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authorYonghong Song <ysong@broadcom.com>2014-04-29 20:07:53 +0530
committerRalf Baechle <ralf@linux-mips.org>2014-05-30 16:50:38 +0200
commit1c98398662c9b4e2f03f64344f83dd6cb14e0420 (patch)
treeb04a7f5b706430ac41cec627a6844944f7b58f57 /arch/mips/netlogic
parentedf3ed5e69bcf3f60087099eccab34be0ebcf60a (diff)
downloadop-kernel-dev-1c98398662c9b4e2f03f64344f83dd6cb14e0420.zip
op-kernel-dev-1c98398662c9b4e2f03f64344f83dd6cb14e0420.tar.gz
MIPS: Netlogic: Add support for XLP5XX
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@broadcom.com> Signed-off-by: Jayachandran C <jchandra@broadcom.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6871/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/netlogic')
-rw-r--r--arch/mips/netlogic/common/reset.S4
-rw-r--r--arch/mips/netlogic/xlp/dt.c1
-rw-r--r--arch/mips/netlogic/xlp/setup.c1
-rw-r--r--arch/mips/netlogic/xlp/wakeup.c10
4 files changed, 15 insertions, 1 deletions
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 1ddb62b..4fdd9fd 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);
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