X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-arm%2Farch-lh7a40x%2Fentry-macro.S;fp=include%2Fasm-arm%2Farch-lh7a40x%2Fentry-macro.S;h=a2f67c06d9c94281741d5e0f9509367eab92778a;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=9fc7f4988124af1b81247778df5890095e6acd6f;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git diff --git a/include/asm-arm/arch-lh7a40x/entry-macro.S b/include/asm-arm/arch-lh7a40x/entry-macro.S index 9fc7f4988..a2f67c06d 100644 --- a/include/asm-arm/arch-lh7a40x/entry-macro.S +++ b/include/asm-arm/arch-lh7a40x/entry-macro.S @@ -10,73 +10,11 @@ #include #include -/* In order to allow there to be support for both of the processor - classes at the same time, we make a hack here that isn't very - pretty. At startup, the link pointed to with the - branch_irq_lh7a400 symbol is replaced with a NOP when the CPU is - detected as a lh7a404. +# if defined (CONFIG_ARCH_LH7A400) && defined (CONFIG_ARCH_LH7A404) +# error "LH7A400 and LH7A404 are mutually exclusive" +# endif - *** FIXME: we should clean this up so that there is only one - implementation for each CPU's design. - -*/ - -#if defined (CONFIG_ARCH_LH7A400) && defined (CONFIG_ARCH_LH7A404) - - .macro disable_fiq - .endm - - .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - -branch_irq_lh7a400: b 1000f - -@ Implementation of the LH7A404 get_irqnr_and_base. - - mov \irqnr, #0 @ VIC1 irq base - mov \base, #io_p2v(0x80000000) @ APB registers - add \base, \base, #0x8000 - ldr \tmp, [\base, #0x0030] @ VIC1_VECTADDR - tst \tmp, #VA_VECTORED @ Direct vectored - bne 1002f - tst \tmp, #VA_VIC1DEFAULT @ Default vectored VIC1 - ldrne \irqstat, [\base, #0] @ VIC1_IRQSTATUS - bne 1001f - add \base, \base, #(0xa000 - 0x8000) - ldr \tmp, [\base, #0x0030] @ VIC2_VECTADDR - tst \tmp, #VA_VECTORED @ Direct vectored - bne 1002f - ldr \irqstat, [\base, #0] @ VIC2_IRQSTATUS - mov \irqnr, #32 @ VIC2 irq base - -1001: movs \irqstat, \irqstat, lsr #1 @ Shift into carry - bcs 1008f @ Bit set; irq found - add \irqnr, \irqnr, #1 - bne 1001b @ Until no bits - b 1009f @ Nothing? Hmm. -1002: and \irqnr, \tmp, #0x3f @ Mask for valid bits -1008: movs \irqstat, #1 @ Force !Z - str \tmp, [\base, #0x0030] @ Clear vector - b 1009f - -@ Implementation of the LH7A400 get_irqnr_and_base. - -1000: mov \irqnr, #0 - mov \base, #io_p2v(0x80000000) @ APB registers - ldr \irqstat, [\base, #0x500] @ PIC INTSR - -1001: movs \irqstat, \irqstat, lsr #1 @ Shift into carry - bcs 1008f @ Bit set; irq found - add \irqnr, \irqnr, #1 - bne 1001b @ Until no bits - b 1009f @ Nothing? Hmm. -1008: movs \irqstat, #1 @ Force !Z - -1009: - .endm - - - -#elif defined (CONFIG_ARCH_LH7A400) +# if defined (CONFIG_ARCH_LH7A400) .macro disable_fiq .endm