From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Mon, 25 Nov 2013 14:08:53 +0000 (+0100)
Subject: targets/simple: map SPI flash
X-Git-Tag: 24jan2021_ls180~2763
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=356178e68067822ce2d03c09403a1720e4e7abe1;p=litex.git

targets/simple: map SPI flash
---

diff --git a/targets/simple.py b/targets/simple.py
index 5829af46..90c65d4b 100644
--- a/targets/simple.py
+++ b/targets/simple.py
@@ -1,6 +1,6 @@
 from migen.fhdl.std import *
 
-from misoclib import gpio
+from misoclib import gpio, spiflash
 from misoclib.gensoc import GenSoC, IntegratedBIOS
 
 class SimpleSoC(GenSoC, IntegratedBIOS):
@@ -18,5 +18,10 @@ class SimpleSoC(GenSoC, IntegratedBIOS):
 
 		self.submodules.leds = gpio.GPIOOut(platform.request("user_led"))
 
+		# Map the SPI flash at 0xb0000000 for demo purposes. Later, we'll want to store the BIOS there.
+		self.submodules.spiflash = spiflash.SpiFlash(platform.request("spiflash2x"),
+			cmd=0xefef, cmd_width=16, addr_width=24, dummy=4)
+		self.add_wb_slave(lambda a: a[26:29] == 3, self.spiflash.bus)
+
 def get_default_subtarget(platform):
 	return SimpleSoC