Merge tag 'please-pull-ia64_for_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 updates from Tony Luck:
 "The big change here is removal of support for SGI Altix"

* tag 'please-pull-ia64_for_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: (33 commits)
  genirq: remove the is_affinity_mask_valid hook
  ia64: remove CONFIG_SWIOTLB ifdefs
  ia64: remove support for machvecs
  ia64: move the screen_info setup to common code
  ia64: move the ROOT_DEV setup to common code
  ia64: rework iommu probing
  ia64: remove the unused sn_coherency_id symbol
  ia64: remove the SGI UV simulator support
  ia64: remove the zx1 swiotlb machvec
  ia64: remove CONFIG_ACPI ifdefs
  ia64: remove CONFIG_PCI ifdefs
  ia64: remove the hpsim platform
  ia64: remove now unused machvec indirections
  ia64: remove support for the SGI SN2 platform
  drivers: remove the SGI SN2 IOC4 base support
  drivers: remove the SGI SN2 IOC3 base support
  qla2xxx: remove SGI SN2 support
  qla1280: remove SGI SN2 support
  misc/sgi-xp: remove SGI SN2 support
  char/mspec: remove SGI SN2 support
  ...

60 files changed, 71 insertions, 10962 deletions

diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index 0ea569040c5b..f886d4dc9d55 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -17,7 +17,7 @@
 #include <linux/numa.h>
 #include <asm/numa.h>
 
-#ifdef	CONFIG_ACPI
+
 extern int acpi_lapic;
 #define acpi_disabled 0	/* ACPI always enabled on IA64 */
 #define acpi_noirq 0	/* ACPI always enabled on IA64 */
@@ -28,34 +28,10 @@ static inline bool acpi_has_cpu_in_madt(void)
 {
 	return !!acpi_lapic;
 }
-#endif
+
 #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
 static inline void disable_acpi(void) { }
 
-#ifdef CONFIG_IA64_GENERIC
-const char *acpi_get_sysname (void);
-#else
-static inline const char *acpi_get_sysname (void)
-{
-# if defined (CONFIG_IA64_HP_SIM)
-	return "hpsim";
-# elif defined (CONFIG_IA64_HP_ZX1)
-	return "hpzx1";
-# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
-	return "hpzx1_swiotlb";
-# elif defined (CONFIG_IA64_SGI_SN2)
-	return "sn2";
-# elif defined (CONFIG_IA64_SGI_UV)
-	return "uv";
-# elif defined (CONFIG_IA64_DIG)
-	return "dig";
-# elif defined(CONFIG_IA64_DIG_VTD)
-	return "dig_vtd";
-# else
-#	error Unknown platform.  Fix acpi.c.
-# endif
-}
-#endif
 int acpi_request_vector (u32 int_type);
 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index f7ec71e4001e..a5d9d788eede 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -6,17 +6,11 @@
  * Copyright (C) 2003-2004 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
-#include <asm/machvec.h>
-#include <linux/scatterlist.h>
-#include <linux/dma-debug.h>
-
 extern const struct dma_map_ops *dma_ops;
-extern struct ia64_machine_vector ia64_mv;
-extern void set_iommu_machvec(void);
 
 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
 {
-	return platform_dma_get_ops(NULL);
+	return dma_ops;
 }
 
 #endif /* _ASM_IA64_DMA_MAPPING_H */
diff --git a/arch/ia64/include/asm/dma.h b/arch/ia64/include/asm/dma.h
index 23604d6a2cb2..59625e9c1f9c 100644
--- a/arch/ia64/include/asm/dma.h
+++ b/arch/ia64/include/asm/dma.h
@@ -12,11 +12,7 @@
 
 extern unsigned long MAX_DMA_ADDRESS;
 
-#ifdef CONFIG_PCI
-  extern int isa_dma_bridge_buggy;
-#else
-# define isa_dma_bridge_buggy 	(0)
-#endif
+extern int isa_dma_bridge_buggy;
 
 #define free_dma(x)
 
diff --git a/arch/ia64/include/asm/hpsim.h b/arch/ia64/include/asm/hpsim.h
deleted file mode 100644
index 00fbd5cc8ab8..000000000000
--- a/arch/ia64/include/asm/hpsim.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASMIA64_HPSIM_H
-#define _ASMIA64_HPSIM_H
-
-#ifndef CONFIG_HP_SIMSERIAL_CONSOLE
-static inline int simcons_register(void) { return 1; }
-#else
-int simcons_register(void);
-#endif
-
-struct tty_driver;
-extern struct tty_driver *hp_simserial_driver;
-
-extern int hpsim_get_irq(int intr);
-void ia64_ctl_trace(long on);
-
-#endif
diff --git a/arch/ia64/include/asm/hw_irq.h b/arch/ia64/include/asm/hw_irq.h
index 5dd3c6485c3a..e6385c7bdeb0 100644
--- a/arch/ia64/include/asm/hw_irq.h
+++ b/arch/ia64/include/asm/hw_irq.h
@@ -12,7 +12,6 @@
 #include <linux/types.h>
 #include <linux/profile.h>
 
-#include <asm/machvec.h>
 #include <asm/ptrace.h>
 #include <asm/smp.h>
 
@@ -56,7 +55,7 @@ typedef u8 ia64_vector;
 extern int ia64_first_device_vector;
 extern int ia64_last_device_vector;
 
-#if defined(CONFIG_SMP) && (defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_DIG))
+#ifdef CONFIG_SMP
 /* Reserve the lower priority vector than device vectors for "move IRQ" IPI */
 #define IA64_IRQ_MOVE_VECTOR		0x30	/* "move IRQ" IPI */
 #define IA64_DEF_FIRST_DEVICE_VECTOR	0x31
@@ -127,7 +126,7 @@ extern void ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect)
 extern void ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action);
 extern void destroy_and_reserve_irq (unsigned int irq);
 
-#if defined(CONFIG_SMP) && (defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG))
+#ifdef CONFIG_SMP
 extern int irq_prepare_move(int irq, int cpu);
 extern void irq_complete_move(unsigned int irq);
 #else
@@ -137,26 +136,10 @@ static inline void irq_complete_move(unsigned int irq) {}
 
 static inline void ia64_native_resend_irq(unsigned int vector)
 {
-	platform_send_ipi(smp_processor_id(), vector, IA64_IPI_DM_INT, 0);
+	ia64_send_ipi(smp_processor_id(), vector, IA64_IPI_DM_INT, 0);
 }
 
 /*
- * Default implementations for the irq-descriptor API:
- */
-#ifndef CONFIG_IA64_GENERIC
-static inline ia64_vector __ia64_irq_to_vector(int irq)
-{
-	return irq_cfg[irq].vector;
-}
-
-static inline unsigned int
-__ia64_local_vector_to_irq (ia64_vector vec)
-{
-	return __this_cpu_read(vector_irq[vec]);
-}
-#endif
-
-/*
  * Next follows the irq descriptor interface.  On IA-64, each CPU supports 256 interrupt
  * vectors.  On smaller systems, there is a one-to-one correspondence between interrupt
  * vectors and the Linux irq numbers.  However, larger systems may have multiple interrupt
@@ -170,7 +153,7 @@ __ia64_local_vector_to_irq (ia64_vector vec)
 static inline ia64_vector
 irq_to_vector (int irq)
 {
-	return platform_irq_to_vector(irq);
+	return irq_cfg[irq].vector;
 }
 
 /*
@@ -181,7 +164,7 @@ irq_to_vector (int irq)
 static inline unsigned int
 local_vector_to_irq (ia64_vector vec)
 {
-	return platform_local_vector_to_irq(vec);
+	return __this_cpu_read(vector_irq[vec]);
 }
 
 #endif /* _ASM_IA64_HW_IRQ_H */
diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h
index a511d62d447a..54e70c21352a 100644
--- a/arch/ia64/include/asm/io.h
+++ b/arch/ia64/include/asm/io.h
@@ -71,7 +71,6 @@ extern unsigned int num_io_spaces;
 #define HAVE_ARCH_PIO_SIZE
 
 #include <asm/intrinsics.h>
-#include <asm/machvec.h>
 #include <asm/page.h>
 #include <asm-generic/iomap.h>
 
@@ -129,25 +128,6 @@ __ia64_mk_io_addr (unsigned long port)
 	return (void *) (space->mmio_base | offset);
 }
 
-#define __ia64_inb	___ia64_inb
-#define __ia64_inw	___ia64_inw
-#define __ia64_inl	___ia64_inl
-#define __ia64_outb	___ia64_outb
-#define __ia64_outw	___ia64_outw
-#define __ia64_outl	___ia64_outl
-#define __ia64_readb	___ia64_readb
-#define __ia64_readw	___ia64_readw
-#define __ia64_readl	___ia64_readl
-#define __ia64_readq	___ia64_readq
-#define __ia64_readb_relaxed	___ia64_readb
-#define __ia64_readw_relaxed	___ia64_readw
-#define __ia64_readl_relaxed	___ia64_readl
-#define __ia64_readq_relaxed	___ia64_readq
-#define __ia64_writeb	___ia64_writeb
-#define __ia64_writew	___ia64_writew
-#define __ia64_writel	___ia64_writel
-#define __ia64_writeq	___ia64_writeq
-
 /*
  * For the in/out routines, we need to do "mf.a" _after_ doing the I/O access to ensure
  * that the access has completed before executing other I/O accesses.  Since we're doing
@@ -156,8 +136,8 @@ __ia64_mk_io_addr (unsigned long port)
  * during optimization, which is why we use "volatile" pointers.
  */
 
-static inline unsigned int
-___ia64_inb (unsigned long port)
+#define inb inb
+static inline unsigned int inb(unsigned long port)
 {
 	volatile unsigned char *addr = __ia64_mk_io_addr(port);
 	unsigned char ret;
@@ -167,8 +147,8 @@ ___ia64_inb (unsigned long port)
 	return ret;
 }
 
-static inline unsigned int
-___ia64_inw (unsigned long port)
+#define inw inw
+static inline unsigned int inw(unsigned long port)
 {
 	volatile unsigned short *addr = __ia64_mk_io_addr(port);
 	unsigned short ret;
@@ -178,8 +158,8 @@ ___ia64_inw (unsigned long port)
 	return ret;
 }
 
-static inline unsigned int
-___ia64_inl (unsigned long port)
+#define inl inl
+static inline unsigned int inl(unsigned long port)
 {
 	volatile unsigned int *addr = __ia64_mk_io_addr(port);
 	unsigned int ret;
@@ -189,8 +169,8 @@ ___ia64_inl (unsigned long port)
 	return ret;
 }
 
-static inline void
-___ia64_outb (unsigned char val, unsigned long port)
+#define outb outb
+static inline void outb(unsigned char val, unsigned long port)
 {
 	volatile unsigned char *addr = __ia64_mk_io_addr(port);
 
@@ -198,8 +178,8 @@ ___ia64_outb (unsigned char val, unsigned long port)
 	__ia64_mf_a();
 }
 
-static inline void
-___ia64_outw (unsigned short val, unsigned long port)
+#define outw outw
+static inline void outw(unsigned short val, unsigned long port)
 {
 	volatile unsigned short *addr = __ia64_mk_io_addr(port);
 
@@ -207,8 +187,8 @@ ___ia64_outw (unsigned short val, unsigned long port)
 	__ia64_mf_a();
 }
 
-static inline void
-___ia64_outl (unsigned int val, unsigned long port)
+#define outl outl
+static inline void outl(unsigned int val, unsigned long port)
 {
 	volatile unsigned int *addr = __ia64_mk_io_addr(port);
 
@@ -216,199 +196,63 @@ ___ia64_outl (unsigned int val, unsigned long port)
 	__ia64_mf_a();
 }
 
-static inline void
-__insb (unsigned long port, void *dst, unsigned long count)
+#define insb insb
+static inline void insb(unsigned long port, void *dst, unsigned long count)
 {
 	unsigned char *dp = dst;
 
 	while (count--)
-		*dp++ = platform_inb(port);
+		*dp++ = inb(port);
 }
 
-static inline void
-__insw (unsigned long port, void *dst, unsigned long count)
+#define insw insw
+static inline void insw(unsigned long port, void *dst, unsigned long count)
 {
 	unsigned short *dp = dst;
 
 	while (count--)
-		put_unaligned(platform_inw(port), dp++);
+		put_unaligned(inw(port), dp++);
 }
 
-static inline void
-__insl (unsigned long port, void *dst, unsigned long count)
+#define insl insl
+static inline void insl(unsigned long port, void *dst, unsigned long count)
 {
 	unsigned int *dp = dst;
 
 	while (count--)
-		put_unaligned(platform_inl(port), dp++);
+		put_unaligned(inl(port), dp++);
 }
 
-static inline void
-__outsb (unsigned long port, const void *src, unsigned long count)
+#define outsb outsb
+static inline void outsb(unsigned long port, const void *src,
+		unsigned long count)
 {
 	const unsigned char *sp = src;
 
 	while (count--)
-		platform_outb(*sp++, port);
+		outb(*sp++, port);
 }
 
-static inline void
-__outsw (unsigned long port, const void *src, unsigned long count)
+#define outsw outsw
+static inline void outsw(unsigned long port, const void *src,
+		unsigned long count)
 {
 	const unsigned short *sp = src;
 
 	while (count--)
-		platform_outw(get_unaligned(sp++), port);
+		outw(get_unaligned(sp++), port);
 }
 
-static inline void
-__outsl (unsigned long port, const void *src, unsigned long count)
+#define outsl outsl
+static inline void outsl(unsigned long port, const void *src,
+		unsigned long count)
 {
 	const unsigned int *sp = src;
 
 	while (count--)
-		platform_outl(get_unaligned(sp++), port);
+		outl(get_unaligned(sp++), port);
 }
 
-/*
- * Unfortunately, some platforms are broken and do not follow the IA-64 architecture
- * specification regarding legacy I/O support.  Thus, we have to make these operations
- * platform dependent...
- */
-#define __inb		platform_inb
-#define __inw		platform_inw
-#define __inl		platform_inl
-#define __outb		platform_outb
-#define __outw		platform_outw
-#define __outl		platform_outl
-
-#define inb(p)		__inb(p)
-#define inw(p)		__inw(p)
-#define inl(p)		__inl(p)
-#define insb(p,d,c)	__insb(p,d,c)
-#define insw(p,d,c)	__insw(p,d,c)
-#define insl(p,d,c)	__insl(p,d,c)
-#define outb(v,p)	__outb(v,p)
-#define outw(v,p)	__outw(v,p)
-#define outl(v,p)	__outl(v,p)
-#define outsb(p,s,c)	__outsb(p,s,c)
-#define outsw(p,s,c)	__outsw(p,s,c)
-#define outsl(p,s,c)	__outsl(p,s,c)
-
-/*
- * The address passed to these functions are ioremap()ped already.
- *
- * We need these to be machine vectors since some platforms don't provide
- * DMA coherence via PIO reads (PCI drivers and the spec imply that this is
- * a good idea).  Writes are ok though for all existing ia64 platforms (and
- * hopefully it'll stay that way).
- */
-static inline unsigned char
-___ia64_readb (const volatile void __iomem *addr)
-{
-	return *(volatile unsigned char __force *)addr;
-}
-
-static inline unsigned short
-___ia64_readw (const volatile void __iomem *addr)
-{
-	return *(volatile unsigned short __force *)addr;
-}
-
-static inline unsigned int
-___ia64_readl (const volatile void __iomem *addr)
-{
-	return *(volatile unsigned int __force *) addr;
-}
-
-static inline unsigned long
-___ia64_readq (const volatile void __iomem *addr)
-{
-	return *(volatile unsigned long __force *) addr;
-}
-
-static inline void
-__writeb (unsigned char val, volatile void __iomem *addr)
-{
-	*(volatile unsigned char __force *) addr = val;
-}
-
-static inline void
-__writew (unsigned short val, volatile void __iomem *addr)
-{
-	*(volatile unsigned short __force *) addr = val;
-}
-
-static inline void
-__writel (unsigned int val, volatile void __iomem *addr)
-{
-	*(volatile unsigned int __force *) addr = val;
-}
-
-static inline void
-__writeq (unsigned long val, volatile void __iomem *addr)
-{
-	*(volatile unsigned long __force *) addr = val;
-}
-
-#define __readb		platform_readb
-#define __readw		platform_readw
-#define __readl		platform_readl
-#define __readq		platform_readq
-#define __readb_relaxed	platform_readb_relaxed
-#define __readw_relaxed	platform_readw_relaxed
-#define __readl_relaxed	platform_readl_relaxed
-#define __readq_relaxed	platform_readq_relaxed
-
-#define readb(a)	__readb((a))
-#define readw(a)	__readw((a))
-#define readl(a)	__readl((a))
-#define readq(a)	__readq((a))
-#define readb_relaxed(a)	__readb_relaxed((a))
-#define readw_relaxed(a)	__readw_relaxed((a))
-#define readl_relaxed(a)	__readl_relaxed((a))
-#define readq_relaxed(a)	__readq_relaxed((a))
-#define __raw_readb	readb
-#define __raw_readw	readw
-#define __raw_readl	readl
-#define __raw_readq	readq
-#define __raw_readb_relaxed	readb_relaxed
-#define __raw_readw_relaxed	readw_relaxed
-#define __raw_readl_relaxed	readl_relaxed
-#define __raw_readq_relaxed	readq_relaxed
-#define writeb(v,a)	__writeb((v), (a))
-#define writew(v,a)	__writew((v), (a))
-#define writel(v,a)	__writel((v), (a))
-#define writeq(v,a)	__writeq((v), (a))
-#define writeb_relaxed(v,a)	__writeb((v), (a))
-#define writew_relaxed(v,a)	__writew((v), (a))
-#define writel_relaxed(v,a)	__writel((v), (a))
-#define writeq_relaxed(v,a)	__writeq((v), (a))
-#define __raw_writeb	writeb
-#define __raw_writew	writew
-#define __raw_writel	writel
-#define __raw_writeq	writeq
-
-#ifndef inb_p
-# define inb_p		inb
-#endif
-#ifndef inw_p
-# define inw_p		inw
-#endif
-#ifndef inl_p
-# define inl_p		inl
-#endif
-
-#ifndef outb_p
-# define outb_p		outb
-#endif
-#ifndef outw_p
-# define outw_p		outw
-#endif
-#ifndef outl_p
-# define outl_p		outl
-#endif
-
 # ifdef __KERNEL__
 
 extern void __iomem * ioremap(unsigned long offset, unsigned long size);
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h
index 92aceef63710..7904f591a79b 100644
--- a/arch/ia64/include/asm/iommu.h
+++ b/arch/ia64/include/asm/iommu.h
@@ -13,6 +13,5 @@ extern int iommu_detected;
 #define no_iommu		(1)
 #define iommu_detected		(0)
 #endif
-extern void machvec_init(const char *name);
 
 #endif
diff --git a/arch/ia64/include/asm/iosapic.h b/arch/ia64/include/asm/iosapic.h
index f48556cb8afc..a91aeb413e17 100644
--- a/arch/ia64/include/asm/iosapic.h
+++ b/arch/ia64/include/asm/iosapic.h
@@ -52,8 +52,6 @@
 
 #ifndef __ASSEMBLY__
 
-#ifdef CONFIG_IOSAPIC
-
 #define NR_IOSAPICS			256
 
 #define iosapic_pcat_compat_init	ia64_native_iosapic_pcat_compat_init
@@ -103,16 +101,6 @@ extern int __init iosapic_register_platform_intr (u32 int_type,
 #ifdef CONFIG_NUMA
 extern void map_iosapic_to_node (unsigned int, int);
 #endif
-#else
-#define iosapic_system_init(pcat_compat)			do { } while (0)
-#define iosapic_init(address,gsi_base)				(-EINVAL)
-#define iosapic_remove(gsi_base)				(-ENODEV)
-#define iosapic_register_intr(gsi,polarity,trigger)		(gsi)
-#define iosapic_unregister_intr(irq)				do { } while (0)
-#define iosapic_override_isa_irq(isa_irq,gsi,polarity,trigger)	do { } while (0)
-#define iosapic_register_platform_intr(type,gsi,pmi,eid,id, \
-	polarity,trigger)					(gsi)
-#endif
 
 # endif /* !__ASSEMBLY__ */
 #endif /* __ASM_IA64_IOSAPIC_H */
diff --git a/arch/ia64/include/asm/irq.h b/arch/ia64/include/asm/irq.h
index 8b84a55ed38a..5acf52e90872 100644
--- a/arch/ia64/include/asm/irq.h
+++ b/arch/ia64/include/asm/irq.h
@@ -28,9 +28,6 @@ irq_canonicalize (int irq)
 }
 
 extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
-bool is_affinity_mask_valid(const struct cpumask *cpumask);
-
-#define is_affinity_mask_valid is_affinity_mask_valid
 
 int create_irq(void);
 void destroy_irq(unsigned int irq);
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
deleted file mode 100644
index beae261fbcb4..000000000000
--- a/arch/ia64/include/asm/machvec.h
+++ /dev/null
@@ -1,347 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Machine vector for IA-64.
- *
- * Copyright (C) 1999 Silicon Graphics, Inc.
- * Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com>
- * Copyright (C) Vijay Chander <vijay@engr.sgi.com>
- * Copyright (C) 1999-2001, 2003-2004 Hewlett-Packard Co.
- *	David Mosberger-Tang <davidm@hpl.hp.com>
- */
-#ifndef _ASM_IA64_MACHVEC_H
-#define _ASM_IA64_MACHVEC_H
-
-#include <linux/types.h>
-
-/* forward declarations: */
-struct device;
-struct pt_regs;
-struct scatterlist;
-struct page;
-struct mm_struct;
-struct pci_bus;
-struct task_struct;
-struct pci_dev;
-struct msi_desc;
-
-typedef void ia64_mv_setup_t (char **);
-typedef void ia64_mv_cpu_init_t (void);
-typedef void ia64_mv_irq_init_t (void);
-typedef void ia64_mv_send_ipi_t (int, int, int, int);
-typedef void ia64_mv_timer_int