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--- linux-mips-cvs/arch/mips/kernel/cpu-probe.c 2005-01-31 12:59:30.000000000 +0100
+++ linux-broadcom/arch/mips/kernel/cpu-probe.c 2005-01-31 13:13:14.000000000 +0100
@@ -175,7 +175,7 @@
static inline void cpu_probe_legacy(struct cpuinfo_mips *c)
{
- switch (c->processor_id & 0xff00) {
+ switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_R2000:
c->cputype = CPU_R2000;
c->isa_level = MIPS_CPU_ISA_I;
@@ -185,7 +185,7 @@
c->tlbsize = 64;
break;
case PRID_IMP_R3000:
- if ((c->processor_id & 0xff) == PRID_REV_R3000A)
+ if ((c->processor_id & PRID_REV_MASK) == PRID_REV_R3000A)
if (cpu_has_confreg())
c->cputype = CPU_R3081E;
else
@@ -200,12 +200,12 @@
break;
case PRID_IMP_R4000:
if (read_c0_config() & CONF_SC) {
- if ((c->processor_id & 0xff) >= PRID_REV_R4400)
+ if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_R4400)
c->cputype = CPU_R4400PC;
else
c->cputype = CPU_R4000PC;
} else {
- if ((c->processor_id & 0xff) >= PRID_REV_R4400)
+ if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_R4400)
c->cputype = CPU_R4400SC;
else
c->cputype = CPU_R4000SC;
@@ -451,7 +451,7 @@
static inline void cpu_probe_mips(struct cpuinfo_mips *c)
{
decode_config1(c);
- switch (c->processor_id & 0xff00) {
+ switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_4KC:
c->cputype = CPU_4KC;
c->isa_level = MIPS_CPU_ISA_M32;
@@ -492,10 +492,10 @@
{
decode_config1(c);
c->options |= MIPS_CPU_PREFETCH;
- switch (c->processor_id & 0xff00) {
+ switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_AU1_REV1:
case PRID_IMP_AU1_REV2:
- switch ((c->processor_id >> 24) & 0xff) {
+ switch ((c->processor_id >> 24) & PRID_REV_MASK) {
case 0:
c->cputype = CPU_AU1000;
break;
@@ -523,10 +523,34 @@
}
}
+static inline void cpu_probe_broadcom(struct cpuinfo_mips *c)
+{
+ decode_config1(c);
+ c->options |= MIPS_CPU_PREFETCH;
+ switch (c->processor_id & PRID_IMP_MASK) {
+ case PRID_IMP_BCM4710:
+ c->cputype = CPU_BCM4710;
+ c->options = MIPS_CPU_TLB | MIPS_CPU_4KEX |
+ MIPS_CPU_4KTLB | MIPS_CPU_COUNTER;
+ c->scache.flags = MIPS_CACHE_NOT_PRESENT;
+ break;
+ case PRID_IMP_4KC:
+ case PRID_IMP_BCM3302:
+ c->cputype = CPU_BCM3302;
+ c->options = MIPS_CPU_TLB | MIPS_CPU_4KEX |
+ MIPS_CPU_4KTLB | MIPS_CPU_COUNTER;
+ c->scache.flags = MIPS_CACHE_NOT_PRESENT;
+ break;
+ default:
+ c->cputype = CPU_UNKNOWN;
+ break;
+ }
+}
+
static inline void cpu_probe_sibyte(struct cpuinfo_mips *c)
{
decode_config1(c);
- switch (c->processor_id & 0xff00) {
+ switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_SB1:
c->cputype = CPU_SB1;
c->isa_level = MIPS_CPU_ISA_M64;
@@ -548,7 +572,7 @@
static inline void cpu_probe_sandcraft(struct cpuinfo_mips *c)
{
decode_config1(c);
- switch (c->processor_id & 0xff00) {
+ switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_SR71000:
c->cputype = CPU_SR71000;
c->isa_level = MIPS_CPU_ISA_M64;
@@ -573,7 +597,7 @@
c->cputype = CPU_UNKNOWN;
c->processor_id = read_c0_prid();
- switch (c->processor_id & 0xff0000) {
+ switch (c->processor_id & PRID_COMP_MASK) {
case PRID_COMP_LEGACY:
cpu_probe_legacy(c);
@@ -584,6 +608,9 @@
case PRID_COMP_ALCHEMY:
cpu_probe_alchemy(c);
break;
+ case PRID_COMP_BROADCOM:
+ cpu_probe_broadcom(c);
+ break;
case PRID_COMP_SIBYTE:
cpu_probe_sibyte(c);
break;
|
