Changeset 3082


Ignore:
Timestamp:
Jul 22, 2012 4:47:25 PM (10 months ago)
Author:
wmb
Message:

OLPC ARM - coalesced initmmu.fth into one file, with parameterized differences between mmp2 and mmp3.

Location:
cpu/arm
Files:
3 added
6 edited

Legend:

Unmodified
Added
Removed

  • cpu/arm/mmp3/initmmu.fth

    r3073 r3082  
    8080 
    8181      inc  r0,#32                      \ Next set 
    82       set  r2,#0x1ffe0                 \ Mask for set field for L2 cache - depends on #sets=4096 
     82      set  r2,`l2-#sets h# 20 - #`     \ Mask for set field for L2 cache 
    8383      ands r1,r0,r2                    \ Mask set bits 
    8484   0= until 
    … …  
    230230   mov    r1,0xd0000000    \ Memory controller base address 
    231231 
     232[ifdef] mmp3 
     233   \ MMP3 memory controller 
    232234   ldr    r2,[r1,#0x10]    \ MMAP0 register 
    233235   ands   r3,r2,#1         \ Test CS_VALID 
    … …  
    259261   movne  r2,r2,lsr #27    \ Move AREA_LENGTH to LSB 
    260262   addne  r0,r0,r3,lsl r2  \ Compute bank size and add to accumulator 
     263[else] 
     264   \ MMP2 memory controller 
     265   ldr    r2,[r1,#0x100]   \ MMAP0 register 
     266   ands   r3,r2,#1         \ Test CS_VALID 
     267   movne  r3,#0x10000      \ Scale factor for memory size 
     268   movne  r2,r2,lsl #12    \ Clear high bits above AREA_LENGTH field 
     269   movne  r2,r2,lsr #28    \ Move AREA_LENGTH to LSB 
     270   addne  r0,r0,r3,lsl r2  \ Compute bank size and add to accumulator 
     271 
     272   ldr    r2,[r1,#0x110]   \ MMAP1 register 
     273   ands   r3,r2,#1         \ Test CS_VALID 
     274   movne  r3,#0x10000      \ Scale factor for memory size 
     275   movne  r2,r2,lsl #12    \ Clear high bits above AREA_LENGTH field 
     276   movne  r2,r2,lsr #28    \ Move AREA_LENGTH to LSB 
     277   addne  r0,r0,r3,lsl r2  \ Compute bank size and add to accumulator 
     278[then] 
    261279 
    262280   mov    pc,lr 

  • cpu/arm/mmp3/resetvec.fth

    r3073 r3082  
    114114 
    115115\ Load some additional subroutines that are used by the startup code 
    116 fload ${BP}/cpu/arm/mmp3/initmmu.fth    \ Setup the initial virtual address map 
     116fload ${BP}/cpu/arm/mmp2/initmmu.fth    \ Setup the initial virtual address map 
    117117 
    118118\ **** This is the main-line code for the initial startup sequence. 

  • cpu/arm/mmp3/thunderstone/config.fth

    r3073 r3082  
    77create machine-signature ," TS0" 
    88 
    9 h# 20000 constant l2-#sets 
     9fload ${BP}/cpu/arm/mmp3/soc-config.fth 

  • cpu/arm/olpc/3.0/config.fth

    r3064 r3082  
    3131h# 8000 value /ec-flash 
    3232 
    33 h# 10000 constant l2-#sets 
     33fload ${BP}/cpu/arm/mmp2/soc-config.fth 
    3434 
    3535fload ${BP}/cpu/arm/olpc/3.0/gpiopins.fth 

  • cpu/arm/olpc/cl4/config.fth

    r3064 r3082  
    2828h# 10000 value /ec-flash 
    2929 
    30 h# 20000 constant l2-#sets 
     30fload ${BP}/cpu/arm/mmp3/soc-config.fth 
    3131 
    3232fload ${BP}/cpu/arm/olpc/cl4/gpiopins.fth 

  • cpu/arm/olpc/resetvec.fth

    r3020 r3082  
    114114 
    115115\ Load some additional subroutines that are used by the startup code 
    116 fload ${BP}/cpu/arm/olpc/initmmu.fth    \ Setup the initial virtual address map 
     116fload ${BP}/cpu/arm/mmp2/initmmu.fth    \ Setup the initial virtual address map 
    117117 
    118118\ **** This is the main-line code for the initial startup sequence. 
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