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-rw-r--r--common/Makefile1
-rw-r--r--common/cmd_fpga.c250
-rw-r--r--common/cmd_fuse.c168
-rw-r--r--common/spl/spl.c10
4 files changed, 249 insertions, 180 deletions
diff --git a/common/Makefile b/common/Makefile
index f50bf2e..3ba4316 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -111,6 +111,7 @@ ifdef CONFIG_FPGA
COBJS-$(CONFIG_CMD_FPGA) += cmd_fpga.o
endif
COBJS-$(CONFIG_CMD_FS_GENERIC) += cmd_fs.o
+COBJS-$(CONFIG_CMD_FUSE) += cmd_fuse.o
COBJS-$(CONFIG_CMD_GETTIME) += cmd_gettime.o
COBJS-$(CONFIG_CMD_GPIO) += cmd_gpio.o
COBJS-$(CONFIG_CMD_I2C) += cmd_i2c.o
diff --git a/common/cmd_fpga.c b/common/cmd_fpga.c
index 1341604..3cd1b13 100644
--- a/common/cmd_fpga.c
+++ b/common/cmd_fpga.c
@@ -27,14 +27,11 @@
*/
#include <common.h>
#include <command.h>
-#if defined(CONFIG_CMD_NET)
-#include <net.h>
-#endif
#include <fpga.h>
#include <malloc.h>
/* Local functions */
-static int fpga_get_op (char *opstr);
+static int fpga_get_op(char *opstr);
/* Local defines */
#define FPGA_NONE -1
@@ -44,102 +41,6 @@ static int fpga_get_op (char *opstr);
#define FPGA_DUMP 3
#define FPGA_LOADMK 4
-/* Convert bitstream data and load into the fpga */
-int fpga_loadbitstream(unsigned long dev, char* fpgadata, size_t size)
-{
-#if defined(CONFIG_FPGA_XILINX)
- unsigned int length;
- unsigned int swapsize;
- char buffer[80];
- unsigned char *dataptr;
- unsigned int i;
- int rc;
-
- dataptr = (unsigned char *)fpgadata;
-
- /* skip the first bytes of the bitsteam, their meaning is unknown */
- length = (*dataptr << 8) + *(dataptr+1);
- dataptr+=2;
- dataptr+=length;
-
- /* get design name (identifier, length, string) */
- length = (*dataptr << 8) + *(dataptr+1);
- dataptr+=2;
- if (*dataptr++ != 0x61) {
- debug("%s: Design name identifier not recognized "
- "in bitstream\n",
- __func__);
- return FPGA_FAIL;
- }
-
- length = (*dataptr << 8) + *(dataptr+1);
- dataptr+=2;
- for(i=0;i<length;i++)
- buffer[i] = *dataptr++;
-
- printf(" design filename = \"%s\"\n", buffer);
-
- /* get part number (identifier, length, string) */
- if (*dataptr++ != 0x62) {
- printf("%s: Part number identifier not recognized "
- "in bitstream\n",
- __func__);
- return FPGA_FAIL;
- }
-
- length = (*dataptr << 8) + *(dataptr+1);
- dataptr+=2;
- for(i=0;i<length;i++)
- buffer[i] = *dataptr++;
- printf(" part number = \"%s\"\n", buffer);
-
- /* get date (identifier, length, string) */
- if (*dataptr++ != 0x63) {
- printf("%s: Date identifier not recognized in bitstream\n",
- __func__);
- return FPGA_FAIL;
- }
-
- length = (*dataptr << 8) + *(dataptr+1);
- dataptr+=2;
- for(i=0;i<length;i++)
- buffer[i] = *dataptr++;
- printf(" date = \"%s\"\n", buffer);
-
- /* get time (identifier, length, string) */
- if (*dataptr++ != 0x64) {
- printf("%s: Time identifier not recognized in bitstream\n",
- __func__);
- return FPGA_FAIL;
- }
-
- length = (*dataptr << 8) + *(dataptr+1);
- dataptr+=2;
- for(i=0;i<length;i++)
- buffer[i] = *dataptr++;
- printf(" time = \"%s\"\n", buffer);
-
- /* get fpga data length (identifier, length) */
- if (*dataptr++ != 0x65) {
- printf("%s: Data length identifier not recognized in bitstream\n",
- __func__);
- return FPGA_FAIL;
- }
- swapsize = ((unsigned int) *dataptr <<24) +
- ((unsigned int) *(dataptr+1) <<16) +
- ((unsigned int) *(dataptr+2) <<8 ) +
- ((unsigned int) *(dataptr+3) ) ;
- dataptr+=4;
- printf(" bytes in bitstream = %d\n", swapsize);
-
- rc = fpga_load(dev, dataptr, swapsize);
- return rc;
-#else
- printf("Bitstream support only for Xilinx devices\n");
- return FPGA_FAIL;
-#endif
-}
-
/* ------------------------------------------------------------------------- */
/* command form:
* fpga <op> <device number> <data addr> <datasize>
@@ -148,81 +49,81 @@ int fpga_loadbitstream(unsigned long dev, char* fpgadata, size_t size)
* If there is no data addr field, the fpgadata environment variable is used.
* The info command requires no data address field.
*/
-int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int op, dev = FPGA_INVALID_DEVICE;
size_t data_size = 0;
void *fpga_data = NULL;
- char *devstr = getenv ("fpga");
- char *datastr = getenv ("fpgadata");
+ char *devstr = getenv("fpga");
+ char *datastr = getenv("fpgadata");
int rc = FPGA_FAIL;
int wrong_parms = 0;
-#if defined (CONFIG_FIT)
+#if defined(CONFIG_FIT)
const char *fit_uname = NULL;
ulong fit_addr;
#endif
if (devstr)
- dev = (int) simple_strtoul (devstr, NULL, 16);
+ dev = (int) simple_strtoul(devstr, NULL, 16);
if (datastr)
- fpga_data = (void *) simple_strtoul (datastr, NULL, 16);
+ fpga_data = (void *)simple_strtoul(datastr, NULL, 16);
switch (argc) {
case 5: /* fpga <op> <dev> <data> <datasize> */
- data_size = simple_strtoul (argv[4], NULL, 16);
+ data_size = simple_strtoul(argv[4], NULL, 16);
case 4: /* fpga <op> <dev> <data> */
#if defined(CONFIG_FIT)
- if (fit_parse_subimage (argv[3], (ulong)fpga_data,
- &fit_addr, &fit_uname)) {
+ if (fit_parse_subimage(argv[3], (ulong)fpga_data,
+ &fit_addr, &fit_uname)) {
fpga_data = (void *)fit_addr;
- debug("* fpga: subimage '%s' from FIT image "
- "at 0x%08lx\n",
- fit_uname, 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 (argv[3], NULL, 16);
+ fpga_data = (void *)simple_strtoul(argv[3], NULL, 16);
debug("* fpga: cmdline image address = 0x%08lx\n",
- (ulong)fpga_data);
+ (ulong)fpga_data);
}
- debug("%s: fpga_data = 0x%x\n", __func__, (uint) fpga_data);
+ debug("%s: fpga_data = 0x%x\n", __func__, (uint)fpga_data);
case 3: /* fpga <op> <dev | data addr> */
- dev = (int) simple_strtoul (argv[2], NULL, 16);
+ dev = (int)simple_strtoul(argv[2], NULL, 16);
debug("%s: device = %d\n", __func__, dev);
/* FIXME - this is a really weak test */
- if ((argc == 3) && (dev > fpga_count ())) { /* must be buffer ptr */
+ if ((argc == 3) && (dev > fpga_count())) {
+ /* must be buffer ptr */
debug("%s: Assuming buffer pointer in arg 3\n",
- __func__);
+ __func__);
#if defined(CONFIG_FIT)
- if (fit_parse_subimage (argv[2], (ulong)fpga_data,
- &fit_addr, &fit_uname)) {
+ if (fit_parse_subimage(argv[2], (ulong)fpga_data,
+ &fit_addr, &fit_uname)) {
fpga_data = (void *)fit_addr;
- debug("* fpga: subimage '%s' from FIT image "
- "at 0x%08lx\n",
- fit_uname, fit_addr);
+ debug("* fpga: subimage '%s' from FIT image ",
+ fit_uname);
+ debug("at 0x%08lx\n", fit_addr);
} else
#endif
{
- fpga_data = (void *) dev;
- debug("* fpga: cmdline image address = "
- "0x%08lx\n", (ulong)fpga_data);
+ fpga_data = (void *)dev;
+ debug("* fpga: cmdline image addr = 0x%08lx\n",
+ (ulong)fpga_data);
}
debug("%s: fpga_data = 0x%x\n",
- __func__, (uint) fpga_data);
+ __func__, (uint)fpga_data);
dev = FPGA_INVALID_DEVICE; /* reset device num */
}
case 2: /* fpga <op> */
- op = (int) fpga_get_op (argv[1]);
+ op = (int)fpga_get_op(argv[1]);
break;
default:
- debug("%s: Too many or too few args (%d)\n",
- __func__, argc);
+ debug("%s: Too many or too few args (%d)\n", __func__, argc);
op = FPGA_NONE; /* force usage display */
break;
}
@@ -258,11 +159,11 @@ int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
return CMD_RET_USAGE;
case FPGA_INFO:
- rc = fpga_info (dev);
+ rc = fpga_info(dev);
break;
case FPGA_LOAD:
- rc = fpga_load (dev, fpga_data, data_size);
+ rc = fpga_load(dev, fpga_data, data_size);
break;
case FPGA_LOADB:
@@ -270,15 +171,16 @@ int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
break;
case FPGA_LOADMK:
- switch (genimg_get_format (fpga_data)) {
+ switch (genimg_get_format(fpga_data)) {
case IMAGE_FORMAT_LEGACY:
{
- image_header_t *hdr = (image_header_t *)fpga_data;
- ulong data;
+ image_header_t *hdr =
+ (image_header_t *)fpga_data;
+ ulong data;
- data = (ulong)image_get_data (hdr);
- data_size = image_get_data_size (hdr);
- rc = fpga_load (dev, (void *)data, data_size);
+ data = (ulong)image_get_data(hdr);
+ data_size = image_get_data_size(hdr);
+ rc = fpga_load(dev, (void *)data, data_size);
}
break;
#if defined(CONFIG_FIT)
@@ -289,19 +191,21 @@ int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
const void *fit_data;
if (fit_uname == NULL) {
- puts ("No FIT subimage unit name\n");
+ puts("No FIT subimage unit name\n");
return 1;
}
- if (!fit_check_format (fit_hdr)) {
- puts ("Bad FIT image format\n");
+ if (!fit_check_format(fit_hdr)) {
+ puts("Bad FIT image format\n");
return 1;
}
/* get fpga component image node offset */
- noffset = fit_image_get_node (fit_hdr, fit_uname);
+ noffset = fit_image_get_node(fit_hdr,
+ fit_uname);
if (noffset < 0) {
- printf ("Can't find '%s' FIT subimage\n", fit_uname);
+ printf("Can't find '%s' FIT subimage\n",
+ fit_uname);
return 1;
}
@@ -312,72 +216,72 @@ int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
}
/* get fpga subimage data address and length */
- if (fit_image_get_data (fit_hdr, noffset, &fit_data, &data_size)) {
- puts ("Could not find fpga subimage data\n");
+ if (fit_image_get_data(fit_hdr, noffset,
+ &fit_data, &data_size)) {
+ puts("Fpga subimage data not found\n");
return 1;
}
- rc = fpga_load (dev, fit_data, data_size);
+ rc = fpga_load(dev, fit_data, data_size);
}
break;
#endif
default:
- puts ("** Unknown image type\n");
+ puts("** Unknown image type\n");
rc = FPGA_FAIL;
break;
}
break;
case FPGA_DUMP:
- rc = fpga_dump (dev, fpga_data, data_size);
+ rc = fpga_dump(dev, fpga_data, data_size);
break;
default:
- printf ("Unknown operation\n");
+ printf("Unknown operation\n");
return CMD_RET_USAGE;
}
- return (rc);
+ return rc;
}
/*
* Map op to supported operations. We don't use a table since we
* would just have to relocate it from flash anyway.
*/
-static int fpga_get_op (char *opstr)
+static int fpga_get_op(char *opstr)
{
int op = FPGA_NONE;
- if (!strcmp ("info", opstr)) {
+ if (!strcmp("info", opstr))
op = FPGA_INFO;
- } else if (!strcmp ("loadb", opstr)) {
+ else if (!strcmp("loadb", opstr))
op = FPGA_LOADB;
- } else if (!strcmp ("load", opstr)) {
+ else if (!strcmp("load", opstr))
op = FPGA_LOAD;
- } else if (!strcmp ("loadmk", opstr)) {
+ else if (!strcmp("loadmk", opstr))
op = FPGA_LOADMK;
- } else if (!strcmp ("dump", opstr)) {
+ else if (!strcmp("dump", opstr))
op = FPGA_DUMP;
- }
- if (op == FPGA_NONE) {
- printf ("Unknown fpga operation \"%s\"\n", opstr);
- }
+ if (op == FPGA_NONE)
+ printf("Unknown fpga operation \"%s\"\n", opstr);
+
return op;
}
-U_BOOT_CMD (fpga, 6, 1, do_fpga,
- "loadable FPGA image support",
- "[operation type] [device number] [image address] [image size]\n"
- "fpga operations:\n"
- " dump\t[dev]\t\t\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"
- " loadb\t[dev] [address] [size]\t"
- "Load device from bitstream buffer (Xilinx only)\n"
- " loadmk [dev] [address]\tLoad device generated with mkimage"
+U_BOOT_CMD(fpga, 6, 1, do_fpga,
+ "loadable FPGA image support",
+ "[operation type] [device number] [image address] [image size]\n"
+ "fpga operations:\n"
+ " dump\t[dev]\t\t\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"
+ " loadb\t[dev] [address] [size]\t"
+ "Load device from bitstream buffer (Xilinx only)\n"
+ " 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>"
+ "\n"
+ "\tFor loadmk operating on FIT format uImage address must include\n"
+ "\tsubimage unit name in the form of addr:<subimg_uname>"
#endif
);
diff --git a/common/cmd_fuse.c b/common/cmd_fuse.c
new file mode 100644
index 0000000..f24c01c
--- /dev/null
+++ b/common/cmd_fuse.c
@@ -0,0 +1,168 @@
+/*
+ * (C) Copyright 2009-2013 ADVANSEE
+ * Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
+ *
+ * Based on the mpc512x iim code:
+ * Copyright 2008 Silicon Turnkey Express, Inc.
+ * Martha Marx <mmarx@silicontkx.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <fuse.h>
+#include <asm/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"
+ " This may brick your system.\n"
+ " Use this command only if you are sure of "
+ "what you are doing!\n"
+ "\nReally perform this fuse programming? <y/N>\n");
+
+ if (getc() == 'y') {
+ int c;
+
+ putc('y');
+ c = getc();
+ putc('\n');
+ if (c == '\r')
+ return 1;
+ }
+
+ puts("Fuse programming aborted\n");
+ return 0;
+}
+
+static int do_fuse(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+ const char *op = argc >= 2 ? argv[1] : NULL;
+ int confirmed = argc >= 3 && !strcmp(argv[2], "-y");
+ u32 bank, word, cnt, val;
+ int ret, i;
+
+ argc -= 2 + confirmed;
+ argv += 2 + confirmed;
+
+ if (argc < 2 || strtou32(argv[0], 0, &bank) ||
+ strtou32(argv[1], 0, &word))
+ return CMD_RET_USAGE;
+
+ if (!strcmp(op, "read")) {
+ if (argc == 2)
+ cnt = 1;
+ else if (argc != 3 || strtou32(argv[2], 0, &cnt))
+ return CMD_RET_USAGE;
+
+ printf("Reading bank %u:\n", bank);
+ for (i = 0; i < cnt; i++, word++) {
+ if (!(i % 4))
+ printf("\nWord 0x%.8x:", word);
+
+ ret = fuse_read(bank, word, &val);
+ if (ret)
+ goto err;
+
+ printf(" %.8x", val);
+ }
+ putc('\n');
+ } else if (!strcmp(op, "sense")) {
+ if (argc == 2)
+ cnt = 1;
+ else if (argc != 3 || strtou32(argv[2], 0, &cnt))
+ return CMD_RET_USAGE;
+
+ printf("Sensing bank %u:\n", bank);
+ for (i = 0; i < cnt; i++, word++) {
+ if (!(i % 4))
+ printf("\nWord 0x%.8x:", word);
+
+ ret = fuse_sense(bank, word, &val);
+ if (ret)
+ goto err;
+
+ printf(" %.8x", val);
+ }
+ putc('\n');
+ } else if (!strcmp(op, "prog")) {
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ for (i = 2; i < argc; i++, word++) {
+ if (strtou32(argv[i], 16, &val))
+ return CMD_RET_USAGE;
+
+ printf("Programming bank %u word 0x%.8x to 0x%.8x...\n",
+ bank, word, val);
+ if (!confirmed && !confirm_prog())
+ return CMD_RET_FAILURE;
+ ret = fuse_prog(bank, word, val);
+ if (ret)
+ goto err;
+ }
+ } else if (!strcmp(op, "override")) {
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ for (i = 2; i < argc; i++, word++) {
+ if (strtou32(argv[i], 16, &val))
+ return CMD_RET_USAGE;
+
+ printf("Overriding bank %u word 0x%.8x with "
+ "0x%.8x...\n", bank, word, val);
+ ret = fuse_override(bank, word, val);
+ if (ret)
+ goto err;
+ }
+ } else {
+ return CMD_RET_USAGE;
+ }
+
+ return 0;
+
+err:
+ puts("ERROR\n");
+ return ret;
+}
+
+U_BOOT_CMD(
+ fuse, CONFIG_SYS_MAXARGS, 0, do_fuse,
+ "Fuse sub-system",
+ "read <bank> <word> [<cnt>] - read 1 or 'cnt' fuse words,\n"
+ " starting at 'word'\n"
+ "fuse sense <bank> <word> [<cnt>] - sense 1 or 'cnt' fuse words,\n"
+ " starting at 'word'\n"
+ "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'"
+);
diff --git a/common/spl/spl.c b/common/spl/spl.c
index 7ce2d5f..628c399 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -118,17 +118,13 @@ void spl_parse_image_header(const struct image_header *header)
__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
{
- typedef void __noreturn (*image_entry_noargs_t)(u32 *);
+ typedef void __noreturn (*image_entry_noargs_t)(void);
+
image_entry_noargs_t image_entry =
(image_entry_noargs_t) spl_image->entry_point;
debug("image entry point: 0x%X\n", spl_image->entry_point);
- /* Pass the saved boot_params from rom code */
-#if defined(CONFIG_VIRTIO) || defined(CONFIG_ZEBU)
- image_entry = (image_entry_noargs_t)0x80100000;
-#endif
- u32 boot_params_ptr_addr = (u32)&boot_params_ptr;
- image_entry((u32 *)boot_params_ptr_addr);
+ image_entry();
}
#ifdef CONFIG_SPL_RAM_DEVICE