void __init prom_meminit(void)
{
struct prom_pmemblock *p;
#ifdef DEBUG
pr_debug("YAMON MEMORY DESCRIPTOR dump:\n");
p = prom_getmdesc();
while (p->size) {
int i = 0;
pr_debug("[%d,%p]: base<%08lx> size<%08lx> type<%s>\n",
i, p, p->base, p->size, mtypes[p->type]);
p++;
i++;
}
#endif
p = prom_getmdesc();
while (p->size) {
long type;
unsigned long base, size;
type = prom_memtype_classify(p->type);
base = p->base;
size = p->size;
add_memory_region(base, size, type);
p++;
}
}
void __init prom_meminit(void)
{
phys_t base = 0, size = RAM_SIZE;
struct prom_pmemblock *p;
//printk("ram start= %x, ram end= %x\n",rt2880_res_ram.start, rt2880_res_ram.end);
//printk("size = %x\n",rt2880_res_ram.end - rt2880_res_ram.start);
//add_memory_region(0x0a000000, rt2880_res_ram.end - rt2880_res_ram.start, BOOT_MEM_RAM);
#if defined(CONFIG_RT2880_ASIC) || defined(CONFIG_RT2880_FPGA)
base = 0x08000000;
#endif
p = prom_getmdesc();
#ifdef DEBUG
printk("MEMORY DESCRIPTOR dump:\n");
printk("[0,%p]: base<%08lx> size<%08x> type<%d>\n",
p, p->base, p->size, p->type);
#endif
if (!p->base || p->base == 0x08000000)
base = p->base;
if (p->size >= (32 * 1024 * 1024) && p->size <= (256 * 1024 * 1024))
size = p->size;
add_memory_region(base, size, BOOT_MEM_RAM);
}
__initfunc(void prom_meminit(void))
{
struct linux_mdesc *p;
int totram;
int i = 0;
p = prom_getmdesc(PROM_NULL_MDESC);
#ifdef DEBUG
prom_printf("ARCS MEMORY DESCRIPTOR dump:\n");
while(p) {
prom_printf("[%d,%p]: base<%08lx> pages<%08lx> type<%s>\n",
i, p, p->base, p->pages, mtypes[p->type]);
p = prom_getmdesc(p);
i++;
}
#endif
p = prom_getmdesc(PROM_NULL_MDESC);
totram = 0;
i = 0;
while(p) {
if(p->type == free || p->type == fcontig) {
prom_pblocks[i].base =
((p->base<<PAGE_SHIFT) + 0x80000000);
prom_pblocks[i].size = p->pages << PAGE_SHIFT;
totram += prom_pblocks[i].size;
#ifdef DEBUG
prom_printf("free_chunk[%d]: base=%08lx size=%d\n",
i, prom_pblocks[i].base,
prom_pblocks[i].size);
#endif
i++;
}
p = prom_getmdesc(p);
}
prom_pblocks[i].base = 0xdeadbeef;
prom_pblocks[i].size = 0; /* indicates last elem. of array */
printk("PROMLIB: Total free ram %d bytes (%dK,%dMB)\n",
totram, (totram/1024), (totram/1024/1024));
/* Setup upper physical memory bound. */
prom_setup_memupper();
}
void __init prom_meminit(void)
{
struct prom_pmemblock *p;
p = prom_getmdesc();
while (p->size) {
long type;
unsigned long base, size;
type = prom_memtype_classify(p->type);
base = p->base;
size = p->size;
add_memory_region(base, size, type);
p++;
}
}
void __init prom_meminit(void)
{
struct prom_pmemblock *largest, *p;
unsigned long bootmap_size;
int totram;
int i = 0;
#ifdef DEBUG
prom_printf("YAMON MEMORY DESCRIPTOR dump:\n");
p = prom_getmdesc();
while (p->size) {
prom_printf("[%d,%p]: base<%08lx> size<%08lx> type<%s>\n",
i, p, p->base, p->size, mtypes[p->type]);
p++;
i++;
}
#endif
totram = 0;
i = 0;
p = prom_getmdesc();
while (p->size) {
pblocks[i].type = prom_memtype_classify (p->type);
pblocks[i].base = p->base;
pblocks[i].size = p->size;
switch (pblocks[i].type) {
case MEMTYPE_FREE:
totram += pblocks[i].size;
#ifdef DEBUG
prom_printf("free_chunk[%d]: base=%08lx size=%d\n",
i, pblocks[i].base, pblocks[i].size);
#endif
i++;
break;
case MEMTYPE_PROM:
#ifdef DEBUG
prom_printf("prom_chunk[%d]: base=%08lx size=%d\n",
i, pblocks[i].base, pblocks[i].size);
#endif
i++;
break;
default:
break;
}
p++;
}
pblocks[i].base = 0xdeadbeef;
pblocks[i].size = 0; /* indicates last elem. of array */
max_low_pfn = find_max_low_pfn();
largest = find_largest_memblock();
bootmap_size = init_bootmem(largest->base >> PAGE_SHIFT, max_low_pfn);
for (i = 0; pblocks[i].size; i++)
if (pblocks[i].type == MEMTYPE_FREE)
free_bootmem(pblocks[i].base, pblocks[i].size);
/* This test is simpleminded. It will fail if the bootmem bitmap
falls into multiple adjacent PROM memory areas. */
if (bootmap_size > largest->size) {
prom_printf("CRITIAL: overwriting PROM data.\n");
BUG();
}
/* Reserve the memory bootmap itself */
reserve_bootmem(largest->base, bootmap_size);
printk("PROMLIB: Total free ram %d bytes (%dK,%dMB)\n",
totram, (totram/1024), (totram/1024/1024));
}