diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2018-09-26 16:55:16 +0300 |
|---|---|---|
| committer | Andes <uboot@andestech.com> | 2018-10-03 12:48:08 +0300 |
| commit | ed49ba4dcccb21cee1c32427cf5bbf09521cd8dd (patch) | |
| tree | 3c94246484207dcd2ed50c1706ae5d79344bfce1 /arch | |
| parent | e5ea1e586076b6c130e16e4a45749fc65679663d (diff) | |
| download | u-boot-ed49ba4dcccb21cee1c32427cf5bbf09521cd8dd.tar.xz | |
riscv: bootm: Pass mhartid CSR value to kernel
So far this is hardcoded to zero, and we should read the value from
mhartid CSR and pass it to Linux kernel.
Suggested-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Rick Chen <rick@andestech.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/lib/bootm.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/riscv/lib/bootm.c b/arch/riscv/lib/bootm.c index 6893108fe3..a7a9fb921b 100644 --- a/arch/riscv/lib/bootm.c +++ b/arch/riscv/lib/bootm.c @@ -11,6 +11,7 @@ #include <image.h> #include <u-boot/zlib.h> #include <asm/byteorder.h> +#include <asm/csr.h> DECLARE_GLOBAL_DATA_PTR; @@ -57,9 +58,9 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) printf("\nStarting kernel ...\n\n"); cleanup_before_linux(); - /* TODO: hardcode the hart id to zero for now */ + if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) - kernel(0, images->ft_addr); + kernel(csr_read(mhartid), images->ft_addr); /* does not return */ |