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ARM: socfpga: Init missing security policies on A10

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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>
This commit is contained in:
Marek Vasut 2018-07-12 15:34:23 +02:00
parent 937db7188e
commit 42f4b83b52
1 changed files with 13 additions and 0 deletions
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13
arch/arm/mach-socfpga/misc_arria10.c
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@ -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)