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[SPARC64]: Fix system type in /proc/cpuinfo and remove bogus OBP check.

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Report 'sun4v' when appropriate in /proc/cpuinfo

Remove all the verifications of the OBP version string.  Just
make sure it's there, and report it raw in the bootup logs and
via /proc/cpuinfo.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-03-08 17:18:19 -08:00
parent 8935dced54
commit 90a6646bf6
4 changed files with 12 additions and 90 deletions
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13
arch/sparc64/kernel/setup.c
View file

@ -442,9 +442,8 @@ static int show_cpuinfo(struct seq_file *m, void *__unused)
seq_printf(m,
"cpu\t\t: %s\n"
"fpu\t\t: %s\n"
"promlib\t\t: Version 3 Revision %d\n"
"prom\t\t: %d.%d.%d\n"
"type\t\t: sun4u\n"
"prom\t\t: %s\n"
"type\t\t: %s\n"
"ncpus probed\t: %d\n"
"ncpus active\t: %d\n"
"D$ parity tl1\t: %u\n"
@ -456,10 +455,10 @@ static int show_cpuinfo(struct seq_file *m, void *__unused)
,
sparc_cpu_type,
sparc_fpu_type,
prom_rev,
prom_prev >> 16,
(prom_prev >> 8) & 0xff,
prom_prev & 0xff,
prom_version,
((tlb_type == hypervisor) ?
"sun4v" :
"sun4u"),
ncpus_probed,
num_online_cpus(),
dcache_parity_tl1_occurred,

48
arch/sparc64/prom/init.c
View file

@ -14,8 +14,8 @@
#include <asm/openprom.h>
#include <asm/oplib.h>
enum prom_major_version prom_vers;
unsigned int prom_rev, prom_prev;
/* OBP version string. */
char prom_version[80];
/* The root node of the prom device tree. */
int prom_stdin, prom_stdout;
@ -30,13 +30,7 @@ extern void prom_cif_init(void *, void *);
void __init prom_init(void *cif_handler, void *cif_stack)
{
char buffer[80], *p;
int ints[3];
int node;
int i = 0;
int bufadjust;
prom_vers = PROM_P1275;
prom_cif_init(cif_handler, cif_stack);
@ -51,44 +45,10 @@ void __init prom_init(void *cif_handler, void *cif_stack)
if (!node || node == -1)
prom_halt();
prom_getstring(node, "version", buffer, sizeof (buffer));
prom_getstring(node, "version", prom_version, sizeof(prom_version));
prom_printf("\n");
if (strncmp(buffer, "OBP ", 4))
goto strange_version;
/*
* Version field is expected to be 'OBP xx.yy.zz date...'
* However, Sun can't stick to this format very well, so
* we need to check for 'OBP xx.yy.zz date...' and adjust
* accordingly. -spot
*/
if (strncmp(buffer, "OBP ", 5))
bufadjust = 4;
else
bufadjust = 5;
p = buffer + bufadjust;
while (p && isdigit(*p) && i < 3) {
ints[i++] = simple_strtoul(p, NULL, 0);
if ((p = strchr(p, '.')) != NULL)
p++;
}
if (i != 3)
goto strange_version;
prom_rev = ints[1];
prom_prev = (ints[0] << 16) | (ints[1] << 8) | ints[2];
printk("PROMLIB: Sun IEEE Boot Prom %s\n", buffer + bufadjust);
printk("PROMLIB: Sun IEEE Boot Prom '%s'\n", prom_version);
printk("PROMLIB: Root node compatible: %s\n", prom_root_compatible);
/* Initialization successful. */
return;
strange_version:
prom_printf ("Strange OBP version `%s'.\n", buffer);
prom_halt ();
}

18
arch/sparc64/prom/misc.c
View file

@ -112,24 +112,6 @@ unsigned char prom_get_idprom(char *idbuf, int num_bytes)
return 0xff;
}
/* Get the major prom version number. */
int prom_version(void)
{
return PROM_P1275;
}
/* Get the prom plugin-revision. */
int prom_getrev(void)
{
return prom_rev;
}
/* Get the prom firmware print revision. */
int prom_getprev(void)
{
return prom_prev;
}
/* Install Linux trap table so PROM uses that instead of its own. */
void prom_set_trap_table(unsigned long tba)
{

23
include/asm-sparc64/oplib.h
View file

@ -12,18 +12,8 @@
#include <linux/config.h>
#include <asm/openprom.h>
/* Enumeration to describe the prom major version we have detected. */
enum prom_major_version {
PROM_V0, /* Original sun4c V0 prom */
PROM_V2, /* sun4c and early sun4m V2 prom */
PROM_V3, /* sun4m and later, up to sun4d/sun4e machines V3 */
PROM_P1275, /* IEEE compliant ISA based Sun PROM, only sun4u */
PROM_AP1000, /* actually no prom at all */
};
extern enum prom_major_version prom_vers;
/* Revision, and firmware revision. */
extern unsigned int prom_rev, prom_prev;
/* OBP version string. */
extern char prom_version[];
/* Root node of the prom device tree, this stays constant after
* initialization is complete.
@ -133,15 +123,6 @@ extern void prom_setcallback(callback_func_t func_ptr);
*/
extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
/* Get the prom major version. */
extern int prom_version(void);
/* Get the prom plugin revision. */
extern int prom_getrev(void);
/* Get the prom firmware revision. */
extern int prom_getprev(void);
/* Character operations to/from the console.... */
/* Non-blocking get character from console. */