diff options
Diffstat (limited to 'arch/m68k')
59 files changed, 1773 insertions, 841 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index bc9271b85759..525174d41679 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -18,11 +18,9 @@ config RWSEM_XCHGADD_ALGORITHM config ARCH_HAS_ILOG2_U32 bool - default n config ARCH_HAS_ILOG2_U64 bool - default n config GENERIC_HWEIGHT bool @@ -242,6 +240,37 @@ config SUN3 If you don't want to compile a kernel exclusively for a Sun 3, say N. +config NATFEAT + bool "ARAnyM emulator support" + depends on ATARI + help + This option enables support for ARAnyM native features, such as + access to a disk image as /dev/hda. + +config NFBLOCK + tristate "NatFeat block device support" + depends on BLOCK && NATFEAT + help + Say Y to include support for the ARAnyM NatFeat block device + which allows direct access to the hard drives without using + the hardware emulation. + +config NFCON + tristate "NatFeat console driver" + depends on NATFEAT + help + Say Y to include support for the ARAnyM NatFeat console driver + which allows the console output to be redirected to the stderr + output of ARAnyM. + +config NFETH + tristate "NatFeat Ethernet support" + depends on NET_ETHERNET && NATFEAT + help + Say Y to include support for the ARAnyM NatFeat network device + which will emulate a regular ethernet device while presenting an + ethertap device to the host system. + comment "Processor type" config M68020 @@ -554,14 +583,6 @@ config MVME147_SCC This is the driver for the serial ports on the Motorola MVME147 boards. Everyone using one of these boards should say Y here. -config SERIAL167 - bool "CD2401 support for MVME166/7 serial ports" - depends on MVME16x - help - This is the driver for the serial ports on the Motorola MVME166, - 167, and 172 boards. Everyone using one of these boards should say - Y here. - config MVME162_SCC bool "SCC support for MVME162 serial ports" depends on MVME16x && BROKEN diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile index b06a7e3cbcd6..b793163abc61 100644 --- a/arch/m68k/Makefile +++ b/arch/m68k/Makefile @@ -76,6 +76,7 @@ core-$(CONFIG_MVME16x) += arch/m68k/mvme16x/ core-$(CONFIG_BVME6000) += arch/m68k/bvme6000/ core-$(CONFIG_SUN3X) += arch/m68k/sun3x/ arch/m68k/sun3/ core-$(CONFIG_SUN3) += arch/m68k/sun3/ arch/m68k/sun3/prom/ +core-$(CONFIG_NATFEAT) += arch/m68k/emu/ core-$(CONFIG_M68040) += arch/m68k/fpsp040/ core-$(CONFIG_M68060) += arch/m68k/ifpsp060/ core-$(CONFIG_M68KFPU_EMU) += arch/m68k/math-emu/ diff --git a/arch/m68k/amiga/chipram.c b/arch/m68k/amiga/chipram.c index 61df1d33c050..dd0447db1c90 100644 --- a/arch/m68k/amiga/chipram.c +++ b/arch/m68k/amiga/chipram.c @@ -33,10 +33,6 @@ void __init amiga_chip_init(void) if (!AMIGAHW_PRESENT(CHIP_RAM)) return; - /* - * Remove the first 4 pages where PPC exception handlers will be located - */ - amiga_chip_size -= 0x4000; chipram_res.end = amiga_chip_size-1; request_resource(&iomem_resource, &chipram_res); diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c index b1577f741fa8..82a4bb51d5d8 100644 --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -610,17 +610,17 @@ static void amiga_mem_console_write(struct console *co, const char *s, static int __init amiga_savekmsg_setup(char *arg) { - static struct resource debug_res = { .name = "Debug" }; - if (!MACH_IS_AMIGA || strcmp(arg, "mem")) - goto done; + return 0; - if (!AMIGAHW_PRESENT(CHIP_RAM)) { - printk("Warning: no chipram present for debugging\n"); - goto done; + if (amiga_chip_size < SAVEKMSG_MAXMEM) { + pr_err("Not enough chipram for debugging\n"); + return -ENOMEM; } - savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res); + /* 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->magic1 = SAVEKMSG_MAGIC1; savekmsg->magic2 = SAVEKMSG_MAGIC2; savekmsg->magicptr = ZTWO_PADDR(savekmsg); @@ -628,8 +628,6 @@ static int __init amiga_savekmsg_setup(char *arg) amiga_console_driver.write = amiga_mem_console_write; register_console(&amiga_console_driver); - -done: return 0; } diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c index 39478dd08e67..26a804e67bce 100644 --- a/arch/m68k/atari/ataints.c +++ b/arch/m68k/atari/ataints.c @@ -388,9 +388,9 @@ void __init atari_init_IRQ(void) } if (ATARIHW_PRESENT(SCC) && !atari_SCC_reset_done) { - scc.cha_a_ctrl = 9; + atari_scc.cha_a_ctrl = 9; MFPDELAY(); - scc.cha_a_ctrl = (char) 0xc0; /* hardware reset */ + atari_scc.cha_a_ctrl = (char) 0xc0; /* hardware reset */ } if (ATARIHW_PRESENT(SCU)) { diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c index ae2d96e5d618..4203d101363c 100644 --- a/arch/m68k/atari/config.c +++ b/arch/m68k/atari/config.c @@ -315,7 +315,7 @@ void __init config_atari(void) ATARIHW_SET(SCC_DMA); printk("SCC_DMA "); } - if (scc_test(&scc.cha_a_ctrl)) { + if (scc_test(&atari_scc.cha_a_ctrl)) { ATARIHW_SET(SCC); printk("SCC "); } diff --git a/arch/m68k/atari/debug.c b/arch/m68k/atari/debug.c index 28efdc33c1ae..5a484247e493 100644 --- a/arch/m68k/atari/debug.c +++ b/arch/m68k/atari/debug.c @@ -53,9 +53,9 @@ static inline void ata_scc_out(char c) { do { MFPDELAY(); - } while (!(scc.cha_b_ctrl & 0x04)); /* wait for tx buf empty */ + } while (!(atari_scc.cha_b_ctrl & 0x04)); /* wait for tx buf empty */ MFPDELAY(); - scc.cha_b_data = c; + atari_scc.cha_b_data = c; } static void atari_scc_console_write(struct console *co, const char *str, @@ -140,9 +140,9 @@ int atari_scc_console_wait_key(struct console *co) { do { MFPDELAY(); - } while (!(scc.cha_b_ctrl & 0x01)); /* wait for rx buf filled */ + } while (!(atari_scc.cha_b_ctrl & 0x01)); /* wait for rx buf filled */ MFPDELAY(); - return scc.cha_b_data; + return atari_scc.cha_b_data; } int atari_midi_console_wait_key(struct console *co) @@ -185,9 +185,9 @@ static void __init atari_init_mfp_port(int cflag) #define SCC_WRITE(reg, val) \ do { \ - scc.cha_b_ctrl = (reg); \ + atari_scc.cha_b_ctrl = (reg); \ MFPDELAY(); \ - scc.cha_b_ctrl = (val); \ + atari_scc.cha_b_ctrl = (val); \ MFPDELAY(); \ } while (0) @@ -240,7 +240,7 @@ static void __init atari_init_scc_port(int cflag) reg3 = (cflag & CSIZE) == CS8 ? 0xc0 : 0x40; reg5 = (cflag & CSIZE) == CS8 ? 0x60 : 0x20 | 0x82 /* assert DTR/RTS */; - (void)scc.cha_b_ctrl; /* reset reg pointer */ + (void)atari_scc.cha_b_ctrl; /* reset reg pointer */ SCC_WRITE(9, 0xc0); /* reset */ LONG_DELAY(); /* extra delay after WR9 access */ SCC_WRITE(4, (cflag & PARENB) ? ((cflag & PARODD) ? 0x01 : 0x03) diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c index 9fe6fefb5e14..1edd95095cb4 100644 --- a/arch/m68k/bvme6000/config.c +++ b/arch/m68k/bvme6000/config.c @@ -45,8 +45,8 @@ extern int bvme6000_set_clock_mmss (unsigned long); extern void bvme6000_reset (void); void bvme6000_set_vectors (void); -/* Save tick handler routine pointer, will point to do_timer() in - * kernel/sched.c, called via bvme6000_process_int() */ +/* Save tick handler routine pointer, will point to xtime_update() in + * kernel/timer/timekeeping.c, called via bvme6000_process_int() */ static irq_handler_t tick_handler; diff --git a/arch/m68k/emu/Makefile b/arch/m68k/emu/Makefile new file mode 100644 index 000000000000..7dc201080308 --- /dev/null +++ b/arch/m68k/emu/Makefile @@ -0,0 +1,9 @@ +# +# Makefile for Linux arch/m68k/emu source directory +# + +obj-y += natfeat.o + +obj-$(CONFIG_NFBLOCK) += nfblock.o +obj-$(CONFIG_NFCON) += nfcon.o +obj-$(CONFIG_NFETH) += nfeth.o diff --git a/arch/m68k/emu/natfeat.c b/arch/m68k/emu/natfeat.c new file mode 100644 index 000000000000..2291a7d69d49 --- /dev/null +++ b/arch/m68k/emu/natfeat.c @@ -0,0 +1,78 @@ +/* + * natfeat.c - ARAnyM hardware support via Native Features (natfeats) + * + * Copyright (c) 2005 Petr Stehlik of ARAnyM dev team + * + * Reworked for Linux by Roman Zippel <zippel@linux-m68k.org> + * + * This software may be used and distributed according to the terms of + * the GNU General Public License (GPL), incorporated herein by reference. + */ + +#include <linux/types.h> +#include <linux/console.h> +#include <linux/string.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/io.h> +#include <asm/machdep.h> +#include <asm/natfeat.h> + +asm("\n" +" .global nf_get_id,nf_call\n" +"nf_get_id:\n" +" .short 0x7300\n" +" rts\n" +"nf_call:\n" +" .short 0x7301\n" +" rts\n" +"1: moveq.l #0,%d0\n" +" rts\n" +" .section __ex_table,\"a\"\n" +" .long nf_get_id,1b\n" +" .long nf_call,1b\n" +" .previous"); +EXPORT_SYMBOL_GPL(nf_get_id); +EXPORT_SYMBOL_GPL(nf_call); + +void nfprint(const char *fmt, ...) +{ + static char buf[256]; + va_list ap; + int n; + + va_start(ap, fmt); + n = vsnprintf(buf, 256, fmt, ap); + nf_call(nf_get_id("NF_STDERR"), buf); + va_end(ap); +} + +static void nf_poweroff(void) +{ + long id = nf_get_id("NF_SHUTDOWN"); + + if (id) + nf_call(id); +} + +void nf_init(void) +{ + unsigned long id, version; + char buf[256]; + + id = nf_get_id("NF_VERSION"); + if (!id) + return; + version = nf_call(id); + + id = nf_get_id("NF_NAME"); + if (!id) + return; + nf_call(id, buf, 256); + buf[255] = 0; + + pr_info("NatFeats found (%s, %lu.%lu)\n", buf, version >> 16, + version & 0xffff); + + mach_power_off = nf_poweroff; +} diff --git a/arch/m68k/emu/nfblock.c b/arch/m68k/emu/nfblock.c new file mode 100644 index 000000000000..48e50f8c1c7e --- /dev/null +++ b/arch/m68k/emu/nfblock.c @@ -0,0 +1,195 @@ +/* + * ARAnyM block device driver + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/genhd.h> +#include <linux/blkdev.h> +#include <linux/hdreg.h> +#include <linux/slab.h> + +#include <asm/natfeat.h> + +static long nfhd_id; + +enum { + /* emulation entry points */ + NFHD_READ_WRITE = 10, + NFHD_GET_CAPACITY = 14, + + /* skip ACSI devices */ + NFHD_DEV_OFFSET = 8, +}; + +static inline s32 nfhd_read_write(u32 major, u32 minor, u32 rwflag, u32 recno, + u32 count, u32 buf) +{ + return nf_call(nfhd_id + NFHD_READ_WRITE, major, minor, rwflag, recno, + count, buf); +} + +static inline s32 nfhd_get_capacity(u32 major, u32 minor, u32 *blocks, + u32 *blocksize) +{ + return nf_call(nfhd_id + NFHD_GET_CAPACITY, major, minor, blocks, + blocksize); +} + +static LIST_HEAD(nfhd_list); + +static int major_num; +module_param(major_num, int, 0); + +struct nfhd_device { + struct list_head list; + int id; + u32 blocks, bsize; + int bshift; + struct request_queue *queue; + struct gendisk *disk; +}; + +static int nfhd_make_request(struct request_queue *queue, struct bio *bio) +{ + struct nfhd_device *dev = queue->queuedata; + struct bio_vec *bvec; + int i, dir, len, shift; + sector_t sec = bio->bi_sector; + + dir = bio_data_dir(bio); + shift = dev->bshift; + bio_for_each_segment(bvec, bio, i) { + len = bvec->bv_len; + len >>= 9; + nfhd_read_write(dev->id, 0, dir, sec >> shift, len >> shift, + bvec_to_phys(bvec)); + sec += len; + } + bio_endio(bio, 0); + return 0; +} + +static int nfhd_getgeo(struct block_device *bdev, struct hd_geometry *geo) +{ + struct nfhd_device *dev = bdev->bd_disk->private_data; + + geo->cylinders = dev->blocks >> (6 - dev->bshift); + geo->heads = 4; + geo->sectors = 16; + + return 0; +} + +static const struct block_device_operations nfhd_ops = { + .owner = THIS_MODULE, + .getgeo = nfhd_getgeo, +}; + +static int __init nfhd_init_one(int id, u32 blocks, u32 bsize) +{ + struct nfhd_device *dev; + int dev_id = id - NFHD_DEV_OFFSET; + + pr_info("nfhd%u: found device with %u blocks (%u bytes)\n", dev_id, + blocks, bsize); + + if (bsize < 512 || (bsize & (bsize - 1))) { + pr_warn("nfhd%u: invalid block size\n", dev_id); + return -EINVAL; + } + + dev = kmalloc(sizeof(struct nfhd_device), GFP_KERNEL); + if (!dev) + goto out; + + dev->id = id; + dev->blocks = blocks; + dev->bsize = bsize; + dev->bshift = ffs(bsize) - 10; + + dev->queue = blk_alloc_queue(GFP_KERNEL); + if (dev->queue == NULL) + goto free_dev; + + dev->queue->queuedata = dev; + blk_queue_make_request(dev->queue, nfhd_make_request); + blk_queue_logical_block_size(dev->queue, bsize); + + dev->disk = alloc_disk(16); + if (!dev->disk) + goto free_queue; + + dev->disk->major = major_num; + dev->disk->first_minor = dev_id * 16; + dev->disk->fops = &nfhd_ops; + dev->disk->private_data = dev; + sprintf(dev->disk->disk_name, "nfhd%u", dev_id); + set_capacity(dev->disk, (sector_t)blocks * (bsize / 512)); + dev->disk->queue = dev->queue; + + add_disk(dev->disk); + + list_add_tail(&dev->list, &nfhd_list); + + return 0; + +free_queue: + blk_cleanup_queue(dev->queue); +free_dev: + kfree(dev); +out: + return -ENOMEM; +} + +static int __init nfhd_init(void) +{ + u32 blocks, bsize; + int i; + + nfhd_id = nf_get_id("XHDI"); + if (!nfhd_id) + return -ENODEV; + + major_num = register_blkdev(major_num, "nfhd"); + if (major_num <= 0) { + pr_warn("nfhd: unable to get major number\n"); + return major_num; + } + + for (i = NFHD_DEV_OFFSET; i < 24; i++) { + if (nfhd_get_capacity(i, 0, &blocks, &bsize)) + continue; + nfhd_init_one(i, blocks, bsize); + } + + return 0; +} + +static void __exit nfhd_exit(void) +{ + struct nfhd_device *dev, *next; + + list_for_each_entry_safe(dev, next, &nfhd_list, list) { + list_del(&dev->list); + del_gendisk(dev->disk); + put_disk(dev->disk); + blk_cleanup_queue(dev->queue); + kfree(dev); + } + unregister_blkdev(major_num, "nfhd"); +} + +module_init(nfhd_init); +module_exit(nfhd_exit); + +MODULE_LICENSE("GPL"); diff --git a/arch/m68k/emu/nfcon.c b/arch/m68k/emu/nfcon.c new file mode 100644 index 000000000000..ab20dc0ff63b --- /dev/null +++ b/arch/m68k/emu/nfcon.c @@ -0,0 +1,162 @@ +/* + * ARAnyM console driver + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/console.h> +#include <linux/tty.h> +#include <linux/tty_driver.h> +#include <linux/tty_flip.h> +#include <linux/slab.h> +#include <linux/err.h> +#include <linux/uaccess.h> + +#include <asm/natfeat.h> + +static int stderr_id; +static struct tty_driver *nfcon_tty_driver; + +static void nfputs(const char *str, unsigned int count) +{ + char buf[68]; + + buf[64] = 0; + while (count > 64) { + memcpy(buf, str, 64); + nf_call(stderr_id, buf); + str += 64; + count -= 64; + } + memcpy(buf, str, count); + buf[count] = 0; + nf_call(stderr_id, buf); +} + +static void nfcon_write(struct console *con, const char *str, + unsigned int count) +{ + nfputs(str, count); +} + +static struct tty_driver *nfcon_device(struct console *con, int *index) +{ + *index = 0; + return (con->flags & CON_ENABLED) ? nfcon_tty_driver : NULL; +} + +static struct console nf_console = { + .name = "nfcon", + .write = nfcon_write, + .device = nfcon_device, + .flags = CON_PRINTBUFFER, + .index = -1, +}; + + +static int nfcon_tty_open(struct tty_struct *tty, struct file *filp) +{ + return 0; +} + +static void nfcon_tty_close(struct tty_struct *tty, struct file *filp) +{ +} + +static int nfcon_tty_write(struct tty_struct *tty, const unsigned char *buf, + int count) +{ + nfputs(buf, count); + return count; +} + +static int nfcon_tty_put_char(struct tty_struct *tty, unsigned char ch) +{ + char temp[2] = { ch, 0 }; + + nf_call(stderr_id, temp); + return 1; +} + +static int nfcon_tty_write_room(struct tty_struct *tty) +{ + return 64; +} + +static const struct tty_operations nfcon_tty_ops = { + .open = nfcon_tty_open, + .close = nfcon_tty_close, + .write = nfcon_tty_write, + .put_char = nfcon_tty_put_char, + .write_room = nfcon_tty_write_room, +}; + +#ifndef MODULE + +static int __init nf_debug_setup(char *arg) +{ + if (strcmp(arg, "nfcon")) + return 0; + + stderr_id = nf_get_id("NF_STDERR"); + if (stderr_id) { + nf_console.flags |= CON_ENABLED; + register_console(&nf_console); + } + + return 0; +} + +early_param("debug", nf_debug_setup); + +#endif /* !MODULE */ + +static int __init nfcon_init(void) +{ + int res; + + stderr_id = nf_get_id("NF_STDERR"); + if (!stderr_id) + return -ENODEV; + + nfcon_tty_driver = alloc_tty_driver(1); + if (!nfcon_tty_driver) + return -ENOMEM; + + nfcon_tty_driver->owner = THIS_MODULE; + nfcon_tty_driver->driver_name = "nfcon"; + nfcon_tty_driver->name = "nfcon"; + nfcon_tty_driver->type = TTY_DRIVER_TYPE_SYSTEM; + nfcon_tty_driver->subtype = SYSTEM_TYPE_TTY; + nfcon_tty_driver->init_termios = tty_std_termios; + nfcon_tty_driver->flags = TTY_DRIVER_REAL_RAW; + + tty_set_operations(nfcon_tty_driver, &nfcon_tty_ops); + res = tty_register_driver(nfcon_tty_driver); + if (res) { + pr_err("failed to register nfcon tty driver\n"); + put_tty_driver(nfcon_tty_driver); + return res; + } + + if (!(nf_console.flags & CON_ENABLED)) + register_console(&nf_console); + + return 0; +} + +static void __exit nfcon_exit(void) +{ + unregister_console(&nf_console); + tty_unregister_driver(nfcon_tty_driver); + put_tty_driver(nfcon_tty_driver); +} + +module_init(nfcon_init); +module_exit(nfcon_exit); + +MODULE_LICENSE("GPL"); diff --git a/arch/m68k/emu/nfeth.c b/arch/m68k/emu/nfeth.c new file mode 100644 index 000000000000..8b6e201b2c20 --- /dev/null +++ b/arch/m68k/emu/nfeth.c @@ -0,0 +1,270 @@ +/* + * atari_nfeth.c - ARAnyM ethernet card driver for GNU/Linux + * + * Copyright (c) 2005 Milan Jurik, Petr Stehlik of ARAnyM dev team + * + * Based on ARAnyM driver for FreeMiNT written by Standa Opichal + * + * This software may be used and distributed according to the terms of + * the GNU General Public License (GPL), incorporated herein by reference. + */ + +#define DRV_VERSION "0.3" +#define DRV_RELDATE "10/12/2005" + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/module.h> +#include <asm/natfeat.h> +#include <asm/virtconvert.h> + +enum { + GET_VERSION = 0,/* no parameters, return NFAPI_VERSION in d0 */ + XIF_INTLEVEL, /* no parameters, return Interrupt Level in d0 */ + XIF_IRQ, /* acknowledge interrupt from host */ + XIF_START, /* (ethX), called on 'ifup', start receiver thread */ + XIF_STOP, /* (ethX), called on 'ifdown', stop the thread */ + XIF_READLENGTH, /* (ethX), return size of network data block to read */ + XIF_READBLOCK, /* (ethX, buffer, size), read block of network data */ + XIF_WRITEBLOCK, /* (ethX, buffer, size), write block of network data */ + XIF_GET_MAC, /* (ethX, buffer, size), return MAC HW addr in buffer */ + XIF_GET_IPHOST, /* (ethX, buffer, size), return IP address of host */ + XIF_GET_IPATARI,/* (ethX, buffer, size), return IP address of atari */ + XIF_GET_NETMASK /* (ethX, buffer, size), return IP netmask */ +}; + +#define MAX_UNIT 8 + +/* These identify the driver base version and may not be removed. */ +static const char version[] __devinitdata = + KERN_INFO KBUILD_MODNAME ".c:v" DRV_VERSION " " DRV_RELDATE + " S.Opichal, M.Jurik, P.Stehlik\n" + KERN_INFO " http://aranym.org/\n"; + +MODULE_AUTHOR("Milan Jurik"); +MODULE_DESCRIPTION("Atari NFeth driver"); +MODULE_LICENSE("GPL"); +/* +MODULE_PARM(nfeth_debug, "i"); +MODULE_PARM_DESC(nfeth_debug, "nfeth_debug level (1-2)"); +*/ + + +static long nfEtherID; +static int nfEtherIRQ; + +struct nfeth_private { + int ethX; +}; + +static struct net_device *nfeth_dev[MAX_UNIT]; + +static int nfeth_open(struct net_device *dev) +{ + struct nfeth_private *priv = netdev_priv(dev); + int res; + + res = nf_call(nfEtherID + XIF_START, priv->ethX); + netdev_dbg(dev, "%s: %d\n", __func__, res); + + /* Ready for data */ + netif_start_queue(dev); + + return 0; +} + +static int nfeth_stop(struct net_device *dev) +{ + struct nfeth_private *priv = netdev_priv(dev); + + /* No more data */ + netif_stop_queue(dev); + + nf_call(nfEtherID + XIF_STOP, priv->ethX); + + return 0; +} + +/* + * Read a packet out of the adapter and pass it to the upper layers + */ +static inline void recv_packet(struct net_device *dev) +{ + struct nfeth_private *priv = netdev_priv(dev); + unsigned short pktlen; + struct sk_buff *skb; + + /* read packet length (excluding 32 bit crc) */ + pktlen = nf_call(nfEtherID + XIF_READLENGTH, priv->ethX); + + netdev_dbg(dev, "%s: %u\n", __func__, pktlen); + + if (!pktlen) { + netdev_dbg(dev, "%s: pktlen == 0\n", __func__); + dev->stats.rx_errors++; + return; + } + + skb = dev_alloc_skb(pktlen + 2); + if (!skb) { + netdev_dbg(dev, "%s: out of mem (buf_alloc failed)\n", + __func__); + dev->stats.rx_dropped++; + return; + } + + skb->dev = dev; + skb_reserve(skb, 2); /* 16 Byte align */ + skb_put(skb, pktlen); /* make room */ + nf_call(nfEtherID + XIF_READBLOCK, priv->ethX, virt_to_phys(skb->data), + pktlen); + + skb->protocol = eth_type_trans(skb, dev); + netif_rx(skb); + dev->last_rx = jiffies; + dev->stats.rx_packets++; + dev->stats.rx_bytes += pktlen; + + /* and enqueue packet */ + return; +} + +static irqreturn_t nfeth_interrupt(int irq, void *dev_id) +{ + int i, m, mask; + + mask = nf_call(nfEtherID + XIF_IRQ, 0); + for (i = 0, m = 1; i < MAX_UNIT; m <<= 1, i++) { + if (mask & m && nfeth_dev[i]) { + recv_packet(nfeth_dev[i]); + nf_call(nfEtherID + XIF_IRQ, m); + } + } + return IRQ_HANDLED; +} + +static int nfeth_xmit(struct sk_buff *skb, struct net_device *dev) +{ + unsigned int len; + char *data, shortpkt[ETH_ZLEN]; + struct nfeth_private *priv = netdev_priv(dev); + + data = skb->data; + len = skb->len; + if (len < ETH_ZLEN) { + memset(shortpkt, 0, ETH_ZLEN); + memcpy(shortpkt, data, len); + data = shortpkt; + len = ETH_ZLEN; + } + + netdev_dbg(dev, "%s: send %u bytes\n", __func__, len); + nf_call(nfEtherID + XIF_WRITEBLOCK, priv->ethX, virt_to_phys(data), + len); + + dev->stats.tx_packets++; + dev->stats.tx_bytes += len; + + dev_kfree_skb(skb); + return 0; +} + +static void nfeth_tx_timeout(struct net_device *dev) +{ + dev->stats.tx_errors++; + netif_wake_queue(dev); +} + +static const struct net_device_ops nfeth_netdev_ops = { + .ndo_open = nfeth_open, + .ndo_stop = nfeth_stop, + .ndo_start_xmit = nfeth_xmit, + .ndo_tx_timeout = nfeth_tx_timeout, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = eth_change_mtu, + .ndo_set_mac_address = eth_mac_addr, +}; + +static struct net_device * __init nfeth_probe(int unit) +{ + struct net_device *dev; + struct nfeth_private *priv; + char mac[ETH_ALEN], host_ip[32], local_ip[32]; + int err; + + if (!nf_call(nfEtherID + XIF_GET_MAC, unit, mac, ETH_ALEN)) + return NULL; + + dev = alloc_etherdev(sizeof(struct nfeth_private)); + if (!dev) + return NULL; + + dev->irq = nfEtherIRQ; + dev->netdev_ops = &nfeth_netdev_ops; + + dev->flags |= NETIF_F_NO_CSUM; + memcpy(dev->dev_addr, mac, ETH_ALEN); + + priv = netdev_priv(dev); + priv->ethX = unit; + + err = register_netdev(dev); + if (err) { + free_netdev(dev); + return NULL; + } + + nf_call(nfEtherID + XIF_GET_IPHOST, unit, + host_ip, sizeof(host_ip)); + nf_call(nfEtherID + XIF_GET_IPATARI, unit, + local_ip, sizeof(local_ip)); + + netdev_info(dev, KBUILD_MODNAME " addr:%s (%s) HWaddr:%pM\n", host_ip, + local_ip, mac); + + return dev; +} + +static int __init nfeth_init(void) +{ + long ver; + int error, i; + + nfEtherID = nf_get_id("ETHERNET"); + if (!nfEtherID) + return -ENODEV; + + ver = nf_call(nfEtherID + GET_VERSION); + pr_info("API %lu\n", ver); + + nfEtherIRQ = nf_call(nfEtherID + XIF_INTLEVEL); + error = request_irq(nfEtherIRQ, nfeth_interrupt, IRQF_SHARED, + "eth emu", nfeth_interrupt); + if (error) { + pr_err("request for irq %d failed %d", nfEtherIRQ, error); + return error; + } + + for (i = 0; i < MAX_UNIT; i++) + nfeth_dev[i] = nfeth_probe(i); + + return 0; +} + +static void __exit nfeth_cleanup(void) +{ + int i; + + for (i = 0; i < MAX_UNIT; i++) { + if (nfeth_dev[i]) { + unregister_netdev(nfeth_dev[0]); + free_netdev(nfeth_dev[0]); + } + } + free_irq(nfEtherIRQ, nfeth_interrupt); +} + +module_init(nfeth_init); +module_exit(nfeth_cleanup); diff --git a/arch/m68k/ifpsp060/src/fpsp.S b/arch/m68k/ifpsp060/src/fpsp.S index 73613b5f1ee5..26e85e2b7a5e 100644 --- a/arch/m68k/ifpsp060/src/fpsp.S +++ b/arch/m68k/ifpsp060/src/fpsp.S @@ -3881,7 +3881,7 @@ _fpsp_fline: # FP Unimplemented Instruction stack frame and jump to that entry # point. # -# but, if the FPU is disabled, then we need to jump to the FPU diabled +# but, if the FPU is disabled, then we need to jump to the FPU disabled # entry point. movc %pcr,%d0 btst &0x1,%d0 diff --git a/arch/m68k/include/asm/atarihw.h b/arch/m68k/include/asm/atarihw.h index a714e1aa072a..f51f709bbf30 100644 --- a/arch/m68k/include/asm/atarihw.h +++ b/arch/m68k/include/asm/atarihw.h @@ -449,7 +449,7 @@ struct SCC u_char char_dummy3; u_char cha_b_data; }; -# define scc ((*(volatile struct SCC*)SCC_BAS)) +# define atari_scc ((*(volatile struct SCC*)SCC_BAS)) /* The ESCC (Z85230) in an Atari ST. The channels are reversed! */ # define st_escc ((*(volatile struct SCC*)0xfffffa31)) diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h index 7085bd51668b..cb88aa96c4f1 100644 --- a/arch/m68k/include/asm/cacheflush_no.h +++ b/arch/m68k/include/asm/cacheflush_no.h @@ -2,21 +2,22 @@ #define _M68KNOMMU_CACHEFLUSH_H /* - * (C) Copyright 2000-2004, Greg Ungerer <gerg@snapgear.com> + * (C) Copyright 2000-2010, Greg Ungerer <gerg@snapgear.com> */ #include <linux/mm.h> +#include <asm/mcfsim.h> #define flush_cache_all() __flush_cache_all() #define flush_cache_mm(mm) do { } while (0) #define flush_cache_dup_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) __flush_cache_all() +#define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr) do { } while (0) -#define flush_dcache_range(start,len) __flush_cache_all() +#define flush_dcache_range(start, len) __flush_dcache_all() #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 #define flush_dcache_page(page) do { } while (0) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) -#define flush_icache_range(start,len) __flush_cache_all() +#define flush_icache_range(start, len) __flush_icache_all() #define flush_icache_page(vma,pg) do { } while (0) #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) #define flush_cache_vmap(start, end) do { } while (0) @@ -27,66 +28,52 @@ #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ memcpy(dst, src, len) +void mcf_cache_push(void); + static inline void __flush_cache_all(void) { -#if defined(CONFIG_M5407) || defined(CONFIG_M548x) - /* - * Use cpushl to push and invalidate all cache lines. - * Gas doesn't seem to know how to generate the ColdFire - * cpushl instruction... Oh well, bit stuff it for now. - */ - __asm__ __volatile__ ( - "nop\n\t" - "clrl %%d0\n\t" - "1:\n\t" - "movel %%d0,%%a0\n\t" - "2:\n\t" - ".word 0xf468\n\t" - "addl #0x10,%%a0\n\t" - "cmpl #0x00000800,%%a0\n\t" - "blt 2b\n\t" - "addql #1,%%d0\n\t" - "cmpil #4,%%d0\n\t" - "bne 1b\n\t" - "movel #0xb6088500,%%d0\n\t" - "movec %%d0,%%CACR\n\t" - : : : "d0", "a0" ); -#endif /* CONFIG_M5407 */ -#if defined(CONFIG_M523x) || defined(CONFIG_M527x) - __asm__ __volatile__ ( - "movel #0x81400100, %%d0\n\t" - "movec %%d0, %%CACR\n\t" - "nop\n\t" - : : : "d0" ); -#endif /* CONFIG_M523x || CONFIG_M527x */ -#if defined(CONFIG_M528x) - __asm__ __volatile__ ( - "movel #0x81000200, %%d0\n\t" - "movec %%d0, %%CACR\n\t" - "nop\n\t" - : : : "d0" ); -#endif /* CONFIG_M528x */ -#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272) +#ifdef CACHE_PUSH + mcf_cache_push(); +#endif +#ifdef CACHE_INVALIDATE __asm__ __volatile__ ( - "movel #0x81000100, %%d0\n\t" + "movel %0, %%d0\n\t" "movec %%d0, %%CACR\n\t" "nop\n\t" - : : : "d0" ); -#endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */ -#ifdef CONFIG_M5249 + : : "i" (CACHE_INVALIDATE) : "d0" ); +#endif +} + +/* + * Some ColdFire parts implement separate instruction and data caches, + * on those we should just flush the appropriate cache. If we don't need + * to do any specific flushing then this will be optimized away. + */ +static inline void __flush_icache_all(void) +{ +#ifdef CACHE_INVALIDATEI __asm__ __volatile__ ( - "movel #0xa1000200, %%d0\n\t" + "movel %0, %%d0\n\t" "movec %%d0, %%CACR\n\t" "nop\n\t" - : : : "d0" ); -#endif /* CONFIG_M5249 */ -#ifdef CONFIG_M532x + : : "i" (CACHE_INVALIDATEI) : "d0" ); +#endif +} + +static inline void __flush_dcache_all(void) +{ +#ifdef CACHE_PUSH + mcf_cache_push(); +#endif +#ifdef CACHE_INVALIDATED __asm__ __volatile__ ( - "movel #0x81000200, %%d0\n\t" + "movel %0, %%d0\n\t" "movec %%d0, %%CACR\n\t" "nop\n\t" - : : : "d0" ); -#endif /* CONFIG_M532x */ + : : "i" (CACHE_INVALIDATED) : "d0" ); +#else + /* Flush the wrtite buffer */ + __asm__ __volatile__ ( "nop" ); +#endif } - #endif /* _M68KNOMMU_CACHEFLUSH_H */ diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h index 3b0a34d0fe33..c94557b91448 100644 --- a/arch/m68k/include/asm/coldfire.h +++ b/arch/m68k/include/asm/coldfire.h @@ -14,39 +14,35 @@ /* - * Define master clock frequency. This is essentially done at config - * time now. No point enumerating dozens of possible clock options - * here. Also the peripheral clock (bus clock) divide ratio is set - * at config time too. + * Define master clock frequency. This is done at config time now. + * No point enumerating dozens of possible clock options here. And + * in any case new boards come along from time to time that have yet + * another different clocking frequency. */ #ifdef CONFIG_CLOCK_SET #define MCF_CLK CONFIG_CLOCK_FREQ -#define MCF_BUSCLK (CONFIG_CLOCK_FREQ / CONFIG_CLOCK_DIV) #else #error "Don't know what your ColdFire CPU clock frequency is??" #endif /* - * Define the processor support peripherals base address. - * This is generally setup by the boards start up code. + * Define the processor internal peripherals base address. + * + * The majority of ColdFire parts use an MBAR register to set + * the base address. Some have an IPSBAR register instead, and it + * has slightly different rules on its size and alignment. Some + * parts have fixed addresses and the internal peripherals cannot + * be relocated in the CPU address space. + * + * The value of MBAR or IPSBAR is config time selectable, we no + * longer hard define it here. No MBAR or IPSBAR will be defined if + * this part has a fixed peripheral address map. */ -#define MCF_MBAR 0x10000000 -#define MCF_MBAR2 0x80000000 -#if defined(CONFIG_M548x) -#define MCF_IPSBAR MCF_MBAR -#elif defined(CONFIG_M520x) -#define MCF_IPSBAR 0xFC000000 -#else -#define MCF_IPSBAR 0x40000000 +#ifdef CONFIG_MBAR +#define MCF_MBAR CONFIG_MBAR #endif - -#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M520x) -#undef MCF_MBAR -#define MCF_MBAR MCF_IPSBAR -#elif defined(CONFIG_M532x) -#undef MCF_MBAR -#define MCF_MBAR 0x00000000 +#ifdef CONFIG_IPSBAR +#define MCF_IPSBAR CONFIG_IPSBAR #endif /****************************************************************************/ diff --git a/arch/m68k/include/asm/entry_no.h b/arch/m68k/include/asm/entry_no.h index 26be277394f9..627d69bacc58 100644 --- a/arch/m68k/include/asm/entry_no.h +++ b/arch/m68k/include/asm/entry_no.h @@ -42,12 +42,16 @@ */ #ifdef CONFIG_COLDFIRE +#ifdef CONFIG_COLDFIRE_SW_A7 /* - * This is made a little more tricky on the ColdFire. There is no - * separate kernel and user stack pointers. Need to artificially + * This is made a little more tricky on older ColdFires. There is no + * separate supervisor and user stack pointers. Need to artificially * construct a usp in software... When doing this we need to disable - * interrupts, otherwise bad things could happen. + * interrupts, otherwise bad things will happen. */ +.globl sw_usp +.globl sw_ksp + .macro SAVE_ALL move #0x2700,%sr /* disable intrs */ btst #5,%sp@(2) /* from user? */ @@ -74,9 +78,7 @@ 7: .endm -.macro RESTORE_ALL - btst #5,%sp@(PT_SR) /* going user? */ - bnes 8f /* no, skip */ +.macro RESTORE_USER move #0x2700,%sr /* disable intrs */ movel sw_usp,%a0 /* get usp */ movel %sp@(PT_OFF_PC),%a0@- /* copy exception program counter */ @@ -91,19 +93,22 @@ subql #8,sw_usp /* set exception */ movel sw_usp,%sp /* restore usp */ rte - 8: - moveml %sp@,%d1-%d5/%a0-%a2 - lea %sp@(32),%sp /* space for 8 regs */ - movel %sp@+,%d0 - addql #4,%sp /* orig d0 */ - addl %sp@+,%sp /* stkadj */ - rte .endm +.macro RDUSP + movel sw_usp,%a2 +.endm + +.macro WRUSP + movel %a0,sw_usp +.endm + +#else /* !CONFIG_COLDFIRE_SW_A7 */ /* - * Quick exception save, use current stack only. + * Modern ColdFire parts have separate supervisor and user stack + * pointers. Simple load and restore macros for this case. */ -.macro SAVE_LOCAL +.macro SAVE_ALL move #0x2700,%sr /* disable intrs */ clrl %sp@- /* stkadj */ movel %d0,%sp@- /* orig d0 */ @@ -112,7 +117,7 @@ moveml %d1-%d5/%a0-%a2,%sp@ .endm -.macro RESTORE_LOCAL +.macro RESTORE_USER moveml %sp@,%d1-%d5/%a0-%a2 lea %sp@(32),%sp /* space for 8 regs */ movel %sp@+,%d0 @@ -121,6 +126,18 @@ rte .endm +.macro RDUSP + /*move %usp,%a2*/ + .word 0x4e6a +.endm + +.macro WRUSP + /*move %a0,%usp*/ + .word 0x4e60 +.endm + +#endif /* !CONFIG_COLDFIRE_SW_A7 */ + .macro SAVE_SWITCH_STACK lea %sp@(-24),%sp /* 6 regs */ moveml %a3-%a6/%d6-%d7,%sp@ @@ -131,14 +148,6 @@ lea %sp@(24),%sp /* 6 regs */ .endm -/* - * Software copy of the user and kernel stack pointers... Ugh... - * Need these to get around ColdFire not having separate kernel - * and user stack pointers. - */ -.globl sw_usp -.globl sw_ksp - #else /* !CONFIG_COLDFIRE */ /* @@ -167,6 +176,6 @@ moveml %sp@+,%a3-%a6/%d6-%d7 .endm -#endif /* !CONFIG_COLDFIRE */ +#endif /* !COLDFIRE_SW_A7 */ #endif /* __ASSEMBLY__ */ #endif /* __M68KNOMMU_ENTRY_H */ diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h index 1b57adbafad5..c64c7b74cf86 100644 --- a/arch/m68k/include/asm/gpio.h +++ b/arch/m68k/include/asm/gpio.h @@ -37,7 +37,7 @@ #if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || \ defined(CONFIG_M520x) || defined(CONFIG_M523x) || \ defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M532x) || defined(CONFIG_M548x) + defined(CONFIG_M532x) || defined(CONFIG_M54xx) /* These parts have GPIO organized by 8 bit ports */ diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h index 6e2413e518cb..cf20f3097af6 100644 --- a/arch/m68k/include/asm/io_no.h +++ b/arch/m68k/include/asm/io_no.h @@ -145,7 +145,6 @@ static inline void io_insl(unsigned int addr, void *buf, int len) #define IOMAP_WRITETHROUGH 3 extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag); -extern void __iounmap(void *addr, unsigned long size); static inline void *ioremap(unsigned long physaddr, unsigned long size) { diff --git a/arch/m68k/include/asm/m5206sim.h b/arch/m68k/include/asm/m5206sim.h index 9c384e294af9..9015eadd5c00 100644 --- a/arch/m68k/include/asm/m5206sim.h +++ b/arch/m68k/include/asm/m5206sim.h @@ -12,6 +12,11 @@ #define m5206sim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m5206)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK MCF_CLK + +#include <asm/m52xxacr.h> /* * Define the 5206 SIM register set addresses. @@ -44,14 +49,14 @@ #define MCFSIM_SWIVR 0x42 /* SW Watchdog intr reg (r/w) */ #define MCFSIM_SWSR 0x43 /* SW Watchdog service (r/w) */ -#define MCFSIM_DCRR 0x46 /* DRAM Refresh reg (r/w) */ -#define MCFSIM_DCTR 0x4a /* DRAM Timing reg (r/w) */ -#define MCFSIM_DAR0 0x4c /* DRAM 0 Address reg(r/w) */ -#define MCFSIM_DMR0 0x50 /* DRAM 0 Mask reg (r/w) */ -#define MCFSIM_DCR0 0x57 /* DRAM 0 Control reg (r/w) */ -#define MCFSIM_DAR1 0x58 /* DRAM 1 Address reg (r/w) */ -#define MCFSIM_DMR1 0x5c /* DRAM 1 Mask reg (r/w) */ -#define MCFSIM_DCR1 0x63 /* DRAM 1 Control reg (r/w) */ +#define MCFSIM_DCRR (MCF_MBAR + 0x46) /* DRAM Refresh reg (r/w) */ +#define MCFSIM_DCTR (MCF_MBAR + 0x4a) /* DRAM Timing reg (r/w) */ +#define MCFSIM_DAR0 (MCF_MBAR + 0x4c) /* DRAM 0 Address reg(r/w) */ +#define MCFSIM_DMR0 (MCF_MBAR + 0x50) /* DRAM 0 Mask reg (r/w) */ +#define MCFSIM_DCR0 (MCF_MBAR + 0x57) /* DRAM 0 Control reg (r/w) */ +#define MCFSIM_DAR1 (MCF_MBAR + 0x58) /* DRAM 1 Address reg (r/w) */ +#define MCFSIM_DMR1 (MCF_MBAR + 0x5c) /* DRAM 1 Mask reg (r/w) */ +#define MCFSIM_DCR1 (MCF_MBAR + 0x63) /* DRAM 1 Control reg (r/w) */ #define MCFSIM_CSAR0 0x64 /* CS 0 Address 0 reg (r/w) */ #define MCFSIM_CSMR0 0x68 /* CS 0 Mask 0 reg (r/w) */ @@ -85,9 +90,23 @@ #define MCFSIM_PAR 0xcb /* Pin Assignment reg (r/w) */ #endif +#define MCFTIMER_BASE1 (MCF_MBAR + 0x100) /* Base of TIMER1 */ +#define MCFTIMER_BASE2 (MCF_MBAR + 0x120) /* Base of TIMER2 */ + #define MCFSIM_PADDR (MCF_MBAR + 0x1c5) /* Parallel Direction (r/w) */ #define MCFSIM_PADAT (MCF_MBAR + 0x1c9) /* Parallel Port Value (r/w) */ +#define MCFDMA_BASE0 (MCF_MBAR + 0x200) /* Base address DMA 0 */ +#define MCFDMA_BASE1 (MCF_MBAR + 0x240) /* Base address DMA 1 */ + +#if defined(CONFIG_NETtel) +#define MCFUART_BASE1 0x180 /* Base address of UART1 */ +#define MCFUART_BASE2 0x140 /* Base address of UART2 */ +#else +#define MCFUART_BASE1 0x140 /* Base address of UART1 */ +#define MCFUART_BASE2 0x180 /* Base address of UART2 */ +#endif + /* * Define system peripheral IRQ usage. */ @@ -95,7 +114,7 @@ #define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ /* - * Generic GPIO + * Generic GPIO */ #define MCFGPIO_PIN_MAX 8 #define MCFGPIO_IRQ_VECBASE -1 diff --git a/arch/m68k/include/asm/m520xsim.h b/arch/m68k/include/asm/m520xsim.h index db824a4b136e..55d5a4c5fe0b 100644 --- a/arch/m68k/include/asm/m520xsim.h +++ b/arch/m68k/include/asm/m520xsim.h @@ -11,10 +11,16 @@ #define m520xsim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m520x)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK (MCF_CLK / 2) + +#include <asm/m52xxacr.h> + /* * Define the 520x SIM register set addresses. */ -#define MCFICM_INTC0 0x48000 /* Base for Interrupt Ctrl 0 */ +#define MCFICM_INTC0 0xFC048000 /* Base for Interrupt Ctrl 0 */ #define MCFINTC_IPRH 0x00 /* Interrupt pending 32-63 */ #define MCFINTC_IPRL 0x04 /* Interrupt pending 1-31 */ #define MCFINTC_IMRH 0x08 /* Interrupt mask 32-63 */ @@ -30,9 +36,9 @@ * address to the SIMR and CIMR registers (not offsets into IPSBAR). * The 520x family only has a single INTC unit. */ -#define MCFINTC0_SIMR (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_SIMR) -#define MCFINTC0_CIMR (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_CIMR) -#define MCFINTC0_ICR0 (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_ICR0) +#define MCFINTC0_SIMR (MCFICM_INTC0 + MCFINTC_SIMR) +#define MCFINTC0_CIMR (MCFICM_INTC0 + MCFINTC_CIMR) +#define MCFINTC0_ICR0 (MCFICM_INTC0 + MCFINTC_ICR0) #define MCFINTC1_SIMR (0) #define MCFINTC1_CIMR (0) #define MCFINTC1_ICR0 (0) @@ -47,16 +53,22 @@ /* * SDRAM configuration registers. */ -#define MCFSIM_SDMR 0x000a8000 /* SDRAM Mode/Extended Mode Register */ -#define MCFSIM_SDCR 0x000a8004 /* SDRAM Control Register */ -#define MCFSIM_SDCFG1 0x000a8008 /* SDRAM Configuration Register 1 */ -#define MCFSIM_SDCFG2 0x000a800c /* SDRAM Configuration Register 2 */ -#define MCFSIM_SDCS0 0x000a8110 /* SDRAM Chip Select 0 Configuration */ -#define MCFSIM_SDCS1 0x000a8114 /* SDRAM Chip Select 1 Configuration */ +#define MCFSIM_SDMR 0xFC0a8000 /* SDRAM Mode/Extended Mode Register */ +#define MCFSIM_SDCR 0xFC0a8004 /* SDRAM Control Register */ +#define MCFSIM_SDCFG1 0xFC0a8008 /* SDRAM Configuration Register 1 */ +#define MCFSIM_SDCFG2 0xFC0a800c /* SDRAM Configuration Register 2 */ +#define MCFSIM_SDCS0 0xFC0a8110 /* SDRAM Chip Select 0 Configuration */ +#define MCFSIM_SDCS1 0xFC0a8114 /* SDRAM Chip Select 1 Configuration */ +/* + * EPORT and GPIO registers. + */ +#define MCFEPORT_EPPAR 0xFC088000 #define MCFEPORT_EPDDR 0xFC088002 +#define MCFEPORT_EPIER 0xFC088003 #define MCFEPORT_EPDR 0xFC088004 #define MCFEPORT_EPPDR 0xFC088005 +#define MCFEPORT_EPFR 0xFC088006 #define MCFGPIO_PODR_BUSCTL 0xFC0A4000 #define MCFGPIO_PODR_BE 0xFC0A4001 @@ -97,6 +109,7 @@ #define MCFGPIO_PCLRR_UART 0xFC0A402A #define MCFGPIO_PCLRR_FECH 0xFC0A402B #define MCFGPIO_PCLRR_FECL 0xFC0A402C + /* * Generic GPIO support */ @@ -109,12 +122,11 @@ #define MCFGPIO_PIN_MAX 80 #define MCFGPIO_IRQ_MAX 8 #define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE -/****************************************************************************/ -#define MCF_GPIO_PAR_UART (0xA4036) -#define MCF_GPIO_PAR_FECI2C (0xA4033) -#define MCF_GPIO_PAR_QSPI (0xA4034) -#define MCF_GPIO_PAR_FEC (0xA4038) +#define MCF_GPIO_PAR_UART 0xFC0A4036 +#define MCF_GPIO_PAR_FECI2C 0xFC0A4033 +#define MCF_GPIO_PAR_QSPI 0xFC0A4034 +#define MCF_GPIO_PAR_FEC 0xFC0A4038 #define MCF_GPIO_PAR_UART_PAR_URXD0 (0x0001) #define MCF_GPIO_PAR_UART_PAR_UTXD0 (0x0002) @@ -126,6 +138,25 @@ #define MCF_GPIO_PAR_FECI2C_PAR_SCL_UTXD2 (0x04) /* + * PIT timer module. + */ +#define MCFPIT_BASE1 0xFC080000 /* Base address of TIMER1 */ +#define MCFPIT_BASE2 0xFC084000 /* Base address of TIMER2 */ + +/* + * UART module. + */ +#define MCFUART_BASE1 0xFC060000 /* Base address of UART1 */ +#define MCFUART_BASE2 0xFC064000 /* Base address of UART2 */ +#define MCFUART_BASE3 0xFC068000 /* Base address of UART2 */ + +/* + * FEC module. + */ +#define MCFFEC_BASE 0xFC030000 /* Base of FEC ethernet */ +#define MCFFEC_SIZE 0x800 /* Register set size */ + +/* * Reset Controll Unit. */ #define MCF_RCR 0xFC0A0000 diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h index e8d06b24a48e..8996df62ede4 100644 --- a/arch/m68k/include/asm/m523xsim.h +++ b/arch/m68k/include/asm/m523xsim.h @@ -11,12 +11,18 @@ #define m523xsim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m523x)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK (MCF_CLK / 2) + +#include <asm/m52xxacr.h> /* * Define the 523x SIM register set addresses. */ -#define MCFICM_INTC0 0x0c00 /* Base for Interrupt Ctrl 0 */ -#define MCFICM_INTC1 0x0d00 /* Base for Interrupt Ctrl 0 */ +#define MCFICM_INTC0 (MCF_IPSBAR + 0x0c00) /* Base for Interrupt Ctrl 0 */ +#define MCFICM_INTC1 (MCF_IPSBAR + 0x0d00) /* Base for Interrupt Ctrl 0 */ + #define MCFINTC_IPRH 0x00 /* Interrupt pending 32-63 */ #define MCFINTC_IPRL 0x04 /* Interrupt pending 1-31 */ #define MCFINTC_IMRH 0x08 /* Interrupt mask 32-63 */ @@ -35,11 +41,11 @@ /* * SDRAM configuration registers. */ -#define MCFSIM_DCR 0x44 /* SDRAM control */ -#define MCFSIM_DACR0 0x48 /* SDRAM base address 0 */ -#define MCFSIM_DMR0 0x4c /* SDRAM address mask 0 */ -#define MCFSIM_DACR1 0x50 /* SDRAM base address 1 */ -#define MCFSIM_DMR1 0x54 /* SDRAM address mask 1 */ +#define MCFSIM_DCR (MCF_IPSBAR + 0x44) /* Control */ +#define MCFSIM_DACR0 (MCF_IPSBAR + 0x48) /* Base address 0 */ +#define MCFSIM_DMR0 (MCF_IPSBAR + 0x4c) /* Address mask 0 */ +#define MCFSIM_DACR1 (MCF_IPSBAR + 0x50) /* Base address 1 */ +#define MCFSIM_DMR1 (MCF_IPSBAR + 0x54) /* Address mask 1 */ /* * Reset Controll Unit (relative to IPSBAR). @@ -50,6 +56,22 @@ #define MCF_RCR_SWRESET 0x80 /* Software reset bit */ #define MCF_RCR_FRCSTOUT 0x40 /* Force external reset */ +/* + * UART module. + */ +#define MCFUART_BASE1 (MCF_IPSBAR + 0x200) +#define MCFUART_BASE2 (MCF_IPSBAR + 0x240) +#define MCFUART_BASE3 (MCF_IPSBAR + 0x280) + +/* + * FEC ethernet module. + */ +#define MCFFEC_BASE (MCF_IPSBAR + 0x1000) +#define MCFFEC_SIZE 0x800 + +/* + * GPIO module. + */ #define MCFGPIO_PODR_ADDR (MCF_IPSBAR + 0x100000) #define MCFGPIO_PODR_DATAH (MCF_IPSBAR + 0x100001) #define MCFGPIO_PODR_DATAL (MCF_IPSBAR + 0x100002) @@ -107,12 +129,22 @@ #define MCFGPIO_PCLRR_ETPU (MCF_IPSBAR + 0x10003C) /* - * EPort + * PIT timer base addresses. */ +#define MCFPIT_BASE1 (MCF_IPSBAR + 0x150000) +#define MCFPIT_BASE2 (MCF_IPSBAR + 0x160000) +#define MCFPIT_BASE3 (MCF_IPSBAR + 0x170000) +#define MCFPIT_BASE4 (MCF_IPSBAR + 0x180000) +/* + * EPort + */ +#define MCFEPORT_EPPAR (MCF_IPSBAR + 0x130000) #define MCFEPORT_EPDDR (MCF_IPSBAR + 0x130002) +#define MCFEPORT_EPIER (MCF_IPSBAR + 0x130003) #define MCFEPORT_EPDR (MCF_IPSBAR + 0x130004) #define MCFEPORT_EPPDR (MCF_IPSBAR + 0x130005) +#define MCFEPORT_EPFR (MCF_IPSBAR + 0x130006) /* * Generic GPIO support @@ -132,5 +164,14 @@ */ #define MCFGPIO_PAR_QSPI (MCF_IPSBAR + 0x10004A) #define MCFGPIO_PAR_TIMER (MCF_IPSBAR + 0x10004C) + +/* + * DMA unit base addresses. + */ +#define MCFDMA_BASE0 (MCF_IPSBAR + 0x100) +#define MCFDMA_BASE1 (MCF_IPSBAR + 0x140) +#define MCFDMA_BASE2 (MCF_IPSBAR + 0x180) +#define MCFDMA_BASE3 (MCF_IPSBAR + 0x1C0) + /****************************************************************************/ #endif /* m523xsim_h */ diff --git a/arch/m68k/include/asm/m5249sim.h b/arch/m68k/include/asm/m5249sim.h index 79b7b402f3c9..805714ca8d7d 100644 --- a/arch/m68k/include/asm/m5249sim.h +++ b/arch/m68k/include/asm/m5249sim.h @@ -11,6 +11,17 @@ #define m5249sim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m5249)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK (MCF_CLK / 2) + +#include <asm/m52xxacr.h> + +/* + * The 5249 has a second MBAR region, define its address. + */ +#define MCF_MBAR2 0x80000000 + /* * Define the 5249 SIM register set addresses. */ @@ -50,12 +61,31 @@ #define MCFSIM_CSMR3 0xa8 /* CS 3 Mask reg (r/w) */ #define MCFSIM_CSCR3 0xae /* CS 3 Control reg (r/w) */ -#define MCFSIM_DCR 0x100 /* DRAM Control reg (r/w) */ -#define MCFSIM_DACR0 0x108 /* DRAM 0 Addr and Ctrl (r/w) */ -#define MCFSIM_DMR0 0x10c /* DRAM 0 Mask reg (r/w) */ -#define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */ -#define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */ +#define MCFSIM_DCR (MCF_MBAR + 0x100) /* DRAM Control */ +#define MCFSIM_DACR0 (MCF_MBAR + 0x108) /* DRAM 0 Addr/Ctrl */ +#define MCFSIM_DMR0 (MCF_MBAR + 0x10c) /* DRAM 0 Mask */ +#define MCFSIM_DACR1 (MCF_MBAR + 0x110) /* DRAM 1 Addr/Ctrl */ +#define MCFSIM_DMR1 (MCF_MBAR + 0x114) /* DRAM 1 Mask */ +/* + * Timer module. + */ +#define MCFTIMER_BASE1 (MCF_MBAR + 0x140) /* Base of TIMER1 */ +#define MCFTIMER_BASE2 (MCF_MBAR + 0x180) /* Base of TIMER2 */ + +/* + * UART module. + */ +#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */ +#define MCFUART_BASE2 0x200 /* Base address of UART2 */ + +/* + * DMA unit base addresses. + */ +#define MCFDMA_BASE0 (MCF_MBAR + 0x300) /* Base address DMA 0 */ +#define MCFDMA_BASE1 (MCF_MBAR + 0x340) /* Base address DMA 1 */ +#define MCFDMA_BASE2 (MCF_MBAR + 0x380) /* Base address DMA 2 */ +#define MCFDMA_BASE3 (MCF_MBAR + 0x3C0) /* Base address DMA 3 */ /* * Some symbol defines for the above... diff --git a/arch/m68k/include/asm/m5272sim.h b/arch/m68k/include/asm/m5272sim.h index df3332c2317d..759c2b07a994 100644 --- a/arch/m68k/include/asm/m5272sim.h +++ b/arch/m68k/include/asm/m5272sim.h @@ -12,6 +12,12 @@ #define m5272sim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m5272)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK MCF_CLK + +#include <asm/m52xxacr.h> + /* * Define the 5272 SIM register set addresses. */ @@ -62,6 +68,9 @@ #define MCFSIM_DCMR1 0x5c /* DRAM 1 Mask reg (r/w) */ #define MCFSIM_DCCR1 0x63 /* DRAM 1 Control reg (r/w) */ +#define MCFUART_BASE1 0x100 /* Base address of UART1 */ +#define MCFUART_BASE2 0x140 /* Base address of UART2 */ + #define MCFSIM_PACNT (MCF_MBAR + 0x80) /* Port A Control (r/w) */ #define MCFSIM_PADDR (MCF_MBAR + 0x84) /* Port A Direction (r/w) */ #define MCFSIM_PADAT (MCF_MBAR + 0x86) /* Port A Data (r/w) */ @@ -72,6 +81,13 @@ #define MCFSIM_PCDAT (MCF_MBAR + 0x96) /* Port C Data (r/w) */ #define MCFSIM_PDCNT (MCF_MBAR + 0x98) /* Port D Control (r/w) */ +#define MCFDMA_BASE0 (MCF_MBAR + 0xe0) /* Base address DMA 0 */ + +#define MCFTIMER_BASE1 (MCF_MBAR + 0x200) /* Base address TIMER1 */ +#define MCFTIMER_BASE2 (MCF_MBAR + 0x220) /* Base address TIMER2 */ +#define MCFTIMER_BASE3 (MCF_MBAR + 0x240) /* Base address TIMER4 */ +#define MCFTIMER_BASE4 (MCF_MBAR + 0x260) /* Base address TIMER3 */ + /* * Define system peripheral IRQ usage. */ diff --git a/arch/m68k/include/asm/m527xsim.h b/arch/m68k/include/asm/m527xsim.h index 1feb46f108ce..74855a66c050 100644 --- a/arch/m68k/include/asm/m527xsim.h +++ b/arch/m68k/include/asm/m527xsim.h @@ -11,12 +11,18 @@ #define m527xsim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m527x)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK (MCF_CLK / 2) + +#include <asm/m52xxacr.h> /* * Define the 5270/5271 SIM register set addresses. */ -#define MCFICM_INTC0 0x0c00 /* Base for Interrupt Ctrl 0 */ -#define MCFICM_INTC1 0x0d00 /* Base for Interrupt Ctrl 1 */ +#define MCFICM_INTC0 (MCF_IPSBAR + 0x0c00) /* Base for Interrupt Ctrl 0 */ +#define MCFICM_INTC1 (MCF_IPSBAR + 0x0d00) /* Base for Interrupt Ctrl 1 */ + #define MCFINTC_IPRH 0x00 /* Interrupt pending 32-63 */ #define MCFINTC_IPRL 0x04 /* Interrupt pending 1-31 */ #define MCFINTC_IMRH 0x08 /* Interrupt mask 32-63 */ @@ -38,23 +44,45 @@ * SDRAM configuration registers. */ #ifdef CONFIG_M5271 -#define MCFSIM_DCR 0x40 /* SDRAM control */ -#define MCFSIM_DACR0 0x48 /* SDRAM base address 0 */ -#define MCFSIM_DMR0 0x4c /* SDRAM address mask 0 */ -#define MCFSIM_DACR1 0x50 /* SDRAM base address 1 */ -#define MCFSIM_DMR1 0x54 /* SDRAM address mask 1 */ +#define MCFSIM_DCR (MCF_IPSBAR + 0x40) /* Control */ +#define MCFSIM_DACR0 (MCF_IPSBAR + 0x48) /* Base address 0 */ +#define MCFSIM_DMR0 (MCF_IPSBAR + 0x4c) /* Address mask 0 */ +#define MCFSIM_DACR1 (MCF_IPSBAR + 0x50) /* Base address 1 */ +#define MCFSIM_DMR1 (MCF_IPSBAR + 0x54) /* Address mask 1 */ #endif #ifdef CONFIG_M5275 -#define MCFSIM_DMR 0x40 /* SDRAM mode */ -#define MCFSIM_DCR 0x44 /* SDRAM control */ -#define MCFSIM_DCFG1 0x48 /* SDRAM configuration 1 */ -#define MCFSIM_DCFG2 0x4c /* SDRAM configuration 2 */ -#define MCFSIM_DBAR0 0x50 /* SDRAM base address 0 */ -#define MCFSIM_DMR0 0x54 /* SDRAM address mask 0 */ -#define MCFSIM_DBAR1 0x58 /* SDRAM base address 1 */ -#define MCFSIM_DMR1 0x5c /* SDRAM address mask 1 */ +#define MCFSIM_DMR (MCF_IPSBAR + 0x40) /* Mode */ +#define MCFSIM_DCR (MCF_IPSBAR + 0x44) /* Control */ +#define MCFSIM_DCFG1 (MCF_IPSBAR + 0x48) /* Configuration 1 */ +#define MCFSIM_DCFG2 (MCF_IPSBAR + 0x4c) /* Configuration 2 */ +#define MCFSIM_DBAR0 (MCF_IPSBAR + 0x50) /* Base address 0 */ +#define MCFSIM_DMR0 (MCF_IPSBAR + 0x54) /* Address mask 0 */ +#define MCFSIM_DBAR1 (MCF_IPSBAR + 0x58) /* Base address 1 */ +#define MCFSIM_DMR1 (MCF_IPSBAR + 0x5c) /* Address mask 1 */ #endif +/* + * DMA unit base addresses. + */ +#define MCFDMA_BASE0 (MCF_IPSBAR + 0x100) +#define MCFDMA_BASE1 (MCF_IPSBAR + 0x140) +#define MCFDMA_BASE2 (MCF_IPSBAR + 0x180) +#define MCFDMA_BASE3 (MCF_IPSBAR + 0x1C0) + +/* + * UART module. + */ +#define MCFUART_BASE1 (MCF_IPSBAR + 0x200) +#define MCFUART_BASE2 (MCF_IPSBAR + 0x240) +#define MCFUART_BASE3 (MCF_IPSBAR + 0x280) + +/* + * FEC ethernet module. + */ +#define MCFFEC_BASE0 (MCF_IPSBAR + 0x1000) +#define MCFFEC_SIZE0 0x800 +#define MCFFEC_BASE1 (MCF_IPSBAR + 0x1800) +#define MCFFEC_SIZE1 0x800 #ifdef CONFIG_M5271 #define MCFGPIO_PODR_ADDR (MCF_IPSBAR + 0x100000) @@ -221,14 +249,22 @@ #endif /* - * EPort + * PIT timer base addresses. */ +#define MCFPIT_BASE1 (MCF_IPSBAR + 0x150000) +#define MCFPIT_BASE2 (MCF_IPSBAR + 0x160000) +#define MCFPIT_BASE3 (MCF_IPSBAR + 0x170000) +#define MCFPIT_BASE4 (MCF_IPSBAR + 0x180000) +/* + * EPort + */ +#define MCFEPORT_EPPAR (MCF_IPSBAR + 0x130000) #define MCFEPORT_EPDDR (MCF_IPSBAR + 0x130002) +#define MCFEPORT_EPIER (MCF_IPSBAR + 0x130003) #define MCFEPORT_EPDR (MCF_IPSBAR + 0x130004) #define MCFEPORT_EPPDR (MCF_IPSBAR + 0x130005) - - +#define MCFEPORT_EPFR (MCF_IPSBAR + 0x130006) /* * GPIO pins setups to enable the UARTs. diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h index 891cbedad972..d798bd5df56c 100644 --- a/arch/m68k/include/asm/m528xsim.h +++ b/arch/m68k/include/asm/m528xsim.h @@ -11,12 +11,18 @@ #define m528xsim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m528x)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK MCF_CLK + +#include <asm/m52xxacr.h> /* * Define the 5280/5282 SIM register set addresses. */ -#define MCFICM_INTC0 0x0c00 /* Base for Interrupt Ctrl 0 */ -#define MCFICM_INTC1 0x0d00 /* Base for Interrupt Ctrl 0 */ +#define MCFICM_INTC0 (MCF_IPSBAR + 0x0c00) /* Base for Interrupt Ctrl 0 */ +#define MCFICM_INTC1 (MCF_IPSBAR + 0x0d00) /* Base for Interrupt Ctrl 0 */ + #define MCFINTC_IPRH 0x00 /* Interrupt pending 32-63 */ #define MCFINTC_IPRL 0x04 /* Interrupt pending 1-31 */ #define MCFINTC_IMRH 0x08 /* Interrupt mask 32-63 */ @@ -35,11 +41,32 @@ /* * SDRAM configuration registers. */ -#define MCFSIM_DCR 0x44 /* SDRAM control */ -#define MCFSIM_DACR0 0x48 /* SDRAM base address 0 */ -#define MCFSIM_DMR0 0x4c /* SDRAM address mask 0 */ -#define MCFSIM_DACR1 0x50 /* SDRAM base address 1 */ -#define MCFSIM_DMR1 0x54 /* SDRAM address mask 1 */ +#define MCFSIM_DCR (MCF_IPSBAR + 0x00000044) /* Control */ +#define MCFSIM_DACR0 (MCF_IPSBAR + 0x00000048) /* Base address 0 */ +#define MCFSIM_DMR0 (MCF_IPSBAR + 0x0000004c) /* Address mask 0 */ +#define MCFSIM_DACR1 (MCF_IPSBAR + 0x00000050) /* Base address 1 */ +#define MCFSIM_DMR1 (MCF_IPSBAR + 0x00000054) /* Address mask 1 */ + +/* + * DMA unit base addresses. + */ +#define MCFDMA_BASE0 (MCF_IPSBAR + 0x00000100) +#define MCFDMA_BASE1 (MCF_IPSBAR + 0x00000140) +#define MCFDMA_BASE2 (MCF_IPSBAR + 0x00000180) +#define MCFDMA_BASE3 (MCF_IPSBAR + 0x000001C0) + +/* + * UART module. + */ +#define MCFUART_BASE1 (MCF_IPSBAR + 0x00000200) +#define MCFUART_BASE2 (MCF_IPSBAR + 0x00000240) +#define MCFUART_BASE3 (MCF_IPSBAR + 0x00000280) + +/* + * FEC ethernet module. + */ +#define MCFFEC_BASE (MCF_IPSBAR + 0x00001000) +#define MCFFEC_SIZE 0x800 /* * GPIO registers @@ -152,6 +179,14 @@ #define MCFGPIO_PUAPAR (MCF_IPSBAR + 0x0010005C) /* + * PIT timer base addresses. + */ +#define MCFPIT_BASE1 (MCF_IPSBAR + 0x00150000) +#define MCFPIT_BASE2 (MCF_IPSBAR + 0x00160000) +#define MCFPIT_BASE3 (MCF_IPSBAR + 0x00170000) +#define MCFPIT_BASE4 (MCF_IPSBAR + 0x00180000) + +/* * Edge Port registers */ #define MCFEPORT_EPPAR (MCF_IPSBAR + 0x00130000) diff --git a/arch/m68k/include/asm/m52xxacr.h b/arch/m68k/include/asm/m52xxacr.h new file mode 100644 index 000000000000..abc391a9ae8d --- /dev/null +++ b/arch/m68k/include/asm/m52xxacr.h @@ -0,0 +1,94 @@ +/****************************************************************************/ + +/* + * m52xxacr.h -- ColdFire version 2 core cache support + * + * (C) Copyright 2010, Greg Ungerer <gerg@snapgear.com> + */ + +/****************************************************************************/ +#ifndef m52xxacr_h +#define m52xxacr_h +/****************************************************************************/ + +/* + * All varients of the ColdFire using version 2 cores have a similar + * cache setup. Although not absolutely identical the cache register + * definitions are compatible for all of them. Mostly they support a + * configurable cache memory that can be instruction only, data only, + * or split instruction and data. The exception is the very old version 2 + * core based parts, like the 5206(e), 5249 and 5272, which are instruction + * cache only. Cache size varies from 2k up to 16k. + */ + +/* + * Define the Cache Control register flags. + */ +#define CACR_CENB 0x80000000 /* Enable cache */ +#define CACR_CDPI 0x10000000 /* Disable invalidation by CPUSHL */ +#define CACR_CFRZ 0x08000000 /* Cache freeze mode */ +#define CACR_CINV 0x01000000 /* Invalidate cache */ +#define CACR_DISI 0x00800000 /* Disable instruction cache */ +#define CACR_DISD 0x00400000 /* Disable data cache */ +#define CACR_INVI 0x00200000 /* Invalidate instruction cache */ +#define CACR_INVD 0x00100000 /* Invalidate data cache */ +#define CACR_CEIB 0x00000400 /* Non-cachable instruction burst */ +#define CACR_DCM 0x00000200 /* Default cache mode */ +#define CACR_DBWE 0x00000100 /* Buffered write enable */ +#define CACR_DWP 0x00000020 /* Write protection */ +#define CACR_EUSP 0x00000010 /* Enable separate user a7 */ + +/* + * Define the Access Control register flags. + */ +#define ACR_BASE_POS 24 /* Address Base (upper 8 bits) */ +#define ACR_MASK_POS 16 /* Address Mask (next 8 bits) */ +#define ACR_ENABLE 0x00008000 /* Enable this ACR */ +#define ACR_USER 0x00000000 /* Allow only user accesses */ +#define ACR_SUPER 0x00002000 /* Allow supervisor access only */ +#define ACR_ANY 0x00004000 /* Allow any access type */ +#define ACR_CENB 0x00000000 /* Caching of region enabled */ +#define ACR_CDIS 0x00000040 /* Caching of region disabled */ +#define ACR_BWE 0x00000020 /* Write buffer enabled */ +#define ACR_WPROTECT 0x00000004 /* Write protect region */ + +/* + * Set the cache controller settings we will use. On the cores that support + * a split cache configuration we allow all the combinations at Kconfig + * time. For those cores that only have an instruction cache we just set + * that as on. + */ +#if defined(CONFIG_CACHE_I) +#define CACHE_TYPE (CACR_DISD + CACR_EUSP) +#define CACHE_INVTYPEI 0 +#elif defined(CONFIG_CACHE_D) +#define CACHE_TYPE (CACR_DISI + CACR_EUSP) +#define CACHE_INVTYPED 0 +#elif defined(CONFIG_CACHE_BOTH) +#define CACHE_TYPE CACR_EUSP +#define CACHE_INVTYPEI CACR_INVI +#define CACHE_INVTYPED CACR_INVD +#else +/* This is the instruction cache only devices (no split cache, no eusp) */ +#define CACHE_TYPE 0 +#define CACHE_INVTYPEI 0 +#endif + +#define CACHE_INIT (CACR_CINV + CACHE_TYPE) +#define CACHE_MODE (CACR_CENB + CACHE_TYPE + CACR_DCM) + +#define CACHE_INVALIDATE (CACHE_MODE + CACR_CINV) +#if defined(CACHE_INVTYPEI) +#define CACHE_INVALIDATEI (CACHE_MODE + CACR_CINV + CACHE_INVTYPEI) +#endif +#if defined(CACHE_INVTYPED) +#define CACHE_INVALIDATED (CACHE_MODE + CACR_CINV + CACHE_INVTYPED) +#endif + +#define ACR0_MODE ((CONFIG_RAMBASE & 0xff000000) + \ + (0x000f0000) + \ + (ACR_ENABLE + ACR_ANY + ACR_CENB + ACR_BWE)) +#define ACR1_MODE 0 + +/****************************************************************************/ +#endif /* m52xxsim_h */ diff --git a/arch/m68k/include/asm/m5307sim.h b/arch/m68k/include/asm/m5307sim.h index c6830e5b54ce..4c94c01f36c4 100644 --- a/arch/m68k/include/asm/m5307sim.h +++ b/arch/m68k/include/asm/m5307sim.h @@ -14,6 +14,12 @@ #define m5307sim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m5307)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK (MCF_CLK / 2) + +#include <asm/m53xxacr.h> + /* * Define the 5307 SIM register set addresses. */ @@ -84,16 +90,41 @@ #define MCFSIM_CSCR7 0xde /* CS 7 Control reg (r/w) */ #endif /* CONFIG_OLDMASK */ -#define MCFSIM_DCR 0x100 /* DRAM Control reg (r/w) */ -#define MCFSIM_DACR0 0x108 /* DRAM 0 Addr and Ctrl (r/w) */ -#define MCFSIM_DMR0 0x10c /* DRAM 0 Mask reg (r/w) */ -#define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */ -#define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */ +#define MCFSIM_DCR (MCF_MBAR + 0x100) /* DRAM Control */ +#define MCFSIM_DACR0 (MCF_MBAR + 0x108) /* DRAM Addr/Ctrl 0 */ +#define MCFSIM_DMR0 (MCF_MBAR + 0x10c) /* DRAM Mask 0 */ +#define MCFSIM_DACR1 (MCF_MBAR + 0x110) /* DRAM Addr/Ctrl 1 */ +#define MCFSIM_DMR1 (MCF_MBAR + 0x114) /* DRAM Mask 1 */ + +/* + * Timer module. + */ +#define MCFTIMER_BASE1 (MCF_MBAR + 0x140) /* Base of TIMER1 */ +#define MCFTIMER_BASE2 (MCF_MBAR + 0x180) /* Base of TIMER2 */ #define MCFSIM_PADDR (MCF_MBAR + 0x244) #define MCFSIM_PADAT (MCF_MBAR + 0x248) /* + * DMA unit base addresses. + */ +#define MCFDMA_BASE0 (MCF_MBAR + 0x300) /* Base address DMA 0 */ +#define MCFDMA_BASE1 (MCF_MBAR + 0x340) /* Base address DMA 1 */ +#define MCFDMA_BASE2 (MCF_MBAR + 0x380) /* Base address DMA 2 */ +#define MCFDMA_BASE3 (MCF_MBAR + 0x3C0) /* Base address DMA 3 */ + +/* + * UART module. + */ +#if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3) +#define MCFUART_BASE1 0x200 /* Base address of UART1 */ +#define MCFUART_BASE2 0x1c0 /* Base address of UART2 */ +#else +#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */ +#define MCFUART_BASE2 0x200 /* Base address of UART2 */ +#endif + +/* * Generic GPIO support */ #define MCFGPIO_PIN_MAX 16 @@ -146,32 +177,5 @@ #define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */ #define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ -/* - * Define the Cache register flags. - */ -#define CACR_EC (1<<31) -#define CACR_ESB (1<<29) -#define CACR_DPI (1<<28) -#define CACR_HLCK (1<<27) -#define CACR_CINVA (1<<24) -#define CACR_DNFB (1<<10) -#define CACR_DCM_WTHRU (0<<8) -#define CACR_DCM_WBACK (1<<8) -#define CACR_DCM_OFF_PRE (2<<8) -#define CACR_DCM_OFF_IMP (3<<8) -#define CACR_DW (1<<5) - -#define ACR_BASE_POS 24 -#define ACR_MASK_POS 16 -#define ACR_ENABLE (1<<15) -#define ACR_USER (0<<13) -#define ACR_SUPER (1<<13) -#define ACR_ANY (2<<13) -#define ACR_CM_WTHRU (0<<5) -#define ACR_CM_WBACK (1<<5) -#define ACR_CM_OFF_PRE (2<<5) -#define ACR_CM_OFF_IMP (3<<5) -#define ACR_WPROTECT (1<<2) - /****************************************************************************/ #endif /* m5307sim_h */ diff --git a/arch/m68k/include/asm/m532xsim.h b/arch/m68k/include/asm/m532xsim.h index c4bf1c81e3cf..ba4cc784f574 100644 --- a/arch/m68k/include/asm/m532xsim.h +++ b/arch/m68k/include/asm/m532xsim.h @@ -9,6 +9,12 @@ #define m532xsim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m532x)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK (MCF_CLK / 3) + +#include <asm/m53xxacr.h> + #define MCF_REG32(x) (*(volatile unsigned long *)(x)) #define MCF_REG16(x) (*(volatile unsigned short *)(x)) #define MCF_REG08(x) (*(volatile unsigned char *)(x)) @@ -74,31 +80,19 @@ #define MCF_IRQ_PROFILER (64 + 33) /* Timer1 */ /* - * Define the Cache register flags. + * UART module. + */ +#define MCFUART_BASE1 0xFC060000 /* Base address of UART1 */ +#define MCFUART_BASE2 0xFC064000 /* Base address of UART2 */ +#define MCFUART_BASE3 0xFC068000 /* Base address of UART3 */ + +/* + * Timer module. */ -#define CACR_EC (1<<31) -#define CACR_ESB (1<<29) -#define CACR_DPI (1<<28) -#define CACR_HLCK (1<<27) -#define CACR_CINVA (1<<24) -#define CACR_DNFB (1<<10) -#define CACR_DCM_WTHRU (0<<8) -#define CACR_DCM_WBACK (1<<8) -#define CACR_DCM_OFF_PRE (2<<8) -#define CACR_DCM_OFF_IMP (3<<8) -#define CACR_DW (1<<5) - -#define ACR_BASE_POS 24 -#define ACR_MASK_POS 16 -#define ACR_ENABLE (1<<15) -#define ACR_USER (0<<13) -#define ACR_SUPER (1<<13) -#define ACR_ANY (2<<13) -#define ACR_CM_WTHRU (0<<5) -#define ACR_CM_WBACK (1<<5) -#define ACR_CM_OFF_PRE (2<<5) -#define ACR_CM_OFF_IMP (3<<5) -#define ACR_WPROTECT (1<<2) +#define MCFTIMER_BASE1 0xFC070000 /* Base address of TIMER1 */ +#define MCFTIMER_BASE2 0xFC074000 /* Base address of TIMER2 */ +#define MCFTIMER_BASE3 0xFC078000 /* Base address of TIMER3 */ +#define MCFTIMER_BASE4 0xFC07C000 /* Base address of TIMER4 */ /********************************************************************* * diff --git a/arch/m68k/include/asm/m53xxacr.h b/arch/m68k/include/asm/m53xxacr.h new file mode 100644 index 000000000000..cd952b0a8bd3 --- /dev/null +++ b/arch/m68k/include/asm/m53xxacr.h @@ -0,0 +1,101 @@ +/****************************************************************************/ + +/* + * m53xxacr.h -- ColdFire version 3 core cache support + * + * (C) Copyright 2010, Greg Ungerer <gerg@snapgear.com> + */ + +/****************************************************************************/ +#ifndef m53xxacr_h +#define m53xxacr_h +/****************************************************************************/ + +/* + * All varients of the ColdFire using version 3 cores have a similar + * cache setup. They have a unified instruction and data cache, with + * configurable write-through or copy-back operation. + */ + +/* + * Define the Cache Control register flags. + */ +#define CACR_EC 0x80000000 /* Enable cache */ +#define CACR_ESB 0x20000000 /* Enable store buffer */ +#define CACR_DPI 0x10000000 /* Disable invalidation by CPUSHL */ +#define CACR_HLCK 0x08000000 /* Half cache lock mode */ +#define CACR_CINVA 0x01000000 /* Invalidate cache */ +#define CACR_DNFB 0x00000400 /* Inhibited fill buffer */ +#define CACR_DCM_WT 0x00000000 /* Cacheable write-through */ +#define CACR_DCM_CB 0x00000100 /* Cacheable copy-back */ +#define CACR_DCM_PRE 0x00000200 /* Cache inhibited, precise */ +#define CACR_DCM_IMPRE 0x00000300 /* Cache inhibited, imprecise */ +#define CACR_WPROTECT 0x00000020 /* Write protect*/ +#define CACR_EUSP 0x00000010 /* Eanble separate user a7 */ + +/* + * Define the Access Control register flags. + */ +#define ACR_BASE_POS 24 /* Address Base (upper 8 bits) */ +#define ACR_MASK_POS 16 /* Address Mask (next 8 bits) */ +#define ACR_ENABLE 0x00008000 /* Enable this ACR */ +#define ACR_USER 0x00000000 /* Allow only user accesses */ +#define ACR_SUPER 0x00002000 /* Allow supervisor access only */ +#define ACR_ANY 0x00004000 /* Allow any access type */ +#define ACR_CM_WT 0x00000000 /* Cacheable, write-through */ +#define ACR_CM_CB 0x00000020 /* Cacheable, copy-back */ +#define ACR_CM_PRE 0x00000040 /* Cache inhibited, precise */ +#define ACR_CM_IMPRE 0x00000060 /* Cache inhibited, imprecise */ +#define ACR_WPROTECT 0x00000004 /* Write protect region */ + +/* + * Define the cache type and arrangement (needed for pushes). + */ +#if defined(CONFIG_M5307) +#define CACHE_SIZE 0x2000 /* 8k of unified cache */ +#define ICACHE_SIZE CACHE_SIZE +#define DCACHE_SIZE CACHE_SIZE +#elif defined(CONFIG_M532x) +#define CACHE_SIZE 0x4000 /* 32k of unified cache */ +#define ICACHE_SIZE CACHE_SIZE +#define DCACHE_SIZE CACHE_SIZE +#endif + +#define CACHE_LINE_SIZE 16 /* 16 byte line size */ +#define CACHE_WAYS 4 /* 4 ways - set associative */ + +/* + * Set the cache controller settings we will use. This default in the + * CACR is cache inhibited, we use the ACR register to set cacheing + * enabled on the regions we want (eg RAM). + */ +#if defined(CONFIG_CACHE_COPYBACK) +#define CACHE_TYPE ACR_CM_CB +#define CACHE_PUSH +#else +#define CACHE_TYPE ACR_CM_WT +#endif + +#ifdef CONFIG_COLDFIRE_SW_A7 +#define CACHE_MODE (CACR_EC + CACR_ESB + CACR_DCM_PRE) +#else +#define CACHE_MODE (CACR_EC + CACR_ESB + CACR_DCM_PRE + CACR_EUSP) +#endif + +/* + * Unified cache means we will never need to flush for coherency of + * instruction fetch. We will need to flush to maintain memory/DMA + * coherency though in all cases. And for copyback caches we will need + * to push cached data as well. + */ +#define CACHE_INIT CACR_CINVA +#define CACHE_INVALIDATE CACR_CINVA +#define CACHE_INVALIDATED CACR_CINVA + +#define ACR0_MODE ((CONFIG_RAMBASE & 0xff000000) + \ + (0x000f0000) + \ + (ACR_ENABLE + ACR_ANY + CACHE_TYPE)) +#define ACR1_MODE 0 + +/****************************************************************************/ +#endif /* m53xxsim_h */ diff --git a/arch/m68k/include/asm/m5407sim.h b/arch/m68k/include/asm/m5407sim.h index c399abbf953c..762c58c89050 100644 --- a/arch/m68k/include/asm/m5407sim.h +++ b/arch/m68k/include/asm/m5407sim.h @@ -14,6 +14,12 @@ #define m5407sim_h /****************************************************************************/ +#define CPU_NAME "COLDFIRE(m5407)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK (MCF_CLK / 2) + +#include <asm/m54xxacr.h> + /* * Define the 5407 SIM register set addresses. */ @@ -67,16 +73,33 @@ #define MCFSIM_CSMR7 0xd8 /* CS 7 Mask reg (r/w) */ #define MCFSIM_CSCR7 0xde /* CS 7 Control reg (r/w) */ -#define MCFSIM_DCR 0x100 /* DRAM Control reg (r/w) */ -#define MCFSIM_DACR0 0x108 /* DRAM 0 Addr and Ctrl (r/w) */ -#define MCFSIM_DMR0 0x10c /* DRAM 0 Mask reg (r/w) */ -#define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */ -#define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */ +#define MCFSIM_DCR (MCF_MBAR + 0x100) /* DRAM Control */ +#define MCFSIM_DACR0 (MCF_MBAR + 0x108) /* DRAM 0 Addr/Ctrl */ +#define MCFSIM_DMR0 (MCF_MBAR + 0x10c) /* DRAM 0 Mask */ +#define MCFSIM_DACR1 (MCF_MBAR + 0x110) /* DRAM 1 Addr/Ctrl */ +#define MCFSIM_DMR1 (MCF_MBAR + 0x114) /* DRAM 1 Mask */ + +/* + * Timer module. + */ +#define MCFTIMER_BASE1 (MCF_MBAR + 0x140) /* Base of TIMER1 */ +#define MCFTIMER_BASE2 (MCF_MBAR + 0x180) /* Base of TIMER2 */ + +#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */ +#define MCFUART_BASE2 0x200 /* Base address of UART2 */ #define MCFSIM_PADDR (MCF_MBAR + 0x244) #define MCFSIM_PADAT (MCF_MBAR + 0x248) /* + * DMA unit base addresses. + */ +#define MCFDMA_BASE0 (MCF_MBAR + 0x300) /* Base address DMA 0 */ +#define MCFDMA_BASE1 (MCF_MBAR + 0x340) /* Base address DMA 1 */ +#define MCFDMA_BASE2 (MCF_MBAR + 0x380) /* Base address DMA 2 */ +#define MCFDMA_BASE3 (MCF_MBAR + 0x3C0) /* Base address DMA 3 */ + +/* * Generic GPIO support */ #define MCFGPIO_PIN_MAX 16 @@ -117,39 +140,5 @@ #define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */ #define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ -/* - * Define the Cache register flags. - */ -#define CACR_DEC 0x80000000 /* Enable data cache */ -#define CACR_DWP 0x40000000 /* Data write protection */ -#define CACR_DESB 0x20000000 /* Enable data store buffer */ -#define CACR_DDPI 0x10000000 /* Disable CPUSHL */ -#define CACR_DHCLK 0x08000000 /* Half data cache lock mode */ -#define CACR_DDCM_WT 0x00000000 /* Write through cache*/ -#define CACR_DDCM_CP 0x02000000 /* Copyback cache */ -#define CACR_DDCM_P 0x04000000 /* No cache, precise */ -#define CACR_DDCM_IMP 0x06000000 /* No cache, imprecise */ -#define CACR_DCINVA 0x01000000 /* Invalidate data cache */ -#define CACR_BEC 0x00080000 /* Enable branch cache */ -#define CACR_BCINVA 0x00040000 /* Invalidate branch cache */ -#define CACR_IEC 0x00008000 /* Enable instruction cache */ -#define CACR_DNFB 0x00002000 /* Inhibited fill buffer */ -#define CACR_IDPI 0x00001000 /* Disable CPUSHL */ -#define CACR_IHLCK 0x00000800 /* Intruction cache half lock */ -#define CACR_IDCM 0x00000400 /* Intruction cache inhibit */ -#define CACR_ICINVA 0x00000100 /* Invalidate instr cache */ - -#define ACR_BASE_POS 24 /* Address Base */ -#define ACR_MASK_POS 16 /* Address Mask */ -#define ACR_ENABLE 0x00008000 /* Enable address */ -#define ACR_USER 0x00000000 /* User mode access only */ -#define ACR_SUPER 0x00002000 /* Supervisor mode only */ -#define ACR_ANY 0x00004000 /* Match any access mode */ -#define ACR_CM_WT 0x00000000 /* Write through mode */ -#define ACR_CM_CP 0x00000020 /* Copyback mode */ -#define ACR_CM_OFF_PRE 0x00000040 /* No cache, precise */ -#define ACR_CM_OFF_IMP 0x00000060 /* No cache, imprecise */ -#define ACR_WPROTECT 0x00000004 /* Write protect */ - /****************************************************************************/ #endif /* m5407sim_h */ diff --git a/arch/m68k/include/asm/m54xxacr.h b/arch/m68k/include/asm/m54xxacr.h new file mode 100644 index 000000000000..16a1835f9b2a --- /dev/null +++ b/arch/m68k/include/asm/m54xxacr.h @@ -0,0 +1,97 @@ +/* + * Bit definitions for the MCF54xx ACR and CACR registers. + */ + +#ifndef m54xxacr_h +#define m54xxacr_h + +/* + * Define the Cache register flags. + */ +#define CACR_DEC 0x80000000 /* Enable data cache */ +#define CACR_DWP 0x40000000 /* Data write protection */ +#define CACR_DESB 0x20000000 /* Enable data store buffer */ +#define CACR_DDPI 0x10000000 /* Disable invalidation by CPUSHL */ +#define CACR_DHCLK 0x08000000 /* Half data cache lock mode */ +#define CACR_DDCM_WT 0x00000000 /* Write through cache*/ +#define CACR_DDCM_CP 0x02000000 /* Copyback cache */ +#define CACR_DDCM_P 0x04000000 /* No cache, precise */ +#define CACR_DDCM_IMP 0x06000000 /* No cache, imprecise */ +#define CACR_DCINVA 0x01000000 /* Invalidate data cache */ +#define CACR_BEC 0x00080000 /* Enable branch cache */ +#define CACR_BCINVA 0x00040000 /* Invalidate branch cache */ +#define CACR_IEC 0x00008000 /* Enable instruction cache */ +#define CACR_DNFB 0x00002000 /* Inhibited fill buffer */ +#define CACR_IDPI 0x00001000 /* Disable CPUSHL */ +#define CACR_IHLCK 0x00000800 /* Intruction cache half lock */ +#define CACR_IDCM 0x00000400 /* Intruction cache inhibit */ +#define CACR_ICINVA 0x00000100 /* Invalidate instr cache */ +#define CACR_EUSP 0x00000020 /* Enable separate user a7 */ + +#define ACR_BASE_POS 24 /* Address Base */ +#define ACR_MASK_POS 16 /* Address Mask */ +#define ACR_ENABLE 0x00008000 /* Enable address */ +#define ACR_USER 0x00000000 /* User mode access only */ +#define ACR_SUPER 0x00002000 /* Supervisor mode only */ +#define ACR_ANY 0x00004000 /* Match any access mode */ +#define ACR_CM_WT 0x00000000 /* Write through mode */ +#define ACR_CM_CP 0x00000020 /* Copyback mode */ +#define ACR_CM_OFF_PRE 0x00000040 /* No cache, precise */ +#define ACR_CM_OFF_IMP 0x00000060 /* No cache, imprecise */ +#define ACR_CM 0x00000060 /* Cache mode mask */ +#define ACR_WPROTECT 0x00000004 /* Write protect */ + +#if defined(CONFIG_M5407) + +#define ICACHE_SIZE 0x4000 /* instruction - 16k */ +#define DCACHE_SIZE 0x2000 /* data - 8k */ + +#elif defined(CONFIG_M54xx) + +#define ICACHE_SIZE 0x8000 /* instruction - 32k */ +#define DCACHE_SIZE 0x8000 /* data - 32k */ + +#endif + +#define CACHE_LINE_SIZE 0x0010 /* 16 bytes */ +#define CACHE_WAYS 4 /* 4 ways */ + +/* + * Version 4 cores have a true harvard style separate instruction + * and data cache. Enable data and instruction caches, also enable write + * buffers and branch accelerator. + */ +/* attention : enabling CACR_DESB requires a "nop" to flush the store buffer */ +/* use '+' instead of '|' for assembler's sake */ + + /* Enable data cache */ + /* Enable data store buffer */ + /* outside ACRs : No cache, precise */ + /* Enable instruction+branch caches */ +#if defined(CONFIG_M5407) +#define CACHE_MODE (CACR_DEC+CACR_DESB+CACR_DDCM_P+CACR_BEC+CACR_IEC) +#else +#define CACHE_MODE (CACR_DEC+CACR_DESB+CACR_DDCM_P+CACR_BEC+CACR_IEC+CACR_EUSP) +#endif +#if defined(CONFIG_CACHE_COPYBACK) +#define DATA_CACHE_MODE (ACR_ENABLE+ACR_ANY+ACR_CM_CP) +#else +#define DATA_CACHE_MODE (ACR_ENABLE+ACR_ANY+ACR_CM_WT) +#endif +#define INSN_CACHE_MODE (ACR_ENABLE+ACR_ANY) + +#define CACHE_INIT (CACR_DCINVA+CACR_BCINVA+CACR_ICINVA) +#define CACHE_INVALIDATE (CACHE_MODE+CACR_DCINVA+CACR_BCINVA+CACR_ICINVA) +#define CACHE_INVALIDATEI (CACHE_MODE+CACR_BCINVA+CACR_ICINVA) +#define CACHE_INVALIDATED (CACHE_MODE+CACR_DCINVA) +#define ACR0_MODE (0x000f0000+DATA_CACHE_MODE) +#define ACR1_MODE 0 +#define ACR2_MODE (0x000f0000+INSN_CACHE_MODE) +#define ACR3_MODE 0 + +#if ((DATA_CACHE_MODE & ACR_CM) == ACR_CM_CP) +/* Copyback cache mode must push dirty cache lines first */ +#define CACHE_PUSH +#endif + +#endif /* m54xxacr_h */ diff --git a/arch/m68k/include/asm/m548xgpt.h b/arch/m68k/include/asm/m54xxgpt.h index c8ef158a1c4e..df75dd87ae7a 100644 --- a/arch/m68k/include/asm/m548xgpt.h +++ b/arch/m68k/include/asm/m54xxgpt.h @@ -1,13 +1,13 @@ /* - * File: m548xgpt.h - * Purpose: Register and bit definitions for the MCF548X + * File: m54xxgpt.h + * Purpose: Register and bit definitions for the MCF54XX * * Notes: * */ -#ifndef m548xgpt_h -#define m548xgpt_h +#ifndef m54xxgpt_h +#define m54xxgpt_h /********************************************************************* * @@ -59,11 +59,13 @@ #define MCF_GPT_GMS_GPIO_INPUT (0x00000000) #define MCF_GPT_GMS_GPIO_OUTLO (0x00000020) #define MCF_GPT_GMS_GPIO_OUTHI (0x00000030) +#define MCF_GPT_GMS_GPIO_MASK (0x00000030) #define MCF_GPT_GMS_TMS_DISABLE (0x00000000) #define MCF_GPT_GMS_TMS_INCAPT (0x00000001) #define MCF_GPT_GMS_TMS_OUTCAPT (0x00000002) #define MCF_GPT_GMS_TMS_PWM (0x00000003) #define MCF_GPT_GMS_TMS_GPIO (0x00000004) +#define MCF_GPT_GMS_TMS_MASK (0x00000007) /* Bit definitions and macros for MCF_GPT_GCIR */ #define MCF_GPT_GCIR_CNT(x) (((x)&0x0000FFFF)<<0) @@ -85,4 +87,4 @@ /********************************************************************/ -#endif /* m548xgpt_h */ +#endif /* m54xxgpt_h */ diff --git a/arch/m68k/include/asm/m548xsim.h b/arch/m68k/include/asm/m54xxsim.h index 149135ef30d2..1ed8bfb02772 100644 --- a/arch/m68k/include/asm/m548xsim.h +++ b/arch/m68k/include/asm/m54xxsim.h @@ -1,16 +1,23 @@ /* - * m548xsim.h -- ColdFire 547x/548x System Integration Unit support. + * m54xxsim.h -- ColdFire 547x/548x System Integration Unit support. */ -#ifndef m548xsim_h -#define m548xsim_h +#ifndef m54xxsim_h +#define m54xxsim_h -#define MCFINT_VECBASE 64 +#define CPU_NAME "COLDFIRE(m54xx)" +#define CPU_INSTR_PER_JIFFY 2 +#define MCF_BUSCLK (MCF_CLK / 2) + +#include <asm/m54xxacr.h> + +#define MCFINT_VECBASE 64 /* * Interrupt Controller Registers */ -#define MCFICM_INTC0 0x0700 /* Base for Interrupt Ctrl 0 */ +#define MCFICM_INTC0 (MCF_MBAR + 0x700) /* Base for Interrupt Ctrl 0 */ + #define MCFINTC_IPRH 0x00 /* Interrupt pending 32-63 */ #define MCFINTC_IPRL 0x04 /* Interrupt pending 1-31 */ #define MCFINTC_IMRH 0x08 /* Interrupt mask 32-63 */ @@ -22,6 +29,14 @@ #define MCFINTC_ICR0 0x40 /* Base ICR register */ /* + * UART module. + */ +#define MCFUART_BASE1 0x8600 /* Base address of UART1 */ +#define MCFUART_BASE2 0x8700 /* Base address of UART2 */ +#define MCFUART_BASE3 0x8800 /* Base address of UART3 */ +#define MCFUART_BASE4 0x8900 /* Base address of UART4 */ + +/* * Define system peripheral IRQ usage. */ #define MCF_IRQ_TIMER (64 + 54) /* Slice Timer 0 */ @@ -35,6 +50,16 @@ #define MCFGPIO_IRQ_VECBASE -1 /* + * EDGE Port support. + */ +#define MCFEPORT_EPPAR (MCF_MBAR + 0xf00) /* Pin assignment */ +#define MCFEPORT_EPDDR (MCF_MBAR + 0xf04) /* Data direction */ +#define MCFEPORT_EPIER (MCF_MBAR + 0xf05) /* Interrupt enable */ +#define MCFEPORT_EPDR (MCF_MBAR + 0xf08) /* Port data (w) */ +#define MCFEPORT_EPPDR (MCF_MBAR + 0xf09) /* Port data (r) */ +#define MCFEPORT_EPFR (MCF_MBAR + 0xf0c) /* Flags */ + +/* * Some PSC related definitions */ #define MCF_PAR_PSC(x) (0x000A4F-((x)&0x3)) @@ -52,4 +77,4 @@ #define MCF_PAR_PSC_RTS_RTS (0x30) #define MCF_PAR_PSC_CANRX (0x40) -#endif /* m548xsim_h */ +#endif /* m54xxsim_h */ diff --git a/arch/m68k/include/asm/mcfcache.h b/arch/m68k/include/asm/mcfcache.h deleted file mode 100644 index f49dfc09f70a..000000000000 --- a/arch/m68k/include/asm/mcfcache.h +++ /dev/null @@ -1,150 +0,0 @@ -/****************************************************************************/ - -/* - * mcfcache.h -- ColdFire CPU cache support code - * - * (C) Copyright 2004, Greg Ungerer <gerg@snapgear.com> - */ - -/****************************************************************************/ -#ifndef __M68KNOMMU_MCFCACHE_H -#define __M68KNOMMU_MCFCACHE_H -/****************************************************************************/ - - -/* - * The different ColdFire families have different cache arrangments. - * Everything from a small instruction only cache, to configurable - * data and/or instruction cache, to unified instruction/data, to - * harvard style separate instruction and data caches. - */ - -#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272) -/* - * Simple version 2 core cache. These have instruction cache only, - * we just need to invalidate it and enable it. - */ -.macro CACHE_ENABLE - movel #0x01000000,%d0 /* invalidate cache cmd */ - movec %d0,%CACR /* do invalidate cache */ - movel #0x80000100,%d0 /* setup cache mask */ - movec %d0,%CACR /* enable cache */ -.endm -#endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */ - -#if defined(CONFIG_M523x) || defined(CONFIG_M527x) -/* - * New version 2 cores have a configurable split cache arrangement. - * For now I am just enabling instruction cache - but ultimately I - * think a split instruction/data cache would be better. - */ -.macro CACHE_ENABLE - movel #0x01400000,%d0 - movec %d0,%CACR /* invalidate cache */ - nop - movel #0x0000c000,%d0 /* set SDRAM cached only */ - movec %d0,%ACR0 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0,%ACR1 - movel #0x80400100,%d0 /* configure cache */ - movec %d0,%CACR /* enable cache */ - nop -.endm -#endif /* CONFIG_M523x || CONFIG_M527x */ - -#if defined(CONFIG_M528x) -.macro CACHE_ENABLE - nop - movel #0x01000000, %d0 - movec %d0, %CACR /* Invalidate cache */ - nop - movel #0x0000c020, %d0 /* Set SDRAM cached only */ - movec %d0, %ACR0 - movel #0x00000000, %d0 /* No other regions cached */ - movec %d0, %ACR1 - movel #0x80000200, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ - nop -.endm -#endif /* CONFIG_M528x */ - -#if defined(CONFIG_M5249) || defined(CONFIG_M5307) -/* - * The version 3 core cache. Oddly enough the version 2 core 5249 - * has the same SDRAM and cache setup as the version 3 cores. - * This is a single unified instruction/data cache. - */ -.macro CACHE_ENABLE - movel #0x01000000,%d0 /* invalidate whole cache */ - movec %d0,%CACR - nop -#if defined(DEBUGGER_COMPATIBLE_CACHE) || defined(CONFIG_SECUREEDGEMP3) - movel #0x0000c000,%d0 /* set SDRAM cached (write-thru) */ -#else - movel #0x0000c020,%d0 /* set SDRAM cached (copyback) */ -#endif - movec %d0,%ACR0 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0,%ACR1 - movel #0xa0000200,%d0 /* enable cache */ - movec %d0,%CACR - nop -.endm -#endif /* CONFIG_M5249 || CONFIG_M5307 */ - -#if defined(CONFIG_M532x) -.macro CACHE_ENABLE - movel #0x01000000,%d0 /* invalidate cache cmd */ - movec %d0,%CACR /* do invalidate cache */ - nop - movel #0x4001C000,%d0 /* set SDRAM cached (write-thru) */ - movec %d0,%ACR0 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0,%ACR1 - movel #0x80000200,%d0 /* setup cache mask */ - movec %d0,%CACR /* enable cache */ - nop -.endm -#endif /* CONFIG_M532x */ - -#if defined(CONFIG_M5407) || defined(CONFIG_M548x) -/* - * Version 4 cores have a true harvard style separate instruction - * and data cache. Invalidate and enable cache, also enable write - * buffers and branch accelerator. - */ -.macro CACHE_ENABLE - movel #0x01040100,%d0 /* invalidate whole cache */ - movec %d0,%CACR - nop - movel #0x000fc000,%d0 /* set SDRAM cached only */ - movec %d0, %ACR0 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0, %ACR1 - movel #0x000fc000,%d0 /* set SDRAM cached only */ - movec %d0, %ACR2 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0, %ACR3 - movel #0xb6088400,%d0 /* enable caches */ - movec %d0,%CACR - nop -.endm -#endif /* CONFIG_M5407 */ - -#if defined(CONFIG_M520x) -.macro CACHE_ENABLE - move.l #0x01000000,%d0 /* invalidate whole cache */ - movec %d0,%CACR - nop - move.l #0x0000c000,%d0 /* set SDRAM cached (write-thru) */ - movec %d0,%ACR0 - move.l #0x00000000,%d0 /* no other regions cached */ - movec %d0,%ACR1 - move.l #0x80400000,%d0 /* enable 8K instruction cache */ - movec %d0,%CACR - nop -.endm -#endif /* CONFIG_M520x */ - -/****************************************************************************/ -#endif /* __M68KNOMMU_MCFCACHE_H */ diff --git a/arch/m68k/include/asm/mcfdma.h b/arch/m68k/include/asm/mcfdma.h index 705c52c79cd8..10bc7e391c14 100644 --- a/arch/m68k/include/asm/mcfdma.h +++ b/arch/m68k/include/asm/mcfdma.h @@ -11,29 +11,6 @@ #define mcfdma_h /****************************************************************************/ - -/* - * Get address specific defines for this Coldfire member. - */ -#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) -#define MCFDMA_BASE0 0x200 /* Base address of DMA 0 */ -#define MCFDMA_BASE1 0x240 /* Base address of DMA 1 */ -#elif defined(CONFIG_M5272) -#define MCFDMA_BASE0 0x0e0 /* Base address of DMA 0 */ -#elif defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) -/* These are relative to the IPSBAR, not MBAR */ -#define MCFDMA_BASE0 0x100 /* Base address of DMA 0 */ -#define MCFDMA_BASE1 0x140 /* Base address of DMA 1 */ -#define MCFDMA_BASE2 0x180 /* Base address of DMA 2 */ -#define MCFDMA_BASE3 0x1C0 /* Base address of DMA 3 */ -#elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407) -#define MCFDMA_BASE0 0x300 /* Base address of DMA 0 */ -#define MCFDMA_BASE1 0x340 /* Base address of DMA 1 */ -#define MCFDMA_BASE2 0x380 /* Base address of DMA 2 */ -#define MCFDMA_BASE3 0x3C0 /* Base address of DMA 3 */ -#endif - - #if !defined(CONFIG_M5272) /* diff --git a/arch/m68k/include/asm/mcfpit.h b/arch/m68k/include/asm/mcfpit.h index f570cf64fd29..9fd321ca0725 100644 --- a/arch/m68k/include/asm/mcfpit.h +++ b/arch/m68k/include/asm/mcfpit.h @@ -11,22 +11,8 @@ #define mcfpit_h /****************************************************************************/ - -/* - * Get address specific defines for the 5270/5271, 5280/5282, and 5208. - */ -#if defined(CONFIG_M520x) -#define MCFPIT_BASE1 0x00080000 /* Base address of TIMER1 */ -#define MCFPIT_BASE2 0x00084000 /* Base address of TIMER2 */ -#else -#define MCFPIT_BASE1 0x00150000 /* Base address of TIMER1 */ -#define MCFPIT_BASE2 0x00160000 /* Base address of TIMER2 */ -#define MCFPIT_BASE3 0x00170000 /* Base address of TIMER3 */ -#define MCFPIT_BASE4 0x00180000 /* Base address of TIMER4 */ -#endif - /* - * Define the PIT timer register set addresses. + * Define the PIT timer register address offsets. */ #define MCFPIT_PCSR 0x0 /* PIT control register */ #define MCFPIT_PMR 0x2 /* PIT modulus register */ diff --git a/arch/m68k/include/asm/mcfsim.h b/arch/m68k/include/asm/mcfsim.h index 6901fd68165b..ebd0304054ad 100644 --- a/arch/m68k/include/asm/mcfsim.h +++ b/arch/m68k/include/asm/mcfsim.h @@ -41,8 +41,8 @@ #elif defined(CONFIG_M5407) #include <asm/m5407sim.h> #include <asm/mcfintc.h> -#elif defined(CONFIG_M548x) -#include <asm/m548xsim.h> +#elif defined(CONFIG_M54xx) +#include <asm/m54xxsim.h> #endif /****************************************************************************/ diff --git a/arch/m68k/include/asm/mcftimer.h b/arch/m68k/include/asm/mcftimer.h index 0f90f6d2227a..92b276fe8240 100644 --- a/arch/m68k/include/asm/mcftimer.h +++ b/arch/m68k/include/asm/mcftimer.h @@ -12,29 +12,6 @@ #define mcftimer_h /****************************************************************************/ - -/* - * Get address specific defines for this ColdFire member. - */ -#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) -#define MCFTIMER_BASE1 0x100 /* Base address of TIMER1 */ -#define MCFTIMER_BASE2 0x120 /* Base address of TIMER2 */ -#elif defined(CONFIG_M5272) -#define MCFTIMER_BASE1 0x200 /* Base address of TIMER1 */ -#define MCFTIMER_BASE2 0x220 /* Base address of TIMER2 */ -#define MCFTIMER_BASE3 0x240 /* Base address of TIMER4 */ -#define MCFTIMER_BASE4 0x260 /* Base address of TIMER3 */ -#elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407) -#define MCFTIMER_BASE1 0x140 /* Base address of TIMER1 */ -#define MCFTIMER_BASE2 0x180 /* Base address of TIMER2 */ -#elif defined(CONFIG_M532x) -#define MCFTIMER_BASE1 0xfc070000 /* Base address of TIMER1 */ -#define MCFTIMER_BASE2 0xfc074000 /* Base address of TIMER2 */ -#define MCFTIMER_BASE3 0xfc078000 /* Base address of TIMER3 */ -#define MCFTIMER_BASE4 0xfc07c000 /* Base address of TIMER4 */ -#endif - - /* * Define the TIMER register set addresses. */ diff --git a/arch/m68k/include/asm/mcfuart.h b/arch/m68k/include/asm/mcfuart.h index db72e2b889ca..2abedff0a694 100644 --- a/arch/m68k/include/asm/mcfuart.h +++ b/arch/m68k/include/asm/mcfuart.h @@ -12,49 +12,6 @@ #define mcfuart_h /****************************************************************************/ -/* - * Define the base address of the UARTS within the MBAR address - * space. - */ -#if defined(CONFIG_M5272) -#define MCFUART_BASE1 0x100 /* Base address of UART1 */ -#define MCFUART_BASE2 0x140 /* Base address of UART2 */ -#elif defined(CONFIG_M5206) || defined(CONFIG_M5206e) -#if defined(CONFIG_NETtel) -#define MCFUART_BASE1 0x180 /* Base address of UART1 */ -#define MCFUART_BASE2 0x140 /* Base address of UART2 */ -#else -#define MCFUART_BASE1 0x140 /* Base address of UART1 */ -#define MCFUART_BASE2 0x180 /* Base address of UART2 */ -#endif -#elif defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) -#define MCFUART_BASE1 0x200 /* Base address of UART1 */ -#define MCFUART_BASE2 0x240 /* Base address of UART2 */ -#define MCFUART_BASE3 0x280 /* Base address of UART3 */ -#elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407) -#if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3) -#define MCFUART_BASE1 0x200 /* Base address of UART1 */ -#define MCFUART_BASE2 0x1c0 /* Base address of UART2 */ -#else -#define MCFUART_BASE1 0x1c0 /* Base address of UART1 */ -#define MCFUART_BASE2 0x200 /* Base address of UART2 */ -#endif -#elif defined(CONFIG_M520x) -#define MCFUART_BASE1 0x60000 /* Base address of UART1 */ -#define MCFUART_BASE2 0x64000 /* Base address of UART2 */ -#define MCFUART_BASE3 0x68000 /* Base address of UART2 */ -#elif defined(CONFIG_M532x) -#define MCFUART_BASE1 0xfc060000 /* Base address of UART1 */ -#define MCFUART_BASE2 0xfc064000 /* Base address of UART2 */ -#define MCFUART_BASE3 0xfc068000 /* Base address of UART3 */ -#elif defined(CONFIG_M548x) -#define MCFUART_BASE1 0x8600 /* on M548x */ -#define MCFUART_BASE2 0x8700 /* on M548x */ -#define MCFUART_BASE3 0x8800 /* on M548x */ -#define MCFUART_BASE4 0x8900 /* on M548x */ -#endif - - #include <linux/serial_core.h> #include <linux/platform_device.h> @@ -217,7 +174,7 @@ struct mcf_platform_uart { #define MCFUART_URF_RXS 0xc0 /* Receiver status */ #endif -#if defined(CONFIG_M548x) +#if defined(CONFIG_M54xx) #define MCFUART_TXFIFOSIZE 512 #elif defined(CONFIG_M5272) #define MCFUART_TXFIFOSIZE 25 diff --git a/arch/m68k/include/asm/natfeat.h b/arch/m68k/include/asm/natfeat.h new file mode 100644 index 000000000000..a3521b80c3b9 --- /dev/null +++ b/arch/m68k/include/asm/natfeat.h @@ -0,0 +1,22 @@ +/* + * ARAnyM hardware support via Native Features (natfeats) + * + * Copyright (c) 2005 Petr Stehlik of ARAnyM dev team + * + * This software may be used and distributed according to the terms of + * the GNU General Public License (GPL), incorporated herein by reference. + */ + +#ifndef _NATFEAT_H +#define _NATFEAT_H + +long nf_get_id(const char *feature_name); +long nf_call(long id, ...); + +void nf_init(void); +void nf_shutdown(void); + +void nfprint(const char *fmt, ...) + __attribute__ ((format (printf, 1, 2))); + +# endif /* _NATFEAT_H */ diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h index 7a6a7590cc02..f111b02b704f 100644 --- a/arch/m68k/include/asm/processor.h +++ b/arch/m68k/include/asm/processor.h @@ -20,23 +20,26 @@ static inline unsigned long rdusp(void) { -#ifdef CONFIG_COLDFIRE +#ifdef CONFIG_COLDFIRE_SW_A7 extern unsigned int sw_usp; return sw_usp; #else - unsigned long usp; - __asm__ __volatile__("move %/usp,%0" : "=a" (usp)); + register unsigned long usp __asm__("a0"); + /* move %usp,%a0 */ + __asm__ __volatile__(".word 0x4e68" : "=a" (usp)); return usp; #endif } static inline void wrusp(unsigned long usp) { -#ifdef CONFIG_COLDFIRE +#ifdef CONFIG_COLDFIRE_SW_A7 extern unsigned int sw_usp; sw_usp = usp; #else - __asm__ __volatile__("move %0,%/usp" : : "a" (usp)); + register unsigned long a0 __asm__("a0") = usp; + /* move %a0,%usp */ + __asm__ __volatile__(".word 0x4e60" : : "a" (a0) ); #endif } @@ -110,6 +113,8 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc, wrusp(usp); } +extern int handle_kernel_fault(struct pt_regs *regs); + #else /* diff --git a/arch/m68k/include/asm/string.h b/arch/m68k/include/asm/string.h index 2936dda938d7..32198454da70 100644 --- a/arch/m68k/include/asm/string.h +++ b/arch/m68k/include/asm/string.h @@ -81,18 +81,6 @@ static inline char *strncpy(char *dest, const char *src, size_t n) strcpy(__d + strlen(__d), (s)); \ }) -#define __HAVE_ARCH_STRCHR -static inline char *strchr(const char *s, int c) -{ - char sc, ch = c; - - for (; (sc = *s++) != ch; ) { - if (!sc) - return NULL; - } - return (char *)s - 1; -} - #ifndef CONFIG_COLDFIRE #define __HAVE_ARCH_STRCMP static inline int strcmp(const char *cs, const char *ct) @@ -111,14 +99,12 @@ static inline int strcmp(const char *cs, const char *ct) : "+a" (cs), "+a" (ct), "=d" (res)); return res; } +#endif /* CONFIG_COLDFIRE */ #define __HAVE_ARCH_MEMMOVE extern void *memmove(void *, const void *, __kernel_size_t); -#define __HAVE_ARCH_MEMCMP -extern int memcmp(const void *, const void *, __kernel_size_t); #define memcmp(d, s, n) __builtin_memcmp(d, s, n) -#endif /* CONFIG_COLDFIRE */ #define __HAVE_ARCH_MEMSET extern void *memset(void *, int, __kernel_size_t); diff --git a/arch/m68k/include/asm/sun3_pgtable.h b/arch/m68k/include/asm/sun3_pgtable.h index cf5fad9b5250..f55aa04161e8 100644 --- a/arch/m68k/include/asm/sun3_pgtable.h +++ b/arch/m68k/include/asm/sun3_pgtable.h @@ -217,9 +217,8 @@ static inline pte_t pgoff_to_pte(unsigned off) /* Find an entry in the third-level pagetable. */ #define pte_index(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE-1)) #define pte_offset_kernel(pmd, address) ((pte_t *) __pmd_page(*pmd) + pte_index(address)) -/* FIXME: should we bother with kmap() here? */ -#define pte_offset_map(pmd, address) ((pte_t *)kmap(pmd_page(*pmd)) + pte_index(address)) -#define pte_unmap(pte) kunmap(pte) +#define pte_offset_map(pmd, address) ((pte_t *)page_address(pmd_page(*pmd)) + pte_index(address)) +#define pte_unmap(pte) do { } while (0) /* Macros to (de)construct the fake PTEs representing swap pages. */ #define __swp_type(x) ((x).val & 0x7F) diff --git a/arch/m68k/include/asm/thread_info.h b/arch/m68k/include/asm/thread_info.h index 1da5d53a00eb..790988967ba7 100644 --- a/arch/m68k/include/asm/thread_info.h +++ b/arch/m68k/include/asm/thread_info.h @@ -104,5 +104,6 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SYSCALL_TRACE 15 /* syscall trace active */ #define TIF_MEMDIE 16 /* is terminating due to OOM killer */ #define TIF_FREEZE 17 /* thread is freezing for suspend */ +#define TIF_RESTORE_SIGMASK 18 /* restore signal mask in do_signal */ #endif /* _ASM_M68K_THREAD_INFO_H */ diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index b43b36beafe3..26d851d385bb 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -373,6 +373,7 @@ #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_RT_SIGACTION +#define __ARCH_WANT_SYS_RT_SIGSUSPEND /* * "Conditional" syscalls diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 6360c437dcf5..1559dea36e55 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -99,7 +99,10 @@ do_trace_exit: jra .Lret_from_exception ENTRY(ret_from_signal) - RESTORE_SWITCH_STACK + tstb %curptr@(TASK_INFO+TINFO_FLAGS+2) + jge 1f + jbsr syscall_trace +1: RESTORE_SWITCH_STACK addql #4,%sp /* on 68040 complete pending writebacks if any */ #ifdef CONFIG_M68040 @@ -174,16 +177,11 @@ do_signal_return: subql #4,%sp | dummy return address SAVE_SWITCH_STACK pea %sp@(SWITCH_STACK_SIZE) - clrl %sp@- bsrl do_signal - addql #8,%sp + addql #4,%sp RESTORE_SWITCH_STACK addql #4,%sp - tstl %d0 - jeq resume_userspace - | when single stepping into handler stop at the first insn - btst #6,%curptr@(TASK_INFO+TINFO_FLAGS+2) - jeq resume_userspace + jbra resume_userspace do_delayed_trace: bclr #7,%sp@(PT_OFF_SR) | clear trace bit in SR @@ -290,22 +288,6 @@ ENTRY(sys_vfork) RESTORE_SWITCH_STACK rts -ENTRY(sys_sigsuspend) - SAVE_SWITCH_STACK - pea %sp@(SWITCH_STACK_SIZE) - jbsr do_sigsuspend - addql #4,%sp - RESTORE_SWITCH_STACK - rts - -ENTRY(sys_rt_sigsuspend) - SAVE_SWITCH_STACK - pea %sp@(SWITCH_STACK_SIZE) - jbsr do_rt_sigsuspend - addql #4,%sp - RESTORE_SWITCH_STACK - rts - ENTRY(sys_sigreturn) SAVE_SWITCH_STACK jbsr do_sigreturn diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c index b3963ab3d149..334d83640376 100644 --- a/arch/m68k/kernel/setup.c +++ b/arch/m68k/kernel/setup.c @@ -42,6 +42,7 @@ #ifdef CONFIG_SUN3X #include <asm/dvma.h> #endif +#include <asm/natfeat.h> #if !FPSTATESIZE || !NR_IRQS #warning No CPU/platform type selected, your kernel will not work! @@ -324,6 +325,10 @@ void __init setup_arch(char **cmdline_p) panic("No configuration setup"); } +#ifdef CONFIG_NATFEAT + nf_init(); +#endif + paging_init(); #ifndef CONFIG_SUN3 diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index 4b387538706f..a0afc239304e 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -42,6 +42,7 @@ #include <linux/personality.h> #include <linux/tty.h> #include <linux/binfmts.h> +#include <linux/module.h> #include <asm/setup.h> #include <asm/uaccess.h> @@ -51,9 +52,7 @@ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) -asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs); - -const int frame_extra_sizes[16] = { +static const int frame_extra_sizes[16] = { [1] = -1, /* sizeof(((struct frame *)0)->un.fmt1), */ [2] = sizeof(((struct frame *)0)->un.fmt2), [3] = sizeof(((struct frame *)0)->un.fmt3), @@ -71,54 +70,45 @@ const int frame_extra_sizes[16] = { [15] = -1, /* sizeof(((struct frame *)0)->un.fmtf), */ }; -/* - * Atomically swap in the new signal mask, and wait for a signal. - */ -asmlinkage int do_sigsuspend(struct pt_regs *regs) +int handle_kernel_fault(struct pt_regs *regs) { - old_sigset_t mask = regs->d3; - sigset_t saveset; + const struct exception_table_entry *fixup; + struct pt_regs *tregs; - mask &= _BLOCKABLE; - saveset = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); + /* Are we prepared to handle this kernel fault? */ + fixup = search_exception_tables(regs->pc); + if (!fixup) + return 0; - regs->d0 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(&saveset, regs)) - return -EINTR; - } + /* Create a new four word stack frame, discarding the old one. */ + regs->stkadj = frame_extra_sizes[regs->format]; + tregs = (struct pt_regs *)((long)regs + regs->stkadj); + tregs->vector = regs->vector; + tregs->format = 0; + tregs->pc = fixup->fixup; + tregs->sr = regs->sr; + + return 1; } +/* + * Atomically swap in the new signal mask, and wait for a signal. + */ asmlinkage int -do_rt_sigsuspend(struct pt_regs *regs) +sys_sigsuspend(int unused0, int unused1, old_sigset_t mask) { - sigset_t __user *unewset = (sigset_t __user *)regs->d1; - size_t sigsetsize = (size_t)regs->d2; - sigset_t saveset, newset; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; - - if (copy_from_user(&newset, unewset, sizeof(newset))) - return -EFAULT; - sigdelsetmask(&newset, ~_BLOCKABLE); - - saveset = current->blocked; - current->blocked = newset; + mask &= _BLOCKABLE; + spin_lock_irq(¤t->sighand->siglock); + current->saved_sigmask = current->blocked; + siginitset(¤t->blocked, mask); recalc_sigpending(); + spin_unlock_irq(¤t->sighand->siglock); - regs->d0 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(&saveset, regs)) - return -EINTR; - } + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_restore_sigmask(); + + return -ERESTARTNOHAND; } asmlinkage int @@ -132,10 +122,10 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, old_sigset_t mask; if (!access_ok(VERIFY_READ, act, sizeof(*act)) || __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) + __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) || + __get_user(new_ka.sa.sa_flags, &act->sa_flags) || + __get_user(mask, &act->sa_mask)) return -EFAULT; - __get_user(new_ka.sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); siginitset(&new_ka.sa.sa_mask, mask); } @@ -144,10 +134,10 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, if (!ret && oact) { if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) + __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) || + __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || + __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) return -EFAULT; - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); } return ret; @@ -318,36 +308,10 @@ out: return err; } -static inline int -restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __user *fp, - int *pd0) +static int mangle_kernel_stack(struct pt_regs *regs, int formatvec, + void __user *fp) { - int fsize, formatvec; - struct sigcontext context; - int err; - - /* Always make any pending restarted system calls return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; - - /* get previous context */ - if (copy_from_user(&context, usc, sizeof(context))) - goto badframe; - - /* restore passed registers */ - regs->d1 = context.sc_d1; - regs->a0 = context.sc_a0; - regs->a1 = context.sc_a1; - regs->sr = (regs->sr & 0xff00) | (context.sc_sr & 0xff); - regs->pc = context.sc_pc; - regs->orig_d0 = -1; /* disable syscall checks */ - wrusp(context.sc_usp); - formatvec = context.sc_formatvec; - regs->format = formatvec >> 12; - regs->vector = formatvec & 0xfff; - - err = restore_fpu_state(&context); - - fsize = frame_extra_sizes[regs->format]; + int fsize = frame_extra_sizes[formatvec >> 12]; if (fsize < 0) { /* * user process trying to return with weird frame format @@ -355,16 +319,22 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __u #ifdef DEBUG printk("user process returning with weird frame format\n"); #endif - goto badframe; + return 1; } + if (!fsize) { + regs->format = formatvec >> 12; + regs->vector = formatvec & 0xfff; + } else { + struct switch_stack *sw = (struct switch_stack *)regs - 1; + unsigned long buf[fsize / 2]; /* yes, twice as much */ - /* OK. Make room on the supervisor stack for the extra junk, - * if necessary. - */ + /* that'll make sure that expansion won't crap over data */ + if (copy_from_user(buf + fsize / 4, fp, fsize)) + return 1; - if (fsize) { - struct switch_stack *sw = (struct switch_stack *)regs - 1; - regs->d0 = context.sc_d0; + /* point of no return */ + regs->format = formatvec >> 12; + regs->vector = formatvec & 0xfff; #define frame_offset (sizeof(struct pt_regs)+sizeof(struct switch_stack)) __asm__ __volatile__ (" movel %0,%/a0\n\t" @@ -376,30 +346,50 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __u " lea %/sp@(%c3),%/a0\n\t" /* add offset of fmt */ " lsrl #2,%1\n\t" " subql #1,%1\n\t" - "2: movesl %4@+,%2\n\t" - "3: movel %2,%/a0@+\n\t" + /* copy to the gap we'd made */ + "2: movel %4@+,%/a0@+\n\t" " dbra %1,2b\n\t" " bral ret_from_signal\n" - "4:\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 2b,4b\n" - " .long 3b,4b\n" - ".previous" : /* no outputs, it doesn't ever return */ : "a" (sw), "d" (fsize), "d" (frame_offset/4-1), - "n" (frame_offset), "a" (fp) + "n" (frame_offset), "a" (buf + fsize/4) : "a0"); #undef frame_offset - /* - * If we ever get here an exception occurred while - * building the above stack-frame. - */ - goto badframe; } + return 0; +} - *pd0 = context.sc_d0; - return err; +static inline int +restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __user *fp) +{ + int formatvec; + struct sigcontext context; + int err; + + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + + /* get previous context */ + if (copy_from_user(&context, usc, sizeof(context))) + goto badframe; + + /* restore passed registers */ + regs->d0 = context.sc_d0; + regs->d1 = context.sc_d1; + regs->a0 = context.sc_a0; + regs->a1 = context.sc_a1; + regs->sr = (regs->sr & 0xff00) | (context.sc_sr & 0xff); + regs->pc = context.sc_pc; + regs->orig_d0 = -1; /* disable syscall checks */ + wrusp(context.sc_usp); + formatvec = context.sc_formatvec; + + err = restore_fpu_state(&context); + + if (err || mangle_kernel_stack(regs, formatvec, fp)) + goto badframe; + + return 0; badframe: return 1; @@ -407,9 +397,9 @@ badframe: static inline int rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw, - struct ucontext __user *uc, int *pd0) + struct ucontext __user *uc) { - int fsize, temp; + int temp; greg_t __user *gregs = uc->uc_mcontext.gregs; unsigned long usp; int err; @@ -443,65 +433,16 @@ rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw, regs->sr = (regs->sr & 0xff00) | (temp & 0xff); regs->orig_d0 = -1; /* disable syscall checks */ err |= __get_user(temp, &uc->uc_formatvec); - regs->format = temp >> 12; - regs->vector = temp & 0xfff; err |= rt_restore_fpu_state(uc); - if (do_sigaltstack(&uc->uc_stack, NULL, usp) == -EFAULT) + if (err || do_sigaltstack(&uc->uc_stack, NULL, usp) == -EFAULT) goto badframe; - fsize = frame_extra_sizes[regs->format]; - if (fsize < 0) { - /* - * user process trying to return with weird frame format - */ -#ifdef DEBUG - printk("user process returning with weird frame format\n"); -#endif + if (mangle_kernel_stack(regs, temp, &uc->uc_extra)) goto badframe; - } - - /* OK. Make room on the supervisor stack for the extra junk, - * if necessary. - */ - if (fsize) { -#define frame_offset (sizeof(struct pt_regs)+sizeof(struct switch_stack)) - __asm__ __volatile__ - (" movel %0,%/a0\n\t" - " subl %1,%/a0\n\t" /* make room on stack */ - " movel %/a0,%/sp\n\t" /* set stack pointer */ - /* move switch_stack and pt_regs */ - "1: movel %0@+,%/a0@+\n\t" - " dbra %2,1b\n\t" - " lea %/sp@(%c3),%/a0\n\t" /* add offset of fmt */ - " lsrl #2,%1\n\t" - " subql #1,%1\n\t" - "2: movesl %4@+,%2\n\t" - "3: movel %2,%/a0@+\n\t" - " dbra %1,2b\n\t" - " bral ret_from_signal\n" - "4:\n" - ".section __ex_table,\"a\"\n" - " .align 4\n" - " .long 2b,4b\n" - " .long 3b,4b\n" - ".previous" - : /* no outputs, it doesn't ever return */ - : "a" (sw), "d" (fsize), "d" (frame_offset/4-1), - "n" (frame_offset), "a" (&uc->uc_extra) - : "a0"); -#undef frame_offset - /* - * If we ever get here an exception occurred while - * building the above stack-frame. - */ - goto badframe; - } - - *pd0 = regs->d0; - return err; + return 0; badframe: return 1; @@ -514,7 +455,6 @@ asmlinkage int do_sigreturn(unsigned long __unused) unsigned long usp = rdusp(); struct sigframe __user *frame = (struct sigframe __user *)(usp - 4); sigset_t set; - int d0; if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) goto badframe; @@ -528,9 +468,9 @@ asmlinkage int do_sigreturn(unsigned long __unused) current->blocked = set; recalc_sigpending(); - if (restore_sigcontext(regs, &frame->sc, frame + 1, &d0)) + if (restore_sigcontext(regs, &frame->sc, frame + 1)) goto badframe; - return d0; + return regs->d0; badframe: force_sig(SIGSEGV, current); @@ -544,7 +484,6 @@ asmlinkage int do_rt_sigreturn(unsigned long __unused) unsigned long usp = rdusp(); struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(usp - 4); sigset_t set; - int d0; if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) goto badframe; @@ -555,9 +494,9 @@ asmlinkage int do_rt_sigreturn(unsigned long __unused) current->blocked = set; recalc_sigpending(); - if (rt_restore_ucontext(regs, sw, &frame->uc, &d0)) + if (rt_restore_ucontext(regs, sw, &frame->uc)) goto badframe; - return d0; + return regs->d0; badframe: force_sig(SIGSEGV, current); @@ -775,7 +714,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) return (void __user *)((usp - frame_size) & -8UL); } -static void setup_frame (int sig, struct k_sigaction *ka, +static int setup_frame (int sig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *regs) { struct sigframe __user *frame; @@ -793,10 +732,8 @@ static void setup_frame (int sig, struct k_sigaction *ka, frame = get_sigframe(ka, regs, sizeof(*frame) + fsize); - if (fsize) { + if (fsize) err |= copy_to_user (frame + 1, regs + 1, fsize); - regs->stkadj = fsize; - } err |= __put_user((current_thread_info()->exec_domain && current_thread_info()->exec_domain->signal_invmap @@ -826,11 +763,21 @@ static void setup_frame (int sig, struct k_sigaction *ka, push_cache ((unsigned long) &frame->retcode); - /* Set up registers for signal handler */ + /* + * Set up registers for signal handler. All the state we are about + * to destroy is successfully copied to sigframe. + */ wrusp ((unsigned long) frame); regs->pc = (unsigned long) ka->sa.sa_handler; -adjust_stack: + /* + * This is subtle; if we build more than one sigframe, all but the + * first one will see frame format 0 and have fsize == 0, so we won't + * screw stkadj. + */ + if (fsize) + regs->stkadj = fsize; + /* Prepare to skip over the extra stuff in the exception frame. */ if (regs->stkadj) { struct pt_regs *tregs = @@ -845,14 +792,14 @@ adjust_stack: tregs->pc = regs->pc; tregs->sr = regs->sr; } - return; + return 0; give_sigsegv: force_sigsegv(sig, current); - goto adjust_stack; + return err; } -static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, +static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, struct pt_regs *regs) { struct rt_sigframe __user *frame; @@ -869,10 +816,8 @@ static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, frame = get_sigframe(ka, regs, sizeof(*frame)); - if (fsize) { + if (fsize) err |= copy_to_user (&frame->uc.uc_extra, regs + 1, fsize); - regs->stkadj = fsize; - } err |= __put_user((current_thread_info()->exec_domain && current_thread_info()->exec_domain->signal_invmap @@ -914,11 +859,21 @@ static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, push_cache ((unsigned long) &frame->retcode); - /* Set up registers for signal handler */ + /* + * Set up registers for signal handler. All the state we are about + * to destroy is successfully copied to sigframe. + */ wrusp ((unsigned long) frame); regs->pc = (unsigned long) ka->sa.sa_handler; -adjust_stack: + /* + * This is subtle; if we build more than one sigframe, all but the + * first one will see frame format 0 and have fsize == 0, so we won't + * screw stkadj. + */ + if (fsize) + regs->stkadj = fsize; + /* Prepare to skip over the extra stuff in the exception frame. */ if (regs->stkadj) { struct pt_regs *tregs = @@ -933,11 +888,11 @@ adjust_stack: tregs->pc = regs->pc; tregs->sr = regs->sr; } - return; + return 0; give_sigsegv: force_sigsegv(sig, current); - goto adjust_stack; + return err; } static inline void @@ -995,6 +950,7 @@ static void handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { + int err; /* are we from a system call? */ if (regs->orig_d0 >= 0) /* If so, check system call restarting.. */ @@ -1002,17 +958,24 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, /* set up the stack frame */ if (ka->sa.sa_flags & SA_SIGINFO) - setup_rt_frame(sig, ka, info, oldset, regs); + err = setup_rt_frame(sig, ka, info, oldset, regs); else - setup_frame(sig, ka, oldset, regs); + err = setup_frame(sig, ka, oldset, regs); - if (ka->sa.sa_flags & SA_ONESHOT) - ka->sa.sa_handler = SIG_DFL; + if (err) + return; sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); if (!(ka->sa.sa_flags & SA_NODEFER)) sigaddset(¤t->blocked,sig); recalc_sigpending(); + + if (test_thread_flag(TIF_DELAYED_TRACE)) { + regs->sr &= ~0x8000; + send_sig(SIGTRAP, current, 1); + } + + clear_thread_flag(TIF_RESTORE_SIGMASK); } /* @@ -1020,22 +983,25 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs) +asmlinkage void do_signal(struct pt_regs *regs) { siginfo_t info; struct k_sigaction ka; int signr; + sigset_t *oldset; current->thread.esp0 = (unsigned long) regs; - if (!oldset) + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + oldset = ¤t->saved_sigmask; + else oldset = ¤t->blocked; signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ handle_signal(signr, &ka, &info, oldset, regs); - return 1; + return; } /* Did we come from a system call? */ @@ -1043,5 +1009,9 @@ asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs) /* Restart the system call - no handlers present */ handle_restart(regs, NULL, 0); - return 0; + /* If there's no signal to deliver, we just restore the saved mask. */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) { + clear_thread_flag(TIF_RESTORE_SIGMASK); + sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + } } diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c index 06438dac08ff..18b34ee5db3b 100644 --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -37,11 +37,11 @@ static inline int set_rtc_mmss(unsigned long nowtime) /* * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "do_timer()" routine every clocktick + * as well as call the "xtime_update()" routine every clocktick */ static irqreturn_t timer_interrupt(int irq, void *dummy) { - do_timer(1); + xtime_update(1); update_process_times(user_mode(get_irq_regs())); profile_tick(CPU_PROFILING); diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index ada4f4cca811..4022bbc28878 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -48,10 +48,7 @@ asmlinkage void nmihandler(void); asmlinkage void fpu_emu(void); #endif -e_vector vectors[256] = { - [VEC_BUSERR] = buserr, - [VEC_SYS] = system_call, -}; +e_vector vectors[256]; /* nmi handler for the Amiga */ asm(".text\n" @@ -61,10 +58,11 @@ asm(".text\n" /* * this must be called very early as the kernel might * use some instruction that are emulated on the 060 + * and so we're prepared for early probe attempts (e.g. nf_init). */ void __init base_trap_init(void) { - if(MACH_IS_SUN3X) { + if (MACH_IS_SUN3X) { extern e_vector *sun3x_prom_vbr; __asm__ volatile ("movec %%vbr, %0" : "=r" (sun3x_prom_vbr)); @@ -79,6 +77,10 @@ void __init base_trap_init(void) vectors[VEC_UNIMPII] = unimp_vec; } + + vectors[VEC_BUSERR] = buserr; + vectors[VEC_ILLEGAL] = trap; + vectors[VEC_SYS] = system_call; } void __init trap_init (void) @@ -1055,9 +1057,11 @@ asmlinkage void trap_c(struct frame *fp) siginfo_t info; if (fp->ptregs.sr & PS_S) { - if ((fp->ptregs.vector >> 2) == VEC_TRACE) { - /* traced a trapping instruction */ - } else + if (fp->ptregs.vector == VEC_TRACE << 2) { + /* traced a trapping instruction on a 68020/30, + * real exception will be executed afterwards. + */ + } else if (!handle_kernel_fault(&fp->ptregs)) bad_super_trap(fp); return; } diff --git a/arch/m68k/lib/string.c b/arch/m68k/lib/string.c index 4253f870e54f..d399c5f25636 100644 --- a/arch/m68k/lib/string.c +++ b/arch/m68k/lib/string.c @@ -243,14 +243,3 @@ void *memmove(void *dest, const void *src, size_t n) return xdest; } EXPORT_SYMBOL(memmove); - -int memcmp(const void *cs, const void *ct, size_t count) -{ - const unsigned char *su1, *su2; - - for (su1 = cs, su2 = ct; count > 0; ++su1, ++su2, count--) - if (*su1 != *su2) - return *su1 < *su2 ? -1 : +1; - return 0; -} -EXPORT_SYMBOL(memcmp); diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c index ba6ccab64018..a4c3eb60706e 100644 --- a/arch/m68k/mac/psc.c +++ b/arch/m68k/mac/psc.c @@ -88,7 +88,7 @@ void __init psc_init(void) /* * The PSC is always at the same spot, but using psc - * keeps things consisant with the psc_xxxx functions. + * keeps things consistent with the psc_xxxx functions. */ psc = (void *) PSC_BASE; diff --git a/arch/m68k/math-emu/Makefile b/arch/m68k/math-emu/Makefile index a0935bf98362..547c23c6e40e 100644 --- a/arch/m68k/math-emu/Makefile +++ b/arch/m68k/math-emu/Makefile @@ -2,8 +2,8 @@ # Makefile for the linux kernel. # -#EXTRA_AFLAGS += -DFPU_EMU_DEBUG -#EXTRA_CFLAGS += -DFPU_EMU_DEBUG +#asflags-y := -DFPU_EMU_DEBUG +#ccflags-y := -DFPU_EMU_DEBUG obj-y := fp_entry.o fp_scan.o fp_util.o fp_move.o fp_movem.o \ fp_cond.o fp_arith.o fp_log.o fp_trig.o diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c index a96394a0333d..2db6099784ba 100644 --- a/arch/m68k/mm/fault.c +++ b/arch/m68k/mm/fault.c @@ -18,7 +18,6 @@ #include <asm/pgalloc.h> extern void die_if_kernel(char *, struct pt_regs *, long); -extern const int frame_extra_sizes[]; /* in m68k/kernel/signal.c */ int send_fault_sig(struct pt_regs *regs) { @@ -35,21 +34,8 @@ int send_fault_sig(struct pt_regs *regs) force_sig_info(siginfo.si_signo, &siginfo, current); } else { - const struct exception_table_entry *fixup; - - /* Are we prepared to handle this kernel fault? */ - if ((fixup = search_exception_tables(regs->pc))) { - struct pt_regs *tregs; - /* Create a new four word stack frame, discarding the old - one. */ - regs->stkadj = frame_extra_sizes[regs->format]; - tregs = (struct pt_regs *)((ulong)regs + regs->stkadj); - tregs->vector = regs->vector; - tregs->format = 0; - tregs->pc = fixup->fixup; - tregs->sr = regs->sr; + if (handle_kernel_fault(regs)) return -1; - } //if (siginfo.si_signo == SIGBUS) // force_sig_info(siginfo.si_signo, diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c index 100baaa692a1..6cb9c3a9b6c9 100644 --- a/arch/m68k/mvme147/config.c +++ b/arch/m68k/mvme147/config.c @@ -46,8 +46,8 @@ extern void mvme147_reset (void); static int bcd2int (unsigned char b); -/* Save tick handler routine pointer, will point to do_timer() in - * kernel/sched.c, called via mvme147_process_int() */ +/* Save tick handler routine pointer, will point to xtime_update() in + * kernel/time/timekeeping.c, called via mvme147_process_int() */ irq_handler_t tick_handler; diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c index 11edf61cc2c4..0b28e2621653 100644 --- a/arch/m68k/mvme16x/config.c +++ b/arch/m68k/mvme16x/config.c @@ -51,8 +51,8 @@ extern void mvme16x_reset (void); int bcd2int (unsigned char b); -/* Save tick handler routine pointer, will point to do_timer() in - * kernel/sched.c, called via mvme16x_process_int() */ +/* Save tick handler routine pointer, will point to xtime_update() in + * kernel/time/timekeeping.c, called via mvme16x_process_int() */ static irq_handler_t tick_handler; diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c index 2d9e21bd313a..6464ad3ae3e6 100644 --- a/arch/m68k/sun3/sun3ints.c +++ b/arch/m68k/sun3/sun3ints.c @@ -66,7 +66,7 @@ static irqreturn_t sun3_int5(int irq, void *dev_id) #ifdef CONFIG_SUN3 intersil_clear(); #endif - do_timer(1); + xtime_update(1); update_process_times(user_mode(get_irq_regs())); if (!(kstat_cpu(0).irqs[irq] % 20)) sun3_leds(led_pattern[(kstat_cpu(0).irqs[irq] % 160) / 20]); |
