openwrt/target/linux/adm5120/files/arch/mips/adm5120/common/prom.c

265 lines
6.9 KiB
C

/*
* ADM5120 specific prom routines
*
* Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
*
* 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/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <asm/bootinfo.h>
#include <asm/mips_machine.h>
#include <asm/mach-adm5120/adm5120_info.h>
#include <prom/cfe.h>
#include <prom/generic.h>
#include <prom/routerboot.h>
#include <prom/myloader.h>
#include <prom/zynos.h>
unsigned int adm5120_prom_type = ADM5120_PROM_GENERIC;
struct board_desc {
unsigned long mach_type;
char *name;
};
#define DEFBOARD(n, mt) { .mach_type = (mt), .name = (n)}
static struct board_desc common_boards[] __initdata = {
/* Cellvision/SparkLAN boards */
DEFBOARD("CAS-630", MACH_ADM5120_CAS630),
DEFBOARD("CAS-670", MACH_ADM5120_CAS670),
DEFBOARD("CAS-700", MACH_ADM5120_CAS700),
DEFBOARD("CAS-771", MACH_ADM5120_CAS771),
DEFBOARD("CAS-790", MACH_ADM5120_CAS790),
DEFBOARD("CAS-861", MACH_ADM5120_CAS861),
DEFBOARD("NFS-101U", MACH_ADM5120_NFS101U),
/* Compex boards */
DEFBOARD("WP54G-WRT", MACH_ADM5120_WP54G_WRT),
/* Edimax boards */
DEFBOARD("BR-6104K", MACH_ADM5120_BR6104K),
DEFBOARD("BR-6104KP", MACH_ADM5120_BR6104KP),
DEFBOARD("BR-6104WG", MACH_ADM5120_BR61X4WG),
DEFBOARD("BR-6114WG", MACH_ADM5120_BR61X4WG),
/* Infineon boards */
DEFBOARD("EASY 5120P-ATA", MACH_ADM5120_EASY5120PATA),
DEFBOARD("EASY 5120-RT", MACH_ADM5120_EASY5120RT),
DEFBOARD("EASY 5120-WVoIP", MACH_ADM5120_EASY5120WVOIP),
DEFBOARD("EASY 83000", MACH_ADM5120_EASY83000),
/* Mikrotik RouterBOARDs */
DEFBOARD("111", MACH_ADM5120_RB_11X),
DEFBOARD("112", MACH_ADM5120_RB_11X),
DEFBOARD("133", MACH_ADM5120_RB_133),
DEFBOARD("133C", MACH_ADM5120_RB_133C),
DEFBOARD("133C3", MACH_ADM5120_RB_133C),
DEFBOARD("150", MACH_ADM5120_RB_153), /* it's intentional */
DEFBOARD("153", MACH_ADM5120_RB_153),
DEFBOARD("192", MACH_ADM5120_RB_192),
DEFBOARD("miniROUTER", MACH_ADM5120_RB_150),
/* OSBRiDGE boards */
DEFBOARD("OSBRiDGE 5GXi", MACH_ADM5120_5GXI),
/* Motorola boards */
DEFBOARD("Powerline MU Gateway", MACH_ADM5120_PMUGW),
/* Generic EB-214A */
DEFBOARD("ADM5120", MACH_ADM5120_EB_214A),
};
static unsigned long __init find_machtype_byname(char *name)
{
unsigned long ret;
int i;
ret = MACH_ADM5120_GENERIC;
if (name == NULL)
goto out;
if (*name == '\0')
goto out;
for (i = 0; i < ARRAY_SIZE(common_boards); i++) {
if (strcmp(common_boards[i].name, name) == 0) {
ret = common_boards[i].mach_type;
break;
}
}
out:
return ret;
}
static unsigned long __init detect_machtype_routerboot(void)
{
char *name;
name = routerboot_get_boardname();
return find_machtype_byname(name);
}
static unsigned long __init detect_machtype_generic(void)
{
char *name;
name = generic_prom_getenv("board_name");
return find_machtype_byname(name);
}
unsigned long __init detect_machtype_cfe(void)
{
char *name;
name = cfe_getenv("BOARD_NAME");
return find_machtype_byname(name);
}
static struct {
unsigned long mach_type;
u16 vendor_id;
u16 board_id;
} zynos_boards[] __initdata = {
#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)
ZYXEL_BOARD(ZYNOS_BOARD_HS100, MACH_ADM5120_HS100),
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_P334WT_ALT, 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)
};
static unsigned long __init detect_machtype_bootbase(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(zynos_boards); i++) {
if (zynos_boards[i].vendor_id == bootbase_info.vendor_id &&
zynos_boards[i].board_id == bootbase_info.board_id) {
return zynos_boards[i].mach_type;
break;
}
}
printk(KERN_WARNING "Unknown ZyXEL model (%u)\n",
bootbase_info.board_id);
return MACH_ADM5120_GENERIC;
}
static struct {
unsigned long mach_type;
u16 vid;
u16 did;
u16 svid;
u16 sdid;
} mylo_boards[] __initdata = {
#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))
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_WP54),
COMPEX_BOARD(DEVID_COMPEX_WP54Gv1C, MACH_ADM5120_WP54Gv1C),
COMPEX_BOARD(DEVID_COMPEX_WP54AG, MACH_ADM5120_WP54),
COMPEX_BOARD(DEVID_COMPEX_WPP54G, MACH_ADM5120_WP54),
COMPEX_BOARD(DEVID_COMPEX_WPP54AG, MACH_ADM5120_WP54),
};
static unsigned long __init detect_machtype_myloader(void)
{
unsigned long ret;
int i;
ret = MACH_ADM5120_GENERIC;
for (i = 0; i < ARRAY_SIZE(mylo_boards); i++) {
if (mylo_boards[i].vid == myloader_info.vid &&
mylo_boards[i].did == myloader_info.did &&
mylo_boards[i].svid == myloader_info.svid &&
mylo_boards[i].sdid == myloader_info.sdid) {
ret = mylo_boards[i].mach_type;
break;
}
}
return ret;
}
static void __init prom_detect_machtype(void)
{
if (bootbase_present()) {
adm5120_prom_type = ADM5120_PROM_BOOTBASE;
mips_machtype = detect_machtype_bootbase();
return;
}
if (cfe_present()) {
adm5120_prom_type = ADM5120_PROM_CFE;
mips_machtype = detect_machtype_cfe();
return;
}
if (myloader_present()) {
adm5120_prom_type = ADM5120_PROM_MYLOADER;
mips_machtype = detect_machtype_myloader();
return;
}
if (routerboot_present()) {
adm5120_prom_type = ADM5120_PROM_ROUTERBOOT;
mips_machtype = detect_machtype_routerboot();
return;
}
if (generic_prom_present()) {
adm5120_prom_type = ADM5120_PROM_GENERIC;
mips_machtype = detect_machtype_generic();
return;
}
mips_machtype = MACH_ADM5120_GENERIC;
}
#ifdef CONFIG_IMAGE_CMDLINE_HACK
extern char __image_cmdline[];
static void __init prom_init_cmdline(void)
{
char *cmd;
/* init command line, register a default kernel command line */
cmd = __image_cmdline;
if (strlen(cmd) > 0)
strlcpy(arcs_cmdline, cmd, sizeof(arcs_cmdline));
}
#else
static inline void prom_init_cmdline(void) {}
#endif /* CONFIG_IMAGE_CMDLINE_HACK */
void __init prom_init(void)
{
prom_detect_machtype();
prom_init_cmdline();
}
void __init prom_free_prom_memory(void)
{
/* We do not have to prom memory to free */
}