--- /dev/null
+/*
+ * (C) Copyright 2011
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
+ *
+ * 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
+ */
+
+/* Required to obtain the getline prototype from stdio.h */
+#define _GNU_SOURCE
+
+#include "mkimage.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
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
+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, uint32_t size)
+{
+ 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 mkimage_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 mkimage_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 mkimage_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, tsize;
+
+ 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, tsize);
+ }
+
+ }
+ 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 mkimage_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 mkimage_params *params)
+{
+}
+
+int aisimage_check_params(struct mkimage_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)
+{
+ mkimage_register(&aisimage_params);
+}
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