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/************************************************************************
*
* Copyright (c) 2007
* Infineon Technologies AG
* St. Martin Strasse 53; 81669 Muenchen; Germany
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
************************************************************************/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <asm/addrspace.h>
#include <base_reg.h>
#include <sys1_reg.h>
#include <sys2_reg.h>
#include <lantiq_soc.h>
static struct svip_reg_sys1 *const sys1 = (struct svip_reg_sys1 *)LTQ_SYS1_BASE;
static struct svip_reg_sys2 *const sys2 = (struct svip_reg_sys2 *)LTQ_SYS2_BASE;
void svip_sys1_clk_enable(u32 mask)
{
sys1_w32(sys1_r32(clksr) | mask, clkenr);
asm("sync;");
}
EXPORT_SYMBOL(svip_sys1_clk_enable);
int svip_sys1_clk_is_enabled(u32 mask)
{
return (sys1_r32(clksr) & mask) != 0;
}
EXPORT_SYMBOL(svip_sys1_clk_is_enabled);
void svip_sys2_clk_enable(u32 mask)
{
sys2_w32(sys2_r32(clksr) | mask, clkenr);
asm("sync;");
}
EXPORT_SYMBOL(svip_sys2_clk_enable);
int svip_sys2_clk_is_enabled(u32 mask)
{
return (sys2_r32(clksr) & mask) != 0;
}
EXPORT_SYMBOL(svip_sys2_clk_is_enabled);
int ltq_pms_read_procmem(char *buf, char **start, off_t offset,
int count, int *eof, void *data)
{
long len = 0;
int t = 0;
u32 bit = 0;
u32 reg_tmp, bits_tmp;
len = sprintf(buf, "\nSVIP PMS Settings\n");
len = len + sprintf(buf + len,
" 3 2 1 0\n");
len = len + sprintf(buf + len,
" 210987654321098765432109876543210\n");
len = len + sprintf(buf + len,
"---------------------------------------------\n");
len = len + sprintf(buf + len,
"SYS1_CLKSR: ");
reg_tmp = sys1_r32(clksr);
bit = 0x80000000;
for (t = 31; t != -1; t--) {
bits_tmp = (reg_tmp & bit) >> t;
len = len + sprintf(buf + len, "%d", bits_tmp);
bit = bit >> 1;
}
len = len + sprintf(buf + len, "\n\n");
len = len + sprintf(buf + len, "SYS2_CLKSR: ");
reg_tmp = sys2_r32(clksr);
bit = 0x80000000;
for (t = 31; t != -1; t--) {
bits_tmp = (reg_tmp & bit) >> t;
len = len + sprintf(buf + len, "%d", bits_tmp);
bit = bit >> 1;
}
len = len + sprintf(buf + len, "\n\n");
*eof = 1;
return len;
}
int __init ltq_pms_init_proc(void)
{
return create_proc_read_entry("driver/ltq_pms", 0, NULL,
ltq_pms_read_procmem, NULL) == NULL;
}
module_init(ltq_pms_init_proc);
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