diff options
Diffstat (limited to 'arch/m68k')
31 files changed, 390 insertions, 897 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index ecdc19a299b..b5da298ba61 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -536,10 +536,6 @@ config GVPIOEXT_PLIP Say Y to enable doing IP over the parallel port on your GVP IO-Extender card, N otherwise. -config MAC_SCC - tristate "Macintosh serial support" - depends on MAC - config MAC_HID bool depends on INPUT_ADBHID @@ -595,7 +591,7 @@ config DN_SERIAL config SERIAL_CONSOLE bool "Support for serial port console" - depends on (AMIGA || ATARI || MAC || SUN3 || SUN3X || VME || APOLLO) && (ATARI_MFPSER=y || ATARI_MIDI=y || MAC_SCC=y || AMIGA_BUILTIN_SERIAL=y || GVPIOEXT=y || MULTIFACE_III_TTY=y || SERIAL=y || MVME147_SCC || SERIAL167 || MVME162_SCC || BVME6000_SCC || DN_SERIAL) + depends on (AMIGA || ATARI || SUN3 || SUN3X || VME || APOLLO) && (ATARI_MFPSER=y || ATARI_MIDI=y || AMIGA_BUILTIN_SERIAL=y || GVPIOEXT=y || MULTIFACE_III_TTY=y || SERIAL=y || MVME147_SCC || SERIAL167 || MVME162_SCC || BVME6000_SCC || DN_SERIAL) ---help--- If you say Y here, it will be possible to use a serial port as the system console (the system console is the device which receives all diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c index 6c74751c7b8..d2cc35d9853 100644 --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -480,7 +480,7 @@ static void __init amiga_sched_init(irq_handler_t timer_routine) static struct resource sched_res = { .name = "timer", .start = 0x00bfd400, .end = 0x00bfd5ff, }; - jiffy_ticks = (amiga_eclock+HZ/2)/HZ; + jiffy_ticks = DIV_ROUND_CLOSEST(amiga_eclock, HZ); if (request_resource(&mb_resources._ciab, &sched_res)) printk("Cannot allocate ciab.ta{lo,hi}\n"); diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c index 4add96d13b1..5890897d28b 100644 --- a/arch/m68k/atari/atakeyb.c +++ b/arch/m68k/atari/atakeyb.c @@ -121,7 +121,7 @@ KEYBOARD_STATE kb_state; * bytes have been lost and in which state of the packet structure we are now. * This usually causes keyboards bytes to be interpreted as mouse movements * and vice versa, which is very annoying. It seems better to throw away some - * bytes (that are usually mouse bytes) than to misinterpret them. Therefor I + * bytes (that are usually mouse bytes) than to misinterpret them. Therefore I * introduced the RESYNC state for IKBD data. In this state, the bytes up to * one that really looks like a key event (0x04..0xf2) or the start of a mouse * packet (0xf8..0xfb) are thrown away, but at most 2 bytes. This at least diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig index 9991b64fea5..c5f3232ff91 100644 --- a/arch/m68k/configs/mac_defconfig +++ b/arch/m68k/configs/mac_defconfig @@ -701,6 +701,11 @@ CONFIG_VT_HW_CONSOLE_BINDING=y # # Non-8250 serial port support # +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_SERIAL_PMACZILOG=y +CONFIG_SERIAL_PMACZILOG_TTYS=y +CONFIG_SERIAL_PMACZILOG_CONSOLE=y CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set CONFIG_LEGACY_PTYS=y @@ -834,9 +839,7 @@ CONFIG_HIDRAW=y # # Character devices # -CONFIG_MAC_SCC=y CONFIG_MAC_HID=y -CONFIG_SERIAL_CONSOLE=y # # File systems diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig index 69c43e2d8b4..a8bfa3fa71c 100644 --- a/arch/m68k/configs/multi_defconfig +++ b/arch/m68k/configs/multi_defconfig @@ -822,6 +822,11 @@ CONFIG_A2232=y # # Non-8250 serial port support # +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_SERIAL_PMACZILOG=y +CONFIG_SERIAL_PMACZILOG_TTYS=y +CONFIG_SERIAL_PMACZILOG_CONSOLE=y CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set CONFIG_LEGACY_PTYS=y @@ -982,7 +987,6 @@ CONFIG_ATARI_MIDI=y CONFIG_ATARI_DSP56K=m CONFIG_AMIGA_BUILTIN_SERIAL=y CONFIG_MULTIFACE_III_TTY=m -CONFIG_MAC_SCC=y CONFIG_MAC_HID=y CONFIG_MVME147_SCC=y CONFIG_SERIAL167=y diff --git a/arch/m68k/include/asm/fbio.h b/arch/m68k/include/asm/fbio.h index b9215a0907d..0a21da87f7d 100644 --- a/arch/m68k/include/asm/fbio.h +++ b/arch/m68k/include/asm/fbio.h @@ -173,7 +173,7 @@ struct mdi_cfginfo { int mdi_ncluts; /* Number of implemented CLUTs in this MDI */ int mdi_type; /* FBTYPE name */ int mdi_height; /* height */ - int mdi_width; /* widht */ + int mdi_width; /* width */ int mdi_size; /* available ram */ int mdi_mode; /* 8bpp, 16bpp or 32bpp */ int mdi_pixfreq; /* pixel clock (from PROM) */ diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h index 359065d5a9f..6e2413e518c 100644 --- a/arch/m68k/include/asm/io_no.h +++ b/arch/m68k/include/asm/io_no.h @@ -16,7 +16,7 @@ * memory location directly. */ /* ++roman: The assignments to temp. vars avoid that gcc sometimes generates - * two accesses to memory, which may be undesireable for some devices. + * two accesses to memory, which may be undesirable for some devices. */ /* diff --git a/arch/m68k/include/asm/machw.h b/arch/m68k/include/asm/machw.h index 2b4de0c2ce4..a2209516492 100644 --- a/arch/m68k/include/asm/machw.h +++ b/arch/m68k/include/asm/machw.h @@ -21,29 +21,4 @@ #define VIDEOMEMSIZE (4096*1024) #define VIDEOMEMMASK (-4096*1024) -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - -#if 0 -/* -** SCC Z8530 -*/ - -#define MAC_SCC_BAS (0x50F04000) -struct MAC_SCC - { - u_char cha_a_ctrl; - u_char char_dummy1; - u_char cha_a_data; - u_char char_dummy2; - u_char cha_b_ctrl; - u_char char_dummy3; - u_char cha_b_data; - }; -# define mac_scc ((*(volatile struct SCC*)MAC_SCC_BAS)) -#endif - -#endif /* __ASSEMBLY__ */ - #endif /* linux/machw.h */ diff --git a/arch/m68k/include/asm/macints.h b/arch/m68k/include/asm/macints.h index 679c48ab440..ebe1b70fe90 100644 --- a/arch/m68k/include/asm/macints.h +++ b/arch/m68k/include/asm/macints.h @@ -37,7 +37,6 @@ #define VIA1_SOURCE_BASE 8 #define VIA2_SOURCE_BASE 16 -#define MAC_SCC_SOURCE_BASE 24 #define PSC3_SOURCE_BASE 24 #define PSC4_SOURCE_BASE 32 #define PSC5_SOURCE_BASE 40 @@ -96,26 +95,12 @@ #define IRQ_PSC3_2 (26) #define IRQ_PSC3_3 (27) -/* Level 4 (SCC) interrupts */ -#define IRQ_SCC (32) -#define IRQ_SCCA (33) -#define IRQ_SCCB (34) -#if 0 /* FIXME: are there multiple interrupt conditions on the SCC ?? */ -/* SCC interrupts */ -#define IRQ_SCCB_TX (32) -#define IRQ_SCCB_STAT (33) -#define IRQ_SCCB_RX (34) -#define IRQ_SCCB_SPCOND (35) -#define IRQ_SCCA_TX (36) -#define IRQ_SCCA_STAT (37) -#define IRQ_SCCA_RX (38) -#define IRQ_SCCA_SPCOND (39) -#endif - /* Level 4 (PSC, AV Macs only) interrupts */ #define IRQ_PSC4_0 (32) #define IRQ_PSC4_1 (33) +#define IRQ_MAC_SCC_A IRQ_PSC4_1 #define IRQ_PSC4_2 (34) +#define IRQ_MAC_SCC_B IRQ_PSC4_2 #define IRQ_PSC4_3 (35) #define IRQ_MAC_MACE_DMA IRQ_PSC4_3 @@ -146,6 +131,9 @@ #define IRQ_BABOON_2 (66) #define IRQ_BABOON_3 (67) +/* On non-PSC machines, the serial ports share an IRQ */ +#define IRQ_MAC_SCC IRQ_AUTO_4 + #define SLOT2IRQ(x) (x + 47) #define IRQ2SLOT(x) (x - 47) diff --git a/arch/m68k/include/asm/pgtable_mm.h b/arch/m68k/include/asm/pgtable_mm.h index aca0e28581c..87174c904d2 100644 --- a/arch/m68k/include/asm/pgtable_mm.h +++ b/arch/m68k/include/asm/pgtable_mm.h @@ -115,7 +115,7 @@ extern void kernel_set_cachemode(void *addr, unsigned long size, int cmode); * they are updated on demand. */ static inline void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t pte) + unsigned long address, pte_t *ptep) { } diff --git a/arch/m68k/include/asm/ptrace.h b/arch/m68k/include/asm/ptrace.h index ee4011c2328..6e6e3ac1d91 100644 --- a/arch/m68k/include/asm/ptrace.h +++ b/arch/m68k/include/asm/ptrace.h @@ -71,6 +71,8 @@ struct switch_stack { #define PTRACE_GETFPREGS 14 #define PTRACE_SETFPREGS 15 +#define PTRACE_GET_THREAD_AREA 25 + #define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */ #ifdef __KERNEL__ @@ -85,18 +87,10 @@ struct switch_stack { #define profile_pc(regs) instruction_pointer(regs) extern void show_regs(struct pt_regs *); -/* - * These are defined as per linux/ptrace.h. - */ -struct task_struct; - #define arch_has_single_step() (1) -extern void user_enable_single_step(struct task_struct *); -extern void user_disable_single_step(struct task_struct *); #ifdef CONFIG_MMU #define arch_has_block_step() (1) -extern void user_enable_block_step(struct task_struct *); #endif #endif /* __KERNEL__ */ diff --git a/arch/m68k/include/asm/sigcontext.h b/arch/m68k/include/asm/sigcontext.h index 523db2a51cf..1320eaa4cc2 100644 --- a/arch/m68k/include/asm/sigcontext.h +++ b/arch/m68k/include/asm/sigcontext.h @@ -15,9 +15,15 @@ struct sigcontext { unsigned long sc_pc; unsigned short sc_formatvec; #ifndef __uClinux__ +# ifdef __mcoldfire__ + unsigned long sc_fpregs[2][2]; /* room for two fp registers */ + unsigned long sc_fpcntl[3]; + unsigned char sc_fpstate[16+6*8]; +# else unsigned long sc_fpregs[2*3]; /* room for two fp registers */ unsigned long sc_fpcntl[3]; unsigned char sc_fpstate[216]; +# endif #endif }; diff --git a/arch/m68k/include/asm/siginfo.h b/arch/m68k/include/asm/siginfo.h index ca7dde8fd22..851d3d784b5 100644 --- a/arch/m68k/include/asm/siginfo.h +++ b/arch/m68k/include/asm/siginfo.h @@ -1,97 +1,6 @@ #ifndef _M68K_SIGINFO_H #define _M68K_SIGINFO_H -#ifndef __uClinux__ -#define HAVE_ARCH_SIGINFO_T -#define HAVE_ARCH_COPY_SIGINFO -#endif - #include <asm-generic/siginfo.h> -#ifndef __uClinux__ - -typedef struct siginfo { - int si_signo; - int si_errno; - int si_code; - - union { - int _pad[SI_PAD_SIZE]; - - /* kill() */ - struct { - __kernel_pid_t _pid; /* sender's pid */ - __kernel_uid_t _uid; /* backwards compatibility */ - __kernel_uid32_t _uid32; /* sender's uid */ - } _kill; - - /* POSIX.1b timers */ - struct { - timer_t _tid; /* timer id */ - int _overrun; /* overrun count */ - char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)]; - sigval_t _sigval; /* same as below */ - int _sys_private; /* not to be passed to user */ - } _timer; - - /* POSIX.1b signals */ - struct { - __kernel_pid_t _pid; /* sender's pid */ - __kernel_uid_t _uid; /* backwards compatibility */ - sigval_t _sigval; - __kernel_uid32_t _uid32; /* sender's uid */ - } _rt; - - /* SIGCHLD */ - struct { - __kernel_pid_t _pid; /* which child */ - __kernel_uid_t _uid; /* backwards compatibility */ - int _status; /* exit code */ - clock_t _utime; - clock_t _stime; - __kernel_uid32_t _uid32; /* sender's uid */ - } _sigchld; - - /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ - struct { - void *_addr; /* faulting insn/memory ref. */ - } _sigfault; - - /* SIGPOLL */ - struct { - int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ - int _fd; - } _sigpoll; - } _sifields; -} siginfo_t; - -#define UID16_SIGINFO_COMPAT_NEEDED - -/* - * How these fields are to be accessed. - */ -#undef si_uid -#ifdef __KERNEL__ -#define si_uid _sifields._kill._uid32 -#define si_uid16 _sifields._kill._uid -#else -#define si_uid _sifields._kill._uid -#endif - -#ifdef __KERNEL__ - -#include <linux/string.h> - -static inline void copy_siginfo(struct siginfo *to, struct siginfo *from) -{ - if (from->si_code < 0) - memcpy(to, from, sizeof(*to)); - else - /* _sigchld is currently the largest know union member */ - memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld)); -} - -#endif /* __KERNEL__ */ -#endif /* !__uClinux__ */ - #endif diff --git a/arch/m68k/include/asm/swab.h b/arch/m68k/include/asm/swab.h index 5b754aace74..b7b37a40def 100644 --- a/arch/m68k/include/asm/swab.h +++ b/arch/m68k/include/asm/swab.h @@ -14,7 +14,7 @@ static inline __attribute_const__ __u32 __arch_swab32(__u32 val) } #define __arch_swab32 __arch_swab32 -#elif !defined(__uClinux__) +#elif !defined(__mcoldfire__) static inline __attribute_const__ __u32 __arch_swab32(__u32 val) { diff --git a/arch/m68k/include/asm/thread_info_mm.h b/arch/m68k/include/asm/thread_info_mm.h index 167e518db41..67266c68345 100644 --- a/arch/m68k/include/asm/thread_info_mm.h +++ b/arch/m68k/include/asm/thread_info_mm.h @@ -16,6 +16,7 @@ struct thread_info { struct exec_domain *exec_domain; /* execution domain */ int preempt_count; /* 0 => preemptable, <0 => BUG */ __u32 cpu; /* should always be 0 on m68k */ + unsigned long tp_value; /* thread pointer */ struct restart_block restart_block; }; #endif /* __ASSEMBLY__ */ diff --git a/arch/m68k/include/asm/thread_info_no.h b/arch/m68k/include/asm/thread_info_no.h index a6512bfdd01..884776f686c 100644 --- a/arch/m68k/include/asm/thread_info_no.h +++ b/arch/m68k/include/asm/thread_info_no.h @@ -37,6 +37,7 @@ struct thread_info { unsigned long flags; /* low level flags */ int cpu; /* cpu we're on */ int preempt_count; /* 0 => preemptable, <0 => BUG */ + unsigned long tp_value; /* thread pointer */ struct restart_block restart_block; }; diff --git a/arch/m68k/include/asm/ucontext.h b/arch/m68k/include/asm/ucontext.h index e4e22669edc..00dcc5176c5 100644 --- a/arch/m68k/include/asm/ucontext.h +++ b/arch/m68k/include/asm/ucontext.h @@ -7,7 +7,11 @@ typedef greg_t gregset_t[NGREG]; typedef struct fpregset { int f_fpcntl[3]; +#ifdef __mcoldfire__ + int f_fpregs[8][2]; +#else int f_fpregs[8*3]; +#endif } fpregset_t; struct mcontext { diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 48b87f5ced5..60b15d0aa07 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -336,10 +336,14 @@ #define __NR_pwritev 330 #define __NR_rt_tgsigqueueinfo 331 #define __NR_perf_event_open 332 +#define __NR_get_thread_area 333 +#define __NR_set_thread_area 334 +#define __NR_atomic_cmpxchg_32 335 +#define __NR_atomic_barrier 336 #ifdef __KERNEL__ -#define NR_syscalls 333 +#define NR_syscalls 337 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR @@ -347,6 +351,7 @@ #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM #define __ARCH_WANT_SYS_GETHOSTNAME +#define __ARCH_WANT_SYS_IPC #define __ARCH_WANT_SYS_PAUSE #define __ARCH_WANT_SYS_SGETMASK #define __ARCH_WANT_SYS_SIGNAL @@ -359,6 +364,8 @@ #define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_OLD_GETRLIMIT +#define __ARCH_WANT_SYS_OLD_MMAP +#define __ARCH_WANT_SYS_OLD_SELECT #define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK diff --git a/arch/m68k/include/asm/virtconvert.h b/arch/m68k/include/asm/virtconvert.h index 3f834b3ab5b..f35229b8651 100644 --- a/arch/m68k/include/asm/virtconvert.h +++ b/arch/m68k/include/asm/virtconvert.h @@ -31,12 +31,7 @@ static inline void *phys_to_virt(unsigned long address) #define page_to_phys(page) \ __pa(PAGE_OFFSET + (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT)) #else -#define page_to_phys(_page) ({ \ - struct page *__page = _page; \ - struct pglist_data *pgdat; \ - pgdat = pg_data_table[page_to_nid(__page)]; \ - page_to_pfn(__page) << PAGE_SHIFT; \ -}) +#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) #endif #else #define page_to_phys(page) (((page) - mem_map) << PAGE_SHIFT) diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 77fc7c16bf4..2391bdff099 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -510,7 +510,7 @@ sys_call_table: .long sys_settimeofday .long sys_getgroups16 /* 80 */ .long sys_setgroups16 - .long old_select + .long sys_old_select .long sys_symlink .long sys_lstat .long sys_readlink /* 85 */ @@ -518,7 +518,7 @@ sys_call_table: .long sys_swapon .long sys_reboot .long sys_old_readdir - .long old_mmap /* 90 */ + .long sys_old_mmap /* 90 */ .long sys_munmap .long sys_truncate .long sys_ftruncate @@ -761,4 +761,8 @@ sys_call_table: .long sys_pwritev /* 330 */ .long sys_rt_tgsigqueueinfo .long sys_perf_event_open + .long sys_get_thread_area + .long sys_set_thread_area + .long sys_atomic_cmpxchg_32 /* 335 */ + .long sys_atomic_barrier diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index 05296593e71..17c3f325255 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -251,6 +251,10 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, p->thread.usp = usp; p->thread.ksp = (unsigned long)childstack; + + if (clone_flags & CLONE_SETTLS) + task_thread_info(p)->tp_value = regs->d5; + /* * Must save the current SFC/DFC value, NOT the value when * the parent was last descheduled - RGH 10-08-96 diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index 1fc217e5f06..616e59752c2 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -245,6 +245,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EFAULT; break; + case PTRACE_GET_THREAD_AREA: + ret = put_user(task_thread_info(child)->tp_value, + (unsigned long __user *)data); + break; + default: ret = ptrace_request(child, request, addr, data); break; diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index de2d05ddd86..4b387538706 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -897,10 +897,17 @@ static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, /* Set up to return from userspace. */ err |= __put_user(frame->retcode, &frame->pretcode); +#ifdef __mcoldfire__ + /* movel #__NR_rt_sigreturn,d0; trap #0 */ + err |= __put_user(0x203c0000, (long __user *)(frame->retcode + 0)); + err |= __put_user(0x00004e40 + (__NR_rt_sigreturn << 16), + (long __user *)(frame->retcode + 4)); +#else /* moveq #,d0; notb d0; trap #0 */ err |= __put_user(0x70004600 + ((__NR_rt_sigreturn ^ 0xff) << 16), (long __user *)(frame->retcode + 0)); err |= __put_user(0x4e40, (short __user *)(frame->retcode + 4)); +#endif if (err) goto give_sigsegv; diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 218f441de66..77896692eb0 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -28,6 +28,11 @@ #include <asm/traps.h> #include <asm/page.h> #include <asm/unistd.h> +#include <linux/elf.h> +#include <asm/tlb.h> + +asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address, + unsigned long error_code); asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, @@ -41,137 +46,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); } -/* - * Perform the select(nd, in, out, ex, tv) and mmap() system - * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to - * handle more than 4 system call parameters, so these system calls - * used a memory block for parameter passing.. - */ - -struct mmap_arg_struct { - unsigned long addr; - unsigned long len; - unsigned long prot; - unsigned long flags; - unsigned long fd; - unsigned long offset; -}; - -asmlinkage int old_mmap(struct mmap_arg_struct __user *arg) -{ - struct mmap_arg_struct a; - int error = -EFAULT; - - if (copy_from_user(&a, arg, sizeof(a))) - goto out; - - error = -EINVAL; - if (a.offset & ~PAGE_MASK) - goto out; - - error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, - a.offset >> PAGE_SHIFT); -out: - return error; -} - -struct sel_arg_struct { - unsigned long n; - fd_set __user *inp, *outp, *exp; - struct timeval __user *tvp; -}; - -asmlinkage int old_select(struct sel_arg_struct __user *arg) -{ - struct sel_arg_struct a; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - /* sys_select() does the appropriate kernel locking */ - return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); -} - -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls.. - * - * This is really horribly ugly. - */ -asmlinkage int sys_ipc (uint call, int first, int second, - int third, void __user *ptr, long fifth) -{ - int version, ret; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - if (call <= SEMCTL) - switch (call) { - case SEMOP: - return sys_semop (first, ptr, second); - case SEMGET: - return sys_semget (first, second, third); - case SEMCTL: { - union semun fourth; - if (!ptr) - return -EINVAL; - if (get_user(fourth.__pad, (void __user *__user *) ptr)) - return -EFAULT; - return sys_semctl (first, second, third, fourth); - } - default: - return -ENOSYS; - } - if (call <= MSGCTL) - switch (call) { - case MSGSND: - return sys_msgsnd (first, ptr, second, third); - case MSGRCV: - switch (version) { - case 0: { - struct ipc_kludge tmp; - if (!ptr) - return -EINVAL; - if (copy_from_user (&tmp, ptr, sizeof (tmp))) - return -EFAULT; - return sys_msgrcv (first, tmp.msgp, second, - tmp.msgtyp, third); - } - default: - return sys_msgrcv (first, ptr, - second, fifth, third); - } - case MSGGET: - return sys_msgget ((key_t) first, second); - case MSGCTL: - return sys_msgctl (first, second, ptr); - default: - return -ENOSYS; - } - if (call <= SHMCTL) - switch (call) { - case SHMAT: - switch (version) { - default: { - ulong raddr; - ret = do_shmat (first, ptr, second, &raddr); - if (ret) - return ret; - return put_user (raddr, (ulong __user *) third); - } - } - case SHMDT: - return sys_shmdt (ptr); - case SHMGET: - return sys_shmget (first, second, third); - case SHMCTL: - return sys_shmctl (first, second, ptr); - default: - return -ENOSYS; - } - - return -EINVAL; -} - /* Convert virtual (user) address VADDR to physical address PADDR */ #define virt_to_phys_040(vaddr) \ ({ \ @@ -595,3 +469,79 @@ int kernel_execve(const char *filename, char *const argv[], char *const envp[]) : "d" (__a), "d" (__b), "d" (__c)); return __res; } + +asmlinkage unsigned long sys_get_thread_area(void) +{ + return current_thread_info()->tp_value; +} + +asmlinkage int sys_set_thread_area(unsigned long tp) +{ + current_thread_info()->tp_value = tp; + return 0; +} + +/* This syscall gets its arguments in A0 (mem), D2 (oldval) and + D1 (newval). */ +asmlinkage int +sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5, + unsigned long __user * mem) +{ + /* This was borrowed from ARM's implementation. */ + for (;;) { + struct mm_struct *mm = current->mm; + pgd_t *pgd; + pmd_t *pmd; + pte_t *pte; + spinlock_t *ptl; + unsigned long mem_value; + + down_read(&mm->mmap_sem); + pgd = pgd_offset(mm, (unsigned long)mem); + if (!pgd_present(*pgd)) + goto bad_access; + pmd = pmd_offset(pgd, (unsigned long)mem); + if (!pmd_present(*pmd)) + goto bad_access; + pte = pte_offset_map_lock(mm, pmd, (unsigned long)mem, &ptl); + if (!pte_present(*pte) || !pte_dirty(*pte) + || !pte_write(*pte)) { + pte_unmap_unlock(pte, ptl); + goto bad_access; + } + + mem_value = *mem; + if (mem_value == oldval) + *mem = newval; + + pte_unmap_unlock(pte, ptl); + up_read(&mm->mmap_sem); + return mem_value; + + bad_access: + up_read(&mm->mmap_sem); + /* This is not necessarily a bad access, we can get here if + a memory we're trying to write to should be copied-on-write. + Make the kernel do the necessary page stuff, then re-iterate. + Simulate a write access fault to do that. */ + { + /* The first argument of the function corresponds to + D1, which is the first field of struct pt_regs. */ + struct pt_regs *fp = (struct pt_regs *)&newval; + + /* '3' is an RMW flag. */ + if (do_page_fault(fp, (unsigned long)mem, 3)) + /* If the do_page_fault() failed, we don't + have anything meaningful to return. + There should be a SIGSEGV pending for + the process. */ + return 0xdeadbeef; + } + } +} + +asmlinkage int sys_atomic_barrier(void) +{ + /* no code needed for uniprocs */ + return 0; +} diff --git a/arch/m68k/mac/Makefile b/arch/m68k/mac/Makefile index daebd80bdef..b8d4c835f9a 100644 --- a/arch/m68k/mac/Makefile +++ b/arch/m68k/mac/Makefile @@ -3,4 +3,4 @@ # obj-y := config.o macints.o iop.o via.o oss.o psc.o \ - baboon.o macboing.o debug.o misc.o + baboon.o macboing.o misc.o diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index be017984a45..0356da9bf76 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -23,6 +23,8 @@ #include <linux/init.h> #include <linux/vt_kern.h> #include <linux/platform_device.h> +#include <linux/adb.h> +#include <linux/cuda.h> #define BOOTINFO_COMPAT_1_0 #include <asm/setup.h> @@ -44,12 +46,7 @@ #include <asm/mac_oss.h> #include <asm/mac_psc.h> -/* platform device info */ - -#define SWIM_IO_SIZE 0x2000 /* SWIM IO resource size */ - /* Mac bootinfo struct */ - struct mac_booter_data mac_bi_data; /* The phys. video addr. - might be bogus on some machines */ @@ -70,8 +67,6 @@ extern void baboon_init(void); extern void mac_mksound(unsigned int, unsigned int); -extern void nubus_sweep_video(void); - static void mac_get_model(char *str); static void mac_identify(void); static void mac_report_hardware(void); @@ -168,12 +163,6 @@ void __init config_mac(void) #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) mach_beep = mac_mksound; #endif -#ifdef CONFIG_HEARTBEAT -#if 0 - mach_heartbeat = mac_heartbeat; - mach_heartbeat_irq = IRQ_MAC_TIMER; -#endif -#endif /* * Determine hardware present @@ -191,27 +180,19 @@ void __init config_mac(void) if (macintosh_config->ident == MAC_MODEL_IICI || macintosh_config->ident == MAC_MODEL_IIFX) mach_l2_flush = mac_cache_card_flush; - - /* - * Check for machine specific fixups. - */ - -#ifdef OLD_NUBUS_CODE - nubus_sweep_video(); -#endif } /* - * Macintosh Table: hardcoded model configuration data. + * Macintosh Table: hardcoded model configuration data. * - * Much of this was defined by Alan, based on who knows what docs. - * I've added a lot more, and some of that was pure guesswork based - * on hardware pages present on the Mac web site. Possibly wildly - * inaccurate, so look here if a new Mac model won't run. Example: if - * a Mac crashes immediately after the VIA1 registers have been dumped - * to the screen, it probably died attempting to read DirB on a RBV. - * Meaning it should have MAC_VIA_IIci here :-) + * Much of this was defined by Alan, based on who knows what docs. + * I've added a lot more, and some of that was pure guesswork based + * on hardware pages present on the Mac web site. Possibly wildly + * inaccurate, so look here if a new Mac model won't run. Example: if + * a Mac crashes immediately after the VIA1 registers have been dumped + * to the screen, it probably died attempting to read DirB on a RBV. + * Meaning it should have MAC_VIA_IIci here :-) */ struct mac_model *macintosh_config; @@ -219,7 +200,7 @@ EXPORT_SYMBOL(macintosh_config); static struct mac_model mac_data_table[] = { /* - * We'll pretend to be a Macintosh II, that's pretty safe. + * We'll pretend to be a Macintosh II, that's pretty safe. */ { @@ -230,12 +211,11 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_IWM + .floppy_type = MAC_FLOPPY_IWM, }, /* - * Original MacII hardware - * + * Original Mac II hardware */ { @@ -246,7 +226,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_IWM + .floppy_type = MAC_FLOPPY_IWM, }, { .ident = MAC_MODEL_IIX, .name = "IIx", @@ -255,7 +235,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_IICX, .name = "IIcx", @@ -264,7 +244,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_SE30, .name = "SE/30", @@ -273,13 +253,13 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, /* - * Weirdified MacII hardware - all subtly different. Gee thanks - * Apple. All these boxes seem to have VIA2 in a different place to - * the MacII (+1A000 rather than +4000) + * Weirdified Mac II hardware - all subtly different. Gee thanks + * Apple. All these boxes seem to have VIA2 in a different place to + * the Mac II (+1A000 rather than +4000) * CSA: see http://developer.apple.com/technotes/hw/hw_09.html */ @@ -291,7 +271,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_IIFX, .name = "IIfx", @@ -300,7 +280,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_IOP, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_IOP + .floppy_type = MAC_FLOPPY_SWIM_IOP, }, { .ident = MAC_MODEL_IISI, .name = "IIsi", @@ -309,7 +289,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_IIVI, .name = "IIvi", @@ -318,7 +298,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_IIVX, .name = "IIvx", @@ -327,11 +307,11 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, /* - * Classic models (guessing: similar to SE/30 ?? Nope, similar to LC ...) + * Classic models (guessing: similar to SE/30? Nope, similar to LC...) */ { @@ -342,7 +322,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_CCL, .name = "Color Classic", @@ -351,11 +331,11 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, /* - * Some Mac LC machines. Basically the same as the IIci, ADB like IIsi + * Some Mac LC machines. Basically the same as the IIci, ADB like IIsi */ { @@ -366,7 +346,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_LCII, .name = "LC II", @@ -375,7 +355,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_LCIII, .name = "LC III", @@ -384,17 +364,17 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, /* - * Quadra. Video is at 0xF9000000, via is like a MacII. We label it differently - * as some of the stuff connected to VIA2 seems different. Better SCSI chip and - * onboard ethernet using a NatSemi SONIC except the 660AV and 840AV which use an - * AMD 79C940 (MACE). - * The 700, 900 and 950 have some I/O chips in the wrong place to - * confuse us. The 840AV has a SCSI location of its own (same as - * the 660AV). + * Quadra. Video is at 0xF9000000, via is like a MacII. We label it + * differently as some of the stuff connected to VIA2 seems different. + * Better SCSI chip and onboard ethernet using a NatSemi SONIC except + * the 660AV and 840AV which use an AMD 79C940 (MACE). + * The 700, 900 and 950 have some I/O chips in the wrong place to + * confuse us. The 840AV has a SCSI location of its own (same as + * the 660AV). */ { @@ -405,7 +385,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_Q605_ACC, .name = "Quadra 605", @@ -414,7 +394,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_Q610, .name = "Quadra 610", @@ -424,7 +404,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_Q630, .name = "Quadra 630", @@ -435,7 +415,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_Q650, .name = "Quadra 650", @@ -445,9 +425,9 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, - /* The Q700 does have a NS Sonic */ + /* The Q700 does have a NS Sonic */ { .ident = MAC_MODEL_Q700, .name = "Quadra 700", @@ -457,7 +437,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_Q800, .name = "Quadra 800", @@ -467,7 +447,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_Q840, .name = "Quadra 840AV", @@ -477,7 +457,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_PSC, .ether_type = MAC_ETHER_MACE, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_AV + .floppy_type = MAC_FLOPPY_AV, }, { .ident = MAC_MODEL_Q900, .name = "Quadra 900", @@ -487,7 +467,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_IOP, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_IOP + .floppy_type = MAC_FLOPPY_SWIM_IOP, }, { .ident = MAC_MODEL_Q950, .name = "Quadra 950", @@ -497,60 +477,60 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_IOP, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_IOP + .floppy_type = MAC_FLOPPY_SWIM_IOP, }, /* - * Performa - more LC type machines + * Performa - more LC type machines */ { .ident = MAC_MODEL_P460, - .name = "Performa 460", + .name = "Performa 460", .adb_type = MAC_ADB_IISI, .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_P475, - .name = "Performa 475", + .name = "Performa 475", .adb_type = MAC_ADB_CUDA, .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_P475F, - .name = "Performa 475", + .name = "Performa 475", .adb_type = MAC_ADB_CUDA, .via_type = MAC_VIA_QUADRA, .scsi_type = MAC_SCSI_QUADRA, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_P520, - .name = "Performa 520", + .name = "Performa 520", .adb_type = MAC_ADB_CUDA, .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_P550, - .name = "Performa 550", + .name = "Performa 550", .adb_type = MAC_ADB_CUDA, .via_type = MAC_VIA_IIci, .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, - /* These have the comm slot, and therefore the possibility of SONIC ethernet */ + /* These have the comm slot, and therefore possibly SONIC ethernet */ { .ident = MAC_MODEL_P575, .name = "Performa 575", @@ -560,7 +540,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_II, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_P588, .name = "Performa 588", @@ -571,7 +551,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_II, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_TV, .name = "TV", @@ -580,7 +560,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_P600, .name = "Performa 600", @@ -589,14 +569,14 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_II, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, /* - * Centris - just guessing again; maybe like Quadra + * Centris - just guessing again; maybe like Quadra. + * The C610 may or may not have SONIC. We probe to make sure. */ - /* The C610 may or may not have SONIC. We probe to make sure */ { .ident = MAC_MODEL_C610, .name = "Centris 610", @@ -606,7 +586,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_C650, .name = "Centris 650", @@ -616,7 +596,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR1 + .floppy_type = MAC_FLOPPY_SWIM_ADDR1, }, { .ident = MAC_MODEL_C660, .name = "Centris 660AV", @@ -626,7 +606,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_PSC, .ether_type = MAC_ETHER_MACE, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_AV + .floppy_type = MAC_FLOPPY_AV, }, /* @@ -643,7 +623,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB145, .name = "PowerBook 145", @@ -652,7 +632,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB150, .name = "PowerBook 150", @@ -662,7 +642,7 @@ static struct mac_model mac_data_table[] = { .ide_type = MAC_IDE_PB, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB160, .name = "PowerBook 160", @@ -671,7 +651,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB165, .name = "PowerBook 165", @@ -680,7 +660,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB165C, .name = "PowerBook 165c", @@ -689,7 +669,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB170, .name = "PowerBook 170", @@ -698,7 +678,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB180, .name = "PowerBook 180", @@ -707,7 +687,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB180C, .name = "PowerBook 180c", @@ -716,7 +696,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB190, .name = "PowerBook 190", @@ -726,7 +706,7 @@ static struct mac_model mac_data_table[] = { .ide_type = MAC_IDE_BABOON, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB520, .name = "PowerBook 520", @@ -736,7 +716,7 @@ static struct mac_model mac_data_table[] = { .scc_type = MAC_SCC_QUADRA, .ether_type = MAC_ETHER_SONIC, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, /* @@ -757,7 +737,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB230, .name = "PowerBook Duo 230", @@ -766,7 +746,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB250, .name = "PowerBook Duo 250", @@ -775,7 +755,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB270C, .name = "PowerBook Duo 270c", @@ -784,7 +764,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB280, .name = "PowerBook Duo 280", @@ -793,7 +773,7 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, { .ident = MAC_MODEL_PB280C, .name = "PowerBook Duo 280c", @@ -802,17 +782,44 @@ static struct mac_model mac_data_table[] = { .scsi_type = MAC_SCSI_OLD, .scc_type = MAC_SCC_QUADRA, .nubus_type = MAC_NUBUS, - .floppy_type = MAC_FLOPPY_SWIM_ADDR2 + .floppy_type = MAC_FLOPPY_SWIM_ADDR2, }, /* - * Other stuff ?? + * Other stuff? */ + { .ident = -1 } }; +static struct resource scc_a_rsrcs[] = { + { .flags = IORESOURCE_MEM }, + { .flags = IORESOURCE_IRQ }, +}; + +static struct resource scc_b_rsrcs[] = { + { .flags = IORESOURCE_MEM }, + { .flags = IORESOURCE_IRQ }, +}; + +struct platform_device scc_a_pdev = { + .name = "scc", + .id = 0, + .num_resources = ARRAY_SIZE(scc_a_rsrcs), + .resource = scc_a_rsrcs, +}; +EXPORT_SYMBOL(scc_a_pdev); + +struct platform_device scc_b_pdev = { + .name = "scc", + .id = 1, + .num_resources = ARRAY_SIZE(scc_b_rsrcs), + .resource = scc_b_rsrcs, +}; +EXPORT_SYMBOL(scc_b_pdev); + static void __init mac_identify(void) { struct mac_model *m; @@ -823,7 +830,8 @@ static void __init mac_identify(void) /* no bootinfo model id -> NetBSD booter was used! */ /* XXX FIXME: breaks for model > 31 */ model = (mac_bi_data.cpuid >> 2) & 63; - printk(KERN_WARNING "No bootinfo model ID, using cpuid instead (hey, use Penguin!)\n"); + printk(KERN_WARNING "No bootinfo model ID, using cpuid instead " + "(obsolete bootloader?)\n"); } macintosh_config = mac_data_table; @@ -834,10 +842,29 @@ static void __init mac_identify(void) } } - /* We need to pre-init the IOPs, if any. Otherwise */ - /* the serial console won't work if the user had */ - /* the serial ports set to "Faster" mode in MacOS. */ + /* Set up serial port resources for the console initcall. */ + + scc_a_rsrcs[0].start = (resource_size_t) mac_bi_data.sccbase + 2; + scc_a_rsrcs[0].end = scc_a_rsrcs[0].start; + scc_b_rsrcs[0].start = (resource_size_t) mac_bi_data.sccbase; + scc_b_rsrcs[0].end = scc_b_rsrcs[0].start; + switch (macintosh_config->scc_type) { + case MAC_SCC_PSC: + scc_a_rsrcs[1].start = scc_a_rsrcs[1].end = IRQ_MAC_SCC_A; + scc_b_rsrcs[1].start = scc_b_rsrcs[1].end = IRQ_MAC_SCC_B; + break; + default: + scc_a_rsrcs[1].start = scc_a_rsrcs[1].end = IRQ_MAC_SCC; + scc_b_rsrcs[1].start = scc_b_rsrcs[1].end = IRQ_MAC_SCC; + break; + } + + /* + * We need to pre-init the IOPs, if any. Otherwise + * the serial console won't work if the user had + * the serial ports set to "Faster" mode in MacOS. + */ iop_preinit(); printk(KERN_INFO "Detected Macintosh model: %d \n", model); @@ -846,7 +873,8 @@ static void __init mac_identify(void) * Report booter data: */ printk(KERN_DEBUG " Penguin bootinfo data:\n"); - printk(KERN_DEBUG " Video: addr 0x%lx row 0x%lx depth %lx dimensions %ld x %ld\n", + printk(KERN_DEBUG " Video: addr 0x%lx " + "row 0x%lx depth %lx dimensions %ld x %ld\n", mac_bi_data.videoaddr, mac_bi_data.videorow, mac_bi_data.videodepth, mac_bi_data.dimensions & 0xFFFF, mac_bi_data.dimensions >> 16); @@ -863,6 +891,10 @@ static void __init mac_identify(void) oss_init(); psc_init(); baboon_init(); + +#ifdef CONFIG_ADB_CUDA + find_via_cuda(); +#endif } static void __init mac_report_hardware(void) @@ -876,23 +908,50 @@ static void mac_get_model(char *str) strcat(str, macintosh_config->name); } -static struct resource swim_resources[1]; +static struct resource swim_rsrc = { .flags = IORESOURCE_MEM }; -static struct platform_device swim_device = { +static struct platform_device swim_pdev = { .name = "swim", .id = -1, - .num_resources = ARRAY_SIZE(swim_resources), - .resource = swim_resources, + .num_resources = 1, + .resource = &swim_rsrc, }; -static struct platform_device *mac_platform_devices[] __initdata = { - &swim_device +static struct platform_device esp_0_pdev = { + .name = "mac_esp", + .id = 0, +}; + +static struct platform_device esp_1_pdev = { + .name = "mac_esp", + .id = 1, +}; + +static struct platform_device sonic_pdev = { + .name = "macsonic", + .id = -1, +}; + +static struct platform_device mace_pdev = { + .name = "macmace", + .id = -1, }; int __init mac_platform_init(void) { u8 *swim_base; + /* + * Serial devices + */ + + platform_device_register(&scc_a_pdev); + platform_device_register(&scc_b_pdev); + + /* + * Floppy device + */ + switch (macintosh_config->floppy_type) { case MAC_FLOPPY_SWIM_ADDR1: swim_base = (u8 *)(VIA1_BASE + 0x1E000); @@ -901,16 +960,47 @@ int __init mac_platform_init(void) swim_base = (u8 *)(VIA1_BASE + 0x16000); break; default: - return 0; + swim_base = NULL; + break; } - swim_resources[0].name = "swim-regs"; - swim_resources[0].start = (resource_size_t)swim_base; - swim_resources[0].end = (resource_size_t)(swim_base + SWIM_IO_SIZE); - swim_resources[0].flags = IORESOURCE_MEM; + if (swim_base) { + swim_rsrc.start = (resource_size_t) swim_base, + swim_rsrc.end = (resource_size_t) swim_base + 0x2000, + platform_device_register(&swim_pdev); + } + + /* + * SCSI device(s) + */ + + switch (macintosh_config->scsi_type) { + case MAC_SCSI_QUADRA: + case MAC_SCSI_QUADRA3: + platform_device_register(&esp_0_pdev); + break; + case MAC_SCSI_QUADRA2: + platform_device_register(&esp_0_pdev); + if ((macintosh_config->ident == MAC_MODEL_Q900) || + (macintosh_config->ident == MAC_MODEL_Q950)) + platform_device_register(&esp_1_pdev); + break; + } + + /* + * Ethernet device + */ + + switch (macintosh_config->ether_type) { + case MAC_ETHER_SONIC: + platform_device_register(&sonic_pdev); + break; + case MAC_ETHER_MACE: + platform_device_register(&mace_pdev); + break; + } - return platform_add_devices(mac_platform_devices, - ARRAY_SIZE(mac_platform_devices)); + return 0; } arch_initcall(mac_platform_init); diff --git a/arch/m68k/mac/debug.c b/arch/m68k/mac/debug.c deleted file mode 100644 index bce074ceb76..00000000000 --- a/arch/m68k/mac/debug.c +++ /dev/null @@ -1,365 +0,0 @@ -/* - * linux/arch/m68k/mac/debug.c - * - * Shamelessly stolen (SCC code and general framework) from: - * - * linux/arch/m68k/atari/debug.c - * - * Atari debugging and serial console stuff - * - * Assembled of parts of former atari/config.c 97-12-18 by Roman Hodek - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/tty.h> -#include <linux/console.h> -#include <linux/init.h> -#include <linux/delay.h> - -#define BOOTINFO_COMPAT_1_0 -#include <asm/setup.h> -#include <asm/bootinfo.h> -#include <asm/macints.h> - -extern unsigned long mac_videobase; -extern unsigned long mac_rowbytes; - -extern void mac_serial_print(const char *); - -#define DEBUG_HEADS -#undef DEBUG_SCREEN -#define DEBUG_SERIAL - -/* - * These two auxiliary debug functions should go away ASAP. Only usage: - * before the console output is up (after head.S come some other crucial - * setup routines :-) it permits writing 'data' to the screen as bit patterns - * (good luck reading those). Helped to figure that the bootinfo contained - * garbage data on the amount and size of memory chunks ... - * - * The 'pos' argument now simply means 'linefeed after print' ... - */ - -#ifdef DEBUG_SCREEN -static int peng, line; -#endif - -#if 0 - -void mac_debugging_short(int pos, short num) -{ -#ifdef DEBUG_SCREEN - unsigned char *pengoffset; - unsigned char *pptr; - int i; -#endif - -#ifdef DEBUG_SERIAL - printk("debug: %d !\n", num); -#endif - -#ifdef DEBUG_SCREEN - if (!MACH_IS_MAC) { - /* printk("debug: %d !\n", num); */ - return; - } - - /* calculate current offset */ - pengoffset = (unsigned char *)mac_videobase + - (150+line*2) * mac_rowbytes + 80 * peng; - - pptr = pengoffset; - - for (i = 0; i < 8 * sizeof(short); i++) { /* # of bits */ - /* value mask for bit i, reverse order */ - *pptr++ = (num & (1 << (8*sizeof(short)-i-1)) ? 0xFF : 0x00); - } - - peng++; - - if (pos) { - line++; - peng = 0; - } -#endif -} - -void mac_debugging_long(int pos, long addr) -{ -#ifdef DEBUG_SCREEN - unsigned char *pengoffset; - unsigned char *pptr; - int i; -#endif - -#ifdef DEBUG_SERIAL - printk("debug: #%ld !\n", addr); -#endif - -#ifdef DEBUG_SCREEN - if (!MACH_IS_MAC) { - /* printk("debug: #%ld !\n", addr); */ - return; - } - - pengoffset=(unsigned char *)(mac_videobase+(150+line*2)*mac_rowbytes) - +80*peng; - - pptr = pengoffset; - - for (i = 0; i < 8 * sizeof(long); i++) { /* # of bits */ - *pptr++ = (addr & (1 << (8*sizeof(long)-i-1)) ? 0xFF : 0x00); - } - - peng++; - - if (pos) { - line++; - peng = 0; - } -#endif -} - -#endif /* 0 */ - -#ifdef DEBUG_SERIAL -/* - * TODO: serial debug code - */ - -struct mac_SCC { - u_char cha_b_ctrl; - u_char char_dummy1; - u_char cha_a_ctrl; - u_char char_dummy2; - u_char cha_b_data; - u_char char_dummy3; - u_char cha_a_data; -}; - -# define scc (*((volatile struct mac_SCC*)mac_bi_data.sccbase)) - -static int scc_port = -1; - -static struct console mac_console_driver = { - .name = "debug", - .flags = CON_PRINTBUFFER, - .index = -1, -}; - -/* - * Crude hack to get console output to the screen before the framebuffer - * is initialized (happens a lot later in 2.1!). - * We just use the console routines declared in head.S, this will interfere - * with regular framebuffer console output and should be used exclusively - * to debug kernel problems manifesting before framebuffer init (aka WSOD) - * - * To keep this hack from interfering with the regular console driver, either - * deregister this driver before/on framebuffer console init, or silence this - * function after the fbcon driver is running (will lose console messages!?). - * To debug real early bugs, need to write a 'mac_register_console_hack()' - * that is called from start_kernel() before setup_arch() and just registers - * this driver if Mac. - */ - -static void mac_debug_console_write(struct console *co, const char *str, - unsigned int count) -{ - mac_serial_print(str); -} - - - -/* Mac: loops_per_jiffy min. 19000 ^= .5 us; MFPDELAY was 0.6 us*/ - -#define uSEC 1 - -static inline void mac_sccb_out(char c) -{ - int i; - - do { - for (i = uSEC; i > 0; --i) - barrier(); - } while (!(scc.cha_b_ctrl & 0x04)); /* wait for tx buf empty */ - for (i = uSEC; i > 0; --i) - barrier(); - scc.cha_b_data = c; -} - -static inline void mac_scca_out(char c) -{ - int i; - - do { - for (i = uSEC; i > 0; --i) - barrier(); - } while (!(scc.cha_a_ctrl & 0x04)); /* wait for tx buf empty */ - for (i = uSEC; i > 0; --i) - barrier(); - scc.cha_a_data = c; -} - -static void mac_sccb_console_write(struct console *co, const char *str, - unsigned int count) -{ - while (count--) { - if (*str == '\n') - mac_sccb_out('\r'); - mac_sccb_out(*str++); - } -} - -static void mac_scca_console_write(struct console *co, const char *str, - unsigned int count) -{ - while (count--) { - if (*str == '\n') - mac_scca_out('\r'); - mac_scca_out(*str++); - } -} - - -/* The following two functions do a quick'n'dirty initialization of the MFP or - * SCC serial ports. They're used by the debugging interface, kgdb, and the - * serial console code. */ -#define SCCB_WRITE(reg,val) \ - do { \ - int i; \ - scc.cha_b_ctrl = (reg); \ - for (i = uSEC; i > 0; --i) \ - barrier(); \ - scc.cha_b_ctrl = (val); \ - for (i = uSEC; i > 0; --i) \ - barrier(); \ - } while(0) - -#define SCCA_WRITE(reg,val) \ - do { \ - int i; \ - scc.cha_a_ctrl = (reg); \ - for (i = uSEC; i > 0; --i) \ - barrier(); \ - scc.cha_a_ctrl = (val); \ - for (i = uSEC; i > 0; --i) \ - barrier(); \ - } while(0) - -/* loops_per_jiffy isn't initialized yet, so we can't use udelay(). This does a - * delay of ~ 60us. */ -/* Mac: loops_per_jiffy min. 19000 ^= .5 us; MFPDELAY was 0.6 us*/ -#define LONG_DELAY() \ - do { \ - int i; \ - for (i = 60*uSEC; i > 0; --i) \ - barrier(); \ - } while(0) - -static void __init mac_init_scc_port(int cflag, int port) -{ - /* - * baud rates: 1200, 1800, 2400, 4800, 9600, 19.2k, 38.4k, 57.6k, 115.2k - */ - - static int clksrc_table[9] = - /* reg 11: 0x50 = BRG, 0x00 = RTxC, 0x28 = TRxC */ - { 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x00, 0x00 }; - static int clkmode_table[9] = - /* reg 4: 0x40 = x16, 0x80 = x32, 0xc0 = x64 */ - { 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0xc0, 0x80 }; - static int div_table[9] = - /* reg12 (BRG low) */ - { 94, 62, 46, 22, 10, 4, 1, 0, 0 }; - - int baud = cflag & CBAUD; - int clksrc, clkmode, div, reg3, reg5; - - if (cflag & CBAUDEX) - baud += B38400; - if (baud < B1200 || baud > B38400+2) - baud = B9600; /* use default 9600bps for non-implemented rates */ - baud -= B1200; /* tables starts at 1200bps */ - - clksrc = clksrc_table[baud]; - clkmode = clkmode_table[baud]; - div = div_table[baud]; - - reg3 = (((cflag & CSIZE) == CS8) ? 0xc0 : 0x40); - reg5 = (((cflag & CSIZE) == CS8) ? 0x60 : 0x20) | 0x82 /* assert DTR/RTS */; - - if (port == 1) { - (void)scc.cha_b_ctrl; /* reset reg pointer */ - SCCB_WRITE(9, 0xc0); /* reset */ - LONG_DELAY(); /* extra delay after WR9 access */ - SCCB_WRITE(4, (cflag & PARENB) ? ((cflag & PARODD) ? 0x01 : 0x03) : 0 | - 0x04 /* 1 stopbit */ | - clkmode); - SCCB_WRITE(3, reg3); - SCCB_WRITE(5, reg5); - SCCB_WRITE(9, 0); /* no interrupts */ - LONG_DELAY(); /* extra delay after WR9 access */ - SCCB_WRITE(10, 0); /* NRZ mode */ - SCCB_WRITE(11, clksrc); /* main clock source */ - SCCB_WRITE(12, div); /* BRG value */ - SCCB_WRITE(13, 0); /* BRG high byte */ - SCCB_WRITE(14, 1); - SCCB_WRITE(3, reg3 | 1); - SCCB_WRITE(5, reg5 | 8); - } else if (port == 0) { - (void)scc.cha_a_ctrl; /* reset reg pointer */ - SCCA_WRITE(9, 0xc0); /* reset */ - LONG_DELAY(); /* extra delay after WR9 access */ - SCCA_WRITE(4, (cflag & PARENB) ? ((cflag & PARODD) ? 0x01 : 0x03) : 0 | - 0x04 /* 1 stopbit */ | - clkmode); - SCCA_WRITE(3, reg3); - SCCA_WRITE(5, reg5); - SCCA_WRITE(9, 0); /* no interrupts */ - LONG_DELAY(); /* extra delay after WR9 access */ - SCCA_WRITE(10, 0); /* NRZ mode */ - SCCA_WRITE(11, clksrc); /* main clock source */ - SCCA_WRITE(12, div); /* BRG value */ - SCCA_WRITE(13, 0); /* BRG high byte */ - SCCA_WRITE(14, 1); - SCCA_WRITE(3, reg3 | 1); - SCCA_WRITE(5, reg5 | 8); - } -} -#endif /* DEBUG_SERIAL */ - -static int __init mac_debug_setup(char *arg) -{ - if (!MACH_IS_MAC) - return 0; - -#ifdef DEBUG_SERIAL - if (!strcmp(arg, "ser") || !strcmp(arg, "ser1")) { - /* Mac modem port */ - mac_init_scc_port(B9600|CS8, 0); - mac_console_driver.write = mac_scca_console_write; - scc_port = 0; - } else if (!strcmp(arg, "ser2")) { - /* Mac printer port */ - mac_init_scc_port(B9600|CS8, 1); - mac_console_driver.write = mac_sccb_console_write; - scc_port = 1; - } -#endif -#ifdef DEBUG_HEADS - if (!strcmp(arg, "scn") || !strcmp(arg, "con")) { - /* display, using head.S console routines */ - mac_console_driver.write = mac_debug_console_write; - } -#endif - if (mac_console_driver.write) - register_console(&mac_console_driver); - return 0; -} - -early_param("debug", mac_debug_setup); diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c index 23711074e0e..900d899f332 100644 --- a/arch/m68k/mac/macints.c +++ b/arch/m68k/mac/macints.c @@ -34,9 +34,7 @@ * * 3 - unused (?) * - * 4 - SCC (slot number determined by reading RR3 on the SSC itself) - * - slot 1: SCC channel A - * - slot 2: SCC channel B + * 4 - SCC * * 5 - unused (?) * [serial errors or special conditions seem to raise level 6 @@ -55,8 +53,6 @@ * - slot 5: Slot $E * * 4 - SCC IOP - * - slot 1: SCC channel A - * - slot 2: SCC channel B * * 5 - ISM IOP (ADB?) * @@ -136,13 +132,8 @@ #include <asm/irq_regs.h> #include <asm/mac_oss.h> -#define DEBUG_SPURIOUS #define SHUTUP_SONIC -/* SCC interrupt mask */ - -static int scc_mask; - /* * VIA/RBV hooks */ @@ -191,13 +182,6 @@ extern void baboon_irq_disable(int); extern void baboon_irq_clear(int); /* - * SCC interrupt routines - */ - -static void scc_irq_enable(unsigned int); -static void scc_irq_disable(unsigned int); - -/* * console_loglevel determines NMI handler function */ @@ -221,8 +205,6 @@ void __init mac_init_IRQ(void) #ifdef DEBUG_MACINTS printk("mac_init_IRQ(): Setting things up...\n"); #endif - scc_mask = 0; - m68k_setup_irq_controller(&mac_irq_controller, IRQ_USER, NUM_MAC_SOURCES - IRQ_USER); /* Make sure the SONIC interrupt is cleared or things get ugly */ @@ -283,15 +265,16 @@ void mac_enable_irq(unsigned int irq) via_irq_enable(irq); break; case 3: - case 4: case 5: case 6: if (psc_present) psc_irq_enable(irq); else if (oss_present) oss_irq_enable(irq); - else if (irq_src == 4) - scc_irq_enable(irq); + break; + case 4: + if (psc_present) + psc_irq_enable(irq); break; case 8: if (baboon_present) @@ -316,15 +299,16 @@ void mac_disable_irq(unsigned int irq) via_irq_disable(irq); break; case 3: - case 4: case 5: case 6: if (psc_present) psc_irq_disable(irq); else if (oss_present) oss_irq_disable(irq); - else if (irq_src == 4) - scc_irq_disable(irq); + break; + case 4: + if (psc_present) + psc_irq_disable(irq); break; case 8: if (baboon_present) @@ -347,7 +331,6 @@ void mac_clear_irq(unsigned int irq) via_irq_clear(irq); break; case 3: - case 4: case 5: case 6: if (psc_present) @@ -355,6 +338,10 @@ void mac_clear_irq(unsigned int irq) else if (oss_present) oss_irq_clear(irq); break; + case 4: + if (psc_present) + psc_irq_clear(irq); + break; case 8: if (baboon_present) baboon_irq_clear(irq); @@ -374,13 +361,17 @@ int mac_irq_pending(unsigned int irq) else return via_irq_pending(irq); case 3: - case 4: case 5: case 6: if (psc_present) return psc_irq_pending(irq); else if (oss_present) return oss_irq_pending(irq); + break; + case 4: + if (psc_present) + psc_irq_pending(irq); + break; } return 0; } @@ -448,59 +439,3 @@ irqreturn_t mac_nmi_handler(int irq, void *dev_id) in_nmi--; return IRQ_HANDLED; } - -/* - * Simple routines for masking and unmasking - * SCC interrupts in cases where this can't be - * done in hardware (only the PSC can do that.) - */ - -static void scc_irq_enable(unsigned int irq) -{ - int irq_idx = IRQ_IDX(irq); - - scc_mask |= (1 << irq_idx); -} - -static void scc_irq_disable(unsigned int irq) -{ - int irq_idx = IRQ_IDX(irq); - - scc_mask &= ~(1 << irq_idx); -} - -/* - * SCC master interrupt handler. We have to do a bit of magic here - * to figure out what channel gave us the interrupt; putting this - * here is cleaner than hacking it into drivers/char/macserial.c. - */ - -void mac_scc_dispatch(int irq, void *dev_id) -{ - volatile unsigned char *scc = (unsigned char *) mac_bi_data.sccbase + 2; - unsigned char reg; - unsigned long flags; - - /* Read RR3 from the chip. Always do this on channel A */ - /* This must be an atomic operation so disable irqs. */ - - local_irq_save(flags); - *scc = 3; - reg = *scc; - local_irq_restore(flags); - - /* Now dispatch. Bits 0-2 are for channel B and */ - /* bits 3-5 are for channel A. We can safely */ - /* ignore the remaining bits here. */ - /* */ - /* Note that we're ignoring scc_mask for now. */ - /* If we actually mask the ints then we tend to */ - /* get hammered by very persistent SCC irqs, */ - /* and since they're autovector interrupts they */ - /* pretty much kill the system. */ - - if (reg & 0x38) - m68k_handle_int(IRQ_SCCA); - if (reg & 0x07) - m68k_handle_int(IRQ_SCCB); -} diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c index f3d23d6ebcf..a9c0f5ab4cc 100644 --- a/arch/m68k/mac/oss.c +++ b/arch/m68k/mac/oss.c @@ -33,7 +33,6 @@ static irqreturn_t oss_irq(int, void *); static irqreturn_t oss_nubus_irq(int, void *); extern irqreturn_t via1_irq(int, void *); -extern irqreturn_t mac_scc_dispatch(int, void *); /* * Initialize the OSS @@ -69,9 +68,6 @@ void __init oss_register_interrupts(void) if (request_irq(OSS_IRQLEV_SCSI, oss_irq, IRQ_FLG_LOCK, "scsi", (void *) oss)) pr_err("Couldn't register %s interrupt\n", "scsi"); - if (request_irq(OSS_IRQLEV_IOPSCC, mac_scc_dispatch, IRQ_FLG_LOCK, - "scc", mac_scc_dispatch)) - pr_err("Couldn't register %s interrupt\n", "scc"); if (request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, IRQ_FLG_LOCK, "nubus", (void *) oss)) pr_err("Couldn't register %s interrupt\n", "nubus"); @@ -172,9 +168,7 @@ void oss_irq_enable(int irq) { printk("oss_irq_enable(%d)\n", irq); #endif switch(irq) { - case IRQ_SCC: - case IRQ_SCCA: - case IRQ_SCCB: + case IRQ_MAC_SCC: oss->irq_level[OSS_IOPSCC] = OSS_IRQLEV_IOPSCC; break; case IRQ_MAC_ADB: @@ -212,9 +206,7 @@ void oss_irq_disable(int irq) { printk("oss_irq_disable(%d)\n", irq); #endif switch(irq) { - case IRQ_SCC: - case IRQ_SCCA: - case IRQ_SCCB: + case IRQ_MAC_SCC: oss->irq_level[OSS_IOPSCC] = OSS_IRQLEV_DISABLED; break; case IRQ_MAC_ADB: @@ -250,9 +242,7 @@ void oss_irq_disable(int irq) { void oss_irq_clear(int irq) { /* FIXME: how to do this on OSS? */ switch(irq) { - case IRQ_SCC: - case IRQ_SCCA: - case IRQ_SCCB: + case IRQ_MAC_SCC: oss->irq_pending &= ~OSS_IP_IOPSCC; break; case IRQ_MAC_ADB: @@ -280,9 +270,7 @@ void oss_irq_clear(int irq) { int oss_irq_pending(int irq) { switch(irq) { - case IRQ_SCC: - case IRQ_SCCA: - case IRQ_SCCB: + case IRQ_MAC_SCC: return oss->irq_pending & OSS_IP_IOPSCC; break; case IRQ_MAC_ADB: diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c index 11bce3cb648..e71166daec6 100644 --- a/arch/m68k/mac/via.c +++ b/arch/m68k/mac/via.c @@ -84,8 +84,6 @@ void via_irq_enable(int irq); void via_irq_disable(int irq); void via_irq_clear(int irq); -extern irqreturn_t mac_scc_dispatch(int, void *); - /* * Initialize the VIAs * @@ -311,11 +309,6 @@ void __init via_register_interrupts(void) if (request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST, "via2", (void *) via2)) pr_err("Couldn't register %s interrupt\n", "via2"); - if (!psc_present) { - if (request_irq(IRQ_AUTO_4, mac_scc_dispatch, IRQ_FLG_LOCK, - "scc", mac_scc_dispatch)) - pr_err("Couldn't register %s interrupt\n", "scc"); - } if (request_irq(IRQ_MAC_NUBUS, via_nubus_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST, "nubus", (void *) via2)) pr_err("Couldn't register %s interrupt\n", "nubus"); diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c index df620ac2a29..69345849454 100644 --- a/arch/m68k/mm/kmap.c +++ b/arch/m68k/mm/kmap.c @@ -99,8 +99,7 @@ static inline void free_io_area(void *addr) #endif /* - * Map some physical address range into the kernel address space. The - * code is copied and adapted from map_chunk(). + * Map some physical address range into the kernel address space. */ /* Rewritten by Andreas Schwab to remove all races. */ @@ -116,7 +115,7 @@ void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cachefla /* * Don't allow mappings that wrap.. */ - if (!size || size > physaddr + size) + if (!size || physaddr > (unsigned long)(-size)) return NULL; #ifdef CONFIG_AMIGA |