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Versal NET loadpdi command is used for loading secure & non-secure pdi images. Signed-off-by: Algapally Santosh Sagar <santoshsagar.algapally@amd.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/f43709af894b669833770acb39ff5856fecf6d66.1684761656.git.michal.simek@amd.com
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2023, Advanced Micro Devices, Inc.
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*
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* Michal Simek <michal.simek@amd.com>
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*/
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#include <cpu_func.h>
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#include <command.h>
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#include <common.h>
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#include <log.h>
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#include <memalign.h>
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#include <versalpl.h>
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#include <zynqmp_firmware.h>
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/**
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* do_versalnet_load_pdi - Handle the "versalnet load pdi" command-line command
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* @cmdtp: Command data struct pointer
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* @flag: Command flag
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* @argc: Command-line argument count
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* @argv: Array of command-line arguments
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*
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* Processes the Versal NET load pdi command
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*
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* Return: return 0 on success, Error value if command fails.
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* CMD_RET_USAGE incase of incorrect/missing parameters.
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*/
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static int do_versalnet_load_pdi(struct cmd_tbl *cmdtp, int flag, int argc,
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char * const argv[])
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{
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u32 buf_lo, buf_hi;
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u32 ret_payload[PAYLOAD_ARG_CNT];
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ulong addr, *pdi_buf;
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size_t len;
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int ret;
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if (argc != cmdtp->maxargs) {
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debug("pdi_load: incorrect parameters passed\n");
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return CMD_RET_USAGE;
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}
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addr = simple_strtol(argv[1], NULL, 16);
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if (!addr) {
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debug("pdi_load: zero pdi_data address\n");
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return CMD_RET_USAGE;
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}
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len = hextoul(argv[2], NULL);
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if (!len) {
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debug("pdi_load: zero size\n");
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return CMD_RET_USAGE;
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}
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pdi_buf = (ulong *)ALIGN((ulong)addr, ARCH_DMA_MINALIGN);
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if ((ulong)addr != (ulong)pdi_buf) {
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memcpy((void *)pdi_buf, (void *)addr, len);
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debug("Pdi addr:0x%lx aligned to 0x%lx\n",
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addr, (ulong)pdi_buf);
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}
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flush_dcache_range((ulong)pdi_buf, (ulong)pdi_buf + len);
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buf_lo = lower_32_bits((ulong)pdi_buf);
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buf_hi = upper_32_bits((ulong)pdi_buf);
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ret = xilinx_pm_request(VERSAL_PM_LOAD_PDI, VERSAL_PM_PDI_TYPE, buf_lo,
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buf_hi, 0, ret_payload);
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if (ret)
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printf("PDI load failed with err: 0x%08x\n", ret);
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return cmd_process_error(cmdtp, ret);
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}
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static char versalnet_help_text[] =
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"loadpdi addr len - Load pdi image\n"
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"load pdi image at ddr address 'addr' with pdi image size 'len'\n"
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;
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U_BOOT_CMD_WITH_SUBCMDS(versalnet, "Versal NET sub-system", versalnet_help_text,
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U_BOOT_SUBCMD_MKENT(loadpdi, 3, 1,
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do_versalnet_load_pdi));
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