1 files changed, 105 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/spl_a10.c b/arch/arm/mach-socfpga/spl_a10.c
new file mode 100644
index 0000000000..e6fc766fca
--- /dev/null
+++ b/arch/arm/mach-socfpga/spl_a10.c
@@ -0,0 +1,105 @@
+/*
+ *  Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/pl310.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+#include <image.h>
+#include <asm/arch/reset_manager.h>
+#include <spl.h>
+#include <asm/arch/system_manager.h>
+#include <asm/arch/freeze_controller.h>
+#include <asm/arch/clock_manager.h>
+#include <asm/arch/scan_manager.h>
+#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>
+#include <asm/arch/pinmux.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+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 (SYSMGR_GET_BOOTINFO_BSEL(bsel)) {
+	case 0x1:	/* FPGA (HPS2FPGA Bridge) */
+		return BOOT_DEVICE_RAM;
+	case 0x2:	/* NAND Flash (1.8V) */
+	case 0x3:	/* NAND Flash (3.0V) */
+		socfpga_per_reset(SOCFPGA_RESET(NAND), 0);
+		return BOOT_DEVICE_NAND;
+	case 0x4:	/* SD/MMC External Transceiver (1.8V) */
+	case 0x5:	/* SD/MMC Internal Transceiver (3.0V) */
+		socfpga_per_reset(SOCFPGA_RESET(SDMMC), 0);
+		socfpga_per_reset(SOCFPGA_RESET(DMA), 0);
+		return BOOT_DEVICE_MMC1;
+	case 0x6:	/* QSPI Flash (1.8V) */
+	case 0x7:	/* QSPI Flash (3.0V) */
+		socfpga_per_reset(SOCFPGA_RESET(QSPI), 0);
+		return BOOT_DEVICE_SPI;
+	default:
+		printf("Invalid boot device (bsel=%08x)!\n", bsel);
+		hang();
+	}
+}
+
+#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
+
+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 */
+}