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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 
26 static 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 
56 static 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 
72 static 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 
78 static 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 
84 static 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 
94 static 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 
100 static 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 
109 static struct dsa_platform_data wnr854t_switch_plat_data = {
110 	.nr_chips	= 1,
111 	.chip		= &wnr854t_switch_chip_data,
112 };
113 
wnr854t_init(void)114 static 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 	orion5x_setup_dev_boot_win(WNR854T_NOR_BOOT_BASE,
131 				   WNR854T_NOR_BOOT_SIZE);
132 	platform_device_register(&wnr854t_nor_flash);
133 }
134 
wnr854t_pci_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)135 static int __init wnr854t_pci_map_irq(const struct pci_dev *dev, u8 slot,
136 	u8 pin)
137 {
138 	int irq;
139 
140 	/*
141 	 * Check for devices with hard-wired IRQs.
142 	 */
143 	irq = orion5x_pci_map_irq(dev, slot, pin);
144 	if (irq != -1)
145 		return irq;
146 
147 	/*
148 	 * Mini-PCI slot.
149 	 */
150 	if (slot == 7)
151 		return gpio_to_irq(4);
152 
153 	return -1;
154 }
155 
156 static struct hw_pci wnr854t_pci __initdata = {
157 	.nr_controllers	= 2,
158 	.swizzle	= pci_std_swizzle,
159 	.setup		= orion5x_pci_sys_setup,
160 	.scan		= orion5x_pci_sys_scan_bus,
161 	.map_irq	= wnr854t_pci_map_irq,
162 };
163 
wnr854t_pci_init(void)164 static int __init wnr854t_pci_init(void)
165 {
166 	if (machine_is_wnr854t())
167 		pci_common_init(&wnr854t_pci);
168 
169 	return 0;
170 }
171 subsys_initcall(wnr854t_pci_init);
172 
173 MACHINE_START(WNR854T, "Netgear WNR854T")
174 	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
175 	.atag_offset	= 0x100,
176 	.init_machine	= wnr854t_init,
177 	.map_io		= orion5x_map_io,
178 	.init_early	= orion5x_init_early,
179 	.init_irq	= orion5x_init_irq,
180 	.timer		= &orion5x_timer,
181 	.fixup		= tag_fixup_mem32,
182 	.restart	= orion5x_restart,
183 MACHINE_END
184