From 715e20eb41cc8b48f92d959da2faaac61d110349 Mon Sep 17 00:00:00 2001
From: "Steven J. Hill" <Steven.Hill@cavium.com>
Date: Tue, 22 Nov 2016 13:44:10 -0600
Subject: [PATCH] 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>
---
arch/mips/cavium-octeon/setup.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
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;
--
GitLab