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 | 18 | ||||
| -rw-r--r-- | arch/m68k/mac/iop.c | 2 | ||||
| -rw-r--r-- | arch/m68k/mac/mac.h | 25 | ||||
| -rw-r--r-- | arch/m68k/mac/macboing.c | 15 | ||||
| -rw-r--r-- | arch/m68k/mac/misc.c | 41 | ||||
| -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 | 18 |
9 files changed, 80 insertions, 45 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 382f656c29ea..c0033f885ed4 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -15,7 +15,6 @@ #include <linux/reboot.h> #include <linux/types.h> #include <linux/mm.h> -#include <linux/tty.h> #include <linux/console.h> #include <linux/interrupt.h> /* keyb */ @@ -23,7 +22,6 @@ #include <linux/delay.h> /* keyb */ #include <linux/init.h> -#include <linux/vt_kern.h> #include <linux/platform_device.h> #include <linux/ata_platform.h> #include <linux/adb.h> @@ -50,22 +48,14 @@ #include <asm/mac_psc.h> #include <asm/config.h> +#include "mac.h" + /* Mac bootinfo struct */ 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_init(void); -extern void via_init(void); -extern void via_init_clock(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); @@ -801,7 +791,7 @@ static void __init mac_identify(void) } macintosh_config = mac_data_table; - for (m = macintosh_config; m->ident != -1; m++) { + for (m = &mac_data_table[1]; m->ident != -1; m++) { if (m->ident == model) { macintosh_config = m; break; @@ -958,7 +948,7 @@ static const struct pata_platform_info mac_pata_data __initconst = { .ioport_shift = 2, }; -int __init mac_platform_init(void) +static int __init mac_platform_init(void) { phys_addr_t swim_base = 0; diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c index 010b3b5ae8e8..a92740d530ac 100644 --- a/arch/m68k/mac/iop.c +++ b/arch/m68k/mac/iop.c @@ -119,6 +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__) 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 4de6229c7bfd..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; @@ -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/misc.c b/arch/m68k/mac/misc.c index c7cb29f0ff01..e7f0f72c1b36 100644 --- a/arch/m68k/mac/misc.c +++ b/arch/m68k/mac/misc.c @@ -25,6 +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 @@ -451,30 +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. @@ -522,6 +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 */ @@ -554,7 +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); @@ -592,7 +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 3d11d6219cdd..9cb813eda4fd 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; @@ -619,6 +621,22 @@ static u64 mac_read_clk(struct clocksource *cs) * These problems are avoided by ignoring the low byte. Clock accuracy * is 256 times worse (error can reach 0.327 ms) but CPU overhead is * reduced by avoiding slow VIA register accesses. + * + * The VIA timer counter observably decrements to 0xFFFF before the + * counter reload interrupt gets raised. That complicates things a bit. + * + * State | vT1CH | VIA_TIMER_1_INT | inference drawn + * ------+------------+-----------------+----------------------------- + * i | FE thru 00 | false | counter is decrementing + * ii | FF | false | counter wrapped + * iii | FF | true | wrapped, interrupt raised + * iv | FF | false | wrapped, interrupt handled + * v | FE thru 00 | true | wrapped, interrupt unhandled + * + * State iv is never observed because handling the interrupt involves + * a 6522 register access and every access consumes a "phi 2" clock + * cycle. So 0xFF implies either state ii or state iii, depending on + * the value of the VIA_TIMER_1_INT bit. */ local_irq_save(flags); |