diff options
Diffstat (limited to 'arch/mips/loongson/common/mem.c')
| -rw-r--r-- | arch/mips/loongson/common/mem.c | 57 |
1 files changed, 50 insertions, 7 deletions
diff --git a/arch/mips/loongson/common/mem.c b/arch/mips/loongson/common/mem.c index ceacd092b44..b01d52473da 100644 --- a/arch/mips/loongson/common/mem.c +++ b/arch/mips/loongson/common/mem.c @@ -1,6 +1,6 @@ /* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ @@ -11,15 +11,21 @@ #include <asm/bootinfo.h> #include <loongson.h> +#include <boot_param.h> #include <mem.h> #include <pci.h> +#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE + +u32 memsize, highmemsize; + void __init prom_init_memory(void) { - add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM); + add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM); + + add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize << + 20), BOOT_MEM_RESERVED); - add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize << - 20), BOOT_MEM_RESERVED); #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG { int bit; @@ -48,6 +54,43 @@ void __init prom_init_memory(void) #endif /* !CONFIG_64BIT */ } +#else /* CONFIG_LEFI_FIRMWARE_INTERFACE */ + +void __init prom_init_memory(void) +{ + int i; + u32 node_id; + u32 mem_type; + + /* parse memory information */ + for (i = 0; i < loongson_memmap->nr_map; i++) { + node_id = loongson_memmap->map[i].node_id; + mem_type = loongson_memmap->map[i].mem_type; + + if (node_id == 0) { + switch (mem_type) { + case SYSTEM_RAM_LOW: + add_memory_region(loongson_memmap->map[i].mem_start, + (u64)loongson_memmap->map[i].mem_size << 20, + BOOT_MEM_RAM); + break; + case SYSTEM_RAM_HIGH: + add_memory_region(loongson_memmap->map[i].mem_start, + (u64)loongson_memmap->map[i].mem_size << 20, + BOOT_MEM_RAM); + break; + case MEM_RESERVED: + add_memory_region(loongson_memmap->map[i].mem_start, + (u64)loongson_memmap->map[i].mem_size << 20, + BOOT_MEM_RESERVED); + break; + } + } + } +} + +#endif /* CONFIG_LEFI_FIRMWARE_INTERFACE */ + /* override of arch/mips/mm/cache.c: __uncached_access */ int __uncached_access(struct file *file, unsigned long addr) { @@ -74,7 +117,7 @@ pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long end = offset + size; if (__uncached_access(file, offset)) { - if (((uca_start && offset) >= uca_start) && + if (uca_start && (offset >= uca_start) && (end <= uca_end)) return __pgprot((pgprot_val(vma_prot) & ~_CACHE_MASK) | @@ -95,7 +138,7 @@ static int __init find_vga_mem_init(void) return 0; for_each_pci_dev(dev) { - if ((dev->class >> 8) == PCI_CLASS_DISPLAY_VGA) { + if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) { for (idx = 0; idx < PCI_NUM_RESOURCES; idx++) { r = &dev->resource[idx]; if (!r->start && r->end) |
