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Code Issues Releases Activity

Start to clean up the lpc initarm as it also uses FDT.

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This commit is contained in:
Andrew Turner 2012-09-26 09:25:31 +00:00
parent 94cb35459d
commit f902e2e2d3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=240952
1 changed files with 18 additions and 12 deletions
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30
sys/arm/lpc/lpc_machdep.c
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@ -129,11 +129,11 @@ extern int *end;
struct pv_addr kernel_pt_table[KERNEL_PT_MAX];
/* Physical and virtual addresses for some global pages */
vm_paddr_t phys_avail[10];
vm_paddr_t dump_avail[4];
vm_offset_t physical_pages;
vm_offset_t pmap_bootstrap_lastaddr;
vm_paddr_t pmap_pa;
const struct pmap_devmap *pmap_devmap_bootstrap_table;
struct pv_addr systempage;
@ -309,12 +309,15 @@ initarm(struct arm_boot_params *abp)
uint32_t memsize, l2size;
void *kmdp;
u_int l1pagetable;
int i = 0, j = 0;
int i = 0, j = 0, err_devmap = 0;
lastaddr = parse_boot_param(abp);
memsize = 0;
set_cpufuncs();
/*
* Find the dtb passed in by the boot loader.
*/
kmdp = preload_search_by_type("elf kernel");
if (kmdp != NULL)
dtbp = MD_FETCH(kmdp, MODINFOMD_DTBP, vm_offset_t);
@ -347,8 +350,7 @@ initarm(struct arm_boot_params *abp)
/* Platform-specific initialisation */
pmap_bootstrap_lastaddr = fdt_immr_va - ARM_NOCACHE_KVA_SIZE;
pcpu_init(pcpup, 0, sizeof(struct pcpu));
PCPU_SET(curthread, &thread0);
pcpu0_init();
/* Calculate number of L2 tables needed for mapping vm_page_array */
l2size = (memsize / PAGE_SIZE) * sizeof(struct vm_page);
@ -406,10 +408,10 @@ initarm(struct arm_boot_params *abp)
dpcpu_init((void *)dpcpu.pv_va, 0);
/* Allocate stacks for all modes */
valloc_pages(irqstack, IRQ_STACK_SIZE);
valloc_pages(abtstack, ABT_STACK_SIZE);
valloc_pages(undstack, UND_STACK_SIZE);
valloc_pages(kernelstack, KSTACK_PAGES);
valloc_pages(irqstack, (IRQ_STACK_SIZE * MAXCPU));
valloc_pages(abtstack, (ABT_STACK_SIZE * MAXCPU));
valloc_pages(undstack, (UND_STACK_SIZE * MAXCPU));
valloc_pages(kernelstack, (KSTACK_PAGES * MAXCPU));
init_param1();
@ -464,12 +466,12 @@ initarm(struct arm_boot_params *abp)
VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);
/* Map pmap_devmap[] entries */
if (platform_devmap_init() != 0)
while (1);
err_devmap = platform_devmap_init();
pmap_devmap_bootstrap(l1pagetable, pmap_devmap_bootstrap_table);
cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL * 2)) |
DOMAIN_CLIENT);
pmap_pa = kernel_l1pt.pv_pa;
setttb(kernel_l1pt.pv_pa);
cpu_tlb_flushID();
cpu_domains(DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL * 2));
@ -493,12 +495,16 @@ initarm(struct arm_boot_params *abp)
physmem = memsize / PAGE_SIZE;
debugf("initarm: console initialized\n");
debugf(" arg1 mdp = 0x%08x\n", (uint32_t)mdp);
debugf(" arg1 kmdp = 0x%08x\n", (uint32_t)kmdp);
debugf(" boothowto = 0x%08x\n", boothowto);
printf(" dtbp = 0x%08x\n", (uint32_t)dtbp);
debugf(" dtbp = 0x%08x\n", (uint32_t)dtbp);
print_kernel_section_addr();
print_kenv();
if (err_devmap != 0)
printf("WARNING: could not fully configure devmap, error=%d\n",
err_devmap);
/*
* Pages were allocated during the secondary bootstrap for the
* stacks for different CPU modes.