blob: d1f0b12b0ef200f6861957d1b3ee732c7ee73ea6 [file] [log] [blame]
Heiko Schocher67fa8c22010-02-22 16:43:02 +05301/*
2 * (C) Copyright 2009
3 * Marvell Semiconductor <www.marvell.com>
4 * Prafulla Wadaskar <prafulla@marvell.com>
5 *
6 * (C) Copyright 2009
7 * Stefan Roese, DENX Software Engineering, sr@denx.de.
8 *
Heiko Schocherb11f53f2011-03-15 16:52:29 +01009 * (C) Copyright 2010-2011
10 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
11 *
Wolfgang Denk1a459662013-07-08 09:37:19 +020012 * SPDX-License-Identifier: GPL-2.0+
Heiko Schocher67fa8c22010-02-22 16:43:02 +053013 */
14
Heiko Schocherb11f53f2011-03-15 16:52:29 +010015/*
16 * for linking errors see
17 * http://lists.denx.de/pipermail/u-boot/2009-July/057350.html
18 */
Heiko Schocher67fa8c22010-02-22 16:43:02 +053019
20#ifndef _CONFIG_KM_ARM_H
21#define _CONFIG_KM_ARM_H
22
Valentin Longchamp8e59f8b2014-10-03 11:46:53 +020023
Valentin Longchamp8620ca22011-11-01 17:26:36 +053024/* We got removed from Linux mach-types.h */
25#define MACH_TYPE_KM_KIRKWOOD 2255
26
Heiko Schocher67fa8c22010-02-22 16:43:02 +053027/*
28 * High Level Configuration Options (easy to change)
29 */
30#define CONFIG_MARVELL
Heiko Schocher67fa8c22010-02-22 16:43:02 +053031#define CONFIG_FEROCEON_88FR131 /* CPU Core subversion */
Heiko Schocher67fa8c22010-02-22 16:43:02 +053032#define CONFIG_KW88F6281 /* SOC Name */
Holger Brunck802d9962011-03-14 15:31:19 +010033#define CONFIG_MACH_KM_KIRKWOOD /* Machine type */
Heiko Schocher67fa8c22010-02-22 16:43:02 +053034
Valentin Longchamp8620ca22011-11-01 17:26:36 +053035#define CONFIG_MACH_TYPE MACH_TYPE_KM_KIRKWOOD
36
Holger Brunckdfeafde2013-01-15 22:51:21 +000037#define CONFIG_NAND_ECC_BCH
38#define CONFIG_BCH
39
Heiko Schocher67fa8c22010-02-22 16:43:02 +053040/* include common defines/options for all Keymile boards */
41#include "keymile-common.h"
Holger Brunckde3ad132011-03-14 16:01:04 +010042
Holger Brunckb5befd82011-06-16 18:11:15 +053043#define CONFIG_CMD_NAND
44#define CONFIG_CMD_SF
Holger Brunckb5befd82011-06-16 18:11:15 +053045
Valentin Longchampf46b4a12012-08-14 01:39:10 +000046/* SPI NOR Flash default params, used by sf commands */
47#define CONFIG_SF_DEFAULT_SPEED 8100000
48#define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
49
Holger Brunck8170aef2012-07-05 05:37:46 +000050#if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
51#define CONFIG_ENV_SPI_BUS 0
52#define CONFIG_ENV_SPI_CS 0
Valentin Longchamp05c8e812012-08-14 01:37:11 +000053#define CONFIG_ENV_SPI_MAX_HZ 8100000
Holger Brunck8170aef2012-07-05 05:37:46 +000054#define CONFIG_ENV_SPI_MODE SPI_MODE_3
55#endif
56
Valentin Longchampac5b00e2013-10-18 11:47:15 +020057/* Reserve 4 MB for malloc */
58#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
59
Holger Brunckb5befd82011-06-16 18:11:15 +053060#include "asm/arch/config.h"
61
Valentin Longchampe5847b72011-09-12 04:18:41 +000062#define CONFIG_SYS_TEXT_BASE 0x07d00000 /* code address before reloc */
Holger Brunckde3ad132011-03-14 16:01:04 +010063#define CONFIG_SYS_MEMTEST_START 0x00400000 /* 4M */
64#define CONFIG_SYS_MEMTEST_END 0x007fffff /*(_8M -1) */
65#define CONFIG_SYS_LOAD_ADDR 0x00800000 /* default load adr- 8M */
66
67/* pseudo-non volatile RAM [hex] */
68#define CONFIG_KM_PNVRAM 0x80000
69/* physical RAM MTD size [hex] */
70#define CONFIG_KM_PHRAM 0x17F000
71
72#define CONFIG_KM_CRAMFS_ADDR 0x2400000
Gerlando Falauto7b2268b2014-01-27 16:58:27 +010073#define CONFIG_KM_KERNEL_ADDR 0x2000000 /* 3098KBytes */
74#define CONFIG_KM_FDT_ADDR 0x23E0000 /* 128KBytes */
Holger Brunckde3ad132011-03-14 16:01:04 +010075
Holger Brunckdb0bb572011-07-04 21:27:16 +000076/* architecture specific default bootargs */
77#define CONFIG_KM_DEF_BOOT_ARGS_CPU \
Holger Brunck66072a82011-09-13 22:41:04 +000078 "bootcountaddr=${bootcountaddr} ${mtdparts}" \
79 " boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"
Holger Brunckdb0bb572011-07-04 21:27:16 +000080
Holger Brunckde3ad132011-03-14 16:01:04 +010081#define CONFIG_KM_DEF_ENV_CPU \
Marek Vasut93ea89f2012-09-23 17:41:23 +020082 "u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.kwb\0" \
Holger Brunckaf85f082012-05-25 01:57:16 +000083 CONFIG_KM_UPDATE_UBOOT \
Gerlando Falautob1c2a7a2014-01-27 16:58:28 +010084 "set_fdthigh=setenv fdt_high ${kernelmem}\0" \
Valentin Longchampc6d32df2015-11-13 16:15:20 +010085 "checkfdt=" \
86 "if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; " \
87 "then true; else setenv cramfsloadfdt true; " \
88 "setenv boot bootm ${load_addr_r}; " \
89 "echo No FDT found, booting with the kernel " \
90 "appended one; fi\0" \
Holger Brunckde3ad132011-03-14 16:01:04 +010091 ""
92
Heiko Schocher67fa8c22010-02-22 16:43:02 +053093#define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */
Heiko Schocher67fa8c22010-02-22 16:43:02 +053094#define CONFIG_MISC_INIT_R
95
Gerlando Falauto7b2268b2014-01-27 16:58:27 +010096/* Pass open firmware flat tree */
97#define CONFIG_OF_LIBFDT
98
Heiko Schocher67fa8c22010-02-22 16:43:02 +053099/*
100 * NS16550 Configuration
101 */
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530102#define CONFIG_SYS_NS16550_SERIAL
103#define CONFIG_SYS_NS16550_REG_SIZE (-4)
104#define CONFIG_SYS_NS16550_CLK CONFIG_SYS_TCLK
105#define CONFIG_SYS_NS16550_COM1 KW_UART0_BASE
Holger Brunck3d3c7092011-05-31 02:12:49 +0000106#define CONFIG_SYS_NS16550_COM2 KW_UART1_BASE
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530107
108/*
109 * Serial Port configuration
110 * The following definitions let you select what serial you want to use
111 * for your console driver.
112 */
113
114#define CONFIG_CONS_INDEX 1 /* Console on UART0 */
115
116/*
117 * For booting Linux, the board info and command line data
118 * have to be in the first 8 MB of memory, since this is
119 * the maximum mapped by the Linux kernel during initialization.
120 */
121#define CONFIG_BOOTMAPSZ (8 << 20) /* Initial Memmap for Linux */
122#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
123#define CONFIG_INITRD_TAG /* enable INITRD tag */
Holger Brunck499b1a42011-04-08 02:47:46 +0000124#define CONFIG_SETUP_MEMORY_TAGS /* enable memory tag */
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530125
126/*
127 * Commands configuration
128 */
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530129#define CONFIG_CMD_MTDPARTS
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530130
131/*
132 * Without NOR FLASH we need this
133 */
134#define CONFIG_SYS_NO_FLASH
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530135
136/*
137 * NAND Flash configuration
138 */
139#define CONFIG_SYS_MAX_NAND_DEVICE 1
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530140
141#define BOOTFLASH_START 0x0
142
Holger Brunck3d3c7092011-05-31 02:12:49 +0000143/* Kirkwood has two serial IF */
144#if (CONFIG_CONS_INDEX == 2)
145#define CONFIG_KM_CONSOLE_TTY "ttyS1"
146#else
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530147#define CONFIG_KM_CONSOLE_TTY "ttyS0"
Holger Brunck3d3c7092011-05-31 02:12:49 +0000148#endif
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530149
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530150/*
151 * Other required minimal configurations
152 */
153#define CONFIG_CONSOLE_INFO_QUIET /* some code reduction */
154#define CONFIG_ARCH_CPU_INIT /* call arch_cpu_init() */
155#define CONFIG_ARCH_MISC_INIT /* call arch_misc_init() */
156#define CONFIG_DISPLAY_CPUINFO /* Display cpu info */
157#define CONFIG_NR_DRAM_BANKS 4
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530158#define CONFIG_SYS_RESET_ADDRESS 0xffff0000 /* Rst Vector Adr */
159
160/*
161 * Ethernet Driver configuration
162 */
163#define CONFIG_NETCONSOLE /* include NetConsole support */
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530164#define CONFIG_MII /* expose smi ove miiphy interface */
Valentin Longchamp002ec082012-05-25 01:57:20 +0000165#define CONFIG_CMD_MII /* to debug mdio phy config */
Albert Aribaudd44265a2010-07-12 22:24:28 +0200166#define CONFIG_MVGBE /* Enable Marvell Gbe Controller Driver */
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530167#define CONFIG_SYS_FAULT_ECHO_LINK_DOWN /* detect link using phy */
Albert Aribaudd44265a2010-07-12 22:24:28 +0200168#define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530169#define CONFIG_PHY_BASE_ADR 0
170#define CONFIG_ENV_OVERWRITE /* ethaddr can be reprogrammed */
Valentin Longchamp99f62492013-10-18 11:47:18 +0200171#define CONFIG_KM_COMMON_ETH_INIT /* standard km ethernet_present for piggy */
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530172
173/*
174 * UBI related stuff
175 */
176#define CONFIG_SYS_USE_UBI
177
178/*
179 * I2C related stuff
180 */
Heiko Schocherea818db2013-01-29 08:53:15 +0100181#undef CONFIG_I2C_MVTWSI
182#define CONFIG_SYS_I2C
183#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
Valentin Longchamp0a4f88b2013-10-18 11:47:17 +0200184#define CONFIG_SYS_I2C_INIT_BOARD
Heiko Schocherea818db2013-01-29 08:53:15 +0100185
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530186#define CONFIG_KIRKWOOD_GPIO /* Enable GPIO Support */
Heiko Schocherea818db2013-01-29 08:53:15 +0100187#define CONFIG_SYS_NUM_I2C_BUSES 6
188#define CONFIG_SYS_I2C_MAX_HOPS 1
189#define CONFIG_SYS_I2C_BUSES { {0, {I2C_NULL_HOP} }, \
190 {0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
191 {0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
192 {0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
193 {0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
194 {0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
195 }
196
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530197#ifndef __ASSEMBLY__
Masahiro Yamadaea385722015-02-20 17:04:15 +0900198#include <asm/arch/gpio.h>
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530199extern void __set_direction(unsigned pin, int high);
Holger Brunck499b1a42011-04-08 02:47:46 +0000200void set_sda(int state);
201void set_scl(int state);
202int get_sda(void);
203int get_scl(void);
Heiko Schocher44097e22011-02-22 09:13:00 +0100204#define KM_KIRKWOOD_SDA_PIN 8
205#define KM_KIRKWOOD_SCL_PIN 9
Holger Brunckc471d842012-07-05 05:05:11 +0000206#define KM_KIRKWOOD_SOFT_I2C_GPIOS 0x0300
Heiko Schocher44097e22011-02-22 09:13:00 +0100207#define KM_KIRKWOOD_ENV_WP 38
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530208
Heiko Schocher44097e22011-02-22 09:13:00 +0100209#define I2C_ACTIVE __set_direction(KM_KIRKWOOD_SDA_PIN, 0)
210#define I2C_TRISTATE __set_direction(KM_KIRKWOOD_SDA_PIN, 1)
211#define I2C_READ (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
212#define I2C_SDA(bit) kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
213#define I2C_SCL(bit) kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530214#endif
215
Holger Brunck9e9c6d72011-12-14 05:31:19 +0000216#define I2C_DELAY udelay(1)
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530217#define I2C_SOFT_DECLARATIONS
218
Heiko Schocherea818db2013-01-29 08:53:15 +0100219#define CONFIG_SYS_I2C_SOFT_SLAVE 0x0
220#define CONFIG_SYS_I2C_SOFT_SPEED 100000
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530221
Stefan Bigler4daea6f2011-07-04 22:24:01 +0000222/* EEprom support 24C128, 24C256 valid for environment eeprom */
Stefan Bigler4daea6f2011-07-04 22:24:01 +0000223#define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
224#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 Byte write page */
225#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
226
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530227#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
228#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
229
Heiko Schocher331a30d2011-02-22 08:30:46 +0100230/*
231 * Environment variables configurations
232 */
Holger Brunck8170aef2012-07-05 05:37:46 +0000233#if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
234#define CONFIG_ENV_IS_IN_SPI_FLASH /* use SPI-Flash for environment vars */
235#define CONFIG_ENV_OFFSET 0xc0000 /* no bracets! */
236#define CONFIG_ENV_SIZE 0x02000 /* Size of Environment */
237#define CONFIG_ENV_SECT_SIZE 0x10000
238#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + \
239 CONFIG_ENV_SECT_SIZE)
240#define CONFIG_ENV_TOTAL_SIZE 0x20000 /* no bracets! */
241#else
Heiko Schocher331a30d2011-02-22 08:30:46 +0100242#define CONFIG_ENV_IS_IN_EEPROM /* use EEPROM for environment vars */
243#define CONFIG_SYS_DEF_EEPROM_ADDR 0x50
244#define CONFIG_ENV_EEPROM_IS_ON_I2C
245#define CONFIG_SYS_EEPROM_WREN
246#define CONFIG_ENV_OFFSET 0x0 /* no bracets! */
Heiko Schocher331a30d2011-02-22 08:30:46 +0100247#define CONFIG_ENV_SIZE (0x2000 - CONFIG_ENV_OFFSET)
Valentin Longchamp716e4ff2015-11-13 15:01:14 +0100248#define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */
Heiko Schocher331a30d2011-02-22 08:30:46 +0100249#define CONFIG_ENV_OFFSET_REDUND 0x2000 /* no bracets! */
250#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
Holger Brunck8170aef2012-07-05 05:37:46 +0000251#endif
252
253#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
Heiko Schocher331a30d2011-02-22 08:30:46 +0100254
Heiko Schocher331a30d2011-02-22 08:30:46 +0100255
Valentin Longchamp0c25def2012-06-13 03:01:03 +0000256/* SPI bus claim MPP configuration */
257#define CONFIG_SYS_KW_SPI_MPP 0x0
258
Heiko Schocher331a30d2011-02-22 08:30:46 +0100259#define FLASH_GPIO_PIN 0x00010000
Valentin Longchamp0c25def2012-06-13 03:01:03 +0000260#define KM_FLASH_GPIO_PIN 16
Heiko Schocher331a30d2011-02-22 08:30:46 +0100261
Andreas Hubercf736392012-05-04 10:30:16 +0200262#ifndef MTDIDS_DEFAULT
263# define MTDIDS_DEFAULT "nand0=orion_nand"
264#endif /* MTDIDS_DEFAULT */
265
266#ifndef MTDPARTS_DEFAULT
267# define MTDPARTS_DEFAULT "mtdparts=" \
268 "orion_nand:" \
269 "-(" CONFIG_KM_UBI_PARTITION_NAME_BOOT ");"
270#endif /* MTDPARTS_DEFAULT */
Heiko Schocher331a30d2011-02-22 08:30:46 +0100271
Holger Brunckaf85f082012-05-25 01:57:16 +0000272#define CONFIG_KM_UPDATE_UBOOT \
Heiko Schocher331a30d2011-02-22 08:30:46 +0100273 "update=" \
Valentin Longchamp0c25def2012-06-13 03:01:03 +0000274 "sf probe 0;sf erase 0 +${filesize};" \
275 "sf write ${load_addr_r} 0 ${filesize};\0"
Heiko Schocher331a30d2011-02-22 08:30:46 +0100276
Holger Brunck8170aef2012-07-05 05:37:46 +0000277#if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
278#define CONFIG_KM_NEW_ENV \
279 "newenv=sf probe 0;" \
Marek Vasut93ea89f2012-09-23 17:41:23 +0200280 "sf erase " __stringify(CONFIG_ENV_OFFSET) " " \
281 __stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
Holger Brunck8170aef2012-07-05 05:37:46 +0000282#else
283#define CONFIG_KM_NEW_ENV \
Valentin Longchampea616d42011-05-31 02:12:46 +0000284 "newenv=setenv addr 0x100000 && " \
Holger Brunck67bfae32013-05-06 02:54:38 +0000285 "i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; " \
286 "mw.b ${addr} 0 4 && " \
Marek Vasut93ea89f2012-09-23 17:41:23 +0200287 "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \
288 " ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && " \
289 "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \
290 " ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
Holger Brunck8170aef2012-07-05 05:37:46 +0000291#endif
292
Holger Brunck56cde172014-01-27 16:58:25 +0100293#ifndef CONFIG_KM_BOARD_EXTRA_ENV
294#define CONFIG_KM_BOARD_EXTRA_ENV ""
295#endif
296
Holger Brunck8170aef2012-07-05 05:37:46 +0000297/*
298 * Default environment variables
299 */
300#define CONFIG_EXTRA_ENV_SETTINGS \
Holger Brunck56cde172014-01-27 16:58:25 +0100301 CONFIG_KM_BOARD_EXTRA_ENV \
Holger Brunck8170aef2012-07-05 05:37:46 +0000302 CONFIG_KM_DEF_ENV \
303 CONFIG_KM_NEW_ENV \
Holger Brunckb648bfc2011-07-04 21:52:52 +0000304 "arch=arm\0" \
Valentin Longchampea616d42011-05-31 02:12:46 +0000305 ""
306
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530307#if defined(CONFIG_SYS_NO_FLASH)
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530308#undef CONFIG_FLASH_CFI_MTD
309#undef CONFIG_JFFS2_CMDLINE
310#endif
311
Heiko Schochera784c012010-09-22 14:06:33 +0200312/* additions for new relocation code, must be added to all boards */
Heiko Schocherab86f722010-09-17 13:10:42 +0200313#define CONFIG_SYS_SDRAM_BASE 0x00000000
Heiko Schocher6b0ccc32010-10-20 19:33:26 +0530314/* Do early setups now in board_init_f() */
315#define CONFIG_BOARD_EARLY_INIT_F
Heiko Schocherf1fef1d2010-04-26 13:07:28 +0200316
317/*
318 * resereved pram area at the end of memroy [hex]
319 * 8Mbytes for switch + 4Kbytes for bootcount
320 */
321#define CONFIG_KM_RESERVED_PRAM 0x801000
Holger Bruncka21b5d42011-03-04 14:56:27 +0100322/* address for the bootcount (taken from end of RAM) */
323#define BOOTCOUNT_ADDR (CONFIG_KM_RESERVED_PRAM)
Stefan Roese0044c422012-08-16 17:55:41 +0000324/* Use generic bootcount RAM driver */
325#define CONFIG_BOOTCOUNT_RAM
Heiko Schocherf1fef1d2010-04-26 13:07:28 +0200326
Valentin Longchamp9400f8f2011-09-12 04:18:42 +0000327/* enable POST tests */
328#define CONFIG_POST (CONFIG_SYS_POST_MEM_REGIONS)
329#define CONFIG_POST_SKIP_ENV_FLAGS
330#define CONFIG_POST_EXTERNAL_WORD_FUNCS
331#define CONFIG_CMD_DIAG
332
Valentin Longchampb37f7722012-07-05 05:05:05 +0000333/* we do the whole PCIe FPGA config stuff here */
Holger Brunck45bd01e2013-01-15 22:51:20 +0000334#define CONFIG_BOARD_LATE_INIT
Valentin Longchampb37f7722012-07-05 05:05:05 +0000335
Heiko Schocher67fa8c22010-02-22 16:43:02 +0530336#endif /* _CONFIG_KM_ARM_H */