[RESEND v2 03/22] arm: socfpga: dm: Add firewall support for Agilex and Diamond Mesa

[Tan, Ley Foon]

> -----Original Message-----
> From: Lim, Elly Siew Chin <elly.siew.chin.lim at intel.com>
> Sent: Tuesday, November 10, 2020 2:44 PM
> To: u-boot at lists.denx.de
> Cc: Marek Vasut <marex at denx.de>; Tan, Ley Foon
> <ley.foon.tan at intel.com>; See, Chin Liang <chin.liang.see at intel.com>;
> Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>; Chee, Tien Fong
> <tien.fong.chee at intel.com>; Westergreen, Dalon
> <dalon.westergreen at intel.com>; Simon Glass <sjg at chromium.org>; Gan,
> Yau Wai <yau.wai.gan at intel.com>; Lim, Elly Siew Chin
> <elly.siew.chin.lim at 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.lim at 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