Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 1 | From e9ec690a3f0d34631729a17c1734d66111e768e1 Mon Sep 17 00:00:00 2001 |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 2 | From: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com> |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 3 | Date: Mon, 6 Jun 2022 12:46:38 +0100 |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 4 | Subject: [PATCH 05/25] arm_ffa: introduce armffa command |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 5 | |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 6 | Provide armffa command showcasing the use of the FF-A driver |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 7 | |
| 8 | The armffa command allows to query secure partitions data from |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 9 | the secure world and exchanging messages with the partitions |
| 10 | using 64-bit FF-A direct messaging. |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 11 | |
| 12 | Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com> |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 13 | Cc: Tom Rini <trini@konsulko.com> |
| 14 | Cc: Simon Glass <sjg@chromium.org> |
| 15 | Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org> |
| 16 | Cc: Jens Wiklander <jens.wiklander@linaro.org> |
| 17 | Upstream-Status: Submitted [cover letter: https://lore.kernel.org/all/20221122131751.22747-1-abdellatif.elkhlifi@arm.com/] |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 18 | |
| 19 | Changelog: |
| 20 | =============== |
| 21 | |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 22 | v8: |
| 23 | |
| 24 | * update partition_info_get() second argument to be an SP count |
| 25 | * pass NULL device pointer to the FF-A bus discovery and operations |
| 26 | |
| 27 | v7: |
| 28 | |
| 29 | * adapt do_ffa_dev_list() following the recent update on |
| 30 | uclass_first_device/uclass_next_device functions (they return void now) |
| 31 | * set armffa command to use 64-bit direct messaging |
| 32 | |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 33 | v4: |
| 34 | |
| 35 | * remove pattern data in do_ffa_msg_send_direct_req |
| 36 | |
| 37 | v3: |
| 38 | |
| 39 | * use the new driver interfaces (partition_info_get, sync_send_receive) |
| 40 | in armffa command |
| 41 | |
| 42 | v2: |
| 43 | |
| 44 | * replace use of ffa_helper_init_device function by |
| 45 | ffa_helper_bus_discover |
| 46 | |
| 47 | v1: |
| 48 | |
| 49 | * introduce armffa command |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 50 | --- |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 51 | MAINTAINERS | 1 + |
| 52 | cmd/Kconfig | 10 ++ |
| 53 | cmd/Makefile | 2 + |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 54 | cmd/armffa.c | 237 +++++++++++++++++++++++++++++++ |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 55 | drivers/firmware/arm-ffa/Kconfig | 1 + |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 56 | 5 files changed, 251 insertions(+) |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 57 | create mode 100644 cmd/armffa.c |
| 58 | |
| 59 | diff --git a/MAINTAINERS b/MAINTAINERS |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 60 | index 734fcb10c4..d50bdddea8 100644 |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 61 | --- a/MAINTAINERS |
| 62 | +++ b/MAINTAINERS |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 63 | @@ -251,6 +251,7 @@ F: configs/cortina_presidio-asic-pnand_defconfig |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 64 | ARM FF-A |
| 65 | M: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com> |
| 66 | S: Maintained |
| 67 | +F: cmd/armffa.c |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 68 | F: doc/arch/arm64.ffa.rst |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 69 | F: drivers/firmware/arm-ffa/ |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 70 | F: include/arm_ffa.h |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 71 | diff --git a/cmd/Kconfig b/cmd/Kconfig |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 72 | index 0e0be94f41..013d4c3da7 100644 |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 73 | --- a/cmd/Kconfig |
| 74 | +++ b/cmd/Kconfig |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 75 | @@ -912,6 +912,16 @@ endmenu |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 76 | |
| 77 | menu "Device access commands" |
| 78 | |
| 79 | +config CMD_ARMFFA |
| 80 | + bool "Arm FF-A test command" |
| 81 | + depends on ARM_FFA_TRANSPORT |
| 82 | + help |
| 83 | + Provides a test command for the Arm FF-A driver |
| 84 | + supported options: |
| 85 | + - Listing the partition(s) info |
| 86 | + - Sending a data pattern to the specified partition |
| 87 | + - Displaying the arm_ffa device info |
| 88 | + |
| 89 | config CMD_ARMFLASH |
| 90 | #depends on FLASH_CFI_DRIVER |
| 91 | bool "armflash" |
| 92 | diff --git a/cmd/Makefile b/cmd/Makefile |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 93 | index 6e87522b62..979c6d59df 100644 |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 94 | --- a/cmd/Makefile |
| 95 | +++ b/cmd/Makefile |
| 96 | @@ -12,6 +12,8 @@ obj-y += panic.o |
| 97 | obj-y += version.o |
| 98 | |
| 99 | # command |
| 100 | + |
| 101 | +obj-$(CONFIG_CMD_ARMFFA) += armffa.o |
| 102 | obj-$(CONFIG_CMD_ACPI) += acpi.o |
| 103 | obj-$(CONFIG_CMD_ADDRMAP) += addrmap.o |
| 104 | obj-$(CONFIG_CMD_AES) += aes.o |
| 105 | diff --git a/cmd/armffa.c b/cmd/armffa.c |
| 106 | new file mode 100644 |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 107 | index 0000000000..d2e8687bfb |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 108 | --- /dev/null |
| 109 | +++ b/cmd/armffa.c |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 110 | @@ -0,0 +1,237 @@ |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 111 | +// SPDX-License-Identifier: GPL-2.0+ |
| 112 | +/* |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 113 | + * (C) Copyright 2022 ARM Limited |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 114 | + * Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com> |
| 115 | + */ |
| 116 | + |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 117 | +#include <arm_ffa.h> |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 118 | +#include <asm/io.h> |
| 119 | +#include <common.h> |
| 120 | +#include <command.h> |
| 121 | +#include <dm.h> |
| 122 | +#include <mapmem.h> |
| 123 | +#include <stdlib.h> |
| 124 | + |
| 125 | +/** |
| 126 | + * do_ffa_get_singular_partition_info - implementation of the getpart subcommand |
| 127 | + * @cmdtp: Command Table |
| 128 | + * @flag: flags |
| 129 | + * @argc: number of arguments |
| 130 | + * @argv: arguments |
| 131 | + * |
| 132 | + * This function queries the secure partition information which the UUID is provided |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 133 | + * as an argument. The function uses the arm_ffa driver partition_info_get operation |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 134 | + * to retrieve the data. |
| 135 | + * The input UUID string is expected to be in big endian format. |
| 136 | + * |
| 137 | + * Return: |
| 138 | + * |
| 139 | + * CMD_RET_SUCCESS: on success, otherwise failure |
| 140 | + */ |
| 141 | +static int do_ffa_get_singular_partition_info(struct cmd_tbl *cmdtp, int flag, int argc, |
| 142 | + char *const argv[]) |
| 143 | +{ |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 144 | + u32 count = 0; |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 145 | + int ret; |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 146 | + struct ffa_partition_info *parts_info; |
| 147 | + u32 info_idx; |
| 148 | + |
| 149 | + if (argc != 1) |
| 150 | + return -EINVAL; |
| 151 | + |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 152 | + /* Mode 1: getting the number of secure partitions */ |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 153 | + ret = ffa_bus_ops_get()->partition_info_get(NULL, argv[0], &count, NULL); |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 154 | + if (ret != 0) { |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 155 | + ffa_err("Failure in querying partitions count (error code: %d)", ret); |
| 156 | + return ret; |
| 157 | + } |
| 158 | + |
| 159 | + if (!count) { |
| 160 | + ffa_info("No secure partition found"); |
| 161 | + return ret; |
| 162 | + } |
| 163 | + |
| 164 | + /* |
| 165 | + * pre-allocate a buffer to be filled by the driver |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 166 | + * with ffa_partition_info structs |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 167 | + */ |
| 168 | + |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 169 | + ffa_info("Pre-allocating %d partition(s) info structures", count); |
| 170 | + |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 171 | + parts_info = calloc(count, sizeof(struct ffa_partition_info)); |
| 172 | + if (!parts_info) |
| 173 | + return -EINVAL; |
| 174 | + |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 175 | + /* |
| 176 | + * ask the driver to fill the buffer with the SPs info |
| 177 | + */ |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 178 | + |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 179 | + ret = ffa_bus_ops_get()->partition_info_get(NULL, argv[0], &count, parts_info); |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 180 | + if (ret != 0) { |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 181 | + ffa_err("Failure in querying partition(s) info (error code: %d)", ret); |
| 182 | + free(parts_info); |
| 183 | + return ret; |
| 184 | + } |
| 185 | + |
| 186 | + /* |
| 187 | + * SPs found , show the partition information |
| 188 | + */ |
| 189 | + for (info_idx = 0; info_idx < count ; info_idx++) { |
| 190 | + ffa_info("Partition: id = 0x%x , exec_ctxt 0x%x , properties 0x%x", |
| 191 | + parts_info[info_idx].id, |
| 192 | + parts_info[info_idx].exec_ctxt, |
| 193 | + parts_info[info_idx].properties); |
| 194 | + } |
| 195 | + |
| 196 | + free(parts_info); |
| 197 | + |
| 198 | + return 0; |
| 199 | +} |
| 200 | + |
| 201 | +/** |
| 202 | + * do_ffa_msg_send_direct_req - implementation of the ping subcommand |
| 203 | + * @cmdtp: Command Table |
| 204 | + * @flag: flags |
| 205 | + * @argc: number of arguments |
| 206 | + * @argv: arguments |
| 207 | + * |
| 208 | + * This function sends data to the secure partition which the ID is provided |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 209 | + * as an argument. The function uses the arm_ffa driver sync_send_receive operation |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 210 | + * to send data. |
| 211 | + * |
| 212 | + * Return: |
| 213 | + * |
| 214 | + * CMD_RET_SUCCESS: on success, otherwise failure |
| 215 | + */ |
| 216 | +int do_ffa_msg_send_direct_req(struct cmd_tbl *cmdtp, int flag, int argc, |
| 217 | + char *const argv[]) |
| 218 | +{ |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 219 | + struct ffa_send_direct_data msg = { |
| 220 | + .data0 = 0xaaaaaaaa, |
| 221 | + .data1 = 0xbbbbbbbb, |
| 222 | + .data2 = 0xcccccccc, |
| 223 | + .data3 = 0xdddddddd, |
| 224 | + .data4 = 0xeeeeeeee, |
| 225 | + }; |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 226 | + u16 part_id; |
| 227 | + int ret; |
| 228 | + |
| 229 | + if (argc != 1) |
| 230 | + return -EINVAL; |
| 231 | + |
| 232 | + errno = 0; |
| 233 | + part_id = strtoul(argv[0], NULL, 16); |
| 234 | + |
| 235 | + if (errno) { |
| 236 | + ffa_err("Invalid partition ID"); |
| 237 | + return -EINVAL; |
| 238 | + } |
| 239 | + |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 240 | + ret = ffa_bus_ops_get()->sync_send_receive(NULL, part_id, &msg, 1); |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 241 | + if (ret == 0) { |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 242 | + u8 cnt; |
| 243 | + |
| 244 | + ffa_info("SP response:\n[LSB]"); |
| 245 | + for (cnt = 0; |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 246 | + cnt < sizeof(struct ffa_send_direct_data) / sizeof(u64); |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 247 | + cnt++) |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 248 | + ffa_info("0x%llx", ((u64 *)&msg)[cnt]); |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 249 | + } else { |
| 250 | + ffa_err("Sending direct request error (%d)", ret); |
| 251 | + } |
| 252 | + |
| 253 | + return ret; |
| 254 | +} |
| 255 | + |
| 256 | +/** |
| 257 | + *do_ffa_dev_list - implementation of the devlist subcommand |
| 258 | + * @cmdtp: [in] Command Table |
| 259 | + * @flag: flags |
| 260 | + * @argc: number of arguments |
| 261 | + * @argv: arguments |
| 262 | + * |
| 263 | + * This function queries the devices belonging to the UCLASS_FFA |
| 264 | + * class. Currently, one device is expected to show up: the arm_ffa device |
| 265 | + * |
| 266 | + * Return: |
| 267 | + * |
| 268 | + * CMD_RET_SUCCESS: on success, otherwise failure |
| 269 | + */ |
| 270 | +int do_ffa_dev_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) |
| 271 | +{ |
| 272 | + struct udevice *dev = NULL; |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 273 | + int i; |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 274 | + |
| 275 | + ffa_info("arm_ffa uclass entries:"); |
| 276 | + |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 277 | + for (i = 0, uclass_first_device(UCLASS_FFA, &dev); |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 278 | + dev; |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 279 | + uclass_next_device(&dev), i++) { |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 280 | + ffa_info("entry %d - instance %08x, ops %08x, plat %08x", |
| 281 | + i, |
| 282 | + (u32)map_to_sysmem(dev), |
| 283 | + (u32)map_to_sysmem(dev->driver->ops), |
| 284 | + (u32)map_to_sysmem(dev_get_plat(dev))); |
| 285 | + } |
| 286 | + |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 287 | + return 0; |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 288 | +} |
| 289 | + |
| 290 | +static struct cmd_tbl armffa_commands[] = { |
| 291 | + U_BOOT_CMD_MKENT(getpart, 1, 1, do_ffa_get_singular_partition_info, "", ""), |
| 292 | + U_BOOT_CMD_MKENT(ping, 1, 1, do_ffa_msg_send_direct_req, "", ""), |
| 293 | + U_BOOT_CMD_MKENT(devlist, 0, 1, do_ffa_dev_list, "", ""), |
| 294 | +}; |
| 295 | + |
| 296 | +/** |
| 297 | + * do_armffa - the armffa command main function |
| 298 | + * @cmdtp: Command Table |
| 299 | + * @flag: flags |
| 300 | + * @argc: number of arguments |
| 301 | + * @argv: arguments |
| 302 | + * |
| 303 | + * This function identifies which armffa subcommand to run. |
| 304 | + * Then, it makes sure the arm_ffa device is probed and |
| 305 | + * ready for use. |
| 306 | + * Then, it runs the subcommand. |
| 307 | + * |
| 308 | + * Return: |
| 309 | + * |
| 310 | + * CMD_RET_SUCCESS: on success, otherwise failure |
| 311 | + */ |
| 312 | +static int do_armffa(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) |
| 313 | +{ |
| 314 | + struct cmd_tbl *armffa_cmd; |
| 315 | + int ret; |
| 316 | + |
| 317 | + if (argc < 2) |
| 318 | + return CMD_RET_USAGE; |
| 319 | + |
| 320 | + armffa_cmd = find_cmd_tbl(argv[1], armffa_commands, ARRAY_SIZE(armffa_commands)); |
| 321 | + |
| 322 | + argc -= 2; |
| 323 | + argv += 2; |
| 324 | + |
| 325 | + if (!armffa_cmd || argc > armffa_cmd->maxargs) |
| 326 | + return CMD_RET_USAGE; |
| 327 | + |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 328 | + ret = ffa_bus_discover(NULL); |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 329 | + if (ret != 0) |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 330 | + return cmd_process_error(cmdtp, ret); |
| 331 | + |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 332 | + if (!ffa_bus_ops_get()) |
| 333 | + return -EINVAL; |
| 334 | + |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 335 | + ret = armffa_cmd->cmd(armffa_cmd, flag, argc, argv); |
| 336 | + |
| 337 | + return cmd_process_error(armffa_cmd, ret); |
| 338 | +} |
| 339 | + |
| 340 | +U_BOOT_CMD(armffa, 4, 1, do_armffa, |
| 341 | + "Arm FF-A operations test command", |
| 342 | + "getpart <partition UUID>\n" |
| 343 | + " - lists the partition(s) info\n" |
| 344 | + "ping <partition ID>\n" |
| 345 | + " - sends a data pattern to the specified partition\n" |
| 346 | + "devlist\n" |
| 347 | + " - displays the arm_ffa device info\n"); |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 348 | diff --git a/drivers/firmware/arm-ffa/Kconfig b/drivers/firmware/arm-ffa/Kconfig |
Andrew Geissler | ea144b03 | 2023-01-27 16:03:57 -0600 | [diff] [blame^] | 349 | index e4914b9bc7..be4df89d23 100644 |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 350 | --- a/drivers/firmware/arm-ffa/Kconfig |
| 351 | +++ b/drivers/firmware/arm-ffa/Kconfig |
| 352 | @@ -4,6 +4,7 @@ config ARM_FFA_TRANSPORT |
| 353 | bool "Enable Arm Firmware Framework for Armv8-A driver" |
| 354 | depends on DM && ARM64 |
| 355 | select ARM_SMCCC |
| 356 | + select CMD_ARMFFA |
| 357 | select LIB_UUID |
| 358 | select DEVRES |
| 359 | help |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 360 | -- |
Patrick Williams | 8dd6848 | 2022-10-04 07:57:18 -0500 | [diff] [blame] | 361 | 2.17.1 |
Brad Bishop | bec4ebc | 2022-08-03 09:55:16 -0400 | [diff] [blame] | 362 | |