int arch_cpu_init (void)
{
/*
* global data (_start is invalid so reconfig mon_len value)
*
*/
gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_TEXT_BASE;
/*
* cpu initialize
*/
nxp_cpu_arch_init();
nxp_cpu_clock_init();
nxp_cpu_periph_init();
return 0;
}
static void __init cpu_map_io(void)
{
int cores = LIVE_NR_CPUS;
/*
* check memory map
*/
unsigned long io_end = cpu_iomap_desc[ARRAY_SIZE(cpu_iomap_desc)-1].virtual +
cpu_iomap_desc[ARRAY_SIZE(cpu_iomap_desc)-1].length;
#if defined(CFG_MEM_PHY_DMAZONE_SIZE)
unsigned long dma_start = CONSISTENT_END - CFG_MEM_PHY_DMAZONE_SIZE;
#else
unsigned long dma_start = CONSISTENT_END - SZ_2M; // refer to dma-mapping.c
#endif
if (io_end > dma_start)
printk(KERN_ERR "\n****** BUG: Overlapped io mmap 0x%lx with dma start 0x%lx ******\n",
io_end, dma_start);
/* debug */
_IOMAP();
/* make iotable */
iotable_init(cpu_iomap_desc, ARRAY_SIZE(cpu_iomap_desc));
#if defined(CFG_MEM_PHY_DMAZONE_SIZE)
printk(KERN_INFO "CPU : DMA Zone Size =%2dM, CORE %d\n", CFG_MEM_PHY_DMAZONE_SIZE>>20, cores);
init_consistent_dma_size(CFG_MEM_PHY_DMAZONE_SIZE);
#else
printk(KERN_INFO "CPU : DMA Zone Size =%2dM, CORE %d\n", SZ_2M>>20, cores);
#endif
nxp_cpu_arch_init();
nxp_board_base_init();
nxp_cpu_clock_init();
nxp_cpu_clock_print();
}
