diff options
| author | Simon Glass <sjg@chromium.org> | 2015-01-27 22:13:42 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-02-06 12:07:38 -0700 |
| commit | 447f8b018e5e5bc5b6958ce6ed8f79e8c35c30af (patch) | |
| tree | 8e75ccfa3d56a0b6e68a8c148fac401d9cd0d68b /arch/x86 | |
| parent | 8ce24cd9919b9d7157a800e0fd1ec653730c937e (diff) | |
| download | u-boot-imx-447f8b018e5e5bc5b6958ce6ed8f79e8c35c30af.zip u-boot-imx-447f8b018e5e5bc5b6958ce6ed8f79e8c35c30af.tar.gz u-boot-imx-447f8b018e5e5bc5b6958ce6ed8f79e8c35c30af.tar.bz2 | |
x86: Allow a UART to be set up before the FSP is ready
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>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/u-boot-x86.h | 3 | ||||
| -rw-r--r-- | arch/x86/lib/fsp/fsp_support.c | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h index b98afa8..5d7dff5 100644 --- a/arch/x86/include/asm/u-boot-x86.h +++ b/arch/x86/include/asm/u-boot-x86.h @@ -45,6 +45,9 @@ ulong board_get_usable_ram_top(ulong total_size); void dram_init_banksize(void); int default_print_cpuinfo(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 */ |