diff options
Diffstat (limited to 'arch/m68k/platform/68328/head-rom.S')
| -rw-r--r-- | arch/m68k/platform/68328/head-rom.S | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/arch/m68k/platform/68328/head-rom.S b/arch/m68k/platform/68328/head-rom.S deleted file mode 100644 index 3dff98ba2e97..000000000000 --- a/arch/m68k/platform/68328/head-rom.S +++ /dev/null | |||
| @@ -1,105 +0,0 @@ | |||
| 1 | |||
| 2 | .global _start | ||
| 3 | .global _stext | ||
| 4 | |||
| 5 | .global _rambase | ||
| 6 | .global _ramvec | ||
| 7 | .global _ramstart | ||
| 8 | .global _ramend | ||
| 9 | |||
| 10 | #ifdef CONFIG_INIT_LCD | ||
| 11 | .global bootlogo_bits | ||
| 12 | #endif | ||
| 13 | |||
| 14 | .data | ||
| 15 | |||
| 16 | /* | ||
| 17 | * Set up the usable of RAM stuff. Size of RAM is determined then | ||
| 18 | * an initial stack set up at the end. | ||
| 19 | */ | ||
| 20 | .align 4 | ||
| 21 | _ramvec: | ||
| 22 | .long 0 | ||
| 23 | _rambase: | ||
| 24 | .long 0 | ||
| 25 | _ramstart: | ||
| 26 | .long 0 | ||
| 27 | _ramend: | ||
| 28 | .long 0 | ||
| 29 | |||
| 30 | #define RAMEND (CONFIG_RAMBASE + CONFIG_RAMSIZE) | ||
| 31 | |||
| 32 | .text | ||
| 33 | _start: | ||
| 34 | _stext: movew #0x2700,%sr | ||
| 35 | #ifdef CONFIG_INIT_LCD | ||
| 36 | movel #bootlogo_bits, 0xfffffA00 /* LSSA */ | ||
| 37 | moveb #0x28, 0xfffffA05 /* LVPW */ | ||
| 38 | movew #0x280, 0xFFFFFa08 /* LXMAX */ | ||
| 39 | movew #0x1df, 0xFFFFFa0a /* LYMAX */ | ||
| 40 | moveb #0, 0xfffffa29 /* LBAR */ | ||
| 41 | moveb #0, 0xfffffa25 /* LPXCD */ | ||
| 42 | moveb #0x08, 0xFFFFFa20 /* LPICF */ | ||
| 43 | moveb #0x01, 0xFFFFFA21 /* -ve pol */ | ||
| 44 | moveb #0x81, 0xfffffA27 /* LCKCON */ | ||
| 45 | movew #0xff00, 0xfffff412 /* LCD pins */ | ||
| 46 | #endif | ||
| 47 | moveal #RAMEND-CONFIG_MEMORY_RESERVE*0x100000 - 0x10, %sp | ||
| 48 | movew #32767, %d0 /* PLL settle wait loop */ | ||
| 49 | 1: subq #1, %d0 | ||
| 50 | bne 1b | ||
| 51 | |||
| 52 | /* Copy data segment from ROM to RAM */ | ||
| 53 | moveal #_etext, %a0 | ||
| 54 | moveal #_sdata, %a1 | ||
| 55 | moveal #_edata, %a2 | ||
| 56 | |||
| 57 | /* Copy %a0 to %a1 until %a1 == %a2 */ | ||
| 58 | 1: movel %a0@+, %a1@+ | ||
| 59 | cmpal %a1, %a2 | ||
| 60 | bhi 1b | ||
| 61 | |||
| 62 | moveal #__bss_start, %a0 | ||
| 63 | moveal #__bss_stop, %a1 | ||
| 64 | /* Copy 0 to %a0 until %a0 == %a1 */ | ||
| 65 | |||
| 66 | 1: | ||
| 67 | clrl %a0@+ | ||
| 68 | cmpal %a0, %a1 | ||
| 69 | bhi 1b | ||
| 70 | |||
| 71 | movel #_sdata, %d0 | ||
| 72 | movel %d0, _rambase | ||
| 73 | movel #__bss_stop, %d0 | ||
| 74 | movel %d0, _ramstart | ||
| 75 | movel #RAMEND-CONFIG_MEMORY_RESERVE*0x100000, %d0 | ||
| 76 | movel %d0, _ramend | ||
| 77 | movel #CONFIG_VECTORBASE, %d0 | ||
| 78 | movel %d0, _ramvec | ||
| 79 | |||
| 80 | /* | ||
| 81 | * load the current task pointer and stack | ||
| 82 | */ | ||
| 83 | lea init_thread_union, %a0 | ||
| 84 | lea 0x2000(%a0), %sp | ||
| 85 | |||
| 86 | 1: jsr start_kernel | ||
| 87 | bra 1b | ||
| 88 | _exit: | ||
| 89 | |||
| 90 | jmp _exit | ||
| 91 | |||
| 92 | |||
| 93 | putc: | ||
| 94 | moveb %d7,0xfffff907 | ||
| 95 | 1: | ||
| 96 | movew 0xfffff906, %d7 | ||
| 97 | andw #0x2000, %d7 | ||
| 98 | beq 1b | ||
| 99 | rts | ||
| 100 | |||
| 101 | .data | ||
| 102 | env: | ||
| 103 | .long 0 | ||
| 104 | .text | ||
| 105 | |||
