diff options
author | Simon Guinot <sguinot@lacie.com> | 2010-09-19 09:33:59 -0400 |
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committer | Nicolas Pitre <nico@fluxnic.net> | 2010-09-19 22:43:45 -0400 |
commit | b51d92da4ebb52b61fdc99c911171562673e88ef (patch) | |
tree | 09b08f200c2d7dceabb050780783b654748e312b /arch/arm/mach-kirkwood/lacie_v2-common.c | |
parent | 84712e9aa43862ded44e47acfaa93612a7eeaf7c (diff) |
[ARM] Kirkwood: remove duplicated code in LaCie setup files
Signed-off-by: Simon Guinot <sguinot@lacie.com>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Diffstat (limited to 'arch/arm/mach-kirkwood/lacie_v2-common.c')
-rw-r--r-- | arch/arm/mach-kirkwood/lacie_v2-common.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/lacie_v2-common.c b/arch/arm/mach-kirkwood/lacie_v2-common.c new file mode 100644 index 000000000000..d3ea1b6c8a02 --- /dev/null +++ b/arch/arm/mach-kirkwood/lacie_v2-common.c | |||
@@ -0,0 +1,127 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-kirkwood/lacie_v2-common.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 | |||
9 | #include <linux/kernel.h> | ||
10 | #include <linux/init.h> | ||
11 | #include <linux/mtd/physmap.h> | ||
12 | #include <linux/spi/flash.h> | ||
13 | #include <linux/spi/spi.h> | ||
14 | #include <linux/i2c.h> | ||
15 | #include <linux/i2c/at24.h> | ||
16 | #include <linux/gpio.h> | ||
17 | #include <asm/mach/time.h> | ||
18 | #include <mach/kirkwood.h> | ||
19 | #include <mach/irqs.h> | ||
20 | #include <plat/time.h> | ||
21 | #include "common.h" | ||
22 | |||
23 | /***************************************************************************** | ||
24 | * 512KB SPI Flash on Boot Device (MACRONIX MX25L4005) | ||
25 | ****************************************************************************/ | ||
26 | |||
27 | static struct mtd_partition lacie_v2_flash_parts[] = { | ||
28 | { | ||
29 | .name = "u-boot", | ||
30 | .size = MTDPART_SIZ_FULL, | ||
31 | .offset = 0, | ||
32 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | ||
33 | }, | ||
34 | }; | ||
35 | |||
36 | static const struct flash_platform_data lacie_v2_flash = { | ||
37 | .type = "mx25l4005a", | ||
38 | .name = "spi_flash", | ||
39 | .parts = lacie_v2_flash_parts, | ||
40 | .nr_parts = ARRAY_SIZE(lacie_v2_flash_parts), | ||
41 | }; | ||
42 | |||
43 | static struct spi_board_info __initdata lacie_v2_spi_slave_info[] = { | ||
44 | { | ||
45 | .modalias = "m25p80", | ||
46 | .platform_data = &lacie_v2_flash, | ||
47 | .irq = -1, | ||
48 | .max_speed_hz = 20000000, | ||
49 | .bus_num = 0, | ||
50 | .chip_select = 0, | ||
51 | }, | ||
52 | }; | ||
53 | |||
54 | void __init lacie_v2_register_flash(void) | ||
55 | { | ||
56 | spi_register_board_info(lacie_v2_spi_slave_info, | ||
57 | ARRAY_SIZE(lacie_v2_spi_slave_info)); | ||
58 | kirkwood_spi_init(); | ||
59 | } | ||
60 | |||
61 | /***************************************************************************** | ||
62 | * I2C devices | ||
63 | ****************************************************************************/ | ||
64 | |||
65 | static struct at24_platform_data at24c04 = { | ||
66 | .byte_len = SZ_4K / 8, | ||
67 | .page_size = 16, | ||
68 | }; | ||
69 | |||
70 | /* | ||
71 | * i2c addr | chip | description | ||
72 | * 0x50 | HT24LC04 | eeprom (512B) | ||
73 | */ | ||
74 | |||
75 | static struct i2c_board_info __initdata lacie_v2_i2c_info[] = { | ||
76 | { | ||
77 | I2C_BOARD_INFO("24c04", 0x50), | ||
78 | .platform_data = &at24c04, | ||
79 | } | ||
80 | }; | ||
81 | |||
82 | void __init lacie_v2_register_i2c_devices(void) | ||
83 | { | ||
84 | kirkwood_i2c_init(); | ||
85 | i2c_register_board_info(0, lacie_v2_i2c_info, | ||
86 | ARRAY_SIZE(lacie_v2_i2c_info)); | ||
87 | } | ||
88 | |||
89 | /***************************************************************************** | ||
90 | * Hard Disk power | ||
91 | ****************************************************************************/ | ||
92 | |||
93 | static int __initdata lacie_v2_gpio_hdd_power[] = { 16, 17, 41, 42, 43 }; | ||
94 | |||
95 | void __init lacie_v2_hdd_power_init(int hdd_num) | ||
96 | { | ||
97 | int i; | ||
98 | int err; | ||
99 | |||
100 | /* Power up all hard disks. */ | ||
101 | for (i = 0; i < hdd_num; i++) { | ||
102 | err = gpio_request(lacie_v2_gpio_hdd_power[i], NULL); | ||
103 | if (err == 0) { | ||
104 | err = gpio_direction_output( | ||
105 | lacie_v2_gpio_hdd_power[i], 1); | ||
106 | /* Free the HDD power GPIOs. This allow user-space to | ||
107 | * configure them via the gpiolib sysfs interface. */ | ||
108 | gpio_free(lacie_v2_gpio_hdd_power[i]); | ||
109 | } | ||
110 | if (err) | ||
111 | pr_err("Failed to power up HDD%d\n", i + 1); | ||
112 | } | ||
113 | } | ||
114 | |||
115 | /***************************************************************************** | ||
116 | * Timer | ||
117 | ****************************************************************************/ | ||
118 | |||
119 | static void lacie_v2_timer_init(void) | ||
120 | { | ||
121 | kirkwood_tclk = 166666667; | ||
122 | orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); | ||
123 | } | ||
124 | |||
125 | struct sys_timer lacie_v2_timer = { | ||
126 | .init = lacie_v2_timer_init, | ||
127 | }; | ||