static void __init tegra_dt_init(void)
{
struct soc_device_attribute *soc_dev_attr;
struct soc_device *soc_dev;
struct device *parent = NULL;
tegra_clocks_apply_init_table();
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
goto out;
soc_dev_attr->family = kasprintf(GFP_KERNEL, "Tegra");
soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%d", tegra_revision);
soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%d", tegra_chip_id);
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
kfree(soc_dev_attr->family);
kfree(soc_dev_attr->revision);
kfree(soc_dev_attr->soc_id);
kfree(soc_dev_attr);
goto out;
}
parent = soc_device_to_device(soc_dev);
/*
* Finished with the static registrations now; fill in the missing
* devices
*/
out:
of_platform_populate(NULL, of_default_bus_match_table, NULL, parent);
}
static int realview_soc_probe(struct platform_device *pdev)
{
static struct regmap *syscon_regmap;
struct soc_device *soc_dev;
struct soc_device_attribute *soc_dev_attr;
struct device_node *np = pdev->dev.of_node;
int ret;
syscon_regmap = syscon_regmap_lookup_by_phandle(np, "regmap");
if (IS_ERR(syscon_regmap))
return PTR_ERR(syscon_regmap);
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
return -ENOMEM;
ret = of_property_read_string(np, "compatible",
&soc_dev_attr->soc_id);
if (ret)
return -EINVAL;
soc_dev_attr->machine = "RealView";
soc_dev_attr->family = "Versatile";
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
kfree(soc_dev_attr);
return -ENODEV;
}
ret = regmap_read(syscon_regmap, REALVIEW_SYS_ID_OFFSET,
&realview_coreid);
if (ret)
return -ENODEV;
device_create_file(soc_device_to_device(soc_dev), &realview_manf_attr);
device_create_file(soc_device_to_device(soc_dev), &realview_board_attr);
device_create_file(soc_device_to_device(soc_dev), &realview_arch_attr);
device_create_file(soc_device_to_device(soc_dev), &realview_build_attr);
dev_info(&pdev->dev, "RealView Syscon Core ID: 0x%08x, HBI-%03x\n",
realview_coreid,
((realview_coreid >> 16) & 0xfff));
/* FIXME: add attributes for SoC to sysfs */
return 0;
}
static void __init sama5_dt_device_init(void)
{
struct soc_device *soc;
struct device *soc_dev = NULL;
soc = at91_soc_init(sama5_socs);
if (soc != NULL)
soc_dev = soc_device_to_device(soc);
of_platform_populate(NULL, of_default_bus_match_table, NULL, soc_dev);
at91sam9x5_pm_init();
}
static void __init intcp_init_of(void)
{
struct device_node *root;
struct device_node *cpcon;
struct device *parent;
struct soc_device *soc_dev;
struct soc_device_attribute *soc_dev_attr;
u32 intcp_sc_id;
int err;
/* Here we create an SoC device for the root node */
root = of_find_node_by_path("/");
if (!root)
return;
cpcon = of_find_matching_node(root, intcp_syscon_match);
if (!cpcon)
return;
intcp_con_base = of_iomap(cpcon, 0);
if (!intcp_con_base)
return;
intcp_sc_id = readl(intcp_con_base);
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
return;
err = of_property_read_string(root, "compatible",
&soc_dev_attr->soc_id);
if (err)
return;
err = of_property_read_string(root, "model", &soc_dev_attr->machine);
if (err)
return;
soc_dev_attr->family = "Integrator";
soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%c",
'A' + (intcp_sc_id & 0x0f));
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
kfree(soc_dev_attr->revision);
kfree(soc_dev_attr);
return;
}
parent = soc_device_to_device(soc_dev);
integrator_init_sysfs(parent, intcp_sc_id);
of_platform_populate(root, of_default_bus_match_table,
intcp_auxdata_lookup, parent);
}
static void __init at91rm9200_dt_device_init(void)
{
struct soc_device *soc;
struct device *soc_dev = NULL;
soc = at91_soc_init(rm9200_socs);
if (soc != NULL)
soc_dev = soc_device_to_device(soc);
of_platform_default_populate(NULL, NULL, soc_dev);
at91rm9200_pm_init();
}
struct device * __init ux500_soc_device_init(const char *soc_id)
{
struct device *parent;
struct soc_device *soc_dev;
struct soc_device_attribute *soc_dev_attr;
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
return ERR_PTR(-ENOMEM);
soc_info_populate(soc_dev_attr, soc_id);
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
kfree(soc_dev_attr);
return NULL;
}
parent = soc_device_to_device(soc_dev);
device_create_file(parent, &ux500_soc_attr);
return parent;
}
static struct device __init *ep93xx_init_soc(void)
{
struct soc_device_attribute *soc_dev_attr;
struct soc_device *soc_dev;
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
return NULL;
soc_dev_attr->machine = ep93xx_get_machine_name();
soc_dev_attr->family = "Cirrus Logic EP93xx";
soc_dev_attr->revision = ep93xx_get_soc_rev();
soc_dev_attr->soc_id = ep93xx_get_soc_id();
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
kfree(soc_dev_attr->machine);
kfree(soc_dev_attr);
return NULL;
}
return soc_device_to_device(soc_dev);
}
static int __init meson_mx_socinfo_init(void)
{
struct soc_device_attribute *soc_dev_attr;
struct soc_device *soc_dev;
struct device_node *np;
struct regmap *assist_regmap, *bootrom_regmap, *analog_top_regmap;
unsigned int major_ver, misc_ver, metal_rev = 0;
int ret;
assist_regmap =
syscon_regmap_lookup_by_compatible("amlogic,meson-mx-assist");
if (IS_ERR(assist_regmap))
return PTR_ERR(assist_regmap);
bootrom_regmap =
syscon_regmap_lookup_by_compatible("amlogic,meson-mx-bootrom");
if (IS_ERR(bootrom_regmap))
return PTR_ERR(bootrom_regmap);
np = of_find_matching_node(NULL, meson_mx_socinfo_analog_top_ids);
if (np) {
analog_top_regmap = syscon_node_to_regmap(np);
if (IS_ERR(analog_top_regmap))
return PTR_ERR(analog_top_regmap);
ret = regmap_read(analog_top_regmap,
MESON_MX_ANALOG_TOP_METAL_REVISION,
&metal_rev);
if (ret)
return ret;
}
ret = regmap_read(assist_regmap, MESON_MX_ASSIST_HW_REV, &major_ver);
if (ret < 0)
return ret;
ret = regmap_read(bootrom_regmap, MESON_MX_BOOTROM_MISC_VER,
&misc_ver);
if (ret < 0)
return ret;
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
return -ENODEV;
soc_dev_attr->family = "Amlogic Meson";
np = of_find_node_by_path("/");
of_property_read_string(np, "model", &soc_dev_attr->machine);
of_node_put(np);
soc_dev_attr->revision = meson_mx_socinfo_revision(major_ver, misc_ver,
metal_rev);
soc_dev_attr->soc_id = meson_mx_socinfo_soc_id(major_ver, metal_rev);
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
kfree_const(soc_dev_attr->revision);
kfree_const(soc_dev_attr->soc_id);
kfree(soc_dev_attr);
return PTR_ERR(soc_dev);
}
dev_info(soc_device_to_device(soc_dev), "Amlogic %s %s detected\n",
soc_dev_attr->soc_id, soc_dev_attr->revision);
return 0;
}
static void __init ap_init_of(void)
{
unsigned long sc_dec;
struct device_node *root;
struct device_node *syscon;
struct device *parent;
struct soc_device *soc_dev;
struct soc_device_attribute *soc_dev_attr;
u32 ap_sc_id;
int err;
int i;
/* Here we create an SoC device for the root node */
root = of_find_node_by_path("/");
if (!root)
return;
syscon = of_find_node_by_path("/syscon");
if (!syscon)
return;
ap_syscon_base = of_iomap(syscon, 0);
if (!ap_syscon_base)
return;
ap_sc_id = readl(ap_syscon_base);
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
return;
err = of_property_read_string(root, "compatible",
&soc_dev_attr->soc_id);
if (err)
return;
err = of_property_read_string(root, "model", &soc_dev_attr->machine);
if (err)
return;
soc_dev_attr->family = "Integrator";
soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%c",
'A' + (ap_sc_id & 0x0f));
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
kfree(soc_dev_attr->revision);
kfree(soc_dev_attr);
return;
}
parent = soc_device_to_device(soc_dev);
integrator_init_sysfs(parent, ap_sc_id);
of_platform_populate(root, of_default_bus_match_table,
ap_auxdata_lookup, parent);
sc_dec = readl(ap_syscon_base + INTEGRATOR_SC_DEC_OFFSET);
for (i = 0; i < 4; i++) {
struct lm_device *lmdev;
if ((sc_dec & (16 << i)) == 0)
continue;
lmdev = kzalloc(sizeof(struct lm_device), GFP_KERNEL);
if (!lmdev)
continue;
lmdev->resource.start = 0xc0000000 + 0x10000000 * i;
lmdev->resource.end = lmdev->resource.start + 0x0fffffff;
lmdev->resource.flags = IORESOURCE_MEM;
lmdev->irq = IRQ_AP_EXPINT0 + i;
lmdev->id = i;
lm_device_register(lmdev);
}
}
int __init meson_gx_socinfo_init(void)
{
struct soc_device_attribute *soc_dev_attr;
struct soc_device *soc_dev;
struct device_node *np;
struct regmap *regmap;
unsigned int socinfo;
struct device *dev;
int ret;
/* look up for chipid node */
np = of_find_compatible_node(NULL, NULL, "amlogic,meson-gx-ao-secure");
if (!np)
return -ENODEV;
/* check if interface is enabled */
if (!of_device_is_available(np))
return -ENODEV;
/* check if chip-id is available */
if (!of_property_read_bool(np, "amlogic,has-chip-id"))
return -ENODEV;
/* node should be a syscon */
regmap = syscon_node_to_regmap(np);
of_node_put(np);
if (IS_ERR(regmap)) {
pr_err("%s: failed to get regmap\n", __func__);
return -ENODEV;
}
ret = regmap_read(regmap, AO_SEC_SOCINFO_OFFSET, &socinfo);
if (ret < 0)
return ret;
if (!socinfo) {
pr_err("%s: invalid chipid value\n", __func__);
return -EINVAL;
}
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
return -ENODEV;
soc_dev_attr->family = "Amlogic Meson";
np = of_find_node_by_path("/");
of_property_read_string(np, "model", &soc_dev_attr->machine);
of_node_put(np);
soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%x:%x - %x:%x",
socinfo_to_major(socinfo),
socinfo_to_minor(socinfo),
socinfo_to_pack(socinfo),
socinfo_to_misc(socinfo));
soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%s (%s)",
socinfo_to_soc_id(socinfo),
socinfo_to_package_id(socinfo));
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
kfree(soc_dev_attr->revision);
kfree_const(soc_dev_attr->soc_id);
kfree(soc_dev_attr);
return PTR_ERR(soc_dev);
}
dev = soc_device_to_device(soc_dev);
dev_info(dev, "Amlogic Meson %s Revision %x:%x (%x:%x) Detected\n",
soc_dev_attr->soc_id,
socinfo_to_major(socinfo),
socinfo_to_minor(socinfo),
socinfo_to_pack(socinfo),
socinfo_to_misc(socinfo));
return 0;
}