diff options
Diffstat (limited to 'arch/powerpc/lib/bootm.c')
| -rw-r--r-- | arch/powerpc/lib/bootm.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/powerpc/lib/bootm.c b/arch/powerpc/lib/bootm.c index e7153b048..41fc8f7ff 100644 --- a/arch/powerpc/lib/bootm.c +++ b/arch/powerpc/lib/bootm.c @@ -32,6 +32,7 @@ DECLARE_GLOBAL_DATA_PTR; extern ulong get_effective_memsize(void); static ulong get_sp (void); +extern void ft_fixup_num_cores(void *blob); static void set_clocks_in_mhz (bd_t *kbd); #ifndef CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE @@ -277,3 +278,58 @@ static void set_clocks_in_mhz (bd_t *kbd) #endif /* CONFIG_MPC5xxx */ } } + +#if defined(CONFIG_BOOTM_VXWORKS) +void boot_prep_vxworks(bootm_headers_t *images) +{ +#if defined(CONFIG_OF_LIBFDT) + int off; + u64 base, size; + + if (!images->ft_addr) + return; + + base = (u64)gd->bd->bi_memstart; + size = (u64)gd->bd->bi_memsize; + + off = fdt_path_offset(images->ft_addr, "/memory"); + if (off < 0) + fdt_fixup_memory(images->ft_addr, base, size); + +#if defined(CONFIG_MP) +#if defined(CONFIG_MPC85xx) + ft_fixup_cpu(images->ft_addr, base + size); + ft_fixup_num_cores(images->ft_addr); +#elif defined(CONFIG_MPC86xx) + off = fdt_add_mem_rsv(images->ft_addr, + determine_mp_bootpg(NULL), (u64)4096); + if (off < 0) + printf("## WARNING %s: %s\n", __func__, fdt_strerror(off)); + ft_fixup_num_cores(images->ft_addr); +#endif + flush_cache((unsigned long)images->ft_addr, images->ft_len); +#endif +#endif +} + +void boot_jump_vxworks(bootm_headers_t *images) +{ + /* PowerPC VxWorks boot interface conforms to the ePAPR standard + * general purpuse registers: + * + * r3: Effective address of the device tree image + * r4: 0 + * r5: 0 + * r6: ePAPR magic value + * r7: shall be the size of the boot IMA in bytes + * r8: 0 + * r9: 0 + * TCR: WRC = 0, no watchdog timer reset will occur + */ + WATCHDOG_RESET(); + + ((void (*)(void *, ulong, ulong, ulong, + ulong, ulong, ulong))images->ep)(images->ft_addr, + 0, 0, EPAPR_MAGIC, getenv_bootm_mapsize(), 0, 0); +} +#endif |