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/*
* Copyright (C) 2010-2012 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <mach/hardware.h>
#include <mach/mxc_dvfs.h>
#include "cpu_op-mx6.h"
extern struct cpu_op *(*get_cpu_op)(int *op);
extern struct dvfs_op *(*get_dvfs_core_op)(int *wp);
extern void (*set_num_cpu_op)(int num);
extern u32 arm_max_freq;
static int num_cpu_op;
/* working point(wp): 0 - 1.2GHz; 1 - 800MHz, 2 - 624MHz 3 - 400MHz, 4 - 200MHz */
static struct cpu_op mx6_cpu_op_1_2G[] = {
{
.pll_rate = 1200000000,
.cpu_rate = 1200000000,
.cpu_podf = 0,
.cpu_voltage = 1275000,},
{
.pll_rate = 792000000,
.cpu_rate = 792000000,
.cpu_podf = 0,
.cpu_voltage = 1100000,},
{
.pll_rate = 672000000,
.cpu_rate = 672000000,
.cpu_voltage = 1100000,},
{
.pll_rate = 792000000,
.cpu_rate = 396000000,
.cpu_podf = 1,
.cpu_voltage = 950000,},
{
.pll_rate = 792000000,
.cpu_rate = 198000000,
.cpu_podf = 3,
.cpu_voltage = 850000,},
};
/* working point(wp): 0 - 1GHz; 1 - 800MHz, 2 - 624MHz 3 - 400MHz, 4 - 200MHz */
static struct cpu_op mx6_cpu_op_1G[] = {
{
.pll_rate = 996000000,
.cpu_rate = 996000000,
.cpu_podf = 0,
.cpu_voltage = 1225000,},
{
.pll_rate = 792000000,
.cpu_rate = 792000000,
.cpu_podf = 0,
.cpu_voltage = 1100000,},
{
.pll_rate = 672000000,
.cpu_rate = 672000000,
.cpu_voltage = 1100000,},
{
.pll_rate = 792000000,
.cpu_rate = 396000000,
.cpu_podf = 1,
.cpu_voltage = 950000,},
{
.pll_rate = 792000000,
.cpu_rate = 198000000,
.cpu_podf = 3,
.cpu_voltage = 850000,},
};
static struct cpu_op mx6_cpu_op[] = {
{
.pll_rate = 792000000,
.cpu_rate = 792000000,
.cpu_podf = 0,
.cpu_voltage = 1100000,},
{
.pll_rate = 792000000,
.cpu_rate = 396000000,
.cpu_podf = 1,
.cpu_voltage = 950000,},
{
.pll_rate = 792000000,
.cpu_rate = 198000000,
.cpu_podf = 3,
.cpu_voltage = 850000,},
};
/* working point(wp): 0 - 1GHzMHz; 1 - 800MHz, 3 - 400MHz, 4 - 200MHz */
static struct cpu_op mx6dl_cpu_op_1G[] = {
{
.pll_rate = 996000000,
.cpu_rate = 996000000,
.cpu_podf = 0,
.cpu_voltage = 1225000,},
{
.pll_rate = 792000000,
.cpu_rate = 792000000,
.cpu_podf = 0,
.cpu_voltage = 1100000,},
{
.pll_rate = 792000000,
.cpu_rate = 396000000,
.cpu_podf = 1,
.cpu_voltage = 1000000,},
{
.pll_rate = 792000000,
.cpu_rate = 198000000,
.cpu_podf = 3,
.cpu_voltage = 1000000,},
};
static struct cpu_op mx6dl_cpu_op[] = {
{
.pll_rate = 792000000,
.cpu_rate = 792000000,
.cpu_podf = 0,
.cpu_voltage = 1100000,},
{
.pll_rate = 792000000,
.cpu_rate = 396000000,
.cpu_podf = 1,
.cpu_voltage = 1000000,},
{
.pll_rate = 792000000,
.cpu_rate = 198000000,
.cpu_podf = 3,
.cpu_voltage = 1000000,},
};
static struct dvfs_op dvfs_core_setpoint_1_2G[] = {
{33, 14, 33, 10, 128, 0x10}, /* 1.2GHz*/
{30, 12, 33, 100, 200, 0x10}, /* 800MHz */
{28, 12, 33, 100, 200, 0x10}, /* 624MHz */
{26, 8, 33, 100, 200, 0x10}, /* 400MHz */
{20, 0, 33, 20, 10, 0x10} }; /* 200MHz*/
static struct dvfs_op dvfs_core_setpoint_1G[] = {
{33, 14, 33, 10, 128, 0x10}, /* 1GHz*/
{30, 12, 33, 100, 200, 0x10}, /* 800MHz */
{28, 12, 33, 100, 200, 0x10}, /* 624MHz */
{26, 8, 33, 100, 200, 0x10}, /* 400MHz */
{20, 0, 33, 20, 10, 0x10} }; /* 200MHz*/
static struct dvfs_op dvfs_core_setpoint[] = {
{33, 14, 33, 10, 128, 0x08}, /* 800MHz */
{26, 8, 33, 100, 200, 0x08}, /* 400MHz */
{20, 0, 33, 20, 10, 0x08} }; /* 200MHz*/
static struct dvfs_op *mx6_get_dvfs_core_table(int *wp)
{
if (arm_max_freq == CPU_AT_1_2GHz) {
*wp = ARRAY_SIZE(dvfs_core_setpoint_1_2G);
return dvfs_core_setpoint_1_2G;
} else if (arm_max_freq == CPU_AT_1GHz) {
*wp = ARRAY_SIZE(dvfs_core_setpoint_1G);
return dvfs_core_setpoint_1G;
} else {
*wp = ARRAY_SIZE(dvfs_core_setpoint);
return dvfs_core_setpoint;
}
}
struct cpu_op *mx6_get_cpu_op(int *op)
{
if (cpu_is_mx6dl()) {
if (arm_max_freq == CPU_AT_1GHz) {
*op = num_cpu_op = ARRAY_SIZE(mx6dl_cpu_op_1G);
return mx6dl_cpu_op_1G;
} else {
*op = num_cpu_op = ARRAY_SIZE(mx6dl_cpu_op);
return mx6dl_cpu_op;
}
} else {
if (arm_max_freq == CPU_AT_1_2GHz) {
*op = num_cpu_op = ARRAY_SIZE(mx6_cpu_op_1_2G);
return mx6_cpu_op_1_2G;
} else if (arm_max_freq == CPU_AT_1GHz) {
*op = num_cpu_op = ARRAY_SIZE(mx6_cpu_op_1G);
return mx6_cpu_op_1G;
} else {
*op = num_cpu_op = ARRAY_SIZE(mx6_cpu_op);
return mx6_cpu_op;
}
}
}
void mx6_set_num_cpu_op(int num)
{
num_cpu_op = num;
return;
}
void mx6_cpu_op_init(void)
{
get_cpu_op = mx6_get_cpu_op;
set_num_cpu_op = mx6_set_num_cpu_op;
get_dvfs_core_op = mx6_get_dvfs_core_table;
}
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