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https://github.com/AsahiLinux/u-boot
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104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* (C) Copyright 2020 Xilinx, Inc.
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* Michal Simek <michal.simek@xilinx.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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static int do_versal_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[2], 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[3], 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 ret;
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}
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static struct cmd_tbl cmd_versal_sub[] = {
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U_BOOT_CMD_MKENT(loadpdi, 4, 1, do_versal_load_pdi, "", ""),
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};
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/**
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* do_versal - Handle the "versal" 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 specific commands
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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_versal(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct cmd_tbl *c;
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int ret = CMD_RET_USAGE;
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if (argc < 2)
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return CMD_RET_USAGE;
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c = find_cmd_tbl(argv[1], &cmd_versal_sub[0],
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ARRAY_SIZE(cmd_versal_sub));
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if (c)
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ret = c->cmd(c, flag, argc, argv);
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return cmd_process_error(c, ret);
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}
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#ifdef CONFIG_SYS_LONGHELP
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static char versal_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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#endif
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U_BOOT_CMD(versal, 4, 1, do_versal,
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"versal sub-system",
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versal_help_text
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)
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