diff options
Diffstat (limited to 'arch/m68k/mac')
| -rw-r--r-- | arch/m68k/mac/baboon.c | 2 | ||||
| -rw-r--r-- | arch/m68k/mac/config.c | 118 | ||||
| -rw-r--r-- | arch/m68k/mac/iop.c | 155 | ||||
| -rw-r--r-- | arch/m68k/mac/mac.h | 25 | ||||
| -rw-r--r-- | arch/m68k/mac/macboing.c | 17 | ||||
| -rw-r--r-- | arch/m68k/mac/macints.c | 35 | ||||
| -rw-r--r-- | arch/m68k/mac/misc.c | 44 | ||||
| -rw-r--r-- | arch/m68k/mac/oss.c | 2 | ||||
| -rw-r--r-- | arch/m68k/mac/psc.c | 2 | ||||
| -rw-r--r-- | arch/m68k/mac/via.c | 39 |
10 files changed, 219 insertions, 220 deletions
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c index a7d280220662..5c97a7058bcd 100644 --- a/arch/m68k/mac/baboon.c +++ b/arch/m68k/mac/baboon.c @@ -15,6 +15,8 @@ #include <asm/macints.h> #include <asm/mac_baboon.h> +#include "mac.h" + int baboon_present; static volatile struct baboon *baboon; diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index 611f73bfc87c..e324410ef239 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -12,6 +12,7 @@ #include <linux/errno.h> #include <linux/module.h> +#include <linux/reboot.h> #include <linux/types.h> #include <linux/mm.h> #include <linux/tty.h> @@ -24,6 +25,7 @@ #include <linux/init.h> #include <linux/vt_kern.h> #include <linux/platform_device.h> +#include <linux/ata_platform.h> #include <linux/adb.h> #include <linux/cuda.h> #include <linux/pmu.h> @@ -36,7 +38,6 @@ #include <asm/io.h> #include <asm/irq.h> -#include <asm/pgtable.h> #include <asm/machdep.h> #include <asm/macintosh.h> @@ -47,6 +48,9 @@ #include <asm/mac_via.h> #include <asm/mac_oss.h> #include <asm/mac_psc.h> +#include <asm/config.h> + +#include "mac.h" /* Mac bootinfo struct */ struct mac_booter_data mac_bi_data; @@ -54,25 +58,13 @@ struct mac_booter_data mac_bi_data; /* The phys. video addr. - might be bogus on some machines */ static unsigned long mac_orig_videoaddr; -extern int mac_hwclk(int, struct rtc_time *); -extern void iop_preinit(void); -extern void iop_init(void); -extern void via_init(void); -extern void via_init_clock(irq_handler_t func); -extern void via_flush_cache(void); -extern void oss_init(void); -extern void psc_init(void); -extern void baboon_init(void); - -extern void mac_mksound(unsigned int, unsigned int); - static void mac_get_model(char *str); static void mac_identify(void); static void mac_report_hardware(void); -static void __init mac_sched_init(irq_handler_t vector) +static void __init mac_sched_init(void) { - via_init_clock(vector); + via_init_clock(); } /* @@ -130,21 +122,6 @@ int __init mac_parse_bootinfo(const struct bi_record *record) return unknown; } -/* - * Flip into 24bit mode for an instant - flushes the L2 cache card. We - * have to disable interrupts for this. Our IRQ handlers will crap - * themselves if they take an IRQ in 24bit mode! - */ - -static void mac_cache_card_flush(int writeback) -{ - unsigned long flags; - - local_irq_save(flags); - via_flush_cache(); - local_irq_restore(flags); -} - void __init config_mac(void) { if (!MACH_IS_MAC) @@ -156,8 +133,6 @@ void __init config_mac(void) mach_hwclk = mac_hwclk; mach_reset = mac_reset; mach_halt = mac_poweroff; - mach_power_off = mac_poweroff; - mach_max_dma_address = 0xffffffff; #if IS_ENABLED(CONFIG_INPUT_M68K_BEEP) mach_beep = mac_mksound; #endif @@ -175,9 +150,10 @@ void __init config_mac(void) * not. */ - if (macintosh_config->ident == MAC_MODEL_IICI - || macintosh_config->ident == MAC_MODEL_IIFX) - mach_l2_flush = mac_cache_card_flush; + if (macintosh_config->ident == MAC_MODEL_IICI) + mach_l2_flush = via_l2_flush; + + register_platform_power_off(mac_poweroff); } @@ -794,16 +770,12 @@ static struct resource scc_b_rsrcs[] = { struct platform_device scc_a_pdev = { .name = "scc", .id = 0, - .num_resources = ARRAY_SIZE(scc_a_rsrcs), - .resource = scc_a_rsrcs, }; EXPORT_SYMBOL(scc_a_pdev); struct platform_device scc_b_pdev = { .name = "scc", .id = 1, - .num_resources = ARRAY_SIZE(scc_b_rsrcs), - .resource = scc_b_rsrcs, }; EXPORT_SYMBOL(scc_b_pdev); @@ -830,10 +802,15 @@ static void __init mac_identify(void) /* Set up serial port resources for the console initcall. */ - scc_a_rsrcs[0].start = (resource_size_t) mac_bi_data.sccbase + 2; - scc_a_rsrcs[0].end = scc_a_rsrcs[0].start; - scc_b_rsrcs[0].start = (resource_size_t) mac_bi_data.sccbase; - scc_b_rsrcs[0].end = scc_b_rsrcs[0].start; + scc_a_rsrcs[0].start = (resource_size_t)mac_bi_data.sccbase + 2; + scc_a_rsrcs[0].end = scc_a_rsrcs[0].start; + scc_a_pdev.num_resources = ARRAY_SIZE(scc_a_rsrcs); + scc_a_pdev.resource = scc_a_rsrcs; + + scc_b_rsrcs[0].start = (resource_size_t)mac_bi_data.sccbase; + scc_b_rsrcs[0].end = scc_b_rsrcs[0].start; + scc_b_pdev.num_resources = ARRAY_SIZE(scc_b_rsrcs); + scc_b_pdev.resource = scc_b_rsrcs; switch (macintosh_config->scc_type) { case MAC_SCC_PSC: @@ -852,13 +829,6 @@ static void __init mac_identify(void) break; } - /* - * We need to pre-init the IOPs, if any. Otherwise - * the serial console won't work if the user had - * the serial ports set to "Faster" mode in MacOS. - */ - iop_preinit(); - pr_info("Detected Macintosh model: %d\n", model); /* @@ -958,7 +928,29 @@ static const struct resource mac_scsi_ccl_rsrc[] __initconst = { }, }; -int __init mac_platform_init(void) +static const struct resource mac_pata_quadra_rsrc[] __initconst = { + DEFINE_RES_MEM(0x50F1A000, 0x38), + DEFINE_RES_MEM(0x50F1A038, 0x04), + DEFINE_RES_IRQ(IRQ_NUBUS_F), +}; + +static const struct resource mac_pata_pb_rsrc[] __initconst = { + DEFINE_RES_MEM(0x50F1A000, 0x38), + DEFINE_RES_MEM(0x50F1A038, 0x04), + DEFINE_RES_IRQ(IRQ_NUBUS_C), +}; + +static const struct resource mac_pata_baboon_rsrc[] __initconst = { + DEFINE_RES_MEM(0x50F1A000, 0x38), + DEFINE_RES_MEM(0x50F1A038, 0x04), + DEFINE_RES_IRQ(IRQ_BABOON_1), +}; + +static const struct pata_platform_info mac_pata_data __initconst = { + .ioport_shift = 2, +}; + +static int __init mac_platform_init(void) { phys_addr_t swim_base = 0; @@ -1036,7 +1028,7 @@ int __init mac_platform_init(void) */ platform_device_register_simple("mac_scsi", 1, mac_scsi_duo_rsrc, ARRAY_SIZE(mac_scsi_duo_rsrc)); - /* fall through */ + fallthrough; case MAC_SCSI_OLD: /* Addresses from Developer Notes for Duo System, * PowerBook 180 & 160, 140 & 170, Macintosh IIsi @@ -1067,6 +1059,28 @@ int __init mac_platform_init(void) } /* + * IDE device + */ + + switch (macintosh_config->ide_type) { + case MAC_IDE_QUADRA: + platform_device_register_resndata(NULL, "pata_platform", -1, + mac_pata_quadra_rsrc, ARRAY_SIZE(mac_pata_quadra_rsrc), + &mac_pata_data, sizeof(mac_pata_data)); + break; + case MAC_IDE_PB: + platform_device_register_resndata(NULL, "pata_platform", -1, + mac_pata_pb_rsrc, ARRAY_SIZE(mac_pata_pb_rsrc), + &mac_pata_data, sizeof(mac_pata_data)); + break; + case MAC_IDE_BABOON: + platform_device_register_resndata(NULL, "pata_platform", -1, + mac_pata_baboon_rsrc, ARRAY_SIZE(mac_pata_baboon_rsrc), + &mac_pata_data, sizeof(mac_pata_data)); + break; + } + + /* * Ethernet device */ diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c index 9bfa17015768..a92740d530ac 100644 --- a/arch/m68k/mac/iop.c +++ b/arch/m68k/mac/iop.c @@ -25,7 +25,7 @@ * check this.) * 990605 (jmt) - Rearranged things a bit wrt IOP detection; iop_present is * gone, IOP base addresses are now in an array and the - * globally-visible functions take an IOP number instead of an + * globally-visible functions take an IOP number instead of * an actual base address. * 990610 (jmt) - Finished the message passing framework and it seems to work. * Sending _definitely_ works; my adb-bus.c mods can send @@ -47,6 +47,10 @@ * * TODO: * + * o The SCC IOP has to be placed in bypass mode before the serial console + * gets initialized. iop_init() would be one place to do that. Or the + * bootloader could do that. For now, the Serial Switch control panel + * is needed for that -- contrary to the changelog above. * o Something should be periodically checking iop_alive() to make sure the * IOP hasn't died. * o Some of the IOP manager routines need better error checking and @@ -62,7 +66,7 @@ * a shared memory area in the IOP RAM. Each IOP has seven "channels"; each * channel is connected to a specific software driver on the IOP. For example * on the SCC IOP there is one channel for each serial port. Each channel has - * an incoming and and outgoing message queue with a depth of one. + * an incoming and an outgoing message queue with a depth of one. * * A message is 32 bytes plus a state byte for the channel (MSG_IDLE, MSG_NEW, * MSG_RCVD, MSG_COMPLETE). To send a message you copy the message into the @@ -115,6 +119,8 @@ #include <asm/macints.h> #include <asm/mac_iop.h> +#include "mac.h" + #ifdef DEBUG #define iop_pr_debug(fmt, ...) \ printk(KERN_DEBUG "%s: " fmt, __func__, ##__VA_ARGS__) @@ -183,7 +189,7 @@ static __inline__ void iop_writeb(volatile struct mac_iop *iop, __u16 addr, __u8 static __inline__ void iop_stop(volatile struct mac_iop *iop) { - iop->status_ctrl &= ~IOP_RUN; + iop->status_ctrl = IOP_AUTOINC; } static __inline__ void iop_start(volatile struct mac_iop *iop) @@ -191,14 +197,9 @@ static __inline__ void iop_start(volatile struct mac_iop *iop) iop->status_ctrl = IOP_RUN | IOP_AUTOINC; } -static __inline__ void iop_bypass(volatile struct mac_iop *iop) -{ - iop->status_ctrl |= IOP_BYPASS; -} - static __inline__ void iop_interrupt(volatile struct mac_iop *iop) { - iop->status_ctrl |= IOP_IRQ; + iop->status_ctrl = IOP_IRQ | IOP_RUN | IOP_AUTOINC; } static int iop_alive(volatile struct mac_iop *iop) @@ -230,41 +231,6 @@ static struct iop_msg *iop_get_unused_msg(void) } /* - * This is called by the startup code before anything else. Its purpose - * is to find and initialize the IOPs early in the boot sequence, so that - * the serial IOP can be placed into bypass mode _before_ we try to - * initialize the serial console. - */ - -void __init iop_preinit(void) -{ - if (macintosh_config->scc_type == MAC_SCC_IOP) { - if (macintosh_config->ident == MAC_MODEL_IIFX) { - iop_base[IOP_NUM_SCC] = (struct mac_iop *) SCC_IOP_BASE_IIFX; - } else { - iop_base[IOP_NUM_SCC] = (struct mac_iop *) SCC_IOP_BASE_QUADRA; - } - iop_base[IOP_NUM_SCC]->status_ctrl = 0x87; - iop_scc_present = 1; - } else { - iop_base[IOP_NUM_SCC] = NULL; - iop_scc_present = 0; - } - if (macintosh_config->adb_type == MAC_ADB_IOP) { - if (macintosh_config->ident == MAC_MODEL_IIFX) { - iop_base[IOP_NUM_ISM] = (struct mac_iop *) ISM_IOP_BASE_IIFX; - } else { - iop_base[IOP_NUM_ISM] = (struct mac_iop *) ISM_IOP_BASE_QUADRA; - } - iop_base[IOP_NUM_ISM]->status_ctrl = 0; - iop_ism_present = 1; - } else { - iop_base[IOP_NUM_ISM] = NULL; - iop_ism_present = 0; - } -} - -/* * Initialize the IOPs, if present. */ @@ -272,11 +238,23 @@ void __init iop_init(void) { int i; - if (iop_scc_present) { + if (macintosh_config->scc_type == MAC_SCC_IOP) { + if (macintosh_config->ident == MAC_MODEL_IIFX) + iop_base[IOP_NUM_SCC] = (struct mac_iop *)SCC_IOP_BASE_IIFX; + else + iop_base[IOP_NUM_SCC] = (struct mac_iop *)SCC_IOP_BASE_QUADRA; + iop_scc_present = 1; pr_debug("SCC IOP detected at %p\n", iop_base[IOP_NUM_SCC]); } - if (iop_ism_present) { + if (macintosh_config->adb_type == MAC_ADB_IOP) { + if (macintosh_config->ident == MAC_MODEL_IIFX) + iop_base[IOP_NUM_ISM] = (struct mac_iop *)ISM_IOP_BASE_IIFX; + else + iop_base[IOP_NUM_ISM] = (struct mac_iop *)ISM_IOP_BASE_QUADRA; + iop_ism_present = 1; pr_debug("ISM IOP detected at %p\n", iop_base[IOP_NUM_ISM]); + + iop_stop(iop_base[IOP_NUM_ISM]); iop_start(iop_base[IOP_NUM_ISM]); iop_alive(iop_base[IOP_NUM_ISM]); /* clears the alive flag */ } @@ -299,7 +277,6 @@ void __init iop_init(void) /* * Register the interrupt handler for the IOPs. - * TODO: might be wrong for non-OSS machines. Anyone? */ void __init iop_register_interrupts(void) @@ -354,8 +331,8 @@ void iop_complete_message(struct iop_msg *msg) int chan = msg->channel; int i,offset; - iop_pr_debug("msg %p iop_num %d channel %d\n", msg, msg->iop_num, - msg->channel); + iop_pr_debug("iop_num %d chan %d reply %*ph\n", + msg->iop_num, msg->channel, IOP_MSG_LEN, msg->reply); offset = IOP_ADDR_RECV_MSG + (msg->channel * IOP_MSG_LEN); @@ -379,6 +356,9 @@ static void iop_do_send(struct iop_msg *msg) volatile struct mac_iop *iop = iop_base[msg->iop_num]; int i,offset; + iop_pr_debug("iop_num %d chan %d message %*ph\n", + msg->iop_num, msg->channel, IOP_MSG_LEN, msg->message); + offset = IOP_ADDR_SEND_MSG + (msg->channel * IOP_MSG_LEN); for (i = 0 ; i < IOP_MSG_LEN ; i++, offset++) { @@ -401,8 +381,6 @@ static void iop_handle_send(uint iop_num, uint chan) struct iop_msg *msg; int i,offset; - iop_pr_debug("iop_num %d chan %d\n", iop_num, chan); - iop_writeb(iop, IOP_ADDR_SEND_STATE + chan, IOP_MSG_IDLE); if (!(msg = iop_send_queue[iop_num][chan])) return; @@ -412,11 +390,15 @@ static void iop_handle_send(uint iop_num, uint chan) for (i = 0 ; i < IOP_MSG_LEN ; i++, offset++) { msg->reply[i] = iop_readb(iop, offset); } + iop_pr_debug("iop_num %d chan %d reply %*ph\n", + iop_num, chan, IOP_MSG_LEN, msg->reply); + if (msg->handler) (*msg->handler)(msg); msg->status = IOP_MSGSTATUS_UNUSED; msg = msg->next; iop_send_queue[iop_num][chan] = msg; - if (msg) iop_do_send(msg); + if (msg && iop_readb(iop, IOP_ADDR_SEND_STATE + chan) == IOP_MSG_IDLE) + iop_do_send(msg); } /* @@ -430,8 +412,6 @@ static void iop_handle_recv(uint iop_num, uint chan) int i,offset; struct iop_msg *msg; - iop_pr_debug("iop_num %d chan %d\n", iop_num, chan); - msg = iop_get_unused_msg(); msg->iop_num = iop_num; msg->channel = chan; @@ -443,6 +423,8 @@ static void iop_handle_recv(uint iop_num, uint chan) for (i = 0 ; i < IOP_MSG_LEN ; i++, offset++) { msg->message[i] = iop_readb(iop, offset); } + iop_pr_debug("iop_num %d chan %d message %*ph\n", + iop_num, chan, IOP_MSG_LEN, msg->message); iop_writeb(iop, IOP_ADDR_RECV_STATE + chan, IOP_MSG_RCVD); @@ -452,9 +434,7 @@ static void iop_handle_recv(uint iop_num, uint chan) if (msg->handler) { (*msg->handler)(msg); } else { - iop_pr_debug("unclaimed message on iop_num %d chan %d\n", - iop_num, chan); - iop_pr_debug("%*ph\n", IOP_MSG_LEN, msg->message); + memset(msg->reply, 0, IOP_MSG_LEN); iop_complete_message(msg); } } @@ -490,16 +470,12 @@ int iop_send_message(uint iop_num, uint chan, void *privdata, if (!(q = iop_send_queue[iop_num][chan])) { iop_send_queue[iop_num][chan] = msg; + iop_do_send(msg); } else { while (q->next) q = q->next; q->next = msg; } - if (iop_readb(iop_base[iop_num], - IOP_ADDR_SEND_STATE + chan) == IOP_MSG_IDLE) { - iop_do_send(msg); - } - return 0; } @@ -566,36 +542,41 @@ irqreturn_t iop_ism_irq(int irq, void *dev_id) uint iop_num = (uint) dev_id; volatile struct mac_iop *iop = iop_base[iop_num]; int i,state; - - iop_pr_debug("status %02X\n", iop->status_ctrl); - - /* INT0 indicates a state change on an outgoing message channel */ - - if (iop->status_ctrl & IOP_INT0) { - iop->status_ctrl = IOP_INT0 | IOP_RUN | IOP_AUTOINC; - iop_pr_debug("new status %02X, send states", iop->status_ctrl); - for (i = 0 ; i < NUM_IOP_CHAN ; i++) { - state = iop_readb(iop, IOP_ADDR_SEND_STATE + i); - iop_pr_cont(" %02X", state); - if (state == IOP_MSG_COMPLETE) { - iop_handle_send(iop_num, i); + u8 events = iop->status_ctrl & (IOP_INT0 | IOP_INT1); + + do { + iop_pr_debug("iop_num %d status %02X\n", iop_num, + iop->status_ctrl); + + /* INT0 indicates state change on an outgoing message channel */ + if (events & IOP_INT0) { + iop->status_ctrl = IOP_INT0 | IOP_RUN | IOP_AUTOINC; + for (i = 0; i < NUM_IOP_CHAN; i++) { + state = iop_readb(iop, IOP_ADDR_SEND_STATE + i); + if (state == IOP_MSG_COMPLETE) + iop_handle_send(iop_num, i); + else if (state != IOP_MSG_IDLE) + iop_pr_debug("chan %d send state %02X\n", + i, state); } } - iop_pr_cont("\n"); - } - if (iop->status_ctrl & IOP_INT1) { /* INT1 for incoming msgs */ - iop->status_ctrl = IOP_INT1 | IOP_RUN | IOP_AUTOINC; - iop_pr_debug("new status %02X, recv states", iop->status_ctrl); - for (i = 0 ; i < NUM_IOP_CHAN ; i++) { - state = iop_readb(iop, IOP_ADDR_RECV_STATE + i); - iop_pr_cont(" %02X", state); - if (state == IOP_MSG_NEW) { - iop_handle_recv(iop_num, i); + /* INT1 for incoming messages */ + if (events & IOP_INT1) { + iop->status_ctrl = IOP_INT1 | IOP_RUN | IOP_AUTOINC; + for (i = 0; i < NUM_IOP_CHAN; i++) { + state = iop_readb(iop, IOP_ADDR_RECV_STATE + i); + if (state == IOP_MSG_NEW) + iop_handle_recv(iop_num, i); + else if (state != IOP_MSG_IDLE) + iop_pr_debug("chan %d recv state %02X\n", + i, state); } } - iop_pr_cont("\n"); - } + + events = iop->status_ctrl & (IOP_INT0 | IOP_INT1); + } while (events); + return IRQ_HANDLED; } diff --git a/arch/m68k/mac/mac.h b/arch/m68k/mac/mac.h new file mode 100644 index 000000000000..d3d142cea3b4 --- /dev/null +++ b/arch/m68k/mac/mac.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +struct rtc_time; + +/* baboon.c */ +void baboon_init(void); + +/* iop.c */ +void iop_init(void); + +/* misc.c */ +int mac_hwclk(int op, struct rtc_time *t); + +/* macboing.c */ +void mac_mksound(unsigned int freq, unsigned int length); + +/* oss.c */ +void oss_init(void); + +/* psc.c */ +void psc_init(void); + +/* via.c */ +void via_init(void); +void via_init_clock(void); diff --git a/arch/m68k/mac/macboing.c b/arch/m68k/mac/macboing.c index 388780797f7d..6312d5b600a5 100644 --- a/arch/m68k/mac/macboing.c +++ b/arch/m68k/mac/macboing.c @@ -16,6 +16,8 @@ #include <asm/macintosh.h> #include <asm/mac_asc.h> +#include "mac.h" + static int mac_asc_inited; /* * dumb triangular wave table @@ -23,15 +25,6 @@ static int mac_asc_inited; static __u8 mac_asc_wave_tab[ 0x800 ]; /* - * Alan's original sine table; needs interpolating to 0x800 - * (hint: interpolate or hardwire [0 -> Pi/2[, it's symmetric) - */ -static const signed char sine_data[] = { - 0, 39, 75, 103, 121, 127, 121, 103, 75, 39, - 0, -39, -75, -103, -121, -127, -121, -103, -75, -39 -}; - -/* * where the ASC hides ... */ static volatile __u8* mac_asc_regs = ( void* )0x50F14000; @@ -116,7 +109,7 @@ static void mac_init_asc( void ) * support 16-bit stereo output, but only mono input." * * Technical Information Library (TIL) article number 16405. - * http://support.apple.com/kb/TA32601 + * https://support.apple.com/kb/TA32601 * * --David Kilzer */ @@ -190,7 +183,7 @@ void mac_mksound( unsigned int freq, unsigned int length ) local_irq_save(flags); - del_timer( &mac_sound_timer ); + timer_delete(&mac_sound_timer); for ( i = 0; i < 0x800; i++ ) mac_asc_regs[ i ] = 0; @@ -284,7 +277,7 @@ static void mac_quadra_ring_bell(struct timer_list *unused) local_irq_save(flags); - del_timer( &mac_sound_timer ); + timer_delete(&mac_sound_timer); if ( mac_bell_duration-- > 0 ) { diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c index e3575388cd05..5cbaf6e9497c 100644 --- a/arch/m68k/mac/macints.c +++ b/arch/m68k/mac/macints.c @@ -126,10 +126,7 @@ #include <asm/mac_baboon.h> #include <asm/hwtest.h> #include <asm/irq_regs.h> - -extern void show_registers(struct pt_regs *); - -irqreturn_t mac_nmi_handler(int, void *); +#include <asm/processor.h> static unsigned int mac_irq_startup(struct irq_data *); static void mac_irq_shutdown(struct irq_data *); @@ -142,6 +139,21 @@ static struct irq_chip mac_irq_chip = { .irq_shutdown = mac_irq_shutdown, }; +static irqreturn_t mac_nmi_handler(int irq, void *dev_id) +{ + static volatile int in_nmi; + + if (in_nmi) + return IRQ_HANDLED; + in_nmi = 1; + + pr_info("Non-Maskable Interrupt\n"); + show_registers(get_irq_regs()); + + in_nmi = 0; + return IRQ_HANDLED; +} + void __init mac_init_IRQ(void) { m68k_setup_irq_controller(&mac_irq_chip, handle_simple_irq, IRQ_USER, @@ -254,18 +266,3 @@ static void mac_irq_shutdown(struct irq_data *data) else mac_irq_disable(data); } - -static volatile int in_nmi; - -irqreturn_t mac_nmi_handler(int irq, void *dev_id) -{ - if (in_nmi) - return IRQ_HANDLED; - in_nmi = 1; - - pr_info("Non-Maskable Interrupt\n"); - show_registers(get_irq_regs()); - - in_nmi = 0; - return IRQ_HANDLED; -} diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c index 90f4e9ca1276..e7f0f72c1b36 100644 --- a/arch/m68k/mac/misc.c +++ b/arch/m68k/mac/misc.c @@ -18,7 +18,6 @@ #include <linux/uaccess.h> #include <asm/io.h> -#include <asm/segment.h> #include <asm/setup.h> #include <asm/macintosh.h> #include <asm/mac_via.h> @@ -26,6 +25,8 @@ #include <asm/machdep.h> +#include "mac.h" + /* * Offset between Unix time (1970-based) and Mac time (1904-based). Cuda and PMU * times wrap in 2040. If we need to handle later times, the read_time functions @@ -127,7 +128,7 @@ static void via_rtc_send(__u8 data) reg = via1[vBufB] & ~(VIA1B_vRTCClk | VIA1B_vRTCData); - /* The bits of the byte go in in MSB order */ + /* The bits of the byte go into the RTC in MSB order */ for (i = 0 ; i < 8 ; i++) { bit = data & 0x80? 1 : 0; @@ -452,30 +453,18 @@ void mac_poweroff(void) void mac_reset(void) { - if (macintosh_config->adb_type == MAC_ADB_II && - macintosh_config->ident != MAC_MODEL_SE30) { - /* need ROMBASE in booter */ - /* indeed, plus need to MAP THE ROM !! */ - - if (mac_bi_data.rombase == 0) - mac_bi_data.rombase = 0x40800000; - - /* works on some */ - rom_reset = (void *) (mac_bi_data.rombase + 0xa); - - local_irq_disable(); - rom_reset(); #ifdef CONFIG_ADB_CUDA - } else if (macintosh_config->adb_type == MAC_ADB_EGRET || - macintosh_config->adb_type == MAC_ADB_CUDA) { + if (macintosh_config->adb_type == MAC_ADB_EGRET || + macintosh_config->adb_type == MAC_ADB_CUDA) { cuda_restart(); + } else #endif #ifdef CONFIG_ADB_PMU - } else if (macintosh_config->adb_type == MAC_ADB_PB2) { + if (macintosh_config->adb_type == MAC_ADB_PB2) { pmu_restart(); + } else #endif - } else if (CPU_IS_030) { - + if (CPU_IS_030) { /* 030-specific reset routine. The idea is general, but the * specific registers to reset are '030-specific. Until I * have a non-030 machine, I can't test anything else. @@ -523,6 +512,18 @@ void mac_reset(void) "jmp %/a0@\n\t" /* jump to the reset vector */ ".chip 68k" : : "r" (offset), "a" (rombase) : "a0"); + } else { + /* need ROMBASE in booter */ + /* indeed, plus need to MAP THE ROM !! */ + + if (mac_bi_data.rombase == 0) + mac_bi_data.rombase = 0x40800000; + + /* works on some */ + rom_reset = (void *)(mac_bi_data.rombase + 0xa); + + local_irq_disable(); + rom_reset(); } /* should never get here */ @@ -555,7 +556,7 @@ static void unmktime(time64_t time, long offset, /* Leap years. */ { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 } }; - int days, rem, y, wday, yday; + int days, rem, y, wday; const unsigned short int *ip; days = div_u64_rem(time, SECS_PER_DAY, &rem); @@ -593,7 +594,6 @@ static void unmktime(time64_t time, long offset, y = yg; } *yearp = y - 1900; - yday = days; /* day in the year. Not currently used. */ ip = __mon_yday[__isleap(y)]; for (y = 11; days < (long int) ip[y]; --y) continue; diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c index 921e6c092f2c..1641607f300d 100644 --- a/arch/m68k/mac/oss.c +++ b/arch/m68k/mac/oss.c @@ -27,6 +27,8 @@ #include <asm/mac_via.h> #include <asm/mac_oss.h> +#include "mac.h" + int oss_present; volatile struct mac_oss *oss; diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c index 0d0965b19c09..b4183cf66efe 100644 --- a/arch/m68k/mac/psc.c +++ b/arch/m68k/mac/psc.c @@ -26,6 +26,8 @@ #include <asm/macints.h> #include <asm/mac_psc.h> +#include "mac.h" + #define DEBUG_PSC volatile __u8 *psc; diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c index 3c2cfcb74982..01e6b0e37f8d 100644 --- a/arch/m68k/mac/via.c +++ b/arch/m68k/mac/via.c @@ -38,6 +38,8 @@ #include <asm/mac_psc.h> #include <asm/mac_oss.h> +#include "mac.h" + volatile __u8 *via1, *via2; int rbv_present; int via_alt_mapping; @@ -169,8 +171,6 @@ void __init via_init(void) via1[vIER] = 0x7F; via1[vIFR] = 0x7F; - via1[vT1LL] = 0; - via1[vT1LH] = 0; via1[vT1CL] = 0; via1[vT1CH] = 0; via1[vT2CL] = 0; @@ -225,8 +225,6 @@ void __init via_init(void) via2[gIER] = 0x7F; via2[gIFR] = 0x7F | rbv_clear; if (!rbv_present) { - via2[vT1LL] = 0; - via2[vT1LH] = 0; via2[vT1CL] = 0; via2[vT1CH] = 0; via2[vT2CL] = 0; @@ -294,25 +292,14 @@ void via_debug_dump(void) * the system into 24-bit mode for an instant. */ -void via_flush_cache(void) +void via_l2_flush(int writeback) { + unsigned long flags; + + local_irq_save(flags); via2[gBufB] &= ~VIA2B_vMode32; via2[gBufB] |= VIA2B_vMode32; -} - -/* - * Return the status of the L2 cache on a IIci - */ - -int via_get_cache_disable(void) -{ - /* Safeguard against being called accidentally */ - if (!via2) { - printk(KERN_ERR "via_get_cache_disable called on a non-VIA machine!\n"); - return 1; - } - - return (int) via2[gBufB] & VIA2B_vCDis; + local_irq_restore(flags); } /* @@ -366,7 +353,7 @@ void via_nubus_irq_startup(int irq) /* Allow NuBus slots 9 through F. */ via2[vDirA] &= 0x80 | ~(1 << irq_idx); } - /* fall through */ + fallthrough; case MAC_VIA_IICI: via_irq_enable(irq); break; @@ -598,25 +585,21 @@ static u32 clk_total, clk_offset; static irqreturn_t via_timer_handler(int irq, void *dev_id) { - irq_handler_t timer_routine = dev_id; - clk_total += VIA_TIMER_CYCLES; clk_offset = 0; - timer_routine(0, NULL); + legacy_timer_tick(1); return IRQ_HANDLED; } -void __init via_init_clock(irq_handler_t timer_routine) +void __init via_init_clock(void) { if (request_irq(IRQ_MAC_TIMER_1, via_timer_handler, IRQF_TIMER, "timer", - timer_routine)) { + NULL)) { pr_err("Couldn't register %s interrupt\n", "timer"); return; } - via1[vT1LL] = VIA_TC_LOW; - via1[vT1LH] = VIA_TC_HIGH; via1[vT1CL] = VIA_TC_LOW; via1[vT1CH] = VIA_TC_HIGH; via1[vACR] |= 0x40; |