Loading arch/ia64/sn/pci/tioce_provider.c +303 −23 Original line number Diff line number Diff line Loading @@ -15,6 +15,124 @@ #include <asm/sn/pcidev.h> #include <asm/sn/pcibus_provider_defs.h> #include <asm/sn/tioce_provider.h> #include <asm/sn/sn2/sn_hwperf.h> /* * 1/26/2006 * * WAR for SGI PV 944642. For revA TIOCE, need to use the following recipe * (taken from the above PV) before and after accessing tioce internal MMR's * to avoid tioce lockups. * * The recipe as taken from the PV: * * if(mmr address < 0x45000) { * if(mmr address == 0 or 0x80) * mmr wrt or read address 0xc0 * else if(mmr address == 0x148 or 0x200) * mmr wrt or read address 0x28 * else * mmr wrt or read address 0x158 * * do desired mmr access (rd or wrt) * * if(mmr address == 0x100) * mmr wrt or read address 0x38 * mmr wrt or read address 0xb050 * } else * do desired mmr access * * According to hw, we can use reads instead of writes to the above addres * * Note this WAR can only to be used for accessing internal MMR's in the * TIOCE Coretalk Address Range 0x0 - 0x07ff_ffff. This includes the * "Local CE Registers and Memories" and "PCI Compatible Config Space" address * spaces from table 2-1 of the "CE Programmer's Reference Overview" document. * * All registers defined in struct tioce will meet that criteria. */ static void inline tioce_mmr_war_pre(struct tioce_kernel *kern, void *mmr_addr) { u64 mmr_base; u64 mmr_offset; if (kern->ce_common->ce_rev != TIOCE_REV_A) return; mmr_base = kern->ce_common->ce_pcibus.bs_base; mmr_offset = (u64)mmr_addr - mmr_base; if (mmr_offset < 0x45000) { u64 mmr_war_offset; if (mmr_offset == 0 || mmr_offset == 0x80) mmr_war_offset = 0xc0; else if (mmr_offset == 0x148 || mmr_offset == 0x200) mmr_war_offset = 0x28; else mmr_war_offset = 0x158; readq_relaxed((void *)(mmr_base + mmr_war_offset)); } } static void inline tioce_mmr_war_post(struct tioce_kernel *kern, void *mmr_addr) { u64 mmr_base; u64 mmr_offset; if (kern->ce_common->ce_rev != TIOCE_REV_A) return; mmr_base = kern->ce_common->ce_pcibus.bs_base; mmr_offset = (u64)mmr_addr - mmr_base; if (mmr_offset < 0x45000) { if (mmr_offset == 0x100) readq_relaxed((void *)(mmr_base + 0x38)); readq_relaxed((void *)(mmr_base + 0xb050)); } } /* load mmr contents into a variable */ #define tioce_mmr_load(kern, mmrp, varp) do {\ tioce_mmr_war_pre(kern, mmrp); \ *(varp) = readq_relaxed(mmrp); \ tioce_mmr_war_post(kern, mmrp); \ } while (0) /* store variable contents into mmr */ #define tioce_mmr_store(kern, mmrp, varp) do {\ tioce_mmr_war_pre(kern, mmrp); \ writeq(*varp, mmrp); \ tioce_mmr_war_post(kern, mmrp); \ } while (0) /* store immediate value into mmr */ #define tioce_mmr_storei(kern, mmrp, val) do {\ tioce_mmr_war_pre(kern, mmrp); \ writeq(val, mmrp); \ tioce_mmr_war_post(kern, mmrp); \ } while (0) /* set bits (immediate value) into mmr */ #define tioce_mmr_seti(kern, mmrp, bits) do {\ u64 tmp; \ tioce_mmr_load(kern, mmrp, &tmp); \ tmp |= (bits); \ tioce_mmr_store(kern, mmrp, &tmp); \ } while (0) /* clear bits (immediate value) into mmr */ #define tioce_mmr_clri(kern, mmrp, bits) do { \ u64 tmp; \ tioce_mmr_load(kern, mmrp, &tmp); \ tmp &= ~(bits); \ tioce_mmr_store(kern, mmrp, &tmp); \ } while (0) /** * Bus address ranges for the 5 flavors of TIOCE DMA Loading Loading @@ -62,9 +180,9 @@ #define TIOCE_ATE_M40 2 #define TIOCE_ATE_M40S 3 #define KB(x) ((x) << 10) #define MB(x) ((x) << 20) #define GB(x) ((x) << 30) #define KB(x) ((u64)(x) << 10) #define MB(x) ((u64)(x) << 20) #define GB(x) ((u64)(x) << 30) /** * tioce_dma_d64 - create a DMA mapping using 64-bit direct mode Loading Loading @@ -151,7 +269,7 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port, int last; int entries; int nates; int pagesize; u64 pagesize; u64 *ate_shadow; u64 *ate_reg; u64 addr; Loading Loading @@ -228,7 +346,7 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port, ate = ATE_MAKE(addr, pagesize); ate_shadow[i + j] = ate; writeq(ate, &ate_reg[i + j]); tioce_mmr_storei(ce_kern, &ate_reg[i + j], ate); addr += pagesize; } Loading Loading @@ -272,7 +390,8 @@ tioce_dma_d32(struct pci_dev *pdev, u64 ct_addr) u64 tmp; ce_kern->ce_port[port].dirmap_shadow = ct_upper; writeq(ct_upper, &ce_mmr->ce_ure_dir_map[port]); tioce_mmr_storei(ce_kern, &ce_mmr->ce_ure_dir_map[port], ct_upper); tmp = ce_mmr->ce_ure_dir_map[port]; dma_ok = 1; } else Loading Loading @@ -344,7 +463,8 @@ tioce_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir) if (TIOCE_D32_ADDR(bus_addr)) { if (--ce_kern->ce_port[port].dirmap_refcnt == 0) { ce_kern->ce_port[port].dirmap_shadow = 0; writeq(0, &ce_mmr->ce_ure_dir_map[port]); tioce_mmr_storei(ce_kern, &ce_mmr->ce_ure_dir_map[port], 0); } } else { struct tioce_dmamap *map; Loading @@ -365,7 +485,7 @@ tioce_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir) } else if (--map->refcnt == 0) { for (i = 0; i < map->ate_count; i++) { map->ate_shadow[i] = 0; map->ate_hw[i] = 0; tioce_mmr_storei(ce_kern, &map->ate_hw[i], 0); } list_del(&map->ce_dmamap_list); Loading Loading @@ -486,7 +606,7 @@ tioce_do_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count, spin_unlock_irqrestore(&ce_kern->ce_lock, flags); dma_map_done: if (mapaddr & barrier) if (mapaddr && barrier) mapaddr = tioce_dma_barrier(mapaddr, 1); return mapaddr; Loading Loading @@ -541,17 +661,61 @@ tioce_error_intr_handler(int irq, void *arg, struct pt_regs *pt) soft->ce_pcibus.bs_persist_segment, soft->ce_pcibus.bs_persist_busnum, 0, 0, 0, 0, 0); if (ret_stuff.v0) panic("tioce_error_intr_handler: Fatal TIOCE error"); return IRQ_HANDLED; } /** * tioce_reserve_m32 - reserve M32 ate's for the indicated address range * @tioce_kernel: TIOCE context to reserve ate's for * @base: starting bus address to reserve * @limit: last bus address to reserve * * If base/limit falls within the range of bus space mapped through the * M32 space, reserve the resources corresponding to the range. */ static void tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit) { int ate_index, last_ate, ps; struct tioce *ce_mmr; if (!TIOCE_M32_ADDR(base)) return; ce_mmr = (struct tioce *)ce_kern->ce_common->ce_pcibus.bs_base; ps = ce_kern->ce_ate3240_pagesize; ate_index = ATE_PAGE(base, ps); last_ate = ate_index + ATE_NPAGES(base, limit-base+1, ps) - 1; if (ate_index < 64) ate_index = 64; while (ate_index <= last_ate) { u64 ate; ate = ATE_MAKE(0xdeadbeef, ps); ce_kern->ce_ate3240_shadow[ate_index] = ate; tioce_mmr_storei(ce_kern, &ce_mmr->ce_ure_ate3240[ate_index], ate); ate_index++; } } /** * tioce_kern_init - init kernel structures related to a given TIOCE * @tioce_common: ptr to a cached tioce_common struct that originated in prom */ static struct tioce_kernel * */ static struct tioce_kernel * tioce_kern_init(struct tioce_common *tioce_common) { int i; int ps; int dev; u32 tmp; unsigned int seg, bus; struct tioce *tioce_mmr; struct tioce_kernel *tioce_kern; Loading @@ -572,9 +736,10 @@ tioce_kern_init(struct tioce_common *tioce_common) * here to use pci_read_config_xxx() so use the raw_pci_ops vector. */ raw_pci_ops->read(tioce_common->ce_pcibus.bs_persist_segment, tioce_common->ce_pcibus.bs_persist_busnum, PCI_DEVFN(2, 0), PCI_SECONDARY_BUS, 1, &tmp); seg = tioce_common->ce_pcibus.bs_persist_segment; bus = tioce_common->ce_pcibus.bs_persist_busnum; raw_pci_ops->read(seg, bus, PCI_DEVFN(2, 0), PCI_SECONDARY_BUS, 1,&tmp); tioce_kern->ce_port1_secondary = (u8) tmp; /* Loading @@ -583,18 +748,76 @@ tioce_kern_init(struct tioce_common *tioce_common) */ tioce_mmr = (struct tioce *)tioce_common->ce_pcibus.bs_base; __sn_clrq_relaxed(&tioce_mmr->ce_ure_page_map, CE_URE_PAGESIZE_MASK); __sn_setq_relaxed(&tioce_mmr->ce_ure_page_map, CE_URE_256K_PAGESIZE); tioce_kern->ce_ate3240_pagesize = KB(256); tioce_mmr_clri(tioce_kern, &tioce_mmr->ce_ure_page_map, CE_URE_PAGESIZE_MASK); tioce_mmr_seti(tioce_kern, &tioce_mmr->ce_ure_page_map, CE_URE_256K_PAGESIZE); ps = tioce_kern->ce_ate3240_pagesize = KB(256); for (i = 0; i < TIOCE_NUM_M40_ATES; i++) { tioce_kern->ce_ate40_shadow[i] = 0; writeq(0, &tioce_mmr->ce_ure_ate40[i]); tioce_mmr_storei(tioce_kern, &tioce_mmr->ce_ure_ate40[i], 0); } for (i = 0; i < TIOCE_NUM_M3240_ATES; i++) { tioce_kern->ce_ate3240_shadow[i] = 0; writeq(0, &tioce_mmr->ce_ure_ate3240[i]); tioce_mmr_storei(tioce_kern, &tioce_mmr->ce_ure_ate3240[i], 0); } /* * Reserve ATE's corresponding to reserved address ranges. These * include: * * Memory space covered by each PPB mem base/limit register * Memory space covered by each PPB prefetch base/limit register * * These bus ranges are for pio (downstream) traffic only, and so * cannot be used for DMA. */ for (dev = 1; dev <= 2; dev++) { u64 base, limit; /* mem base/limit */ raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_MEMORY_BASE, 2, &tmp); base = (u64)tmp << 16; raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_MEMORY_LIMIT, 2, &tmp); limit = (u64)tmp << 16; limit |= 0xfffffUL; if (base < limit) tioce_reserve_m32(tioce_kern, base, limit); /* * prefetch mem base/limit. The tioce ppb's have 64-bit * decoders, so read the upper portions w/o checking the * attributes. */ raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_PREF_MEMORY_BASE, 2, &tmp); base = ((u64)tmp & PCI_PREF_RANGE_MASK) << 16; raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_PREF_BASE_UPPER32, 4, &tmp); base |= (u64)tmp << 32; raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_PREF_MEMORY_LIMIT, 2, &tmp); limit = ((u64)tmp & PCI_PREF_RANGE_MASK) << 16; limit |= 0xfffffUL; raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_PREF_LIMIT_UPPER32, 4, &tmp); limit |= (u64)tmp << 32; if ((base < limit) && TIOCE_M32_ADDR(base)) tioce_reserve_m32(tioce_kern, base, limit); } return tioce_kern; Loading @@ -614,6 +837,7 @@ tioce_force_interrupt(struct sn_irq_info *sn_irq_info) { struct pcidev_info *pcidev_info; struct tioce_common *ce_common; struct tioce_kernel *ce_kern; struct tioce *ce_mmr; u64 force_int_val; Loading @@ -629,6 +853,29 @@ tioce_force_interrupt(struct sn_irq_info *sn_irq_info) ce_common = (struct tioce_common *)pcidev_info->pdi_pcibus_info; ce_mmr = (struct tioce *)ce_common->ce_pcibus.bs_base; ce_kern = (struct tioce_kernel *)ce_common->ce_kernel_private; /* * TIOCE Rev A workaround (PV 945826), force an interrupt by writing * the TIO_INTx register directly (1/26/2006) */ if (ce_common->ce_rev == TIOCE_REV_A) { u64 int_bit_mask = (1ULL << sn_irq_info->irq_int_bit); u64 status; tioce_mmr_load(ce_kern, &ce_mmr->ce_adm_int_status, &status); if (status & int_bit_mask) { u64 force_irq = (1 << 8) | sn_irq_info->irq_irq; u64 ctalk = sn_irq_info->irq_xtalkaddr; u64 nasid, offset; nasid = (ctalk & CTALK_NASID_MASK) >> CTALK_NASID_SHFT; offset = (ctalk & CTALK_NODE_OFFSET); HUB_S(TIO_IOSPACE_ADDR(nasid, offset), force_irq); } return; } /* * irq_int_bit is originally set up by prom, and holds the interrupt Loading Loading @@ -666,7 +913,7 @@ tioce_force_interrupt(struct sn_irq_info *sn_irq_info) default: return; } writeq(force_int_val, &ce_mmr->ce_adm_force_int); tioce_mmr_storei(ce_kern, &ce_mmr->ce_adm_force_int, force_int_val); } /** Loading @@ -685,6 +932,7 @@ tioce_target_interrupt(struct sn_irq_info *sn_irq_info) { struct pcidev_info *pcidev_info; struct tioce_common *ce_common; struct tioce_kernel *ce_kern; struct tioce *ce_mmr; int bit; u64 vector; Loading @@ -695,14 +943,15 @@ tioce_target_interrupt(struct sn_irq_info *sn_irq_info) ce_common = (struct tioce_common *)pcidev_info->pdi_pcibus_info; ce_mmr = (struct tioce *)ce_common->ce_pcibus.bs_base; ce_kern = (struct tioce_kernel *)ce_common->ce_kernel_private; bit = sn_irq_info->irq_int_bit; __sn_setq_relaxed(&ce_mmr->ce_adm_int_mask, (1UL << bit)); tioce_mmr_seti(ce_kern, &ce_mmr->ce_adm_int_mask, (1UL << bit)); vector = (u64)sn_irq_info->irq_irq << INTR_VECTOR_SHFT; vector |= sn_irq_info->irq_xtalkaddr; writeq(vector, &ce_mmr->ce_adm_int_dest[bit]); __sn_clrq_relaxed(&ce_mmr->ce_adm_int_mask, (1UL << bit)); tioce_mmr_storei(ce_kern, &ce_mmr->ce_adm_int_dest[bit], vector); tioce_mmr_clri(ce_kern, &ce_mmr->ce_adm_int_mask, (1UL << bit)); tioce_force_interrupt(sn_irq_info); } Loading @@ -721,7 +970,11 @@ tioce_target_interrupt(struct sn_irq_info *sn_irq_info) static void * tioce_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *controller) { int my_nasid; cnodeid_t my_cnode, mem_cnode; struct tioce_common *tioce_common; struct tioce_kernel *tioce_kern; struct tioce *tioce_mmr; /* * Allocate kernel bus soft and copy from prom. Loading @@ -734,11 +987,23 @@ tioce_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont memcpy(tioce_common, prom_bussoft, sizeof(struct tioce_common)); tioce_common->ce_pcibus.bs_base |= __IA64_UNCACHED_OFFSET; if (tioce_kern_init(tioce_common) == NULL) { tioce_kern = tioce_kern_init(tioce_common); if (tioce_kern == NULL) { kfree(tioce_common); return NULL; } /* * Clear out any transient errors before registering the error * interrupt handler. */ tioce_mmr = (struct tioce *)tioce_common->ce_pcibus.bs_base; tioce_mmr_seti(tioce_kern, &tioce_mmr->ce_adm_int_status_alias, ~0ULL); tioce_mmr_seti(tioce_kern, &tioce_mmr->ce_adm_error_summary_alias, ~0ULL); tioce_mmr_seti(tioce_kern, &tioce_mmr->ce_dre_comp_err_addr, ~0ULL); if (request_irq(SGI_PCIASIC_ERROR, tioce_error_intr_handler, SA_SHIRQ, "TIOCE error", (void *)tioce_common)) Loading @@ -750,6 +1015,21 @@ tioce_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont tioce_common->ce_pcibus.bs_persist_segment, tioce_common->ce_pcibus.bs_persist_busnum); /* * identify closest nasid for memory allocations */ my_nasid = NASID_GET(tioce_common->ce_pcibus.bs_base); my_cnode = nasid_to_cnodeid(my_nasid); if (sn_hwperf_get_nearest_node(my_cnode, &mem_cnode, NULL) < 0) { printk(KERN_WARNING "tioce_bus_fixup: failed to find " "closest node with MEM to TIO node %d\n", my_cnode); mem_cnode = (cnodeid_t)-1; /* use any node */ } controller->node = mem_cnode; return tioce_common; } Loading include/asm-ia64/sn/addrs.h +8 −0 Original line number Diff line number Diff line Loading @@ -283,5 +283,13 @@ #define REMOTE_HUB_L(n, a) HUB_L(REMOTE_HUB_ADDR((n), (a))) #define REMOTE_HUB_S(n, a, d) HUB_S(REMOTE_HUB_ADDR((n), (a)), (d)) /* * Coretalk address breakdown */ #define CTALK_NASID_SHFT 40 #define CTALK_NASID_MASK (0x3FFFULL << CTALK_NASID_SHFT) #define CTALK_CID_SHFT 38 #define CTALK_CID_MASK (0x3ULL << CTALK_CID_SHFT) #define CTALK_NODE_OFFSET 0x3FFFFFFFFF #endif /* _ASM_IA64_SN_ADDRS_H */ include/asm-ia64/sn/tioce.h +34 −2 Original line number Diff line number Diff line Loading @@ -11,7 +11,7 @@ /* CE ASIC part & mfgr information */ #define TIOCE_PART_NUM 0xCE00 #define TIOCE_MFGR_NUM 0x36 #define TIOCE_SRC_ID 0x01 #define TIOCE_REV_A 0x1 /* CE Virtual PPB Vendor/Device IDs */ Loading @@ -20,7 +20,7 @@ /* CE Host Bridge Vendor/Device IDs */ #define CE_HOST_BRIDGE_VENDOR_ID 0x10a9 #define CE_HOST_BRIDGE_DEVICE_ID 0x4003 #define CE_HOST_BRIDGE_DEVICE_ID 0x4001 #define TIOCE_NUM_M40_ATES 4096 Loading Loading @@ -463,6 +463,25 @@ typedef volatile struct tioce { u64 ce_end_of_struct; /* 0x044400 */ } tioce_t; /* ce_lsiX_gb_cfg1 register bit masks & shifts */ #define CE_LSI_GB_CFG1_RXL0S_THS_SHFT 0 #define CE_LSI_GB_CFG1_RXL0S_THS_MASK (0xffULL << 0) #define CE_LSI_GB_CFG1_RXL0S_SMP_SHFT 8 #define CE_LSI_GB_CFG1_RXL0S_SMP_MASK (0xfULL << 8); #define CE_LSI_GB_CFG1_RXL0S_ADJ_SHFT 12 #define CE_LSI_GB_CFG1_RXL0S_ADJ_MASK (0x7ULL << 12) #define CE_LSI_GB_CFG1_RXL0S_FLT_SHFT 15 #define CE_LSI_GB_CFG1_RXL0S_FLT_MASK (0x1ULL << 15) #define CE_LSI_GB_CFG1_LPBK_SEL_SHFT 16 #define CE_LSI_GB_CFG1_LPBK_SEL_MASK (0x3ULL << 16) #define CE_LSI_GB_CFG1_LPBK_EN_SHFT 18 #define CE_LSI_GB_CFG1_LPBK_EN_MASK (0x1ULL << 18) #define CE_LSI_GB_CFG1_RVRS_LB_SHFT 19 #define CE_LSI_GB_CFG1_RVRS_LB_MASK (0x1ULL << 19) #define CE_LSI_GB_CFG1_RVRS_CLK_SHFT 20 #define CE_LSI_GB_CFG1_RVRS_CLK_MASK (0x3ULL << 20) #define CE_LSI_GB_CFG1_SLF_TS_SHFT 24 #define CE_LSI_GB_CFG1_SLF_TS_MASK (0xfULL << 24) /* ce_adm_int_mask/ce_adm_int_status register bit defines */ #define CE_ADM_INT_CE_ERROR_SHFT 0 Loading Loading @@ -592,6 +611,11 @@ typedef volatile struct tioce { #define CE_URE_RD_MRG_ENABLE (0x1ULL << 0) #define CE_URE_WRT_MRG_ENABLE1 (0x1ULL << 4) #define CE_URE_WRT_MRG_ENABLE2 (0x1ULL << 5) #define CE_URE_WRT_MRG_TIMER_SHFT 12 #define CE_URE_WRT_MRG_TIMER_MASK (0x7FFULL << CE_URE_WRT_MRG_TIMER_SHFT) #define CE_URE_WRT_MRG_TIMER(x) (((u64)(x) << \ CE_URE_WRT_MRG_TIMER_SHFT) & \ CE_URE_WRT_MRG_TIMER_MASK) #define CE_URE_RSPQ_BYPASS_DISABLE (0x1ULL << 24) #define CE_URE_UPS_DAT1_PAR_DISABLE (0x1ULL << 32) #define CE_URE_UPS_HDR1_PAR_DISABLE (0x1ULL << 33) Loading Loading @@ -653,8 +677,12 @@ typedef volatile struct tioce { #define CE_URE_SI (0x1ULL << 0) #define CE_URE_ELAL_SHFT 4 #define CE_URE_ELAL_MASK (0x7ULL << CE_URE_ELAL_SHFT) #define CE_URE_ELAL_SET(n) (((u64)(n) << CE_URE_ELAL_SHFT) & \ CE_URE_ELAL_MASK) #define CE_URE_ELAL1_SHFT 8 #define CE_URE_ELAL1_MASK (0x7ULL << CE_URE_ELAL1_SHFT) #define CE_URE_ELAL1_SET(n) (((u64)(n) << CE_URE_ELAL1_SHFT) & \ CE_URE_ELAL1_MASK) #define CE_URE_SCC (0x1ULL << 12) #define CE_URE_PN1_SHFT 16 #define CE_URE_PN1_MASK (0xFFULL << CE_URE_PN1_SHFT) Loading @@ -675,8 +703,12 @@ typedef volatile struct tioce { #define CE_URE_HPC (0x1ULL << 6) #define CE_URE_SPLV_SHFT 7 #define CE_URE_SPLV_MASK (0xFFULL << CE_URE_SPLV_SHFT) #define CE_URE_SPLV_SET(n) (((u64)(n) << CE_URE_SPLV_SHFT) & \ CE_URE_SPLV_MASK) #define CE_URE_SPLS_SHFT 15 #define CE_URE_SPLS_MASK (0x3ULL << CE_URE_SPLS_SHFT) #define CE_URE_SPLS_SET(n) (((u64)(n) << CE_URE_SPLS_SHFT) & \ CE_URE_SPLS_MASK) #define CE_URE_PSN1_SHFT 19 #define CE_URE_PSN1_MASK (0x1FFFULL << CE_URE_PSN1_SHFT) #define CE_URE_PSN2_SHFT 32 Loading Loading
arch/ia64/sn/pci/tioce_provider.c +303 −23 Original line number Diff line number Diff line Loading @@ -15,6 +15,124 @@ #include <asm/sn/pcidev.h> #include <asm/sn/pcibus_provider_defs.h> #include <asm/sn/tioce_provider.h> #include <asm/sn/sn2/sn_hwperf.h> /* * 1/26/2006 * * WAR for SGI PV 944642. For revA TIOCE, need to use the following recipe * (taken from the above PV) before and after accessing tioce internal MMR's * to avoid tioce lockups. * * The recipe as taken from the PV: * * if(mmr address < 0x45000) { * if(mmr address == 0 or 0x80) * mmr wrt or read address 0xc0 * else if(mmr address == 0x148 or 0x200) * mmr wrt or read address 0x28 * else * mmr wrt or read address 0x158 * * do desired mmr access (rd or wrt) * * if(mmr address == 0x100) * mmr wrt or read address 0x38 * mmr wrt or read address 0xb050 * } else * do desired mmr access * * According to hw, we can use reads instead of writes to the above addres * * Note this WAR can only to be used for accessing internal MMR's in the * TIOCE Coretalk Address Range 0x0 - 0x07ff_ffff. This includes the * "Local CE Registers and Memories" and "PCI Compatible Config Space" address * spaces from table 2-1 of the "CE Programmer's Reference Overview" document. * * All registers defined in struct tioce will meet that criteria. */ static void inline tioce_mmr_war_pre(struct tioce_kernel *kern, void *mmr_addr) { u64 mmr_base; u64 mmr_offset; if (kern->ce_common->ce_rev != TIOCE_REV_A) return; mmr_base = kern->ce_common->ce_pcibus.bs_base; mmr_offset = (u64)mmr_addr - mmr_base; if (mmr_offset < 0x45000) { u64 mmr_war_offset; if (mmr_offset == 0 || mmr_offset == 0x80) mmr_war_offset = 0xc0; else if (mmr_offset == 0x148 || mmr_offset == 0x200) mmr_war_offset = 0x28; else mmr_war_offset = 0x158; readq_relaxed((void *)(mmr_base + mmr_war_offset)); } } static void inline tioce_mmr_war_post(struct tioce_kernel *kern, void *mmr_addr) { u64 mmr_base; u64 mmr_offset; if (kern->ce_common->ce_rev != TIOCE_REV_A) return; mmr_base = kern->ce_common->ce_pcibus.bs_base; mmr_offset = (u64)mmr_addr - mmr_base; if (mmr_offset < 0x45000) { if (mmr_offset == 0x100) readq_relaxed((void *)(mmr_base + 0x38)); readq_relaxed((void *)(mmr_base + 0xb050)); } } /* load mmr contents into a variable */ #define tioce_mmr_load(kern, mmrp, varp) do {\ tioce_mmr_war_pre(kern, mmrp); \ *(varp) = readq_relaxed(mmrp); \ tioce_mmr_war_post(kern, mmrp); \ } while (0) /* store variable contents into mmr */ #define tioce_mmr_store(kern, mmrp, varp) do {\ tioce_mmr_war_pre(kern, mmrp); \ writeq(*varp, mmrp); \ tioce_mmr_war_post(kern, mmrp); \ } while (0) /* store immediate value into mmr */ #define tioce_mmr_storei(kern, mmrp, val) do {\ tioce_mmr_war_pre(kern, mmrp); \ writeq(val, mmrp); \ tioce_mmr_war_post(kern, mmrp); \ } while (0) /* set bits (immediate value) into mmr */ #define tioce_mmr_seti(kern, mmrp, bits) do {\ u64 tmp; \ tioce_mmr_load(kern, mmrp, &tmp); \ tmp |= (bits); \ tioce_mmr_store(kern, mmrp, &tmp); \ } while (0) /* clear bits (immediate value) into mmr */ #define tioce_mmr_clri(kern, mmrp, bits) do { \ u64 tmp; \ tioce_mmr_load(kern, mmrp, &tmp); \ tmp &= ~(bits); \ tioce_mmr_store(kern, mmrp, &tmp); \ } while (0) /** * Bus address ranges for the 5 flavors of TIOCE DMA Loading Loading @@ -62,9 +180,9 @@ #define TIOCE_ATE_M40 2 #define TIOCE_ATE_M40S 3 #define KB(x) ((x) << 10) #define MB(x) ((x) << 20) #define GB(x) ((x) << 30) #define KB(x) ((u64)(x) << 10) #define MB(x) ((u64)(x) << 20) #define GB(x) ((u64)(x) << 30) /** * tioce_dma_d64 - create a DMA mapping using 64-bit direct mode Loading Loading @@ -151,7 +269,7 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port, int last; int entries; int nates; int pagesize; u64 pagesize; u64 *ate_shadow; u64 *ate_reg; u64 addr; Loading Loading @@ -228,7 +346,7 @@ tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port, ate = ATE_MAKE(addr, pagesize); ate_shadow[i + j] = ate; writeq(ate, &ate_reg[i + j]); tioce_mmr_storei(ce_kern, &ate_reg[i + j], ate); addr += pagesize; } Loading Loading @@ -272,7 +390,8 @@ tioce_dma_d32(struct pci_dev *pdev, u64 ct_addr) u64 tmp; ce_kern->ce_port[port].dirmap_shadow = ct_upper; writeq(ct_upper, &ce_mmr->ce_ure_dir_map[port]); tioce_mmr_storei(ce_kern, &ce_mmr->ce_ure_dir_map[port], ct_upper); tmp = ce_mmr->ce_ure_dir_map[port]; dma_ok = 1; } else Loading Loading @@ -344,7 +463,8 @@ tioce_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir) if (TIOCE_D32_ADDR(bus_addr)) { if (--ce_kern->ce_port[port].dirmap_refcnt == 0) { ce_kern->ce_port[port].dirmap_shadow = 0; writeq(0, &ce_mmr->ce_ure_dir_map[port]); tioce_mmr_storei(ce_kern, &ce_mmr->ce_ure_dir_map[port], 0); } } else { struct tioce_dmamap *map; Loading @@ -365,7 +485,7 @@ tioce_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir) } else if (--map->refcnt == 0) { for (i = 0; i < map->ate_count; i++) { map->ate_shadow[i] = 0; map->ate_hw[i] = 0; tioce_mmr_storei(ce_kern, &map->ate_hw[i], 0); } list_del(&map->ce_dmamap_list); Loading Loading @@ -486,7 +606,7 @@ tioce_do_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count, spin_unlock_irqrestore(&ce_kern->ce_lock, flags); dma_map_done: if (mapaddr & barrier) if (mapaddr && barrier) mapaddr = tioce_dma_barrier(mapaddr, 1); return mapaddr; Loading Loading @@ -541,17 +661,61 @@ tioce_error_intr_handler(int irq, void *arg, struct pt_regs *pt) soft->ce_pcibus.bs_persist_segment, soft->ce_pcibus.bs_persist_busnum, 0, 0, 0, 0, 0); if (ret_stuff.v0) panic("tioce_error_intr_handler: Fatal TIOCE error"); return IRQ_HANDLED; } /** * tioce_reserve_m32 - reserve M32 ate's for the indicated address range * @tioce_kernel: TIOCE context to reserve ate's for * @base: starting bus address to reserve * @limit: last bus address to reserve * * If base/limit falls within the range of bus space mapped through the * M32 space, reserve the resources corresponding to the range. */ static void tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit) { int ate_index, last_ate, ps; struct tioce *ce_mmr; if (!TIOCE_M32_ADDR(base)) return; ce_mmr = (struct tioce *)ce_kern->ce_common->ce_pcibus.bs_base; ps = ce_kern->ce_ate3240_pagesize; ate_index = ATE_PAGE(base, ps); last_ate = ate_index + ATE_NPAGES(base, limit-base+1, ps) - 1; if (ate_index < 64) ate_index = 64; while (ate_index <= last_ate) { u64 ate; ate = ATE_MAKE(0xdeadbeef, ps); ce_kern->ce_ate3240_shadow[ate_index] = ate; tioce_mmr_storei(ce_kern, &ce_mmr->ce_ure_ate3240[ate_index], ate); ate_index++; } } /** * tioce_kern_init - init kernel structures related to a given TIOCE * @tioce_common: ptr to a cached tioce_common struct that originated in prom */ static struct tioce_kernel * */ static struct tioce_kernel * tioce_kern_init(struct tioce_common *tioce_common) { int i; int ps; int dev; u32 tmp; unsigned int seg, bus; struct tioce *tioce_mmr; struct tioce_kernel *tioce_kern; Loading @@ -572,9 +736,10 @@ tioce_kern_init(struct tioce_common *tioce_common) * here to use pci_read_config_xxx() so use the raw_pci_ops vector. */ raw_pci_ops->read(tioce_common->ce_pcibus.bs_persist_segment, tioce_common->ce_pcibus.bs_persist_busnum, PCI_DEVFN(2, 0), PCI_SECONDARY_BUS, 1, &tmp); seg = tioce_common->ce_pcibus.bs_persist_segment; bus = tioce_common->ce_pcibus.bs_persist_busnum; raw_pci_ops->read(seg, bus, PCI_DEVFN(2, 0), PCI_SECONDARY_BUS, 1,&tmp); tioce_kern->ce_port1_secondary = (u8) tmp; /* Loading @@ -583,18 +748,76 @@ tioce_kern_init(struct tioce_common *tioce_common) */ tioce_mmr = (struct tioce *)tioce_common->ce_pcibus.bs_base; __sn_clrq_relaxed(&tioce_mmr->ce_ure_page_map, CE_URE_PAGESIZE_MASK); __sn_setq_relaxed(&tioce_mmr->ce_ure_page_map, CE_URE_256K_PAGESIZE); tioce_kern->ce_ate3240_pagesize = KB(256); tioce_mmr_clri(tioce_kern, &tioce_mmr->ce_ure_page_map, CE_URE_PAGESIZE_MASK); tioce_mmr_seti(tioce_kern, &tioce_mmr->ce_ure_page_map, CE_URE_256K_PAGESIZE); ps = tioce_kern->ce_ate3240_pagesize = KB(256); for (i = 0; i < TIOCE_NUM_M40_ATES; i++) { tioce_kern->ce_ate40_shadow[i] = 0; writeq(0, &tioce_mmr->ce_ure_ate40[i]); tioce_mmr_storei(tioce_kern, &tioce_mmr->ce_ure_ate40[i], 0); } for (i = 0; i < TIOCE_NUM_M3240_ATES; i++) { tioce_kern->ce_ate3240_shadow[i] = 0; writeq(0, &tioce_mmr->ce_ure_ate3240[i]); tioce_mmr_storei(tioce_kern, &tioce_mmr->ce_ure_ate3240[i], 0); } /* * Reserve ATE's corresponding to reserved address ranges. These * include: * * Memory space covered by each PPB mem base/limit register * Memory space covered by each PPB prefetch base/limit register * * These bus ranges are for pio (downstream) traffic only, and so * cannot be used for DMA. */ for (dev = 1; dev <= 2; dev++) { u64 base, limit; /* mem base/limit */ raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_MEMORY_BASE, 2, &tmp); base = (u64)tmp << 16; raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_MEMORY_LIMIT, 2, &tmp); limit = (u64)tmp << 16; limit |= 0xfffffUL; if (base < limit) tioce_reserve_m32(tioce_kern, base, limit); /* * prefetch mem base/limit. The tioce ppb's have 64-bit * decoders, so read the upper portions w/o checking the * attributes. */ raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_PREF_MEMORY_BASE, 2, &tmp); base = ((u64)tmp & PCI_PREF_RANGE_MASK) << 16; raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_PREF_BASE_UPPER32, 4, &tmp); base |= (u64)tmp << 32; raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_PREF_MEMORY_LIMIT, 2, &tmp); limit = ((u64)tmp & PCI_PREF_RANGE_MASK) << 16; limit |= 0xfffffUL; raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0), PCI_PREF_LIMIT_UPPER32, 4, &tmp); limit |= (u64)tmp << 32; if ((base < limit) && TIOCE_M32_ADDR(base)) tioce_reserve_m32(tioce_kern, base, limit); } return tioce_kern; Loading @@ -614,6 +837,7 @@ tioce_force_interrupt(struct sn_irq_info *sn_irq_info) { struct pcidev_info *pcidev_info; struct tioce_common *ce_common; struct tioce_kernel *ce_kern; struct tioce *ce_mmr; u64 force_int_val; Loading @@ -629,6 +853,29 @@ tioce_force_interrupt(struct sn_irq_info *sn_irq_info) ce_common = (struct tioce_common *)pcidev_info->pdi_pcibus_info; ce_mmr = (struct tioce *)ce_common->ce_pcibus.bs_base; ce_kern = (struct tioce_kernel *)ce_common->ce_kernel_private; /* * TIOCE Rev A workaround (PV 945826), force an interrupt by writing * the TIO_INTx register directly (1/26/2006) */ if (ce_common->ce_rev == TIOCE_REV_A) { u64 int_bit_mask = (1ULL << sn_irq_info->irq_int_bit); u64 status; tioce_mmr_load(ce_kern, &ce_mmr->ce_adm_int_status, &status); if (status & int_bit_mask) { u64 force_irq = (1 << 8) | sn_irq_info->irq_irq; u64 ctalk = sn_irq_info->irq_xtalkaddr; u64 nasid, offset; nasid = (ctalk & CTALK_NASID_MASK) >> CTALK_NASID_SHFT; offset = (ctalk & CTALK_NODE_OFFSET); HUB_S(TIO_IOSPACE_ADDR(nasid, offset), force_irq); } return; } /* * irq_int_bit is originally set up by prom, and holds the interrupt Loading Loading @@ -666,7 +913,7 @@ tioce_force_interrupt(struct sn_irq_info *sn_irq_info) default: return; } writeq(force_int_val, &ce_mmr->ce_adm_force_int); tioce_mmr_storei(ce_kern, &ce_mmr->ce_adm_force_int, force_int_val); } /** Loading @@ -685,6 +932,7 @@ tioce_target_interrupt(struct sn_irq_info *sn_irq_info) { struct pcidev_info *pcidev_info; struct tioce_common *ce_common; struct tioce_kernel *ce_kern; struct tioce *ce_mmr; int bit; u64 vector; Loading @@ -695,14 +943,15 @@ tioce_target_interrupt(struct sn_irq_info *sn_irq_info) ce_common = (struct tioce_common *)pcidev_info->pdi_pcibus_info; ce_mmr = (struct tioce *)ce_common->ce_pcibus.bs_base; ce_kern = (struct tioce_kernel *)ce_common->ce_kernel_private; bit = sn_irq_info->irq_int_bit; __sn_setq_relaxed(&ce_mmr->ce_adm_int_mask, (1UL << bit)); tioce_mmr_seti(ce_kern, &ce_mmr->ce_adm_int_mask, (1UL << bit)); vector = (u64)sn_irq_info->irq_irq << INTR_VECTOR_SHFT; vector |= sn_irq_info->irq_xtalkaddr; writeq(vector, &ce_mmr->ce_adm_int_dest[bit]); __sn_clrq_relaxed(&ce_mmr->ce_adm_int_mask, (1UL << bit)); tioce_mmr_storei(ce_kern, &ce_mmr->ce_adm_int_dest[bit], vector); tioce_mmr_clri(ce_kern, &ce_mmr->ce_adm_int_mask, (1UL << bit)); tioce_force_interrupt(sn_irq_info); } Loading @@ -721,7 +970,11 @@ tioce_target_interrupt(struct sn_irq_info *sn_irq_info) static void * tioce_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *controller) { int my_nasid; cnodeid_t my_cnode, mem_cnode; struct tioce_common *tioce_common; struct tioce_kernel *tioce_kern; struct tioce *tioce_mmr; /* * Allocate kernel bus soft and copy from prom. Loading @@ -734,11 +987,23 @@ tioce_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont memcpy(tioce_common, prom_bussoft, sizeof(struct tioce_common)); tioce_common->ce_pcibus.bs_base |= __IA64_UNCACHED_OFFSET; if (tioce_kern_init(tioce_common) == NULL) { tioce_kern = tioce_kern_init(tioce_common); if (tioce_kern == NULL) { kfree(tioce_common); return NULL; } /* * Clear out any transient errors before registering the error * interrupt handler. */ tioce_mmr = (struct tioce *)tioce_common->ce_pcibus.bs_base; tioce_mmr_seti(tioce_kern, &tioce_mmr->ce_adm_int_status_alias, ~0ULL); tioce_mmr_seti(tioce_kern, &tioce_mmr->ce_adm_error_summary_alias, ~0ULL); tioce_mmr_seti(tioce_kern, &tioce_mmr->ce_dre_comp_err_addr, ~0ULL); if (request_irq(SGI_PCIASIC_ERROR, tioce_error_intr_handler, SA_SHIRQ, "TIOCE error", (void *)tioce_common)) Loading @@ -750,6 +1015,21 @@ tioce_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont tioce_common->ce_pcibus.bs_persist_segment, tioce_common->ce_pcibus.bs_persist_busnum); /* * identify closest nasid for memory allocations */ my_nasid = NASID_GET(tioce_common->ce_pcibus.bs_base); my_cnode = nasid_to_cnodeid(my_nasid); if (sn_hwperf_get_nearest_node(my_cnode, &mem_cnode, NULL) < 0) { printk(KERN_WARNING "tioce_bus_fixup: failed to find " "closest node with MEM to TIO node %d\n", my_cnode); mem_cnode = (cnodeid_t)-1; /* use any node */ } controller->node = mem_cnode; return tioce_common; } Loading
include/asm-ia64/sn/addrs.h +8 −0 Original line number Diff line number Diff line Loading @@ -283,5 +283,13 @@ #define REMOTE_HUB_L(n, a) HUB_L(REMOTE_HUB_ADDR((n), (a))) #define REMOTE_HUB_S(n, a, d) HUB_S(REMOTE_HUB_ADDR((n), (a)), (d)) /* * Coretalk address breakdown */ #define CTALK_NASID_SHFT 40 #define CTALK_NASID_MASK (0x3FFFULL << CTALK_NASID_SHFT) #define CTALK_CID_SHFT 38 #define CTALK_CID_MASK (0x3ULL << CTALK_CID_SHFT) #define CTALK_NODE_OFFSET 0x3FFFFFFFFF #endif /* _ASM_IA64_SN_ADDRS_H */
include/asm-ia64/sn/tioce.h +34 −2 Original line number Diff line number Diff line Loading @@ -11,7 +11,7 @@ /* CE ASIC part & mfgr information */ #define TIOCE_PART_NUM 0xCE00 #define TIOCE_MFGR_NUM 0x36 #define TIOCE_SRC_ID 0x01 #define TIOCE_REV_A 0x1 /* CE Virtual PPB Vendor/Device IDs */ Loading @@ -20,7 +20,7 @@ /* CE Host Bridge Vendor/Device IDs */ #define CE_HOST_BRIDGE_VENDOR_ID 0x10a9 #define CE_HOST_BRIDGE_DEVICE_ID 0x4003 #define CE_HOST_BRIDGE_DEVICE_ID 0x4001 #define TIOCE_NUM_M40_ATES 4096 Loading Loading @@ -463,6 +463,25 @@ typedef volatile struct tioce { u64 ce_end_of_struct; /* 0x044400 */ } tioce_t; /* ce_lsiX_gb_cfg1 register bit masks & shifts */ #define CE_LSI_GB_CFG1_RXL0S_THS_SHFT 0 #define CE_LSI_GB_CFG1_RXL0S_THS_MASK (0xffULL << 0) #define CE_LSI_GB_CFG1_RXL0S_SMP_SHFT 8 #define CE_LSI_GB_CFG1_RXL0S_SMP_MASK (0xfULL << 8); #define CE_LSI_GB_CFG1_RXL0S_ADJ_SHFT 12 #define CE_LSI_GB_CFG1_RXL0S_ADJ_MASK (0x7ULL << 12) #define CE_LSI_GB_CFG1_RXL0S_FLT_SHFT 15 #define CE_LSI_GB_CFG1_RXL0S_FLT_MASK (0x1ULL << 15) #define CE_LSI_GB_CFG1_LPBK_SEL_SHFT 16 #define CE_LSI_GB_CFG1_LPBK_SEL_MASK (0x3ULL << 16) #define CE_LSI_GB_CFG1_LPBK_EN_SHFT 18 #define CE_LSI_GB_CFG1_LPBK_EN_MASK (0x1ULL << 18) #define CE_LSI_GB_CFG1_RVRS_LB_SHFT 19 #define CE_LSI_GB_CFG1_RVRS_LB_MASK (0x1ULL << 19) #define CE_LSI_GB_CFG1_RVRS_CLK_SHFT 20 #define CE_LSI_GB_CFG1_RVRS_CLK_MASK (0x3ULL << 20) #define CE_LSI_GB_CFG1_SLF_TS_SHFT 24 #define CE_LSI_GB_CFG1_SLF_TS_MASK (0xfULL << 24) /* ce_adm_int_mask/ce_adm_int_status register bit defines */ #define CE_ADM_INT_CE_ERROR_SHFT 0 Loading Loading @@ -592,6 +611,11 @@ typedef volatile struct tioce { #define CE_URE_RD_MRG_ENABLE (0x1ULL << 0) #define CE_URE_WRT_MRG_ENABLE1 (0x1ULL << 4) #define CE_URE_WRT_MRG_ENABLE2 (0x1ULL << 5) #define CE_URE_WRT_MRG_TIMER_SHFT 12 #define CE_URE_WRT_MRG_TIMER_MASK (0x7FFULL << CE_URE_WRT_MRG_TIMER_SHFT) #define CE_URE_WRT_MRG_TIMER(x) (((u64)(x) << \ CE_URE_WRT_MRG_TIMER_SHFT) & \ CE_URE_WRT_MRG_TIMER_MASK) #define CE_URE_RSPQ_BYPASS_DISABLE (0x1ULL << 24) #define CE_URE_UPS_DAT1_PAR_DISABLE (0x1ULL << 32) #define CE_URE_UPS_HDR1_PAR_DISABLE (0x1ULL << 33) Loading Loading @@ -653,8 +677,12 @@ typedef volatile struct tioce { #define CE_URE_SI (0x1ULL << 0) #define CE_URE_ELAL_SHFT 4 #define CE_URE_ELAL_MASK (0x7ULL << CE_URE_ELAL_SHFT) #define CE_URE_ELAL_SET(n) (((u64)(n) << CE_URE_ELAL_SHFT) & \ CE_URE_ELAL_MASK) #define CE_URE_ELAL1_SHFT 8 #define CE_URE_ELAL1_MASK (0x7ULL << CE_URE_ELAL1_SHFT) #define CE_URE_ELAL1_SET(n) (((u64)(n) << CE_URE_ELAL1_SHFT) & \ CE_URE_ELAL1_MASK) #define CE_URE_SCC (0x1ULL << 12) #define CE_URE_PN1_SHFT 16 #define CE_URE_PN1_MASK (0xFFULL << CE_URE_PN1_SHFT) Loading @@ -675,8 +703,12 @@ typedef volatile struct tioce { #define CE_URE_HPC (0x1ULL << 6) #define CE_URE_SPLV_SHFT 7 #define CE_URE_SPLV_MASK (0xFFULL << CE_URE_SPLV_SHFT) #define CE_URE_SPLV_SET(n) (((u64)(n) << CE_URE_SPLV_SHFT) & \ CE_URE_SPLV_MASK) #define CE_URE_SPLS_SHFT 15 #define CE_URE_SPLS_MASK (0x3ULL << CE_URE_SPLS_SHFT) #define CE_URE_SPLS_SET(n) (((u64)(n) << CE_URE_SPLS_SHFT) & \ CE_URE_SPLS_MASK) #define CE_URE_PSN1_SHFT 19 #define CE_URE_PSN1_MASK (0x1FFFULL << CE_URE_PSN1_SHFT) #define CE_URE_PSN2_SHFT 32 Loading