diff options
Diffstat (limited to 'common')
-rw-r--r-- | common/Makefile | 1 | ||||
-rw-r--r-- | common/cmd_fpga.c | 250 | ||||
-rw-r--r-- | common/cmd_fuse.c | 168 | ||||
-rw-r--r-- | common/spl/spl.c | 10 |
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 |