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-rw-r--r--arch/mips/netlogic/xlr/Makefile4
-rw-r--r--arch/mips/netlogic/xlr/fmn-config.c290
-rw-r--r--arch/mips/netlogic/xlr/fmn.c204
-rw-r--r--arch/mips/netlogic/xlr/platform.c17
-rw-r--r--arch/mips/netlogic/xlr/setup.c37
-rw-r--r--arch/mips/netlogic/xlr/wakeup.c23
6 files changed, 558 insertions, 17 deletions
diff --git a/arch/mips/netlogic/xlr/Makefile b/arch/mips/netlogic/xlr/Makefile
index c287dea87570..05902bc6f080 100644
--- a/arch/mips/netlogic/xlr/Makefile
+++ b/arch/mips/netlogic/xlr/Makefile
@@ -1,2 +1,2 @@
-obj-y += setup.o platform.o platform-flash.o
-obj-$(CONFIG_SMP) += wakeup.o
+obj-y += fmn.o fmn-config.o setup.o platform.o platform-flash.o
+obj-$(CONFIG_SMP) += wakeup.o
diff --git a/arch/mips/netlogic/xlr/fmn-config.c b/arch/mips/netlogic/xlr/fmn-config.c
new file mode 100644
index 000000000000..bed2cffa1008
--- /dev/null
+++ b/arch/mips/netlogic/xlr/fmn-config.c
@@ -0,0 +1,290 @@
+/*
+ * 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/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() & 0xff00;
+
+ 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:
+ 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
+}
diff --git a/arch/mips/netlogic/xlr/fmn.c b/arch/mips/netlogic/xlr/fmn.c
new file mode 100644
index 000000000000..4d74f03de506
--- /dev/null
+++ b/arch/mips/netlogic/xlr/fmn.c
@@ -0,0 +1,204 @@
+/*
+ * 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 <linux/kernel.h>
+#include <linux/irqreturn.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+
+#include <asm/mipsregs.h>
+#include <asm/netlogic/interrupt.h>
+#include <asm/netlogic/xlr/fmn.h>
+#include <asm/netlogic/common.h>
+
+#define COP2_CC_INIT_CPU_DEST(dest, conf) \
+do { \
+ nlm_write_c2_cc##dest(0, conf[(dest * 8) + 0]); \
+ nlm_write_c2_cc##dest(1, conf[(dest * 8) + 1]); \
+ nlm_write_c2_cc##dest(2, conf[(dest * 8) + 2]); \
+ nlm_write_c2_cc##dest(3, conf[(dest * 8) + 3]); \
+ nlm_write_c2_cc##dest(4, conf[(dest * 8) + 4]); \
+ nlm_write_c2_cc##dest(5, conf[(dest * 8) + 5]); \
+ nlm_write_c2_cc##dest(6, conf[(dest * 8) + 6]); \
+ nlm_write_c2_cc##dest(7, conf[(dest * 8) + 7]); \
+} while (0)
+
+struct fmn_message_handler {
+ void (*action)(int, int, int, int, struct nlm_fmn_msg *, void *);
+ void *arg;
+} msg_handlers[128];
+
+/*
+ * FMN interrupt handler. We configure the FMN so that any messages in
+ * any of the CPU buckets will trigger an interrupt on the CPU.
+ * The message can be from any device on the FMN (like NAE/SAE/DMA).
+ * The source station id is used to figure out which of the registered
+ * handlers have to be called.
+ */
+static irqreturn_t fmn_message_handler(int irq, void *data)
+{
+ struct fmn_message_handler *hndlr;
+ int bucket, rv;
+ int size = 0, code = 0, src_stnid = 0;
+ struct nlm_fmn_msg msg;
+ uint32_t mflags, bkt_status;
+
+ mflags = nlm_cop2_enable();
+ /* Disable message ring interrupt */
+ nlm_fmn_setup_intr(irq, 0);
+ while (1) {
+ /* 8 bkts per core, [24:31] each bit represents one bucket
+ * Bit is Zero if bucket is not empty */
+ bkt_status = (nlm_read_c2_status() >> 24) & 0xff;
+ if (bkt_status == 0xff)
+ break;
+ for (bucket = 0; bucket < 8; bucket++) {
+ /* Continue on empty bucket */
+ if (bkt_status & (1 << bucket))
+ continue;
+ rv = nlm_fmn_receive(bucket, &size, &code, &src_stnid,
+ &msg);
+ if (rv != 0)
+ continue;
+
+ hndlr = &msg_handlers[src_stnid];
+ if (hndlr->action == NULL)
+ pr_warn("No msgring handler for stnid %d\n",
+ src_stnid);
+ else {
+ nlm_cop2_restore(mflags);
+ hndlr->action(bucket, src_stnid, size, code,
+ &msg, hndlr->arg);
+ mflags = nlm_cop2_enable();
+ }
+ }
+ };
+ /* Enable message ring intr, to any thread in core */
+ nlm_fmn_setup_intr(irq, (1 << nlm_threads_per_core) - 1);
+ nlm_cop2_restore(mflags);
+ return IRQ_HANDLED;
+}
+
+struct irqaction fmn_irqaction = {
+ .handler = fmn_message_handler,
+ .flags = IRQF_PERCPU,
+ .name = "fmn",
+};
+
+void xlr_percpu_fmn_init(void)
+{
+ struct xlr_fmn_info *cpu_fmn_info;
+ int *bucket_sizes;
+ uint32_t flags;
+ int id;
+
+ BUG_ON(nlm_thread_id() != 0);
+ id = nlm_core_id();
+
+ bucket_sizes = xlr_board_fmn_config.bucket_size;
+ cpu_fmn_info = &xlr_board_fmn_config.cpu[id];
+ flags = nlm_cop2_enable();
+
+ /* Setup bucket sizes for the core. */
+ nlm_write_c2_bucksize(0, bucket_sizes[id * 8 + 0]);
+ nlm_write_c2_bucksize(1, bucket_sizes[id * 8 + 1]);
+ nlm_write_c2_bucksize(2, bucket_sizes[id * 8 + 2]);
+ nlm_write_c2_bucksize(3, bucket_sizes[id * 8 + 3]);
+ nlm_write_c2_bucksize(4, bucket_sizes[id * 8 + 4]);
+ nlm_write_c2_bucksize(5, bucket_sizes[id * 8 + 5]);
+ nlm_write_c2_bucksize(6, bucket_sizes[id * 8 + 6]);
+ nlm_write_c2_bucksize(7, bucket_sizes[id * 8 + 7]);
+
+ /*
+ * For sending FMN messages, we need credits on the destination
+ * bucket. Program the credits this core has on the 128 possible
+ * destination buckets.
+ * We cannot use a loop here, because the the first argument has
+ * to be a constant integer value.
+ */
+ COP2_CC_INIT_CPU_DEST(0, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(1, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(2, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(3, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(4, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(5, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(6, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(7, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(8, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(9, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(10, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(11, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(12, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(13, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(14, cpu_fmn_info->credit_config);
+ COP2_CC_INIT_CPU_DEST(15, cpu_fmn_info->credit_config);
+
+ /* enable FMN interrupts on this CPU */
+ nlm_fmn_setup_intr(IRQ_FMN, (1 << nlm_threads_per_core) - 1);
+ nlm_cop2_restore(flags);
+}
+
+
+/*
+ * Register a FMN message handler with respect to the source station id
+ * @stnid: source station id
+ * @action: Handler function pointer
+ */
+int nlm_register_fmn_handler(int start_stnid, int end_stnid,
+ void (*action)(int, int, int, int, struct nlm_fmn_msg *, void *),
+ void *arg)
+{
+ int sstnid;
+
+ for (sstnid = start_stnid; sstnid <= end_stnid; sstnid++) {
+ msg_handlers[sstnid].arg = arg;
+ smp_wmb();
+ msg_handlers[sstnid].action = action;
+ }
+ pr_debug("Registered FMN msg handler for stnid %d-%d\n",
+ start_stnid, end_stnid);
+ return 0;
+}
+
+void nlm_setup_fmn_irq(void)
+{
+ uint32_t flags;
+
+ /* setup irq only once */
+ setup_irq(IRQ_FMN, &fmn_irqaction);
+
+ flags = nlm_cop2_enable();
+ nlm_fmn_setup_intr(IRQ_FMN, (1 << nlm_threads_per_core) - 1);
+ nlm_cop2_restore(flags);
+}
diff --git a/arch/mips/netlogic/xlr/platform.c b/arch/mips/netlogic/xlr/platform.c
index 71b44d82621d..507230eeb768 100644
--- a/arch/mips/netlogic/xlr/platform.c
+++ b/arch/mips/netlogic/xlr/platform.c
@@ -15,6 +15,8 @@
#include <linux/serial_8250.h>
#include <linux/serial_reg.h>
#include <linux/i2c.h>
+#include <linux/usb/ehci_pdriver.h>
+#include <linux/usb/ohci_pdriver.h>
#include <asm/netlogic/haldefs.h>
#include <asm/netlogic/xlr/iomap.h>
@@ -123,12 +125,18 @@ static u64 xls_usb_dmamask = ~(u32)0;
}, \
}
+static struct usb_ehci_pdata xls_usb_ehci_pdata = {
+ .caps_offset = 0,
+};
+
+static struct usb_ohci_pdata xls_usb_ohci_pdata;
+
static struct platform_device xls_usb_ehci_device =
- USB_PLATFORM_DEV("ehci-xls", 0, PIC_USB_IRQ);
+ USB_PLATFORM_DEV("ehci-platform", 0, PIC_USB_IRQ);
static struct platform_device xls_usb_ohci_device_0 =
- USB_PLATFORM_DEV("ohci-xls-0", 1, PIC_USB_IRQ);
+ USB_PLATFORM_DEV("ohci-platform", 1, PIC_USB_IRQ);
static struct platform_device xls_usb_ohci_device_1 =
- USB_PLATFORM_DEV("ohci-xls-1", 2, PIC_USB_IRQ);
+ USB_PLATFORM_DEV("ohci-platform", 2, PIC_USB_IRQ);
static struct platform_device *xls_platform_devices[] = {
&xls_usb_ehci_device,
@@ -172,14 +180,17 @@ int xls_platform_usb_init(void)
memres = CPHYSADDR((unsigned long)usb_mmio);
xls_usb_ehci_device.resource[0].start = memres;
xls_usb_ehci_device.resource[0].end = memres + 0x400 - 1;
+ xls_usb_ehci_device.dev.platform_data = &xls_usb_ehci_pdata;
memres += 0x400;
xls_usb_ohci_device_0.resource[0].start = memres;
xls_usb_ohci_device_0.resource[0].end = memres + 0x400 - 1;
+ xls_usb_ohci_device_0.dev.platform_data = &xls_usb_ohci_pdata;
memres += 0x400;
xls_usb_ohci_device_1.resource[0].start = memres;
xls_usb_ohci_device_1.resource[0].end = memres + 0x400 - 1;
+ xls_usb_ohci_device_1.dev.platform_data = &xls_usb_ohci_pdata;
return platform_add_devices(xls_platform_devices,
ARRAY_SIZE(xls_platform_devices));
diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c
index 81b1d311834f..4e7f49d3d5a8 100644
--- a/arch/mips/netlogic/xlr/setup.c
+++ b/arch/mips/netlogic/xlr/setup.c
@@ -49,16 +49,15 @@
#include <asm/netlogic/xlr/iomap.h>
#include <asm/netlogic/xlr/pic.h>
#include <asm/netlogic/xlr/gpio.h>
+#include <asm/netlogic/xlr/fmn.h>
uint64_t nlm_io_base = DEFAULT_NETLOGIC_IO_BASE;
-uint64_t nlm_pic_base;
struct psb_info nlm_prom_info;
-unsigned long nlm_common_ebase = 0x0;
-
/* default to uniprocessor */
-uint32_t nlm_coremask = 1, nlm_cpumask = 1;
-int nlm_threads_per_core = 1;
+unsigned int nlm_threads_per_core = 1;
+struct nlm_soc_info nlm_nodes[NLM_NR_NODES];
+cpumask_t nlm_cpumask = CPU_MASK_CPU0;
static void __init nlm_early_serial_setup(void)
{
@@ -113,6 +112,12 @@ void __init prom_free_prom_memory(void)
/* Nothing yet */
}
+void nlm_percpu_init(int hwcpuid)
+{
+ if (hwcpuid % 4 == 0)
+ xlr_percpu_fmn_init();
+}
+
static void __init build_arcs_cmdline(int *argv)
{
int i, remain, len;
@@ -176,9 +181,19 @@ static void prom_add_memory(void)
}
}
+static void nlm_init_node(void)
+{
+ struct nlm_soc_info *nodep;
+
+ nodep = nlm_current_node();
+ nodep->picbase = nlm_mmio_base(NETLOGIC_IO_PIC_OFFSET);
+ nodep->ebase = read_c0_ebase() & (~((1 << 12) - 1));
+ spin_lock_init(&nodep->piclock);
+}
+
void __init prom_init(void)
{
- int *argv, *envp; /* passed as 32 bit ptrs */
+ int i, *argv, *envp; /* passed as 32 bit ptrs */
struct psb_info *prom_infop;
/* truncate to 32 bit and sign extend all args */
@@ -187,15 +202,19 @@ void __init prom_init(void)
prom_infop = (struct psb_info *)(long)(int)fw_arg3;
nlm_prom_info = *prom_infop;
- nlm_pic_base = nlm_mmio_base(NETLOGIC_IO_PIC_OFFSET);
+ nlm_init_node();
nlm_early_serial_setup();
build_arcs_cmdline(argv);
- nlm_common_ebase = read_c0_ebase() & (~((1 << 12) - 1));
prom_add_memory();
#ifdef CONFIG_SMP
- nlm_wakeup_secondary_cpus(nlm_prom_info.online_cpu_map);
+ for (i = 0; i < 32; i++)
+ if (nlm_prom_info.online_cpu_map & (1 << i))
+ cpumask_set_cpu(i, &nlm_cpumask);
+ nlm_wakeup_secondary_cpus();
register_smp_ops(&nlm_smp_ops);
#endif
+ xlr_board_info_setup();
+ xlr_percpu_fmn_init();
}
diff --git a/arch/mips/netlogic/xlr/wakeup.c b/arch/mips/netlogic/xlr/wakeup.c
index db5d987d4881..3ebf7411d67b 100644
--- a/arch/mips/netlogic/xlr/wakeup.c
+++ b/arch/mips/netlogic/xlr/wakeup.c
@@ -33,6 +33,7 @@
*/
#include <linux/init.h>
+#include <linux/delay.h>
#include <linux/threads.h>
#include <asm/asm.h>
@@ -50,18 +51,34 @@
int __cpuinit xlr_wakeup_secondary_cpus(void)
{
- unsigned int i, boot_cpu;
+ struct nlm_soc_info *nodep;
+ unsigned int i, j, boot_cpu;
/*
* In case of RMI boot, hit with NMI to get the cores
* from bootloader to linux code.
*/
+ nodep = nlm_get_node(0);
boot_cpu = hard_smp_processor_id();
nlm_set_nmi_handler(nlm_rmiboot_preboot);
for (i = 0; i < NR_CPUS; i++) {
- if (i == boot_cpu || (nlm_cpumask & (1u << i)) == 0)
+ if (i == boot_cpu || !cpumask_test_cpu(i, &nlm_cpumask))
continue;
- nlm_pic_send_ipi(nlm_pic_base, i, 1, 1); /* send NMI */
+ nlm_pic_send_ipi(nodep->picbase, i, 1, 1); /* send NMI */
+ }
+
+ /* Fill up the coremask early */
+ nodep->coremask = 1;
+ for (i = 1; i < NLM_CORES_PER_NODE; i++) {
+ for (j = 1000000; j > 0; j--) {
+ if (nlm_cpu_ready[i * NLM_THREADS_PER_CORE])
+ break;
+ udelay(10);
+ }
+ if (j != 0)
+ nodep->coremask |= (1u << i);
+ else
+ pr_err("Failed to wakeup core %d\n", i);
}
return 0;