From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shinya Kuribayashi Date: Wed, 19 Nov 2008 23:57:46 +0900 Subject: [U-Boot] [PATCH] MIPS: Add CONFIG_SKIP_LOWLEVEL_INIT In-Reply-To: <1227022582-10094-1-git-send-email-sr@denx.de> References: <1227022582-10094-1-git-send-email-sr@denx.de> Message-ID: <4924296A.30700@ruby.dti.ne.jp> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Stefan Roese wrote: > This patch adds the CONFIG_SKIP_LOWLEVEL_INIT option to start.S. This > enables support for boards where the lowlevel initialization is > already done when U-Boot runs (e.g. via OnChip ROM). > > This will be used in the upcoming VCTH board support. > > Signed-off-by: Stefan Roese Acked-by: Shinya Kuribayashi > --- > cpu/mips/start.S | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/cpu/mips/start.S b/cpu/mips/start.S > index 0a69109..57db589 100644 > --- a/cpu/mips/start.S > +++ b/cpu/mips/start.S > @@ -243,9 +243,11 @@ reset: > mtc0 zero, CP0_COUNT > mtc0 zero, CP0_COMPARE > > +#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) > /* CONFIG0 register */ > li t0, CONF_CM_UNCACHED > mtc0 t0, CP0_CONFIG > +#endif /* !CONFIG_SKIP_LOWLEVEL_INIT */ > > /* Initialize $gp. > */ > @@ -255,6 +257,7 @@ reset: > 1: > lw gp, 0(ra) > > +#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) > /* Initialize any external memory. > */ > la t9, lowlevel_init > @@ -271,6 +274,7 @@ reset: > */ > li t0, CONF_CM_CACHABLE_NONCOHERENT > mtc0 t0, CP0_CONFIG > +#endif /* !CONFIG_SKIP_LOWLEVEL_INIT */ > > /* Set up temporary stack. > */