diff options
Diffstat (limited to 'arch/mips/jazz')
| -rw-r--r-- | arch/mips/jazz/Kconfig | 6 | ||||
| -rw-r--r-- | arch/mips/jazz/Makefile | 4 | ||||
| -rw-r--r-- | arch/mips/jazz/Platform | 6 | ||||
| -rw-r--r-- | arch/mips/jazz/irq.c | 67 | ||||
| -rw-r--r-- | arch/mips/jazz/jazzdma.c | 17 | ||||
| -rw-r--r-- | arch/mips/jazz/setup.c | 63 |
6 files changed, 77 insertions, 86 deletions
diff --git a/arch/mips/jazz/Kconfig b/arch/mips/jazz/Kconfig index 1f372b0d255..fb1e072da30 100644 --- a/arch/mips/jazz/Kconfig +++ b/arch/mips/jazz/Kconfig @@ -1,6 +1,6 @@ config ACER_PICA_61 - bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)" - depends on MACH_JAZZ && EXPERIMENTAL + bool "Support for Acer PICA 1 chipset" + depends on MACH_JAZZ select DMA_NONCOHERENT select SYS_SUPPORTS_LITTLE_ENDIAN help @@ -13,7 +13,7 @@ config MIPS_MAGNUM_4000 bool "Support for MIPS Magnum 4000" depends on MACH_JAZZ select DMA_NONCOHERENT - select SYS_SUPPORTS_BIG_ENDIAN if EXPERIMENTAL + select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN help This is a machine with a R4000 100 MHz CPU. To compile a Linux diff --git a/arch/mips/jazz/Makefile b/arch/mips/jazz/Makefile index 5aee0c266d1..624b0ee3e5d 100644 --- a/arch/mips/jazz/Makefile +++ b/arch/mips/jazz/Makefile @@ -2,6 +2,4 @@ # Makefile for the Jazz family specific parts of the kernel # -obj-y := irq.o jazzdma.o reset.o setup.o - -EXTRA_CFLAGS += -Werror +obj-y := irq.o jazzdma.o reset.o setup.o diff --git a/arch/mips/jazz/Platform b/arch/mips/jazz/Platform new file mode 100644 index 00000000000..3373788acca --- /dev/null +++ b/arch/mips/jazz/Platform @@ -0,0 +1,6 @@ +# +# Acer PICA 61, Mips Magnum 4000 and Olivetti M700. +# +platform-$(CONFIG_MACH_JAZZ) += jazz/ +cflags-$(CONFIG_MACH_JAZZ) += -I$(srctree)/arch/mips/include/asm/mach-jazz +load-$(CONFIG_MACH_JAZZ) += 0xffffffff80080000 diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c index 835b056cea3..e1ea4f625f7 100644 --- a/arch/mips/jazz/irq.c +++ b/arch/mips/jazz/irq.c @@ -4,50 +4,52 @@ * for more details. * * Copyright (C) 1992 Linus Torvalds - * Copyright (C) 1994 - 2001, 2003 Ralf Baechle + * Copyright (C) 1994 - 2001, 2003, 07 Ralf Baechle */ #include <linux/clockchips.h> +#include <linux/i8253.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/kernel.h> +#include <linux/smp.h> #include <linux/spinlock.h> +#include <linux/irq.h> #include <asm/irq_cpu.h> #include <asm/i8259.h> #include <asm/io.h> #include <asm/jazz.h> #include <asm/pgtable.h> +#include <asm/tlbmisc.h> -static DEFINE_SPINLOCK(r4030_lock); +static DEFINE_RAW_SPINLOCK(r4030_lock); -static void enable_r4030_irq(unsigned int irq) +static void enable_r4030_irq(struct irq_data *d) { - unsigned int mask = 1 << (irq - JAZZ_IRQ_START); + unsigned int mask = 1 << (d->irq - JAZZ_IRQ_START); unsigned long flags; - spin_lock_irqsave(&r4030_lock, flags); + raw_spin_lock_irqsave(&r4030_lock, flags); mask |= r4030_read_reg16(JAZZ_IO_IRQ_ENABLE); r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, mask); - spin_unlock_irqrestore(&r4030_lock, flags); + raw_spin_unlock_irqrestore(&r4030_lock, flags); } -void disable_r4030_irq(unsigned int irq) +void disable_r4030_irq(struct irq_data *d) { - unsigned int mask = ~(1 << (irq - JAZZ_IRQ_START)); + unsigned int mask = ~(1 << (d->irq - JAZZ_IRQ_START)); unsigned long flags; - spin_lock_irqsave(&r4030_lock, flags); + raw_spin_lock_irqsave(&r4030_lock, flags); mask &= r4030_read_reg16(JAZZ_IO_IRQ_ENABLE); r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, mask); - spin_unlock_irqrestore(&r4030_lock, flags); + raw_spin_unlock_irqrestore(&r4030_lock, flags); } static struct irq_chip r4030_irq_type = { .name = "R4030", - .ack = disable_r4030_irq, - .mask = disable_r4030_irq, - .mask_ack = disable_r4030_irq, - .unmask = enable_r4030_irq, + .irq_mask = disable_r4030_irq, + .irq_unmask = enable_r4030_irq, }; void __init init_r4030_ints(void) @@ -55,7 +57,7 @@ void __init init_r4030_ints(void) int i; for (i = JAZZ_IRQ_START; i <= JAZZ_IRQ_END; i++) - set_irq_chip_and_handler(i, &r4030_irq_type, handle_level_irq); + irq_set_chip_and_handler(i, &r4030_irq_type, handle_level_irq); r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, 0); r4030_read_reg16(JAZZ_IO_IRQ_SOURCE); /* clear pending IRQs */ @@ -96,9 +98,10 @@ asmlinkage void plat_irq_dispatch(void) if (pending & IE_IRQ4) { r4030_read_reg32(JAZZ_TIMER_REGISTER); do_IRQ(JAZZ_TIMER_IRQ); - } else if (pending & IE_IRQ2) - do_IRQ(r4030_read_reg32(JAZZ_EISA_IRQ_ACK)); - else if (pending & IE_IRQ1) { + } else if (pending & IE_IRQ2) { + irq = *(volatile u8 *)JAZZ_EISA_IRQ_ACK; + do_IRQ(irq); + } else if (pending & IE_IRQ1) { irq = *(volatile u8 *)JAZZ_IO_IRQ_SOURCE >> 2; if (likely(irq > 0)) do_IRQ(irq + JAZZ_IRQ_START - 1); @@ -108,7 +111,7 @@ asmlinkage void plat_irq_dispatch(void) } static void r4030_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) + struct clock_event_device *evt) { /* Nothing to do ... */ } @@ -116,32 +119,38 @@ static void r4030_set_mode(enum clock_event_mode mode, struct clock_event_device r4030_clockevent = { .name = "r4030", .features = CLOCK_EVT_FEAT_PERIODIC, - .rating = 100, + .rating = 300, .irq = JAZZ_TIMER_IRQ, - .cpumask = CPU_MASK_CPU0, .set_mode = r4030_set_mode, }; static irqreturn_t r4030_timer_interrupt(int irq, void *dev_id) { - r4030_clockevent.event_handler(&r4030_clockevent); + struct clock_event_device *cd = dev_id; + cd->event_handler(cd); return IRQ_HANDLED; } static struct irqaction r4030_timer_irqaction = { .handler = r4030_timer_interrupt, - .flags = IRQF_DISABLED, - .mask = CPU_MASK_CPU0, - .name = "timer", + .flags = IRQF_TIMER, + .name = "R4030 timer", }; -void __init plat_timer_setup(struct irqaction *ignored) +void __init plat_time_init(void) { - struct irqaction *irq = &r4030_timer_irqaction; + struct clock_event_device *cd = &r4030_clockevent; + struct irqaction *action = &r4030_timer_irqaction; + unsigned int cpu = smp_processor_id(); BUG_ON(HZ != 100); + cd->cpumask = cpumask_of(cpu); + clockevents_register_device(cd); + action->dev_id = cd; + setup_irq(JAZZ_TIMER_IRQ, action); + /* * Set clock to 100Hz. * @@ -149,7 +158,5 @@ void __init plat_timer_setup(struct irqaction *ignored) * a programmable 4-bit divider. This makes it fairly inflexible. */ r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9); - setup_irq(JAZZ_TIMER_IRQ, irq); - - clockevents_register_device(&r4030_clockevent); + setup_pit_timer(); } diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c index c672c08d49e..db6f5afff4f 100644 --- a/arch/mips/jazz/jazzdma.c +++ b/arch/mips/jazz/jazzdma.c @@ -14,6 +14,7 @@ #include <linux/mm.h> #include <linux/bootmem.h> #include <linux/spinlock.h> +#include <linux/gfp.h> #include <asm/mipsregs.h> #include <asm/jazz.h> #include <asm/io.h> @@ -62,14 +63,13 @@ static inline void vdma_pgtbl_init(void) static int __init vdma_init(void) { /* - * Allocate 32k of memory for DMA page tables. This needs to be page + * Allocate 32k of memory for DMA page tables. This needs to be page * aligned and should be uncached to avoid cache flushing after every * update. */ pgtbl = (VDMA_PGTBL_ENTRY *)__get_free_pages(GFP_KERNEL | GFP_DMA, get_order(VDMA_PGTBL_SIZE)); - if (!pgtbl) - BUG(); + BUG_ON(!pgtbl); dma_cache_wback_inv((unsigned long)pgtbl, VDMA_PGTBL_SIZE); pgtbl = (VDMA_PGTBL_ENTRY *)KSEG1ADDR(pgtbl); @@ -191,7 +191,7 @@ int vdma_free(unsigned long laddr) return -1; } - while (pgtbl[i].owner == laddr && i < VDMA_PGTBL_ENTRIES) { + while (i < VDMA_PGTBL_ENTRIES && pgtbl[i].owner == laddr) { pgtbl[i].owner = VDMA_PAGE_EMPTY; i++; } @@ -211,25 +211,24 @@ EXPORT_SYMBOL(vdma_free); */ int vdma_remap(unsigned long laddr, unsigned long paddr, unsigned long size) { - int first, pages, npages; + int first, pages; if (laddr > 0xffffff) { if (vdma_debug) printk ("vdma_map: Invalid logical address: %08lx\n", laddr); - return -EINVAL; /* invalid logical address */ + return -EINVAL; /* invalid logical address */ } if (paddr > 0x1fffffff) { if (vdma_debug) printk ("vdma_map: Invalid physical address: %08lx\n", paddr); - return -EINVAL; /* invalid physical address */ + return -EINVAL; /* invalid physical address */ } - npages = pages = - (((paddr & (VDMA_PAGESIZE - 1)) + size) >> 12) + 1; + pages = (((paddr & (VDMA_PAGESIZE - 1)) + size) >> 12) + 1; first = laddr >> 12; if (vdma_debug) printk("vdma_remap: first=%x, pages=%x\n", first, pages); diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c index cfc7dce78da..e4374a5651c 100644 --- a/arch/mips/jazz/setup.c +++ b/arch/mips/jazz/setup.c @@ -5,36 +5,23 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1996, 1997, 1998, 2001 by Ralf Baechle + * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle * Copyright (C) 2001 MIPS Technologies, Inc. * Copyright (C) 2007 by Thomas Bogendoerfer */ #include <linux/eisa.h> -#include <linux/hdreg.h> #include <linux/init.h> #include <linux/ioport.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/mm.h> #include <linux/console.h> -#include <linux/fb.h> -#include <linux/ide.h> -#include <linux/pm.h> #include <linux/screen_info.h> #include <linux/platform_device.h> #include <linux/serial_8250.h> -#include <asm/bootinfo.h> -#include <asm/i8253.h> -#include <asm/irq.h> #include <asm/jazz.h> #include <asm/jazzdma.h> #include <asm/reboot.h> -#include <asm/io.h> #include <asm/pgtable.h> -#include <asm/time.h> -#include <asm/traps.h> -#include <asm/mc146818-time.h> +#include <asm/tlbmisc.h> extern asmlinkage void jazz_handle_int(void); @@ -64,11 +51,6 @@ static struct resource jazz_io_resources[] = { } }; -void __init plat_time_init(void) -{ - setup_pit_timer(); -} - void __init plat_mem_setup(void) { int i; @@ -82,10 +64,8 @@ void __init plat_mem_setup(void) set_io_port_base(JAZZ_PORT_BASE); #ifdef CONFIG_EISA - if (mips_machtype == MACH_MIPS_MAGNUM_4000) - EISA_bus = 1; + EISA_bus = 1; #endif - isa_slot_offset = 0xe3000000; /* request I/O space for devices used on all i[345]86 PCs */ for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) @@ -97,15 +77,9 @@ void __init plat_mem_setup(void) #ifdef CONFIG_VT screen_info = (struct screen_info) { - 0, 0, /* orig-x, orig-y */ - 0, /* unused */ - 0, /* orig_video_page */ - 0, /* orig_video_mode */ - 160, /* orig_video_cols */ - 0, 0, 0, /* unused, ega_bx, unused */ - 64, /* orig_video_lines */ - 0, /* orig_video_isVGA */ - 16 /* orig_video_points */ + .orig_video_cols = 160, + .orig_video_lines = 64, + .orig_video_points = 16, }; #endif @@ -163,9 +137,9 @@ static struct resource jazz_esp_rsrc[] = { }; static struct platform_device jazz_esp_pdev = { - .name = "jazz_esp", - .num_resources = ARRAY_SIZE(jazz_esp_rsrc), - .resource = jazz_esp_rsrc + .name = "jazz_esp", + .num_resources = ARRAY_SIZE(jazz_esp_rsrc), + .resource = jazz_esp_rsrc }; static struct resource jazz_sonic_rsrc[] = { @@ -182,9 +156,9 @@ static struct resource jazz_sonic_rsrc[] = { }; static struct platform_device jazz_sonic_pdev = { - .name = "jazzsonic", - .num_resources = ARRAY_SIZE(jazz_sonic_rsrc), - .resource = jazz_sonic_rsrc + .name = "jazzsonic", + .num_resources = ARRAY_SIZE(jazz_sonic_rsrc), + .resource = jazz_sonic_rsrc }; static struct resource jazz_cmos_rsrc[] = { @@ -201,9 +175,14 @@ static struct resource jazz_cmos_rsrc[] = { }; static struct platform_device jazz_cmos_pdev = { - .name = "rtc_cmos", - .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), - .resource = jazz_cmos_rsrc + .name = "rtc_cmos", + .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), + .resource = jazz_cmos_rsrc +}; + +static struct platform_device pcspeaker_pdev = { + .name = "pcspkr", + .id = -1, }; static int __init jazz_setup_devinit(void) @@ -212,6 +191,8 @@ static int __init jazz_setup_devinit(void) platform_device_register(&jazz_esp_pdev); platform_device_register(&jazz_sonic_pdev); platform_device_register(&jazz_cmos_pdev); + platform_device_register(&pcspeaker_pdev); + return 0; } |
