arch/arm/mach-socfpga/board.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Altera SoCFPGA common board code
   4  *
   5  * Copyright (C) 2015 Marek Vasut <marex@denx.de>
   6  */
   7
   8 #include <common.h>
   9 #include <asm/arch/clock_manager.h>
  10 #include <asm/arch/misc.h>
  11 #include <asm/arch/reset_manager.h>
  12 #include <asm/arch/secure_vab.h>
  13 #include <asm/global_data.h>
  14 #include <asm/io.h>
  15 #include <errno.h>
  16 #include <fdtdec.h>
  17 #include <hang.h>
  18 #include <image.h>
  19 #include <init.h>
  20 #include <log.h>
  21 #include <usb.h>
  22 #include <usb/dwc2_udc.h>
  23
  24 DECLARE_GLOBAL_DATA_PTR;
  25
  26 void s_init(void) {
  27 #ifndef CONFIG_ARM64
  28         /*
  29          * Preconfigure ACTLR and CPACR, make sure Write Full Line of Zeroes
  30          * is disabled in ACTLR.
  31          * This is optional on CycloneV / ArriaV.
  32          * This is mandatory on Arria10, otherwise Linux refuses to boot.
  33          */
  34         asm volatile(
  35                 "mcr p15, 0, %0, c1, c0, 1\n"
  36                 "mcr p15, 0, %0, c1, c0, 2\n"
  37                 "isb\n"
  38                 "dsb\n"
  39         ::"r"(0x0));
  40 #endif
  41 }
  42
  43 /*
  44  * Miscellaneous platform dependent initialisations
  45  */
  46 int board_init(void)
  47 {
  48         /* Address of boot parameters for ATAG (if ATAG is used) */
  49         gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;
  50
  51         return 0;
  52 }
  53
  54 int dram_init_banksize(void)
  55 {
  56         fdtdec_setup_memory_banksize();
  57
  58         return 0;
  59 }
  60
  61 #ifdef CONFIG_USB_GADGET
  62 struct dwc2_plat_otg_data socfpga_otg_data = {
  63         .usb_gusbcfg    = 0x1417,
  64 };
  65
  66 int board_usb_init(int index, enum usb_init_type init)
  67 {
  68         int node[2], count;
  69         fdt_addr_t addr;
  70
  71         count = fdtdec_find_aliases_for_id(gd->fdt_blob, "udc",
  72                                            COMPAT_ALTERA_SOCFPGA_DWC2USB,
  73                                            node, 2);
  74         if (count <= 0) /* No controller found. */
  75                 return 0;
  76
  77         addr = fdtdec_get_addr(gd->fdt_blob, node[0], "reg");
  78         if (addr == FDT_ADDR_T_NONE) {
  79                 printf("UDC Controller has no 'reg' property!\n");
  80                 return -EINVAL;
  81         }
  82
  83         /* Patch the address from OF into the controller pdata. */
  84         socfpga_otg_data.regs_otg = addr;
  85
  86         return dwc2_udc_probe(&socfpga_otg_data);
  87 }
  88
  89 int g_dnl_board_usb_cable_connected(void)
  90 {
  91         return 1;
  92 }
  93 #endif
  94
  95 #ifdef CONFIG_SPL_BUILD
  96 __weak int board_fit_config_name_match(const char *name)
  97 {
  98         /* Just empty function now - can't decide what to choose */
  99         debug("%s: %s\n", __func__, name);
 100
 101         return 0;
 102 }
 103 #endif
 104
 105 #if IS_ENABLED(CONFIG_FIT_IMAGE_POST_PROCESS)
 106 void board_fit_image_post_process(const void *fit, int node, void **p_image,
 107                                   size_t *p_size)
 108 {
 109         if (IS_ENABLED(CONFIG_SOCFPGA_SECURE_VAB_AUTH)) {
 110                 if (socfpga_vendor_authentication(p_image, p_size))
 111                         hang();
 112         }
 113 }
 114 #endif
 115
 116 #if !IS_ENABLED(CONFIG_SPL_BUILD) && IS_ENABLED(CONFIG_FIT)
 117 void board_prep_linux(struct bootm_headers *images)
 118 {
 119         if (!images->fit_uname_cfg) {
 120                 if (IS_ENABLED(CONFIG_SOCFPGA_SECURE_VAB_AUTH) &&
 121                     !IS_ENABLED(CONFIG_SOCFPGA_SECURE_VAB_AUTH_ALLOW_NON_FIT_IMAGE)) {
 122                         /*
 123                          * Ensure the OS is always booted from FIT and with
 124                          * VAB signed certificate
 125                          */
 126                         printf("Please use FIT with VAB signed images!\n");
 127                         hang();
 128                 }
 129         } else {
 130                 /* Update fdt_addr in enviroment variable */
 131                 env_set_hex("fdt_addr", (ulong)images->ft_addr);
 132                 debug("images->ft_addr = 0x%08lx\n", (ulong)images->ft_addr);
 133         }
 134
 135         if (IS_ENABLED(CONFIG_CADENCE_QSPI)) {
 136                 if (env_get("linux_qspi_enable"))
 137                         run_command(env_get("linux_qspi_enable"), 0);
 138         }
 139 }
 140 #endif