose_printf(dev, "AMDFCH41_PM_DECODE_EN3 value = %#04x\n",
val);
#endif
device_set_desc(dev, "AMD FCH Rev 41h+ Watchdog Timer");
snprintf(buf, sizeof(buf), "%s FCH Rev 41h+ Watchdog Timer",
cpu_vendor_id == CPU_VENDOR_HYGON ? "Hygon" : "AMD");
device_set_desc_copy(dev, buf);
}
static int

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@ -102,6 +102,7 @@ const struct intsmb_device {
{ AMDSB_SMBUS_DEVID, "AMD SB600/7xx/8xx/9xx SMBus Controller" },
{ AMDFCH_SMBUS_DEVID, "AMD FCH SMBus Controller" },
{ AMDCZ_SMBUS_DEVID, "AMD FCH SMBus Controller" },
{ HYGONCZ_SMBUS_DEVID, "Hygon FCH SMBus Controller" },
};
static int
@ -243,6 +244,7 @@ intsmb_attach(device_t dev)
break;
case AMDFCH_SMBUS_DEVID:
case AMDCZ_SMBUS_DEVID:
case HYGONCZ_SMBUS_DEVID:
sc->sb8xx = 1;
break;
}