Latest firmware reports Pi Zero V Core is 1.8v

hoglet67 / PiTubeDirect

Bare-metal Raspberry Pi project that attaches to the Acorn TUBE interface and emulates many BBC Micro Co Processors

GNU General Public License v3.0

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It should be 1.20v

The Pi is still living, so I expect the voltage is fine and this is a reporting bug.

**********     Raspberry Pi BBC Micro Coprocessor     **********

    FIRMWARE_VERSION : 611e4e73
         BOARD_MODEL : 00000000
      BOARD_REVISION : 009000c1
   BOARD_MAC_ADDRESS : baeb27b85f38074b
        BOARD_SERIAL : eaba4b0700000000
           EMMC_FREQ :    200.000 MHz    200.000 MHz    200.000 MHz
           UART_FREQ :     48.000 MHz   1000.000 MHz   1000.000 MHz
            ARM_FREQ :   1000.000 MHz   1000.000 MHz   1000.000 MHz
           CORE_FREQ :    400.000 MHz    400.000 MHz    400.000 MHz
            V3D_FREQ :    300.000 MHz    300.000 MHz    300.000 MHz
           H264_FREQ :      0.000 MHz    300.000 MHz    300.000 MHz
            ISP_FREQ :      0.000 MHz    300.000 MHz    300.000 MHz
          SDRAM_FREQ :      0.000 MHz    450.000 MHz    450.000 MHz
          PIXEL_FREQ :      0.000 MHz   2400.000 MHz   2400.000 MHz
            PWM_FREQ :      0.000 MHz    500.000 MHz    500.000 MHz
           CORE TEMP :  17.49 °C
        CORE VOLTAGE :   1.80 V
     SDRAM_C VOLTAGE :   1.20 V
     SDRAM_P VOLTAGE :   1.20 V
     SDRAM_I VOLTAGE :   1.20 V
            CMD_LINE : bcm2708_fb.fbwidth=720 bcm2708_fb.fbheight=480 bcm2708_fb.fbdepth=16 dma.dmachans=0x7ff5 bcm2708.boardrev=0x9000c1 bcm2708.serial=0xeaba4b07 bcm2708.uart_clock=48000000 bcm2708.disk_led_gpio=47 smsc95xx.macaddr=B8:27:EB:BA:4B:07 vc_mem.mem_base=0x1fa00000 vc_mem.mem_size=0x20000000  copro=24 copro1_speed=3 copro3_speed=4 tube_delay=0 elk_mode=0 vdu=1
               COPRO : 24
prim_set_dot_pattern_len = 0
prim_set_dot_pattern_len = 7
Tube ULA sample delay  0
Raspberry Pi Direct 24 65C02 (JIT) Client
>> emulator speed 0
Copro Memory size 0
             cycle counter = 255076653440
              I_CACHE_MISS = 246256400
              D_CACHE_MISS = 143812
tube reset - copro 24

Ian also sees this in RGBtoHDMI, and has reported it here: https://github.com/raspberrypi/firmware/issues/1667

I suspect this is related to #80

********** Raspberry Pi BBC Micro Coprocessor ********** FIRMWARE_VERSION : 61a76104 BOARD_MODEL : 00000000 BOARD_REVISION : 009000c1 BOARD_MAC_ADDRESS : baeb27b85f38074b BOARD_SERIAL : eaba4b0700000000 EMMC_FREQ : 200.000 MHz 200.000 MHz 200.000 MHz UART_FREQ : 48.000 MHz 1000.000 MHz 1000.000 MHz ARM_FREQ : 1000.000 MHz 1000.000 MHz 1000.000 MHz CORE_FREQ : 400.000 MHz 400.000 MHz 400.000 MHz V3D_FREQ : 300.000 MHz 300.000 MHz 300.000 MHz H264_FREQ : 0.000 MHz 300.000 MHz 300.000 MHz ISP_FREQ : 0.000 MHz 300.000 MHz 300.000 MHz SDRAM_FREQ : 0.000 MHz 450.000 MHz 450.000 MHz PIXEL_FREQ : 0.000 MHz 2400.000 MHz 2400.000 MHz PWM_FREQ : 0.000 MHz 500.000 MHz 500.000 MHz CORE TEMP : 17.49 °C CORE VOLTAGE : 1.35 V SDRAM_C VOLTAGE : 1.20 V SDRAM_P VOLTAGE : 1.20 V SDRAM_I VOLTAGE : 1.20 V CMD_LINE : bcm2708_fb.fbwidth=720 bcm2708_fb.fbheight=480 bcm2708_fb.fbdepth=16 dma.dmachans=0x7ff5 bcm2708.boardrev=0x9000c1 bcm2708.serial=0xeaba4b07 bcm2708.uart_clock=48000000 bcm2708.disk_led_gpio=47 smsc95xx.macaddr=B8:27:EB:BA:4B:07 vc_mem.mem_base=0x1fa00000 vc_mem.mem_size=0x20000000 copro=24 copro1_speed=3 copro3_speed=4 tube_delay=0 elk_mode=0 vdu=1 COPRO : 24 prim_set_dot_pattern_len = 0 prim_set_dot_pattern_len = 7 Tube ULA sample delay 0 Raspberry Pi Direct 24 65C02 (JIT) Client >> emulator speed 0 Copro Memory size 0

hoglet67 / PiTubeDirect

Latest firmware reports Pi Zero V Core is 1.8v #145