From: T Karthik Reddy t.karthik.reddy@xilinx.com
Versal loadpdi command is used for loading secure & non-secure pdi images.
Signed-off-by: T Karthik Reddy t.karthik.reddy@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
board/xilinx/versal/Makefile | 1 + board/xilinx/versal/cmds.c | 102 +++++++++++++++++++++++++++++++++++ 2 files changed, 103 insertions(+) create mode 100644 board/xilinx/versal/cmds.c
diff --git a/board/xilinx/versal/Makefile b/board/xilinx/versal/Makefile index e9307d7fa690..1fee0ef01b77 100644 --- a/board/xilinx/versal/Makefile +++ b/board/xilinx/versal/Makefile @@ -5,4 +5,5 @@ #
obj-y := board.o +obj-y += cmds.o obj-y += ../common/board.o diff --git a/board/xilinx/versal/cmds.c b/board/xilinx/versal/cmds.c new file mode 100644 index 000000000000..13720e99a26d --- /dev/null +++ b/board/xilinx/versal/cmds.c @@ -0,0 +1,102 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * (C) Copyright 2020 Xilinx, Inc. + * Michal Simek michal.simek@xilinx.com + */ + +#include <cpu_func.h> +#include <common.h> +#include <versalpl.h> +#include <zynqmp_firmware.h> + +static int do_versal_load_pdi(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + u32 buf_lo, buf_hi; + u32 ret_payload[5]; + 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[2], NULL, 16); + if (!addr) { + debug("pdi_load: zero pdi_data address\n"); + return CMD_RET_USAGE; + } + + len = simple_strtoul(argv[3], NULL, 16); + 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 ret; +} + +static cmd_tbl_t cmd_versal_sub[] = { + U_BOOT_CMD_MKENT(loadpdi, 4, 1, do_versal_load_pdi, "", ""), +}; + +/** + * do_versal - Handle the "versal" 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 specific commands + * + * Return: return 0 on success, Error value if command fails. + * CMD_RET_USAGE incase of incorrect/missing parameters. + */ +static int do_versal(cmd_tbl_t *cmdtp, int flag, int argc, + char *const argv[]) +{ + cmd_tbl_t *c; + int ret = CMD_RET_USAGE; + + if (argc < 2) + return CMD_RET_USAGE; + + c = find_cmd_tbl(argv[1], &cmd_versal_sub[0], + ARRAY_SIZE(cmd_versal_sub)); + if (c) + ret = c->cmd(c, flag, argc, argv); + + return cmd_process_error(c, ret); +} + +#ifdef CONFIG_SYS_LONGHELP +static char versal_help_text[] = + "loadpdi addr len - Load pdi image\n" + "load pdi image at ddr address 'addr' with pdi image size 'len'\n" +; +#endif + +U_BOOT_CMD(versal, 4, 1, do_versal, + "versal sub-system", + versal_help_text +) +