A80/Memory map

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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 sun9i
0x00000000 0x00007fff 32KiB BROM Boot Read Only Memory Y
0x00008000 0x0000ffff 32KiB BROM Boot Read Only Memory Y
0x00010000 0x00019fff 40KiB SRAM A1 Fast onchip Static Ram, Bank A1 Y
0x08100000 0x08127fff 160KiB SRAM A2 Fast onchip Static Ram, Bank A2 (shared with embedded processor) Y
0x00020000 0x0005ffff 256KiB SRAM B Fast onchip Static Ram, Bank B (stated as 'secure' on the datasheet) Y
0x01d00000 0x01dfffff 1MiB SRAM A4 Fast onchip Static Ram, Bank C Y
0x01400000 0x0141ffff 64kiB CoreSight Config registers CoreSight Debug Module Y
AHB0 devices
0x01c02000 0x01c02fff 4 KiB SS Config registers Security System
0x01c03000 0x01c03fff 4KiB NFC0 Config registers Nand Flash Controller 0 Y
0x01c04000 0x01c04fff 4KiB NFC1 Config registers Nand Flash Controller 1 Y
0x01c06000 0x01c06fff 4KiB TS Config registers Transport Stream controller (DVB) Y
0x01c08000 0x01c08fff 4KiB GPU Control registers GPU Control Y
0x01c09000 0x01c09fff 4KiB GTBUS Config registers GTBUS Y
0x01c0a000 0x01c0afff 4KiB SATA Config registers Serial AT Attachment Y
0x01c0e000 0x01c0efff 4KiB SID Config registers Secure ID Y
0x01c0f000 0x01c0ffff 4KiB MMC0 Config registers MultiMedia Controller 0 (SD Card) Y
0x01c10000 0x01c10fff 4KiB MMC1 Config registers MultiMedia Controller 1 (SD Card) Y
0x01c11000 0x01c11fff 4KiB MMC2 Config registers MultiMedia Controller 2 (SD Card) Y
0x01c12000 0x01c12fff 4KiB MMC3 Config registers MultiMedia Controller 3 (SD Card) Y
0x01c1a000 0x01c1afff 4KiB SPI0 Config registers Serial Peripheral Interface Bus 0 Y
0x01c1b000 0x01c1bfff 4KiB SPI1 Config registers Serial Peripheral Interface Bus 1 Y
0x01c1c000 0x01c1cfff 4KiB SPI2 Config registers Serial Peripheral Interface Bus 2 Y
0x01c1d000 0x01c1dfff 4KiB SPI3 Config registers Serial Peripheral Interface Bus 3 Y
0x01c1f000 0x01c1ffff 4KiB MIPI HSI Config registers MIPI HSI Y
0x01c40000 0x01c47fff 32KiB A20/GIC/GIC ARM Generic Interrupt Controller Y
0x01c62000 0x01c62fff 4KiB DRAMCOM DRAMCOM Y
0x01c63000 0x01c63fff 4KiB DRAMCTRL0 DRAMCTRL0 Y
0x01c64000 0x01c64fff 4KiB DRAMCTRL1 DRAMCTRL1 Y
0x01c65000 0x01c65fff 4KiB DRAMPHY0 DRAMPHY0 Y
0x01c66000 0x01c66fff 4KiB DRAMPHY1 DRAMPHY1 Y
0x01c90000 0x01c90fff 4KiB CCI400 CCI400 Y
AHB1 Devices
0x00800000 0x00800fff 4KiB SRAM Config registers Fast onchip Static Ram Controller Y
0x00801000 0x00801fff 4KiB HSTimer High-Speed Timer Y
0x00802000 0x00802fff 4KiB DMA Config registers DMA Y
0x00803000 0x00803fff 4KiB MSGBOX Config registers Message box interface to embedded core Y
0x00804000 0x00804fff 4KiB SPINLOCK Config registers Hardware spinlock shared with embedded core Y
0x00805000 0x00805fff 4KiB TZASC Config registers TrustZone Address Space Controller Y
0x00830000 0x00830fff 4KiB GMAC Gigabit Media Access Control Y
0x00900000 0x009fffff ?KiB USB 3.0 OTG USB 3.0 OTG controller (likely dwc3) Y
0x00a00000 0x00a00fff 4KiB USB0 Config registers Universal Serial Bus 0 (HCI) Y
0x00a01000 0x00a01fff 4KiB USB1 Config registers Universal Serial Bus 1 (HCI) Y
0x00a02000 0x00a02fff 4KiB USB2 Config registers Universal Serial Bus 2 (HCI) Y
0x00a08000 0x00a08fff 4KiB USB Control registers Universal Serial Bus SIE/PHY clocks, resets, and controls Y
AHB2 Devices
0x03000000 0x03000fff 4KiB DE SYS Display Engine SYS Y
0x03000000 0x03000fff 4KiB DISP SYS Display SYS Y
0x03100000 0x0311ffff 128KiB DE_FE 0 Config registers Display Engine FrontEnd 0 Y
0x03140000 0x0315ffff 128KiB DE_FE 1 Config registers Display Engine FrontEnd 1 Y
0x03180000 0x0319ffff 128KiB DE_FE 2 Config registers Display Engine FrontEnd 2 Y
0x03200000 0x0321ffff 128KiB DE_BE 0 Config registers Display Engine BackEnd 0 Y
0x03240000 0x0325ffff 128KiB DE_BE 1 Config registers Display Engine BackEnd 1 Y
0x03280000 0x0329ffff 128KiB DE_BE 2 Config registers Display Engine BackEnd 2 Y
0x03300000 0x0331ffff 128KiB DEU 0 Config registers DEU 0 Y
0x03340000 0x0335ffff 128KiB DEU 1 Config registers DEU 1 Y
0x03400000 0x0341ffff 128KiB DRC 0 Config registers DRC 0 Y
0x03440000 0x0345ffff 128KiB DRC 1 Config registers DRC 1 Y
0x03800000 0x03800fff 4KiB CSI0 Config registers Camera Sensor Interface 0 Y
0x03801000 0x03801fff 4KiB MIPI CSI0 Config registers MIPI Camera Sensor Interface 0 Y
0x03802000 0x03802fff 4KiB MIPI CSI0 PHY Config registers MIPI Camera Sensor Interface 0 PHY Y
0x03803000 0x03803fff 4KiB CSI0 CCI registers CSI0 CCI Y
0x03808000 0x03808fff 4KiB ISP Config registers HawkView ISP (Camera Image Signal Processor) Y
0x03900000 0x03900fff 4KiB CSI1 Config registers Camera Sensor Interface 1 Y
0x03903000 0x03903fff 4KiB CSI0 CCI registers CSI0 CCI Y
0x03a00000 0x03a00fff 4KiB FD IO registers FD Y
0x03a01000 0x03a01fff 4KiB FD memory FD Y
0x03a4e000 0x03a4efff 4KiB VE Config registers Video Engine Y
0x03c00000 0x03c00fff 4KiB LCD0 Config registers Liquid Crystal Display controller 0 Y
0x03c10000 0x03c10fff 4KiB LCD1 Config registers Liquid Crystal Display controller 1 Y
0x03c20000 0x03c20fff 4KiB LCD1 Config registers Liquid Crystal Display controller 2 Y
0x03c40000 0x03c400ff 4KiB MIPI DSI0 Config registers MIPI Display Serial Interface 0 Y
0x03c40100 0x03c401ff 4KiB MIPI DSI0 PHY Config registers MIPI Display Serial Interface 0 PHY Y
0x03d00000 0x03d00fff 4KiB HDMI Config registers High-Definition Multimedia Interface Y
0x03f00000 0x03f1ffff 128KiB MP Config registers Mixer Processor Y
APB0 Devices
0x06000000 0x060007ff 2KiB CCM Config registers Clock Control Module Y
0x06000800 0x06000bff 1KiB PIO Config registers Programmable Input Output Y
0x06000c00 0x06000dff 512B Timer Config registers Timers Y
0x06001000 0x060013ff 1KiB SPDIF Config registers Sony Philips Digital InterFace Y
0x06001400 0x060015ff 512B PWM Config registers Pulse Width Modulation Y
0x06001800 0x06001bff 1KiB LRADC Config registers Low Resolution Analog Digital Converter 0 and 1 Y
0x06001c00 0x06001fff 1KiB AC97 Config registers Audio Codec 1997 Y
0x06002000 0x060023ff 1KiB IIS0 Config registers Integrated Interchip Sound 0 (I2S) Y
0x06002400 0x060027ff 1KiB IIS1 Config registers Integrated Interchip Sound 1 (I2S) Y
0x06003000 0x060033ff 1KiB Timer Watchdog Config registers Timer Watchdog Y
0x06003400 0x060037ff 1KiB TZPC Config registers TrustZone Protection Controller Y
0x06003c00 0x06003fff 1KiB SJTAG Config registers Secure JTAG Y
0x06004400 0x060047ff 1KiB Consumer InfraRed TX Config registers Consumer InfraRed TX Y
0x06004c00 0x06004fff 1KiB GPADC Config registers General Purpose ADC Y
APB1 Devices
0x07000000 0x070003ff 1KiB UART0 Config registers Universal Asynchronous Receiver/Transmitter 0 Y
0x07000400 0x070007ff 1KiB UART1 Config registers Universal Asynchronous Receiver/Transmitter 1 Y
0x07000800 0x07000bff 1KiB UART2 Config registers Universal Asynchronous Receiver/Transmitter 2 Y
0x07000c00 0x07000fff 1KiB UART3 Config registers Universal Asynchronous Receiver/Transmitter 3 Y
0x07001000 0x070013ff 1KiB UART4 Config registers Universal Asynchronous Receiver/Transmitter 4 Y
0x07001000 0x070017ff 1KiB UART5 Config registers Universal Asynchronous Receiver/Transmitter 5 Y
0x07002800 0x07002bff 1KiB TWI0 Config registers Two Wire Interface 0 Y
0x07002c00 0x07002fff 1KiB TWI1 Config registers Two Wire Interface 1 Y
0x07003000 0x070033ff 1KiB TWI2 Config registers Two Wire Interface 2 Y
0x07003400 0x070037ff 1KiB TWI3 Config registers Two Wire Interface 3 Y
0x07003800 0x07003bff 1KiB TWI4 Config registers Two Wire Interface 4 Y
CPUS (R block) Devices
0x08000800 0x08000bff 1KiB R_Timer Config registers R block Timer Y
0x08000c00 0x08000fff 1KiB R_NVIC Config registers R_NVIC Y
0x08001000 0x080013ff 1KiB R_Watchdog Config registers R block Watchdog Y
0x08001400 0x080017ff 1KiB R_PRCM Config registers Power, Reset, Clock management Y
0x08001c00 0x08001fff 1KiB R_CNT Config registers R_CNT Y
0x08002000 0x080023ff 1KiB R_CIR_RX Config registers R block Consumer IR receiver Y
0x08002400 0x080027ff 1KiB R_TWI0 Config registers R block Two Wire Interface 0 Y
0x08002800 0x08002bff 1KiB R_UART Config registers R_UART Y
0x08002c00 0x08002fff 1KiB R_PIO Config registers R block Pin Controller Y
0x08003000 0x080033ff 1KiB R_ONE_WIRE Config registers R block One Wire interface Y
0x08003400 0x080037ff 1KiB R_RSB Config registers R block Reduced Serial Bus Y
0x08003800 0x08003bff 1KiB R_TWI1 Config registers R block Two Wire Interface 1 Y
0x08004000 0x080043ff 1KiB R_PS2_0 Config registers R block PS/2 interface 0 Y
0x08004400 0x080047ff 1KiB R_PS2_1 Config registers R block PS/2 interface 1 Y
0x08006000 0x08006fff 4KiB R_DAUDIO_0 Config registers R block Integrated Interchip Sound 2 (I2S) / PCM interface 0 Y
0x08007000 0x08007fff 4KiB R_DAUDIO_1 Config registers R block Integrated Interchip Sound 2 (I2S) / PCM interface 1 Y
0x08008000 0x08008fff 4KiB R_DMA Config registers R block DMA controller Y
Memory
0x20000000 0x21fffffff 4GiB DDR-II/DDR-III General memory space Y
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