diff options
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r-- | arch/powerpc/kernel/Makefile | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/cputable.c | 8 | ||||
-rw-r--r-- | arch/powerpc/kernel/head_32.S | 7 | ||||
-rw-r--r-- | arch/powerpc/kernel/head_64.S | 6 | ||||
-rw-r--r-- | arch/powerpc/kernel/irq.c | 4 | ||||
-rw-r--r-- | arch/powerpc/kernel/pci-common.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/prom_init.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/prom_init_check.sh | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/udbg.c | 7 | ||||
-rw-r--r-- | arch/powerpc/kernel/udbg_16550.c | 60 |
10 files changed, 82 insertions, 18 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index dfec3d2790b..71901fbda4a 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -75,7 +75,7 @@ obj-y += time.o prom.o traps.o setup-common.o \ obj-$(CONFIG_PPC32) += entry_32.o setup_32.o obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o obj-$(CONFIG_KGDB) += kgdb.o -obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o +obj-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o obj-$(CONFIG_MODULES) += ppc_ksyms.o obj-$(CONFIG_BOOTX_TEXT) += btext.o obj-$(CONFIG_SMP) += smp.o diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 638838691b2..ccea2431ddf 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -731,6 +731,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_setup = __setup_cpu_750, .machine_check = machine_check_generic, .platform = "ppc750", + .oprofile_cpu_type = "ppc/750", + .oprofile_type = PPC_OPROFILE_G4, }, { /* 750FX rev 2.0 must disable HID0[DPM] */ .pvr_mask = 0xffffffff, @@ -746,6 +748,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_setup = __setup_cpu_750, .machine_check = machine_check_generic, .platform = "ppc750", + .oprofile_cpu_type = "ppc/750", + .oprofile_type = PPC_OPROFILE_G4, }, { /* 750FX (All revs except 2.0) */ .pvr_mask = 0xffff0000, @@ -761,6 +765,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_setup = __setup_cpu_750fx, .machine_check = machine_check_generic, .platform = "ppc750", + .oprofile_cpu_type = "ppc/750", + .oprofile_type = PPC_OPROFILE_G4, }, { /* 750GX */ .pvr_mask = 0xffff0000, @@ -776,6 +782,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_setup = __setup_cpu_750fx, .machine_check = machine_check_generic, .platform = "ppc750", + .oprofile_cpu_type = "ppc/750", + .oprofile_type = PPC_OPROFILE_G4, }, { /* 740/750 (L2CR bit need fixup for 740) */ .pvr_mask = 0xffff0000, diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index a1c4cfd25de..f8c2e6b6f45 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -108,18 +108,21 @@ __start: * because OF may have I/O devices mapped into that area * (particularly on CHRP). */ -#ifdef CONFIG_PPC_MULTIPLATFORM cmpwi 0,r5,0 beq 1f +#ifdef CONFIG_PPC_OF_BOOT_TRAMPOLINE /* find out where we are now */ bcl 20,31,$+4 0: mflr r8 /* r8 = runtime addr here */ addis r8,r8,(_stext - 0b)@ha addi r8,r8,(_stext - 0b)@l /* current runtime base addr */ bl prom_init +#endif /* CONFIG_PPC_OF_BOOT_TRAMPOLINE */ + + /* We never return. We also hit that trap if trying to boot + * from OF while CONFIG_PPC_OF_BOOT_TRAMPOLINE isn't selected */ trap -#endif /* * Check for BootX signature when supporting PowerMac and branch to diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index ebaedafc8e6..50ef505b8fb 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -1360,6 +1360,7 @@ _GLOBAL(__start_initialization_multiplatform) b .__after_prom_start _INIT_STATIC(__boot_from_prom) +#ifdef CONFIG_PPC_OF_BOOT_TRAMPOLINE /* Save parameters */ mr r31,r3 mr r30,r4 @@ -1390,7 +1391,10 @@ _INIT_STATIC(__boot_from_prom) /* Do all of the interaction with OF client interface */ mr r8,r26 bl .prom_init - /* We never return */ +#endif /* #CONFIG_PPC_OF_BOOT_TRAMPOLINE */ + + /* We never return. We also hit that trap if trying to boot + * from OF while CONFIG_PPC_OF_BOOT_TRAMPOLINE isn't selected */ trap _STATIC(__after_prom_start) diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 23b8b5e36f9..48ea2008b20 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -171,7 +171,7 @@ int show_interrupts(struct seq_file *p, void *v) { int i = *(loff_t *)v, j; struct irqaction *action; - irq_desc_t *desc; + struct irq_desc *desc; unsigned long flags; if (i == 0) { @@ -1038,7 +1038,7 @@ arch_initcall(irq_late_init); static int virq_debug_show(struct seq_file *m, void *private) { unsigned long flags; - irq_desc_t *desc; + struct irq_desc *desc; const char *p; char none[] = "none"; int i; diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 2ad17315fc8..2603f20984c 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1482,7 +1482,7 @@ void __init pcibios_resource_survey(void) * we proceed to assigning things that were left unassigned */ if (!(ppc_pci_flags & PPC_PCI_PROBE_ONLY)) { - pr_debug("PCI: Assigning unassigned resouces...\n"); + pr_debug("PCI: Assigning unassigned resources...\n"); pci_assign_unassigned_resources(); } diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 7f1b33d5e30..4d5ebb46b2c 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -2283,6 +2283,8 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, */ prom_init_stdout(); + prom_printf("Preparing to boot %s", PTRRELOC((char *)linux_banner)); + /* * Get default machine type. At this point, we do not differentiate * between pSeries SMP and pSeries LPAR diff --git a/arch/powerpc/kernel/prom_init_check.sh b/arch/powerpc/kernel/prom_init_check.sh index ea3a2ec03ff..1ac136b128f 100644 --- a/arch/powerpc/kernel/prom_init_check.sh +++ b/arch/powerpc/kernel/prom_init_check.sh @@ -20,7 +20,7 @@ WHITELIST="add_reloc_offset __bss_start __bss_stop copy_and_flush _end enter_prom memcpy memset reloc_offset __secondary_hold __secondary_hold_acknowledge __secondary_hold_spinloop __start strcmp strcpy strlcpy strlen strncmp strstr logo_linux_clut224 -reloc_got2 kernstart_addr memstart_addr" +reloc_got2 kernstart_addr memstart_addr linux_banner" NM="$1" OBJ="$2" diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index 7d6c9bb8c77..fc9af47e212 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -18,6 +18,7 @@ #include <asm/udbg.h> void (*udbg_putc)(char c); +void (*udbg_flush)(void); int (*udbg_getc)(void); int (*udbg_getc_poll)(void); @@ -76,6 +77,9 @@ void udbg_puts(const char *s) while ((c = *s++) != '\0') udbg_putc(c); } + + if (udbg_flush) + udbg_flush(); } #if 0 else { @@ -98,6 +102,9 @@ int udbg_write(const char *s, int n) } } + if (udbg_flush) + udbg_flush(); + return n - remain; } diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c index 7b7da8cfd5e..0362a891e54 100644 --- a/arch/powerpc/kernel/udbg_16550.c +++ b/arch/powerpc/kernel/udbg_16550.c @@ -48,14 +48,21 @@ struct NS16550 { static struct NS16550 __iomem *udbg_comport; -static void udbg_550_putc(char c) +static void udbg_550_flush(void) { if (udbg_comport) { while ((in_8(&udbg_comport->lsr) & LSR_THRE) == 0) /* wait for idle */; - out_8(&udbg_comport->thr, c); + } +} + +static void udbg_550_putc(char c) +{ + if (udbg_comport) { if (c == '\n') udbg_550_putc('\r'); + udbg_550_flush(); + out_8(&udbg_comport->thr, c); } } @@ -108,6 +115,7 @@ void udbg_init_uart(void __iomem *comport, unsigned int speed, /* Clear & enable FIFOs */ out_8(&udbg_comport->fcr ,0x07); udbg_putc = udbg_550_putc; + udbg_flush = udbg_550_flush; udbg_getc = udbg_550_getc; udbg_getc_poll = udbg_550_getc_poll; } @@ -149,14 +157,21 @@ unsigned int udbg_probe_uart_speed(void __iomem *comport, unsigned int clock) } #ifdef CONFIG_PPC_MAPLE -void udbg_maple_real_putc(char c) +void udbg_maple_real_flush(void) { if (udbg_comport) { while ((real_readb(&udbg_comport->lsr) & LSR_THRE) == 0) /* wait for idle */; - real_writeb(c, &udbg_comport->thr); eieio(); + } +} + +void udbg_maple_real_putc(char c) +{ + if (udbg_comport) { if (c == '\n') udbg_maple_real_putc('\r'); + udbg_maple_real_flush(); + real_writeb(c, &udbg_comport->thr); eieio(); } } @@ -165,20 +180,28 @@ void __init udbg_init_maple_realmode(void) udbg_comport = (struct NS16550 __iomem *)0xf40003f8; udbg_putc = udbg_maple_real_putc; + udbg_flush = udbg_maple_real_flush; udbg_getc = NULL; udbg_getc_poll = NULL; } #endif /* CONFIG_PPC_MAPLE */ #ifdef CONFIG_PPC_PASEMI -void udbg_pas_real_putc(char c) +void udbg_pas_real_flush(void) { if (udbg_comport) { while ((real_205_readb(&udbg_comport->lsr) & LSR_THRE) == 0) /* wait for idle */; - real_205_writeb(c, &udbg_comport->thr); eieio(); + } +} + +void udbg_pas_real_putc(char c) +{ + if (udbg_comport) { if (c == '\n') udbg_pas_real_putc('\r'); + udbg_pas_real_flush(); + real_205_writeb(c, &udbg_comport->thr); eieio(); } } @@ -187,6 +210,7 @@ void udbg_init_pas_realmode(void) udbg_comport = (struct NS16550 __iomem *)0xfcff03f8UL; udbg_putc = udbg_pas_real_putc; + udbg_flush = udbg_pas_real_flush; udbg_getc = NULL; udbg_getc_poll = NULL; } @@ -195,14 +219,21 @@ void udbg_init_pas_realmode(void) #ifdef CONFIG_PPC_EARLY_DEBUG_44x #include <platforms/44x/44x.h> -static void udbg_44x_as1_putc(char c) +static int udbg_44x_as1_flush(void) { if (udbg_comport) { while ((as1_readb(&udbg_comport->lsr) & LSR_THRE) == 0) /* wait for idle */; - as1_writeb(c, &udbg_comport->thr); eieio(); + } +} + +static void udbg_44x_as1_putc(char c) +{ + if (udbg_comport) { if (c == '\n') udbg_44x_as1_putc('\r'); + udbg_44x_as1_flush(); + as1_writeb(c, &udbg_comport->thr); eieio(); } } @@ -222,19 +253,27 @@ void __init udbg_init_44x_as1(void) (struct NS16550 __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR; udbg_putc = udbg_44x_as1_putc; + udbg_flush = udbg_44x_as1_flush; udbg_getc = udbg_44x_as1_getc; } #endif /* CONFIG_PPC_EARLY_DEBUG_44x */ #ifdef CONFIG_PPC_EARLY_DEBUG_40x -static void udbg_40x_real_putc(char c) +static void udbg_40x_real_flush(void) { if (udbg_comport) { while ((real_readb(&udbg_comport->lsr) & LSR_THRE) == 0) /* wait for idle */; - real_writeb(c, &udbg_comport->thr); eieio(); + } +} + +static void udbg_40x_real_putc(char c) +{ + if (udbg_comport) { if (c == '\n') udbg_40x_real_putc('\r'); + udbg_40x_real_flush(); + real_writeb(c, &udbg_comport->thr); eieio(); } } @@ -254,6 +293,7 @@ void __init udbg_init_40x_realmode(void) CONFIG_PPC_EARLY_DEBUG_40x_PHYSADDR; udbg_putc = udbg_40x_real_putc; + udbg_flush = udbg_40x_real_flush; udbg_getc = udbg_40x_real_getc; udbg_getc_poll = NULL; } |