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[ramips] share prom code 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17466 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Gabor Juhos 2009-09-02 10:04:12 +00:00
parent af3d584ce7
commit 595699b64e
5 changed files with 45 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
target/linux/ramips/files/arch/mips/ralink/common/Makefile
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@ -7,6 +7,6 @@
# under the terms of the GNU General Public License version 2 as published # under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation. # by the Free Software Foundation.
obj-y := setup.o intc.o gpio.o obj-y := prom.o setup.o intc.o gpio.o
obj-$(CONFIG_RALINK_DEV_GPIO_LEDS) += dev-gpio-leds.o obj-$(CONFIG_RALINK_DEV_GPIO_LEDS) += dev-gpio-leds.o

73
target/linux/ramips/files/arch/mips/ralink/rt305x/prom.c → target/linux/ramips/files/arch/mips/ralink/common/prom.c
View File

@ -1,5 +1,5 @@
/* /*
* Ralink RT305x SoC specific prom routines * Ralink SoC specific prom routines
* *
* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
* *
@ -10,25 +10,29 @@
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/string.h>
#include <asm/bootinfo.h> #include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include <asm/mach-ralink/common.h> #include <asm/mach-ralink/common.h>
#include <asm/mach-ralink/machine.h> #include <asm/mach-ralink/machine.h>
#include <asm/mach-ralink/rt305x.h> #include <ralink_soc.h>
#include <asm/mach-ralink/rt305x_regs.h>
struct board_rec { struct board_rec {
char *name; char *name;
enum ramips_mach_type mach_type; enum ramips_mach_type mach_type;
}; };
static int rt305x_prom_argc __initdata; static int ramips_prom_argc __initdata;
static char **rt305x_prom_argv __initdata; static char **ramips_prom_argv __initdata;
static char **rt305x_prom_envp __initdata; static char **ramips_prom_envp __initdata;
static struct board_rec boards[] __initdata = { static struct board_rec boards[] __initdata = {
{ {
.name = "RT-N15",
.mach_type = RAMIPS_MACH_RT_N15,
}, {
.name = "WHR-G300N", .name = "WHR-G300N",
.mach_type = RAMIPS_MACH_WHR_G300N, .mach_type = RAMIPS_MACH_WHR_G300N,
} }
@ -38,47 +42,47 @@ static inline void *to_ram_addr(void *addr)
{ {
u32 base; u32 base;
base = KSEG0ADDR(RT305X_SDRAM_BASE); base = KSEG0ADDR(RALINK_SOC_SDRAM_BASE);
if (((u32) addr > base) && if (((u32) addr > base) &&
((u32) addr < (base + RT305X_MEM_SIZE_MAX))) ((u32) addr < (base + RALINK_SOC_MEM_SIZE_MAX)))
return addr; return addr;
base = KSEG1ADDR(RT305X_SDRAM_BASE); base = KSEG1ADDR(RALINK_SOC_SDRAM_BASE);
if (((u32) addr > base) && if (((u32) addr > base) &&
((u32) addr < (base + RT305X_MEM_SIZE_MAX))) ((u32) addr < (base + RALINK_SOC_MEM_SIZE_MAX)))
return addr; return addr;
/* some U-Boot variants uses physical addresses */ /* some U-Boot variants uses physical addresses */
base = RT305X_SDRAM_BASE; base = RALINK_SOC_SDRAM_BASE;
if (((u32) addr > base) && if (((u32) addr > base) &&
((u32) addr < (base + RT305X_MEM_SIZE_MAX))) ((u32) addr < (base + RALINK_SOC_MEM_SIZE_MAX)))
return (void *)KSEG0ADDR(addr); return (void *)KSEG0ADDR(addr);
return NULL; return NULL;
} }
static __init char *rt305x_prom_getargv(const char *name) static __init char *ramips_prom_getargv(const char *name)
{ {
int len = strlen(name); int len = strlen(name);
int i; int i;
if (!rt305x_prom_argv) { if (!ramips_prom_argv) {
printk(KERN_DEBUG "argv=%p is invalid, skipping\n", printk(KERN_DEBUG "argv=%p is invalid, skipping\n",
rt305x_prom_argv); ramips_prom_argv);
return NULL; return NULL;
} }
for (i = 0; i < rt305x_prom_argc; i++) { for (i = 0; i < ramips_prom_argc; i++) {
char *argv = to_ram_addr(rt305x_prom_argv[i]); char *argv = to_ram_addr(ramips_prom_argv[i]);
if (!argv) { if (!argv) {
printk(KERN_DEBUG printk(KERN_DEBUG
"argv[%d]=%p is invalid, skipping\n", "argv[%d]=%p is invalid, skipping\n",
i, rt305x_prom_argv[i]); i, ramips_prom_argv[i]);
continue; continue;
} }
printk(KERN_DEBUG "argv[i]: %s\n", argv); printk(KERN_DEBUG "argv[%d]: %s\n", i, argv);
if (strncmp(name, argv, len) == 0 && (argv)[len] == '=') if (strncmp(name, argv, len) == 0 && (argv)[len] == '=')
return argv + len + 1; return argv + len + 1;
} }
@ -86,26 +90,33 @@ static __init char *rt305x_prom_getargv(const char *name)
return NULL; return NULL;
} }
static __init char *rt305x_prom_getenv(const char *envname) static __init char *ramips_prom_getenv(const char *envname)
{ {
#define PROM_MAX_ENVS 256
int len = strlen(envname); int len = strlen(envname);
char **env; char **env;
char *p; int i;
env = rt305x_prom_envp; env = ramips_prom_envp;
if (!env) { if (!env) {
printk(KERN_DEBUG "envp=%p is not in RAM, skipping\n", printk(KERN_DEBUG "envp=%p is not in RAM, skipping\n",
rt305x_prom_envp); ramips_prom_envp);
return NULL; return NULL;
} }
for (p = to_ram_addr(*env); p; env++) { for (i = 0; i < PROM_MAX_ENVS; i++) {
printk(KERN_DEBUG "env: %s\n", *env); char *p = to_ram_addr(env[i]);
if (strncmp(envname, p, len) == 0 && (p)[len] == '=')
if (!p)
break;
printk(KERN_DEBUG "env[%d]: %s\n", i, p);
if (strncmp(envname, p, len) == 0 && p[len] == '=')
return p + len + 1; return p + len + 1;
} }
return NULL; return NULL;
#undef PROM_MAX_ENVS
} }
static __init void find_board_byname(char *name) static __init void find_board_byname(char *name)
@ -128,13 +139,13 @@ void __init prom_init(void)
(unsigned int)fw_arg0, (unsigned int)fw_arg1, (unsigned int)fw_arg0, (unsigned int)fw_arg1,
(unsigned int)fw_arg2, (unsigned int)fw_arg3); (unsigned int)fw_arg2, (unsigned int)fw_arg3);
rt305x_prom_argc = fw_arg0; ramips_prom_argc = fw_arg0;
rt305x_prom_argv = to_ram_addr((void *)fw_arg1); ramips_prom_argv = to_ram_addr((void *)fw_arg1);
rt305x_prom_envp = to_ram_addr((void *)fw_arg2); ramips_prom_envp = to_ram_addr((void *)fw_arg2);
p = rt305x_prom_getargv("board"); p = ramips_prom_getargv("board");
if (!p) if (!p)
p = rt305x_prom_getenv("board"); p = ramips_prom_getenv("board");
if (p) if (p)
find_board_byname(p); find_board_byname(p);
} }

2
target/linux/ramips/files/arch/mips/ralink/rt288x/Makefile
View File

@ -8,7 +8,7 @@
# under the terms of the GNU General Public License version 2 as published # under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation. # by the Free Software Foundation.
obj-y := prom.o irq.o setup.o rt288x.o devices.o obj-y := irq.o setup.o rt288x.o devices.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o

35
target/linux/ramips/files/arch/mips/ralink/rt288x/prom.c
View File

@ -1,35 +0,0 @@
/*
* Ralink RT288x SoC specific prom routines
*
* Copyright (C) 2008 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
* 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/io.h>
#include <linux/serial_reg.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include <asm/mach-ralink/rt288x.h>
#include <asm/mach-ralink/rt288x_regs.h>
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);
}
void __init prom_free_prom_memory(void)
{
/* We do not have to prom memory to free */
}

2
target/linux/ramips/files/arch/mips/ralink/rt305x/Makefile
View File

@ -7,7 +7,7 @@
# under the terms of the GNU General Public License version 2 as published # under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation. # 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-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o