aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/board-n8x0.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/board-n8x0.c')
-rw-r--r--arch/arm/mach-omap2/board-n8x0.c725
1 files changed, 725 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
new file mode 100644
index 00000000..8d74318e
--- /dev/null
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -0,0 +1,725 @@
+/*
+ * linux/arch/arm/mach-omap2/board-n8x0.c
+ *
+ * Copyright (C) 2005-2009 Nokia Corporation
+ * Author: Juha Yrjola <juha.yrjola@nokia.com>
+ *
+ * Modified from mach-omap2/board-generic.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/stddef.h>
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+#include <linux/usb/musb.h>
+#include <sound/tlv320aic3x.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <plat/board.h>
+#include <plat/common.h>
+#include <plat/menelaus.h>
+#include <mach/irqs.h>
+#include <plat/mcspi.h>
+#include <plat/onenand.h>
+#include <plat/mmc.h>
+#include <plat/serial.h>
+
+#include "mux.h"
+
+static int slot1_cover_open;
+static int slot2_cover_open;
+static struct device *mmc_device;
+
+#define TUSB6010_ASYNC_CS 1
+#define TUSB6010_SYNC_CS 4
+#define TUSB6010_GPIO_INT 58
+#define TUSB6010_GPIO_ENABLE 0
+#define TUSB6010_DMACHAN 0x3f
+
+#ifdef CONFIG_USB_MUSB_TUSB6010
+/*
+ * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
+ * 1.5 V voltage regulators of PM companion chip. Companion chip will then
+ * provide then PGOOD signal to TUSB6010 which will release it from reset.
+ */
+static int tusb_set_power(int state)
+{
+ int i, retval = 0;
+
+ if (state) {
+ gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
+ msleep(1);
+
+ /* Wait until TUSB6010 pulls INT pin down */
+ i = 100;
+ while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
+ msleep(1);
+ i--;
+ }
+
+ if (!i) {
+ printk(KERN_ERR "tusb: powerup failed\n");
+ retval = -ENODEV;
+ }
+ } else {
+ gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
+ msleep(10);
+ }
+
+ return retval;
+}
+
+static struct musb_hdrc_config musb_config = {
+ .multipoint = 1,
+ .dyn_fifo = 1,
+ .num_eps = 16,
+ .ram_bits = 12,
+};
+
+static struct musb_hdrc_platform_data tusb_data = {
+#if defined(CONFIG_USB_MUSB_OTG)
+ .mode = MUSB_OTG,
+#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
+ .mode = MUSB_PERIPHERAL,
+#else /* defined(CONFIG_USB_MUSB_HOST) */
+ .mode = MUSB_HOST,
+#endif
+ .set_power = tusb_set_power,
+ .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
+ .power = 100, /* Max 100 mA VBUS for host mode */
+ .config = &musb_config,
+};
+
+static void __init n8x0_usb_init(void)
+{
+ int ret = 0;
+ static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
+
+ /* PM companion chip power control pin */
+ ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
+ "TUSB6010 enable");
+ if (ret != 0) {
+ printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
+ TUSB6010_GPIO_ENABLE);
+ return;
+ }
+ tusb_set_power(0);
+
+ ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
+ TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
+ TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
+ if (ret != 0)
+ goto err;
+
+ printk(announce);
+
+ return;
+
+err:
+ gpio_free(TUSB6010_GPIO_ENABLE);
+}
+#else
+
+static void __init n8x0_usb_init(void) {}
+
+#endif /*CONFIG_USB_MUSB_TUSB6010 */
+
+
+static struct omap2_mcspi_device_config p54spi_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1,
+};
+
+static struct spi_board_info n800_spi_board_info[] __initdata = {
+ {
+ .modalias = "p54spi",
+ .bus_num = 2,
+ .chip_select = 0,
+ .max_speed_hz = 48000000,
+ .controller_data = &p54spi_mcspi_config,
+ },
+};
+
+#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
+ defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
+
+static struct mtd_partition onenand_partitions[] = {
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = 0x20000,
+ .mask_flags = MTD_WRITEABLE, /* Force read-only */
+ },
+ {
+ .name = "config",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x60000,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x200000,
+ },
+ {
+ .name = "initfs",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x400000,
+ },
+ {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct omap_onenand_platform_data board_onenand_data[] = {
+ {
+ .cs = 0,
+ .gpio_irq = 26,
+ .parts = onenand_partitions,
+ .nr_parts = ARRAY_SIZE(onenand_partitions),
+ .flags = ONENAND_SYNC_READ,
+ }
+};
+#endif
+
+#if defined(CONFIG_MENELAUS) && \
+ (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
+
+/*
+ * On both N800 and N810, only the first of the two MMC controllers is in use.
+ * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
+ * On N800, both slots are powered via Menelaus. On N810, only one of the
+ * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
+ *
+ * VMMC slot 1 on both N800 and N810
+ * VDCDC3_APE and VMCS2_APE slot 2 on N800
+ * GPIO23 and GPIO9 slot 2 EMMC on N810
+ *
+ */
+#define N8X0_SLOT_SWITCH_GPIO 96
+#define N810_EMMC_VSD_GPIO 23
+#define N810_EMMC_VIO_GPIO 9
+
+static int n8x0_mmc_switch_slot(struct device *dev, int slot)
+{
+#ifdef CONFIG_MMC_DEBUG
+ dev_dbg(dev, "Choose slot %d\n", slot + 1);
+#endif
+ gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
+ return 0;
+}
+
+static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
+ int power_on, int vdd)
+{
+ int mV;
+
+#ifdef CONFIG_MMC_DEBUG
+ dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
+ power_on ? "on" : "off", vdd);
+#endif
+ if (slot == 0) {
+ if (!power_on)
+ return menelaus_set_vmmc(0);
+ switch (1 << vdd) {
+ case MMC_VDD_33_34:
+ case MMC_VDD_32_33:
+ case MMC_VDD_31_32:
+ mV = 3100;
+ break;
+ case MMC_VDD_30_31:
+ mV = 3000;
+ break;
+ case MMC_VDD_28_29:
+ mV = 2800;
+ break;
+ case MMC_VDD_165_195:
+ mV = 1850;
+ break;
+ default:
+ BUG();
+ }
+ return menelaus_set_vmmc(mV);
+ } else {
+ if (!power_on)
+ return menelaus_set_vdcdc(3, 0);
+ switch (1 << vdd) {
+ case MMC_VDD_33_34:
+ case MMC_VDD_32_33:
+ mV = 3300;
+ break;
+ case MMC_VDD_30_31:
+ case MMC_VDD_29_30:
+ mV = 3000;
+ break;
+ case MMC_VDD_28_29:
+ case MMC_VDD_27_28:
+ mV = 2800;
+ break;
+ case MMC_VDD_24_25:
+ case MMC_VDD_23_24:
+ mV = 2400;
+ break;
+ case MMC_VDD_22_23:
+ case MMC_VDD_21_22:
+ mV = 2200;
+ break;
+ case MMC_VDD_20_21:
+ mV = 2000;
+ break;
+ case MMC_VDD_165_195:
+ mV = 1800;
+ break;
+ default:
+ BUG();
+ }
+ return menelaus_set_vdcdc(3, mV);
+ }
+ return 0;
+}
+
+static void n810_set_power_emmc(struct device *dev,
+ int power_on)
+{
+ dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
+
+ if (power_on) {
+ gpio_set_value(N810_EMMC_VSD_GPIO, 1);
+ msleep(1);
+ gpio_set_value(N810_EMMC_VIO_GPIO, 1);
+ msleep(1);
+ } else {
+ gpio_set_value(N810_EMMC_VIO_GPIO, 0);
+ msleep(50);
+ gpio_set_value(N810_EMMC_VSD_GPIO, 0);
+ msleep(50);
+ }
+}
+
+static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
+ int vdd)
+{
+ if (machine_is_nokia_n800() || slot == 0)
+ return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
+
+ n810_set_power_emmc(dev, power_on);
+
+ return 0;
+}
+
+static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
+{
+ int r;
+
+ dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
+ bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
+ BUG_ON(slot != 0 && slot != 1);
+ slot++;
+ switch (bus_mode) {
+ case MMC_BUSMODE_OPENDRAIN:
+ r = menelaus_set_mmc_opendrain(slot, 1);
+ break;
+ case MMC_BUSMODE_PUSHPULL:
+ r = menelaus_set_mmc_opendrain(slot, 0);
+ break;
+ default:
+ BUG();
+ }
+ if (r != 0 && printk_ratelimit())
+ dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
+ slot);
+ return r;
+}
+
+static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
+{
+ slot++;
+ BUG_ON(slot != 1 && slot != 2);
+ if (slot == 1)
+ return slot1_cover_open;
+ else
+ return slot2_cover_open;
+}
+
+static void n8x0_mmc_callback(void *data, u8 card_mask)
+{
+ int bit, *openp, index;
+
+ if (machine_is_nokia_n800()) {
+ bit = 1 << 1;
+ openp = &slot2_cover_open;
+ index = 1;
+ } else {
+ bit = 1;
+ openp = &slot1_cover_open;
+ index = 0;
+ }
+
+ if (card_mask & bit)
+ *openp = 1;
+ else
+ *openp = 0;
+
+ omap_mmc_notify_cover_event(mmc_device, index, *openp);
+}
+
+static int n8x0_mmc_late_init(struct device *dev)
+{
+ int r, bit, *openp;
+ int vs2sel;
+
+ mmc_device = dev;
+
+ r = menelaus_set_slot_sel(1);
+ if (r < 0)
+ return r;
+
+ if (machine_is_nokia_n800())
+ vs2sel = 0;
+ else
+ vs2sel = 2;
+
+ r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
+ if (r < 0)
+ return r;
+
+ n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
+ n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
+
+ r = menelaus_set_mmc_slot(1, 1, 0, 1);
+ if (r < 0)
+ return r;
+ r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
+ if (r < 0)
+ return r;
+
+ r = menelaus_get_slot_pin_states();
+ if (r < 0)
+ return r;
+
+ if (machine_is_nokia_n800()) {
+ bit = 1 << 1;
+ openp = &slot2_cover_open;
+ } else {
+ bit = 1;
+ openp = &slot1_cover_open;
+ slot2_cover_open = 0;
+ }
+
+ /* All slot pin bits seem to be inversed until first switch change */
+ if (r == 0xf || r == (0xf & ~bit))
+ r = ~r;
+
+ if (r & bit)
+ *openp = 1;
+ else
+ *openp = 0;
+
+ r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
+
+ return r;
+}
+
+static void n8x0_mmc_shutdown(struct device *dev)
+{
+ int vs2sel;
+
+ if (machine_is_nokia_n800())
+ vs2sel = 0;
+ else
+ vs2sel = 2;
+
+ menelaus_set_mmc_slot(1, 0, 0, 0);
+ menelaus_set_mmc_slot(2, 0, vs2sel, 0);
+}
+
+static void n8x0_mmc_cleanup(struct device *dev)
+{
+ menelaus_unregister_mmc_callback();
+
+ gpio_free(N8X0_SLOT_SWITCH_GPIO);
+
+ if (machine_is_nokia_n810()) {
+ gpio_free(N810_EMMC_VSD_GPIO);
+ gpio_free(N810_EMMC_VIO_GPIO);
+ }
+}
+
+/*
+ * MMC controller1 has two slots that are multiplexed via I2C.
+ * MMC controller2 is not in use.
+ */
+static struct omap_mmc_platform_data mmc1_data = {
+ .nr_slots = 2,
+ .switch_slot = n8x0_mmc_switch_slot,
+ .init = n8x0_mmc_late_init,
+ .cleanup = n8x0_mmc_cleanup,
+ .shutdown = n8x0_mmc_shutdown,
+ .max_freq = 24000000,
+ .dma_mask = 0xffffffff,
+ .slots[0] = {
+ .wires = 4,
+ .set_power = n8x0_mmc_set_power,
+ .set_bus_mode = n8x0_mmc_set_bus_mode,
+ .get_cover_state = n8x0_mmc_get_cover_state,
+ .ocr_mask = MMC_VDD_165_195 | MMC_VDD_30_31 |
+ MMC_VDD_32_33 | MMC_VDD_33_34,
+ .name = "internal",
+ },
+ .slots[1] = {
+ .set_power = n8x0_mmc_set_power,
+ .set_bus_mode = n8x0_mmc_set_bus_mode,
+ .get_cover_state = n8x0_mmc_get_cover_state,
+ .ocr_mask = MMC_VDD_165_195 | MMC_VDD_20_21 |
+ MMC_VDD_21_22 | MMC_VDD_22_23 |
+ MMC_VDD_23_24 | MMC_VDD_24_25 |
+ MMC_VDD_27_28 | MMC_VDD_28_29 |
+ MMC_VDD_29_30 | MMC_VDD_30_31 |
+ MMC_VDD_32_33 | MMC_VDD_33_34,
+ .name = "external",
+ },
+};
+
+static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
+
+static struct gpio n810_emmc_gpios[] __initdata = {
+ { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vddf" },
+ { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vdd" },
+};
+
+static void __init n8x0_mmc_init(void)
+{
+ int err;
+
+ if (machine_is_nokia_n810()) {
+ mmc1_data.slots[0].name = "external";
+
+ /*
+ * Some Samsung Movinand chips do not like open-ended
+ * multi-block reads and fall to braind-dead state
+ * while doing so. Reducing the number of blocks in
+ * the transfer or delays in clock disable do not help
+ */
+ mmc1_data.slots[1].name = "internal";
+ mmc1_data.slots[1].ban_openended = 1;
+ }
+
+ err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
+ "MMC slot switch");
+ if (err)
+ return;
+
+ if (machine_is_nokia_n810()) {
+ err = gpio_request_array(n810_emmc_gpios,
+ ARRAY_SIZE(n810_emmc_gpios));
+ if (err) {
+ gpio_free(N8X0_SLOT_SWITCH_GPIO);
+ return;
+ }
+ }
+
+ mmc_data[0] = &mmc1_data;
+ omap242x_init_mmc(mmc_data);
+}
+#else
+
+void __init n8x0_mmc_init(void)
+{
+}
+#endif /* CONFIG_MMC_OMAP */
+
+#ifdef CONFIG_MENELAUS
+
+static int n8x0_auto_sleep_regulators(void)
+{
+ u32 val;
+ int ret;
+
+ val = EN_VPLL_SLEEP | EN_VMMC_SLEEP \
+ | EN_VAUX_SLEEP | EN_VIO_SLEEP \
+ | EN_VMEM_SLEEP | EN_DC3_SLEEP \
+ | EN_VC_SLEEP | EN_DC2_SLEEP;
+
+ ret = menelaus_set_regulator_sleep(1, val);
+ if (ret < 0) {
+ printk(KERN_ERR "Could not set regulators to sleep on "
+ "menelaus: %u\n", ret);
+ return ret;
+ }
+ return 0;
+}
+
+static int n8x0_auto_voltage_scale(void)
+{
+ int ret;
+
+ ret = menelaus_set_vcore_hw(1400, 1050);
+ if (ret < 0) {
+ printk(KERN_ERR "Could not set VCORE voltage on "
+ "menelaus: %u\n", ret);
+ return ret;
+ }
+ return 0;
+}
+
+static int n8x0_menelaus_late_init(struct device *dev)
+{
+ int ret;
+
+ ret = n8x0_auto_voltage_scale();
+ if (ret < 0)
+ return ret;
+ ret = n8x0_auto_sleep_regulators();
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+#else
+static int n8x0_menelaus_late_init(struct device *dev)
+{
+ return 0;
+}
+#endif
+
+static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
+ .late_init = n8x0_menelaus_late_init,
+};
+
+static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
+ {
+ I2C_BOARD_INFO("menelaus", 0x72),
+ .irq = INT_24XX_SYS_NIRQ,
+ .platform_data = &n8x0_menelaus_platform_data,
+ },
+};
+
+static struct aic3x_pdata n810_aic33_data __initdata = {
+ .gpio_reset = 118,
+};
+
+static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
+ {
+ I2C_BOARD_INFO("tlv320aic3x", 0x18),
+ .platform_data = &n810_aic33_data,
+ },
+};
+
+static void __init n8x0_map_io(void)
+{
+ omap2_set_globals_242x();
+ omap242x_map_common_io();
+}
+
+static void __init n8x0_init_early(void)
+{
+ omap2_init_common_infrastructure();
+ omap2_init_common_devices(NULL, NULL);
+}
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux board_mux[] __initdata = {
+ /* I2S codec port pins for McBSP block */
+ OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+ OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+ OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+ OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
+ { .reg_offset = OMAP_MUX_TERMINATOR },
+};
+
+static struct omap_device_pad serial2_pads[] __initdata = {
+ {
+ .name = "uart3_rx_irrx.uart3_rx_irrx",
+ .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
+ .enable = OMAP_MUX_MODE0,
+ .idle = OMAP_MUX_MODE3 /* Mux as GPIO for idle */
+ },
+};
+
+static inline void board_serial_init(void)
+{
+ struct omap_board_data bdata;
+
+ bdata.flags = 0;
+ bdata.pads = NULL;
+ bdata.pads_cnt = 0;
+
+ bdata.id = 0;
+ omap_serial_init_port(&bdata);
+
+ bdata.id = 1;
+ omap_serial_init_port(&bdata);
+
+ bdata.id = 2;
+ bdata.pads = serial2_pads;
+ bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
+ omap_serial_init_port(&bdata);
+}
+
+#else
+
+static inline void board_serial_init(void)
+{
+ omap_serial_init();
+}
+
+#endif
+
+static void __init n8x0_init_machine(void)
+{
+ omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
+ /* FIXME: add n810 spi devices */
+ spi_register_board_info(n800_spi_board_info,
+ ARRAY_SIZE(n800_spi_board_info));
+ omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
+ ARRAY_SIZE(n8x0_i2c_board_info_1));
+ omap_register_i2c_bus(2, 400, NULL, 0);
+ if (machine_is_nokia_n810())
+ i2c_register_board_info(2, n810_i2c_board_info_2,
+ ARRAY_SIZE(n810_i2c_board_info_2));
+ board_serial_init();
+ gpmc_onenand_init(board_onenand_data);
+ n8x0_mmc_init();
+ n8x0_usb_init();
+}
+
+MACHINE_START(NOKIA_N800, "Nokia N800")
+ .boot_params = 0x80000100,
+ .reserve = omap_reserve,
+ .map_io = n8x0_map_io,
+ .init_early = n8x0_init_early,
+ .init_irq = omap_init_irq,
+ .init_machine = n8x0_init_machine,
+ .timer = &omap_timer,
+MACHINE_END
+
+MACHINE_START(NOKIA_N810, "Nokia N810")
+ .boot_params = 0x80000100,
+ .reserve = omap_reserve,
+ .map_io = n8x0_map_io,
+ .init_early = n8x0_init_early,
+ .init_irq = omap_init_irq,
+ .init_machine = n8x0_init_machine,
+ .timer = &omap_timer,
+MACHINE_END
+
+MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
+ .boot_params = 0x80000100,
+ .reserve = omap_reserve,
+ .map_io = n8x0_map_io,
+ .init_early = n8x0_init_early,
+ .init_irq = omap_init_irq,
+ .init_machine = n8x0_init_machine,
+ .timer = &omap_timer,
+MACHINE_END
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 16:15:46 +0000