Merge tag 'mips-pull-2021-04-24' of https://source.denx.de/u-boot/custodians/u-boot-mips

- MIPS: octeon: fix minor bugs of initial merge
- MIPS: octeon: add support for QLM and PCI-E controller
- MIPS: octeon: add support for AHCI and SATA
- MIPS: octeon: add E1000 ethernet support
- MIPS: octeon: add Octeon III NIC23 board
- ata/scsi: add support for Big Endian platforms

6 files changed, 1139 insertions, 2 deletions

diff --git a/board/Marvell/octeon_ebb7304/board.c b/board/Marvell/octeon_ebb7304/board.c
index 611b18fa6a..9aac5f0b09 100644
--- a/board/Marvell/octeon_ebb7304/board.c
+++ b/board/Marvell/octeon_ebb7304/board.c
@@ -3,20 +3,32 @@
  * Copyright (C) 2020 Stefan Roese <sr@denx.de>
  */
 
-#include <common.h>
 #include <dm.h>
+#include <fdt_support.h>
 #include <ram.h>
+#include <asm/gpio.h>
 
 #include <mach/octeon_ddr.h>
+#include <mach/cvmx-qlm.h>
+#include <mach/octeon_qlm.h>
+#include <mach/octeon_fdt.h>
+#include <mach/cvmx-helper.h>
+#include <mach/cvmx-helper-cfg.h>
+#include <mach/cvmx-helper-util.h>
+#include <mach/cvmx-bgxx-defs.h>
 
 #include "board_ddr.h"
 
+#define MAX_MIX_ENV_VARS	4
+
 #define EBB7304_DEF_DRAM_FREQ	800
 
 static struct ddr_conf board_ddr_conf[] = {
-	 OCTEON_EBB7304_DDR_CONFIGURATION
+	OCTEON_EBB7304_DDR_CONFIGURATION
 };
 
+static int no_phy[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+
 struct ddr_conf *octeon_ddr_conf_table_get(int *count, int *def_ddr_freq)
 {
 	*count = ARRAY_SIZE(board_ddr_conf);
@@ -24,3 +36,719 @@ struct ddr_conf *octeon_ddr_conf_table_get(int *count, int *def_ddr_freq)
 
 	return board_ddr_conf;
 }
+
+/*
+ * parse_env_var:	Parse the environment variable ("bgx_for_mix%d") to
+ *			extract the lmac it is set to.
+ *
+ *  index:		Index of environment variable to parse.
+ *			environment variable.
+ *  env_bgx:		Updated with the bgx of the lmac in the environment
+ *			variable.
+ *  env_lmac:		Updated with the index of lmac in the environment
+ *			variable.
+ *
+ *  returns:		Zero on success, error otherwise.
+ */
+static int parse_env_var(int index, int *env_bgx, int *env_lmac)
+{
+	char env_var[20];
+	ulong xipd_port;
+
+	sprintf(env_var, "bgx_for_mix%d", index);
+	xipd_port = env_get_ulong(env_var, 0, 0xffff);
+	if (xipd_port != 0xffff) {
+		int xiface;
+		struct cvmx_xiface xi;
+		struct cvmx_xport xp;
+
+		/*
+		 * The environemt variable is set to the xipd port. Convert the
+		 * xipd port to numa node, bgx, and lmac.
+		 */
+		xiface = cvmx_helper_get_interface_num(xipd_port);
+		xi = cvmx_helper_xiface_to_node_interface(xiface);
+		xp = cvmx_helper_ipd_port_to_xport(xipd_port);
+		*env_bgx = xi.interface;
+		*env_lmac = cvmx_helper_get_interface_index_num(xp.port);
+		return 0;
+	}
+
+	return -1;
+}
+
+/*
+ * get_lmac_fdt_node:	Search the device tree for the node corresponding to
+ *			a given bgx lmac.
+ *
+ *  fdt:		Pointer to flat device tree
+ *  search_node:	Numa node of the lmac to search for.
+ *  search_bgx:		Bgx of the lmac to search for.
+ *  search_lmac:	Lmac index to search for.
+ *  compat:		Compatible string to search for.
+
+ *  returns:		The device tree node of the lmac if found,
+ *			or -1 otherwise.
+ */
+static int get_lmac_fdt_node(const void *fdt, int search_node, int search_bgx, int search_lmac,
+			     const char *compat)
+{
+	int node;
+	const fdt32_t *reg;
+	u64 addr;
+	int fdt_node = -1;
+	int fdt_bgx = -1;
+	int fdt_lmac = -1;
+	int len;
+	int parent;
+
+	/* Iterate through all bgx ports */
+	node = -1;
+	while ((node = fdt_node_offset_by_compatible((void *)fdt, node,
+						     compat)) >= 0) {
+		/* Get the node and bgx from the physical address */
+		parent = fdt_parent_offset(fdt, node);
+		reg = fdt_getprop(fdt, parent, "reg", &len);
+		if (parent < 0 || !reg)
+			continue;
+
+		addr = fdt_translate_address((void *)fdt, parent, reg);
+		fdt_node = (addr >> 36) & 0x7;
+		fdt_bgx = (addr >> 24) & 0xf;
+
+		/* Get the lmac index from the reg property */
+		reg = fdt_getprop(fdt, node, "reg", &len);
+		if (reg)
+			fdt_lmac = *reg;
+
+		/* Check for a match */
+		if (search_node == fdt_node && search_bgx == fdt_bgx &&
+		    search_lmac == fdt_lmac)
+			return node;
+	}
+
+	return -1;
+}
+
+/*
+ * get_mix_fdt_node:	Search the device tree for the node corresponding to
+ *			a given mix.
+ *
+ *  fdt:		Pointer to flat device tree
+ *  search_node:	Mix numa node to search for.
+ *  search_index:	Mix index to search for.
+ *
+ *  returns:		The device tree node of the lmac if found,
+ *			or -1 otherwise.
+ */
+static int get_mix_fdt_node(const void *fdt, int search_node, int search_index)
+{
+	int node;
+
+	/* Iterate through all the mix fdt nodes */
+	node = -1;
+	while ((node = fdt_node_offset_by_compatible((void *)fdt, node,
+						     "cavium,octeon-7890-mix")) >= 0) {
+		int parent;
+		int len;
+		const char *name;
+		int mix_numa_node;
+		const fdt32_t *reg;
+		int mix_index = -1;
+		u64 addr;
+
+		/* Get the numa node of the mix from the parent node name */
+		parent = fdt_parent_offset(fdt, node);
+		if (parent < 0 ||
+		    ((name = fdt_get_name(fdt, parent, &len)) == NULL) ||
+		    ((name = strchr(name, '@')) == NULL))
+			continue;
+
+		name++;
+		mix_numa_node = simple_strtol(name, NULL, 0) ? 1 : 0;
+
+		/* Get the mix index from the reg property */
+		reg = fdt_getprop(fdt, node, "reg", &len);
+		if (reg) {
+			addr = fdt_translate_address((void *)fdt, parent, reg);
+			mix_index = (addr >> 11) & 1;
+		}
+
+		/* Check for a match */
+		if (mix_numa_node == search_node && mix_index == search_index)
+			return node;
+	}
+
+	return -1;
+}
+
+/*
+ * fdt_fix_mix:		Fix the mix nodes in the device tree. Only the mix nodes
+ *			configured by the user will be preserved. All other mix
+ *			nodes will be trimmed.
+ *
+ *  fdt:		Pointer to flat device tree
+ *
+ *  returns:		Zero on success, error otherwise.
+ */
+static int fdt_fix_mix(const void *fdt)
+{
+	int node;
+	int next_node;
+	int len;
+	int i;
+
+	/* Parse all the mix port environment variables */
+	for (i = 0; i < MAX_MIX_ENV_VARS; i++) {
+		int env_node = 0;
+		int env_bgx = -1;
+		int env_lmac = -1;
+		int lmac_fdt_node = -1;
+		int mix_fdt_node = -1;
+		int lmac_phandle;
+		char *compat;
+
+		/* Get the lmac for this environment variable */
+		if (parse_env_var(i, &env_bgx, &env_lmac))
+			continue;
+
+		/* Get the fdt node for this lmac and add a phandle to it */
+		compat = "cavium,octeon-7890-bgx-port";
+		lmac_fdt_node = get_lmac_fdt_node(fdt, env_node, env_bgx,
+						  env_lmac, compat);
+		if (lmac_fdt_node < 0) {
+			/* Must check for the xcv compatible string too */
+			compat = "cavium,octeon-7360-xcv";
+			lmac_fdt_node = get_lmac_fdt_node(fdt, env_node,
+							  env_bgx, env_lmac,
+							  compat);
+			if (lmac_fdt_node < 0) {
+				printf("WARNING: Failed to get lmac fdt node for %d%d%d\n",
+				       env_node, env_bgx, env_lmac);
+				continue;
+			}
+		}
+
+		lmac_phandle = fdt_alloc_phandle((void *)fdt);
+		fdt_set_phandle((void *)fdt, lmac_fdt_node, lmac_phandle);
+
+		/* Get the fdt mix node corresponding to this lmac */
+		mix_fdt_node = get_mix_fdt_node(fdt, env_node, env_lmac);
+		if (mix_fdt_node < 0)
+			continue;
+
+		/* Point the mix to the lmac */
+		fdt_getprop(fdt, mix_fdt_node, "cavium,mac-handle", &len);
+		fdt_setprop_inplace((void *)fdt, mix_fdt_node,
+				    "cavium,mac-handle", &lmac_phandle, len);
+	}
+
+	/* Trim unused mix'es from the device tree */
+	for (node = fdt_next_node(fdt, -1, NULL); node >= 0; node = next_node) {
+		const char *compat;
+		const fdt32_t *reg;
+
+		next_node = fdt_next_node(fdt, node, NULL);
+
+		compat = fdt_getprop(fdt, node, "compatible", &len);
+		if (compat) {
+			if (strcmp(compat, "cavium,octeon-7890-mix"))
+				continue;
+
+			reg = fdt_getprop(fdt, node, "cavium,mac-handle", &len);
+			if (reg) {
+				if (*reg == 0xffff)
+					fdt_nop_node((void *)fdt, node);
+			}
+		}
+	}
+
+	return 0;
+}
+
+static void kill_fdt_phy(void *fdt, int offset, void *arg)
+{
+	int len, phy_offset;
+	const fdt32_t *php;
+	u32 phandle;
+
+	php = fdt_getprop(fdt, offset, "phy-handle", &len);
+	if (php && len == sizeof(*php)) {
+		phandle = fdt32_to_cpu(*php);
+		fdt_nop_property(fdt, offset, "phy-handle");
+		phy_offset = fdt_node_offset_by_phandle(fdt, phandle);
+		if (phy_offset > 0)
+			fdt_nop_node(fdt, phy_offset);
+	}
+}
+
+void __fixup_xcv(void)
+{
+	unsigned long bgx = env_get_ulong("bgx_for_rgmii", 10,
+					  (unsigned long)-1);
+	char fdt_key[16];
+	int i;
+
+	debug("%s: BGX %d\n", __func__, (int)bgx);
+
+	for (i = 0; i < 3; i++) {
+		snprintf(fdt_key, sizeof(fdt_key),
+			 bgx == i ? "%d,xcv" : "%d,not-xcv", i);
+		debug("%s: trimming bgx %lu with key %s\n",
+		      __func__, bgx, fdt_key);
+
+		octeon_fdt_patch_rename((void *)gd->fdt_blob, fdt_key,
+					"cavium,xcv-trim", true, NULL, NULL);
+	}
+}
+
+/* QLM0 - QLM6 */
+void __fixup_fdt(void)
+{
+	int qlm;
+	int speed = 0;
+
+	for (qlm = 0; qlm < 7; qlm++) {
+		enum cvmx_qlm_mode mode;
+		char fdt_key[16];
+		const char *type_str = "none";
+
+		mode = cvmx_qlm_get_mode(qlm);
+		switch (mode) {
+		case CVMX_QLM_MODE_SGMII:
+		case CVMX_QLM_MODE_RGMII_SGMII:
+		case CVMX_QLM_MODE_RGMII_SGMII_1X1:
+			type_str = "sgmii";
+			break;
+		case CVMX_QLM_MODE_XAUI:
+		case CVMX_QLM_MODE_RGMII_XAUI:
+			speed = (cvmx_qlm_get_gbaud_mhz(qlm) * 8 / 10) * 4;
+			if (speed == 10000)
+				type_str = "xaui";
+			else
+				type_str = "dxaui";
+			break;
+		case CVMX_QLM_MODE_RXAUI:
+		case CVMX_QLM_MODE_RGMII_RXAUI:
+			type_str = "rxaui";
+			break;
+		case CVMX_QLM_MODE_XLAUI:
+		case CVMX_QLM_MODE_RGMII_XLAUI:
+			type_str = "xlaui";
+			break;
+		case CVMX_QLM_MODE_XFI:
+		case CVMX_QLM_MODE_RGMII_XFI:
+		case CVMX_QLM_MODE_RGMII_XFI_1X1:
+			type_str = "xfi";
+			break;
+		case CVMX_QLM_MODE_10G_KR:
+		case CVMX_QLM_MODE_RGMII_10G_KR:
+			type_str = "10G_KR";
+			break;
+		case CVMX_QLM_MODE_40G_KR4:
+		case CVMX_QLM_MODE_RGMII_40G_KR4:
+			type_str = "40G_KR4";
+			break;
+		case CVMX_QLM_MODE_SATA_2X1:
+			type_str = "sata";
+			break;
+		case CVMX_QLM_MODE_SGMII_2X1:
+		case CVMX_QLM_MODE_XFI_1X2:
+		case CVMX_QLM_MODE_10G_KR_1X2:
+		case CVMX_QLM_MODE_RXAUI_1X2:
+		case CVMX_QLM_MODE_MIXED: // special for DLM5 & DLM6
+		{
+			cvmx_bgxx_cmrx_config_t cmr_config;
+			cvmx_bgxx_spux_br_pmd_control_t pmd_control;
+			int mux = cvmx_qlm_mux_interface(2);
+
+			if (mux == 2) { // only dlm6
+				cmr_config.u64 = csr_rd(CVMX_BGXX_CMRX_CONFIG(2, 2));
+				pmd_control.u64 =
+					csr_rd(CVMX_BGXX_SPUX_BR_PMD_CONTROL(2, 2));
+			} else {
+				if (qlm == 5) {
+					cmr_config.u64 =
+						csr_rd(CVMX_BGXX_CMRX_CONFIG(0, 2));
+					pmd_control.u64 =
+						csr_rd(CVMX_BGXX_SPUX_BR_PMD_CONTROL(0, 2));
+				} else {
+					cmr_config.u64 =
+						csr_rd(CVMX_BGXX_CMRX_CONFIG(2, 2));
+					pmd_control.u64 =
+						csr_rd(CVMX_BGXX_SPUX_BR_PMD_CONTROL(2, 2));
+				}
+			}
+			switch (cmr_config.s.lmac_type) {
+			case 0:
+				type_str = "sgmii";
+				break;
+			case 1:
+				type_str = "xaui";
+				break;
+			case 2:
+				type_str = "rxaui";
+				break;
+			case 3:
+				if (pmd_control.s.train_en)
+					type_str = "10G_KR";
+				else
+					type_str = "xfi";
+				break;
+			case 4:
+				if (pmd_control.s.train_en)
+					type_str = "40G_KR4";
+				else
+					type_str = "xlaui";
+				break;
+			default:
+				type_str = "none";
+				break;
+			}
+			break;
+		}
+		default:
+			type_str = "none";
+			break;
+		}
+		sprintf(fdt_key, "%d,%s", qlm, type_str);
+		debug("Patching qlm %d for %s for mode %d%s\n", qlm, fdt_key, mode,
+		      no_phy[qlm] ? ", removing PHY" : "");
+		octeon_fdt_patch_rename((void *)gd->fdt_blob, fdt_key, NULL, true,
+					no_phy[qlm] ? kill_fdt_phy : NULL, NULL);
+	}
+}
+
+int board_fix_fdt(void)
+{
+	__fixup_fdt();
+	__fixup_xcv();
+
+	/* Fix the mix ports */
+	fdt_fix_mix(gd->fdt_blob);
+
+	return 0;
+}
+
+/*
+ * Here is the description of the parameters that are passed to QLM
+ * configuration:
+ *
+ *	param0 : The QLM to configure
+ *	param1 : Speed to configure the QLM at
+ *	param2 : Mode the QLM to configure
+ *	param3 : 1 = RC, 0 = EP
+ *	param4 : 0 = GEN1, 1 = GEN2, 2 = GEN3
+ *	param5 : ref clock select, 0 = 100Mhz, 1 = 125MHz, 2 = 156MHz
+ *	param6 : ref clock input to use:
+ *		 0 - external reference (QLMx_REF_CLK)
+ *		 1 = common clock 0 (QLMC_REF_CLK0)
+ *		 2 = common_clock 1 (QLMC_REF_CLK1)
+ */
+static void board_configure_qlms(void)
+{
+	int speed[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+	int mode[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
+	int pcie_rc[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+	int pcie_gen[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+	int ref_clock_sel[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+	int ref_clock_input[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+	struct gpio_desc desc;
+	int rbgx, rqlm;
+	char env_var[16];
+	int qlm;
+	int ret;
+
+	/* RGMII PHY reset GPIO */
+	ret = dm_gpio_lookup_name("gpio-controllerA27", &desc);
+	if (ret)
+		debug("gpio ret=%d\n", ret);
+	ret = dm_gpio_request(&desc, "rgmii_phy_reset");
+	if (ret)
+		debug("gpio_request ret=%d\n", ret);
+	ret = dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
+	if (ret)
+		debug("gpio dir ret=%d\n", ret);
+
+	/* Put RGMII PHY in reset */
+	dm_gpio_set_value(&desc, 0);
+
+	octeon_init_qlm(0);
+
+	rbgx = env_get_ulong("bgx_for_rgmii", 10, (unsigned long)-1);
+	switch (rbgx) {
+	case 0:
+		rqlm = 2;
+		break;
+	case 1:
+		rqlm = 3;
+		break;
+	case 2:
+		rqlm = 5;
+		break;
+	default:
+		rqlm = -1;
+		break;
+	}
+
+	for (qlm = 0; qlm < 7; qlm++) {
+		const char *mode_str;
+		char spd_env[16];
+
+		mode[qlm] = CVMX_QLM_MODE_DISABLED;
+		sprintf(env_var, "qlm%d_mode", qlm);
+		mode_str = env_get(env_var);
+		if (!mode_str)
+			continue;
+
+		if (qlm == 4 && mode[4] != -1 &&
+		    mode[4] != CVMX_QLM_MODE_SATA_2X1) {
+			printf("Error: DLM 4 can only be configured for SATA\n");
+			continue;
+		}
+
+		if (strstr(mode_str, ",no_phy"))
+			no_phy[qlm] = 1;
+
+		if (!strncmp(mode_str, "sgmii", 5)) {
+			bool rgmii = false;
+
+			speed[qlm] = 1250;
+			if (rqlm == qlm && qlm < 5) {
+				mode[qlm] = CVMX_QLM_MODE_RGMII_SGMII;
+				rgmii = true;
+			} else if (qlm == 6 || qlm == 5) {
+				if (rqlm == qlm && qlm == 5) {
+					mode[qlm] = CVMX_QLM_MODE_RGMII_SGMII_1X1;
+					rgmii = true;
+				} else if (rqlm == 5 && qlm == 6 &&
+					   mode[5] != CVMX_QLM_MODE_RGMII_SGMII_1X1) {
+					mode[qlm] = CVMX_QLM_MODE_RGMII_SGMII_2X1;
+					rgmii = true;
+				} else {
+					mode[qlm] = CVMX_QLM_MODE_SGMII_2X1;
+				}
+			} else {
+				mode[qlm] = CVMX_QLM_MODE_SGMII;
+			}
+			ref_clock_sel[qlm] = 2;
+
+			if (qlm == 5 || qlm == 6)
+				ref_clock_input[qlm] = 2; // use QLMC_REF_CLK1
+
+			if (no_phy[qlm]) {
+				int i;
+				int start = 0, stop = 2;
+
+				rbgx = 0;
+				switch (qlm) {
+				case 3:
+					rbgx = 1;
+				case 2:
+					for (i = 0; i < 4; i++) {
+						printf("Ignoring PHY for interface: %d, port: %d\n",
+						       rbgx, i);
+						cvmx_helper_set_port_force_link_up(rbgx, i, true);
+					}
+					break;
+				case 6:
+					start = 2;
+					stop = 4;
+				case 5:
+					for (i = start; i < stop; i++) {
+						printf("Ignoring PHY for interface: %d, port: %d\n",
+						       2, i);
+						cvmx_helper_set_port_force_link_up(2, i, true);
+					}
+					break;
+				default:
+					printf("SGMII not supported for QLM/DLM %d\n",
+					       qlm);
+					break;
+				}
+			}
+			printf("QLM %d: SGMII%s\n",
+			       qlm, rgmii ? ", RGMII" : "");
+		} else if (!strncmp(mode_str, "xaui", 4)) {
+			speed[qlm] = 3125;
+			mode[qlm] = CVMX_QLM_MODE_XAUI;
+			ref_clock_sel[qlm] = 2;
+			if (qlm == 5 || qlm == 6)
+				ref_clock_input[qlm] = 2; // use QLMC_REF_CLK1
+			printf("QLM %d: XAUI\n", qlm);
+		} else if (!strncmp(mode_str, "dxaui", 5)) {
+			speed[qlm] = 6250;
+			mode[qlm] = CVMX_QLM_MODE_XAUI;
+			ref_clock_sel[qlm] = 2;
+			if (qlm == 5 || qlm == 6)
+				ref_clock_input[qlm] = 2; // use QLMC_REF_CLK1
+			printf("QLM %d: DXAUI\n", qlm);
+		} else if (!strncmp(mode_str, "rxaui", 5)) {
+			bool rgmii = false;
+
+			speed[qlm] = 6250;
+			if (qlm == 5 || qlm == 6) {
+				if (rqlm == qlm && qlm == 5) {
+					mode[qlm] = CVMX_QLM_MODE_RGMII_RXAUI;
+					rgmii = true;
+				} else {
+					mode[qlm] = CVMX_QLM_MODE_RXAUI_1X2;
+				}
+			} else {
+				mode[qlm] = CVMX_QLM_MODE_RXAUI;
+			}
+			ref_clock_sel[qlm] = 2;
+			if (qlm == 5 || qlm == 6)
+				ref_clock_input[qlm] = 2; // use QLMC_REF_CLK1
+			printf("QLM %d: RXAUI%s\n",
+			       qlm, rgmii ? ", rgmii" : "");
+		} else if (!strncmp(mode_str, "xlaui", 5)) {
+			speed[qlm] = 103125;
+			mode[qlm] = CVMX_QLM_MODE_XLAUI;
+			ref_clock_sel[qlm] = 2;
+			if (qlm == 5 || qlm == 6)
+				ref_clock_input[qlm] = 2; // use QLMC_REF_CLK1
+			sprintf(spd_env, "qlm%d_speed", qlm);
+			if (env_get(spd_env)) {
+				int spd = env_get_ulong(spd_env, 0, 8);
+
+				if (spd)
+					speed[qlm] = spd;
+				else
+					speed[qlm] = 103125;
+			}
+			printf("QLM %d: XLAUI\n", qlm);
+		} else if (!strncmp(mode_str, "xfi", 3)) {
+			bool rgmii = false;
+
+			speed[qlm] = 103125;
+			if (rqlm == qlm) {
+				mode[qlm] = CVMX_QLM_MODE_RGMII_XFI;
+				rgmii = true;
+			} else if (qlm == 5 || qlm == 6) {
+				mode[qlm] = CVMX_QLM_MODE_XFI_1X2;
+			} else {
+				mode[qlm] = CVMX_QLM_MODE_XFI;
+			}
+			ref_clock_sel[qlm] = 2;
+			if (qlm == 5 || qlm == 6)
+				ref_clock_input[qlm] = 2; // use QLMC_REF_CLK1
+			printf("QLM %d: XFI%s\n", qlm, rgmii ? ", RGMII" : "");
+		} else if (!strncmp(mode_str, "10G_KR", 6)) {
+			speed[qlm] = 103125;
+			if (rqlm == qlm && qlm == 5)
+				mode[qlm] = CVMX_QLM_MODE_RGMII_10G_KR;
+			else if (qlm == 5 || qlm == 6)
+				mode[qlm] = CVMX_QLM_MODE_10G_KR_1X2;
+			else
+				mode[qlm] = CVMX_QLM_MODE_10G_KR;
+			ref_clock_sel[qlm] = 2;
+			if (qlm == 5 || qlm == 6)
+				ref_clock_input[qlm] = 2; // use QLMC_REF_CLK1
+			printf("QLM %d: 10G_KR\n", qlm);
+		} else if (!strncmp(mode_str, "40G_KR4", 7)) {
+			speed[qlm] = 103125;
+			mode[qlm] = CVMX_QLM_MODE_40G_KR4;
+			ref_clock_sel[qlm] = 2;
+			if (qlm == 5 || qlm == 6)
+				ref_clock_input[qlm] = 2; // use QLMC_REF_CLK1
+			printf("QLM %d: 40G_KR4\n", qlm);
+		} else if (!strcmp(mode_str, "pcie")) {
+			char *pmode;
+			int lanes = 0;
+
+			sprintf(env_var, "pcie%d_mode", qlm);
+			pmode = env_get(env_var);
+			if (pmode && !strcmp(pmode, "ep"))
+				pcie_rc[qlm] = 0;
+			else
+				pcie_rc[qlm] = 1;
+			sprintf(env_var, "pcie%d_gen", qlm);
+			pcie_gen[qlm] = env_get_ulong(env_var, 0, 3);
+			sprintf(env_var, "pcie%d_lanes", qlm);
+			lanes = env_get_ulong(env_var, 0, 8);
+			if (lanes == 8) {
+				mode[qlm] = CVMX_QLM_MODE_PCIE_1X8;
+			} else if (qlm == 5 || qlm == 6) {
+				if (lanes != 2) {
+					printf("QLM%d: Invalid lanes selected, defaulting to 2 lanes\n",
+					       qlm);
+				}
+				mode[qlm] = CVMX_QLM_MODE_PCIE_1X2;
+				ref_clock_input[qlm] = 1; // use QLMC_REF_CLK0
+			} else {
+				mode[qlm] = CVMX_QLM_MODE_PCIE;
+			}
+			ref_clock_sel[qlm] = 0;
+			printf("QLM %d: PCIe gen%d %s, x%d lanes\n",
+			       qlm, pcie_gen[qlm] + 1,
+			       pcie_rc[qlm] ? "root complex" : "endpoint",
+			       lanes);
+		} else if (!strcmp(mode_str, "sata")) {
+			mode[qlm] = CVMX_QLM_MODE_SATA_2X1;
+			ref_clock_sel[qlm] = 0;
+			ref_clock_input[qlm] = 1;
+			sprintf(spd_env, "qlm%d_speed", qlm);
+			if (env_get(spd_env)) {
+				int spd = env_get_ulong(spd_env, 0, 8);
+
+				if (spd == 1500 || spd == 3000 || spd == 3000)
+					speed[qlm] = spd;
+				else
+					speed[qlm] = 6000;
+			} else {
+				speed[qlm] = 6000;
+			}
+		} else {
+			printf("QLM %d: disabled\n", qlm);
+		}
+	}
+
+	for (qlm = 0; qlm < 7; qlm++) {
+		int rc;
+
+		if (mode[qlm] == -1)
+			continue;
+
+		debug("Configuring qlm%d with speed(%d), mode(%d), RC(%d), Gen(%d), REF_CLK(%d), CLK_SOURCE(%d)\n",
+		      qlm, speed[qlm], mode[qlm], pcie_rc[qlm],
+		      pcie_gen[qlm] + 1,
+		      ref_clock_sel[qlm], ref_clock_input[qlm]);
+		rc = octeon_configure_qlm(qlm, speed[qlm], mode[qlm],
+					  pcie_rc[qlm], pcie_gen[qlm],
+					  ref_clock_sel[qlm],
+					  ref_clock_input[qlm]);
+
+		if (speed[qlm] == 6250) {
+			if (mode[qlm] == CVMX_QLM_MODE_RXAUI) {
+				octeon_qlm_tune_v3(0, qlm, speed[qlm], 0x12,
+						   0xa0, -1, -1);
+			} else {
+				octeon_qlm_tune_v3(0, qlm, speed[qlm], 0xa,
+						   0xa0, -1, -1);
+			}
+		} else if (speed[qlm] == 103125) {
+			octeon_qlm_tune_v3(0, qlm, speed[qlm], 0xd, 0xd0,
+					   -1, -1);
+		}
+
+		if (qlm == 4 && rc != 0)
+			/*
+			 * There is a bug with SATA with 73xx.  Until it's
+			 * fixed we need to strip it from the device tree.
+			 */
+			octeon_fdt_patch_rename((void *)gd->fdt_blob, "4,none",
+						NULL, true, NULL, NULL);
+	}
+
+	dm_gpio_set_value(&desc, 0); /* Put RGMII PHY in reset */
+	mdelay(10);
+	dm_gpio_set_value(&desc, 1); /* Take RGMII PHY out of reset */
+}
+
+int board_late_init(void)
+{
+	board_configure_qlms();
+
+	return 0;
+}
diff --git a/board/Marvell/octeon_nic23/Kconfig b/board/Marvell/octeon_nic23/Kconfig
new file mode 100644
index 0000000000..3c42e8acda
--- /dev/null
+++ b/board/Marvell/octeon_nic23/Kconfig
@@ -0,0 +1,19 @@
+if TARGET_OCTEON_NIC23
+
+config SYS_BOARD
+	string
+	default "octeon_nic23"
+
+config SYS_VENDOR
+	string
+	default "Marvell"
+
+config SYS_CONFIG_NAME
+	string
+	default "octeon_nic23"
+
+config DEFAULT_DEVICE_TREE
+	string
+	default "mrvl,octeon-nic23"
+
+endif
diff --git a/board/Marvell/octeon_nic23/MAINTAINERS b/board/Marvell/octeon_nic23/MAINTAINERS
new file mode 100644
index 0000000000..cd5148dcfe
--- /dev/null
+++ b/board/Marvell/octeon_nic23/MAINTAINERS
@@ -0,0 +1,7 @@
+OCTEON_NIC23 BOARD
+M:	Aaron Williams <awilliams@marvell.com>
+S:	Maintained
+F:	board/Marvell/octeon_nic23/*
+F:	configs/octeon_nic23_defconfig
+F:	include/configs/octeon_nic23.h
+F:	arch/mips/dts/mrvl,octeon-nic23.dts
diff --git a/board/Marvell/octeon_nic23/Makefile b/board/Marvell/octeon_nic23/Makefile
new file mode 100644
index 0000000000..a79b94ec6f
--- /dev/null
+++ b/board/Marvell/octeon_nic23/Makefile
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2021 Stefan Roese <sr@denx.de>
+# Copyright (C) 2019-2020 Marvell International Ltd.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= board.o
diff --git a/board/Marvell/octeon_nic23/board.c b/board/Marvell/octeon_nic23/board.c
new file mode 100644
index 0000000000..9f5eb2e2a1
--- /dev/null
+++ b/board/Marvell/octeon_nic23/board.c
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021 Stefan Roese <sr@denx.de>
+ */
+
+#include <dm.h>
+#include <ram.h>
+
+#include <mach/octeon_ddr.h>
+#include <mach/cvmx-qlm.h>
+#include <mach/octeon_qlm.h>
+#include <mach/octeon_fdt.h>
+#include <mach/cvmx-helper.h>
+#include <mach/cvmx-helper-cfg.h>
+#include <mach/cvmx-helper-util.h>
+#include <mach/cvmx-bgxx-defs.h>
+
+#include "board_ddr.h"
+
+#define NIC23_DEF_DRAM_FREQ		800
+
+static u8 octeon_nic23_cfg0_spd_values[512] = {
+	OCTEON_NIC23_CFG0_SPD_VALUES
+};
+
+static struct ddr_conf board_ddr_conf[] = {
+	 OCTEON_NIC23_DDR_CONFIGURATION
+};
+
+struct ddr_conf *octeon_ddr_conf_table_get(int *count, int *def_ddr_freq)
+{
+	*count = ARRAY_SIZE(board_ddr_conf);
+	*def_ddr_freq = NIC23_DEF_DRAM_FREQ;
+
+	return board_ddr_conf;
+}
+
+int board_fix_fdt(void *fdt)
+{
+	u32 range_data[5 * 8];
+	bool rev4;
+	int node;
+	int rc;
+
+	/*
+	 * ToDo:
+	 * Read rev4 info from EEPROM or where the original U-Boot does
+	 * and don't hard-code it here.
+	 */
+	rev4 = true;
+
+	debug("%s() rev4: %s\n", __func__, rev4 ? "true" : "false");
+	/* Patch the PHY configuration based on board revision */
+	rc = octeon_fdt_patch_rename(fdt,
+				     rev4 ? "4,nor-flash" : "4,no-nor-flash",
+				     "cavium,board-trim", false, NULL, NULL);
+	if (!rev4) {
+		/* Modify the ranges for CS 0 */
+		node = fdt_node_offset_by_compatible(fdt, -1,
+						     "cavium,octeon-3860-bootbus");
+		if (node < 0) {
+			printf("%s: Error: cannot find boot bus in device tree!\n",
+			       __func__);
+			return -1;
+		}
+
+		rc = fdtdec_get_int_array(fdt, node, "ranges",
+					  range_data, 5 * 8);
+		if (rc) {
+			printf("%s: Error reading ranges from boot bus FDT\n",
+			       __func__);
+			return -1;
+		}
+		range_data[2] = cpu_to_fdt32(0x10000);
+		range_data[3] = 0;
+		range_data[4] = 0;
+		rc = fdt_setprop(fdt, node, "ranges", range_data,
+				 sizeof(range_data));
+		if (rc) {
+			printf("%s: Error updating boot bus ranges in fdt\n",
+			       __func__);
+		}
+	}
+	return rc;
+}
+
+void board_configure_qlms(void)
+{
+	octeon_configure_qlm(4, 3000, CVMX_QLM_MODE_SATA_2X1, 0, 0, 0, 0);
+	octeon_configure_qlm(5, 103125, CVMX_QLM_MODE_XFI_1X2, 0, 0, 2, 0);
+	/* Apply amplitude tuning to 10G interface */
+	octeon_qlm_tune_v3(0, 4, 3000, -1, -1, 7, -1);
+	octeon_qlm_tune_v3(0, 5, 103125, 0x19, 0x0, -1, -1);
+	octeon_qlm_set_channel_v3(0, 5, 0);
+	octeon_qlm_dfe_disable(0, 5, -1, 103125, CVMX_QLM_MODE_XFI_1X2);
+	debug("QLM 4 reference clock: %d\n"
+	      "DLM 5 reference clock: %d\n",
+	      cvmx_qlm_measure_clock(4), cvmx_qlm_measure_clock(5));
+}
+
+int board_late_init(void)
+{
+	board_configure_qlms();
+
+	return 0;
+}
diff --git a/board/Marvell/octeon_nic23/board_ddr.h b/board/Marvell/octeon_nic23/board_ddr.h
new file mode 100644
index 0000000000..eac877faf8
--- /dev/null
+++ b/board/Marvell/octeon_nic23/board_ddr.h
@@ -0,0 +1,269 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */
+
+#ifndef __BOARD_DDR_H__
+#define __BOARD_DDR_H__
+
+#define OCTEON_NIC23_DRAM_SOCKET_CONFIGURATION0			\
+	{ {0x0, 0x0}, {octeon_nic23_cfg0_spd_values, NULL} }
+
+#define NIC23_MTA8ATF51264AZ2G3_SPD_VALUES			\
+	0x23, 0x10, 0x0c, 0x02, 0x84, 0x19, 0x00, 0x08,		\
+	0x00, 0x00, 0x00, 0x03, 0x01, 0x0b, 0x80, 0x00,		\
+	0x00, 0x00, 0x08, 0x0c, 0xf4, 0x1b, 0x00, 0x00,		\
+	0x6c, 0x6c, 0x6c, 0x11, 0x08, 0x74, 0x20, 0x08,		\
+	0x00, 0x05, 0x70, 0x03, 0x00, 0xa8, 0x1e, 0x2b,		\
+	0x2b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x0c, 0x2c, 0x15, 0x35,		\
+	0x15, 0x35, 0x0b, 0x2c, 0x15, 0x35, 0x0b, 0x35,		\
+	0x0b, 0x2c, 0x0b, 0x35, 0x15, 0x36, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0xec, 0xb5, 0xce,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0xc2, 0x30, 0x0e,		\
+	0x11, 0x11, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x2e,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x80, 0x2c, 0x0f, 0x14, 0x50, 0x0e, 0x08, 0x18,		\
+	0xc8, 0x31, 0x38, 0x41, 0x53, 0x46, 0x31, 0x47,		\
+	0x37, 0x32, 0x41, 0x5a, 0x2d, 0x32, 0x47, 0x31,		\
+	0x41, 0x31, 0x20, 0x20, 0x20, 0x31, 0x80, 0x2c,		\
+	0x41, 0x44, 0x50, 0x41, 0x45, 0x4e, 0x43, 0x39,		\
+	0x30, 0x30, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		\
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+
+#define OCTEON_NIC23_CFG0_SPD_VALUES	NIC23_MTA8ATF51264AZ2G3_SPD_VALUES
+
+#define OCTEON_NIC23_BOARD_EEPROM_TWSI_ADDR	0x56
+
+#define OCTEON_NIC23_MODEREG_PARAMS1_1RANK_1SLOT		\
+{								\
+		.cn78xx = {					\
+			.pasr_00	= 0,			\
+			.asr_00		= 0,			\
+			.srt_00		= 0,			\
+			.rtt_wr_00	= ddr4_rttwr_80ohm & 3,	\
+			.rtt_wr_00_ext	= (ddr4_rttwr_80ohm >> 2) & 1, \
+			.dic_00		= ddr4_dic_34ohm,	\
+			.rtt_nom_00	= 0,                    \
+			.pasr_01	= 0,			\
+			.asr_01		= 0,			\
+			.srt_01		= 0,			\
+			.rtt_wr_01	= 0,			\
+			.dic_01		= ddr4_dic_34ohm,	\
+			.rtt_nom_01	= 0,			\
+			.pasr_10	= 0,			\
+			.asr_10		= 0,			\
+			.srt_10		= 0,			\
+			.rtt_wr_10	= 0,			\
+			.dic_10		= ddr4_dic_34ohm,	\
+			.rtt_nom_10	= 0,			\
+			.pasr_11	= 0,			\
+			.asr_11		= 0,			\
+			.srt_11		= 0,			\
+			.rtt_wr_11	= 0,			\
+			.dic_11		= ddr4_dic_34ohm,	\
+			.rtt_nom_11	= 0,			\
+		}						\
+	}
+
+#define OCTEON_NIC23_MODEREG_PARAMS1_1RANK_2SLOT		\
+{								\
+		.cn78xx = {					\
+			.pasr_00	= 0,			\
+			.asr_00		= 0,			\
+			.srt_00		= 0,			\
+			.rtt_wr_00	= ddr4_rttwr_80ohm & 3,	\
+			.rtt_wr_00_ext	= (ddr4_rttwr_80ohm >> 2) & 1, \
+			.dic_00		= ddr4_dic_34ohm,	\
+			.rtt_nom_00	= 0,			\
+			.pasr_01	= 0,			\
+			.asr_01		= 0,			\
+			.srt_01		= 0,			\
+			.rtt_wr_01	= 0,			\
+			.dic_01		= ddr4_dic_34ohm,	\
+			.rtt_nom_01	= 0,			\
+			.pasr_10	= 0,			\
+			.asr_10		= 0,			\
+			.srt_10		= 0,                    \
+			.rtt_wr_10	= ddr4_rttwr_80ohm & 3,	\
+			.rtt_wr_10_ext	= (ddr4_rttwr_80ohm >> 2) & 1, \
+			.dic_10		= ddr4_dic_34ohm,	\
+			.rtt_nom_10	= 0,			\
+			.pasr_11	= 0,			\
+			.asr_11		= 0,			\
+			.srt_11		= 0,			\
+			.rtt_wr_11	= 0,			\
+			.dic_11		= ddr4_dic_34ohm,	\
+			.rtt_nom_11	= 0			\
+		}                                               \
+}
+
+#define OCTEON_NIC23_MODEREG_PARAMS2_1RANK_1SLOT	\
+{							\
+	.cn78xx = {					\
+		.rtt_park_00    = ddr4_rttpark_60ohm,	\
+		.vref_value_00  = 0x22,			\
+		.vref_range_00  = 0,			\
+		.rtt_park_01    = 0,			\
+		.vref_value_01  = 0,			\
+		.vref_range_01  = 0,			\
+		.rtt_park_10    = 0,			\
+		.vref_value_10  = 0,			\
+		.vref_range_10  = 0,			\
+		.rtt_park_11    = 0,			\
+		.vref_value_11  = 0,			\
+		.vref_range_11  = 0			\
+	}						\
+}
+
+#define  OCTEON_NIC23_MODEREG_PARAMS2_1RANK_2SLOT	\
+{							\
+	.cn78xx = {					\
+		.rtt_park_00    = ddr4_rttpark_48ohm,	\
+		.vref_value_00  = 0x1f,			\
+		.vref_range_00  = 0,			\
+		.rtt_park_01    = 0,			\
+		.vref_value_01  = 0,			\
+		.vref_range_01  = 0,			\
+		.rtt_park_10    = ddr4_rttpark_48ohm,	\
+		.vref_value_10  = 0x1f,			\
+		.vref_range_10  = 0,			\
+		.rtt_park_11    = 0,			\
+		.vref_value_11  = 0,			\
+		.vref_range_11  = 0			\
+	}						\
+}
+
+#define OCTEON_NIC23_CN73XX_DRAM_ODT_1RANK_CONFIGURATION		\
+	/*   1 */							\
+	{								\
+		ddr4_dqx_driver_34_ohm,					\
+		0x00000000ULL,						\
+		OCTEON_NIC23_MODEREG_PARAMS1_1RANK_1SLOT,		\
+		OCTEON_NIC23_MODEREG_PARAMS2_1RANK_1SLOT,		\
+		ddr4_rodt_ctl_48_ohm,					\
+		0x00000000ULL,						\
+		0							\
+	},								\
+	/*   2 */							\
+	{								\
+		ddr4_dqx_driver_34_ohm,					\
+		0x00000000ULL,						\
+		OCTEON_NIC23_MODEREG_PARAMS1_1RANK_2SLOT,		\
+		OCTEON_NIC23_MODEREG_PARAMS2_1RANK_2SLOT,		\
+		ddr4_rodt_ctl_80_ohm,					\
+		0x00000000ULL,						\
+		0							\
+	}
+
+/*
+ * Construct a static initializer for the ddr_configuration_t variable that
+ * holds (almost) all of the information required for DDR initialization.
+ */
+
+/*
+ * The parameters below make up the custom_lmc_config data structure.
+ * This structure is used to customize the way that the LMC DRAM
+ * Controller is configured for a particular board design.
+ *
+ * Refer to the file lib_octeon_board_table_entry.h for a description
+ * of the custom board settings.  It is usually kept in the following
+ * location... arch/mips/include/asm/arch-octeon/
+ *
+ */
+
+#define OCTEON_NIC23_DDR_CONFIGURATION					\
+/* Interface 0 */							\
+{									\
+	.custom_lmc_config = {						\
+		.min_rtt_nom_idx	= 2,				\
+		.max_rtt_nom_idx	= 5,				\
+		.min_rodt_ctl		= 2,				\
+		.max_rodt_ctl		= 4,				\
+		.ck_ctl                 = ddr4_driver_34_ohm,           \
+		.cmd_ctl                = ddr4_driver_34_ohm,           \
+		.ctl_ctl                = ddr4_driver_34_ohm,           \
+		.min_cas_latency	= 7,				\
+		.offset_en		= 1,				\
+		.offset_udimm		= 2,				\
+		.offset_rdimm		= 2,				\
+		.ddr_rtt_nom_auto	= 0,				\
+		.ddr_rodt_ctl_auto	= 0,				\
+		.rlevel_compute		= 0,				\
+		.ddr2t_udimm		= 1,				\
+		.ddr2t_rdimm		= 1,				\
+		.maximum_adjacent_rlevel_delay_increment = 2,           \
+		.fprch2			= 2,				\
+		.dll_write_offset       = NULL,                         \
+		.dll_read_offset        = NULL,                         \
+		.disable_sequential_delay_check = 1,                    \
+		.parity			= 0				\
+	},								\
+	.dimm_config_table = {						\
+		OCTEON_NIC23_DRAM_SOCKET_CONFIGURATION0,		\
+		DIMM_CONFIG_TERMINATOR					\
+	},								\
+	.unbuffered = {							\
+		.ddr_board_delay = 0,					\
+		.lmc_delay_clk = 0,					\
+		.lmc_delay_cmd = 0,					\
+		.lmc_delay_dq = 0					\
+	},								\
+	.registered = {							\
+		.ddr_board_delay = 0,					\
+		.lmc_delay_clk = 0,					\
+		.lmc_delay_cmd = 0,					\
+		.lmc_delay_dq = 0					\
+	},								\
+	.odt_1rank_config = {						\
+		OCTEON_NIC23_CN73XX_DRAM_ODT_1RANK_CONFIGURATION	\
+	},								\
+},
+
+#endif /* __BOARD_DDR_H__ */