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authorThomas Bogendoerfer <tsbogend@alpha.franken.de>2021-10-20 14:49:13 +0200
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2021-10-24 17:24:47 +0200
commit95b8a5e0111a47e5ef780c04cb6293be33d6ee0d (patch)
tree0c54fd731b6ba11ed813b9225b4484042e281c71 /arch/mips/netlogic/xlr/fmn-config.c
parent626bfa03729959ea9917181fb3d8ffaa1594d02a (diff)
MIPS: Remove NETLOGIC support
No (active) developer owns this hardware, so let's remove Linux support. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/netlogic/xlr/fmn-config.c')
-rw-r--r--arch/mips/netlogic/xlr/fmn-config.c296
1 files changed, 0 insertions, 296 deletions
diff --git a/arch/mips/netlogic/xlr/fmn-config.c b/arch/mips/netlogic/xlr/fmn-config.c
deleted file mode 100644
index 15483537e8cf..000000000000
--- a/arch/mips/netlogic/xlr/fmn-config.c
+++ /dev/null
@@ -1,296 +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");
-}
-
-/**
- * setup_fmn_cc - Configure bucket size and credits for a device.
- * @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
- *
- * '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
- */
-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;
- }
-}
-
-/**
- * xlr_board_info_setup - Setup FMN details
- *
- * 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
-}