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| author | Rob Herring | 2013-08-28 17:05:10 +0200 |
|---|---|---|
| committer | Rob Herring | 2013-10-09 18:38:15 +0200 |
| commit | 7745fc1fec6ec9556e4cc36c21b0e02589078902 (patch) | |
| tree | 9aaf7c317070ada0bc8b764acdad94b97e81816b /arch/xtensa/kernel/setup.c | |
| parent | openrisc: use early_init_dt_scan (diff) | |
| download | kernel-qcow2-linux-7745fc1fec6ec9556e4cc36c21b0e02589078902.tar.gz kernel-qcow2-linux-7745fc1fec6ec9556e4cc36c21b0e02589078902.tar.xz kernel-qcow2-linux-7745fc1fec6ec9556e4cc36c21b0e02589078902.zip | |
xtensa: use early_init_dt_scan
Convert xtensa to use new early_init_dt_scan function.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: linux-xtensa@linux-xtensa.org
Diffstat (limited to 'arch/xtensa/kernel/setup.c')
| -rw-r--r-- | arch/xtensa/kernel/setup.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index fc31ec1e977d..65974a8f41a4 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -219,9 +219,13 @@ static int __init parse_bootparam(const bp_tag_t* tag) } #ifdef CONFIG_OF +bool __initdata dt_memory_scan = false; void __init early_init_dt_add_memory_arch(u64 base, u64 size) { + if (!dt_memory_scan) + return; + size &= PAGE_MASK; add_sysmem_bank(MEMORY_TYPE_CONVENTIONAL, base, base + size); } @@ -233,20 +237,13 @@ void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) void __init early_init_devtree(void *params) { - /* Setup flat device-tree pointer */ - initial_boot_params = params; + if (sysmem.nr_banks == 0) + dt_memory_scan = true; - /* Retrieve various informations from the /chosen node of the - * device-tree, including the platform type, initrd location and - * size, TCE reserve, and more ... - */ - if (!command_line[0]) - of_scan_flat_dt(early_init_dt_scan_chosen, command_line); + early_init_dt_scan(params); - /* Scan memory nodes and rebuild MEMBLOCKs */ - of_scan_flat_dt(early_init_dt_scan_root, NULL); - if (sysmem.nr_banks == 0) - of_scan_flat_dt(early_init_dt_scan_memory, NULL); + if (!command_line[0]) + strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); } static int __init xtensa_device_probe(void) |