netdev - [PATCH 01/10] net: hisilicon: Add support for HI13X1 to hip04

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Date:   Fri, 5 Jul 2019 14:10:28 +0800
From:   Jiangfeng Xiao <xiaojiangfeng@...wei.com>
To:     <yisen.zhuang@...wei.com>, <salil.mehta@...wei.com>,
        <dingtianhong@...wei.com>, <xiaojiangfeng@...wei.com>
CC:     <davem@...emloft.net>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <leeyou.li@...wei.com>, <xiekunxun@...wei.com>,
        <jianping.liu@...wei.com>, <nixiaoming@...wei.com>
Subject: [PATCH 01/10] net: hisilicon: Add support for HI13X1 to hip04_eth

Extend the hip04_eth driver to support HI13X1_GMAC.
Enable it with CONFIG_HI13X1_GMAC option.

HI13X1 changed the offsets and bitmaps for registers
in the same peripheral device on different models of
the hip04_eth.

Signed-off-by: Jiangfeng Xiao <xiaojiangfeng@...wei.com>
---
 drivers/net/ethernet/hisilicon/Kconfig     | 10 ++++++++
 drivers/net/ethernet/hisilicon/hip04_eth.c | 37 ++++++++++++++++++++++++------
 2 files changed, 40 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/Kconfig b/drivers/net/ethernet/hisilicon/Kconfig
index a0d780c..3892a20 100644
--- a/drivers/net/ethernet/hisilicon/Kconfig
+++ b/drivers/net/ethernet/hisilicon/Kconfig
@@ -46,6 +46,16 @@ config HIP04_ETH
 	  If you wish to compile a kernel for a hardware with hisilicon p04 SoC and
 	  want to use the internal ethernet then you should answer Y to this.
 
+config HI13X1_GMAC
+	bool "Hisilicon HI13X1 Network Device Support"
+	depends on HIP04_ETH
+	help
+	  If you wish to compile a kernel for a hardware with hisilicon hi13x1_gamc
+	  then you should answer Y to this. This makes this driver suitable for use
+	  on certain boards such as the HI13X1.
+
+	  If you are unsure, say N.
+
 config HNS_MDIO
 	tristate
 	select PHYLIB
diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c
index e1f2978..2b5112b 100644
--- a/drivers/net/ethernet/hisilicon/hip04_eth.c
+++ b/drivers/net/ethernet/hisilicon/hip04_eth.c
@@ -33,10 +33,23 @@
 #define GE_MODE_CHANGE_REG		0x1b4
 #define GE_RECV_CONTROL_REG		0x1e0
 #define GE_STATION_MAC_ADDRESS		0x210
-#define PPE_CFG_CPU_ADD_ADDR		0x580
-#define PPE_CFG_MAX_FRAME_LEN_REG	0x408
+
 #define PPE_CFG_BUS_CTRL_REG		0x424
 #define PPE_CFG_RX_CTRL_REG		0x428
+
+#if defined(CONFIG_HI13X1_GMAC)
+#define PPE_CFG_CPU_ADD_ADDR		0x6D0
+#define PPE_CFG_MAX_FRAME_LEN_REG	0x500
+#define PPE_CFG_RX_PKT_MODE_REG		0x504
+#define PPE_CFG_QOS_VMID_GEN		0x520
+#define PPE_CFG_RX_PKT_INT		0x740
+#define PPE_INTEN			0x700
+#define PPE_INTSTS			0x708
+#define PPE_RINT			0x704
+#define PPE_CFG_STS_MODE		0x880
+#else
+#define PPE_CFG_CPU_ADD_ADDR		0x580
+#define PPE_CFG_MAX_FRAME_LEN_REG	0x408
 #define PPE_CFG_RX_PKT_MODE_REG		0x438
 #define PPE_CFG_QOS_VMID_GEN		0x500
 #define PPE_CFG_RX_PKT_INT		0x538
@@ -44,6 +57,8 @@
 #define PPE_INTSTS			0x608
 #define PPE_RINT			0x604
 #define PPE_CFG_STS_MODE		0x700
+#endif /* CONFIG_HI13X1_GMAC */
+
 #define PPE_HIS_RX_PKT_CNT		0x804
 
 /* REG_INTERRUPT */
@@ -93,18 +108,26 @@
 #define GE_RX_PORT_EN			BIT(1)
 #define GE_TX_PORT_EN			BIT(2)
 
-#define PPE_CFG_STS_RX_PKT_CNT_RC	BIT(12)
-
 #define PPE_CFG_RX_PKT_ALIGN		BIT(18)
-#define PPE_CFG_QOS_VMID_MODE		BIT(14)
+
+#if defined(CONFIG_HI13X1_GMAC)
+#define PPE_CFG_QOS_VMID_GRP_SHIFT	4
+#define PPE_CFG_RX_CTRL_ALIGN_SHIFT	7
+#define PPE_CFG_STS_RX_PKT_CNT_RC	BIT(0)
+#define PPE_CFG_QOS_VMID_MODE		BIT(15)
+#define PPE_CFG_BUS_LOCAL_REL		(BIT(9) | BIT(15) | BIT(19) | BIT(23))
+#else
 #define PPE_CFG_QOS_VMID_GRP_SHIFT	8
+#define PPE_CFG_RX_CTRL_ALIGN_SHIFT	11
+#define PPE_CFG_STS_RX_PKT_CNT_RC	BIT(12)
+#define PPE_CFG_QOS_VMID_MODE		BIT(14)
+#define PPE_CFG_BUS_LOCAL_REL		BIT(14)
+#endif /* CONFIG_HI13X1_GMAC */
 
 #define PPE_CFG_RX_FIFO_FSFU		BIT(11)
 #define PPE_CFG_RX_DEPTH_SHIFT		16
 #define PPE_CFG_RX_START_SHIFT		0
-#define PPE_CFG_RX_CTRL_ALIGN_SHIFT	11
 
-#define PPE_CFG_BUS_LOCAL_REL		BIT(14)
 #define PPE_CFG_BUS_BIG_ENDIEN		BIT(0)
 
 #define RX_DESC_NUM			128
-- 
1.8.5.6