[U-Boot] [PATCH 2/3] ARM: socfpga: Init missing security policies on A10

[Marek Vasut]

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 at denx.de>
Cc: Chin Liang See <chin.liang.see at intel.com>
Cc: Dinh Nguyen <dinguyen at kernel.org>
---
 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)
-- 
2.16.2