diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/netxbig_v2-setup.c')
| -rw-r--r-- | arch/arm/mach-kirkwood/netxbig_v2-setup.c | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/netxbig_v2-setup.c b/arch/arm/mach-kirkwood/netxbig_v2-setup.c new file mode 100644 index 000000000000..8a2bb0228e4f --- /dev/null +++ b/arch/arm/mach-kirkwood/netxbig_v2-setup.c @@ -0,0 +1,415 @@ +/* + * arch/arm/mach-kirkwood/netxbig_v2-setup.c + * + * LaCie 2Big and 5Big Network v2 board setup + * + * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/i2c.h> +#include <linux/i2c/at24.h> +#include <linux/input.h> +#include <linux/gpio.h> +#include <linux/gpio_keys.h> +#include <linux/leds.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <mach/kirkwood.h> +#include <plat/time.h> +#include "common.h" +#include "mpp.h" + +/***************************************************************************** + * 512KB SPI Flash on Boot Device (MACRONIX MX25L4005) + ****************************************************************************/ + +static struct mtd_partition netxbig_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 netxbig_v2_flash = { + .type = "mx25l4005a", + .name = "spi_flash", + .parts = netxbig_v2_flash_parts, + .nr_parts = ARRAY_SIZE(netxbig_v2_flash_parts), +}; + +static struct spi_board_info __initdata netxbig_v2_spi_slave_info[] = { + { + .modalias = "m25p80", + .platform_data = &netxbig_v2_flash, + .irq = -1, + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 0, + }, +}; + +/***************************************************************************** + * Ethernet + ****************************************************************************/ + +static struct mv643xx_eth_platform_data netxbig_v2_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +static struct mv643xx_eth_platform_data netxbig_v2_ge01_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(0), +}; + +/***************************************************************************** + * 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 netxbig_v2_i2c_info[] = { + { + I2C_BOARD_INFO("24c04", 0x50), + .platform_data = &at24c04, + } +}; + +/***************************************************************************** + * SATA + ****************************************************************************/ + +static struct mv_sata_platform_data netxbig_v2_sata_data = { + .n_ports = 2, +}; + +static int __initdata netxbig_v2_gpio_hdd_power[] = { 16, 17, 41, 42, 43 }; + +static void __init netxbig_v2_sata_power_init(void) +{ + int i; + int err; + int hdd_nb; + + if (machine_is_net2big_v2()) + hdd_nb = 2; + else + hdd_nb = 5; + + /* Power up all hard disks. */ + for (i = 0; i < hdd_nb; i++) { + err = gpio_request(netxbig_v2_gpio_hdd_power[i], NULL); + if (err == 0) { + err = gpio_direction_output( + netxbig_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(netxbig_v2_gpio_hdd_power[i]); + } + if (err) + pr_err("netxbig_v2: failed to power up HDD%d\n", i + 1); + } +} + +/***************************************************************************** + * GPIO keys + ****************************************************************************/ + +#define NETXBIG_V2_GPIO_SWITCH_POWER_ON 13 +#define NETXBIG_V2_GPIO_SWITCH_POWER_OFF 15 +#define NETXBIG_V2_GPIO_FUNC_BUTTON 34 + +#define NETXBIG_V2_SWITCH_POWER_ON 0x1 +#define NETXBIG_V2_SWITCH_POWER_OFF 0x2 + +static struct gpio_keys_button netxbig_v2_buttons[] = { + [0] = { + .type = EV_SW, + .code = NETXBIG_V2_SWITCH_POWER_ON, + .gpio = NETXBIG_V2_GPIO_SWITCH_POWER_ON, + .desc = "Back power switch (on|auto)", + .active_low = 1, + }, + [1] = { + .type = EV_SW, + .code = NETXBIG_V2_SWITCH_POWER_OFF, + .gpio = NETXBIG_V2_GPIO_SWITCH_POWER_OFF, + .desc = "Back power switch (auto|off)", + .active_low = 1, + }, + [2] = { + .code = KEY_OPTION, + .gpio = NETXBIG_V2_GPIO_FUNC_BUTTON, + .desc = "Function button", + .active_low = 1, + }, +}; + +static struct gpio_keys_platform_data netxbig_v2_button_data = { + .buttons = netxbig_v2_buttons, + .nbuttons = ARRAY_SIZE(netxbig_v2_buttons), +}; + +static struct platform_device netxbig_v2_gpio_buttons = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &netxbig_v2_button_data, + }, +}; + +/***************************************************************************** + * GPIO LEDs + ****************************************************************************/ + +/* + * The LEDs are controlled by a CPLD and can be configured through a GPIO + * extension bus: + * + * - address register : bit [0-2] -> GPIO [47-49] + * - data register : bit [0-2] -> GPIO [44-46] + * - enable register : GPIO 29 + * + * Address register selection: + * + * addr | register + * ---------------------------- + * 0 | front LED + * 1 | front LED brightness + * 2 | HDD LED brightness + * 3 | HDD1 LED + * 4 | HDD2 LED + * 5 | HDD3 LED + * 6 | HDD4 LED + * 7 | HDD5 LED + * + * Data register configuration: + * + * data | LED brightness + * ------------------------------------------------- + * 0 | min (off) + * - | - + * 7 | max + * + * data | front LED mode + * ------------------------------------------------- + * 0 | fix off + * 1 | fix blue on + * 2 | fix red on + * 3 | blink blue on=1 sec and blue off=1 sec + * 4 | blink red on=1 sec and red off=1 sec + * 5 | blink blue on=2.5 sec and red on=0.5 sec + * 6 | blink blue on=1 sec and red on=1 sec + * 7 | blink blue on=0.5 sec and blue off=2.5 sec + * + * data | HDD LED mode + * ------------------------------------------------- + * 0 | fix blue on + * 1 | SATA activity blink + * 2 | fix red on + * 3 | blink blue on=1 sec and blue off=1 sec + * 4 | blink red on=1 sec and red off=1 sec + * 5 | blink blue on=2.5 sec and red on=0.5 sec + * 6 | blink blue on=1 sec and red on=1 sec + * 7 | blink blue on=0.5 sec and blue off=2.5 sec + */ + +/***************************************************************************** + * Timer + ****************************************************************************/ + +static void netxbig_v2_timer_init(void) +{ + kirkwood_tclk = 166666667; + orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); +} + +struct sys_timer netxbig_v2_timer = { + .init = netxbig_v2_timer_init, +}; + +/***************************************************************************** + * General Setup + ****************************************************************************/ + +static unsigned int net2big_v2_mpp_config[] __initdata = { + MPP0_SPI_SCn, + MPP1_SPI_MOSI, + MPP2_SPI_SCK, + MPP3_SPI_MISO, + MPP6_SYSRST_OUTn, + MPP7_GPO, /* Request power-off */ + MPP8_TW_SDA, + MPP9_TW_SCK, + MPP10_UART0_TXD, + MPP11_UART0_RXD, + MPP13_GPIO, /* Rear power switch (on|auto) */ + MPP14_GPIO, /* USB fuse alarm */ + MPP15_GPIO, /* Rear power switch (auto|off) */ + MPP16_GPIO, /* SATA HDD1 power */ + MPP17_GPIO, /* SATA HDD2 power */ + MPP20_SATA1_ACTn, + MPP21_SATA0_ACTn, + MPP24_GPIO, /* USB mode select */ + MPP26_GPIO, /* USB device vbus */ + MPP28_GPIO, /* USB enable host vbus */ + MPP29_GPIO, /* CPLD extension ALE */ + MPP34_GPIO, /* Rear Push button */ + MPP35_GPIO, /* Inhibit switch power-off */ + MPP36_GPIO, /* SATA HDD1 presence */ + MPP37_GPIO, /* SATA HDD2 presence */ + MPP40_GPIO, /* eSATA presence */ + MPP44_GPIO, /* CPLD extension (data 0) */ + MPP45_GPIO, /* CPLD extension (data 1) */ + MPP46_GPIO, /* CPLD extension (data 2) */ + MPP47_GPIO, /* CPLD extension (addr 0) */ + MPP48_GPIO, /* CPLD extension (addr 1) */ + MPP49_GPIO, /* CPLD extension (addr 2) */ + 0 +}; + +static unsigned int net5big_v2_mpp_config[] __initdata = { + MPP0_SPI_SCn, + MPP1_SPI_MOSI, + MPP2_SPI_SCK, + MPP3_SPI_MISO, + MPP6_SYSRST_OUTn, + MPP7_GPO, /* Request power-off */ + MPP8_TW_SDA, + MPP9_TW_SCK, + MPP10_UART0_TXD, + MPP11_UART0_RXD, + MPP13_GPIO, /* Rear power switch (on|auto) */ + MPP14_GPIO, /* USB fuse alarm */ + MPP15_GPIO, /* Rear power switch (auto|off) */ + MPP16_GPIO, /* SATA HDD1 power */ + MPP17_GPIO, /* SATA HDD2 power */ + MPP20_GE1_0, + MPP21_GE1_1, + MPP22_GE1_2, + MPP23_GE1_3, + MPP24_GE1_4, + MPP25_GE1_5, + MPP26_GE1_6, + MPP27_GE1_7, + MPP28_GPIO, /* USB enable host vbus */ + MPP29_GPIO, /* CPLD extension ALE */ + MPP30_GE1_10, + MPP31_GE1_11, + MPP32_GE1_12, + MPP33_GE1_13, + MPP34_GPIO, /* Rear Push button */ + MPP35_GPIO, /* Inhibit switch power-off */ + MPP36_GPIO, /* SATA HDD1 presence */ + MPP37_GPIO, /* SATA HDD2 presence */ + MPP38_GPIO, /* SATA HDD3 presence */ + MPP39_GPIO, /* SATA HDD4 presence */ + MPP40_GPIO, /* SATA HDD5 presence */ + MPP41_GPIO, /* SATA HDD3 power */ + MPP42_GPIO, /* SATA HDD4 power */ + MPP43_GPIO, /* SATA HDD5 power */ + MPP44_GPIO, /* CPLD extension (data 0) */ + MPP45_GPIO, /* CPLD extension (data 1) */ + MPP46_GPIO, /* CPLD extension (data 2) */ + MPP47_GPIO, /* CPLD extension (addr 0) */ + MPP48_GPIO, /* CPLD extension (addr 1) */ + MPP49_GPIO, /* CPLD extension (addr 2) */ + 0 +}; + +#define NETXBIG_V2_GPIO_POWER_OFF 7 + +static void netxbig_v2_power_off(void) +{ + gpio_set_value(NETXBIG_V2_GPIO_POWER_OFF, 1); +} + +static void __init netxbig_v2_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_init(); + if (machine_is_net2big_v2()) + kirkwood_mpp_conf(net2big_v2_mpp_config); + else + kirkwood_mpp_conf(net5big_v2_mpp_config); + + netxbig_v2_sata_power_init(); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&netxbig_v2_ge00_data); + if (machine_is_net5big_v2()) + kirkwood_ge01_init(&netxbig_v2_ge01_data); + kirkwood_sata_init(&netxbig_v2_sata_data); + kirkwood_uart0_init(); + spi_register_board_info(netxbig_v2_spi_slave_info, + ARRAY_SIZE(netxbig_v2_spi_slave_info)); + kirkwood_spi_init(); + kirkwood_i2c_init(); + i2c_register_board_info(0, netxbig_v2_i2c_info, + ARRAY_SIZE(netxbig_v2_i2c_info)); + + platform_device_register(&netxbig_v2_gpio_buttons); + + if (gpio_request(NETXBIG_V2_GPIO_POWER_OFF, "power-off") == 0 && + gpio_direction_output(NETXBIG_V2_GPIO_POWER_OFF, 0) == 0) + pm_power_off = netxbig_v2_power_off; + else + pr_err("netxbig_v2: failed to configure power-off GPIO\n"); +} + +#ifdef CONFIG_MACH_NET2BIG_V2 +MACHINE_START(NET2BIG_V2, "LaCie 2Big Network v2") + .phys_io = KIRKWOOD_REGS_PHYS_BASE, + .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .init_machine = netxbig_v2_init, + .map_io = kirkwood_map_io, + .init_irq = kirkwood_init_irq, + .timer = &netxbig_v2_timer, +MACHINE_END +#endif + +#ifdef CONFIG_MACH_NET5BIG_V2 +MACHINE_START(NET5BIG_V2, "LaCie 5Big Network v2") + .phys_io = KIRKWOOD_REGS_PHYS_BASE, + .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .init_machine = netxbig_v2_init, + .map_io = kirkwood_map_io, + .init_irq = kirkwood_init_irq, + .timer = &netxbig_v2_timer, +MACHINE_END +#endif |