},
};
+static struct fb_videomode apf28dev_video_modes[] = {
+ {
+ .name = "LW700",
+ .refresh = 60,
+ .xres = 800,
+ .yres = 480,
+ .pixclock = 30303, /* picosecond */
+ .left_margin = 96,
+ .right_margin = 96, /* at least 3 & 1 */
+ .upper_margin = 0x14,
+ .lower_margin = 0x15,
+ .hsync_len = 64,
+ .vsync_len = 4,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT |
+ FB_SYNC_DATA_ENABLE_HIGH_ACT |
+ FB_SYNC_DOTCLK_FAILING_ACT,
+ },
+};
+
static struct mxsfb_platform_data mxsfb_pdata __initdata;
/*
enum mac_oui {
OUI_FSL,
OUI_DENX,
+ OUI_CRYSTALFONTZ,
};
static void __init update_fec_mac_prop(enum mac_oui oui)
np = of_find_compatible_node(from, NULL, "fsl,imx28-fec");
if (!np)
return;
+
from = np;
+ if (of_get_property(np, "local-mac-address", NULL))
+ continue;
+
newmac = kzalloc(sizeof(*newmac) + 6, GFP_KERNEL);
if (!newmac)
return;
macaddr[1] = 0xe5;
macaddr[2] = 0x4e;
break;
+ case OUI_CRYSTALFONTZ:
+ macaddr[0] = 0x58;
+ macaddr[1] = 0xb9;
+ macaddr[2] = 0xe1;
+ break;
}
val = ocotp[i];
macaddr[3] = (val >> 16) & 0xff;
macaddr[4] = (val >> 8) & 0xff;
macaddr[5] = (val >> 0) & 0xff;
- prom_update_property(np, newmac);
+ of_update_property(np, newmac);
}
}
mxsfb_pdata.ld_intf_width = STMLCDIF_18BIT;
}
+static void __init sc_sps1_init(void)
+{
+ enable_clk_enet_out();
+}
+
static int apx4devkit_phy_fixup(struct phy_device *phy)
{
phy->dev_flags |= MICREL_PHY_50MHZ_CLK;
pinctrl_put(pctl);
}
+static void __init cfa10049_init(void)
+{
+ enable_clk_enet_out();
+ update_fec_mac_prop(OUI_CRYSTALFONTZ);
+}
+
+static void __init apf28_init(void)
+{
+ enable_clk_enet_out();
+
+ mxsfb_pdata.mode_list = apf28dev_video_modes;
+ mxsfb_pdata.mode_count = ARRAY_SIZE(apf28dev_video_modes);
+ mxsfb_pdata.default_bpp = 16;
+ mxsfb_pdata.ld_intf_width = STMLCDIF_16BIT;
+}
+
static void __init mxs_machine_init(void)
{
if (of_machine_is_compatible("fsl,imx28-evk"))
m28evk_init();
else if (of_machine_is_compatible("bluegiga,apx4devkit"))
apx4devkit_init();
+ else if (of_machine_is_compatible("crystalfontz,cfa10049"))
+ cfa10049_init();
+ else if (of_machine_is_compatible("armadeus,imx28-apf28"))
+ apf28_init();
+ else if (of_machine_is_compatible("schulercontrol,imx28-sps1"))
+ sc_sps1_init();
of_platform_populate(NULL, of_default_bus_match_table,
mxs_auxdata_lookup, NULL);
unsigned long size,
pgprot_t vma_prot);
- /* Idle loop for this platform, leave empty for default idle loop */
- void (*idle_loop)(void);
-
/*
* Function for waiting for work with reduced power in idle loop;
* called with interrupts disabled.
ppc_md.log_error(buf, err_type, fatal);
}
-#define __define_machine_initcall(mach,level,fn,id) \
+#define __define_machine_initcall(mach, fn, id) \
static int __init __machine_initcall_##mach##_##fn(void) { \
if (machine_is(mach)) return fn(); \
return 0; \
} \
- __define_initcall(level,__machine_initcall_##mach##_##fn,id);
-
-#define machine_core_initcall(mach,fn) __define_machine_initcall(mach,"1",fn,1)
-#define machine_core_initcall_sync(mach,fn) __define_machine_initcall(mach,"1s",fn,1s)
-#define machine_postcore_initcall(mach,fn) __define_machine_initcall(mach,"2",fn,2)
-#define machine_postcore_initcall_sync(mach,fn) __define_machine_initcall(mach,"2s",fn,2s)
-#define machine_arch_initcall(mach,fn) __define_machine_initcall(mach,"3",fn,3)
-#define machine_arch_initcall_sync(mach,fn) __define_machine_initcall(mach,"3s",fn,3s)
-#define machine_subsys_initcall(mach,fn) __define_machine_initcall(mach,"4",fn,4)
-#define machine_subsys_initcall_sync(mach,fn) __define_machine_initcall(mach,"4s",fn,4s)
-#define machine_fs_initcall(mach,fn) __define_machine_initcall(mach,"5",fn,5)
-#define machine_fs_initcall_sync(mach,fn) __define_machine_initcall(mach,"5s",fn,5s)
-#define machine_rootfs_initcall(mach,fn) __define_machine_initcall(mach,"rootfs",fn,rootfs)
-#define machine_device_initcall(mach,fn) __define_machine_initcall(mach,"6",fn,6)
-#define machine_device_initcall_sync(mach,fn) __define_machine_initcall(mach,"6s",fn,6s)
-#define machine_late_initcall(mach,fn) __define_machine_initcall(mach,"7",fn,7)
-#define machine_late_initcall_sync(mach,fn) __define_machine_initcall(mach,"7s",fn,7s)
+ __define_initcall(__machine_initcall_##mach##_##fn, id);
+
+#define machine_core_initcall(mach, fn) __define_machine_initcall(mach, fn, 1)
+#define machine_core_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 1s)
+#define machine_postcore_initcall(mach, fn) __define_machine_initcall(mach, fn, 2)
+#define machine_postcore_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 2s)
+#define machine_arch_initcall(mach, fn) __define_machine_initcall(mach, fn, 3)
+#define machine_arch_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 3s)
+#define machine_subsys_initcall(mach, fn) __define_machine_initcall(mach, fn, 4)
+#define machine_subsys_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 4s)
+#define machine_fs_initcall(mach, fn) __define_machine_initcall(mach, fn, 5)
+#define machine_fs_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 5s)
+#define machine_rootfs_initcall(mach, fn) __define_machine_initcall(mach, fn, rootfs)
+#define machine_device_initcall(mach, fn) __define_machine_initcall(mach, fn, 6)
+#define machine_device_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 6s)
+#define machine_late_initcall(mach, fn) __define_machine_initcall(mach, fn, 7)
+#define machine_late_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 7s)
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MACHDEP_H */
/*
- * Copyright 2009 Freescale Semicondutor, Inc.
+ * Copyright 2009 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
#define PPC_INST_DCBA_MASK 0xfc0007fe
#define PPC_INST_DCBAL 0x7c2005ec
#define PPC_INST_DCBZL 0x7c2007ec
+ #define PPC_INST_ICBT 0x7c00002c
#define PPC_INST_ISEL 0x7c00001e
#define PPC_INST_ISEL_MASK 0xfc00003e
#define PPC_INST_LDARX 0x7c0000a8
#define PPC_INST_AND 0x7c000038
#define PPC_INST_ANDDOT 0x7c000039
#define PPC_INST_OR 0x7c000378
+#define PPC_INST_XOR 0x7c000278
#define PPC_INST_ANDI 0x70000000
#define PPC_INST_ORI 0x60000000
#define PPC_INST_ORIS 0x64000000
+#define PPC_INST_XORI 0x68000000
+#define PPC_INST_XORIS 0x6c000000
#define PPC_INST_NEG 0x7c0000d0
#define PPC_INST_BRANCH 0x48000000
#define PPC_INST_BRANCH_COND 0x40800000
#define __PPC_MB(s) (((s) & 0x1f) << 6)
#define __PPC_ME(s) (((s) & 0x1f) << 1)
#define __PPC_BI(s) (((s) & 0x1f) << 16)
+ #define __PPC_CT(t) (((t) & 0x0f) << 21)
/*
* Only use the larx hint bit on 64bit CPUs. e500v1/v2 based CPUs will treat a
__PPC_RS(t) | __PPC_RA0(a) | __PPC_RB(b))
#define PPC_SLBFEE_DOT(t, b) stringify_in_c(.long PPC_INST_SLBFEE | \
__PPC_RT(t) | __PPC_RB(b))
+ #define PPC_ICBT(c,a,b) stringify_in_c(.long PPC_INST_ICBT | \
+ __PPC_CT(c) | __PPC_RA0(a) | __PPC_RB(b))
/* PASemi instructions */
#define LBZCIX(t,a,b) stringify_in_c(.long PPC_INST_LBZCIX | \
__PPC_RT(t) | __PPC_RA(a) | __PPC_RB(b))
#define LPCR_RMLS 0x1C000000 /* impl dependent rmo limit sel */
#define LPCR_RMLS_SH (63-37)
#define LPCR_ILE 0x02000000 /* !HV irqs set MSR:LE */
+ #define LPCR_AIL_0 0x00000000 /* MMU off exception offset 0x0 */
+ #define LPCR_AIL_3 0x01800000 /* MMU on exception offset 0xc00...4xxx */
#define LPCR_PECE 0x00007000 /* powersave exit cause enable */
#define LPCR_PECE0 0x00004000 /* ext. exceptions can cause exit */
#define LPCR_PECE1 0x00002000 /* decrementer can cause exit */
#define SRR1_WS_DEEPER 0x00020000 /* Some resources not maintained */
#define SRR1_WS_DEEP 0x00010000 /* All resources maintained */
#define SRR1_PROGFPE 0x00100000 /* Floating Point Enabled */
+#define SRR1_PROGILL 0x00080000 /* Illegal instruction */
#define SRR1_PROGPRIV 0x00040000 /* Privileged instruction */
#define SRR1_PROGTRAP 0x00020000 /* Trap */
#define SRR1_PROGADDR 0x00010000 /* SRR0 contains subsequent addr */
#define PVR_970MP 0x0044
#define PVR_970GX 0x0045
#define PVR_POWER7p 0x004A
+ #define PVR_POWER8 0x004B
#define PVR_BE 0x0070
#define PVR_PA6T 0x0090
_GLOBAL(ret_from_kernel_thread)
bl .schedule_tail
REST_NVGPRS(r1)
- REST_GPR(2,r1)
+ li r3,0
+ std r3,0(r1)
+ ld r14, 0(r14)
mtlr r14
mr r3,r15
blrl
li r3,0
- b .do_exit # no return
-
-_GLOBAL(__ret_from_kernel_execve)
- addi r1,r3,-STACK_FRAME_OVERHEAD
- li r10,1
- std r10,SOFTE(r1)
b syscall_exit
.section ".toc","aw"
#include <linux/notifier.h>
#include <linux/proc_fs.h>
#include <linux/slab.h>
+ #include <linux/of.h>
#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/uaccess.h>
- #include <asm/pSeries_reconfig.h>
#include <asm/mmu.h>
-
-
- /*
- * Routines for "runtime" addition and removal of device tree nodes.
- */
- #ifdef CONFIG_PROC_DEVICETREE
- /*
- * Add a node to /proc/device-tree.
- */
- static void add_node_proc_entries(struct device_node *np)
- {
- struct proc_dir_entry *ent;
-
- ent = proc_mkdir(strrchr(np->full_name, '/') + 1, np->parent->pde);
- if (ent)
- proc_device_tree_add_node(np, ent);
- }
-
- static void remove_node_proc_entries(struct device_node *np)
- {
- struct property *pp = np->properties;
- struct device_node *parent = np->parent;
-
- while (pp) {
- remove_proc_entry(pp->name, np->pde);
- pp = pp->next;
- }
- if (np->pde)
- remove_proc_entry(np->pde->name, parent->pde);
- }
- #else /* !CONFIG_PROC_DEVICETREE */
- static void add_node_proc_entries(struct device_node *np)
- {
- return;
- }
-
- static void remove_node_proc_entries(struct device_node *np)
- {
- return;
- }
- #endif /* CONFIG_PROC_DEVICETREE */
-
/**
* derive_parent - basically like dirname(1)
* @path: the full_name of a node to be added to the tree
return parent;
}
- static BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain);
-
- int pSeries_reconfig_notifier_register(struct notifier_block *nb)
- {
- return blocking_notifier_chain_register(&pSeries_reconfig_chain, nb);
- }
- EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_register);
-
- void pSeries_reconfig_notifier_unregister(struct notifier_block *nb)
- {
- blocking_notifier_chain_unregister(&pSeries_reconfig_chain, nb);
- }
- EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_unregister);
-
- int pSeries_reconfig_notify(unsigned long action, void *p)
- {
- int err = blocking_notifier_call_chain(&pSeries_reconfig_chain,
- action, p);
-
- return notifier_to_errno(err);
- }
-
static int pSeries_reconfig_add_node(const char *path, struct property *proplist)
{
struct device_node *np;
goto out_err;
}
- err = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, np);
+ err = of_attach_node(np);
if (err) {
printk(KERN_ERR "Failed to add device node %s\n", path);
goto out_err;
}
- of_attach_node(np);
-
- add_node_proc_entries(np);
-
of_node_put(np->parent);
return 0;
return -EBUSY;
}
- remove_node_proc_entries(np);
-
- pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, np);
of_detach_node(np);
-
of_node_put(parent);
of_node_put(np); /* Must decrement the refcount */
return 0;
if (!new)
return NULL;
- if (!(new->name = kmalloc(strlen(name) + 1, GFP_KERNEL)))
+ if (!(new->name = kstrdup(name, GFP_KERNEL)))
goto cleanup;
if (!(new->value = kmalloc(length + 1, GFP_KERNEL)))
goto cleanup;
- strcpy(new->name, name);
memcpy(new->value, value, length);
*(((char *)new->value) + length) = 0;
new->length = length;
if (!prop)
return -ENOMEM;
- prom_add_property(np, prop);
+ of_add_property(np, prop);
return 0;
}
prop = of_find_property(np, buf, NULL);
- return prom_remove_property(np, prop);
+ return of_remove_property(np, prop);
}
static int do_update_property(char *buf, size_t bufsize)
{
struct device_node *np;
- struct pSeries_reconfig_prop_update upd_value;
unsigned char *value;
char *name, *end, *next_prop;
- int rc, length;
+ int length;
struct property *newprop;
buf = parse_node(buf, bufsize, &np);
end = buf + bufsize;
if (!strcmp(name, "slb-size") || !strcmp(name, "ibm,slb-size"))
slb_set_size(*(int *)value);
- upd_value.node = np;
- upd_value.property = newprop;
- pSeries_reconfig_notify(PSERIES_UPDATE_PROPERTY, &upd_value);
-
- rc = prom_update_property(np, newprop);
- if (rc)
- return rc;
-
- /* For memory under the ibm,dynamic-reconfiguration-memory node
- * of the device tree, adding and removing memory is just an update
- * to the ibm,dynamic-memory property instead of adding/removing a
- * memory node in the device tree. For these cases we still need to
- * involve the notifier chain.
- */
- if (!strcmp(name, "ibm,dynamic-memory")) {
- int action;
-
- next_prop = parse_next_property(next_prop, end, &name,
- &length, &value);
- if (!next_prop)
- return -EINVAL;
-
- if (!strcmp(name, "add"))
- action = PSERIES_DRCONF_MEM_ADD;
- else
- action = PSERIES_DRCONF_MEM_REMOVE;
-
- rc = pSeries_reconfig_notify(action, value);
- if (rc) {
- prom_update_property(np, newprop);
- return rc;
- }
- }
-
- return 0;
+ return of_update_property(np, newprop);
}
/**
return 0;
}
- static int __init setup_one_atmu(struct ccsr_pci __iomem *pci,
+ static int setup_one_atmu(struct ccsr_pci __iomem *pci,
unsigned int index, const struct resource *res,
resource_size_t offset)
{
}
/* atmu setup for fsl pci/pcie controller */
- static void __init setup_pci_atmu(struct pci_controller *hose,
+ static void setup_pci_atmu(struct pci_controller *hose,
struct resource *rsrc)
{
struct ccsr_pci __iomem *pci;
u32 pcicsrbar = 0, pcicsrbar_sz;
u32 piwar = PIWAR_EN | PIWAR_PF | PIWAR_TGI_LOCAL |
PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP;
- char *name = hose->dn->full_name;
+ const char *name = hose->dn->full_name;
const u64 *reg;
int len;
return 0;
}
+ #ifdef CONFIG_PM
+ static int fsl_pci_resume(struct device *dev)
+ {
+ struct pci_controller *hose;
+ struct resource pci_rsrc;
+
+ hose = pci_find_hose_for_OF_device(dev->of_node);
+ if (!hose)
+ return -ENODEV;
+
+ if (of_address_to_resource(dev->of_node, 0, &pci_rsrc)) {
+ dev_err(dev, "Get pci register base failed.");
+ return -ENODEV;
+ }
+
+ setup_pci_atmu(hose, &pci_rsrc);
+
+ return 0;
+ }
+
+ static const struct dev_pm_ops pci_pm_ops = {
+ .resume = fsl_pci_resume,
+ };
+
+ #define PCI_PM_OPS (&pci_pm_ops)
+
+ #else
+
+ #define PCI_PM_OPS NULL
+
+ #endif
+
static struct platform_driver fsl_pci_driver = {
.driver = {
.name = "fsl-pci",
+ .pm = PCI_PM_OPS,
.of_match_table = pci_ids,
},
.probe = fsl_pci_probe,
fail_db_node:
of_node_put(smu->db_node);
fail_bootmem:
- free_bootmem((unsigned long)smu, sizeof(struct smu_device));
+ free_bootmem(__pa(smu), sizeof(struct smu_device));
smu = NULL;
fail_np:
of_node_put(np);
"%02x !\n", id, hdr->id);
goto failure;
}
- if (prom_add_property(smu->of_node, prop)) {
+ if (of_add_property(smu->of_node, prop)) {
printk(KERN_DEBUG "SMU: Failed creating sdb-partition-%02x "
"property !\n", id);
goto failure;
static LIST_HEAD(aliases_lookup);
-struct device_node *allnodes;
+struct device_node *of_allnodes;
+EXPORT_SYMBOL(of_allnodes);
struct device_node *of_chosen;
struct device_node *of_aliases;
struct device_node *np;
read_lock(&devtree_lock);
- np = prev ? prev->allnext : allnodes;
+ np = prev ? prev->allnext : of_allnodes;
for (; np != NULL; np = np->allnext)
if (of_node_get(np))
break;
*/
struct device_node *of_find_node_by_path(const char *path)
{
- struct device_node *np = allnodes;
+ struct device_node *np = of_allnodes;
read_lock(&devtree_lock);
for (; np; np = np->allnext) {
struct device_node *np;
read_lock(&devtree_lock);
- np = from ? from->allnext : allnodes;
+ np = from ? from->allnext : of_allnodes;
for (; np; np = np->allnext)
if (np->name && (of_node_cmp(np->name, name) == 0)
&& of_node_get(np))
struct device_node *np;
read_lock(&devtree_lock);
- np = from ? from->allnext : allnodes;
+ np = from ? from->allnext : of_allnodes;
for (; np; np = np->allnext)
if (np->type && (of_node_cmp(np->type, type) == 0)
&& of_node_get(np))
struct device_node *np;
read_lock(&devtree_lock);
- np = from ? from->allnext : allnodes;
+ np = from ? from->allnext : of_allnodes;
for (; np; np = np->allnext) {
if (type
&& !(np->type && (of_node_cmp(np->type, type) == 0)))
struct property *pp;
read_lock(&devtree_lock);
- np = from ? from->allnext : allnodes;
+ np = from ? from->allnext : of_allnodes;
for (; np; np = np->allnext) {
for (pp = np->properties; pp; pp = pp->next) {
if (of_prop_cmp(pp->name, prop_name) == 0) {
EXPORT_SYMBOL(of_match_node);
/**
- * of_find_matching_node - Find a node based on an of_device_id match
- * table.
+ * of_find_matching_node_and_match - Find a node based on an of_device_id
+ * match table.
* @from: The node to start searching from or NULL, the node
* you pass will not be searched, only the next one
* will; typically, you pass what the previous call
* returned. of_node_put() will be called on it
* @matches: array of of device match structures to search in
+ * @match Updated to point at the matches entry which matched
*
* Returns a node pointer with refcount incremented, use
* of_node_put() on it when done.
*/
-struct device_node *of_find_matching_node(struct device_node *from,
- const struct of_device_id *matches)
+struct device_node *of_find_matching_node_and_match(struct device_node *from,
+ const struct of_device_id *matches,
+ const struct of_device_id **match)
{
struct device_node *np;
+ if (match)
+ *match = NULL;
+
read_lock(&devtree_lock);
- np = from ? from->allnext : allnodes;
+ np = from ? from->allnext : of_allnodes;
for (; np; np = np->allnext) {
- if (of_match_node(matches, np) && of_node_get(np))
+ if (of_match_node(matches, np) && of_node_get(np)) {
+ if (match)
+ *match = matches;
break;
+ }
}
of_node_put(from);
read_unlock(&devtree_lock);
struct device_node *np;
read_lock(&devtree_lock);
- for (np = allnodes; np; np = np->allnext)
+ for (np = of_allnodes; np; np = np->allnext)
if (np->phandle == handle)
break;
of_node_get(np);
}
EXPORT_SYMBOL(of_find_node_by_phandle);
+/**
+ * of_property_read_u8_array - Find and read an array of u8 from a property.
+ *
+ * @np: device node from which the property value is to be read.
+ * @propname: name of the property to be searched.
+ * @out_value: pointer to return value, modified only if return value is 0.
+ * @sz: number of array elements to read
+ *
+ * Search for a property in a device node and read 8-bit value(s) from
+ * it. Returns 0 on success, -EINVAL if the property does not exist,
+ * -ENODATA if property does not have a value, and -EOVERFLOW if the
+ * property data isn't large enough.
+ *
+ * dts entry of array should be like:
+ * property = /bits/ 8 <0x50 0x60 0x70>;
+ *
+ * The out_value is modified only if a valid u8 value can be decoded.
+ */
+int of_property_read_u8_array(const struct device_node *np,
+ const char *propname, u8 *out_values, size_t sz)
+{
+ struct property *prop = of_find_property(np, propname, NULL);
+ const u8 *val;
+
+ if (!prop)
+ return -EINVAL;
+ if (!prop->value)
+ return -ENODATA;
+ if ((sz * sizeof(*out_values)) > prop->length)
+ return -EOVERFLOW;
+
+ val = prop->value;
+ while (sz--)
+ *out_values++ = *val++;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(of_property_read_u8_array);
+
+/**
+ * of_property_read_u16_array - Find and read an array of u16 from a property.
+ *
+ * @np: device node from which the property value is to be read.
+ * @propname: name of the property to be searched.
+ * @out_value: pointer to return value, modified only if return value is 0.
+ * @sz: number of array elements to read
+ *
+ * Search for a property in a device node and read 16-bit value(s) from
+ * it. Returns 0 on success, -EINVAL if the property does not exist,
+ * -ENODATA if property does not have a value, and -EOVERFLOW if the
+ * property data isn't large enough.
+ *
+ * dts entry of array should be like:
+ * property = /bits/ 16 <0x5000 0x6000 0x7000>;
+ *
+ * The out_value is modified only if a valid u16 value can be decoded.
+ */
+int of_property_read_u16_array(const struct device_node *np,
+ const char *propname, u16 *out_values, size_t sz)
+{
+ struct property *prop = of_find_property(np, propname, NULL);
+ const __be16 *val;
+
+ if (!prop)
+ return -EINVAL;
+ if (!prop->value)
+ return -ENODATA;
+ if ((sz * sizeof(*out_values)) > prop->length)
+ return -EOVERFLOW;
+
+ val = prop->value;
+ while (sz--)
+ *out_values++ = be16_to_cpup(val++);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(of_property_read_u16_array);
+
/**
* of_property_read_u32_array - Find and read an array of 32 bit integers
* from a property.
* @np: device node from which the property value is to be read.
* @propname: name of the property to be searched.
* @out_value: pointer to return value, modified only if return value is 0.
+ * @sz: number of array elements to read
*
* Search for a property in a device node and read 32-bit value(s) from
* it. Returns 0 on success, -EINVAL if the property does not exist,
* Returns the device_node pointer with refcount incremented. Use
* of_node_put() on it when done.
*/
-struct device_node *
-of_parse_phandle(struct device_node *np, const char *phandle_name, int index)
+struct device_node *of_parse_phandle(const struct device_node *np,
+ const char *phandle_name, int index)
{
const __be32 *phandle;
int size;
* To get a device_node of the `node2' node you may call this:
* of_parse_phandle_with_args(node3, "list", "#list-cells", 1, &args);
*/
-int of_parse_phandle_with_args(struct device_node *np, const char *list_name,
+int of_parse_phandle_with_args(const struct device_node *np, const char *list_name,
const char *cells_name, int index,
struct of_phandle_args *out_args)
{
}
EXPORT_SYMBOL(of_parse_phandle_with_args);
+ #if defined(CONFIG_OF_DYNAMIC)
+ static int of_property_notify(int action, struct device_node *np,
+ struct property *prop)
+ {
+ struct of_prop_reconfig pr;
+
+ pr.dn = np;
+ pr.prop = prop;
+ return of_reconfig_notify(action, &pr);
+ }
+ #else
+ static int of_property_notify(int action, struct device_node *np,
+ struct property *prop)
+ {
+ return 0;
+ }
+ #endif
+
/**
- * prom_add_property - Add a property to a node
+ * of_add_property - Add a property to a node
*/
- int prom_add_property(struct device_node *np, struct property *prop)
+ int of_add_property(struct device_node *np, struct property *prop)
{
struct property **next;
unsigned long flags;
+ int rc;
+
+ rc = of_property_notify(OF_RECONFIG_ADD_PROPERTY, np, prop);
+ if (rc)
+ return rc;
prop->next = NULL;
write_lock_irqsave(&devtree_lock, flags);
}
/**
- * prom_remove_property - Remove a property from a node.
+ * of_remove_property - Remove a property from a node.
*
* Note that we don't actually remove it, since we have given out
* who-knows-how-many pointers to the data using get-property.
* Instead we just move the property to the "dead properties"
* list, so it won't be found any more.
*/
- int prom_remove_property(struct device_node *np, struct property *prop)
+ int of_remove_property(struct device_node *np, struct property *prop)
{
struct property **next;
unsigned long flags;
int found = 0;
+ int rc;
+
+ rc = of_property_notify(OF_RECONFIG_REMOVE_PROPERTY, np, prop);
+ if (rc)
+ return rc;
write_lock_irqsave(&devtree_lock, flags);
next = &np->properties;
}
/*
- * prom_update_property - Update a property in a node, if the property does
+ * of_update_property - Update a property in a node, if the property does
* not exist, add it.
*
* Note that we don't actually remove it, since we have given out
* Instead we just move the property to the "dead properties" list,
* and add the new property to the property list
*/
- int prom_update_property(struct device_node *np,
- struct property *newprop)
+ int of_update_property(struct device_node *np, struct property *newprop)
{
struct property **next, *oldprop;
unsigned long flags;
- int found = 0;
+ int rc, found = 0;
+
+ rc = of_property_notify(OF_RECONFIG_UPDATE_PROPERTY, np, newprop);
+ if (rc)
+ return rc;
if (!newprop->name)
return -EINVAL;
oldprop = of_find_property(np, newprop->name, NULL);
if (!oldprop)
- return prom_add_property(np, newprop);
+ return of_add_property(np, newprop);
write_lock_irqsave(&devtree_lock, flags);
next = &np->properties;
* device tree nodes.
*/
+ static BLOCKING_NOTIFIER_HEAD(of_reconfig_chain);
+
+ int of_reconfig_notifier_register(struct notifier_block *nb)
+ {
+ return blocking_notifier_chain_register(&of_reconfig_chain, nb);
+ }
+ EXPORT_SYMBOL_GPL(of_reconfig_notifier_register);
+
+ int of_reconfig_notifier_unregister(struct notifier_block *nb)
+ {
+ return blocking_notifier_chain_unregister(&of_reconfig_chain, nb);
+ }
+ EXPORT_SYMBOL_GPL(of_reconfig_notifier_unregister);
+
+ int of_reconfig_notify(unsigned long action, void *p)
+ {
+ int rc;
+
+ rc = blocking_notifier_call_chain(&of_reconfig_chain, action, p);
+ return notifier_to_errno(rc);
+ }
+
+ #ifdef CONFIG_PROC_DEVICETREE
+ static void of_add_proc_dt_entry(struct device_node *dn)
+ {
+ struct proc_dir_entry *ent;
+
+ ent = proc_mkdir(strrchr(dn->full_name, '/') + 1, dn->parent->pde);
+ if (ent)
+ proc_device_tree_add_node(dn, ent);
+ }
+ #else
+ static void of_add_proc_dt_entry(struct device_node *dn)
+ {
+ return;
+ }
+ #endif
+
/**
* of_attach_node - Plug a device node into the tree and global list.
*/
- void of_attach_node(struct device_node *np)
+ int of_attach_node(struct device_node *np)
{
unsigned long flags;
+ int rc;
+
+ rc = of_reconfig_notify(OF_RECONFIG_ATTACH_NODE, np);
+ if (rc)
+ return rc;
write_lock_irqsave(&devtree_lock, flags);
np->sibling = np->parent->child;
- np->allnext = allnodes;
+ np->allnext = of_allnodes;
np->parent->child = np;
- allnodes = np;
+ of_allnodes = np;
write_unlock_irqrestore(&devtree_lock, flags);
+
+ of_add_proc_dt_entry(np);
+ return 0;
}
+ #ifdef CONFIG_PROC_DEVICETREE
+ static void of_remove_proc_dt_entry(struct device_node *dn)
+ {
+ struct device_node *parent = dn->parent;
+ struct property *prop = dn->properties;
+
+ while (prop) {
+ remove_proc_entry(prop->name, dn->pde);
+ prop = prop->next;
+ }
+
+ if (dn->pde)
+ remove_proc_entry(dn->pde->name, parent->pde);
+ }
+ #else
+ static void of_remove_proc_dt_entry(struct device_node *dn)
+ {
+ return;
+ }
+ #endif
+
/**
* of_detach_node - "Unplug" a node from the device tree.
*
* The caller must hold a reference to the node. The memory associated with
* the node is not freed until its refcount goes to zero.
*/
- void of_detach_node(struct device_node *np)
+ int of_detach_node(struct device_node *np)
{
struct device_node *parent;
unsigned long flags;
+ int rc = 0;
+
+ rc = of_reconfig_notify(OF_RECONFIG_DETACH_NODE, np);
+ if (rc)
+ return rc;
write_lock_irqsave(&devtree_lock, flags);
+ if (of_node_check_flag(np, OF_DETACHED)) {
+ /* someone already detached it */
+ write_unlock_irqrestore(&devtree_lock, flags);
+ return rc;
+ }
+
parent = np->parent;
- if (!parent)
- goto out_unlock;
+ if (!parent) {
+ write_unlock_irqrestore(&devtree_lock, flags);
+ return rc;
+ }
- if (allnodes == np)
- allnodes = np->allnext;
+ if (of_allnodes == np)
+ of_allnodes = np->allnext;
else {
struct device_node *prev;
- for (prev = allnodes;
+ for (prev = of_allnodes;
prev->allnext != np;
prev = prev->allnext)
;
}
of_node_set_flag(np, OF_DETACHED);
-
- out_unlock:
write_unlock_irqrestore(&devtree_lock, flags);
+
+ of_remove_proc_dt_entry(np);
+ return rc;
}
#endif /* defined(CONFIG_OF_DYNAMIC) */
bool "Debug register writes"
depends on FB_S3C
---help---
- Show all register writes via printk(KERN_DEBUG)
+ Show all register writes via pr_debug()
config FB_S3C2410
tristate "S3C2410 LCD framebuffer support"
To compile as a module, choose M here: the module name is udlfb.
config FB_IBM_GXT4500
- tristate "Framebuffer support for IBM GXT4500P adaptor"
+ tristate "Framebuffer support for IBM GXT4000P/4500P/6000P/6500P adaptors"
depends on FB && PPC
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
---help---
- Say Y here to enable support for the IBM GXT4500P display
- adaptor, found on some IBM System P (pSeries) machines.
+ Say Y here to enable support for the IBM GXT4000P/6000P and
+ GXT4500P/6500P display adaptor based on Raster Engine RC1000,
+ found on some IBM System P (pSeries) machines. This driver
+ doesn't use Geometry Engine GT1000.
config FB_PS3
tristate "PS3 GPU framebuffer driver"
Up to 4 memory channels can be configured, allowing 4 RGB or
2 YCbCr framebuffers to be configured.
+config FB_SSD1307
+ tristate "Solomon SSD1307 framebuffer support"
+ depends on FB && I2C
+ depends on OF
+ depends on GENERIC_GPIO
+ select FB_SYS_FOPS
+ select FB_SYS_FILLRECT
+ select FB_SYS_COPYAREA
+ select FB_SYS_IMAGEBLIT
+ select FB_DEFERRED_IO
+ select PWM
+ help
+ This driver implements support for the Solomon SSD1307
+ OLED controller over I2C.
+
endmenu
#include <linux/mod_devicetable.h>
#include <linux/spinlock.h>
#include <linux/topology.h>
+ #include <linux/notifier.h>
#include <asm/byteorder.h>
#include <asm/errno.h>
const char *name;
const char *type;
phandle phandle;
- char *full_name;
+ const char *full_name;
struct property *properties;
struct property *deadprops; /* removed properties */
unsigned long _flags;
void *data;
#if defined(CONFIG_SPARC)
- char *path_component_name;
+ const char *path_component_name;
unsigned int unique_id;
struct of_irq_controller *irq_trans;
#endif
#ifdef CONFIG_OF
/* Pointer for first entry in chain of all nodes. */
-extern struct device_node *allnodes;
+extern struct device_node *of_allnodes;
extern struct device_node *of_chosen;
extern struct device_node *of_aliases;
extern rwlock_t devtree_lock;
static inline bool of_have_populated_dt(void)
{
- return allnodes != NULL;
+ return of_allnodes != NULL;
}
static inline bool of_node_is_root(const struct device_node *node)
#define for_each_compatible_node(dn, type, compatible) \
for (dn = of_find_compatible_node(NULL, type, compatible); dn; \
dn = of_find_compatible_node(dn, type, compatible))
-extern struct device_node *of_find_matching_node(struct device_node *from,
- const struct of_device_id *matches);
+extern struct device_node *of_find_matching_node_and_match(
+ struct device_node *from,
+ const struct of_device_id *matches,
+ const struct of_device_id **match);
+static inline struct device_node *of_find_matching_node(
+ struct device_node *from,
+ const struct of_device_id *matches)
+{
+ return of_find_matching_node_and_match(from, matches, NULL);
+}
#define for_each_matching_node(dn, matches) \
for (dn = of_find_matching_node(NULL, matches); dn; \
dn = of_find_matching_node(dn, matches))
+#define for_each_matching_node_and_match(dn, matches, match) \
+ for (dn = of_find_matching_node_and_match(NULL, matches, match); \
+ dn; dn = of_find_matching_node_and_match(dn, matches, match))
extern struct device_node *of_find_node_by_path(const char *path);
extern struct device_node *of_find_node_by_phandle(phandle handle);
extern struct device_node *of_get_parent(const struct device_node *node);
extern struct property *of_find_property(const struct device_node *np,
const char *name,
int *lenp);
+extern int of_property_read_u8_array(const struct device_node *np,
+ const char *propname, u8 *out_values, size_t sz);
+extern int of_property_read_u16_array(const struct device_node *np,
+ const char *propname, u16 *out_values, size_t sz);
extern int of_property_read_u32_array(const struct device_node *np,
const char *propname,
u32 *out_values,
extern const struct of_device_id *of_match_node(
const struct of_device_id *matches, const struct device_node *node);
extern int of_modalias_node(struct device_node *node, char *modalias, int len);
-extern struct device_node *of_parse_phandle(struct device_node *np,
+extern struct device_node *of_parse_phandle(const struct device_node *np,
const char *phandle_name,
int index);
-extern int of_parse_phandle_with_args(struct device_node *np,
+extern int of_parse_phandle_with_args(const struct device_node *np,
const char *list_name, const char *cells_name, int index,
struct of_phandle_args *out_args);
extern int of_machine_is_compatible(const char *compat);
- extern int prom_add_property(struct device_node* np, struct property* prop);
- extern int prom_remove_property(struct device_node *np, struct property *prop);
- extern int prom_update_property(struct device_node *np,
- struct property *newprop);
+ extern int of_add_property(struct device_node *np, struct property *prop);
+ extern int of_remove_property(struct device_node *np, struct property *prop);
+ extern int of_update_property(struct device_node *np, struct property *newprop);
- #if defined(CONFIG_OF_DYNAMIC)
/* For updating the device tree at runtime */
- extern void of_attach_node(struct device_node *);
- extern void of_detach_node(struct device_node *);
- #endif
+ #define OF_RECONFIG_ATTACH_NODE 0x0001
+ #define OF_RECONFIG_DETACH_NODE 0x0002
+ #define OF_RECONFIG_ADD_PROPERTY 0x0003
+ #define OF_RECONFIG_REMOVE_PROPERTY 0x0004
+ #define OF_RECONFIG_UPDATE_PROPERTY 0x0005
+
+ struct of_prop_reconfig {
+ struct device_node *dn;
+ struct property *prop;
+ };
+
+ extern int of_reconfig_notifier_register(struct notifier_block *);
+ extern int of_reconfig_notifier_unregister(struct notifier_block *);
+ extern int of_reconfig_notify(unsigned long, void *);
+
+ extern int of_attach_node(struct device_node *);
+ extern int of_detach_node(struct device_node *);
#define of_match_ptr(_ptr) (_ptr)
return NULL;
}
+static inline int of_property_read_u8_array(const struct device_node *np,
+ const char *propname, u8 *out_values, size_t sz)
+{
+ return -ENOSYS;
+}
+
+static inline int of_property_read_u16_array(const struct device_node *np,
+ const char *propname, u16 *out_values, size_t sz)
+{
+ return -ENOSYS;
+}
+
static inline int of_property_read_u32_array(const struct device_node *np,
const char *propname,
u32 *out_values, size_t sz)
return -ENOSYS;
}
-static inline struct device_node *of_parse_phandle(struct device_node *np,
+static inline struct device_node *of_parse_phandle(const struct device_node *np,
const char *phandle_name,
int index)
{
return prop ? true : false;
}
+static inline int of_property_read_u8(const struct device_node *np,
+ const char *propname,
+ u8 *out_value)
+{
+ return of_property_read_u8_array(np, propname, out_value, 1);
+}
+
+static inline int of_property_read_u16(const struct device_node *np,
+ const char *propname,
+ u16 *out_value)
+{
+ return of_property_read_u16_array(np, propname, out_value, 1);
+}
+
static inline int of_property_read_u32(const struct device_node *np,
const char *propname,
u32 *out_value)
int "RCU CPU stall timeout in seconds"
depends on TREE_RCU || TREE_PREEMPT_RCU
range 3 300
- default 60
+ default 21
help
If a given RCU grace period extends more than the specified
number of seconds, a CPU stall warning is printed. If the
depends on DEBUG_KERNEL
select DEBUG_FS
help
- This option provides the ability to inject artifical errors to
+ This option provides the ability to inject artificial errors to
specified notifier chain callbacks. It is useful to test the error
handling of notifier call chain failures.
depends on HOTPLUG_CPU && NOTIFIER_ERROR_INJECTION
help
This option provides a kernel module that can be used to test
- the error handling of the cpu notifiers by injecting artifical
+ the error handling of the cpu notifiers by injecting artificial
errors to CPU notifier chain callbacks. It is controlled through
debugfs interface under /sys/kernel/debug/notifier-error-inject/cpu
depends on PM && NOTIFIER_ERROR_INJECTION
default m if PM_DEBUG
help
- This option provides the ability to inject artifical errors to
+ This option provides the ability to inject artificial errors to
PM notifier chain callbacks. It is controlled through debugfs
interface /sys/kernel/debug/notifier-error-inject/pm
tristate "Memory hotplug notifier error injection module"
depends on MEMORY_HOTPLUG_SPARSE && NOTIFIER_ERROR_INJECTION
help
- This option provides the ability to inject artifical errors to
+ This option provides the ability to inject artificial errors to
memory hotplug notifier chain callbacks. It is controlled through
debugfs interface under /sys/kernel/debug/notifier-error-inject/memory
If unsure, say N.
- config PSERIES_RECONFIG_NOTIFIER_ERROR_INJECT
- tristate "pSeries reconfig notifier error injection module"
- depends on PPC_PSERIES && NOTIFIER_ERROR_INJECTION
+ config OF_RECONFIG_NOTIFIER_ERROR_INJECT
+ tristate "OF reconfig notifier error injection module"
+ depends on OF_DYNAMIC && NOTIFIER_ERROR_INJECTION
help
- This option provides the ability to inject artifical errors to
+ This option provides the ability to inject artificial errors to
- pSeries reconfig notifier chain callbacks. It is controlled
+ OF reconfig notifier chain callbacks. It is controlled
through debugfs interface under
- /sys/kernel/debug/notifier-error-inject/pSeries-reconfig/
+ /sys/kernel/debug/notifier-error-inject/OF-reconfig/
If the notifier call chain should be failed with some events
notified, write the error code to "actions/<notifier event>/error".
idr.o int_sqrt.o extable.o \
sha1.o md5.o irq_regs.o reciprocal_div.o argv_split.o \
proportions.o flex_proportions.o prio_heap.o ratelimit.o show_mem.o \
- is_single_threaded.o plist.o decompress.o
+ is_single_threaded.o plist.o decompress.o kobject_uevent.o \
+ earlycpio.o
lib-$(CONFIG_MMU) += ioremap.o
lib-$(CONFIG_SMP) += cpumask.o
CFLAGS_kobject_uevent.o += -DDEBUG
endif
-lib-$(CONFIG_HOTPLUG) += kobject_uevent.o
obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o
obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o
lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o
lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o
+lib-$(CONFIG_PERCPU_RWSEM) += percpu-rwsem.o
CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
obj-$(CONFIG_CPU_NOTIFIER_ERROR_INJECT) += cpu-notifier-error-inject.o
obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o
obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o
- obj-$(CONFIG_PSERIES_RECONFIG_NOTIFIER_ERROR_INJECT) += \
- pSeries-reconfig-notifier-error-inject.o
+ obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \
+ of-reconfig-notifier-error-inject.o
lib-$(CONFIG_GENERIC_BUG) += bug.o
#
obj-$(CONFIG_OID_REGISTRY) += oid_registry.o
-$(obj)/oid_registry.c: $(obj)/oid_registry_data.c
+$(obj)/oid_registry.o: $(obj)/oid_registry_data.c
$(obj)/oid_registry_data.c: $(srctree)/include/linux/oid_registry.h \
$(src)/build_OID_registry
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commitdiff