diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/solidcard3.h | 537 | ||||
| -rw-r--r-- | include/ppc405.h | 1 |
2 files changed, 538 insertions, 0 deletions
diff --git a/include/configs/solidcard3.h b/include/configs/solidcard3.h new file mode 100644 index 0000000..867cba5 --- /dev/null +++ b/include/configs/solidcard3.h @@ -0,0 +1,537 @@ +/* + * (C) Copyright 2007 + * Heiko Schocher, DENX Software Engineering, <hs@denx.de>. + * + * From: + * (C) Copyright 2003 + * Juergen Beisert, EuroDesign embedded technologies, jbeisert@eurodsn.de + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#undef USE_VGA_GRAPHICS + +/* Memory Map +0x00000000 .... 0x03FFFFFF -> RAM (up to 128MiB) +0x74000000 .... 0x740FFFFF -> CS#6 +0x74100000 .... 0x741FFFFF -> CS#7 +0x74200000 .... 0x742FFFFF -> CS4# if no internal USB +0x74300000 .... 0x743FFFFF -> CS5# if no boosted IDE +0x77C00000 .... 0x77CFFFFF -> CS4# USB HC (1 MiB) +0x77D00000 .... 0x77DFFFFF -> CS1# NAND-Flash (1 MiB) +0x78000000 .... 0x78FFFFFF -> CS2# ISA-Bus Speicherzugriff (16 MiB) +0x79000000 .... 0x7900FFFF -> CS2# ISA-Bus IO-Zugriff (16 MiB, mapped: 64kiB) +0x79010000 .... 0x79FFFFFF -> CS2# ISA-Bus IO-Zugriff (mirrored) +0x7A000000 .... 0x7A0FFFFF -> CS5# IDE emulation (1MiB) + +0x80000000 .... 0x9FFFFFFF -> PCI-Bus Speicherzugriff (512MiB, mapped: 1:1) +0xA0000000 .... 0xBFFFFFFF -> PCI-Bus Speicherzugriff (512MiB, mapped: 0x00000000...0x1FFFFFFF) +0xE8000000 .... 0xE800FFFF -> PCI-Bus IO-Zugriff (64kiB, translated to PCI: 0x0000...0xFFFF) +0xE8800000 .... 0xEBFFFFFF -> PCI-Bus IO-Zugriff (56MiB, translated to PCI: 0x00800000...0x3FFFFFF) +0xEED00000 .... 0xEED00003 -> PCI-Bus +0xEF400000 .... 0xEF40003F -> PCI-Bus Local Configuration Registers +0xEF40003F .... 0xEF5FFFFF -> reserved +0xEF600000 .... 0xEFFFFFFF -> 405GP internal Devices (10 MiB) +0xF0000000 .... 0xF01FFFFF -> Flash-ROM (2 MiB) +0xF0200000 .... 0xF7FFFFFF -> free for flash devices +0xF8000000 .... 0xF8000FFF -> OnChipMemory (4kiB) +0xF8001000 .... 0xFFDFFFFF -> free for flash devices +0xFFE00000 .... 0xFFFFFFFF -> BOOT-ROM (2 MiB) +*/ + +#define CONFIG_SOLIDCARD3 1 +#define CONFIG_4xx 1 +#define CONFIG_405GP 1 + +#define CONFIG_BOARD_EARLY_INIT_F 1 + +/* + * define IDE_USES_ISA_EMULATION for slower IDE access in the ISA-IO address range + * If undefed, IDE access uses a seperat emulation with higher access speed + * Consider to inform your Linux IDE driver about the different addresses! + * IDE_USES_ISA_EMULATION is only used if your CONFIG_COMMANDS macro includes the CFG_CMD_IDE macro! + */ +#define IDE_USES_ISA_EMULATION + +/*----------------------------------------------------------------------- + * Serial Port + *----------------------------------------------------------------------*/ +#define CONFIG_SERIAL_MULTI +#undef CONFIG_SERIAL_SOFTWARE_FIFO +/* + * define CONFIG_POWER_DOWN if your cpu should power down while waiting for your input + * Works only, if you have enabled the CONFIG_SERIAL_SOFTWARE_FIFO feature + */ +#if CONFIG_SERIAL_SOFTWARE_FIFO + #define CONFIG_POWER_DOWN +#endif + +/* + * define CONFIG_SYS_CLK_FREQ to your base crystal clock in Hz + */ +#define CONFIG_SYS_CLK_FREQ 33333333 + +/* + * define CONFIG_BAUDRATE to the baudrate value you want to use as default + */ +#define CONFIG_BAUDRATE 115200 +#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */ + +#define CONFIG_SILENT_CONSOLE 1 /* enable silent startup */ +#define CFG_DEVICE_NULLDEV 1 /* include nulldev device */ + +#if 1 /* feel free to disable for development */ +#define CONFIG_AUTOBOOT_KEYED /* Enable password protection */ +#define CONFIG_AUTOBOOT_PROMPT "\nSC3 - booting... stop with S\n" +#define CONFIG_AUTOBOOT_DELAY_STR "S" /* 1st "password" */ +#endif + +/* + * define CONFIG_BOOTCOMMAND to the autoboot commands. They will running after + * the CONFIG_BOOTDELAY delay to boot your machine + */ +#define CONFIG_BOOTCOMMAND "bootp;dcache on;bootm" + +/* + * define CONFIG_BOOTARGS to the default kernel parameters. They will used if you don't + * set different values at the u-boot prompt + */ +#ifdef USE_VGA_GRAPHICS + #define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp nfsroot=/tftpboot/solidcard3re" +#else + #define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/nfs rw ip=bootp" +#endif +/* + * Is the USB host controller assembled? If yes define CONFIG_ISP1161_PRESENT + * This reserves memory bank #4 for this purpose + */ +#undef CONFIG_ISP1161_PRESENT + +#undef CONFIG_LOADS_ECHO /* no echo on for serial download */ +#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ + +#define CONFIG_NET_MULTI +/* #define CONFIG_EEPRO100_SROM_WRITE */ +/* #define CONFIG_SHOW_MAC */ +#define CONFIG_EEPRO100 +#define CONFIG_MII 1 /* add 405GP MII PHY management */ +#define CONFIG_PHY_ADDR 1 /* the connected Phy defaults to address 1 */ + +#define CONFIG_COMMANDS \ + (CONFIG_CMD_DFL | \ + CFG_CMD_PCI | \ + CFG_CMD_IRQ | \ + CFG_CMD_NET | \ + CFG_CMD_MII | \ + CFG_CMD_PING | \ + CFG_CMD_NAND | \ + CFG_CMD_I2C | \ + CFG_CMD_IDE | \ + CFG_CMD_DATE | \ + CFG_CMD_DHCP | \ + CFG_CMD_CACHE | \ + CFG_CMD_ELF ) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP 1 /* undef to save memory */ +#define CFG_PROMPT "SC3> " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ + +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ + +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0x0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ + +/* + * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1. + * If CFG_405_UART_ERRATA_59, then UART divisor is 31. + * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value. + * The Linux BASE_BAUD define should match this configuration. + * baseBaud = cpuClock/(uartDivisor*16) + * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock, + * set Linux BASE_BAUD to 403200. + * + * Consider the OPB clock! If it get lower the BASE_BAUD must be lower to + * (see 405GP datasheet for descritpion) + */ +#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */ +#undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */ +#define CFG_BASE_BAUD 921600 /* internal clock */ + +/* The following table includes the supported baudrates */ +#define CFG_BAUDRATE_TABLE \ + {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} + +#define CFG_LOAD_ADDR 0x1000000 /* default load address */ +#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ + +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ + +/*----------------------------------------------------------------------- + * IIC stuff + *----------------------------------------------------------------------- + */ +#define CONFIG_HARD_I2C /* I2C with hardware support */ +#undef CONFIG_SOFT_I2C /* I2C bit-banged */ + +#define I2C_INIT +#define I2C_ACTIVE 0 +#define I2C_TRISTATE 0 + +#define CFG_I2C_SPEED 100000 /* use the standard 100kHz speed */ +#define CFG_I2C_SLAVE 0x7F /* mask valid bits */ + +#define CONFIG_RTC_DS1337 +#define CFG_I2C_RTC_ADDR 0x68 + +/*----------------------------------------------------------------------- + * PCI stuff + *----------------------------------------------------------------------- + */ +#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */ +#define PCI_HOST_FORCE 1 /* configure as pci host */ +#define PCI_HOST_AUTO 2 /* detected via arbiter enable */ + +#define CONFIG_PCI /* include pci support */ +#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */ +#define CONFIG_PCI_PNP /* do pci plug-and-play */ + /* resource configuration */ + +/* If you want to see, whats connected to your PCI bus */ +/* #define CONFIG_PCI_SCAN_SHOW */ + +#define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */ +#define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */ +#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */ +#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */ +#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */ +#define CFG_PCI_PTM2LA 0x00000000 /* disabled */ +#define CFG_PCI_PTM2MS 0x00000000 /* disabled */ +#define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */ + +/*----------------------------------------------------------------------- + * External peripheral base address + *----------------------------------------------------------------------- + */ +#if !(CONFIG_COMMANDS & CFG_CMD_IDE) + +#undef CONFIG_IDE_LED /* no led for ide supported */ +#undef CONFIG_IDE_RESET /* no reset for ide supported */ + +/*----------------------------------------------------------------------- + * IDE/ATA stuff + *----------------------------------------------------------------------- + */ +#else /* !(CONFIG_COMMANDS & CFG_CMD_IDE) */ +#define CONFIG_START_IDE 1 /* check, if use IDE */ + +#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */ +#undef CONFIG_IDE_LED /* no led for ide supported */ +#undef CONFIG_IDE_RESET /* no reset for ide supported */ + +#define CONFIG_ATAPI +#define CONFIG_DOS_PARTITION +#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */ + +#ifndef IDE_USES_ISA_EMULATION + +/* New and faster access */ +#define CFG_ATA_BASE_ADDR 0x7A000000 /* start of ISA IO emulation */ + +/* How many IDE busses are available */ +#define CFG_IDE_MAXBUS 1 + +/* What IDE ports are available */ +#define CFG_ATA_IDE0_OFFSET 0x000 /* first is available */ +#undef CFG_ATA_IDE1_OFFSET /* second not available */ + +/* access to the data port is calculated: + CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */ +#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */ + +/* access to the registers is calculated: + CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */ +#define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */ + +/* access to the alternate register is calculated: + CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */ +#define CFG_ATA_ALT_OFFSET 0x008 /* Offset for alternate registers */ + +#else /* IDE_USES_ISA_EMULATION */ + +#define CFG_ATA_BASE_ADDR 0x79000000 /* start of ISA IO emulation */ + +/* How many IDE busses are available */ +#define CFG_IDE_MAXBUS 1 + +/* What IDE ports are available */ +#define CFG_ATA_IDE0_OFFSET 0x01F0 /* first is available */ +#undef CFG_ATA_IDE1_OFFSET /* second not available */ + +/* access to the data port is calculated: + CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */ +#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */ + +/* access to the registers is calculated: + CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */ +#define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */ + +/* access to the alternate register is calculated: + CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */ +#define CFG_ATA_ALT_OFFSET 0x03F0 /* Offset for alternate registers */ + +#endif /* IDE_USES_ISA_EMULATION */ + +#endif /* !(CONFIG_COMMANDS & CFG_CMD_IDE) */ + +/* +#define CFG_KEY_REG_BASE_ADDR 0xF0100000 +#define CFG_IR_REG_BASE_ADDR 0xF0200000 +#define CFG_FPGA_REG_BASE_ADDR 0xF0300000 +*/ + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + * + * CFG_FLASH_BASE -> start address of internal flash + * CFG_MONITOR_BASE -> start of u-boot + */ +#ifndef __ASSEMBLER__ +extern unsigned long offsetOfBigFlash; +extern unsigned long offsetOfEnvironment; +#endif + +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_FLASH_BASE 0xFFE00000 +#define CFG_MONITOR_BASE 0xFFFC0000 /* placed last 256k */ +#define CFG_MONITOR_LEN (224 * 1024) /* Reserve 224 KiB for Monitor */ +#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 KiB for malloc() */ + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MiB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ +/*----------------------------------------------------------------------- + * FLASH organization ## FIXME: lookup in datasheet + */ +#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ + +#define CFG_FLASH_CFI /* flash is CFI compat. */ +#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver*/ +#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector */ +#define CFG_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash*/ +#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +#define CFG_ENV_IS_IN_FLASH 1 +#if CFG_ENV_IS_IN_FLASH + #define CFG_ENV_OFFSET 0x00000000 /* Offset of Environment Sector in bottom type */ + #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ + #define CFG_ENV_SECT_SIZE 0x4000 /* see README - env sector total size */ +#endif +/* let us changing anything in our environment */ +#define CONFIG_ENV_OVERWRITE + +/* + * NAND-FLASH stuff + */ +#define CFG_MAX_NAND_DEVICE 1 +#define NAND_MAX_CHIPS 1 +#define CFG_NAND_BASE 0x77D00000 + +/*----------------------------------------------------------------------- + * Cache Configuration + * + * CFG_DCACHE_SIZE -> size of data cache: + * - 405GP 8k + * - 405GPr 16k + * How to handle the difference in chache size? + * CFG_CACHELINE_SIZE -> size of one cache line: 32 bytes + * (used in cpu/ppc4xx/start.S) +*/ +#define CFG_DCACHE_SIZE 16384 + +#define CFG_CACHELINE_SIZE 32 + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ +#endif + +/* + * Init Memory Controller: + * + */ + +#define FLASH_BASE0_PRELIM CFG_FLASH_BASE +#define FLASH_BASE1_PRELIM 0 + +/*----------------------------------------------------------------------- + * Some informations about the internal SRAM (OCM=On Chip Memory) + * + * CFG_OCM_DATA_ADDR -> location + * CFG_OCM_DATA_SIZE -> size +*/ + +#define CFG_TEMP_STACK_OCM 1 +#define CFG_OCM_DATA_ADDR 0xF8000000 +#define CFG_OCM_DATA_SIZE 0x1000 + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area (in DPRAM): + * - we are using the internal 4k SRAM, so we don't need data cache mapping + * - internal SRAM (OCM=On Chip Memory) is placed to CFG_OCM_DATA_ADDR + * - Stackpointer will be located to + * (CFG_INIT_RAM_ADDR&0xFFFF0000) | (CFG_INIT_SP_OFFSET&0x0000FFFF) + * in cpu/ppc4xx/start.S + */ + +#undef CFG_INIT_DCACHE_CS +/* Where the internal SRAM starts */ +#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR +/* Where the internal SRAM ends (only offset) */ +#define CFG_INIT_RAM_END 0x0F00 + +/* + + CFG_INIT_RAM_ADDR ------> ------------ lower address + | | + | ^ | + | | | + | | Stack | + CFG_GBL_DATA_OFFSET ----> ------------ + | | + | 64 Bytes | + | | + CFG_INIT_RAM_END ------> ------------ higher address + (offset only) + +*/ +/* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_SIZE 64 +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +/* Initial value of the stack pointern in internal SRAM */ +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +/* ################################################################################### */ +/* These defines will be used in cpu/ppc4xx/cpu_init.c to setup external chip selects */ +/* They are currently undefined cause they are initiaized in board/solidcard3/init.S */ + +/* This chip select accesses the boot device */ +/* It depends on boot select switch if this device is 16 or 8 bit */ + +#undef CFG_EBC_PB0AP +#undef CFG_EBC_PB0CR + +#undef CFG_EBC_PB1AP +#undef CFG_EBC_PB1CR + +#undef CFG_EBC_PB2AP +#undef CFG_EBC_PB2CR + +#undef CFG_EBC_PB3AP +#undef CFG_EBC_PB3CR + +#undef CFG_EBC_PB4AP +#undef CFG_EBC_PB4CR + +#undef CFG_EBC_PB5AP +#undef CFG_EBC_PB5CR + +#undef CFG_EBC_PB6AP +#undef CFG_EBC_PB6CR + +#undef CFG_EBC_PB7AP +#undef CFG_EBC_PB7CR + +#define CONFIG_SDRAM_BANK0 /* use the standard SDRAM initialization */ +#undef CONFIG_SPD_EEPROM + +/* + * Define this to get more information about system configuration + */ +/* #define SC3_DEBUGOUT */ +#undef SC3_DEBUGOUT + +/*********************************************************************** + * External peripheral base address + ***********************************************************************/ + +#define CFG_ISA_MEM_BASE_ADDRESS 0x78000000 +/* + Die Grafik-Treiber greifen über die Adresse in diesem Macro auf den Chip zu. + Das funktioniert bei deren Karten, weil sie eine PCI-Bridge benutzen, die + das gleiche Mapping durchführen kann, wie der SC520 (also Aufteilen von IO-Zugriffen + auf ISA- und PCI-Zyklen) + */ +#define CFG_ISA_IO_BASE_ADDRESS 0xE8000000 +/*#define CFG_ISA_IO_BASE_ADDRESS 0x79000000 */ + +/************************************************************ + * Video support + ************************************************************/ + +#ifdef USE_VGA_GRAPHICS +#define CONFIG_VIDEO /* To enable video controller support */ +#define CONFIG_VIDEO_CT69000 +#define CONFIG_CFB_CONSOLE +/* #define CONFIG_VIDEO_LOGO */ +#define CONFIG_VGA_AS_SINGLE_DEVICE +#define CONFIG_VIDEO_SW_CURSOR +/* #define CONFIG_VIDEO_HW_CURSOR */ +#define CONFIG_VIDEO_ONBOARD /* Video controller is on-board */ + +#define VIDEO_HW_RECTFILL +#define VIDEO_HW_BITBLT + +#endif + +/************************************************************ + * Ident + ************************************************************/ +#define CONFIG_SC3_VERSION "r1.4" + +#define POST_OUT(x) (*((volatile unsigned char*)(0x79000080))=x) + +#endif /* __CONFIG_H */ diff --git a/include/ppc405.h b/include/ppc405.h index 4470240..e475fa5 100644 --- a/include/ppc405.h +++ b/include/ppc405.h @@ -160,6 +160,7 @@ #define mem_bear 0x10 /* bus error address reg */ #endif #define mem_mcopt1 0x20 /* memory controller options 1 */ + #define mem_status 0x24 /* memory status */ #define mem_rtr 0x30 /* refresh timer reg */ #define mem_pmit 0x34 /* power management idle timer */ #define mem_mb0cf 0x40 /* memory bank 0 configuration */ |