From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Tue, 5 Mar 2019 20:20:30 +0100 Subject: [U-Boot] [RFC PATCHv1 3/3] ARM: socfpga: let the pl310 driver configure the cache settings In-Reply-To: <20190305190356.9361-4-dinguyen@kernel.org> References: <20190305190356.9361-1-dinguyen@kernel.org> <20190305190356.9361-4-dinguyen@kernel.org> Message-ID: <50192eee-6d63-d9b7-4de1-40b5aeb18e00@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 3/5/19 8:03 PM, Dinh Nguyen wrote: > Load the PL310 L2 cache driver and allow it to setup the cache settings > > Signed-off-by: Dinh Nguyen > --- > arch/arm/mach-socfpga/misc.c | 15 ++------------- > 1 file changed, 2 insertions(+), 13 deletions(-) > > diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c > index fcf211d62b..fb0cfd3c1a 100644 > --- a/arch/arm/mach-socfpga/misc.c > +++ b/arch/arm/mach-socfpga/misc.c > @@ -59,20 +59,9 @@ void enable_caches(void) > #ifdef CONFIG_SYS_L2_PL310 > void v7_outer_cache_enable(void) > { > - /* Disable the L2 cache */ > - clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN); > - > - writel(0x111, &pl310->pl310_tag_latency_ctrl); > - writel(0x121, &pl310->pl310_data_latency_ctrl); > - > - /* enable BRESP, instruction and data prefetch, full line of zeroes */ > - setbits_le32(&pl310->pl310_aux_ctrl, > - L310_AUX_CTRL_DATA_PREFETCH_MASK | > - L310_AUX_CTRL_INST_PREFETCH_MASK | > - L310_SHARED_ATT_OVERRIDE_ENABLE); > + struct udevice *dev; > > - /* Enable the L2 cache */ > - setbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN); > + uclass_first_device(UCLASS_MISC, &dev); Error handling might help here > } > > void v7_outer_cache_disable(void) > -- Best regards, Marek Vasut