Signed-off-by: Siew Chin Lim elly.siew.chin.lim@intel.com --- arch/arm/mach-socfpga/spl_dm.c | 93 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 arch/arm/mach-socfpga/spl_dm.c
diff --git a/arch/arm/mach-socfpga/spl_dm.c b/arch/arm/mach-socfpga/spl_dm.c new file mode 100644 index 0000000000..ef664f4426 --- /dev/null +++ b/arch/arm/mach-socfpga/spl_dm.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 Intel Corporation <www.intel.com> + * + */ + +#include <asm/io.h> +#include <asm/u-boot.h> +#include <asm/utils.h> +#include <common.h> +#include <hang.h> +#include <image.h> +#include <init.h> +#include <spl.h> +#include <asm/arch/clock_manager.h> +#include <asm/arch/firewall.h> +#include <asm/arch/mailbox_s10.h> +#include <asm/arch/misc.h> +#include <asm/arch/reset_manager.h> +#include <asm/arch/system_manager.h> +#include <watchdog.h> +#include <dm/uclass.h> + +DECLARE_GLOBAL_DATA_PTR; + +void board_init_f(ulong dummy) +{ + int ret; + struct udevice *dev; + + ret = spl_early_init(); + if (ret) + hang(); + + socfpga_get_managers_addr(); + + /* Ensure watchdog is paused when debugging is happening */ + writel(SYSMGR_WDDBG_PAUSE_ALL_CPU, + socfpga_get_sysmgr_addr() + SYSMGR_SOC64_WDDBG); + +#ifdef CONFIG_HW_WATCHDOG + /* Enable watchdog before initializing the HW */ + socfpga_per_reset(SOCFPGA_RESET(L4WD0), 1); + socfpga_per_reset(SOCFPGA_RESET(L4WD0), 0); + hw_watchdog_init(); +#endif + + /* ensure all processors are not released prior Linux boot */ + writeq(0, CPU_RELEASE_ADDR); + + timer_init(); + + sysmgr_pinmux_init(); + + preloader_console_init(); + + ret = uclass_get_device(UCLASS_CLK, 0, &dev); + if (ret) { + printf("Clock init failed: %d\n", ret); + hang(); + } + + ret = uclass_get_device(UCLASS_CLK, 1, &dev); + if (ret) { + printf("Memory clock init failed: %d\n", ret); + hang(); + } + + print_reset_info(); + cm_print_clock_quick_summary(); + + firewall_setup(); + + ret = uclass_get_device(UCLASS_CACHE, 0, &dev); + if (ret) { + printf("CCU init failed: %d\n", ret); + hang(); + } + +#if CONFIG_IS_ENABLED(ALTERA_SDRAM) + ret = uclass_get_device(UCLASS_RAM, 0, &dev); + if (ret) { + printf("DRAM init failed: %d\n", ret); + hang(); + } +#endif + + mbox_init(); + +#ifdef CONFIG_CADENCE_QSPI + mbox_qspi_open(); +#endif +}