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authorTom Rini <trini@konsulko.com>2025-04-07 16:40:02 -0600
committerTom Rini <trini@konsulko.com>2025-04-08 11:43:23 -0600
commitff61d6bfd1c9534d3fc2397846a5899639f2e55d (patch)
treedcfe4bc52848a5637c975a3352b57885e5b8a06d /cmd/fuse.c
parent34820924edbc4ec7803eb89d9852f4b870fa760a (diff)
parentf892a7f397a66d8d09f418d1e0e06dfb48bac27d (diff)
Merge branch 'next'
Note that this undoes the changes of commit cf6d4535cc4c ("x86: emulation: Disable bloblist for now") as that was intended only for the release due to time.
Diffstat (limited to 'cmd/fuse.c')
-rw-r--r--cmd/fuse.c63
1 files changed, 40 insertions, 23 deletions
diff --git a/cmd/fuse.c b/cmd/fuse.c
index 598ef496a43..6c42c096809 100644
--- a/cmd/fuse.c
+++ b/cmd/fuse.c
@@ -15,17 +15,6 @@
#include <vsprintf.h>
#include <linux/errno.h>
-static int strtou32(const char *str, unsigned int base, u32 *result)
-{
- char *ep;
-
- *result = simple_strtoul(str, &ep, base);
- if (ep == str || *ep != '\0')
- return -EINVAL;
-
- return 0;
-}
-
static int confirm_prog(void)
{
puts("Warning: Programming fuses is an irreversible operation!\n"
@@ -54,14 +43,25 @@ static int do_fuse(struct cmd_tbl *cmdtp, int flag, int argc,
argc -= 2 + confirmed;
argv += 2 + confirmed;
- if (argc < 2 || strtou32(argv[0], 0, &bank) ||
- strtou32(argv[1], 0, &word))
- return CMD_RET_USAGE;
+ if (IS_ENABLED(CONFIG_CMD_FUSE_WRITEBUFF) && !strcmp(op, "writebuff")) {
+ if (argc == 1)
+ addr = simple_strtoul(argv[0], NULL, 16);
+ else
+ return CMD_RET_USAGE;
+ } else {
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ bank = simple_strtoul(argv[0], NULL, 0);
+ word = simple_strtoul(argv[1], NULL, 0);
+ }
if (!strcmp(op, "read")) {
if (argc == 2)
cnt = 1;
- else if (argc != 3 || strtou32(argv[2], 0, &cnt))
+ else if (argc == 3)
+ cnt = simple_strtoul(argv[2], NULL, 0);
+ else
return CMD_RET_USAGE;
printf("Reading bank %u:\n", bank);
@@ -79,7 +79,9 @@ static int do_fuse(struct cmd_tbl *cmdtp, int flag, int argc,
} else if (!strcmp(op, "readm")) {
if (argc == 3)
cnt = 1;
- else if (argc != 4 || strtou32(argv[3], 0, &cnt))
+ else if (argc == 4)
+ cnt = simple_strtoul(argv[3], NULL, 0);
+ else
return CMD_RET_USAGE;
addr = simple_strtoul(argv[2], NULL, 16);
@@ -99,7 +101,9 @@ static int do_fuse(struct cmd_tbl *cmdtp, int flag, int argc,
unmap_sysmem(start);
} else if (!strcmp(op, "cmp")) {
- if (argc != 3 || strtou32(argv[2], 0, &cmp))
+ if (argc == 3)
+ cmp = simple_strtoul(argv[2], NULL, 0);
+ else
return CMD_RET_USAGE;
printf("Comparing bank %u:\n", bank);
@@ -119,7 +123,9 @@ static int do_fuse(struct cmd_tbl *cmdtp, int flag, int argc,
} else if (!strcmp(op, "sense")) {
if (argc == 2)
cnt = 1;
- else if (argc != 3 || strtou32(argv[2], 0, &cnt))
+ else if (argc == 3)
+ cnt = simple_strtoul(argv[2], NULL, 0);
+ else
return CMD_RET_USAGE;
printf("Sensing bank %u:\n", bank);
@@ -139,8 +145,7 @@ static int do_fuse(struct cmd_tbl *cmdtp, int flag, int argc,
return CMD_RET_USAGE;
for (i = 2; i < argc; i++, word++) {
- if (strtou32(argv[i], 16, &val))
- return CMD_RET_USAGE;
+ val = simple_strtoul(argv[i], NULL, 16);
printf("Programming bank %u word 0x%.8x to 0x%.8x...\n",
bank, word, val);
@@ -155,8 +160,7 @@ static int do_fuse(struct cmd_tbl *cmdtp, int flag, int argc,
return CMD_RET_USAGE;
for (i = 2; i < argc; i++, word++) {
- if (strtou32(argv[i], 16, &val))
- return CMD_RET_USAGE;
+ val = simple_strtoul(argv[i], NULL, 16);
printf("Overriding bank %u word 0x%.8x with "
"0x%.8x...\n", bank, word, val);
@@ -164,6 +168,15 @@ static int do_fuse(struct cmd_tbl *cmdtp, int flag, int argc,
if (ret)
goto err;
}
+ } else if (IS_ENABLED(CONFIG_CMD_FUSE_WRITEBUFF) && !strcmp(op, "writebuff")) {
+ printf("Programming fuses using a structured buffer in memory "
+ "starting at addr 0x%lx\n", addr);
+ if (!confirmed && !confirm_prog())
+ return CMD_RET_FAILURE;
+
+ ret = fuse_writebuff(addr);
+ if (ret)
+ goto err;
} else {
return CMD_RET_USAGE;
}
@@ -189,5 +202,9 @@ U_BOOT_CMD(
"fuse prog [-y] <bank> <word> <hexval> [<hexval>...] - program 1 or\n"
" several fuse words, starting at 'word' (PERMANENT)\n"
"fuse override <bank> <word> <hexval> [<hexval>...] - override 1 or\n"
- " several fuse words, starting at 'word'"
+ " several fuse words, starting at 'word'\n"
+#ifdef CONFIG_CMD_FUSE_WRITEBUFF
+ "fuse writebuff [-y] <addr> - program fuse data\n"
+ " using a structured buffer in memory starting at 'addr'\n"
+#endif /* CONFIG_CMD_FUSE_WRITEBUFF */
);