diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-18 19:49:42 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-18 19:49:42 -0700 |
commit | 038e5e2bf2819058fb1b4b52b583bef9ad063356 (patch) | |
tree | 3a152b455f845a25d0958af5b461b034c2d565fa /arch/mips/philips/pnx8550/common | |
parent | 5c723d26fa223bdb17b9230c77e4e1156884475a (diff) | |
parent | d34cb28a3718a7055ed14e2ec058fe3e4574af63 (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (47 commits)
[MAINTAINERS] The ham radio code now has website at http://www.linux-ax25.org.
[MIPS] Use __ffs() instead of ffs() for waybit calculation.
[MIPS] Fix Makefile bugs for MIPS32/MIPS64 R1 and R2.
[MIPS] Handle IDE PIO cache aliases on SMP.
[MIPS] Make mips_srs_init static.
[MIPS] MIPS boards: Set HZ to 100.
[MIPS] kgdb: Let gcc compute the array size itself.
[MIPS] FPU affinity for MT ASE.
[MIPS] MT: Improved multithreading support.
[MIPS] kpsd and other AP/SP improvements.
[MIPS] R2: Instruction hazard barrier.
[MIPS] Fix genrtc compilation.
[MIPS] R2: Implement shadow register allocation without spinlock.
[MIPS] Fix VR41xx build errors.
[MIPS] Fix tx49_blast_icache32_page_indexed.
[MIPS] Enable SCHED_NO_NO_OMIT_FRAME_POINTER for MIPS.
[MIPS] Use "R" constraint for cache_op.
[MIPS] Rewrite all the assembler interrupt handlers to C.
[MIPS] Fix the crime against humanity that mipsIRQ.S is.
[MIPS] Fixup damage done by 22a9835c350782a5c3257343713932af3ac92ee0.
...
Diffstat (limited to 'arch/mips/philips/pnx8550/common')
-rw-r--r-- | arch/mips/philips/pnx8550/common/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/philips/pnx8550/common/int.c | 23 | ||||
-rw-r--r-- | arch/mips/philips/pnx8550/common/mipsIRQ.S | 76 | ||||
-rw-r--r-- | arch/mips/philips/pnx8550/common/platform.c | 1 |
4 files changed, 18 insertions, 84 deletions
diff --git a/arch/mips/philips/pnx8550/common/Makefile b/arch/mips/philips/pnx8550/common/Makefile index 6e38f3bc443..b7c638166e9 100644 --- a/arch/mips/philips/pnx8550/common/Makefile +++ b/arch/mips/philips/pnx8550/common/Makefile @@ -22,6 +22,6 @@ # under Linux. # -obj-y := setup.o prom.o mipsIRQ.o int.o reset.o time.o proc.o platform.o +obj-y := setup.o prom.o int.o reset.o time.o proc.o platform.o obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_KGDB) += gdb_hook.o diff --git a/arch/mips/philips/pnx8550/common/int.c b/arch/mips/philips/pnx8550/common/int.c index c500e2d41f2..39ee6314f62 100644 --- a/arch/mips/philips/pnx8550/common/int.c +++ b/arch/mips/philips/pnx8550/common/int.c @@ -38,8 +38,6 @@ #include <int.h> #include <uart.h> -extern asmlinkage void cp0_irqdispatch(void); - static DEFINE_SPINLOCK(irq_lock); /* default prio for interrupts */ @@ -55,7 +53,7 @@ static char gic_prio[PNX8550_INT_GIC_TOTINT] = { 1 // 70 }; -void hw0_irqdispatch(int irq, struct pt_regs *regs) +static void hw0_irqdispatch(int irq, struct pt_regs *regs) { /* find out which interrupt */ irq = PNX8550_GIC_VECTOR_0 >> 3; @@ -68,7 +66,7 @@ void hw0_irqdispatch(int irq, struct pt_regs *regs) } -void timer_irqdispatch(int irq, struct pt_regs *regs) +static void timer_irqdispatch(int irq, struct pt_regs *regs) { irq = (0x01c0 & read_c0_config7()) >> 6; @@ -88,6 +86,20 @@ void timer_irqdispatch(int irq, struct pt_regs *regs) } } +asmlinkage void plat_irq_dispatch(struct pt_regs *regs) +{ + unsigned int pending = read_c0_status() & read_c0_cause(); + + if (pending & STATUSF_IP2) + do_IRQ(2, regs); + else if (pending & STATUSF_IP7) { + if (read_c0_config7() & 0x01c0) + timer_irqdispatch(7, regs); + } + + spurious_interrupt(regs); +} + static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask) { unsigned long status = read_c0_status(); @@ -223,9 +235,6 @@ void __init arch_init_irq(void) int i; int configPR; - /* init of cp0 interrupts */ - set_except_vector(0, cp0_irqdispatch); - for (i = 0; i < PNX8550_INT_CP0_TOTINT; i++) { irq_desc[i].handler = &level_irq_type; pnx8550_ack(i); /* mask the irq just in case */ diff --git a/arch/mips/philips/pnx8550/common/mipsIRQ.S b/arch/mips/philips/pnx8550/common/mipsIRQ.S deleted file mode 100644 index 338bffda3fa..00000000000 --- a/arch/mips/philips/pnx8550/common/mipsIRQ.S +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (c) 2002 Philips, Inc. All rights. - * Copyright (c) 2002 Red Hat, Inc. All rights. - * - * This software may be freely redistributed under the terms of the - * GNU General Public License. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Based upon arch/mips/galileo-boards/ev64240/int-handler.S - * - */ -#include <asm/asm.h> -#include <asm/mipsregs.h> -#include <asm/addrspace.h> -#include <asm/regdef.h> -#include <asm/stackframe.h> - -/* - * cp0_irqdispatch - * - * Code to handle in-core interrupt exception. - */ - - .align 5 - .set reorder - .set noat - NESTED(cp0_irqdispatch, PT_SIZE, sp) - SAVE_ALL - CLI - .set at - mfc0 t0,CP0_CAUSE - mfc0 t2,CP0_STATUS - - and t0,t2 - - andi t1,t0,STATUSF_IP2 /* int0 hardware line */ - bnez t1,ll_hw0_irq - nop - - andi t1,t0,STATUSF_IP7 /* int5 hardware line */ - bnez t1,ll_timer_irq - nop - - /* wrong alarm or masked ... */ - - j spurious_interrupt - nop - END(cp0_irqdispatch) - - .align 5 - .set reorder -ll_hw0_irq: - li a0,2 - move a1,sp - jal hw0_irqdispatch - nop - j ret_from_irq - nop - - .align 5 - .set reorder -ll_timer_irq: - mfc0 t3,CP0_CONFIG,7 - andi t4,t3,0x01c0 - beqz t4,ll_timer_out - nop - li a0,7 - move a1,sp - jal timer_irqdispatch - nop - -ll_timer_out: j ret_from_irq - nop diff --git a/arch/mips/philips/pnx8550/common/platform.c b/arch/mips/philips/pnx8550/common/platform.c index a592260fd67..5436b4b9745 100644 --- a/arch/mips/philips/pnx8550/common/platform.c +++ b/arch/mips/philips/pnx8550/common/platform.c @@ -18,6 +18,7 @@ #include <linux/resource.h> #include <linux/serial.h> #include <linux/serial_ip3106.h> +#include <linux/platform_device.h> #include <int.h> #include <usb.h> |