Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus

[cascardo/linux.git] / arch / mips / cavium-octeon / setup.c

diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 5537f95..9a2db1c 100644 (file)
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -65,7 +65,8 @@ EXPORT_SYMBOL(octeon_should_swizzle_table);
 extern void pci_console_init(const char *arg);
 #endif
 
-static unsigned long long MAX_MEMORY = 512ull << 20;
+static unsigned long long max_memory = ULLONG_MAX;
+static unsigned long long reserve_low_mem;
 
 DEFINE_SEMAPHORE(octeon_bootbus_sem);
 EXPORT_SYMBOL(octeon_bootbus_sem);
@@ -75,7 +76,6 @@ struct octeon_boot_descriptor *octeon_boot_desc_ptr;
 struct cvmx_bootinfo *octeon_bootinfo;
 EXPORT_SYMBOL(octeon_bootinfo);
 
-static unsigned long long RESERVE_LOW_MEM = 0ull;
 #ifdef CONFIG_KEXEC
 #ifdef CONFIG_SMP
 /*
@@ -125,18 +125,18 @@ static void kexec_bootmem_init(uint64_t mem_size, uint32_t low_reserved_bytes)
        bootmem_desc->major_version = CVMX_BOOTMEM_DESC_MAJ_VER;
        bootmem_desc->minor_version = CVMX_BOOTMEM_DESC_MIN_VER;
 
-       addr = (OCTEON_DDR0_BASE + RESERVE_LOW_MEM + low_reserved_bytes);
+       addr = (OCTEON_DDR0_BASE + reserve_low_mem + low_reserved_bytes);
        bootmem_desc->head_addr = 0;
 
        if (mem_size <= OCTEON_DDR0_SIZE) {
                __cvmx_bootmem_phy_free(addr,
-                               mem_size - RESERVE_LOW_MEM -
+                               mem_size - reserve_low_mem -
                                low_reserved_bytes, 0);
                return;
        }
 
        __cvmx_bootmem_phy_free(addr,
-                       OCTEON_DDR0_SIZE - RESERVE_LOW_MEM -
+                       OCTEON_DDR0_SIZE - reserve_low_mem -
                        low_reserved_bytes, 0);
 
        mem_size -= OCTEON_DDR0_SIZE;
@@ -857,15 +857,15 @@ void __init prom_init(void)
 
        /* Default to 64MB in the simulator to speed things up */
        if (octeon_is_simulation())
-               MAX_MEMORY = 64ull << 20;
+               max_memory = 64ull << 20;
 
        arg = strstr(arcs_cmdline, "mem=");
        if (arg) {
-               MAX_MEMORY = memparse(arg + 4, &p);
-               if (MAX_MEMORY == 0)
-                       MAX_MEMORY = 32ull << 30;
+               max_memory = memparse(arg + 4, &p);
+               if (max_memory == 0)
+                       max_memory = 32ull << 30;
                if (*p == '@')
-                       RESERVE_LOW_MEM = memparse(p + 1, &p);
+                       reserve_low_mem = memparse(p + 1, &p);
        }
 
        arcs_cmdline[0] = 0;
@@ -875,11 +875,11 @@ void __init prom_init(void)
                        cvmx_phys_to_ptr(octeon_boot_desc_ptr->argv[i]);
                if ((strncmp(arg, "MEM=", 4) == 0) ||
                    (strncmp(arg, "mem=", 4) == 0)) {
-                       MAX_MEMORY = memparse(arg + 4, &p);
-                       if (MAX_MEMORY == 0)
-                               MAX_MEMORY = 32ull << 30;
+                       max_memory = memparse(arg + 4, &p);
+                       if (max_memory == 0)
+                               max_memory = 32ull << 30;
                        if (*p == '@')
-                               RESERVE_LOW_MEM = memparse(p + 1, &p);
+                               reserve_low_mem = memparse(p + 1, &p);
 #ifdef CONFIG_KEXEC
                } else if (strncmp(arg, "crashkernel=", 12) == 0) {
                        crashk_size = memparse(arg+12, &p);
@@ -971,13 +971,13 @@ void __init plat_mem_setup(void)
         * to consistently work.
         */
        mem_alloc_size = 4 << 20;
-       if (mem_alloc_size > MAX_MEMORY)
-               mem_alloc_size = MAX_MEMORY;
+       if (mem_alloc_size > max_memory)
+               mem_alloc_size = max_memory;
 
 /* Crashkernel ignores bootmem list. It relies on mem=X@Y option */
 #ifdef CONFIG_CRASH_DUMP
-       add_memory_region(RESERVE_LOW_MEM, MAX_MEMORY, BOOT_MEM_RAM);
-       total += MAX_MEMORY;
+       add_memory_region(reserve_low_mem, max_memory, BOOT_MEM_RAM);
+       total += max_memory;
 #else
 #ifdef CONFIG_KEXEC
        if (crashk_size > 0) {
@@ -992,7 +992,7 @@ void __init plat_mem_setup(void)
         */
        cvmx_bootmem_lock();
        while ((boot_mem_map.nr_map < BOOT_MEM_MAP_MAX)
-               && (total < MAX_MEMORY)) {
+               && (total < max_memory)) {
                memory = cvmx_bootmem_phy_alloc(mem_alloc_size,
                                                __pa_symbol(&_end), -1,
                                                0x100000,