1/*
2 * arch/arm/mach-orion5x/wnr854t-setup.c
3 *
4 * This file is licensed under the terms of the GNU General Public
5 * License version 2.  This program is licensed "as is" without any
6 * warranty of any kind, whether express or implied.
7 */
8#include <linux/gpio.h>
9#include <linux/kernel.h>
10#include <linux/init.h>
11#include <linux/platform_device.h>
12#include <linux/pci.h>
13#include <linux/irq.h>
14#include <linux/delay.h>
15#include <linux/mtd/physmap.h>
16#include <linux/mv643xx_eth.h>
17#include <linux/ethtool.h>
18#include <net/dsa.h>
19#include <asm/mach-types.h>
20#include <asm/mach/arch.h>
21#include <asm/mach/pci.h>
22#include <mach/orion5x.h>
23#include "common.h"
24#include "mpp.h"
25
26static unsigned int wnr854t_mpp_modes[] __initdata = {
27	MPP0_GPIO,		/* Power LED green (0=on) */
28	MPP1_GPIO,		/* Reset Button (0=off) */
29	MPP2_GPIO,		/* Power LED blink (0=off) */
30	MPP3_GPIO,		/* WAN Status LED amber (0=off) */
31	MPP4_GPIO,		/* PCI int */
32	MPP5_GPIO,		/* ??? */
33	MPP6_GPIO,		/* ??? */
34	MPP7_GPIO,		/* ??? */
35	MPP8_UNUSED,		/* ??? */
36	MPP9_GIGE,		/* GE_RXERR */
37	MPP10_UNUSED,		/* ??? */
38	MPP11_UNUSED,		/* ??? */
39	MPP12_GIGE,		/* GE_TXD[4] */
40	MPP13_GIGE,		/* GE_TXD[5] */
41	MPP14_GIGE,		/* GE_TXD[6] */
42	MPP15_GIGE,		/* GE_TXD[7] */
43	MPP16_GIGE,		/* GE_RXD[4] */
44	MPP17_GIGE,		/* GE_RXD[5] */
45	MPP18_GIGE,		/* GE_RXD[6] */
46	MPP19_GIGE,		/* GE_RXD[7] */
47	0,
48};
49
50/*
51 * 8M NOR flash Device bus boot chip select
52 */
53#define WNR854T_NOR_BOOT_BASE	0xf4000000
54#define WNR854T_NOR_BOOT_SIZE	SZ_8M
55
56static struct mtd_partition wnr854t_nor_flash_partitions[] = {
57	{
58		.name		= "kernel",
59		.offset		= 0x00000000,
60		.size		= 0x00100000,
61	}, {
62		.name		= "rootfs",
63		.offset		= 0x00100000,
64		.size		= 0x00660000,
65	}, {
66		.name		= "uboot",
67		.offset		= 0x00760000,
68		.size		= 0x00040000,
69	},
70};
71
72static struct physmap_flash_data wnr854t_nor_flash_data = {
73	.width		= 2,
74	.parts		= wnr854t_nor_flash_partitions,
75	.nr_parts	= ARRAY_SIZE(wnr854t_nor_flash_partitions),
76};
77
78static struct resource wnr854t_nor_flash_resource = {
79	.flags		= IORESOURCE_MEM,
80	.start		= WNR854T_NOR_BOOT_BASE,
81	.end		= WNR854T_NOR_BOOT_BASE + WNR854T_NOR_BOOT_SIZE - 1,
82};
83
84static struct platform_device wnr854t_nor_flash = {
85	.name			= "physmap-flash",
86	.id			= 0,
87	.dev		= {
88		.platform_data	= &wnr854t_nor_flash_data,
89	},
90	.num_resources		= 1,
91	.resource		= &wnr854t_nor_flash_resource,
92};
93
94static struct mv643xx_eth_platform_data wnr854t_eth_data = {
95	.phy_addr	= MV643XX_ETH_PHY_NONE,
96	.speed		= SPEED_1000,
97	.duplex		= DUPLEX_FULL,
98};
99
100static struct dsa_chip_data wnr854t_switch_chip_data = {
101	.port_names[0] = "lan3",
102	.port_names[1] = "lan4",
103	.port_names[2] = "wan",
104	.port_names[3] = "cpu",
105	.port_names[5] = "lan1",
106	.port_names[7] = "lan2",
107};
108
109static struct dsa_platform_data wnr854t_switch_plat_data = {
110	.nr_chips	= 1,
111	.chip		= &wnr854t_switch_chip_data,
112};
113
114static void __init wnr854t_init(void)
115{
116	/*
117	 * Setup basic Orion functions. Need to be called early.
118	 */
119	orion5x_init();
120
121	orion5x_mpp_conf(wnr854t_mpp_modes);
122
123	/*
124	 * Configure peripherals.
125	 */
126	orion5x_eth_init(&wnr854t_eth_data);
127	orion5x_eth_switch_init(&wnr854t_switch_plat_data, NO_IRQ);
128	orion5x_uart0_init();
129
130	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
131				    ORION_MBUS_DEVBUS_BOOT_ATTR,
132				    WNR854T_NOR_BOOT_BASE,
133				    WNR854T_NOR_BOOT_SIZE);
134	platform_device_register(&wnr854t_nor_flash);
135}
136
137static int __init wnr854t_pci_map_irq(const struct pci_dev *dev, u8 slot,
138	u8 pin)
139{
140	int irq;
141
142	/*
143	 * Check for devices with hard-wired IRQs.
144	 */
145	irq = orion5x_pci_map_irq(dev, slot, pin);
146	if (irq != -1)
147		return irq;
148
149	/*
150	 * Mini-PCI slot.
151	 */
152	if (slot == 7)
153		return gpio_to_irq(4);
154
155	return -1;
156}
157
158static struct hw_pci wnr854t_pci __initdata = {
159	.nr_controllers	= 2,
160	.setup		= orion5x_pci_sys_setup,
161	.scan		= orion5x_pci_sys_scan_bus,
162	.map_irq	= wnr854t_pci_map_irq,
163};
164
165static int __init wnr854t_pci_init(void)
166{
167	if (machine_is_wnr854t())
168		pci_common_init(&wnr854t_pci);
169
170	return 0;
171}
172subsys_initcall(wnr854t_pci_init);
173
174MACHINE_START(WNR854T, "Netgear WNR854T")
175	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
176	.atag_offset	= 0x100,
177	.init_machine	= wnr854t_init,
178	.map_io		= orion5x_map_io,
179	.init_early	= orion5x_init_early,
180	.init_irq	= orion5x_init_irq,
181	.init_time	= orion5x_timer_init,
182	.fixup		= tag_fixup_mem32,
183	.restart	= orion5x_restart,
184MACHINE_END
185