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Add definitions of (new) bits for TCO registers from the

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Lewisburg/Sunrise Point documentation.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2017-09-10 12:10:27 +00:00
parent d703e54899
commit 8bbe154276
1 changed files with 38 additions and 8 deletions
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46
sys/dev/ichwd/ichwd.h
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@ -309,6 +309,8 @@ struct ichwd_softc {
#define TCO2_CNT 0x08 /* TCO Control 2 */
#define TCO_MESSAGE1 0x0c /* TCO Message 1 */
#define TCO_MESSAGE2 0x0d /* TCO Message 2 */
#define TCO_WDSTATUS 0x0e /* TCO Watchdog status */
#define TCO_TMR 0x12 /* TCP Reload value */
/* bit definitions for SMI_EN and SMI_STS */
#define SMI_TCO_EN 0x2000
@ -317,23 +319,45 @@ struct ichwd_softc {
/* timer value mask for TCO_RLD and TCO_TMR */
#define TCO_TIMER_MASK 0x1f
#define TCO_TIMER_MASK2 0x2f
/* status bits for TCO1_STS */
#define TCO_NEWCENTURY 0x80 /* set for RTC year roll over (99 to 00) */
#define TCO_TIMEOUT 0x08 /* timed out */
#define TCO_INT_STS 0x04 /* data out (DO NOT USE) */
#define TCO_SMI_STS 0x02 /* data in (DO NOT USE) */
#define TCO_SLVSEL 0x2000 /* TCO Slave Select Soft Strap */
#define TCO_CPUSERR_STS 0x1000
#define TCO_CPUSMI_STS 0x0400
#define TCO_CPUSCI_STS 0x0200
#define TCO_BIOSWR_STS 0x0100
#define TCO_NEWCENTURY 0x0080 /* set for RTC year roll over
(99 to 00) */
#define TCO_TIMEOUT 0x0008 /* timed out */
#define TCO_INT_STS 0x0004 /* data out (DO NOT USE) */
#define TCO_SMI_STS 0x0002 /* data in (DO NOT USE) */
#define TCO_NMI2SMI_STS 0x0001
/* status bits for TCO2_STS */
#define TCO_BOOT_STS 0x04 /* failed to come out of reset */
#define TCO_SECOND_TO_STS 0x02 /* ran down twice */
#define TCO_SMLINK_SLAVE_SMI 0x0010
#define TCO_BOOT_STS 0x0004 /* failed to come out of reset */
#define TCO_SECOND_TO_STS 0x0002 /* ran down twice */
#define TCO_INTRD_DET 0x0001
/* control bits for TCO1_CNT */
#define TCO_LOCK 0x1000 /* SMI_BASE.TCO_EN locked */
#define TCO_TMR_HALT 0x0800 /* clear to enable WDT */
#define TCO_NMI2SMI_EN 0x0200 /* convert NMIs to SMIs */
#define TCO_CNT_PRESERVE TCO_NMI2SMI_EN /* preserve these bits */
#define TCO_NMI_NOW 0x0100 /* trigger an NMI */
/* control bits for TCO2_CNT */
#define TCO_OS_POLICY 0x0030 /* mask */
#define TC0_OS_POLICY_BOOT 0x0000
#define TCO_OS_POLICY_SHUTD 0x0010
#define TCO_OS_POLICY_NOLOAD 0x0020
#define TCO_SMB_ALERT_DISABLE 0x0008
#define TCO_INTRD_SEL 0x0003 /* mask */
#define TCO_INTRD_SEL_SILENT 0x0000
#define TCO_INTRD_SEL_INTR 0x0001
#define TCO_INTRD_SEL_SMI 0x0002
/*
* Masks for the TCO timer value field in TCO_RLD.
* If the datasheets are to be believed, the minimum value actually varies
@ -345,9 +369,15 @@ struct ichwd_softc {
#define TCO_RLD1_TMR_MAX 0x003f
#define TCO_RLD2_TMR_MAX 0x03ff
/* approximate length in nanoseconds of one WDT tick (about 0.6 sec) for TCO v1/v2 */
/*
* Approximate length in nanoseconds of one WDT tick (about 0.6 sec)
* for TCO v1/v2/v4
*/
#define ICHWD_TICK 600000000
/* approximate length in nanoseconds of one WDT tick (about 1.0 sec) for TCO v3 */
/*
* Approximate length in nanoseconds of one WDT tick (about 1.0 sec)
* for TCO v3
*/
#define ICHWD_TCO_V3_TICK 1000000000
#endif