void
amlogic_cpufreq_bootstrap(void)
{
u_int availfreq[AMLOGIC_CPUFREQ_MAX];
cpufreq_set_rate = &meson8b_cpu_set_rate;
cpufreq_get_rate = &meson8b_cpu_get_rate;
cpufreq_get_available = &meson8b_cpu_get_available;
if (cpufreq_get_available(availfreq, AMLOGIC_CPUFREQ_MAX) > 0) {
if (cpufreq_set_rate(availfreq[0]) == 0) {
amlogic_cpufreq_cb(NULL, NULL);
}
}
}
void
rockchip_cpufreq_init(void)
{
const struct sysctlnode *node, *cpunode, *freqnode;
u_int availfreq[ROCKCHIP_CPUFREQ_MAX];
size_t nfreq;
int error;
bus_space_subregion(bst, rockchip_core1_bsh, ROCKCHIP_CRU_OFFSET,
ROCKCHIP_CRU_SIZE, &cru_bsh);
bus_space_subregion(bst, rockchip_core1_bsh, ROCKCHIP_GRF_OFFSET,
ROCKCHIP_GRF_SIZE, &grf_bsh);
switch (rockchip_chip_id()) {
case ROCKCHIP_CHIP_ID_RK3066: /* XXX */
case ROCKCHIP_CHIP_ID_RK3188:
case ROCKCHIP_CHIP_ID_RK3188PLUS:
cpufreq_set_rate = &rk3188_cpu_set_rate;
cpufreq_get_rate = &rk3188_cpu_get_rate;
cpufreq_get_available = &rk3188_cpu_get_available;
break;
default:
return;
}
nfreq = cpufreq_get_available(availfreq, ROCKCHIP_CPUFREQ_MAX);
if (nfreq == 0)
return;
KASSERT(nfreq <= ROCKCHIP_CPUFREQ_MAX);
for (int i = 0; i < nfreq; i++) {
char buf[6];
snprintf(buf, sizeof(buf), i ? " %u" : "%u", availfreq[i]);
strcat(rockchip_cpufreq_available, buf);
}
error = sysctl_createv(&cpufreq_log, 0, NULL, &node,
CTLFLAG_PERMANENT, CTLTYPE_NODE, "machdep", NULL,
NULL, 0, NULL, 0, CTL_MACHDEP, CTL_EOL);
if (error)
goto sysctl_failed;
error = sysctl_createv(&cpufreq_log, 0, &node, &cpunode,
0, CTLTYPE_NODE, "cpu", NULL,
NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
if (error)
goto sysctl_failed;
error = sysctl_createv(&cpufreq_log, 0, &cpunode, &freqnode,
0, CTLTYPE_NODE, "frequency", NULL,
NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
if (error)
goto sysctl_failed;
error = sysctl_createv(&cpufreq_log, 0, &freqnode, &node,
CTLFLAG_READWRITE, CTLTYPE_INT, "target", NULL,
rockchip_cpufreq_freq_helper, 0, NULL, 0,
CTL_CREATE, CTL_EOL);
if (error)
goto sysctl_failed;
cpufreq_node_target = node->sysctl_num;
error = sysctl_createv(&cpufreq_log, 0, &freqnode, &node,
CTLFLAG_READWRITE, CTLTYPE_INT, "current", NULL,
rockchip_cpufreq_freq_helper, 0, NULL, 0,
CTL_CREATE, CTL_EOL);
if (error)
goto sysctl_failed;
cpufreq_node_current = node->sysctl_num;
error = sysctl_createv(&cpufreq_log, 0, &freqnode, &node,
0, CTLTYPE_STRING, "available", NULL,
NULL, 0, rockchip_cpufreq_available, 0,
CTL_CREATE, CTL_EOL);
if (error)
goto sysctl_failed;
cpufreq_node_available = node->sysctl_num;
return;
sysctl_failed:
aprint_error("cpufreq: couldn't create sysctl nodes (%d)\n", error);
sysctl_teardown(&cpufreq_log);
}
void
tegra_cpufreq_init(void)
{
const struct sysctlnode *node, *cpunode, *freqnode;
u_int availfreq[TEGRA_CPUFREQ_MAX];
size_t nfreq;
int error;
if (cpufreq_func == NULL)
return;
nfreq = cpufreq_get_available(availfreq, TEGRA_CPUFREQ_MAX);
if (nfreq == 0)
return;
KASSERT(nfreq <= TEGRA_CPUFREQ_MAX);
for (int i = 0; i < nfreq; i++) {
char buf[6];
snprintf(buf, sizeof(buf), i ? " %u" : "%u", availfreq[i]);
strcat(tegra_cpufreq_available, buf);
}
error = sysctl_createv(&cpufreq_log, 0, NULL, &node,
CTLFLAG_PERMANENT, CTLTYPE_NODE, "machdep", NULL,
NULL, 0, NULL, 0, CTL_MACHDEP, CTL_EOL);
if (error)
goto sysctl_failed;
error = sysctl_createv(&cpufreq_log, 0, &node, &cpunode,
0, CTLTYPE_NODE, "cpu", NULL,
NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
if (error)
goto sysctl_failed;
error = sysctl_createv(&cpufreq_log, 0, &cpunode, &freqnode,
0, CTLTYPE_NODE, "frequency", NULL,
NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL);
if (error)
goto sysctl_failed;
error = sysctl_createv(&cpufreq_log, 0, &freqnode, &node,
CTLFLAG_READWRITE, CTLTYPE_INT, "target", NULL,
tegra_cpufreq_freq_helper, 0, NULL, 0,
CTL_CREATE, CTL_EOL);
if (error)
goto sysctl_failed;
cpufreq_node_target = node->sysctl_num;
error = sysctl_createv(&cpufreq_log, 0, &freqnode, &node,
CTLFLAG_READWRITE, CTLTYPE_INT, "current", NULL,
tegra_cpufreq_freq_helper, 0, NULL, 0,
CTL_CREATE, CTL_EOL);
if (error)
goto sysctl_failed;
cpufreq_node_current = node->sysctl_num;
error = sysctl_createv(&cpufreq_log, 0, &freqnode, &node,
0, CTLTYPE_STRING, "available", NULL,
NULL, 0, tegra_cpufreq_available, 0,
CTL_CREATE, CTL_EOL);
if (error)
goto sysctl_failed;
cpufreq_node_available = node->sysctl_num;
#ifdef CPUFREQ_BOOT
cpufreq_set_rate(CPUFREQ_BOOT);
tegra_cpufreq_post(NULL, NULL);
#endif
return;
sysctl_failed:
aprint_error("cpufreq: couldn't create sysctl nodes (%d)\n", error);
sysctl_teardown(&cpufreq_log);
}