| Algapally Santosh Sagar | 8178139 | 2023-05-22 15:21:08 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Copyright (C) 2023, Advanced Micro Devices, Inc. |
| 4 | * |
| 5 | * Michal Simek <michal.simek@amd.com> |
| 6 | */ |
| 7 | |
| 8 | #include <cpu_func.h> |
| 9 | #include <command.h> |
| 10 | #include <common.h> |
| 11 | #include <log.h> |
| 12 | #include <memalign.h> |
| 13 | #include <versalpl.h> |
| 14 | #include <zynqmp_firmware.h> |
| 15 | |
| 16 | /** |
| 17 | * do_versalnet_load_pdi - Handle the "versalnet load pdi" command-line command |
| 18 | * @cmdtp: Command data struct pointer |
| 19 | * @flag: Command flag |
| 20 | * @argc: Command-line argument count |
| 21 | * @argv: Array of command-line arguments |
| 22 | * |
| 23 | * Processes the Versal NET load pdi command |
| 24 | * |
| 25 | * Return: return 0 on success, Error value if command fails. |
| 26 | * CMD_RET_USAGE incase of incorrect/missing parameters. |
| 27 | */ |
| 28 | static int do_versalnet_load_pdi(struct cmd_tbl *cmdtp, int flag, int argc, |
| 29 | char * const argv[]) |
| 30 | { |
| 31 | u32 buf_lo, buf_hi; |
| 32 | u32 ret_payload[PAYLOAD_ARG_CNT]; |
| 33 | ulong addr, *pdi_buf; |
| 34 | size_t len; |
| 35 | int ret; |
| 36 | |
| 37 | if (argc != cmdtp->maxargs) { |
| 38 | debug("pdi_load: incorrect parameters passed\n"); |
| 39 | return CMD_RET_USAGE; |
| 40 | } |
| 41 | |
| 42 | addr = simple_strtol(argv[1], NULL, 16); |
| 43 | if (!addr) { |
| 44 | debug("pdi_load: zero pdi_data address\n"); |
| 45 | return CMD_RET_USAGE; |
| 46 | } |
| 47 | |
| 48 | len = hextoul(argv[2], NULL); |
| 49 | if (!len) { |
| 50 | debug("pdi_load: zero size\n"); |
| 51 | return CMD_RET_USAGE; |
| 52 | } |
| 53 | |
| 54 | pdi_buf = (ulong *)ALIGN((ulong)addr, ARCH_DMA_MINALIGN); |
| 55 | if ((ulong)addr != (ulong)pdi_buf) { |
| 56 | memcpy((void *)pdi_buf, (void *)addr, len); |
| 57 | debug("Pdi addr:0x%lx aligned to 0x%lx\n", |
| 58 | addr, (ulong)pdi_buf); |
| 59 | } |
| 60 | |
| 61 | flush_dcache_range((ulong)pdi_buf, (ulong)pdi_buf + len); |
| 62 | |
| 63 | buf_lo = lower_32_bits((ulong)pdi_buf); |
| 64 | buf_hi = upper_32_bits((ulong)pdi_buf); |
| 65 | |
| 66 | ret = xilinx_pm_request(VERSAL_PM_LOAD_PDI, VERSAL_PM_PDI_TYPE, buf_lo, |
| 67 | buf_hi, 0, ret_payload); |
| 68 | if (ret) |
| 69 | printf("PDI load failed with err: 0x%08x\n", ret); |
| 70 | |
| 71 | return cmd_process_error(cmdtp, ret); |
| 72 | } |
| 73 | |
| 74 | static char versalnet_help_text[] = |
| 75 | "loadpdi addr len - Load pdi image\n" |
| 76 | "load pdi image at ddr address 'addr' with pdi image size 'len'\n" |
| 77 | ; |
| 78 | |
| 79 | U_BOOT_CMD_WITH_SUBCMDS(versalnet, "Versal NET sub-system", versalnet_help_text, |
| 80 | U_BOOT_SUBCMD_MKENT(loadpdi, 3, 1, |
| 81 | do_versalnet_load_pdi)); |