diff options
author | Paul Mackerras <paulus@samba.org> | 2006-12-11 16:31:42 +1100 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2006-12-11 16:31:42 +1100 |
commit | 973c1fabc70deb10f12a0eaab2f50c2263784257 (patch) | |
tree | 5b0ef183757049d241d0709f0cea9e370627b687 /arch/powerpc | |
parent | 4383162c8f2fa75d916c4901b0d1ebcac7aeaf74 (diff) | |
parent | d10f73480b991da2aa1c000ed38eda3e4a987292 (diff) | |
download | kernel_samsung_espresso10-973c1fabc70deb10f12a0eaab2f50c2263784257.zip kernel_samsung_espresso10-973c1fabc70deb10f12a0eaab2f50c2263784257.tar.gz kernel_samsung_espresso10-973c1fabc70deb10f12a0eaab2f50c2263784257.tar.bz2 |
Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/Kconfig | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/cputable.c | 5 | ||||
-rw-r--r-- | arch/powerpc/kernel/head_32.S | 7 | ||||
-rw-r--r-- | arch/powerpc/kernel/of_device.c | 4 | ||||
-rw-r--r-- | arch/powerpc/kernel/ppc_ksyms.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/traps.c | 2 | ||||
-rw-r--r-- | arch/powerpc/sysdev/Makefile | 3 |
7 files changed, 16 insertions, 9 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index f524b3b..a35212b 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -707,7 +707,7 @@ config FORCE_MAX_ZONEORDER config MATH_EMULATION bool "Math emulation" - depends on 4xx || 8xx || E200 || E500 + depends on 4xx || 8xx || E200 || PPC_83xx || E500 ---help--- Some PowerPC chips designed for embedded applications do not have a floating-point unit and therefore do not implement the diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 9d1614c..b742013 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -833,7 +833,7 @@ static struct cpu_spec cpu_specs[] = { .pvr_mask = 0x7fff0000, .pvr_value = 0x00840000, .cpu_name = "e300c2", - .cpu_features = CPU_FTRS_E300, + .cpu_features = CPU_FTRS_E300C2, .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU, .icache_bsize = 32, .dcache_bsize = 32, @@ -1136,8 +1136,7 @@ static struct cpu_spec cpu_specs[] = { .pvr_mask = 0xff000fff, .pvr_value = 0x53000890, .cpu_name = "440SPe Rev. A", - .cpu_features = CPU_FTR_SPLIT_ID_CACHE | - CPU_FTR_USE_TB, + .cpu_features = CPU_FTRS_44X, .cpu_user_features = COMMON_USER_BOOKE, .icache_bsize = 32, .dcache_bsize = 32, diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index d88e182..9417cf5 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -437,6 +437,13 @@ Alignment: /* Floating-point unavailable */ . = 0x800 FPUnavailable: +BEGIN_FTR_SECTION +/* + * Certain Freescale cores don't have a FPU and treat fp instructions + * as a FP Unavailable exception. Redirect to illegal/emulation handling. + */ + b ProgramCheck +END_FTR_SECTION_IFSET(CPU_FTR_FPU_UNAVAILABLE) EXCEPTION_PROLOG bne load_up_fpu /* if from user, just load it up */ addi r3,r1,STACK_FRAME_OVERHEAD diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c index 8a06724..e921514 100644 --- a/arch/powerpc/kernel/of_device.c +++ b/arch/powerpc/kernel/of_device.c @@ -109,9 +109,7 @@ int of_device_register(struct of_device *ofdev) if (rc) return rc; - device_create_file(&ofdev->dev, &dev_attr_devspec); - - return 0; + return device_create_file(&ofdev->dev, &dev_attr_devspec); } void of_device_unregister(struct of_device *ofdev) diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index 9179f07..95776b6 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -208,7 +208,7 @@ EXPORT_SYMBOL(mmu_hash_lock); /* For MOL */ extern long *intercept_table; EXPORT_SYMBOL(intercept_table); #endif /* CONFIG_PPC_STD_MMU_32 */ -#if defined(CONFIG_40x) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_DCR_NATIVE EXPORT_SYMBOL(__mtdcr); EXPORT_SYMBOL(__mfdcr); #endif diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 0d4e203..fde820e 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -782,6 +782,8 @@ void __kprobes program_check_exception(struct pt_regs *regs) unsigned int reason = get_reason(regs); extern int do_mathemu(struct pt_regs *regs); + /* We can now get here via a FP Unavailable exception if the core + * has no FPU, in that case no reason flags will be set */ #ifdef CONFIG_MATH_EMULATION /* (reason & REASON_ILLEGAL) would be the obvious thing here, * but there seems to be a hardware bug on the 405GP (RevD) diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 6cc3459..04d4917 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -5,7 +5,8 @@ endif obj-$(CONFIG_MPIC) += mpic.o obj-$(CONFIG_PPC_INDIRECT_PCI) += indirect_pci.o obj-$(CONFIG_PPC_MPC106) += grackle.o -obj-$(CONFIG_PPC_DCR) += dcr.o dcr-low.o +obj-$(CONFIG_PPC_DCR) += dcr.o +obj-$(CONFIG_PPC_DCR_NATIVE) += dcr-low.o obj-$(CONFIG_U3_DART) += dart_iommu.o obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o obj-$(CONFIG_FSL_SOC) += fsl_soc.o |