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d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
85 lines
2 KiB
C
85 lines
2 KiB
C
/*
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* (C) Copyright 2007 Michal Simek
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* (C) Copyright 2004 Atmark Techno, Inc.
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*
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* Michal SIMEK <monstr@monstr.eu>
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* Yasushi SHOJI <yashi@atmark-techno.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#include <fdt_support.h>
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#include <image.h>
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#include <u-boot/zlib.h>
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#include <asm/byteorder.h>
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int do_bootm_linux(int flag, int argc, char * const argv[],
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bootm_headers_t *images)
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{
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/* First parameter is mapped to $r5 for kernel boot args */
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void (*thekernel) (char *, ulong, ulong);
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char *commandline = env_get("bootargs");
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ulong rd_data_start, rd_data_end;
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/*
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* allow the PREP bootm subcommand, it is required for bootm to work
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*/
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if (flag & BOOTM_STATE_OS_PREP)
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return 0;
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if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
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return 1;
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int ret;
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char *of_flat_tree = NULL;
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#if defined(CONFIG_OF_LIBFDT)
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/* did generic code already find a device tree? */
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if (images->ft_len)
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of_flat_tree = images->ft_addr;
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#endif
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thekernel = (void (*)(char *, ulong, ulong))images->ep;
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/* find ramdisk */
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ret = boot_get_ramdisk(argc, argv, images, IH_ARCH_MICROBLAZE,
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&rd_data_start, &rd_data_end);
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if (ret)
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return 1;
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bootstage_mark(BOOTSTAGE_ID_RUN_OS);
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if (!of_flat_tree && argc > 1)
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of_flat_tree = (char *)simple_strtoul(argv[1], NULL, 16);
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/* fixup the initrd now that we know where it should be */
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if (images->rd_start && images->rd_end && of_flat_tree) {
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ret = fdt_initrd(of_flat_tree, images->rd_start,
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images->rd_end);
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if (ret)
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return 1;
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}
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#ifdef DEBUG
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printf("## Transferring control to Linux (at address 0x%08lx) ",
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(ulong)thekernel);
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printf("ramdisk 0x%08lx, FDT 0x%08lx...\n",
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rd_data_start, (ulong) of_flat_tree);
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#endif
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#ifdef XILINX_USE_DCACHE
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flush_cache(0, XILINX_DCACHE_BYTE_SIZE);
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#endif
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/*
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* Linux Kernel Parameters (passing device tree):
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* r5: pointer to command line
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* r6: pointer to ramdisk
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* r7: pointer to the fdt, followed by the board info data
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*/
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thekernel(commandline, rd_data_start, (ulong)of_flat_tree);
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/* does not return */
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return 1;
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}
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