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-rw-r--r--arch/mips/cavium-octeon/setup.c20
-rw-r--r--arch/mips/include/asm/mips-boards/generic.h4
-rw-r--r--arch/mips/include/asm/prom.h6
-rw-r--r--arch/mips/kernel/prom.c2
-rw-r--r--arch/mips/lantiq/prom.c15
-rw-r--r--arch/mips/lantiq/prom.h2
-rw-r--r--arch/mips/mti-sead3/sead3-setup.c8
-rw-r--r--arch/mips/netlogic/xlp/dt.c19
-rw-r--r--arch/mips/ralink/of.c29
9 files changed, 19 insertions, 86 deletions
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 331b837cec57..f1bec00d5a85 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -1053,36 +1053,26 @@ void prom_free_prom_memory(void)
int octeon_prune_device_tree(void);
extern const char __dtb_octeon_3xxx_begin;
-extern const char __dtb_octeon_3xxx_end;
extern const char __dtb_octeon_68xx_begin;
-extern const char __dtb_octeon_68xx_end;
void __init device_tree_init(void)
{
- int dt_size;
- struct boot_param_header *fdt;
+ const void *fdt;
bool do_prune;
if (octeon_bootinfo->minor_version >= 3 && octeon_bootinfo->fdt_addr) {
fdt = phys_to_virt(octeon_bootinfo->fdt_addr);
if (fdt_check_header(fdt))
panic("Corrupt Device Tree passed to kernel.");
- dt_size = be32_to_cpu(fdt->totalsize);
do_prune = false;
} else if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
- fdt = (struct boot_param_header *)&__dtb_octeon_68xx_begin;
- dt_size = &__dtb_octeon_68xx_end - &__dtb_octeon_68xx_begin;
+ fdt = &__dtb_octeon_68xx_begin;
do_prune = true;
} else {
- fdt = (struct boot_param_header *)&__dtb_octeon_3xxx_begin;
- dt_size = &__dtb_octeon_3xxx_end - &__dtb_octeon_3xxx_begin;
+ fdt = &__dtb_octeon_3xxx_begin;
do_prune = true;
}
- /* Copy the default tree from init memory. */
- initial_boot_params = early_init_dt_alloc_memory_arch(dt_size, 8);
- if (initial_boot_params == NULL)
- panic("Could not allocate initial_boot_params");
- memcpy(initial_boot_params, fdt, dt_size);
+ initial_boot_params = (void *)fdt;
if (do_prune) {
octeon_prune_device_tree();
@@ -1090,7 +1080,7 @@ void __init device_tree_init(void)
} else {
pr_info("Using passed Device Tree.\n");
}
- unflatten_device_tree();
+ unflatten_and_copy_device_tree();
}
static int __initdata disable_octeon_edac_p;
diff --git a/arch/mips/include/asm/mips-boards/generic.h b/arch/mips/include/asm/mips-boards/generic.h
index 48616816bcbc..c904c24550f6 100644
--- a/arch/mips/include/asm/mips-boards/generic.h
+++ b/arch/mips/include/asm/mips-boards/generic.h
@@ -67,10 +67,6 @@
extern int mips_revision_sconid;
-#ifdef CONFIG_OF
-extern struct boot_param_header __dtb_start;
-#endif
-
#ifdef CONFIG_PCI
extern void mips_pcibios_init(void);
#else
diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h
index ccd2b75f152c..a9494c0141fb 100644
--- a/arch/mips/include/asm/prom.h
+++ b/arch/mips/include/asm/prom.h
@@ -21,13 +21,13 @@ extern void device_tree_init(void);
struct boot_param_header;
-extern void __dt_setup_arch(struct boot_param_header *bph);
+extern void __dt_setup_arch(void *bph);
#define dt_setup_arch(sym) \
({ \
- extern struct boot_param_header __dtb_##sym##_begin; \
+ extern char __dtb_##sym##_begin[]; \
\
- __dt_setup_arch(&__dtb_##sym##_begin); \
+ __dt_setup_arch(__dtb_##sym##_begin); \
})
#else /* CONFIG_OF */
diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index 3c3b0df8f48d..5d39bb85bf35 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -47,7 +47,7 @@ void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS));
}
-void __init __dt_setup_arch(struct boot_param_header *bph)
+void __init __dt_setup_arch(void *bph)
{
if (!early_init_dt_scan(bph))
return;
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index 19686c5bc5ed..7447d322d14e 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -71,23 +71,12 @@ void __init plat_mem_setup(void)
* Load the builtin devicetree. This causes the chosen node to be
* parsed resulting in our memory appearing
*/
- __dt_setup_arch(&__dtb_start);
+ __dt_setup_arch(__dtb_start);
}
void __init device_tree_init(void)
{
- unsigned long base, size;
-
- if (!initial_boot_params)
- return;
-
- base = virt_to_phys((void *)initial_boot_params);
- size = be32_to_cpu(initial_boot_params->totalsize);
-
- /* Before we do anything, lets reserve the dt blob */
- reserve_bootmem(base, size, BOOTMEM_DEFAULT);
-
- unflatten_device_tree();
+ unflatten_and_copy_device_tree();
}
void __init prom_init(void)
diff --git a/arch/mips/lantiq/prom.h b/arch/mips/lantiq/prom.h
index 8e07b5f28ef1..bfd2d58c1d69 100644
--- a/arch/mips/lantiq/prom.h
+++ b/arch/mips/lantiq/prom.h
@@ -26,6 +26,4 @@ struct ltq_soc_info {
extern void ltq_soc_detect(struct ltq_soc_info *i);
extern void ltq_soc_init(void);
-extern struct boot_param_header __dtb_start;
-
#endif
diff --git a/arch/mips/mti-sead3/sead3-setup.c b/arch/mips/mti-sead3/sead3-setup.c
index bf7fe48bf2f9..e43f4801a245 100644
--- a/arch/mips/mti-sead3/sead3-setup.c
+++ b/arch/mips/mti-sead3/sead3-setup.c
@@ -69,17 +69,17 @@ static void __init parse_memsize_param(void)
if (!memsize)
return;
- offset = fdt_path_offset(&__dtb_start, "/memory");
+ offset = fdt_path_offset(__dtb_start, "/memory");
if (offset > 0) {
uint64_t new_value;
/*
* reg contains 2 32-bits BE values, offset and size. We just
* want to replace the size value without affecting the offset
*/
- prop_value = fdt_getprop(&__dtb_start, offset, "reg", &prop_len);
+ prop_value = fdt_getprop(__dtb_start, offset, "reg", &prop_len);
new_value = be64_to_cpu(*prop_value);
new_value = (new_value & ~0xffffffffllu) | memsize;
- fdt_setprop_inplace_u64(&__dtb_start, offset, "reg", new_value);
+ fdt_setprop_inplace_u64(__dtb_start, offset, "reg", new_value);
}
}
@@ -92,7 +92,7 @@ void __init plat_mem_setup(void)
* Load the builtin devicetree. This causes the chosen node to be
* parsed resulting in our memory appearing
*/
- __dt_setup_arch(&__dtb_start);
+ __dt_setup_arch(__dtb_start);
}
void __init device_tree_init(void)
diff --git a/arch/mips/netlogic/xlp/dt.c b/arch/mips/netlogic/xlp/dt.c
index 5754097b9cde..bdde33147bce 100644
--- a/arch/mips/netlogic/xlp/dt.c
+++ b/arch/mips/netlogic/xlp/dt.c
@@ -42,7 +42,7 @@
#include <asm/prom.h>
extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[],
- __dtb_xlp_fvp_begin[], __dtb_xlp_gvp_begin[], __dtb_start[];
+ __dtb_xlp_fvp_begin[], __dtb_xlp_gvp_begin[];
static void *xlp_fdt_blob;
void __init *xlp_dt_init(void *fdtp)
@@ -87,22 +87,7 @@ void __init xlp_early_init_devtree(void)
void __init device_tree_init(void)
{
- unsigned long base, size;
- struct boot_param_header *fdtp = xlp_fdt_blob;
-
- if (!fdtp)
- return;
-
- base = virt_to_phys(fdtp);
- size = be32_to_cpu(fdtp->totalsize);
-
- /* Before we do anything, lets reserve the dt blob */
- reserve_bootmem(base, size, BOOTMEM_DEFAULT);
-
- unflatten_device_tree();
-
- /* free the space reserved for the dt blob */
- free_bootmem(base, size);
+ unflatten_and_copy_device_tree();
}
static struct of_device_id __initdata xlp_ids[] = {
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index eccc5526155e..251395210e23 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -28,8 +28,6 @@
__iomem void *rt_sysc_membase;
__iomem void *rt_memc_membase;
-extern struct boot_param_header __dtb_start;
-
__iomem void *plat_of_remap_node(const char *node)
{
struct resource res;
@@ -52,30 +50,7 @@ __iomem void *plat_of_remap_node(const char *node)
void __init device_tree_init(void)
{
- unsigned long base, size;
- void *fdt_copy;
-
- if (!initial_boot_params)
- return;
-
- base = virt_to_phys((void *)initial_boot_params);
- size = be32_to_cpu(initial_boot_params->totalsize);
-
- /* Before we do anything, lets reserve the dt blob */
- reserve_bootmem(base, size, BOOTMEM_DEFAULT);
-
- /* The strings in the flattened tree are referenced directly by the
- * device tree, so copy the flattened device tree from init memory
- * to regular memory.
- */
- fdt_copy = alloc_bootmem(size);
- memcpy(fdt_copy, initial_boot_params, size);
- initial_boot_params = fdt_copy;
-
- unflatten_device_tree();
-
- /* free the space reserved for the dt blob */
- free_bootmem(base, size);
+ unflatten_and_copy_device_tree();
}
void __init plat_mem_setup(void)
@@ -86,7 +61,7 @@ void __init plat_mem_setup(void)
* Load the builtin devicetree. This causes the chosen node to be
* parsed resulting in our memory appearing
*/
- __dt_setup_arch(&__dtb_start);
+ __dt_setup_arch(__dtb_start);
if (soc_info.mem_size)
add_memory_region(soc_info.mem_base, soc_info.mem_size * SZ_1M,
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-09 10:01:47 +0000