| Message ID | 1420154295-16633-19-git-send-email-sjg@chromium.org |
|---|---|
| State | Accepted |
| Delegated to: | Simon Glass |
| Headers | show |
On 1 January 2015 at 16:18, Simon Glass <sjg@chromium.org> wrote: > Once we stop running from ROM we should set up the MTTRs to speed up > execution. This is only needed for platforms that don't have an FSP. > Also in the Coreboot case, the MTRRs are set up for us. > > Signed-off-by: Simon Glass <sjg@chromium.org> > --- > > Changes in v2: None > > arch/x86/lib/init_helpers.c | 8 ++++++++ > 1 file changed, 8 insertions(+) Applied to u-boot-x86/next.
diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c index be4eb12..fc211d9 100644 --- a/arch/x86/lib/init_helpers.c +++ b/arch/x86/lib/init_helpers.c @@ -7,6 +7,7 @@ #include <common.h> #include <fdtdec.h> #include <spi.h> +#include <asm/mtrr.h> #include <asm/sections.h> DECLARE_GLOBAL_DATA_PTR; @@ -66,6 +67,13 @@ int calculate_relocation_address(void) int init_cache_f_r(void) { +#if defined(CONFIG_X86_RESET_VECTOR) & !defined(CONFIG_HAVE_FSP) + int ret; + + ret = mtrr_commit(false); + if (ret) + return ret; +#endif /* Initialise the CPU cache(s) */ return init_cache(); }
Once we stop running from ROM we should set up the MTTRs to speed up execution. This is only needed for platforms that don't have an FSP. Also in the Coreboot case, the MTRRs are set up for us. Signed-off-by: Simon Glass <sjg@chromium.org> --- Changes in v2: None arch/x86/lib/init_helpers.c | 8 ++++++++ 1 file changed, 8 insertions(+)