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-rw-r--r--roms/u-boot/arch/arm/mach-zynq/spl.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-zynq/spl.c b/roms/u-boot/arch/arm/mach-zynq/spl.c
new file mode 100644
index 000000000..d09141c3b
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/spl.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2014 - 2017 Xilinx, Inc. Michal Simek
+ */
+#include <common.h>
+#include <debug_uart.h>
+#include <hang.h>
+#include <image.h>
+#include <init.h>
+#include <log.h>
+#include <spl.h>
+
+#include <asm/io.h>
+#include <asm/spl.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/ps7_init_gpl.h>
+
+void board_init_f(ulong dummy)
+{
+ ps7_init();
+
+ arch_cpu_init();
+
+#ifdef CONFIG_DEBUG_UART
+ /* Uart debug for sure */
+ debug_uart_init();
+ puts("Debug uart enabled\n"); /* or printch() */
+#endif
+}
+
+#ifdef CONFIG_SPL_BOARD_INIT
+void spl_board_init(void)
+{
+ preloader_console_init();
+#if defined(CONFIG_ARCH_EARLY_INIT_R) && defined(CONFIG_SPL_FPGA)
+ arch_early_init_r();
+#endif
+ board_init();
+}
+#endif
+
+u32 spl_boot_device(void)
+{
+ u32 mode;
+
+ switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
+#ifdef CONFIG_SPL_SPI_SUPPORT
+ case ZYNQ_BM_QSPI:
+ mode = BOOT_DEVICE_SPI;
+ break;
+#endif
+ case ZYNQ_BM_NAND:
+ mode = BOOT_DEVICE_NAND;
+ break;
+ case ZYNQ_BM_NOR:
+ mode = BOOT_DEVICE_NOR;
+ break;
+#ifdef CONFIG_SPL_MMC_SUPPORT
+ case ZYNQ_BM_SD:
+ mode = BOOT_DEVICE_MMC1;
+ break;
+#endif
+ case ZYNQ_BM_JTAG:
+ mode = BOOT_DEVICE_RAM;
+ break;
+ default:
+ puts("Unsupported boot mode selected\n");
+ hang();
+ }
+
+ return mode;
+}
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+ /* boot linux */
+ return 0;
+}
+#endif
+
+void spl_board_prepare_for_boot(void)
+{
+ ps7_post_config();
+ debug("SPL bye\n");
+}