5 Jan
2015
5 Jan
'15
6:41 p.m.
On 3 January 2015 at 20:53, Bin Meng bmeng.cn@gmail.com wrote:
Hi Simon,
On Fri, Jan 2, 2015 at 7:18 AM, Simon Glass sjg@chromium.org wrote:
For platforms with CAR we should disable it before relocation. Check if this function is available and call it if so.
Signed-off-by: Simon Glass sjg@chromium.org
Changes in v2:
- Use a simple call instruction to call car_uninit
arch/x86/cpu/start.S | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S index 125782c..be8a2dc 100644 --- a/arch/x86/cpu/start.S +++ b/arch/x86/cpu/start.S @@ -205,6 +205,15 @@ board_init_f_r_trampoline: /* Setup global descriptor table so gd->xyz works */ call setup_gdt
/* Set if we need to disable CAR */+.weak car_uninit
movl $car_uninit, %eaxcmpl $0, %eaxjz 1f/* Pass return address in ebx */The comment need to be fixed, or just simply remove this.
Applied to u-boot-x86/next.
(With comment removed)