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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-09-02 10:04:12 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-09-02 10:04:12 +0000
commit926e540be235f7757036b65509bf75f118f07694 (patch)
tree0cbc214b8b70f4ea192350411dd7875a42ec227b /target/linux/ramips/files/arch/mips/ralink/rt305x/prom.c
parentff4ff7c3a8ec0b813d93864c0e923702bca599e6 (diff)
[ramips] share prom code
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17466 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips/files/arch/mips/ralink/rt305x/prom.c')
-rw-r--r--target/linux/ramips/files/arch/mips/ralink/rt305x/prom.c145
1 files changed, 0 insertions, 145 deletions
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/prom.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/prom.c
deleted file mode 100644
index 774291ab7..000000000
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/prom.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Ralink RT305x SoC specific prom routines
- *
- * Copyright (C) 2009 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 <asm/bootinfo.h>
-
-#include <asm/mach-ralink/common.h>
-#include <asm/mach-ralink/machine.h>
-#include <asm/mach-ralink/rt305x.h>
-#include <asm/mach-ralink/rt305x_regs.h>
-
-struct board_rec {
- char *name;
- enum ramips_mach_type mach_type;
-};
-
-static int rt305x_prom_argc __initdata;
-static char **rt305x_prom_argv __initdata;
-static char **rt305x_prom_envp __initdata;
-
-static struct board_rec boards[] __initdata = {
- {
- .name = "WHR-G300N",
- .mach_type = RAMIPS_MACH_WHR_G300N,
- }
-};
-
-static inline void *to_ram_addr(void *addr)
-{
- u32 base;
-
- base = KSEG0ADDR(RT305X_SDRAM_BASE);
- if (((u32) addr > base) &&
- ((u32) addr < (base + RT305X_MEM_SIZE_MAX)))
- return addr;
-
- base = KSEG1ADDR(RT305X_SDRAM_BASE);
- if (((u32) addr > base) &&
- ((u32) addr < (base + RT305X_MEM_SIZE_MAX)))
- return addr;
-
- /* some U-Boot variants uses physical addresses */
- base = RT305X_SDRAM_BASE;
- if (((u32) addr > base) &&
- ((u32) addr < (base + RT305X_MEM_SIZE_MAX)))
- return (void *)KSEG0ADDR(addr);
-
- return NULL;
-}
-
-static __init char *rt305x_prom_getargv(const char *name)
-{
- int len = strlen(name);
- int i;
-
- if (!rt305x_prom_argv) {
- printk(KERN_DEBUG "argv=%p is invalid, skipping\n",
- rt305x_prom_argv);
- return NULL;
- }
-
- for (i = 0; i < rt305x_prom_argc; i++) {
- char *argv = to_ram_addr(rt305x_prom_argv[i]);
-
- if (!argv) {
- printk(KERN_DEBUG
- "argv[%d]=%p is invalid, skipping\n",
- i, rt305x_prom_argv[i]);
- continue;
- }
-
- printk(KERN_DEBUG "argv[i]: %s\n", argv);
- if (strncmp(name, argv, len) == 0 && (argv)[len] == '=')
- return argv + len + 1;
- }
-
- return NULL;
-}
-
-static __init char *rt305x_prom_getenv(const char *envname)
-{
- int len = strlen(envname);
- char **env;
- char *p;
-
- env = rt305x_prom_envp;
- if (!env) {
- printk(KERN_DEBUG "envp=%p is not in RAM, skipping\n",
- rt305x_prom_envp);
- return NULL;
- }
-
- for (p = to_ram_addr(*env); p; env++) {
- printk(KERN_DEBUG "env: %s\n", *env);
- if (strncmp(envname, p, len) == 0 && (p)[len] == '=')
- return p + len + 1;
- }
-
- return NULL;
-}
-
-static __init void find_board_byname(char *name)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(boards); i++)
- if (strcmp(name, boards[i].name) == 0) {
- ramips_mach = boards[i].mach_type;
- break;
- }
-}
-
-void __init prom_init(void)
-{
- char *p;
-
- 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);
-
- rt305x_prom_argc = fw_arg0;
- rt305x_prom_argv = to_ram_addr((void *)fw_arg1);
- rt305x_prom_envp = to_ram_addr((void *)fw_arg2);
-
- p = rt305x_prom_getargv("board");
- if (!p)
- p = rt305x_prom_getenv("board");
- if (p)
- find_board_byname(p);
-}
-
-void __init prom_free_prom_memory(void)
-{
- /* We do not have to prom memory to free */
-}