diff options
| author | Bruce Losure <blosure@americas.sgi.com> | 2005-09-02 15:16:35 -0500 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-09-06 14:16:01 -0700 |
| commit | 25732ad493b22b7d9f0d250c5a9ad17219f96a47 (patch) | |
| tree | 6d2c753c248977fdca4b5d423b65d7fbf2f70186 /include/asm-ia64/sn/sn_sal.h | |
| parent | 4706df3d3c42af802597d82c8b1542c3d52eab23 (diff) | |
| download | kernel_samsung_smdk4412-25732ad493b22b7d9f0d250c5a9ad17219f96a47.zip kernel_samsung_smdk4412-25732ad493b22b7d9f0d250c5a9ad17219f96a47.tar.gz kernel_samsung_smdk4412-25732ad493b22b7d9f0d250c5a9ad17219f96a47.tar.bz2 | |
[IA64] Altix patch for fpga reset
1) workaround a h/w reset issue
2) to improve the determination of FPGA-based h/w in
the arch/ia64/sn/kernel/tiocx code.
Signed-off-by: Bruce Losure <blosure@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/sn/sn_sal.h')
| -rw-r--r-- | include/asm-ia64/sn/sn_sal.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h index e67825a..6f96ae8 100644 --- a/include/asm-ia64/sn/sn_sal.h +++ b/include/asm-ia64/sn/sn_sal.h @@ -47,6 +47,7 @@ #define SN_SAL_CONSOLE_PUTB 0x02000028 #define SN_SAL_CONSOLE_XMIT_CHARS 0x0200002a #define SN_SAL_CONSOLE_READC 0x0200002b +#define SN_SAL_SYSCTL_OP 0x02000030 #define SN_SAL_SYSCTL_MODID_GET 0x02000031 #define SN_SAL_SYSCTL_GET 0x02000032 #define SN_SAL_SYSCTL_IOBRICK_MODULE_GET 0x02000033 @@ -98,6 +99,13 @@ #define SAL_INTR_FREE 2 /* + * operations available on the generic SN_SAL_SYSCTL_OP + * runtime service + */ +#define SAL_SYSCTL_OP_IOBOARD 0x0001 /* retrieve board type */ +#define SAL_SYSCTL_OP_TIO_JLCK_RST 0x0002 /* issue TIO clock reset */ + +/* * IRouter (i.e. generalized system controller) operations */ #define SAL_IROUTER_OPEN 0 /* open a subchannel */ @@ -876,6 +884,41 @@ ia64_sn_sysctl_event_init(nasid_t nasid) return (int) rv.v0; } +/* + * Ask the system controller on the specified nasid to reset + * the CX corelet clock. Only valid on TIO nodes. + */ +static inline int +ia64_sn_sysctl_tio_clock_reset(nasid_t nasid) +{ + struct ia64_sal_retval rv; + SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_TIO_JLCK_RST, + nasid, 0, 0, 0, 0, 0); + if (rv.status != 0) + return (int)rv.status; + if (rv.v0 != 0) + return (int)rv.v0; + + return 0; +} + +/* + * Get the associated ioboard type for a given nasid. + */ +static inline int +ia64_sn_sysctl_ioboard_get(nasid_t nasid) +{ + struct ia64_sal_retval rv; + SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_IOBOARD, + nasid, 0, 0, 0, 0, 0); + if (rv.v0 != 0) + return (int)rv.v0; + if (rv.v1 != 0) + return (int)rv.v1; + + return 0; +} + /** * ia64_sn_get_fit_compt - read a FIT entry from the PROM header * @nasid: NASID of node to read |