If the user wants to boot a kernel without legacy environment, information like memory size, initrd address and size should be handed over to the kernel in the command line.
Signed-off-by: Daniel Schwierzeck daniel.schwierzeck@gmail.com ---
arch/mips/lib/bootm.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c index fa579b3..7a98f15 100644 --- a/arch/mips/lib/bootm.c +++ b/arch/mips/lib/bootm.c @@ -144,10 +144,36 @@ static void linux_cmdline_legacy(bootm_headers_t *images) } }
+static void linux_cmdline_append(bootm_headers_t *images) +{ + char buf[24]; + ulong mem, rd_start, rd_size; + + /* append mem */ + mem = gd->ram_size >> 20; + sprintf(buf, "mem=%luM", mem); + linux_cmdline_set(buf, strlen(buf)); + + /* append rd_start and rd_size */ + rd_start = images->initrd_start; + rd_size = images->initrd_end - images->initrd_start; + + if (rd_size) { + sprintf(buf, "rd_start=0x%08lX", rd_start); + linux_cmdline_set(buf, strlen(buf)); + sprintf(buf, "rd_size=0x%lX", rd_size); + linux_cmdline_set(buf, strlen(buf)); + } +} + static void boot_cmdline_linux(bootm_headers_t *images) { if (mips_boot_cmdline_legacy) { linux_cmdline_legacy(images); + + if (!mips_boot_env_legacy) + linux_cmdline_append(images); + linux_cmdline_dump(); } }