diff options
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/futex.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/olpc.h | 132 | ||||
| -rw-r--r-- | include/asm-x86/pci.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/thread_info_32.h | 13 | ||||
| -rw-r--r-- | include/asm-x86/thread_info_64.h | 13 | ||||
| -rw-r--r-- | include/asm-x86/time.h | 1 | ||||
| -rw-r--r-- | include/asm-x86/topology.h | 20 | ||||
| -rw-r--r-- | include/asm-x86/tsc.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/unaligned.h | 31 |
9 files changed, 182 insertions, 34 deletions
diff --git a/include/asm-x86/futex.h b/include/asm-x86/futex.h index ac0fbf24d72..e7a76b37b33 100644 --- a/include/asm-x86/futex.h +++ b/include/asm-x86/futex.h @@ -4,12 +4,12 @@ #ifdef __KERNEL__ #include <linux/futex.h> +#include <linux/uaccess.h> #include <asm/asm.h> #include <asm/errno.h> #include <asm/processor.h> #include <asm/system.h> -#include <asm/uaccess.h> #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \ asm volatile("1:\t" insn "\n" \ diff --git a/include/asm-x86/olpc.h b/include/asm-x86/olpc.h new file mode 100644 index 00000000000..97d47133486 --- /dev/null +++ b/include/asm-x86/olpc.h @@ -0,0 +1,132 @@ +/* OLPC machine specific definitions */ + +#ifndef ASM_OLPC_H_ +#define ASM_OLPC_H_ + +#include <asm/geode.h> + +struct olpc_platform_t { + int flags; + uint32_t boardrev; + int ecver; +}; + +#define OLPC_F_PRESENT 0x01 +#define OLPC_F_DCON 0x02 +#define OLPC_F_VSA 0x04 + +#ifdef CONFIG_OLPC + +extern struct olpc_platform_t olpc_platform_info; + +/* + * OLPC board IDs contain the major build number within the mask 0x0ff0, + * and the minor build number withing 0x000f. Pre-builds have a minor + * number less than 8, and normal builds start at 8. For example, 0x0B10 + * is a PreB1, and 0x0C18 is a C1. + */ + +static inline uint32_t olpc_board(uint8_t id) +{ + return (id << 4) | 0x8; +} + +static inline uint32_t olpc_board_pre(uint8_t id) +{ + return id << 4; +} + +static inline int machine_is_olpc(void) +{ + return (olpc_platform_info.flags & OLPC_F_PRESENT) ? 1 : 0; +} + +/* + * The DCON is OLPC's Display Controller. It has a number of unique + * features that we might want to take advantage of.. + */ +static inline int olpc_has_dcon(void) +{ + return (olpc_platform_info.flags & OLPC_F_DCON) ? 1 : 0; +} + +/* + * The VSA is software from AMD that typical Geode bioses will include. + * It is used to emulate the PCI bus, VGA, etc. OLPC's Open Firmware does + * not include the VSA; instead, PCI is emulated by the kernel. + * + * The VSA is described further in arch/x86/pci/olpc.c. + */ +static inline int olpc_has_vsa(void) +{ + return (olpc_platform_info.flags & OLPC_F_VSA) ? 1 : 0; +} + +/* + * The "Mass Production" version of OLPC's XO is identified as being model + * C2. During the prototype phase, the following models (in chronological + * order) were created: A1, B1, B2, B3, B4, C1. The A1 through B2 models + * were based on Geode GX CPUs, and models after that were based upon + * Geode LX CPUs. There were also some hand-assembled models floating + * around, referred to as PreB1, PreB2, etc. + */ +static inline int olpc_board_at_least(uint32_t rev) +{ + return olpc_platform_info.boardrev >= rev; +} + +#else + +static inline int machine_is_olpc(void) +{ + return 0; +} + +static inline int olpc_has_dcon(void) +{ + return 0; +} + +static inline int olpc_has_vsa(void) +{ + return 0; +} + +#endif + +/* EC related functions */ + +extern int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen, + unsigned char *outbuf, size_t outlen); + +extern int olpc_ec_mask_set(uint8_t bits); +extern int olpc_ec_mask_unset(uint8_t bits); + +/* EC commands */ + +#define EC_FIRMWARE_REV 0x08 + +/* SCI source values */ + +#define EC_SCI_SRC_EMPTY 0x00 +#define EC_SCI_SRC_GAME 0x01 +#define EC_SCI_SRC_BATTERY 0x02 +#define EC_SCI_SRC_BATSOC 0x04 +#define EC_SCI_SRC_BATERR 0x08 +#define EC_SCI_SRC_EBOOK 0x10 +#define EC_SCI_SRC_WLAN 0x20 +#define EC_SCI_SRC_ACPWR 0x40 +#define EC_SCI_SRC_ALL 0x7F + +/* GPIO assignments */ + +#define OLPC_GPIO_MIC_AC geode_gpio(1) +#define OLPC_GPIO_DCON_IRQ geode_gpio(7) +#define OLPC_GPIO_THRM_ALRM geode_gpio(10) +#define OLPC_GPIO_SMB_CLK geode_gpio(14) +#define OLPC_GPIO_SMB_DATA geode_gpio(15) +#define OLPC_GPIO_WORKAUX geode_gpio(24) +#define OLPC_GPIO_LID geode_gpio(26) +#define OLPC_GPIO_ECSCI geode_gpio(27) + +#endif diff --git a/include/asm-x86/pci.h b/include/asm-x86/pci.h index ddd8e248fc0..30bbde0cb34 100644 --- a/include/asm-x86/pci.h +++ b/include/asm-x86/pci.h @@ -19,6 +19,8 @@ struct pci_sysdata { }; /* scan a bus after allocating a pci_sysdata for it */ +extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, + int node); extern struct pci_bus *pci_scan_bus_with_sysdata(int busno); static inline int pci_domain_nr(struct pci_bus *bus) diff --git a/include/asm-x86/thread_info_32.h b/include/asm-x86/thread_info_32.h index 53185996209..b6338829d1a 100644 --- a/include/asm-x86/thread_info_32.h +++ b/include/asm-x86/thread_info_32.h @@ -131,7 +131,6 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SYSCALL_EMU 5 /* syscall emulation active */ #define TIF_SYSCALL_AUDIT 6 /* syscall auditing active */ #define TIF_SECCOMP 7 /* secure computing */ -#define TIF_RESTORE_SIGMASK 8 /* restore signal mask in do_signal() */ #define TIF_HRTICK_RESCHED 9 /* reprogram hrtick timer */ #define TIF_MEMDIE 16 #define TIF_DEBUG 17 /* uses debug registers */ @@ -151,7 +150,6 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SYSCALL_EMU (1 << TIF_SYSCALL_EMU) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_HRTICK_RESCHED (1 << TIF_HRTICK_RESCHED) #define _TIF_DEBUG (1 << TIF_DEBUG) #define _TIF_IO_BITMAP (1 << TIF_IO_BITMAP) @@ -188,9 +186,20 @@ static inline struct thread_info *current_thread_info(void) this quantum (SMP) */ #define TS_POLLING 0x0002 /* True if in idle loop and not sleeping */ +#define TS_RESTORE_SIGMASK 0x0004 /* restore signal mask in do_signal() */ #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING) +#ifndef __ASSEMBLY__ +#define HAVE_SET_RESTORE_SIGMASK 1 +static inline void set_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + ti->status |= TS_RESTORE_SIGMASK; + set_bit(TIF_SIGPENDING, &ti->flags); +} +#endif /* !__ASSEMBLY__ */ + #endif /* __KERNEL__ */ #endif /* _ASM_THREAD_INFO_H */ diff --git a/include/asm-x86/thread_info_64.h b/include/asm-x86/thread_info_64.h index ed664e874de..cb69f70abba 100644 --- a/include/asm-x86/thread_info_64.h +++ b/include/asm-x86/thread_info_64.h @@ -109,7 +109,6 @@ static inline struct thread_info *stack_thread_info(void) #define TIF_IRET 5 /* force IRET */ #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ #define TIF_SECCOMP 8 /* secure computing */ -#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal */ #define TIF_MCE_NOTIFY 10 /* notify userspace of an MCE */ #define TIF_HRTICK_RESCHED 11 /* reprogram hrtick timer */ /* 16 free */ @@ -133,7 +132,6 @@ static inline struct thread_info *stack_thread_info(void) #define _TIF_IRET (1 << TIF_IRET) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_MCE_NOTIFY (1 << TIF_MCE_NOTIFY) #define _TIF_HRTICK_RESCHED (1 << TIF_HRTICK_RESCHED) #define _TIF_IA32 (1 << TIF_IA32) @@ -178,9 +176,20 @@ static inline struct thread_info *stack_thread_info(void) #define TS_COMPAT 0x0002 /* 32bit syscall active */ #define TS_POLLING 0x0004 /* true if in idle loop and not sleeping */ +#define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal() */ #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING) +#ifndef __ASSEMBLY__ +#define HAVE_SET_RESTORE_SIGMASK 1 +static inline void set_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + ti->status |= TS_RESTORE_SIGMASK; + set_bit(TIF_SIGPENDING, &ti->flags); +} +#endif /* !__ASSEMBLY__ */ + #endif /* __KERNEL__ */ #endif /* _ASM_THREAD_INFO_H */ diff --git a/include/asm-x86/time.h b/include/asm-x86/time.h index 68779b048a3..bce72d7a958 100644 --- a/include/asm-x86/time.h +++ b/include/asm-x86/time.h @@ -1,7 +1,6 @@ #ifndef _ASMX86_TIME_H #define _ASMX86_TIME_H -extern void (*late_time_init)(void); extern void hpet_time_init(void); #include <asm/mc146818rtc.h> diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h index 22073268b48..4f35a0fb4f2 100644 --- a/include/asm-x86/topology.h +++ b/include/asm-x86/topology.h @@ -193,9 +193,29 @@ extern cpumask_t cpu_coregroup_map(int cpu); #define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) #endif +static inline void arch_fix_phys_package_id(int num, u32 slot) +{ +} + +struct pci_bus; +void set_pci_bus_resources_arch_default(struct pci_bus *b); + #ifdef CONFIG_SMP #define mc_capable() (boot_cpu_data.x86_max_cores > 1) #define smt_capable() (smp_num_siblings > 1) #endif +#ifdef CONFIG_NUMA +extern int get_mp_bus_to_node(int busnum); +extern void set_mp_bus_to_node(int busnum, int node); +#else +static inline int get_mp_bus_to_node(int busnum) +{ + return 0; +} +static inline void set_mp_bus_to_node(int busnum, int node) +{ +} +#endif + #endif diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h index d2d8eb5b55f..548873ab5fc 100644 --- a/include/asm-x86/tsc.h +++ b/include/asm-x86/tsc.h @@ -32,7 +32,7 @@ static inline cycles_t get_cycles(void) return ret; } -static inline cycles_t vget_cycles(void) +static __always_inline cycles_t vget_cycles(void) { /* * We only do VDSOs on TSC capable CPUs, so this shouldnt diff --git a/include/asm-x86/unaligned.h b/include/asm-x86/unaligned.h index d270ffe7275..a7bd416b476 100644 --- a/include/asm-x86/unaligned.h +++ b/include/asm-x86/unaligned.h @@ -3,35 +3,12 @@ /* * The x86 can do unaligned accesses itself. - * - * The strange macros are there to make sure these can't - * be misused in a way that makes them not work on other - * architectures where unaligned accesses aren't as simple. */ -/** - * get_unaligned - get value from possibly mis-aligned location - * @ptr: pointer to value - * - * This macro should be used for accessing values larger in size than - * single bytes at locations that are expected to be improperly aligned, - * e.g. retrieving a u16 value from a location not u16-aligned. - * - * Note that unaligned accesses can be very expensive on some architectures. - */ -#define get_unaligned(ptr) (*(ptr)) +#include <linux/unaligned/access_ok.h> +#include <linux/unaligned/generic.h> -/** - * put_unaligned - put value to a possibly mis-aligned location - * @val: value to place - * @ptr: pointer to location - * - * This macro should be used for placing values larger in size than - * single bytes at locations that are expected to be improperly aligned, - * e.g. writing a u16 value to a location not u16-aligned. - * - * Note that unaligned accesses can be very expensive on some architectures. - */ -#define put_unaligned(val, ptr) ((void)(*(ptr) = (val))) +#define get_unaligned __get_unaligned_le +#define put_unaligned __put_unaligned_le #endif /* _ASM_X86_UNALIGNED_H */ |