diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/gen5200/start/start.S')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/gen5200/start/start.S | 92 |
1 files changed, 79 insertions, 13 deletions
diff --git a/c/src/lib/libbsp/powerpc/gen5200/start/start.S b/c/src/lib/libbsp/powerpc/gen5200/start/start.S index f561e71455..02df72c4bb 100644 --- a/c/src/lib/libbsp/powerpc/gen5200/start/start.S +++ b/c/src/lib/libbsp/powerpc/gen5200/start/start.S @@ -156,6 +156,68 @@ .extern boot_card +.section ".vectors", "ax" + bl start + .rep 63 + .long 0x04000400 + .endr +__vec2: b __vec2 + .rep 63 + .long 0x04000400 + .endr +__vec3: b __vec3 + .rep 63 + .long 0x04000400 + .endr +__vec4: b __vec4 + .rep 63 + .long 0x04000400 + .endr +__vec5: b __vec5 + .rep 63 + .long 0x04000400 + .endr +__vec6: b __vec6 + .rep 63 + .long 0x04000400 + .endr +__vec7: b __vec7 + .rep 63 + .long 0x04000400 + .endr +__vec8: b __vec8 + .rep 63 + .long 0x04000400 + .endr +__vec9: b __vec9 + .rep 63 + .long 0x04000400 + .endr +__veca: b __veca + .rep 63 + .long 0x04000400 + .endr +__vecb: b __vecb + .rep 63 + .long 0x04000400 + .endr +__vecc: b __vecc + .rep 63 + .long 0x04000400 + .endr +__vecd: b __vecd + .rep 63 + .long 0x04000400 + .endr +__vece: b __vece + .rep 63 + .long 0x04000400 + .endr +__vecf: b __vecf + .rep 63+1024 + .long 0x04000400 + .endr + .section ".entry" PUBLIC_VAR (start) start: @@ -243,7 +305,7 @@ start: rlwinm r30, r30,17,15,31 stw r30, CS0STR(r31) /* Set CS0STR */ - LWI r30, bsp_rom_end + LWI r30, bsp_rom_end - 1 rlwinm r30, r30,17,15,31 stw r30, CS0STP(r31) /* Set CS0STP */ @@ -279,18 +341,7 @@ reloc_in_CS0: bl SDRAM_init /* Initialize SDRAM controller */ -/* init arbiter and stuff... */ - LWI r30, 0x8000a06e - stw r30, ARBCFG(r31) /* Set ARBCFG */ - - LWI r30, 0x000000ff - stw r30, ARBMPREN(r31) /* Set ARBMPREN */ - - LWI r30, 0x00001234 - stw r30, ARBMPRIO(r31) /* Set ARBPRIO */ - - LWI r30, 0x0000001e - stw r30, ARBSNOOP(r31) /* Set ARBSNOOP */ + bl XLB_init /* copy .text section from ROM to RAM location (unique for ROM startup) */ LA r30, bsp_section_text_start /* get start address of text section in RAM */ @@ -395,6 +446,8 @@ skip_ROM_start: bl clr_mem /* Clear onchip SRAM */ +#else /* defined(NEED_LOW_LEVEL_INIT) */ + bl XLB_init #endif /* defined(NEED_LOW_LEVEL_INIT) */ /* clear .bss section (unique for ROM startup) */ LWI r30, bsp_section_bss_start /* get start address of bss section */ @@ -843,5 +896,18 @@ clr_mem_byte: clr_mem_end: blr /* return */ +XLB_init: +/* init arbiter and stuff... */ + LWI r30, 0x8000a06e + stw r30, ARBCFG(r31) /* Set ARBCFG */ + + LWI r30, 0x000000ff + stw r30, ARBMPREN(r31) /* Set ARBMPREN */ + LWI r30, 0x00001234 + stw r30, ARBMPRIO(r31) /* Set ARBPRIO */ + + LWI r30, 0x0000001e + stw r30, ARBSNOOP(r31) /* Set ARBSNOOP */ + blr |