diff options
Diffstat (limited to 'arch/alpha/kernel')
37 files changed, 102 insertions, 2776 deletions
diff --git a/arch/alpha/kernel/Makefile b/arch/alpha/kernel/Makefile index fb4efec7cbc7..b6c862dff1f6 100644 --- a/arch/alpha/kernel/Makefile +++ b/arch/alpha/kernel/Makefile @@ -22,14 +22,14 @@ obj-$(CONFIG_AUDIT) += audit.o ifdef CONFIG_ALPHA_GENERIC -obj-y += core_apecs.o core_cia.o core_irongate.o core_lca.o \ +obj-y += core_cia.o core_irongate.o \ core_mcpcia.o core_polaris.o core_t2.o \ core_tsunami.o -obj-y += sys_alcor.o sys_cabriolet.o sys_dp264.o sys_eb64p.o sys_eiger.o \ - sys_jensen.o sys_miata.o sys_mikasa.o sys_nautilus.o \ +obj-y += sys_alcor.o sys_cabriolet.o sys_dp264.o sys_eiger.o \ + sys_miata.o sys_mikasa.o sys_nautilus.o \ sys_noritake.o sys_rawhide.o sys_ruffian.o sys_rx164.o \ - sys_sable.o sys_sio.o sys_sx164.o sys_takara.o + sys_sable.o sys_sx164.o sys_takara.o ifndef CONFIG_ALPHA_LEGACY_START_ADDRESS obj-y += core_marvel.o core_titan.o core_wildfire.o @@ -48,10 +48,8 @@ else obj-$(CONFIG_ALPHA_SRM) += srmcons.o # Core logic support -obj-$(CONFIG_ALPHA_APECS) += core_apecs.o obj-$(CONFIG_ALPHA_CIA) += core_cia.o obj-$(CONFIG_ALPHA_IRONGATE) += core_irongate.o -obj-$(CONFIG_ALPHA_LCA) += core_lca.o obj-$(CONFIG_ALPHA_MARVEL) += core_marvel.o gct.o obj-$(CONFIG_ALPHA_MCPCIA) += core_mcpcia.o obj-$(CONFIG_ALPHA_POLARIS) += core_polaris.o @@ -62,12 +60,6 @@ obj-$(CONFIG_ALPHA_WILDFIRE) += core_wildfire.o # Board support obj-$(CONFIG_ALPHA_ALCOR) += sys_alcor.o irq_i8259.o irq_srm.o -obj-$(CONFIG_ALPHA_CABRIOLET) += sys_cabriolet.o irq_i8259.o irq_srm.o \ - pc873xx.o -obj-$(CONFIG_ALPHA_EB164) += sys_cabriolet.o irq_i8259.o irq_srm.o \ - pc873xx.o -obj-$(CONFIG_ALPHA_EB66P) += sys_cabriolet.o irq_i8259.o irq_srm.o \ - pc873xx.o obj-$(CONFIG_ALPHA_LX164) += sys_cabriolet.o irq_i8259.o irq_srm.o \ smc37c93x.o obj-$(CONFIG_ALPHA_PC164) += sys_cabriolet.o irq_i8259.o irq_srm.o \ @@ -75,10 +67,7 @@ obj-$(CONFIG_ALPHA_PC164) += sys_cabriolet.o irq_i8259.o irq_srm.o \ obj-$(CONFIG_ALPHA_DP264) += sys_dp264.o irq_i8259.o es1888.o smc37c669.o obj-$(CONFIG_ALPHA_SHARK) += sys_dp264.o irq_i8259.o es1888.o smc37c669.o obj-$(CONFIG_ALPHA_TITAN) += sys_titan.o irq_i8259.o smc37c669.o -obj-$(CONFIG_ALPHA_EB64P) += sys_eb64p.o irq_i8259.o -obj-$(CONFIG_ALPHA_EB66) += sys_eb64p.o irq_i8259.o obj-$(CONFIG_ALPHA_EIGER) += sys_eiger.o irq_i8259.o -obj-$(CONFIG_ALPHA_JENSEN) += sys_jensen.o pci-noop.o irq_i8259.o obj-$(CONFIG_ALPHA_MARVEL) += sys_marvel.o obj-$(CONFIG_ALPHA_MIATA) += sys_miata.o irq_pyxis.o irq_i8259.o \ es1888.o smc37c669.o @@ -89,12 +78,6 @@ obj-$(CONFIG_ALPHA_RAWHIDE) += sys_rawhide.o irq_i8259.o obj-$(CONFIG_ALPHA_RUFFIAN) += sys_ruffian.o irq_pyxis.o irq_i8259.o obj-$(CONFIG_ALPHA_RX164) += sys_rx164.o irq_i8259.o obj-$(CONFIG_ALPHA_SABLE) += sys_sable.o -obj-$(CONFIG_ALPHA_LYNX) += sys_sable.o -obj-$(CONFIG_ALPHA_BOOK1) += sys_sio.o irq_i8259.o irq_srm.o pc873xx.o -obj-$(CONFIG_ALPHA_AVANTI) += sys_sio.o irq_i8259.o irq_srm.o pc873xx.o -obj-$(CONFIG_ALPHA_NONAME) += sys_sio.o irq_i8259.o irq_srm.o pc873xx.o -obj-$(CONFIG_ALPHA_P2K) += sys_sio.o irq_i8259.o irq_srm.o pc873xx.o -obj-$(CONFIG_ALPHA_XL) += sys_sio.o irq_i8259.o irq_srm.o pc873xx.o obj-$(CONFIG_ALPHA_SX164) += sys_sx164.o irq_pyxis.o irq_i8259.o \ irq_srm.o smc37c669.o obj-$(CONFIG_ALPHA_TAKARA) += sys_takara.o irq_i8259.o pc873xx.o diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c index bf1eedd27cf7..4cfeae42c79a 100644 --- a/arch/alpha/kernel/asm-offsets.c +++ b/arch/alpha/kernel/asm-offsets.c @@ -10,35 +10,16 @@ #include <linux/sched.h> #include <linux/ptrace.h> #include <linux/kbuild.h> -#include <asm/io.h> +#include <asm/machvec.h> static void __used foo(void) { - DEFINE(TI_TASK, offsetof(struct thread_info, task)); DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); - DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); DEFINE(TI_FP, offsetof(struct thread_info, fp)); DEFINE(TI_STATUS, offsetof(struct thread_info, status)); BLANK(); - DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked)); - DEFINE(TASK_CRED, offsetof(struct task_struct, cred)); - DEFINE(TASK_REAL_PARENT, offsetof(struct task_struct, real_parent)); - DEFINE(TASK_GROUP_LEADER, offsetof(struct task_struct, group_leader)); - DEFINE(TASK_TGID, offsetof(struct task_struct, tgid)); - BLANK(); - - DEFINE(CRED_UID, offsetof(struct cred, uid)); - DEFINE(CRED_EUID, offsetof(struct cred, euid)); - DEFINE(CRED_GID, offsetof(struct cred, gid)); - DEFINE(CRED_EGID, offsetof(struct cred, egid)); - BLANK(); - DEFINE(SIZEOF_PT_REGS, sizeof(struct pt_regs)); - DEFINE(PT_PTRACED, PT_PTRACED); - DEFINE(CLONE_VM, CLONE_VM); - DEFINE(CLONE_UNTRACED, CLONE_UNTRACED); - DEFINE(SIGCHLD, SIGCHLD); BLANK(); DEFINE(HAE_CACHE, offsetof(struct alpha_machine_vector, hae_cache)); diff --git a/arch/alpha/kernel/bugs.c b/arch/alpha/kernel/bugs.c index 08cc10d7fa17..e8c51089325f 100644 --- a/arch/alpha/kernel/bugs.c +++ b/arch/alpha/kernel/bugs.c @@ -1,6 +1,7 @@ #include <asm/hwrpb.h> #include <linux/device.h> +#include <linux/cpu.h> #ifdef CONFIG_SYSFS diff --git a/arch/alpha/kernel/console.c b/arch/alpha/kernel/console.c index 5476279329a6..4193f76e9633 100644 --- a/arch/alpha/kernel/console.c +++ b/arch/alpha/kernel/console.c @@ -15,6 +15,7 @@ #include <asm/machvec.h> #include "pci_impl.h" +#include "proto.h" #ifdef CONFIG_VGA_HOSE diff --git a/arch/alpha/kernel/core_apecs.c b/arch/alpha/kernel/core_apecs.c deleted file mode 100644 index 6df765ff2b10..000000000000 --- a/arch/alpha/kernel/core_apecs.c +++ /dev/null @@ -1,420 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/alpha/kernel/core_apecs.c - * - * Rewritten for Apecs from the lca.c from: - * - * Written by David Mosberger (davidm@cs.arizona.edu) with some code - * taken from Dave Rusling's (david.rusling@reo.mts.dec.com) 32-bit - * bios code. - * - * Code common to all APECS core logic chips. - */ - -#define __EXTERN_INLINE inline -#include <asm/io.h> -#include <asm/core_apecs.h> -#undef __EXTERN_INLINE - -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/init.h> - -#include <asm/ptrace.h> -#include <asm/smp.h> -#include <asm/mce.h> - -#include "proto.h" -#include "pci_impl.h" - -/* - * NOTE: Herein lie back-to-back mb instructions. They are magic. - * One plausible explanation is that the i/o controller does not properly - * handle the system transaction. Another involves timing. Ho hum. - */ - -/* - * BIOS32-style PCI interface: - */ - -#define DEBUG_CONFIG 0 - -#if DEBUG_CONFIG -# define DBGC(args) printk args -#else -# define DBGC(args) -#endif - -#define vuip volatile unsigned int * - -/* - * Given a bus, device, and function number, compute resulting - * configuration space address and setup the APECS_HAXR2 register - * accordingly. It is therefore not safe to have concurrent - * invocations to configuration space access routines, but there - * really shouldn't be any need for this. - * - * Type 0: - * - * 3 3|3 3 2 2|2 2 2 2|2 2 2 2|1 1 1 1|1 1 1 1|1 1 - * 3 2|1 0 9 8|7 6 5 4|3 2 1 0|9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0 - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * | | | | | | | | | | | | | | | | | | | | | | | |F|F|F|R|R|R|R|R|R|0|0| - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * - * 31:11 Device select bit. - * 10:8 Function number - * 7:2 Register number - * - * Type 1: - * - * 3 3|3 3 2 2|2 2 2 2|2 2 2 2|1 1 1 1|1 1 1 1|1 1 - * 3 2|1 0 9 8|7 6 5 4|3 2 1 0|9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0 - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * | | | | | | | | | | |B|B|B|B|B|B|B|B|D|D|D|D|D|F|F|F|R|R|R|R|R|R|0|1| - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * - * 31:24 reserved - * 23:16 bus number (8 bits = 128 possible buses) - * 15:11 Device number (5 bits) - * 10:8 function number - * 7:2 register number - * - * Notes: - * The function number selects which function of a multi-function device - * (e.g., SCSI and Ethernet). - * - * The register selects a DWORD (32 bit) register offset. Hence it - * doesn't get shifted by 2 bits as we want to "drop" the bottom two - * bits. - */ - -static int -mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where, - unsigned long *pci_addr, unsigned char *type1) -{ - unsigned long addr; - u8 bus = pbus->number; - - DBGC(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x," - " pci_addr=0x%p, type1=0x%p)\n", - bus, device_fn, where, pci_addr, type1)); - - if (bus == 0) { - int device = device_fn >> 3; - - /* type 0 configuration cycle: */ - - if (device > 20) { - DBGC(("mk_conf_addr: device (%d) > 20, returning -1\n", - device)); - return -1; - } - - *type1 = 0; - addr = (device_fn << 8) | (where); - } else { - /* type 1 configuration cycle: */ - *type1 = 1; - addr = (bus << 16) | (device_fn << 8) | (where); - } - *pci_addr = addr; - DBGC(("mk_conf_addr: returning pci_addr 0x%lx\n", addr)); - return 0; -} - -static unsigned int -conf_read(unsigned long addr, unsigned char type1) -{ - unsigned long flags; - unsigned int stat0, value; - unsigned int haxr2 = 0; - - local_irq_save(flags); /* avoid getting hit by machine check */ - - DBGC(("conf_read(addr=0x%lx, type1=%d)\n", addr, type1)); - - /* Reset status register to avoid losing errors. */ - stat0 = *(vuip)APECS_IOC_DCSR; - *(vuip)APECS_IOC_DCSR = stat0; - mb(); - DBGC(("conf_read: APECS DCSR was 0x%x\n", stat0)); - - /* If Type1 access, must set HAE #2. */ - if (type1) { - haxr2 = *(vuip)APECS_IOC_HAXR2; - mb(); - *(vuip)APECS_IOC_HAXR2 = haxr2 | 1; - DBGC(("conf_read: TYPE1 access\n")); - } - - draina(); - mcheck_expected(0) = 1; - mcheck_taken(0) = 0; - mb(); - - /* Access configuration space. */ - - /* Some SRMs step on these registers during a machine check. */ - asm volatile("ldl %0,%1; mb; mb" : "=r"(value) : "m"(*(vuip)addr) - : "$9", "$10", "$11", "$12", "$13", "$14", "memory"); - - if (mcheck_taken(0)) { - mcheck_taken(0) = 0; - value = 0xffffffffU; - mb(); - } - mcheck_expected(0) = 0; - mb(); - -#if 1 - /* - * david.rusling@reo.mts.dec.com. This code is needed for the - * EB64+ as it does not generate a machine check (why I don't - * know). When we build kernels for one particular platform - * then we can make this conditional on the type. - */ - draina(); - - /* Now look for any errors. */ - stat0 = *(vuip)APECS_IOC_DCSR; - DBGC(("conf_read: APECS DCSR after read 0x%x\n", stat0)); - - /* Is any error bit set? */ - if (stat0 & 0xffe0U) { - /* If not NDEV, print status. */ - if (!(stat0 & 0x0800)) { - printk("apecs.c:conf_read: got stat0=%x\n", stat0); - } - - /* Reset error status. */ - *(vuip)APECS_IOC_DCSR = stat0; - mb(); - wrmces(0x7); /* reset machine check */ - value = 0xffffffff; - } -#endif - - /* If Type1 access, must reset HAE #2 so normal IO space ops work. */ - if (type1) { - *(vuip)APECS_IOC_HAXR2 = haxr2 & ~1; - mb(); - } - local_irq_restore(flags); - - return value; -} - -static void -conf_write(unsigned long addr, unsigned int value, unsigned char type1) -{ - unsigned long flags; - unsigned int stat0; - unsigned int haxr2 = 0; - - local_irq_save(flags); /* avoid getting hit by machine check */ - - /* Reset status register to avoid losing errors. */ - stat0 = *(vuip)APECS_IOC_DCSR; - *(vuip)APECS_IOC_DCSR = stat0; - mb(); - - /* If Type1 access, must set HAE #2. */ - if (type1) { - haxr2 = *(vuip)APECS_IOC_HAXR2; - mb(); - *(vuip)APECS_IOC_HAXR2 = haxr2 | 1; - } - - draina(); - mcheck_expected(0) = 1; - mb(); - - /* Access configuration space. */ - *(vuip)addr = value; - mb(); - mb(); /* magic */ - mcheck_expected(0) = 0; - mb(); - -#if 1 - /* - * david.rusling@reo.mts.dec.com. This code is needed for the - * EB64+ as it does not generate a machine check (why I don't - * know). When we build kernels for one particular platform - * then we can make this conditional on the type. - */ - draina(); - - /* Now look for any errors. */ - stat0 = *(vuip)APECS_IOC_DCSR; - - /* Is any error bit set? */ - if (stat0 & 0xffe0U) { - /* If not NDEV, print status. */ - if (!(stat0 & 0x0800)) { - printk("apecs.c:conf_write: got stat0=%x\n", stat0); - } - - /* Reset error status. */ - *(vuip)APECS_IOC_DCSR = stat0; - mb(); - wrmces(0x7); /* reset machine check */ - } -#endif - - /* If Type1 access, must reset HAE #2 so normal IO space ops work. */ - if (type1) { - *(vuip)APECS_IOC_HAXR2 = haxr2 & ~1; - mb(); - } - local_irq_restore(flags); -} - -static int -apecs_read_config(struct pci_bus *bus, unsigned int devfn, int where, - int size, u32 *value) -{ - unsigned long addr, pci_addr; - unsigned char type1; - long mask; - int shift; - - if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1)) - return PCIBIOS_DEVICE_NOT_FOUND; - - mask = (size - 1) * 8; - shift = (where & 3) * 8; - addr = (pci_addr << 5) + mask + APECS_CONF; - *value = conf_read(addr, type1) >> (shift); - return PCIBIOS_SUCCESSFUL; -} - -static int -apecs_write_config(struct pci_bus *bus, unsigned int devfn, int where, - int size, u32 value) -{ - unsigned long addr, pci_addr; - unsigned char type1; - long mask; - - if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1)) - return PCIBIOS_DEVICE_NOT_FOUND; - - mask = (size - 1) * 8; - addr = (pci_addr << 5) + mask + APECS_CONF; - conf_write(addr, value << ((where & 3) * 8), type1); - return PCIBIOS_SUCCESSFUL; -} - -struct pci_ops apecs_pci_ops = -{ - .read = apecs_read_config, - .write = apecs_write_config, -}; - -void -apecs_pci_tbi(struct pci_controller *hose, dma_addr_t start, dma_addr_t end) -{ - wmb(); - *(vip)APECS_IOC_TBIA = 0; - mb(); -} - -void __init -apecs_init_arch(void) -{ - struct pci_controller *hose; - - /* - * Create our single hose. - */ - - pci_isa_hose = hose = alloc_pci_controller(); - hose->io_space = &ioport_resource; - hose->mem_space = &iomem_resource; - hose->index = 0; - - hose->sparse_mem_base = APECS_SPARSE_MEM - IDENT_ADDR; - hose->dense_mem_base = APECS_DENSE_MEM - IDENT_ADDR; - hose->sparse_io_base = APECS_IO - IDENT_ADDR; - hose->dense_io_base = 0; - - /* - * Set up the PCI to main memory translation windows. - * - * Window 1 is direct access 1GB at 1GB - * Window 2 is scatter-gather 8MB at 8MB (for isa) - */ - hose->sg_isa = iommu_arena_new(hose, 0x00800000, 0x00800000, - SMP_CACHE_BYTES); - hose->sg_pci = NULL; - __direct_map_base = 0x40000000; - __direct_map_size = 0x40000000; - - *(vuip)APECS_IOC_PB1R = __direct_map_base | 0x00080000; - *(vuip)APECS_IOC_PM1R = (__direct_map_size - 1) & 0xfff00000U; - *(vuip)APECS_IOC_TB1R = 0; - - *(vuip)APECS_IOC_PB2R = hose->sg_isa->dma_base | 0x000c0000; - *(vuip)APECS_IOC_PM2R = (hose->sg_isa->size - 1) & 0xfff00000; - *(vuip)APECS_IOC_TB2R = virt_to_phys(hose->sg_isa->ptes) >> 1; - - apecs_pci_tbi(hose, 0, -1); - - /* - * Finally, clear the HAXR2 register, which gets used - * for PCI Config Space accesses. That is the way - * we want to use it, and we do not want to depend on - * what ARC or SRM might have left behind... - */ - *(vuip)APECS_IOC_HAXR2 = 0; - mb(); -} - -void -apecs_pci_clr_err(void) -{ - unsigned int jd; - - jd = *(vuip)APECS_IOC_DCSR; - if (jd & 0xffe0L) { - *(vuip)APECS_IOC_SEAR; - *(vuip)APECS_IOC_DCSR = jd | 0xffe1L; - mb(); - *(vuip)APECS_IOC_DCSR; - } - *(vuip)APECS_IOC_TBIA = (unsigned int)APECS_IOC_TBIA; - mb(); - *(vuip)APECS_IOC_TBIA; -} - -void -apecs_machine_check(unsigned long vector, unsigned long la_ptr) -{ - struct el_common *mchk_header; - struct el_apecs_procdata *mchk_procdata; - struct el_apecs_sysdata_mcheck *mchk_sysdata; - - mchk_header = (struct el_common *)la_ptr; - - mchk_procdata = (struct el_apecs_procdata *) - (la_ptr + mchk_header->proc_offset - - sizeof(mchk_procdata->paltemp)); - - mchk_sysdata = (struct el_apecs_sysdata_mcheck *) - (la_ptr + mchk_header->sys_offset); - - - /* Clear the error before any reporting. */ - mb(); - mb(); /* magic */ - draina(); - apecs_pci_clr_err(); - wrmces(0x7); /* reset machine check pending flag */ - mb(); - - process_mcheck_info(vector, la_ptr, "APECS", - (mcheck_expected(0) - && (mchk_sysdata->epic_dcsr & 0x0c00UL))); -} diff --git a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c index 12926e9538b8..ca3d9c732b61 100644 --- a/arch/alpha/kernel/core_cia.c +++ b/arch/alpha/kernel/core_cia.c @@ -280,7 +280,7 @@ cia_pci_tbi(struct pci_controller *hose, dma_addr_t start, dma_addr_t end) #define CIA_BROKEN_TBIA_SIZE 1024 /* Always called with interrupts disabled */ -void +static void cia_pci_tbi_try2(struct pci_controller *hose, dma_addr_t start, dma_addr_t end) { @@ -576,7 +576,7 @@ struct } window[4]; } saved_config __attribute((common)); -void +static void cia_save_srm_settings(int is_pyxis) { int i; @@ -602,7 +602,7 @@ cia_save_srm_settings(int is_pyxis) mb(); } -void +static void cia_restore_srm_settings(void) { int i; diff --git a/arch/alpha/kernel/core_irongate.c b/arch/alpha/kernel/core_irongate.c index 6b8ed12936b6..05dc4c1b9074 100644 --- a/arch/alpha/kernel/core_irongate.c +++ b/arch/alpha/kernel/core_irongate.c @@ -226,7 +226,6 @@ albacore_init_arch(void) if (memtop > pci_mem) { #ifdef CONFIG_BLK_DEV_INITRD extern unsigned long initrd_start, initrd_end; - extern void *move_initrd(unsigned long); /* Move the initrd out of the way. */ if (initrd_end && __pa(initrd_end) > pci_mem) { diff --git a/arch/alpha/kernel/core_lca.c b/arch/alpha/kernel/core_lca.c deleted file mode 100644 index 57e0750419f2..000000000000 --- a/arch/alpha/kernel/core_lca.c +++ /dev/null @@ -1,517 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/alpha/kernel/core_lca.c - * - * Written by David Mosberger (davidm@cs.arizona.edu) with some code - * taken from Dave Rusling's (david.rusling@reo.mts.dec.com) 32-bit - * bios code. - * - * Code common to all LCA core logic chips. - */ - -#define __EXTERN_INLINE inline -#include <asm/io.h> -#include <asm/core_lca.h> -#undef __EXTERN_INLINE - -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/tty.h> - -#include <asm/ptrace.h> -#include <asm/irq_regs.h> -#include <asm/smp.h> - -#include "proto.h" -#include "pci_impl.h" - - -/* - * BIOS32-style PCI interface: - */ - -/* - * Machine check reasons. Defined according to PALcode sources - * (osf.h and platform.h). - */ -#define MCHK_K_TPERR 0x0080 -#define MCHK_K_TCPERR 0x0082 -#define MCHK_K_HERR 0x0084 -#define MCHK_K_ECC_C 0x0086 -#define MCHK_K_ECC_NC 0x0088 -#define MCHK_K_UNKNOWN 0x008A -#define MCHK_K_CACKSOFT 0x008C -#define MCHK_K_BUGCHECK 0x008E -#define MCHK_K_OS_BUGCHECK 0x0090 -#define MCHK_K_DCPERR 0x0092 -#define MCHK_K_ICPERR 0x0094 - - -/* - * Platform-specific machine-check reasons: - */ -#define MCHK_K_SIO_SERR 0x204 /* all platforms so far */ -#define MCHK_K_SIO_IOCHK 0x206 /* all platforms so far */ -#define MCHK_K_DCSR 0x208 /* all but Noname */ - - -/* - * Given a bus, device, and function number, compute resulting - * configuration space address and setup the LCA_IOC_CONF register - * accordingly. It is therefore not safe to have concurrent - * invocations to configuration space access routines, but there - * really shouldn't be any need for this. - * - * Type 0: - * - * 3 3|3 3 2 2|2 2 2 2|2 2 2 2|1 1 1 1|1 1 1 1|1 1 - * 3 2|1 0 9 8|7 6 5 4|3 2 1 0|9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0 - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * | | | | | | | | | | | | | | | | | | | | | | | |F|F|F|R|R|R|R|R|R|0|0| - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * - * 31:11 Device select bit. - * 10:8 Function number - * 7:2 Register number - * - * Type 1: - * - * 3 3|3 3 2 2|2 2 2 2|2 2 2 2|1 1 1 1|1 1 1 1|1 1 - * 3 2|1 0 9 8|7 6 5 4|3 2 1 0|9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0 - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * | | | | | | | | | | |B|B|B|B|B|B|B|B|D|D|D|D|D|F|F|F|R|R|R|R|R|R|0|1| - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * - * 31:24 reserved - * 23:16 bus number (8 bits = 128 possible buses) - * 15:11 Device number (5 bits) - * 10:8 function number - * 7:2 register number - * - * Notes: - * The function number selects which function of a multi-function device - * (e.g., SCSI and Ethernet). - * - * The register selects a DWORD (32 bit) register offset. Hence it - * doesn't get shifted by 2 bits as we want to "drop" the bottom two - * bits. - */ - -static int -mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where, - unsigned long *pci_addr) -{ - unsigned long addr; - u8 bus = pbus->number; - - if (bus == 0) { - int device = device_fn >> 3; - int func = device_fn & 0x7; - - /* Type 0 configuration cycle. */ - - if (device > 12) { - return -1; - } - - *(vulp)LCA_IOC_CONF = 0; - addr = (1 << (11 + device)) | (func << 8) | where; - } else { - /* Type 1 configuration cycle. */ - *(vulp)LCA_IOC_CONF = 1; - addr = (bus << 16) | (device_fn << 8) | where; - } - *pci_addr = addr; - return 0; -} - -static unsigned int -conf_read(unsigned long addr) -{ - unsigned long flags, code, stat0; - unsigned int value; - - local_irq_save(flags); - - /* Reset status register to avoid losing errors. */ - stat0 = *(vulp)LCA_IOC_STAT0; - *(vulp)LCA_IOC_STAT0 = stat0; - mb(); - - /* Access configuration space. */ - value = *(vuip)addr; - draina(); - - stat0 = *(vulp)LCA_IOC_STAT0; - if (stat0 & LCA_IOC_STAT0_ERR) { - code = ((stat0 >> LCA_IOC_STAT0_CODE_SHIFT) - & LCA_IOC_STAT0_CODE_MASK); - if (code != 1) { - printk("lca.c:conf_read: got stat0=%lx\n", stat0); - } - - /* Reset error status. */ - *(vulp)LCA_IOC_STAT0 = stat0; - mb(); - - /* Reset machine check. */ - wrmces(0x7); - - value = 0xffffffff; - } - local_irq_restore(flags); - return value; -} - -static void -conf_write(unsigned long addr, unsigned int value) -{ - unsigned long flags, code, stat0; - - local_irq_save(flags); /* avoid getting hit by machine check */ - - /* Reset status register to avoid losing errors. */ - stat0 = *(vulp)LCA_IOC_STAT0; - *(vulp)LCA_IOC_STAT0 = stat0; - mb(); - - /* Access configuration space. */ - *(vuip)addr = value; - draina(); - - stat0 = *(vulp)LCA_IOC_STAT0; - if (stat0 & LCA_IOC_STAT0_ERR) { - code = ((stat0 >> LCA_IOC_STAT0_CODE_SHIFT) - & LCA_IOC_STAT0_CODE_MASK); - if (code != 1) { - printk("lca.c:conf_write: got stat0=%lx\n", stat0); - } - - /* Reset error status. */ - *(vulp)LCA_IOC_STAT0 = stat0; - mb(); - - /* Reset machine check. */ - wrmces(0x7); - } - local_irq_restore(flags); -} - -static int -lca_read_config(struct pci_bus *bus, unsigned int devfn, int where, - int size, u32 *value) -{ - unsigned long addr, pci_addr; - long mask; - int shift; - - if (mk_conf_addr(bus, devfn, where, &pci_addr)) - return PCIBIOS_DEVICE_NOT_FOUND; - - shift = (where & 3) * 8; - mask = (size - 1) * 8; - addr = (pci_addr << 5) + mask + LCA_CONF; - *value = conf_read(addr) >> (shift); - return PCIBIOS_SUCCESSFUL; -} - -static int -lca_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size, - u32 value) -{ - unsigned long addr, pci_addr; - long mask; - - if (mk_conf_addr(bus, devfn, where, &pci_addr)) - return PCIBIOS_DEVICE_NOT_FOUND; - - mask = (size - 1) * 8; - addr = (pci_addr << 5) + mask + LCA_CONF; - conf_write(addr, value << ((where & 3) * 8)); - return PCIBIOS_SUCCESSFUL; -} - -struct pci_ops lca_pci_ops = -{ - .read = lca_read_config, - .write = lca_write_config, -}; - -void -lca_pci_tbi(struct pci_controller *hose, dma_addr_t start, dma_addr_t end) -{ - wmb(); - *(vulp)LCA_IOC_TBIA = 0; - mb(); -} - -void __init -lca_init_arch(void) -{ - struct pci_controller *hose; - - /* - * Create our single hose. - */ - - pci_isa_hose = hose = alloc_pci_controller(); - hose->io_space = &ioport_resource; - hose->mem_space = &iomem_resource; - hose->index = 0; - - hose->sparse_mem_base = LCA_SPARSE_MEM - IDENT_ADDR; - hose->dense_mem_base = LCA_DENSE_MEM - IDENT_ADDR; - hose->sparse_io_base = LCA_IO - IDENT_ADDR; - hose->dense_io_base = 0; - - /* - * Set up the PCI to main memory translation windows. - * - * Mimic the SRM settings for the direct-map window. - * Window 0 is scatter-gather 8MB at 8MB (for isa). - * Window 1 is direct access 1GB at 1GB. - * - * Note that we do not try to save any of the DMA window CSRs - * before setting them, since we cannot read those CSRs on LCA. - */ - hose->sg_isa = iommu_arena_new(hose, 0x00800000, 0x00800000, - SMP_CACHE_BYTES); - hose->sg_pci = NULL; - __direct_map_base = 0x40000000; - __direct_map_size = 0x40000000; - - *(vulp)LCA_IOC_W_BASE0 = hose->sg_isa->dma_base | (3UL << 32); - *(vulp)LCA_IOC_W_MASK0 = (hose->sg_isa->size - 1) & 0xfff00000; - *(vulp)LCA_IOC_T_BASE0 = virt_to_phys(hose->sg_isa->ptes); - - *(vulp)LCA_IOC_W_BASE1 = __direct_map_base | (2UL << 32); - *(vulp)LCA_IOC_W_MASK1 = (__direct_map_size - 1) & 0xfff00000; - *(vulp)LCA_IOC_T_BASE1 = 0; - - *(vulp)LCA_IOC_TB_ENA = 0x80; - - lca_pci_tbi(hose, 0, -1); - - /* - * Disable PCI parity for now. The NCR53c810 chip has - * troubles meeting the PCI spec which results in - * data parity errors. - */ - *(vulp)LCA_IOC_PAR_DIS = 1UL<<5; - - /* - * Finally, set up for restoring the correct HAE if using SRM. - * Again, since we cannot read many of the CSRs on the LCA, - * one of which happens to be the HAE, we save the value that - * the SRM will expect... - */ - if (alpha_using_srm) - srm_hae = 0x80000000UL; -} - -/* - * Constants used during machine-check handling. I suppose these - * could be moved into lca.h but I don't see much reason why anybody - * else would want to use them. - */ - -#define ESR_EAV (1UL<< 0) /* error address valid */ -#define ESR_CEE (1UL<< 1) /* correctable error */ -#define ESR_UEE (1UL<< 2) /* uncorrectable error */ -#define ESR_WRE (1UL<< 3) /* write-error */ -#define ESR_SOR (1UL<< 4) /* error source */ -#define ESR_CTE (1UL<< 7) /* cache-tag error */ -#define ESR_MSE (1UL<< 9) /* multiple soft errors */ -#define ESR_MHE (1UL<<10) /* multiple hard errors */ -#define ESR_NXM (1UL<<12) /* non-existent memory */ - -#define IOC_ERR ( 1<<4) /* ioc logs an error */ -#define IOC_CMD_SHIFT 0 -#define IOC_CMD (0xf<<IOC_CMD_SHIFT) -#define IOC_CODE_SHIFT 8 -#define IOC_CODE (0xf<<IOC_CODE_SHIFT) -#define IOC_LOST ( 1<<5) -#define IOC_P_NBR ((__u32) ~((1<<13) - 1)) - -static void -mem_error(unsigned long esr, unsigned long ear) -{ - printk(" %s %s error to %s occurred at address %x\n", - ((esr & ESR_CEE) ? "Correctable" : - (esr & ESR_UEE) ? "Uncorrectable" : "A"), - (esr & ESR_WRE) ? "write" : "read", - (esr & ESR_SOR) ? "memory" : "b-cache", - (unsigned) (ear & 0x1ffffff8)); - if (esr & ESR_CTE) { - printk(" A b-cache tag parity error was detected.\n"); - } - if (esr & ESR_MSE) { - printk(" Several other correctable errors occurred.\n"); - } - if (esr & ESR_MHE) { - printk(" Several other uncorrectable errors occurred.\n"); - } - if (esr & ESR_NXM) { - printk(" Attempted to access non-existent memory.\n"); - } -} - -static void -ioc_error(__u32 stat0, __u32 stat1) -{ - static const char * const pci_cmd[] = { - "Interrupt Acknowledge", "Special", "I/O Read", "I/O Write", - "Rsvd 1", "Rsvd 2", "Memory Read", "Memory Write", "Rsvd3", - "Rsvd4", "Configuration Read", "Configuration Write", - "Memory Read Multiple", "Dual Address", "Memory Read Line", - "Memory Write and Invalidate" - }; - static const char * const err_name[] = { - "exceeded retry limit", "no device", "bad data parity", - "target abort", "bad address parity", "page table read error", - "invalid page", "data error" - }; - unsigned code = (stat0 & IOC_CODE) >> IOC_CODE_SHIFT; - unsigned cmd = (stat0 & IOC_CMD) >> IOC_CMD_SHIFT; - - printk(" %s initiated PCI %s cycle to address %x" - " failed due to %s.\n", - code > 3 ? "PCI" : "CPU", pci_cmd[cmd], stat1, err_name[code]); - - if (code == 5 || code == 6) { - printk(" (Error occurred at PCI memory address %x.)\n", - (stat0 & ~IOC_P_NBR)); - } - if (stat0 & IOC_LOST) { - printk(" Other PCI errors occurred simultaneously.\n"); - } -} - -void -lca_machine_check(unsigned long vector, unsigned long la_ptr) -{ - const char * reason; - union el_lca el; - - el.c = (struct el_common *) la_ptr; - - wrmces(rdmces()); /* reset machine check pending flag */ - - printk(KERN_CRIT "LCA machine check: vector=%#lx pc=%#lx code=%#x\n", - vector, get_irq_regs()->pc, (unsigned int) el.c->code); - - /* - * The first quadword after the common header always seems to - * be the machine check reason---don't know why this isn't - * part of the common header instead. In the case of a long - * logout frame, the upper 32 bits is the machine check - * revision level, which we ignore for now. - */ - switch ((unsigned int) el.c->code) { - case MCHK_K_TPERR: reason = "tag parity error"; break; - case MCHK_K_TCPERR: reason = "tag control parity error"; break; - case MCHK_K_HERR: reason = "access to non-existent memory"; break; - case MCHK_K_ECC_C: reason = "correctable ECC error"; break; - case MCHK_K_ECC_NC: reason = "non-correctable ECC error"; break; - case MCHK_K_CACKSOFT: reason = "MCHK_K_CACKSOFT"; break; - case MCHK_K_BUGCHECK: reason = "illegal exception in PAL mode"; break; - case MCHK_K_OS_BUGCHECK: reason = "callsys in kernel mode"; break; - case MCHK_K_DCPERR: reason = "d-cache parity error"; break; - case MCHK_K_ICPERR: reason = "i-cache parity error"; break; - case MCHK_K_SIO_SERR: reason = "SIO SERR occurred on PCI bus"; break; - case MCHK_K_SIO_IOCHK: reason = "SIO IOCHK occurred on ISA bus"; break; - case MCHK_K_DCSR: reason = "MCHK_K_DCSR"; break; - case MCHK_K_UNKNOWN: - default: reason = "unknown"; break; - } - - switch (el.c->size) { - case sizeof(struct el_lca_mcheck_short): - printk(KERN_CRIT - " Reason: %s (short frame%s, dc_stat=%#lx):\n", - reason, el.c->retry ? ", retryable" : "", - el.s->dc_stat); - if (el.s->esr & ESR_EAV) { - mem_error(el.s->esr, el.s->ear); - } - if (el.s->ioc_stat0 & IOC_ERR) { - ioc_error(el.s->ioc_stat0, el.s->ioc_stat1); - } - break; - - case sizeof(struct el_lca_mcheck_long): - printk(KERN_CRIT " Reason: %s (long frame%s):\n", - reason, el.c->retry ? ", retryable" : ""); - printk(KERN_CRIT - " reason: %#lx exc_addr: %#lx dc_stat: %#lx\n", - el.l->pt[0], el.l->exc_addr, el.l->dc_stat); - printk(KERN_CRIT " car: %#lx\n", el.l->car); - if (el.l->esr & ESR_EAV) { - mem_error(el.l->esr, el.l->ear); - } - if (el.l->ioc_stat0 & IOC_ERR) { - ioc_error(el.l->ioc_stat0, el.l->ioc_stat1); - } - break; - - default: - printk(KERN_CRIT " Unknown errorlog size %d\n", el.c->size); - } - - /* Dump the logout area to give all info. */ -#ifdef CONFIG_VERBOSE_MCHECK - if (alpha_verbose_mcheck > 1) { - unsigned long * ptr = (unsigned long *) la_ptr; - long i; - for (i = 0; i < el.c->size / sizeof(long); i += 2) { - printk(KERN_CRIT " +%8lx %016lx %016lx\n", - i*sizeof(long), ptr[i], ptr[i+1]); - } - } -#endif /* CONFIG_VERBOSE_MCHECK */ -} - -/* - * The following routines are needed to support the SPEED changing - * necessary to successfully manage the thermal problem on the AlphaBook1. - */ - -void -lca_clock_print(void) -{ - long pmr_reg; - - pmr_reg = LCA_READ_PMR; - - printk("Status of clock control:\n"); - printk("\tPrimary clock divisor\t0x%lx\n", LCA_GET_PRIMARY(pmr_reg)); - printk("\tOverride clock divisor\t0x%lx\n", LCA_GET_OVERRIDE(pmr_reg)); - printk("\tInterrupt override is %s\n", - (pmr_reg & LCA_PMR_INTO) ? "on" : "off"); - printk("\tDMA override is %s\n", - (pmr_reg & LCA_PMR_DMAO) ? "on" : "off"); - -} - -int -lca_get_clock(void) -{ - long pmr_reg; - - pmr_reg = LCA_READ_PMR; - return(LCA_GET_PRIMARY(pmr_reg)); - -} - -void -lca_clock_fiddle(int divisor) -{ - long pmr_reg; - - pmr_reg = LCA_READ_PMR; - LCA_SET_PRIMARY_CLOCK(pmr_reg, divisor); - /* lca_norm_clock = divisor; */ - LCA_WRITE_PMR(pmr_reg); - mb(); -} diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c index e9348aec4649..b22248044bf0 100644 --- a/arch/alpha/kernel/core_marvel.c +++ b/arch/alpha/kernel/core_marvel.c @@ -355,7 +355,7 @@ marvel_init_io7(struct io7 *io7) } } -void __init +static void __init marvel_io7_present(gct6_node *node) { int pe; diff --git a/arch/alpha/kernel/core_t2.c b/arch/alpha/kernel/core_t2.c index 98d5b6ff8a76..3d72d90624f1 100644 --- a/arch/alpha/kernel/core_t2.c +++ b/arch/alpha/kernel/core_t2.c @@ -10,7 +10,7 @@ * Code common to all T2 core logic chips. */ -#define __EXTERN_INLINE +#define __EXTERN_INLINE inline #include <asm/io.h> #include <asm/core_t2.h> #undef __EXTERN_INLINE diff --git a/arch/alpha/kernel/core_wildfire.c b/arch/alpha/kernel/core_wildfire.c index 3a804b67f9da..8dd08c5e4270 100644 --- a/arch/alpha/kernel/core_wildfire.c +++ b/arch/alpha/kernel/core_wildfire.c @@ -59,7 +59,7 @@ unsigned long wildfire_pca_mask; unsigned long wildfire_cpu_mask; unsigned long wildfire_mem_mask; -void __init +static void __init wildfire_init_hose(int qbbno, int hoseno) { struct pci_controller *hose; @@ -137,7 +137,7 @@ wildfire_init_hose(int qbbno, int hoseno) wildfire_pci_tbi(hose, 0, 0); /* Flush TLB at the end. */ } -void __init +static void __init wildfire_init_pca(int qbbno, int pcano) { @@ -154,7 +154,7 @@ wildfire_init_pca(int qbbno, int pcano) wildfire_init_hose(qbbno, (pcano << 1) + 1); } -void __init +static void __init wildfire_init_qbb(int qbbno) { int pcano; @@ -176,7 +176,7 @@ wildfire_init_qbb(int qbbno) } } -void __init +static void __init wildfire_hardware_probe(void) { unsigned long temp; diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S index eb51f93a70c8..dd26062d75b3 100644 --- a/arch/alpha/kernel/entry.S +++ b/arch/alpha/kernel/entry.S @@ -811,6 +811,7 @@ alpha_\name: fork_like fork fork_like vfork fork_like clone +fork_like clone3 .macro sigreturn_like name .align 4 diff --git a/arch/alpha/kernel/io.c b/arch/alpha/kernel/io.c index eda09778268f..c28035d6d1e6 100644 --- a/arch/alpha/kernel/io.c +++ b/arch/alpha/kernel/io.c @@ -647,6 +647,10 @@ void _memset_c_io(volatile void __iomem *to, unsigned long c, long count) EXPORT_SYMBOL(_memset_c_io); +#if IS_ENABLED(CONFIG_VGA_CONSOLE) || IS_ENABLED(CONFIG_MDA_CONSOLE) + +#include <asm/vga.h> + /* A version of memcpy used by the vga console routines to move data around arbitrarily between screen and main memory. */ @@ -681,6 +685,21 @@ scr_memcpyw(u16 *d, const u16 *s, unsigned int count) EXPORT_SYMBOL(scr_memcpyw); +void scr_memmovew(u16 *d, const u16 *s, unsigned int count) +{ + if (d < s) + scr_memcpyw(d, s, count); + else { + count /= 2; + d += count; + s += count; + while (count--) + scr_writew(scr_readw(--s), --d); + } +} +EXPORT_SYMBOL(scr_memmovew); +#endif + void __iomem *ioport_map(unsigned long port, unsigned int size) { return IO_CONCAT(__IO_PREFIX,ioportmap) (port); diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index 15f2effd6baf..c67047c5d830 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -28,6 +28,7 @@ #include <asm/io.h> #include <linux/uaccess.h> +#include "irq_impl.h" volatile unsigned long irq_err_count; DEFINE_PER_CPU(unsigned long, irq_pmi_count); diff --git a/arch/alpha/kernel/irq_i8259.c b/arch/alpha/kernel/irq_i8259.c index 1dcf0d9038fd..29c6c477ac35 100644 --- a/arch/alpha/kernel/irq_i8259.c +++ b/arch/alpha/kernel/irq_i8259.c @@ -98,10 +98,6 @@ init_i8259a_irqs(void) #if defined(CONFIG_ALPHA_GENERIC) # define IACK_SC alpha_mv.iack_sc -#elif defined(CONFIG_ALPHA_APECS) -# define IACK_SC APECS_IACK_SC -#elif defined(CONFIG_ALPHA_LCA) -# define IACK_SC LCA_IACK_SC #elif defined(CONFIG_ALPHA_CIA) # define IACK_SC CIA_IACK_SC #elif defined(CONFIG_ALPHA_PYXIS) diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h index c2ebcb39e589..129ae36b8e6d 100644 --- a/arch/alpha/kernel/machvec_impl.h +++ b/arch/alpha/kernel/machvec_impl.h @@ -44,33 +44,14 @@ #define DO_DEFAULT_RTC .rtc_port = 0x70 -#define DO_EV4_MMU \ - .max_asn = EV4_MAX_ASN, \ - .mv_switch_mm = ev4_switch_mm, \ - .mv_activate_mm = ev4_activate_mm, \ - .mv_flush_tlb_current = ev4_flush_tlb_current, \ - .mv_flush_tlb_current_page = ev4_flush_tlb_current_page - #define DO_EV5_MMU \ - .max_asn = EV5_MAX_ASN, \ - .mv_switch_mm = ev5_switch_mm, \ - .mv_activate_mm = ev5_activate_mm, \ - .mv_flush_tlb_current = ev5_flush_tlb_current, \ - .mv_flush_tlb_current_page = ev5_flush_tlb_current_page + .max_asn = EV5_MAX_ASN \ #define DO_EV6_MMU \ - .max_asn = EV6_MAX_ASN, \ - .mv_switch_mm = ev5_switch_mm, \ - .mv_activate_mm = ev5_activate_mm, \ - .mv_flush_tlb_current = ev5_flush_tlb_current, \ - .mv_flush_tlb_current_page = ev5_flush_tlb_current_page + .max_asn = EV6_MAX_ASN \ #define DO_EV7_MMU \ - .max_asn = EV6_MAX_ASN, \ - .mv_switch_mm = ev5_switch_mm, \ - .mv_activate_mm = ev5_activate_mm, \ - .mv_flush_tlb_current = ev5_flush_tlb_current, \ - .mv_flush_tlb_current_page = ev5_flush_tlb_current_page + .max_asn = EV6_MAX_ASN \ #define IO_LITE(UP,low) \ .hae_register = (unsigned long *) CAT(UP,_HAE_ADDRESS), \ diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 5db88b627439..e5f881bc8288 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -1218,14 +1218,11 @@ static unsigned long arch_get_unmapped_area_1(unsigned long addr, unsigned long len, unsigned long limit) { - struct vm_unmapped_area_info info; + struct vm_unmapped_area_info info = {}; - info.flags = 0; info.length = len; info.low_limit = addr; info.high_limit = limit; - info.align_mask = 0; - info.align_offset = 0; return vm_unmapped_area(&info); } diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c deleted file mode 100644 index ae82061edae9..000000000000 --- a/arch/alpha/kernel/pci-noop.c +++ /dev/null @@ -1,113 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/alpha/kernel/pci-noop.c - * - * Stub PCI interfaces for Jensen-specific kernels. - */ - -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/memblock.h> -#include <linux/gfp.h> -#include <linux/capability.h> -#include <linux/mm.h> -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/dma-mapping.h> -#include <linux/scatterlist.h> -#include <linux/syscalls.h> - -#include "proto.h" - - -/* - * The PCI controller list. - */ - -struct pci_controller *hose_head, **hose_tail = &hose_head; -struct pci_controller *pci_isa_hose; - - -struct pci_controller * __init -alloc_pci_controller(void) -{ - struct pci_controller *hose; - - hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES); - if (!hose) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(*hose)); - - *hose_tail = hose; - hose_tail = &hose->next; - - return hose; -} - -struct resource * __init -alloc_resource(void) -{ - void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); - - if (!ptr) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(struct resource)); - - return ptr; -} - -SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus, - unsigned long, dfn) -{ - struct pci_controller *hose; - - /* from hose or from bus.devfn */ - if (which & IOBASE_FROM_HOSE) { - for (hose = hose_head; hose; hose = hose->next) - if (hose->index == bus) - break; - if (!hose) - return -ENODEV; - } else { - /* Special hook for ISA access. */ - if (bus == 0 && dfn == 0) - hose = pci_isa_hose; - else - return -ENODEV; - } - - switch (which & ~IOBASE_FROM_HOSE) { - case IOBASE_HOSE: - return hose->index; - case IOBASE_SPARSE_MEM: - return hose->sparse_mem_base; - case IOBASE_DENSE_MEM: - return hose->dense_mem_base; - case IOBASE_SPARSE_IO: - return hose->sparse_io_base; - case IOBASE_DENSE_IO: - return hose->dense_io_base; - case IOBASE_ROOT_BUS: - return hose->bus->number; - } - - return -EOPNOTSUPP; -} - -SYSCALL_DEFINE5(pciconfig_read, unsigned long, bus, unsigned long, dfn, - unsigned long, off, unsigned long, len, void __user *, buf) -{ - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - else - return -ENODEV; -} - -SYSCALL_DEFINE5(pciconfig_write, unsigned long, bus, unsigned long, dfn, - unsigned long, off, unsigned long, len, void __user *, buf) -{ - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - else - return -ENODEV; -} diff --git a/arch/alpha/kernel/pci_impl.h b/arch/alpha/kernel/pci_impl.h index 18043af45e2b..a16325ce21c4 100644 --- a/arch/alpha/kernel/pci_impl.h +++ b/arch/alpha/kernel/pci_impl.h @@ -143,9 +143,7 @@ struct pci_iommu_arena unsigned int align_entry; }; -#if defined(CONFIG_ALPHA_SRM) && \ - (defined(CONFIG_ALPHA_CIA) || defined(CONFIG_ALPHA_LCA) || \ - defined(CONFIG_ALPHA_AVANTI)) +#if defined(CONFIG_ALPHA_SRM) && defined(CONFIG_ALPHA_CIA) # define NEED_SRM_SAVE_RESTORE #else # undef NEED_SRM_SAVE_RESTORE diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index c81183935e97..7fcf3e9b7103 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -929,7 +929,7 @@ const struct dma_map_ops alpha_pci_ops = { .dma_supported = alpha_pci_supported, .mmap = dma_common_mmap, .get_sgtable = dma_common_get_sgtable, - .alloc_pages = dma_common_alloc_pages, + .alloc_pages_op = dma_common_alloc_pages, .free_pages = dma_common_free_pages, }; EXPORT_SYMBOL(alpha_pci_ops); diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c index ccdb508c1516..1f0eb4f25c0f 100644 --- a/arch/alpha/kernel/perf_event.c +++ b/arch/alpha/kernel/perf_event.c @@ -870,7 +870,7 @@ static void alpha_perf_event_irq_handler(unsigned long la_ptr, /* * Init call to initialise performance events at kernel startup. */ -int __init init_hw_perf_events(void) +static int __init init_hw_perf_events(void) { pr_info("Performance events: "); diff --git a/arch/alpha/kernel/proto.h b/arch/alpha/kernel/proto.h index 2c89c1c55712..a8bc3ead776b 100644 --- a/arch/alpha/kernel/proto.h +++ b/arch/alpha/kernel/proto.h @@ -15,13 +15,7 @@ struct pt_regs; struct task_struct; struct pci_dev; struct pci_controller; - -/* core_apecs.c */ -extern struct pci_ops apecs_pci_ops; -extern void apecs_init_arch(void); -extern void apecs_pci_clr_err(void); -extern void apecs_machine_check(unsigned long vector, unsigned long la_ptr); -extern void apecs_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); +struct pci_bus; /* core_cia.c */ extern struct pci_ops cia_pci_ops; @@ -38,12 +32,6 @@ extern int irongate_pci_clr_err(void); extern void irongate_init_arch(void); #define irongate_pci_tbi ((void *)0) -/* core_lca.c */ -extern struct pci_ops lca_pci_ops; -extern void lca_init_arch(void); -extern void lca_machine_check(unsigned long vector, unsigned long la_ptr); -extern void lca_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); - /* core_marvel.c */ extern struct pci_ops marvel_pci_ops; extern void marvel_init_arch(void); @@ -114,6 +102,9 @@ extern int boot_cpuid; #ifdef CONFIG_VERBOSE_MCHECK extern unsigned long alpha_verbose_mcheck; #endif +#ifdef CONFIG_BLK_DEV_INITRD +extern void * __init move_initrd(unsigned long); +#endif extern struct screen_info vgacon_screen_info; /* srmcons.c */ @@ -128,6 +119,7 @@ extern void unregister_srm_console(void); /* smp.c */ extern void setup_smp(void); extern void handle_ipi(struct pt_regs *); +extern void __init smp_callin(void); /* bios32.c */ /* extern void reset_for_srm(void); */ @@ -139,13 +131,13 @@ extern void common_init_rtc(void); extern unsigned long est_cycle_freq; /* smc37c93x.c */ -extern void SMC93x_Init(void); +extern int __init SMC93x_Init(void); /* smc37c669.c */ -extern void SMC669_Init(int); +extern void __init SMC669_Init(int); /* es1888.c */ -extern void es1888_init(void); +extern void __init es1888_init(void); /* ../lib/fpreg.c */ extern void alpha_write_fp_reg (unsigned long reg, unsigned long val); @@ -166,19 +158,37 @@ extern void entSys(void); extern void entUna(void); extern void entDbg(void); +/* pci.c */ +extern void pcibios_claim_one_bus(struct pci_bus *); + /* ptrace.c */ extern int ptrace_set_bpt (struct task_struct *child); extern int ptrace_cancel_bpt (struct task_struct *child); +extern void syscall_trace_leave(void); +extern unsigned long syscall_trace_enter(void); + +/* signal.c */ +struct sigcontext; +extern void do_sigreturn(struct sigcontext __user *); +struct rt_sigframe; +extern void do_rt_sigreturn(struct rt_sigframe __user *); +extern void do_work_pending(struct pt_regs *, unsigned long, unsigned long, unsigned long); /* traps.c */ extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15); extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *); +extern void do_entInt(unsigned long, unsigned long, unsigned long, struct pt_regs *); +extern void do_entArith(unsigned long, unsigned long, struct pt_regs *); +extern void do_entIF(unsigned long, struct pt_regs *); +extern void do_entDbg(struct pt_regs *); +struct allregs; +extern void do_entUna(void *, unsigned long, unsigned long, struct allregs *); +extern void do_entUnaUser(void __user *, unsigned long, unsigned long, struct pt_regs *); /* sys_titan.c */ extern void titan_dispatch_irqs(u64); /* ../mm/init.c */ -extern void switch_to_system_map(void); extern void srm_paging_stop(void); static inline int diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index 0738f9396f95..bebdffafaee8 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -171,35 +171,22 @@ EXPORT_SYMBOL(__direct_map_size); asm(".weak "#X) WEAK(alcor_mv); -WEAK(alphabook1_mv); -WEAK(avanti_mv); -WEAK(cabriolet_mv); WEAK(clipper_mv); WEAK(dp264_mv); WEAK(eb164_mv); -WEAK(eb64p_mv); -WEAK(eb66_mv); -WEAK(eb66p_mv); WEAK(eiger_mv); -WEAK(jensen_mv); WEAK(lx164_mv); -WEAK(lynx_mv); WEAK(marvel_ev7_mv); WEAK(miata_mv); -WEAK(mikasa_mv); WEAK(mikasa_primo_mv); WEAK(monet_mv); WEAK(nautilus_mv); -WEAK(noname_mv); -WEAK(noritake_mv); WEAK(noritake_primo_mv); -WEAK(p2k_mv); WEAK(pc164_mv); WEAK(privateer_mv); WEAK(rawhide_mv); WEAK(ruffian_mv); WEAK(rx164_mv); -WEAK(sable_mv); WEAK(sable_gamma_mv); WEAK(shark_mv); WEAK(sx164_mv); @@ -207,7 +194,6 @@ WEAK(takara_mv); WEAK(titan_mv); WEAK(webbrick_mv); WEAK(wildfire_mv); -WEAK(xl_mv); WEAK(xlt_mv); #undef WEAK @@ -224,7 +210,7 @@ static void __init reserve_std_resources(void) { static struct resource standard_io_resources[] = { - { .name = "rtc", .start = -1, .end = -1 }, + { .name = "rtc", .start = 0x70, .end = 0x7f}, { .name = "dma1", .start = 0x00, .end = 0x1f }, { .name = "pic1", .start = 0x20, .end = 0x3f }, { .name = "timer", .start = 0x40, .end = 0x5f }, @@ -246,10 +232,6 @@ reserve_std_resources(void) } } - /* Fix up for the Jensen's queer RTC placement. */ - standard_io_resources[0].start = RTC_PORT(0); - standard_io_resources[0].end = RTC_PORT(0) + 0x0f; - for (i = 0; i < ARRAY_SIZE(standard_io_resources); ++i) request_resource(io, standard_io_resources+i); } @@ -486,14 +468,7 @@ setup_arch(char **cmdline_p) /* * Locate the command line. */ - /* Hack for Jensen... since we're restricted to 8 or 16 chars for - boot flags depending on the boot mode, we need some shorthand. - This should do for installation. */ - if (strcmp(COMMAND_LINE, "INSTALL") == 0) { - strscpy(command_line, "root=/dev/fd0 load_ramdisk=1", sizeof(command_line)); - } else { - strscpy(command_line, COMMAND_LINE, sizeof(command_line)); - } + strscpy(command_line, COMMAND_LINE, sizeof(command_line)); strcpy(boot_command_line, command_line); *cmdline_p = command_line; @@ -706,12 +681,6 @@ static int eb164_indices[] = {0,0,0,1,1,1,1,1,2,2,2,2,3,3,3,3,4}; static char alcor_names[][16] = {"Alcor", "Maverick", "Bret"}; static int alcor_indices[] = {0,0,0,1,1,1,0,0,0,0,0,0,2,2,2,2,2,2}; -static char eb64p_names[][16] = {"EB64+", "Cabriolet", "AlphaPCI64"}; -static int eb64p_indices[] = {0,0,1,2}; - -static char eb66_names[][8] = {"EB66", "EB66+"}; -static int eb66_indices[] = {0,0,1}; - static char marvel_names[][16] = { "Marvel/EV7" }; @@ -745,26 +714,26 @@ get_sysvec(unsigned long type, unsigned long variation, unsigned long cpu) NULL, /* Ruby */ NULL, /* Flamingo */ NULL, /* Mannequin */ - &jensen_mv, + NULL, /* Jensens */ NULL, /* Pelican */ NULL, /* Morgan */ NULL, /* Sable -- see below. */ NULL, /* Medulla */ - &noname_mv, + NULL, /* Noname */ NULL, /* Turbolaser */ - &avanti_mv, + NULL, /* Avanti */ NULL, /* Mustang */ NULL, /* Alcor, Bret, Maverick. HWRPB inaccurate? */ NULL, /* Tradewind */ NULL, /* Mikasa -- see below. */ NULL, /* EB64 */ - NULL, /* EB66 -- see variation. */ - NULL, /* EB64+ -- see variation. */ - &alphabook1_mv, + NULL, /* EB66 */ + NULL, /* EB64+ */ + NULL, /* Alphabook1 */ &rawhide_mv, NULL, /* K2 */ - &lynx_mv, /* Lynx */ - &xl_mv, + NULL, /* Lynx */ + NULL, /* XL */ NULL, /* EB164 -- see variation. */ NULL, /* Noritake -- see below. */ NULL, /* Cortex */ @@ -803,19 +772,6 @@ get_sysvec(unsigned long type, unsigned long variation, unsigned long cpu) &eb164_mv, &pc164_mv, &lx164_mv, &sx164_mv, &rx164_mv }; - static struct alpha_machine_vector *eb64p_vecs[] __initdata = - { - &eb64p_mv, - &cabriolet_mv, - &cabriolet_mv /* AlphaPCI64 */ - }; - - static struct alpha_machine_vector *eb66_vecs[] __initdata = - { - &eb66_mv, - &eb66p_mv - }; - static struct alpha_machine_vector *marvel_vecs[] __initdata = { &marvel_ev7_mv, @@ -883,14 +839,6 @@ get_sysvec(unsigned long type, unsigned long variation, unsigned long cpu) if (vec == &eb164_mv && cpu == EV56_CPU) vec = &pc164_mv; break; - case ST_DEC_EB64P: - if (member < ARRAY_SIZE(eb64p_indices)) - vec = eb64p_vecs[eb64p_indices[member]]; - break; - case ST_DEC_EB66: - if (member < ARRAY_SIZE(eb66_indices)) - vec = eb66_vecs[eb66_indices[member]]; - break; case ST_DEC_MARVEL: if (member < ARRAY_SIZE(marvel_indices)) vec = marvel_vecs[marvel_indices[member]]; @@ -905,22 +853,13 @@ get_sysvec(unsigned long type, unsigned long variation, unsigned long cpu) vec = tsunami_vecs[tsunami_indices[member]]; break; case ST_DEC_1000: - if (cpu == EV5_CPU || cpu == EV56_CPU) - vec = &mikasa_primo_mv; - else - vec = &mikasa_mv; + vec = &mikasa_primo_mv; break; case ST_DEC_NORITAKE: - if (cpu == EV5_CPU || cpu == EV56_CPU) - vec = &noritake_primo_mv; - else - vec = &noritake_mv; + vec = &noritake_primo_mv; break; case ST_DEC_2100_A500: - if (cpu == EV5_CPU || cpu == EV56_CPU) - vec = &sable_gamma_mv; - else - vec = &sable_mv; + vec = &sable_gamma_mv; break; } } @@ -933,41 +872,27 @@ get_sysvec_byname(const char *name) static struct alpha_machine_vector *all_vecs[] __initdata = { &alcor_mv, - &alphabook1_mv, - &avanti_mv, - &cabriolet_mv, &clipper_mv, &dp264_mv, &eb164_mv, - &eb64p_mv, - &eb66_mv, - &eb66p_mv, &eiger_mv, - &jensen_mv, &lx164_mv, - &lynx_mv, &miata_mv, - &mikasa_mv, &mikasa_primo_mv, &monet_mv, &nautilus_mv, - &noname_mv, - &noritake_mv, &noritake_primo_mv, - &p2k_mv, &pc164_mv, &privateer_mv, &rawhide_mv, &ruffian_mv, &rx164_mv, - &sable_mv, &sable_gamma_mv, &shark_mv, &sx164_mv, &takara_mv, &webbrick_mv, &wildfire_mv, - &xl_mv, &xlt_mv }; @@ -1029,14 +954,6 @@ get_sysnames(unsigned long type, unsigned long variation, unsigned long cpu, if (member < ARRAY_SIZE(alcor_indices)) *variation_name = alcor_names[alcor_indices[member]]; break; - case ST_DEC_EB64P: - if (member < ARRAY_SIZE(eb64p_indices)) - *variation_name = eb64p_names[eb64p_indices[member]]; - break; - case ST_DEC_EB66: - if (member < ARRAY_SIZE(eb66_indices)) - *variation_name = eb66_names[eb66_indices[member]]; - break; case ST_DEC_MARVEL: if (member < ARRAY_SIZE(marvel_indices)) *variation_name = marvel_names[marvel_indices[member]]; diff --git a/arch/alpha/kernel/smc37c669.c b/arch/alpha/kernel/smc37c669.c index bbbd34586de0..a5a6ed97a6ce 100644 --- a/arch/alpha/kernel/smc37c669.c +++ b/arch/alpha/kernel/smc37c669.c @@ -11,6 +11,8 @@ #include <asm/hwrpb.h> #include <asm/io.h> +#include "proto.h" + #if 0 # define DBG_DEVS(args) printk args #else @@ -2430,13 +2432,15 @@ int __init smcc669_write( struct FILE *fp, int size, int number, unsigned char * } #endif -void __init +#if SMC_DEBUG +static void __init SMC37c669_dump_registers(void) { int i; for (i = 0; i <= 0x29; i++) printk("-- CR%02x : %02x\n", i, SMC37c669_read_config(i)); } +#endif /*+ * ============================================================================ * = SMC_init - SMC37c669 Super I/O controller initialization = diff --git a/arch/alpha/kernel/smc37c93x.c b/arch/alpha/kernel/smc37c93x.c index 71cd7aca38ce..8028273f0d16 100644 --- a/arch/alpha/kernel/smc37c93x.c +++ b/arch/alpha/kernel/smc37c93x.c @@ -12,6 +12,8 @@ #include <asm/hwrpb.h> #include <asm/io.h> +#include "proto.h" + #define SMC_DEBUG 0 #if SMC_DEBUG diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 8e9dd63b220c..ed06367ece57 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -38,6 +38,7 @@ #include <asm/irq.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> +#include <asm/cacheflush.h> #include "proto.h" #include "irq_impl.h" diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c index feaf89f6936b..3e61073f4b30 100644 --- a/arch/alpha/kernel/srmcons.c +++ b/arch/alpha/kernel/srmcons.c @@ -21,6 +21,8 @@ #include <asm/console.h> #include <linux/uaccess.h> +#include "proto.h" + static DEFINE_SPINLOCK(srmcons_callback_lock); static int srm_is_registered_console = 0; diff --git a/arch/alpha/kernel/sys_cabriolet.c b/arch/alpha/kernel/sys_cabriolet.c index 47459b73cdb7..54e75d4fdbe3 100644 --- a/arch/alpha/kernel/sys_cabriolet.c +++ b/arch/alpha/kernel/sys_cabriolet.c @@ -6,8 +6,7 @@ * Copyright (C) 1996 Jay A Estabrook * Copyright (C) 1998, 1999, 2000 Richard Henderson * - * Code supporting the Cabriolet (AlphaPC64), EB66+, and EB164, - * PC164 and LX164. + * Code supporting the PC164 and LX164. */ #include <linux/kernel.h> @@ -23,9 +22,7 @@ #include <asm/irq.h> #include <asm/mmu_context.h> #include <asm/io.h> -#include <asm/core_apecs.h> #include <asm/core_cia.h> -#include <asm/core_lca.h> #include <asm/tlbflush.h> #include "proto.h" @@ -233,13 +230,6 @@ cabriolet_enable_ide(void) } static inline void __init -cabriolet_init_pci(void) -{ - common_init_pci(); - cabriolet_enable_ide(); -} - -static inline void __init cia_cab_init_pci(void) { cia_init_pci(); @@ -317,81 +307,6 @@ alphapc164_init_pci(void) * The System Vector */ -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_CABRIOLET) -struct alpha_machine_vector cabriolet_mv __initmv = { - .vector_name = "Cabriolet", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_APECS_IO, - .machine_check = apecs_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = APECS_AND_LCA_DEFAULT_MEM_BASE, - - .nr_irqs = 35, - .device_interrupt = cabriolet_device_interrupt, - - .init_arch = apecs_init_arch, - .init_irq = cabriolet_init_irq, - .init_rtc = common_init_rtc, - .init_pci = cabriolet_init_pci, - .pci_map_irq = cabriolet_map_irq, - .pci_swizzle = common_swizzle, -}; -#ifndef CONFIG_ALPHA_EB64P -ALIAS_MV(cabriolet) -#endif -#endif - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EB164) -struct alpha_machine_vector eb164_mv __initmv = { - .vector_name = "EB164", - DO_EV5_MMU, - DO_DEFAULT_RTC, - DO_CIA_IO, - .machine_check = cia_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = CIA_DEFAULT_MEM_BASE, - - .nr_irqs = 35, - .device_interrupt = cabriolet_device_interrupt, - - .init_arch = cia_init_arch, - .init_irq = cabriolet_init_irq, - .init_rtc = common_init_rtc, - .init_pci = cia_cab_init_pci, - .kill_arch = cia_kill_arch, - .pci_map_irq = cabriolet_map_irq, - .pci_swizzle = common_swizzle, -}; -ALIAS_MV(eb164) -#endif - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EB66P) -struct alpha_machine_vector eb66p_mv __initmv = { - .vector_name = "EB66+", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_LCA_IO, - .machine_check = lca_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = APECS_AND_LCA_DEFAULT_MEM_BASE, - - .nr_irqs = 35, - .device_interrupt = cabriolet_device_interrupt, - - .init_arch = lca_init_arch, - .init_irq = cabriolet_init_irq, - .init_rtc = common_init_rtc, - .init_pci = cabriolet_init_pci, - .pci_map_irq = eb66p_map_irq, - .pci_swizzle = common_swizzle, -}; -ALIAS_MV(eb66p) -#endif - #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_LX164) struct alpha_machine_vector lx164_mv __initmv = { .vector_name = "LX164", diff --git a/arch/alpha/kernel/sys_eb64p.c b/arch/alpha/kernel/sys_eb64p.c deleted file mode 100644 index 3c43fd347526..000000000000 --- a/arch/alpha/kernel/sys_eb64p.c +++ /dev/null @@ -1,238 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/alpha/kernel/sys_eb64p.c - * - * Copyright (C) 1995 David A Rusling - * Copyright (C) 1996 Jay A Estabrook - * Copyright (C) 1998, 1999 Richard Henderson - * - * Code supporting the EB64+ and EB66. - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/bitops.h> - -#include <asm/ptrace.h> -#include <asm/dma.h> -#include <asm/irq.h> -#include <asm/mmu_context.h> -#include <asm/io.h> -#include <asm/core_apecs.h> -#include <asm/core_lca.h> -#include <asm/hwrpb.h> -#include <asm/tlbflush.h> - -#include "proto.h" -#include "irq_impl.h" -#include "pci_impl.h" -#include "machvec_impl.h" - - -/* Note mask bit is true for DISABLED irqs. */ -static unsigned int cached_irq_mask = -1; - -static inline void -eb64p_update_irq_hw(unsigned int irq, unsigned long mask) -{ - outb(mask >> (irq >= 24 ? 24 : 16), (irq >= 24 ? 0x27 : 0x26)); -} - -static inline void -eb64p_enable_irq(struct irq_data *d) -{ - eb64p_update_irq_hw(d->irq, cached_irq_mask &= ~(1 << d->irq)); -} - -static void -eb64p_disable_irq(struct irq_data *d) -{ - eb64p_update_irq_hw(d->irq, cached_irq_mask |= 1 << d->irq); -} - -static struct irq_chip eb64p_irq_type = { - .name = "EB64P", - .irq_unmask = eb64p_enable_irq, - .irq_mask = eb64p_disable_irq, - .irq_mask_ack = eb64p_disable_irq, -}; - -static void -eb64p_device_interrupt(unsigned long vector) -{ - unsigned long pld; - unsigned int i; - - /* Read the interrupt summary registers */ - pld = inb(0x26) | (inb(0x27) << 8); - - /* - * Now, for every possible bit set, work through - * them and call the appropriate interrupt handler. - */ - while (pld) { - i = ffz(~pld); - pld &= pld - 1; /* clear least bit set */ - - if (i == 5) { - isa_device_interrupt(vector); - } else { - handle_irq(16 + i); - } - } -} - -static void __init -eb64p_init_irq(void) -{ - long i; - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_CABRIOLET) - /* - * CABRIO SRM may not set variation correctly, so here we test - * the high word of the interrupt summary register for the RAZ - * bits, and hope that a true EB64+ would read all ones... - */ - if (inw(0x806) != 0xffff) { - extern struct alpha_machine_vector cabriolet_mv; - - printk("Detected Cabriolet: correcting HWRPB.\n"); - - hwrpb->sys_variation |= 2L << 10; - hwrpb_update_checksum(hwrpb); - - alpha_mv = cabriolet_mv; - alpha_mv.init_irq(); - return; - } -#endif /* GENERIC */ - - outb(0xff, 0x26); - outb(0xff, 0x27); - - init_i8259a_irqs(); - - for (i = 16; i < 32; ++i) { - irq_set_chip_and_handler(i, &eb64p_irq_type, handle_level_irq); - irq_set_status_flags(i, IRQ_LEVEL); - } - - common_init_isa_dma(); - if (request_irq(16 + 5, no_action, 0, "isa-cascade", NULL)) - pr_err("Failed to register isa-cascade interrupt\n"); -} - -/* - * PCI Fixup configuration. - * - * There are two 8 bit external summary registers as follows: - * - * Summary @ 0x26: - * Bit Meaning - * 0 Interrupt Line A from slot 0 - * 1 Interrupt Line A from slot 1 - * 2 Interrupt Line B from slot 0 - * 3 Interrupt Line B from slot 1 - * 4 Interrupt Line C from slot 0 - * 5 Interrupt line from the two ISA PICs - * 6 Tulip - * 7 NCR SCSI - * - * Summary @ 0x27 - * Bit Meaning - * 0 Interrupt Line C from slot 1 - * 1 Interrupt Line D from slot 0 - * 2 Interrupt Line D from slot 1 - * 3 RAZ - * 4 RAZ - * 5 RAZ - * 6 RAZ - * 7 RAZ - * - * The device to slot mapping looks like: - * - * Slot Device - * 5 NCR SCSI controller - * 6 PCI on board slot 0 - * 7 PCI on board slot 1 - * 8 Intel SIO PCI-ISA bridge chip - * 9 Tulip - DECchip 21040 Ethernet controller - * - * - * This two layered interrupt approach means that we allocate IRQ 16 and - * above for PCI interrupts. The IRQ relates to which bit the interrupt - * comes in on. This makes interrupt processing much easier. - */ - -static int -eb64p_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - static char irq_tab[5][5] = { - /*INT INTA INTB INTC INTD */ - {16+7, 16+7, 16+7, 16+7, 16+7}, /* IdSel 5, slot ?, ?? */ - {16+0, 16+0, 16+2, 16+4, 16+9}, /* IdSel 6, slot ?, ?? */ - {16+1, 16+1, 16+3, 16+8, 16+10}, /* IdSel 7, slot ?, ?? */ - { -1, -1, -1, -1, -1}, /* IdSel 8, SIO */ - {16+6, 16+6, 16+6, 16+6, 16+6}, /* IdSel 9, TULIP */ - }; - const long min_idsel = 5, max_idsel = 9, irqs_per_slot = 5; - return COMMON_TABLE_LOOKUP; -} - - -/* - * The System Vector - */ - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EB64P) -struct alpha_machine_vector eb64p_mv __initmv = { - .vector_name = "EB64+", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_APECS_IO, - .machine_check = apecs_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = APECS_AND_LCA_DEFAULT_MEM_BASE, - - .nr_irqs = 32, - .device_interrupt = eb64p_device_interrupt, - - .init_arch = apecs_init_arch, - .init_irq = eb64p_init_irq, - .init_rtc = common_init_rtc, - .init_pci = common_init_pci, - .kill_arch = NULL, - .pci_map_irq = eb64p_map_irq, - .pci_swizzle = common_swizzle, -}; -ALIAS_MV(eb64p) -#endif - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EB66) -struct alpha_machine_vector eb66_mv __initmv = { - .vector_name = "EB66", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_LCA_IO, - .machine_check = lca_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = APECS_AND_LCA_DEFAULT_MEM_BASE, - - .nr_irqs = 32, - .device_interrupt = eb64p_device_interrupt, - - .init_arch = lca_init_arch, - .init_irq = eb64p_init_irq, - .init_rtc = common_init_rtc, - .init_pci = common_init_pci, - .pci_map_irq = eb64p_map_irq, - .pci_swizzle = common_swizzle, -}; -ALIAS_MV(eb66) -#endif diff --git a/arch/alpha/kernel/sys_jensen.c b/arch/alpha/kernel/sys_jensen.c deleted file mode 100644 index 5c9c88428124..000000000000 --- a/arch/alpha/kernel/sys_jensen.c +++ /dev/null @@ -1,237 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/alpha/kernel/sys_jensen.c - * - * Copyright (C) 1995 Linus Torvalds - * Copyright (C) 1998, 1999 Richard Henderson - * - * Code supporting the Jensen. - */ -#define __EXTERN_INLINE -#include <asm/io.h> -#include <asm/jensen.h> -#undef __EXTERN_INLINE - -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/pci.h> -#include <linux/init.h> - -#include <asm/ptrace.h> - -#include <asm/dma.h> -#include <asm/irq.h> -#include <asm/mmu_context.h> -#include <asm/tlbflush.h> - -#include "proto.h" -#include "irq_impl.h" -#include "pci_impl.h" -#include "machvec_impl.h" - - -/* - * Jensen is special: the vector is 0x8X0 for EISA interrupt X, and - * 0x9X0 for the local motherboard interrupts. - * - * Note especially that those local interrupts CANNOT be masked, - * which causes much of the pain below... - * - * 0x660 - NMI - * - * 0x800 - IRQ0 interval timer (not used, as we use the RTC timer) - * 0x810 - IRQ1 line printer (duh..) - * 0x860 - IRQ6 floppy disk - * - * 0x900 - COM1 - * 0x920 - COM2 - * 0x980 - keyboard - * 0x990 - mouse - * - * PCI-based systems are more sane: they don't have the local - * interrupts at all, and have only normal PCI interrupts from - * devices. Happily it's easy enough to do a sane mapping from the - * Jensen. - * - * Note that this means that we may have to do a hardware - * "local_op" to a different interrupt than we report to the rest of the - * world. - */ - -static void -jensen_local_enable(struct irq_data *d) -{ - /* the parport is really hw IRQ 1, silly Jensen. */ - if (d->irq == 7) - i8259a_enable_irq(d); -} - -static void -jensen_local_disable(struct irq_data *d) -{ - /* the parport is really hw IRQ 1, silly Jensen. */ - if (d->irq == 7) - i8259a_disable_irq(d); -} - -static void -jensen_local_mask_ack(struct irq_data *d) -{ - /* the parport is really hw IRQ 1, silly Jensen. */ - if (d->irq == 7) - i8259a_mask_and_ack_irq(d); -} - -static struct irq_chip jensen_local_irq_type = { - .name = "LOCAL", - .irq_unmask = jensen_local_enable, - .irq_mask = jensen_local_disable, - .irq_mask_ack = jensen_local_mask_ack, -}; - -static void -jensen_device_interrupt(unsigned long vector) -{ - int irq; - - switch (vector) { - case 0x660: - printk("Whee.. NMI received. Probable hardware error\n"); - printk("61=%02x, 461=%02x\n", inb(0x61), inb(0x461)); - return; - - /* local device interrupts: */ - case 0x900: irq = 4; break; /* com1 -> irq 4 */ - case 0x920: irq = 3; break; /* com2 -> irq 3 */ - case 0x980: irq = 1; break; /* kbd -> irq 1 */ - case 0x990: irq = 9; break; /* mouse -> irq 9 */ - - default: - if (vector > 0x900) { - printk("Unknown local interrupt %lx\n", vector); - return; - } - - irq = (vector - 0x800) >> 4; - if (irq == 1) - irq = 7; - break; - } - - /* If there is no handler yet... */ - if (!irq_has_action(irq)) { - /* If it is a local interrupt that cannot be masked... */ - if (vector >= 0x900) - { - /* Clear keyboard/mouse state */ - inb(0x64); - inb(0x60); - /* Reset serial ports */ - inb(0x3fa); - inb(0x2fa); - outb(0x0c, 0x3fc); - outb(0x0c, 0x2fc); - /* Clear NMI */ - outb(0,0x61); - outb(0,0x461); - } - } - -#if 0 - /* A useful bit of code to find out if an interrupt is going wild. */ - { - static unsigned int last_msg = 0, last_cc = 0; - static int last_irq = -1, count = 0; - unsigned int cc; - - __asm __volatile("rpcc %0" : "=r"(cc)); - ++count; -#define JENSEN_CYCLES_PER_SEC (150000000) - if (cc - last_msg > ((JENSEN_CYCLES_PER_SEC) * 3) || - irq != last_irq) { - printk(KERN_CRIT " irq %d count %d cc %u @ %lx\n", - irq, count, cc-last_cc, get_irq_regs()->pc); - count = 0; - last_msg = cc; - last_irq = irq; - } - last_cc = cc; - } -#endif - - handle_irq(irq); -} - -static void __init -jensen_init_irq(void) -{ - init_i8259a_irqs(); - - irq_set_chip_and_handler(1, &jensen_local_irq_type, handle_level_irq); - irq_set_chip_and_handler(4, &jensen_local_irq_type, handle_level_irq); - irq_set_chip_and_handler(3, &jensen_local_irq_type, handle_level_irq); - irq_set_chip_and_handler(7, &jensen_local_irq_type, handle_level_irq); - irq_set_chip_and_handler(9, &jensen_local_irq_type, handle_level_irq); - - common_init_isa_dma(); -} - -static void __init -jensen_init_arch(void) -{ - struct pci_controller *hose; -#ifdef CONFIG_PCI - static struct pci_dev fake_isa_bridge = { .dma_mask = 0xffffffffUL, }; - - isa_bridge = &fake_isa_bridge; -#endif - - /* Create a hose so that we can report i/o base addresses to - userland. */ - - pci_isa_hose = hose = alloc_pci_controller(); - hose->io_space = &ioport_resource; - hose->mem_space = &iomem_resource; - hose->index = 0; - - hose->sparse_mem_base = EISA_MEM - IDENT_ADDR; - hose->dense_mem_base = 0; - hose->sparse_io_base = EISA_IO - IDENT_ADDR; - hose->dense_io_base = 0; - - hose->sg_isa = hose->sg_pci = NULL; - __direct_map_base = 0; - __direct_map_size = 0xffffffff; -} - -static void -jensen_machine_check(unsigned long vector, unsigned long la) -{ - printk(KERN_CRIT "Machine check\n"); -} - -/* - * The System Vector - */ - -struct alpha_machine_vector jensen_mv __initmv = { - .vector_name = "Jensen", - DO_EV4_MMU, - IO_LITE(JENSEN,jensen), - .machine_check = jensen_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .rtc_port = 0x170, - - .nr_irqs = 16, - .device_interrupt = jensen_device_interrupt, - - .init_arch = jensen_init_arch, - .init_irq = jensen_init_irq, - .init_rtc = common_init_rtc, - .init_pci = NULL, - .kill_arch = NULL, -}; -ALIAS_MV(jensen) diff --git a/arch/alpha/kernel/sys_mikasa.c b/arch/alpha/kernel/sys_mikasa.c index 7690dfd57cb6..557802398231 100644 --- a/arch/alpha/kernel/sys_mikasa.c +++ b/arch/alpha/kernel/sys_mikasa.c @@ -23,7 +23,6 @@ #include <asm/irq.h> #include <asm/mmu_context.h> #include <asm/io.h> -#include <asm/core_apecs.h> #include <asm/core_cia.h> #include <asm/tlbflush.h> @@ -164,64 +163,9 @@ mikasa_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } -#if defined(CONFIG_ALPHA_GENERIC) || !defined(CONFIG_ALPHA_PRIMO) -static void -mikasa_apecs_machine_check(unsigned long vector, unsigned long la_ptr) -{ -#define MCHK_NO_DEVSEL 0x205U -#define MCHK_NO_TABT 0x204U - - struct el_common *mchk_header; - unsigned int code; - - mchk_header = (struct el_common *)la_ptr; - - /* Clear the error before any reporting. */ - mb(); - mb(); /* magic */ - draina(); - apecs_pci_clr_err(); - wrmces(0x7); - mb(); - - code = mchk_header->code; - process_mcheck_info(vector, la_ptr, "MIKASA APECS", - (mcheck_expected(0) - && (code == MCHK_NO_DEVSEL - || code == MCHK_NO_TABT))); -} -#endif - - /* * The System Vector */ - -#if defined(CONFIG_ALPHA_GENERIC) || !defined(CONFIG_ALPHA_PRIMO) -struct alpha_machine_vector mikasa_mv __initmv = { - .vector_name = "Mikasa", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_APECS_IO, - .machine_check = mikasa_apecs_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = APECS_AND_LCA_DEFAULT_MEM_BASE, - - .nr_irqs = 32, - .device_interrupt = mikasa_device_interrupt, - - .init_arch = apecs_init_arch, - .init_irq = mikasa_init_irq, - .init_rtc = common_init_rtc, - .init_pci = common_init_pci, - .pci_map_irq = mikasa_map_irq, - .pci_swizzle = common_swizzle, -}; -ALIAS_MV(mikasa) -#endif - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_PRIMO) struct alpha_machine_vector mikasa_primo_mv __initmv = { .vector_name = "Mikasa-Primo", DO_EV5_MMU, @@ -244,4 +188,3 @@ struct alpha_machine_vector mikasa_primo_mv __initmv = { .pci_swizzle = common_swizzle, }; ALIAS_MV(mikasa_primo) -#endif diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c index 96fd6ff3fe81..13b79960b4b9 100644 --- a/arch/alpha/kernel/sys_nautilus.c +++ b/arch/alpha/kernel/sys_nautilus.c @@ -78,7 +78,7 @@ nautilus_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return irq; } -void +static void nautilus_kill_arch(int mode) { struct pci_bus *bus = pci_isa_hose->bus; @@ -127,7 +127,7 @@ naut_sys_machine_check(unsigned long vector, unsigned long la_ptr, /* Machine checks can come from two sources - those on the CPU and those in the system. They are analysed separately but all starts here. */ -void +static void nautilus_machine_check(unsigned long vector, unsigned long la_ptr) { char *mchk_class; @@ -184,8 +184,6 @@ nautilus_machine_check(unsigned long vector, unsigned long la_ptr) mb(); } -extern void pcibios_claim_one_bus(struct pci_bus *); - static struct resource irongate_mem = { .name = "Irongate PCI MEM", .flags = IORESOURCE_MEM, @@ -197,7 +195,7 @@ static struct resource busn_resource = { .flags = IORESOURCE_BUS, }; -void __init +static void __init nautilus_init_pci(void) { struct pci_controller *hose = hose_head; diff --git a/arch/alpha/kernel/sys_noritake.c b/arch/alpha/kernel/sys_noritake.c index 47f3ce4f719a..eed3f16561c0 100644 --- a/arch/alpha/kernel/sys_noritake.c +++ b/arch/alpha/kernel/sys_noritake.c @@ -24,7 +24,6 @@ #include <asm/irq.h> #include <asm/mmu_context.h> #include <asm/io.h> -#include <asm/core_apecs.h> #include <asm/core_cia.h> #include <asm/tlbflush.h> @@ -253,64 +252,6 @@ noritake_swizzle(struct pci_dev *dev, u8 *pinp) return slot; } -#if defined(CONFIG_ALPHA_GENERIC) || !defined(CONFIG_ALPHA_PRIMO) -static void -noritake_apecs_machine_check(unsigned long vector, unsigned long la_ptr) -{ -#define MCHK_NO_DEVSEL 0x205U -#define MCHK_NO_TABT 0x204U - - struct el_common *mchk_header; - unsigned int code; - - mchk_header = (struct el_common *)la_ptr; - - /* Clear the error before any reporting. */ - mb(); - mb(); /* magic */ - draina(); - apecs_pci_clr_err(); - wrmces(0x7); - mb(); - - code = mchk_header->code; - process_mcheck_info(vector, la_ptr, "NORITAKE APECS", - (mcheck_expected(0) - && (code == MCHK_NO_DEVSEL - || code == MCHK_NO_TABT))); -} -#endif - - -/* - * The System Vectors - */ - -#if defined(CONFIG_ALPHA_GENERIC) || !defined(CONFIG_ALPHA_PRIMO) -struct alpha_machine_vector noritake_mv __initmv = { - .vector_name = "Noritake", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_APECS_IO, - .machine_check = noritake_apecs_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = EISA_DEFAULT_IO_BASE, - .min_mem_address = APECS_AND_LCA_DEFAULT_MEM_BASE, - - .nr_irqs = 48, - .device_interrupt = noritake_device_interrupt, - - .init_arch = apecs_init_arch, - .init_irq = noritake_init_irq, - .init_rtc = common_init_rtc, - .init_pci = common_init_pci, - .pci_map_irq = noritake_map_irq, - .pci_swizzle = noritake_swizzle, -}; -ALIAS_MV(noritake) -#endif - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_PRIMO) struct alpha_machine_vector noritake_primo_mv __initmv = { .vector_name = "Noritake-Primo", DO_EV5_MMU, @@ -333,4 +274,3 @@ struct alpha_machine_vector noritake_primo_mv __initmv = { .pci_swizzle = noritake_swizzle, }; ALIAS_MV(noritake_primo) -#endif diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c index 930005b2f630..49f5c75134ec 100644 --- a/arch/alpha/kernel/sys_sable.c +++ b/arch/alpha/kernel/sys_sable.c @@ -212,232 +212,6 @@ sable_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } #endif /* defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SABLE) */ -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_LYNX) - -/***********************************************************************/ -/* LYNX hardware specifics - */ -/* - * For LYNX, which is also baroque, we manage 64 IRQs, via a custom IC. - * - * Bit Meaning Kernel IRQ - *------------------------------------------ - * 0 - * 1 - * 2 - * 3 mouse 12 - * 4 - * 5 - * 6 keyboard 1 - * 7 floppy 6 - * 8 COM2 3 - * 9 parallel port 7 - *10 EISA irq 3 - - *11 EISA irq 4 - - *12 EISA irq 5 5 - *13 EISA irq 6 - - *14 EISA irq 7 - - *15 COM1 4 - *16 EISA irq 9 9 - *17 EISA irq 10 10 - *18 EISA irq 11 11 - *19 EISA irq 12 - - *20 - *21 EISA irq 14 14 - *22 EISA irq 15 15 - *23 IIC - - *24 VGA (builtin) - - *25 - *26 - *27 - *28 NCR810 (builtin) 28 - *29 - *30 - *31 - *32 PCI 0 slot 4 A primary bus 32 - *33 PCI 0 slot 4 B primary bus 33 - *34 PCI 0 slot 4 C primary bus 34 - *35 PCI 0 slot 4 D primary bus - *36 PCI 0 slot 5 A primary bus - *37 PCI 0 slot 5 B primary bus - *38 PCI 0 slot 5 C primary bus - *39 PCI 0 slot 5 D primary bus - *40 PCI 0 slot 6 A primary bus - *41 PCI 0 slot 6 B primary bus - *42 PCI 0 slot 6 C primary bus - *43 PCI 0 slot 6 D primary bus - *44 PCI 0 slot 7 A primary bus - *45 PCI 0 slot 7 B primary bus - *46 PCI 0 slot 7 C primary bus - *47 PCI 0 slot 7 D primary bus - *48 PCI 0 slot 0 A secondary bus - *49 PCI 0 slot 0 B secondary bus - *50 PCI 0 slot 0 C secondary bus - *51 PCI 0 slot 0 D secondary bus - *52 PCI 0 slot 1 A secondary bus - *53 PCI 0 slot 1 B secondary bus - *54 PCI 0 slot 1 C secondary bus - *55 PCI 0 slot 1 D secondary bus - *56 PCI 0 slot 2 A secondary bus - *57 PCI 0 slot 2 B secondary bus - *58 PCI 0 slot 2 C secondary bus - *59 PCI 0 slot 2 D secondary bus - *60 PCI 0 slot 3 A secondary bus - *61 PCI 0 slot 3 B secondary bus - *62 PCI 0 slot 3 C secondary bus - *63 PCI 0 slot 3 D secondary bus - */ - -static void -lynx_update_irq_hw(unsigned long bit, unsigned long mask) -{ - /* - * Write the AIR register on the T3/T4 with the - * address of the IC mask register (offset 0x40) - */ - *(vulp)T2_AIR = 0x40; - mb(); - *(vulp)T2_AIR; /* re-read to force write */ - mb(); - *(vulp)T2_DIR = mask; - mb(); - mb(); -} - -static void -lynx_ack_irq_hw(unsigned long bit) -{ - *(vulp)T2_VAR = (u_long) bit; - mb(); - mb(); -} - -static irq_swizzle_t lynx_irq_swizzle = { - { /* irq_to_mask */ - -1, 6, -1, 8, 15, 12, 7, 9, /* pseudo PIC 0-7 */ - -1, 16, 17, 18, 3, -1, 21, 22, /* pseudo PIC 8-15 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* pseudo */ - -1, -1, -1, -1, 28, -1, -1, -1, /* pseudo */ - 32, 33, 34, 35, 36, 37, 38, 39, /* mask 32-39 */ - 40, 41, 42, 43, 44, 45, 46, 47, /* mask 40-47 */ - 48, 49, 50, 51, 52, 53, 54, 55, /* mask 48-55 */ - 56, 57, 58, 59, 60, 61, 62, 63 /* mask 56-63 */ - }, - { /* mask_to_irq */ - -1, -1, -1, 12, -1, -1, 1, 6, /* mask 0-7 */ - 3, 7, -1, -1, 5, -1, -1, 4, /* mask 8-15 */ - 9, 10, 11, -1, -1, 14, 15, -1, /* mask 16-23 */ - -1, -1, -1, -1, 28, -1, -1, -1, /* mask 24-31 */ - 32, 33, 34, 35, 36, 37, 38, 39, /* mask 32-39 */ - 40, 41, 42, 43, 44, 45, 46, 47, /* mask 40-47 */ - 48, 49, 50, 51, 52, 53, 54, 55, /* mask 48-55 */ - 56, 57, 58, 59, 60, 61, 62, 63 /* mask 56-63 */ - }, - -1, - lynx_update_irq_hw, - lynx_ack_irq_hw -}; - -static void __init -lynx_init_irq(void) -{ - sable_lynx_irq_swizzle = &lynx_irq_swizzle; - sable_lynx_init_irq(64); -} - -/* - * PCI Fixup configuration for ALPHA LYNX (2100A) - * - * The device to slot mapping looks like: - * - * Slot Device - * 0 none - * 1 none - * 2 PCI-EISA bridge - * 3 PCI-PCI bridge - * 4 NCR 810 (Demi-Lynx only) - * 5 none - * 6 PCI on board slot 4 - * 7 PCI on board slot 5 - * 8 PCI on board slot 6 - * 9 PCI on board slot 7 - * - * And behind the PPB we have: - * - * 11 PCI on board slot 0 - * 12 PCI on board slot 1 - * 13 PCI on board slot 2 - * 14 PCI on board slot 3 - */ -/* - * NOTE: the IRQ assignments below are arbitrary, but need to be consistent - * with the values in the irq swizzling tables above. - */ - -static int -lynx_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - static char irq_tab[19][5] = { - /*INT INTA INTB INTC INTD */ - { -1, -1, -1, -1, -1}, /* IdSel 13, PCEB */ - { -1, -1, -1, -1, -1}, /* IdSel 14, PPB */ - { 28, 28, 28, 28, 28}, /* IdSel 15, NCR demi */ - { -1, -1, -1, -1, -1}, /* IdSel 16, none */ - { 32, 32, 33, 34, 35}, /* IdSel 17, slot 4 */ - { 36, 36, 37, 38, 39}, /* IdSel 18, slot 5 */ - { 40, 40, 41, 42, 43}, /* IdSel 19, slot 6 */ - { 44, 44, 45, 46, 47}, /* IdSel 20, slot 7 */ - { -1, -1, -1, -1, -1}, /* IdSel 22, none */ - /* The following are actually behind the PPB. */ - { -1, -1, -1, -1, -1}, /* IdSel 16 none */ - { 28, 28, 28, 28, 28}, /* IdSel 17 NCR lynx */ - { -1, -1, -1, -1, -1}, /* IdSel 18 none */ - { -1, -1, -1, -1, -1}, /* IdSel 19 none */ - { -1, -1, -1, -1, -1}, /* IdSel 20 none */ - { -1, -1, -1, -1, -1}, /* IdSel 21 none */ - { 48, 48, 49, 50, 51}, /* IdSel 22 slot 0 */ - { 52, 52, 53, 54, 55}, /* IdSel 23 slot 1 */ - { 56, 56, 57, 58, 59}, /* IdSel 24 slot 2 */ - { 60, 60, 61, 62, 63} /* IdSel 25 slot 3 */ - }; - const long min_idsel = 2, max_idsel = 20, irqs_per_slot = 5; - return COMMON_TABLE_LOOKUP; -} - -static u8 -lynx_swizzle(struct pci_dev *dev, u8 *pinp) -{ - int slot, pin = *pinp; - - if (dev->bus->number == 0) { - slot = PCI_SLOT(dev->devfn); - } - /* Check for the built-in bridge */ - else if (PCI_SLOT(dev->bus->self->devfn) == 3) { - slot = PCI_SLOT(dev->devfn) + 11; - } - else - { - /* Must be a card-based bridge. */ - do { - if (PCI_SLOT(dev->bus->self->devfn) == 3) { - slot = PCI_SLOT(dev->devfn) + 11; - break; - } - pin = pci_swizzle_interrupt_pin(dev, pin); - - /* Move up the chain of bridges. */ - dev = dev->bus->self; - /* Slot of the next bridge. */ - slot = PCI_SLOT(dev->devfn); - } while (dev->bus->self); - } - *pinp = pin; - return slot; -} - -#endif /* defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_LYNX) */ - /***********************************************************************/ /* GENERIC irq routines */ @@ -539,40 +313,7 @@ sable_lynx_init_pci(void) * these games with GAMMA_BIAS. */ -#if defined(CONFIG_ALPHA_GENERIC) || \ - (defined(CONFIG_ALPHA_SABLE) && !defined(CONFIG_ALPHA_GAMMA)) -#undef GAMMA_BIAS -#define GAMMA_BIAS 0 -struct alpha_machine_vector sable_mv __initmv = { - .vector_name = "Sable", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_T2_IO, - .machine_check = t2_machine_check, - .max_isa_dma_address = ALPHA_SABLE_MAX_ISA_DMA_ADDRESS, - .min_io_address = EISA_DEFAULT_IO_BASE, - .min_mem_address = T2_DEFAULT_MEM_BASE, - - .nr_irqs = 40, - .device_interrupt = sable_lynx_srm_device_interrupt, - - .init_arch = t2_init_arch, - .init_irq = sable_init_irq, - .init_rtc = common_init_rtc, - .init_pci = sable_lynx_init_pci, - .kill_arch = t2_kill_arch, - .pci_map_irq = sable_map_irq, - .pci_swizzle = common_swizzle, - - .sys = { .t2 = { - .gamma_bias = 0 - } } -}; -ALIAS_MV(sable) -#endif /* GENERIC || (SABLE && !GAMMA) */ - -#if defined(CONFIG_ALPHA_GENERIC) || \ - (defined(CONFIG_ALPHA_SABLE) && defined(CONFIG_ALPHA_GAMMA)) +#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SABLE) #undef GAMMA_BIAS #define GAMMA_BIAS _GAMMA_BIAS struct alpha_machine_vector sable_gamma_mv __initmv = { @@ -601,35 +342,4 @@ struct alpha_machine_vector sable_gamma_mv __initmv = { } } }; ALIAS_MV(sable_gamma) -#endif /* GENERIC || (SABLE && GAMMA) */ - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_LYNX) -#undef GAMMA_BIAS -#define GAMMA_BIAS _GAMMA_BIAS -struct alpha_machine_vector lynx_mv __initmv = { - .vector_name = "Lynx", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_T2_IO, - .machine_check = t2_machine_check, - .max_isa_dma_address = ALPHA_SABLE_MAX_ISA_DMA_ADDRESS, - .min_io_address = EISA_DEFAULT_IO_BASE, - .min_mem_address = T2_DEFAULT_MEM_BASE, - - .nr_irqs = 64, - .device_interrupt = sable_lynx_srm_device_interrupt, - - .init_arch = t2_init_arch, - .init_irq = lynx_init_irq, - .init_rtc = common_init_rtc, - .init_pci = sable_lynx_init_pci, - .kill_arch = t2_kill_arch, - .pci_map_irq = lynx_map_irq, - .pci_swizzle = lynx_swizzle, - - .sys = { .t2 = { - .gamma_bias = _GAMMA_BIAS - } } -}; -ALIAS_MV(lynx) -#endif /* GENERIC || LYNX */ +#endif /* GENERIC || SABLE */ diff --git a/arch/alpha/kernel/sys_sio.c b/arch/alpha/kernel/sys_sio.c deleted file mode 100644 index 086488ed83a7..000000000000 --- a/arch/alpha/kernel/sys_sio.c +++ /dev/null @@ -1,486 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/alpha/kernel/sys_sio.c - * - * Copyright (C) 1995 David A Rusling - * Copyright (C) 1996 Jay A Estabrook - * Copyright (C) 1998, 1999 Richard Henderson - * - * Code for all boards that route the PCI interrupts through the SIO - * PCI/ISA bridge. This includes Noname (AXPpci33), Multia (UDB), - * Kenetics's Platform 2000, Avanti (AlphaStation), XL, and AlphaBook1. - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/screen_info.h> - -#include <asm/compiler.h> -#include <asm/ptrace.h> -#include <asm/dma.h> -#include <asm/irq.h> -#include <asm/mmu_context.h> -#include <asm/io.h> -#include <asm/core_apecs.h> -#include <asm/core_lca.h> -#include <asm/tlbflush.h> - -#include "proto.h" -#include "irq_impl.h" -#include "pci_impl.h" -#include "machvec_impl.h" -#include "pc873xx.h" - -#if defined(ALPHA_RESTORE_SRM_SETUP) -/* Save LCA configuration data as the console had it set up. */ -struct -{ - unsigned int orig_route_tab; /* for SAVE/RESTORE */ -} saved_config __attribute((common)); -#endif - - -static void __init -sio_init_irq(void) -{ - if (alpha_using_srm) - alpha_mv.device_interrupt = srm_device_interrupt; - - init_i8259a_irqs(); - common_init_isa_dma(); -} - -static inline void __init -alphabook1_init_arch(void) -{ -#ifdef CONFIG_VGA_CONSOLE - /* The AlphaBook1 has LCD video fixed at 800x600, - 37 rows and 100 cols. */ - vgacon_screen_info.orig_y = 37; - vgacon_screen_info.orig_video_cols = 100; - vgacon_screen_info.orig_video_lines = 37; -#endif - - lca_init_arch(); -} - - -/* - * sio_route_tab selects irq routing in PCI/ISA bridge so that: - * PIRQ0 -> irq 15 - * PIRQ1 -> irq 9 - * PIRQ2 -> irq 10 - * PIRQ3 -> irq 11 - * - * This probably ought to be configurable via MILO. For - * example, sound boards seem to like using IRQ 9. - * - * This is NOT how we should do it. PIRQ0-X should have - * their own IRQs, the way intel uses the IO-APIC IRQs. - */ - -static void __init -sio_pci_route(void) -{ - unsigned int orig_route_tab; - - /* First, ALWAYS read and print the original setting. */ - pci_bus_read_config_dword(pci_isa_hose->bus, PCI_DEVFN(7, 0), 0x60, - &orig_route_tab); - printk("%s: PIRQ original 0x%x new 0x%x\n", __func__, - orig_route_tab, alpha_mv.sys.sio.route_tab); - -#if defined(ALPHA_RESTORE_SRM_SETUP) - saved_config.orig_route_tab = orig_route_tab; -#endif - - /* Now override with desired setting. */ - pci_bus_write_config_dword(pci_isa_hose->bus, PCI_DEVFN(7, 0), 0x60, - alpha_mv.sys.sio.route_tab); -} - -static bool sio_pci_dev_irq_needs_level(const struct pci_dev *dev) -{ - if ((dev->class >> 16 == PCI_BASE_CLASS_BRIDGE) && - (dev->class >> 8 != PCI_CLASS_BRIDGE_PCMCIA)) - return false; - - return true; -} - -static unsigned int __init -sio_collect_irq_levels(void) -{ - unsigned int level_bits = 0; - struct pci_dev *dev = NULL; - - /* Iterate through the devices, collecting IRQ levels. */ - for_each_pci_dev(dev) { - if (!sio_pci_dev_irq_needs_level(dev)) - continue; - - if (dev->irq) - level_bits |= (1 << dev->irq); - } - return level_bits; -} - -static void __sio_fixup_irq_levels(unsigned int level_bits, bool reset) -{ - unsigned int old_level_bits; - - /* - * Now, make all PCI interrupts level sensitive. Notice: - * these registers must be accessed byte-wise. inw()/outw() - * don't work. - * - * Make sure to turn off any level bits set for IRQs 9,10,11,15, - * so that the only bits getting set are for devices actually found. - * Note that we do preserve the remainder of the bits, which we hope - * will be set correctly by ARC/SRM. - * - * Note: we at least preserve any level-set bits on AlphaBook1 - */ - old_level_bits = inb(0x4d0) | (inb(0x4d1) << 8); - - if (reset) - old_level_bits &= 0x71ff; - - level_bits |= old_level_bits; - - outb((level_bits >> 0) & 0xff, 0x4d0); - outb((level_bits >> 8) & 0xff, 0x4d1); -} - -static inline void -sio_fixup_irq_levels(unsigned int level_bits) -{ - __sio_fixup_irq_levels(level_bits, true); -} - -static inline int -noname_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - /* - * The Noname board has 5 PCI slots with each of the 4 - * interrupt pins routed to different pins on the PCI/ISA - * bridge (PIRQ0-PIRQ3). The table below is based on - * information available at: - * - * http://ftp.digital.com/pub/DEC/axppci/ref_interrupts.txt - * - * I have no information on the Avanti interrupt routing, but - * the routing seems to be identical to the Noname except - * that the Avanti has an additional slot whose routing I'm - * unsure of. - * - * pirq_tab[0] is a fake entry to deal with old PCI boards - * that have the interrupt pin number hardwired to 0 (meaning - * that they use the default INTA line, if they are interrupt - * driven at all). - */ - static char irq_tab[][5] = { - /*INT A B C D */ - { 3, 3, 3, 3, 3}, /* idsel 6 (53c810) */ - {-1, -1, -1, -1, -1}, /* idsel 7 (SIO: PCI/ISA bridge) */ - { 2, 2, -1, -1, -1}, /* idsel 8 (Hack: slot closest ISA) */ - {-1, -1, -1, -1, -1}, /* idsel 9 (unused) */ - {-1, -1, -1, -1, -1}, /* idsel 10 (unused) */ - { 0, 0, 2, 1, 0}, /* idsel 11 KN25_PCI_SLOT0 */ - { 1, 1, 0, 2, 1}, /* idsel 12 KN25_PCI_SLOT1 */ - { 2, 2, 1, 0, 2}, /* idsel 13 KN25_PCI_SLOT2 */ - { 0, 0, 0, 0, 0}, /* idsel 14 AS255 TULIP */ - }; - const long min_idsel = 6, max_idsel = 14, irqs_per_slot = 5; - int irq = COMMON_TABLE_LOOKUP, tmp; - tmp = __kernel_extbl(alpha_mv.sys.sio.route_tab, irq); - - irq = irq >= 0 ? tmp : -1; - - /* Fixup IRQ level if an actual IRQ mapping is detected */ - if (sio_pci_dev_irq_needs_level(dev) && irq >= 0) - __sio_fixup_irq_levels(1 << irq, false); - - return irq; -} - -static inline int -p2k_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - static char irq_tab[][5] = { - /*INT A B C D */ - { 0, 0, -1, -1, -1}, /* idsel 6 (53c810) */ - {-1, -1, -1, -1, -1}, /* idsel 7 (SIO: PCI/ISA bridge) */ - { 1, 1, 2, 3, 0}, /* idsel 8 (slot A) */ - { 2, 2, 3, 0, 1}, /* idsel 9 (slot B) */ - {-1, -1, -1, -1, -1}, /* idsel 10 (unused) */ - {-1, -1, -1, -1, -1}, /* idsel 11 (unused) */ - { 3, 3, -1, -1, -1}, /* idsel 12 (CMD0646) */ - }; - const long min_idsel = 6, max_idsel = 12, irqs_per_slot = 5; - int irq = COMMON_TABLE_LOOKUP, tmp; - tmp = __kernel_extbl(alpha_mv.sys.sio.route_tab, irq); - return irq >= 0 ? tmp : -1; -} - -static inline void __init -noname_init_pci(void) -{ - common_init_pci(); - sio_pci_route(); - sio_fixup_irq_levels(sio_collect_irq_levels()); - - if (pc873xx_probe() == -1) { - printk(KERN_ERR "Probing for PC873xx Super IO chip failed.\n"); - } else { - printk(KERN_INFO "Found %s Super IO chip at 0x%x\n", - pc873xx_get_model(), pc873xx_get_base()); - - /* Enabling things in the Super IO chip doesn't actually - * configure and enable things, the legacy drivers still - * need to do the actual configuration and enabling. - * This only unblocks them. - */ - -#if !defined(CONFIG_ALPHA_AVANTI) - /* Don't bother on the Avanti family. - * None of them had on-board IDE. - */ - pc873xx_enable_ide(); -#endif - pc873xx_enable_epp19(); - } -} - -static inline void __init -alphabook1_init_pci(void) -{ - struct pci_dev *dev; - unsigned char orig, config; - - common_init_pci(); - sio_pci_route(); - - /* - * On the AlphaBook1, the PCMCIA chip (Cirrus 6729) - * is sensitive to PCI bus bursts, so we must DISABLE - * burst mode for the NCR 8xx SCSI... :-( - * - * Note that the NCR810 SCSI driver must preserve the - * setting of the bit in order for this to work. At the - * moment (2.0.29), ncr53c8xx.c does NOT do this, but - * 53c7,8xx.c DOES. - */ - - dev = NULL; - while ((dev = pci_get_device(PCI_VENDOR_ID_NCR, PCI_ANY_ID, dev))) { - if (dev->device == PCI_DEVICE_ID_NCR_53C810 - || dev->device == PCI_DEVICE_ID_NCR_53C815 - || dev->device == PCI_DEVICE_ID_NCR_53C820 - || dev->device == PCI_DEVICE_ID_NCR_53C825) { - unsigned long io_port; - unsigned char ctest4; - - io_port = dev->resource[0].start; - ctest4 = inb(io_port+0x21); - if (!(ctest4 & 0x80)) { - printk("AlphaBook1 NCR init: setting" - " burst disable\n"); - outb(ctest4 | 0x80, io_port+0x21); - } - } - } - - /* Do not set *ANY* level triggers for AlphaBook1. */ - sio_fixup_irq_levels(0); - - /* Make sure that register PR1 indicates 1Mb mem */ - outb(0x0f, 0x3ce); orig = inb(0x3cf); /* read PR5 */ - outb(0x0f, 0x3ce); outb(0x05, 0x3cf); /* unlock PR0-4 */ - outb(0x0b, 0x3ce); config = inb(0x3cf); /* read PR1 */ - if ((config & 0xc0) != 0xc0) { - printk("AlphaBook1 VGA init: setting 1Mb memory\n"); - config |= 0xc0; - outb(0x0b, 0x3ce); outb(config, 0x3cf); /* write PR1 */ - } - outb(0x0f, 0x3ce); outb(orig, 0x3cf); /* (re)lock PR0-4 */ -} - -void -sio_kill_arch(int mode) -{ -#if defined(ALPHA_RESTORE_SRM_SETUP) - /* Since we cannot read the PCI DMA Window CSRs, we - * cannot restore them here. - * - * However, we CAN read the PIRQ route register, so restore it - * now... - */ - pci_bus_write_config_dword(pci_isa_hose->bus, PCI_DEVFN(7, 0), 0x60, - saved_config.orig_route_tab); -#endif -} - - -/* - * The System Vectors - */ - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_BOOK1) -struct alpha_machine_vector alphabook1_mv __initmv = { - .vector_name = "AlphaBook1", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_LCA_IO, - .machine_check = lca_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = APECS_AND_LCA_DEFAULT_MEM_BASE, - - .nr_irqs = 16, - .device_interrupt = isa_device_interrupt, - - .init_arch = alphabook1_init_arch, - .init_irq = sio_init_irq, - .init_rtc = common_init_rtc, - .init_pci = alphabook1_init_pci, - .kill_arch = sio_kill_arch, - .pci_map_irq = noname_map_irq, - .pci_swizzle = common_swizzle, - - .sys = { .sio = { - /* NCR810 SCSI is 14, PCMCIA controller is 15. */ - .route_tab = 0x0e0f0a0a, - }} -}; -ALIAS_MV(alphabook1) -#endif - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_AVANTI) -struct alpha_machine_vector avanti_mv __initmv = { - .vector_name = "Avanti", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_APECS_IO, - .machine_check = apecs_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = APECS_AND_LCA_DEFAULT_MEM_BASE, - - .nr_irqs = 16, - .device_interrupt = isa_device_interrupt, - - .init_arch = apecs_init_arch, - .init_irq = sio_init_irq, - .init_rtc = common_init_rtc, - .init_pci = noname_init_pci, - .kill_arch = sio_kill_arch, - .pci_map_irq = noname_map_irq, - .pci_swizzle = common_swizzle, - - .sys = { .sio = { - .route_tab = 0x0b0a050f, /* leave 14 for IDE, 9 for SND */ - }} -}; -ALIAS_MV(avanti) -#endif - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_NONAME) -struct alpha_machine_vector noname_mv __initmv = { - .vector_name = "Noname", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_LCA_IO, - .machine_check = lca_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = APECS_AND_LCA_DEFAULT_MEM_BASE, - - .nr_irqs = 16, - .device_interrupt = srm_device_interrupt, - - .init_arch = lca_init_arch, - .init_irq = sio_init_irq, - .init_rtc = common_init_rtc, - .init_pci = noname_init_pci, - .kill_arch = sio_kill_arch, - .pci_map_irq = noname_map_irq, - .pci_swizzle = common_swizzle, - - .sys = { .sio = { - /* For UDB, the only available PCI slot must not map to IRQ 9, - since that's the builtin MSS sound chip. That PCI slot - will map to PIRQ1 (for INTA at least), so we give it IRQ 15 - instead. - - Unfortunately we have to do this for NONAME as well, since - they are co-indicated when the platform type "Noname" is - selected... :-( */ - - .route_tab = 0x0b0a0f0d, - }} -}; -ALIAS_MV(noname) -#endif - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_P2K) -struct alpha_machine_vector p2k_mv __initmv = { - .vector_name = "Platform2000", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_LCA_IO, - .machine_check = lca_machine_check, - .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = APECS_AND_LCA_DEFAULT_MEM_BASE, - - .nr_irqs = 16, - .device_interrupt = srm_device_interrupt, - - .init_arch = lca_init_arch, - .init_irq = sio_init_irq, - .init_rtc = common_init_rtc, - .init_pci = noname_init_pci, - .kill_arch = sio_kill_arch, - .pci_map_irq = p2k_map_irq, - .pci_swizzle = common_swizzle, - - .sys = { .sio = { - .route_tab = 0x0b0a090f, - }} -}; -ALIAS_MV(p2k) -#endif - -#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_XL) -struct alpha_machine_vector xl_mv __initmv = { - .vector_name = "XL", - DO_EV4_MMU, - DO_DEFAULT_RTC, - DO_APECS_IO, - .machine_check = apecs_machine_check, - .max_isa_dma_address = ALPHA_XL_MAX_ISA_DMA_ADDRESS, - .min_io_address = DEFAULT_IO_BASE, - .min_mem_address = XL_DEFAULT_MEM_BASE, - - .nr_irqs = 16, - .device_interrupt = isa_device_interrupt, - - .init_arch = apecs_init_arch, - .init_irq = sio_init_irq, - .init_rtc = common_init_rtc, - .init_pci = noname_init_pci, - .kill_arch = sio_kill_arch, - .pci_map_irq = noname_map_irq, - .pci_swizzle = common_swizzle, - - .sys = { .sio = { - .route_tab = 0x0b0a090f, - }} -}; -ALIAS_MV(xl) -#endif diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl index 8ff110826ce2..74720667fe09 100644 --- a/arch/alpha/kernel/syscalls/syscall.tbl +++ b/arch/alpha/kernel/syscalls/syscall.tbl @@ -474,7 +474,7 @@ 542 common fsmount sys_fsmount 543 common fspick sys_fspick 544 common pidfd_open sys_pidfd_open -# 545 reserved for clone3 +545 common clone3 alpha_clone3 546 common close_range sys_close_range 547 common openat2 sys_openat2 548 common pidfd_getfd sys_pidfd_getfd @@ -501,3 +501,4 @@ 569 common lsm_get_self_attr sys_lsm_get_self_attr 570 common lsm_set_self_attr sys_lsm_set_self_attr 571 common lsm_list_modules sys_lsm_list_modules +572 common mseal sys_mseal diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index 7fc72aeb7398..6afae65e9a8b 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -30,39 +30,6 @@ #include "proto.h" -/* Work-around for some SRMs which mishandle opDEC faults. */ - -static int opDEC_fix; - -static void -opDEC_check(void) -{ - __asm__ __volatile__ ( - /* Load the address of... */ - " br $16, 1f\n" - /* A stub instruction fault handler. Just add 4 to the - pc and continue. */ - " ldq $16, 8($sp)\n" - " addq $16, 4, $16\n" - " stq $16, 8($sp)\n" - " call_pal %[rti]\n" - /* Install the instruction fault handler. */ - "1: lda $17, 3\n" - " call_pal %[wrent]\n" - /* With that in place, the fault from the round-to-minf fp - insn will arrive either at the "lda 4" insn (bad) or one - past that (good). This places the correct fixup in %0. */ - " lda %[fix], 0\n" - " cvttq/svm $f31,$f31\n" - " lda %[fix], 4" - : [fix] "=r" (opDEC_fix) - : [rti] "n" (PAL_rti), [wrent] "n" (PAL_wrent) - : "$0", "$1", "$16", "$17", "$22", "$23", "$24", "$25"); - - if (opDEC_fix) - printk("opDEC fixup enabled.\n"); -} - void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15) { @@ -353,32 +320,6 @@ do_entIF(unsigned long type, struct pt_regs *regs) return; case 4: /* opDEC */ - if (implver() == IMPLVER_EV4) { - long si_code; - - /* The some versions of SRM do not handle - the opDEC properly - they return the PC of the - opDEC fault, not the instruction after as the - Alpha architecture requires. Here we fix it up. - We do this by intentionally causing an opDEC - fault during the boot sequence and testing if - we get the correct PC. If not, we set a flag - to correct it every time through. */ - regs->pc += opDEC_fix; - - /* EV4 does not implement anything except normal - rounding. Everything else will come here as - an illegal instruction. Emulate them. */ - si_code = alpha_fp_emul(regs->pc - 4); - if (si_code == 0) - return; - if (si_code > 0) { - send_sig_fault_trapno(SIGFPE, si_code, - (void __user *) regs->pc, - 0, current); - return; - } - } break; case 5: /* illoc */ @@ -979,11 +920,6 @@ trap_init(void) register unsigned long gptr __asm__("$29"); wrkgp(gptr); - /* Hack for Multia (UDB) and JENSEN: some of their SRMs have - a bug in the handling of the opDEC fault. Fix it up if so. */ - if (implver() == IMPLVER_EV4) - opDEC_check(); - wrent(entArith, 1); wrent(entMM, 2); wrent(entIF, 3); |