From 2bfe253d317726b3429e246d34c322b831e16183 Mon Sep 17 00:00:00 2001 From: Algapally Santosh Sagar Date: Mon, 22 May 2023 15:21:08 +0200 Subject: [PATCH] xilinx: versal-net: Add new versalnet loadpdi command Versal NET loadpdi command is used for loading secure & non-secure pdi images. Signed-off-by: Algapally Santosh Sagar Signed-off-by: Michal Simek Link: https://lore.kernel.org/r/f43709af894b669833770acb39ff5856fecf6d66.1684761656.git.michal.simek@amd.com --- board/xilinx/versal-net/Kconfig | 8 ++++ board/xilinx/versal-net/Makefile | 1 + board/xilinx/versal-net/cmds.c | 81 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 90 insertions(+) create mode 100644 board/xilinx/versal-net/cmds.c diff --git a/board/xilinx/versal-net/Kconfig b/board/xilinx/versal-net/Kconfig index 8f94d2b..2484429 100644 --- a/board/xilinx/versal-net/Kconfig +++ b/board/xilinx/versal-net/Kconfig @@ -6,4 +6,12 @@ if ARCH_VERSAL_NET +config CMD_VERSAL_NET + bool "Enable Versal NET specific commands" + default y + depends on ZYNQMP_FIRMWARE + help + Select this to enable Versal NET specific commands. + Commands like versalnet loadpdi are enabled by this. + endif diff --git a/board/xilinx/versal-net/Makefile b/board/xilinx/versal-net/Makefile index 2008d4e..f9ff07c 100644 --- a/board/xilinx/versal-net/Makefile +++ b/board/xilinx/versal-net/Makefile @@ -7,3 +7,4 @@ # obj-y := board.o +obj-$(CONFIG_CMD_VERSAL_NET) += cmds.o diff --git a/board/xilinx/versal-net/cmds.c b/board/xilinx/versal-net/cmds.c new file mode 100644 index 0000000..b18a71f --- /dev/null +++ b/board/xilinx/versal-net/cmds.c @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2023, Advanced Micro Devices, Inc. + * + * Michal Simek + */ + +#include +#include +#include +#include +#include +#include +#include + +/** + * do_versalnet_load_pdi - Handle the "versalnet load pdi" command-line command + * @cmdtp: Command data struct pointer + * @flag: Command flag + * @argc: Command-line argument count + * @argv: Array of command-line arguments + * + * Processes the Versal NET load pdi command + * + * Return: return 0 on success, Error value if command fails. + * CMD_RET_USAGE incase of incorrect/missing parameters. + */ +static int do_versalnet_load_pdi(struct cmd_tbl *cmdtp, int flag, int argc, + char * const argv[]) +{ + u32 buf_lo, buf_hi; + u32 ret_payload[PAYLOAD_ARG_CNT]; + ulong addr, *pdi_buf; + size_t len; + int ret; + + if (argc != cmdtp->maxargs) { + debug("pdi_load: incorrect parameters passed\n"); + return CMD_RET_USAGE; + } + + addr = simple_strtol(argv[1], NULL, 16); + if (!addr) { + debug("pdi_load: zero pdi_data address\n"); + return CMD_RET_USAGE; + } + + len = hextoul(argv[2], NULL); + if (!len) { + debug("pdi_load: zero size\n"); + return CMD_RET_USAGE; + } + + pdi_buf = (ulong *)ALIGN((ulong)addr, ARCH_DMA_MINALIGN); + if ((ulong)addr != (ulong)pdi_buf) { + memcpy((void *)pdi_buf, (void *)addr, len); + debug("Pdi addr:0x%lx aligned to 0x%lx\n", + addr, (ulong)pdi_buf); + } + + flush_dcache_range((ulong)pdi_buf, (ulong)pdi_buf + len); + + buf_lo = lower_32_bits((ulong)pdi_buf); + buf_hi = upper_32_bits((ulong)pdi_buf); + + ret = xilinx_pm_request(VERSAL_PM_LOAD_PDI, VERSAL_PM_PDI_TYPE, buf_lo, + buf_hi, 0, ret_payload); + if (ret) + printf("PDI load failed with err: 0x%08x\n", ret); + + return cmd_process_error(cmdtp, ret); +} + +static char versalnet_help_text[] = + "loadpdi addr len - Load pdi image\n" + "load pdi image at ddr address 'addr' with pdi image size 'len'\n" +; + +U_BOOT_CMD_WITH_SUBCMDS(versalnet, "Versal NET sub-system", versalnet_help_text, + U_BOOT_SUBCMD_MKENT(loadpdi, 3, 1, + do_versalnet_load_pdi)); -- 2.7.4