diff options
Diffstat (limited to 'arch/mips/netlogic/xlr/fmn-config.c')
| -rw-r--r-- | arch/mips/netlogic/xlr/fmn-config.c | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/arch/mips/netlogic/xlr/fmn-config.c b/arch/mips/netlogic/xlr/fmn-config.c deleted file mode 100644 index c7622c6e5f67..000000000000 --- a/arch/mips/netlogic/xlr/fmn-config.c +++ /dev/null @@ -1,293 +0,0 @@ -/* - * 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 -} |