diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-14 21:05:21 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-14 21:05:21 (GMT) |
commit | 4964e0664c80680fa6b28ef91381c076a5b25c2c (patch) | |
tree | 62099c5aaeee7274bcc66bcfba35d479affa97cf /arch/mips/kernel/setup.c | |
parent | 0a80939b3e6af4b0dc93bf88ec02fd7e90a16f1b (diff) | |
parent | 7bf6612e8a9d6a0b3b82e8e2611942be1258b307 (diff) | |
download | linux-4964e0664c80680fa6b28ef91381c076a5b25c2c.tar.xz |
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (119 commits)
MIPS: Delete unused function add_temporary_entry.
MIPS: Set default pci cache line size.
MIPS: Flush huge TLB
MIPS: Octeon: Remove SYS_SUPPORTS_HIGHMEM.
MIPS: Octeon: Add support for OCTEON II PCIe
MIPS: Octeon: Update PCI Latency timer and enable more error reporting.
MIPS: Alchemy: Update cpu-feature-overrides
MIPS: Alchemy: db1200: Improve PB1200 detection.
MIPS: Alchemy: merge Au1000 and Au1300-style IRQ controller code.
MIPS: Alchemy: chain IRQ controllers to MIPS IRQ controller
MIPS: Alchemy: irq: register pm at irq init time
MIPS: Alchemy: Touchscreen support on DB1100
MIPS: Alchemy: Hook up IrDA on DB1000/DB1100
net/irda: convert au1k_ir to platform driver.
MIPS: Alchemy: remove unused board headers
MTD: nand: make au1550nd.c a platform_driver
MIPS: Netlogic: Mark Netlogic chips as SMT capable
MIPS: Netlogic: Add support for XLP 3XX cores
MIPS: Netlogic: Merge some of XLR/XLP wakup code
MIPS: Netlogic: Add default XLP config.
...
Fix up trivial conflicts in arch/mips/kernel/{perf_event_mipsxx.c,
traps.c} and drivers/tty/serial/Makefile
Diffstat (limited to 'arch/mips/kernel/setup.c')
-rw-r--r-- | arch/mips/kernel/setup.c | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index b1cb8f8..058e964 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -122,6 +122,9 @@ static void __init print_memory_map(void) case BOOT_MEM_RAM: printk(KERN_CONT "(usable)\n"); break; + case BOOT_MEM_INIT_RAM: + printk(KERN_CONT "(usable after init)\n"); + break; case BOOT_MEM_ROM_DATA: printk(KERN_CONT "(ROM data)\n"); break; @@ -362,15 +365,24 @@ static void __init bootmem_init(void) for (i = 0; i < boot_mem_map.nr_map; i++) { unsigned long start, end, size; + start = PFN_UP(boot_mem_map.map[i].addr); + end = PFN_DOWN(boot_mem_map.map[i].addr + + boot_mem_map.map[i].size); + /* * Reserve usable memory. */ - if (boot_mem_map.map[i].type != BOOT_MEM_RAM) + switch (boot_mem_map.map[i].type) { + case BOOT_MEM_RAM: + break; + case BOOT_MEM_INIT_RAM: + memory_present(0, start, end); continue; + default: + /* Not usable memory */ + continue; + } - start = PFN_UP(boot_mem_map.map[i].addr); - end = PFN_DOWN(boot_mem_map.map[i].addr - + boot_mem_map.map[i].size); /* * We are rounding up the start address of usable memory * and at the end of the usable range downwards. @@ -456,11 +468,33 @@ early_param("mem", early_parse_mem); static void __init arch_mem_init(char **cmdline_p) { + phys_t init_mem, init_end, init_size; + extern void plat_mem_setup(void); /* call board setup routine */ plat_mem_setup(); + init_mem = PFN_UP(__pa_symbol(&__init_begin)) << PAGE_SHIFT; + init_end = PFN_DOWN(__pa_symbol(&__init_end)) << PAGE_SHIFT; + init_size = init_end - init_mem; + if (init_size) { + /* Make sure it is in the boot_mem_map */ + int i, found; + found = 0; + for (i = 0; i < boot_mem_map.nr_map; i++) { + if (init_mem >= boot_mem_map.map[i].addr && + init_mem < (boot_mem_map.map[i].addr + + boot_mem_map.map[i].size)) { + found = 1; + break; + } + } + if (!found) + add_memory_region(init_mem, init_size, + BOOT_MEM_INIT_RAM); + } + pr_info("Determined physical RAM map:\n"); print_memory_map(); @@ -524,6 +558,7 @@ static void __init resource_init(void) res = alloc_bootmem(sizeof(struct resource)); switch (boot_mem_map.map[i].type) { case BOOT_MEM_RAM: + case BOOT_MEM_INIT_RAM: case BOOT_MEM_ROM_DATA: res->name = "System RAM"; break; |