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-rw-r--r--arch/alpha/kernel/setup.c180
1 files changed, 47 insertions, 133 deletions
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index 4b5b1b244f86..bebdffafaee8 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -28,6 +28,7 @@
#include <linux/init.h>
#include <linux/string.h>
#include <linux/ioport.h>
+#include <linux/panic_notifier.h>
#include <linux/platform_device.h>
#include <linux/memblock.h>
#include <linux/pci.h>
@@ -46,7 +47,6 @@
#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 *);
static struct notifier_block alpha_panic_block = {
alpha_panic_event,
@@ -55,7 +55,6 @@ static struct notifier_block alpha_panic_block = {
};
#include <linux/uaccess.h>
-#include <asm/pgtable.h>
#include <asm/hwrpb.h>
#include <asm/dma.h>
#include <asm/mmu_context.h>
@@ -80,11 +79,6 @@ 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;
@@ -137,13 +131,14 @@ static void determine_cpu_caches (unsigned int);
static char __initdata command_line[COMMAND_LINE_SIZE];
+#ifdef CONFIG_VGA_CONSOLE
/*
* The format of "screen_info" is strange, and due to early
* i386-setup code. This is just enough to make the console
* code think we're on a VGA color display.
*/
-struct screen_info screen_info = {
+struct screen_info vgacon_screen_info = {
.orig_x = 0,
.orig_y = 25,
.orig_video_cols = 80,
@@ -151,8 +146,7 @@ struct screen_info screen_info = {
.orig_video_isVGA = 1,
.orig_video_points = 16
};
-
-EXPORT_SYMBOL(screen_info);
+#endif
/*
* The direct map I/O window, if any. This should be the same
@@ -177,35 +171,22 @@ EXPORT_SYMBOL(__direct_map_size);
asm(".weak "#X)
WEAK(alcor_mv);
-WEAK(alphabook1_mv);
-WEAK(avanti_mv);
-WEAK(cabriolet_mv);
WEAK(clipper_mv);
WEAK(dp264_mv);
WEAK(eb164_mv);
-WEAK(eb64p_mv);
-WEAK(eb66_mv);
-WEAK(eb66p_mv);
WEAK(eiger_mv);
-WEAK(jensen_mv);
WEAK(lx164_mv);
-WEAK(lynx_mv);
WEAK(marvel_ev7_mv);
WEAK(miata_mv);
-WEAK(mikasa_mv);
WEAK(mikasa_primo_mv);
WEAK(monet_mv);
WEAK(nautilus_mv);
-WEAK(noname_mv);
-WEAK(noritake_mv);
WEAK(noritake_primo_mv);
-WEAK(p2k_mv);
WEAK(pc164_mv);
WEAK(privateer_mv);
WEAK(rawhide_mv);
WEAK(ruffian_mv);
WEAK(rx164_mv);
-WEAK(sable_mv);
WEAK(sable_gamma_mv);
WEAK(shark_mv);
WEAK(sx164_mv);
@@ -213,7 +194,6 @@ WEAK(takara_mv);
WEAK(titan_mv);
WEAK(webbrick_mv);
WEAK(wildfire_mv);
-WEAK(xl_mv);
WEAK(xlt_mv);
#undef WEAK
@@ -230,7 +210,7 @@ static void __init
reserve_std_resources(void)
{
static struct resource standard_io_resources[] = {
- { .name = "rtc", .start = -1, .end = -1 },
+ { .name = "rtc", .start = 0x70, .end = 0x7f},
{ .name = "dma1", .start = 0x00, .end = 0x1f },
{ .name = "pic1", .start = 0x20, .end = 0x3f },
{ .name = "timer", .start = 0x40, .end = 0x5f },
@@ -252,10 +232,6 @@ reserve_std_resources(void)
}
}
- /* Fix up for the Jensen's queer RTC placement. */
- standard_io_resources[0].start = RTC_PORT(0);
- standard_io_resources[0].end = RTC_PORT(0) + 0x10;
-
for (i = 0; i < ARRAY_SIZE(standard_io_resources); ++i)
request_resource(io, standard_io_resources+i);
}
@@ -293,7 +269,7 @@ move_initrd(unsigned long mem_limit)
unsigned long size;
size = initrd_end - initrd_start;
- start = memblock_alloc_from(PAGE_ALIGN(size), PAGE_SIZE, 0);
+ start = memblock_alloc(PAGE_ALIGN(size), PAGE_SIZE);
if (!start || __pa(start) + size > mem_limit) {
initrd_start = initrd_end = 0;
return NULL;
@@ -306,7 +282,6 @@ move_initrd(unsigned long mem_limit)
}
#endif
-#ifndef CONFIG_DISCONTIGMEM
static void __init
setup_memory(void *kernel_end)
{
@@ -326,18 +301,19 @@ setup_memory(void *kernel_end)
i, cluster->usage, cluster->start_pfn,
cluster->start_pfn + cluster->numpages);
- /* Bit 0 is console/PALcode reserved. Bit 1 is
- non-volatile memory -- we might want to mark
- this for later. */
- if (cluster->usage & 3)
- continue;
-
end = cluster->start_pfn + cluster->numpages;
if (end > max_low_pfn)
max_low_pfn = end;
memblock_add(PFN_PHYS(cluster->start_pfn),
cluster->numpages << PAGE_SHIFT);
+
+ /* Bit 0 is console/PALcode reserved. Bit 1 is
+ non-volatile memory -- we might want to mark
+ this for later. */
+ if (cluster->usage & 3)
+ memblock_reserve(PFN_PHYS(cluster->start_pfn),
+ cluster->numpages << PAGE_SHIFT);
}
/*
@@ -390,12 +366,8 @@ setup_memory(void *kernel_end)
}
#endif /* CONFIG_BLK_DEV_INITRD */
}
-#else
-extern void setup_memory(void *);
-#endif /* !CONFIG_DISCONTIGMEM */
-int __init
-page_is_ram(unsigned long pfn)
+int page_is_ram(unsigned long pfn)
{
struct memclust_struct * cluster;
struct memdesc_struct * memdesc;
@@ -430,6 +402,20 @@ register_cpus(void)
arch_initcall(register_cpus);
+#ifdef CONFIG_MAGIC_SYSRQ
+static void sysrq_reboot_handler(u8 unused)
+{
+ machine_halt();
+}
+
+static const struct sysrq_key_op srm_sysrq_reboot_op = {
+ .handler = sysrq_reboot_handler,
+ .help_msg = "reboot(b)",
+ .action_msg = "Resetting",
+ .enable_mask = SYSRQ_ENABLE_BOOT,
+};
+#endif
+
void __init
setup_arch(char **cmdline_p)
{
@@ -466,7 +452,7 @@ setup_arch(char **cmdline_p)
#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;
+ alpha_using_srm = !str_has_prefix((const char *)hwrpb->ssn, "MILO");
#endif
#ifndef alpha_using_qemu
/* Similarly, look for QEMU. */
@@ -482,14 +468,7 @@ setup_arch(char **cmdline_p)
/*
* Locate the command line.
*/
- /* Hack for Jensen... since we're restricted to 8 or 16 chars for
- boot flags depending on the boot mode, we need some shorthand.
- This should do for installation. */
- if (strcmp(COMMAND_LINE, "INSTALL") == 0) {
- strlcpy(command_line, "root=/dev/fd0 load_ramdisk=1", sizeof command_line);
- } else {
- strlcpy(command_line, COMMAND_LINE, sizeof command_line);
- }
+ strscpy(command_line, COMMAND_LINE, sizeof(command_line));
strcpy(boot_command_line, command_line);
*cmdline_p = command_line;
@@ -550,8 +529,8 @@ setup_arch(char **cmdline_p)
/* If we're using SRM, make sysrq-b halt back to the prom,
not auto-reboot. */
if (alpha_using_srm) {
- struct sysrq_key_op *op = __sysrq_get_key_op('b');
- op->handler = (void *) machine_halt;
+ unregister_sysrq_key('b', __sysrq_reboot_op);
+ register_sysrq_key('b', &srm_sysrq_reboot_op);
}
#endif
@@ -605,13 +584,6 @@ setup_arch(char **cmdline_p)
"VERBOSE_MCHECK "
#endif
-#ifdef CONFIG_DISCONTIGMEM
- "DISCONTIGMEM "
-#ifdef CONFIG_NUMA
- "NUMA "
-#endif
-#endif
-
#ifdef CONFIG_DEBUG_SPINLOCK
"DEBUG_SPINLOCK "
#endif
@@ -635,6 +607,7 @@ setup_arch(char **cmdline_p)
/* Find our memory. */
setup_memory(kernel_end);
memblock_set_bottom_up(true);
+ sparse_init();
/* First guess at cpu cache sizes. Do this before init_arch. */
determine_cpu_caches(cpu->type);
@@ -654,14 +627,12 @@ setup_arch(char **cmdline_p)
#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)
- conswitchp = &vga_con;
-#elif defined(CONFIG_DUMMY_CONSOLE)
- conswitchp = &dummy_con;
+ vgacon_register_screen(&vgacon_screen_info);
#endif
#endif
/* Default root filesystem to sda2. */
- ROOT_DEV = Root_SDA2;
+ ROOT_DEV = MKDEV(SCSI_DISK0_MAJOR, 2);
#ifdef CONFIG_EISA
/* FIXME: only set this when we actually have EISA in this box? */
@@ -710,12 +681,6 @@ static int eb164_indices[] = {0,0,0,1,1,1,1,1,2,2,2,2,3,3,3,3,4};
static char alcor_names[][16] = {"Alcor", "Maverick", "Bret"};
static int alcor_indices[] = {0,0,0,1,1,1,0,0,0,0,0,0,2,2,2,2,2,2};
-static char eb64p_names[][16] = {"EB64+", "Cabriolet", "AlphaPCI64"};
-static int eb64p_indices[] = {0,0,1,2};
-
-static char eb66_names[][8] = {"EB66", "EB66+"};
-static int eb66_indices[] = {0,0,1};
-
static char marvel_names[][16] = {
"Marvel/EV7"
};
@@ -749,26 +714,26 @@ get_sysvec(unsigned long type, unsigned long variation, unsigned long cpu)
NULL, /* Ruby */
NULL, /* Flamingo */
NULL, /* Mannequin */
- &jensen_mv,
+ NULL, /* Jensens */
NULL, /* Pelican */
NULL, /* Morgan */
NULL, /* Sable -- see below. */
NULL, /* Medulla */
- &noname_mv,
+ NULL, /* Noname */
NULL, /* Turbolaser */
- &avanti_mv,
+ NULL, /* Avanti */
NULL, /* Mustang */
NULL, /* Alcor, Bret, Maverick. HWRPB inaccurate? */
NULL, /* Tradewind */
NULL, /* Mikasa -- see below. */
NULL, /* EB64 */
- NULL, /* EB66 -- see variation. */
- NULL, /* EB64+ -- see variation. */
- &alphabook1_mv,
+ NULL, /* EB66 */
+ NULL, /* EB64+ */
+ NULL, /* Alphabook1 */
&rawhide_mv,
NULL, /* K2 */
- &lynx_mv, /* Lynx */
- &xl_mv,
+ NULL, /* Lynx */
+ NULL, /* XL */
NULL, /* EB164 -- see variation. */
NULL, /* Noritake -- see below. */
NULL, /* Cortex */
@@ -807,19 +772,6 @@ get_sysvec(unsigned long type, unsigned long variation, unsigned long cpu)
&eb164_mv, &pc164_mv, &lx164_mv, &sx164_mv, &rx164_mv
};
- static struct alpha_machine_vector *eb64p_vecs[] __initdata =
- {
- &eb64p_mv,
- &cabriolet_mv,
- &cabriolet_mv /* AlphaPCI64 */
- };
-
- static struct alpha_machine_vector *eb66_vecs[] __initdata =
- {
- &eb66_mv,
- &eb66p_mv
- };
-
static struct alpha_machine_vector *marvel_vecs[] __initdata =
{
&marvel_ev7_mv,
@@ -887,14 +839,6 @@ get_sysvec(unsigned long type, unsigned long variation, unsigned long cpu)
if (vec == &eb164_mv && cpu == EV56_CPU)
vec = &pc164_mv;
break;
- case ST_DEC_EB64P:
- if (member < ARRAY_SIZE(eb64p_indices))
- vec = eb64p_vecs[eb64p_indices[member]];
- break;
- case ST_DEC_EB66:
- if (member < ARRAY_SIZE(eb66_indices))
- vec = eb66_vecs[eb66_indices[member]];
- break;
case ST_DEC_MARVEL:
if (member < ARRAY_SIZE(marvel_indices))
vec = marvel_vecs[marvel_indices[member]];
@@ -909,22 +853,13 @@ get_sysvec(unsigned long type, unsigned long variation, unsigned long cpu)
vec = tsunami_vecs[tsunami_indices[member]];
break;
case ST_DEC_1000:
- if (cpu == EV5_CPU || cpu == EV56_CPU)
- vec = &mikasa_primo_mv;
- else
- vec = &mikasa_mv;
+ vec = &mikasa_primo_mv;
break;
case ST_DEC_NORITAKE:
- if (cpu == EV5_CPU || cpu == EV56_CPU)
- vec = &noritake_primo_mv;
- else
- vec = &noritake_mv;
+ vec = &noritake_primo_mv;
break;
case ST_DEC_2100_A500:
- if (cpu == EV5_CPU || cpu == EV56_CPU)
- vec = &sable_gamma_mv;
- else
- vec = &sable_mv;
+ vec = &sable_gamma_mv;
break;
}
}
@@ -937,41 +872,27 @@ get_sysvec_byname(const char *name)
static struct alpha_machine_vector *all_vecs[] __initdata =
{
&alcor_mv,
- &alphabook1_mv,
- &avanti_mv,
- &cabriolet_mv,
&clipper_mv,
&dp264_mv,
&eb164_mv,
- &eb64p_mv,
- &eb66_mv,
- &eb66p_mv,
&eiger_mv,
- &jensen_mv,
&lx164_mv,
- &lynx_mv,
&miata_mv,
- &mikasa_mv,
&mikasa_primo_mv,
&monet_mv,
&nautilus_mv,
- &noname_mv,
- &noritake_mv,
&noritake_primo_mv,
- &p2k_mv,
&pc164_mv,
&privateer_mv,
&rawhide_mv,
&ruffian_mv,
&rx164_mv,
- &sable_mv,
&sable_gamma_mv,
&shark_mv,
&sx164_mv,
&takara_mv,
&webbrick_mv,
&wildfire_mv,
- &xl_mv,
&xlt_mv
};
@@ -1033,14 +954,6 @@ get_sysnames(unsigned long type, unsigned long variation, unsigned long cpu,
if (member < ARRAY_SIZE(alcor_indices))
*variation_name = alcor_names[alcor_indices[member]];
break;
- case ST_DEC_EB64P:
- if (member < ARRAY_SIZE(eb64p_indices))
- *variation_name = eb64p_names[eb64p_indices[member]];
- break;
- case ST_DEC_EB66:
- if (member < ARRAY_SIZE(eb66_indices))
- *variation_name = eb66_names[eb66_indices[member]];
- break;
case ST_DEC_MARVEL:
if (member < ARRAY_SIZE(marvel_indices))
*variation_name = marvel_names[marvel_indices[member]];
@@ -1414,6 +1327,7 @@ c_start(struct seq_file *f, loff_t *pos)
static void *
c_next(struct seq_file *f, void *v, loff_t *pos)
{
+ (*pos)++;
return NULL;
}
generated by cgit (git 2.34.1) at 2025-12-25 00:27:41 +0000