| |
| TODO: specify IDE i/f |
| |
| |
| =============================================================================== |
| C P U , M E M O R Y , I N / O U T C O M P O N E N T S |
| =============================================================================== |
| see also [1]-[5] |
| |
| CPU: "DNP_ESC1" |
| 32 bit NIOS for 50 MHz |
| 512 Byte for register file (30 levels) |
| with out instruction cache |
| with out data cache |
| 2 KByte On Chip ROM with GERMS boot monitor |
| with out On Chip RAM |
| MSTEP multiplier |
| no Debug Core |
| no On Chip Instrumentation (OCI) |
| |
| U-Boot CFG: CONFIG_SYS_NIOS_CPU_CLK = 50000000 |
| CONFIG_SYS_NIOS_CPU_ICACHE = (not present) |
| CONFIG_SYS_NIOS_CPU_DCACHE = (not present) |
| CONFIG_SYS_NIOS_CPU_REG_NUMS = 512 |
| CONFIG_SYS_NIOS_CPU_MUL = 0 |
| CONFIG_SYS_NIOS_CPU_MSTEP = 1 |
| CONFIG_SYS_NIOS_CPU_DBG_CORE = 0 |
| |
| IRQ: Nr. | used by |
| ------+-------------------------------------------------------- |
| 16 | TIMER0 | CONFIG_SYS_NIOS_CPU_TIMER0_IRQ = 16 |
| 17 | UART0 | CONFIG_SYS_NIOS_CPU_UART0_IRQ = 17 |
| 18 | UART1 | CONFIG_SYS_NIOS_CPU_UART1_IRQ = 18 |
| 20 | LAN91C111 | CONFIG_SYS_NIOS_CPU_LAN0_IRQ = |
| | PIO6 | CONFIG_SYS_NIOS_CPU_PIO6_IRQ = 20 |
| 25 | SPI0 | CONFIG_SYS_NIOS_CPU_SPI0_IRQ = 25 |
| 31 | PIO7 | CONFIG_SYS_NIOS_CPU_PIO7_IRQ = 31 |
| 32 | PIO8 | CONFIG_SYS_NIOS_CPU_PIO8_IRQ = 32 |
| 33 | PIO9 | CONFIG_SYS_NIOS_CPU_PIO9_IRQ = 33 |
| 34 | PIO10 | CONFIG_SYS_NIOS_CPU_PIO10_IRQ = 34 |
| 35 | PIO11 | CONFIG_SYS_NIOS_CPU_PIO11_IRQ = 35 |
| 36 | PIO12 | CONFIG_SYS_NIOS_CPU_PIO12_IRQ = |
| | IDE0 | CONFIG_SYS_NIOS_CPU_IDE0_IRQ = 36 |
| 37 | PIO13 | CONFIG_SYS_NIOS_CPU_PIO13_IRQ = |
| | IDE1 | CONFIG_SYS_NIOS_CPU_IDE1_IRQ = 37 |
| |
| MEMORY: 8 MByte Flash |
| 16 MByte SDRAM |
| |
| Timer: TIMER0: high priority programmable timer (IRQ16) |
| |
| U-Boot CFG: CONFIG_SYS_NIOS_CPU_TICK_TIMER = 0 |
| CONFIG_SYS_NIOS_CPU_USER_TIMER = (not present) |
| |
| PIO: Nr. | description |
| ------+-------------------------------------------------------- |
| PIO0 | PORTA: 8 in/outputs for general purpose usage |
| PIO1 | PORTB: 8 in/outputs for general purpose usage |
| PIO2 | PORTC: 4 in/outputs for general purpose usage |
| PIO3 | RCM: 1 input for RCM_EN# jumper (Req.Conf.Mon.) |
| PIO4 | WDTENA: 1 output to enable the on-board watchdog |
| PIO5 | WDTTRIG: 1 output to trigger the on-board watchdog |
| PIO6 | LAN0INT: 1 input for LAN91C111 irq input (IRQ20) |
| PIO7 | INT1: 1 input for general purpose irq (IRQ31) |
| PIO8 | INT2: 1 input for general purpose irq (IRQ32) |
| PIO9 | INT3: 1 input for general purpose irq (IRQ33) |
| PIO10| INT4: 1 input for general purpose irq (IRQ34) |
| PIO11| INT5: 1 input for general purpose irq (IRQ35) |
| PIO12| INT6: 1 input for general purpose irq (IRQ36) |
| | IDE0INT: (same) for IDE0 irq input |
| PIO13| INT7: 1 input for general purpose irq (IRQ37) |
| | IDE1INT: (same) for IDE1 irq input |
| |
| U-Boot CFG: CONFIG_SYS_NIOS_CPU_PORTA_PIO = 0 |
| CONFIG_SYS_NIOS_CPU_PORTB_PIO = 1 |
| CONFIG_SYS_NIOS_CPU_PORTC_PIO = 2 |
| CONFIG_SYS_NIOS_CPU_RCM_PIO = 3 |
| CONFIG_SYS_NIOS_CPU_WDTENA_PIO = 4 |
| CONFIG_SYS_NIOS_CPU_WDTTRIG_PIO = 5 |
| CONFIG_SYS_NIOS_CPU_LED_PIO = (not present) |
| |
| UART: UART0: fixed baudrate of 115200, fixed protocol 8N1, RTS/CTS (IRQ17) |
| UART1: fixed baudrate of 115200, fixed protocol 8N1, |
| without handshake RTS/CTS (IRQ18) |
| |
| SPI: SPI0: master capable, 1 slave selectable, 250kHz target clock, |
| 2 usec targets delay between slave select and clock, |
| data is transferred MSB-first / LSB-last (IRQ25) |
| |
| LAN: SMsC LAN91C111 with: |
| - without offset |
| - data bus width 16 bit (on-board hard wired at 32 bit bus) |
| - !!! 32 bit bus access --> each address * 2 !!! |
| |
| IDE: (TODO) |
| |
| |
| =============================================================================== |
| M E M O R Y M A P |
| =============================================================================== |
| |
| - - - - - - - - - - - external extension - - - - - - - - - - - - - - - - - - - |
| |
| 0x44000000 ---32-----------16|15------------0- |
| | | | \ |
| : (real size : : | |
| EXT3 (CS4) : and content : : > CONFIG_SYS_NIOS_CPU_CS3_SIZE |
| : unknown) : : | = 0x01000000 |
| | | | / |
| 0x43000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_CS3_BASE |
| | | | \ |
| : (real size : : | |
| EXT2 (CS3) : and content : : > CONFIG_SYS_NIOS_CPU_CS2_SIZE |
| : unknown) : : | = 0x01000000 |
| | | | / |
| 0x42000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_CS2_BASE |
| | | | \ |
| : (real size : : | |
| EXT1 (CS2) : and content : : > CONFIG_SYS_NIOS_CPU_CS1_SIZE |
| : unknown) : : | = 0x01000000 |
| | | | / |
| 0x41000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_CS1_BASE |
| | | | \ |
| : (real size : : | |
| EXT0 (CS1) : and content : : > CONFIG_SYS_NIOS_CPU_CS0_SIZE |
| : unknown) : : | = 0x01000000 |
| | | | / |
| 0x40000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_CS0_BASE |
| | | |
| : gap : |
| : : |
| |
| - - - - - - - - - - - external memory - - - - - - - - - - - - - - - - - - - |
| |
| : : |
| : gap : |
| | | |
| 0x03000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_STACK |
| | . | \ |
| | . | | (U-Boot run-time system) |
| | . | | |
| | . | > CONFIG_SYS_MONITOR_LEN |
| | . | | = 0x00040000 |
| | . | | |
| | . | / |
| 0x02fc0000 --+32-----------16|15------------0+ TEXT_BASE |
| | . | \ |
| | . | > CONFIG_SYS_MALLOC_LEN (heap) |
| | . | / |
| --+32-----------16|15------------0+ |
| | . | \ |
| | . | > CONFIG_SYS_GBL_DATA_SIZE (global) |
| | . | / |
| --+32-----------16|15------------0+ CONFIG_SYS_INIT_SP (u-boot stack) |
| | . | \ \ |
| | . | | | |
| | . | | > stack area |
| | . | | | |
| | . | | V |
| | . | | |
| | . | | |
| SDRAM | . | > CONFIG_SYS_NIOS_CPU_SDRAM_SIZE |
| | . | | = 0x01000000 |
| | . | | |
| 0x02000100 |- - - - - - - - - - - - - - - -+-|- |
| | . | | \ |
| | . | | | |
| | . | | > CONFIG_SYS_NIOS_CPU_VEC_SIZE |
| | . | | | = 0x00000100 |
| | | / / |
| 0x02000000 |- - - - - - - - - - - - - - - -+- - CONFIG_SYS_NIOS_CPU_VEC_BASE |
| 0x02000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_SDRAM_BASE |
| | | \ |
| : gap : > (space for 2nd Flash) |
| | | / |
| 0x01800000 ---32-----------16|15------------0- |
| | sector 127 | \ |
| + 0x7f0000 |- - - - - - - - - - - - - - - -| | |
| | : | | |
| Flash |- - - - : - - - -| > CONFIG_SYS_NIOS_CPU_FLASH_SIZE |
| | sector 1 : | | = 0x00800000 |
| + 0x010000 |- - - - - - - - - - - - - - - -| | |
| | sector 0 (size = 0x10000) | / |
| 0x01000000 ---8-------------4|3-------------0- CONFIG_SYS_NIOS_CPU_FLASH_BASE |
| | | |
| : gap : |
| : : |
| |
| - - - - - - - - - - - external i/o - - - - - - - - - - - - - - - - - - - |
| |
| : : |
| : gap : |
| | | |
| 0x00010020 ---32-----------16|15------------0- |
| | | \ |
| | register bank | | |
| | size = (real_size << 1) | | |
| | real_size = 0x10 | | |
| | +--------.---.---.--- | | |
| | | bank 0 \ 1 \ 2 \ 3 \ | | |
| | |---------------------------+ | | |
| LAN91C111 | | BANK | RESERVED | | > na_enet_size |
| | |- - - - - - -|- - - - - - -| | | = 0x00000020 |
| | | RPCR | MIR | | | |
| | |- - - - - - -|- - - - - - -| | | |
| | | COUNTER | RCR | | | |
| | |- - - - - - -|- - - - - - -| | | |
| | | EPH STATUS | TCR | | | |
| | +---------------------------+ | / |
| 0x00010000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_LAN0_BASE |
| | | |
| : gap : |
| : : |
| |
| - - - - - - - - - - - on chip i/o - - - - - - - - - - - - - - - - - - - |
| |
| : : |
| : gap : |
| | | |
| 0x00001040 ---32-----------16|15------------0- |
| | | | \ |
| : : : | |
| IDE1 i/f : : : > 0x00000020 |
| [5] : : : | |
| | | | / |
| 0x00001020 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_IDE1 |
| | | | \ |
| : : : | |
| IDE0 i/f : : : > 0x00000020 |
| [5] : : : | |
| | | | / |
| 0x00001000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_IDE0 |
| | | |
| : gap : |
| | | |
| 0x00000980 ---32-----------16|15------------0- |
| | edgecapture (1 bit) (rw) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO13 | interruptmask (1 bit) (rw) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (ro) | / |
| 0x00000970 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO13 |
| | edgecapture (1 bit) (rw) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO12 | interruptmask (1 bit) (rw) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (ro) | / |
| 0x00000960 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO12 |
| | edgecapture (1 bit) (rw) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO11 | interruptmask (1 bit) (rw) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (ro) | / |
| 0x00000950 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO11 |
| | edgecapture (1 bit) (rw) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO10 | interruptmask (1 bit) (rw) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (ro) | / |
| 0x00000940 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO10 |
| | edgecapture (1 bit) (rw) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO9 | interruptmask (1 bit) (rw) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (ro) | / |
| 0x00000930 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO9 |
| | edgecapture (1 bit) (rw) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO8 | interruptmask (1 bit) (rw) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (ro) | / |
| 0x00000920 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO8 |
| | edgecapture (1 bit) (rw) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO7 | interruptmask (1 bit) (rw) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (ro) | / |
| 0x00000910 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO7 |
| | edgecapture (1 bit) (rw) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO6 | interruptmask (1 bit) (rw) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (ro) | / |
| 0x00000900 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO6 |
| | | |
| : gap : |
| | | |
| 0x000008e0 ---32-----------16|15------------0- |
| | (unused) | \ |
| + 0x1c |- - - - - - - - - - - - - - - -| | |
| | endofpacket (16 bit) (rw) | | |
| + 0x18 |- - - - - - - - - - - - - - - -| | |
| | slaveselect (1 bit) (rw) | | |
| + 0x14 |- - - - - - - - - - - - - - - -| | |
| SPI0 | (reserved) | | |
| [4] + 0x10 |- - - - - - - - - - - - - - - -| > 0x00000020 |
| | control (11 bit) (rw) | | |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| | status (9 bit) (rw) | | |
| + 0x08 |- - - - - - - - - - - - - - - -| | |
| | txdata (16 bit) (wo) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | rxdata (16 bit) (ro) | / |
| 0x000008c0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_SPI0 |
| | (unused) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO5 | (unused) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (wo) | / |
| 0x000008b0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO5 |
| | (unused) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO4 | (unused) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (wo) | / |
| 0x000008a0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO4 |
| | (unused) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO3 | (unused) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | (unused) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (1 bit) (ro) | / |
| 0x00000890 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO3 |
| | (unused) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO2 | (unused) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | direction (4 bit) (rw) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (4 bit) (rw) | / |
| 0x00000880 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO2 |
| | (unused) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO1 | (unused) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | direction (8 bit) (rw) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (8 bit) (rw) | / |
| 0x00000870 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO1 |
| | (unused) | \ |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| PIO0 | (unused) | | |
| [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| | direction (8 bit) (rw) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | data (8 bit) (rw) | / |
| 0x00000860 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO0 |
| | (unused) | \ |
| + 0x1c |- - - - - - - - - - - - - - - -| | |
| | (unused) | | |
| + 0x18 |- - - - - - - - - - - - - - - -| | |
| | snaph (16 bit) (rw) | | |
| + 0x14 |- - - - - - - - - - - - - - - -| | |
| TIMER0 | snapl (16 bit) (rw) | | |
| [2] + 0x10 |- - - - - - - - - - - - - - - -| > 0x00000020 |
| | periodh (16 bit) (rw) | | |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| | periodl (16 bit) (rw) | | |
| + 0x08 |- - - - - - - - - - - - - - - -| | |
| | control (4 bit) (rw) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | status (2 bit) (rw) | / |
| 0x00000840 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_TIMER0 |
| | (unused) | \ |
| + 0x1c |- - - - - - - - - - - - - - - -| | |
| | (unused) | | |
| + 0x18 |- - - - - - - - - - - - - - - -| | |
| | (unused) | | |
| + 0x14 |- - - - - - - - - - - - - - - -| | |
| UART1 | (unused) | > 0x00000020 |
| [1] + 0x10 |- - - - - - - - - - - - - - - -| | |
| | control (10 bit) (rw) | | |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| | status (10 bit) (rw) | | |
| + 0x08 |- - - - - - - - - - - - - - - -| | |
| | txdata (8 bit) (wo) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | rxdata (8 bit) (ro) | / |
| 0x00000820 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_UART1 |
| | (unused) | \ |
| + 0x1c |- - - - - - - - - - - - - - - -| | |
| | (unused) | | |
| + 0x18 |- - - - - - - - - - - - - - - -| | |
| | (unused) | | |
| + 0x14 |- - - - - - - - - - - - - - - -| | |
| UART0 | (unused) | > 0x00000020 |
| [1] + 0x10 |- - - - - - - - - - - - - - - -| | |
| | control (10 bit) (rw) | | |
| + 0x0c |- - - - - - - - - - - - - - - -| | |
| | status (10 bit) (rw) | | |
| + 0x08 |- - - - - - - - - - - - - - - -| | |
| | txdata (8 bit) (wo) | | |
| + 0x04 |- - - - - - - - - - - - - - - -| | |
| | rxdata (8 bit) (ro) | / |
| 0x00000800 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_UART0 |
| |
| - - - - - - - - - - - on chip memory 1 - - - - - - - - - - - |
| |
| 0x00000800 ---32-----------16|15------------0- |
| | : | \ |
| | : | | |
| GERMS | : | > CONFIG_SYS_NIOS_CPU_ROM_SIZE |
| | : | | = 0x00000800 |
| | : | / |
| 0x00000000 |- - - - - - - - - - - - - - - -+- - CONFIG_SYS_NIOS_CPU_RST_VECT |
| 0x00000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_ROM_BASE |
| |
| |
| =============================================================================== |
| F L A S H M E M O R Y A L L O C A T I O N |
| =============================================================================== |
| |
| 0x01800000 ---8-------------4|3-------------0- |
| | : | \ |
| | : | | |
| | : | > 6 MByte ROM FS |
| | : | | |
| | : | / |
| 0x01200000 --+- - - - - - - -:- - - - - - - -+- - file system image(s) |
| | : | \ |
| | : | | |
| | : | > 1728 kByte ucLinux |
| | : | | |
| | : | / |
| 0x01050000 --+- - - - - - - -:- - - - - - - -+- - os image(s) |
| | : | \ |
| 0x01040000 --+- - - - - - - -:- - - - - - - -+-|- u-boot environment |
| | : | | |
| | : | > 320 kByte U-Boot |
| | : | | |
| | : | | |
| | : | / |
| 0x01000000 --+- - - - - - - -:- - - - - - - -+- - u-boot _start() |
| 0x01000000 ---8-------------4|3-------------0- |
| |
| |
| =============================================================================== |
| R E F E R E N C E S |
| =============================================================================== |
| [1] http://www.altera.com/literature/ds/ds_nios_uart.pdf |
| [2] http://www.altera.com/literature/ds/ds_nios_timer.pdf |
| [3] http://www.altera.com/literature/ds/ds_nios_pio.pdf |
| [4] http://www.altera.com/literature/ds/ds_nios_spi.pdf |
| [5] http://www.t13.org/index.html |
| |
| |
| =============================================================================== |
| Stephan Linz <linz@li-pro.net> |
