From 42f4b83b52735d698bf3f3de2665bf6d42db9f1c Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Thu, 12 Jul 2018 15:34:23 +0200 Subject: [PATCH] ARM: socfpga: Init missing security policies on A10 The Arria10 requires proper configuration of the NOC firewall, otherwise the access to certain areas of the LWHPS bridge fails in Linux. Add the missing setup. Signed-off-by: Marek Vasut Cc: Chin Liang See Cc: Dinh Nguyen --- arch/arm/mach-socfpga/misc_arria10.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/mach-socfpga/misc_arria10.c b/arch/arm/mach-socfpga/misc_arria10.c index a75cbc4ce6..80bf2f036f 100644 --- a/arch/arm/mach-socfpga/misc_arria10.c +++ b/arch/arm/mach-socfpga/misc_arria10.c @@ -93,6 +93,19 @@ static void initialize_security_policies(void) /* Put OCRAM in non-secure */ writel(0x003f0000, &noc_fw_ocram_base->region0); writel(0x1, &noc_fw_ocram_base->enable); + + /* Put DDR in non-secure */ + writel(0xffff0000, SOCFPGA_SDR_FIREWALL_L3_ADDRESS + 0xc); + writel(0x1, SOCFPGA_SDR_FIREWALL_L3_ADDRESS); + + /* Enable priviledged and non-priviledged access to L4 peripherals */ + writel(~0, SOCFPGA_NOC_L4_PRIV_FLT_OFST); + + /* Enable secure and non-secure transactions to bridges */ + writel(~0, SOCFPGA_NOC_FW_H2F_SCR_OFST); + writel(~0, SOCFPGA_NOC_FW_H2F_SCR_OFST + 4); + + writel(0x0007FFFF, &sysmgr_regs->ecc_intmask_set); } int arch_early_init_r(void) -- 2.30.2