From 8821696748afe0dab113c845910be9db9d772438 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Mon, 7 Aug 2017 22:36:58 +0200
Subject: Major rewrite of picosoc spimemio core

---
 picosoc/firmware.s | 35 ++++++++++++++++++++++++++++++++---
 1 file changed, 32 insertions(+), 3 deletions(-)

(limited to 'picosoc/firmware.s')

diff --git a/picosoc/firmware.s b/picosoc/firmware.s
index 69fedcc..1b8900f 100644
--- a/picosoc/firmware.s
+++ b/picosoc/firmware.s
@@ -19,8 +19,37 @@ sw      x5,64(x0)
 sw      x5,68(x0)
 sw      x5,72(x0)
 sw      x5,76(x0)
-li      x5,0x00008067   # ret
 sw      x5,80(x0)
+sw      x5,84(x0)
+sw      x5,88(x0)
+sw      x5,92(x0)
+sw      x5,96(x0)
+sw      x5,100(x0)
+sw      x5,104(x0)
+sw      x5,108(x0)
+sw      x5,112(x0)
+sw      x5,116(x0)
+sw      x5,120(x0)
+sw      x5,124(x0)
+sw      x5,128(x0)
+sw      x5,132(x0)
+sw      x5,136(x0)
+sw      x5,140(x0)
+sw      x5,144(x0)
+sw      x5,148(x0)
+sw      x5,152(x0)
+sw      x5,156(x0)
+sw      x5,160(x0)
+sw      x5,164(x0)
+sw      x5,168(x0)
+sw      x5,172(x0)
+sw      x5,176(x0)
+sw      x5,180(x0)
+sw      x5,184(x0)
+sw      x5,188(x0)
+sw      x5,192(x0)
+li      x5,0x00008067   # ret
+sw      x5,196(x0)
 
 # setup gpio address in x5
 li      x5,0x02000000
@@ -48,8 +77,8 @@ sw      x6,0(x0)
 
 # calculate new entry point into RAM code
 slli    x3,x6,2
-andi    x3,x3,63
-addi    x3,x3,4
+andi    x3,x3,127
+addi    x3,x3,32
 
 # execute RAM code, come back to start of loop
 mv      x1,x4
-- 
cgit