diff options
101 files changed, 1992 insertions, 1155 deletions
diff --git a/Documentation/zorro.txt b/Documentation/zorro.txt index d5829d14774..90a64d52bea 100644 --- a/Documentation/zorro.txt +++ b/Documentation/zorro.txt @@ -95,8 +95,9 @@ The treatment of these regions depends on the type of Zorro space: ------------- linux/include/linux/zorro.h -linux/include/asm-{m68k,ppc}/zorro.h -linux/include/linux/zorro_ids.h +linux/include/uapi/linux/zorro.h +linux/include/uapi/linux/zorro_ids.h +linux/arch/m68k/include/asm/zorro.h linux/drivers/zorro /proc/bus/zorro diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 75f25a8e300..dbdd2231c75 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -87,6 +87,30 @@ config MMU_SUN3 bool depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE +config KEXEC + bool "kexec system call" + depends on M68KCLASSIC + help + kexec is a system call that implements the ability to shutdown your + current kernel, and to start another kernel. It is like a reboot + but it is independent of the system firmware. And like a reboot + you can start any kernel with it, not just Linux. + + The name comes from the similarity to the exec system call. + + It is an ongoing process to be certain the hardware in a machine + is properly shutdown, so do not be surprised if this code does not + initially work for you. As of this writing the exact hardware + interface is strongly in flux, so no good recommendation can be + made. + +config BOOTINFO_PROC + bool "Export bootinfo in procfs" + depends on KEXEC && M68KCLASSIC + help + Say Y to export the bootinfo used to boot the kernel in a + "bootinfo" file in procfs. This is useful with kexec. + menu "Platform setup" source arch/m68k/Kconfig.cpu diff --git a/arch/m68k/amiga/chipram.c b/arch/m68k/amiga/chipram.c index 99449fbf9a7..ba03cec3f71 100644 --- a/arch/m68k/amiga/chipram.c +++ b/arch/m68k/amiga/chipram.c @@ -87,7 +87,7 @@ void *amiga_chip_alloc_res(unsigned long size, struct resource *res) atomic_sub(size, &chipavail); pr_debug("amiga_chip_alloc_res: returning %pR\n", res); - return (void *)ZTWO_VADDR(res->start); + return ZTWO_VADDR(res->start); } void amiga_chip_free(void *ptr) diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c index b819390e29c..9625b713222 100644 --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -28,6 +28,8 @@ #include <linux/keyboard.h> #include <asm/bootinfo.h> +#include <asm/bootinfo-amiga.h> +#include <asm/byteorder.h> #include <asm/setup.h> #include <asm/pgtable.h> #include <asm/amigahw.h> @@ -140,46 +142,46 @@ static struct resource ram_resource[NUM_MEMINFO]; * Parse an Amiga-specific record in the bootinfo */ -int amiga_parse_bootinfo(const struct bi_record *record) +int __init amiga_parse_bootinfo(const struct bi_record *record) { int unknown = 0; - const unsigned long *data = record->data; + const void *data = record->data; - switch (record->tag) { + switch (be16_to_cpu(record->tag)) { case BI_AMIGA_MODEL: - amiga_model = *data; + amiga_model = be32_to_cpup(data); break; case BI_AMIGA_ECLOCK: - amiga_eclock = *data; + amiga_eclock = be32_to_cpup(data); break; case BI_AMIGA_CHIPSET: - amiga_chipset = *data; + amiga_chipset = be32_to_cpup(data); break; case BI_AMIGA_CHIP_SIZE: - amiga_chip_size = *(const int *)data; + amiga_chip_size = be32_to_cpup(data); break; case BI_AMIGA_VBLANK: - amiga_vblank = *(const unsigned char *)data; + amiga_vblank = *(const __u8 *)data; break; case BI_AMIGA_PSFREQ: - amiga_psfreq = *(const unsigned char *)data; + amiga_psfreq = *(const __u8 *)data; break; case BI_AMIGA_AUTOCON: #ifdef CONFIG_ZORRO if (zorro_num_autocon < ZORRO_NUM_AUTO) { - const struct ConfigDev *cd = (struct ConfigDev *)data; - struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++]; + const struct ConfigDev *cd = data; + struct zorro_dev_init *dev = &zorro_autocon_init[zorro_num_autocon++]; dev->rom = cd->cd_Rom; - dev->slotaddr = cd->cd_SlotAddr; - dev->slotsize = cd->cd_SlotSize; - dev->resource.start = (unsigned long)cd->cd_BoardAddr; - dev->resource.end = dev->resource.start + cd->cd_BoardSize - 1; + dev->slotaddr = be16_to_cpu(cd->cd_SlotAddr); + dev->slotsize = be16_to_cpu(cd->cd_SlotSize); + dev->boardaddr = be32_to_cpu(cd->cd_BoardAddr); + dev->boardsize = be32_to_cpu(cd->cd_BoardSize); } else printk("amiga_parse_bootinfo: too many AutoConfig devices\n"); #endif /* CONFIG_ZORRO */ @@ -358,6 +360,14 @@ static void __init amiga_identify(void) #undef AMIGAHW_ANNOUNCE } + +static unsigned long amiga_random_get_entropy(void) +{ + /* VPOSR/VHPOSR provide at least 17 bits of data changing at 1.79 MHz */ + return *(unsigned long *)&amiga_custom.vposr; +} + + /* * Setup the Amiga configuration info */ @@ -395,6 +405,8 @@ void __init config_amiga(void) mach_heartbeat = amiga_heartbeat; #endif + mach_random_get_entropy = amiga_random_get_entropy; + /* Fill in the clock value (based on the 700 kHz E-Clock) */ amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */ @@ -608,6 +620,8 @@ static void amiga_mem_console_write(struct console *co, const char *s, static int __init amiga_savekmsg_setup(char *arg) { + bool registered; + if (!MACH_IS_AMIGA || strcmp(arg, "mem")) return 0; @@ -618,14 +632,16 @@ static int __init amiga_savekmsg_setup(char *arg) /* Just steal the block, the chipram allocator isn't functional yet */ amiga_chip_size -= SAVEKMSG_MAXMEM; - savekmsg = (void *)ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size); + savekmsg = ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size); savekmsg->magic1 = SAVEKMSG_MAGIC1; savekmsg->magic2 = SAVEKMSG_MAGIC2; savekmsg->magicptr = ZTWO_PADDR(savekmsg); savekmsg->size = 0; + registered = !!amiga_console_driver.write; amiga_console_driver.write = amiga_mem_console_write; - register_console(&amiga_console_driver); + if (!registered) + register_console(&amiga_console_driver); return 0; } @@ -707,11 +723,16 @@ void amiga_serial_gets(struct console *co, char *s, int len) static int __init amiga_debug_setup(char *arg) { - if (MACH_IS_AMIGA && !strcmp(arg, "ser")) { - /* no initialization required (?) */ - amiga_console_driver.write = amiga_serial_console_write; + bool registered; + + if (!MACH_IS_AMIGA || strcmp(arg, "ser")) + return 0; + + /* no initialization required (?) */ + registered = !!amiga_console_driver.write; + amiga_console_driver.write = amiga_serial_console_write; + if (!registered) register_console(&amiga_console_driver); - } return 0; } diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c index dacd9f911f7..d34029d7b05 100644 --- a/arch/m68k/amiga/platform.c +++ b/arch/m68k/amiga/platform.c @@ -13,6 +13,7 @@ #include <asm/amigahw.h> #include <asm/amigayle.h> +#include <asm/byteorder.h> #ifdef CONFIG_ZORRO @@ -66,10 +67,12 @@ static int __init z_dev_present(zorro_id id) { unsigned int i; - for (i = 0; i < zorro_num_autocon; i++) - if (zorro_autocon[i].rom.er_Manufacturer == ZORRO_MANUF(id) && - zorro_autocon[i].rom.er_Product == ZORRO_PROD(id)) + for (i = 0; i < zorro_num_autocon; i++) { + const struct ExpansionRom *rom = &zorro_autocon_init[i].rom; + if (be16_to_cpu(rom->er_Manufacturer) == ZORRO_MANUF(id) && + rom->er_Product == ZORRO_PROD(id)) return 1; + } return 0; } diff --git a/arch/m68k/apollo/config.c b/arch/m68k/apollo/config.c index 3ea56b90e71..9268c0f9637 100644 --- a/arch/m68k/apollo/config.c +++ b/arch/m68k/apollo/config.c @@ -1,3 +1,4 @@ +#include <linux/init.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/mm.h> @@ -9,6 +10,8 @@ #inc |