summaryrefslogtreecommitdiff
path: root/board/siemens/common/fpga.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/siemens/common/fpga.c')
-rw-r--r--board/siemens/common/fpga.c369
1 files changed, 0 insertions, 369 deletions
diff --git a/board/siemens/common/fpga.c b/board/siemens/common/fpga.c
deleted file mode 100644
index ef8bfde..0000000
--- a/board/siemens/common/fpga.c
+++ /dev/null
@@ -1,369 +0,0 @@
-/*
- * (C) Copyright 2002
- * Wolfgang Grandegger, DENX Software Engineering, wg@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
- */
-
-
-#include <common.h>
-#include <command.h>
-#include <linux/ctype.h>
-#include <common.h>
-
-#include "fpga.h"
-
-int power_on_reset(void);
-
-/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
-
-
-static int fpga_get_version(fpga_t* fpga, char* name)
-{
- char vname[12];
- /*
- * Net-list string format:
- * "vvvvvvvvddddddddn...".
- * Version Date Name
- * "0000000322042002PUMA" = PUMA version 3 from 22.04.2002.
- */
- if (strlen(name) < (16 + strlen(fpga->name)))
- goto failure;
- /* Check FPGA name */
- if (strcmp(&name[16], fpga->name) != 0)
- goto failure;
- /* Get version number */
- memcpy(vname, name, 8);
- vname[8] = '\0';
- return simple_strtoul(vname, NULL, 16);
-
- failure:
- printf("Image name %s is invalid\n", name);
- return -1;
-}
-
-/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
-
-static fpga_t* fpga_get(char* fpga_name)
-{
- char name[FPGA_NAME_LEN];
- int i;
-
- if (strlen(fpga_name) >= FPGA_NAME_LEN)
- goto failure;
- for (i = 0; i < strlen(fpga_name); i++)
- name[i] = toupper(fpga_name[i]);
- name[i] = '\0';
- for (i = 0; i < fpga_count; i++) {
- if (strcmp(name, fpga_list[i].name) == 0)
- return &fpga_list[i];
- }
- failure:
- printf("FPGA: name %s is invalid\n", fpga_name);
- return NULL;
-}
-
-/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
-
-static void fpga_status (fpga_t* fpga)
-{
- /* Check state */
- if (fpga_control(fpga, FPGA_DONE_IS_HIGH))
- printf ("%s is loaded (%08lx)\n",
- fpga->name, fpga_control(fpga, FPGA_GET_ID));
- else
- printf ("%s is NOT loaded\n", fpga->name);
-}
-
-/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
-
-#define FPGA_RESET_TIMEOUT 100 /* = 10 ms */
-
-static int fpga_reset (fpga_t* fpga)
-{
- int i;
-
- /* Set PROG to low and wait til INIT goes low */
- fpga_control(fpga, FPGA_PROG_SET_LOW);
- for (i = 0; i < FPGA_RESET_TIMEOUT; i++) {
- udelay (100);
- if (!fpga_control(fpga, FPGA_INIT_IS_HIGH))
- break;
- }
- if (i == FPGA_RESET_TIMEOUT)
- goto failure;
-
- /* Set PROG to high and wait til INIT goes high */
- fpga_control(fpga, FPGA_PROG_SET_HIGH);
- for (i = 0; i < FPGA_RESET_TIMEOUT; i++) {
- udelay (100);
- if (fpga_control(fpga, FPGA_INIT_IS_HIGH))
- break;
- }
- if (i == FPGA_RESET_TIMEOUT)
- goto failure;
-
- return 0;
- failure:
- return 1;
-}
-
-/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
-
-#define FPGA_LOAD_TIMEOUT 100 /* = 10 ms */
-
-static int fpga_load (fpga_t* fpga, ulong addr, int checkall)
-{
- volatile uchar *fpga_addr = (volatile uchar *)fpga->conf_base;
- image_header_t *hdr = (image_header_t *)addr;
- ulong len;
- uchar *data;
- char msg[32];
- int verify, i;
-
-#if defined(CONFIG_FIT)
- if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
- puts ("Non legacy image format not supported\n");
- return -1;
- }
-#endif
-
- /*
- * Check the image header and data of the net-list
- */
- if (!image_check_magic (hdr)) {
- strcpy (msg, "Bad Image Magic Number");
- goto failure;
- }
-
- if (!image_check_hcrc (hdr)) {
- strcpy (msg, "Bad Image Header CRC");
- goto failure;
- }
-
- data = (uchar*)image_get_data (hdr);
- len = image_get_data_size (hdr);
-
- verify = getenv_yesno ("verify");
- if (verify) {
- if (!image_check_dcrc (hdr)) {
- strcpy (msg, "Bad Image Data CRC");
- goto failure;
- }
- }
-
- if (checkall && fpga_get_version(fpga, image_get_name (hdr)) < 0)
- return 1;
-
- /* align length */
- if (len & 1)
- ++len;
-
- /*
- * Reset FPGA and wait for completion
- */
- if (fpga_reset(fpga)) {
- strcpy (msg, "Reset Timeout");
- goto failure;
- }
-
- printf ("(%s)... ", image_get_name (hdr));
- /*
- * Copy data to FPGA
- */
- fpga_control (fpga, FPGA_LOAD_MODE);
- while (len--) {
- *fpga_addr = *data++;
- }
- fpga_control (fpga, FPGA_READ_MODE);
-
- /*
- * Wait for completion and check error status if timeout
- */
- for (i = 0; i < FPGA_LOAD_TIMEOUT; i++) {
- udelay (100);
- if (fpga_control (fpga, FPGA_DONE_IS_HIGH))
- break;
- }
- if (i == FPGA_LOAD_TIMEOUT) {
- if (fpga_control(fpga, FPGA_INIT_IS_HIGH))
- strcpy(msg, "Invalid Size");
- else
- strcpy(msg, "CRC Error");
- goto failure;
- }
-
- printf("done\n");
- return 0;
-
- failure:
-
- printf("ERROR: %s\n", msg);
- return 1;
-}
-
-#if defined(CONFIG_CMD_BSP)
-
-/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
-
-int do_fpga (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- ulong addr = 0;
- int i;
- fpga_t* fpga;
-
- if (argc < 2)
- goto failure;
-
- if (strncmp(argv[1], "stat", 4) == 0) { /* status */
- if (argc == 2) {
- for (i = 0; i < fpga_count; i++) {
- fpga_status (&fpga_list[i]);
- }
- }
- else if (argc == 3) {
- if ((fpga = fpga_get(argv[2])) == 0)
- goto failure;
- fpga_status (fpga);
- }
- else
- goto failure;
- }
- else if (strcmp(argv[1],"load") == 0) { /* load */
- if (argc == 3 && fpga_count == 1) {
- fpga = &fpga_list[0];
- }
- else if (argc == 4) {
- if ((fpga = fpga_get(argv[2])) == 0)
- goto failure;
- }
- else
- goto failure;
-
- addr = simple_strtoul(argv[argc-1], NULL, 16);
-
- printf ("FPGA load %s: addr %08lx: ",
- fpga->name, addr);
- fpga_load (fpga, addr, 1);
-
- }
- else if (strncmp(argv[1], "rese", 4) == 0) { /* reset */
- if (argc == 2 && fpga_count == 1) {
- fpga = &fpga_list[0];
- }
- else if (argc == 3) {
- if ((fpga = fpga_get(argv[2])) == 0)
- goto failure;
- }
- else
- goto failure;
-
- printf ("FPGA reset %s: ", fpga->name);
- if (fpga_reset(fpga))
- printf ("ERROR: Timeout\n");
- else
- printf ("done\n");
- }
- else
- goto failure;
-
- return 0;
-
- failure:
- return cmd_usage(cmdtp);
-}
-
-U_BOOT_CMD(
- fpga, 4, 1, do_fpga,
- "access FPGA(s)",
- "fpga status [name] - print FPGA status\n"
- "fpga reset [name] - reset FPGA\n"
- "fpga load [name] addr - load FPGA configuration data"
-);
-
-#endif
-
-/* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . */
-
-int fpga_init (void)
-{
- ulong addr;
- ulong new_id, old_id = 0;
- image_header_t *hdr;
- fpga_t* fpga;
- int do_load, i, j;
- char name[16], *s;
-
- /*
- * Port setup for FPGA control
- */
- for (i = 0; i < fpga_count; i++) {
- fpga_control(&fpga_list[i], FPGA_INIT_PORTS);
- }
-
- /*
- * Load FPGA(s): a new net-list is loaded if the FPGA is
- * empty, Power-on-Reset or the old one is not up-to-date
- */
- for (i = 0; i < fpga_count; i++) {
- fpga = &fpga_list[i];
- printf ("%s: ", fpga->name);
-
- for (j = 0; j < strlen(fpga->name); j++)
- name[j] = tolower(fpga->name[j]);
- name[j] = '\0';
- sprintf(name, "%s_addr", name);
- addr = 0;
- if ((s = getenv(name)) != NULL)
- addr = simple_strtoul(s, NULL, 16);
-
- if (!addr) {
- printf ("env. variable %s undefined\n", name);
- return 1;
- }
-
- hdr = (image_header_t *)addr;
-#if defined(CONFIG_FIT)
- if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
- puts ("Non legacy image format not supported\n");
- return -1;
- }
-#endif
-
- if ((new_id = fpga_get_version(fpga, image_get_name (hdr))) == -1)
- return 1;
-
- do_load = 1;
-
- if (!power_on_reset() && fpga_control(fpga, FPGA_DONE_IS_HIGH)) {
- old_id = fpga_control(fpga, FPGA_GET_ID);
- if (new_id == old_id)
- do_load = 0;
- }
-
- if (do_load) {
- printf ("loading ");
- fpga_load (fpga, addr, 0);
- } else {
- printf ("loaded (%08lx)\n", old_id);
- }
- }
-
- return 0;
-}
generated by cgit v1.1 at 2024-11-29 05:43:25 +0000