diff options
Diffstat (limited to 'arch/mips/mti-malta')
| -rw-r--r-- | arch/mips/mti-malta/malta-amon.c | 6 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-cmdline.c | 2 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-display.c | 6 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-init.c | 14 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-int.c | 40 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-memory.c | 4 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-pci.c | 6 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-platform.c | 2 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-setup.c | 4 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-smtc.c | 2 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-time.c | 83 |
11 files changed, 93 insertions, 76 deletions
diff --git a/arch/mips/mti-malta/malta-amon.c b/arch/mips/mti-malta/malta-amon.c index 469d9b0cee6..1e478445801 100644 --- a/arch/mips/mti-malta/malta-amon.c +++ b/arch/mips/mti-malta/malta-amon.c @@ -70,12 +70,12 @@ void amon_cpu_start(int cpu, launch->sp = sp; launch->a0 = a0; - smp_wmb(); /* Target must see parameters before go */ + smp_wmb(); /* Target must see parameters before go */ launch->flags |= LAUNCH_FGO; - smp_wmb(); /* Target must see go before we poll */ + smp_wmb(); /* Target must see go before we poll */ while ((launch->flags & LAUNCH_FGONE) == 0) ; - smp_rmb(); /* Target will be updating flags soon */ + smp_rmb(); /* Target will be updating flags soon */ pr_debug("launch: cpu%d gone!\n", cpu); } diff --git a/arch/mips/mti-malta/malta-cmdline.c b/arch/mips/mti-malta/malta-cmdline.c index 1871c30ed2e..5576a306a14 100644 --- a/arch/mips/mti-malta/malta-cmdline.c +++ b/arch/mips/mti-malta/malta-cmdline.c @@ -46,7 +46,7 @@ void __init prom_init_cmdline(void) cp = &(arcs_cmdline[0]); while(actr < prom_argc) { - strcpy(cp, prom_argv(actr)); + strcpy(cp, prom_argv(actr)); cp += strlen(prom_argv(actr)); *cp++ = ' '; actr++; diff --git a/arch/mips/mti-malta/malta-display.c b/arch/mips/mti-malta/malta-display.c index 7c8828fcb0a..9bc58a24e80 100644 --- a/arch/mips/mti-malta/malta-display.c +++ b/arch/mips/mti-malta/malta-display.c @@ -37,10 +37,10 @@ void mips_display_message(const char *str) display = ioremap(ASCII_DISPLAY_POS_BASE, 16*sizeof(int)); for (i = 0; i <= 14; i=i+2) { - if (*str) - __raw_writel(*str++, display + i); + if (*str) + __raw_writel(*str++, display + i); else - __raw_writel(' ', display + i); + __raw_writel(' ', display + i); } } diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c index 27a6cdb36e3..c2cbce9e435 100644 --- a/arch/mips/mti-malta/malta-init.c +++ b/arch/mips/mti-malta/malta-init.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1999, 2000, 2004, 2005 MIPS Technologies, Inc. + * Copyright (C) 1999, 2000, 2004, 2005 MIPS Technologies, Inc. * All rights reserved. * Authors: Carsten Langgaard <carstenl@mips.com> * Maciej W. Rozycki <macro@mips.com> @@ -110,20 +110,20 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str) int get_ethernet_addr(char *ethernet_addr) { - char *ethaddr_str; + char *ethaddr_str; - ethaddr_str = prom_getenv("ethaddr"); + ethaddr_str = prom_getenv("ethaddr"); if (!ethaddr_str) { - printk("ethaddr not set in boot prom\n"); + printk("ethaddr not set in boot prom\n"); return -1; } str2eaddr(ethernet_addr, ethaddr_str); if (init_debug > 1) { - int i; + int i; printk("get_ethernet_addr: "); - for (i=0; i<5; i++) - printk("%02x:", (unsigned char)*(ethernet_addr+i)); + for (i=0; i<5; i++) + printk("%02x:", (unsigned char)*(ethernet_addr+i)); printk("%02x\n", *(ethernet_addr+i)); } diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index 647b8638318..e364af70e6c 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -84,10 +84,10 @@ static inline int mips_pcibios_iack(void) /* Flush Bonito register block */ (void) BONITO_PCIMAP_CFG; - iob(); /* sync */ + iob(); /* sync */ irq = __raw_readl((u32 *)_pcictrl_bonito_pcicfg); - iob(); /* sync */ + iob(); /* sync */ irq &= 0xff; BONITO_PCIMAP_CFG = 0; break; @@ -136,7 +136,7 @@ static void malta_ipi_irqdispatch(void) irq = gic_get_int(); if (irq < 0) - return; /* interrupt has already been cleared */ + return; /* interrupt has already been cleared */ do_IRQ(MIPS_GIC_IRQ_BASE + irq); } @@ -149,7 +149,7 @@ static void corehi_irqdispatch(void) struct pt_regs *regs = get_irq_regs(); printk(KERN_EMERG "CoreHI interrupt, shouldn't happen, we die here!\n"); - printk(KERN_EMERG "epc : %08lx\nStatus: %08lx\n" + printk(KERN_EMERG "epc : %08lx\nStatus: %08lx\n" "Cause : %08lx\nbadVaddr : %08lx\n", regs->cp0_epc, regs->cp0_status, regs->cp0_cause, regs->cp0_badvaddr); @@ -249,20 +249,20 @@ static inline unsigned int irq_ffs(unsigned int pending) * on hardware interrupt 0 (MIPS IRQ 2)) like: * * MIPS IRQ Source - * -------- ------ - * 0 Software (ignored) - * 1 Software (ignored) - * 2 Combined hardware interrupt (hw0) - * 3 Hardware (ignored) - * 4 Hardware (ignored) - * 5 Hardware (ignored) - * 6 Hardware (ignored) - * 7 R4k timer (what we use) + * -------- ------ + * 0 Software (ignored) + * 1 Software (ignored) + * 2 Combined hardware interrupt (hw0) + * 3 Hardware (ignored) + * 4 Hardware (ignored) + * 5 Hardware (ignored) + * 6 Hardware (ignored) + * 7 R4k timer (what we use) * * We handle the IRQ according to _our_ priority which is: * - * Highest ---- R4k Timer - * Lowest ---- Combined hardware interrupt + * Highest ---- R4k Timer + * Lowest ---- Combined hardware interrupt * * then we just return, if multiple IRQs are pending then we will just take * another exception, big deal. @@ -396,7 +396,7 @@ static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap); static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = { { X, X, X, X, 0 }, - { X, X, X, X, 0 }, + { X, X, X, X, 0 }, { X, X, X, X, 0 }, { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, { 0, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, @@ -410,7 +410,7 @@ static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = { { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, { 0, GIC_CPU_NMI, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, { 0, GIC_CPU_NMI, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, - { X, X, X, X, 0 }, + { X, X, X, X, 0 }, /* The remainder of this table is initialised by fill_ipi_map */ }; #undef X @@ -634,7 +634,7 @@ void malta_be_init(void) static char *tr[8] = { "mem", "gcr", "gic", "mmio", - "0x04", "0x05", "0x06", "0x07" + "0x04", "0x05", "0x06", "0x07" }; static char *mcmd[32] = { @@ -673,10 +673,10 @@ static char *mcmd[32] = { }; static char *core[8] = { - "Invalid/OK", "Invalid/Data", + "Invalid/OK", "Invalid/Data", "Shared/OK", "Shared/Data", "Modified/OK", "Modified/Data", - "Exclusive/OK", "Exclusive/Data" + "Exclusive/OK", "Exclusive/Data" }; static char *causes[32] = { diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c index a96d281f922..f3d43aa023a 100644 --- a/arch/mips/mti-malta/malta-memory.c +++ b/arch/mips/mti-malta/malta-memory.c @@ -47,7 +47,7 @@ static char *mtypes[3] = { }; #endif -/* determined physical memory size, not overridden by command line args */ +/* determined physical memory size, not overridden by command line args */ unsigned long physical_memsize = 0L; static struct prom_pmemblock * __init prom_getmdesc(void) @@ -158,7 +158,7 @@ void __init prom_meminit(void) size = p->size; add_memory_region(base, size, type); - p++; + p++; } } diff --git a/arch/mips/mti-malta/malta-pci.c b/arch/mips/mti-malta/malta-pci.c index 2147cb34e70..37134ddfeaa 100644 --- a/arch/mips/mti-malta/malta-pci.c +++ b/arch/mips/mti-malta/malta-pci.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1999, 2000, 2004, 2005 MIPS Technologies, Inc. + * Copyright (C) 1999, 2000, 2004, 2005 MIPS Technologies, Inc. * All rights reserved. * Authors: Carsten Langgaard <carstenl@mips.com> * Maciej W. Rozycki <macro@mips.com> @@ -127,7 +127,7 @@ void __init mips_pcibios_init(void) map = map1; } mask = ~(start ^ end); - /* We don't support remapping with a discontiguous mask. */ + /* We don't support remapping with a discontiguous mask. */ BUG_ON((start & GT_PCI_HD_MSK) != (map & GT_PCI_HD_MSK) && mask != ~((mask & -mask) - 1)); gt64120_mem_resource.start = start; @@ -144,7 +144,7 @@ void __init mips_pcibios_init(void) map = GT_READ(GT_PCI0IOREMAP_OFS); end = (end & GT_PCI_HD_MSK) | (start & ~GT_PCI_HD_MSK); mask = ~(start ^ end); - /* We don't support remapping with a discontiguous mask. */ + /* We don't support remapping with a discontiguous mask. */ BUG_ON((start & GT_PCI_HD_MSK) != (map & GT_PCI_HD_MSK) && mask != ~((mask & -mask) - 1)); gt64120_io_resource.start = map & mask; diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c index 74732177851..132f8663825 100644 --- a/arch/mips/mti-malta/malta-platform.c +++ b/arch/mips/mti-malta/malta-platform.c @@ -93,7 +93,7 @@ static struct mtd_partition malta_mtd_partitions[] = { .mask_flags = MTD_WRITEABLE }, { .name = "User FS", - .offset = 0x100000, + .offset = 0x100000, .size = 0x2e0000 }, { .name = "Board Config", diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c index 2e28f653f66..200f64df2c9 100644 --- a/arch/mips/mti-malta/malta-setup.c +++ b/arch/mips/mti-malta/malta-setup.c @@ -78,9 +78,9 @@ const char *get_system_type(void) } #if defined(CONFIG_MIPS_MT_SMTC) -const char display_string[] = " SMTC LINUX ON MALTA "; +const char display_string[] = " SMTC LINUX ON MALTA "; #else -const char display_string[] = " LINUX ON MALTA "; +const char display_string[] = " LINUX ON MALTA "; #endif /* CONFIG_MIPS_MT_SMTC */ #ifdef CONFIG_BLK_DEV_FD diff --git a/arch/mips/mti-malta/malta-smtc.c b/arch/mips/mti-malta/malta-smtc.c index 1efc8c39448..becbf47506a 100644 --- a/arch/mips/mti-malta/malta-smtc.c +++ b/arch/mips/mti-malta/malta-smtc.c @@ -126,7 +126,7 @@ int plat_set_irq_affinity(struct irq_data *d, const struct cpumask *affinity, * to the CPU daughterboard, and on the CoreFPGA2/3 34K models, * that signal is brought to IP2 of both VPEs. To avoid racing * concurrent interrupt service events, IP2 is enabled only on - * one VPE, by convention VPE0. So long as no bits are ever + * one VPE, by convention VPE0. So long as no bits are ever * cleared in the affinity mask, there will never be any * interrupt forwarding. But as soon as a program or operator * sets affinity for one of the related IRQs, we need to make diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c index 115f5bc0600..a144b89cf9b 100644 --- a/arch/mips/mti-malta/malta-time.c +++ b/arch/mips/mti-malta/malta-time.c @@ -17,7 +17,6 @@ * * Setting up the clock on the MIPS boards. */ - #include <linux/types.h> #include <linux/i8253.h> #include <linux/init.h> @@ -25,7 +24,6 @@ #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/interrupt.h> -#include <linux/time.h> #include <linux/timex.h> #include <linux/mc146818rtc.h> @@ -34,11 +32,11 @@ #include <asm/hardirq.h> #include <asm/irq.h> #include <asm/div64.h> -#include <asm/cpu.h> #include <asm/setup.h> #include <asm/time.h> #include <asm/mc146818-time.h> #include <asm/msc01_ic.h> +#include <asm/gic.h> #include <asm/mips-boards/generic.h> #include <asm/mips-boards/prom.h> @@ -46,6 +44,7 @@ #include <asm/mips-boards/maltaint.h> unsigned long cpu_khz; +int gic_frequency; static int mips_cpu_timer_irq; static int mips_cpu_perf_irq; @@ -61,44 +60,50 @@ static void mips_perf_dispatch(void) do_IRQ(mips_cpu_perf_irq); } +static unsigned int freqround(unsigned int freq, unsigned int amount) +{ + freq += amount; + freq -= freq % (amount*2); + return freq; +} + /* - * Estimate CPU frequency. Sets mips_hpt_frequency as a side-effect + * Estimate CPU and GIC frequencies. */ -static unsigned int __init estimate_cpu_frequency(void) +static void __init estimate_frequencies(void) { - unsigned int prid = read_c0_prid() & 0xffff00; - unsigned int count; - unsigned long flags; - unsigned int start; + unsigned int count, start; + unsigned int giccount = 0, gicstart = 0; local_irq_save(flags); - /* Start counter exactly on falling edge of update flag */ + /* Start counter exactly on falling edge of update flag. */ while (CMOS_READ(RTC_REG_A) & RTC_UIP); while (!(CMOS_READ(RTC_REG_A) & RTC_UIP)); - /* Start r4k counter. */ + /* Initialize counters. */ start = read_c0_count(); + if (gic_present) + GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_31_00), gicstart); - /* Read counter exactly on falling edge of update flag */ + /* Read counter exactly on falling edge of update flag. */ while (CMOS_READ(RTC_REG_A) & RTC_UIP); while (!(CMOS_READ(RTC_REG_A) & RTC_UIP)); - count = read_c0_count() - start; + count = read_c0_count(); + if (gic_present) + GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_31_00), giccount); - /* restore interrupts */ local_irq_restore(flags); - mips_hpt_frequency = count; - if ((prid != (PRID_COMP_MIPS | PRID_IMP_20KC)) && - (prid != (PRID_COMP_MIPS | PRID_IMP_25KF))) - count *= 2; - - count += 5000; /* round */ - count -= count%10000; + count -= start; + if (gic_present) + giccount -= gicstart; - return count; + mips_hpt_frequency = count; + if (gic_present) + gic_frequency = giccount; } void read_persistent_clock(struct timespec *ts) @@ -144,22 +149,34 @@ unsigned int __cpuinit get_c0_compare_int(void) void __init plat_time_init(void) { - unsigned int est_freq; - - /* Set Data mode - binary. */ - CMOS_WRITE(CMOS_READ(RTC_CONTROL) | RTC_DM_BINARY, RTC_CONTROL); - - est_freq = estimate_cpu_frequency(); + unsigned int prid = read_c0_prid() & 0xffff00; + unsigned int freq; - printk("CPU frequency %d.%02d MHz\n", est_freq/1000000, - (est_freq%1000000)*100/1000000); + estimate_frequencies(); - cpu_khz = est_freq / 1000; + freq = mips_hpt_frequency; + if ((prid != (PRID_COMP_MIPS | PRID_IMP_20KC)) && + (prid != (PRID_COMP_MIPS | PRID_IMP_25KF))) + freq *= 2; + freq = freqround(freq, 5000); + pr_debug("CPU frequency %d.%02d MHz\n", freq/1000000, + (freq%1000000)*100/1000000); + cpu_khz = freq / 1000; + + if (gic_present) { + freq = freqround(gic_frequency, 5000); + pr_debug("GIC frequency %d.%02d MHz\n", freq/1000000, + (freq%1000000)*100/1000000); + gic_clocksource_init(gic_frequency); + } else + init_r4k_clocksource(); - mips_scroll_message(); -#ifdef CONFIG_I8253 /* Only Malta has a PIT */ +#ifdef CONFIG_I8253 + /* Only Malta has a PIT. */ setup_pit_timer(); #endif + mips_scroll_message(); + plat_perf_setup(); } |