| Line 127... |
Line 127... |
}
|
}
|
}
|
}
|
|
|
static void __init zone_sizes_init(void)
|
static void __init zone_sizes_init(void)
|
{
|
{
|
unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
|
unsigned long zones_size[MAX_NR_ZONES];
|
unsigned int max_dma, low;
|
unsigned long max_dma, low;
|
|
|
|
memset(zones_size, 0, sizeof(zones_size));
|
|
|
|
// MAX_DMA_ADDRESS = PAGE_OFFSET+0x1000000
|
max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
|
max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
|
low = max_low_pfn;
|
low = max_low_pfn;
|
|
|
|
printk("max_low_pfn=%ld, max_dma=%ld\n",max_low_pfn, max_dma);
|
|
|
if (low < max_dma)
|
if (low < max_dma)
|
zones_size[ZONE_DMA] = low;
|
zones_size[ZONE_DMA] = low;
|
else {
|
else {
|
zones_size[ZONE_DMA] = max_dma;
|
zones_size[ZONE_DMA] = max_dma;
|
zones_size[ZONE_NORMAL] = low - max_dma;
|
zones_size[ZONE_NORMAL] = low - max_dma;
|
| Line 298... |
Line 303... |
* or make sure that it doesn't kill of the kernel when no oeth
|
* or make sure that it doesn't kill of the kernel when no oeth
|
* present
|
* present
|
*/
|
*/
|
|
|
/* map the UART address space */
|
/* map the UART address space */
|
identical_mapping(0x80000000, 0x10000000, _PAGE_CI |
|
identical_mapping(0x20000000, 0x2000, _PAGE_CI |
|
_PAGE_URE | _PAGE_UWE);
|
|
identical_mapping(0x92000000, 0x2000, _PAGE_CI |
|
|
_PAGE_URE | _PAGE_UWE);
|
|
identical_mapping(0xb8070000, 0x2000, _PAGE_CI |
|
|
_PAGE_URE | _PAGE_UWE);
|
|
identical_mapping(0x97000000, 0x2000, _PAGE_CI |
|
|
_PAGE_URE | _PAGE_UWE);
|
|
identical_mapping(0x99000000, 0x1000000, _PAGE_CI |
|
|
_PAGE_URE | _PAGE_UWE);
|
_PAGE_URE | _PAGE_UWE);
|
identical_mapping(0x93000000, 0x2000, _PAGE_CI |
|
identical_mapping(0x30000000, 0x2000, _PAGE_CI);
|
_PAGE_URE | _PAGE_UWE);
|
/*
|
identical_mapping(0xa6000000, 0x100000, _PAGE_CI |
|
identical_mapping(0x80000000, 0x10000000, _PAGE_CI |
|
_PAGE_URE | _PAGE_UWE);
|
_PAGE_URE | _PAGE_UWE);
|
identical_mapping(0x1e50000, 0x150000, _PAGE_CI |
|
identical_mapping(0x92000000, 0x2000, _PAGE_CI |
|
_PAGE_URE | _PAGE_UWE);
|
_PAGE_URE | _PAGE_UWE);
|
|
identical_mapping(0xb8070000, 0x2000, _PAGE_CI |
|
|
_PAGE_URE | _PAGE_UWE);
|
|
identical_mapping(0x97000000, 0x2000, _PAGE_CI |
|
|
_PAGE_URE | _PAGE_UWE);
|
|
identical_mapping(0x99000000, 0x1000000, _PAGE_CI |
|
|
_PAGE_URE | _PAGE_UWE);
|
|
identical_mapping(0x93000000, 0x2000, _PAGE_CI |
|
|
_PAGE_URE | _PAGE_UWE);
|
|
identical_mapping(0xa6000000, 0x100000, _PAGE_CI |
|
|
_PAGE_URE | _PAGE_UWE);
|
|
identical_mapping(0x1e50000, 0x150000, _PAGE_CI |
|
|
_PAGE_URE | _PAGE_UWE);
|
|
*/
|
zone_sizes_init();
|
zone_sizes_init();
|
|
|
/*
|
/*
|
* Fixed mappings, only the page table structure has to be
|
* Fixed mappings, only the page table structure has to be
|
* created - mappings will be set by set_fixmap():
|
* created - mappings will be set by set_fixmap():
|
