From a64ae7a2256b56bbd2830749c580fa533b69758c Mon Sep 17 00:00:00 2001 From: Mike Crowe Date: Mon, 28 Jul 2008 13:12:52 +0100 Subject: [PATCH 01/11] [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(-) 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(); } From 3885b71ba66bfd0dbe92e580c23eebaccd11248b Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 31 Jul 2008 11:16:43 +0100 Subject: [PATCH 02/11] [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 ++++++ include/asm-mips/unistd.h | 30 ++++++++++++++++++++++++------ 5 files changed, 48 insertions(+), 6 deletions(-) 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 diff --git a/include/asm-mips/unistd.h b/include/asm-mips/unistd.h index 4964c82f85f9..a73e1531e151 100644 --- a/include/asm-mips/unistd.h +++ b/include/asm-mips/unistd.h @@ -344,16 +344,22 @@ #define __NR_timerfd_create (__NR_Linux + 321) #define __NR_timerfd_gettime (__NR_Linux + 322) #define __NR_timerfd_settime (__NR_Linux + 323) +#define __NR_signalfd4 (__NR_Linux + 324) +#define __NR_eventfd2 (__NR_Linux + 325) +#define __NR_epoll_create1 (__NR_Linux + 326) +#define __NR_dup3 (__NR_Linux + 327) +#define __NR_pipe2 (__NR_Linux + 328) +#define __NR_inotify_init1 (__NR_Linux + 329) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 323 +#define __NR_Linux_syscalls 329 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 323 +#define __NR_O32_Linux_syscalls 329 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -644,16 +650,22 @@ #define __NR_timerfd_create (__NR_Linux + 280) #define __NR_timerfd_gettime (__NR_Linux + 281) #define __NR_timerfd_settime (__NR_Linux + 282) +#define __NR_signalfd4 (__NR_Linux + 283) +#define __NR_eventfd2 (__NR_Linux + 284) +#define __NR_epoll_create1 (__NR_Linux + 285) +#define __NR_dup3 (__NR_Linux + 286) +#define __NR_pipe2 (__NR_Linux + 287) +#define __NR_inotify_init1 (__NR_Linux + 288) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 282 +#define __NR_Linux_syscalls 288 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 282 +#define __NR_64_Linux_syscalls 288 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -948,16 +960,22 @@ #define __NR_timerfd_create (__NR_Linux + 284) #define __NR_timerfd_gettime (__NR_Linux + 285) #define __NR_timerfd_settime (__NR_Linux + 286) +#define __NR_signalfd4 (__NR_Linux + 287) +#define __NR_eventfd2 (__NR_Linux + 288) +#define __NR_epoll_create1 (__NR_Linux + 289) +#define __NR_dup3 (__NR_Linux + 290) +#define __NR_pipe2 (__NR_Linux + 291) +#define __NR_inotify_init1 (__NR_Linux + 292) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 286 +#define __NR_Linux_syscalls 292 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 286 +#define __NR_N32_Linux_syscalls 292 #ifdef __KERNEL__ From 89ef3e85de5b5b95cefad2b20e1ed53435589b55 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 31 Jul 2008 13:08:14 +0100 Subject: [PATCH 03/11] [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(-) 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); From 2841d8b893fd326aa039f28c3040378db8ebe8ef Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 31 Jul 2008 13:38:44 +0100 Subject: [PATCH 04/11] [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 | 14 -------------- 1 file changed, 14 deletions(-) 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 From 1374d084736fff6f72f1d143ffdaa90cddd86e7e Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Thu, 31 Jul 2008 22:29:53 +0900 Subject: [PATCH 05/11] [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(+) 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(); } From e522b7ccd26a9774cac9379476ae3c6e005c88be Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 5 Aug 2008 23:42:16 +0100 Subject: [PATCH 06/11] [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(-) 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(); } From 9391d6bbedfd28c20531be75a3929c62bb43676e Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 5 Aug 2008 23:43:35 +0100 Subject: [PATCH 07/11] [MIPS] kgdb: s/(void *)0)/NULL/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/kgdb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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) From a571444a06257558039619a9eecfb137812670eb Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 5 Aug 2008 23:44:49 +0100 Subject: [PATCH 08/11] [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(+) 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); From 1ddfe82dc687bd786cc75c0ea973588394665e60 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 5 Aug 2008 22:24:18 +0200 Subject: [PATCH 09/11] [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(-) 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 */ From b895760dfb9b7ab921b066141d618bc6877f5d4b Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Mon, 11 Aug 2008 23:05:35 +0900 Subject: [PATCH 10/11] [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(-) 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; From 3e6259c3ef30432b4a067d6362738c236eb2e680 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 19 Aug 2008 21:28:21 +0200 Subject: [PATCH 11/11] [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 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