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litex
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This commit is contained in:
Sebastien Bourdeauducq 2012-02-05 19:54:08 +01:00
parent 17cd8dd479
commit 9b9a510525
1 changed files with 16 additions and 2 deletions
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18
top.py
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@ -17,11 +17,25 @@ def get():
norflash0 = norflash.NorFlash(25, 12)
sram0 = sram.SRAM(sram_size//4)
wishbone2csr0 = wishbone2csr.WB2CSR()
# norflash 0x00000000 (shadow @0x80000000)
# SRAM/debug 0x10000000 (shadow @0x90000000)
# USB 0x20000000 (shadow @0xa0000000)
# Ethernet 0x30000000 (shadow @0xb0000000)
# SDRAM 0x40000000 (shadow @0xc0000000)
# CSR bridge 0x60000000 (shadow @0xe0000000)
wishbonecon0 = wishbone.InterconnectShared(
[cpu0.ibus, cpu0.dbus],
[(0, norflash0.bus), (1, sram0.bus), (3, wishbone2csr0.wishbone)],
[
cpu0.ibus,
cpu0.dbus
], [
(binc("000"), norflash0.bus),
(binc("001"), sram0.bus),
(binc("11"), wishbone2csr0.wishbone)
],
register=True,
offset=1)
uart0 = uart.UART(0, clk_freq, baud=115200)
csrcon0 = csr.Interconnect(wishbone2csr0.csr, [uart0.bank.interface])