armv8: ls1046aqds: Add LS1046AQDS board support

LS1046AQDS Specification:
-------------------------
Memory subsystem:
 * 8GByte DDR4 SDRAM (64bit bus)
 * 128 Mbyte NOR flash single-chip memory
 * 512 Mbyte NAND flash
 * 64 Mbyte high-speed SPI flash
 * SD connector to interface with the SD memory card

Ethernet:
 * Two XFI 10G ports
 * Two SGMII ports
 * Two RGMII ports

PCIe: supports Gen 1 and Gen 2

SATA 3.0: one SATA 3.0 port

USB 3.0: two micro AB connector and one type A connector

UART: supports two UARTs up to 115200 bps for console

Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

1 files changed, 415 insertions, 0 deletions

diff --git a/board/freescale/ls1046aqds/eth.c b/board/freescale/ls1046aqds/eth.c
new file mode 100644
index 0000000000..046db11261
--- /dev/null
+++ b/board/freescale/ls1046aqds/eth.c
@@ -0,0 +1,415 @@
+/*
+ * Copyright 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <netdev.h>
+#include <fdt_support.h>
+#include <fm_eth.h>
+#include <fsl_mdio.h>
+#include <fsl_dtsec.h>
+#include <malloc.h>
+#include <asm/arch/fsl_serdes.h>
+
+#include "../common/qixis.h"
+#include "../common/fman.h"
+#include "ls1046aqds_qixis.h"
+
+#define EMI_NONE	0xFF
+#define EMI1_RGMII1	0
+#define EMI1_RGMII2	1
+#define EMI1_SLOT1	2
+#define EMI1_SLOT2	3
+#define EMI1_SLOT4	4
+
+static int mdio_mux[NUM_FM_PORTS];
+
+static const char * const mdio_names[] = {
+	"LS1046AQDS_MDIO_RGMII1",
+	"LS1046AQDS_MDIO_RGMII2",
+	"LS1046AQDS_MDIO_SLOT1",
+	"LS1046AQDS_MDIO_SLOT2",
+	"LS1046AQDS_MDIO_SLOT4",
+	"NULL",
+};
+
+/* Map SerDes 1 & 2 lanes to default slot. */
+static u8 lane_to_slot[] = {1, 1, 1, 1, 0, 4, 0 , 0};
+
+static const char *ls1046aqds_mdio_name_for_muxval(u8 muxval)
+{
+	return mdio_names[muxval];
+}
+
+struct mii_dev *mii_dev_for_muxval(u8 muxval)
+{
+	struct mii_dev *bus;
+	const char *name;
+
+	if (muxval > EMI1_SLOT4)
+		return NULL;
+
+	name = ls1046aqds_mdio_name_for_muxval(muxval);
+
+	if (!name) {
+		printf("No bus for muxval %x\n", muxval);
+		return NULL;
+	}
+
+	bus = miiphy_get_dev_by_name(name);
+
+	if (!bus) {
+		printf("No bus by name %s\n", name);
+		return NULL;
+	}
+
+	return bus;
+}
+
+struct ls1046aqds_mdio {
+	u8 muxval;
+	struct mii_dev *realbus;
+};
+
+static void ls1046aqds_mux_mdio(u8 muxval)
+{
+	u8 brdcfg4;
+
+	if (muxval < 7) {
+		brdcfg4 = QIXIS_READ(brdcfg[4]);
+		brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
+		brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT);
+		QIXIS_WRITE(brdcfg[4], brdcfg4);
+	}
+}
+
+static int ls1046aqds_mdio_read(struct mii_dev *bus, int addr, int devad,
+			      int regnum)
+{
+	struct ls1046aqds_mdio *priv = bus->priv;
+
+	ls1046aqds_mux_mdio(priv->muxval);
+
+	return priv->realbus->read(priv->realbus, addr, devad, regnum);
+}
+
+static int ls1046aqds_mdio_write(struct mii_dev *bus, int addr, int devad,
+			       int regnum, u16 value)
+{
+	struct ls1046aqds_mdio *priv = bus->priv;
+
+	ls1046aqds_mux_mdio(priv->muxval);
+
+	return priv->realbus->write(priv->realbus, addr, devad,
+				    regnum, value);
+}
+
+static int ls1046aqds_mdio_reset(struct mii_dev *bus)
+{
+	struct ls1046aqds_mdio *priv = bus->priv;
+
+	return priv->realbus->reset(priv->realbus);
+}
+
+static int ls1046aqds_mdio_init(char *realbusname, u8 muxval)
+{
+	struct ls1046aqds_mdio *pmdio;
+	struct mii_dev *bus = mdio_alloc();
+
+	if (!bus) {
+		printf("Failed to allocate ls1046aqds MDIO bus\n");
+		return -1;
+	}
+
+	pmdio = malloc(sizeof(*pmdio));
+	if (!pmdio) {
+		printf("Failed to allocate ls1046aqds private data\n");
+		free(bus);
+		return -1;
+	}
+
+	bus->read = ls1046aqds_mdio_read;
+	bus->write = ls1046aqds_mdio_write;
+	bus->reset = ls1046aqds_mdio_reset;
+	sprintf(bus->name, ls1046aqds_mdio_name_for_muxval(muxval));
+
+	pmdio->realbus = miiphy_get_dev_by_name(realbusname);
+
+	if (!pmdio->realbus) {
+		printf("No bus with name %s\n", realbusname);
+		free(bus);
+		free(pmdio);
+		return -1;
+	}
+
+	pmdio->muxval = muxval;
+	bus->priv = pmdio;
+	return mdio_register(bus);
+}
+
+void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
+			      enum fm_port port, int offset)
+{
+	struct fixed_link f_link;
+
+	if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) {
+		switch (port) {
+		case FM1_DTSEC9:
+			fdt_set_phy_handle(fdt, compat, addr, "sgmii_s1_p1");
+			break;
+		case FM1_DTSEC10:
+			fdt_set_phy_handle(fdt, compat, addr, "sgmii_s1_p2");
+			break;
+		case FM1_DTSEC5:
+			fdt_set_phy_handle(fdt, compat, addr, "sgmii_s1_p3");
+			break;
+		case FM1_DTSEC6:
+			fdt_set_phy_handle(fdt, compat, addr, "sgmii_s1_p4");
+			break;
+		case FM1_DTSEC2:
+			fdt_set_phy_handle(fdt, compat, addr, "sgmii_s4_p1");
+			break;
+		default:
+			break;
+		}
+	} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII_2500) {
+		/* 2.5G SGMII interface */
+		f_link.phy_id = cpu_to_fdt32(port);
+		f_link.duplex = cpu_to_fdt32(1);
+		f_link.link_speed = cpu_to_fdt32(1000);
+		f_link.pause = 0;
+		f_link.asym_pause = 0;
+		/* no PHY for 2.5G SGMII on QDS */
+		fdt_delprop(fdt, offset, "phy-handle");
+		fdt_setprop(fdt, offset, "fixed-link", &f_link, sizeof(f_link));
+		fdt_setprop_string(fdt, offset, "phy-connection-type",
+				   "sgmii-2500");
+	} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_QSGMII) {
+		switch (port) {
+		case FM1_DTSEC1:
+			fdt_set_phy_handle(fdt, compat, addr, "qsgmii_s2_p4");
+			break;
+		case FM1_DTSEC5:
+			fdt_set_phy_handle(fdt, compat, addr, "qsgmii_s2_p2");
+			break;
+		case FM1_DTSEC6:
+			fdt_set_phy_handle(fdt, compat, addr, "qsgmii_s2_p1");
+			break;
+		case FM1_DTSEC10:
+			fdt_set_phy_handle(fdt, compat, addr, "qsgmii_s2_p3");
+			break;
+		default:
+			break;
+		}
+		fdt_delprop(fdt, offset, "phy-connection-type");
+		fdt_setprop_string(fdt, offset, "phy-connection-type",
+				   "qsgmii");
+	} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_XGMII &&
+		   (port == FM1_10GEC1 || port == FM1_10GEC2)) {
+		/* XFI interface */
+		f_link.phy_id = cpu_to_fdt32(port);
+		f_link.duplex = cpu_to_fdt32(1);
+		f_link.link_speed = cpu_to_fdt32(10000);
+		f_link.pause = 0;
+		f_link.asym_pause = 0;
+		/* no PHY for XFI */
+		fdt_delprop(fdt, offset, "phy-handle");
+		fdt_setprop(fdt, offset, "fixed-link", &f_link, sizeof(f_link));
+		fdt_setprop_string(fdt, offset, "phy-connection-type", "xgmii");
+	}
+}
+
+void fdt_fixup_board_enet(void *fdt)
+{
+	int i;
+
+	for (i = FM1_DTSEC1; i < NUM_FM_PORTS; i++) {
+		switch (fm_info_get_enet_if(i)) {
+		case PHY_INTERFACE_MODE_SGMII:
+		case PHY_INTERFACE_MODE_QSGMII:
+			switch (mdio_mux[i]) {
+			case EMI1_SLOT1:
+				fdt_status_okay_by_alias(fdt, "emi1_slot1");
+				break;
+			case EMI1_SLOT2:
+				fdt_status_okay_by_alias(fdt, "emi1_slot2");
+				break;
+			case EMI1_SLOT4:
+				fdt_status_okay_by_alias(fdt, "emi1_slot4");
+				break;
+			default:
+				break;
+			}
+			break;
+		default:
+			break;
+		}
+	}
+}
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_FMAN_ENET
+	int i, idx, lane, slot, interface;
+	struct memac_mdio_info dtsec_mdio_info;
+	struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+	u32 srds_s1, srds_s2;
+	u8 brdcfg12;
+
+	srds_s1 = in_be32(&gur->rcwsr[4]) &
+			FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
+	srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
+
+	srds_s2 = in_be32(&gur->rcwsr[4]) &
+			FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK;
+	srds_s2 >>= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT;
+
+	/* Initialize the mdio_mux array so we can recognize empty elements */
+	for (i = 0; i < NUM_FM_PORTS; i++)
+		mdio_mux[i] = EMI_NONE;
+
+	dtsec_mdio_info.regs =
+		(struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;
+
+	dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME;
+
+	/* Register the 1G MDIO bus */
+	fm_memac_mdio_init(bis, &dtsec_mdio_info);
+
+	/* Register the muxing front-ends to the MDIO buses */
+	ls1046aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1);
+	ls1046aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII2);
+	ls1046aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1);
+	ls1046aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2);
+	ls1046aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
+
+	/* Set the two on-board RGMII PHY address */
+	fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY1_ADDR);
+	fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY2_ADDR);
+
+	switch (srds_s1) {
+	case 0x3333:
+		/* SGMII on slot 1, MAC 9 */
+		fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
+	case 0x1333:
+	case 0x2333:
+		/* SGMII on slot 1, MAC 10 */
+		fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
+	case 0x1133:
+	case 0x2233:
+		/* SGMII on slot 1, MAC 5/6 */
+		fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
+		fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT4_PHY_ADDR);
+		break;
+	case 0x1040:
+	case 0x2040:
+		/* QSGMII on lane B, MAC 6/5/10/1 */
+		fm_info_set_phy_address(FM1_DTSEC6,
+					QSGMII_CARD_PORT1_PHY_ADDR_S2);
+		fm_info_set_phy_address(FM1_DTSEC5,
+					QSGMII_CARD_PORT2_PHY_ADDR_S2);
+		fm_info_set_phy_address(FM1_DTSEC10,
+					QSGMII_CARD_PORT3_PHY_ADDR_S2);
+		fm_info_set_phy_address(FM1_DTSEC1,
+					QSGMII_CARD_PORT4_PHY_ADDR_S2);
+		break;
+	case 0x3363:
+		/* SGMII on slot 1, MAC 9/10 */
+		fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
+		fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
+	case 0x1163:
+	case 0x2263:
+	case 0x2223:
+		/* SGMII on slot 1, MAC 6 */
+		fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT4_PHY_ADDR);
+		break;
+	default:
+		printf("Invalid SerDes protocol 0x%x for LS1046AQDS\n",
+		       srds_s1);
+		break;
+	}
+
+	if (srds_s2 == 0x5a59 || srds_s2 == 0x5a06)
+		/* SGMII on slot 4, MAC 2 */
+		fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
+
+	for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
+		idx = i - FM1_DTSEC1;
+		interface = fm_info_get_enet_if(i);
+		switch (interface) {
+		case PHY_INTERFACE_MODE_SGMII:
+		case PHY_INTERFACE_MODE_QSGMII:
+			if (interface == PHY_INTERFACE_MODE_SGMII) {
+				if (i == FM1_DTSEC5) {
+					/* route lane 2 to slot1 so to have
+					 * one sgmii riser card supports
+					 * MAC5 and MAC6.
+					 */
+					brdcfg12 = QIXIS_READ(brdcfg[12]);
+					QIXIS_WRITE(brdcfg[12],
+						    brdcfg12 | 0x80);
+				}
+				lane = serdes_get_first_lane(FSL_SRDS_1,
+						SGMII_FM1_DTSEC1 + idx);
+			} else {
+				/* clear the bit 7 to route lane B on slot2. */
+				brdcfg12 = QIXIS_READ(brdcfg[12]);
+				QIXIS_WRITE(brdcfg[12], brdcfg12 & 0x7f);
+
+				lane = serdes_get_first_lane(FSL_SRDS_1,
+						QSGMII_FM1_A);
+				lane_to_slot[lane] = 2;
+			}
+
+			if (i == FM1_DTSEC2)
+				lane = 5;
+
+			if (lane < 0)
+				break;
+
+			slot = lane_to_slot[lane];
+			debug("FM1@DTSEC%u expects SGMII in slot %u\n",
+			      idx + 1, slot);
+			if (QIXIS_READ(present2) & (1 << (slot - 1)))
+				fm_disable_port(i);
+
+			switch (slot) {
+			case 1:
+				mdio_mux[i] = EMI1_SLOT1;
+				fm_info_set_mdio(i, mii_dev_for_muxval(
+						 mdio_mux[i]));
+				break;
+			case 2:
+				mdio_mux[i] = EMI1_SLOT2;
+				fm_info_set_mdio(i, mii_dev_for_muxval(
+						 mdio_mux[i]));
+				break;
+			case 4:
+				mdio_mux[i] = EMI1_SLOT4;
+				fm_info_set_mdio(i, mii_dev_for_muxval(
+						 mdio_mux[i]));
+				break;
+			default:
+				break;
+			}
+			break;
+		case PHY_INTERFACE_MODE_RGMII:
+			if (i == FM1_DTSEC3)
+				mdio_mux[i] = EMI1_RGMII1;
+			else if (i == FM1_DTSEC4)
+				mdio_mux[i] = EMI1_RGMII2;
+			fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
+			break;
+		default:
+			break;
+		}
+	}
+
+	cpu_eth_init(bis);
+#endif /* CONFIG_FMAN_ENET */
+
+	return pci_eth_init(bis);
+}