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authorSteven J. Hill <Steven.Hill@cavium.com>2016-11-22 13:44:10 -0600
committerRalf Baechle <ralf@linux-mips.org>2017-01-03 16:34:35 +0100
commit715e20eb41cc8b48f92d959da2faaac61d110349 (patch)
treec39d99a7bd30ab8707e7402b5de1a9994f424d6d /arch/mips/cavium-octeon
parent3cc3434fd6307d06b53b98ce83e76bf9807689b9 (diff)
downloadlwn-715e20eb41cc8b48f92d959da2faaac61d110349.tar.gz
lwn-715e20eb41cc8b48f92d959da2faaac61d110349.zip
MIPS: Octeon: Add fw_init_cmdline() for Cavium platforms.
Add platform-specific kernel command line processing for Octeon. Signed-off-by: Steven J. Hill <steven.hill@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14599/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/cavium-octeon')
-rw-r--r--arch/mips/cavium-octeon/setup.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 9a2db1c013d9..4809ce4719d1 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -949,6 +949,22 @@ static __init void memory_exclude_page(u64 addr, u64 *mem, u64 *size)
}
#endif /* CONFIG_CRASH_DUMP */
+void __init fw_init_cmdline(void)
+{
+ int i;
+
+ octeon_boot_desc_ptr = (struct octeon_boot_descriptor *)fw_arg3;
+ for (i = 0; i < octeon_boot_desc_ptr->argc; i++) {
+ const char *arg =
+ cvmx_phys_to_ptr(octeon_boot_desc_ptr->argv[i]);
+ if (strlen(arcs_cmdline) + strlen(arg) + 1 <
+ sizeof(arcs_cmdline) - 1) {
+ strcat(arcs_cmdline, " ");
+ strcat(arcs_cmdline, arg);
+ }
+ }
+}
+
void __init plat_mem_setup(void)
{
uint64_t mem_alloc_size;