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-rw-r--r--board/amirix/ap1000/ap1000.c672
1 files changed, 672 insertions, 0 deletions
diff --git a/board/amirix/ap1000/ap1000.c b/board/amirix/ap1000/ap1000.c
new file mode 100644
index 0000000000..743211fa97
--- /dev/null
+++ b/board/amirix/ap1000/ap1000.c
@@ -0,0 +1,672 @@
+/*
+ * amirix.c: ppcboot platform support for AMIRIX board
+ *
+ * Copyright 2002 Mind NV
+ * Copyright 2003 AMIRIX Systems Inc.
+ *
+ * http://www.mind.be/
+ * http://www.amirix.com/
+ *
+ * Author : Peter De Schrijver (p2@mind.be)
+ * Frank Smith (smith@amirix.com)
+ *
+ * Derived from : Other platform support files in this tree, ml2
+ *
+ * This software may be used and distributed according to the terms of
+ * the GNU General Public License (GPL) version 2, incorporated herein by
+ * reference. Drivers based on or derived from this code fall under the GPL
+ * and must retain the authorship, copyright and this license notice. This
+ * file is not a complete program and may only be used when the entire
+ * program is licensed under the GPL.
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+
+#include "powerspan.h"
+#include "ap1000.h"
+
+int board_pre_init (void)
+{
+ return 0;
+}
+
+/** serial number and platform display at startup */
+int checkboard (void)
+{
+ unsigned char *s = getenv ("serial#");
+ unsigned char *e;
+
+ /* After a loadace command, the SystemAce control register is left in a wonky state. */
+ /* this code did not work in board_pre_init */
+ unsigned char* p = (unsigned char*)AP1000_SYSACE_REGBASE;
+ p[SYSACE_CTRLREG0] = 0x0;
+
+ /* add platform and device to banner */
+ switch(get_device()){
+ case AP1xx_AP107_TARGET:{
+ puts(AP1xx_AP107_TARGET_STR);
+ break;
+ }
+ case AP1xx_AP120_TARGET:{
+ puts(AP1xx_AP120_TARGET_STR);
+ break;
+ }
+ case AP1xx_AP130_TARGET:{
+ puts(AP1xx_AP130_TARGET_STR);
+ break;
+ }
+ case AP1xx_AP1070_TARGET:{
+ puts(AP1xx_AP1070_TARGET_STR);
+ break;
+ }
+ case AP1xx_AP1100_TARGET:{
+ puts(AP1xx_AP1100_TARGET_STR);
+ break;
+ }
+ default:{
+ puts(AP1xx_UNKNOWN_STR);
+ break;
+ }
+ }
+ puts(AP1xx_TARGET_STR);
+ puts(" with ");
+
+ switch(get_platform()){
+ case AP100_BASELINE_PLATFORM:
+ case AP1000_BASELINE_PLATFORM:{
+ puts(AP1xx_BASELINE_PLATFORM_STR);
+ break;
+ }
+ case AP1xx_QUADGE_PLATFORM:{
+ puts(AP1xx_QUADGE_PLATFORM_STR);
+ break;
+ }
+ case AP1xx_MGT_REF_PLATFORM:{
+ puts(AP1xx_MGT_REF_PLATFORM_STR);
+ break;
+ }
+ case AP1xx_STANDARD_PLATFORM:{
+ puts(AP1xx_STANDARD_PLATFORM_STR);
+ break;
+ }
+ case AP1xx_DUAL_PLATFORM:{
+ puts(AP1xx_DUAL_PLATFORM_STR);
+ break;
+ }
+ case AP1xx_BASE_SRAM_PLATFORM:{
+ puts(AP1xx_BASE_SRAM_PLATFORM_STR);
+ break;
+ }
+ case AP1xx_PCI_PCB_TESTPLATFORM:
+ case AP1000_PCI_PCB_TESTPLATFORM:{
+ puts(AP1xx_PCI_PCB_TESTPLATFORM_STR);
+ break;
+ }
+ case AP1xx_DUAL_GE_MEZZ_TESTPLATFORM:{
+ puts(AP1xx_DUAL_GE_MEZZ_TESTPLATFORM_STR);
+ break;
+ }
+ case AP1xx_SFP_MEZZ_TESTPLATFORM:{
+ puts(AP1xx_SFP_MEZZ_TESTPLATFORM_STR);
+ break;
+ }
+ default:{
+ puts(AP1xx_UNKNOWN_STR);
+ break;
+ }
+ }
+
+ if((get_platform() & AP1xx_TESTPLATFORM_MASK) != 0){
+ puts(AP1xx_TESTPLATFORM_STR);
+ }
+ else{
+ puts(AP1xx_PLATFORM_STR);
+ }
+
+ putc('\n');
+
+ puts ("Serial#: ");
+
+ if (!s) {
+ printf ("### No HW ID - assuming AMIRIX");
+ } else {
+ for (e = s; *e; ++e) {
+ if (*e == ' ')
+ break;
+ }
+
+ for (; s < e; ++s) {
+ putc (*s);
+ }
+ }
+
+ putc ('\n');
+
+ return (0);
+}
+
+
+long int initdram (int board_type)
+{
+ unsigned char *s = getenv ("dramsize");
+
+ if(s != NULL){
+ if((s[0] == '0') && ((s[1] == 'x') || (s[1] == 'X'))){
+ s += 2;
+ }
+ return simple_strtoul(s, NULL, 16);
+ }
+ else{
+ /* give all 64 MB */
+ return 64 * 1024 * 1024;
+ }
+}
+
+unsigned int get_platform(void){
+ unsigned int *revision_reg_ptr = (unsigned int *)AP1xx_FPGA_REV_ADDR;
+ return (*revision_reg_ptr & AP1xx_PLATFORM_MASK);
+}
+
+unsigned int get_device(void){
+ unsigned int *revision_reg_ptr = (unsigned int *)AP1xx_FPGA_REV_ADDR;
+
+ return (*revision_reg_ptr & AP1xx_TARGET_MASK);
+}
+
+#if 0 // loadace is not working; it appears to be a hardware issue with the system ace.
+/*
+ This function loads FPGA configurations from the SystemACE CompactFlash
+*/
+int do_loadace (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ unsigned char *p = (unsigned char *)AP1000_SYSACE_REGBASE;
+ int cfg;
+
+ if((p[SYSACE_STATREG0] & 0x10) == 0) {
+ p[SYSACE_CTRLREG0] = 0x80;
+ printf ("\nNo CompactFlash Detected\n\n");
+ p[SYSACE_CTRLREG0] = 0x00;
+ return 1;
+ }
+
+ // reset configuration controller: | 0x80
+ // select cpflash & ~0x40
+ // cfg start | 0x20
+ // wait for cfgstart & ~0x10
+ // force cfgmode: | 0x08
+ // do no force cfgaddr: & ~0x04
+ // clear mpulock: & ~0x02
+ // do not force lock request & ~0x01
+
+ p[SYSACE_CTRLREG0] = 0x80 | 0x20 | 0x08;
+ p[SYSACE_CTRLREG1] = 0x00;
+
+ // force config address if arg2 exists
+ if (argc == 2) {
+ cfg = simple_strtoul(argv[1], NULL, 10);
+
+ if(cfg > 7) {
+ printf ("\nInvalid Configuration\n\n");
+ p[SYSACE_CTRLREG0] = 0x00;
+ return 1;
+ }
+ // Set config address
+ p[SYSACE_CTRLREG1] = (cfg << 5);
+ // force cfgaddr
+ p[SYSACE_CTRLREG0] |= 0x04;
+
+ } else {
+ cfg = (p[SYSACE_STATREG1] & 0xE0) >> 5;
+ }
+
+ /* release configuration controller */
+ printf("\nLoading V2PRO with config %d...\n", cfg);
+ p[SYSACE_CTRLREG0] &= ~0x80;
+
+
+ while((p[SYSACE_STATREG1] & 0x01) == 0) {
+
+ if(p[SYSACE_ERRREG0] & 0x80) {
+ // attempting to load an invalid configuration makes the cpflash
+ // appear to be removed. Reset here to avoid that problem
+ p[SYSACE_CTRLREG0] = 0x80;
+ printf("\nConfiguration %d Read Error\n\n", cfg);
+ p[SYSACE_CTRLREG0] = 0x00;
+ return 1;
+ }
+ }
+
+ p[SYSACE_CTRLREG0] |= 0x20;
+
+ return 0;
+}
+#endif
+
+/** Console command to display and set the software reconfigure byte
+ * <pre>
+ * swconfig - display the current value of the software reconfigure byte
+ * swconfig [#] - change the software reconfigure byte to #
+ * </pre>
+ * @param *cmdtp [IN] as passed by run_command (ignored)
+ * @param flag [IN] as passed by run_command (ignored)
+ * @param argc [IN] as passed by run_command if 1, display, if 2 change
+ * @param *argv[] [IN] contains the parameters to use
+ * @return
+ * <pre>
+ * 0 if passed
+ * -1 if failed
+ * </pre>
+ */
+int do_swconfigbyte(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){
+ unsigned char *sector_buffer = NULL;
+ unsigned char input_char;
+ int write_result;
+ unsigned int input_uint;
+
+ /* display value if no argument */
+ if(argc < 2){
+ printf("Software configuration byte is currently: 0x%02x\n",
+ *((unsigned char *) (SW_BYTE_SECTOR_ADDR + SW_BYTE_SECTOR_OFFSET)));
+ return 0;
+ }
+ else if(argc > 3){
+ printf("Too many arguments\n");
+ return -1;
+ }
+
+ /* if 3 arguments, 3rd argument is the address to use */
+ if(argc == 3){
+ input_uint = simple_strtoul(argv[1], NULL, 16);
+ sector_buffer = (unsigned char *)input_uint;
+ }
+ else{
+ sector_buffer = (unsigned char *)DEFAULT_TEMP_ADDR;
+ }
+
+ input_char = simple_strtoul(argv[1], NULL, 0);
+ if((input_char & ~SW_BYTE_MASK) != 0){
+ printf("Input of 0x%02x will be masked to 0x%02x\n",
+ input_char, (input_char & SW_BYTE_MASK));
+ input_char = input_char & SW_BYTE_MASK;
+ }
+
+ memcpy(sector_buffer, (void *)SW_BYTE_SECTOR_ADDR, SW_BYTE_SECTOR_SIZE);
+ sector_buffer[SW_BYTE_SECTOR_OFFSET] = input_char;
+
+
+ printf("Erasing Flash...");
+ if (flash_sect_erase (SW_BYTE_SECTOR_ADDR, (SW_BYTE_SECTOR_ADDR + SW_BYTE_SECTOR_OFFSET))){
+ return -1;
+ }
+
+ printf("Writing to Flash... ");
+ write_result = flash_write(sector_buffer, SW_BYTE_SECTOR_ADDR, SW_BYTE_SECTOR_SIZE);
+ if (write_result != 0) {
+ flash_perror (write_result);
+ return -1;
+ }
+ else{
+ printf("done\n");
+ printf("Software configuration byte is now: 0x%02x\n",
+ *((unsigned char *) (SW_BYTE_SECTOR_ADDR + SW_BYTE_SECTOR_OFFSET)));
+ }
+
+ return 0;
+}
+
+#define ONE_SECOND 1000000
+
+int do_pause(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){
+ int pause_time;
+ unsigned int delay_time;
+ int break_loop = 0;
+
+ /* display value if no argument */
+ if(argc < 2){
+ pause_time = 1;
+ }
+
+ else if(argc > 2){
+ printf("Too many arguments\n");
+ return -1;
+ }
+ else{
+ pause_time = simple_strtoul(argv[1], NULL, 0);
+ }
+
+ printf("Pausing with a poll time of %d, press any key to reactivate\n", pause_time);
+ delay_time = pause_time * ONE_SECOND;
+ while(break_loop == 0){
+ udelay(delay_time);
+ if(serial_tstc() != 0){
+ break_loop = 1;
+ /* eat user key presses */
+ while(serial_tstc() != 0){
+ serial_getc();
+ }
+ }
+ }
+
+ return 0;
+}
+
+int do_swreconfig(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){
+ printf("Triggering software reconfigure (software config byte is 0x%02x)...\n",
+ *((unsigned char *) (SW_BYTE_SECTOR_ADDR + SW_BYTE_SECTOR_OFFSET)));
+ udelay (1000);
+ *((unsigned char*)AP1000_CPLD_BASE) = 1;
+
+ return 0;
+}
+
+#define GET_DECIMAL(low_byte) ((low_byte >> 5) * 125)
+#define TEMP_BUSY_BIT 0x80
+#define TEMP_LHIGH_BIT 0x40
+#define TEMP_LLOW_BIT 0x20
+#define TEMP_EHIGH_BIT 0x10
+#define TEMP_ELOW_BIT 0x08
+#define TEMP_OPEN_BIT 0x04
+#define TEMP_ETHERM_BIT 0x02
+#define TEMP_LTHERM_BIT 0x01
+
+int do_temp_sensor(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){
+ char cmd;
+ int ret_val = 0;
+ unsigned char temp_byte;
+ int temp;
+ int temp_low;
+ int low;
+ int low_low;
+ int high;
+ int high_low;
+ int therm;
+ unsigned char user_data[4] = { 0 };
+ int user_data_count = 0;
+ int ii;
+
+ if(argc > 1){
+ cmd = argv[1][0];
+ }
+ else{
+ cmd = 's'; /* default to status */
+ }
+
+ user_data_count = argc - 2;
+ for(ii = 0;ii < user_data_count;ii++){
+ user_data[ii] = simple_strtoul(argv[2 + ii], NULL, 0);
+ }
+ switch (cmd){
+ case 's':{
+
+ if(I2CAccess(0x2, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ printf("Status : 0x%02x ", temp_byte);
+ if(temp_byte & TEMP_BUSY_BIT){
+ printf("BUSY ");
+ }
+
+ if(temp_byte & TEMP_LHIGH_BIT){
+ printf("LHIGH ");
+ }
+
+ if(temp_byte & TEMP_LLOW_BIT){
+ printf("LLOW ");
+ }
+
+ if(temp_byte & TEMP_EHIGH_BIT){
+ printf("EHIGH ");
+ }
+
+ if(temp_byte & TEMP_ELOW_BIT){
+ printf("ELOW ");
+ }
+
+ if(temp_byte & TEMP_OPEN_BIT){
+ printf("OPEN ");
+ }
+
+ if(temp_byte & TEMP_ETHERM_BIT){
+ printf("ETHERM ");
+ }
+
+ if(temp_byte & TEMP_LTHERM_BIT){
+ printf("LTHERM");
+ }
+ printf("\n");
+
+ if(I2CAccess(0x3, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ printf("Config : 0x%02x ", temp_byte);
+
+ if(I2CAccess(0x4, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ printf("\n");
+ goto fail;
+ }
+ printf("Conversion: 0x%02x\n", temp_byte);
+ if(I2CAccess(0x22, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ printf("Cons Alert: 0x%02x ", temp_byte);
+
+ if(I2CAccess(0x21, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ printf("\n");
+ goto fail;
+ }
+ printf("Therm Hyst: %d\n", temp_byte);
+
+ if(I2CAccess(0x0, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ temp = temp_byte;
+ if(I2CAccess(0x6, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ low = temp_byte;
+ if(I2CAccess(0x5, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ high = temp_byte;
+ if(I2CAccess(0x20, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ therm = temp_byte;
+ printf("Local Temp: %2d Low: %2d High: %2d THERM: %2d\n", temp, low, high, therm);
+
+ if(I2CAccess(0x1, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ temp = temp_byte;
+ if(I2CAccess(0x10, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ temp_low = temp_byte;
+ if(I2CAccess(0x8, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ low = temp_byte;
+ if(I2CAccess(0x14, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ low_low = temp_byte;
+ if(I2CAccess(0x7, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ high = temp_byte;
+ if(I2CAccess(0x13, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ high_low = temp_byte;
+ if(I2CAccess(0x19, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ therm = temp_byte;
+ if(I2CAccess(0x11, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+ goto fail;
+ }
+ printf("Ext Temp : %2d.%03d Low: %2d.%03d High: %2d.%03d THERM: %2d Offset: %2d\n", temp, GET_DECIMAL(temp_low), low, GET_DECIMAL(low_low), high, GET_DECIMAL(high_low), therm, temp_byte);
+ break;
+ }
+ case 'l':{ /* alter local limits : low, high, therm */
+ if(argc < 3){
+ goto usage;
+ }
+
+ /* low */
+ if(I2CAccess(0xC, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[0], I2C_WRITE) != 0){
+ goto fail;
+ }
+
+ if(user_data_count > 1){
+ /* high */
+ if(I2CAccess(0xB, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[1], I2C_WRITE) != 0){
+ goto fail;
+ }
+ }
+
+ if(user_data_count > 2){
+ /* therm */
+ if(I2CAccess(0x20, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[2], I2C_WRITE) != 0){
+ goto fail;
+ }
+ }
+ break;
+ }
+ case 'e':{ /* alter external limits: low, high, therm, offset */
+ if(argc < 3){
+ goto usage;
+ }
+
+ /* low */
+ if(I2CAccess(0xE, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[0], I2C_WRITE) != 0){
+ goto fail;
+ }
+
+ if(user_data_count > 1){
+ /* high */
+ if(I2CAccess(0xD, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[1], I2C_WRITE) != 0){
+ goto fail;
+ }
+ }
+
+ if(user_data_count > 2){
+ /* therm */
+ if(I2CAccess(0x19, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[2], I2C_WRITE) != 0){
+ goto fail;
+ }
+ }
+
+ if(user_data_count > 3){
+ /* offset */
+ if(I2CAccess(0x11, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[3], I2C_WRITE) != 0){
+ goto fail;
+ }
+ }
+ break;
+ }
+ case 'c':{ /* alter config settings: config, conv, cons alert, therm hyst */
+ if(argc < 3){
+ goto usage;
+ }
+
+ /* config */
+ if(I2CAccess(0x9, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[0], I2C_WRITE) != 0){
+ goto fail;
+ }
+
+ if(user_data_count > 1){
+ /* conversion */
+ if(I2CAccess(0xA, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[1], I2C_WRITE) != 0){
+ goto fail;
+ }
+ }
+
+ if(user_data_count > 2){
+ /* cons alert */
+ if(I2CAccess(0x22, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[2], I2C_WRITE) != 0){
+ goto fail;
+ }
+ }
+
+ if(user_data_count > 3){
+ /* therm hyst */
+ if(I2CAccess(0x21, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &user_data[3], I2C_WRITE) != 0){
+ goto fail;
+ }
+ }
+ break;
+ }
+ default:{
+ goto usage;
+ }
+ }
+
+ goto done;
+ fail:
+ printf("Access to sensor failed\n");
+ ret_val = -1;
+ goto done;
+ usage:
+ printf ("Usage:\n%s\n", cmdtp->help);
+
+ done:
+ return ret_val;
+}
+
+U_BOOT_CMD(
+ temp, 6, 0, do_temp_sensor,
+ "temp - interact with the temperature sensor\n",
+ "temp [s]\n"
+ " - Show status.\n"
+ "temp l LOW [HIGH] [THERM]\n"
+ " - Set local limits.\n"
+ "temp e LOW [HIGH] [THERM] [OFFSET]\n"
+ " - Set external limits.\n"
+ "temp c CONFIG [CONVERSION] [CONS. ALERT] [THERM HYST]\n"
+ " - Set config options.\n"
+ "\n"
+ "All values can be decimal or hex (hex preceded with 0x).\n"
+ "Only whole numbers are supported for external limits.\n"
+);
+
+#if 0
+U_BOOT_CMD(
+ loadace, 2, 0, do_loadace,
+ "loadace - load fpga configuration from System ACE compact flash\n",
+ "N\n"
+ " - Load configuration N (0-7) from System ACE compact flash\n"
+ "loadace\n"
+ " - loads default configuration\n"
+);
+#endif
+
+U_BOOT_CMD(
+ swconfig, 2, 0, do_swconfigbyte,
+ "swconfig- display or modify the software configuration byte\n",
+ "N [ADDRESS]\n"
+ " - set software configuration byte to N, optionally use ADDRESS as\n"
+ " location of buffer for flash copy\n"
+ "swconfig\n"
+ " - display software configuration byte\n"
+);
+
+U_BOOT_CMD(
+ pause, 2, 0, do_pause,
+ "pause - sleep processor until any key is pressed with poll time of N seconds\n",
+ "N\n"
+ " - sleep processor until any key is pressed with poll time of N seconds\n"
+ "pause\n"
+ " - sleep processor until any key is pressed with poll time of 1 second\n"
+);
+
+U_BOOT_CMD(
+ swrecon, 1, 0, do_swreconfig,
+ "swrecon - trigger a board reconfigure to the software selected configuration\n",
+ "\n"
+ " - trigger a board reconfigure to the software selected configuration\n"
+);
+
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