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openwrt/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c

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/*
* $Id$
*
* Copyright (C) 2007 OpenWrt.org
* Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
*
* 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.
*/
#include <linux/types.h>
#include <linux/autoconf.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/string.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include <asm/mach-adm5120/adm5120_defs.h>
#include <asm/mach-adm5120/adm5120_switch.h>
#include <asm/mach-adm5120/adm5120_info.h>
#include <asm/mach-adm5120/myloader.h>
#include <asm/mach-adm5120/routerboot.h>
#include <asm/mach-adm5120/zynos.h>
/*
* Globals
*/
struct adm5120_board adm5120_board;
unsigned int adm5120_boot_loader;
unsigned int adm5120_product_code;
unsigned int adm5120_revision;
unsigned int adm5120_package;
unsigned int adm5120_nand_boot;
unsigned long adm5120_speed;
/*
* Locals
*/
static char *boot_loader_names[BOOT_LOADER_LAST+1] = {
[BOOT_LOADER_UNKNOWN] = "Unknown",
[BOOT_LOADER_CFE] = "CFE",
[BOOT_LOADER_UBOOT] = "U-Boot",
[BOOT_LOADER_MYLOADER] = "MyLoader",
[BOOT_LOADER_ROUTERBOOT]= "RouterBOOT",
[BOOT_LOADER_BOOTBASE] = "Bootbase"
};
static struct adm5120_board __initdata adm5120_boards[] = {
{
.name = "Compex NetPassage 27G",
.mach_type = MACH_ADM5120_NP27G,
.has_usb = 1,
.iface_num = 5,
.flash0_size = 4*1024*1024,
},
{
.name = "Compex NetPassage 28G",
.mach_type = MACH_ADM5120_NP28G,
.has_usb = 0,
.iface_num = 4,
.flash0_size = 4*1024*1024,
},
{
.name = "Compex NP28G (HotSpot)",
.mach_type = MACH_ADM5120_NP28GHS,
.has_usb = 0,
.iface_num = 4,
.flash0_size = 4*1024*1024,
},
{
.name = "Compex WP54AG",
.mach_type = MACH_ADM5120_WP54AG,
.has_usb = 0,
.iface_num = 2,
.flash0_size = 4*1024*1024,
},
{
.name = "Compex WP54G",
.mach_type = MACH_ADM5120_WP54G,
.has_usb = 0,
.iface_num = 2,
.flash0_size = 4*1024*1024,
},
{
.name = "Compex WP54G-WRT",
.mach_type = MACH_ADM5120_WP54G_WRT,
.has_usb = 0,
.iface_num = 2,
.flash0_size = 4*1024*1024,
},
{
.name = "Compex WP54G v1C",
.mach_type = MACH_ADM5120_WP54Gv1C,
.has_usb = 0,
.iface_num = 2,
.flash0_size = 2*1024*1024,
},
{
.name = "Compex WPP54AG",
.mach_type = MACH_ADM5120_WPP54AG,
.has_usb = 0,
.iface_num = 2,
.flash0_size = 4*1024*1024,
},
{
.name = "Compex WPP54G",
.mach_type = MACH_ADM5120_WPP54G,
.has_usb = 0,
.iface_num = 2,
.flash0_size = 4*1024*1024,
},
{
.name = "RouterBOARD 111",
.mach_type = MACH_ADM5120_RB_111,
.has_usb = 0,
.iface_num = 1,
.flash0_size = 128*1024,
},
{
.name = "RouterBOARD 112",
.mach_type = MACH_ADM5120_RB_112,
.has_usb = 0,
.iface_num = 1,
.flash0_size = 128*1024,
},
{
.name = "RouterBOARD 133",
.mach_type = MACH_ADM5120_RB_133,
.has_usb = 0,
.iface_num = 3,
.flash0_size = 128*1024,
},
{
.name = "RouterBOARD 133C",
.mach_type = MACH_ADM5120_RB_133C,
.has_usb = 0,
.iface_num = 1,
.flash0_size = 128*1024,
},
{
.name = "RouterBOARD 150",
.mach_type = MACH_ADM5120_RB_150,
.has_usb = 0,
.iface_num = 5,
.flash0_size = 128*1024,
},
{
.name = "RouterBOARD 153",
.mach_type = MACH_ADM5120_RB_153,
.has_usb = 0,
.iface_num = 5,
.flash0_size = 128*1024,
},
{
.name = "ZyXEL ES-2108",
.mach_type = MACH_ADM5120_ES2108,
.has_usb = 0,
.iface_num = 0,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL ES-2108-F",
.mach_type = MACH_ADM5120_ES2108F,
.has_usb = 0,
.iface_num = 0,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL ES-2108-G",
.mach_type = MACH_ADM5120_ES2108G,
.has_usb = 0,
.iface_num = 0,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL ES-2108-LC",
.mach_type = MACH_ADM5120_ES2108LC,
.has_usb = 0,
.iface_num = 0,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL ES-2108PWR",
.mach_type = MACH_ADM5120_ES2108PWR,
.has_usb = 0,
.iface_num = 0,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL HomeSafe 100/100W",
.mach_type = MACH_ADM5120_HS100,
.has_usb = 0,
.iface_num = 5,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL Prestige 334",
.mach_type = MACH_ADM5120_P334,
.has_usb = 0,
.iface_num = 5,
.flash0_size = 2*1024*1024,
},
{
.name = "ZyXEL Prestige 334U",
.mach_type = MACH_ADM5120_P334U,
.has_usb = 0,
.iface_num = 5,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL Prestige 334W",
.mach_type = MACH_ADM5120_P334W,
.has_usb = 0,
.iface_num = 5,
.flash0_size = 2*1024*1024,
},
{
.name = "ZyXEL Prestige 334WH",
.mach_type = MACH_ADM5120_P334WH,
.has_usb = 0,
.iface_num = 5,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL Prestige 334WHD",
.mach_type = MACH_ADM5120_P334WHD,
.has_usb = 0,
.iface_num = 5,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL Prestige 334WT",
.mach_type = MACH_ADM5120_P334WT,
.has_usb = 1,
.iface_num = 5,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL Prestige 335/335WT",
.mach_type = MACH_ADM5120_P335,
.has_usb = 1,
.iface_num = 5,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL Prestige 335Plus",
.mach_type = MACH_ADM5120_P335PLUS,
.has_usb = 1,
.iface_num = 5,
.flash0_size = 4*1024*1024,
},
{
.name = "ZyXEL Prestige 335U",
.mach_type = MACH_ADM5120_P335U,
.has_usb = 1,
.iface_num = 5,
.flash0_size = 4*1024*1024,
},
{
.name = "Unknown ADM5120 board",
.mach_type = MACH_ADM5120_UNKNOWN,
.has_usb = 1,
.iface_num = 5,
.flash0_size = 0,
}
};
#define DUMMY_BOARD() {.mach_type = MACH_ADM5120_UNKNOWN}
struct mylo_board {
u16 vid;
u16 did;
u16 svid;
u16 sdid;
unsigned long mach_type;
};
#define MYLO_BOARD(v,d,sv,sd,mt) { .vid = (v), .did = (d), .svid = (sv), \
.sdid = (sd), .mach_type = (mt) }
#define COMPEX_BOARD(d,mt) MYLO_BOARD(VENID_COMPEX,(d),VENID_COMPEX,(d),(mt))
static struct mylo_board __initdata mylo_boards[] = {
COMPEX_BOARD(DEVID_COMPEX_NP27G, MACH_ADM5120_NP27G),
COMPEX_BOARD(DEVID_COMPEX_NP28G, MACH_ADM5120_NP28G),
COMPEX_BOARD(DEVID_COMPEX_NP28GHS, MACH_ADM5120_NP28GHS),
COMPEX_BOARD(DEVID_COMPEX_WP54G, MACH_ADM5120_WP54G),
COMPEX_BOARD(DEVID_COMPEX_WP54Gv1C, MACH_ADM5120_WP54Gv1C),
COMPEX_BOARD(DEVID_COMPEX_WP54AG, MACH_ADM5120_WP54AG),
COMPEX_BOARD(DEVID_COMPEX_WPP54G, MACH_ADM5120_WPP54G),
COMPEX_BOARD(DEVID_COMPEX_WPP54AG, MACH_ADM5120_WPP54AG),
DUMMY_BOARD()
};
#define ROUTERBOARD_NAME_LEN 16
struct routerboard {
unsigned long mach_type;
char name[ROUTERBOARD_NAME_LEN];
};
#define ROUTERBOARD(n, mt) { .name = (n), .mach_type = (mt) }
static struct routerboard __initdata routerboards[] = {
ROUTERBOARD("111", MACH_ADM5120_RB_111),
ROUTERBOARD("112", MACH_ADM5120_RB_112),
ROUTERBOARD("133", MACH_ADM5120_RB_133),
ROUTERBOARD("133C", MACH_ADM5120_RB_133C),
ROUTERBOARD("miniROUTER", MACH_ADM5120_RB_150),
ROUTERBOARD("153", MACH_ADM5120_RB_150),
DUMMY_BOARD()
};
struct zynos_board {
unsigned long mach_type;
unsigned int vendor_id;
u16 board_id;
};
#define ZYNOS_BOARD(vi, bi, mt) { .vendor_id = (vi), .board_id = (bi), \
.mach_type = (mt) }
#define ZYXEL_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_ZYXEL, bi, mt)
#define DLINK_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_DLINK, bi, mt)
#define LUCENT_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_LUCENT, bi, mt)
static struct zynos_board __initdata zynos_boards[] = {
ZYXEL_BOARD(ZYNOS_BOARD_HS100, MACH_ADM5120_HS100),
ZYXEL_BOARD(ZYNOS_BOARD_P334, MACH_ADM5120_P334),
ZYXEL_BOARD(ZYNOS_BOARD_P334U, MACH_ADM5120_P334U),
ZYXEL_BOARD(ZYNOS_BOARD_P334W, MACH_ADM5120_P334W),
ZYXEL_BOARD(ZYNOS_BOARD_P334WH, MACH_ADM5120_P334WH),
ZYXEL_BOARD(ZYNOS_BOARD_P334WHD, MACH_ADM5120_P334WHD),
ZYXEL_BOARD(ZYNOS_BOARD_P334WT, MACH_ADM5120_P334WT),
ZYXEL_BOARD(ZYNOS_BOARD_P335, MACH_ADM5120_P335),
ZYXEL_BOARD(ZYNOS_BOARD_P335PLUS, MACH_ADM5120_P335PLUS),
ZYXEL_BOARD(ZYNOS_BOARD_P335U, MACH_ADM5120_P335U),
DUMMY_BOARD()
};
/*
* Helper routines
*/
static inline u16 read_le16(void *buf)
{
u8 *p;
p = buf;
return ((u16)p[0] + ((u16)p[1] << 8));
}
static inline u32 read_le32(void *buf)
{
u8 *p;
p = buf;
return ((u32)p[0] + ((u32)p[1] << 8) + ((u32)p[2] << 16) +
((u32)p[3] << 24));
}
static inline u16 read_be16(void *buf)
{
u8 *p;
p = buf;
return (((u16)p[0] << 8) + (u16)p[1]);
}
static inline u32 read_be32(void *buf)
{
u8 *p;
p = buf;
return (((u32)p[0] << 24) + ((u32)p[1] << 16) + ((u32)p[2] << 8) +
((u32)p[3]));
}
/*
* CFE based boards
*/
#define CFE_EPTSEAL 0x43464531 /* CFE1 is the magic number to recognize CFE
from other bootloaders */
static int __init cfe_present(void)
{
/*
* This method only works, when we are booted directly from the CFE.
*/
u32 cfe_handle = (u32) fw_arg0;
u32 cfe_a1_val = (u32) fw_arg1;
u32 cfe_entry = (u32) fw_arg2;
u32 cfe_seal = (u32) fw_arg3;
/* Check for CFE by finding the CFE magic number */
if (cfe_seal != CFE_EPTSEAL) {
/* We are not booted from CFE */
return 0;
}
/* cfe_a1_val must be 0, because only one CPU present in the ADM5120 */
if (cfe_a1_val != 0) {
return 0;
}
/* The cfe_handle, and the cfe_entry must be kernel mode addresses */
if ((cfe_handle < KSEG0) || (cfe_entry < KSEG0)) {
return 0;
}
return 1;
}
static unsigned long __init cfe_detect_board(void)
{
return MACH_ADM5120_WP54G_WRT;
}
/*
* MyLoader based boards
*/
#define SYS_PARAMS_ADDR KSEG1ADDR(ADM5120_SRAM0_BASE+0x0F000)
#define BOARD_PARAMS_ADDR KSEG1ADDR(ADM5120_SRAM0_BASE+0x0F800)
#define PART_TABLE_ADDR KSEG1ADDR(ADM5120_SRAM0_BASE+0x10000)
static unsigned long __init myloader_detect_board(void)
{
struct mylo_system_params *sysp;
struct mylo_board_params *boardp;
struct mylo_partition_table *parts;
struct mylo_board *board;
unsigned long ret;
ret = MACH_ADM5120_UNKNOWN;
sysp = (struct mylo_system_params *)(SYS_PARAMS_ADDR);
boardp = (struct mylo_board_params *)(BOARD_PARAMS_ADDR);
parts = (struct mylo_partition_table *)(PART_TABLE_ADDR);
/* Check for some magic numbers */
if ((le32_to_cpu(sysp->magic) != MYLO_MAGIC_SYS_PARAMS) ||
(le32_to_cpu(boardp->magic) != MYLO_MAGIC_BOARD_PARAMS) ||
(le32_to_cpu(parts->magic) != MYLO_MAGIC_PARTITIONS))
goto out;
for (board = mylo_boards; board->mach_type != MACH_ADM5120_UNKNOWN;
board++) {
if ((le16_to_cpu(sysp->vid) == board->vid) &&
(le16_to_cpu(sysp->did) == board->did) &&
(le16_to_cpu(sysp->svid) == board->svid) &&
(le16_to_cpu(sysp->sdid) == board->sdid)) {
ret = board->mach_type;
break;
}
}
/* assume MyLoader as the boot-loader */
adm5120_boot_loader = BOOT_LOADER_MYLOADER;
out:
return ret;
}
/*
* RouterBOOT based boards
*/
static int __init routerboot_load_hs(u8 *buf, u16 buflen,
struct rb_hard_settings *hs)
{
u16 id,len;
u8 *mac;
int i,j;
if (buflen < 4)
return -1;
if (read_le32(buf) != RB_MAGIC_HARD)
return -1;
/* skip magic value */
buf += 4;
buflen -= 4;
while (buflen > 2) {
id = read_le16(buf);
buf += 2;
buflen -= 2;
if (id == RB_ID_TERMINATOR || buflen < 2)
break;
len = read_le16(buf);
buf += 2;
buflen -= 2;
if (buflen < len)
break;
switch (id) {
case RB_ID_BIOS_VERSION:
hs->bios_ver = (char *)buf;
break;
case RB_ID_BOARD_NAME:
hs->name = (char *)buf;
break;
case RB_ID_MEMORY_SIZE:
hs->mem_size = read_le32(buf);
break;
case RB_ID_MAC_ADDRESS_COUNT:
hs->mac_count = read_le32(buf);
break;
case RB_ID_MAC_ADDRESS_PACK:
hs->mac_count = len/RB_MAC_SIZE;
if (hs->mac_count > RB_MAX_MAC_COUNT)
hs->mac_count = RB_MAX_MAC_COUNT;
mac = buf;
for (i=0; i < hs->mac_count; i++) {
for (j=0; j < RB_MAC_SIZE; j++)
hs->macs[i][j] = mac[j];
mac += RB_MAC_SIZE;
}
break;
}
buf += len;
buflen -= len;
}
return 0;
}
#define RB_BS_OFFS 0x14
#define RB_OFFS_MAX (128*1024)
static unsigned long __init routerboot_detect_board(void)
{
struct routerboard *board;
struct rb_hard_settings hs;
struct rb_bios_settings *bs;
u8 *base;
u32 off,len;
unsigned long ret;
ret = MACH_ADM5120_UNKNOWN;
base = (u8 *)KSEG1ADDR(ADM5120_SRAM0_BASE);
bs = (struct rb_bios_settings *)(base + RB_BS_OFFS);
off = read_le32(&bs->hs_offs);
len = read_le32(&bs->hs_size);
if (off > RB_OFFS_MAX)
return ret;
memset(&hs, 0, sizeof(hs));
if (routerboot_load_hs(base+off, len, &hs) != 0)
return ret;
/* assume RouterBOOT as the boot-loader */
adm5120_boot_loader = BOOT_LOADER_ROUTERBOOT;
if (hs.name == NULL)
return ret;
for (board = routerboards; board->mach_type != MACH_ADM5120_UNKNOWN;
board++) {
if (strncmp(board->name, hs.name, strlen(board->name)) == 0) {
ret = board->mach_type;
break;
}
}
return ret;
}
/*
* ZyNOS based boards
*/
static inline u32 zynos_dbgarea_present(u8 *data)
{
u32 t;
t = read_be32(data+5);
if (t != ZYNOS_MAGIC_DBGAREA1)
return 0;
t = read_be32(data+9);
if (t != ZYNOS_MAGIC_DBGAREA2)
return 0;
return 1;
}
#define CHECK_VENDOR(n) (strnicmp(vendor,(n),strlen(n)) == 0)
static inline unsigned int zynos_get_vendor_id(struct zynos_board_info *info)
{
unsigned char vendor[ZYNOS_NAME_LEN];
int i;
for (i=0; i<ZYNOS_NAME_LEN; i++)
vendor[i]=info->vendor[i];
if CHECK_VENDOR(ZYNOS_VENDOR_ZYXEL)
return ZYNOS_VENDOR_ID_ZYXEL;
#if 0
/* TODO: there are no known ADM5120 based boards from other vendors */
if CHECK_VENDOR(ZYNOS_VENDOR_DLINK)
return ZYNOS_VENDOR_ID_DLINK;
if CHECK_VENDOR(ZYNOS_VENDOR_LUCENT)
return ZYNOS_VENDOR_ID_LUCENT;
if CHECK_VENDOR(ZYNOS_VENDOR_NETGEAR)
return ZYNOS_VENDOR_ID_NETGEAR;
#endif
return ZYNOS_VENDOR_ID_OTHER;
}
static inline u16 zynos_get_board_id(struct zynos_board_info *info)
{
return read_be16(&info->board_id);
}
static inline u32 zynos_get_bootext_addr(struct zynos_board_info *info)
{
return read_be32(&info->bootext_addr);
}
#define ZYNOS_INFO_ADDR KSEG1ADDR(ADM5120_SRAM0_BASE+0x3F90)
#define ZYNOS_HDBG_ADDR KSEG1ADDR(ADM5120_SRAM0_BASE+0x4000)
#define BOOTEXT_ADDR_MIN KSEG1ADDR(ADM5120_SRAM0_BASE)
#define BOOTEXT_ADDR_MAX (BOOTEXT_ADDR_MIN + (2*1024*1024))
static unsigned long __init zynos_detect_board(void)
{
struct zynos_board_info *info;
struct zynos_board *board;
unsigned int vendor_id;
u16 board_id;
u32 t;
unsigned long ret;
ret = MACH_ADM5120_UNKNOWN;
/* check presence of the dbgarea */
if (zynos_dbgarea_present((u8 *)ZYNOS_HDBG_ADDR) == 0)
goto out;
info = (struct zynos_board_info *)(ZYNOS_INFO_ADDR);
/* check for a valid BootExt address */
t = zynos_get_bootext_addr(info);
if ((t < BOOTEXT_ADDR_MIN) || (t > BOOTEXT_ADDR_MAX))
goto out;
vendor_id = zynos_get_vendor_id(info);
board_id = zynos_get_board_id(info);
for (board = zynos_boards; board->mach_type != MACH_ADM5120_UNKNOWN;
board++) {
if ((board->vendor_id == vendor_id) &&
(board->board_id == board_id)) {
ret = board->mach_type;
break;
}
}
/* assume Bootbase as the boot-loader */
adm5120_boot_loader = BOOT_LOADER_BOOTBASE;
out:
return ret;
}
/*
* U-Boot based boards
*/
static int __init uboot_present(void)
{
/* FIXME: not yet implemented */
return 0;
}
static unsigned long __init uboot_detect_board(void)
{
/* FIXME: not yet implemented */
return MACH_ADM5120_UNKNOWN;
}
static void __init adm5120_detect_board(void)
{
struct adm5120_board *board;
unsigned long t;
adm5120_boot_loader = BOOT_LOADER_UNKNOWN;
/* Try to detect board type without bootloader */
t = routerboot_detect_board();
if (t == MACH_ADM5120_UNKNOWN)
t = zynos_detect_board();
if (t == MACH_ADM5120_UNKNOWN)
t = myloader_detect_board();
/* Try to detect bootloader type */
if (cfe_present()) {
adm5120_boot_loader = BOOT_LOADER_CFE;
if (t == MACH_ADM5120_UNKNOWN)
t = cfe_detect_board();
} else if (uboot_present()) {
adm5120_boot_loader = BOOT_LOADER_UBOOT;
if (t == MACH_ADM5120_UNKNOWN)
t = uboot_detect_board();
}
for (board = adm5120_boards; board->mach_type != MACH_ADM5120_UNKNOWN;
board++) {
if (board->mach_type == t)
break;
}
memcpy(&adm5120_board, board, sizeof(adm5120_board));
}
/*
* CPU settings detection
*/
#define CODE_GET_PC(c) ((c) & CODE_PC_MASK)
#define CODE_GET_REV(c) (((c) >> CODE_REV_SHIFT) & CODE_REV_MASK)
#define CODE_GET_PK(c) (((c) >> CODE_PK_SHIFT) & CODE_PK_MASK)
#define CODE_GET_CLKS(c) (((c) >> CODE_CLKS_SHIFT) & CODE_CLKS_MASK)
#define CODE_GET_NAB(c) (((c) & CODE_NAB) != 0)
static void __init adm5120_detect_cpuinfo(void)
{
u32 code;
u32 clks;
code = *(u32 *)KSEG1ADDR(ADM5120_SWITCH_BASE+SWITCH_REG_CODE);
adm5120_product_code = CODE_GET_PC(code);
adm5120_revision = CODE_GET_REV(code);
adm5120_package = (CODE_GET_PK(code) == CODE_PK_BGA) ?
ADM5120_PACKAGE_BGA : ADM5120_PACKAGE_PQFP;
adm5120_nand_boot = CODE_GET_NAB(code);
clks = CODE_GET_CLKS(code);
adm5120_speed = ADM5120_SPEED_175;
if (clks & 1)
adm5120_speed += 25000000;
if (clks & 2)
adm5120_speed += 50000000;
}
void __init adm5120_info_show(void)
{
/* FIXME: move this somewhere else */
printk("ADM%04X%s revision %d, running at %ldMHz\n",
adm5120_product_code,
(adm5120_package == ADM5120_PACKAGE_BGA) ? "" : "P",
adm5120_revision, (adm5120_speed / 1000000)
);
printk("Boot loader is: %s\n", boot_loader_names[adm5120_boot_loader]);
printk("Booted from : %s flash\n", adm5120_nand_boot ? "NAND":"NOR");
printk("Board is : %s\n", adm5120_board_name());
}
void __init adm5120_info_init(void)
{
adm5120_detect_cpuinfo();
adm5120_detect_board();
adm5120_info_show();
}
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