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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2011 Andes Technology Corporation
- * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
- * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- * Rick Chen, Andes Technology Corporation <rick@andestech.com>
- */
- #include <common.h>
- #include <command.h>
- #include <image.h>
- #include <asm/byteorder.h>
- #include <asm/csr.h>
- #include <dm/device.h>
- #include <dm/root.h>
- #include <u-boot/zlib.h>
- DECLARE_GLOBAL_DATA_PTR;
- __weak void board_quiesce_devices(void)
- {
- }
- int arch_fixup_fdt(void *blob)
- {
- return 0;
- }
- int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
- {
- void (*kernel)(ulong hart, void *dtb);
- /*
- * allow the PREP bootm subcommand, it is required for bootm to work
- */
- if (flag & BOOTM_STATE_OS_PREP)
- return 0;
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
- kernel = (void (*)(ulong, void *))images->ep;
- bootstage_mark(BOOTSTAGE_ID_RUN_OS);
- debug("## Transferring control to Linux (at address %08lx) ...\n",
- (ulong)kernel);
- if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
- #ifdef CONFIG_OF_LIBFDT
- debug("using: FDT\n");
- if (image_setup_linux(images)) {
- printf("FDT creation failed! hanging...");
- hang();
- }
- #endif
- }
- /* we assume that the kernel is in place */
- printf("\nStarting kernel ...\n\n");
- /*
- * Call remove function of all devices with a removal flag set.
- * This may be useful for last-stage operations, like cancelling
- * of DMA operation or releasing device internal buffers.
- */
- dm_remove_devices_flags(DM_REMOVE_ACTIVE_ALL);
- cleanup_before_linux();
- if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)
- kernel(csr_read(mhartid), images->ft_addr);
- /* does not return */
- return 1;
- }
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