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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-09-18 12:56:10 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-09-18 12:56:10 +0000
commit4dfbff8a17154868d2fbfba144f2f2648340d84a (patch)
treef662c64becf1d024af8d5a29c78f58e0191531a7 /target/linux/ar71xx/files/arch
parent3e2425b2336ea78e199c342dbb3d706bbc03a030 (diff)
[ar71xx] add MyLoader support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12627 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/files/arch')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig1
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/platform.c9
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/prom.c97
-rw-r--r--target/linux/ar71xx/files/arch/mips/fw/myloader/Makefile5
-rw-r--r--target/linux/ar71xx/files/arch/mips/fw/myloader/myloader.c63
5 files changed, 134 insertions, 41 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
index 274c3ede1..8640b2cc5 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
@@ -12,6 +12,7 @@ config AR71XX_MACH_GENERIC
config AR71XX_MACH_WP543
bool "Compex WP543 board support"
+ select MYLOADER
default y
config AR71XX_MACH_RB_4XX
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/platform.c b/target/linux/ar71xx/files/arch/mips/ar71xx/platform.c
index db804fbb9..9e62114b1 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/platform.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/platform.c
@@ -414,7 +414,12 @@ err_free_buttons:
kfree(p);
}
-void __init ar71xx_set_mac_base(char *mac_str)
+void __init ar71xx_set_mac_base(unsigned char *mac)
+{
+ memcpy(ar71xx_mac_base, mac, ETH_ALEN);
+}
+
+void __init ar71xx_parse_mac_addr(char *mac_str)
{
u8 tmp[ETH_ALEN];
int t;
@@ -423,7 +428,7 @@ void __init ar71xx_set_mac_base(char *mac_str)
&tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]);
if (t == ETH_ALEN)
- memcpy(ar71xx_mac_base, tmp, ETH_ALEN);
+ ar71xx_set_mac_base(tmp);
else
printk(KERN_DEBUG "AR71XX: failed to parse mac address "
"\"%s\"\n", mac_str);
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c b/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c
index 69425d50c..d22c593e1 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c
@@ -16,6 +16,7 @@
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
+#include <asm/fw/myloader/myloader.h>
#include <asm/mach-ar71xx/ar71xx.h>
#include <asm/mach-ar71xx/platform.h>
@@ -42,34 +43,31 @@ static struct board_rec boards[] __initdata = {
}
};
-static __init void routerboot_printargs(void)
+static __init char *ar71xx_prom_getargv(const char *name)
{
+ int len = strlen(name);
int i;
- for (i = 0; i < ar71xx_prom_argc; i++)
- printk(KERN_DEBUG "prom: routerboot envp[%d]: %s\n",
- i, ar71xx_prom_argv[i]);
-}
-
-static __init char *routerboot_getenv(const char *envname)
-{
- int len = strlen(envname);
- int i;
+ if (!ar71xx_prom_argv)
+ return NULL;
for (i = 0; i < ar71xx_prom_argc; i++) {
- char *env = ar71xx_prom_argv[i];
- if (strncmp(envname, env, len) == 0 && (env)[len] == '=')
- return env + len + 1;
+ char *argv = ar71xx_prom_argv[i];
+ if (strncmp(name, argv, len) == 0 && (argv)[len] == '=')
+ return argv + len + 1;
}
return NULL;
}
-static __init char *redboot_getenv(const char *envname)
+static __init char *ar71xx_prom_getenv(const char *envname)
{
int len = strlen(envname);
char **env;
+ if (!ar71xx_prom_envp)
+ return NULL;
+
for (env = ar71xx_prom_envp; *env != NULL; env++)
if (strncmp(envname, *env, len) == 0 && (*env)[len] == '=')
return *env + len + 1;
@@ -88,40 +86,61 @@ static __init unsigned long find_board_byname(char *name)
return MACH_AR71XX_GENERIC;
}
-void __init prom_init(void)
+static int ar71xx_prom_init_myloader(void)
{
- char *board = NULL;
- char *mac = NULL;
+ struct myloader_info *mylo;
+
+ mylo = myloader_get_info();
+ if (!mylo)
+ return 0;
+
+ switch (mylo->did) {
+ case DEVID_COMPEX_WP543:
+ mips_machtype = MACH_AR71XX_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_getenv("board");
+ if (!p)
+ p = ar71xx_prom_getargv("board");
+ if (p)
+ mips_machtype = 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);
- if ((fw_arg0 == 7) && (fw_arg2 == 0) && (fw_arg3 == 0)) {
- /* assume RouterBOOT */
- ar71xx_prom_argc = fw_arg0;
- ar71xx_prom_argv = (char **)fw_arg1;
- routerboot_printargs();
- board = routerboot_getenv("board");
- mac = routerboot_getenv("kmac");
- } else {
- /* assume Redboot */
- ar71xx_prom_argc = fw_arg0;
- ar71xx_prom_argv = (char **)fw_arg1;
- ar71xx_prom_envp = (char **)fw_arg2;
- mac = redboot_getenv("ethaddr");
- }
-
- if (board)
- mips_machtype = find_board_byname(board);
- else
- mips_machtype = MACH_AR71XX_GENERIC;
+ mips_machtype = MACH_AR71XX_GENERIC;
- if (mac)
- ar71xx_set_mac_base(mac);
+ if (ar71xx_prom_init_myloader())
+ return;
- ar71xx_print_cmdline();
+ ar71xx_prom_init_generic();
}
void __init prom_free_prom_memory(void)
diff --git a/target/linux/ar71xx/files/arch/mips/fw/myloader/Makefile b/target/linux/ar71xx/files/arch/mips/fw/myloader/Makefile
new file mode 100644
index 000000000..34acfd01c
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/fw/myloader/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the Compex's MyLoader support on MIPS architecture
+#
+
+lib-y += myloader.o
diff --git a/target/linux/ar71xx/files/arch/mips/fw/myloader/myloader.c b/target/linux/ar71xx/files/arch/mips/fw/myloader/myloader.c
new file mode 100644
index 000000000..a26f9ad3f
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/fw/myloader/myloader.c
@@ -0,0 +1,63 @@
+/*
+ * Compex's MyLoader 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/kernel.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/string.h>
+
+#include <asm/addrspace.h>
+#include <asm/fw/myloader/myloader.h>
+
+#define SYS_PARAMS_ADDR KSEG1ADDR(0x80000800)
+#define BOARD_PARAMS_ADDR KSEG1ADDR(0x80000A00)
+#define PART_TABLE_ADDR KSEG1ADDR(0x80000C00)
+#define BOOT_PARAMS_ADDR KSEG1ADDR(0x80000E00)
+
+static struct myloader_info myloader_info __initdata;
+static int myloader_found __initdata;
+
+struct myloader_info * __init myloader_get_info(void)
+{
+ struct mylo_system_params *sysp;
+ struct mylo_board_params *boardp;
+ struct mylo_partition_table *parts;
+
+ if (myloader_found)
+ return &myloader_info;
+
+ sysp = (struct mylo_system_params *)(SYS_PARAMS_ADDR);
+ boardp = (struct mylo_board_params *)(BOARD_PARAMS_ADDR);
+ parts = (struct mylo_partition_table *)(PART_TABLE_ADDR);
+
+ printk(KERN_DEBUG "MyLoader: sysp=%08x, boardp=%08x, parts=%08x\n",
+ sysp->magic, boardp->magic, parts->magic);
+
+ /* Check for some magic numbers */
+ if (sysp->magic != MYLO_MAGIC_SYS_PARAMS ||
+ boardp->magic != MYLO_MAGIC_BOARD_PARAMS ||
+ le32_to_cpu(parts->magic) != MYLO_MAGIC_PARTITIONS)
+ return NULL;
+
+ printk(KERN_DEBUG "MyLoader: id=%04x:%04x, sub_id=%04x:%04x\n",
+ sysp->vid, sysp->did, sysp->svid, sysp->sdid);
+
+ myloader_info.vid = sysp->vid;
+ myloader_info.did = sysp->did;
+ myloader_info.svid = sysp->svid;
+ myloader_info.sdid = sysp->sdid;
+
+ memcpy(myloader_info.macs, boardp->addr, sizeof(myloader_info.macs));
+
+ myloader_found = 1;
+
+ return &myloader_info;
+}