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MIPS: Netlogic: Add support for XLP5XX

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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>
This commit is contained in:
Yonghong Song 2014-04-29 20:07:53 +05:30 committed by Ralf Baechle
parent edf3ed5e69
commit 1c98398662
8 changed files with 23 additions and 4 deletions
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1
arch/mips/include/asm/cpu.h
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@ -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.

3
arch/mips/include/asm/netlogic/mips-extns.h
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@ -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;

6
arch/mips/include/asm/netlogic/xlp-hal/xlp.h
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@ -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 */

1
arch/mips/kernel/cpu-probe.c
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@ -1059,6 +1059,7 @@ 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;

4
arch/mips/netlogic/common/reset.S
View File

@ -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

1
arch/mips/netlogic/xlp/dt.c
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@ -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

1
arch/mips/netlogic/xlp/setup.c
View File

@ -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:

10
arch/mips/netlogic/xlp/wakeup.c
View File

@ -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);