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 <marex@denx.de>
Cc: Chin Liang See <chin.liang.see@intel.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>

diff --git a/arch/arm/mach-socfpga/misc_arria10.c b/arch/arm/mach-socfpga/misc_arria10.c
index a75cbc4ce6c59ac0a891d5a2fb9384a0250dd4f7..80bf2f036f81b8a7812c049fc44bbf2dbf6e8600 100644 (file)
--- 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)