forked from Minki/linux
[POWERPC] Remove the dregs of APUS support from arch/powerpc
APUS (the Amiga Power-Up System) is not supported under arch/powerpc and it's unlikely it ever will be. Therefore, this patch removes the fragments of APUS support code from arch/powerpc which have been copied from arch/ppc. A few APUS references are left in asm-powerpc in .h files which are still used from arch/ppc. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
David Gibson
Paul Mackerras
parent
90ac19a8b2
commit
f21f49ea63
@ -436,9 +436,9 @@ config PCI
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bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \
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|| PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \
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|| MPC7448HPC2 || PPC_PS3 || PPC_HOLLY
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default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx \
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default y if !40x && !CPM2 && !8xx && !PPC_83xx \
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&& !PPC_85xx && !PPC_86xx
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default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS
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default PCI_PERMEDIA if !4xx && !CPM2 && !8xx
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default PCI_QSPAN if !4xx && !CPM2 && 8xx
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select ARCH_SUPPORTS_MSI
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help
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@ -9,7 +9,6 @@
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* rewritten by Paul Mackerras.
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* Copyright (C) 1996 Paul Mackerras.
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* MPC8xx modifications Copyright (C) 1997 Dan Malek (dmalek@jlc.net).
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* This file contains the low-level support and setup for the
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* PowerPC platform, including trap and interrupt dispatch.
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@ -32,10 +31,6 @@
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#include <asm/ppc_asm.h>
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#include <asm/asm-offsets.h>
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#ifdef CONFIG_APUS
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#include <asm/amigappc.h>
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#endif
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/* 601 only have IBAT; cr0.eq is set on 601 when using this macro */
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#define LOAD_BAT(n, reg, RA, RB) \
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/* see the comment for clear_bats() -- Cort */ \
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@ -92,11 +87,6 @@ _start:
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* r4: virtual address of boot_infos_t
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* r5: 0
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*
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* APUS
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* r3: 'APUS'
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* r4: physical address of memory base
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* Linux/m68k style BootInfo structure at &_end.
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*
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* PREP
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* This is jumped to on prep systems right after the kernel is relocated
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* to its proper place in memory by the boot loader. The expected layout
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@ -150,14 +140,6 @@ __start:
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*/
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bl early_init
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#ifdef CONFIG_APUS
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/* On APUS the __va/__pa constants need to be set to the correct
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* values before continuing.
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*/
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mr r4,r30
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bl fix_mem_constants
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#endif /* CONFIG_APUS */
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/* Switch MMU off, clear BATs and flush TLB. At this point, r3 contains
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* the physical address we are running at, returned by early_init()
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*/
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@ -167,7 +149,7 @@ __after_mmu_off:
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bl flush_tlbs
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bl initial_bats
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#if !defined(CONFIG_APUS) && defined(CONFIG_BOOTX_TEXT)
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#if defined(CONFIG_BOOTX_TEXT)
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bl setup_disp_bat
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#endif
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@ -183,7 +165,6 @@ __after_mmu_off:
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#endif /* CONFIG_6xx */
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#ifndef CONFIG_APUS
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/*
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* We need to run with _start at physical address 0.
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* On CHRP, we are loaded at 0x10000 since OF on CHRP uses
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@ -196,7 +177,6 @@ __after_mmu_off:
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addis r4,r3,KERNELBASE@h /* current address of _start */
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cmpwi 0,r4,0 /* are we already running at 0? */
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bne relocate_kernel
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#endif /* CONFIG_APUS */
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/*
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* we now have the 1st 16M of ram mapped with the bats.
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* prep needs the mmu to be turned on here, but pmac already has it on.
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@ -881,85 +861,6 @@ _GLOBAL(copy_and_flush)
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addi r6,r6,4
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blr
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#ifdef CONFIG_APUS
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/*
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* On APUS the physical base address of the kernel is not known at compile
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* time, which means the __pa/__va constants used are incorrect. In the
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* __init section is recorded the virtual addresses of instructions using
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* these constants, so all that has to be done is fix these before
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* continuing the kernel boot.
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*
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* r4 = The physical address of the kernel base.
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*/
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fix_mem_constants:
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mr r10,r4
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addis r10,r10,-KERNELBASE@h /* virt_to_phys constant */
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neg r11,r10 /* phys_to_virt constant */
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lis r12,__vtop_table_begin@h
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ori r12,r12,__vtop_table_begin@l
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add r12,r12,r10 /* table begin phys address */
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lis r13,__vtop_table_end@h
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ori r13,r13,__vtop_table_end@l
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add r13,r13,r10 /* table end phys address */
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subi r12,r12,4
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subi r13,r13,4
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1: lwzu r14,4(r12) /* virt address of instruction */
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add r14,r14,r10 /* phys address of instruction */
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lwz r15,0(r14) /* instruction, now insert top */
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rlwimi r15,r10,16,16,31 /* half of vp const in low half */
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stw r15,0(r14) /* of instruction and restore. */
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dcbst r0,r14 /* write it to memory */
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sync
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icbi r0,r14 /* flush the icache line */
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cmpw r12,r13
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bne 1b
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sync /* additional sync needed on g4 */
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isync
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/*
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* Map the memory where the exception handlers will
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* be copied to when hash constants have been patched.
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*/
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#ifdef CONFIG_APUS_FAST_EXCEPT
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lis r8,0xfff0
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#else
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lis r8,0
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#endif
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ori r8,r8,0x2 /* 128KB, supervisor */
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mtspr SPRN_DBAT3U,r8
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mtspr SPRN_DBAT3L,r8
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lis r12,__ptov_table_begin@h
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ori r12,r12,__ptov_table_begin@l
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add r12,r12,r10 /* table begin phys address */
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lis r13,__ptov_table_end@h
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ori r13,r13,__ptov_table_end@l
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add r13,r13,r10 /* table end phys address */
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subi r12,r12,4
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subi r13,r13,4
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1: lwzu r14,4(r12) /* virt address of instruction */
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add r14,r14,r10 /* phys address of instruction */
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lwz r15,0(r14) /* instruction, now insert top */
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rlwimi r15,r11,16,16,31 /* half of pv const in low half*/
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stw r15,0(r14) /* of instruction and restore. */
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dcbst r0,r14 /* write it to memory */
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sync
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icbi r0,r14 /* flush the icache line */
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cmpw r12,r13
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bne 1b
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sync /* additional sync needed on g4 */
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isync /* No speculative loading until now */
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blr
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/***********************************************************************
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* Please note that on APUS the exception handlers are located at the
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* physical address 0xfff0000. For this reason, the exception handlers
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* cannot use relative branches to access the code below.
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***********************************************************************/
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#endif /* CONFIG_APUS */
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#ifdef CONFIG_SMP
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#ifdef CONFIG_GEMINI
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.globl __secondary_start_gemini
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@ -1135,19 +1036,6 @@ start_here:
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bl __save_cpu_setup
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bl MMU_init
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#ifdef CONFIG_APUS
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/* Copy exception code to exception vector base on APUS. */
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lis r4,KERNELBASE@h
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#ifdef CONFIG_APUS_FAST_EXCEPT
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lis r3,0xfff0 /* Copy to 0xfff00000 */
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#else
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lis r3,0 /* Copy to 0x00000000 */
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#endif
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li r5,0x4000 /* # bytes of memory to copy */
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li r6,0
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bl copy_and_flush /* copy the first 0x4000 bytes */
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#endif /* CONFIG_APUS */
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/*
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* Go back to running unmapped so we can load up new values
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* for SDR1 (hash table pointer) and the segment registers
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@ -1324,11 +1212,7 @@ initial_bats:
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#else
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ori r8,r8,2 /* R/W access */
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#endif /* CONFIG_SMP */
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#ifdef CONFIG_APUS
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ori r11,r11,BL_8M<<2|0x2 /* set up 8MB BAT registers for 604 */
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#else
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ori r11,r11,BL_256M<<2|0x2 /* set up BAT registers for 604 */
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#endif /* CONFIG_APUS */
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mtspr SPRN_DBAT0L,r8 /* N.B. 6xx (not 601) have valid */
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mtspr SPRN_DBAT0U,r11 /* bit in upper BAT register */
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@ -1338,7 +1222,7 @@ initial_bats:
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blr
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#if !defined(CONFIG_APUS) && defined(CONFIG_BOOTX_TEXT)
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#ifdef CONFIG_BOOTX_TEXT
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setup_disp_bat:
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/*
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* setup the display bat prepared for us in prom.c
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@ -1362,7 +1246,7 @@ setup_disp_bat:
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1: mtspr SPRN_IBAT3L,r8
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mtspr SPRN_IBAT3U,r11
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blr
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#endif /* !defined(CONFIG_APUS) && defined(CONFIG_BOOTX_TEXT) */
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#endif /* CONFIG_BOOTX_TEXT */
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#ifdef CONFIG_8260
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/* Jump into the system reset for the rom.
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@ -7,7 +7,6 @@
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* Copyright (C) 1996-2001 Cort Dougan
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* Adapted for Power Macintosh by Paul Mackerras
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* Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au)
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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@ -12,7 +12,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -9,7 +9,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -14,7 +14,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -5,7 +5,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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* PPC44x/36-bit changes by Matt Porter (mporter@mvista.com)
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*
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* Derived from "arch/i386/mm/init.c"
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@ -5,7 +5,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -5,7 +5,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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* PPC44x/36-bit changes by Matt Porter (mporter@mvista.com)
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*
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* Derived from "arch/i386/mm/init.c"
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@ -11,7 +11,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -8,7 +8,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -8,7 +8,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -7,7 +7,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@samba.org)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -11,7 +11,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -11,7 +11,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -8,7 +8,6 @@
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* Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
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* and Cort Dougan (PReP) (cort@cs.nmt.edu)
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* Copyright (C) 1996 Paul Mackerras
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* Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
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*
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* Derived from "arch/i386/mm/init.c"
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* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
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@ -16,13 +16,6 @@ config EMBEDDED6xx
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bool "Embedded 6xx/7xx/7xxx-based board"
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depends on PPC32 && (BROKEN||BROKEN_ON_SMP)
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config APUS
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bool "Amiga-APUS"
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depends on PPC32 && BROKEN
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help
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Select APUS if configuring for a PowerUP Amiga.
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More information is available at:
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<http://linux-apus.sourceforge.net/>.
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endchoice
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source "arch/powerpc/platforms/pseries/Kconfig"
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@ -1,130 +0,0 @@
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config AMIGA
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bool
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depends on APUS
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default y
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help
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This option enables support for the Amiga series of computers.
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config ZORRO
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bool
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depends on APUS
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default y
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help
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This enables support for the Zorro bus in the Amiga. If you have
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expansion cards in your Amiga that conform to the Amiga
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AutoConfig(tm) specification, say Y, otherwise N. Note that even
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expansion cards that do not fit in the Zorro slots but fit in e.g.
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the CPU slot may fall in this category, so you have to say Y to let
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Linux use these.
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config ABSTRACT_CONSOLE
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bool
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depends on APUS
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default y
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config APUS_FAST_EXCEPT
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bool
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depends on APUS
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default y
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config AMIGA_PCMCIA
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bool "Amiga 1200/600 PCMCIA support"
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depends on APUS && EXPERIMENTAL
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help
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Include support in the kernel for pcmcia on Amiga 1200 and Amiga
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600. If you intend to use pcmcia cards say Y; otherwise say N.
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config AMIGA_BUILTIN_SERIAL
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tristate "Amiga builtin serial support"
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depends on APUS
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help
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If you want to use your Amiga's built-in serial port in Linux,
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answer Y.
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To compile this driver as a module, choose M here.
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config GVPIOEXT
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tristate "GVP IO-Extender support"
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depends on APUS
|
||||
help
|
||||
If you want to use a GVP IO-Extender serial card in Linux, say Y.
|
||||
Otherwise, say N.
|
||||
|
||||
config GVPIOEXT_LP
|
||||
tristate "GVP IO-Extender parallel printer support"
|
||||
depends on GVPIOEXT
|
||||
help
|
||||
Say Y to enable driving a printer from the parallel port on your
|
||||
GVP IO-Extender card, N otherwise.
|
||||
|
||||
config GVPIOEXT_PLIP
|
||||
tristate "GVP IO-Extender PLIP support"
|
||||
depends on GVPIOEXT
|
||||
help
|
||||
Say Y to enable doing IP over the parallel port on your GVP
|
||||
IO-Extender card, N otherwise.
|
||||
|
||||
config MULTIFACE_III_TTY
|
||||
tristate "Multiface Card III serial support"
|
||||
depends on APUS
|
||||
help
|
||||
If you want to use a Multiface III card's serial port in Linux,
|
||||
answer Y.
|
||||
|
||||
To compile this driver as a module, choose M here.
|
||||
|
||||
config A2232
|
||||
tristate "Commodore A2232 serial support (EXPERIMENTAL)"
|
||||
depends on EXPERIMENTAL && APUS
|
||||
---help---
|
||||
This option supports the 2232 7-port serial card shipped with the
|
||||
Amiga 2000 and other Zorro-bus machines, dating from 1989. At
|
||||
a max of 19,200 bps, the ports are served by a 6551 ACIA UART chip
|
||||
each, plus a 8520 CIA, and a master 6502 CPU and buffer as well. The
|
||||
ports were connected with 8 pin DIN connectors on the card bracket,
|
||||
for which 8 pin to DB25 adapters were supplied. The card also had
|
||||
jumpers internally to toggle various pinning configurations.
|
||||
|
||||
This driver can be built as a module; but then "generic_serial"
|
||||
will also be built as a module. This has to be loaded before
|
||||
"ser_a2232". If you want to do this, answer M here.
|
||||
|
||||
config WHIPPET_SERIAL
|
||||
tristate "Hisoft Whippet PCMCIA serial support"
|
||||
depends on AMIGA_PCMCIA
|
||||
help
|
||||
HiSoft has a web page at <http://www.hisoft.co.uk/>, but there
|
||||
is no listing for the Whippet in their Amiga section.
|
||||
|
||||
config APNE
|
||||
tristate "PCMCIA NE2000 support"
|
||||
depends on AMIGA_PCMCIA
|
||||
help
|
||||
If you have a PCMCIA NE2000 compatible adapter, say Y. Otherwise,
|
||||
say N.
|
||||
|
||||
To compile this driver as a module, choose M here: the
|
||||
module will be called apne.
|
||||
|
||||
config SERIAL_CONSOLE
|
||||
bool "Support for serial port console"
|
||||
depends on APUS && (AMIGA_BUILTIN_SERIAL=y || GVPIOEXT=y || MULTIFACE_III_TTY=y)
|
||||
|
||||
config HEARTBEAT
|
||||
bool "Use power LED as a heartbeat"
|
||||
depends on APUS
|
||||
help
|
||||
Use the power-on LED on your machine as a load meter. The exact
|
||||
behavior is platform-dependent, but normally the flash frequency is
|
||||
a hyperbolic function of the 5-minute load average.
|
||||
|
||||
config PROC_HARDWARE
|
||||
bool "/proc/hardware support"
|
||||
depends on APUS
|
||||
|
||||
source "drivers/zorro/Kconfig"
|
||||
|
||||
config PCI_PERMEDIA
|
||||
bool "PCI for Permedia2"
|
||||
depends on !4xx && !8xx && APUS
|
||||
@ -751,32 +751,6 @@ extern void paging_init(void);
|
||||
#define pte_to_pgoff(pte) (pte_val(pte) >> 3)
|
||||
#define pgoff_to_pte(off) ((pte_t) { ((off) << 3) | _PAGE_FILE })
|
||||
|
||||
/* CONFIG_APUS */
|
||||
/* For virtual address to physical address conversion */
|
||||
extern void cache_clear(__u32 addr, int length);
|
||||
extern void cache_push(__u32 addr, int length);
|
||||
extern int mm_end_of_chunk (unsigned long addr, int len);
|
||||
|
||||
/* Values for nocacheflag and cmode */
|
||||
/* These are not used by the APUS kernel_map, but prevents
|
||||
compilation errors. */
|
||||
#define KERNELMAP_FULL_CACHING 0
|
||||
#define KERNELMAP_NOCACHE_SER 1
|
||||
#define KERNELMAP_NOCACHE_NONSER 2
|
||||
#define KERNELMAP_NO_COPYBACK 3
|
||||
|
||||
/*
|
||||
* Map some physical address range into the kernel address space.
|
||||
*/
|
||||
extern unsigned long kernel_map(unsigned long paddr, unsigned long size,
|
||||
int nocacheflag, unsigned long *memavailp );
|
||||
|
||||
/*
|
||||
* Set cache mode of (kernel space) address range.
|
||||
*/
|
||||
extern void kernel_set_cachemode (unsigned long address, unsigned long size,
|
||||
unsigned int cmode);
|
||||
|
||||
/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
|
||||
#define kern_addr_valid(addr) (1)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user