From: Ganesan Ramalingam <ganesanr@xxxxxxxxxxxx>
Add platform code to create network interface (xlr-net) for XLR/XLS
boards.
Signed-off-by: Ganesan Ramalingam <ganesanr@xxxxxxxxxxxx>
---
This patch has to be merged through MIPS tree.
This patch depends on patch [PATCH v2 1/2] NET: ethernet/netlogic: Netlogic XLR/XLS GMAC driver.
arch/mips/include/asm/netlogic/xlr/platform_net.h | 46 +++++
arch/mips/netlogic/xlr/Makefile | 3 +-
arch/mips/netlogic/xlr/fmn.c | 2 +
arch/mips/netlogic/xlr/platform_net.c | 222 +++++++++++++++++++++
4 files changed, 272 insertions(+), 1 deletions(-)
create mode 100644 arch/mips/include/asm/netlogic/xlr/platform_net.h
create mode 100644 arch/mips/netlogic/xlr/platform_net.c
diff --git a/arch/mips/include/asm/netlogic/xlr/platform_net.h b/arch/mips/include/asm/netlogic/xlr/platform_net.h
new file mode 100644
index 0000000..29deeea
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/xlr/platform_net.h
@@ -0,0 +1,46 @@
+/*
+ * 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.
+ */
+struct xlr_net_data {
+ int cpu_mask;
+ u32 __iomem *mii_addr;
+ u32 __iomem *serdes_addr;
+ u32 __iomem *pcs_addr;
+ u32 __iomem *gpio_addr;
+ int phy_interface;
+ int rfr_station;
+ int tx_stnid;
+ int *bucket_size;
+ int phy_addr;
+ struct xlr_fmn_info *gmac_fmn_info;
+};
diff --git a/arch/mips/netlogic/xlr/Makefile b/arch/mips/netlogic/xlr/Makefile
index 05902bc..ff7ed2e 100644
--- a/arch/mips/netlogic/xlr/Makefile
+++ b/arch/mips/netlogic/xlr/Makefile
@@ -1,2 +1,3 @@
-obj-y += fmn.o fmn-config.o setup.o platform.o platform-flash.o
+obj-y += fmn.o fmn-config.o setup.o platform.o \
+ platform-flash.o platform_net.o
obj-$(CONFIG_SMP) += wakeup.o
diff --git a/arch/mips/netlogic/xlr/fmn.c b/arch/mips/netlogic/xlr/fmn.c
index 4d74f03..d93e11a 100644
--- a/arch/mips/netlogic/xlr/fmn.c
+++ b/arch/mips/netlogic/xlr/fmn.c
@@ -33,6 +33,7 @@
*/
#include <linux/kernel.h>
+#include <linux/export.h>
#include <linux/irqreturn.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
@@ -190,6 +191,7 @@ int nlm_register_fmn_handler(int start_stnid, int end_stnid,
start_stnid, end_stnid);
return 0;
}
+EXPORT_SYMBOL(nlm_register_fmn_handler);
void nlm_setup_fmn_irq(void)
{
diff --git a/arch/mips/netlogic/xlr/platform_net.c b/arch/mips/netlogic/xlr/platform_net.c
new file mode 100644
index 0000000..f6626a3
--- /dev/null
+++ b/arch/mips/netlogic/xlr/platform_net.c
@@ -0,0 +1,222 @@
+/*
+ * 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
+ * 1. Redistributions of source code must retain the above copyright
+ * 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/device.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/ioport.h>
+#include <linux/resource.h>
+#include <linux/phy.h>
+
+#include <asm/netlogic/haldefs.h>
+#include <asm/netlogic/common.h>
+#include <asm/netlogic/xlr/fmn.h>
+#include <asm/netlogic/xlr/xlr.h>
+#include <asm/netlogic/psb-bootinfo.h>
+#include <asm/netlogic/xlr/pic.h>
+#include <asm/netlogic/xlr/iomap.h>
+#include <asm/netlogic/xlr/platform_net.h>
+
+/* Linux Net */
+#define MAX_NUM_GMAC 8
+#define MAX_NUM_XLS_GMAC 8
+#define MAX_NUM_XLR_GMAC 4
+
+
+static u32 xlr_gmac_offsets[] = {
+ NETLOGIC_IO_GMAC_0_OFFSET, NETLOGIC_IO_GMAC_1_OFFSET,
+ NETLOGIC_IO_GMAC_2_OFFSET, NETLOGIC_IO_GMAC_3_OFFSET,
+ NETLOGIC_IO_GMAC_4_OFFSET, NETLOGIC_IO_GMAC_5_OFFSET,
+ NETLOGIC_IO_GMAC_6_OFFSET, NETLOGIC_IO_GMAC_7_OFFSET
+};
+
+static u32 xlr_gmac_irqs[] = { PIC_GMAC_0_IRQ, PIC_GMAC_1_IRQ,
+ PIC_GMAC_2_IRQ, PIC_GMAC_3_IRQ,
+ PIC_GMAC_4_IRQ, PIC_GMAC_5_IRQ,
+ PIC_GMAC_6_IRQ, PIC_GMAC_7_IRQ
+};
+
+static struct xlr_net_data ndata[MAX_NUM_GMAC];
+static struct resource xlr_net_res[8][2];
+static struct platform_device xlr_net_dev[8];
+static u32 __iomem *gmac0_addr;
+static u32 __iomem *gmac4_addr;
+static u32 __iomem *gpio_addr;
+
+static void config_mac(struct xlr_net_data *nd, int phy, u32 __iomem *serdes,
+ u32 __iomem *pcs, int rfr, int tx, int *bkt_size,
+ struct xlr_fmn_info *gmac_fmn_info, int phy_addr)
+{
+ nd->cpu_mask = nlm_current_node()->coremask;
+ nd->phy_interface = phy;
+ nd->rfr_station = rfr;
+ nd->tx_stnid = tx;
+ nd->mii_addr = gmac0_addr;
+ nd->serdes_addr = serdes;
+ nd->pcs_addr = pcs;
+ nd->gpio_addr = gpio_addr;
+
+ nd->bucket_size = bkt_size;
+ nd->gmac_fmn_info = gmac_fmn_info;
+ nd->phy_addr = phy_addr;
+}
+
+static void net_device_init(int id, struct resource *res, int offset, int irq)
+{
+ res[0].name = "gmac";
+ res[0].start = CPHYSADDR(nlm_mmio_base(offset));
+ res[0].end = res[0].start + 0xfff;
+ res[0].flags = IORESOURCE_MEM;
+
+ res[1].name = "gmac";
+ res[1].start = irq;
+ res[1].end = irq;
+ res[1].flags = IORESOURCE_IRQ;
+
+ xlr_net_dev[id].name = "xlr-net";
+ xlr_net_dev[id].id = id;
+ xlr_net_dev[id].num_resources = 2;
+ xlr_net_dev[id].resource = res;
+ xlr_net_dev[id].dev.platform_data = &ndata[id];
+}
+
+static void xls_gmac_init(void)
+{
+ int mac;
+
+ gmac4_addr = ioremap(CPHYSADDR(
+ nlm_mmio_base(NETLOGIC_IO_GMAC_4_OFFSET)), 0xfff);
+ /* Passing GPIO base for serdes init. Only needed on sgmii ports*/
+ gpio_addr = ioremap(CPHYSADDR(
+ nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET)), 0xfff);
+
+ switch (nlm_prom_info.board_major_version) {
+ case 12:
+ /* first block RGMII or XAUI, use RGMII */
+ config_mac(&ndata[0],
+ PHY_INTERFACE_MODE_RGMII,
+ gmac0_addr, /* serdes */
+ gmac0_addr, /* pcs */
+ FMN_STNID_GMACRFR_0,
+ FMN_STNID_GMAC0_TX0,
+ xlr_board_fmn_config.bucket_size,
+ &xlr_board_fmn_config.gmac[0],
+ 0);
+
+ net_device_init(0, xlr_net_res[0], xlr_gmac_offsets[0],
+ xlr_gmac_irqs[0]);
+ platform_device_register(&xlr_net_dev[0]);
+
+ /* second block is XAUI, not supported yet */
+ break;
+ default:
+ /* default XLS config, all ports SGMII */
+ for (mac = 0; mac < 4; mac++) {
+ config_mac(&ndata[mac],
+ PHY_INTERFACE_MODE_SGMII,
+ gmac0_addr, /* serdes */
+ gmac0_addr, /* pcs */
+ FMN_STNID_GMACRFR_0,
+ FMN_STNID_GMAC0_TX0 + mac,
+ xlr_board_fmn_config.bucket_size,
+ &xlr_board_fmn_config.gmac[0],
+ /* PHY address according to chip/board */
+ mac + 0x10);
+
+ net_device_init(mac, xlr_net_res[mac],
+ xlr_gmac_offsets[mac],
+ xlr_gmac_irqs[mac]);
+ platform_device_register(&xlr_net_dev[mac]);
+ }
+
+ for (mac = 4; mac < MAX_NUM_XLS_GMAC; mac++) {
+ config_mac(&ndata[mac],
+ PHY_INTERFACE_MODE_SGMII,
+ gmac4_addr, /* serdes */
+ gmac4_addr, /* pcs */
+ FMN_STNID_GMAC1_FR_0,
+ FMN_STNID_GMAC1_TX0 + mac - 4,
+ xlr_board_fmn_config.bucket_size,
+ &xlr_board_fmn_config.gmac[1],
+ /* PHY address according to chip/board */
+ mac + 0x10);
+
+ net_device_init(mac, xlr_net_res[mac],
+ xlr_gmac_offsets[mac],
+ xlr_gmac_irqs[mac]);
+ platform_device_register(&xlr_net_dev[mac]);
+ }
+ }
+}
+
+static void xlr_gmac_init(void)
+{
+ int mac;
+
+ /* assume all GMACs for now */
+ for (mac = 0; mac < MAX_NUM_XLR_GMAC; mac++) {
+ config_mac(&ndata[mac],
+ PHY_INTERFACE_MODE_RGMII,
+ 0,
+ 0,
+ FMN_STNID_GMACRFR_0,
+ FMN_STNID_GMAC0_TX0,
+ xlr_board_fmn_config.bucket_size,
+ &xlr_board_fmn_config.gmac[0],
+ mac);
+
+ net_device_init(mac, xlr_net_res[mac], xlr_gmac_offsets[mac],
+ xlr_gmac_irqs[mac]);
+ platform_device_register(&xlr_net_dev[mac]);
+ }
+}
+
+static int __init xlr_net_init(void)
+{
+ gmac0_addr = ioremap(CPHYSADDR(
+ nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);
+
+ if (nlm_chip_is_xls())
+ xls_gmac_init();
+ else
+ xlr_gmac_init();
+
+ return 0;
+}
+
+arch_initcall(xlr_net_init);
--
1.7.6
