From: Yonghong Song <ysong@xxxxxxxxxxxx>
Add support for the XLP5XX processor which is an 8 core variant of the
XLP9XX. Add XLP5XX cases to code which earlier handled XLP9XX.
Signed-off-by: Yonghong Song <ysong@xxxxxxxxxxxx>
Signed-off-by: Jayachandran C <jchandra@xxxxxxxxxxxx>
---
arch/mips/include/asm/cpu.h | 1 +
arch/mips/include/asm/netlogic/mips-extns.h | 3 ++-
arch/mips/include/asm/netlogic/xlp-hal/xlp.h | 6 ++++--
arch/mips/kernel/cpu-probe.c | 1 +
arch/mips/netlogic/common/reset.S | 4 ++++
arch/mips/netlogic/xlp/dt.c | 1 +
arch/mips/netlogic/xlp/setup.c | 1 +
arch/mips/netlogic/xlp/wakeup.c | 10 +++++++++-
8 files changed, 23 insertions(+), 4 deletions(-)
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 530eb8b..fd18e86 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -201,6 +201,7 @@
#define PRID_IMP_NETLOGIC_XLP3XX 0x1100
#define PRID_IMP_NETLOGIC_XLP2XX 0x1200
#define PRID_IMP_NETLOGIC_XLP9XX 0x1500
+#define PRID_IMP_NETLOGIC_XLP5XX 0x1300
/*
* Particular Revision values for bits 7:0 of the PRId register.
diff --git a/arch/mips/include/asm/netlogic/mips-extns.h b/arch/mips/include/asm/netlogic/mips-extns.h
index 38af905..06f1f75 100644
--- a/arch/mips/include/asm/netlogic/mips-extns.h
+++ b/arch/mips/include/asm/netlogic/mips-extns.h
@@ -148,7 +148,8 @@ static inline int nlm_nodeid(void)
{
uint32_t prid = read_c0_prid() & PRID_IMP_MASK;
- if (prid == PRID_IMP_NETLOGIC_XLP9XX)
+ if ((prid == PRID_IMP_NETLOGIC_XLP9XX) ||
+ (prid == PRID_IMP_NETLOGIC_XLP5XX))
return (__read_32bit_c0_register($15, 1) >> 7) & 0x7;
else
return (__read_32bit_c0_register($15, 1) >> 5) & 0x3;
diff --git a/arch/mips/include/asm/netlogic/xlp-hal/xlp.h b/arch/mips/include/asm/netlogic/xlp-hal/xlp.h
index f75014c..8f8afe0 100644
--- a/arch/mips/include/asm/netlogic/xlp-hal/xlp.h
+++ b/arch/mips/include/asm/netlogic/xlp-hal/xlp.h
@@ -102,14 +102,16 @@ static inline int cpu_is_xlpii(void)
int chip = read_c0_prid() & PRID_IMP_MASK;
return chip == PRID_IMP_NETLOGIC_XLP2XX ||
- chip == PRID_IMP_NETLOGIC_XLP9XX;
+ chip == PRID_IMP_NETLOGIC_XLP9XX ||
+ chip == PRID_IMP_NETLOGIC_XLP5XX;
}
static inline int cpu_is_xlp9xx(void)
{
int chip = read_c0_prid() & PRID_IMP_MASK;
- return chip == PRID_IMP_NETLOGIC_XLP9XX;
+ return chip == PRID_IMP_NETLOGIC_XLP9XX ||
+ chip == PRID_IMP_NETLOGIC_XLP5XX;
}
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_NLM_XLP_H */
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 6e8fb85..5114beb 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -1074,6 +1074,7 @@ static inline void cpu_probe_netlogic(struct cpuinfo_mips *c, int cpu)
switch (c->processor_id & PRID_IMP_MASK) {
case PRID_IMP_NETLOGIC_XLP2XX:
case PRID_IMP_NETLOGIC_XLP9XX:
+ case PRID_IMP_NETLOGIC_XLP5XX:
c->cputype = CPU_XLP;
__cpu_name[cpu] = "Broadcom XLPII";
break;
diff --git a/arch/mips/netlogic/common/reset.S b/arch/mips/netlogic/common/reset.S
index 5b60b46..701c4bc 100644
--- a/arch/mips/netlogic/common/reset.S
+++ b/arch/mips/netlogic/common/reset.S
@@ -177,6 +177,10 @@ FEXPORT(nlm_reset_entry)
beq t0, t1, 2f /* does not need to set coherent */
nop
+ li t1, 0x1300 /* XLP 5xx */
+ beq t0, t1, 2f /* does not need to set coherent */
+ nop
+
/* set bit in SYS coherent register for the core */
mfc0 t0, CP0_EBASE, 1
mfc0 t1, CP0_EBASE, 1
diff --git a/arch/mips/netlogic/xlp/dt.c b/arch/mips/netlogic/xlp/dt.c
index 0b36ac8..bba993a 100644
--- a/arch/mips/netlogic/xlp/dt.c
+++ b/arch/mips/netlogic/xlp/dt.c
@@ -51,6 +51,7 @@ void __init *xlp_dt_init(void *fdtp)
switch (current_cpu_data.processor_id & PRID_IMP_MASK) {
#ifdef CONFIG_DT_XLP_GVP
case PRID_IMP_NETLOGIC_XLP9XX:
+ case PRID_IMP_NETLOGIC_XLP5XX:
fdtp = __dtb_xlp_gvp_begin;
break;
#endif
diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c
index 3455e9f..135a38f 100644
--- a/arch/mips/netlogic/xlp/setup.c
+++ b/arch/mips/netlogic/xlp/setup.c
@@ -123,6 +123,7 @@ const char *get_system_type(void)
{
switch (read_c0_prid() & PRID_IMP_MASK) {
case PRID_IMP_NETLOGIC_XLP9XX:
+ case PRID_IMP_NETLOGIC_XLP5XX:
case PRID_IMP_NETLOGIC_XLP2XX:
return "Broadcom XLPII Series";
default:
diff --git a/arch/mips/netlogic/xlp/wakeup.c b/arch/mips/netlogic/xlp/wakeup.c
index f4823ad..e5f44d2 100644
--- a/arch/mips/netlogic/xlp/wakeup.c
+++ b/arch/mips/netlogic/xlp/wakeup.c
@@ -135,7 +135,15 @@ static void xlp_enable_secondary_cores(const cpumask_t *wakeup_mask)
if (cpu_is_xlp9xx()) {
fusebase = nlm_get_fuse_regbase(n);
fusemask = nlm_read_reg(fusebase, FUSE_9XX_DEVCFG6);
- mask = 0xfffff;
+ switch (read_c0_prid() & PRID_IMP_MASK) {
+ case PRID_IMP_NETLOGIC_XLP5XX:
+ mask = 0xff;
+ break;
+ case PRID_IMP_NETLOGIC_XLP9XX:
+ default:
+ mask = 0xfffff;
+ break;
+ }
} else {
fusemask = nlm_read_sys_reg(nodep->sysbase,
SYS_EFUSE_DEVICE_CFG_STATUS0);
--
1.7.9.5
