OpenWrt – Rev 1
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From 99c659cf345640fd0f733cbcaf4583cc2c868ec0 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Mon, 29 Apr 2013 13:21:48 +0200
Subject: [PATCH] rt2x00: rt2800lib: add RFCSR initialization for RT3883
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
drivers/net/wireless/ralink/rt2x00/rt2800.h | 1 +
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 141 +++++++++++++++++++++++++++++++
2 files changed, 142 insertions(+)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800.h
@@ -2312,6 +2312,7 @@ struct mac_iveiv_entry {
/*
* RFCSR 2:
*/
+#define RFCSR2_RESCAL_BP FIELD8(0x40)
#define RFCSR2_RESCAL_EN FIELD8(0x80)
#define RFCSR2_RX2_EN_MT7620 FIELD8(0x02)
#define RFCSR2_TX2_EN_MT7620 FIELD8(0x20)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -7878,6 +7878,144 @@ static void rt2800_init_rfcsr_5350(struc
rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
}
+static void rt2800_init_rfcsr_3883(struct rt2x00_dev *rt2x00dev)
+{
+ u8 rfcsr;
+
+ /* TODO: get the actual ECO value from the SoC */
+ const unsigned int eco = 5;
+
+ rt2800_rf_init_calibration(rt2x00dev, 2);
+
+ rt2800_rfcsr_write(rt2x00dev, 0, 0xe0);
+ rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
+ rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
+ rt2800_rfcsr_write(rt2x00dev, 3, 0x20);
+ rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
+ rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 8, 0x5b);
+ rt2800_rfcsr_write(rt2x00dev, 9, 0x08);
+ rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
+ rt2800_rfcsr_write(rt2x00dev, 11, 0x48);
+ rt2800_rfcsr_write(rt2x00dev, 12, 0x1a);
+ rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
+ rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
+
+ /* RFCSR 17 will be initialized later based on the
+ * frequency offset stored in the EEPROM
+ */
+
+ rt2800_rfcsr_write(rt2x00dev, 18, 0x40);
+ rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
+ rt2800_rfcsr_write(rt2x00dev, 23, 0xc0);
+ rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 25, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
+ rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
+ rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
+ rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 34, 0x20);
+ rt2800_rfcsr_write(rt2x00dev, 35, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 37, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 38, 0x86);
+ rt2800_rfcsr_write(rt2x00dev, 39, 0x23);
+ rt2800_rfcsr_write(rt2x00dev, 40, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 41, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 42, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 43, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
+ rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
+ rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
+ rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 49, 0x8e);
+ rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
+ rt2800_rfcsr_write(rt2x00dev, 51, 0x51);
+ rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
+ rt2800_rfcsr_write(rt2x00dev, 53, 0x76);
+ rt2800_rfcsr_write(rt2x00dev, 54, 0x76);
+ rt2800_rfcsr_write(rt2x00dev, 55, 0x76);
+ rt2800_rfcsr_write(rt2x00dev, 56, 0xdb);
+ rt2800_rfcsr_write(rt2x00dev, 57, 0x3e);
+ rt2800_rfcsr_write(rt2x00dev, 58, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
+
+ /* TODO: rx filter calibration? */
+
+ rt2800_bbp_write(rt2x00dev, 137, 0x0f);
+
+ rt2800_bbp_write(rt2x00dev, 163, 0x9d);
+
+ rt2800_bbp_write(rt2x00dev, 105, 0x05);
+
+ rt2800_bbp_write(rt2x00dev, 179, 0x02);
+ rt2800_bbp_write(rt2x00dev, 180, 0x00);
+ rt2800_bbp_write(rt2x00dev, 182, 0x40);
+ rt2800_bbp_write(rt2x00dev, 180, 0x01);
+ rt2800_bbp_write(rt2x00dev, 182, 0x9c);
+
+ rt2800_bbp_write(rt2x00dev, 179, 0x00);
+
+ rt2800_bbp_write(rt2x00dev, 142, 0x04);
+ rt2800_bbp_write(rt2x00dev, 143, 0x3b);
+ rt2800_bbp_write(rt2x00dev, 142, 0x06);
+ rt2800_bbp_write(rt2x00dev, 143, 0xa0);
+ rt2800_bbp_write(rt2x00dev, 142, 0x07);
+ rt2800_bbp_write(rt2x00dev, 143, 0xa1);
+ rt2800_bbp_write(rt2x00dev, 142, 0x08);
+ rt2800_bbp_write(rt2x00dev, 143, 0xa2);
+ rt2800_bbp_write(rt2x00dev, 148, 0xc8);
+
+ if (eco == 5) {
+ rt2800_rfcsr_write(rt2x00dev, 32, 0xd8);
+ rt2800_rfcsr_write(rt2x00dev, 33, 0x32);
+ }
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 2);
+ rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_BP, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
+ rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
+ msleep(1);
+ rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0);
+ rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
+ rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
+ rfcsr |= 0xc0;
+ rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 22);
+ rfcsr |= 0x20;
+ rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 46);
+ rfcsr |= 0x20;
+ rt2800_rfcsr_write(rt2x00dev, 46, rfcsr);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 20);
+ rfcsr &= ~0xee;
+ rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
+}
+
static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
{
rt2800_rf_init_calibration(rt2x00dev, 2);
@@ -8720,6 +8858,9 @@ static void rt2800_init_rfcsr(struct rt2
case RT3390:
rt2800_init_rfcsr_3390(rt2x00dev);
break;
+ case RT3883:
+ rt2800_init_rfcsr_3883(rt2x00dev);
+ break;
case RT3572:
rt2800_init_rfcsr_3572(rt2x00dev);
break;