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Diffstat (limited to 'arch/alpha/kernel/setup.c')
-rw-r--r--arch/alpha/kernel/setup.c80
1 files changed, 49 insertions, 31 deletions
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index fd4a8fa0c93..b20af76f12c 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -18,10 +18,8 @@
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/user.h>
-#include <linux/a.out.h>
#include <linux/screen_info.h>
#include <linux/delay.h>
-#include <linux/config.h> /* CONFIG_ALPHA_LCA etc */
#include <linux/mc146818rtc.h>
#include <linux/console.h>
#include <linux/cpu.h>
@@ -44,6 +42,8 @@
#include <linux/notifier.h>
#include <asm/setup.h>
#include <asm/io.h>
+#include <linux/log2.h>
+#include <linux/export.h>
extern struct atomic_notifier_head panic_notifier_list;
static int alpha_panic_event(struct notifier_block *, unsigned long, void *);
@@ -55,10 +55,8 @@ static struct notifier_block alpha_panic_block = {
#include <asm/uaccess.h>
#include <asm/pgtable.h>
-#include <asm/system.h>
#include <asm/hwrpb.h>
#include <asm/dma.h>
-#include <asm/io.h>
#include <asm/mmu_context.h>
#include <asm/console.h>
@@ -67,6 +65,7 @@ static struct notifier_block alpha_panic_block = {
struct hwrpb_struct *hwrpb;
+EXPORT_SYMBOL(hwrpb);
unsigned long srm_hae;
int alpha_l1i_cacheshape;
@@ -80,6 +79,11 @@ int alpha_l3_cacheshape;
unsigned long alpha_verbose_mcheck = CONFIG_VERBOSE_MCHECK_ON;
#endif
+#ifdef CONFIG_NUMA
+struct cpumask node_to_cpumask_map[MAX_NUMNODES] __read_mostly;
+EXPORT_SYMBOL(node_to_cpumask_map);
+#endif
+
/* Which processor we booted from. */
int boot_cpuid;
@@ -111,7 +115,15 @@ unsigned long alpha_agpgart_size = DEFAULT_AGP_APER_SIZE;
#ifdef CONFIG_ALPHA_GENERIC
struct alpha_machine_vector alpha_mv;
+#endif
+
+#ifndef alpha_using_srm
int alpha_using_srm;
+EXPORT_SYMBOL(alpha_using_srm);
+#endif
+
+#ifndef alpha_using_qemu
+int alpha_using_qemu;
#endif
static struct alpha_machine_vector *get_sysvec(unsigned long, unsigned long,
@@ -121,7 +133,7 @@ static void get_sysnames(unsigned long, unsigned long, unsigned long,
char **, char **);
static void determine_cpu_caches (unsigned int);
-static char command_line[COMMAND_LINE_SIZE];
+static char __initdata command_line[COMMAND_LINE_SIZE];
/*
* The format of "screen_info" is strange, and due to early
@@ -138,6 +150,8 @@ struct screen_info screen_info = {
.orig_video_points = 16
};
+EXPORT_SYMBOL(screen_info);
+
/*
* The direct map I/O window, if any. This should be the same
* for all busses, since it's used by virt_to_bus.
@@ -145,6 +159,8 @@ struct screen_info screen_info = {
unsigned long __direct_map_base;
unsigned long __direct_map_size;
+EXPORT_SYMBOL(__direct_map_base);
+EXPORT_SYMBOL(__direct_map_size);
/*
* Declare all of the machine vectors.
@@ -243,9 +259,9 @@ reserve_std_resources(void)
}
#define PFN_MAX PFN_DOWN(0x80000000)
-#define for_each_mem_cluster(memdesc, cluster, i) \
- for ((cluster) = (memdesc)->cluster, (i) = 0; \
- (i) < (memdesc)->numclusters; (i)++, (cluster)++)
+#define for_each_mem_cluster(memdesc, _cluster, i) \
+ for ((_cluster) = (memdesc)->cluster, (i) = 0; \
+ (i) < (memdesc)->numclusters; (i)++, (_cluster)++)
static unsigned long __init
get_mem_size_limit(char *s)
@@ -423,7 +439,8 @@ setup_memory(void *kernel_end)
}
/* Reserve the bootmap memory. */
- reserve_bootmem(PFN_PHYS(bootmap_start), bootmap_size);
+ reserve_bootmem(PFN_PHYS(bootmap_start), bootmap_size,
+ BOOTMEM_DEFAULT);
printk("reserving pages %ld:%ld\n", bootmap_start, bootmap_start+PFN_UP(bootmap_size));
#ifdef CONFIG_BLK_DEV_INITRD
@@ -441,7 +458,7 @@ setup_memory(void *kernel_end)
phys_to_virt(PFN_PHYS(max_low_pfn)));
} else {
reserve_bootmem(virt_to_phys((void *)initrd_start),
- INITRD_SIZE);
+ INITRD_SIZE, BOOTMEM_DEFAULT);
}
}
#endif /* CONFIG_BLK_DEV_INITRD */
@@ -519,11 +536,15 @@ setup_arch(char **cmdline_p)
atomic_notifier_chain_register(&panic_notifier_list,
&alpha_panic_block);
-#ifdef CONFIG_ALPHA_GENERIC
+#ifndef alpha_using_srm
/* Assume that we've booted from SRM if we haven't booted from MILO.
Detect the later by looking for "MILO" in the system serial nr. */
alpha_using_srm = strncmp((const char *)hwrpb->ssn, "MILO", 4) != 0;
#endif
+#ifndef alpha_using_qemu
+ /* Similarly, look for QEMU. */
+ alpha_using_qemu = strstr((const char *)hwrpb->ssn, "QEMU") != 0;
+#endif
/* If we are using SRM, we want to allow callbacks
as early as possible, so do this NOW, and then
@@ -542,7 +563,7 @@ setup_arch(char **cmdline_p)
} else {
strlcpy(command_line, COMMAND_LINE, sizeof command_line);
}
- strcpy(saved_command_line, command_line);
+ strcpy(boot_command_line, command_line);
*cmdline_p = command_line;
/*
@@ -584,7 +605,7 @@ setup_arch(char **cmdline_p)
}
/* Replace the command line, now that we've killed it with strsep. */
- strcpy(command_line, saved_command_line);
+ strcpy(command_line, boot_command_line);
/* If we want SRM console printk echoing early, do it now. */
if (alpha_using_srm && srmcons_output) {
@@ -739,15 +760,6 @@ setup_arch(char **cmdline_p)
paging_init();
}
-void __init
-disable_early_printk(void)
-{
- if (alpha_using_srm && srmcons_output) {
- unregister_srm_console();
- srmcons_output = 0;
- }
-}
-
static char sys_unknown[] = "Unknown";
static char systype_names[][16] = {
"0",
@@ -1206,6 +1218,7 @@ show_cpuinfo(struct seq_file *f, void *slot)
char *systype_name;
char *sysvariation_name;
int nr_processors;
+ unsigned long timer_freq;
cpu_index = (unsigned) (cpu->type - 1);
cpu_name = "Unknown";
@@ -1217,6 +1230,12 @@ show_cpuinfo(struct seq_file *f, void *slot)
nr_processors = get_nr_processors(cpu, hwrpb->nr_processors);
+#if CONFIG_HZ == 1024 || CONFIG_HZ == 1200
+ timer_freq = (100UL * hwrpb->intr_freq) / 4096;
+#else
+ timer_freq = 100UL * CONFIG_HZ;
+#endif
+
seq_printf(f, "cpu\t\t\t: Alpha\n"
"cpu model\t\t: %s\n"
"cpu variation\t\t: %ld\n"
@@ -1242,8 +1261,7 @@ show_cpuinfo(struct seq_file *f, void *slot)
(char*)hwrpb->ssn,
est_cycle_freq ? : hwrpb->cycle_freq,
est_cycle_freq ? "est." : "",
- hwrpb->intr_freq / 4096,
- (100 * hwrpb->intr_freq / 4096) % 100,
+ timer_freq / 100, timer_freq % 100,
hwrpb->pagesize,
hwrpb->pa_bits,
hwrpb->max_asn,
@@ -1254,9 +1272,9 @@ show_cpuinfo(struct seq_file *f, void *slot)
platform_string(), nr_processors);
#ifdef CONFIG_SMP
- seq_printf(f, "cpus active\t\t: %d\n"
+ seq_printf(f, "cpus active\t\t: %u\n"
"cpu active mask\t\t: %016lx\n",
- num_online_cpus(), cpus_addr(cpu_possible_map)[0]);
+ num_online_cpus(), cpumask_bits(cpu_possible_mask)[0]);
#endif
show_cache_size (f, "L1 Icache", alpha_l1i_cacheshape);
@@ -1307,7 +1325,7 @@ external_cache_probe(int minsize, int width)
long size = minsize, maxsize = MAX_BCACHE_SIZE * 2;
if (maxsize > (max_low_pfn + 1) << PAGE_SHIFT)
- maxsize = 1 << (floor_log2(max_low_pfn + 1) + PAGE_SHIFT);
+ maxsize = 1 << (ilog2(max_low_pfn + 1) + PAGE_SHIFT);
/* Get the first block cached. */
read_mem_block(__va(0), stride, size);
@@ -1403,8 +1421,6 @@ determine_cpu_caches (unsigned int cpu_type)
case PCA56_CPU:
case PCA57_CPU:
{
- unsigned long cbox_config, size;
-
if (cpu_type == PCA56_CPU) {
L1I = CSHAPE(16*1024, 6, 1);
L1D = CSHAPE(8*1024, 5, 1);
@@ -1414,10 +1430,12 @@ determine_cpu_caches (unsigned int cpu_type)
}
L3 = -1;
+#if 0
+ unsigned long cbox_config, size;
+
cbox_config = *(vulp) phys_to_virt (0xfffff00008UL);
size = 512*1024 * (1 << ((cbox_config >> 12) & 3));
-#if 0
L2 = ((cbox_config >> 31) & 1 ? CSHAPE (size, 6, 1) : -1);
#else
L2 = external_cache_probe(512*1024, 6);
@@ -1475,7 +1493,7 @@ c_stop(struct seq_file *f, void *v)
{
}
-struct seq_operations cpuinfo_op = {
+const struct seq_operations cpuinfo_op = {
.start = c_start,
.next = c_next,
.stop = c_stop,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 11:31:06 +0000