diff options
author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/mach-socfpga/misc_arria10.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/mach-socfpga/misc_arria10.c')
-rw-r--r-- | roms/u-boot/arch/arm/mach-socfpga/misc_arria10.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-socfpga/misc_arria10.c b/roms/u-boot/arch/arm/mach-socfpga/misc_arria10.c new file mode 100644 index 000000000..bf978053c --- /dev/null +++ b/roms/u-boot/arch/arm/mach-socfpga/misc_arria10.c @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016-2017 Intel Corporation + */ + +#include <altera.h> +#include <common.h> +#include <errno.h> +#include <fdtdec.h> +#include <init.h> +#include <miiphy.h> +#include <netdev.h> +#include <ns16550.h> +#include <watchdog.h> +#include <asm/arch/misc.h> +#include <asm/arch/pinmux.h> +#include <asm/arch/reset_manager.h> +#include <asm/arch/reset_manager_arria10.h> +#include <asm/arch/sdram_arria10.h> +#include <asm/arch/system_manager.h> +#include <asm/arch/nic301.h> +#include <asm/io.h> +#include <asm/pl310.h> + +#define PINMUX_UART0_TX_SHARED_IO_OFFSET_Q1_3 0x08 +#define PINMUX_UART0_TX_SHARED_IO_OFFSET_Q2_11 0x58 +#define PINMUX_UART0_TX_SHARED_IO_OFFSET_Q3_3 0x68 +#define PINMUX_UART1_TX_SHARED_IO_OFFSET_Q1_7 0x18 +#define PINMUX_UART1_TX_SHARED_IO_OFFSET_Q3_7 0x78 +#define PINMUX_UART1_TX_SHARED_IO_OFFSET_Q4_3 0x98 + +/* + * FPGA programming support for SoC FPGA Arria 10 + */ +static Altera_desc altera_fpga[] = { + { + /* Family */ + Altera_SoCFPGA, + /* Interface type */ + fast_passive_parallel, + /* No limitation as additional data will be ignored */ + -1, + /* No device function table */ + NULL, + /* Base interface address specified in driver */ + NULL, + /* No cookie implementation */ + 0 + }, +}; + +#if defined(CONFIG_SPL_BUILD) +static struct pl310_regs *const pl310 = + (struct pl310_regs *)CONFIG_SYS_PL310_BASE; +static const struct socfpga_noc_fw_ocram *noc_fw_ocram_base = + (void *)SOCFPGA_SDR_FIREWALL_OCRAM_ADDRESS; + +/* ++ * This function initializes security policies to be consistent across ++ * all logic units in the Arria 10. ++ * ++ * The idea is to set all security policies to be normal, nonsecure ++ * for all units. ++ */ +void socfpga_init_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, + socfpga_get_sysmgr_addr() + SYSMGR_A10_ECC_INTMASK_SET); +} + +void socfpga_sdram_remap_zero(void) +{ + /* Configure the L2 controller to make SDRAM start at 0 */ + writel(0x1, &pl310->pl310_addr_filter_start); +} +#endif + +int arch_early_init_r(void) +{ + /* Add device descriptor to FPGA device table */ + socfpga_fpga_add(&altera_fpga[0]); + + return 0; +} + +/* + * Print CPU information + */ +#if defined(CONFIG_DISPLAY_CPUINFO) +int print_cpuinfo(void) +{ + const u32 bootinfo = readl(socfpga_get_sysmgr_addr() + + SYSMGR_A10_BOOTINFO); + const u32 bsel = SYSMGR_GET_BOOTINFO_BSEL(bootinfo); + + puts("CPU: Altera SoCFPGA Arria 10\n"); + + printf("BOOT: %s\n", bsel_str[bsel].name); + return 0; +} +#endif + +void do_bridge_reset(int enable, unsigned int mask) +{ + if (enable) + socfpga_reset_deassert_bridges_handoff(); + else + socfpga_bridges_reset(); +} |