arch/mips/netlogic/xlr/fmn-config.c - third_party/linux - Git at Google

 /*
  * Copyright (c) 2003-2012 Broadcom Corporation
  * All Rights Reserved
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
  * General Public License (GPL) Version 2, available from the file
  * COPYING in the main directory of this source tree, or the Broadcom
  * license below:
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include <asm/cpu-info.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>

 #include <asm/cpu.h>
 #include <asm/mipsregs.h>
 #include <asm/netlogic/xlr/fmn.h>
 #include <asm/netlogic/xlr/xlr.h>
 #include <asm/netlogic/common.h>
 #include <asm/netlogic/haldefs.h>

 struct xlr_board_fmn_config xlr_board_fmn_config;

 static void __maybe_unused print_credit_config(struct xlr_fmn_info *fmn_info)
 {
 	int bkt;

 	pr_info("Bucket size :\n");
 	pr_info("Station\t: Size\n");
 	for (bkt = 0; bkt < 16; bkt++)
 		pr_info(" %d  %d  %d  %d  %d  %d  %d %d\n",
 			xlr_board_fmn_config.bucket_size[(bkt * 8) + 0],
 			xlr_board_fmn_config.bucket_size[(bkt * 8) + 1],
 			xlr_board_fmn_config.bucket_size[(bkt * 8) + 2],
 			xlr_board_fmn_config.bucket_size[(bkt * 8) + 3],
 			xlr_board_fmn_config.bucket_size[(bkt * 8) + 4],
 			xlr_board_fmn_config.bucket_size[(bkt * 8) + 5],
 			xlr_board_fmn_config.bucket_size[(bkt * 8) + 6],
 			xlr_board_fmn_config.bucket_size[(bkt * 8) + 7]);
 	pr_info("\n");

 	pr_info("Credits distribution :\n");
 	pr_info("Station\t: Size\n");
 	for (bkt = 0; bkt < 16; bkt++)
 		pr_info(" %d  %d  %d  %d  %d  %d  %d %d\n",
 			fmn_info->credit_config[(bkt * 8) + 0],
 			fmn_info->credit_config[(bkt * 8) + 1],
 			fmn_info->credit_config[(bkt * 8) + 2],
 			fmn_info->credit_config[(bkt * 8) + 3],
 			fmn_info->credit_config[(bkt * 8) + 4],
 			fmn_info->credit_config[(bkt * 8) + 5],
 			fmn_info->credit_config[(bkt * 8) + 6],
 			fmn_info->credit_config[(bkt * 8) + 7]);
 	pr_info("\n");
 }

 static void check_credit_distribution(void)
 {
 	struct xlr_board_fmn_config *cfg = &xlr_board_fmn_config;
 	int bkt, n, total_credits, ncores;

 	ncores = hweight32(nlm_current_node()->coremask);
 	for (bkt = 0; bkt < 128; bkt++) {
 		total_credits = 0;
 		for (n = 0; n < ncores; n++)
 			total_credits += cfg->cpu[n].credit_config[bkt];
 		total_credits += cfg->gmac[0].credit_config[bkt];
 		total_credits += cfg->gmac[1].credit_config[bkt];
 		total_credits += cfg->dma.credit_config[bkt];
 		total_credits += cfg->cmp.credit_config[bkt];
 		total_credits += cfg->sae.credit_config[bkt];
 		total_credits += cfg->xgmac[0].credit_config[bkt];
 		total_credits += cfg->xgmac[1].credit_config[bkt];
 		if (total_credits > cfg->bucket_size[bkt])
 			pr_err("ERROR: Bucket %d: credits (%d) > size (%d)\n",
 				bkt, total_credits, cfg->bucket_size[bkt]);
 	}
 	pr_info("Credit distribution complete.\n");
 }

 /**
  * Configure bucket size and credits for a device. 'size' is the size of
  * the buckets for the device. This size is distributed among all the CPUs
  * so that all of them can send messages to the device.
  *
  * The device is also given 'cpu_credits' to send messages to the CPUs
  *
  * @dev_info: FMN information structure for each devices
  * @start_stn_id: Starting station id of dev_info
  * @end_stn_id: End station id of dev_info
  * @num_buckets: Total number of buckets for den_info
  * @cpu_credits: Allowed credits to cpu for each devices pointing by dev_info
  * @size: Size of the each buckets in the device station
  */
 static void setup_fmn_cc(struct xlr_fmn_info *dev_info, int start_stn_id,
 		int end_stn_id, int num_buckets, int cpu_credits, int size)
 {
 	int i, j, num_core, n, credits_per_cpu;
 	struct xlr_fmn_info *cpu = xlr_board_fmn_config.cpu;

 	num_core = hweight32(nlm_current_node()->coremask);
 	dev_info->num_buckets	= num_buckets;
 	dev_info->start_stn_id	= start_stn_id;
 	dev_info->end_stn_id	= end_stn_id;

 	n = num_core;
 	if (num_core == 3)
 		n = 4;

 	for (i = start_stn_id; i <= end_stn_id; i++) {
 		xlr_board_fmn_config.bucket_size[i] = size;

 		/* Dividing device credits equally to cpus */
 		credits_per_cpu = size / n;
 		for (j = 0; j < num_core; j++)
 			cpu[j].credit_config[i] = credits_per_cpu;

 		/* credits left to distribute */
 		credits_per_cpu = size - (credits_per_cpu * num_core);

 		/* distribute the remaining credits (if any), among cores */
 		for (j = 0; (j < num_core) && (credits_per_cpu >= 4); j++) {
 			cpu[j].credit_config[i] += 4;
 			credits_per_cpu -= 4;
 		}
 	}

 	/* Distributing cpu per bucket credits to devices */
 	for (i = 0; i < num_core; i++) {
 		for (j = 0; j < FMN_CORE_NBUCKETS; j++)
 			dev_info->credit_config[(i * 8) + j] = cpu_credits;
 	}
 }

 /*
  * Each core has 256 slots and 8 buckets,
  * Configure the 8 buckets each with 32 slots
  */
 static void setup_cpu_fmninfo(struct xlr_fmn_info *cpu, int num_core)
 {
 	int i, j;

 	for (i = 0; i < num_core; i++) {
 		cpu[i].start_stn_id	= (8 * i);
 		cpu[i].end_stn_id	= (8 * i + 8);

 		for (j = cpu[i].start_stn_id; j < cpu[i].end_stn_id; j++)
 			xlr_board_fmn_config.bucket_size[j] = 32;
 	}
 }

 /**
  * Setup the FMN details for each devices according to the device available
  * in each variant of XLR/XLS processor
  */
 void xlr_board_info_setup(void)
 {
 	struct xlr_fmn_info *cpu = xlr_board_fmn_config.cpu;
 	struct xlr_fmn_info *gmac = xlr_board_fmn_config.gmac;
 	struct xlr_fmn_info *xgmac = xlr_board_fmn_config.xgmac;
 	struct xlr_fmn_info *dma = &xlr_board_fmn_config.dma;
 	struct xlr_fmn_info *cmp = &xlr_board_fmn_config.cmp;
 	struct xlr_fmn_info *sae = &xlr_board_fmn_config.sae;
 	int processor_id, num_core;

 	num_core = hweight32(nlm_current_node()->coremask);
 	processor_id = read_c0_prid() & PRID_IMP_MASK;

 	setup_cpu_fmninfo(cpu, num_core);
 	switch (processor_id) {
 	case PRID_IMP_NETLOGIC_XLS104:
 	case PRID_IMP_NETLOGIC_XLS108:
 		setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
 					FMN_STNID_GMAC0_TX3, 8, 16, 32);
 		setup_fmn_cc(dma, FMN_STNID_DMA_0,
 					FMN_STNID_DMA_3, 4, 8, 64);
 		setup_fmn_cc(sae, FMN_STNID_SEC0,
 					FMN_STNID_SEC1, 2, 8, 128);
 		break;

 	case PRID_IMP_NETLOGIC_XLS204:
 	case PRID_IMP_NETLOGIC_XLS208:
 		setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
 					FMN_STNID_GMAC0_TX3, 8, 16, 32);
 		setup_fmn_cc(dma, FMN_STNID_DMA_0,
 					FMN_STNID_DMA_3, 4, 8, 64);
 		setup_fmn_cc(sae, FMN_STNID_SEC0,
 					FMN_STNID_SEC1, 2, 8, 128);
 		break;

 	case PRID_IMP_NETLOGIC_XLS404:
 	case PRID_IMP_NETLOGIC_XLS408:
 	case PRID_IMP_NETLOGIC_XLS404B:
 	case PRID_IMP_NETLOGIC_XLS408B:
 	case PRID_IMP_NETLOGIC_XLS416B:
 	case PRID_IMP_NETLOGIC_XLS608B:
 	case PRID_IMP_NETLOGIC_XLS616B:
 		setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
 					FMN_STNID_GMAC0_TX3, 8, 8, 32);
 		setup_fmn_cc(&gmac[1], FMN_STNID_GMAC1_FR_0,
 					FMN_STNID_GMAC1_TX3, 8, 8, 32);
 		setup_fmn_cc(dma, FMN_STNID_DMA_0,
 					FMN_STNID_DMA_3, 4, 4, 64);
 		setup_fmn_cc(cmp, FMN_STNID_CMP_0,
 					FMN_STNID_CMP_3, 4, 4, 64);
 		setup_fmn_cc(sae, FMN_STNID_SEC0,
 					FMN_STNID_SEC1, 2, 8, 128);
 		break;

 	case PRID_IMP_NETLOGIC_XLS412B:
 		setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
 					FMN_STNID_GMAC0_TX3, 8, 8, 32);
 		setup_fmn_cc(&gmac[1], FMN_STNID_GMAC1_FR_0,
 					FMN_STNID_GMAC1_TX3, 8, 8, 32);
 		setup_fmn_cc(dma, FMN_STNID_DMA_0,
 					FMN_STNID_DMA_3, 4, 4, 64);
 		setup_fmn_cc(cmp, FMN_STNID_CMP_0,
 					FMN_STNID_CMP_3, 4, 4, 64);
 		setup_fmn_cc(sae, FMN_STNID_SEC0,
 					FMN_STNID_SEC1, 2, 8, 128);
 		break;

 	case PRID_IMP_NETLOGIC_XLR308:
 	case PRID_IMP_NETLOGIC_XLR308C:
 		setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
 					FMN_STNID_GMAC0_TX3, 8, 16, 32);
 		setup_fmn_cc(dma, FMN_STNID_DMA_0,
 					FMN_STNID_DMA_3, 4, 8, 64);
 		setup_fmn_cc(sae, FMN_STNID_SEC0,
 					FMN_STNID_SEC1, 2, 4, 128);
 		break;

 	case PRID_IMP_NETLOGIC_XLR532:
 	case PRID_IMP_NETLOGIC_XLR532C:
 	case PRID_IMP_NETLOGIC_XLR516C:
 	case PRID_IMP_NETLOGIC_XLR508C:
 		setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
 					FMN_STNID_GMAC0_TX3, 8, 16, 32);
 		setup_fmn_cc(dma, FMN_STNID_DMA_0,
 					FMN_STNID_DMA_3, 4, 8, 64);
 		setup_fmn_cc(sae, FMN_STNID_SEC0,
 					FMN_STNID_SEC1, 2, 4, 128);
 		break;

 	case PRID_IMP_NETLOGIC_XLR732:
 	case PRID_IMP_NETLOGIC_XLR716:
 		setup_fmn_cc(&xgmac[0], FMN_STNID_XMAC0_00_TX,
 					FMN_STNID_XMAC0_15_TX, 8, 0, 32);
 		setup_fmn_cc(&xgmac[1], FMN_STNID_XMAC1_00_TX,
 					FMN_STNID_XMAC1_15_TX, 8, 0, 32);
 		setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
 					FMN_STNID_GMAC0_TX3, 8, 24, 32);
 		setup_fmn_cc(dma, FMN_STNID_DMA_0,
 					FMN_STNID_DMA_3, 4, 4, 64);
 		setup_fmn_cc(sae, FMN_STNID_SEC0,
 					FMN_STNID_SEC1, 2, 4, 128);
 		break;
 	default:
 		pr_err("Unknown CPU with processor ID [%d]\n", processor_id);
 		pr_err("Error: Cannot initialize FMN credits.\n");
 	}

 	check_credit_distribution();

 #if 0 /* debug */
 	print_credit_config(&cpu[0]);
 	print_credit_config(&gmac[0]);
 #endif
 }
	/*
	* Copyright (c) 2003-2012 Broadcom Corporation
	* All Rights Reserved
	*
	* This software is available to you under a choice of one of two
	* licenses. You may choose to be licensed under the terms of the GNU
	* General Public License (GPL) Version 2, available from the file
	* COPYING in the main directory of this source tree, or the Broadcom
	* license below:
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	*
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in
	* the documentation and/or other materials provided with the
	* distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
	* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
	* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include <asm/cpu-info.h>
	#include <linux/irq.h>
	#include <linux/interrupt.h>

	#include <asm/cpu.h>
	#include <asm/mipsregs.h>
	#include <asm/netlogic/xlr/fmn.h>
	#include <asm/netlogic/xlr/xlr.h>
	#include <asm/netlogic/common.h>
	#include <asm/netlogic/haldefs.h>

	struct xlr_board_fmn_config xlr_board_fmn_config;

	static void __maybe_unused print_credit_config(struct xlr_fmn_info *fmn_info)
	{
	int bkt;

	pr_info("Bucket size :\n");
	pr_info("Station\t: Size\n");
	for (bkt = 0; bkt < 16; bkt++)
	pr_info(" %d %d %d %d %d %d %d %d\n",
	xlr_board_fmn_config.bucket_size[(bkt * 8) + 0],
	xlr_board_fmn_config.bucket_size[(bkt * 8) + 1],
	xlr_board_fmn_config.bucket_size[(bkt * 8) + 2],
	xlr_board_fmn_config.bucket_size[(bkt * 8) + 3],
	xlr_board_fmn_config.bucket_size[(bkt * 8) + 4],
	xlr_board_fmn_config.bucket_size[(bkt * 8) + 5],
	xlr_board_fmn_config.bucket_size[(bkt * 8) + 6],
	xlr_board_fmn_config.bucket_size[(bkt * 8) + 7]);
	pr_info("\n");

	pr_info("Credits distribution :\n");
	pr_info("Station\t: Size\n");
	for (bkt = 0; bkt < 16; bkt++)
	pr_info(" %d %d %d %d %d %d %d %d\n",
	fmn_info->credit_config[(bkt * 8) + 0],
	fmn_info->credit_config[(bkt * 8) + 1],
	fmn_info->credit_config[(bkt * 8) + 2],
	fmn_info->credit_config[(bkt * 8) + 3],
	fmn_info->credit_config[(bkt * 8) + 4],
	fmn_info->credit_config[(bkt * 8) + 5],
	fmn_info->credit_config[(bkt * 8) + 6],
	fmn_info->credit_config[(bkt * 8) + 7]);
	pr_info("\n");
	}

	static void check_credit_distribution(void)
	{
	struct xlr_board_fmn_config *cfg = &xlr_board_fmn_config;
	int bkt, n, total_credits, ncores;

	ncores = hweight32(nlm_current_node()->coremask);
	for (bkt = 0; bkt < 128; bkt++) {
	total_credits = 0;
	for (n = 0; n < ncores; n++)
	total_credits += cfg->cpu[n].credit_config[bkt];
	total_credits += cfg->gmac[0].credit_config[bkt];
	total_credits += cfg->gmac[1].credit_config[bkt];
	total_credits += cfg->dma.credit_config[bkt];
	total_credits += cfg->cmp.credit_config[bkt];
	total_credits += cfg->sae.credit_config[bkt];
	total_credits += cfg->xgmac[0].credit_config[bkt];
	total_credits += cfg->xgmac[1].credit_config[bkt];
	if (total_credits > cfg->bucket_size[bkt])
	pr_err("ERROR: Bucket %d: credits (%d) > size (%d)\n",
	bkt, total_credits, cfg->bucket_size[bkt]);
	}
	pr_info("Credit distribution complete.\n");
	}

	/**
	* Configure bucket size and credits for a device. 'size' is the size of
	* the buckets for the device. This size is distributed among all the CPUs
	* so that all of them can send messages to the device.
	*
	* The device is also given 'cpu_credits' to send messages to the CPUs
	*
	* @dev_info: FMN information structure for each devices
	* @start_stn_id: Starting station id of dev_info
	* @end_stn_id: End station id of dev_info
	* @num_buckets: Total number of buckets for den_info
	* @cpu_credits: Allowed credits to cpu for each devices pointing by dev_info
	* @size: Size of the each buckets in the device station
	*/
	static void setup_fmn_cc(struct xlr_fmn_info *dev_info, int start_stn_id,
	int end_stn_id, int num_buckets, int cpu_credits, int size)
	{
	int i, j, num_core, n, credits_per_cpu;
	struct xlr_fmn_info *cpu = xlr_board_fmn_config.cpu;

	num_core = hweight32(nlm_current_node()->coremask);
	dev_info->num_buckets = num_buckets;
	dev_info->start_stn_id = start_stn_id;
	dev_info->end_stn_id = end_stn_id;

	n = num_core;
	if (num_core == 3)
	n = 4;

	for (i = start_stn_id; i <= end_stn_id; i++) {
	xlr_board_fmn_config.bucket_size[i] = size;

	/* Dividing device credits equally to cpus */
	credits_per_cpu = size / n;
	for (j = 0; j < num_core; j++)
	cpu[j].credit_config[i] = credits_per_cpu;

	/* credits left to distribute */
	credits_per_cpu = size - (credits_per_cpu * num_core);

	/* distribute the remaining credits (if any), among cores */
	for (j = 0; (j < num_core) && (credits_per_cpu >= 4); j++) {
	cpu[j].credit_config[i] += 4;
	credits_per_cpu -= 4;
	}
	}

	/* Distributing cpu per bucket credits to devices */
	for (i = 0; i < num_core; i++) {
	for (j = 0; j < FMN_CORE_NBUCKETS; j++)
	dev_info->credit_config[(i * 8) + j] = cpu_credits;
	}
	}

	/*
	* Each core has 256 slots and 8 buckets,
	* Configure the 8 buckets each with 32 slots
	*/
	static void setup_cpu_fmninfo(struct xlr_fmn_info *cpu, int num_core)
	{
	int i, j;

	for (i = 0; i < num_core; i++) {
	cpu[i].start_stn_id = (8 * i);
	cpu[i].end_stn_id = (8 * i + 8);

	for (j = cpu[i].start_stn_id; j < cpu[i].end_stn_id; j++)
	xlr_board_fmn_config.bucket_size[j] = 32;
	}
	}

	/**
	* Setup the FMN details for each devices according to the device available
	* in each variant of XLR/XLS processor
	*/
	void xlr_board_info_setup(void)
	{
	struct xlr_fmn_info *cpu = xlr_board_fmn_config.cpu;
	struct xlr_fmn_info *gmac = xlr_board_fmn_config.gmac;
	struct xlr_fmn_info *xgmac = xlr_board_fmn_config.xgmac;
	struct xlr_fmn_info *dma = &xlr_board_fmn_config.dma;
	struct xlr_fmn_info *cmp = &xlr_board_fmn_config.cmp;
	struct xlr_fmn_info *sae = &xlr_board_fmn_config.sae;
	int processor_id, num_core;

	num_core = hweight32(nlm_current_node()->coremask);
	processor_id = read_c0_prid() & PRID_IMP_MASK;

	setup_cpu_fmninfo(cpu, num_core);
	switch (processor_id) {
	case PRID_IMP_NETLOGIC_XLS104:
	case PRID_IMP_NETLOGIC_XLS108:
	setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
	FMN_STNID_GMAC0_TX3, 8, 16, 32);
	setup_fmn_cc(dma, FMN_STNID_DMA_0,
	FMN_STNID_DMA_3, 4, 8, 64);
	setup_fmn_cc(sae, FMN_STNID_SEC0,
	FMN_STNID_SEC1, 2, 8, 128);
	break;

	case PRID_IMP_NETLOGIC_XLS204:
	case PRID_IMP_NETLOGIC_XLS208:
	setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
	FMN_STNID_GMAC0_TX3, 8, 16, 32);
	setup_fmn_cc(dma, FMN_STNID_DMA_0,
	FMN_STNID_DMA_3, 4, 8, 64);
	setup_fmn_cc(sae, FMN_STNID_SEC0,
	FMN_STNID_SEC1, 2, 8, 128);
	break;

	case PRID_IMP_NETLOGIC_XLS404:
	case PRID_IMP_NETLOGIC_XLS408:
	case PRID_IMP_NETLOGIC_XLS404B:
	case PRID_IMP_NETLOGIC_XLS408B:
	case PRID_IMP_NETLOGIC_XLS416B:
	case PRID_IMP_NETLOGIC_XLS608B:
	case PRID_IMP_NETLOGIC_XLS616B:
	setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
	FMN_STNID_GMAC0_TX3, 8, 8, 32);
	setup_fmn_cc(&gmac[1], FMN_STNID_GMAC1_FR_0,
	FMN_STNID_GMAC1_TX3, 8, 8, 32);
	setup_fmn_cc(dma, FMN_STNID_DMA_0,
	FMN_STNID_DMA_3, 4, 4, 64);
	setup_fmn_cc(cmp, FMN_STNID_CMP_0,
	FMN_STNID_CMP_3, 4, 4, 64);
	setup_fmn_cc(sae, FMN_STNID_SEC0,
	FMN_STNID_SEC1, 2, 8, 128);
	break;

	case PRID_IMP_NETLOGIC_XLS412B:
	setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
	FMN_STNID_GMAC0_TX3, 8, 8, 32);
	setup_fmn_cc(&gmac[1], FMN_STNID_GMAC1_FR_0,
	FMN_STNID_GMAC1_TX3, 8, 8, 32);
	setup_fmn_cc(dma, FMN_STNID_DMA_0,
	FMN_STNID_DMA_3, 4, 4, 64);
	setup_fmn_cc(cmp, FMN_STNID_CMP_0,
	FMN_STNID_CMP_3, 4, 4, 64);
	setup_fmn_cc(sae, FMN_STNID_SEC0,
	FMN_STNID_SEC1, 2, 8, 128);
	break;

	case PRID_IMP_NETLOGIC_XLR308:
	case PRID_IMP_NETLOGIC_XLR308C:
	setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
	FMN_STNID_GMAC0_TX3, 8, 16, 32);
	setup_fmn_cc(dma, FMN_STNID_DMA_0,
	FMN_STNID_DMA_3, 4, 8, 64);
	setup_fmn_cc(sae, FMN_STNID_SEC0,
	FMN_STNID_SEC1, 2, 4, 128);
	break;

	case PRID_IMP_NETLOGIC_XLR532:
	case PRID_IMP_NETLOGIC_XLR532C:
	case PRID_IMP_NETLOGIC_XLR516C:
	case PRID_IMP_NETLOGIC_XLR508C:
	setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
	FMN_STNID_GMAC0_TX3, 8, 16, 32);
	setup_fmn_cc(dma, FMN_STNID_DMA_0,
	FMN_STNID_DMA_3, 4, 8, 64);
	setup_fmn_cc(sae, FMN_STNID_SEC0,
	FMN_STNID_SEC1, 2, 4, 128);
	break;

	case PRID_IMP_NETLOGIC_XLR732:
	case PRID_IMP_NETLOGIC_XLR716:
	setup_fmn_cc(&xgmac[0], FMN_STNID_XMAC0_00_TX,
	FMN_STNID_XMAC0_15_TX, 8, 0, 32);
	setup_fmn_cc(&xgmac[1], FMN_STNID_XMAC1_00_TX,
	FMN_STNID_XMAC1_15_TX, 8, 0, 32);
	setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
	FMN_STNID_GMAC0_TX3, 8, 24, 32);
	setup_fmn_cc(dma, FMN_STNID_DMA_0,
	FMN_STNID_DMA_3, 4, 4, 64);
	setup_fmn_cc(sae, FMN_STNID_SEC0,
	FMN_STNID_SEC1, 2, 4, 128);
	break;
	default:
	pr_err("Unknown CPU with processor ID [%d]\n", processor_id);
	pr_err("Error: Cannot initialize FMN credits.\n");
	}

	check_credit_distribution();

	#if 0 /* debug */
	print_credit_config(&cpu[0]);
	print_credit_config(&gmac[0]);
	#endif
	}