From a64ae7a2256b56bbd2830749c580fa533b69758c Mon Sep 17 00:00:00 2001 From: Mike Crowe Date: Mon, 28 Jul 2008 13:12:52 +0100 Subject: [MIPS] Convert printk statements during kernel setup to use severity levels Signed-off-by: Mike Crowe Signed-off-by: Ralf Baechle --- arch/mips/kernel/setup.c | 42 ++++++++++++++++++++---------------------- 1 file changed, 20 insertions(+), 22 deletions(-) (limited to 'arch/mips') diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 8af84867e74d..2aae76bce293 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -78,7 +78,7 @@ void __init add_memory_region(phys_t start, phys_t size, long type) /* Sanity check */ if (start + size < start) { - printk("Trying to add an invalid memory region, skipped\n"); + pr_warning("Trying to add an invalid memory region, skipped\n"); return; } @@ -92,7 +92,7 @@ void __init add_memory_region(phys_t start, phys_t size, long type) } if (x == BOOT_MEM_MAP_MAX) { - printk("Ooops! Too many entries in the memory map!\n"); + pr_err("Ooops! Too many entries in the memory map!\n"); return; } @@ -108,22 +108,22 @@ static void __init print_memory_map(void) const int field = 2 * sizeof(unsigned long); for (i = 0; i < boot_mem_map.nr_map; i++) { - printk(" memory: %0*Lx @ %0*Lx ", + printk(KERN_INFO " memory: %0*Lx @ %0*Lx ", field, (unsigned long long) boot_mem_map.map[i].size, field, (unsigned long long) boot_mem_map.map[i].addr); switch (boot_mem_map.map[i].type) { case BOOT_MEM_RAM: - printk("(usable)\n"); + printk(KERN_CONT "(usable)\n"); break; case BOOT_MEM_ROM_DATA: - printk("(ROM data)\n"); + printk(KERN_CONT "(ROM data)\n"); break; case BOOT_MEM_RESERVED: - printk("(reserved)\n"); + printk(KERN_CONT "(reserved)\n"); break; default: - printk("type %lu\n", boot_mem_map.map[i].type); + printk(KERN_CONT "type %lu\n", boot_mem_map.map[i].type); break; } } @@ -185,11 +185,11 @@ static unsigned long __init init_initrd(void) sanitize: if (initrd_start & ~PAGE_MASK) { - printk(KERN_ERR "initrd start must be page aligned\n"); + pr_err("initrd start must be page aligned\n"); goto disable; } if (initrd_start < PAGE_OFFSET) { - printk(KERN_ERR "initrd start < PAGE_OFFSET\n"); + pr_err("initrd start < PAGE_OFFSET\n"); goto disable; } @@ -221,18 +221,18 @@ static void __init finalize_initrd(void) goto disable; } if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) { - printk("Initrd extends beyond end of memory"); + printk(KERN_ERR "Initrd extends beyond end of memory"); goto disable; } reserve_bootmem(__pa(initrd_start), size, BOOTMEM_DEFAULT); initrd_below_start_ok = 1; - printk(KERN_INFO "Initial ramdisk at: 0x%lx (%lu bytes)\n", - initrd_start, size); + pr_info("Initial ramdisk at: 0x%lx (%lu bytes)\n", + initrd_start, size); return; disable: - printk(" - disabling initrd\n"); + printk(KERN_CONT " - disabling initrd\n"); initrd_start = 0; initrd_end = 0; } @@ -310,14 +310,12 @@ static void __init bootmem_init(void) if (min_low_pfn >= max_low_pfn) panic("Incorrect memory mapping !!!"); if (min_low_pfn > ARCH_PFN_OFFSET) { - printk(KERN_INFO - "Wasting %lu bytes for tracking %lu unused pages\n", - (min_low_pfn - ARCH_PFN_OFFSET) * sizeof(struct page), - min_low_pfn - ARCH_PFN_OFFSET); + pr_info("Wasting %lu bytes for tracking %lu unused pages\n", + (min_low_pfn - ARCH_PFN_OFFSET) * sizeof(struct page), + min_low_pfn - ARCH_PFN_OFFSET); } else if (min_low_pfn < ARCH_PFN_OFFSET) { - printk(KERN_INFO - "%lu free pages won't be used\n", - ARCH_PFN_OFFSET - min_low_pfn); + pr_info("%lu free pages won't be used\n", + ARCH_PFN_OFFSET - min_low_pfn); } min_low_pfn = ARCH_PFN_OFFSET; @@ -471,7 +469,7 @@ static void __init arch_mem_init(char **cmdline_p) /* call board setup routine */ plat_mem_setup(); - printk("Determined physical RAM map:\n"); + pr_info("Determined physical RAM map:\n"); print_memory_map(); strlcpy(command_line, arcs_cmdline, sizeof(command_line)); @@ -482,7 +480,7 @@ static void __init arch_mem_init(char **cmdline_p) parse_early_param(); if (usermem) { - printk("User-defined physical RAM map:\n"); + pr_info("User-defined physical RAM map:\n"); print_memory_map(); } -- cgit v1.2.2 From 3885b71ba66bfd0dbe92e580c23eebaccd11248b Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 31 Jul 2008 11:16:43 +0100 Subject: [MIPS] Wire up new syscalls. signalfd4, eventfd2, epoll_create1, dup3, pipe2 and inotify_init1. Signed-off-by: Ralf Baechle --- arch/mips/kernel/scall32-o32.S | 6 ++++++ arch/mips/kernel/scall64-64.S | 6 ++++++ arch/mips/kernel/scall64-n32.S | 6 ++++++ arch/mips/kernel/scall64-o32.S | 6 ++++++ 4 files changed, 24 insertions(+) (limited to 'arch/mips') diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index fc4fd4d705e2..5e75a316f6b1 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -647,6 +647,12 @@ einval: li v0, -EINVAL sys sys_timerfd_create 2 sys sys_timerfd_gettime 2 sys sys_timerfd_settime 4 + sys sys_signalfd4 4 + sys sys_eventfd2 2 /* 4325 */ + sys sys_epoll_create1 1 + sys sys_dup3 3 + sys sys_pipe2 2 + sys sys_inotify_init1 1 .endm /* We pre-compute the number of _instruction_ bytes needed to diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 2b73fd1e4528..3d58204c9d44 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -481,4 +481,10 @@ sys_call_table: PTR sys_timerfd_create /* 5280 */ PTR sys_timerfd_gettime PTR sys_timerfd_settime + PTR sys_signalfd4 + PTR sys_eventfd2 + PTR sys_epoll_create1 /* 5285 */ + PTR sys_dup3 + PTR sys_pipe2 + PTR sys_inotify_init1 .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 2654e75d2fef..da7f1b6ea0fb 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -407,4 +407,10 @@ EXPORT(sysn32_call_table) PTR sys_timerfd_create PTR sys_timerfd_gettime /* 5285 */ PTR sys_timerfd_settime + PTR sys_signalfd4 + PTR sys_eventfd2 + PTR sys_epoll_create1 + PTR sys_dup3 /* 5290 */ + PTR sys_pipe2 + PTR sys_inotify_init1 .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 76167bea5a70..d7cd1aac9ada 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -529,4 +529,10 @@ sys_call_table: PTR sys_timerfd_create PTR sys_timerfd_gettime PTR sys_timerfd_settime + PTR compat_sys_signalfd4 + PTR sys_eventfd2 /* 4325 */ + PTR sys_epoll_create1 + PTR sys_dup3 + PTR sys_pipe2 + PTR sys_inotify_init1 .size sys_call_table,.-sys_call_table -- cgit v1.2.2 From 89ef3e85de5b5b95cefad2b20e1ed53435589b55 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 31 Jul 2008 13:08:14 +0100 Subject: [MIPS] Jazz: Fix build error by header file inclusion weeding. Signed-off-by: Ralf Baechle --- arch/mips/jazz/setup.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) (limited to 'arch/mips') diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c index b59ba6b93cdd..7043f6b9ff3c 100644 --- a/arch/mips/jazz/setup.c +++ b/arch/mips/jazz/setup.c @@ -5,33 +5,22 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1996, 1997, 1998, 2001, 07 by Ralf Baechle + * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle * Copyright (C) 2001 MIPS Technologies, Inc. * Copyright (C) 2007 by Thomas Bogendoerfer */ #include #include #include -#include -#include -#include #include -#include -#include #include #include #include -#include -#include #include #include #include -#include #include -#include -#include -#include extern asmlinkage void jazz_handle_int(void); -- cgit v1.2.2 From 2841d8b893fd326aa039f28c3040378db8ebe8ef Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 31 Jul 2008 13:38:44 +0100 Subject: [MIPS] emma2rh: Fix build error by header file inclusion weeding. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit CC arch/mips/emma2rh/markeins/setup.o In file included from arch/mips/emma2rh/markeins/setup.c:30: include/linux/ide.h:645: error: ‘CONFIG_IDE_MAX_HWIFS’ undeclared here (not in a function) make[1]: *** [arch/mips/emma2rh/markeins/setup.o] Error 1 Signed-off-by: Ralf Baechle --- arch/mips/emma2rh/markeins/setup.c | 16 +--------------- 1 file changed, 1 insertion(+), 15 deletions(-) (limited to 'arch/mips') diff --git a/arch/mips/emma2rh/markeins/setup.c b/arch/mips/emma2rh/markeins/setup.c index 822a20e21fa4..b6a23ad539f8 100644 --- a/arch/mips/emma2rh/markeins/setup.c +++ b/arch/mips/emma2rh/markeins/setup.c @@ -25,23 +25,9 @@ #include #include #include -#include -#include -#include -#include /* for HZ */ -#include -#include -#include - -#include -#include -#include + #include -#include -#include #include -#include -#include #include -- cgit v1.2.2 From 1374d084736fff6f72f1d143ffdaa90cddd86e7e Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Thu, 31 Jul 2008 22:29:53 +0900 Subject: [MIPS] TXx9: Fix mips_hpt_frequency initialization The mips_hpt_frequency initialization code was lost in commit 94a4c32939dede9328c6e4face335eb8441fc18d (linux-mips.org) / 94a4c32939dede9328c6e4face335eb8441fc18d (kernel.org) "TXx9: Add 64-bit support". Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/mips') diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 1bc57d0f4c5c..0afe94c48fb6 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -328,6 +328,9 @@ void __init arch_init_irq(void) void __init plat_time_init(void) { +#ifdef CONFIG_CPU_TX49XX + mips_hpt_frequency = txx9_cpu_clock / 2; +#endif txx9_board_vec->time_init(); } -- cgit v1.2.2 From e522b7ccd26a9774cac9379476ae3c6e005c88be Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 5 Aug 2008 23:42:16 +0100 Subject: [MIPS] kgdb: smp_call_function's 3rd argument is a pointer. Signed-off-by: Ralf Baechle --- arch/mips/kernel/kgdb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/mips') diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c index c5a8b2d21ca4..15dbfd9803ed 100644 --- a/arch/mips/kernel/kgdb.c +++ b/arch/mips/kernel/kgdb.c @@ -68,7 +68,7 @@ static void kgdb_call_nmi_hook(void *ignored) void kgdb_roundup_cpus(unsigned long flags) { local_irq_enable(); - smp_call_function(kgdb_call_nmi_hook, NULL, NULL); + smp_call_function(kgdb_call_nmi_hook, NULL, 0); local_irq_disable(); } -- cgit v1.2.2 From 9391d6bbedfd28c20531be75a3929c62bb43676e Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 5 Aug 2008 23:43:35 +0100 Subject: [MIPS] kgdb: s/(void *)0)/NULL/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/kgdb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/mips') diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c index 15dbfd9803ed..660894567461 100644 --- a/arch/mips/kernel/kgdb.c +++ b/arch/mips/kernel/kgdb.c @@ -62,7 +62,7 @@ void arch_kgdb_breakpoint(void) static void kgdb_call_nmi_hook(void *ignored) { - kgdb_nmicallback(raw_smp_processor_id(), (void *)0); + kgdb_nmicallback(raw_smp_processor_id(), NULL); } void kgdb_roundup_cpus(unsigned long flags) -- cgit v1.2.2 From a571444a06257558039619a9eecfb137812670eb Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 5 Aug 2008 23:44:49 +0100 Subject: [MIPS] IP27: Export symbol pcibus_to_node to modules. Signed-off-by: Ralf Baechle --- arch/mips/pci/pci-ip27.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/mips') diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c index ce92f82b16d2..bd78368c82bf 100644 --- a/arch/mips/pci/pci-ip27.c +++ b/arch/mips/pci/pci-ip27.c @@ -205,6 +205,7 @@ int pcibus_to_node(struct pci_bus *bus) return bc->nasid; } +EXPORT_SYMBOL(pcibus_to_node); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3, pci_fixup_ioc3); -- cgit v1.2.2 From 1ddfe82dc687bd786cc75c0ea973588394665e60 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 5 Aug 2008 22:24:18 +0200 Subject: [MIPS] RB532: Do not define registers that are already defined Use the register definitions of the MPMC controller from mach-rc32434/rb.h instead of redefining them. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/rb532/devices.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) (limited to 'arch/mips') diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c index 44fb0a62877f..82ab395efa33 100644 --- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -49,8 +49,6 @@ #define GPIO_ALE (1 << 0x0a) #define GPIO_CLE (1 << 0x0b) -extern char *board_type; - static struct resource korina_dev0_res[] = { { .name = "korina_regs", @@ -265,14 +263,6 @@ static void __init parse_mac_addr(char *macstr) } -/* DEVICE CONTROLLER 1 */ -#define CFG_DC_DEV1 ((void *)0xb8010010) -#define CFG_DC_DEV2 ((void *)0xb8010020) -#define CFG_DC_DEVBASE 0x0 -#define CFG_DC_DEVMASK 0x4 -#define CFG_DC_DEVC 0x8 -#define CFG_DC_DEVTC 0xC - /* NAND definitions */ #define NAND_CHIP_DELAY 25 @@ -301,16 +291,16 @@ static void __init rb532_nand_setup(void) static int __init plat_setup_devices(void) { /* Look for the CF card reader */ - if (!readl(CFG_DC_DEV1 + CFG_DC_DEVMASK)) + if (!readl(IDT434_REG_BASE + DEV1MASK)) rb532_devs[1] = NULL; else { cf_slot0_res[0].start = - readl(CFG_DC_DEV1 + CFG_DC_DEVBASE); + readl(IDT434_REG_BASE + DEV1BASE); cf_slot0_res[0].end = cf_slot0_res[0].start + 0x1000; } /* Read the NAND resources from the device controller */ - nand_slot0_res[0].start = readl(CFG_DC_DEV2 + CFG_DC_DEVBASE); + nand_slot0_res[0].start = readl(IDT434_REG_BASE + DEV2BASE); nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000; /* Initialise the NAND device */ -- cgit v1.2.2 From b895760dfb9b7ab921b066141d618bc6877f5d4b Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Mon, 11 Aug 2008 23:05:35 +0900 Subject: [MIPS] kgdb: Do not call fixup_exception kgdb_mips_notify is called on IBE/DBE/FPE/BP/TRAP/RI exception. None of them need fixup. And doing fixup for a breakpoint exception will confuse gdb. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/kernel/kgdb.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'arch/mips') diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c index 660894567461..8f6d58ede33c 100644 --- a/arch/mips/kernel/kgdb.c +++ b/arch/mips/kernel/kgdb.c @@ -190,9 +190,6 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd, struct pt_regs *regs = args->regs; int trap = (regs->cp0_cause & 0x7c) >> 2; - if (fixup_exception(regs)) - return NOTIFY_DONE; - /* Userpace events, ignore. */ if (user_mode(regs)) return NOTIFY_DONE; -- cgit v1.2.2 From 3e6259c3ef30432b4a067d6362738c236eb2e680 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 19 Aug 2008 21:28:21 +0200 Subject: [MIPS] Ignore vmlinux.lds generated files This patch adds the proper .gitignore file to ignore vmlinux.lds generated in arch/mips/kernel/. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/kernel/.gitignore | 1 + 1 file changed, 1 insertion(+) create mode 100644 arch/mips/kernel/.gitignore (limited to 'arch/mips') diff --git a/arch/mips/kernel/.gitignore b/arch/mips/kernel/.gitignore new file mode 100644 index 000000000000..c5f676c3c224 --- /dev/null +++ b/arch/mips/kernel/.gitignore @@ -0,0 +1 @@ +vmlinux.lds -- cgit v1.2.2 From 0510617b85758b6e66f3c602ceccea1826440470 Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Mon, 4 Aug 2008 19:44:34 +0200 Subject: [MIPS] Fix data bus error recovery With -ffunction-section the entries in __dbe_table aren't no longer sorted, so the lookup of exception addresses in do_be() failed for some addresses. To avoid this we now sort __dbe_table. Signed-off-by: Thomas Bogendoerfer Signed-off-by: Ralf Baechle --- arch/mips/kernel/traps.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'arch/mips') diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 426cced1e9dc..1f579a8ea25b 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -373,8 +373,8 @@ void __noreturn die(const char * str, const struct pt_regs * regs) do_exit(SIGSEGV); } -extern const struct exception_table_entry __start___dbe_table[]; -extern const struct exception_table_entry __stop___dbe_table[]; +extern struct exception_table_entry __start___dbe_table[]; +extern struct exception_table_entry __stop___dbe_table[]; __asm__( " .section __dbe_table, \"a\"\n" @@ -1682,4 +1682,6 @@ void __init trap_init(void) flush_icache_range(ebase, ebase + 0x400); flush_tlb_handlers(); + + sort_extable(__start___dbe_table, __stop___dbe_table); } -- cgit v1.2.2 From e0cee3eea7875800451739ae38f99edcf11c133d Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Mon, 4 Aug 2008 20:53:57 +0200 Subject: [MIPS] Fix WARNING: at kernel/smp.c:290 trap_init issues flush_icache_range(), which uses ipi functions to get icache flushing done on all cpus. But this is done before interrupts are enabled and caused WARN_ON messages. This changeset introduces a new local_flush_icache_range() and uses it before interrupts (and additional CPUs) are enabled to avoid this problem. Signed-off-by: Thomas Bogendoerfer Signed-off-by: Ralf Baechle --- arch/mips/kernel/traps.c | 12 +++++++----- arch/mips/mm/c-r3k.c | 1 + arch/mips/mm/c-r4k.c | 18 ++++++++++++------ arch/mips/mm/c-tx39.c | 1 + arch/mips/mm/cache.c | 1 + arch/mips/mm/tlbex.c | 6 +++--- 6 files changed, 25 insertions(+), 14 deletions(-) (limited to 'arch/mips') diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 1f579a8ea25b..6bee29097a56 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1200,7 +1200,7 @@ void *set_except_vector(int n, void *addr) if (n == 0 && cpu_has_divec) { *(u32 *)(ebase + 0x200) = 0x08000000 | (0x03ffffff & (handler >> 2)); - flush_icache_range(ebase + 0x200, ebase + 0x204); + local_flush_icache_range(ebase + 0x200, ebase + 0x204); } return (void *)old_handler; } @@ -1283,7 +1283,8 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs) *w = (*w & 0xffff0000) | (((u32)handler >> 16) & 0xffff); w = (u32 *)(b + ori_offset); *w = (*w & 0xffff0000) | ((u32)handler & 0xffff); - flush_icache_range((unsigned long)b, (unsigned long)(b+handler_len)); + local_flush_icache_range((unsigned long)b, + (unsigned long)(b+handler_len)); } else { /* @@ -1295,7 +1296,8 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs) w = (u32 *)b; *w++ = 0x08000000 | (((u32)handler >> 2) & 0x03fffff); /* j handler */ *w = 0; - flush_icache_range((unsigned long)b, (unsigned long)(b+8)); + local_flush_icache_range((unsigned long)b, + (unsigned long)(b+8)); } return (void *)old_handler; @@ -1515,7 +1517,7 @@ void __cpuinit per_cpu_trap_init(void) void __init set_handler(unsigned long offset, void *addr, unsigned long size) { memcpy((void *)(ebase + offset), addr, size); - flush_icache_range(ebase + offset, ebase + offset + size); + local_flush_icache_range(ebase + offset, ebase + offset + size); } static char panic_null_cerr[] __cpuinitdata = @@ -1680,7 +1682,7 @@ void __init trap_init(void) signal32_init(); #endif - flush_icache_range(ebase, ebase + 0x400); + local_flush_icache_range(ebase, ebase + 0x400); flush_tlb_handlers(); sort_extable(__start___dbe_table, __stop___dbe_table); diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c index 27a5b466c85c..5500c20c79ae 100644 --- a/arch/mips/mm/c-r3k.c +++ b/arch/mips/mm/c-r3k.c @@ -320,6 +320,7 @@ void __cpuinit r3k_cache_init(void) flush_cache_range = r3k_flush_cache_range; flush_cache_page = r3k_flush_cache_page; flush_icache_range = r3k_flush_icache_range; + local_flush_icache_range = r3k_flush_icache_range; flush_cache_sigtramp = r3k_flush_cache_sigtramp; local_flush_data_cache_page = local_r3k_flush_data_cache_page; diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 71df3390c07b..6e99665ae860 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -543,12 +543,8 @@ struct flush_icache_range_args { unsigned long end; }; -static inline void local_r4k_flush_icache_range(void *args) +static inline void local_r4k_flush_icache_range(unsigned long start, unsigned long end) { - struct flush_icache_range_args *fir_args = args; - unsigned long start = fir_args->start; - unsigned long end = fir_args->end; - if (!cpu_has_ic_fills_f_dc) { if (end - start >= dcache_size) { r4k_blast_dcache(); @@ -564,6 +560,15 @@ static inline void local_r4k_flush_icache_range(void *args) protected_blast_icache_range(start, end); } +static inline void local_r4k_flush_icache_range_ipi(void *args) +{ + struct flush_icache_range_args *fir_args = args; + unsigned long start = fir_args->start; + unsigned long end = fir_args->end; + + local_r4k_flush_icache_range(start, end); +} + static void r4k_flush_icache_range(unsigned long start, unsigned long end) { struct flush_icache_range_args args; @@ -571,7 +576,7 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end) args.start = start; args.end = end; - r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1); + r4k_on_each_cpu(local_r4k_flush_icache_range_ipi, &args, 1); instruction_hazard(); } @@ -1375,6 +1380,7 @@ void __cpuinit r4k_cache_init(void) local_flush_data_cache_page = local_r4k_flush_data_cache_page; flush_data_cache_page = r4k_flush_data_cache_page; flush_icache_range = r4k_flush_icache_range; + local_flush_icache_range = local_r4k_flush_icache_range; #if defined(CONFIG_DMA_NONCOHERENT) if (coherentio) { diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c index a9f7f1f5e9b4..39c81820ce82 100644 --- a/arch/mips/mm/c-tx39.c +++ b/arch/mips/mm/c-tx39.c @@ -362,6 +362,7 @@ void __cpuinit tx39_cache_init(void) flush_cache_range = (void *) tx39h_flush_icache_all; flush_cache_page = (void *) tx39h_flush_icache_all; flush_icache_range = (void *) tx39h_flush_icache_all; + local_flush_icache_range = (void *) tx39h_flush_icache_all; flush_cache_sigtramp = (void *) tx39h_flush_icache_all; local_flush_data_cache_page = (void *) tx39h_flush_icache_all; diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 034e8506f6ea..1eb7c71e3d6a 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -29,6 +29,7 @@ void (*flush_cache_range)(struct vm_area_struct *vma, unsigned long start, void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn); void (*flush_icache_range)(unsigned long start, unsigned long end); +void (*local_flush_icache_range)(unsigned long start, unsigned long end); void (*__flush_cache_vmap)(void); void (*__flush_cache_vunmap)(void); diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 76da73a5ab3c..979cf9197282 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -1273,10 +1273,10 @@ void __cpuinit build_tlb_refill_handler(void) void __cpuinit flush_tlb_handlers(void) { - flush_icache_range((unsigned long)handle_tlbl, + local_flush_icache_range((unsigned long)handle_tlbl, (unsigned long)handle_tlbl + sizeof(handle_tlbl)); - flush_icache_range((unsigned long)handle_tlbs, + local_flush_icache_range((unsigned long)handle_tlbs, (unsigned long)handle_tlbs + sizeof(handle_tlbs)); - flush_icache_range((unsigned long)handle_tlbm, + local_flush_icache_range((unsigned long)handle_tlbm, (unsigned long)handle_tlbm + sizeof(handle_tlbm)); } -- cgit v1.2.2 From 073828d078d3e55b23b2b5937a49dc1019c5907d Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 26 Aug 2008 21:29:58 +0900 Subject: [MIPS] TXx9: Fix txx9_pcode initialization The txx9_pcode variable was introduced in commit fe1c2bc64f65003b39f331a8e4b0d15b235a4afd ("TXx9: Add 64-bit support") but was not initialized properly. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/mips') diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 0afe94c48fb6..fe6bee09cece 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -53,6 +53,7 @@ txx9_reg_res_init(unsigned int pcode, unsigned long base, unsigned long size) txx9_ce_res[i].name = txx9_ce_res_name[i]; } + txx9_pcode = pcode; sprintf(txx9_pcode_str, "TX%x", pcode); if (base) { txx9_reg_res.start = base & 0xfffffffffULL; -- cgit v1.2.2 From 3885ec8ca29e5e33e9a5f0ae9dc849d798634ec9 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 26 Aug 2008 22:30:41 +0900 Subject: [MIPS] TX39xx: Add missing local_flush_icache_range initialization Commmit 59e39ecd933ba49eb6efe84cbfa5597a6c9ef18a ("Fix WARNING: at kernel/smp.c:290") introduced local_flush_icache_range but lacks initialization for some TX39 case. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/mm/c-tx39.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/mips') diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c index 39c81820ce82..f7c8f9ce39c1 100644 --- a/arch/mips/mm/c-tx39.c +++ b/arch/mips/mm/c-tx39.c @@ -391,6 +391,7 @@ void __cpuinit tx39_cache_init(void) flush_cache_range = tx39_flush_cache_range; flush_cache_page = tx39_flush_cache_page; flush_icache_range = tx39_flush_icache_range; + local_flush_icache_range = tx39_flush_icache_range; flush_cache_sigtramp = tx39_flush_cache_sigtramp; local_flush_data_cache_page = local_tx39_flush_data_cache_page; -- cgit v1.2.2 From 0011036beeffeada15acd1936d67988de21ca65e Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 26 Aug 2008 22:34:57 +0900 Subject: [MIPS] Probe initrd header only if explicitly specified Currently init_initrd() probes initrd header at the last page of kernel image, but it is valid only if addinitrd was used. If addinitrd was not used, the area contains garbage so probing there might misdetect initrd header (magic number is not strictly robust). This patch introduces CONFIG_PROBE_INITRD_HEADER to explicitly enable this probing. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 9 +++++++++ arch/mips/kernel/setup.c | 33 ++++++++++++++++++--------------- 2 files changed, 27 insertions(+), 15 deletions(-) (limited to 'arch/mips') diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 4da736e25333..49896a2a1d72 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1886,6 +1886,15 @@ config STACKTRACE_SUPPORT source "init/Kconfig" +config PROBE_INITRD_HEADER + bool "Probe initrd header created by addinitrd" + depends on BLK_DEV_INITRD + help + Probe initrd header at the last page of kernel image. + Say Y here if you are using arch/mips/boot/addinitrd.c to + add initrd or initramfs image to the kernel image. + Otherwise, say N. + menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" config HW_HAS_EISA diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 2aae76bce293..16f8edfe5cdc 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -160,30 +160,33 @@ early_param("rd_size", rd_size_early); static unsigned long __init init_initrd(void) { unsigned long end; - u32 *initrd_header; /* * Board specific code or command line parser should have * already set up initrd_start and initrd_end. In these cases * perfom sanity checks and use them if all looks good. */ - if (initrd_start && initrd_end > initrd_start) - goto sanitize; + if (!initrd_start || initrd_end <= initrd_start) { +#ifdef CONFIG_PROBE_INITRD_HEADER + u32 *initrd_header; - /* - * See if initrd has been added to the kernel image by - * arch/mips/boot/addinitrd.c. In that case a header is - * prepended to initrd and is made up by 8 bytes. The fisrt - * word is a magic number and the second one is the size of - * initrd. Initrd start must be page aligned in any cases. - */ - initrd_header = __va(PAGE_ALIGN(__pa_symbol(&_end) + 8)) - 8; - if (initrd_header[0] != 0x494E5244) + /* + * See if initrd has been added to the kernel image by + * arch/mips/boot/addinitrd.c. In that case a header is + * prepended to initrd and is made up by 8 bytes. The first + * word is a magic number and the second one is the size of + * initrd. Initrd start must be page aligned in any cases. + */ + initrd_header = __va(PAGE_ALIGN(__pa_symbol(&_end) + 8)) - 8; + if (initrd_header[0] != 0x494E5244) + goto disable; + initrd_start = (unsigned long)(initrd_header + 2); + initrd_end = initrd_start + initrd_header[1]; +#else goto disable; - initrd_start = (unsigned long)(initrd_header + 2); - initrd_end = initrd_start + initrd_header[1]; +#endif + } -sanitize: if (initrd_start & ~PAGE_MASK) { pr_err("initrd start must be page aligned\n"); goto disable; -- cgit v1.2.2 From 4a911b1efe219fa3c8af697be0054c72e13bdae4 Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Thu, 4 Sep 2008 23:05:45 +0200 Subject: [MIPS] IP22: Fix detection of second HPC3 on Challenge S The second HPC3 could be found only on Guiness systems (Challenge-S), but not on fullhouse (Indigo2) systems. Signed-off-by: Thomas Bogendoerfer Signed-off-by: Ralf Baechle --- arch/mips/sgi-ip22/ip22-platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/mips') diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c index 60141235ec40..52486c4d2b01 100644 --- a/arch/mips/sgi-ip22/ip22-platform.c +++ b/arch/mips/sgi-ip22/ip22-platform.c @@ -150,7 +150,7 @@ static int __init sgiseeq_devinit(void) return res; /* Second HPC is missing? */ - if (!ip22_is_fullhouse() || + if (ip22_is_fullhouse() || get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1])) return 0; -- cgit v1.2.2