cns21xx: add initial support for the Cavium CNS21xx SoC
[oweals/openwrt.git] / target / linux / cns21xx / patches-2.6.36 / 301-cns21xx-mach-ns-k330.patch
1 --- a/arch/arm/mach-cns21xx/Kconfig
2 +++ b/arch/arm/mach-cns21xx/Kconfig
3 @@ -1,6 +1,16 @@
4  if ARCH_CNS21XX
5  
6  menu "Cavium Networks CNS21xx based machines"
7 +
8 +config MACH_NS_K330
9 +       bool "NS-K330 NAS"
10 +       select CNS21XX_DEV_GEC
11 +       select CNS21XX_DEV_SPI_MASTER
12 +       select CNS21XX_DEV_USB
13 +       help
14 +         Say Y here if you intend to run this kernel on the
15 +         NS-K330 NAS board.
16 +
17  endmenu
18  
19  config CNS21XX_DEV_GEC
20 --- /dev/null
21 +++ b/arch/arm/mach-cns21xx/mach-ns-k330.c
22 @@ -0,0 +1,212 @@
23 +/*
24 + *  NS-K330 NAS board support
25 + *
26 + *  Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
27 + *
28 + *  This file is free software; you can redistribute it and/or modify
29 + *  it under the terms of the GNU General Public License, Version 2, as
30 + *  published by the Free Software Foundation.
31 + */
32 +
33 +#include <linux/kernel.h>
34 +#include <linux/init.h>
35 +#include <linux/mtd/mtd.h>
36 +#include <linux/mtd/map.h>
37 +#include <linux/mtd/partitions.h>
38 +#include <linux/spi/spi.h>
39 +#include <linux/spi/flash.h>
40 +#include <linux/platform_device.h>
41 +#include <linux/gpio.h>
42 +#include <linux/leds.h>
43 +#include <linux/gpio_keys.h>
44 +#include <linux/input.h>
45 +
46 +#include <asm/setup.h>
47 +#include <asm/mach-types.h>
48 +#include <asm/mach/arch.h>
49 +#include <asm/mach/time.h>
50 +#include <mach/hardware.h>
51 +#include <mach/cns21xx.h>
52 +#include <mach/cns21xx_misc.h>
53 +
54 +#include "common.h"
55 +#include "dev-gec.h"
56 +
57 +#define NS_K330_GPIO_LED_LINK          1
58 +#define NS_K330_GPIO_LED_USB1          16
59 +#define NS_K330_GPIO_LED_USB2          17
60 +#define NS_K330_GPIO_LED_ETH_GREEN     22
61 +#define NS_K330_GPIO_LED_ETH_ORANGE    23
62 +
63 +#define NS_K330_GPIO_BTN_RESET         13
64 +#define NS_K330_GPIO_BTN_USB1          14
65 +#define NS_K330_GPIO_BTN_USB2          15
66 +
67 +#ifdef CONFIG_MTD_PARTITIONS
68 +static struct mtd_partition ns_k330_partitions[] =  {
69 +       {
70 +               .name           = "boot",
71 +               .offset         = 0x0,
72 +               .size           = 0x040000,
73 +               .mask_flags     = MTD_WRITEABLE,
74 +       }, {
75 +               .name           = "config",
76 +               .offset         = 0x040000,
77 +               .size           = 0x020000,
78 +               .mask_flags     = MTD_WRITEABLE,
79 +       }, {
80 +               .name           = "kernel",
81 +               .offset         = 0x060000,
82 +               .size           = 0x100000,
83 +       }, {
84 +               .name           = "rootfs",
85 +               .offset         = 0x160000,
86 +               .size           = 0x290000,
87 +       }, {
88 +               .name           = "firmware",
89 +               .offset         = 0x060000,
90 +               .size           = 0x390000,
91 +       },
92 +};
93 +#else
94 +#define ns_k330_partitions     NULL
95 +#define ns_k330_num_partitions 0
96 +#endif /* CONFIG_MTD_PARTITIONS */
97 +
98 +static struct flash_platform_data ns_k330_flash_data = {
99 +        .parts          = ns_k330_partitions,
100 +        .nr_parts       = ARRAY_SIZE(ns_k330_partitions),
101 +};
102 +
103 +static struct spi_board_info ns_k330_spi_board_info[] = {
104 +       {
105 +               .bus_num        = 0,
106 +               .chip_select    = 0,
107 +               .max_speed_hz   = 25000000,
108 +               .modalias       = "m25p80",
109 +               .platform_data  = &ns_k330_flash_data,
110 +       }
111 +};
112 +
113 +static struct gpio_led ns_k330_gpio_leds[] = {
114 +       {
115 +               .name           = "ns-k330:red:link",
116 +               .gpio           = NS_K330_GPIO_LED_LINK,
117 +               .active_low     = 1,
118 +       }, {
119 +               .name           = "ns-k330:green:usb1",
120 +               .gpio           = NS_K330_GPIO_LED_USB1,
121 +               .active_low     = 1,
122 +       }, {
123 +               .name           = "ns-k330:green:usb2",
124 +               .gpio           = NS_K330_GPIO_LED_USB2,
125 +               .active_low     = 1,
126 +       }, {
127 +               .name           = "ns-k330:green:eth",
128 +               .gpio           = NS_K330_GPIO_LED_ETH_GREEN,
129 +               .active_low     = 1,
130 +       }, {
131 +               .name           = "ns-k330:orange:eth",
132 +               .gpio           = NS_K330_GPIO_LED_ETH_ORANGE,
133 +               .active_low     = 1,
134 +       }
135 +};
136 +
137 +static struct gpio_led_platform_data ns_k330_gpio_leds_data = {
138 +       .num_leds               = ARRAY_SIZE(ns_k330_gpio_leds),
139 +       .leds                   = ns_k330_gpio_leds,
140 +};
141 +
142 +static struct platform_device ns_k330_gpio_leds_device = {
143 +       .name                   = "leds-gpio",
144 +       .id                     = -1,
145 +       .dev.platform_data      = &ns_k330_gpio_leds_data,
146 +};
147 +
148 +static struct gpio_keys_button ns_k330_gpio_keys[] = {
149 +       {
150 +               .code           = KEY_RESTART,
151 +               .gpio           = NS_K330_GPIO_BTN_RESET,
152 +               .desc           = "Reset Button",
153 +               .active_low     = 1,
154 +       },
155 +       {
156 +               .code           = BTN_0,
157 +               .gpio           = NS_K330_GPIO_BTN_USB1,
158 +               .desc           = "USB1 Button",
159 +               .active_low     = 1,
160 +       },
161 +       {
162 +               .code           = BTN_1,
163 +               .gpio           = NS_K330_GPIO_BTN_USB2,
164 +               .desc           = "USB2 Button",
165 +               .active_low     = 0,
166 +       },
167 +};
168 +
169 +static struct gpio_keys_platform_data ns_k330_gpio_keys_data = {
170 +       .buttons        = ns_k330_gpio_keys,
171 +       .nbuttons       = ARRAY_SIZE(ns_k330_gpio_keys),
172 +};
173 +
174 +static struct platform_device ns_k330_gpio_keys_device = {
175 +       .name           = "gpio-keys",
176 +       .id             = -1,
177 +       .num_resources  = 0,
178 +       .dev            = {
179 +               .platform_data  = &ns_k330_gpio_keys_data,
180 +       },
181 +};
182 +
183 +static void __init ns_k330_fixup(struct machine_desc *desc,
184 +                            struct tag *tags, char **cmdline,
185 +                            struct meminfo *mi)
186 +{
187 +       struct tag *t;
188 +
189 +       /* The board has 32MB of RAM mapped at 0. */
190 +       mi->nr_banks = 1;
191 +       mi->bank[0].start = 0;
192 +       mi->bank[0].size = SZ_32M;
193 +
194 +       for (t = tags; t->hdr.size; t = tag_next(t)) {
195 +               switch (t->hdr.tag) {
196 +               case ATAG_CORE:
197 +                       if (t->u.core.rootdev == 255)
198 +                               t->u.core.rootdev = 0;
199 +                       break;
200 +               }
201 +       }
202 +}
203 +
204 +static void __init ns_k330_init(void)
205 +{
206 +       cns21xx_gpio_init();
207 +
208 +       HAL_MISC_DISABLE_LED012_PINS();
209 +       HAL_MISC_DISABLE_I2C_PINS();
210 +       HAL_MISC_DISABLE_I2S_PINS();
211 +
212 +       cns21xx_register_uart0();
213 +       cns21xx_register_wdt();
214 +       cns21xx_register_usb();
215 +       cns21xx_register_spi_master(-1, ns_k330_spi_board_info,
216 +                                   ARRAY_SIZE(ns_k330_spi_board_info));
217 +
218 +       cns21xx_gec_data.phy_type = CNS21XX_GEC_PHY_TYPE_INTERNAL;
219 +       cns21xx_register_gec();
220 +
221 +       platform_device_register(&ns_k330_gpio_leds_device);
222 +       platform_device_register(&ns_k330_gpio_keys_device);
223 +}
224 +
225 +MACHINE_START(NS_K330, "NS-K330 NAS")
226 +       .phys_io        = CNS21XX_PHYS_IO,
227 +       .io_pg_offst    = CNS21XX_IO_PAGE_OFFSET,
228 +       .boot_params    = 0x100,
229 +       .fixup          = ns_k330_fixup,
230 +       .map_io         = cns21xx_map_io,
231 +       .init_irq       = cns21xx_init_irq,
232 +       .timer          = &cns21xx_timer,
233 +       .init_machine   = ns_k330_init,
234 +MACHINE_END
235 --- a/arch/arm/mach-cns21xx/Makefile
236 +++ b/arch/arm/mach-cns21xx/Makefile
237 @@ -12,4 +12,4 @@ obj-$(CONFIG_CNS21XX_DEV_USB)         += dev-us
238  obj-$(CONFIG_CNS21XX_DEV_SPI_MASTER)   += dev-spi-master.o
239  
240  # machine specific files
241 -
242 +obj-$(CONFIG_MACH_NS_K330)             += mach-ns-k330.o