* 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;
* 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;
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;
if (type == NULL || strcmp(type, "cpu") != 0)
return 0;
- /* 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 = (u32 *)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];
- }
- }
-
if (initial_boot_params && initial_boot_params->version >= 2) {
/* version 2 of the kexec param format adds the phys cpuid
* of booted proc.
boot_cpuid = 0;
} else {
/* Check if it's the boot-cpu, set it's hw index in paca now */
- if (get_flat_dt_prop(node, "linux,boot-cpu", NULL) != NULL) {
- u32 *prop = get_flat_dt_prop(node, "reg", NULL);
+ if (of_get_flat_dt_prop(node, "linux,boot-cpu", NULL)
+ != NULL) {
+ u32 *prop = of_get_flat_dt_prop(node, "reg", NULL);
set_hard_smp_processor_id(0, prop == NULL ? 0 : *prop);
boot_cpuid_phys = get_hard_smp_processor_id(0);
}
#ifdef CONFIG_ALTIVEC
/* Check if we have a VMX and eventually update CPU features */
- prop = (u32 *)get_flat_dt_prop(node, "ibm,vmx", NULL);
+ prop = (u32 *)of_get_flat_dt_prop(node, "ibm,vmx", NULL);
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;
* 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))
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;
systemcfg->platform = *prop;
/* 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;
- prop64 = (u64*)get_flat_dt_prop(node, "linux,memory-limit", NULL);
+ prop64 = (u64*)of_get_flat_dt_prop(node, "linux,memory-limit", NULL);
if (prop64)
memory_limit = *prop64;
- prop64 = (u64*)get_flat_dt_prop(node, "linux,tce-alloc-start", NULL);
+ prop64 = (u64*)of_get_flat_dt_prop(node, "linux,tce-alloc-start",NULL);
if (prop64)
tce_alloc_start = *prop64;
- prop64 = (u64*)get_flat_dt_prop(node, "linux,tce-alloc-end", NULL);
+ prop64 = (u64*)of_get_flat_dt_prop(node, "linux,tce-alloc-end", NULL);
if (prop64)
tce_alloc_end = *prop64;
{
u64 *basep, *entryp;
- basep = (u64*)get_flat_dt_prop(node, "linux,rtas-base", NULL);
- entryp = (u64*)get_flat_dt_prop(node, "linux,rtas-entry", NULL);
- prop = (u32*)get_flat_dt_prop(node, "linux,rtas-size", NULL);
+ basep = (u64*)of_get_flat_dt_prop(node,
+ "linux,rtas-base", NULL);
+ entryp = (u64*)of_get_flat_dt_prop(node,
+ "linux,rtas-entry", NULL);
+ prop = (u32*)of_get_flat_dt_prop(node,
+ "linux,rtas-size", NULL);
if (basep && entryp && prop) {
rtas.base = *basep;
rtas.entry = *entryp;
if (depth != 0)
return 0;
- prop = (u32 *)get_flat_dt_prop(node, "#size-cells", NULL);
+ prop = (u32 *)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 = (u32 *)get_flat_dt_prop(node, "#address-cells", NULL);
+ prop = (u32 *)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);
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;
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;
/* Setup flat device-tree pointer */
initial_boot_params = params;
- /* By default, hash size is not set */
- ppc64_pft_size = 0;
-
/* Retreive various informations from the /chosen node of the
* 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();
systemcfg->physicalMemorySize = lmb_phys_mem_size();
/* Retreive hash table size from flattened tree plus other
* CPU related informations (altivec support, boot CPU ID, ...)
*/
- scan_flat_dt(early_init_dt_scan_cpus, NULL);
-
- /* If hash size wasn't obtained above, we calculate it now based on
- * the total RAM size
- */
- if (ppc64_pft_size == 0) {
- unsigned long rnd_mem_size, pteg_count;
-
- /* round mem_size up to next power of 2 */
- rnd_mem_size = 1UL << __ilog2(systemcfg->physicalMemorySize);
- if (rnd_mem_size < systemcfg->physicalMemorySize)
- rnd_mem_size <<= 1;
-
- /* # pages / 2 */
- pteg_count = max(rnd_mem_size >> (12 + 1), 1UL << 11);
-
- ppc64_pft_size = __ilog2(pteg_count << 7);
- }
+ of_scan_flat_dt(early_init_dt_scan_cpus, NULL);
- DBG("Hash pftSize: %x\n", (int)ppc64_pft_size);
DBG(" <- early_init_devtree()\n");
}
projects / profile / ivi / kernel-adaptation-intel-automotive.git / blobdiff