realtek: update the tree to the latest refactored version

* rename the target to realtek
* add refactored DSA driver
* add latest gpio driver
* lots of arch cleanups
* new irq driver
* additional boards

Signed-off-by: Bert Vermeulen <bert@biot.com>
Signed-off-by: Birger Koblitz <mail@birger-koblitz.de>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: John Crispin <john@phrozen.org>

1 files changed, 279 insertions, 0 deletions

diff --git a/target/linux/realtek/files-5.4/drivers/net/ethernet/rtl838x_eth.h b/target/linux/realtek/files-5.4/drivers/net/ethernet/rtl838x_eth.h
new file mode 100644
index 0000000000..4366e6b64f
--- /dev/null
+++ b/target/linux/realtek/files-5.4/drivers/net/ethernet/rtl838x_eth.h
@@ -0,0 +1,279 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _RTL838X_ETH_H
+#define _RTL838X_ETH_H
+
+/*
+ * Register definition
+ */
+
+#define RTL838X_CPU_PORT			28
+#define RTL839X_CPU_PORT			52
+
+#define RTL838X_MAC_PORT_CTRL			(0xd560)
+#define RTL839X_MAC_PORT_CTRL			(0x8004)
+#define RTL838X_DMA_IF_INTR_STS			(0x9f54)
+#define RTL839X_DMA_IF_INTR_STS			(0x7868)
+#define RTL838X_DMA_IF_INTR_MSK			(0x9f50)
+#define RTL839X_DMA_IF_INTR_MSK			(0x7864)
+#define RTL838X_DMA_IF_CTRL			(0x9f58)
+#define RTL839X_DMA_IF_CTRL			(0x786c)
+#define RTL838X_RST_GLB_CTRL_0			(0x003c)
+#define RTL838X_MAC_FORCE_MODE_CTRL		(0xa104)
+#define RTL839X_MAC_FORCE_MODE_CTRL		(0x02bc)
+
+/* MAC address settings */
+#define RTL838X_MAC				(0xa9ec)
+#define RTL839X_MAC				(0x02b4)
+#define RTL838X_MAC_ALE				(0x6b04)
+#define RTL838X_MAC2				(0xa320)
+
+#define RTL838X_DMA_RX_BASE			(0x9f00)
+#define RTL839X_DMA_RX_BASE			(0x780c)
+#define RTL838X_DMA_TX_BASE			(0x9f40)
+#define RTL839X_DMA_TX_BASE			(0x784c)
+#define RTL838X_DMA_IF_RX_RING_SIZE		(0xB7E4)
+#define RTL839X_DMA_IF_RX_RING_SIZE		(0x6038)
+#define RTL838X_DMA_IF_RX_RING_CNTR		(0xB7E8)
+#define RTL839X_DMA_IF_RX_RING_CNTR		(0x603c)
+#define RTL838X_DMA_IF_RX_CUR			(0x9F20)
+#define RTL839X_DMA_IF_RX_CUR			(0x782c)
+
+#define RTL838X_DMY_REG31			(0x3b28)
+#define RTL838X_SDS_MODE_SEL			(0x0028)
+#define RTL838X_SDS_CFG_REG			(0x0034)
+#define RTL838X_INT_MODE_CTRL			(0x005c)
+#define RTL838X_CHIP_INFO			(0x00d8)
+#define RTL838X_SDS4_REG28			(0xef80)
+#define RTL838X_SDS4_DUMMY0			(0xef8c)
+#define RTL838X_SDS5_EXT_REG6			(0xf18c)
+#define RTL838X_PORT_ISO_CTRL(port)		(0x4100 + ((port) << 2))
+#define RTL838X_STAT_PORT_STD_MIB(port)		(0x1200 + (((port) << 8)))
+#define RTL838X_STAT_RST			(0x3100)
+#define RTL838X_STAT_CTRL			(0x3108)
+
+/* Registers of the internal Serdes of the 8380 */
+#define MAPLE_SDS4_REG0r			RTL838X_SDS4_REG28
+#define MAPLE_SDS5_REG0r			(RTL838X_SDS4_REG28 + 0x100)
+#define MAPLE_SDS4_REG3r			RTL838X_SDS4_DUMMY0
+#define MAPLE_SDS5_REG3r			(RTL838X_SDS4_REG28 + 0x100)
+#define MAPLE_SDS4_FIB_REG0r			(RTL838X_SDS4_REG28 + 0x880)
+#define MAPLE_SDS5_FIB_REG0r			(RTL838X_SDS4_REG28 + 0x980)
+
+/* VLAN registers */
+#define RTL838X_VLAN_PROFILE(idx)		(0x3A88 + ((idx) << 2))
+#define RTL838X_VLAN_PORT_EGR_FLTR		(0x3A84)
+#define RTL838X_VLAN_PORT_PB_VLAN(port)		(0x3C00 + ((port) << 2))
+#define RTL838X_VLAN_PORT_IGR_FLTR_0		(0x3A7C)
+#define RTL838X_VLAN_PORT_IGR_FLTR_1		(0x3A7C + 4)
+#define RTL838X_TBL_ACCESS_CTRL_0		(0x6914)
+#define RTL838X_TBL_ACCESS_DATA_0(idx)		(0x6918 + ((idx) << 2))
+#define RTL838X_TBL_ACCESS_CTRL_1		(0xA4C8)
+#define RTL838X_TBL_ACCESS_DATA_1(idx)		(0xA4CC + ((idx) << 2))
+#define RTL839X_TBL_ACCESS_L2_CTRL		(0x1180)
+#define RTL839X_TBL_ACCESS_L2_DATA(idx)		(0x1184 + ((idx) << 2))
+/* MAC handling */
+#define RTL838X_MAC_LINK_STS			(0xa188)
+#define RTL839X_MAC_LINK_STS			(0x0390)
+#define RTL838X_MAC_LINK_SPD_STS		(0xa190)
+#define RTL839X_MAC_LINK_SPD_STS		(0x03a0)
+#define RTL838X_MAC_LINK_DUP_STS		(0xa19c)
+#define RTL839X_MAC_LINK_DUP_STS		(0x03b0)
+// TODO: RTL8390_MAC_LINK_MEDIA_STS_ADDR ???
+#define RTL838X_MAC_TX_PAUSE_STS		(0xa1a0)
+#define RTL839X_MAC_TX_PAUSE_STS		(0x03b8)
+#define RTL838X_MAC_RX_PAUSE_STS		(0xa1a4)
+#define RTL839X_MAC_RX_PAUSE_STS		(0x03c0)
+#define RTL838X_EEE_TX_TIMER_GIGA_CTRL		(0xaa04)
+#define RTL838X_EEE_TX_TIMER_GELITE_CTRL	(0xaa08)
+#define RTL839X_MAC_GLB_CTRL			(0x02a8)
+#define RTL839X_SCHED_LB_TICK_TKN_CTRL		(0x60f8)
+
+#define RTL838X_L2_TBL_FLUSH_CTRL		(0x3370)
+#define RTL839X_L2_TBL_FLUSH_CTRL		(0x3ba0)
+
+/* MAC link state bits */
+#define FORCE_EN				(1 << 0)
+#define FORCE_LINK_EN				(1 << 1)
+#define NWAY_EN					(1 << 2)
+#define DUPLX_MODE				(1 << 3)
+#define TX_PAUSE_EN				(1 << 6)
+#define RX_PAUSE_EN				(1 << 7)
+
+/* RTL839X L2 Notification DMA interface */
+#define RTL839X_DMA_IF_NBUF_BASE_DESC_ADDR_CTRL	(0x785C)
+#define RTL839X_L2_NOTIFICATION_CTRL		(0x7808)
+#define RTL838X_L2_CTRL_0			(0x3200)
+#define RTL839X_L2_CTRL_0			(0x3800)
+
+/* TRAPPING to CPU-PORT */
+#define RTL838X_SPCL_TRAP_IGMP_CTRL		(0x6984)
+#define RTL839X_SPCL_TRAP_IGMP_CTRL		(0x1058)
+#define RTL838X_RMA_CTRL_0			(0x4300)
+#define RTL838X_RMA_CTRL_1			(0x4304)
+#define RTL839X_RMA_CTRL_0			(0x1200)
+#define RTL839X_RMA_CTRL_1			(0x1204)
+#define RTL839X_RMA_CTRL_2			(0x1208)
+#define RTL839X_RMA_CTRL_3			(0x120C)
+
+/* Registers of the internal Serdes of the 8390 */
+#define RTL839X_SDS12_13_XSG0			(0xB800)
+
+
+inline int rtl838x_mac_port_ctrl(int p)
+{
+	return RTL838X_MAC_PORT_CTRL + (p << 7);
+}
+
+inline int rtl839x_mac_port_ctrl(int p)
+{
+	return RTL839X_MAC_PORT_CTRL + (p << 7);
+}
+
+static inline int rtl838x_mac_force_mode_ctrl(int p)
+{
+	return RTL838X_MAC_FORCE_MODE_CTRL + (p << 2);
+}
+
+static inline int rtl839x_mac_force_mode_ctrl(int p)
+{
+	return RTL839X_MAC_FORCE_MODE_CTRL + (p << 2);
+}
+
+inline int rtl838x_dma_rx_base(int i)
+{
+	return RTL838X_DMA_RX_BASE + (i << 2);
+}
+
+inline int rtl839x_dma_rx_base(int i)
+{
+	return RTL839X_DMA_RX_BASE + (i << 2);
+}
+
+inline int rtl838x_dma_tx_base(int i)
+{
+	return RTL838X_DMA_TX_BASE + (i << 2);
+}
+
+inline int rtl839x_dma_tx_base(int i)
+{
+	return RTL839X_DMA_TX_BASE + (i << 2);
+}
+
+inline int rtl838x_dma_if_rx_ring_size(int i)
+{
+	return RTL838X_DMA_IF_RX_RING_SIZE + ((i >> 3) << 2);
+}
+
+inline int rtl839x_dma_if_rx_ring_size(int i)
+{
+	return RTL839X_DMA_IF_RX_RING_SIZE + ((i >> 3) << 2);
+}
+
+inline int rtl838x_dma_if_rx_ring_cntr(int i)
+{
+	return RTL838X_DMA_IF_RX_RING_CNTR + ((i >> 3) << 2);
+}
+
+inline int rtl839x_dma_if_rx_ring_cntr(int i)
+{
+	return RTL839X_DMA_IF_RX_RING_CNTR + ((i >> 3) << 2);
+}
+
+
+inline int rtl838x_dma_if_rx_cur(int i)
+{
+	return RTL838X_DMA_IF_RX_CUR + (i << 2);
+}
+
+inline int rtl839x_dma_if_rx_cur(int i)
+{
+	return RTL839X_DMA_IF_RX_CUR + (i << 2);
+}
+
+inline u32 rtl838x_get_mac_link_sts(int port)
+{
+	return (sw_r32(RTL838X_MAC_LINK_STS) & (1 << port));
+}
+
+inline u32 rtl839x_get_mac_link_sts(int p)
+{
+	return (sw_r32(RTL839X_MAC_LINK_STS + ((p >> 5) << 2)) & (1 << p));
+}
+
+inline u32 rtl838x_get_mac_link_dup_sts(int port)
+{
+	return (sw_r32(RTL838X_MAC_LINK_DUP_STS) & (1 << port));
+}
+
+inline u32 rtl839x_get_mac_link_dup_sts(int p)
+{
+	return (sw_r32(RTL839X_MAC_LINK_DUP_STS + ((p >> 5) << 2)) & (1 << p));
+}
+
+inline u32 rtl838x_get_mac_link_spd_sts(int port)
+{
+	int r = RTL838X_MAC_LINK_SPD_STS + ((port >> 4) << 2);
+	u32 speed = sw_r32(r);
+
+	speed >>= (port % 16) << 1;
+	return (speed & 0x3);
+}
+
+inline u32 rtl839x_get_mac_link_spd_sts(int port)
+{
+	int r = RTL839X_MAC_LINK_SPD_STS + ((port >> 4) << 2);
+	u32 speed = sw_r32(r);
+
+	speed >>= (port % 16) << 1;
+	return (speed & 0x3);
+}
+
+inline u32 rtl838x_get_mac_rx_pause_sts(int port)
+{
+	return (sw_r32(RTL838X_MAC_RX_PAUSE_STS) & (1 << port));
+}
+
+inline u32 rtl839x_get_mac_rx_pause_sts(int p)
+{
+	return (sw_r32(RTL839X_MAC_RX_PAUSE_STS + ((p >> 5) << 2)) & (1 << p));
+}
+
+inline u32 rtl838x_get_mac_tx_pause_sts(int port)
+{
+	return (sw_r32(RTL838X_MAC_TX_PAUSE_STS) & (1 << port));
+}
+
+inline u32 rtl839x_get_mac_tx_pause_sts(int p)
+{
+	return (sw_r32(RTL839X_MAC_TX_PAUSE_STS + ((p >> 5) << 2)) & (1 << p));
+}
+
+
+struct rtl838x_reg {
+	int (*mac_port_ctrl)(int port);
+	int dma_if_intr_sts;
+	int dma_if_intr_msk;
+	int dma_if_ctrl;
+	int  (*mac_force_mode_ctrl)(int port);
+	int  (*dma_rx_base)(int ring);
+	int  (*dma_tx_base)(int ring);
+	int  (*dma_if_rx_ring_size)(int ring);
+	int  (*dma_if_rx_ring_cntr)(int ring);
+	int  (*dma_if_rx_cur)(int ring);
+	int rst_glb_ctrl;
+	u32 (*get_mac_link_sts)(int port);
+	u32 (*get_mac_link_dup_sts)(int port);
+	u32 (*get_mac_link_spd_sts)(int port);
+	u32 (*get_mac_rx_pause_sts)(int port);
+	u32 (*get_mac_tx_pause_sts)(int port);
+	int mac;
+	int l2_tbl_flush_ctrl;
+};
+
+int rtl838x_write_phy(u32 port, u32 page, u32 reg, u32 val);
+int rtl838x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
+int rtl839x_write_phy(u32 port, u32 page, u32 reg, u32 val);
+int rtl839x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
+
+#endif /* _RTL838X_ETH_H */