2 * Copyright (c) 2003-2012 Broadcom Corporation
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * 1. Redistributions of source code must retain the above copyright
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the Broadcom
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in
20 * the documentation and/or other materials provided with the
23 * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
32 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
33 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 #include <linux/device.h>
37 #include <linux/platform_device.h>
38 #include <linux/kernel.h>
39 #include <linux/init.h>
41 #include <linux/delay.h>
42 #include <linux/ioport.h>
43 #include <linux/resource.h>
44 #include <linux/phy.h>
46 #include <asm/netlogic/haldefs.h>
47 #include <asm/netlogic/common.h>
48 #include <asm/netlogic/xlr/fmn.h>
49 #include <asm/netlogic/xlr/xlr.h>
50 #include <asm/netlogic/psb-bootinfo.h>
51 #include <asm/netlogic/xlr/pic.h>
52 #include <asm/netlogic/xlr/iomap.h>
54 #include "platform_net.h"
57 #define MAX_NUM_GMAC 8
58 #define MAX_NUM_XLS_GMAC 8
59 #define MAX_NUM_XLR_GMAC 4
62 static u32 xlr_gmac_offsets
[] = {
63 NETLOGIC_IO_GMAC_0_OFFSET
, NETLOGIC_IO_GMAC_1_OFFSET
,
64 NETLOGIC_IO_GMAC_2_OFFSET
, NETLOGIC_IO_GMAC_3_OFFSET
,
65 NETLOGIC_IO_GMAC_4_OFFSET
, NETLOGIC_IO_GMAC_5_OFFSET
,
66 NETLOGIC_IO_GMAC_6_OFFSET
, NETLOGIC_IO_GMAC_7_OFFSET
69 static u32 xlr_gmac_irqs
[] = { PIC_GMAC_0_IRQ
, PIC_GMAC_1_IRQ
,
70 PIC_GMAC_2_IRQ
, PIC_GMAC_3_IRQ
,
71 PIC_GMAC_4_IRQ
, PIC_GMAC_5_IRQ
,
72 PIC_GMAC_6_IRQ
, PIC_GMAC_7_IRQ
75 static struct xlr_net_data ndata
[MAX_NUM_GMAC
];
76 static struct resource xlr_net_res
[8][2];
77 static struct platform_device xlr_net_dev
[8];
78 static u32 __iomem
*gmac0_addr
;
79 static u32 __iomem
*gmac4_addr
;
80 static u32 __iomem
*gpio_addr
;
82 static void config_mac(struct xlr_net_data
*nd
, int phy
, u32 __iomem
*serdes
,
83 u32 __iomem
*pcs
, int rfr
, int tx
, int *bkt_size
,
84 struct xlr_fmn_info
*gmac_fmn_info
, int phy_addr
)
86 nd
->cpu_mask
= nlm_current_node()->coremask
;
87 nd
->phy_interface
= phy
;
88 nd
->rfr_station
= rfr
;
90 nd
->mii_addr
= gmac0_addr
;
91 nd
->serdes_addr
= serdes
;
93 nd
->gpio_addr
= gpio_addr
;
95 nd
->bucket_size
= bkt_size
;
96 nd
->gmac_fmn_info
= gmac_fmn_info
;
97 nd
->phy_addr
= phy_addr
;
100 static void net_device_init(int id
, struct resource
*res
, int offset
, int irq
)
102 res
[0].name
= "gmac";
103 res
[0].start
= CPHYSADDR(nlm_mmio_base(offset
));
104 res
[0].end
= res
[0].start
+ 0xfff;
105 res
[0].flags
= IORESOURCE_MEM
;
107 res
[1].name
= "gmac";
110 res
[1].flags
= IORESOURCE_IRQ
;
112 xlr_net_dev
[id
].name
= "xlr-net";
113 xlr_net_dev
[id
].id
= id
;
114 xlr_net_dev
[id
].num_resources
= 2;
115 xlr_net_dev
[id
].resource
= res
;
116 xlr_net_dev
[id
].dev
.platform_data
= &ndata
[id
];
119 static void xls_gmac_init(void)
123 gmac4_addr
= ioremap(CPHYSADDR(
124 nlm_mmio_base(NETLOGIC_IO_GMAC_4_OFFSET
)), 0xfff);
125 /* Passing GPIO base for serdes init. Only needed on sgmii ports*/
126 gpio_addr
= ioremap(CPHYSADDR(
127 nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET
)), 0xfff);
129 switch (nlm_prom_info
.board_major_version
) {
131 /* first block RGMII or XAUI, use RGMII */
132 config_mac(&ndata
[0],
133 PHY_INTERFACE_MODE_RGMII
,
134 gmac0_addr
, /* serdes */
135 gmac0_addr
, /* pcs */
138 xlr_board_fmn_config
.bucket_size
,
139 &xlr_board_fmn_config
.gmac
[0],
142 net_device_init(0, xlr_net_res
[0], xlr_gmac_offsets
[0],
144 platform_device_register(&xlr_net_dev
[0]);
146 /* second block is XAUI, not supported yet */
149 /* default XLS config, all ports SGMII */
150 for (mac
= 0; mac
< 4; mac
++) {
151 config_mac(&ndata
[mac
],
152 PHY_INTERFACE_MODE_SGMII
,
153 gmac0_addr
, /* serdes */
154 gmac0_addr
, /* pcs */
156 FMN_STNID_GMAC0_TX0
+ mac
,
157 xlr_board_fmn_config
.bucket_size
,
158 &xlr_board_fmn_config
.gmac
[0],
159 /* PHY address according to chip/board */
162 net_device_init(mac
, xlr_net_res
[mac
],
163 xlr_gmac_offsets
[mac
],
165 platform_device_register(&xlr_net_dev
[mac
]);
168 for (mac
= 4; mac
< MAX_NUM_XLS_GMAC
; mac
++) {
169 config_mac(&ndata
[mac
],
170 PHY_INTERFACE_MODE_SGMII
,
171 gmac4_addr
, /* serdes */
172 gmac4_addr
, /* pcs */
173 FMN_STNID_GMAC1_FR_0
,
174 FMN_STNID_GMAC1_TX0
+ mac
- 4,
175 xlr_board_fmn_config
.bucket_size
,
176 &xlr_board_fmn_config
.gmac
[1],
177 /* PHY address according to chip/board */
180 net_device_init(mac
, xlr_net_res
[mac
],
181 xlr_gmac_offsets
[mac
],
183 platform_device_register(&xlr_net_dev
[mac
]);
188 static void xlr_gmac_init(void)
192 /* assume all GMACs for now */
193 for (mac
= 0; mac
< MAX_NUM_XLR_GMAC
; mac
++) {
194 config_mac(&ndata
[mac
],
195 PHY_INTERFACE_MODE_RGMII
,
200 xlr_board_fmn_config
.bucket_size
,
201 &xlr_board_fmn_config
.gmac
[0],
204 net_device_init(mac
, xlr_net_res
[mac
], xlr_gmac_offsets
[mac
],
206 platform_device_register(&xlr_net_dev
[mac
]);
210 static int __init
xlr_net_init(void)
212 gmac0_addr
= ioremap(CPHYSADDR(
213 nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET
)), 0xfff);
215 if (nlm_chip_is_xls())
223 arch_initcall(xlr_net_init
);