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author | Simon Guinot <sguinot@lacie.com> | 2010-09-19 13:33:59 (GMT) |
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committer | Nicolas Pitre <nico@fluxnic.net> | 2010-09-20 02:43:45 (GMT) |
commit | b51d92da4ebb52b61fdc99c911171562673e88ef (patch) | |
tree | 09b08f200c2d7dceabb050780783b654748e312b /arch/arm/mach-kirkwood/lacie_v2-common.c | |
parent | 84712e9aa43862ded44e47acfaa93612a7eeaf7c (diff) | |
download | linux-b51d92da4ebb52b61fdc99c911171562673e88ef.tar.xz |
[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 0000000..d3ea1b6 --- /dev/null +++ b/arch/arm/mach-kirkwood/lacie_v2-common.c @@ -0,0 +1,127 @@ +/* + * arch/arm/mach-kirkwood/lacie_v2-common.c + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/mtd/physmap.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi.h> +#include <linux/i2c.h> +#include <linux/i2c/at24.h> +#include <linux/gpio.h> +#include <asm/mach/time.h> +#include <mach/kirkwood.h> +#include <mach/irqs.h> +#include <plat/time.h> +#include "common.h" + +/***************************************************************************** + * 512KB SPI Flash on Boot Device (MACRONIX MX25L4005) + ****************************************************************************/ + +static struct mtd_partition lacie_v2_flash_parts[] = { + { + .name = "u-boot", + .size = MTDPART_SIZ_FULL, + .offset = 0, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, +}; + +static const struct flash_platform_data lacie_v2_flash = { + .type = "mx25l4005a", + .name = "spi_flash", + .parts = lacie_v2_flash_parts, + .nr_parts = ARRAY_SIZE(lacie_v2_flash_parts), +}; + +static struct spi_board_info __initdata lacie_v2_spi_slave_info[] = { + { + .modalias = "m25p80", + .platform_data = &lacie_v2_flash, + .irq = -1, + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 0, + }, +}; + +void __init lacie_v2_register_flash(void) +{ + spi_register_board_info(lacie_v2_spi_slave_info, + ARRAY_SIZE(lacie_v2_spi_slave_info)); + kirkwood_spi_init(); +} + +/***************************************************************************** + * I2C devices + ****************************************************************************/ + +static struct at24_platform_data at24c04 = { + .byte_len = SZ_4K / 8, + .page_size = 16, +}; + +/* + * i2c addr | chip | description + * 0x50 | HT24LC04 | eeprom (512B) + */ + +static struct i2c_board_info __initdata lacie_v2_i2c_info[] = { + { + I2C_BOARD_INFO("24c04", 0x50), + .platform_data = &at24c04, + } +}; + +void __init lacie_v2_register_i2c_devices(void) +{ + kirkwood_i2c_init(); + i2c_register_board_info(0, lacie_v2_i2c_info, + ARRAY_SIZE(lacie_v2_i2c_info)); +} + +/***************************************************************************** + * Hard Disk power + ****************************************************************************/ + +static int __initdata lacie_v2_gpio_hdd_power[] = { 16, 17, 41, 42, 43 }; + +void __init lacie_v2_hdd_power_init(int hdd_num) +{ + int i; + int err; + + /* Power up all hard disks. */ + for (i = 0; i < hdd_num; i++) { + err = gpio_request(lacie_v2_gpio_hdd_power[i], NULL); + if (err == 0) { + err = gpio_direction_output( + lacie_v2_gpio_hdd_power[i], 1); + /* Free the HDD power GPIOs. This allow user-space to + * configure them via the gpiolib sysfs interface. */ + gpio_free(lacie_v2_gpio_hdd_power[i]); + } + if (err) + pr_err("Failed to power up HDD%d\n", i + 1); + } +} + +/***************************************************************************** + * Timer + ****************************************************************************/ + +static void lacie_v2_timer_init(void) +{ + kirkwood_tclk = 166666667; + orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); +} + +struct sys_timer lacie_v2_timer = { + .init = lacie_v2_timer_init, +}; |