SPDX: Convert all of our single license tags to Linux Kernel style

[u-boot] / arch / arm / mach-socfpga / spl.c

diff --git a/arch/arm/mach-socfpga/spl.c b/arch/arm/mach-socfpga/spl.c
index fec4c7a991019725b4523c1d1b0099abc973d453..4b86eadd815a001ddb6ab0969fdd4468b8638c71 100644 (file)
--- a/arch/arm/mach-socfpga/spl.c
+++ b/arch/arm/mach-socfpga/spl.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  *  Copyright (C) 2012 Altera Corporation <www.altera.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -19,23 +18,32 @@
 #include <asm/arch/sdram.h>
 #include <asm/arch/scu.h>
 #include <asm/arch/nic301.h>
+#include <asm/sections.h>
+#include <fdtdec.h>
+#include <watchdog.h>
+#if defined(CONFIG_TARGET_SOCFPGA_ARRIA10)
+#include <asm/arch/pinmux.h>
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
 static struct pl310_regs *const pl310 =
        (struct pl310_regs *)CONFIG_SYS_PL310_BASE;
 static struct scu_registers *scu_regs =
        (struct scu_registers *)SOCFPGA_MPUSCU_ADDRESS;
 static struct nic301_registers *nic301_regs =
        (struct nic301_registers *)SOCFPGA_L3REGS_ADDRESS;
-static struct socfpga_system_manager *sysmgr_regs =
+#endif
+
+static const struct socfpga_system_manager *sysmgr_regs =
        (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
 
 u32 spl_boot_device(void)
 {
        const u32 bsel = readl(&sysmgr_regs->bootinfo);
 
-       switch (bsel & 0x7) {
+       switch (SYSMGR_GET_BOOTINFO_BSEL(bsel)) {
        case 0x1:       /* FPGA (HPS2FPGA Bridge) */
                return BOOT_DEVICE_RAM;
        case 0x2:       /* NAND Flash (1.8V) */
@@ -57,17 +65,7 @@ u32 spl_boot_device(void)
        }
 }
 
-#ifdef CONFIG_SPL_MMC_SUPPORT
-u32 spl_boot_mode(const u32 boot_device)
-{
-#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
-       return MMCSD_MODE_FS;
-#else
-       return MMCSD_MODE_RAW;
-#endif
-}
-#endif
-
+#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
 static void socfpga_nic301_slave_ns(void)
 {
        writel(0x1, &nic301_regs->lwhps2fpgaregs);
@@ -127,7 +125,8 @@ void board_init_f(ulong dummy)
 
        debug("Reconfigure Clock Manager\n");
        /* reconfigure the PLLs */
-       cm_basic_init(cm_default_cfg);
+       if (cm_basic_init(cm_default_cfg))
+               hang();
 
        /* Enable bootrom to configure IOs. */
        sysmgr_config_warmrstcfgio(1);
@@ -182,3 +181,42 @@ void board_init_f(ulong dummy)
        /* Configure simple malloc base pointer into RAM. */
        gd->malloc_base = CONFIG_SYS_TEXT_BASE + (1024 * 1024);
 }
+#elif defined(CONFIG_TARGET_SOCFPGA_ARRIA10)
+void spl_board_init(void)
+{
+       /* configuring the clock based on handoff */
+       cm_basic_init(gd->fdt_blob);
+       WATCHDOG_RESET();
+
+       config_dedicated_pins(gd->fdt_blob);
+       WATCHDOG_RESET();
+
+       /* Release UART from reset */
+       socfpga_reset_uart(0);
+
+       /* enable console uart printing */
+       preloader_console_init();
+}
+
+void board_init_f(ulong dummy)
+{
+       /*
+        * Configure Clock Manager to use intosc clock instead external osc to
+        * ensure success watchdog operation. We do it as early as possible.
+        */
+       cm_use_intosc();
+
+       socfpga_watchdog_disable();
+
+       arch_early_init_r();
+
+#ifdef CONFIG_HW_WATCHDOG
+       /* release osc1 watchdog timer 0 from reset */
+       socfpga_reset_deassert_osc1wd0();
+
+       /* reconfigure and enable the watchdog */
+       hw_watchdog_init();
+       WATCHDOG_RESET();
+#endif /* CONFIG_HW_WATCHDOG */
+}
+#endif