static void __exit iommu_exit(void)
{
int i;
/* Common ctx_devs */
for (i = 0; i < ARRAY_SIZE(msm_iommu_common_ctx_devs); i++)
platform_device_unregister(msm_iommu_common_ctx_devs[i]);
/* Common devs. */
for (i = 0; i < ARRAY_SIZE(msm_iommu_common_devs); ++i)
platform_device_unregister(msm_iommu_common_devs[i]);
if (cpu_is_msm8x60() || cpu_is_msm8960()) {
for (i = 0; i < ARRAY_SIZE(msm_iommu_gfx2d_ctx_devs); i++)
platform_device_unregister(msm_iommu_gfx2d_ctx_devs[i]);
for (i = 0; i < ARRAY_SIZE(msm_iommu_jpegd_ctx_devs); i++)
platform_device_unregister(msm_iommu_jpegd_ctx_devs[i]);
for (i = 0; i < ARRAY_SIZE(msm_iommu_gfx2d_devs); i++)
platform_device_unregister(msm_iommu_gfx2d_devs[i]);
for (i = 0; i < ARRAY_SIZE(msm_iommu_jpegd_devs); i++)
platform_device_unregister(msm_iommu_jpegd_devs[i]);
}
if (soc_class_is_apq8064()) {
for (i = 0; i < ARRAY_SIZE(msm_iommu_vcap_ctx_devs); i++)
platform_device_unregister(msm_iommu_vcap_ctx_devs[i]);
}
if (soc_class_is_apq8064() || cpu_is_msm8960ab()) {
for (i = 0; i < ARRAY_SIZE(msm_iommu_adreno3xx_ctx_devs);
i++)
platform_device_unregister(
msm_iommu_adreno3xx_ctx_devs[i]);
for (i = 0; i < ARRAY_SIZE(msm_iommu_jpegd_ctx_devs);
i++)
platform_device_unregister(
msm_iommu_jpegd_ctx_devs[i]);
if (soc_class_is_apq8064()) {
for (i = 0; i < ARRAY_SIZE(msm_iommu_vcap_devs);
i++)
platform_device_unregister(
msm_iommu_vcap_devs[i]);
}
for (i = 0; i < ARRAY_SIZE(msm_iommu_adreno3xx_gfx_devs);
i++)
platform_device_unregister(
msm_iommu_adreno3xx_gfx_devs[i]);
for (i = 0; i < ARRAY_SIZE(msm_iommu_jpegd_devs); i++)
platform_device_unregister(msm_iommu_jpegd_devs[i]);
}
}
static int __init iommu_init(void)
{
int ret;
if (!msm_soc_version_supports_iommu_v1()) {
pr_err("IOMMU v1 is not supported on this SoC version.\n");
return -ENODEV;
}
/* Initialize common devs */
platform_add_devices(msm_iommu_common_devs,
ARRAY_SIZE(msm_iommu_common_devs));
/* Initialize soc-specific devs */
if (cpu_is_msm8x60() || cpu_is_msm8960()) {
platform_add_devices(msm_iommu_jpegd_devs,
ARRAY_SIZE(msm_iommu_jpegd_devs));
platform_add_devices(msm_iommu_gfx2d_devs,
ARRAY_SIZE(msm_iommu_gfx2d_devs));
}
if (soc_class_is_apq8064() || cpu_is_msm8960ab()) {
platform_add_devices(msm_iommu_jpegd_devs,
ARRAY_SIZE(msm_iommu_jpegd_devs));
platform_add_devices(msm_iommu_adreno3xx_gfx_devs,
ARRAY_SIZE(msm_iommu_adreno3xx_gfx_devs));
}
if (soc_class_is_apq8064())
platform_add_devices(msm_iommu_vcap_devs,
ARRAY_SIZE(msm_iommu_vcap_devs));
/* Initialize common ctx_devs */
ret = platform_add_devices(msm_iommu_common_ctx_devs,
ARRAY_SIZE(msm_iommu_common_ctx_devs));
/* Initialize soc-specific ctx_devs */
if (cpu_is_msm8x60() || cpu_is_msm8960()) {
platform_add_devices(msm_iommu_jpegd_ctx_devs,
ARRAY_SIZE(msm_iommu_jpegd_ctx_devs));
platform_add_devices(msm_iommu_gfx2d_ctx_devs,
ARRAY_SIZE(msm_iommu_gfx2d_ctx_devs));
}
if (soc_class_is_apq8064() || cpu_is_msm8960ab()) {
platform_add_devices(msm_iommu_jpegd_ctx_devs,
ARRAY_SIZE(msm_iommu_jpegd_ctx_devs));
platform_add_devices(msm_iommu_adreno3xx_ctx_devs,
ARRAY_SIZE(msm_iommu_adreno3xx_ctx_devs));
}
if (soc_class_is_apq8064())
platform_add_devices(msm_iommu_vcap_ctx_devs,
ARRAY_SIZE(msm_iommu_vcap_ctx_devs));
return 0;
}
int msm_spm_turn_on_cpu_rail(unsigned int cpu)
{
uint32_t val = 0;
uint32_t timeout = 0;
void *reg = NULL;
void *saw_bases[] = {
0,
MSM_SAW1_BASE,
MSM_SAW2_BASE,
MSM_SAW3_BASE
};
if (cpu == 0 || cpu >= num_possible_cpus())
return -EINVAL;
reg = saw_bases[cpu];
if (soc_class_is_msm8960() ||
soc_class_is_apq8064() || cpu_is_ipq806x()) {
val = 0xA4;
reg += 0x14;
timeout = 512;
} else {
return -ENOSYS;
}
writel_relaxed(val, reg);
mb();
udelay(timeout);
return 0;
}
/*
* This will return TRUE for targets which support apps as master.
* Thus, SW DLOAD and Mode Reset are supported on apps processor.
* This applies to 8960 and newer targets.
*/
int chk_apps_master(void)
{
if (driver->use_device_tree)
return 1;
else if (soc_class_is_msm8960() || soc_class_is_msm8930() ||
soc_class_is_apq8064() || cpu_is_msm9615())
return 1;
else
return 0;
}
static int release_secondary(unsigned int cpu)
{
BUG_ON(cpu >= get_core_count());
if (cpu_is_msm8x60())
return scorpion_release_secondary();
if (machine_is_msm8974_sim())
return krait_release_secondary_sim(0xf9088000, cpu);
if (soc_class_is_msm8960() || soc_class_is_msm8930() ||
soc_class_is_apq8064())
return krait_release_secondary(0x02088000, cpu);
if (cpu_is_msm8974())
return krait_release_secondary_p3(0xf9088000, cpu);
WARN(1, "unknown CPU case in release_secondary\n");
return -EINVAL;
}
static int __init gss_8064_init(void)
{
int ret;
if (!(soc_class_is_apq8064()))
return -ENODEV;
ret = smsm_state_cb_register(SMSM_MODEM_STATE, SMSM_RESET,
smsm_state_cb, 0);
if (ret < 0)
pr_err("%s: Unable to register SMSM callback! (%d)\n",
__func__, ret);
ret = request_irq(GSS_A5_WDOG_EXPIRED, gss_wdog_bite_irq,
IRQF_TRIGGER_RISING, "gss_a5_wdog", NULL);
if (ret < 0) {
pr_err("%s: Unable to request gss watchdog IRQ. (%d)\n",
__func__, ret);
disable_irq_nosync(GSS_A5_WDOG_EXPIRED);
goto out;
}
ret = gss_subsystem_restart_init();
if (ret < 0) {
pr_err("%s: Unable to reg with subsystem restart. (%d)\n",
__func__, ret);
goto out;
}
gss_data.gss_dev.minor = MISC_DYNAMIC_MINOR;
gss_data.gss_dev.name = "gss";
gss_data.gss_dev.fops = &gss_file_ops;
ret = misc_register(&gss_data.gss_dev);
if (ret) {
pr_err("%s: misc_registers failed for %s (%d)", __func__,
gss_data.gss_dev.name, ret);
goto out;
}
gss_data.gss_ramdump_dev = create_ramdump_device("gss");
if (!gss_data.gss_ramdump_dev) {
pr_err("%s: Unable to create gss ramdump device. (%d)\n",
__func__, -ENOMEM);
ret = -ENOMEM;
goto out;
}
gss_data.smem_ramdump_dev = create_ramdump_device("smem-gss");
if (!gss_data.smem_ramdump_dev) {
pr_err("%s: Unable to create smem ramdump device. (%d)\n",
__func__, -ENOMEM);
ret = -ENOMEM;
goto out;
}
pr_info("%s: gss fatal driver init'ed.\n", __func__);
out:
return ret;
}
static int __init modem_8960_init(void)
{
int ret;
if (soc_class_is_apq8064())
return -ENODEV;
ret = smsm_state_cb_register(SMSM_MODEM_STATE, SMSM_RESET,
smsm_state_cb, 0);
if (ret < 0)
pr_err("%s: Unable to register SMSM callback! (%d)\n",
__func__, ret);
ret = request_irq(Q6FW_WDOG_EXPIRED_IRQ, modem_wdog_bite_irq,
IRQF_TRIGGER_RISING, "modem_wdog_fw", NULL);
if (ret < 0) {
pr_err("%s: Unable to request q6fw watchdog IRQ. (%d)\n",
__func__, ret);
goto out;
}
ret = request_irq(Q6SW_WDOG_EXPIRED_IRQ, modem_wdog_bite_irq,
IRQF_TRIGGER_RISING, "modem_wdog_sw", NULL);
if (ret < 0) {
pr_err("%s: Unable to request q6sw watchdog IRQ. (%d)\n",
__func__, ret);
disable_irq_nosync(Q6FW_WDOG_EXPIRED_IRQ);
goto out;
}
ret = modem_subsystem_restart_init();
if (ret < 0) {
pr_err("%s: Unable to reg with subsystem restart. (%d)\n",
__func__, ret);
goto out;
}
modemfw_ramdump_dev = create_ramdump_device("modem_fw");
if (!modemfw_ramdump_dev) {
pr_err("%s: Unable to create modem fw ramdump device. (%d)\n",
__func__, -ENOMEM);
ret = -ENOMEM;
goto out;
}
modemsw_ramdump_dev = create_ramdump_device("modem_sw");
if (!modemsw_ramdump_dev) {
pr_err("%s: Unable to create modem sw ramdump device. (%d)\n",
__func__, -ENOMEM);
ret = -ENOMEM;
goto out;
}
smem_ramdump_dev = create_ramdump_device("smem-modem");
if (!smem_ramdump_dev) {
pr_err("%s: Unable to create smem ramdump device. (%d)\n",
__func__, -ENOMEM);
ret = -ENOMEM;
goto out;
}
ret = modem_debugfs_init();
pr_info("%s: modem fatal driver init'ed.\n", __func__);
out:
return ret;
}
