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ppc/85xx,86xx: Handling Unknown SOC version

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Incase the system is detected with Unknown SVR, let the system boot
with a default value and a proper message.

Now with dynamic detection of SOC properties from SVR, this is necessary
to prevent a crash.

Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Poonam Aggrwal 2009-09-02 13:35:21 +05:30 committed by Kumar Gala
parent 3e7b6c1f2d
commit 58442dc01e
4 changed files with 9 additions and 13 deletions
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10
cpu/mpc85xx/cpu.c
View File

@ -69,13 +69,9 @@ int checkcpu (void)
cpu = gd->cpu;
if (cpu->name) {
puts(cpu->name);
if (IS_E_PROCESSOR(svr))
puts("E");
} else {
puts("Unknown");
}
puts(cpu->name);
if (IS_E_PROCESSOR(svr))
puts("E");
printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);

5
cpu/mpc86xx/cpu.c
View File

@ -65,10 +65,7 @@ checkcpu(void)
cpu = gd->cpu;
if (cpu->name)
puts(cpu->name);
else
puts("Unknown");
puts(cpu->name);
printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
puts("Core: ");

5
cpu/mpc8xxx/cpu.c
View File

@ -79,6 +79,8 @@ struct cpu_type cpu_type_list [] = {
#endif
};
struct cpu_type cpu_type_unknown = CPU_TYPE_ENTRY(Unknown, Unknown, 1);
struct cpu_type *identify_cpu(u32 ver)
{
int i;
@ -86,8 +88,7 @@ struct cpu_type *identify_cpu(u32 ver)
if (cpu_type_list[i].soc_ver == ver)
return &cpu_type_list[i];
}
return NULL;
return &cpu_type_unknown;
}
int cpu_numcores() {

2
include/asm-ppc/processor.h
View File

@ -1034,6 +1034,8 @@
#define SVR_8641 0x809000
#define SVR_8641D 0x809001
#define SVR_Unknown 0xFFFFFF
#define _GLOBAL(n)\
.globl n;\
n: