On 9 March 2015 at 03:02, Bin Meng <[email protected]> wrote: > On Fri, Mar 6, 2015 at 3:25 AM, Simon Glass <[email protected]> wrote: >> Since driver model is set up after arch_cpu_init(), that function cannot >> use drivers. Add a new arch_cpu_init_dm() function which is called >> immediately after driver model is ready, and can reference devices. >> >> This can be used to probe essential devices for the CPU. >> >> Signed-off-by: Simon Glass <[email protected]> >> --- >> >> Changes in v2: >> - Add a new patch with a CPU init function which can use driver model >> >> common/board_f.c | 6 ++++++ >> include/common.h | 11 +++++++++++ >> 2 files changed, 17 insertions(+) >> >> diff --git a/common/board_f.c b/common/board_f.c >> index 4d8b8a6..8bbece2 100644 >> --- a/common/board_f.c >> +++ b/common/board_f.c >> @@ -787,6 +787,11 @@ __weak int reserve_arch(void) >> return 0; >> } >> >> +__weak int arch_cpu_init_dm(void) >> +{ >> + return 0; >> +} >> + >> static init_fnc_t init_sequence_f[] = { >> #ifdef CONFIG_SANDBOX >> setup_ram_buf, >> @@ -807,6 +812,7 @@ static init_fnc_t init_sequence_f[] = { >> fdtdec_check_fdt, >> #endif >> initf_dm, >> + arch_cpu_init_dm, >> #if defined(CONFIG_BOARD_EARLY_INIT_F) >> board_early_init_f, >> #endif >> diff --git a/include/common.h b/include/common.h >> index 77c55c6..f9aaaa5 100644 >> --- a/include/common.h >> +++ b/include/common.h >> @@ -253,6 +253,17 @@ int update_flash_size(int flash_size); >> int arch_early_init_r(void); >> >> /** >> + * arch_cpu_init_dm() - init CPU after driver model is available >> + * >> + * This is called immediately after driver model is available before >> + * relocation. This is similar to arch_cpu_init() but is able to reference >> + * devices >> + * >> + * @return 0 if OK, -ve on error >> + */ >> +int arch_cpu_init_dm(void); >> + >> +/** >> * Reserve all necessary stacks >> * >> * This is used in generic board init sequence in common/board_f.c. Each >> -- > > Reviewed-by: Bin Meng <[email protected]>
Applied to u-boot-dm/next. _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
