Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c
index e501c43..79a52c4 100644
--- a/arch/mips/sgi-ip27/ip27-init.c
+++ b/arch/mips/sgi-ip27/ip27-init.c
@@ -52,13 +52,10 @@
extern void pcibr_setup(cnodeid_t);
-extern void xtalk_probe_node(cnodeid_t nid);
-
static void per_hub_init(cnodeid_t cnode)
{
struct hub_data *hub = hub_data(cnode);
nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode);
- int i;
cpumask_set_cpu(smp_processor_id(), &hub->h_cpus);
@@ -71,42 +68,14 @@
REMOTE_HUB_S(nasid, IIO_ICTO, 0xff);
hub_rtc_init(cnode);
- xtalk_probe_node(cnode);
-#ifdef CONFIG_REPLICATE_EXHANDLERS
- /*
- * If this is not a headless node initialization,
- * copy over the caliased exception handlers.
- */
- if (get_compact_nodeid() == cnode) {
- extern char except_vec2_generic, except_vec3_generic;
- extern void build_tlb_refill_handler(void);
-
- memcpy((void *)(CKSEG0 + 0x100), &except_vec2_generic, 0x80);
- memcpy((void *)(CKSEG0 + 0x180), &except_vec3_generic, 0x80);
- build_tlb_refill_handler();
- memcpy((void *)(CKSEG0 + 0x100), (void *) CKSEG0, 0x80);
- memcpy((void *)(CKSEG0 + 0x180), &except_vec3_generic, 0x100);
+ if (nasid) {
+ /* copy exception handlers from first node to current node */
+ memcpy((void *)NODE_OFFSET_TO_K0(nasid, 0),
+ (void *)CKSEG0, 0x200);
__flush_cache_all();
- }
-#endif
-
- /*
- * Some interrupts are reserved by hardware or by software convention.
- * Mark these as reserved right away so they won't be used accidentally
- * later.
- */
- for (i = 0; i <= BASE_PCI_IRQ; i++) {
- __set_bit(i, hub->irq_alloc_mask);
- LOCAL_HUB_CLR_INTR(INT_PEND0_BASELVL + i);
- }
-
- __set_bit(IP_PEND0_6_63, hub->irq_alloc_mask);
- LOCAL_HUB_S(PI_INT_PEND_MOD, IP_PEND0_6_63);
-
- for (i = NI_BRDCAST_ERR_A; i <= MSC_PANIC_INTR; i++) {
- __set_bit(i, hub->irq_alloc_mask);
- LOCAL_HUB_CLR_INTR(INT_PEND1_BASELVL + i);
+ /* switch to node local exception handlers */
+ REMOTE_HUB_S(nasid, PI_CALIAS_SIZE, PI_CALIAS_SIZE_8K);
}
}
@@ -116,8 +85,6 @@
int slice = LOCAL_HUB_L(PI_CPU_NUM);
cnodeid_t cnode = get_compact_nodeid();
struct hub_data *hub = hub_data(cnode);
- struct slice_data *si = hub->slice + slice;
- int i;
if (test_and_set_bit(slice, &hub->slice_map))
return;
@@ -126,22 +93,14 @@
per_hub_init(cnode);
- for (i = 0; i < LEVELS_PER_SLICE; i++)
- si->level_to_irq[i] = -1;
-
- /*
- * We use this so we can find the local hub's data as fast as only
- * possible.
- */
- cpu_data[cpu].data = si;
-
cpu_time_init();
install_ipi();
/* Install our NMI handler if symmon hasn't installed one. */
install_cpu_nmi_handler(cputoslice(cpu));
- set_c0_status(SRB_DEV0 | SRB_DEV1);
+ enable_percpu_irq(IP27_HUB_PEND0_IRQ, IRQ_TYPE_NONE);
+ enable_percpu_irq(IP27_HUB_PEND1_IRQ, IRQ_TYPE_NONE);
}
/*
@@ -162,22 +121,11 @@
return NASID_TO_COMPACT_NODEID(get_nasid());
}
-static inline void ioc3_eth_init(void)
-{
- struct ioc3 *ioc3;
- nasid_t nid;
-
- nid = get_nasid();
- ioc3 = (struct ioc3 *) KL_CONFIG_CH_CONS_INFO(nid)->memory_base;
-
- ioc3->eier = 0;
-}
-
extern void ip27_reboot_setup(void);
void __init plat_mem_setup(void)
{
- hubreg_t p, e, n_mode;
+ u64 p, e, n_mode;
nasid_t nid;
ip27_reboot_setup();
@@ -214,8 +162,7 @@
panic("Kernel compiled for N mode.");
#endif
- ioc3_eth_init();
- per_cpu_init();
-
+ ioport_resource.start = 0;
+ ioport_resource.end = ~0UL;
set_io_port_base(IO_BASE);
}