diff options
Diffstat (limited to 'arch/m68knommu/kernel')
| -rw-r--r-- | arch/m68knommu/kernel/setup.c | 68 | ||||
| -rw-r--r-- | arch/m68knommu/kernel/signal.c | 6 | ||||
| -rw-r--r-- | arch/m68knommu/kernel/traps.c | 4 | ||||
| -rw-r--r-- | arch/m68knommu/kernel/vmlinux.lds.S | 160 |
4 files changed, 32 insertions, 206 deletions
diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c index 93120b9bfff1..99d038e9ab31 100644 --- a/arch/m68knommu/kernel/setup.c +++ b/arch/m68knommu/kernel/setup.c @@ -42,7 +42,6 @@ #include <asm/pgtable.h> #endif -unsigned long rom_length; unsigned long memory_start; unsigned long memory_end; @@ -56,29 +55,29 @@ static void dummy_waitbut(void) { } -void (*mach_sched_init) (irqreturn_t (*handler)(int, void *, struct pt_regs *)) = NULL; -void (*mach_tick)( void ) = NULL; +void (*mach_sched_init) (irqreturn_t (*handler)(int, void *, struct pt_regs *)); +void (*mach_tick)( void ); /* machine dependent keyboard functions */ -int (*mach_keyb_init) (void) = NULL; -int (*mach_kbdrate) (struct kbd_repeat *) = NULL; -void (*mach_kbd_leds) (unsigned int) = NULL; +int (*mach_keyb_init) (void); +int (*mach_kbdrate) (struct kbd_repeat *); +void (*mach_kbd_leds) (unsigned int); /* machine dependent irq functions */ -void (*mach_init_IRQ) (void) = NULL; -irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *) = NULL; -int (*mach_get_irq_list) (struct seq_file *, void *) = NULL; -void (*mach_process_int) (int irq, struct pt_regs *fp) = NULL; +void (*mach_init_IRQ) (void); +irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *); +int (*mach_get_irq_list) (struct seq_file *, void *); +void (*mach_process_int) (int irq, struct pt_regs *fp); void (*mach_trap_init) (void); /* machine dependent timer functions */ -unsigned long (*mach_gettimeoffset) (void) = NULL; -void (*mach_gettod) (int*, int*, int*, int*, int*, int*) = NULL; -int (*mach_hwclk) (int, struct hwclk_time*) = NULL; -int (*mach_set_clock_mmss) (unsigned long) = NULL; -void (*mach_mksound)( unsigned int count, unsigned int ticks ) = NULL; -void (*mach_reset)( void ) = NULL; +unsigned long (*mach_gettimeoffset) (void); +void (*mach_gettod) (int*, int*, int*, int*, int*, int*); +int (*mach_hwclk) (int, struct hwclk_time*); +int (*mach_set_clock_mmss) (unsigned long); +void (*mach_mksound)( unsigned int count, unsigned int ticks ); +void (*mach_reset)( void ); void (*waitbut)(void) = dummy_waitbut; -void (*mach_debug_init)(void) = NULL; -void (*mach_halt)( void ) = NULL; -void (*mach_power_off)( void ) = NULL; +void (*mach_debug_init)(void); +void (*mach_halt)( void ); +void (*mach_power_off)( void ); #ifdef CONFIG_M68000 @@ -129,6 +128,9 @@ void (*mach_power_off)( void ) = NULL; #if defined(CONFIG_M5307) #define CPU "COLDFIRE(m5307)" #endif +#if defined(CONFIG_M532x) + #define CPU "COLDFIRE(m532x)" +#endif #if defined(CONFIG_M5407) #define CPU "COLDFIRE(m5407)" #endif @@ -267,34 +269,6 @@ void setup_arch(char **cmdline_p) paging_init(); } -int get_cpuinfo(char * buffer) -{ - char *cpu, *mmu, *fpu; - u_long clockfreq; - - cpu = CPU; - mmu = "none"; - fpu = "none"; - -#ifdef CONFIG_COLDFIRE - clockfreq = (loops_per_jiffy*HZ)*3; -#else - clockfreq = (loops_per_jiffy*HZ)*16; -#endif - - return(sprintf(buffer, "CPU:\t\t%s\n" - "MMU:\t\t%s\n" - "FPU:\t\t%s\n" - "Clocking:\t%lu.%1luMHz\n" - "BogoMips:\t%lu.%02lu\n" - "Calibration:\t%lu loops\n", - cpu, mmu, fpu, - clockfreq/1000000,(clockfreq/100000)%10, - (loops_per_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100, - (loops_per_jiffy*HZ))); - -} - /* * Get CPU information for use by the procfs. */ diff --git a/arch/m68knommu/kernel/signal.c b/arch/m68knommu/kernel/signal.c index e1b3aa39e270..437f8c6c14a0 100644 --- a/arch/m68knommu/kernel/signal.c +++ b/arch/m68knommu/kernel/signal.c @@ -553,7 +553,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) /* This is the X/Open sanctioned signal stack switching. */ if (ka->sa.sa_flags & SA_ONSTACK) { - if (!on_sig_stack(usp)) + if (!sas_ss_flags(usp)) usp = current->sas_ss_sp + current->sas_ss_size; } return (void *)((usp - frame_size) & -8UL); @@ -608,7 +608,7 @@ adjust_stack: if (regs->stkadj) { struct pt_regs *tregs = (struct pt_regs *)((ulong)regs + regs->stkadj); -#if DEBUG +#if defined(DEBUG) printk(KERN_DEBUG "Performing stackadjust=%04x\n", regs->stkadj); #endif /* This must be copied with decreasing addresses to @@ -678,7 +678,7 @@ adjust_stack: if (regs->stkadj) { struct pt_regs *tregs = (struct pt_regs *)((ulong)regs + regs->stkadj); -#if DEBUG +#if defined(DEBUG) printk(KERN_DEBUG "Performing stackadjust=%04x\n", regs->stkadj); #endif /* This must be copied with decreasing addresses to diff --git a/arch/m68knommu/kernel/traps.c b/arch/m68knommu/kernel/traps.c index 5bc068462864..44ff74e643b1 100644 --- a/arch/m68knommu/kernel/traps.c +++ b/arch/m68knommu/kernel/traps.c @@ -93,12 +93,12 @@ asmlinkage void buserr_c(struct frame *fp) if (user_mode(&fp->ptregs)) current->thread.esp0 = (unsigned long) fp; -#if DEBUG +#if defined(DEBUG) printk (KERN_DEBUG "*** Bus Error *** Format is %x\n", fp->ptregs.format); #endif die_if_kernel("bad frame format",&fp->ptregs,0); -#if DEBUG +#if defined(DEBUG) printk(KERN_DEBUG "Unknown SIGSEGV - 4\n"); #endif force_sig(SIGSEGV, current); diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S index a331cc90797c..6a2f0c693254 100644 --- a/arch/m68knommu/kernel/vmlinux.lds.S +++ b/arch/m68knommu/kernel/vmlinux.lds.S @@ -1,7 +1,7 @@ /* * vmlinux.lds.S -- master linker script for m68knommu arch * - * (C) Copyright 2002-2004, Greg Ungerer <gerg@snapgear.com> + * (C) Copyright 2002-2006, Greg Ungerer <gerg@snapgear.com> * * This ends up looking compilcated, because of the number of * address variations for ram and rom/flash layouts. The real @@ -22,13 +22,7 @@ #define ROM_START 0x10c10400 #define ROM_LENGTH 0xfec00 #define ROM_END 0x10d00000 -#define RAMVEC_START 0x00000000 -#define RAMVEC_LENGTH 0x400 -#define RAM_START 0x10000400 -#define RAM_LENGTH 0xffc00 -#define RAM_END 0x10100000 -#define _ramend _ram_end_notused -#define DATA_ADDR RAM_START +#define DATA_ADDR CONFIG_KERNELBASE #endif /* @@ -41,11 +35,6 @@ #define ROM_START 0x10c10400 #define ROM_LENGTH 0x1efc00 #define ROM_END 0x10e00000 -#define RAMVEC_START 0x00000000 -#define RAMVEC_LENGTH 0x400 -#define RAM_START 0x00020400 -#define RAM_LENGTH 0x7dfc00 -#define RAM_END 0x00800000 #endif #ifdef CONFIG_ROMKERNEL #define ROMVEC_START 0x10c10000 @@ -53,11 +42,6 @@ #define ROM_START 0x10c10400 #define ROM_LENGTH 0x1efc00 #define ROM_END 0x10e00000 -#define RAMVEC_START 0x00000000 -#define RAMVEC_LENGTH 0x400 -#define RAM_START 0x00020000 -#define RAM_LENGTH 0x600000 -#define RAM_END 0x00800000 #endif #ifdef CONFIG_HIMEMKERNEL #define ROMVEC_START 0x00600000 @@ -65,141 +49,28 @@ #define ROM_START 0x00600400 #define ROM_LENGTH 0x1efc00 #define ROM_END 0x007f0000 -#define RAMVEC_START 0x00000000 -#define RAMVEC_LENGTH 0x400 -#define RAM_START 0x00020000 -#define RAM_LENGTH 0x5e0000 -#define RAM_END 0x00600000 #endif #endif -#ifdef CONFIG_DRAGEN2 -#define RAM_START 0x10000 -#define RAM_LENGTH 0x7f0000 -#endif - #ifdef CONFIG_UCQUICC #define ROMVEC_START 0x00000000 #define ROMVEC_LENGTH 0x404 #define ROM_START 0x00000404 #define ROM_LENGTH 0x1ff6fc #define ROM_END 0x00200000 -#define RAMVEC_START 0x00200000 -#define RAMVEC_LENGTH 0x404 -#define RAM_START 0x00200404 -#define RAM_LENGTH 0x1ff6fc -#define RAM_END 0x00400000 -#endif - -/* - * The standard Arnewsh 5206 board only has 1MiB of ram. Not normally - * enough to be useful. Assume the user has fitted something larger, - * at least 4MiB in size. No point in not letting the kernel completely - * link, it will be obvious if it is too big when they go to load it. - */ -#if defined(CONFIG_ARN5206) -#define RAM_START 0x10000 -#define RAM_LENGTH 0x3f0000 -#endif - -/* - * The Motorola 5206eLITE board only has 1MiB of static RAM. - */ -#if defined(CONFIG_ELITE) -#define RAM_START 0x30020000 -#define RAM_LENGTH 0xe0000 -#endif - -/* - * All the Motorola eval boards have the same basic arrangement. - * The end of RAM will vary depending on how much ram is fitted, - * but this isn't important here, we assume at least 4MiB. - */ -#if defined(CONFIG_M5206eC3) || defined(CONFIG_M5249C3) || \ - defined(CONFIG_M5272C3) || defined(CONFIG_M5307C3) || \ - defined(CONFIG_ARN5307) || defined(CONFIG_M5407C3) || \ - defined(CONFIG_M5271EVB) || defined(CONFIG_M5275EVB) || \ - defined(CONFIG_M5235EVB) -#define RAM_START 0x20000 -#define RAM_LENGTH 0x3e0000 -#endif - -/* - * The Freescale 5208EVB board has 32MB of RAM. - */ -#if defined(CONFIG_M5208EVB) -#define RAM_START 0x40020000 -#define RAM_LENGTH 0x01fe0000 -#endif - -/* - * The senTec COBRA5272 board has nearly the same memory layout as - * the M5272C3. We assume 16MiB ram. - */ -#if defined(CONFIG_COBRA5272) -#define RAM_START 0x20000 -#define RAM_LENGTH 0xfe0000 -#endif - -#if defined(CONFIG_M5282EVB) -#define RAM_START 0x10000 -#define RAM_LENGTH 0x3f0000 -#endif - -/* - * The senTec COBRA5282 board has the same memory layout as the M5282EVB. - */ -#if defined(CONFIG_COBRA5282) -#define RAM_START 0x10000 -#define RAM_LENGTH 0x3f0000 -#endif - - -/* - * The EMAC SoM-5282EM module. - */ -#if defined(CONFIG_SOM5282EM) -#define RAM_START 0x10000 -#define RAM_LENGTH 0xff0000 -#endif - - -/* - * These flash boot boards use all of ram for operation. Again the - * actual memory size is not important here, assume at least 4MiB. - * They currently have no support for running in flash. - */ -#if defined(CONFIG_NETtel) || defined(CONFIG_eLIA) || \ - defined(CONFIG_DISKtel) || defined(CONFIG_SECUREEDGEMP3) || \ - defined(CONFIG_HW_FEITH) -#define RAM_START 0x400 -#define RAM_LENGTH 0x3ffc00 -#endif - -/* - * Sneha Boards mimimun memory - * The end of RAM will vary depending on how much ram is fitted, - * but this isn't important here, we assume at least 4MiB. - */ -#if defined(CONFIG_CPU16B) -#define RAM_START 0x20000 -#define RAM_LENGTH 0x3e0000 -#endif - -#if defined(CONFIG_MOD5272) -#define RAM_START 0x02000000 -#define RAM_LENGTH 0x00800000 -#define RAMVEC_START 0x20000000 -#define RAMVEC_LENGTH 0x00000400 #endif #if defined(CONFIG_RAMKERNEL) +#define RAM_START CONFIG_KERNELBASE +#define RAM_LENGTH (CONFIG_RAMBASE + CONFIG_RAMSIZE - CONFIG_KERNELBASE) #define TEXT ram #define DATA ram #define INIT ram #define BSS ram #endif #if defined(CONFIG_ROMKERNEL) || defined(CONFIG_HIMEMKERNEL) +#define RAM_START CONFIG_RAMBASE +#define RAM_LENGTH CONFIG_RAMSIZE #define TEXT rom #define DATA ram #define INIT ram @@ -215,13 +86,7 @@ OUTPUT_ARCH(m68k) ENTRY(_start) MEMORY { -#ifdef RAMVEC_START - ramvec : ORIGIN = RAMVEC_START, LENGTH = RAMVEC_LENGTH -#endif ram : ORIGIN = RAM_START, LENGTH = RAM_LENGTH -#ifdef RAM_END - eram : ORIGIN = RAM_END, LENGTH = 0 -#endif #ifdef ROM_START romvec : ORIGIN = ROMVEC_START, LENGTH = ROMVEC_LENGTH rom : ORIGIN = ROM_START, LENGTH = ROM_LENGTH @@ -308,12 +173,6 @@ SECTIONS { __rom_end = . ; } > erom #endif -#ifdef RAMVEC_START - . = RAMVEC_START ; - .ramvec : { - __ramvec = .; - } > ramvec -#endif .data DATA_ADDR : { . = ALIGN(4); @@ -373,12 +232,5 @@ SECTIONS { _ebss = . ; } > BSS -#ifdef RAM_END - . = RAM_END ; - .eram : { - __ramend = . ; - _ramend = . ; - } > eram -#endif } |