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authorSimon Guinot <sguinot@lacie.com>2010-09-19 09:33:59 -0400
committerNicolas Pitre <nico@fluxnic.net>2010-09-19 22:43:45 -0400
commitb51d92da4ebb52b61fdc99c911171562673e88ef (patch)
tree09b08f200c2d7dceabb050780783b654748e312b /arch/arm/mach-kirkwood/lacie_v2-common.c
parent84712e9aa43862ded44e47acfaa93612a7eeaf7c (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.c127
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
27static 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
36static 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
43static 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
54void __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
65static 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
75static struct i2c_board_info __initdata lacie_v2_i2c_info[] = {
76 {
77 I2C_BOARD_INFO("24c04", 0x50),
78 .platform_data = &at24c04,
79 }
80};
81
82void __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
93static int __initdata lacie_v2_gpio_hdd_power[] = { 16, 17, 41, 42, 43 };
94
95void __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
119static void lacie_v2_timer_init(void)
120{
121 kirkwood_tclk = 166666667;
122 orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
123}
124
125struct sys_timer lacie_v2_timer = {
126 .init = lacie_v2_timer_init,
127};