From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bin Meng Date: Thu, 23 Apr 2020 19:03:32 +0800 Subject: [RESEND PATCH v3 5/7] board: Add a gd flag for chain loading In-Reply-To: <20200408185755.116336-5-sjg@chromium.org> References: <20200408185755.116336-1-sjg@chromium.org> <20200408185755.116336-5-sjg@chromium.org> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Simon, On Thu, Apr 9, 2020 at 2:58 AM Simon Glass wrote: > > When U-Boot is run from another boot loader, much of the low-level init > needs to be skipped. > > Add a flag for this and adjust ll_boot_init() to use it. > > Signed-off-by: Simon Glass > --- > > Changes in v3: > - Add a new patch with a gd flag for chain loading > > Changes in v2: None > > include/asm-generic/global_data.h | 1 + > include/init.h | 2 +- > 2 files changed, 2 insertions(+), 1 deletion(-) > > diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h > index 5d027329fe0..3dc51e49ef7 100644 > --- a/include/asm-generic/global_data.h > +++ b/include/asm-generic/global_data.h > @@ -166,5 +166,6 @@ typedef struct global_data { > #define GD_FLG_SPL_EARLY_INIT 0x04000 /* Early SPL init is done */ > #define GD_FLG_LOG_READY 0x08000 /* Log system is ready for use */ > #define GD_FLG_WDT_READY 0x10000 /* Watchdog is ready for use */ > +#define GD_FLG_NO_LL_INIT 0x20000 /* Don't perform low-level init */ How about GD_FLG_SKIP_LL_INIT ? > > #endif /* __ASM_GENERIC_GBL_DATA_H */ > diff --git a/include/init.h b/include/init.h > index 2a33a3fd1e4..64fdf124916 100644 > --- a/include/init.h > +++ b/include/init.h > @@ -20,7 +20,7 @@ struct global_data; > #ifdef CONFIG_EFI_STUB > #define ll_boot_init() false > #else > -#define ll_boot_init() true > +#define ll_boot_init() (!(gd->flags & GD_FLG_NO_LL_INIT)) > #endif Regards, Bin