diff options
Diffstat (limited to 'qemu/roms/u-boot/tools/aisimage.c')
| -rw-r--r-- | qemu/roms/u-boot/tools/aisimage.c | 431 |
1 files changed, 431 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/tools/aisimage.c b/qemu/roms/u-boot/tools/aisimage.c new file mode 100644 index 000000000..8de370a2e --- /dev/null +++ b/qemu/roms/u-boot/tools/aisimage.c @@ -0,0 +1,431 @@ +/* + * (C) Copyright 2011 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include "imagetool.h" +#include "aisimage.h" +#include <image.h> + +#define IS_FNC_EXEC(c) (cmd_table[c].AIS_cmd == AIS_CMD_FNLOAD) +#define WORD_ALIGN0 4 +#define WORD_ALIGN(len) (((len)+WORD_ALIGN0-1) & ~(WORD_ALIGN0-1)) +#define MAX_CMD_BUFFER 4096 + +static uint32_t ais_img_size; + +/* + * Supported commands for configuration file + */ +static table_entry_t aisimage_cmds[] = { + {CMD_DATA, "DATA", "Reg Write Data"}, + {CMD_FILL, "FILL", "Fill range with pattern"}, + {CMD_CRCON, "CRCON", "CRC Enable"}, + {CMD_CRCOFF, "CRCOFF", "CRC Disable"}, + {CMD_CRCCHECK, "CRCCHECK", "CRC Validate"}, + {CMD_JMPCLOSE, "JMPCLOSE", "Jump & Close"}, + {CMD_JMP, "JMP", "Jump"}, + {CMD_SEQREAD, "SEQREAD", "Sequential read"}, + {CMD_PLL0, "PLL0", "PLL0"}, + {CMD_PLL1, "PLL1", "PLL1"}, + {CMD_CLK, "CLK", "Clock configuration"}, + {CMD_DDR2, "DDR2", "DDR2 Configuration"}, + {CMD_EMIFA, "EMIFA", "EMIFA"}, + {CMD_EMIFA_ASYNC, "EMIFA_ASYNC", "EMIFA Async"}, + {CMD_PLL, "PLL", "PLL & Clock configuration"}, + {CMD_PSC, "PSC", "PSC setup"}, + {CMD_PINMUX, "PINMUX", "Pinmux setup"}, + {CMD_BOOTTABLE, "BOOT_TABLE", "Boot table command"}, + {-1, "", ""}, +}; + +static struct ais_func_exec { + uint32_t index; + uint32_t argcnt; +} ais_func_table[] = { + [CMD_PLL0] = {0, 2}, + [CMD_PLL1] = {1, 2}, + [CMD_CLK] = {2, 1}, + [CMD_DDR2] = {3, 8}, + [CMD_EMIFA] = {4, 5}, + [CMD_EMIFA_ASYNC] = {5, 5}, + [CMD_PLL] = {6, 3}, + [CMD_PSC] = {7, 1}, + [CMD_PINMUX] = {8, 3} +}; + +static struct cmd_table_t { + uint32_t nargs; + uint32_t AIS_cmd; +} cmd_table[] = { + [CMD_FILL] = { 4, AIS_CMD_FILL}, + [CMD_CRCON] = { 0, AIS_CMD_ENCRC}, + [CMD_CRCOFF] = { 0, AIS_CMD_DISCRC}, + [CMD_CRCCHECK] = { 2, AIS_CMD_ENCRC}, + [CMD_JMPCLOSE] = { 1, AIS_CMD_JMPCLOSE}, + [CMD_JMP] = { 1, AIS_CMD_JMP}, + [CMD_SEQREAD] = { 0, AIS_CMD_SEQREAD}, + [CMD_PLL0] = { 2, AIS_CMD_FNLOAD}, + [CMD_PLL1] = { 2, AIS_CMD_FNLOAD}, + [CMD_CLK] = { 1, AIS_CMD_FNLOAD}, + [CMD_DDR2] = { 8, AIS_CMD_FNLOAD}, + [CMD_EMIFA] = { 5, AIS_CMD_FNLOAD}, + [CMD_EMIFA_ASYNC] = { 5, AIS_CMD_FNLOAD}, + [CMD_PLL] = { 3, AIS_CMD_FNLOAD}, + [CMD_PSC] = { 1, AIS_CMD_FNLOAD}, + [CMD_PINMUX] = { 3, AIS_CMD_FNLOAD}, + [CMD_BOOTTABLE] = { 4, AIS_CMD_BOOTTBL}, +}; + +static uint32_t get_cfg_value(char *token, char *name, int linenr) +{ + char *endptr; + uint32_t value; + + errno = 0; + value = strtoul(token, &endptr, 16); + if (errno || (token == endptr)) { + fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n", + name, linenr, token); + exit(EXIT_FAILURE); + } + return value; +} + +static int get_ais_table_id(uint32_t *ptr) +{ + + int i; + int func_no; + + for (i = 0; i < ARRAY_SIZE(cmd_table); i++) { + if (*ptr == cmd_table[i].AIS_cmd) { + if (cmd_table[i].AIS_cmd != AIS_CMD_FNLOAD) + return i; + + func_no = ((struct ais_cmd_func *)ptr)->func_args + & 0xFFFF; + if (func_no == ais_func_table[i].index) + return i; + } + } + + return -1; +} + +static void aisimage_print_header(const void *hdr) +{ + struct ais_header *ais_hdr = (struct ais_header *)hdr; + uint32_t *ptr; + struct ais_cmd_load *ais_load; + int id; + + if (ais_hdr->magic != AIS_MAGIC_WORD) { + fprintf(stderr, "Error: - AIS Magic Number not found\n"); + return; + } + fprintf(stdout, "Image Type: TI Davinci AIS Boot Image\n"); + fprintf(stdout, "AIS magic : %08x\n", ais_hdr->magic); + ptr = (uint32_t *)&ais_hdr->magic; + ptr++; + + while (*ptr != AIS_CMD_JMPCLOSE) { + /* Check if we find the image */ + if (*ptr == AIS_CMD_LOAD) { + ais_load = (struct ais_cmd_load *)ptr; + fprintf(stdout, "Image at : 0x%08x size 0x%08x\n", + ais_load->addr, + ais_load->size); + ptr = ais_load->data + ais_load->size / sizeof(*ptr); + continue; + } + + id = get_ais_table_id(ptr); + if (id < 0) { + fprintf(stderr, "Error: - AIS Image corrupted\n"); + return; + } + fprintf(stdout, "AIS cmd : %s\n", + get_table_entry_name(aisimage_cmds, NULL, id)); + ptr += cmd_table[id].nargs + IS_FNC_EXEC(id) + 1; + if (((void *)ptr - hdr) > ais_img_size) { + fprintf(stderr, + "AIS Image not terminated by JMPCLOSE\n"); + return; + } + } +} + +static uint32_t *ais_insert_cmd_header(uint32_t cmd, uint32_t nargs, + uint32_t *parms, struct image_type_params *tparams, + uint32_t *ptr) +{ + int i; + + *ptr++ = cmd_table[cmd].AIS_cmd; + if (IS_FNC_EXEC(cmd)) + *ptr++ = ((nargs & 0xFFFF) << 16) + ais_func_table[cmd].index; + + /* Copy parameters */ + for (i = 0; i < nargs; i++) + *ptr++ = cpu_to_le32(parms[i]); + + return ptr; + +} + +static uint32_t *ais_alloc_buffer(struct image_tool_params *params) +{ + int dfd; + struct stat sbuf; + char *datafile = params->datafile; + uint32_t *ptr; + + dfd = open(datafile, O_RDONLY|O_BINARY); + if (dfd < 0) { + fprintf(stderr, "%s: Can't open %s: %s\n", + params->cmdname, datafile, strerror(errno)); + exit(EXIT_FAILURE); + } + + if (fstat(dfd, &sbuf) < 0) { + fprintf(stderr, "%s: Can't stat %s: %s\n", + params->cmdname, datafile, strerror(errno)); + exit(EXIT_FAILURE); + } + + /* + * Place for header is allocated. The size is taken from + * the size of the datafile, that the ais_image_generate() + * will copy into the header. Copying the datafile + * is not left to the main program, because after the datafile + * the header must be terminated with the Jump & Close command. + */ + ais_img_size = WORD_ALIGN(sbuf.st_size) + MAX_CMD_BUFFER; + ptr = (uint32_t *)malloc(WORD_ALIGN(sbuf.st_size) + MAX_CMD_BUFFER); + if (!ptr) { + fprintf(stderr, "%s: malloc return failure: %s\n", + params->cmdname, strerror(errno)); + exit(EXIT_FAILURE); + } + + close(dfd); + + return ptr; +} + +static uint32_t *ais_copy_image(struct image_tool_params *params, + uint32_t *aisptr) + +{ + int dfd; + struct stat sbuf; + char *datafile = params->datafile; + void *ptr; + + dfd = open(datafile, O_RDONLY|O_BINARY); + if (dfd < 0) { + fprintf(stderr, "%s: Can't open %s: %s\n", + params->cmdname, datafile, strerror(errno)); + exit(EXIT_FAILURE); + } + + if (fstat(dfd, &sbuf) < 0) { + fprintf(stderr, "%s: Can't stat %s: %s\n", + params->cmdname, datafile, strerror(errno)); + exit(EXIT_FAILURE); + } + + ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0); + *aisptr++ = AIS_CMD_LOAD; + *aisptr++ = params->ep; + *aisptr++ = sbuf.st_size; + memcpy((void *)aisptr, ptr, sbuf.st_size); + aisptr += WORD_ALIGN(sbuf.st_size) / sizeof(uint32_t); + + (void) munmap((void *)ptr, sbuf.st_size); + (void) close(dfd); + + return aisptr; + +} + +static int aisimage_generate(struct image_tool_params *params, + struct image_type_params *tparams) +{ + FILE *fd = NULL; + char *line = NULL; + char *token, *saveptr1, *saveptr2; + int lineno = 0; + int fld; + size_t len; + int32_t cmd; + uint32_t nargs, cmd_parms[10]; + uint32_t value, size; + char *name = params->imagename; + uint32_t *aishdr; + + fd = fopen(name, "r"); + if (fd == 0) { + fprintf(stderr, + "Error: %s - Can't open AIS configuration\n", name); + exit(EXIT_FAILURE); + } + + /* + * the size of the header is variable and is computed + * scanning the configuration file. + */ + tparams->header_size = 0; + + /* + * Start allocating a buffer suitable for most command + * The buffer is then reallocated if it is too small + */ + aishdr = ais_alloc_buffer(params); + tparams->hdr = aishdr; + *aishdr++ = AIS_MAGIC_WORD; + + /* Very simple parsing, line starting with # are comments + * and are dropped + */ + while ((getline(&line, &len, fd)) > 0) { + lineno++; + + token = strtok_r(line, "\r\n", &saveptr1); + if (token == NULL) + continue; + + /* Check inside the single line */ + line = token; + fld = CFG_COMMAND; + cmd = CMD_INVALID; + nargs = 0; + while (token != NULL) { + token = strtok_r(line, " \t", &saveptr2); + if (token == NULL) + break; + + /* Drop all text starting with '#' as comments */ + if (token[0] == '#') + break; + + switch (fld) { + case CFG_COMMAND: + cmd = get_table_entry_id(aisimage_cmds, + "aisimage commands", token); + if (cmd < 0) { + fprintf(stderr, + "Error: %s[%d] - Invalid command" + "(%s)\n", name, lineno, token); + + exit(EXIT_FAILURE); + } + break; + case CFG_VALUE: + value = get_cfg_value(token, name, lineno); + cmd_parms[nargs++] = value; + if (nargs > cmd_table[cmd].nargs) { + fprintf(stderr, + "Error: %s[%d] - too much arguments:" + "(%s) for command %s\n", name, + lineno, token, + aisimage_cmds[cmd].sname); + exit(EXIT_FAILURE); + } + break; + } + line = NULL; + fld = CFG_VALUE; + } + if (cmd != CMD_INVALID) { + /* Now insert the command into the header */ + aishdr = ais_insert_cmd_header(cmd, nargs, cmd_parms, + tparams, aishdr); + } + + } + fclose(fd); + + aishdr = ais_copy_image(params, aishdr); + + /* Add Jmp & Close */ + *aishdr++ = AIS_CMD_JMPCLOSE; + *aishdr++ = params->ep; + + size = (aishdr - (uint32_t *)tparams->hdr) * sizeof(uint32_t); + tparams->header_size = size; + + return 0; +} + +static int aisimage_check_image_types(uint8_t type) +{ + if (type == IH_TYPE_AISIMAGE) + return EXIT_SUCCESS; + else + return EXIT_FAILURE; +} + +static int aisimage_verify_header(unsigned char *ptr, int image_size, + struct image_tool_params *params) +{ + struct ais_header *ais_hdr = (struct ais_header *)ptr; + + if (ais_hdr->magic != AIS_MAGIC_WORD) + return -FDT_ERR_BADSTRUCTURE; + + /* Store the total size to remember in print_hdr */ + ais_img_size = image_size; + + return 0; +} + +static void aisimage_set_header(void *ptr, struct stat *sbuf, int ifd, + struct image_tool_params *params) +{ +} + +int aisimage_check_params(struct image_tool_params *params) +{ + if (!params) + return CFG_INVALID; + if (!strlen(params->imagename)) { + fprintf(stderr, "Error: %s - Configuration file not specified, " + "it is needed for aisimage generation\n", + params->cmdname); + return CFG_INVALID; + } + /* + * Check parameters: + * XIP is not allowed and verify that incompatible + * parameters are not sent at the same time + * For example, if list is required a data image must not be provided + */ + return (params->dflag && (params->fflag || params->lflag)) || + (params->fflag && (params->dflag || params->lflag)) || + (params->lflag && (params->dflag || params->fflag)) || + (params->xflag) || !(strlen(params->imagename)); +} + +/* + * aisimage parameters + */ +static struct image_type_params aisimage_params = { + .name = "TI Davinci AIS Boot Image support", + .header_size = 0, + .hdr = NULL, + .check_image_type = aisimage_check_image_types, + .verify_header = aisimage_verify_header, + .print_header = aisimage_print_header, + .set_header = aisimage_set_header, + .check_params = aisimage_check_params, + .vrec_header = aisimage_generate, +}; + +void init_ais_image_type(void) +{ + register_image_type(&aisimage_params); +} |