8d96d5b3a759119baa5937624b8716c8abb4d572jroberts * CDDL HEADER START
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8d96d5b3a759119baa5937624b8716c8abb4d572jroberts * Common Development and Distribution License (the "License").
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8d96d5b3a759119baa5937624b8716c8abb4d572jroberts * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
8d96d5b3a759119baa5937624b8716c8abb4d572jroberts * See the License for the specific language governing permissions
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8d96d5b3a759119baa5937624b8716c8abb4d572jroberts * information: Portions Copyright [yyyy] [name of copyright owner]
8d96d5b3a759119baa5937624b8716c8abb4d572jroberts * CDDL HEADER END
07d06da50d310a325b457d6330165aebab1e0064Surya Prakki * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Use is subject to license terms.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint (*p2get_mem_unum)(int, uint64_t, char *, int, int *);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorostatic void cpu_sgn_update(ushort_t, uchar_t, uchar_t, int);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroint (*rmc_req_now)(rmc_comm_msg_t *, uint8_t) = NULL;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro /* Set appropriate tod module */
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * these two dummy functions are loaded over the original
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * todm5823 set and clear_power_alarm functions. On Boston
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * these functions are not supported, and thus we need to provide
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * dummy functions that just returns.
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * On Boston, clock chip is not persistant across reboots,
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * and moreover it has a bug sending memory access.
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * This fix is done by writing over the original
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * tod_ops function pointer with our dummy replacement functions.
986c3e858c71d3da2429d82e3ca17e44988f94b3zx/*ARGSUSED*/
986c3e858c71d3da2429d82e3ca17e44988f94b3zxstatic void
986c3e858c71d3da2429d82e3ca17e44988f94b3zxstatic void
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Definitions for accessing the pci config space of the isa node
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * of Southbridge.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorostatic ddi_acc_handle_t isa_handle = NULL; /* handle for isa pci space */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Definition for accessing rmclomv
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * It is OK to return error because 'us' driver is not available
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * in all clusters (e.g. missing in Core cluster).
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * mc-us3i must stay loaded for plat_get_mem_unum()
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (i_ddi_attach_hw_nodes("mc-us3i") != DDI_SUCCESS)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro cmn_err(CE_WARN, "mc-us3i driver failed to install");
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) ddi_hold_driver(ddi_name_to_major("mc-us3i"));
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * load the power button driver
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro cmn_err(CE_WARN, "power button driver failed to install");
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * load the GPIO driver for the ALOM reset and watchdog lines
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (i_ddi_attach_hw_nodes("pmugpio") != DDI_SUCCESS)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Disable an active h/w watchdog timer upon exit to OBP.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) ddi_hold_driver(ddi_name_to_major("pmugpio"));
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Figure out which mi2cv dip is shared with OBP for the nvram
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * device, so the lock can be acquired.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro shared_mi2cv_dip = e_ddi_hold_devi_by_path(SHARED_MI2CV_PATH, 0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Load the environmentals driver (rmclomv)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * We need this driver to handle events from the RMC when state
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * changes occur in the environmental data.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (i_ddi_attach_hw_nodes("rmc_comm") != DDI_SUCCESS) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void) ddi_hold_driver(ddi_name_to_major("rmc_comm"));
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (e_ddi_hold_devi_by_path(RMCLOMV_PATHNAME, 0) == NULL) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro cmn_err(CE_WARN, "Could not install rmclomv driver\n");
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * These two dummy functions are loaded over the original
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * todm5823 set and clear_power_alarm functions. On Boston,
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * these functionalities are not supported.
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * The load_platform_drivers(void) is called from post_startup()
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * which is after all the initialization of the tod module is
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * finished, then we replace 2 of the tod_ops function pointers
986c3e858c71d3da2429d82e3ca17e44988f94b3zx * with our dummy version.
986c3e858c71d3da2429d82e3ca17e44988f94b3zx tod_ops.tod_set_power_alarm = dummy_todm5823_set_power_alarm;
986c3e858c71d3da2429d82e3ca17e44988f94b3zx tod_ops.tod_clear_power_alarm = dummy_todm5823_clear_power_alarm;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * create a handle to the rmc_comm_request_nowait() function
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * inside the rmc_comm module.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * The Seattle/Boston todm5823 driver will use this handle to
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * use the rmc_comm_request_nowait() function to send time/date
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * updates to ALOM.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * This routine is needed if a device error or timeout occurs before the
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * driver is loaded.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * This will be filled in with the reset logic
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * for the ULI1573 when that becomes available.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * currently this is just a stub.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (ENOTSUP); /* not supported on this platform */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (ENOTSUP); /* not supported on this platform */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_get_mem_unum(int synd_code, uint64_t flt_addr, int flt_bus_id,
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int flt_in_memory, ushort_t flt_status, char *buf, int buflen, int *lenp)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (p2get_mem_unum(synd_code, P2ALIGN(flt_addr, 8),
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * This platform hook gets called from mc_add_mem_unum_label() in the mc-us3i
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * driver giving each platform the opportunity to add platform
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * specific label information to the unum for ECC error logging purposes.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_add_mem_unum_label(char *unum, int mcid, int bank, int dimm)
c02f1d7ae61ce7413277ef6c58043438b865a641jroberts printed = snprintf(unum, buflen, "MB/C%d/P0/B%d", mcid, bank);
07d06da50d310a325b457d6330165aebab1e0064Surya Prakki (void) snprintf(unum, buflen, ": %s", old_unum);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloroplat_get_cpu_unum(int cpuid, char *buf, int buflen, int *lenp)
1f017db093f7568e41a3d8c6429e13daf5424ff8jroberts if (snprintf(buf, buflen, "MB/C%d", cpuid) >= buflen) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (0);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Our nodename has been set, pass it along to the RMC.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int (*rmc_req_res)(rmc_comm_msg_t *, rmc_comm_msg_t *, time_t) = NULL;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * find the symbol for the mailbox routine
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro rmc_req_res = (int (*)(rmc_comm_msg_t *, rmc_comm_msg_t *, time_t))
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * construct the message telling the RMC our nodename
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * cpu signatures - we're only interested in the overall system
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * "signature" on this platform - not individual cpu signatures
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro/*ARGSUSED*/
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbelorocpu_sgn_update(ushort_t sig, uchar_t state, uchar_t sub_state, int cpuid)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro int (*rmc_req_now)(rmc_comm_msg_t *, uint8_t) = NULL;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Differentiate a panic reboot from a non-panic reboot in the
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * setting of the substate of the signature.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * If the new substate is REBOOT and we're rebooting due to a panic,
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * then set the new substate to a special value indicating a panic
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * reboot, SIGSUBST_PANIC_REBOOT.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * A panic reboot is detected by a current (previous) signature
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * state of SIGST_EXIT, and a new signature substate of SIGSUBST_REBOOT.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * The domain signature state SIGST_EXIT is used as the panic flow
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * progresses.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * At the end of the panic flow, the reboot occurs but we should know
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * one that was involuntary, something that may be quite useful to know
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * at OBP level.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (state == SIGST_EXIT && sub_state == SIGSUBST_REBOOT) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * offline and detached states only apply to a specific cpu
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * so ignore them.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (state == SIGST_OFFLINE || state == SIGST_DETACHED) {
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro current_sgn.signature = CPU_SIG_BLD(sig, state, sub_state);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * find the symbol for the mailbox routine
ec5d0d675ffdbb09cd217abcd317e456ccc67846philippm * We need to tell the SP that the host is about to stop running. The
ec5d0d675ffdbb09cd217abcd317e456ccc67846philippm * SP will then allow the date to be set at its console, it will change
ec5d0d675ffdbb09cd217abcd317e456ccc67846philippm * state of the activity indicator, it will display the correct host
ec5d0d675ffdbb09cd217abcd317e456ccc67846philippm * status, and it will stop sending console messages and alerts to the
ec5d0d675ffdbb09cd217abcd317e456ccc67846philippm * host communication channel.
ec5d0d675ffdbb09cd217abcd317e456ccc67846philippm * This requires the RMC_COMM_DREQ_URGENT as we want to
ec5d0d675ffdbb09cd217abcd317e456ccc67846philippm * be sure activity indicators will reflect the correct status.
ec5d0d675ffdbb09cd217abcd317e456ccc67846philippm * When sub_state SIGSUBST_DUMP is sent, the urgent flag
ec5d0d675ffdbb09cd217abcd317e456ccc67846philippm * (RMC_COMM_DREQ_URGENT) is not required as SIGSUBST_PANIC_REBOOT
ec5d0d675ffdbb09cd217abcd317e456ccc67846philippm * has already been sent and changed activity indicators.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if (state == SIGST_EXIT && (sub_state == SIGSUBST_HALT ||
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro sub_state == SIGSUBST_REBOOT || sub_state == SIGSUBST_ENVIRON ||
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Fiesta support for lgroups.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * On fiesta platform, an lgroup platform handle == CPU id
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Macro for extracting the CPU number from the CPU id
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Return the platform handle for the lgroup containing the given CPU
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Platform specific lgroup initialization
d1a96f96f5596d01fbc8f94d718b4d737bfdca8eanovick char tmp_name[sizeof (OBP_CPU) + 1]; /* extra padding */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Count the number of CPUs installed to determine if
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * NUMA optimization should be enabled or not.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * All CPU nodes reside in the root node and have a
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * device type "cpu".
d1a96f96f5596d01fbc8f94d718b4d737bfdca8eanovick if (prom_bounded_getprop(curnode, OBP_DEVICETYPE, tmp_name,
d1a96f96f5596d01fbc8f94d718b4d737bfdca8eanovick sizeof (OBP_CPU)) == -1 || strcmp(tmp_name, OBP_CPU) != 0)
d1a96f96f5596d01fbc8f94d718b4d737bfdca8eanovick if (prom_getprop(curnode, "portid", (caddr_t)&portid) !=
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro else if (max_portid >= 0 && max_portid < MAX_MEM_NODES)
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Set tuneables for fiesta architecture
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * lgrp_expand_proc_thresh is the minimum load on the lgroups
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * this process is currently running on before considering
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * expanding threads to another lgroup.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * lgrp_expand_proc_diff determines how much less the remote lgroup
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * must be loaded before expanding to it.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Optimize for memory bandwidth by spreading multi-threaded
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * program to different lgroups.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_expand_proc_thresh = lgrp_loadavg_max_effect - 1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_expand_proc_diff = lgrp_loadavg_max_effect / 2;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_loadavg_tolerance = lgrp_loadavg_max_effect / 2;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_mem_free_thresh = 1; /* home lgrp must have some memory */
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro lgrp_expand_proc_thresh = lgrp_loadavg_max_effect - 1;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro mem_node_pfn_shift = PLATFORM_MC_SHIFT - MMU_PAGESHIFT;
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Return latency between "from" and "to" lgroups
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * This latency number can only be used for relative comparison
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * between lgroups on the running system, cannot be used across platforms,
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * and may not reflect the actual latency. It is platform and implementation
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * specific, so platform gets to decide its value. It would be nice if the
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * number was at least proportional to make comparisons more meaningful though.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * NOTE: The numbers below are supposed to be load latencies for uncached
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * memory divided by 10.
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Return remote latency when there are more than two lgroups
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * (root and child) and getting latency between two different
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * lgroups or root is involved
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro (void *) LGRP_DEFAULT_HANDLE || to == (void *) LGRP_DEFAULT_HANDLE))
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (17);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro return (12);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Assign memnode to lgroups
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Memory controller portid == global CPU id
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro if ((prom_getprop(nodeid, "portid", (caddr_t)&portid) == -1) ||
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro plat_assign_lgrphand_to_mem_node((lgrp_handle_t)portid, portid);
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Common locking enter code
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Common locking exit code
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Called by mi2cv driver
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Called by mi2cv driver
d58fda4376e4bf67072ce2e69f6f47036f9dbb68jbeloro * Called by todm5823 driver