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[ifxmips] cleanup sources and prepare for 2.6.27

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13660 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
thl
2008-12-16 14:07:55 +00:00
parent 84938fc03d
commit 6ad1668c37
35 changed files with 1931 additions and 1543 deletions
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31
target/linux/ifxmips/files/arch/mips/ifxmips/setup.c
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@@ -13,15 +13,15 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2004 peng.liu@infineon.com
* Copyright (C) 2007 John Crispin <blogic@openwrt.org>
* Copyright (C) 2004 peng.liu@infineon.com
* Copyright (C) 2007 John Crispin <blogic@openwrt.org>
*/
#include <linux/init.h>
#include <asm/time.h>
#include <asm/traps.h>
#include <asm/cpu.h>
#include <linux/cpu.h>
#include <asm/irq.h>
#include <asm/bootinfo.h>
#include <asm/ifxmips/ifxmips.h>
@@ -33,17 +33,18 @@
static unsigned int r4k_offset;
static unsigned int r4k_cur;
/* required in arch/mips/kernel/kspd.c */
unsigned long cpu_khz;
extern void ifxmips_reboot_setup(void);
unsigned int
ifxmips_get_cpu_ver(void)
unsigned int ifxmips_get_cpu_ver(void)
{
return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0xF0000000) >> 28;
}
EXPORT_SYMBOL(ifxmips_get_cpu_ver);
static __inline__ u32
ifxmips_get_counter_resolution(void)
static inline u32 ifxmips_get_counter_resolution(void)
{
u32 res;
__asm__ __volatile__(
@@ -56,27 +57,27 @@ ifxmips_get_counter_resolution(void)
: "=&r" (res)
: /* no input */
: "memory");
instruction_hazard();
return res;
instruction_hazard();
return res;
}
void __init
plat_time_init(void)
void __init plat_time_init(void)
{
mips_hpt_frequency = ifxmips_get_cpu_hz() / ifxmips_get_counter_resolution();
r4k_cur = (read_c0_count() + r4k_offset);
write_c0_compare(r4k_cur);
ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT | IFXMIPS_PMU_PWDCR_FPI);
ifxmips_w32(0x100, IFXMIPS_GPTU_GPT_CLC); // set clock divider to 1
ifxmips_w32(0x100, IFXMIPS_GPTU_GPT_CLC); /* set clock divider to 1 */
cpu_khz = ifxmips_get_cpu_hz();
}
void __init
plat_mem_setup(void)
void __init plat_mem_setup(void)
{
u32 status;
prom_printf("This %s has a cpu rev of 0x%X\n", get_system_type(), ifxmips_get_cpu_ver());
prom_printf("This %s system has a cpu rev of %d\n", get_system_type(), ifxmips_get_cpu_ver());
/* make sure to have no "reverse endian" for user mode! */
status = read_c0_status();
status &= (~(1<<25));
write_c0_status(status);