From 0985d9902d9291f6ace1c48a635268d7b48a60c8 Mon Sep 17 00:00:00 2001
From: Oleksij Rempel <linux@rempel-privat.de>
Date: Tue, 24 Sep 2013 12:05:06 -0700
Subject: [PATCH] Updated usb regs (markdown)

---
 usb-regs.md | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/usb-regs.md b/usb-regs.md
index 8c0cabc..3767be2 100644
--- a/usb-regs.md
+++ b/usb-regs.md
@@ -17,9 +17,9 @@ Default
 # 0x00 ZM_MAIN_CTRL_OFFSET
 * BIT7
 * BIT6 - 1 = HighSpeed is set (read only?)
-* BIT5
-* BIT4
-* BIT3
+* BIT5 - chip enable
+* BIT4 - sfrst. soft reset?
+* BIT3 - go suspend
 * BIT2 - 1 = enable global Int
 * BIT1
 * BIT0 - 1 = set Remote Wake Up;
@@ -128,6 +128,8 @@ These bits indicate if fallowing groups got some interrupt.
 
 # 0x22 ZM_INTR_SOURCE_1_OFFSET
 # 0x23 ZM_INTR_SOURCE_2_OFFSET
+short packed interrupts?  
+
 # 0x24 ZM_INTR_SOURCE_3_OFFSET
 # 0x25 ZM_INTR_SOURCE_4_OFFSET
 * BIT7 - End of data.
@@ -141,10 +143,10 @@ these endpoints are handled by DMA
 * BIT6 - vUsb_Status_In()?
 
 # 0x28 ZM_INTR_SOURCE_7_OFFSET
-* BIT7
-* BIT6
-* BIT5
-* BIT4
+* BIT7 - RX0BTYE_INT
+* BIT6 - TX0BTYE_INT
+* BIT5 - ISO seq abort
+* BIT4 - ISO seq error
 * BIT3 - USB resume
 * BIT2 - USB suspend
 * BIT1 - USB reset interrupt.
@@ -153,7 +155,9 @@ these endpoints are handled by DMA
 # 0x2F mUsbEPMap EP0
 code use: ZM_FUSB_BASE+0x30+(EPn-1)  
 (0x0F | FIFOn << 4) = OUT
-(0xF0 | FIFOn) = IN
+(0xF0 | FIFOn) = IN  
+**probably incorrect interpretation. It should be FUSB_REG_IDLE_CNT  
+ set suspend delay in ms**
 
 for FIFOn see mUsbFIFOMap registers.
 
-- 
2.25.1