openwrtv4/package/kernel/mac80211/patches/600-0014-rt2x00-rt2800lib-add-MAC-register-initialization-for.patch

From 0094872a5e8e4664c6ea1b2dfa487063d39ae363 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Sun, 24 Mar 2013 19:26:26 +0100
Subject: [PATCH] rt2x00: rt2800lib: add MAC register initialization for
 RT3883

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
 drivers/net/wireless/rt2x00/rt2800.h    |   14 ++++++++++++++
 drivers/net/wireless/rt2x00/rt2800lib.c |   19 ++++++++++++++++---
 2 files changed, 30 insertions(+), 3 deletions(-)

--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -1588,6 +1588,20 @@
 #define TX_PWR_CFG_9_STBC7_CH2		FIELD32(0x00000f00)
 
 /*
+ * TX_TXBF_CFG:
+ */
+#define TX_TXBF_CFG_0			0x138c
+#define TX_TXBF_CFG_1			0x13a4
+#define TX_TXBF_CFG_2			0x13a8
+#define TX_TXBF_CFG_3			0x13ac
+
+/*
+ * TX_FBK_CFG_3S:
+ */
+#define TX_FBK_CFG_3S_0			0x13c4
+#define TX_FBK_CFG_3S_1			0x13c8
+
+/*
  * RX_FILTER_CFG: RX configuration register.
  */
 #define RX_FILTER_CFG			0x1400
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -4998,6 +4998,12 @@ static int rt2800_init_registers(struct 
 			rt2800_register_write(rt2x00dev, TX_SW_CFG2,
 					      0x00000000);
 		}
+	} else if (rt2x00_rt(rt2x00dev, RT3883)) {
+		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00040000);
+		rt2800_register_write(rt2x00dev, TX_TXBF_CFG_0, 0x8000fc21);
+		rt2800_register_write(rt2x00dev, TX_TXBF_CFG_3, 0x00009c40);
 	} else if (rt2x00_rt(rt2x00dev, RT5390) ||
 		   rt2x00_rt(rt2x00dev, RT5392) ||
 		   rt2x00_rt(rt2x00dev, RT5592)) {
@@ -5028,9 +5034,11 @@ static int rt2800_init_registers(struct 
 
 	rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
-	if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
-	    rt2x00_rt(rt2x00dev, RT2883) ||
-	    rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
+	if (rt2x00_rt(rt2x00dev, RT3883))
+		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 3);
+	else if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
+		 rt2x00_rt(rt2x00dev, RT2883) ||
+		 rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
 		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
 	else
 		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
@@ -5183,6 +5191,11 @@ static int rt2800_init_registers(struct 
 	reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
 	rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
 
+	if (rt2x00_rt(rt2x00dev, RT3883)) {
+		rt2800_register_write(rt2x00dev, TX_FBK_CFG_3S_0, 0x12111008);
+		rt2800_register_write(rt2x00dev, TX_FBK_CFG_3S_1, 0x16151413);
+	}
+
 	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
 	rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,