diff options
44 files changed, 114 insertions, 209 deletions
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c index a95b37773196..b212c0726125 100644 --- a/arch/mips/au1000/common/setup.c +++ b/arch/mips/au1000/common/setup.c @@ -50,7 +50,6 @@ extern void au1000_halt(void); extern void au1000_power_off(void); extern void au1x_time_init(void); extern void au1x_timer_setup(struct irqaction *irq); -extern void au1xxx_time_init(void); extern void set_cpuspec(void); void __init plat_mem_setup(void) @@ -112,7 +111,6 @@ void __init plat_mem_setup(void) _machine_restart = au1000_restart; _machine_halt = au1000_halt; pm_power_off = au1000_power_off; - board_time_init = au1xxx_time_init; /* IO/MEM resources. */ set_io_port_base(0); diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c index 8fc29982d700..fb1fd50f19a6 100644 --- a/arch/mips/au1000/common/time.c +++ b/arch/mips/au1000/common/time.c @@ -329,7 +329,3 @@ void __init plat_timer_setup(struct irqaction *irq) #endif } - -void __init au1xxx_time_init(void) -{ -} diff --git a/arch/mips/basler/excite/excite_setup.c b/arch/mips/basler/excite/excite_setup.c index 56003188f17c..68be19d1802e 100644 --- a/arch/mips/basler/excite/excite_setup.c +++ b/arch/mips/basler/excite/excite_setup.c @@ -68,7 +68,7 @@ DEFINE_SPINLOCK(titan_lock); int titan_irqflags; -static void excite_timer_init(void) +void __init plat_time_init(void) { const u32 modebit5 = ocd_readl(0x00e4); unsigned int @@ -261,9 +261,6 @@ void __init plat_mem_setup(void) /* Announce RAM to system */ add_memory_region(0x00000000, memsize, BOOT_MEM_RAM); - /* Set up timer initialization hooks */ - board_time_init = excite_timer_init; - /* Set up the peripheral address map */ *(boot_ocd_base + (LKB9 / sizeof (u32))) = 0; *(boot_ocd_base + (LKB10 / sizeof (u32))) = 0; diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c index f48aa5aa9bf0..1b6b0fa5028f 100644 --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -119,6 +119,5 @@ void __init plat_mem_setup(void) _machine_restart = bcm47xx_machine_restart; _machine_halt = bcm47xx_machine_halt; pm_power_off = bcm47xx_machine_halt; - board_time_init = bcm47xx_time_init; } diff --git a/arch/mips/bcm47xx/time.c b/arch/mips/bcm47xx/time.c index b27d07f29059..0ab4676c8bd3 100644 --- a/arch/mips/bcm47xx/time.c +++ b/arch/mips/bcm47xx/time.c @@ -28,8 +28,7 @@ #include <asm/time.h> #include <bcm47xx.h> -void __init -bcm47xx_time_init(void) +void __init plat_time_init(void) { unsigned long hz; diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c index 3e634f2f5443..bd5431e1f408 100644 --- a/arch/mips/dec/setup.c +++ b/arch/mips/dec/setup.c @@ -145,13 +145,9 @@ static void __init dec_be_init(void) } } - -extern void dec_time_init(void); - void __init plat_mem_setup(void) { board_be_init = dec_be_init; - board_time_init = dec_time_init; wbflush_setup(); diff --git a/arch/mips/dec/time.c b/arch/mips/dec/time.c index e2973a432b92..820e5331205f 100644 --- a/arch/mips/dec/time.c +++ b/arch/mips/dec/time.c @@ -35,7 +35,7 @@ #include <asm/dec/ioasic_addrs.h> #include <asm/dec/machtype.h> -static unsigned long dec_rtc_get_time(void) +unsigned long read_persistent_clock(void) { unsigned int year, mon, day, hour, min, sec, real_year; unsigned long flags; @@ -74,13 +74,13 @@ static unsigned long dec_rtc_get_time(void) } /* - * In order to set the CMOS clock precisely, dec_rtc_set_mmss has to + * In order to set the CMOS clock precisely, rtc_mips_set_mmss has to * be called 500 ms after the second nowtime has started, because when * nowtime is written into the registers of the CMOS clock, it will * jump to the next second precisely 500 ms later. Check the Dallas * DS1287 data sheet for details. */ -static int dec_rtc_set_mmss(unsigned long nowtime) +int rtc_mips_set_mmss(unsigned long nowtime) { int retval = 0; int real_seconds, real_minutes, cmos_minutes; @@ -139,7 +139,6 @@ static int dec_rtc_set_mmss(unsigned long nowtime) return retval; } - static int dec_timer_state(void) { return (CMOS_READ(RTC_REG_C) & RTC_PF) != 0; @@ -160,11 +159,8 @@ static cycle_t dec_ioasic_hpt_read(void) } -void __init dec_time_init(void) +void __init plat_time_init(void) { - rtc_mips_get_time = dec_rtc_get_time; - rtc_mips_set_mmss = dec_rtc_set_mmss; - mips_timer_state = dec_timer_state; mips_timer_ack = dec_timer_ack; diff --git a/arch/mips/emma2rh/markeins/setup.c b/arch/mips/emma2rh/markeins/setup.c index 2f060e1ed36c..5e1da53b04a7 100644 --- a/arch/mips/emma2rh/markeins/setup.c +++ b/arch/mips/emma2rh/markeins/setup.c @@ -88,7 +88,7 @@ static unsigned int __init detect_bus_frequency(unsigned long rtc_base) return clock[reg]; } -static void __init emma2rh_time_init(void) +void __init plat_time_init(void) { u32 reg; if (bus_frequency == 0) @@ -124,8 +124,6 @@ void __init plat_mem_setup(void) set_io_port_base(KSEG1ADDR(EMMA2RH_PCI_IO_BASE)); - board_time_init = emma2rh_time_init; - _machine_restart = markeins_machine_restart; _machine_halt = markeins_machine_halt; pm_power_off = markeins_machine_power_off; diff --git a/arch/mips/gt64120/wrppmc/setup.c b/arch/mips/gt64120/wrppmc/setup.c index 238b5087fbb3..f2ccf101e6d9 100644 --- a/arch/mips/gt64120/wrppmc/setup.c +++ b/arch/mips/gt64120/wrppmc/setup.c @@ -126,7 +126,6 @@ static void wrppmc_setup_serial(void) void __init plat_mem_setup(void) { - extern void wrppmc_time_init(void); extern void wrppmc_machine_restart(char *command); extern void wrppmc_machine_halt(void); extern void wrppmc_machine_power_off(void); @@ -135,9 +134,6 @@ void __init plat_mem_setup(void) _machine_halt = wrppmc_machine_halt; pm_power_off = wrppmc_machine_power_off; - /* Use MIPS Count/Compare Timer */ - board_time_init = wrppmc_time_init; - /* This makes the operations of 'in/out[bwl]' to the * physical address ( < KSEG0) can work via KSEG1 */ diff --git a/arch/mips/gt64120/wrppmc/time.c b/arch/mips/gt64120/wrppmc/time.c index 5b440859bcee..faf164e7e0df 100644 --- a/arch/mips/gt64120/wrppmc/time.c +++ b/arch/mips/gt64120/wrppmc/time.c @@ -38,7 +38,7 @@ void __init plat_timer_setup(struct irqaction *irq) * NOTE: We disable all GT64120 timers, and use MIPS processor internal * timer as the source of kernel clock tick. */ -void __init wrppmc_time_init(void) +void __init plat_time_init(void) { /* Disable GT64120 timers */ GT_WRITE(GT_TC_CONTROL_OFS, 0x00); diff --git a/arch/mips/jmr3927/rbhma3100/setup.c b/arch/mips/jmr3927/rbhma3100/setup.c index fde56e86c2ab..7f14f70a1b88 100644 --- a/arch/mips/jmr3927/rbhma3100/setup.c +++ b/arch/mips/jmr3927/rbhma3100/setup.c @@ -109,7 +109,7 @@ static void jmr3927_timer_ack(void) jmr3927_tmrptr->tisr = 0; /* ack interrupt */ } -static void __init jmr3927_time_init(void) +void __init plat_time_init(void) { clocksource_mips.read = jmr3927_hpt_read; mips_timer_ack = jmr3927_timer_ack; @@ -141,8 +141,6 @@ void __init plat_mem_setup(void) set_io_port_base(JMR3927_PORT_BASE + JMR3927_PCIIO); - board_time_init = jmr3927_time_init; - _machine_restart = jmr3927_machine_restart; _machine_halt = jmr3927_machine_halt; pm_power_off = jmr3927_machine_power_off; diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index 628a8ba6da57..9bbbd9b327fc 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -49,24 +49,19 @@ * forward reference */ DEFINE_SPINLOCK(rtc_lock); +EXPORT_SYMBOL(rtc_lock); -/* - * By default we provide the null RTC ops - */ -static unsigned long null_rtc_get_time(void) +int __weak rtc_mips_set_time(unsigned long sec) { - return mktime(2000, 1, 1, 0, 0, 0); + return 0; } +EXPORT_SYMBOL(rtc_mips_set_time); -static int null_rtc_set_time(unsigned long sec) +int __weak rtc_mips_set_mmss(unsigned long nowtime) { - return 0; + return rtc_mips_set_time(nowtime); } -unsigned long (*rtc_mips_get_time)(void) = null_rtc_get_time; -int (*rtc_mips_set_time)(unsigned long) = null_rtc_set_time; -int (*rtc_mips_set_mmss)(unsigned long); - int update_persistent_clock(struct timespec now) { return rtc_mips_set_mmss(now.tv_sec); @@ -247,21 +242,18 @@ asmlinkage void ll_local_timer_interrupt(int irq) /* * time_init() - it does the following things. * - * 1) board_time_init() - + * 1) plat_time_init() - * a) (optional) set up RTC routines, * b) (optional) calibrate and set the mips_hpt_frequency * (only needed if you intended to use cpu counter as timer interrupt * source) - * 2) setup xtime based on rtc_mips_get_time(). - * 3) calculate a couple of cached variables for later usage - * 4) plat_timer_setup() - + * 2) calculate a couple of cached variables for later usage + * 3) plat_timer_setup() - * a) (optional) over-write any choices made above by time_init(). * b) machine specific code should setup the timer irqaction. * c) enable the timer interrupt */ -void (*board_time_init)(void); - unsigned int mips_hpt_frequency; static struct irqaction timer_irqaction = { @@ -341,19 +333,13 @@ static void __init init_mips_clocksource(void) clocksource_register(&clocksource_mips); } -void __init time_init(void) +void __init __weak plat_time_init(void) { - if (board_time_init) - board_time_init(); - - if (!rtc_mips_set_mmss) - rtc_mips_set_mmss = rtc_mips_set_time; - - xtime.tv_sec = rtc_mips_get_time(); - xtime.tv_nsec = 0; +} - set_normalized_timespec(&wall_to_monotonic, - -xtime.tv_sec, -xtime.tv_nsec); +void __init time_init(void) +{ + plat_time_init(); /* Choose appropriate high precision timer routines. */ if (!cpu_has_counter && !clocksource_mips.read) @@ -459,7 +445,4 @@ void to_tm(unsigned long tim, struct rtc_time *tm) tm->tm_wday = (gday + 4) % 7; /* 1970/1/1 was Thursday */ } -EXPORT_SYMBOL(rtc_lock); EXPORT_SYMBOL(to_tm); -EXPORT_SYMBOL(rtc_mips_set_time); -EXPORT_SYMBOL(rtc_mips_get_time); diff --git a/arch/mips/lasat/ds1603.c b/arch/mips/lasat/ds1603.c index 0b315f51d62c..52cb1436a12a 100644 --- a/arch/mips/lasat/ds1603.c +++ b/arch/mips/lasat/ds1603.c @@ -135,8 +135,7 @@ static void rtc_end_op(void) lasat_ndelay(1000); } -/* interface */ -unsigned long ds1603_read(void) +unsigned long read_persistent_clock(void) { unsigned long word; unsigned long flags; @@ -147,10 +146,11 @@ unsigned long ds1603_read(void) word = rtc_read_word(); rtc_end_op(); spin_unlock_irqrestore(&rtc_lock, flags); + return word; } -int ds1603_set(unsigned long time) +int rtc_mips_set_mmss(unsigned long time) { unsigned long flags; diff --git a/arch/mips/lasat/ds1603.h b/arch/mips/lasat/ds1603.h index c2e5c76a379d..2da3704044fd 100644 --- a/arch/mips/lasat/ds1603.h +++ b/arch/mips/lasat/ds1603.h @@ -20,8 +20,6 @@ struct ds_defs { extern struct ds_defs *ds1603; -unsigned long ds1603_read(void); -int ds1603_set(unsigned long); void ds1603_set_trimmer(unsigned int); void ds1603_enable(void); void ds1603_disable(void); diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c index 187e37821d93..54827d0174bf 100644 --- a/arch/mips/lasat/setup.c +++ b/arch/mips/lasat/setup.c @@ -117,7 +117,7 @@ static struct notifier_block lasat_panic_block[] = } }; -static void lasat_time_init(void) +void plat_time_init(void) { mips_hpt_frequency = lasat_board_info.li_cpu_hz / 2; } @@ -142,12 +142,8 @@ void __init plat_mem_setup(void) lasat_reboot_setup(); - board_time_init = lasat_time_init; - #ifdef CONFIG_DS1603 ds1603 = &ds_defs[mips_machtype]; - rtc_mips_get_time = ds1603_read; - rtc_mips_set_time = ds1603_set; #endif #ifdef DYNAMIC_SERIAL_INIT diff --git a/arch/mips/lasat/sysctl.c b/arch/mips/lasat/sysctl.c index 4575a829766d..389336c4ecc5 100644 --- a/arch/mips/lasat/sysctl.c +++ b/arch/mips/lasat/sysctl.c @@ -32,6 +32,8 @@ #include <linux/mutex.h> #include <linux/uaccess.h> +#include <asm/time.h> + #include "sysctl.h" #include "ds1603.h" @@ -106,7 +108,7 @@ int proc_dolasatrtc(ctl_table *table, int write, struct file *filp, mutex_lock(&lasat_info_mutex); if (!write) { - rtctmp = ds1603_read(); + rtctmp = read_persistent_clock(); /* check for time < 0 and set to 0 */ if (rtctmp < 0) rtctmp = 0; @@ -116,7 +118,7 @@ int proc_dolasatrtc(ctl_table *table, int write, struct file *filp, mutex_unlock(&lasat_info_mutex); return r; } - ds1603_set(rtctmp); + rtc_mips_set_mmss(rtctmp); mutex_unlock(&lasat_info_mutex); return 0; @@ -152,7 +154,7 @@ int sysctl_lasat_rtc(ctl_table *table, int *name, int nlen, int r; mutex_lock(&lasat_info_mutex); - rtctmp = ds1603_read(); + rtctmp = read_persistent_clock(); if (rtctmp < 0) rtctmp = 0; r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen); @@ -161,7 +163,7 @@ int sysctl_lasat_rtc(ctl_table *table, int *name, int nlen, return r; } if (newval && newlen) - ds1603_set(rtctmp); + rtc_mips_set_mmss(rtctmp); mutex_unlock(&lasat_info_mutex); return 1; diff --git a/arch/mips/lemote/lm2e/setup.c b/arch/mips/lemote/lm2e/setup.c index f34350a4f271..09314a20f9fb 100644 --- a/arch/mips/lemote/lm2e/setup.c +++ b/arch/mips/lemote/lm2e/setup.c @@ -58,13 +58,13 @@ void __init plat_timer_setup(struct irqaction *irq) setup_irq(MIPS_CPU_IRQ_BASE + 7, irq); } -static void __init loongson2e_time_init(void) +void __init plat_time_init(void) { /* setup mips r4k timer */ mips_hpt_frequency = cpu_clock_freq / 2; } -static unsigned long __init mips_rtc_get_time(void) +unsigned long read_persistent_clock(void) { return mc146818_get_cmos_time(); } @@ -89,9 +89,6 @@ void __init plat_mem_setup(void) mips_reboot_setup(); - board_time_init = loongson2e_time_init; - rtc_mips_get_time = mips_rtc_get_time; - __wbflush = wbflush_loongson2e; add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM); diff --git a/arch/mips/mips-boards/atlas/atlas_setup.c b/arch/mips/mips-boards/atlas/atlas_setup.c index c68358a476dd..86bfc0548164 100644 --- a/arch/mips/mips-boards/atlas/atlas_setup.c +++ b/arch/mips/mips-boards/atlas/atlas_setup.c @@ -35,8 +35,6 @@ #include <asm/traps.h> extern void mips_reboot_setup(void); -extern void mips_time_init(void); -extern unsigned long mips_rtc_get_time(void); #ifdef CONFIG_KGDB extern void kgdb_config(void); @@ -63,9 +61,6 @@ void __init plat_mem_setup(void) kgdb_config(); #endif mips_reboot_setup(); - - board_time_init = mips_time_init; - rtc_mips_get_time = mips_rtc_get_time; } static void __init serial_init(void) diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c index d7bff9ca5356..075f9d46f40e 100644 --- a/arch/mips/mips-boards/generic/time.c +++ b/arch/mips/mips-boards/generic/time.c @@ -224,12 +224,12 @@ static unsigned int __init estimate_cpu_frequency(void) return count; } -unsigned long __init mips_rtc_get_time(void) +unsigned long read_persistent_clock(void) { return mc146818_get_cmos_time(); } -void __init mips_time_init(void) +void __init plat_time_init(void) { unsigned int est_freq; diff --git a/arch/mips/mips-boards/malta/malta_setup.c b/arch/mips/mips-boards/malta/malta_setup.c index 8f1b78dfd89f..a5a5a43a1984 100644 --- a/arch/mips/mips-boards/malta/malta_setup.c +++ b/arch/mips/mips-boards/malta/malta_setup.c @@ -36,7 +36,6 @@ #endif extern void mips_reboot_setup(void); -extern void mips_time_init(void); extern unsigned long mips_rtc_get_time(void); #ifdef CONFIG_KGDB @@ -185,7 +184,4 @@ void __init plat_mem_setup(void) #endif #endif mips_reboot_setup(); - - board_time_init = mips_time_init; - rtc_mips_get_time = mips_rtc_get_time; } diff --git a/arch/mips/mips-boards/sead/sead_setup.c b/arch/mips/mips-boards/sead/sead_setup.c index 5f70eaf01fab..fad58972f3ac 100644 --- a/arch/mips/mips-boards/sead/sead_setup.c +++ b/arch/mips/mips-boards/sead/sead_setup.c @@ -35,7 +35,6 @@ #include <asm/time.h> extern void mips_reboot_setup(void); -extern void mips_time_init(void); static void __init serial_init(void); @@ -52,8 +51,6 @@ void __init plat_mem_setup(void) serial_init (); - board_time_init = mips_time_init; - mips_reboot_setup(); } diff --git a/arch/mips/mipssim/sim_setup.c b/arch/mips/mipssim/sim_setup.c index d012719c4d24..452c129d02c1 100644 --- a/arch/mips/mipssim/sim_setup.c +++ b/arch/mips/mipssim/sim_setup.c @@ -36,7 +36,6 @@ #include <asm/mips-boards/simint.h> -extern void sim_time_init(void); static void __init serial_init(void); unsigned int _isbonito = 0; @@ -54,7 +53,6 @@ void __init plat_mem_setup(void) serial_init(); - board_time_init = sim_time_init; pr_info("Linux started...\n"); #ifdef CONFIG_MIPS_MT_SMP diff --git a/arch/mips/mipssim/sim_time.c b/arch/mips/mipssim/sim_time.c index a0f5a5dca1b2..9a355e77952f 100644 --- a/arch/mips/mipssim/sim_time.c +++ b/arch/mips/mipssim/sim_time.c @@ -146,7 +146,7 @@ static unsigned int __init estimate_cpu_frequency(void) return count; } -void __init sim_time_init(void) +void __init plat_time_init(void) { unsigned int est_freq, flags; diff --git a/arch/mips/philips/pnx8550/common/setup.c b/arch/mips/philips/pnx8550/common/setup.c index 5bd737477685..2ce298f4d19a 100644 --- a/arch/mips/philips/pnx8550/common/setup.c +++ b/arch/mips/philips/pnx8550/common/setup.c @@ -47,7 +47,6 @@ extern void pnx8550_machine_halt(void); extern void pnx8550_machine_power_off(void); extern struct resource ioport_resource; extern struct resource iomem_resource; -extern void pnx8550_time_init(void); extern void rs_kgdb_hook(int tty_no); extern char *prom_getcmdline(void); @@ -104,8 +103,6 @@ void __init plat_mem_setup(void) _machine_halt = pnx8550_machine_halt; pm_power_off = pnx8550_machine_power_off; - board_time_init = pnx8550_time_init; - /* Clear the Global 2 Register, PCI Inta Output Enable Registers Bit 1:Enable DAC Powerdown -> 0:DACs are enabled and are working normally diff --git a/arch/mips/philips/pnx8550/common/time.c b/arch/mips/philips/pnx8550/common/time.c index 68def3880a1c..e818fd0f1584 100644 --- a/arch/mips/philips/pnx8550/common/time.c +++ b/arch/mips/philips/pnx8550/common/time.c @@ -1,6 +1,7 @@ /* * Copyright 2001, 2002, 2003 MontaVista Software Inc. * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) * * Common time service routines for MIPS machines. See * Documents/MIPS/README.txt. @@ -46,16 +47,16 @@ static void timer_ack(void) } /* - * pnx8550_time_init() - it does the following things: + * plat_time_init() - it does the following things: * - * 1) board_time_init() - + * 1) plat_time_init() - * a) (optional) set up RTC routines, * b) (optional) calibrate and set the mips_hpt_frequency * (only needed if you intended to use cpu counter as timer interrupt * source) */ -void pnx8550_time_init(void) +__init void plat_time_init(void) { unsigned int n; unsigned int m; diff --git a/arch/mips/pmc-sierra/msp71xx/msp_setup.c b/arch/mips/pmc-sierra/msp71xx/msp_setup.c index e4cc54824475..c93675615f5d 100644 --- a/arch/mips/pmc-sierra/msp71xx/msp_setup.c +++ b/arch/mips/pmc-sierra/msp71xx/msp_setup.c @@ -25,7 +25,6 @@ #define MSP_BOARD_RESET_GPIO 9 #endif -extern void msp_timer_init(void); extern void msp_serial_setup(void); extern void pmctwiled_setup(void); @@ -149,8 +148,6 @@ void __init plat_mem_setup(void) _machine_restart = msp_restart; _machine_halt = msp_halt; pm_power_off = msp_power_off; - - board_time_init = msp_timer_init; } void __init prom_init(void) diff --git a/arch/mips/pmc-sierra/msp71xx/msp_time.c b/arch/mips/pmc-sierra/msp71xx/msp_time.c index 2a2beac5a4f8..f221d4763625 100644 --- a/arch/mips/pmc-sierra/msp71xx/msp_time.c +++ b/arch/mips/pmc-sierra/msp71xx/msp_time.c @@ -36,7 +36,7 @@ #include <msp_int.h> #include <msp_regs.h> -void __init msp_timer_init(void) +void __init plat_time_init(void) { char *endp, *s; unsigned long cpu_rate = 0; @@ -81,7 +81,6 @@ void __init msp_timer_init(void) mips_hpt_frequency = cpu_rate/2; } - void __init plat_timer_setup(struct irqaction *irq) { #ifdef CONFIG_IRQ_MSP_CIC diff --git a/arch/mips/pmc-sierra/yosemite/setup.c b/arch/mips/pmc-sierra/yosemite/setup.c index 58862c8d1d00..56bf69595da8 100644 --- a/arch/mips/pmc-sierra/yosemite/setup.c +++ b/arch/mips/pmc-sierra/yosemite/setup.c @@ -70,7 +70,7 @@ void __init bus_error_init(void) } -unsigned long m48t37y_get_time(void) +unsigned long read_persistent_clock(void) { unsigned int year, month, day, hour, min, sec; unsigned long flags; @@ -95,7 +95,7 @@ unsigned long m48t37y_get_time(void) return mktime(year, month, day, hour, min, sec); } -int m48t37y_set_time(unsigned long sec) +int rtc_mips_set_time(unsigned long tim) { struct rtc_time tm; unsigned long flags; @@ -138,7 +138,7 @@ void __init plat_timer_setup(struct irqaction *irq) setup_irq(7, irq); } -void yosemite_time_init(void) +void __init plat_time_init(void) { mips_hpt_frequency = cpu_clock_freq / 2; mips_hpt_frequency = 33000000 * 3 * 5; @@ -198,17 +198,6 @@ static void __init py_rtc_setup(void) m48t37_base = ioremap(YOSEMITE_RTC_BASE, YOSEMITE_RTC_SIZE); if (!m48t37_base) printk(KERN_ERR "Mapping the RTC failed\n"); - - rtc_mips_get_time = m48t37y_get_time; - rtc_mips_set_time = m48t37y_set_time; - - write_seqlock(&xtime_lock); - xtime.tv_sec = m48t37y_get_time(); - xtime.tv_nsec = 0; - - set_normalized_timespec(&wall_to_monotonic, - -xtime.tv_sec, -xtime.tv_nsec); - write_sequnlock(&xtime_lock); } /* Not only time init but that's what the hook it's called through is named */ @@ -221,7 +210,6 @@ static void __init py_late_time_init(void) void __init plat_mem_setup(void) { - board_time_init = yosemite_time_init; late_time_init = py_late_time_init; /* Add memory regions */ diff --git a/arch/mips/sgi-ip22/ip22-setup.c b/arch/mips/sgi-ip22/ip22-setup.c index e7ce7982db72..174f09e42f6b 100644 --- a/arch/mips/sgi-ip22/ip22-setup.c +++ b/arch/mips/sgi-ip22/ip22-setup.c @@ -51,7 +51,6 @@ void ip22_do_break(void) EXPORT_SYMBOL(ip22_do_break); extern void ip22_be_init(void) __init; -extern void ip22_time_init(void) __init; void __init plat_mem_setup(void) { @@ -59,7 +58,6 @@ void __init plat_mem_setup(void) char *cserial; board_be_init = ip22_be_init; - ip22_time_init(); /* Init the INDY HPC I/O controller. Need to call this before * fucking with the memory controller because it needs to know the diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c index de3d01823ad5..0387c385b4b2 100644 --- a/arch/mips/sgi-ip22/ip22-time.c +++ b/arch/mips/sgi-ip22/ip22-time.c @@ -32,7 +32,7 @@ * note that mktime uses month from 1 to 12 while to_tm * uses 0 to 11. */ -static unsigned long indy_rtc_get_time(void) +unsigned long read_persistent_clock(void) { unsigned int yrs, mon, day, hrs, min, sec; unsigned int save_control; @@ -60,7 +60,7 @@ static unsigned long indy_rtc_get_time(void) return mktime(yrs + 1900, mon, day, hrs, min, sec); } -static int indy_rtc_set_time(unsigned long tim) +int rtc_mips_set_time(unsigned long tim) { struct rtc_time tm; unsigned int save_control; @@ -128,7 +128,7 @@ static unsigned long dosample(void) /* * Here we need to calibrate the cycle counter to at least be close. */ -static __init void indy_time_init(void) +__init void plat_time_init(void) { unsigned long r4k_ticks[3]; unsigned long r4k_tick; @@ -207,12 +207,3 @@ void __init plat_timer_setup(struct irqaction *irq) /* setup irqaction */ setup_irq(SGI_TIMER_IRQ, irq); } - -void __init ip22_time_init(void) -{ - /* setup hookup functions */ - rtc_mips_get_time = indy_rtc_get_time; - rtc_mips_set_time = indy_rtc_set_time; - - board_time_init = indy_time_init; -} diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index af08c41d6aa8..681b593071cb 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -194,7 +194,6 @@ static inline void ioc3_eth_init(void) ioc3->eier = 0; } -extern void ip27_time_init(void); extern void ip27_reboot_setup(void); void __init plat_mem_setup(void) @@ -241,6 +240,4 @@ void __init plat_mem_setup(void) per_cpu_init(); set_io_port_base(IO_BASE); - - board_time_init = ip27_time_init; } diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 31346162e9fa..9c1700e85be0 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -123,7 +123,7 @@ again: #include <asm/sn/sn0/hubio.h> #include <asm/pci/bridge.h> -static __init unsigned long get_m48t35_time(void) +unsigned long read_persistent_clock(void) { unsigned int year, month, date, hour, min, sec; struct m48t35_rtc *rtc; @@ -205,12 +205,10 @@ static cycle_t ip27_hpt_read(void) return REMOTE_HUB_L(cputonasid(0), PI_RT_COUNT); } -void __init ip27_time_init(void) +void __init plat_time_init(void) { clocksource_mips.read = ip27_hpt_read; mips_hpt_frequency = CYCLES_PER_SEC; - xtime.tv_sec = get_m48t35_time(); - xtime.tv_nsec = 0; } void __init cpu_time_init(void) diff --git a/arch/mips/sgi-ip32/ip32-setup.c b/arch/mips/sgi-ip32/ip32-setup.c index bbba066cb405..4125a5ba119e 100644 --- a/arch/mips/sgi-ip32/ip32-setup.c +++ b/arch/mips/sgi-ip32/ip32-setup.c @@ -62,10 +62,15 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str) } #endif +unsigned long read_persistent_clock(void) +{ + return mc146818_get_cmos_time(); +} + /* An arbitrary time; this can be decreased if reliability looks good */ #define WAIT_MS 10 -void __init ip32_time_init(void) +void __init plat_time_init(void) { printk(KERN_INFO "Calibrating system timer... "); write_c0_count(0); @@ -85,11 +90,6 @@ void __init plat_mem_setup(void) { board_be_init = ip32_be_init; - rtc_mips_get_time = mc146818_get_cmos_time; - rtc_mips_set_mmss = mc146818_set_rtc_mmss; - - board_time_init = ip32_time_init; - #ifdef CONFIG_SGI_O2MACE_ETH { char *mac = ArcGetEnvironmentVariable("eaddr"); diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c index 83572d8f3e14..8b3ef0e4cd55 100644 --- a/arch/mips/sibyte/swarm/setup.c +++ b/arch/mips/sibyte/swarm/setup.c @@ -69,7 +69,7 @@ const char *get_system_type(void) return "SiByte " SIBYTE_BOARD_NAME; } -void __init swarm_time_init(void) +void __init plat_time_init(void) { #if defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X) /* Setup HPT */ @@ -104,6 +104,44 @@ int swarm_be_handler(struct pt_regs *regs, int is_fixup) return (is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL); } +enum swarm_rtc_type { + RTC_NONE, + RTC_XICOR, + RTC_M4LT81 +}; + +enum swarm_rtc_type swarm_rtc_type; + +unsigned long read_persistent_clock(void) +{ + switch (swarm_rtc_type) { + case RTC_XICOR: + return xicor_get_time(); + + case RTC_M4LT81: + return m41t81_get_time(); + + case RTC_NONE: + default: + return mktime(2000, 1, 1, 0, 0, 0); + } +} + +int rtc_mips_set_time(unsigned long sec) +{ + switch (swarm_rtc_type) { + case RTC_XICOR: + return xicor_set_time(sec); + + case RTC_M4LT81: + return m41t81_set_time(sec); + + case RTC_NONE: + default: + return -1; + } +} + void __init plat_mem_setup(void) { #if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80) @@ -116,20 +154,12 @@ void __init plat_mem_setup(void) panic_timeout = 5; /* For debug. */ - board_time_init = swarm_time_init; board_be_handler = swarm_be_handler; - if (xicor_probe()) { - printk("swarm setup: Xicor 1241 RTC detected.\n"); - rtc_mips_get_time = xicor_get_time; - rtc_mips_set_time = xicor_set_time; - } - - if (m41t81_probe()) { - printk("swarm setup: M41T81 RTC detected.\n"); - rtc_mips_get_time = m41t81_get_time; - rtc_mips_set_time = m41t81_set_time; - } + if (xicor_probe()) + swarm_rtc_type = RTC_XICOR; + if (m41t81_probe()) + swarm_rtc_type = RTC_M4LT81; printk("This kernel optimized for " #ifdef CONFIG_SIMULATION diff --git a/arch/mips/sni/pcimt.c b/arch/mips/sni/pcimt.c index 44b1ae62aa4a..25cf646329ae 100644 --- a/arch/mips/sni/pcimt.c +++ b/arch/mips/sni/pcimt.c @@ -313,7 +313,6 @@ void __init sni_pcimt_init(void) { sni_pcimt_detect(); sni_pcimt_sc_init(); - board_time_init = sni_cpu_time_init; ioport_resource.end = sni_io_resource.end; #ifdef CONFIG_PCI PCIBIOS_MIN_IO = 0x9000; diff --git a/arch/mips/sni/pcit.c b/arch/mips/sni/pcit.c index 2480c478dcbd..3361bdd240e6 100644 --- a/arch/mips/sni/pcit.c +++ b/arch/mips/sni/pcit.c @@ -263,7 +263,6 @@ void __init sni_pcit_cplus_irq_init(void) void __init sni_pcit_init(void) { - board_time_init = sni_cpu_time_init; ioport_resource.end = sni_io_resource.end; #ifdef CONFIG_PCI PCIBIOS_MIN_IO = 0x9000; diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c index 28a11d8605ce..94f115c6b2e0 100644 --- a/arch/mips/sni/rm200.c +++ b/arch/mips/sni/rm200.c @@ -194,5 +194,4 @@ void __init sni_rm200_init(void) { set_io_port_base(SNI_PORT_BASE + 0x02000000); ioport_resource.end += 0x02000000; - board_time_init = sni_cpu_time_init; } diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c index 20028fc7757e..92452d677d8f 100644 --- a/arch/mips/sni/time.c +++ b/arch/mips/sni/time.c @@ -4,6 +4,7 @@ #include <asm/sni.h> #include <asm/time.h> +#include <asm-generic/rtc.h> #define SNI_CLOCK_TICK_RATE 3686400 #define SNI_COUNTER2_DIV 64 @@ -71,7 +72,7 @@ static __init unsigned long dosample(void) /* * Here we need to calibrate the cycle counter to at least be close. */ -__init void sni_cpu_time_init(void) +void __init plat_time_init(void) { unsigned long r4k_ticks[3]; unsigned long r4k_tick; @@ -146,3 +147,8 @@ void __init plat_timer_setup(struct irqaction *irq) break; } } + +unsigned long read_persistent_clock(void) +{ + return -1; +} diff --git a/arch/mips/tx4927/common/tx4927_setup.c b/arch/mips/tx4927/common/tx4927_setup.c index b18ed58f88a9..8ce0989671d8 100644 --- a/arch/mips/tx4927/common/tx4927_setup.c +++ b/arch/mips/tx4927/common/tx4927_setup.c @@ -49,14 +49,11 @@ #undef DEBUG -void __init tx4927_time_init(void); void dump_cp0(char *key); void __init plat_mem_setup(void) { - board_time_init = tx4927_time_init; - #ifdef CONFIG_TOSHIBA_RBTX4927 { extern void toshiba_rbtx4927_setup(void); @@ -65,20 +62,16 @@ void __init plat_mem_setup(void) #endif } -void __init tx4927_time_init(void) +void __init plat_time_init(void) { - #ifdef CONFIG_TOSHIBA_RBTX4927 { extern void toshiba_rbtx4927_time_init(void); toshiba_rbtx4927_time_init(); } #endif - - return; } - void __init plat_timer_setup(struct irqaction *irq) { setup_irq(TX4927_IRQ_CPU_TIMER, irq); diff --git a/arch/mips/tx4938/common/setup.c b/arch/mips/tx4938/common/setup.c index 142abf453e40..ab4082267553 100644 --- a/arch/mips/tx4938/common/setup.c +++ b/arch/mips/tx4938/common/setup.c @@ -34,25 +34,16 @@ #include <asm/tx4938/rbtx4938.h> extern void toshiba_rbtx4938_setup(void); -extern void rbtx4938_time_init(void); void __init tx4938_setup(void); -void __init tx4938_time_init(void); void dump_cp0(char *key); void __init plat_mem_setup(void) { - board_time_init = tx4938_time_init; toshiba_rbtx4938_setup(); } -void __init -tx4938_time_init(void) -{ - rbtx4938_time_init(); -} - void __init plat_timer_setup(struct irqaction *irq) { setup_irq(TX4938_IRQ_CPU_TIMER, irq); diff --git a/arch/mips/tx4938/toshiba_rbtx4938/setup.c b/arch/mips/tx4938/toshiba_rbtx4938/setup.c index f236b1ff8923..304b406fcb9d 100644 --- a/arch/mips/tx4938/toshiba_rbtx4938/setup.c +++ b/arch/mips/tx4938/toshiba_rbtx4938/setup.c @@ -39,7 +39,6 @@ #include <asm/tx4938/spi.h> #include <asm/gpio.h> -extern void rbtx4938_time_init(void) __init; extern char * __init prom_getcmdline(void); static inline void tx4938_report_pcic_status1(struct tx4938_pcic_reg *pcicptr); @@ -856,7 +855,7 @@ void tx4938_report_pcic_status(void) /* We use onchip r4k counter or TMR timer as our system wide timer * interrupt running at 100HZ. */ -void __init rbtx4938_time_init(void) +void __init plat_time_init(void) { mips_hpt_frequency = txx9_cpu_clock / 2; } diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c index 4f97e0ba9e24..407cec203b29 100644 --- a/arch/mips/vr41xx/common/init.c +++ b/arch/mips/vr41xx/common/init.c @@ -36,7 +36,7 @@ static void __init iomem_resource_init(void) iomem_resource.end = IO_MEM_RESOURCE_END; } -static void __init setup_timer_frequency(void) +void __init plat_time_init(void) { unsigned long tclock; @@ -53,16 +53,10 @@ void __init plat_timer_setup(struct irqaction *irq) setup_irq(TIMER_IRQ, irq); } -static void __init timer_init(void) -{ - board_time_init = setup_timer_frequency; -} - void __init plat_mem_setup(void) { vr41xx_calculate_clock_frequency(); - timer_init(); iomem_resource_init(); } diff --git a/include/asm-mips/mach-bcm47xx/bcm47xx.h b/include/asm-mips/mach-bcm47xx/bcm47xx.h index a2fb5e8dd6c6..d008f47a28bd 100644 --- a/include/asm-mips/mach-bcm47xx/bcm47xx.h +++ b/include/asm-mips/mach-bcm47xx/bcm47xx.h @@ -22,6 +22,4 @@ /* SSB bus */ extern struct ssb_bus ssb_bcm47xx; -extern void bcm47xx_time_init(void); - #endif /* __ASM_BCM47XX_H */ diff --git a/include/asm-mips/time.h b/include/asm-mips/time.h index a632cef830a2..74ab33157d69 100644 --- a/include/asm-mips/time.h +++ b/include/asm-mips/time.h @@ -26,15 +26,13 @@ extern spinlock_t rtc_lock; /* - * RTC ops. By default, they point to no-RTC functions. - * rtc_mips_get_time - mktime(year, mon, day, hour, min, sec) in seconds. + * RTC ops. By default, they point to weak no-op RTC functions. * rtc_mips_set_time - reverse the above translation and set time to RTC. * rtc_mips_set_mmss - similar to rtc_set_time, but only min and sec need * to be set. Used by RTC sync-up. */ -extern unsigned long (*rtc_mips_get_time)(void); -extern int (*rtc_mips_set_time)(unsigned long); -extern int (*rtc_mips_set_mmss)(unsigned long); +extern int rtc_mips_set_time(unsigned long); +extern int rtc_mips_set_mmss(unsigned long); /* * Timer interrupt functions. @@ -75,11 +73,9 @@ extern asmlinkage void ll_local_timer_interrupt(int irq); /* * board specific routines required by time_init(). - * board_time_init is defaulted to NULL and can remain so. - * plat_timer_setup must be setup properly in machine setup routine. */ struct irqaction; -extern void (*board_time_init)(void); +extern void plat_time_init(void); extern void plat_timer_setup(struct irqaction *irq); /* |