diff options
Diffstat (limited to 'arch/cris/arch-v10')
| -rw-r--r-- | arch/cris/arch-v10/boot/Makefile | 1 | ||||
| -rw-r--r-- | arch/cris/arch-v10/boot/compressed/Makefile | 14 | ||||
| -rw-r--r-- | arch/cris/arch-v10/boot/compressed/decompress.ld | 3 | ||||
| -rw-r--r-- | arch/cris/arch-v10/boot/compressed/head.S | 98 | ||||
| -rw-r--r-- | arch/cris/arch-v10/boot/compressed/misc.c | 144 | ||||
| -rw-r--r-- | arch/cris/arch-v10/boot/rescue/Makefile | 9 | ||||
| -rw-r--r-- | arch/cris/arch-v10/drivers/pcf8563.c | 2 | ||||
| -rw-r--r-- | arch/cris/arch-v10/kernel/debugport.c | 20 |
8 files changed, 148 insertions, 143 deletions
diff --git a/arch/cris/arch-v10/boot/Makefile b/arch/cris/arch-v10/boot/Makefile index 20c83a5..2172030 100644 --- a/arch/cris/arch-v10/boot/Makefile +++ b/arch/cris/arch-v10/boot/Makefile @@ -2,7 +2,6 @@ # arch/cris/arch-v10/boot/Makefile # -OBJCOPY = objcopy-cris OBJCOPYFLAGS = -O binary --remove-section=.bss subdir- := compressed rescue diff --git a/arch/cris/arch-v10/boot/compressed/Makefile b/arch/cris/arch-v10/boot/compressed/Makefile index 4a031cb..08d943c 100644 --- a/arch/cris/arch-v10/boot/compressed/Makefile +++ b/arch/cris/arch-v10/boot/compressed/Makefile @@ -2,12 +2,10 @@ # arch/cris/arch-v10/boot/compressed/Makefile # -CC = gcc-cris -melf $(LINUXINCLUDE) -ccflags-y += -O2 -LD = ld-cris -ldflags-y += -T $(obj)/decompress.ld +asflags-y += $(LINUXINCLUDE) +ccflags-y += -O2 $(LINUXINCLUDE) +ldflags-y += -T $(srctree)/$(obj)/decompress.ld OBJECTS = $(obj)/head.o $(obj)/misc.o -OBJCOPY = objcopy-cris OBJCOPYFLAGS = -O binary --remove-section=.bss quiet_cmd_image = BUILD $@ @@ -21,12 +19,6 @@ $(obj)/decompress.o: $(OBJECTS) FORCE $(obj)/decompress.bin: $(obj)/decompress.o FORCE $(call if_changed,objcopy) -$(obj)/head.o: $(obj)/head.S .config - @$(CC) -D__ASSEMBLY__ -traditional -c $< -o $@ - -$(obj)/misc.o: $(obj)/misc.c .config - @$(CC) -D__KERNEL__ -c $< -o $@ - $(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE $(call if_changed,image) diff --git a/arch/cris/arch-v10/boot/compressed/decompress.ld b/arch/cris/arch-v10/boot/compressed/decompress.ld index 0b0a14f..e80f459 100644 --- a/arch/cris/arch-v10/boot/compressed/decompress.ld +++ b/arch/cris/arch-v10/boot/compressed/decompress.ld @@ -1,4 +1,5 @@ -OUTPUT_FORMAT(elf32-us-cris) +/* OUTPUT_FORMAT(elf32-us-cris) */ +OUTPUT_FORMAT(elf32-cris) MEMORY { diff --git a/arch/cris/arch-v10/boot/compressed/head.S b/arch/cris/arch-v10/boot/compressed/head.S index 610bdb2..981fbae 100644 --- a/arch/cris/arch-v10/boot/compressed/head.S +++ b/arch/cris/arch-v10/boot/compressed/head.S @@ -15,77 +15,77 @@ #define COMMAND_LINE_MAGIC 0x87109563 ;; Exported symbols - - .globl _input_data - + .globl input_data + + .text nop di ;; We need to initialze DRAM registers before we start using the DRAM - - cmp.d RAM_INIT_MAGIC, r8 ; Already initialized? + + cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized? beq dram_init_finished nop - + #include "../../lib/dram_init.S" - -dram_init_finished: - + +dram_init_finished: + ;; Initiate the PA and PB ports - move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, r0 - move.b r0, [R_PORT_PA_DATA] + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0 + move.b $r0, [R_PORT_PA_DATA] - move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, r0 - move.b r0, [R_PORT_PA_DIR] + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0 + move.b $r0, [R_PORT_PA_DIR] - move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, r0 - move.b r0, [R_PORT_PB_DATA] + move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0 + move.b $r0, [R_PORT_PB_DATA] - move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, r0 - move.b r0, [R_PORT_PB_DIR] + move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0 + move.b $r0, [R_PORT_PB_DIR] ;; Setup the stack to a suitably high address. ;; We assume 8 MB is the minimum DRAM in an eLinux ;; product and put the sp at the top for now. - move.d 0x40800000, sp + move.d 0x40800000, $sp ;; Figure out where the compressed piggyback image is ;; in the flash (since we wont try to copy it to DRAM ;; before unpacking). It is at _edata, but in flash. ;; Use (_edata - basse) as offset to the current PC. - -basse: move.d pc, r5 - and.d 0x7fffffff, r5 ; strip any non-cache bit - subq 2, r5 ; compensate for the move.d pc instr - move.d r5, r0 ; save for later - flash address of 'basse' - add.d _edata, r5 - sub.d basse, r5 ; r5 = flash address of '_edata' - + +basse: move.d $pc, $r5 + and.d 0x7fffffff, $r5 ; strip any non-cache bit + subq 2, $r5 ; compensate for the move.d $pc instr + move.d $r5, $r0 ; save for later - flash address of 'basse' + add.d _edata, $r5 + sub.d basse, $r5 ; $r5 = flash address of '_edata' + ;; Copy text+data to DRAM - - move.d basse, r1 ; destination - move.d _edata, r2 ; end destination -1: move.w [r0+], r3 - move.w r3, [r1+] - cmp.d r2, r1 + + move.d basse, $r1 ; destination + move.d _edata, $r2 ; end destination +1: move.w [$r0+], $r3 + move.w $r3, [$r1+] + cmp.d $r2, $r1 bcs 1b nop - move.d r5, [_input_data] ; for the decompressor + move.d $r5, [input_data] ; for the decompressor ;; Clear the decompressors BSS (between _edata and _end) - - moveq 0, r0 - move.d _edata, r1 - move.d _end, r2 -1: move.w r0, [r1+] - cmp.d r2, r1 + + moveq 0, $r0 + move.d _edata, $r1 + move.d _end, $r2 +1: move.w $r0, [$r1+] + cmp.d $r2, $r1 bcs 1b nop @@ -94,16 +94,16 @@ basse: move.d pc, r5 move.d $r10, [$r12] move.d _cmd_line_addr, $r12 move.d $r11, [$r12] - - ;; Do the decompression and save compressed size in _inptr - jsr _decompress_kernel - - ;; Put start address of root partition in r9 so the kernel can use it + ;; Do the decompression and save compressed size in inptr + + jsr decompress_kernel + + ;; Put start address of root partition in $r9 so the kernel can use it ;; when mounting from flash - move.d [_input_data], r9 ; flash address of compressed kernel - add.d [_inptr], r9 ; size of compressed kernel + move.d [input_data], $r9 ; flash address of compressed kernel + add.d [inptr], $r9 ; size of compressed kernel ;; Restore command line magic and address. move.d _cmd_line_magic, $r10 @@ -112,12 +112,12 @@ basse: move.d pc, r5 move.d [$r11], $r11 ;; Enter the decompressed kernel - move.d RAM_INIT_MAGIC, r8 ; Tell kernel that DRAM is initialized + move.d RAM_INIT_MAGIC, $r8 ; Tell kernel that DRAM is initialized jump 0x40004000 ; kernel is linked to this address - + .data -_input_data: +input_data: .dword 0 ; used by the decompressor _cmd_line_magic: .dword 0 diff --git a/arch/cris/arch-v10/boot/compressed/misc.c b/arch/cris/arch-v10/boot/compressed/misc.c index 9a43ab1..18e13bc 100644 --- a/arch/cris/arch-v10/boot/compressed/misc.c +++ b/arch/cris/arch-v10/boot/compressed/misc.c @@ -29,12 +29,10 @@ #define OF(args) args #define STATIC static -void* memset(void* s, int c, size_t n); -void* memcpy(void* __dest, __const void* __src, - size_t __n); - -#define memzero(s, n) memset ((s), 0, (n)) +void *memset(void *s, int c, size_t n); +void *memcpy(void *__dest, __const void *__src, size_t __n); +#define memzero(s, n) memset((s), 0, (n)) typedef unsigned char uch; typedef unsigned short ush; @@ -62,57 +60,69 @@ static unsigned outcnt = 0; /* bytes in output buffer */ #define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */ #define RESERVED 0xC0 /* bit 6,7: reserved */ -#define get_byte() inbuf[inptr++] - +#define get_byte() (inbuf[inptr++]) + /* Diagnostic functions */ #ifdef DEBUG -# define Assert(cond,msg) {if(!(cond)) error(msg);} +# define Assert(cond, msg) do { \ + if (!(cond)) \ + error(msg); \ + } while (0) # define Trace(x) fprintf x -# define Tracev(x) {if (verbose) fprintf x ;} -# define Tracevv(x) {if (verbose>1) fprintf x ;} -# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} -# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} +# define Tracev(x) do { \ + if (verbose) \ + fprintf x; \ + } while (0) +# define Tracevv(x) do { \ + if (verbose > 1) \ + fprintf x; \ + } while (0) +# define Tracec(c, x) do { \ + if (verbose && (c)) \ + fprintf x; \ + } while (0) +# define Tracecv(c, x) do { \ + if (verbose > 1 && (c)) \ + fprintf x; \ + } while (0) #else -# define Assert(cond,msg) +# define Assert(cond, msg) # define Trace(x) # define Tracev(x) # define Tracevv(x) -# define Tracec(c,x) -# define Tracecv(c,x) +# define Tracec(c, x) +# define Tracecv(c, x) #endif -static int fill_inbuf(void); static void flush_window(void); static void error(char *m); -static void gzip_mark(void **); -static void gzip_release(void **); extern char *input_data; /* lives in head.S */ static long bytes_out = 0; static uch *output_data; static unsigned long output_ptr = 0; - + static void *malloc(int size); static void free(void *where); -static void error(char *m); static void gzip_mark(void **); static void gzip_release(void **); - + static void puts(const char *); /* the "heap" is put directly after the BSS ends, at end */ - -extern int end; -static long free_mem_ptr = (long)&end; - + +extern int _end; +static long free_mem_ptr = (long)&_end; + #include "../../../../../lib/inflate.c" static void *malloc(int size) { void *p; - if (size <0) error("Malloc error"); + if (size < 0) + error("Malloc error"); free_mem_ptr = (free_mem_ptr + 3) & ~3; /* Align */ @@ -142,44 +152,47 @@ static void puts(const char *s) { #ifndef CONFIG_ETRAX_DEBUG_PORT_NULL - while(*s) { + while (*s) { #ifdef CONFIG_ETRAX_DEBUG_PORT0 - while(!(*R_SERIAL0_STATUS & (1 << 5))) ; + while (!(*R_SERIAL0_STATUS & (1 << 5))) ; *R_SERIAL0_TR_DATA = *s++; #endif #ifdef CONFIG_ETRAX_DEBUG_PORT1 - while(!(*R_SERIAL1_STATUS & (1 << 5))) ; + while (!(*R_SERIAL1_STATUS & (1 << 5))) ; *R_SERIAL1_TR_DATA = *s++; #endif #ifdef CONFIG_ETRAX_DEBUG_PORT2 - while(!(*R_SERIAL2_STATUS & (1 << 5))) ; + while (!(*R_SERIAL2_STATUS & (1 << 5))) ; *R_SERIAL2_TR_DATA = *s++; #endif #ifdef CONFIG_ETRAX_DEBUG_PORT3 - while(!(*R_SERIAL3_STATUS & (1 << 5))) ; + while (!(*R_SERIAL3_STATUS & (1 << 5))) ; *R_SERIAL3_TR_DATA = *s++; #endif } #endif } -void* -memset(void* s, int c, size_t n) +void *memset(void *s, int c, size_t n) { int i; - char *ss = (char*)s; + char *ss = (char *)s; + + for (i = 0; i < n; i++) + ss[i] = c; - for (i=0;i<n;i++) ss[i] = c; + return s; } -void* -memcpy(void* __dest, __const void* __src, - size_t __n) +void *memcpy(void *__dest, __const void *__src, size_t __n) { int i; char *d = (char *)__dest, *s = (char *)__src; - for (i=0;i<__n;i++) d[i] = s[i]; + for (i = 0; i < __n; i++) + d[i] = s[i]; + + return __dest; } /* =========================================================================== @@ -187,46 +200,44 @@ memcpy(void* __dest, __const void* __src, * (Used for the decompressed data only.) */ -static void -flush_window() +static void flush_window(void) { - ulg c = crc; /* temporary variable */ - unsigned n; - uch *in, *out, ch; - - in = window; - out = &output_data[output_ptr]; - for (n = 0; n < outcnt; n++) { - ch = *out++ = *in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (ulg)outcnt; - output_ptr += (ulg)outcnt; - outcnt = 0; + ulg c = crc; /* temporary variable */ + unsigned n; + uch *in, *out, ch; + + in = window; + out = &output_data[output_ptr]; + for (n = 0; n < outcnt; n++) { + ch = *out = *in; + out++; + in++; + c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); + } + crc = c; + bytes_out += (ulg)outcnt; + output_ptr += (ulg)outcnt; + outcnt = 0; } -static void -error(char *x) +static void error(char *x) { puts("\n\n"); puts(x); puts("\n\n -- System halted\n"); - while(1); /* Halt */ + while (1); /* Halt */ } -void -setup_normal_output_buffer() +void setup_normal_output_buffer(void) { output_data = (char *)KERNEL_LOAD_ADR; } -void -decompress_kernel() +void decompress_kernel(void) { char revision; - + /* input_data is set in head.S */ inbuf = input_data; @@ -257,11 +268,10 @@ decompress_kernel() makecrc(); - __asm__ volatile ("move vr,%0" : "=rm" (revision)); - if (revision < 10) - { + __asm__ volatile ("move $vr,%0" : "=rm" (revision)); + if (revision < 10) { puts("You need an ETRAX 100LX to run linux 2.6\n"); - while(1); + while (1); } puts("Uncompressing Linux...\n"); diff --git a/arch/cris/arch-v10/boot/rescue/Makefile b/arch/cris/arch-v10/boot/rescue/Makefile index 2e5045b..07688da 100644 --- a/arch/cris/arch-v10/boot/rescue/Makefile +++ b/arch/cris/arch-v10/boot/rescue/Makefile @@ -2,12 +2,9 @@ # Makefile for rescue (bootstrap) code # -CC = gcc-cris -mlinux $(LINUXINCLUDE) -ccflags-y += -O2 -asflags-y += -traditional -LD = gcc-cris -mlinux -nostdlib -ldflags-y += -T $(obj)/rescue.ld -OBJCOPY = objcopy-cris +ccflags-y += -O2 $(LINUXINCLUDE) +asflags-y += $(LINUXINCLUDE) +ldflags-y += -T $(srctree)/$(obj)/rescue.ld OBJCOPYFLAGS = -O binary --remove-section=.bss obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o OBJECT := $(obj)/head.o diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c index 52103d1..8769dc9 100644 --- a/arch/cris/arch-v10/drivers/pcf8563.c +++ b/arch/cris/arch-v10/drivers/pcf8563.c @@ -233,7 +233,7 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, if (copy_to_user((struct rtc_time *) arg, &tm, sizeof tm)) { - spin_unlock(&rtc_lock); + mutex_unlock(&rtc_lock); return -EFAULT; } diff --git a/arch/cris/arch-v10/kernel/debugport.c b/arch/cris/arch-v10/kernel/debugport.c index 04d5eee..3dc6e91 100644 --- a/arch/cris/arch-v10/kernel/debugport.c +++ b/arch/cris/arch-v10/kernel/debugport.c @@ -426,12 +426,18 @@ static int dummy_write(struct tty_struct * tty, return count; } -static int -dummy_write_room(struct tty_struct *tty) +static int dummy_write_room(struct tty_struct *tty) { return 8192; } +static const struct tty_operations dummy_ops = { + .open = dummy_open, + .close = dummy_close, + .write = dummy_write, + .write_room = dummy_write_room, +}; + void __init init_dummy_console(void) { @@ -444,14 +450,14 @@ init_dummy_console(void) dummy_driver.type = TTY_DRIVER_TYPE_SERIAL; dummy_driver.subtype = SERIAL_TYPE_NORMAL; dummy_driver.init_termios = tty_std_termios; + /* Normally B9600 default... */ dummy_driver.init_termios.c_cflag = - B115200 | CS8 | CREAD | HUPCL | CLOCAL; /* is normally B9600 default... */ + B115200 | CS8 | CREAD | HUPCL | CLOCAL; dummy_driver.flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; + dummy_driver.init_termios.c_ispeed = 115200; + dummy_driver.init_termios.c_ospeed = 115200; - dummy_driver.open = dummy_open; - dummy_driver.close = dummy_close; - dummy_driver.write = dummy_write; - dummy_driver.write_room = dummy_write_room; + dummy_driver.ops = &dummy_ops; if (tty_register_driver(&dummy_driver)) panic("Couldn't register dummy serial driver\n"); } |