From 771388dc7d1efe26a40242bd509e87ade2c971d1 Mon Sep 17 00:00:00 2001 From: Jack Steiner Date: Fri, 18 Nov 2005 16:11:27 -0600 Subject: [PATCH] [IA64-SGI] support for older versions of PROM Add support for old versions of the SN PROMs. Eventually this support will be deleted but it is useful right now to continue supporting older PROMs. Signed-off-by: Jack Steiner Signed-off-by: Tony Luck --- include/asm-ia64/sn/sn_sal.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h index 3f7564dc0aa..2a8b0d92a5d 100644 --- a/include/asm-ia64/sn/sn_sal.h +++ b/include/asm-ia64/sn/sn_sal.h @@ -56,6 +56,7 @@ #define SN_SAL_BUS_CONFIG 0x02000037 #define SN_SAL_SYS_SERIAL_GET 0x02000038 #define SN_SAL_PARTITION_SERIAL_GET 0x02000039 +#define SN_SAL_SYSCTL_PARTITION_GET 0x0200003a #define SN_SAL_SYSTEM_POWER_DOWN 0x0200003b #define SN_SAL_GET_MASTER_BASEIO_NASID 0x0200003c #define SN_SAL_COHERENCE 0x0200003d @@ -580,6 +581,21 @@ sn_partition_serial_number_val(void) { return sn_partition_serial_number; } +/* + * Returns the partition id of the nasid passed in as an argument, + * or INVALID_PARTID if the partition id cannot be retrieved. + */ +static inline partid_t +ia64_sn_sysctl_partition_get(nasid_t nasid) +{ + struct ia64_sal_retval ret_stuff; + SAL_CALL(ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid, + 0, 0, 0, 0, 0, 0); + if (ret_stuff.status != 0) + return -1; + return ((partid_t)ret_stuff.v0); +} + /* * Returns the physical address of the partition's reserved page through * an iterative number of calls. @@ -1018,6 +1034,24 @@ ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift, ret_stuff.v2 = 0; SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0); +/***** BEGIN HACK - temp til old proms no longer supported ********/ + if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) { + int nasid = get_sapicid() & 0xfff;; +#define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL +#define SH_SHUB_ID_NODES_PER_BIT_SHFT 48 + if (shubtype) *shubtype = 0; + if (nasid_bitmask) *nasid_bitmask = 0x7ff; + if (nasid_shift) *nasid_shift = 38; + if (systemsize) *systemsize = 10; + if (sharing_domain_size) *sharing_domain_size = 8; + if (partid) *partid = ia64_sn_sysctl_partition_get(nasid); + if (coher) *coher = nasid >> 9; + if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & SH_SHUB_ID_NODES_PER_BIT_MASK) >> + SH_SHUB_ID_NODES_PER_BIT_SHFT; + return 0; + } +/***** END HACK *******/ + if (ret_stuff.status < 0) return ret_stuff.status; -- 2.20.1