Since the FSP is a black box it helps to have some sort of debugging available to check its inputs. If the debug UART is in use, set it up after CAR is available.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/x86/include/asm/u-boot-x86.h | 3 +++ arch/x86/lib/fsp/fsp_support.c | 4 ++++ 2 files changed, 7 insertions(+)
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h index 44c24ff..85fafc0 100644 --- a/arch/x86/include/asm/u-boot-x86.h +++ b/arch/x86/include/asm/u-boot-x86.h @@ -62,6 +62,9 @@ int fsp_cpu_mmc_init(const char *name, struct pci_device_id mmc_supported[], /* Set up a UART which can be used with printch(), printhex8(), etc. */ int setup_early_uart(void);
+/* Set up a UART which can be used with printch(), printhex8(), etc. */ +int setup_early_uart(void); + void setup_pcat_compatibility(void);
void isa_unmap_rom(u32 addr); diff --git a/arch/x86/lib/fsp/fsp_support.c b/arch/x86/lib/fsp/fsp_support.c index 8b639f7..5f96da1 100644 --- a/arch/x86/lib/fsp/fsp_support.c +++ b/arch/x86/lib/fsp/fsp_support.c @@ -124,6 +124,10 @@ void fsp_init(u32 stack_top, u32 boot_mode, void *nvs_buf) struct fsp_init_params *params_ptr; struct upd_region *fsp_upd;
+#ifdef CONFIG_DEBUG_UART + setup_early_uart(); +#endif + fsp_hdr = find_fsp_header(); if (fsp_hdr == NULL) { /* No valid FSP info header was found */