A31/Memory map
< A31
Jump to navigation
Jump to search
ARM Core can access to control registers and physical memories over global memory space described here:
Memory Map
CPU Memory space
| Start | End | Size | Name | Short description | sun6i | sun8i |
|---|---|---|---|---|---|---|
| 0x00000000 | 0x00003fff | 16KiB | SRAM A1 | Fast onchip Static Ram, Bank A1 | Y | Y |
| 0x00004000 | 0x0000ffff | 48KiB | VE SRAM | Fast onchip Static Ram, For VE | Y | Y |
| 0x00010000 | 0x00010fff | 4KiB | SRAM D | Fast onchip Static Ram, Bank D | Y | |
| 0x00020000 | 0x0002ffff | 64KiB | SRAM B | Fast onchip Static Ram, Bank B (Secure) | Y | |
| 0x00044000 | 0x00053fff | 64KiB | SRAM A2 | Fast onchip Static Ram, Bank A2, shared with OpenRISC core | Y | Y |
| 0x01c00000 | 0x01c00fff | 4KiB | SRAM Config registers | Fast onchip Static Ram Controller | Y | Y |
| 0x01c02000 | 0x01c02fff | 4KiB | DMA Config registers | DMA | Y | Y |
| 0x01c03000 | 0x01c03fff | 4KiB | NFC0 Config registers | Nand Flash Controller | Y | Y |
| 0x01c04000 | 0x01c04fff | 4KiB | TS Config registers | Transport Stream controller (DVB) | Y | |
| 0x01c05000 | 0x01c05fff | 4KiB | NFC1 Config registers | Nand Flash Controller | Y | Y |
| 0x01c0c000 | 0x01c0cfff | 4KiB | LCD0 Config registers | Liquid Crystal Display controller 0 | Y | Y |
| 0x01c0d000 | 0x01c0dfff | 4KiB | LCD1 Config registers | Liquid Crystal Display controller 1 | Y | N |
| 0x01c0e000 | 0x01c0efff | 4KiB | VE Config registers | Video Engine | Y | Y |
| 0x01c0f000 | 0x01c0ffff | 4KiB | MMC0 Config registers | MultiMedia Controller 0 (SD Card) | Y | Y |
| 0x01c10000 | 0x01c10fff | 4KiB | MMC1 Config registers | MultiMedia Controller 1 (SD Card) | Y | Y |
| 0x01c11000 | 0x01c11fff | 4KiB | MMC2 Config registers | MultiMedia Controller 2 (SD Card) | Y | Y |
| 0x01c12000 | 0x01c12fff | 4KiB | MMC3 Config registers | MultiMedia Controller 3 (SD Card) | Y | |
| 0x01c15000 | 0x01c15fff | 4KiB | SS Config registers | Security System | Y | Y |
| 0x01c16000 | 0x01c16fff | 4KiB | HDMI Config registers | High-Definition Multimedia Interface | Y | |
| 0x01c17000 | 0x01c17fff | 4KiB | MSGBOX Config registers | Message box interface to OpenRISC core | Y | Y |
| 0x01c18000 | 0x01c18fff | 4KiB | SPINLOCK Config registers | Hardware spinlock | Y | Y |
| 0x01c19000 | 0x01c19fff | 4KiB | USB0 Config registers | Universal Serial Bus 0 (OTG) | Y | Y |
| 0x01c1a000 | 0x01c1afff | 4KiB | USB1 Config registers | Universal Serial Bus 1 (HCI) | Y | Y |
| 0x01c1b000 | 0x01c1bfff | 4KiB | USB2 Config registers | Universal Serial Bus 2 (HCI) | Y | |
| 0x01c1c000 | 0x01c1cfff | 4KiB | USB2 Config registers | Universal Serial Bus 3 (OHCI only) | Y | |
| 0x01c1e000 | 0x01c1efff | 4KiB | TZASC Config registers | Trust Zone Access Space Controller | Y | |
| 0x01c20000 | 0x01c203ff | 1KiB | CCM Config registers | Clock Control Module | Y | Y |
| 0x01c20800 | 0x01c20bff | 1KiB | PIO Config registers | Programmable Input Output | Y | Y |
| 0x01c20c00 | 0x01c20fff | 1KiB | Timer Config registers | Timers | Y | Y |
| 0x01c21000 | 0x01c213ff | 1KiB | SPDIF Config registers | Sony Philips Digital InterFace | Y | |
| 0x01c21400 | 0x01c217ff | 1KiB | PWM Config registers | Pulse Width Modulation | Y | Y |
| 0x01c22000 | 0x01c223ff | 1KiB | IIS0 Config registers | Integrated Interchip Sound 0 (I2S) | Y | Y |
| 0x01c24000 | 0x01c247ff | 1KiB | IIS1 Config registers | Integrated Interchip Sound 1 (I2S) | Y | Y |
| 0x01c22800 | 0x01c22bff | 1KiB | LRADC Config registers | Low Resolution Analog Digital Converter 0 and 1 | Y | Y |
| 0x01c22c00 | 0x01c22fff | 1KiB | AD/DA | Digital Analog and Digital Analog converters | Y | Y |
| 0x01c23000 | 0x01c233ff | 1KiB | Keypad Config registers | Keyboard controller | Y | |
| 0x01c23400 | 0x01c237ff | 1KiB | TZPC Config registers | TrustZone Protection Controller | Y | |
| 0x01c23800 | 0x01c23bff | 1KiB | SID Config registers | Secure ID | Y | |
| 0x01c23c00 | 0x01c23fff | 1KiB | SJTAG Config registers | Secure JTAG | Y | |
| 0x01c25000 | 0x01c253ff | 1KiB | TP Config registers | Resitive Touch Panel controller | Y | |
| 0x01c25000 | 0x01c253ff | 1KiB | GPADC Config registers | Temperature Sensor controller | Y | |
| 0x01c25400 | 0x01c257ff | 1KiB | DMIC | ? | Y | |
| 0x01c28000 | 0x01c283ff | 1KiB | UART0 Config registers | Universal Asynchronous Receiver/Transmitter 0 | Y | Y |
| 0x01c28400 | 0x01c287ff | 1KiB | UART1 Config registers | Universal Asynchronous Receiver/Transmitter 1 | Y | Y |
| 0x01c28800 | 0x01c28bff | 1KiB | UART2 Config registers | Universal Asynchronous Receiver/Transmitter 2 | Y | Y |
| 0x01c28c00 | 0x01c28fff | 1KiB | UART3 Config registers | Universal Asynchronous Receiver/Transmitter 3 | Y | Y |
| 0x01c29000 | 0x01c293ff | 1KiB | UART4 Config registers | Universal Asynchronous Receiver/Transmitter 4 | Y | Y |
| 0x01c29400 | 0x01c297ff | 1KiB | UART5 Config registers | Universal Asynchronous Receiver/Transmitter 5 | Y | |
| 0x01c2ac00 | 0x01c2afff | 1KiB | TWI0 Config registers | Two Wire Interface 0 | Y | Y |
| 0x01c2b000 | 0x01c2b3ff | 1KiB | TWI1 Config registers | Two Wire Interface 1 | Y | Y |
| 0x01c2b400 | 0x01c2b7ff | 1KiB | TWI2 Config registers | Two Wire Interface 2 | Y | Y |
| 0x01c2b800 | 0x01c2bbff | 1KiB | TWI3 Config registers | Two Wire Interface 3 | Y | |
| 0x01c30000 | 0x01c3ffff | 64KiB | GMAC | Gigabit Media Access Control | Y | |
| 0x01c40000 | 0x01c4ffff | 64KiB | Mali 400 Config registers | Arm Mali 400 GPU | Y | Y |
| 0x01c60000 | 0x01c60fff | 4KiB | HSTimer | High-Speed Timer | Y | Y |
| 0x01c62000 | 0x01c62fff | 4KiB | DRAMCOM Config registers | DRAM related | Y | Y |
| 0x01c63000 | 0x01c63fff | 4KiB | DRAMCTL0 Config registers | DRAM Controller 0 | Y | Y |
| 0x01c64000 | 0x01c64fff | 4KiB | DRAMCTL1 Config registers | DRAM Controller 1 | Y | |
| 0x01c65000 | 0x01c65fff | 4KiB | DRAMPHY0 Config registers | DRAM PHY 0 | Y | Y |
| 0x01c66000 | 0x01c66fff | 4KiB | DRAMCTL1 Config registers | DRAM PHY 1 | Y | |
| 0x01c68000 | 0x01c68fff | 4KiB | SPI0 Config registers | Serial Peripheral Interface Bus 0 | Y | Y |
| 0x01c69000 | 0x01c69fff | 4KiB | SPI1 Config registers | Serial Peripheral Interface Bus 1 | Y | Y |
| 0x01c6a000 | 0x01c6afff | 4KiB | SPI2 Config registers | Serial Peripheral Interface Bus 0 | Y | |
| 0x01c6b000 | 0x01c6bfff | 4KiB | SPI3 Config registers | Serial Peripheral Interface Bus 1 | Y | |
| 0x01c80000 | 0x01c80fff | 4KiB | SCU Config registers | ARM Snoop Control Unit? | Y | Y |
| 0x01c81000 | 0x01c81fff | 4KiB | GIC Distributor Interface registers | ARM Generic Interrupt Controller | Y | Y |
| 0x01c82000 | 0x01c82fff | 4KiB | GIC CPU Interface registers | ARM Generic Interrupt Controller | Y | Y |
| 0x01ca0000 | 0x01ca0fff | 4KiB | MIPI DSI0 Config registers | MIPI Display Serial Interface 0 | Y | Y |
| 0x01ca1000 | 0x01ca1fff | 4KiB | MIPI DSI0 PHY Config registers | MIPI Display Serial Interface 0 PHY | Y | Y |
| 0x01cb0000 | 0x01cb0fff | 4KiB | CSI0 Config registers | Camera Serial Interface 0 | Y | Y |
| 0x01cb1000 | 0x01cb1fff | 4KiB | MIPI CSI0 Config registers | MIPI Camera Serial Interface 0 | Y | |
| 0x01cb2000 | 0x01cb2fff | 4KiB | MIPI CSI0 PHY Config registers | MIPI Camera Serial Interface 0 PHY | Y | |
| 0x01cb3000 | 0x01cb3fff | 4KiB | CSI1 Config registers | Camera Serial Interface 1 | Y | |
| 0x01cb8000 | 0x01cb???? | ??? KiB | ISP Config registers | HawkView ISP (Camera Image Signal Processor) | Y | |
| 0x01cc0000 | 0x01cc???? | ??? KiB | ISP Memory | HawkView ISP (Camera Image Signal Processor) | Y | |
| 0x01d00000 | 0x01dfffff | 1MiB | SRAM C | Fast onchip Static Ram, Bank C | Y | |
| 0x01e00000 | 0x01e1ffff | 128KiB | DE_FE 0 Config registers | Display Engine FrontEnd 0 | Y | Y |
| 0x01e20000 | 0x01e3ffff | 128KiB | DE_FE 1 Config registers | Display Engine FrontEnd 1 | Y | |
| 0x01e40000 | 0x01e4ffff | 128KiB | DE_BE 0 Config registers | Display Engine BackEnd 1 | Y | |
| 0x01e50000 | 0x01e5ffff | 64KiB | IEP1 Config registers | Image Enhancement Processor | Y | |
| 0x01e60000 | 0x01e6ffff | 64KiB | DE_BE 0 Config registers | Display Engine BackEnd 0 | Y | Y |
| 0x01e70000 | 0x01e7ffff | 64KiB | IEP0 Config registers | Image Enhancement Processor | Y | Y |
| 0x01e80000 | 0x01e9ffff | 128KiB | MP Config registers | Mixer Processor | Y | |
| 0x01ea0000 | 0x01eaffff | 64KiB | DEU1 Config registers | ? | Y | |
| 0x01eb0000 | 0x01ebffff | 64KiB | DEU0 Config registers | ? | Y | |
| 0x01ef0000 | 0x01efffff | 64KiB | PS | ? | Y | |
| 0x01f00000 | 0x01f003ff | 1KiB | RTC Config registers | Real Time Clock | Y | Y |
| 0x01f00800 | 0x01f00bff | 1KiB | R_Timer Config registers | RTC block Timer | Y | Y |
| 0x01f00c00 | 0x01f00fff | 1KiB | R_INTC Config registers | RTC block Interrupt Controller (NMI) | Y | Y |
| 0x01f01000 | 0x01f013ff | 1KiB | R_WDOG Config registers | RTC block Watchdog | Y | Y |
| 0x01f01400 | 0x01f017ff | 1KiB | R_PRCM Config registers | RTC block Power, Reset & Clock Management | Y | Y |
| 0x01f01c00 | 0x01f01fff | 1KiB | R_CPUCFG Config registers | RTC block CPU Config registers | Y | Y |
| 0x01f02000 | 0x01f023ff | 1KiB | R_CIR Config registers | RTC block Consumer InfraRed Controller | Y | |
| 0x01f02400 | 0x01f027ff | 1KiB | R_TWI Config registers | RTC block Two Wire Interface Controller | Y | Y |
| 0x01f02800 | 0x01f02bff | 1KiB | R_UART Config registers | RTC block Universal Asynchronous Receiver/Transmitter | Y | Y |
| 0x01f02c00 | 0x01f02fff | 1KiB | R_PIO Config registers | RTC block PIO controller | Y | Y |
| 0x01f03000 | 0x01f033ff | 1KiB | R_ONE_WIRE Config registers | RTC block One Wire Interface Controller | Y | |
| 0x01f03400 | 0x01f037ff | 1KiB | R_P2WI Config registers | RTC block Push-Pull 2 Wire Interface Controller | Y | |
| 0x01f03400 | 0x01f037ff | 1KiB | R_RSB Config registers | RTC block Reduced Serial Bus Interface Controller | Y | |
| 0x3f500000 | 0x3f50ffff | 64kiB | CoreSight Config registers | CoreSight Debug Module | Y | Y |
| 0x3f506000 | 0x3f506fff | 4kiB | TSGEN Readonly registers | Y | Y | |
| 0x3f507000 | 0x3f507fff | 4kiB | TSGEN Config registers | Y | Y | |
| 0x40000000 | 0xbfffffff | 2GiB | DDR-II/DDR-III | General memory space | Y | Y |
| 0xc0000000 | 0xfffdffff | 64KiB | ||||
| 0xffff0000 | 0xffff7fff | 32KiB | BROM | Boot Read Only Memory | Y | Y |
| 0xffff8000 | 0xffffffff | 32KiB |