/*
* Atheros AR71xx SoC specific prom routines
*
- * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
+#include <asm/fw/myloader/myloader.h>
#include <asm/mach-ar71xx/ar71xx.h>
+#include "devices.h"
+
struct board_rec {
- char *name;
- unsigned long mach_type;
+ char *name;
+ enum ar71xx_mach_type mach_type;
};
-static int prom_argc __initdata;
-static char **prom_argv __initdata;
-static char **prom_envp __initdata;
+static int ar71xx_prom_argc __initdata;
+static char **ar71xx_prom_argv __initdata;
+static char **ar71xx_prom_envp __initdata;
static struct board_rec boards[] __initdata = {
{
.name = "411",
- .mach_type = MACH_AR71XX_RB_411,
+ .mach_type = AR71XX_MACH_RB_411,
}, {
.name = "433",
- .mach_type = MACH_AR71XX_RB_433,
+ .mach_type = AR71XX_MACH_RB_433,
}, {
.name = "450",
- .mach_type = MACH_AR71XX_RB_450,
+ .mach_type = AR71XX_MACH_RB_450,
+ }, {
+ .name = "493",
+ .mach_type = AR71XX_MACH_RB_493,
+ }, {
+ .name = "AP81",
+ .mach_type = AR71XX_MACH_AP81,
+ }, {
+ .name = "AP83",
+ .mach_type = AR71XX_MACH_AP83,
+ }, {
+ .name = "AW-NR580",
+ .mach_type = AR71XX_MACH_AW_NR580,
+ }, {
+ .name = "TEW-632BRP",
+ .mach_type = AR71XX_MACH_TEW_632BRP,
+ }, {
+ .name = "TL-WR941ND",
+ .mach_type = AR71XX_MACH_TL_WR941ND,
+ }, {
+ .name = "UBNT-RS",
+ .mach_type = AR71XX_MACH_UBNT_RS,
+ }, {
+ .name = "UBNT-RSPRO",
+ .mach_type = AR71XX_MACH_UBNT_RSPRO,
+ }, {
+ .name = "Ubiquiti AR71xx-based board",
+ .mach_type = AR71XX_MACH_UBNT_RS,
+ }, {
+ .name = "UBNT-LS-SR71",
+ .mach_type = AR71XX_MACH_UBNT_LSSR71,
+ }, {
+ .name = "UBNT-LSX",
+ .mach_type = AR71XX_MACH_UBNT_LSX,
+ }, {
+ .name = "WNR2000",
+ .mach_type = AR71XX_MACH_WNR2000,
+ }, {
+ .name = "WRT160NL",
+ .mach_type = AR71XX_MACH_WRT160NL,
+ }, {
+ .name = "WRT400N",
+ .mach_type = AR71XX_MACH_WRT400N,
+ }, {
+ .name = "PB42",
+ .mach_type = AR71XX_MACH_PB42,
+ }, {
+ .name = "PB44",
+ .mach_type = AR71XX_MACH_PB44,
+ }, {
+ .name = "MZK-W300NH",
+ .mach_type = AR71XX_MACH_MZK_W300NH,
+ }, {
+ .name = "MZK-W04NU",
+ .mach_type = AR71XX_MACH_MZK_W04NU,
}
};
-char *(*prom_getenv)(const char *envname) __initdata;
-
-static __init char *dummy_getenv(const char *envname)
+static inline int is_valid_ram_addr(void *addr)
{
- return NULL;
+ if (((u32) addr > KSEG0) &&
+ ((u32) addr < (KSEG0 + AR71XX_MEM_SIZE_MAX)))
+ return 1;
+
+ if (((u32) addr > KSEG1) &&
+ ((u32) addr < (KSEG1 + AR71XX_MEM_SIZE_MAX)))
+ return 1;
+
+ return 0;
}
-static void __init routerboot_printargs(void)
+static __init char *ar71xx_prom_getargv(const char *name)
{
+ int len = strlen(name);
int i;
- for (i = 0; i < prom_argc; i++)
- printk(KERN_DEBUG "prom: routerboot envp[%d]: %s\n",
- i, prom_envp[i]);
+ if (!is_valid_ram_addr(ar71xx_prom_argv))
+ return NULL;
+
+ for (i = 0; i < ar71xx_prom_argc; i++) {
+ char *argv = ar71xx_prom_argv[i];
+
+ if (!is_valid_ram_addr(argv))
+ continue;
+
+ if (strncmp(name, argv, len) == 0 && (argv)[len] == '=')
+ return argv + len + 1;
+ }
+
+ return NULL;
}
-static __init char *routerboot_getenv(const char *envname)
+static __init char *ar71xx_prom_getenv(const char *envname)
{
+ int len = strlen(envname);
char **env;
- int i = strlen(envname);
- for (env = prom_envp; *env != NULL; env++)
- if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=')
- return *env + i + 1;
+ if (!is_valid_ram_addr(ar71xx_prom_envp))
+ return NULL;
+
+ for (env = ar71xx_prom_envp; is_valid_ram_addr(*env); env++) {
+ if (strncmp(envname, *env, len) == 0 && (*env)[len] == '=')
+ return *env + len + 1;
+
+ /* RedBoot env comes in pointer pairs - key, value */
+ if (strncmp(envname, *env, len) == 0 && (*env)[len] == 0)
+ if (is_valid_ram_addr(*(++env)))
+ return *env;
+ }
return NULL;
}
if (strcmp(name, boards[i].name) == 0)
return boards[i].mach_type;
- return MACH_AR71XX_GENERIC;
+ return AR71XX_MACH_GENERIC;
}
-void __init prom_init(void)
+static int ar71xx_prom_init_myloader(void)
{
- char *board;
+ struct myloader_info *mylo;
+
+ mylo = myloader_get_info();
+ if (!mylo)
+ return 0;
+
+ switch (mylo->did) {
+ case DEVID_COMPEX_WP543:
+ ar71xx_mach = AR71XX_MACH_WP543;
+ break;
+ default:
+ printk(KERN_WARNING "prom: unknown device id: %x\n",
+ mylo->did);
+ }
+ ar71xx_set_mac_base(mylo->macs[0]);
+
+ return 1;
+}
+
+static void ar71xx_prom_init_generic(void)
+{
+ char *p;
+
+ ar71xx_prom_argc = fw_arg0;
+ ar71xx_prom_argv = (char **)fw_arg1;
+ ar71xx_prom_envp = (char **)fw_arg2;
+
+ p = ar71xx_prom_getargv("board");
+ if (!p)
+ p = ar71xx_prom_getenv("board");
+ if (p)
+ ar71xx_mach = find_board_byname(p);
+
+ p = ar71xx_prom_getenv("ethaddr");
+ if (!p)
+ p = ar71xx_prom_getargv("kmac");
+ if (p)
+ ar71xx_parse_mac_addr(p);
+}
+void __init prom_init(void)
+{
printk(KERN_DEBUG "prom: fw_arg0=%08x, fw_arg1=%08x, "
"fw_arg2=%08x, fw_arg3=%08x\n",
(unsigned int)fw_arg0, (unsigned int)fw_arg1,
(unsigned int)fw_arg2, (unsigned int)fw_arg3);
- prom_getenv = dummy_getenv;
-
- if ((fw_arg0 == 7) && (fw_arg2 == 0)) {
- prom_argc = fw_arg0;
- prom_envp = (char **)fw_arg1;
- prom_getenv = routerboot_getenv;
- routerboot_printargs();
- }
+ ar71xx_mach = AR71XX_MACH_GENERIC;
- board = prom_getenv("board");
- if (board)
- mips_machtype = find_board_byname(board);
- else
- mips_machtype = MACH_AR71XX_GENERIC;
+ if (ar71xx_prom_init_myloader())
+ return;
- ar71xx_print_cmdline();
+ ar71xx_prom_init_generic();
}
void __init prom_free_prom_memory(void)
projects / openwrt / svn-archive / archive.git / blobdiff