diff options
Diffstat (limited to 'target/linux/ramips/files/arch/mips/ralink/rt305x')
| -rw-r--r-- | target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile | 2 | ||||
| -rw-r--r-- | target/linux/ramips/files/arch/mips/ralink/rt305x/prom.c | 145 |
2 files changed, 1 insertions, 146 deletions
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile b/target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile index 52231fdcc..c7c1c31d7 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile +++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile @@ -7,7 +7,7 @@ # under the terms of the GNU General Public License version 2 as published # by the Free Software Foundation. -obj-y := prom.o irq.o setup.o devices.o rt305x.o +obj-y := irq.o setup.o devices.o rt305x.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o 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 */ -} |