mirror of
https://github.com/torvalds/linux.git
synced 2024-11-17 17:41:44 +00:00
599a89459f
Several static uninitialized variables are used in the scope of __init functions but are themselves not marked as __initdata. This patch is to put those variables to where they belong and to reduce the memory footprint a little bit. Also, a couple of lines with spaces instead of tabs were fixed. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/698/ Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
/*
|
|
* IP32 basic setup
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2000 Harald Koerfgen
|
|
* Copyright (C) 2002, 2003, 2005 Ilya A. Volynets
|
|
* Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
|
|
*/
|
|
#include <linux/console.h>
|
|
#include <linux/init.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/mc146818rtc.h>
|
|
#include <linux/param.h>
|
|
#include <linux/sched.h>
|
|
|
|
#include <asm/bootinfo.h>
|
|
#include <asm/mc146818-time.h>
|
|
#include <asm/mipsregs.h>
|
|
#include <asm/mmu_context.h>
|
|
#include <asm/sgialib.h>
|
|
#include <asm/time.h>
|
|
#include <asm/traps.h>
|
|
#include <asm/io.h>
|
|
#include <asm/ip32/crime.h>
|
|
#include <asm/ip32/mace.h>
|
|
#include <asm/ip32/ip32_ints.h>
|
|
|
|
extern void ip32_be_init(void);
|
|
extern void crime_init(void);
|
|
|
|
#ifdef CONFIG_SGI_O2MACE_ETH
|
|
/*
|
|
* This is taken care of in here 'cause they say using Arc later on is
|
|
* problematic
|
|
*/
|
|
extern char o2meth_eaddr[8];
|
|
static inline unsigned char str2hexnum(unsigned char c)
|
|
{
|
|
if (c >= '0' && c <= '9')
|
|
return c - '0';
|
|
if (c >= 'a' && c <= 'f')
|
|
return c - 'a' + 10;
|
|
return 0; /* foo */
|
|
}
|
|
|
|
static inline void str2eaddr(unsigned char *ea, unsigned char *str)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 6; i++) {
|
|
unsigned char num;
|
|
|
|
if(*str == ':')
|
|
str++;
|
|
num = str2hexnum(*str++) << 4;
|
|
num |= (str2hexnum(*str++));
|
|
ea[i] = num;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* An arbitrary time; this can be decreased if reliability looks good */
|
|
#define WAIT_MS 10
|
|
|
|
void __init plat_time_init(void)
|
|
{
|
|
printk(KERN_INFO "Calibrating system timer... ");
|
|
write_c0_count(0);
|
|
crime->timer = 0;
|
|
while (crime->timer < CRIME_MASTER_FREQ * WAIT_MS / 1000) ;
|
|
mips_hpt_frequency = read_c0_count() * 1000 / WAIT_MS;
|
|
printk("%d MHz CPU detected\n", mips_hpt_frequency * 2 / 1000000);
|
|
}
|
|
|
|
void __init plat_mem_setup(void)
|
|
{
|
|
board_be_init = ip32_be_init;
|
|
|
|
#ifdef CONFIG_SGI_O2MACE_ETH
|
|
{
|
|
char *mac = ArcGetEnvironmentVariable("eaddr");
|
|
str2eaddr(o2meth_eaddr, mac);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_SERIAL_CORE_CONSOLE)
|
|
{
|
|
char* con = ArcGetEnvironmentVariable("console");
|
|
if (con && *con == 'd') {
|
|
static char options[8] __initdata;
|
|
char *baud = ArcGetEnvironmentVariable("dbaud");
|
|
if (baud)
|
|
strcpy(options, baud);
|
|
add_preferred_console("ttyS", *(con + 1) == '2' ? 1 : 0,
|
|
baud ? options : NULL);
|
|
}
|
|
}
|
|
#endif
|
|
}
|