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Diffstat (limited to 'arch/powerpc/kernel/prom.c')
-rw-r--r--arch/powerpc/kernel/prom.c76
1 files changed, 32 insertions, 44 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index eec2da69550..3675ef4bac9 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -724,10 +724,10 @@ static inline char *find_flat_dt_string(u32 offset)
* used to extract the memory informations at boot before we can
* unflatten the tree
*/
-static int __init scan_flat_dt(int (*it)(unsigned long node,
- const char *uname, int depth,
- void *data),
- void *data)
+int __init of_scan_flat_dt(int (*it)(unsigned long node,
+ const char *uname, int depth,
+ void *data),
+ void *data)
{
unsigned long p = ((unsigned long)initial_boot_params) +
initial_boot_params->off_dt_struct;
@@ -784,8 +784,8 @@ static int __init scan_flat_dt(int (*it)(unsigned long node,
* This function can be used within scan_flattened_dt callback to get
* access to properties
*/
-static void* __init get_flat_dt_prop(unsigned long node, const char *name,
- unsigned long *size)
+void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
+ unsigned long *size)
{
unsigned long p = node;
@@ -1087,7 +1087,7 @@ void __init unflatten_device_tree(void)
static int __init early_init_dt_scan_cpus(unsigned long node,
const char *uname, int depth, void *data)
{
- char *type = get_flat_dt_prop(node, "device_type", NULL);
+ char *type = of_get_flat_dt_prop(node, "device_type", NULL);
u32 *prop;
unsigned long size = 0;
@@ -1095,19 +1095,6 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
if (type == NULL || strcmp(type, "cpu") != 0)
return 0;
-#ifdef CONFIG_PPC_PSERIES
- /* On LPAR, look for the first ibm,pft-size property for the hash table size
- */
- if (systemcfg->platform == PLATFORM_PSERIES_LPAR && ppc64_pft_size == 0) {
- u32 *pft_size;
- pft_size = get_flat_dt_prop(node, "ibm,pft-size", NULL);
- if (pft_size != NULL) {
- /* pft_size[0] is the NUMA CEC cookie */
- ppc64_pft_size = pft_size[1];
- }
- }
-#endif
-
boot_cpuid = 0;
boot_cpuid_phys = 0;
if (initial_boot_params && initial_boot_params->version >= 2) {
@@ -1117,8 +1104,9 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
boot_cpuid_phys = initial_boot_params->boot_cpuid_phys;
} else {
/* Check if it's the boot-cpu, set it's hw index now */
- if (get_flat_dt_prop(node, "linux,boot-cpu", NULL) != NULL) {
- prop = get_flat_dt_prop(node, "reg", NULL);
+ if (of_get_flat_dt_prop(node,
+ "linux,boot-cpu", NULL) != NULL) {
+ prop = of_get_flat_dt_prop(node, "reg", NULL);
if (prop != NULL)
boot_cpuid_phys = *prop;
}
@@ -1127,14 +1115,14 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
#ifdef CONFIG_ALTIVEC
/* Check if we have a VMX and eventually update CPU features */
- prop = (u32 *)get_flat_dt_prop(node, "ibm,vmx", &size);
+ prop = (u32 *)of_get_flat_dt_prop(node, "ibm,vmx", &size);
if (prop && (*prop) > 0) {
cur_cpu_spec->cpu_features |= CPU_FTR_ALTIVEC;
cur_cpu_spec->cpu_user_features |= PPC_FEATURE_HAS_ALTIVEC;
}
/* Same goes for Apple's "altivec" property */
- prop = (u32 *)get_flat_dt_prop(node, "altivec", NULL);
+ prop = (u32 *)of_get_flat_dt_prop(node, "altivec", NULL);
if (prop) {
cur_cpu_spec->cpu_features |= CPU_FTR_ALTIVEC;
cur_cpu_spec->cpu_user_features |= PPC_FEATURE_HAS_ALTIVEC;
@@ -1147,7 +1135,7 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
* this by looking at the size of the ibm,ppc-interrupt-server#s
* property
*/
- prop = (u32 *)get_flat_dt_prop(node, "ibm,ppc-interrupt-server#s",
+ prop = (u32 *)of_get_flat_dt_prop(node, "ibm,ppc-interrupt-server#s",
&size);
cur_cpu_spec->cpu_features &= ~CPU_FTR_SMT;
if (prop && ((size / sizeof(u32)) > 1))
@@ -1170,7 +1158,7 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
return 0;
/* get platform type */
- prop = (u32 *)get_flat_dt_prop(node, "linux,platform", NULL);
+ prop = (u32 *)of_get_flat_dt_prop(node, "linux,platform", NULL);
if (prop == NULL)
return 0;
#ifdef CONFIG_PPC64
@@ -1183,21 +1171,21 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
#ifdef CONFIG_PPC64
/* check if iommu is forced on or off */
- if (get_flat_dt_prop(node, "linux,iommu-off", NULL) != NULL)
+ if (of_get_flat_dt_prop(node, "linux,iommu-off", NULL) != NULL)
iommu_is_off = 1;
- if (get_flat_dt_prop(node, "linux,iommu-force-on", NULL) != NULL)
+ if (of_get_flat_dt_prop(node, "linux,iommu-force-on", NULL) != NULL)
iommu_force_on = 1;
#endif
- lprop = get_flat_dt_prop(node, "linux,memory-limit", NULL);
+ lprop = of_get_flat_dt_prop(node, "linux,memory-limit", NULL);
if (lprop)
memory_limit = *lprop;
#ifdef CONFIG_PPC64
- lprop = get_flat_dt_prop(node, "linux,tce-alloc-start", NULL);
+ lprop = of_get_flat_dt_prop(node, "linux,tce-alloc-start", NULL);
if (lprop)
tce_alloc_start = *lprop;
- lprop = get_flat_dt_prop(node, "linux,tce-alloc-end", NULL);
+ lprop = of_get_flat_dt_prop(node, "linux,tce-alloc-end", NULL);
if (lprop)
tce_alloc_end = *lprop;
#endif
@@ -1209,9 +1197,9 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
{
u64 *basep, *entryp;
- basep = get_flat_dt_prop(node, "linux,rtas-base", NULL);
- entryp = get_flat_dt_prop(node, "linux,rtas-entry", NULL);
- prop = get_flat_dt_prop(node, "linux,rtas-size", NULL);
+ basep = of_get_flat_dt_prop(node, "linux,rtas-base", NULL);
+ entryp = of_get_flat_dt_prop(node, "linux,rtas-entry", NULL);
+ prop = of_get_flat_dt_prop(node, "linux,rtas-size", NULL);
if (basep && entryp && prop) {
rtas.base = *basep;
rtas.entry = *entryp;
@@ -1232,11 +1220,11 @@ static int __init early_init_dt_scan_root(unsigned long node,
if (depth != 0)
return 0;
- prop = get_flat_dt_prop(node, "#size-cells", NULL);
+ prop = of_get_flat_dt_prop(node, "#size-cells", NULL);
dt_root_size_cells = (prop == NULL) ? 1 : *prop;
DBG("dt_root_size_cells = %x\n", dt_root_size_cells);
- prop = get_flat_dt_prop(node, "#address-cells", NULL);
+ prop = of_get_flat_dt_prop(node, "#address-cells", NULL);
dt_root_addr_cells = (prop == NULL) ? 2 : *prop;
DBG("dt_root_addr_cells = %x\n", dt_root_addr_cells);
@@ -1271,7 +1259,7 @@ static unsigned long __init dt_mem_next_cell(int s, cell_t **cellp)
static int __init early_init_dt_scan_memory(unsigned long node,
const char *uname, int depth, void *data)
{
- char *type = get_flat_dt_prop(node, "device_type", NULL);
+ char *type = of_get_flat_dt_prop(node, "device_type", NULL);
cell_t *reg, *endp;
unsigned long l;
@@ -1279,7 +1267,7 @@ static int __init early_init_dt_scan_memory(unsigned long node,
if (type == NULL || strcmp(type, "memory") != 0)
return 0;
- reg = (cell_t *)get_flat_dt_prop(node, "reg", &l);
+ reg = (cell_t *)of_get_flat_dt_prop(node, "reg", &l);
if (reg == NULL)
return 0;
@@ -1343,12 +1331,12 @@ void __init early_init_devtree(void *params)
* device-tree, including the platform type, initrd location and
* size, TCE reserve, and more ...
*/
- scan_flat_dt(early_init_dt_scan_chosen, NULL);
+ of_scan_flat_dt(early_init_dt_scan_chosen, NULL);
/* Scan memory nodes and rebuild LMBs */
lmb_init();
- scan_flat_dt(early_init_dt_scan_root, NULL);
- scan_flat_dt(early_init_dt_scan_memory, NULL);
+ of_scan_flat_dt(early_init_dt_scan_root, NULL);
+ of_scan_flat_dt(early_init_dt_scan_memory, NULL);
lmb_enforce_memory_limit(memory_limit);
lmb_analyze();
#ifdef CONFIG_PPC64
@@ -1363,10 +1351,10 @@ void __init early_init_devtree(void *params)
DBG("Scanning CPUs ...\n");
- /* Retreive hash table size from flattened tree plus other
- * CPU related informations (altivec support, boot CPU ID, ...)
+ /* Retreive CPU related informations from the flat tree
+ * (altivec support, boot CPU ID, ...)
*/
- scan_flat_dt(early_init_dt_scan_cpus, NULL);
+ of_scan_flat_dt(early_init_dt_scan_cpus, NULL);
DBG(" <- early_init_devtree()\n");
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-22 18:03:23 +0000