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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2000, 2001
* Rich Ireland, Enterasys Networks, rireland@enterasys.com.
*/
/*
* FPGA support
*/
#include <common.h>
#include <command.h>
#include <env.h>
#include <fpga.h>
#include <fs.h>
#include <gzip.h>
#include <malloc.h>
static long do_fpga_get_device(char *arg)
{
long dev = FPGA_INVALID_DEVICE;
char *devstr = env_get("fpga");
if (devstr)
/* Should be strtol to handle -1 cases */
dev = simple_strtol(devstr, NULL, 16);
if (dev == FPGA_INVALID_DEVICE && arg)
dev = simple_strtol(arg, NULL, 16);
debug("%s: device = %ld\n", __func__, dev);
return dev;
}
static int do_fpga_check_params(long *dev, long *fpga_data, size_t *data_size,
cmd_tbl_t *cmdtp, int argc, char *const argv[])
{
size_t local_data_size;
long local_fpga_data;
debug("%s %d, %d\n", __func__, argc, cmdtp->maxargs);
if (argc != cmdtp->maxargs) {
debug("fpga: incorrect parameters passed\n");
return CMD_RET_USAGE;
}
*dev = do_fpga_get_device(argv[0]);
local_fpga_data = simple_strtol(argv[1], NULL, 16);
if (!local_fpga_data) {
debug("fpga: zero fpga_data address\n");
return CMD_RET_USAGE;
}
*fpga_data = local_fpga_data;
local_data_size = simple_strtoul(argv[2], NULL, 16);
if (!local_data_size) {
debug("fpga: zero size\n");
return CMD_RET_USAGE;
}
*data_size = local_data_size;
return 0;
}
#if defined(CONFIG_CMD_FPGA_LOAD_SECURE)
int do_fpga_loads(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
size_t data_size = 0;
long fpga_data, dev;
int ret;
struct fpga_secure_info fpga_sec_info;
memset(&fpga_sec_info, 0, sizeof(fpga_sec_info));
if (argc < 5) {
debug("fpga: incorrect parameters passed\n");
return CMD_RET_USAGE;
}
if (argc == 6)
fpga_sec_info.userkey_addr = (u8 *)(uintptr_t)
simple_strtoull(argv[5],
NULL, 16);
else
/*
* If 6th parameter is not passed then do_fpga_check_params
* will get 5 instead of expected 6 which means that function
* return CMD_RET_USAGE. Increase number of params +1 to pass
* this.
*/
argc++;
fpga_sec_info.encflag = (u8)simple_strtoul(argv[4], NULL, 16);
fpga_sec_info.authflag = (u8)simple_strtoul(argv[3], NULL, 16);
if (fpga_sec_info.authflag >= FPGA_NO_ENC_OR_NO_AUTH &&
fpga_sec_info.encflag >= FPGA_NO_ENC_OR_NO_AUTH) {
debug("fpga: Use <fpga load> for NonSecure bitstream\n");
return CMD_RET_USAGE;
}
if (fpga_sec_info.encflag == FPGA_ENC_USR_KEY &&
!fpga_sec_info.userkey_addr) {
debug("fpga: User key not provided\n");
return CMD_RET_USAGE;
}
ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
cmdtp, argc, argv);
if (ret)
return ret;
return fpga_loads(dev, (void *)fpga_data, data_size, &fpga_sec_info);
}
#endif
#if defined(CONFIG_CMD_FPGA_LOADFS)
static int do_fpga_loadfs(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
{
size_t data_size = 0;
long fpga_data, dev;
int ret;
fpga_fs_info fpga_fsinfo;
ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
cmdtp, argc, argv);
if (ret)
return ret;
fpga_fsinfo.fstype = FS_TYPE_ANY;
fpga_fsinfo.blocksize = (unsigned int)simple_strtoul(argv[3], NULL, 16);
fpga_fsinfo.interface = argv[4];
fpga_fsinfo.dev_part = argv[5];
fpga_fsinfo.filename = argv[6];
return fpga_fsload(dev, (void *)fpga_data, data_size, &fpga_fsinfo);
}
#endif
static int do_fpga_info(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
long dev = do_fpga_get_device(argv[0]);
return fpga_info(dev);
}
static int do_fpga_dump(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
size_t data_size = 0;
long fpga_data, dev;
int ret;
ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
cmdtp, argc, argv);
if (ret)
return ret;
return fpga_dump(dev, (void *)fpga_data, data_size);
}
static int do_fpga_load(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
size_t data_size = 0;
long fpga_data, dev;
int ret;
ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
cmdtp, argc, argv);
if (ret)
return ret;
return fpga_load(dev, (void *)fpga_data, data_size, BIT_FULL);
}
static int do_fpga_loadb(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
size_t data_size = 0;
long fpga_data, dev;
int ret;
ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
cmdtp, argc, argv);
if (ret)
return ret;
return fpga_loadbitstream(dev, (void *)fpga_data, data_size, BIT_FULL);
}
#if defined(CONFIG_CMD_FPGA_LOADP)
static int do_fpga_loadp(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
size_t data_size = 0;
long fpga_data, dev;
int ret;
ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
cmdtp, argc, argv);
if (ret)
return ret;
return fpga_load(dev, (void *)fpga_data, data_size, BIT_PARTIAL);
}
#endif
#if defined(CONFIG_CMD_FPGA_LOADBP)
static int do_fpga_loadbp(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
size_t data_size = 0;
long fpga_data, dev;
int ret;
ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
cmdtp, argc, argv);
if (ret)
return ret;
return fpga_loadbitstream(dev, (void *)fpga_data, data_size,
BIT_PARTIAL);
}
#endif
#if defined(CONFIG_CMD_FPGA_LOADMK)
static int do_fpga_loadmk(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
size_t data_size = 0;
void *fpga_data = NULL;
#if defined(CONFIG_FIT)
const char *fit_uname = NULL;
ulong fit_addr;
#endif
ulong dev = do_fpga_get_device(argv[0]);
char *datastr = env_get("fpgadata");
debug("fpga: argc %x, dev %lx, datastr %s\n", argc, dev, datastr);
if (dev == FPGA_INVALID_DEVICE) {
debug("fpga: Invalid fpga device\n");
return CMD_RET_USAGE;
}
if (argc == 0 && !datastr) {
debug("fpga: No datastr passed\n");
return CMD_RET_USAGE;
}
if (argc == 2) {
datastr = argv[1];
debug("fpga: Full command with two args\n");
} else if (argc == 1 && !datastr) {
debug("fpga: Dev is setup - fpgadata passed\n");
datastr = argv[0];
}
#if defined(CONFIG_FIT)
if (fit_parse_subimage(datastr, (ulong)fpga_data,
&fit_addr, &fit_uname)) {
fpga_data = (void *)fit_addr;
debug("* fpga: subimage '%s' from FIT image ",
fit_uname);
debug("at 0x%08lx\n", fit_addr);
} else
#endif
{
fpga_data = (void *)simple_strtoul(datastr, NULL, 16);
debug("* fpga: cmdline image address = 0x%08lx\n",
(ulong)fpga_data);
}
debug("%s: fpga_data = 0x%lx\n", __func__, (ulong)fpga_data);
if (!fpga_data) {
puts("Zero fpga_data address\n");
return CMD_RET_USAGE;
}
switch (genimg_get_format(fpga_data)) {
#if defined(CONFIG_LEGACY_IMAGE_FORMAT)
case IMAGE_FORMAT_LEGACY:
{
image_header_t *hdr = (image_header_t *)fpga_data;
ulong data;
u8 comp;
comp = image_get_comp(hdr);
if (comp == IH_COMP_GZIP) {
#if defined(CONFIG_GZIP)
ulong image_buf = image_get_data(hdr);
ulong image_size = ~0UL;
data = image_get_load(hdr);
if (gunzip((void *)data, ~0UL, (void *)image_buf,
&image_size) != 0) {
puts("GUNZIP: error\n");
return CMD_RET_FAILURE;
}
data_size = image_size;
#else
puts("Gunzip image is not supported\n");
return 1;
#endif
} else {
data = (ulong)image_get_data(hdr);
data_size = image_get_data_size(hdr);
}
return fpga_load(dev, (void *)data, data_size,
BIT_FULL);
}
#endif
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
{
const void *fit_hdr = (const void *)fpga_data;
int noffset;
const void *fit_data;
if (!fit_uname) {
puts("No FIT subimage unit name\n");
return CMD_RET_FAILURE;
}
if (!fit_check_format(fit_hdr)) {
puts("Bad FIT image format\n");
return CMD_RET_FAILURE;
}
/* get fpga component image node offset */
noffset = fit_image_get_node(fit_hdr, fit_uname);
if (noffset < 0) {
printf("Can't find '%s' FIT subimage\n", fit_uname);
return CMD_RET_FAILURE;
}
/* verify integrity */
if (!fit_image_verify(fit_hdr, noffset)) {
puts("Bad Data Hash\n");
return CMD_RET_FAILURE;
}
/* get fpga subimage/external data address and length */
if (fit_image_get_data_and_size(fit_hdr, noffset,
&fit_data, &data_size)) {
puts("Fpga subimage data not found\n");
return CMD_RET_FAILURE;
}
return fpga_load(dev, fit_data, data_size, BIT_FULL);
}
#endif
default:
puts("** Unknown image type\n");
return CMD_RET_FAILURE;
}
}
#endif
static cmd_tbl_t fpga_commands[] = {
U_BOOT_CMD_MKENT(info, 1, 1, do_fpga_info, "", ""),
U_BOOT_CMD_MKENT(dump, 3, 1, do_fpga_dump, "", ""),
U_BOOT_CMD_MKENT(load, 3, 1, do_fpga_load, "", ""),
U_BOOT_CMD_MKENT(loadb, 3, 1, do_fpga_loadb, "", ""),
#if defined(CONFIG_CMD_FPGA_LOADP)
U_BOOT_CMD_MKENT(loadp, 3, 1, do_fpga_loadp, "", ""),
#endif
#if defined(CONFIG_CMD_FPGA_LOADBP)
U_BOOT_CMD_MKENT(loadbp, 3, 1, do_fpga_loadbp, "", ""),
#endif
#if defined(CONFIG_CMD_FPGA_LOADFS)
U_BOOT_CMD_MKENT(loadfs, 7, 1, do_fpga_loadfs, "", ""),
#endif
#if defined(CONFIG_CMD_FPGA_LOADMK)
U_BOOT_CMD_MKENT(loadmk, 2, 1, do_fpga_loadmk, "", ""),
#endif
#if defined(CONFIG_CMD_FPGA_LOAD_SECURE)
U_BOOT_CMD_MKENT(loads, 6, 1, do_fpga_loads, "", ""),
#endif
};
static int do_fpga_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
{
cmd_tbl_t *fpga_cmd;
int ret;
if (argc < 2)
return CMD_RET_USAGE;
fpga_cmd = find_cmd_tbl(argv[1], fpga_commands,
ARRAY_SIZE(fpga_commands));
if (!fpga_cmd) {
debug("fpga: non existing command\n");
return CMD_RET_USAGE;
}
argc -= 2;
argv += 2;
if (argc > fpga_cmd->maxargs) {
debug("fpga: more parameters passed\n");
return CMD_RET_USAGE;
}
ret = fpga_cmd->cmd(fpga_cmd, flag, argc, argv);
return cmd_process_error(fpga_cmd, ret);
}
#if defined(CONFIG_CMD_FPGA_LOADFS) || defined(CONFIG_CMD_FPGA_LOAD_SECURE)
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"
#if defined(CONFIG_CMD_FPGA_LOADP)
" loadp\t[dev] [address] [size]\t"
"Load device from memory buffer with partial bitstream\n"
#endif
" loadb\t[dev] [address] [size]\t"
"Load device from bitstream buffer (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"
#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"
#endif
#if defined(CONFIG_CMD_FPGA_LOADMK)
" loadmk [dev] [address]\tLoad device generated with mkimage"
#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>"
#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"
#endif
);