jason | 56ef75c | 2013-11-06 22:59:08 +0800 | [diff] [blame] | 1 | /* Copyright (C) 2004-2007 Freescale Semiconductor, Inc. |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 2 | * Hayden Fraser (Hayden.Fraser@freescale.com) |
| 3 | * |
Wolfgang Denk | bd8ec7e | 2013-10-07 13:07:26 +0200 | [diff] [blame] | 4 | * SPDX-License-Identifier: GPL-2.0+ |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #ifndef _M5253DEMO_H |
| 8 | #define _M5253DEMO_H |
| 9 | |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 10 | #define CONFIG_M5253DEMO /* define board type */ |
| 11 | |
| 12 | #define CONFIG_MCFTMR |
| 13 | |
| 14 | #define CONFIG_MCFUART |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 15 | #define CONFIG_SYS_UART_PORT (0) |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 16 | |
| 17 | #undef CONFIG_WATCHDOG /* disable watchdog */ |
| 18 | |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 19 | |
| 20 | /* Configuration for environment |
| 21 | * Environment is embedded in u-boot in the second sector of the flash |
| 22 | */ |
| 23 | #ifdef CONFIG_MONITOR_IS_IN_RAM |
Jean-Christophe PLAGNIOL-VILLARD | 7e1cda6 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 24 | # define CONFIG_ENV_OFFSET 0x4000 |
| 25 | # define CONFIG_ENV_SECT_SIZE 0x1000 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 26 | #else |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 27 | # define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x4000) |
Jean-Christophe PLAGNIOL-VILLARD | 7e1cda6 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 28 | # define CONFIG_ENV_SECT_SIZE 0x1000 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 29 | #endif |
| 30 | |
angelo@sysam.it | 6312a95 | 2015-03-29 22:54:16 +0200 | [diff] [blame] | 31 | #define LDS_BOARD_TEXT \ |
Simon Glass | 547cb40 | 2017-08-03 12:21:49 -0600 | [diff] [blame] | 32 | . = DEFINED(env_offset) ? env_offset : .; \ |
| 33 | env/embedded.o(.text*); |
angelo@sysam.it | 6312a95 | 2015-03-29 22:54:16 +0200 | [diff] [blame] | 34 | |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 35 | /* |
| 36 | * Command line configuration. |
| 37 | */ |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 38 | |
Simon Glass | b569a01 | 2017-05-17 03:25:30 -0600 | [diff] [blame] | 39 | #ifdef CONFIG_IDE |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 40 | /* ATA */ |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 41 | # define CONFIG_IDE_RESET 1 |
| 42 | # define CONFIG_IDE_PREINIT 1 |
| 43 | # define CONFIG_ATAPI |
| 44 | # undef CONFIG_LBA48 |
| 45 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 46 | # define CONFIG_SYS_IDE_MAXBUS 1 |
| 47 | # define CONFIG_SYS_IDE_MAXDEVICE 2 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 48 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 49 | # define CONFIG_SYS_ATA_BASE_ADDR (CONFIG_SYS_MBAR2 + 0x800) |
| 50 | # define CONFIG_SYS_ATA_IDE0_OFFSET 0 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 51 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 52 | # define CONFIG_SYS_ATA_DATA_OFFSET 0xA0 /* Offset for data I/O */ |
| 53 | # define CONFIG_SYS_ATA_REG_OFFSET 0xA0 /* Offset for normal register accesses */ |
| 54 | # define CONFIG_SYS_ATA_ALT_OFFSET 0xC0 /* Offset for alternate registers */ |
| 55 | # define CONFIG_SYS_ATA_STRIDE 4 /* Interval between registers */ |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 56 | #endif |
| 57 | |
| 58 | #define CONFIG_DRIVER_DM9000 |
| 59 | #ifdef CONFIG_DRIVER_DM9000 |
TsiChung Liew | 7f1a046 | 2008-10-21 10:03:07 +0000 | [diff] [blame] | 60 | # define CONFIG_DM9000_BASE (CONFIG_SYS_CS1_BASE | 0x300) |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 61 | # define DM9000_IO CONFIG_DM9000_BASE |
| 62 | # define DM9000_DATA (CONFIG_DM9000_BASE + 4) |
| 63 | # undef CONFIG_DM9000_DEBUG |
Jason Jin | a2fabf1 | 2011-08-19 10:18:15 +0800 | [diff] [blame] | 64 | # define CONFIG_DM9000_BYTE_SWAPPED |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 65 | |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 66 | # define CONFIG_OVERWRITE_ETHADDR_ONCE |
| 67 | |
| 68 | # define CONFIG_EXTRA_ENV_SETTINGS \ |
| 69 | "netdev=eth0\0" \ |
Marek Vasut | 0b3176c | 2012-09-23 17:41:24 +0200 | [diff] [blame] | 70 | "inpclk=" __stringify(CONFIG_SYS_INPUT_CLKSRC) "\0" \ |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 71 | "loadaddr=10000\0" \ |
| 72 | "u-boot=u-boot.bin\0" \ |
| 73 | "load=tftp ${loadaddr) ${u-boot}\0" \ |
| 74 | "upd=run load; run prog\0" \ |
TsiChung Liew | 3dd72f6 | 2010-03-10 11:56:36 -0600 | [diff] [blame] | 75 | "prog=prot off 0xff800000 0xff82ffff;" \ |
| 76 | "era 0xff800000 0xff82ffff;" \ |
TsiChung Liew | 0212f74 | 2010-03-15 19:39:21 -0500 | [diff] [blame] | 77 | "cp.b ${loadaddr} 0xff800000 ${filesize};" \ |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 78 | "save\0" \ |
| 79 | "" |
| 80 | #endif |
| 81 | |
| 82 | #define CONFIG_HOSTNAME M5253DEMO |
| 83 | |
TsiChung Liew | 0c1e325 | 2008-08-19 03:01:19 +0600 | [diff] [blame] | 84 | /* I2C */ |
Heiko Schocher | f285074 | 2012-10-24 13:48:22 +0200 | [diff] [blame] | 85 | #define CONFIG_SYS_I2C |
| 86 | #define CONFIG_SYS_I2C_FSL |
| 87 | #define CONFIG_SYS_FSL_I2C_SPEED 80000 |
| 88 | #define CONFIG_SYS_FSL_I2C_SLAVE 0x7F |
| 89 | #define CONFIG_SYS_FSL_I2C_OFFSET 0x00000280 |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 90 | #define CONFIG_SYS_IMMR CONFIG_SYS_MBAR |
| 91 | #define CONFIG_SYS_I2C_PINMUX_REG (*(u32 *) (CONFIG_SYS_MBAR+0x19C)) |
| 92 | #define CONFIG_SYS_I2C_PINMUX_CLR (0xFFFFE7FF) |
| 93 | #define CONFIG_SYS_I2C_PINMUX_SET (0) |
TsiChung Liew | 0c1e325 | 2008-08-19 03:01:19 +0600 | [diff] [blame] | 94 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 95 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 96 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 97 | #define CONFIG_SYS_LOAD_ADDR 0x00100000 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 98 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 99 | #define CONFIG_SYS_MEMTEST_START 0x400 |
| 100 | #define CONFIG_SYS_MEMTEST_END 0x380000 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 101 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 102 | #undef CONFIG_SYS_PLL_BYPASS /* bypass PLL for test purpose */ |
| 103 | #define CONFIG_SYS_FAST_CLK |
| 104 | #ifdef CONFIG_SYS_FAST_CLK |
| 105 | # define CONFIG_SYS_PLLCR 0x1243E054 |
| 106 | # define CONFIG_SYS_CLK 140000000 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 107 | #else |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 108 | # define CONFIG_SYS_PLLCR 0x135a4140 |
| 109 | # define CONFIG_SYS_CLK 70000000 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 110 | #endif |
| 111 | |
| 112 | /* |
| 113 | * Low Level Configuration Settings |
| 114 | * (address mappings, register initial values, etc.) |
| 115 | * You should know what you are doing if you make changes here. |
| 116 | */ |
| 117 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 118 | #define CONFIG_SYS_MBAR 0x10000000 /* Register Base Addrs */ |
| 119 | #define CONFIG_SYS_MBAR2 0x80000000 /* Module Base Addrs 2 */ |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 120 | |
| 121 | /* |
| 122 | * Definitions for initial stack pointer and data area (in DPRAM) |
| 123 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 124 | #define CONFIG_SYS_INIT_RAM_ADDR 0x20000000 |
Wolfgang Denk | 1c2e98e | 2010-10-26 13:32:32 +0200 | [diff] [blame] | 125 | #define CONFIG_SYS_INIT_RAM_SIZE 0x10000 /* Size of used area in internal SRAM */ |
Wolfgang Denk | 0191e47 | 2010-10-26 14:34:52 +0200 | [diff] [blame] | 126 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 127 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 128 | |
| 129 | /* |
| 130 | * Start addresses for the final memory configuration |
| 131 | * (Set up by the startup code) |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 132 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 133 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 134 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 |
| 135 | #define CONFIG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */ |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 136 | |
| 137 | #ifdef CONFIG_MONITOR_IS_IN_RAM |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 138 | # define CONFIG_SYS_MONITOR_BASE 0x20000 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 139 | #else |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 140 | # define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400) |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 141 | #endif |
| 142 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 143 | #define CONFIG_SYS_MONITOR_LEN 0x40000 |
| 144 | #define CONFIG_SYS_MALLOC_LEN (256 << 10) |
| 145 | #define CONFIG_SYS_BOOTPARAMS_LEN (64*1024) |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 146 | |
| 147 | /* |
| 148 | * For booting Linux, the board info and command line data |
| 149 | * have to be in the first 8 MB of memory, since this is |
| 150 | * the maximum mapped by the Linux kernel during initialization ?? |
| 151 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 152 | #define CONFIG_SYS_BOOTMAPSZ (CONFIG_SYS_SDRAM_BASE + (CONFIG_SYS_SDRAM_SIZE << 20)) |
TsiChung Liew | 25a0063 | 2009-01-27 12:57:47 +0000 | [diff] [blame] | 153 | #define CONFIG_SYS_BOOTM_LEN (CONFIG_SYS_SDRAM_SIZE << 20) |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 154 | |
| 155 | /* FLASH organization */ |
TsiChung Liew | 7f1a046 | 2008-10-21 10:03:07 +0000 | [diff] [blame] | 156 | #define CONFIG_SYS_FLASH_BASE (CONFIG_SYS_CS0_BASE) |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 157 | #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
| 158 | #define CONFIG_SYS_MAX_FLASH_SECT 2048 /* max number of sectors on one chip */ |
| 159 | #define CONFIG_SYS_FLASH_ERASE_TOUT 1000 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 160 | |
| 161 | #define FLASH_SST6401B 0x200 |
| 162 | #define SST_ID_xF6401B 0x236D236D |
| 163 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 164 | #undef CONFIG_SYS_FLASH_CFI |
| 165 | #ifdef CONFIG_SYS_FLASH_CFI |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 166 | /* |
| 167 | * Unable to use CFI driver, due to incompatible sector erase command by SST. |
| 168 | * Amd/Atmel use 0x30 for sector erase, SST use 0x50. |
| 169 | * 0x30 is block erase in SST |
| 170 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 7298b0b | 2008-08-15 18:32:41 +0200 | [diff] [blame] | 171 | # define CONFIG_FLASH_CFI_DRIVER 1 |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 172 | # define CONFIG_SYS_FLASH_SIZE 0x800000 |
| 173 | # define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 174 | # define CONFIG_FLASH_CFI_LEGACY |
| 175 | #else |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 176 | # define CONFIG_SYS_SST_SECT 2048 |
| 177 | # define CONFIG_SYS_SST_SECTSZ 0x1000 |
| 178 | # define CONFIG_SYS_FLASH_WRITE_TOUT 500 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 179 | #endif |
| 180 | |
| 181 | /* Cache Configuration */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 182 | #define CONFIG_SYS_CACHELINE_SIZE 16 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 183 | |
TsiChung Liew | 0ee47d4 | 2010-03-11 22:12:53 -0600 | [diff] [blame] | 184 | #define ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \ |
Wolfgang Denk | 1c2e98e | 2010-10-26 13:32:32 +0200 | [diff] [blame] | 185 | CONFIG_SYS_INIT_RAM_SIZE - 8) |
TsiChung Liew | 0ee47d4 | 2010-03-11 22:12:53 -0600 | [diff] [blame] | 186 | #define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \ |
Wolfgang Denk | 1c2e98e | 2010-10-26 13:32:32 +0200 | [diff] [blame] | 187 | CONFIG_SYS_INIT_RAM_SIZE - 4) |
TsiChung Liew | 0ee47d4 | 2010-03-11 22:12:53 -0600 | [diff] [blame] | 188 | #define CONFIG_SYS_ICACHE_INV (CF_CACR_DCM) |
| 189 | #define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_FLASH_BASE | \ |
| 190 | CF_ADDRMASK(8) | \ |
| 191 | CF_ACR_EN | CF_ACR_SM_ALL) |
| 192 | #define CONFIG_SYS_CACHE_ACR1 (CONFIG_SYS_SDRAM_BASE | \ |
| 193 | CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ |
| 194 | CF_ACR_EN | CF_ACR_SM_ALL) |
| 195 | #define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CEIB | \ |
| 196 | CF_CACR_DBWE) |
| 197 | |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 198 | /* Port configuration */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 199 | #define CONFIG_SYS_FECI2C 0xF0 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 200 | |
TsiChung Liew | 7f1a046 | 2008-10-21 10:03:07 +0000 | [diff] [blame] | 201 | #define CONFIG_SYS_CS0_BASE 0xFF800000 |
| 202 | #define CONFIG_SYS_CS0_MASK 0x007F0021 |
| 203 | #define CONFIG_SYS_CS0_CTRL 0x00001D80 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 204 | |
TsiChung Liew | 7f1a046 | 2008-10-21 10:03:07 +0000 | [diff] [blame] | 205 | #define CONFIG_SYS_CS1_BASE 0xE0000000 |
| 206 | #define CONFIG_SYS_CS1_MASK 0x00000001 |
| 207 | #define CONFIG_SYS_CS1_CTRL 0x00003DD8 |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 208 | |
| 209 | /*----------------------------------------------------------------------- |
| 210 | * Port configuration |
| 211 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 212 | #define CONFIG_SYS_GPIO_FUNC 0x00000008 /* Set gpio pins: none */ |
| 213 | #define CONFIG_SYS_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54 */ |
| 214 | #define CONFIG_SYS_GPIO_EN 0x00000008 /* Set gpio output enable */ |
| 215 | #define CONFIG_SYS_GPIO1_EN 0x00c70000 /* Set gpio output enable */ |
| 216 | #define CONFIG_SYS_GPIO_OUT 0x00000008 /* Set outputs to default state */ |
| 217 | #define CONFIG_SYS_GPIO1_OUT 0x00c70000 /* Set outputs to default state */ |
| 218 | #define CONFIG_SYS_GPIO1_LED 0x00400000 /* user led */ |
TsiChung Liew | dd8513c | 2008-07-23 17:11:47 -0500 | [diff] [blame] | 219 | |
| 220 | #endif /* _M5253DEMO_H */ |