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