> -----Original Message-----
> From: Lim, Elly Siew Chin <elly.siew.chin....@intel.com>
> Sent: Tuesday, November 10, 2020 2:44 PM
> To: u-boot@lists.denx.de
> Cc: Marek Vasut <ma...@denx.de>; Tan, Ley Foon
> <ley.foon....@intel.com>; See, Chin Liang <chin.liang....@intel.com>;
> Simon Goldschmidt <simon.k.r.goldschm...@gmail.com>; Chee, Tien Fong
> <tien.fong.c...@intel.com>; Westergreen, Dalon
> <dalon.westergr...@intel.com>; Simon Glass <s...@chromium.org>; Gan,
> Yau Wai <yau.wai....@intel.com>; Lim, Elly Siew Chin
> <elly.siew.chin....@intel.com>
> Subject: [RESEND v2 03/22] arm: socfpga: dm: Add firewall support for Agilex
> and Diamond Mesa
>
> Disable the MPFE firewall for SMMU and HMC adapter for Agilex and
> Diamond Mesa.
>
> Signed-off-by: Siew Chin Lim <elly.siew.chin....@intel.com>
> ---
> arch/arm/mach-socfpga/firewall.c | 10 ++++++++++
> arch/arm/mach-socfpga/include/mach/base_addr_s10.h | 1 +
> arch/arm/mach-socfpga/include/mach/firewall.h | 6 ++++++
> 3 files changed, 17 insertions(+)
>
> diff --git a/arch/arm/mach-socfpga/firewall.c b/arch/arm/mach-
> socfpga/firewall.c
> index 69229dc651..b87cc8aa69 100644
> --- a/arch/arm/mach-socfpga/firewall.c
> +++ b/arch/arm/mach-socfpga/firewall.c
> @@ -104,4 +104,14 @@ void firewall_setup(void)
> socfpga_get_sysmgr_addr() + SYSMGR_SOC64_DMA);
> writel(SYSMGR_DMAPERIPH_ALL_NS,
> socfpga_get_sysmgr_addr() + SYSMGR_SOC64_DMA_PERIPH);
> +
> +#if defined(CONFIG_TARGET_SOCFPGA_AGILEX) ||
> defined(CONFIG_TARGET_SOCFPGA_DM)
> + /* Disable the MPFE Firewall for SMMU */
> + writel(FIREWALL_MPFE_SCR_DISABLE_ALL,
> SOCFPGA_FW_MPFE_SCR_ADDRESS +
> + FW_MPFE_SCR_HMC);
> + /* Disable MPFE Firewall for HMC adapter (ECC) */
> + writel(FIREWALL_MPFE_SCR_DISABLE_MPU,
> SOCFPGA_FW_MPFE_SCR_ADDRESS +
> + FW_MPFE_SCR_HMC_ADAPTOR);
> +#endif
Stratix 10 also has these registers. Why Stratix 10 doesn't need this?
Regards
Ley Foon
