static void xlp_enable_secondary_cores(const cpumask_t *wakeup_mask)
{
struct nlm_soc_info *nodep;
uint64_t syspcibase;
uint32_t syscoremask;
int core, n, cpu;
for (n = 0; n < NLM_NR_NODES; n++) {
syspcibase = nlm_get_sys_pcibase(n);
if (nlm_read_reg(syspcibase, 0) == 0xffffffff)
break;
/* read cores in reset from SYS */
if (n != 0)
nlm_node_init(n);
nodep = nlm_get_node(n);
syscoremask = nlm_read_sys_reg(nodep->sysbase, SYS_CPU_RESET);
/* The boot cpu */
if (n == 0) {
syscoremask |= 1;
nodep->coremask = 1;
}
for (core = 0; core < NLM_CORES_PER_NODE; core++) {
/* we will be on node 0 core 0 */
if (n == 0 && core == 0)
continue;
/* see if the core exists */
if ((syscoremask & (1 << core)) == 0)
continue;
/* see if at least the first hw thread is enabled */
cpu = (n * NLM_CORES_PER_NODE + core)
* NLM_THREADS_PER_CORE;
if (!cpumask_test_cpu(cpu, wakeup_mask))
continue;
/* wake up the core */
if (!xlp_wakeup_core(nodep->sysbase, n, core))
continue;
/* core is up */
nodep->coremask |= 1u << core;
/* spin until the hw threads sets their ready */
wait_for_cpus(cpu, 0);
}
}
}
static void xlp_enable_secondary_cores(const cpumask_t *wakeup_mask)
{
struct nlm_soc_info *nodep;
uint64_t syspcibase;
uint32_t syscoremask;
int core, n, cpu;
for (n = 0; n < NLM_NR_NODES; n++) {
syspcibase = nlm_get_sys_pcibase(n);
if (nlm_read_reg(syspcibase, 0) == 0xffffffff)
break;
/* read cores in reset from SYS and account for boot cpu */
nlm_node_init(n);
nodep = nlm_get_node(n);
syscoremask = nlm_read_sys_reg(nodep->sysbase, SYS_CPU_RESET);
if (n == 0)
syscoremask |= 1;
for (core = 0; core < NLM_CORES_PER_NODE; core++) {
/* see if the core exists */
if ((syscoremask & (1 << core)) == 0)
continue;
/* see if at least the first thread is enabled */
cpu = (n * NLM_CORES_PER_NODE + core)
* NLM_THREADS_PER_CORE;
if (!cpumask_test_cpu(cpu, wakeup_mask))
continue;
/* wake up the core */
if (xlp_wakeup_core(nodep->sysbase, core))
nodep->coremask |= 1u << core;
else
pr_err("Failed to enable core %d\n", core);
}
}
}
static void xlp_enable_secondary_cores(const cpumask_t *wakeup_mask)
{
struct nlm_soc_info *nodep;
uint64_t syspcibase, fusebase;
uint32_t syscoremask, mask, fusemask;
int core, n, cpu;
for (n = 0; n < NLM_NR_NODES; n++) {
if (n != 0) {
/* check if node exists and is online */
if (cpu_is_xlp9xx()) {
int b = xlp9xx_get_socbus(n);
pr_info("Node %d SoC PCI bus %d.\n", n, b);
if (b == 0)
break;
} else {
syspcibase = nlm_get_sys_pcibase(n);
if (nlm_read_reg(syspcibase, 0) == 0xffffffff)
break;
}
nlm_node_init(n);
}
/* read cores in reset from SYS */
nodep = nlm_get_node(n);
if (cpu_is_xlp9xx()) {
fusebase = nlm_get_fuse_regbase(n);
fusemask = nlm_read_reg(fusebase, FUSE_9XX_DEVCFG6);
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);
switch (read_c0_prid() & PRID_IMP_MASK) {
case PRID_IMP_NETLOGIC_XLP3XX:
mask = 0xf;
break;
case PRID_IMP_NETLOGIC_XLP2XX:
mask = 0x3;
break;
case PRID_IMP_NETLOGIC_XLP8XX:
default:
mask = 0xff;
break;
}
}
/*
* Fused out cores are set in the fusemask, and the remaining
* cores are renumbered to range 0 .. nactive-1
*/
syscoremask = (1 << hweight32(~fusemask & mask)) - 1;
pr_info("Node %d - SYS/FUSE coremask %x\n", n, syscoremask);
for (core = 0; core < nlm_cores_per_node(); core++) {
/* we will be on node 0 core 0 */
if (n == 0 && core == 0)
continue;
/* see if the core exists */
if ((syscoremask & (1 << core)) == 0)
continue;
/* see if at least the first hw thread is enabled */
cpu = (n * nlm_cores_per_node() + core)
* NLM_THREADS_PER_CORE;
if (!cpumask_test_cpu(cpu, wakeup_mask))
continue;
/* wake up the core */
if (!xlp_wakeup_core(nodep->sysbase, n, core))
continue;
/* core is up */
nodep->coremask |= 1u << core;
/* spin until the hw threads sets their ready */
if (!wait_for_cpus(cpu, 0))
pr_err("Node %d : timeout core %d\n", n, core);
}
}
}
