| cpu: CPU.CortexM @ sysbus |
| cpuType: "cortex-m4f" |
| nvic: nvic |
| PerformanceInMips: 96 |
| |
| nvic: IRQControllers.NVIC @ sysbus 0xE000E000 |
| -> cpu@0 |
| |
| // Memory |
| |
| // Renode-only helper peripheral placed in reserved address space. |
| // The error is logged with an unimplemented function's name if a valid |
| // LR value is written to the peripheral's address. |
| bootrom_logger: Miscellaneous.AmbiqApollo4_BootromLogger @ sysbus 0x07FFFFFC |
| bootromBaseAddress: 0x08000000 |
| |
| bootrom: Memory.MappedMemory @ sysbus 0x08000000 |
| size: 0x1000 |
| init: |
| // Bootrom in Ambiq Apollo4b contains functions which are used by SDK. |
| // Since the actual bootrom code isn't currently available even as a blob, |
| // these simple implementations for necessary functions are provided: |
| |
| // * program_main2 |
| WriteWord 0x6C 0x2900 // asm: cmp r1, #0 // compare arg1 |
| WriteWord 0x6E 0xD000 // asm: beq 0x72 // jump to 0x72 if equal |
| WriteWord 0x70 0xE0D6 // asm: b 0x220 // jump to 0x220 |
| WriteWord 0x72 0xE0C5 // asm: b 0x200 // jump to 0x200 |
| |
| // * read_word |
| WriteWord 0x74 0x6800 // asm: ldr r0, [r0, #0] |
| WriteWord 0x76 0x4770 // asm: bx lr |
| |
| // * delay -- called with a number of iterations in 'r0' (see 'am_hal_delay_us' in |
| // SDK's 'mcu/apollo4p/hal/mcu/am_hal_utils.c'). 15 iterations are added |
| // because in hardware equivalent time is spent on checking burst mode |
| // and adjusting to it. It's safe to do so -- with AmbiqSuite v4.2 the |
| // number of iterations passed will always be lower than '2^32 - 1 - 15'. |
| WriteWord 0x9C 0x300F // asm: adds r0, #15 // add 15 iterations |
| WriteWord 0x9E 0x3801 // asm: subs r0, #1 // decrement number of iterations |
| WriteWord 0xA0 0x2800 // asm: cmp r0, #0 // compare with 0 |
| WriteWord 0xA2 0xd1fc // asm: bne.n 0x9E // jump to 0x9E if not equal |
| WriteWord 0xA4 0x4770 // asm: bx lr // return |
| |
| // A handler which prevents silent usage of unimplemented functions: |
| // 1. the address of the caller (LR) is written to the 'bootrom_logger' |
| // (see above) which logs an error with the name of the function, |
| // 2. the jump to the 'logger_address' is performed, which aborts the |
| // simulation because it isn't a MappedMemory. |
| WriteDoubleWord 0x30 0x3014f8df // asm: ldr r3, logger_address |
| WriteDoubleWord 0x34 0xe000f8c3 // asm: str lr, [r3] |
| WriteWord 0x38 0x4718 // asm: bx r3 |
| WriteDoubleWord 0x48 0x07fffffc // logger_address |
| |
| // Unimplemented functions jump to the handler (asm: bl handler). |
| WriteDoubleWord 0x4C 0xfff0f7ff // mass_erase |
| WriteDoubleWord 0x50 0xffeef7ff // page_erase |
| WriteDoubleWord 0x54 0xffecf7ff // program_main |
| WriteDoubleWord 0x58 0xffeaf7ff // program_info_area |
| WriteDoubleWord 0x78 0xffdaf7ff // write |
| WriteDoubleWord 0x80 0xffd6f7ff // info_erase |
| WriteDoubleWord 0x98 0xffcaf7ff // recovery |
| |
| // * program_main2 -- with parm1 == 0, assuming that numWords is not 0 |
| WriteWord 0x200 0x9800 // asm: ldr r0, [sp] // load numWords from stack |
| WriteWord 0x202 0x0080 // asm: lsl r0, r0, #2 // multiply numWords by 4 (to get number of bytes) |
| WriteWord 0x204 0x009B // asm: lsl r3, r3, #2 // multiply dst to get the actual address |
| WriteWord 0x206 0x501A // asm: str r2, [r3, r0] // store r2 to dst + numWords |
| WriteWord 0x208 0x3804 // asm: subs r0, #4 // decrease numWords |
| WriteWord 0x20A 0x2800 // asm: cmp r0, #0 // compare numWords with 0 |
| WriteWord 0x20C 0xDAFB // asm: bge 0x206 // jump to 0x206 if not negative |
| WriteWord 0x20E 0x2000 // asm: movs r0, #0 // set return value to OK |
| WriteWord 0x210 0x4770 // asm: bx lr // return |
| |
| // * program_main2 -- with parm1 == 1, assuming that numWords is not 0 |
| WriteWord 0x220 0x9800 // asm: ldr r0, [sp] // load numWords from stack |
| WriteWord 0x222 0x0080 // asm: lsl r0, r0, #2 // multiply numWords by 4 (to get number of bytes) |
| WriteWord 0x224 0x009B // asm: lsl r3, r3, #2 // multiply dst to get the actual address |
| WriteWord 0x226 0x5811 // asm: ldr r1, [r2, r0] // load src + numWords to r5 |
| WriteWord 0x228 0x5019 // asm: str r1, [r3, r0] // store r1 to dst + numWords |
| WriteWord 0x22A 0x3804 // asm: subs r0, #4 // decrease numWords |
| WriteWord 0x22C 0x2800 // asm: cmp r0, #0 // compare numWords with 0 |
| WriteWord 0x22E 0xDAFA // asm: bge 0x226 // jump to 0x226 if not negative |
| WriteWord 0x230 0x2000 // asm: movs r0, #0 // set return value to OK |
| WriteWord 0x232 0x4770 // asm: bx lr // return |
| |
| mcu_mram: Memory.MappedMemory @ sysbus 0x00000000 |
| size: 0x200000 |
| |
| mcu_tcm: Memory.MappedMemory @ sysbus 0x10000000 |
| size: 0x60000 |
| |
| shared_sram: Memory.MappedMemory @ sysbus 0x10060000 |
| size: 0x100000 |
| |
| // Other peripherals |
| |
| adc: Analog.AmbiqApollo4_ADC @ sysbus 0x40038000 |
| // The last 6 bits contain the fraction part in measurement averages computed from multiple samples. |
| Channel0Data: 0x40 // Min value for the integer part. |
| Channel1Data: 0xAAAA |
| Channel2Data: 0x15555 |
| Channel3Data: 0x1FFFF |
| Channel4Data: 0x2AAAA |
| Channel5Data: 0x35555 |
| Channel6Data: 0x3FFC0 // Max value for the integer part. |
| -> nvic@19 |
| |
| gpio: GPIOPort.AmbiqApollo4_GPIO @ sysbus 0x40010000 |
| McuN0IrqBank0 -> nvic@56 |
| McuN0IrqBank1 -> nvic@57 |
| McuN0IrqBank2 -> nvic@58 |
| McuN0IrqBank3 -> nvic@59 |
| McuN1IrqBank0 -> nvic@60 |
| McuN1IrqBank1 -> nvic@61 |
| McuN1IrqBank2 -> nvic@62 |
| McuN1IrqBank3 -> nvic@63 |
| |
| iom0: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40050000 |
| -> nvic@6 |
| |
| iom1: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40051000 |
| -> nvic@7 |
| |
| iom2: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40052000 |
| -> nvic@8 |
| |
| iom3: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40053000 |
| -> nvic@9 |
| |
| iom4: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40054000 |
| -> nvic@10 |
| |
| iom5: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40055000 |
| -> nvic@11 |
| |
| iom6: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40056000 |
| -> nvic@12 |
| |
| iom7: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40057000 |
| -> nvic@13 |
| |
| rtc: Timers.AmbiqApollo4_RTC @ sysbus 0x40004800 |
| -> nvic@2 |
| |
| timerIRQ: Miscellaneous.CombinedInput @ none |
| numberOfInputs: 16 |
| -> nvic@14 |
| |
| timer: Timers.AmbiqApollo4_Timer @ sysbus 0x40008000 |
| 0 -> timerIRQ@0 | nvic@67 |
| 1 -> timerIRQ@1 | nvic@68 |
| 2 -> timerIRQ@2 | nvic@69 |
| 3 -> timerIRQ@3 | nvic@70 |
| 4 -> timerIRQ@4 | nvic@71 |
| 5 -> timerIRQ@5 | nvic@72 |
| 6 -> timerIRQ@6 | nvic@73 |
| 7 -> timerIRQ@7 | nvic@74 |
| 8 -> timerIRQ@8 | nvic@75 |
| 9 -> timerIRQ@9 | nvic@76 |
| 10 -> timerIRQ@10 | nvic@77 |
| 11 -> timerIRQ@11 | nvic@78 |
| 12 -> timerIRQ@12 | nvic@79 |
| 13 -> timerIRQ@13 | nvic@80 |
| 14 -> timerIRQ@14 | nvic@81 |
| 15 -> timerIRQ@15 | nvic@82 |
| |
| stimer: Timers.AmbiqApollo4_SystemTimer @ sysbus 0x40008800 |
| IRQA -> nvic@32 |
| IRQB -> nvic@33 |
| IRQC -> nvic@34 |
| IRQD -> nvic@35 |
| IRQE -> nvic@36 |
| IRQF -> nvic@37 |
| IRQG -> nvic@38 |
| IRQH -> nvic@39 |
| IRQI -> nvic@40 |
| |
| uart0: UART.PL011 @ sysbus 0x4001C000 |
| -> nvic@15 |
| |
| uart1: UART.PL011 @ sysbus 0x4001D000 |
| -> nvic@16 |
| |
| uart2: UART.PL011 @ sysbus 0x4001E000 |
| -> nvic@17 |
| |
| uart3: UART.PL011 @ sysbus 0x4001F000 |
| -> nvic@18 |
| |
| pwrctrl: Miscellaneous.AmbiqApollo4_PowerController @ sysbus 0x40021000 |
| |
| security: Miscellaneous.AmbiqApollo4_Security @ sysbus 0x40030000 |
| |
| wdt: Timers.AmbiqApollo4_Watchdog @ sysbus 0x40024000 |
| |
| cpu_complex: Python.PythonPeripheral @ sysbus 0x48000000 |
| size: 0x1000 |
| // DAXI Control = 0x4 - DAXIREADY bit set |
| script: "request.value = 0x4 if request.offset == 0x54 else 0" |
| |
| sysbus: |
| init: |
| SilenceRange <0x40020000, 0x40020FFF> // MCUCTRL |
| SilenceRange <0x47FF0000, 0x47FF0004> // SYNC_READ |
| |
| Tag <0x0800004D,0x0800009F> "CPU_BOOTROM" |
| Tag <0x40004000,0x40004FFF> "CLKGEN" |
| Tag <0x40008000,0x400087FF> "TIMER" |
| Tag <0x40014000,0x40014FFF> "MRAM" |
| |
| Tag <0x400C0000,0x400C3FFF> "CRYPTO" |
| Tag <0x400C2000,0x400C3FFF> "OTP" |
| |
| Tag <0x42000000,0x4200FFFF> "NVM_OTP" |
| Tag <0x42000000,0x42000067> "INFO0" |
| Tag <0x42002000,0x4200332F> "INFO1" |
| |
| Tag <0xE0000000,0xE0000FFF> "ITM" |
| Tag <0xF0000000,0xF0000FFF> "JEDEC" |
