diff options
Diffstat (limited to 'arch/sparc')
45 files changed, 543 insertions, 1039 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 45d9c87d083a..95695e97703e 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -50,6 +50,7 @@ config SPARC64 select RTC_DRV_STARFIRE select HAVE_PERF_EVENTS select PERF_USE_VMALLOC + select HAVE_GENERIC_HARDIRQS config ARCH_DEFCONFIG string @@ -107,10 +108,6 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK config NEED_PER_CPU_PAGE_FIRST_CHUNK def_bool y if SPARC64 -config GENERIC_HARDIRQS_NO__DO_IRQ - bool - def_bool y if SPARC64 - config MMU bool default y @@ -276,10 +273,6 @@ config HOTPLUG_CPU can be controlled through /sys/devices/system/cpu/cpu#. Say N if you want to disable CPU hotplug. -config GENERIC_HARDIRQS - bool - default y if SPARC64 - source "kernel/time/Kconfig" if SPARC64 diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile index 97e3feb9ff1b..a2c5898c1ab1 100644 --- a/arch/sparc/boot/Makefile +++ b/arch/sparc/boot/Makefile @@ -6,25 +6,24 @@ ROOT_IMG := /usr/src/root.img ELFTOAOUT := elftoaout -hostprogs-y := piggyback_32 piggyback_64 btfixupprep +hostprogs-y := piggyback btfixupprep targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout clean-files := System.map quiet_cmd_elftoaout = ELFTOAOUT $@ cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@ +quiet_cmd_piggy = PIGGY $@ + cmd_piggy = $(obj)/piggyback $(BITS) $@ System.map $(ROOT_IMG) +quiet_cmd_strip = STRIP $@ + cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $< -o $@ ifeq ($(CONFIG_SPARC32),y) -quiet_cmd_piggy = PIGGY $@ - cmd_piggy = $(obj)/piggyback_32 $@ System.map $(ROOT_IMG) quiet_cmd_btfix = BTFIX $@ cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@ quiet_cmd_sysmap = SYSMAP $(obj)/System.map cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap quiet_cmd_image = LD $@ cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@ -quiet_cmd_strip = STRIP $@ - cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $(obj)/image -o $@ - define rule_image $(if $($(quiet)cmd_image), \ @@ -57,10 +56,7 @@ $(obj)/image: $(obj)/btfix.o FORCE $(obj)/zImage: $(obj)/image $(call if_changed,strip) - -$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback_32 System.map $(ROOT_IMG) FORCE - $(call if_changed,elftoaout) - $(call if_changed,piggy) + @echo ' kernel: $@ is ready' $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE $(call if_changed,btfix) @@ -68,11 +64,6 @@ $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE endif ifeq ($(CONFIG_SPARC64),y) -quiet_cmd_piggy = PIGGY $@ - cmd_piggy = $(obj)/piggyback_64 $@ System.map $(ROOT_IMG) -quiet_cmd_strip = STRIP $@ - cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start vmlinux -o $@ - # Actual linking $(obj)/image: vmlinux FORCE @@ -81,10 +72,6 @@ $(obj)/image: vmlinux FORCE $(obj)/zImage: $(obj)/image $(call if_changed,gzip) - -$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback_64 System.map $(ROOT_IMG) FORCE - $(call if_changed,elftoaout) - $(call if_changed,piggy) @echo ' kernel: $@ is ready' $(obj)/vmlinux.aout: vmlinux FORCE @@ -92,3 +79,6 @@ $(obj)/vmlinux.aout: vmlinux FORCE @echo ' kernel: $@ is ready' endif +$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE + $(call if_changed,elftoaout) + $(call if_changed,piggy) diff --git a/arch/sparc/boot/piggyback.c b/arch/sparc/boot/piggyback.c new file mode 100644 index 000000000000..c0a798fcf030 --- /dev/null +++ b/arch/sparc/boot/piggyback.c @@ -0,0 +1,272 @@ +/* + Simple utility to make a single-image install kernel with initial ramdisk + for Sparc tftpbooting without need to set up nfs. + + Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + Pete Zaitcev <zaitcev@yahoo.com> endian fixes for cross-compiles, 2000. + Copyright (C) 2011 Sam Ravnborg <sam@ravnborg.org> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include <dirent.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> + +#include <sys/types.h> +#include <sys/stat.h> + +/* + * Note: run this on an a.out kernel (use elftoaout for it), + * as PROM looks for a.out image only. + */ + +#define AOUT_TEXT_OFFSET 32 + +static int is64bit = 0; + +/* align to power-of-two size */ +static int align(int n) +{ + if (is64bit) + return (n + 0x1fff) & ~0x1fff; + else + return (n + 0xfff) & ~0xfff; +} + +/* read two bytes as big endian */ +static unsigned short ld2(char *p) +{ + return (p[0] << 8) | p[1]; +} + +/* save 4 bytes as big endian */ +static void st4(char *p, unsigned int x) +{ + p[0] = x >> 24; + p[1] = x >> 16; + p[2] = x >> 8; + p[3] = x; +} + +static void die(const char *str) +{ + perror(str); + exit(1); +} + +static void usage(void) +{ + /* fs_img.gz is an image of initial ramdisk. */ + fprintf(stderr, "Usage: piggyback bits vmlinux.aout System.map fs_img.gz\n"); + fprintf(stderr, "\tKernel image will be modified in place.\n"); + exit(1); +} + +static int start_line(const char *line) +{ + if (strcmp(line + 8, " T _start\n") == 0) + return 1; + else if (strcmp(line + 16, " T _start\n") == 0) + return 1; + return 0; +} + +static int end_line(const char *line) +{ + if (strcmp(line + 8, " A _end\n") == 0) + return 1; + else if (strcmp (line + 16, " A _end\n") == 0) + return 1; + return 0; +} + +/* + * Find address for start and end in System.map. + * The file looks like this: + * f0004000 T _start + * f0379f79 A _end + * 1234567890123456 + * ^coloumn 1 + * There is support for 64 bit addresses too. + * + * Return 0 if either start or end is not found + */ +static int get_start_end(const char *filename, unsigned int *start, + unsigned int *end) +{ + FILE *map; + char buffer[1024]; + + *start = 0; + *end = 0; + map = fopen(filename, "r"); + if (!map) + die(filename); + while (fgets(buffer, 1024, map)) { + if (start_line(buffer)) + *start = strtoul(buffer, NULL, 16); + else if (end_line(buffer)) + *end = strtoul(buffer, NULL, 16); + } + fclose (map); + + if (*start == 0 || *end == 0) + return 0; + + return 1; +} + +#define LOOKBACK (128 * 4) +#define BUFSIZE 1024 +/* + * Find the HdrS entry from head_32/head_64. + * We check if it is at the beginning of the file (sparc64 case) + * and if not we search for it. + * When we search do so in steps of 4 as HdrS is on a 4-byte aligned + * address (it is on same alignment as sparc instructions) + * Return the offset to the HdrS entry (as off_t) + */ +static off_t get_hdrs_offset(int kernelfd, const char *filename) +{ + char buffer[BUFSIZE]; + off_t offset; + int i; + + if (lseek(kernelfd, 0, SEEK_SET) < 0) + die("lseek"); + if (read(kernelfd, buffer, BUFSIZE) != BUFSIZE) + die(filename); + + if (buffer[40] == 'H' && buffer[41] == 'd' && + buffer[42] == 'r' && buffer[43] == 'S') { + return 40; + } else { + /* Find the gokernel label */ + /* Decode offset from branch instruction */ + offset = ld2(buffer + AOUT_TEXT_OFFSET + 2) << 2; + /* Go back 512 bytes so we do not miss HdrS */ + offset -= LOOKBACK; + /* skip a.out header */ + offset += AOUT_TEXT_OFFSET; + if (lseek(kernelfd, offset, SEEK_SET) < 0) + die("lseek"); + if (read(kernelfd, buffer, BUFSIZE) != BUFSIZE) + die(filename); + + for (i = 0; i < LOOKBACK; i += 4) { + if (buffer[i + 0] == 'H' && buffer[i + 1] == 'd' && + buffer[i + 2] == 'r' && buffer[i + 3] == 'S') { + return offset + i; + } + } + } + fprintf (stderr, "Couldn't find headers signature in %s\n", filename); + exit(1); +} + +int main(int argc,char **argv) +{ + static char aout_magic[] = { 0x01, 0x03, 0x01, 0x07 }; + char buffer[1024]; + unsigned int i, start, end; + off_t offset; + struct stat s; + int image, tail; + + if (argc != 5) + usage(); + if (strcmp(argv[1], "64") == 0) + is64bit = 1; + if (stat (argv[4], &s) < 0) + die(argv[4]); + + if (!get_start_end(argv[3], &start, &end)) { + fprintf(stderr, "Could not determine start and end from %s\n", + argv[3]); + exit(1); + } + if ((image = open(argv[2], O_RDWR)) < 0) + die(argv[2]); + if (read(image, buffer, 512) != 512) + die(argv[2]); + if (memcmp(buffer, aout_magic, 4) != 0) { + fprintf (stderr, "Not a.out. Don't blame me.\n"); + exit(1); + } + /* + * We need to fill in values for + * sparc_ramdisk_image + sparc_ramdisk_size + * To locate these symbols search for the "HdrS" text which appear + * in the image a little before the gokernel symbol. + * See definition of these in init_32.S + */ + + offset = get_hdrs_offset(image, argv[2]); + /* skip HdrS + LINUX_VERSION_CODE + HdrS version */ + offset += 10; + + if (lseek(image, offset, 0) < 0) + die("lseek"); + + /* + * root_flags = 0 + * root_dev = 1 (RAMDISK_MAJOR) + * ram_flags = 0 + * sparc_ramdisk_image = "PAGE aligned address after _end") + * sparc_ramdisk_size = size of image + */ + st4(buffer, 0); + st4(buffer + 4, 0x01000000); + st4(buffer + 8, align(end + 32)); + st4(buffer + 12, s.st_size); + + if (write(image, buffer + 2, 14) != 14) + die(argv[2]); + + /* For sparc64 update a_text and clear a_data + a_bss */ + if (is64bit) + { + if (lseek(image, 4, 0) < 0) + die("lseek"); + /* a_text */ + st4(buffer, align(end + 32 + 8191) - (start & ~0x3fffffUL) + + s.st_size); + /* a_data */ + st4(buffer + 4, 0); + /* a_bss */ + st4(buffer + 8, 0); + if (write(image, buffer, 12) != 12) + die(argv[2]); + } + + /* seek page aligned boundary in the image file and add boot image */ + if (lseek(image, AOUT_TEXT_OFFSET - start + align(end + 32), 0) < 0) + die("lseek"); + if ((tail = open(argv[4], O_RDONLY)) < 0) + die(argv[4]); + while ((i = read(tail, buffer, 1024)) > 0) + if (write(image, buffer, i) != i) + die(argv[2]); + if (close(image) < 0) + die("close"); + if (close(tail) < 0) + die("close"); + return 0; +} diff --git a/arch/sparc/boot/piggyback_32.c b/arch/sparc/boot/piggyback_32.c deleted file mode 100644 index ac944aec7301..000000000000 --- a/arch/sparc/boot/piggyback_32.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - Simple utility to make a single-image install kernel with initial ramdisk - for Sparc tftpbooting without need to set up nfs. - - Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - Pete Zaitcev <zaitcev@yahoo.com> endian fixes for cross-compiles, 2000. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include <stdio.h> -#include <string.h> -#include <ctype.h> -#include <errno.h> -#include <fcntl.h> -#include <dirent.h> -#include <unistd.h> -#include <stdlib.h> -#include <sys/types.h> -#include <sys/stat.h> - -/* - * Note: run this on an a.out kernel (use elftoaout for it), - * as PROM looks for a.out image only. - */ - -static unsigned short ld2(char *p) -{ - return (p[0] << 8) | p[1]; -} - -static unsigned int ld4(char *p) -{ - return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]; -} - -static void st4(char *p, unsigned int x) -{ - p[0] = x >> 24; - p[1] = x >> 16; - p[2] = x >> 8; - p[3] = x; -} - -static void usage(void) -{ - /* fs_img.gz is an image of initial ramdisk. */ - fprintf(stderr, "Usage: piggyback vmlinux.aout System.map fs_img.gz\n"); - fprintf(stderr, "\tKernel image will be modified in place.\n"); - exit(1); -} - -static void die(char *str) -{ - perror (str); - exit(1); -} - -int main(int argc,char **argv) -{ - static char aout_magic[] = { 0x01, 0x03, 0x01, 0x07 }; - char buffer[1024], *q, *r; - unsigned int i, j, k, start, end, offset; - FILE *map; - struct stat s; - int image, tail; - - if (argc != 4) usage(); - start = end = 0; - if (stat (argv[3], &s) < 0) die (argv[3]); - map = fopen (argv[2], "r"); - if (!map) die(argv[2]); - while (fgets (buffer, 1024, map)) { - if (!strcmp (buffer + 8, " T start\n") || !strcmp (buffer + 16, " T start\n")) - start = strtoul (buffer, NULL, 16); - else if (!strcmp (buffer + 8, " A _end\n") || !strcmp (buffer + 16, " A _end\n")) - end = strtoul (buffer, NULL, 16); - } - fclose (map); - if (!start || !end) { - fprintf (stderr, "Could not determine start and end from System.map\n"); - exit(1); - } - if ((image = open(argv[1],O_RDWR)) < 0) die(argv[1]); - if (read(image,buffer,512) != 512) die(argv[1]); - if (memcmp (buffer, "\177ELF", 4) == 0) { - q = buffer + ld4(buffer + 28); - i = ld4(q + 4) + ld4(buffer + 24) - ld4(q + 8); - if (lseek(image,i,0) < 0) die("lseek"); - if (read(image,buffer,512) != 512) die(argv[1]); - j = 0; - } else if (memcmp(buffer, aout_magic, 4) == 0) { - i = j = 32; - } else { - fprintf (stderr, "Not ELF nor a.out. Don't blame me.\n"); - exit(1); - } - k = i; - i += (ld2(buffer + j + 2)<<2) - 512; - if (lseek(image,i,0) < 0) die("lseek"); - if (read(image,buffer,1024) != 1024) die(argv[1]); - for (q = buffer, r = q + 512; q < r; q += 4) { - if (*q == 'H' && q[1] == 'd' && q[2] == 'r' && q[3] == 'S') - break; - } - if (q == r) { - fprintf (stderr, "Couldn't find headers signature in the kernel.\n"); - exit(1); - } - offset = i + (q - buffer) + 10; - if (lseek(image, offset, 0) < 0) die ("lseek"); - - st4(buffer, 0); - st4(buffer + 4, 0x01000000); - st4(buffer + 8, (end + 32 + 4095) & ~4095); - st4(buffer + 12, s.st_size); - - if (write(image,buffer+2,14) != 14) die (argv[1]); - if (lseek(image, k - start + ((end + 32 + 4095) & ~4095), 0) < 0) die ("lseek"); - if ((tail = open(argv[3],O_RDONLY)) < 0) die(argv[3]); - while ((i = read (tail,buffer,1024)) > 0) - if (write(image,buffer,i) != i) die (argv[1]); - if (close(image) < 0) die("close"); - if (close(tail) < 0) die("close"); - return 0; -} diff --git a/arch/sparc/boot/piggyback_64.c b/arch/sparc/boot/piggyback_64.c deleted file mode 100644 index a26a686cb5aa..000000000000 --- a/arch/sparc/boot/piggyback_64.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - Simple utility to make a single-image install kernel with initial ramdisk - for Sparc64 tftpbooting without need to set up nfs. - - Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include <stdio.h> -#include <string.h> -#include <ctype.h> -#include <errno.h> -#include <fcntl.h> -#include <dirent.h> -#include <unistd.h> -#include <stdlib.h> -#include <sys/types.h> -#include <sys/stat.h> - -/* Note: run this on an a.out kernel (use elftoaout for it), as PROM looks for a.out image onlly - usage: piggyback vmlinux System.map tail, where tail is gzipped fs of the initial ramdisk */ - -static void die(char *str) -{ - perror (str); - exit(1); -} - -int main(int argc,char **argv) -{ - char buffer [1024], *q, *r; - unsigned int i, j, k, start, end, offset; - FILE *map; - struct stat s; - int image, tail; - - start = end = 0; - if (stat (argv[3], &s) < 0) die (argv[3]); - map = fopen (argv[2], "r"); - if (!map) die(argv[2]); - while (fgets (buffer, 1024, map)) { - if (!strcmp (buffer + 19, "_start\n")) - start = strtoul (buffer + 8, NULL, 16); - else if (!strcmp (buffer + 19, "_end\n")) - end = strtoul (buffer + 8, NULL, 16); - } - fclose (map); - if ((image = open(argv[1],O_RDWR)) < 0) die(argv[1]); - if (read(image,buffer,512) != 512) die(argv[1]); - if (!memcmp (buffer, "\177ELF", 4)) { - unsigned int *p = (unsigned int *)(buffer + *(unsigned int *)(buffer + 28)); - - i = p[1] + *(unsigned int *)(buffer + 24) - p[2]; - if (lseek(image,i,0) < 0) die("lseek"); - if (read(image,buffer,512) != 512) die(argv[1]); - j = 0; - } else if (*(unsigned int *)buffer == 0x01030107) { - i = j = 32; - } else { - fprintf (stderr, "Not ELF nor a.out. Don't blame me.\n"); - exit(1); - } - k = i; - if (j == 32 && buffer[40] == 'H' && buffer[41] == 'd' && buffer[42] == 'r' && buffer[43] == 'S') { - offset = 40 + 10; - } else { - i += ((*(unsigned short *)(buffer + j + 2))<<2) - 512; - if (lseek(image,i,0) < 0) die("lseek"); - if (read(image,buffer,1024) != 1024) die(argv[1]); - for (q = buffer, r = q + 512; q < r; q += 4) { - if (*q == 'H' && q[1] == 'd' && q[2] == 'r' && q[3] == 'S') - break; - } - if (q == r) { - fprintf (stderr, "Couldn't find headers signature in the kernel.\n"); - exit(1); - } - offset = i + (q - buffer) + 10; - } - if (lseek(image, offset, 0) < 0) die ("lseek"); - *(unsigned *)buffer = 0; - *(unsigned *)(buffer + 4) = 0x01000000; - *(unsigned *)(buffer + 8) = ((end + 32 + 8191) & ~8191); - *(unsigned *)(buffer + 12) = s.st_size; - if (write(image,buffer+2,14) != 14) die (argv[1]); - if (lseek(image, 4, 0) < 0) die ("lseek"); - *(unsigned *)buffer = ((end + 32 + 8191) & ~8191) - (start & ~0x3fffffUL) + s.st_size; - *(unsigned *)(buffer + 4) = 0; - *(unsigned *)(buffer + 8) = 0; - if (write(image,buffer,12) != 12) die (argv[1]); - if (lseek(image, k - start + ((end + 32 + 8191) & ~8191), 0) < 0) die ("lseek"); - if ((tail = open(argv[3],O_RDONLY)) < 0) die(argv[3]); - while ((i = read (tail,buffer,1024)) > 0) - if (write(image,buffer,i) != i) die (argv[1]); - if (close(image) < 0) die("close"); - if (close(tail) < 0) die("close"); - return 0; -} diff --git a/arch/sparc/include/asm/ioctls.h b/arch/sparc/include/asm/ioctls.h index 53f4ee009bdd..ed3807b96bb5 100644 --- a/arch/sparc/include/asm/ioctls.h +++ b/arch/sparc/include/asm/ioctls.h @@ -19,6 +19,7 @@ #define TCSETS2 _IOW('T', 13, struct termios2) #define TCSETSW2 _IOW('T', 14, struct termios2) #define TCSETSF2 _IOW('T', 15, struct termios2) +#define TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */ /* Note that all the ioctls that are not available in Linux have a * double underscore on the front to: a) avoid some programs to diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h index 3ea5964c43b4..8580d1764f90 100644 --- a/arch/sparc/include/asm/leon.h +++ b/arch/sparc/include/asm/leon.h @@ -224,6 +224,18 @@ static inline void sparc_leon3_disable_cache(void) "sta %%l2, [%%g0] 2\n\t" : : : "l1", "l2"); }; +static inline unsigned long sparc_leon3_asr17(void) +{ + u32 asr17; + __asm__ __volatile__ ("rd %%asr17, %0\n\t" : "=r"(asr17)); + return asr17; +}; + +static inline int sparc_leon3_cpuid(void) +{ + return sparc_leon3_asr17() >> 28; +} + #endif /*!__ASSEMBLY__*/ #ifdef CONFIG_SMP diff --git a/arch/sparc/include/asm/leon_amba.h b/arch/sparc/include/asm/leon_amba.h index 618e88821795..263c719e96f5 100644 --- a/arch/sparc/include/asm/leon_amba.h +++ b/arch/sparc/include/asm/leon_amba.h @@ -100,9 +100,8 @@ struct leon3_irqctrl_regs_map { u32 mpbroadcast; u32 notused02; u32 notused03; - u32 notused10; - u32 notused11; - u32 notused12; + u32 ampctrl; + u32 icsel[2]; u32 notused13; u32 notused20; u32 notused21; @@ -112,6 +111,7 @@ struct leon3_irqctrl_regs_map { u32 force[16]; /* Extended IRQ registers */ u32 intid[16]; /* 0xc0 */ + u32 unused[(0x1000-0x100)/4]; }; struct leon3_apbuart_regs_map { diff --git a/arch/sparc/include/asm/openprom.h b/arch/sparc/include/asm/openprom.h index 81cd43432dc0..47eaafad15ce 100644 --- a/arch/sparc/include/asm/openprom.h +++ b/arch/sparc/include/asm/openprom.h @@ -39,7 +39,7 @@ struct linux_dev_v2_funcs { int (*v2_dev_open)(char *devpath); void (*v2_dev_close)(int d); int (*v2_dev_read)(int d, char *buf, int nbytes); - int (*v2_dev_write)(int d, char *buf, int nbytes); + int (*v2_dev_write)(int d, const char *buf, int nbytes); int (*v2_dev_seek)(int d, int hi, int lo); /* Never issued (multistage load support) */ diff --git a/arch/sparc/include/asm/oplib_32.h b/arch/sparc/include/asm/oplib_32.h index 51296a6f5005..71e5e9aeb67e 100644 --- a/arch/sparc/include/asm/oplib_32.h +++ b/arch/sparc/include/asm/oplib_32.h @@ -48,37 +48,6 @@ extern void prom_init(struct linux_romvec *rom_ptr); /* Boot argument acquisition, returns the boot command line string. */ extern char *prom_getbootargs(void); -/* Device utilities. */ - -/* Map and unmap devices in IO space at virtual addresses. Note that the - * virtual address you pass is a request and the prom may put your mappings - * somewhere else, so check your return value as that is where your new - * mappings really are! - * - * Another note, these are only available on V2 or higher proms! - */ -extern char *prom_mapio(char *virt_hint, int io_space, unsigned int phys_addr, unsigned int num_bytes); -extern void prom_unmapio(char *virt_addr, unsigned int num_bytes); - -/* Device operations. */ - -/* Open the device described by the passed string. Note, that the format - * of the string is different on V0 vs. V2->higher proms. The caller must - * know what he/she is doing! Returns the device descriptor, an int. - */ -extern int prom_devopen(char *device_string); - -/* Close a previously opened device described by the passed integer - * descriptor. - */ -extern int prom_devclose(int device_handle); - -/* Do a seek operation on the device described by the passed integer - * descriptor. - */ -extern void prom_seek(int device_handle, unsigned int seek_hival, - unsigned int seek_lowval); - /* Miscellaneous routines, don't really fit in any category per se. */ /* Reboot the machine with the command line passed. */ @@ -95,7 +64,7 @@ extern void prom_cmdline(void); /* Enter the prom, with no chance of continuation for the stand-alone * which calls this. */ -extern void prom_halt(void) __attribute__ ((noreturn)); +extern void __noreturn prom_halt(void); /* Set the PROM 'sync' callback function to the passed function pointer. * When the user gives the 'sync' command at the prom prompt while the @@ -121,19 +90,8 @@ extern int prom_getrev(void); /* Get the prom firmware revision. */ extern int prom_getprev(void); -/* Character operations to/from the console.... */ - -/* Non-blocking get character from console. */ -extern int prom_nbgetchar(void); - -/* Non-blocking put character to console. */ -extern int prom_nbputchar(char character); - -/* Blocking get character from console. */ -extern char prom_getchar(void); - -/* Blocking put character to console. */ -extern void prom_putchar(char character); +/* Write a buffer of characters to the console. */ +extern void prom_console_write_buf(const char *buf, int len); /* Prom's internal routines, don't use in kernel/boot code. */ extern void prom_printf(const char *fmt, ...); @@ -147,25 +105,6 @@ extern void prom_write(const char *buf, unsigned int len); extern int prom_startcpu(int cpunode, struct linux_prom_registers *context_table, int context, char *program_counter); -/* Stop the CPU with the passed device tree node. */ -extern int prom_stopcpu(int cpunode); - -/* Idle the CPU with the passed device tree node. */ -extern int prom_idlecpu(int cpunode); - -/* Re-Start the CPU with the passed device tree node. */ -extern int prom_restartcpu(int cpunode); - -/* PROM memory allocation facilities... */ - -/* Allocated at possibly the given virtual address a chunk of the - * indicated size. - */ -extern char *prom_alloc(char *virt_hint, unsigned int size); - -/* Free a previously allocated chunk. */ -extern void prom_free(char *virt_addr, unsigned int size); - /* Sun4/sun4c specific memory-management startup hook. */ /* Map the passed segment in the given context at the passed @@ -174,6 +113,8 @@ extern void prom_free(char *virt_addr, unsigned int size); extern void prom_putsegment(int context, unsigned long virt_addr, int physical_segment); +/* Initialize the memory lists based upon the prom version. */ +void prom_meminit(void); /* PROM device tree traversal functions... */ @@ -208,19 +149,11 @@ extern int prom_getbool(phandle node, char *prop); /* Acquire a string property, null string on error. */ extern void prom_getstring(phandle node, char *prop, char *buf, int bufsize); -/* Does the passed node have the given "name"? YES=1 NO=0 */ -extern int prom_nodematch(phandle thisnode, char *name); - /* Search all siblings starting at the passed node for "name" matching * the given string. Returns the node on success, zero on failure. */ extern phandle prom_searchsiblings(phandle node_start, char *name); -/* Return the first property type, as a string, for the given node. - * Returns a null string on error. - */ -extern char *prom_firstprop(phandle node, char *buffer); - /* Returns the next property after the passed property for the given * node. Returns null string on failure. */ @@ -229,16 +162,12 @@ extern char *prom_nextprop(phandle node, char *prev_property, char *buffer); /* Returns phandle of the path specified */ extern phandle prom_finddevice(char *name); -/* Returns 1 if the specified node has given property. */ -extern int prom_node_has_property(phandle node, char *property); - /* Set the indicated property at the given node with the passed value. * Returns the number of bytes of your value that the prom took. */ extern int prom_setprop(phandle node, const char *prop_name, char *prop_value, int value_size); -extern phandle prom_pathtoinode(char *path); extern phandle prom_inst2pkg(int); /* Dorking with Bus ranges... */ @@ -250,6 +179,8 @@ extern void prom_apply_obio_ranges(struct linux_prom_registers *obioregs, int nr extern void prom_apply_generic_ranges(phandle node, phandle parent, struct linux_prom_registers *sbusregs, int nregs); +void prom_ranges_init(void); + /* CPU probing helpers. */ int cpu_find_by_instance(int instance, phandle *prom_node, int *mid); int cpu_find_by_mid(int mid, phandle *prom_node); diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h index c9cc078e3e31..97a90475c314 100644 --- a/arch/sparc/include/asm/oplib_64.h +++ b/arch/sparc/include/asm/oplib_64.h @@ -18,8 +18,8 @@ extern char prom_version[]; */ extern phandle prom_root_node; -/* PROM stdin and stdout */ -extern int prom_stdin, prom_stdout; +/* PROM stdout */ +extern int prom_stdout; /* /chosen node of the prom device tree, this stays constant after * initialization is complete. @@ -67,27 +67,6 @@ extern void prom_init(void *cif_handler, void *cif_stack); /* Boot argument acquisition, returns the boot command line string. */ extern char *prom_getbootargs(void); -/* Device utilities. */ - -/* Device operations. */ - -/* Open the device described by the passed string. Note, that the format - * of the string is different on V0 vs. V2->higher proms. The caller must - * know what he/she is doing! Returns the device descriptor, an int. - */ -extern int prom_devopen(const char *device_string); - -/* Close a previously opened device described by the passed integer - * descriptor. - */ -extern int prom_devclose(int device_handle); - -/* Do a seek operation on the device described by the passed integer - * descriptor. - */ -extern void prom_seek(int device_handle, unsigned int seek_hival, - unsigned int seek_lowval); - /* Miscellaneous routines, don't really fit in any category per se. */ /* Reboot the machine with the command line passed. */ @@ -109,33 +88,14 @@ extern void prom_halt(void) __attribute__ ((noreturn)); /* Halt and power-off the machine. */ extern void prom_halt_power_off(void) __attribute__ ((noreturn)); -/* Set the PROM 'sync' callback function to the passed function pointer. - * When the user gives the 'sync' command at the prom prompt while the - * kernel is still active, the prom will call this routine. - * - */ -typedef int (*callback_func_t)(long *cmd); -extern void prom_setcallback(callback_func_t func_ptr); - /* Acquire the IDPROM of the root node in the prom device tree. This * gets passed a buffer where you would like it stuffed. The return value * is the format type of this idprom or 0xff on error. */ extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size); -/* Character operations to/from the console.... */ - -/* Non-blocking get character from console. */ -extern int prom_nbgetchar(void); - -/* Non-blocking put character to console. */ -extern int prom_nbputchar(char character); - -/* Blocking get character from console. */ -extern char prom_getchar(void); - -/* Blocking put character to console. */ -extern void prom_putchar(char character); +/* Write a buffer of characters to the console. */ +extern void prom_console_write_buf(const char *buf, int len); /* Prom's internal routines, don't use in kernel/boot code. */ extern void prom_printf(const char *fmt, ...); @@ -279,9 +239,7 @@ extern phandle prom_finddevice(const char *name); extern int prom_setprop(phandle node, const char *prop_name, char *prop_value, int value_size); -extern phandle prom_pathtoinode(const char *path); extern phandle prom_inst2pkg(int); -extern int prom_service_exists(const char *service_name); extern void prom_sun4v_guest_soft_state(void); extern int prom_ihandle2path(int handle, char *buffer, int bufsize); diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h index 6e8bfa1786da..4d3dbe3703e9 100644 --- a/arch/sparc/include/asm/perf_event.h +++ b/arch/sparc/include/asm/perf_event.h @@ -4,8 +4,6 @@ #ifdef CONFIG_PERF_EVENTS #include <asm/ptrace.h> -extern void init_hw_perf_events(void); - #define perf_arch_fetch_caller_regs(regs, ip) \ do { \ unsigned long _pstate, _asi, _pil, _i7, _fp; \ @@ -26,8 +24,6 @@ do { \ (regs)->u_regs[UREG_I6] = _fp; \ (regs)->u_regs[UREG_I7] = _i7; \ } while (0) -#else -static inline void init_hw_perf_events(void) { } #endif #endif diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c index 35f48837871a..8505e0ac78ba 100644 --- a/arch/sparc/kernel/auxio_32.c +++ b/arch/sparc/kernel/auxio_32.c @@ -121,7 +121,7 @@ void __init auxio_power_probe(void) node = prom_searchsiblings(node, "obio"); node = prom_getchild(node); node = prom_searchsiblings(node, "power"); - if (node == 0 || node == -1) + if (node == 0 || (s32)node == -1) return; /* Map the power control register. */ diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c index e447938d39cf..0dc714fa23d8 100644 --- a/arch/sparc/kernel/cpu.c +++ b/arch/sparc/kernel/cpu.c @@ -375,5 +375,5 @@ static int __init cpu_type_probe(void) return 0; } -arch_initcall(cpu_type_probe); +early_initcall(cpu_type_probe); #endif diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S index 21bb2590d4ae..59423491cef8 100644 --- a/arch/sparc/kernel/head_32.S +++ b/arch/sparc/kernel/head_32.S @@ -73,12 +73,11 @@ sun4e_notsup: /* The Sparc trap table, bootloader gives us control at _start. */ __HEAD - .globl start, _stext, _start, __stext + .globl _stext, _start, __stext .globl trapbase _start: /* danger danger */ __stext: _stext: -start: trapbase: #ifdef CONFIG_SMP trapbase_cpu0: diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 2d51527d810f..fdab7f854f80 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -23,15 +23,16 @@ #include "prom.h" #include "irq.h" -struct leon3_irqctrl_regs_map *leon3_irqctrl_regs; /* interrupt controller base address, initialized by amba_init() */ -struct leon3_gptimer_regs_map *leon3_gptimer_regs; /* timer controller base address, initialized by amba_init() */ +struct leon3_irqctrl_regs_map *leon3_irqctrl_regs; /* interrupt controller base address */ +struct leon3_gptimer_regs_map *leon3_gptimer_regs; /* timer controller base address */ struct amba_apb_device leon_percpu_timer_dev[16]; int leondebug_irq_disable; int leon_debug_irqout; static int dummy_master_l10_counter; -unsigned long leon3_gptimer_irq; /* interrupt controller irq number, initialized by amba_init() */ +unsigned long leon3_gptimer_irq; /* interrupt controller irq number */ +unsigned long leon3_gptimer_idx; /* Timer Index (0..6) within Timer Core */ unsigned int sparc_leon_eirq; #define LEON_IMASK ((&leon3_irqctrl_regs->mask[0])) @@ -105,21 +106,79 @@ static void leon_disable_irq(unsigned int irq_nr) void __init leon_init_timers(irq_handler_t counter_fn) { int irq; + struct device_node *rootnp, *np, *nnp; + struct property *pp; + int len; + int cpu, icsel; + int ampopts; leondebug_irq_disable = 0; leon_debug_irqout = 0; master_l10_counter = (unsigned int *)&dummy_master_l10_counter; dummy_master_l10_counter = 0; - if (leon3_gptimer_regs && leon3_irqctrl_regs) { - LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].val, 0); - LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].rld, - (((1000000 / 100) - 1))); - LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].ctrl, 0); + /*Find IRQMP IRQ Controller Registers base address otherwise bail out.*/ + rootnp = of_find_node_by_path("/ambapp0"); + if (!rootnp) + goto bad; + np = of_find_node_by_name(rootnp, "GAISLER_IRQMP"); + if (!np) { + np = of_find_node_by_name(rootnp, "01_00d"); + if (!np) + goto bad; + } + pp = of_find_property(np, "reg", &len); + if (!pp) + goto bad; + leon3_irqctrl_regs = *(struct leon3_irqctrl_regs_map **)pp->value; + + /* Find GPTIMER Timer Registers base address otherwise bail out. */ + nnp = rootnp; + do { + np = of_find_node_by_name(nnp, "GAISLER_GPTIMER"); + if (!np) { + np = of_find_node_by_name(nnp, "01_011"); + if (!np) + goto bad; + } + + ampopts = 0; + pp = of_find_property(np, "ampopts", &len); + if (pp) { + ampopts = *(int *)pp->value; + if (ampopts == 0) { + /* Skip this instance, resource already + * allocated by other OS */ + nnp = np; + continue; + } + } + + /* Select Timer-Instance on Timer Core. Default is zero */ + leon3_gptimer_idx = ampopts & 0x7; + + pp = of_find_property(np, "reg", &len); + if (pp) + leon3_gptimer_regs = *(struct leon3_gptimer_regs_map **) + pp->value; + pp = of_find_property(np, "interrupts", &len); + if (pp) + leon3_gptimer_irq = *(unsigned int *)pp->value; + } while (0); + + if (leon3_gptimer_regs && leon3_irqctrl_regs && leon3_gptimer_irq) { + LEON3_BYPASS_STORE_PA( + &leon3_gptimer_regs->e[leon3_gptimer_idx].val, 0); + LEON3_BYPASS_STORE_PA( + &leon3_gptimer_regs->e[leon3_gptimer_idx].rld, + (((1000000 / HZ) - 1))); + LEON3_BYPASS_STORE_PA( + &leon3_gptimer_regs->e[leon3_gptimer_idx].ctrl, 0); #ifdef CONFIG_SMP leon_percpu_timer_dev[0].start = (int)leon3_gptimer_regs; - leon_percpu_timer_dev[0].irq = leon3_gptimer_irq+1; + leon_percpu_timer_dev[0].irq = leon3_gptimer_irq + 1 + + leon3_gptimer_idx; if (!(LEON3_BYPASS_LOAD_PA(&leon3_gptimer_regs->config) & (1<<LEON3_GPTIMER_SEPIRQ))) { @@ -127,17 +186,33 @@ void __init leon_init_timers(irq_handler_t counter_fn) BUG(); } - LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].val, 0); - LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].rld, (((1000000/100) - 1))); - LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].ctrl, 0); + LEON3_BYPASS_STORE_PA( + &leon3_gptimer_regs->e[leon3_gptimer_idx+1].val, 0); + LEON3_BYPASS_STORE_PA( + &leon3_gptimer_regs->e[leon3_gptimer_idx+1].rld, + (((1000000/HZ) - 1))); + LEON3_BYPASS_STORE_PA( + &leon3_gptimer_regs->e[leon3_gptimer_idx+1].ctrl, 0); # endif + /* + * The IRQ controller may (if implemented) consist of multiple + * IRQ controllers, each mapped on a 4Kb boundary. + * Each CPU may be routed to different IRQCTRLs, however + * we assume that all CPUs (in SMP system) is routed to the + * same IRQ Controller, and for non-SMP only one IRQCTRL is + * accessed anyway. + * In AMP systems, Linux must run on CPU0 for the time being. + */ + cpu = sparc_leon3_cpuid(); + icsel = LEON3_BYPASS_LOAD_PA(&leon3_irqctrl_regs->icsel[cpu/8]); + icsel = (icsel >> ((7 - (cpu&0x7)) * 4)) & 0xf; + leon3_irqctrl_regs += icsel; } else { - printk(KERN_ERR "No Timer/irqctrl found\n"); - BUG(); + goto bad; } - irq = request_irq(leon3_gptimer_irq, + irq = request_irq(leon3_gptimer_irq+leon3_gptimer_idx, counter_fn, (IRQF_DISABLED | SA_STATIC_ALLOC), "timer", NULL); @@ -169,13 +244,13 @@ void __init leon_init_timers(irq_handler_t counter_fn) # endif if (leon3_gptimer_regs) { - LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].ctrl, + LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx].ctrl, LEON3_GPTIMER_EN | LEON3_GPTIMER_RL | LEON3_GPTIMER_LD | LEON3_GPTIMER_IRQEN); #ifdef CONFIG_SMP - LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].ctrl, + LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx+1].ctrl, LEON3_GPTIMER_EN | LEON3_GPTIMER_RL | LEON3_GPTIMER_LD | @@ -183,6 +258,11 @@ void __init leon_init_timers(irq_handler_t counter_fn) #endif } + return; +bad: + printk(KERN_ERR "No Timer/irqctrl found\n"); + BUG(); + return; } void leon_clear_clock_irq(void) diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index ee3c7dde8d9f..8d348c474a2f 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -23,17 +23,11 @@ static void *module_map(unsigned long size) { - struct vm_struct *area; - - size = PAGE_ALIGN(size); - if (!size || size > MODULES_LEN) - return NULL; - - area = __get_vm_area(size, VM_ALLOC, MODULES_VADDR, MODULES_END); - if (!area) + if (PAGE_ALIGN(size) > MODULES_LEN) return NULL; - - return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL); + return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, + GFP_KERNEL, PAGE_KERNEL, -1, + __builtin_return_address(0)); } static char *dot2underscore(char *name) diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index a4bd7ba74c89..300f810142f5 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -270,8 +270,6 @@ int __init nmi_init(void) atomic_set(&nmi_active, -1); } } - if (!err) - init_hw_perf_events(); return err; } diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c index b87873c0e8ea..ae96cf52a955 100644 --- a/arch/sparc/kernel/pcr.c +++ b/arch/sparc/kernel/pcr.c @@ -168,4 +168,4 @@ out_unregister: return err; } -arch_initcall(pcr_arch_init); +early_initcall(pcr_arch_init); diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 0d6deb55a2ae..760578687e7c 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -1307,20 +1307,23 @@ static bool __init supported_pmu(void) return false; } -void __init init_hw_perf_events(void) +int __init init_hw_perf_events(void) { pr_info("Performance events: "); if (!supported_pmu()) { pr_cont("No support for PMU type '%s'\n", sparc_pmu_type); - return; + return 0; } pr_cont("Supported PMU type is '%s'\n", sparc_pmu_type); - perf_pmu_register(&pmu); + perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW); register_die_notifier(&perf_event_nmi_notifier); + + return 0; } +early_initcall(init_hw_perf_events); void perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs) diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index 0a37e8cfd160..05fb25330583 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -136,18 +136,29 @@ static void __init ebus_path_component(struct device_node *dp, char *tmp_buf) /* "name:vendor:device@irq,addrlo" */ static void __init ambapp_path_component(struct device_node *dp, char *tmp_buf) { - struct amba_prom_registers *regs; unsigned int *intr; - unsigned int *device, *vendor; + struct amba_prom_registers *regs; + unsigned int *intr, *device, *vendor, reg0; struct property *prop; + int interrupt = 0; + /* In order to get a unique ID in the device tree (multiple AMBA devices + * may have the same name) the node number is printed + */ prop = of_find_property(dp, "reg", NULL); - if (!prop) - return; - regs = prop->value; + if (!prop) { + reg0 = (unsigned int)dp->phandle; + } else { + regs = prop->value; + reg0 = regs->phys_addr; + } + + /* Not all cores have Interrupt */ prop = of_find_property(dp, "interrupts", NULL); if (!prop) - return; - intr = prop->value; + intr = &interrupt; /* IRQ0 does not exist */ + else + intr = prop->value; + prop = of_find_property(dp, "vendor", NULL); if (!prop) return; @@ -159,7 +170,7 @@ static void __init ambapp_path_component(struct device_node *dp, char *tmp_buf) sprintf(tmp_buf, "%s:%d:%d@%x,%x", dp->name, *vendor, *device, - *intr, regs->phys_addr); + *intr, reg0); } static void __init __build_path_component(struct device_node *dp, char *tmp_buf) diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index b22ce6100403..648f2161b851 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -185,7 +185,6 @@ static void __init boot_flags_init(char *commands) extern void sun4c_probe_vac(void); extern char cputypval; -extern unsigned long start, end; extern unsigned short root_flags; extern unsigned short root_dev; @@ -210,7 +209,7 @@ void __init setup_arch(char **cmdline_p) int i; unsigned long highest_paddr; - sparc_ttable = (struct tt_entry *) &start; + sparc_ttable = (struct tt_entry *) &trapbase; /* Initialize PROM console and command line. */ *cmdline_p = prom_getbootargs(); diff --git a/arch/sparc/kernel/starfire.c b/arch/sparc/kernel/starfire.c index a4446c0fb7a1..82281a566bb8 100644 --- a/arch/sparc/kernel/starfire.c +++ b/arch/sparc/kernel/starfire.c @@ -24,7 +24,7 @@ int this_is_starfire = 0; void check_if_starfire(void) { phandle ssnode = prom_finddevice("/ssp-serial"); - if (ssnode != 0 && ssnode != -1) + if (ssnode != 0 && (s32)ssnode != -1) this_is_starfire = 1; } diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index 42ad2ba85010..1e9770936c3b 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -622,7 +622,7 @@ static const char CHAFSR_PERR_msg[] = static const char CHAFSR_IERR_msg[] = "Internal processor error"; static const char CHAFSR_ISAP_msg[] = - "System request parity error on incoming addresss"; + "System request parity error on incoming address"; static const char CHAFSR_UCU_msg[] = "Uncorrectable E-cache ECC error for ifetch/data"; static const char CHAFSR_UCC_msg[] = diff --git a/arch/sparc/mm/generic_32.c b/arch/sparc/mm/generic_32.c index 5edcac184eaf..e6067b75f11c 100644 --- a/arch/sparc/mm/generic_32.c +++ b/arch/sparc/mm/generic_32.c @@ -50,7 +50,7 @@ static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned end = PGDIR_SIZE; offset -= address; do { - pte_t * pte = pte_alloc_map(mm, pmd, address); + pte_t *pte = pte_alloc_map(mm, NULL, pmd, address); if (!pte) return -ENOMEM; io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space); diff --git a/arch/sparc/mm/generic_64.c b/arch/sparc/mm/generic_64.c index 04f2bf4cd571..3cb00dfd4bd6 100644 --- a/arch/sparc/mm/generic_64.c +++ b/arch/sparc/mm/generic_64.c @@ -92,7 +92,7 @@ static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned end = PGDIR_SIZE; offset -= address; do { - pte_t * pte = pte_alloc_map(mm, pmd, address); + pte_t *pte = pte_alloc_map(mm, NULL, pmd, address); if (!pte) return -ENOMEM; io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space); diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index 5fdddf134caa..f4e97646ce23 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -214,7 +214,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, if (pud) { pmd = pmd_alloc(mm, pud, addr); if (pmd) - pte = pte_alloc_map(mm, pmd, addr); + pte = pte_alloc_map(mm, NULL, pmd, addr); } return pte; } diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index ddd0d86e508e..b5137cc2aba3 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -435,16 +435,14 @@ void __init sun4c_probe_memerr_reg(void) static inline void sun4c_init_ss2_cache_bug(void) { - extern unsigned long start; - if ((idprom->id_machtype == (SM_SUN4C | SM_4C_SS2)) || (idprom->id_machtype == (SM_SUN4C | SM_4C_IPX)) || (idprom->id_machtype == (SM_SUN4C | SM_4C_ELC))) { /* Whee.. */ printk("SS2 cache bug detected, uncaching trap table page\n"); - sun4c_flush_page((unsigned int) &start); - sun4c_put_pte(((unsigned long) &start), - (sun4c_get_pte((unsigned long) &start) | _SUN4C_PAGE_NOCACHE)); + sun4c_flush_page((unsigned int) &_start); + sun4c_put_pte(((unsigned long) &_start), + (sun4c_get_pte((unsigned long) &_start) | _SUN4C_PAGE_NOCACHE)); } } diff --git a/arch/sparc/prom/Makefile b/arch/sparc/prom/Makefile index 1b8c073adb44..8287bbe88768 100644 --- a/arch/sparc/prom/Makefile +++ b/arch/sparc/prom/Makefile @@ -5,13 +5,10 @@ asflags := -ansi ccflags := -Werror lib-y := bootstr_$(BITS).o -lib-$(CONFIG_SPARC32) += devmap.o -lib-y += devops_$(BITS).o lib-y += init_$(BITS).o lib-$(CONFIG_SPARC32) += memory.o lib-y += misc_$(BITS).o lib-$(CONFIG_SPARC32) += mp.o -lib-$(CONFIG_SPARC32) += palloc.o lib-$(CONFIG_SPARC32) += ranges.o lib-$(CONFIG_SPARC32) += segment.o lib-y += console_$(BITS).o diff --git a/arch/sparc/prom/bootstr_32.c b/arch/sparc/prom/bootstr_32.c index 916831da7e67..f5ec32e0d419 100644 --- a/arch/sparc/prom/bootstr_32.c +++ b/arch/sparc/prom/bootstr_32.c @@ -29,7 +29,8 @@ prom_getbootargs(void) /* Start from 1 and go over fd(0,0,0)kernel */ for(iter = 1; iter < 8; iter++) { arg = (*(romvec->pv_v0bootargs))->argv[iter]; - if(arg == 0) break; + if (arg == NULL) + break; while(*arg != 0) { /* Leave place for space and null. */ if(cp >= barg_buf + BARG_LEN-2){ diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c index 5340264b78f5..b05e3db5fa63 100644 --- a/arch/sparc/prom/console_32.c +++ b/arch/sparc/prom/console_32.c @@ -16,63 +16,27 @@ extern void restore_current(void); -/* Non blocking get character from console input device, returns -1 - * if no input was taken. This can be used for polling. - */ -int -prom_nbgetchar(void) -{ - static char inc; - int i = -1; - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - i = (*(romvec->pv_nbgetchar))(); - break; - case PROM_V2: - case PROM_V3: - if( (*(romvec->pv_v2devops).v2_dev_read)(*romvec->pv_v2bootargs.fd_stdin , &inc, 0x1) == 1) { - i = inc; - } else { - i = -1; - } - break; - default: - i = -1; - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return i; /* Ugh, we could spin forever on unsupported proms ;( */ -} - /* Non blocking put character to console device, returns -1 if * unsuccessful. */ -int -prom_nbputchar(char c) +static int prom_nbputchar(const char *buf) { - static char outc; unsigned long flags; int i = -1; spin_lock_irqsave(&prom_lock, flags); switch(prom_vers) { case PROM_V0: - i = (*(romvec->pv_nbputchar))(c); + if ((*(romvec->pv_nbputchar))(*buf)) + i = 1; break; case PROM_V2: case PROM_V3: - outc = c; - if( (*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout, &outc, 0x1) == 1) - i = 0; - else - i = -1; + if ((*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout, + buf, 0x1) == 1) + i = 1; break; default: - i = -1; break; }; restore_current(); @@ -80,18 +44,14 @@ prom_nbputchar(char c) return i; /* Ugh, we could spin forever on unsupported proms ;( */ } -/* Blocking version of get character routine above. */ -char -prom_getchar(void) +void prom_console_write_buf(const char *buf, int len) { - int character; - while((character = prom_nbgetchar()) == -1) ; - return (char) character; + while (len) { + int n = prom_nbputchar(buf); + if (n < 0) + continue; + len--; + buf++; + } } -/* Blocking version of put character routine above. */ -void -prom_putchar(char c) -{ - while(prom_nbputchar(c) == -1) ; -} diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c index 10322dc2f557..9de6c8cfe04a 100644 --- a/arch/sparc/prom/console_64.c +++ b/arch/sparc/prom/console_64.c @@ -13,87 +13,34 @@ #include <asm/system.h> #include <linux/string.h> -extern int prom_stdin, prom_stdout; - -/* Non blocking get character from console input device, returns -1 - * if no input was taken. This can be used for polling. - */ -inline int -prom_nbgetchar(void) +static int __prom_console_write_buf(const char *buf, int len) { unsigned long args[7]; - char inc; - - args[0] = (unsigned long) "read"; - args[1] = 3; - args[2] = 1; - args[3] = (unsigned int) prom_stdin; - args[4] = (unsigned long) &inc; - args[5] = 1; - args[6] = (unsigned long) -1; - - p1275_cmd_direct(args); - - if (args[6] == 1) - return inc; - return -1; -} - -/* Non blocking put character to console device, returns -1 if - * unsuccessful. - */ -inline int -prom_nbputchar(char c) -{ - unsigned long args[7]; - char outc; - - outc = c; + int ret; args[0] = (unsigned long) "write"; args[1] = 3; args[2] = 1; args[3] = (unsigned int) prom_stdout; - args[4] = (unsigned long) &outc; - args[5] = 1; + args[4] = (unsigned long) buf; + args[5] = (unsigned int) len; args[6] = (unsigned long) -1; p1275_cmd_direct(args); - if (args[6] == 1) - return 0; - else + ret = (int) args[6]; + if (ret < 0) return -1; + return ret; } -/* Blocking version of get character routine above. */ -char -prom_getchar(void) +void prom_console_write_buf(const char *buf, int len) { - int character; - while((character = prom_nbgetchar()) == -1) ; - return (char) character; -} - -/* Blocking version of put character routine above. */ -void -prom_putchar(char c) -{ - prom_nbputchar(c); -} - -void -prom_puts(const char *s, int len) -{ - unsigned long args[7]; - - args[0] = (unsigned long) "write"; - args[1] = 3; - args[2] = 1; - args[3] = (unsigned int) prom_stdout; - args[4] = (unsigned long) s; - args[5] = len; - args[6] = (unsigned long) -1; - - p1275_cmd_direct(args); + while (len) { + int n = __prom_console_write_buf(buf, len); + if (n < 0) + continue; + len -= n; + buf += len; + } } diff --git a/arch/sparc/prom/devmap.c b/arch/sparc/prom/devmap.c deleted file mode 100644 index 46157d2aba0d..000000000000 --- a/arch/sparc/prom/devmap.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * promdevmap.c: Map device/IO areas to virtual addresses. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> - -extern void restore_current(void); - -/* Just like the routines in palloc.c, these should not be used - * by the kernel at all. Bootloader facility mainly. And again, - * this is only available on V2 proms and above. - */ - -/* Map physical device address 'paddr' in IO space 'ios' of size - * 'num_bytes' to a virtual address, with 'vhint' being a hint to - * the prom as to where you would prefer the mapping. We return - * where the prom actually mapped it. - */ -char * -prom_mapio(char *vhint, int ios, unsigned int paddr, unsigned int num_bytes) -{ - unsigned long flags; - char *ret; - - spin_lock_irqsave(&prom_lock, flags); - if((num_bytes == 0) || (paddr == 0)) ret = (char *) 0x0; - else - ret = (*(romvec->pv_v2devops.v2_dumb_mmap))(vhint, ios, paddr, - num_bytes); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return ret; -} - -/* Unmap an IO/device area that was mapped using the above routine. */ -void -prom_unmapio(char *vaddr, unsigned int num_bytes) -{ - unsigned long flags; - - if(num_bytes == 0x0) return; - spin_lock_irqsave(&prom_lock, flags); - (*(romvec->pv_v2devops.v2_dumb_munmap))(vaddr, num_bytes); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); -} diff --git a/arch/sparc/prom/devops_32.c b/arch/sparc/prom/devops_32.c deleted file mode 100644 index 9c5d4687242a..000000000000 --- a/arch/sparc/prom/devops_32.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * devops.c: Device operations using the PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> - -extern void restore_current(void); - -/* Open the device described by the string 'dstr'. Returns the handle - * to that device used for subsequent operations on that device. - * Returns -1 on failure. - */ -int -prom_devopen(char *dstr) -{ - int handle; - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - handle = (*(romvec->pv_v0devops.v0_devopen))(dstr); - if(handle == 0) handle = -1; - break; - case PROM_V2: - case PROM_V3: - handle = (*(romvec->pv_v2devops.v2_dev_open))(dstr); - break; - default: - handle = -1; - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return handle; -} - -/* Close the device described by device handle 'dhandle'. */ -int -prom_devclose(int dhandle) -{ - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - (*(romvec->pv_v0devops.v0_devclose))(dhandle); - break; - case PROM_V2: - case PROM_V3: - (*(romvec->pv_v2devops.v2_dev_close))(dhandle); - break; - default: - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return 0; -} - -/* Seek to specified location described by 'seekhi' and 'seeklo' - * for device 'dhandle'. - */ -void -prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo) -{ - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - (*(romvec->pv_v0devops.v0_seekdev))(dhandle, seekhi, seeklo); - break; - case PROM_V2: - case PROM_V3: - (*(romvec->pv_v2devops.v2_dev_seek))(dhandle, seekhi, seeklo); - break; - default: - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); -} diff --git a/arch/sparc/prom/devops_64.c b/arch/sparc/prom/devops_64.c deleted file mode 100644 index a017119e7ef1..000000000000 --- a/arch/sparc/prom/devops_64.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * devops.c: Device operations using the PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> - -/* Open the device described by the string 'dstr'. Returns the handle - * to that device used for subsequent operations on that device. - * Returns 0 on failure. - */ -int -prom_devopen(const char *dstr) -{ - unsigned long args[5]; - - args[0] = (unsigned long) "open"; - args[1] = 1; - args[2] = 1; - args[3] = (unsigned long) dstr; - args[4] = (unsigned long) -1; - - p1275_cmd_direct(args); - - return (int) args[4]; -} - -/* Close the device described by device handle 'dhandle'. */ -int -prom_devclose(int dhandle) -{ - unsigned long args[4]; - - args[0] = (unsigned long) "close"; - args[1] = 1; - args[2] = 0; - args[3] = (unsigned int) dhandle; - - p1275_cmd_direct(args); - - return 0; -} - -/* Seek to specified location described by 'seekhi' and 'seeklo' - * for device 'dhandle'. - */ -void -prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo) -{ - unsigned long args[7]; - - args[0] = (unsigned long) "seek"; - args[1] = 3; - args[2] = 1; - args[3] = (unsigned int) dhandle; - args[4] = seekhi; - args[5] = seeklo; - args[6] = (unsigned long) -1; - - p1275_cmd_direct(args); -} diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c index d342dba4dd54..0a601b300639 100644 --- a/arch/sparc/prom/init_32.c +++ b/arch/sparc/prom/init_32.c @@ -60,7 +60,7 @@ void __init prom_init(struct linux_romvec *rp) prom_nodeops = romvec->pv_nodeops; prom_root_node = prom_getsibling(0); - if((prom_root_node == 0) || (prom_root_node == -1)) + if ((prom_root_node == 0) || ((s32)prom_root_node == -1)) prom_halt(); if((((unsigned long) prom_nodeops) == 0) || diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c index 3ff911e7d25b..5016c5e20575 100644 --- a/arch/sparc/prom/init_64.c +++ b/arch/sparc/prom/init_64.c @@ -18,7 +18,7 @@ char prom_version[80]; /* The root node of the prom device tree. */ -int prom_stdin, prom_stdout; +int prom_stdout; phandle prom_chosen_node; /* You must call prom_init() before you attempt to use any of the @@ -35,14 +35,13 @@ void __init prom_init(void *cif_handler, void *cif_stack) prom_cif_init(cif_handler, cif_stack); prom_chosen_node = prom_finddevice(prom_chosen_path); - if (!prom_chosen_node || prom_chosen_node == -1) + if (!prom_chosen_node || (s32)prom_chosen_node == -1) prom_halt(); - prom_stdin = prom_getint(prom_chosen_node, "stdin"); prom_stdout = prom_getint(prom_chosen_node, "stdout"); node = prom_finddevice("/openprom"); - if (!node || node == -1) + if (!node || (s32)node == -1) prom_halt(); prom_getstring(node, "version", prom_version, sizeof(prom_version)); diff --git a/arch/sparc/prom/misc_32.c b/arch/sparc/prom/misc_32.c index 4d61c540bb3d..8c278c311ba4 100644 --- a/arch/sparc/prom/misc_32.c +++ b/arch/sparc/prom/misc_32.c @@ -70,7 +70,7 @@ prom_cmdline(void) /* Drop into the prom, but completely terminate the program. * No chance of continuing. */ -void +void __noreturn prom_halt(void) { unsigned long flags; diff --git a/arch/sparc/prom/misc_64.c b/arch/sparc/prom/misc_64.c index d24bc44e361e..e4f31d4d3715 100644 --- a/arch/sparc/prom/misc_64.c +++ b/arch/sparc/prom/misc_64.c @@ -18,7 +18,7 @@ #include <asm/system.h> #include <asm/ldc.h> -int prom_service_exists(const char *service_name) +static int prom_service_exists(const char *service_name) { unsigned long args[5]; @@ -150,20 +150,6 @@ void prom_halt_power_off(void) prom_halt(); } -/* Set prom sync handler to call function 'funcp'. */ -void prom_setcallback(callback_func_t funcp) -{ - unsigned long args[5]; - if (!funcp) - return; - args[0] = (unsigned long) "set-callback"; - args[1] = 1; - args[2] = 1; - args[3] = (unsigned long) funcp; - args[4] = (unsigned long) -1; - p1275_cmd_direct(args); -} - /* Get the idprom and stuff it into buffer 'idbuf'. Returns the * format type. 'num_bytes' is the number of bytes that your idbuf * has space for. Returns 0xff on error. diff --git a/arch/sparc/prom/mp.c b/arch/sparc/prom/mp.c index 4c4dc79f65af..97c44c9ddbc8 100644 --- a/arch/sparc/prom/mp.c +++ b/arch/sparc/prom/mp.c @@ -41,81 +41,3 @@ prom_startcpu(int cpunode, struct linux_prom_registers *ctable_reg, int ctx, cha return ret; } - -/* Stop CPU with device prom-tree node 'cpunode'. - * XXX Again, what does the return value really mean? XXX - */ -int -prom_stopcpu(int cpunode) -{ - int ret; - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - case PROM_V2: - default: - ret = -1; - break; - case PROM_V3: - ret = (*(romvec->v3_cpustop))(cpunode); - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return ret; -} - -/* Make CPU with device prom-tree node 'cpunode' idle. - * XXX Return value, anyone? XXX - */ -int -prom_idlecpu(int cpunode) -{ - int ret; - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - case PROM_V2: - default: - ret = -1; - break; - case PROM_V3: - ret = (*(romvec->v3_cpuidle))(cpunode); - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return ret; -} - -/* Resume the execution of CPU with nodeid 'cpunode'. - * XXX Come on, somebody has to know... XXX - */ -int -prom_restartcpu(int cpunode) -{ - int ret; - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - case PROM_V2: - default: - ret = -1; - break; - case PROM_V3: - ret = (*(romvec->v3_cpuresume))(cpunode); - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return ret; -} diff --git a/arch/sparc/prom/palloc.c b/arch/sparc/prom/palloc.c deleted file mode 100644 index 2e2a88b211fb..000000000000 --- a/arch/sparc/prom/palloc.c +++ /dev/null @@ -1,43 +0,0 @@ -/* - * palloc.c: Memory allocation from the Sun PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <asm/openprom.h> -#include <asm/oplib.h> - -/* You should not call these routines after memory management - * has been initialized in the kernel, if fact you should not - * use these if at all possible in the kernel. They are mainly - * to be used for a bootloader for temporary allocations which - * it will free before jumping into the kernel it has loaded. - * - * Also, these routines don't work on V0 proms, only V2 and later. - */ - -/* Allocate a chunk of memory of size 'num_bytes' giving a suggestion - * of virtual_hint as the preferred virtual base address of this chunk. - * There are no guarantees that you will get the allocation, or that - * the prom will abide by your "hint". So check your return value. - */ -char * -prom_alloc(char *virtual_hint, unsigned int num_bytes) -{ - if(prom_vers == PROM_V0) return (char *) 0x0; - if(num_bytes == 0x0) return (char *) 0x0; - return (*(romvec->pv_v2devops.v2_dumb_mem_alloc))(virtual_hint, num_bytes); -} - -/* Free a previously allocated chunk back to the prom at virtual address - * 'vaddr' of size 'num_bytes'. NOTE: This vaddr is not the hint you - * used for the allocation, but the virtual address the prom actually - * returned to you. They may be have been the same, they may have not, - * doesn't matter. - */ -void -prom_free(char *vaddr, unsigned int num_bytes) -{ - if((prom_vers == PROM_V0) || (num_bytes == 0x0)) return; - (*(romvec->pv_v2devops.v2_dumb_mem_free))(vaddr, num_bytes); -} diff --git a/arch/sparc/prom/printf.c b/arch/sparc/prom/printf.c index ca869266b9f3..d9682f06b3b0 100644 --- a/arch/sparc/prom/printf.c +++ b/arch/sparc/prom/printf.c @@ -15,22 +15,45 @@ #include <linux/kernel.h> #include <linux/compiler.h> +#include <linux/spinlock.h> #include <asm/openprom.h> #include <asm/oplib.h> +#define CONSOLE_WRITE_BUF_SIZE 1024 + static char ppbuf[1024]; +static char console_write_buf[CONSOLE_WRITE_BUF_SIZE]; +static DEFINE_RAW_SPINLOCK(console_write_lock); void notrace prom_write(const char *buf, unsigned int n) { - char ch; + unsigned int dest_len; + unsigned long flags; + char *dest; + + dest = console_write_buf; + raw_spin_lock_irqsave(&console_write_lock, flags); - while (n != 0) { - --n; - if ((ch = *buf++) == '\n') - prom_putchar('\r'); - prom_putchar(ch); + dest_len = 0; + while (n-- != 0) { + char ch = *buf++; + if (ch == '\n') { + *dest++ = '\r'; + dest_len++; + } + *dest++ = ch; + dest_len++; + if (dest_len >= CONSOLE_WRITE_BUF_SIZE - 1) { + prom_console_write_buf(console_write_buf, dest_len); + dest = console_write_buf; + dest_len = 0; + } } + if (dest_len) + prom_console_write_buf(console_write_buf, dest_len); + + raw_spin_unlock_irqrestore(&console_write_lock, flags); } void notrace prom_printf(const char *fmt, ...) diff --git a/arch/sparc/prom/ranges.c b/arch/sparc/prom/ranges.c index 541fc829c207..0857aa9e839d 100644 --- a/arch/sparc/prom/ranges.c +++ b/arch/sparc/prom/ranges.c @@ -13,8 +13,8 @@ #include <asm/types.h> #include <asm/system.h> -struct linux_prom_ranges promlib_obio_ranges[PROMREG_MAX]; -int num_obio_ranges; +static struct linux_prom_ranges promlib_obio_ranges[PROMREG_MAX]; +static int num_obio_ranges; /* Adjust register values based upon the ranges parameters. */ static void @@ -35,7 +35,7 @@ prom_adjust_regs(struct linux_prom_registers *regp, int nregs, } } -void +static void prom_adjust_ranges(struct linux_prom_ranges *ranges1, int nranges1, struct linux_prom_ranges *ranges2, int nranges2) { diff --git a/arch/sparc/prom/tree_32.c b/arch/sparc/prom/tree_32.c index 63e08e149774..f30e8d038f01 100644 --- a/arch/sparc/prom/tree_32.c +++ b/arch/sparc/prom/tree_32.c @@ -20,7 +20,7 @@ extern void restore_current(void); static char promlib_buf[128]; /* Internal version of prom_getchild that does not alter return values. */ -phandle __prom_getchild(phandle node) +static phandle __prom_getchild(phandle node) { unsigned long flags; phandle cnode; @@ -40,11 +40,11 @@ phandle prom_getchild(phandle node) { phandle cnode; - if (node == -1) + if ((s32)node == -1) return 0; cnode = __prom_getchild(node); - if (cnode == 0 || cnode == -1) + if (cnode == 0 || (s32)cnode == -1) return 0; return cnode; @@ -52,7 +52,7 @@ phandle prom_getchild(phandle node) EXPORT_SYMBOL(prom_getchild); /* Internal version of prom_getsibling that does not alter return values. */ -phandle __prom_getsibling(phandle node) +static phandle __prom_getsibling(phandle node) { unsigned long flags; phandle cnode; @@ -72,11 +72,11 @@ phandle prom_getsibling(phandle node) { phandle sibnode; - if (node == -1) + if ((s32)node == -1) return 0; sibnode = __prom_getsibling(node); - if (sibnode == 0 || sibnode == -1) + if (sibnode == 0 || (s32)sibnode == -1) return 0; return sibnode; @@ -177,20 +177,6 @@ void prom_getstring(phandle node, char *prop, char *user_buf, int ubuf_size) EXPORT_SYMBOL(prom_getstring); -/* Does the device at node 'node' have name 'name'? - * YES = 1 NO = 0 - */ -int prom_nodematch(phandle node, char *name) -{ - int error; - - static char namebuf[128]; - error = prom_getproperty(node, "name", namebuf, sizeof(namebuf)); - if (error == -1) return 0; - if(strcmp(namebuf, name) == 0) return 1; - return 0; -} - /* Search siblings at 'node_start' for a node with name * 'nodename'. Return node if successful, zero if not. */ @@ -214,7 +200,7 @@ phandle prom_searchsiblings(phandle node_start, char *nodename) EXPORT_SYMBOL(prom_searchsiblings); /* Interal version of nextprop that does not alter return values. */ -char *__prom_nextprop(phandle node, char * oprop) +static char *__prom_nextprop(phandle node, char * oprop) { unsigned long flags; char *prop; @@ -227,24 +213,13 @@ char *__prom_nextprop(phandle node, char * oprop) return prop; } -/* Return the first property name for node 'node'. */ -/* buffer is unused argument, but as v9 uses it, we need to have the same interface */ -char *prom_firstprop(phandle node, char *bufer) -{ - if (node == 0 || node == -1) - return ""; - - return __prom_nextprop(node, ""); -} -EXPORT_SYMBOL(prom_firstprop); - /* Return the property type string after property type 'oprop' * at node 'node' . Returns empty string if no more * property types for this node. */ char *prom_nextprop(phandle node, char *oprop, char *buffer) { - if (node == 0 || node == -1) + if (node == 0 || (s32)node == -1) return ""; return __prom_nextprop(node, oprop); @@ -278,7 +253,7 @@ phandle prom_finddevice(char *name) if (d != s + 3 && (!*d || *d == '/') && d <= s + 3 + 8) { node2 = node; - while (node2 && node2 != -1) { + while (node2 && (s32)node2 != -1) { if (prom_getproperty (node2, "reg", (char *)reg, sizeof (reg)) > 0) { if (which_io == reg[0].which_io && phys_addr == reg[0].phys_addr) { node = node2; @@ -286,7 +261,7 @@ phandle prom_finddevice(char *name) } } node2 = prom_getsibling(node2); - if (!node2 || node2 == -1) + if (!node2 || (s32)node2 == -1) break; node2 = prom_searchsiblings(prom_getsibling(node2), nbuf); } @@ -299,19 +274,6 @@ phandle prom_finddevice(char *name) } EXPORT_SYMBOL(prom_finddevice); -int prom_node_has_property(phandle node, char *prop) -{ - char *current_property = ""; - - do { - current_property = prom_nextprop(node, current_property, NULL); - if(!strcmp(current_property, prop)) - return 1; - } while (*current_property); - return 0; -} -EXPORT_SYMBOL(prom_node_has_property); - /* Set property 'pname' at node 'node' to value 'value' which has a length * of 'size' bytes. Return the number of bytes the prom accepted. */ @@ -320,8 +282,10 @@ int prom_setprop(phandle node, const char *pname, char *value, int size) unsigned long flags; int ret; - if(size == 0) return 0; - if((pname == 0) || (value == 0)) return 0; + if (size == 0) + return 0; + if ((pname == NULL) || (value == NULL)) + return 0; spin_lock_irqsave(&prom_lock, flags); ret = prom_nodeops->no_setprop(node, pname, value, size); restore_current(); @@ -339,22 +303,7 @@ phandle prom_inst2pkg(int inst) node = (*romvec->pv_v2devops.v2_inst2pkg)(inst); restore_current(); spin_unlock_irqrestore(&prom_lock, flags); - if (node == -1) return 0; - return node; -} - -/* Return 'node' assigned to a particular prom 'path' - * FIXME: Should work for v0 as well - */ -phandle prom_pathtoinode(char *path) -{ - phandle node; - int inst; - - inst = prom_devopen (path); - if (inst == -1) return 0; - node = prom_inst2pkg (inst); - prom_devclose (inst); - if (node == -1) return 0; + if ((s32)node == -1) + return 0; return node; } diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c index 691be68932f8..92204c3800b5 100644 --- a/arch/sparc/prom/tree_64.c +++ b/arch/sparc/prom/tree_64.c @@ -43,10 +43,10 @@ inline phandle prom_getchild(phandle node) { phandle cnode; - if (node == -1) + if ((s32)node == -1) return 0; cnode = __prom_getchild(node); - if (cnode == -1) + if ((s32)cnode == -1) return 0; return cnode; } @@ -56,10 +56,10 @@ inline phandle prom_getparent(phandle node) { phandle cnode; - if (node == -1) + if ((s32)node == -1) return 0; cnode = prom_node_to_node("parent", node); - if (cnode == -1) + if ((s32)cnode == -1) return 0; return cnode; } @@ -76,10 +76,10 @@ inline phandle prom_getsibling(phandle node) { phandle sibnode; - if (node == -1) + if ((s32)node == -1) return 0; sibnode = __prom_getsibling(node); - if (sibnode == -1) + if ((s32)sibnode == -1) return 0; return sibnode; @@ -240,7 +240,7 @@ inline char *prom_firstprop(phandle node, char *buffer) unsigned long args[7]; *buffer = 0; - if (node == -1) + if ((s32)node == -1) return buffer; args[0] = (unsigned long) prom_nextprop_name; @@ -266,7 +266,7 @@ inline char *prom_nextprop(phandle node, const char *oprop, char *buffer) unsigned long args[7]; char buf[32]; - if (node == -1) { + if ((s32)node == -1) { *buffer = 0; return buffer; } @@ -369,25 +369,7 @@ inline phandle prom_inst2pkg(int inst) p1275_cmd_direct(args); node = (int) args[4]; - if (node == -1) - return 0; - return node; -} - -/* Return 'node' assigned to a particular prom 'path' - * FIXME: Should work for v0 as well - */ -phandle prom_pathtoinode(const char *path) -{ - phandle node; - int inst; - - inst = prom_devopen (path); - if (inst == 0) - return 0; - node = prom_inst2pkg(inst); - prom_devclose(inst); - if (node == -1) + if ((s32)node == -1) return 0; return node; } |