fpga: fix alignment on fpga cmd usage info

The current implementation generates some alignment issues as well as
some overlapping when all the fpga command options are enabled. The fix
is intended to improve readability of the usage info.

Signed-off-by: Ibai Erkiaga <ibai.erkiaga-elorza@amd.com>
Acked-by: Alexander Dahl <ada@thorsis.com>
Link: https://lore.kernel.org/r/20250121130138.1999916-2-ibai.erkiaga-elorza@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>

diff --git a/cmd/fpga.c b/cmd/fpga.c
index 93f1409..ae85ff2 100644 (file)
--- a/cmd/fpga.c
+++ b/cmd/fpga.c
@@ -408,49 +408,44 @@ U_BOOT_CMD(fpga, 9, 1, do_fpga_wrapper,
 #else
 U_BOOT_CMD(fpga, 6, 1, do_fpga_wrapper,
 #endif
-          "loadable FPGA image support",
-          "[operation type] [device number] [image address] [image size]\n"
-          "fpga operations:\n"
-          "  dump\t[dev] [address] [size]\tLoad device to memory buffer\n"
-          "  info\t[dev]\t\t\tlist known device information\n"
-          "  load\t[dev] [address] [size]\tLoad device from memory buffer\n"
+        "loadable FPGA image support",
+        "info   [dev]                  List known device information\n"
+        "fpga dump   <dev> <address> <size> Load device to memory buffer\n"
+        "fpga load   <dev> <address> <size> Load device from memory buffer\n"
 #if defined(CONFIG_CMD_FPGA_LOADP)
-          "  loadp\t[dev] [address] [size]\t"
-          "Load device from memory buffer with partial bitstream\n"
+        "fpga loadp  <dev> <address> <size> Load device from memory buffer\n"
+        "            with partial bitstream\n"
 #endif
-          "  loadb\t[dev] [address] [size]\t"
-          "Load device from bitstream buffer (Xilinx only)\n"
+        "fpga loadb  <dev> <address> <size> Load device from bitstream buffer\n"
+        "            (Xilinx only)\n"
 #if defined(CONFIG_CMD_FPGA_LOADBP)
-          "  loadbp\t[dev] [address] [size]\t"
-          "Load device from bitstream buffer with partial bitstream"
-          "(Xilinx only)\n"
+        "fpga loadbp <dev> <address> <size> Load device from bitstream buffer\n"
+        "             with partial bitstream (Xilinx only)\n"
 #endif
 #if defined(CONFIG_CMD_FPGA_LOADFS)
-          "Load device from filesystem (FAT by default) (Xilinx only)\n"
-          "  loadfs [dev] [address] [image size] [blocksize] <interface>\n"
-          "        [<dev[:part]>] <filename>\n"
+        "fpga loadfs <dev> <address> <size> <blocksize> <interface> [<dev[:part]>] <filename>\n"
+        "            Load device from filesystem (FAT by default) (Xilinx only)\n"
 #endif
 #if defined(CONFIG_CMD_FPGA_LOADMK)
-          "  loadmk [dev] [address]\tLoad device generated with mkimage"
+        "fpga loadmk <dev> <address>        Load device generated with mkimage\n"
 #if defined(CONFIG_FIT)
-          "\n"
-          "\tFor loadmk operating on FIT format uImage address must include\n"
-          "\tsubimage unit name in the form of addr:<subimg_uname>"
+        "            NOTE: loadmk operating on FIT must include subimage unit\n"
+        "            name in the form of addr:<subimg_uname>\n"
 #endif
 #endif
 #if defined(CONFIG_CMD_FPGA_LOAD_SECURE)
-          "Load encrypted bitstream (Xilinx only)\n"
-          "  loads [dev] [address] [size] [auth-OCM-0/DDR-1/noauth-2]\n"
-          "        [enc-devkey(0)/userkey(1)/nenc(2) [Userkey address]\n"
-          "Loads the secure bistreams(authenticated/encrypted/both\n"
-          "authenticated and encrypted) of [size] from [address].\n"
-          "The auth-OCM/DDR flag specifies to perform authentication\n"
-          "in OCM or in DDR. 0 for OCM, 1 for DDR, 2 for no authentication.\n"
-          "The enc flag specifies which key to be used for decryption\n"
-          "0-device key, 1-user key, 2-no encryption.\n"
-          "The optional Userkey address specifies from which address key\n"
-          "has to be used for decryption if user key is selected.\n"
-          "NOTE: the secure bitstream has to be created using Xilinx\n"
-          "bootgen tool only.\n"
+        "fpga loads  <dev> <address> <size> <auth-OCM-0/DDR-1/noauth-2>\n"
+        "            <enc-devkey(0)/userkey(1)/nenc(2> [Userkey address]\n"
+        "            Loads the secure bistreams(authenticated/encrypted/both\n"
+        "            authenticated and encrypted) of [size] from [address]\n"
+        "            (Xilinx only)\n"
+        "            -The auth-OCM/DDR flag specifies to perform authentication\n"
+        "            in OCM or in DDR. 0 for OCM, 1 for DDR, 2 for no authentication\n"
+        "            -The enc flag specifies which key to be used for decryption\n"
+        "            0-device key, 1-user key, 2-no encryption.\n"
+        "            -The optional Userkey address specifies from which address key\n"
+        "            has to be used for decryption if user key is selected.\n"
+        "            NOTE: the secure bitstream has to be created using Xilinx\n"
+        "            bootgen tool only.\n"
 #endif
 );