1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2016-2017 Intel Corporation
14 #include <asm/arch/misc.h>
15 #include <asm/arch/pinmux.h>
16 #include <asm/arch/reset_manager.h>
17 #include <asm/arch/reset_manager_arria10.h>
18 #include <asm/arch/sdram_arria10.h>
19 #include <asm/arch/system_manager.h>
20 #include <asm/arch/nic301.h>
22 #include <asm/pl310.h>
24 #define PINMUX_UART0_TX_SHARED_IO_OFFSET_Q1_3 0x08
25 #define PINMUX_UART0_TX_SHARED_IO_OFFSET_Q2_11 0x58
26 #define PINMUX_UART0_TX_SHARED_IO_OFFSET_Q3_3 0x68
27 #define PINMUX_UART1_TX_SHARED_IO_OFFSET_Q1_7 0x18
28 #define PINMUX_UART1_TX_SHARED_IO_OFFSET_Q3_7 0x78
29 #define PINMUX_UART1_TX_SHARED_IO_OFFSET_Q4_3 0x98
31 #if defined(CONFIG_SPL_BUILD)
32 static struct pl310_regs *const pl310 =
33 (struct pl310_regs *)CONFIG_SYS_PL310_BASE;
34 static const struct socfpga_noc_fw_ocram *noc_fw_ocram_base =
35 (void *)SOCFPGA_SDR_FIREWALL_OCRAM_ADDRESS;
38 static struct socfpga_system_manager *sysmgr_regs =
39 (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
41 #if defined(CONFIG_SPL_BUILD)
43 + * This function initializes security policies to be consistent across
44 + * all logic units in the Arria 10.
46 + * The idea is to set all security policies to be normal, nonsecure
49 static void initialize_security_policies(void)
51 /* Put OCRAM in non-secure */
52 writel(0x003f0000, &noc_fw_ocram_base->region0);
53 writel(0x1, &noc_fw_ocram_base->enable);
55 /* Put DDR in non-secure */
56 writel(0xffff0000, SOCFPGA_SDR_FIREWALL_L3_ADDRESS + 0xc);
57 writel(0x1, SOCFPGA_SDR_FIREWALL_L3_ADDRESS);
59 /* Enable priviledged and non-priviledged access to L4 peripherals */
60 writel(~0, SOCFPGA_NOC_L4_PRIV_FLT_OFST);
62 /* Enable secure and non-secure transactions to bridges */
63 writel(~0, SOCFPGA_NOC_FW_H2F_SCR_OFST);
64 writel(~0, SOCFPGA_NOC_FW_H2F_SCR_OFST + 4);
66 writel(0x0007FFFF, &sysmgr_regs->ecc_intmask_set);
69 int arch_early_init_r(void)
71 initialize_security_policies();
73 /* Configure the L2 controller to make SDRAM start at 0 */
74 writel(0x1, &pl310->pl310_addr_filter_start);
76 /* assert reset to all except L4WD0 and L4TIMER0 */
77 socfpga_per_reset_all();
82 int arch_early_init_r(void)
89 * Print CPU information
91 #if defined(CONFIG_DISPLAY_CPUINFO)
92 int print_cpuinfo(void)
95 SYSMGR_GET_BOOTINFO_BSEL(readl(&sysmgr_regs->bootinfo));
97 puts("CPU: Altera SoCFPGA Arria 10\n");
99 printf("BOOT: %s\n", bsel_str[bsel].name);
104 void do_bridge_reset(int enable)
107 socfpga_reset_deassert_bridges_handoff();
109 socfpga_bridges_reset();