Differential D17933 Diff 55917 sys/powerpc/powernv/platform_powernv.c

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sys/powerpc/powernv/platform_powernv.c

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#endif		#endif

void (*powernv_smp_ap_extra_init)(void);		void (*powernv_smp_ap_extra_init)(void);

static int powernv_probe(platform_t);		static int powernv_probe(platform_t);
static int powernv_attach(platform_t);		static int powernv_attach(platform_t);
void powernv_mem_regions(platform_t, struct mem_region phys, int physsz,		void powernv_mem_regions(platform_t, struct mem_region phys, int physsz,
struct mem_region avail, int availsz);		struct mem_region avail, int availsz);
		static void powernv_numa_mem_regions(platform_t plat, struct numa_mem_region phys, int physsz);
static u_long powernv_timebase_freq(platform_t, struct cpuref *cpuref);		static u_long powernv_timebase_freq(platform_t, struct cpuref *cpuref);
static int powernv_smp_first_cpu(platform_t, struct cpuref *cpuref);		static int powernv_smp_first_cpu(platform_t, struct cpuref *cpuref);
static int powernv_smp_next_cpu(platform_t, struct cpuref *cpuref);		static int powernv_smp_next_cpu(platform_t, struct cpuref *cpuref);
static int powernv_smp_get_bsp(platform_t, struct cpuref *cpuref);		static int powernv_smp_get_bsp(platform_t, struct cpuref *cpuref);
static void powernv_smp_ap_init(platform_t);		static void powernv_smp_ap_init(platform_t);
#ifdef SMP		#ifdef SMP
static int powernv_smp_start_cpu(platform_t, struct pcpu *cpu);		static int powernv_smp_start_cpu(platform_t, struct pcpu *cpu);
static void powernv_smp_probe_threads(platform_t);		static void powernv_smp_probe_threads(platform_t);
static struct cpu_group *powernv_smp_topo(platform_t plat);		static struct cpu_group *powernv_smp_topo(platform_t plat);
#endif		#endif
static void powernv_reset(platform_t);		static void powernv_reset(platform_t);
static void powernv_cpu_idle(sbintime_t sbt);		static void powernv_cpu_idle(sbintime_t sbt);
static int powernv_cpuref_init(void);		static int powernv_cpuref_init(void);

static platform_method_t powernv_methods[] = {		static platform_method_t powernv_methods[] = {
PLATFORMMETHOD(platform_probe, powernv_probe),		PLATFORMMETHOD(platform_probe, powernv_probe),
PLATFORMMETHOD(platform_attach, powernv_attach),		PLATFORMMETHOD(platform_attach, powernv_attach),
PLATFORMMETHOD(platform_mem_regions, powernv_mem_regions),		PLATFORMMETHOD(platform_mem_regions, powernv_mem_regions),
		PLATFORMMETHOD(platform_numa_mem_regions, powernv_numa_mem_regions),
PLATFORMMETHOD(platform_timebase_freq, powernv_timebase_freq),		PLATFORMMETHOD(platform_timebase_freq, powernv_timebase_freq),

PLATFORMMETHOD(platform_smp_ap_init, powernv_smp_ap_init),		PLATFORMMETHOD(platform_smp_ap_init, powernv_smp_ap_init),
PLATFORMMETHOD(platform_smp_first_cpu, powernv_smp_first_cpu),		PLATFORMMETHOD(platform_smp_first_cpu, powernv_smp_first_cpu),
PLATFORMMETHOD(platform_smp_next_cpu, powernv_smp_next_cpu),		PLATFORMMETHOD(platform_smp_next_cpu, powernv_smp_next_cpu),
PLATFORMMETHOD(platform_smp_get_bsp, powernv_smp_get_bsp),		PLATFORMMETHOD(platform_smp_get_bsp, powernv_smp_get_bsp),
#ifdef SMP		#ifdef SMP
PLATFORMMETHOD(platform_smp_start_cpu, powernv_smp_start_cpu),		PLATFORMMETHOD(platform_smp_start_cpu, powernv_smp_start_cpu),
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void		void
powernv_mem_regions(platform_t plat, struct mem_region phys, int physsz,		powernv_mem_regions(platform_t plat, struct mem_region phys, int physsz,
struct mem_region avail, int availsz)		struct mem_region avail, int availsz)
{		{

ofw_mem_regions(phys, physsz, avail, availsz);		ofw_mem_regions(phys, physsz, avail, availsz);
}		}

		static void
		powernv_numa_mem_regions(platform_t plat, struct numa_mem_region phys, int physsz)
		{

		ofw_numa_mem_regions(phys, physsz);
		}

static u_long		static u_long
powernv_timebase_freq(platform_t plat, struct cpuref *cpuref)		powernv_timebase_freq(platform_t plat, struct cpuref *cpuref)
{		{
char buf[8];		char buf[8];
phandle_t cpu, dev, root;		phandle_t cpu, dev, root;
int res;		int res;
int32_t ticks = -1;		int32_t ticks = -1;

▲ Show 20 Lines • Show All 47 Lines • ▼ Show 20 Lines	powernv_cpuref_init(void)

bsp = 0;		bsp = 0;
tmp_cpuref_cnt = 0;		tmp_cpuref_cnt = 0;
for (cpu = OF_child(dev); cpu != 0; cpu = OF_peer(cpu)) {		for (cpu = OF_child(dev); cpu != 0; cpu = OF_peer(cpu)) {
res = OF_getprop(cpu, "device_type", buf, sizeof(buf));		res = OF_getprop(cpu, "device_type", buf, sizeof(buf));
if (res > 0 && strcmp(buf, "cpu") == 0) {		if (res > 0 && strcmp(buf, "cpu") == 0) {
res = OF_getproplen(cpu, "ibm,ppc-interrupt-server#s");		res = OF_getproplen(cpu, "ibm,ppc-interrupt-server#s");
if (res > 0) {		if (res > 0) {


OF_getencprop(cpu, "ibm,ppc-interrupt-server#s",		OF_getencprop(cpu, "ibm,ppc-interrupt-server#s",
interrupt_servers, res);		interrupt_servers, res);

for (a = 0; a < res/sizeof(cell_t); a++) {		for (a = 0; a < res/sizeof(cell_t); a++) {
tmp_cpuref[tmp_cpuref_cnt].cr_hwref = interrupt_servers[a];		tmp_cpuref[tmp_cpuref_cnt].cr_hwref = interrupt_servers[a];
tmp_cpuref[tmp_cpuref_cnt].cr_cpuid = tmp_cpuref_cnt;		tmp_cpuref[tmp_cpuref_cnt].cr_cpuid = tmp_cpuref_cnt;
		tmp_cpuref[tmp_cpuref_cnt].cr_domain = interrupt_servers[a] >> 11;
if (interrupt_servers[a] == (uint32_t)powernv_boot_pir)		if (interrupt_servers[a] == (uint32_t)powernv_boot_pir)
bsp = tmp_cpuref_cnt;		bsp = tmp_cpuref_cnt;

tmp_cpuref_cnt++;		tmp_cpuref_cnt++;
}		}
}		}
}		}
}		}

/* Map IDs, so BSP has CPUID 0 regardless of hwref */		/* Map IDs, so BSP has CPUID 0 regardless of hwref */
for (a = bsp; a < tmp_cpuref_cnt; a++) {		for (a = bsp; a < tmp_cpuref_cnt; a++) {
platform_cpuref[platform_cpuref_cnt].cr_hwref = tmp_cpuref[a].cr_hwref;		platform_cpuref[platform_cpuref_cnt].cr_hwref = tmp_cpuref[a].cr_hwref;
platform_cpuref[platform_cpuref_cnt].cr_cpuid = platform_cpuref_cnt;		platform_cpuref[platform_cpuref_cnt].cr_cpuid = platform_cpuref_cnt;
		platform_cpuref[platform_cpuref_cnt].cr_domain = tmp_cpuref[a].cr_domain;
platform_cpuref_cnt++;		platform_cpuref_cnt++;
}		}
for (a = 0; a < bsp; a++) {		for (a = 0; a < bsp; a++) {
platform_cpuref[platform_cpuref_cnt].cr_hwref = tmp_cpuref[a].cr_hwref;		platform_cpuref[platform_cpuref_cnt].cr_hwref = tmp_cpuref[a].cr_hwref;
platform_cpuref[platform_cpuref_cnt].cr_cpuid = platform_cpuref_cnt;		platform_cpuref[platform_cpuref_cnt].cr_cpuid = platform_cpuref_cnt;
		platform_cpuref[platform_cpuref_cnt].cr_domain = tmp_cpuref[a].cr_domain;
platform_cpuref_cnt++;		platform_cpuref_cnt++;
}		}

platform_cpuref_valid = 1;		platform_cpuref_valid = 1;

return (0);		return (0);
}		}

static int		static int
powernv_smp_first_cpu(platform_t plat, struct cpuref *cpuref)		powernv_smp_first_cpu(platform_t plat, struct cpuref *cpuref)
{		{
if (platform_cpuref_valid == 0)		if (platform_cpuref_valid == 0)
return (EINVAL);		return (EINVAL);

cpuref->cr_cpuid = 0;		cpuref->cr_cpuid = 0;
cpuref->cr_hwref = platform_cpuref[0].cr_hwref;		cpuref->cr_hwref = platform_cpuref[0].cr_hwref;
		cpuref->cr_domain = platform_cpuref[0].cr_domain;

return (0);		return (0);
}		}

static int		static int
powernv_smp_next_cpu(platform_t plat, struct cpuref *cpuref)		powernv_smp_next_cpu(platform_t plat, struct cpuref *cpuref)
{		{
int id;		int id;

if (platform_cpuref_valid == 0)		if (platform_cpuref_valid == 0)
return (EINVAL);		return (EINVAL);

id = cpuref->cr_cpuid + 1;		id = cpuref->cr_cpuid + 1;
if (id >= platform_cpuref_cnt)		if (id >= platform_cpuref_cnt)
return (ENOENT);		return (ENOENT);

cpuref->cr_cpuid = platform_cpuref[id].cr_cpuid;		cpuref->cr_cpuid = platform_cpuref[id].cr_cpuid;
cpuref->cr_hwref = platform_cpuref[id].cr_hwref;		cpuref->cr_hwref = platform_cpuref[id].cr_hwref;
		cpuref->cr_domain = platform_cpuref[id].cr_domain;

return (0);		return (0);
}		}

static int		static int
powernv_smp_get_bsp(platform_t plat, struct cpuref *cpuref)		powernv_smp_get_bsp(platform_t plat, struct cpuref *cpuref)
{		{

cpuref->cr_cpuid = platform_cpuref[0].cr_cpuid;		cpuref->cr_cpuid = platform_cpuref[0].cr_cpuid;
cpuref->cr_hwref = platform_cpuref[0].cr_hwref;		cpuref->cr_hwref = platform_cpuref[0].cr_hwref;
		cpuref->cr_domain = platform_cpuref[0].cr_domain;
return (0);		return (0);
}		}

#ifdef SMP		#ifdef SMP
static int		static int
powernv_smp_start_cpu(platform_t plat, struct pcpu *pc)		powernv_smp_start_cpu(platform_t plat, struct pcpu *pc)
{		{
int result;		int result;
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