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 3dff98ba2e9..00000000000 --- a/arch/m68k/platform/68328/head-rom.S +++ /dev/null @@ -1,105 +0,0 @@ - - .global _start - .global _stext - - .global _rambase - .global _ramvec - .global _ramstart - .global _ramend - -#ifdef CONFIG_INIT_LCD - .global bootlogo_bits -#endif - - .data - -/* - * Set up the usable of RAM stuff. Size of RAM is determined then - * an initial stack set up at the end. - */ -.align 4 -_ramvec: -.long 0 -_rambase: -.long 0 -_ramstart: -.long 0 -_ramend: -.long 0 - -#define RAMEND (CONFIG_RAMBASE + CONFIG_RAMSIZE) - - .text -_start: -_stext: movew #0x2700,%sr -#ifdef CONFIG_INIT_LCD - movel #bootlogo_bits, 0xfffffA00 /* LSSA */ - moveb #0x28, 0xfffffA05 /* LVPW */ - movew #0x280, 0xFFFFFa08 /* LXMAX */ - movew #0x1df, 0xFFFFFa0a /* LYMAX */ - moveb #0, 0xfffffa29 /* LBAR */ - moveb #0, 0xfffffa25 /* LPXCD */ - moveb #0x08, 0xFFFFFa20 /* LPICF */ - moveb #0x01, 0xFFFFFA21 /* -ve pol */ - moveb #0x81, 0xfffffA27 /* LCKCON */ - movew #0xff00, 0xfffff412 /* LCD pins */ -#endif - moveal #RAMEND-CONFIG_MEMORY_RESERVE*0x100000 - 0x10, %sp - movew #32767, %d0 /* PLL settle wait loop */ -1: subq #1, %d0 - bne 1b - - /* Copy data segment from ROM to RAM */ - moveal #_etext, %a0 - moveal #_sdata, %a1 - moveal #_edata, %a2 - - /* Copy %a0 to %a1 until %a1 == %a2 */ -1: movel %a0@+, %a1@+ - cmpal %a1, %a2 - bhi 1b - - moveal #__bss_start, %a0 - moveal #__bss_stop, %a1 - /* Copy 0 to %a0 until %a0 == %a1 */ - -1: - clrl %a0@+ - cmpal %a0, %a1 - bhi 1b - - movel #_sdata, %d0 - movel %d0, _rambase - movel #__bss_stop, %d0 - movel %d0, _ramstart - movel #RAMEND-CONFIG_MEMORY_RESERVE*0x100000, %d0 - movel %d0, _ramend - movel #CONFIG_VECTORBASE, %d0 - movel %d0, _ramvec - -/* - * load the current task pointer and stack - */ - lea init_thread_union, %a0 - lea 0x2000(%a0), %sp - -1: jsr start_kernel - bra 1b -_exit: - - jmp _exit - - -putc: - moveb %d7,0xfffff907 -1: - movew 0xfffff906, %d7 - andw #0x2000, %d7 - beq 1b - rts - - .data -env: - .long 0 - .text - |