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Commit 5da301a2 authored by Shawn Guo's avatar Shawn Guo
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ARM: mxs: remove old clock support 

The mxs clock has been switched to common clock framework, so the old
clock support can be removed now.
Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
parent 2664681f
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arch/arm/mach-mxs/clock-mx23.c deleted 100644 → 0
View file @ 2664681f
/*
* Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/jiffies.h>
#include <linux/clkdev.h>
#include <asm/clkdev.h>
#include <asm/div64.h>
#include <mach/mx23.h>
#include <mach/common.h>
#include <mach/clock.h>
#include "regs-clkctrl-mx23.h"
#define CLKCTRL_BASE_ADDR MX23_IO_ADDRESS(MX23_CLKCTRL_BASE_ADDR)
#define DIGCTRL_BASE_ADDR MX23_IO_ADDRESS(MX23_DIGCTL_BASE_ADDR)
#define PARENT_RATE_SHIFT 8
static int _raw_clk_enable(struct clk *clk)
{
u32 reg;
if (clk->enable_reg) {
reg = __raw_readl(clk->enable_reg);
reg &= ~(1 << clk->enable_shift);
__raw_writel(reg, clk->enable_reg);
}
return 0;
}
static void _raw_clk_disable(struct clk *clk)
{
u32 reg;
if (clk->enable_reg) {
reg = __raw_readl(clk->enable_reg);
reg |= 1 << clk->enable_shift;
__raw_writel(reg, clk->enable_reg);
}
}
/*
* ref_xtal_clk
*/
static unsigned long ref_xtal_clk_get_rate(struct clk *clk)
{
return 24000000;
}
static struct clk ref_xtal_clk = {
.get_rate = ref_xtal_clk_get_rate,
};
/*
* pll_clk
*/
static unsigned long pll_clk_get_rate(struct clk *clk)
{
return 480000000;
}
static int pll_clk_enable(struct clk *clk)
{
__raw_writel(BM_CLKCTRL_PLLCTRL0_POWER |
BM_CLKCTRL_PLLCTRL0_EN_USB_CLKS,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_PLLCTRL0_SET);
/* Only a 10us delay is need. PLLCTRL1 LOCK bitfied is only a timer
* and is incorrect (excessive). Per definition of the PLLCTRL0
* POWER field, waiting at least 10us.
*/
udelay(10);
return 0;
}
static void pll_clk_disable(struct clk *clk)
{
__raw_writel(BM_CLKCTRL_PLLCTRL0_POWER |
BM_CLKCTRL_PLLCTRL0_EN_USB_CLKS,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_PLLCTRL0_CLR);
}
static struct clk pll_clk = {
.get_rate = pll_clk_get_rate,
.enable = pll_clk_enable,
.disable = pll_clk_disable,
.parent = &ref_xtal_clk,
};
/*
* ref_clk
*/
#define _CLK_GET_RATE_REF(name, sr, ss) \
static unsigned long name##_get_rate(struct clk *clk) \
{ \
unsigned long parent_rate; \
u32 reg, div; \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##sr); \
div = (reg >> BP_CLKCTRL_##sr##_##ss##FRAC) & 0x3f; \
parent_rate = clk_get_rate(clk->parent); \
\
return SH_DIV((parent_rate >> PARENT_RATE_SHIFT) * 18, \
div, PARENT_RATE_SHIFT); \
}
_CLK_GET_RATE_REF(ref_cpu_clk, FRAC, CPU)
_CLK_GET_RATE_REF(ref_emi_clk, FRAC, EMI)
_CLK_GET_RATE_REF(ref_pix_clk, FRAC, PIX)
_CLK_GET_RATE_REF(ref_io_clk, FRAC, IO)
#define _DEFINE_CLOCK_REF(name, er, es) \
static struct clk name = { \
.enable_reg = CLKCTRL_BASE_ADDR + HW_CLKCTRL_##er, \
.enable_shift = BP_CLKCTRL_##er##_CLKGATE##es, \
.get_rate = name##_get_rate, \
.enable = _raw_clk_enable, \
.disable = _raw_clk_disable, \
.parent = &pll_clk, \
}
_DEFINE_CLOCK_REF(ref_cpu_clk, FRAC, CPU);
_DEFINE_CLOCK_REF(ref_emi_clk, FRAC, EMI);
_DEFINE_CLOCK_REF(ref_pix_clk, FRAC, PIX);
_DEFINE_CLOCK_REF(ref_io_clk, FRAC, IO);
/*
* General clocks
*
* clk_get_rate
*/
static unsigned long rtc_clk_get_rate(struct clk *clk)
{
/* ref_xtal_clk is implemented as the only parent */
return clk_get_rate(clk->parent) / 768;
}
static unsigned long clk32k_clk_get_rate(struct clk *clk)
{
return clk->parent->get_rate(clk->parent) / 750;
}
#define _CLK_GET_RATE(name, rs) \
static unsigned long name##_get_rate(struct clk *clk) \
{ \
u32 reg, div; \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \
\
if (clk->parent == &ref_xtal_clk) \
div = (reg & BM_CLKCTRL_##rs##_DIV_XTAL) >> \
BP_CLKCTRL_##rs##_DIV_XTAL; \
else \
div = (reg & BM_CLKCTRL_##rs##_DIV_##rs) >> \
BP_CLKCTRL_##rs##_DIV_##rs; \
\
if (!div) \
return -EINVAL; \
\
return clk_get_rate(clk->parent) / div; \
}
_CLK_GET_RATE(cpu_clk, CPU)
_CLK_GET_RATE(emi_clk, EMI)
#define _CLK_GET_RATE1(name, rs) \
static unsigned long name##_get_rate(struct clk *clk) \
{ \
u32 reg, div; \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \
div = (reg & BM_CLKCTRL_##rs##_DIV) >> BP_CLKCTRL_##rs##_DIV; \
\
if (!div) \
return -EINVAL; \
\
return clk_get_rate(clk->parent) / div; \
}
_CLK_GET_RATE1(hbus_clk, HBUS)
_CLK_GET_RATE1(xbus_clk, XBUS)
_CLK_GET_RATE1(ssp_clk, SSP)
_CLK_GET_RATE1(gpmi_clk, GPMI)
_CLK_GET_RATE1(lcdif_clk, PIX)
#define _CLK_GET_RATE_STUB(name) \
static unsigned long name##_get_rate(struct clk *clk) \
{ \
return clk_get_rate(clk->parent); \
}
_CLK_GET_RATE_STUB(uart_clk)
_CLK_GET_RATE_STUB(audio_clk)
_CLK_GET_RATE_STUB(pwm_clk)
/*
* clk_set_rate
*/
static int cpu_clk_set_rate(struct clk *clk, unsigned long rate)
{
u32 reg, bm_busy, div_max, d, f, div, frac;
unsigned long diff, parent_rate, calc_rate;
parent_rate = clk_get_rate(clk->parent);
if (clk->parent == &ref_xtal_clk) {
div_max = BM_CLKCTRL_CPU_DIV_XTAL >> BP_CLKCTRL_CPU_DIV_XTAL;
bm_busy = BM_CLKCTRL_CPU_BUSY_REF_XTAL;
div = DIV_ROUND_UP(parent_rate, rate);
if (div == 0 || div > div_max)
return -EINVAL;
} else {
div_max = BM_CLKCTRL_CPU_DIV_CPU >> BP_CLKCTRL_CPU_DIV_CPU;
bm_busy = BM_CLKCTRL_CPU_BUSY_REF_CPU;
rate >>= PARENT_RATE_SHIFT;
parent_rate >>= PARENT_RATE_SHIFT;
diff = parent_rate;
div = frac = 1;
for (d = 1; d <= div_max; d++) {
f = parent_rate * 18 / d / rate;
if ((parent_rate * 18 / d) % rate)
f++;
if (f < 18 || f > 35)
continue;
calc_rate = parent_rate * 18 / f / d;
if (calc_rate > rate)
continue;
if (rate - calc_rate < diff) {
frac = f;
div = d;
diff = rate - calc_rate;
}
if (diff == 0)
break;
}
if (diff == parent_rate)
return -EINVAL;
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC);
reg &= ~BM_CLKCTRL_FRAC_CPUFRAC;
reg |= frac;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC);
}
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU);
reg &= ~BM_CLKCTRL_CPU_DIV_CPU;
reg |= div << BP_CLKCTRL_CPU_DIV_CPU;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU);
mxs_clkctrl_timeout(HW_CLKCTRL_CPU, bm_busy);
return 0;
}
#define _CLK_SET_RATE(name, dr) \
static int name##_set_rate(struct clk *clk, unsigned long rate) \
{ \
u32 reg, div_max, div; \
unsigned long parent_rate; \
\
parent_rate = clk_get_rate(clk->parent); \
div_max = BM_CLKCTRL_##dr##_DIV >> BP_CLKCTRL_##dr##_DIV; \
\
div = DIV_ROUND_UP(parent_rate, rate); \
if (div == 0 || div > div_max) \
return -EINVAL; \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \
reg &= ~BM_CLKCTRL_##dr##_DIV; \
reg |= div << BP_CLKCTRL_##dr##_DIV; \
if (reg & (1 << clk->enable_shift)) { \
pr_err("%s: clock is gated\n", __func__); \
return -EINVAL; \
} \
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \
\
mxs_clkctrl_timeout(HW_CLKCTRL_##dr, BM_CLKCTRL_##dr##_BUSY); \
return 0; \
}
_CLK_SET_RATE(xbus_clk, XBUS)
_CLK_SET_RATE(ssp_clk, SSP)
_CLK_SET_RATE(gpmi_clk, GPMI)
_CLK_SET_RATE(lcdif_clk, PIX)
#define _CLK_SET_RATE_STUB(name) \
static int name##_set_rate(struct clk *clk, unsigned long rate) \
{ \
return -EINVAL; \
}
_CLK_SET_RATE_STUB(emi_clk)
_CLK_SET_RATE_STUB(uart_clk)
_CLK_SET_RATE_STUB(audio_clk)
_CLK_SET_RATE_STUB(pwm_clk)
_CLK_SET_RATE_STUB(clk32k_clk)
/*
* clk_set_parent
*/
#define _CLK_SET_PARENT(name, bit) \
static int name##_set_parent(struct clk *clk, struct clk *parent) \
{ \
if (parent != clk->parent) { \
__raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit, \
CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG); \
clk->parent = parent; \
} \
\
return 0; \
}
_CLK_SET_PARENT(cpu_clk, CPU)
_CLK_SET_PARENT(emi_clk, EMI)
_CLK_SET_PARENT(ssp_clk, SSP)
_CLK_SET_PARENT(gpmi_clk, GPMI)
_CLK_SET_PARENT(lcdif_clk, PIX)
#define _CLK_SET_PARENT_STUB(name) \
static int name##_set_parent(struct clk *clk, struct clk *parent) \
{ \
if (parent != clk->parent) \
return -EINVAL; \
else \
return 0; \
}
_CLK_SET_PARENT_STUB(uart_clk)
_CLK_SET_PARENT_STUB(audio_clk)
_CLK_SET_PARENT_STUB(pwm_clk)
_CLK_SET_PARENT_STUB(clk32k_clk)
/*
* clk definition
*/
static struct clk cpu_clk = {
.get_rate = cpu_clk_get_rate,
.set_rate = cpu_clk_set_rate,
.set_parent = cpu_clk_set_parent,
.parent = &ref_cpu_clk,
};
static struct clk hbus_clk = {
.get_rate = hbus_clk_get_rate,
.parent = &cpu_clk,
};
static struct clk xbus_clk = {
.get_rate = xbus_clk_get_rate,
.set_rate = xbus_clk_set_rate,
.parent = &ref_xtal_clk,
};
static struct clk rtc_clk = {
.get_rate = rtc_clk_get_rate,
.parent = &ref_xtal_clk,
};
/* usb_clk gate is controlled in DIGCTRL other than CLKCTRL */
static struct clk usb_clk = {
.enable_reg = DIGCTRL_BASE_ADDR,
.enable_shift = 2,
.enable = _raw_clk_enable,
.disable = _raw_clk_disable,
.parent = &pll_clk,
};
#define _DEFINE_CLOCK(name, er, es, p) \
static struct clk name = { \
.enable_reg = CLKCTRL_BASE_ADDR + HW_CLKCTRL_##er, \
.enable_shift = BP_CLKCTRL_##er##_##es, \
.get_rate = name##_get_rate, \
.set_rate = name##_set_rate, \
.set_parent = name##_set_parent, \
.enable = _raw_clk_enable, \
.disable = _raw_clk_disable, \
.parent = p, \
}
_DEFINE_CLOCK(emi_clk, EMI, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(ssp_clk, SSP, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(gpmi_clk, GPMI, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(lcdif_clk, PIX, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(uart_clk, XTAL, UART_CLK_GATE, &ref_xtal_clk);
_DEFINE_CLOCK(audio_clk, XTAL, FILT_CLK24M_GATE, &ref_xtal_clk);
_DEFINE_CLOCK(pwm_clk, XTAL, PWM_CLK24M_GATE, &ref_xtal_clk);
_DEFINE_CLOCK(clk32k_clk, XTAL, TIMROT_CLK32K_GATE, &ref_xtal_clk);
#define _REGISTER_CLOCK(d, n, c) \
{ \
.dev_id = d, \
.con_id = n, \
.clk = &c, \
},
static struct clk_lookup lookups[] = {
/* for amba bus driver */
_REGISTER_CLOCK("duart", "apb_pclk", xbus_clk)
/* for amba-pl011 driver */
_REGISTER_CLOCK("duart", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk)
_REGISTER_CLOCK("rtc", NULL, rtc_clk)
_REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk)
_REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk)
_REGISTER_CLOCK("mxs-mmc.0", NULL, ssp_clk)
_REGISTER_CLOCK("mxs-mmc.1", NULL, ssp_clk)
_REGISTER_CLOCK(NULL, "usb", usb_clk)
_REGISTER_CLOCK(NULL, "audio", audio_clk)
_REGISTER_CLOCK("mxs-pwm.0", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.1", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.2", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
_REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk)
_REGISTER_CLOCK("imx23-gpmi-nand", NULL, gpmi_clk)
};
static int clk_misc_init(void)
{
u32 reg;
int ret;
/* Fix up parent per register setting */
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ);
cpu_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_CPU) ?
&ref_xtal_clk : &ref_cpu_clk;
emi_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_EMI) ?
&ref_xtal_clk : &ref_emi_clk;
ssp_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SSP) ?
&ref_xtal_clk : &ref_io_clk;
gpmi_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_GPMI) ?
&ref_xtal_clk : &ref_io_clk;
lcdif_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_PIX) ?
&ref_xtal_clk : &ref_pix_clk;
/* Use int div over frac when both are available */
__raw_writel(BM_CLKCTRL_CPU_DIV_XTAL_FRAC_EN,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_CLR);
__raw_writel(BM_CLKCTRL_CPU_DIV_CPU_FRAC_EN,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_CLR);
__raw_writel(BM_CLKCTRL_HBUS_DIV_FRAC_EN,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS_CLR);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_XBUS);
reg &= ~BM_CLKCTRL_XBUS_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_XBUS);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP);
reg &= ~BM_CLKCTRL_SSP_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_GPMI);
reg &= ~BM_CLKCTRL_GPMI_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_GPMI);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_PIX);
reg &= ~BM_CLKCTRL_PIX_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_PIX);
/*
* Set safe hbus clock divider. A divider of 3 ensure that
* the Vddd voltage required for the cpu clock is sufficiently
* high for the hbus clock.
*/
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS);
reg &= BM_CLKCTRL_HBUS_DIV;
reg |= 3 << BP_CLKCTRL_HBUS_DIV;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS);
ret = mxs_clkctrl_timeout(HW_CLKCTRL_HBUS, BM_CLKCTRL_HBUS_BUSY);
/* Gate off cpu clock in WFI for power saving */
__raw_writel(BM_CLKCTRL_CPU_INTERRUPT_WAIT,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_SET);
/*
* 480 MHz seems too high to be ssp clock source directly,
* so set frac to get a 288 MHz ref_io.
*/
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC);
reg &= ~BM_CLKCTRL_FRAC_IOFRAC;
reg |= 30 << BP_CLKCTRL_FRAC_IOFRAC;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC);
return ret;
}
int __init mx23_clocks_init(void)
{
clk_misc_init();
/*
* source ssp clock from ref_io than ref_xtal,
* as ref_xtal only provides 24 MHz as maximum.
*/
clk_set_parent(&ssp_clk, &ref_io_clk);
clk_prepare_enable(&cpu_clk);
clk_prepare_enable(&hbus_clk);
clk_prepare_enable(&xbus_clk);
clk_prepare_enable(&emi_clk);
clk_prepare_enable(&uart_clk);
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
mxs_timer_init(&clk32k_clk, MX23_INT_TIMER0);
return 0;
}
arch/arm/mach-mxs/clock-mx28.c deleted 100644 → 0
View file @ 2664681f
/*
* Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/jiffies.h>
#include <linux/clkdev.h>
#include <linux/spinlock.h>
#include <asm/clkdev.h>
#include <asm/div64.h>
#include <mach/mx28.h>
#include <mach/common.h>
#include <mach/clock.h>
#include <mach/digctl.h>
#include "regs-clkctrl-mx28.h"
#define CLKCTRL_BASE_ADDR MX28_IO_ADDRESS(MX28_CLKCTRL_BASE_ADDR)
#define DIGCTRL_BASE_ADDR MX28_IO_ADDRESS(MX28_DIGCTL_BASE_ADDR)
#define PARENT_RATE_SHIFT 8
static struct clk pll2_clk;
static struct clk cpu_clk;
static struct clk emi_clk;
static struct clk saif0_clk;
static struct clk saif1_clk;
static struct clk clk32k_clk;
static DEFINE_SPINLOCK(clkmux_lock);
/*
* HW_SAIF_CLKMUX_SEL:
* DIRECT(0x0): SAIF0 clock pins selected for SAIF0 input clocks, and SAIF1
* clock pins selected for SAIF1 input clocks.
* CROSSINPUT(0x1): SAIF1 clock inputs selected for SAIF0 input clocks, and
* SAIF0 clock inputs selected for SAIF1 input clocks.
* EXTMSTR0(0x2): SAIF0 clock pin selected for both SAIF0 and SAIF1 input
* clocks.
* EXTMSTR1(0x3): SAIF1 clock pin selected for both SAIF0 and SAIF1 input
* clocks.
*/
int mxs_saif_clkmux_select(unsigned int clkmux)
{
if (clkmux > 0x3)
return -EINVAL;
spin_lock(&clkmux_lock);
__raw_writel(BM_DIGCTL_CTRL_SAIF_CLKMUX,
DIGCTRL_BASE_ADDR + HW_DIGCTL_CTRL + MXS_CLR_ADDR);
__raw_writel(clkmux << BP_DIGCTL_CTRL_SAIF_CLKMUX,
DIGCTRL_BASE_ADDR + HW_DIGCTL_CTRL + MXS_SET_ADDR);
spin_unlock(&clkmux_lock);
return 0;
}
static int _raw_clk_enable(struct clk *clk)
{
u32 reg;
if (clk->enable_reg) {
reg = __raw_readl(clk->enable_reg);
reg &= ~(1 << clk->enable_shift);
__raw_writel(reg, clk->enable_reg);
}
return 0;
}
static void _raw_clk_disable(struct clk *clk)
{
u32 reg;
if (clk->enable_reg) {
reg = __raw_readl(clk->enable_reg);
reg |= 1 << clk->enable_shift;
__raw_writel(reg, clk->enable_reg);
}
}
/*
* ref_xtal_clk
*/
static unsigned long ref_xtal_clk_get_rate(struct clk *clk)
{
return 24000000;
}
static struct clk ref_xtal_clk = {
.get_rate = ref_xtal_clk_get_rate,
};
/*
* pll_clk
*/
static unsigned long pll0_clk_get_rate(struct clk *clk)
{
return 480000000;
}
static unsigned long pll1_clk_get_rate(struct clk *clk)
{
return 480000000;
}
static unsigned long pll2_clk_get_rate(struct clk *clk)
{
return 50000000;
}
#define _CLK_ENABLE_PLL(name, r, g) \
static int name##_enable(struct clk *clk) \
{ \
__raw_writel(BM_CLKCTRL_##r##CTRL0_POWER, \
CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_SET); \
udelay(10); \
\
if (clk == &pll2_clk) \
__raw_writel(BM_CLKCTRL_##r##CTRL0_##g, \
CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_CLR); \
else \
__raw_writel(BM_CLKCTRL_##r##CTRL0_##g, \
CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_SET); \
\
return 0; \
}
_CLK_ENABLE_PLL(pll0_clk, PLL0, EN_USB_CLKS)
_CLK_ENABLE_PLL(pll1_clk, PLL1, EN_USB_CLKS)
_CLK_ENABLE_PLL(pll2_clk, PLL2, CLKGATE)
#define _CLK_DISABLE_PLL(name, r, g) \
static void name##_disable(struct clk *clk) \
{ \
__raw_writel(BM_CLKCTRL_##r##CTRL0_POWER, \
CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_CLR); \
\
if (clk == &pll2_clk) \
__raw_writel(BM_CLKCTRL_##r##CTRL0_##g, \
CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_SET); \
else \
__raw_writel(BM_CLKCTRL_##r##CTRL0_##g, \
CLKCTRL_BASE_ADDR + HW_CLKCTRL_##r##CTRL0_CLR); \
\
}
_CLK_DISABLE_PLL(pll0_clk, PLL0, EN_USB_CLKS)
_CLK_DISABLE_PLL(pll1_clk, PLL1, EN_USB_CLKS)
_CLK_DISABLE_PLL(pll2_clk, PLL2, CLKGATE)
#define _DEFINE_CLOCK_PLL(name) \
static struct clk name = { \
.get_rate = name##_get_rate, \
.enable = name##_enable, \
.disable = name##_disable, \
.parent = &ref_xtal_clk, \
}
_DEFINE_CLOCK_PLL(pll0_clk);
_DEFINE_CLOCK_PLL(pll1_clk);
_DEFINE_CLOCK_PLL(pll2_clk);
/*
* ref_clk
*/
#define _CLK_GET_RATE_REF(name, sr, ss) \
static unsigned long name##_get_rate(struct clk *clk) \
{ \
unsigned long parent_rate; \
u32 reg, div; \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##sr); \
div = (reg >> BP_CLKCTRL_##sr##_##ss##FRAC) & 0x3f; \
parent_rate = clk_get_rate(clk->parent); \
\
return SH_DIV((parent_rate >> PARENT_RATE_SHIFT) * 18, \
div, PARENT_RATE_SHIFT); \
}
_CLK_GET_RATE_REF(ref_cpu_clk, FRAC0, CPU)
_CLK_GET_RATE_REF(ref_emi_clk, FRAC0, EMI)
_CLK_GET_RATE_REF(ref_io0_clk, FRAC0, IO0)
_CLK_GET_RATE_REF(ref_io1_clk, FRAC0, IO1)
_CLK_GET_RATE_REF(ref_pix_clk, FRAC1, PIX)
_CLK_GET_RATE_REF(ref_gpmi_clk, FRAC1, GPMI)
#define _DEFINE_CLOCK_REF(name, er, es) \
static struct clk name = { \
.enable_reg = CLKCTRL_BASE_ADDR + HW_CLKCTRL_##er, \
.enable_shift = BP_CLKCTRL_##er##_CLKGATE##es, \
.get_rate = name##_get_rate, \
.enable = _raw_clk_enable, \
.disable = _raw_clk_disable, \
.parent = &pll0_clk, \
}
_DEFINE_CLOCK_REF(ref_cpu_clk, FRAC0, CPU);
_DEFINE_CLOCK_REF(ref_emi_clk, FRAC0, EMI);
_DEFINE_CLOCK_REF(ref_io0_clk, FRAC0, IO0);
_DEFINE_CLOCK_REF(ref_io1_clk, FRAC0, IO1);
_DEFINE_CLOCK_REF(ref_pix_clk, FRAC1, PIX);
_DEFINE_CLOCK_REF(ref_gpmi_clk, FRAC1, GPMI);
/*
* General clocks
*
* clk_get_rate
*/
static unsigned long lradc_clk_get_rate(struct clk *clk)
{
return clk_get_rate(clk->parent) / 16;
}
static unsigned long rtc_clk_get_rate(struct clk *clk)
{
/* ref_xtal_clk is implemented as the only parent */
return clk_get_rate(clk->parent) / 768;
}
static unsigned long clk32k_clk_get_rate(struct clk *clk)
{
return clk->parent->get_rate(clk->parent) / 750;
}
static unsigned long spdif_clk_get_rate(struct clk *clk)
{
return clk_get_rate(clk->parent) / 4;
}
#define _CLK_GET_RATE(name, rs) \
static unsigned long name##_get_rate(struct clk *clk) \
{ \
u32 reg, div; \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \
\
if (clk->parent == &ref_xtal_clk) \
div = (reg & BM_CLKCTRL_##rs##_DIV_XTAL) >> \
BP_CLKCTRL_##rs##_DIV_XTAL; \
else \
div = (reg & BM_CLKCTRL_##rs##_DIV_##rs) >> \
BP_CLKCTRL_##rs##_DIV_##rs; \
\
if (!div) \
return -EINVAL; \
\
return clk_get_rate(clk->parent) / div; \
}
_CLK_GET_RATE(cpu_clk, CPU)
_CLK_GET_RATE(emi_clk, EMI)
#define _CLK_GET_RATE1(name, rs) \
static unsigned long name##_get_rate(struct clk *clk) \
{ \
u32 reg, div; \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \
div = (reg & BM_CLKCTRL_##rs##_DIV) >> BP_CLKCTRL_##rs##_DIV; \
\
if (!div) \
return -EINVAL; \
\
if (clk == &saif0_clk || clk == &saif1_clk) \
return clk_get_rate(clk->parent) >> 16 * div; \
else \
return clk_get_rate(clk->parent) / div; \
}
_CLK_GET_RATE1(hbus_clk, HBUS)
_CLK_GET_RATE1(xbus_clk, XBUS)
_CLK_GET_RATE1(ssp0_clk, SSP0)
_CLK_GET_RATE1(ssp1_clk, SSP1)
_CLK_GET_RATE1(ssp2_clk, SSP2)
_CLK_GET_RATE1(ssp3_clk, SSP3)
_CLK_GET_RATE1(gpmi_clk, GPMI)
_CLK_GET_RATE1(lcdif_clk, DIS_LCDIF)
_CLK_GET_RATE1(saif0_clk, SAIF0)
_CLK_GET_RATE1(saif1_clk, SAIF1)
#define _CLK_GET_RATE_STUB(name) \
static unsigned long name##_get_rate(struct clk *clk) \
{ \
return clk_get_rate(clk->parent); \
}
_CLK_GET_RATE_STUB(uart_clk)
_CLK_GET_RATE_STUB(pwm_clk)
_CLK_GET_RATE_STUB(can0_clk)
_CLK_GET_RATE_STUB(can1_clk)
_CLK_GET_RATE_STUB(fec_clk)
/*
* clk_set_rate
*/
/* fool compiler */
#define BM_CLKCTRL_CPU_DIV 0
#define BP_CLKCTRL_CPU_DIV 0
#define BM_CLKCTRL_CPU_BUSY 0
#define _CLK_SET_RATE(name, dr, fr, fs) \
static int name##_set_rate(struct clk *clk, unsigned long rate) \
{ \
u32 reg, bm_busy, div_max, d, f, div, frac; \
unsigned long diff, parent_rate, calc_rate; \
\
div_max = BM_CLKCTRL_##dr##_DIV >> BP_CLKCTRL_##dr##_DIV; \
bm_busy = BM_CLKCTRL_##dr##_BUSY; \
\
if (clk->parent == &ref_xtal_clk) { \
parent_rate = clk_get_rate(clk->parent); \
div = DIV_ROUND_UP(parent_rate, rate); \
if (clk == &cpu_clk) { \
div_max = BM_CLKCTRL_CPU_DIV_XTAL >> \
BP_CLKCTRL_CPU_DIV_XTAL; \
bm_busy = BM_CLKCTRL_CPU_BUSY_REF_XTAL; \
} \
if (div == 0 || div > div_max) \
return -EINVAL; \
} else { \
/* \
* hack alert: this block modifies clk->parent, too, \
* so the base to use it the grand parent. \
*/ \
parent_rate = clk_get_rate(clk->parent->parent); \
rate >>= PARENT_RATE_SHIFT; \
parent_rate >>= PARENT_RATE_SHIFT; \
diff = parent_rate; \
div = frac = 1; \
if (clk == &cpu_clk) { \
div_max = BM_CLKCTRL_CPU_DIV_CPU >> \
BP_CLKCTRL_CPU_DIV_CPU; \
bm_busy = BM_CLKCTRL_CPU_BUSY_REF_CPU; \
} \
for (d = 1; d <= div_max; d++) { \
f = parent_rate * 18 / d / rate; \
if ((parent_rate * 18 / d) % rate) \
f++; \
if (f < 18 || f > 35) \
continue; \
\
calc_rate = parent_rate * 18 / f / d; \
if (calc_rate > rate) \
continue; \
\
if (rate - calc_rate < diff) { \
frac = f; \
div = d; \
diff = rate - calc_rate; \
} \
\
if (diff == 0) \
break; \
} \
\
if (diff == parent_rate) \
return -EINVAL; \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##fr); \
reg &= ~BM_CLKCTRL_##fr##_##fs##FRAC; \
reg |= frac << BP_CLKCTRL_##fr##_##fs##FRAC; \
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##fr); \
} \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \
if (clk == &cpu_clk) { \
reg &= ~BM_CLKCTRL_CPU_DIV_CPU; \
reg |= div << BP_CLKCTRL_CPU_DIV_CPU; \
} else { \
reg &= ~BM_CLKCTRL_##dr##_DIV; \
reg |= div << BP_CLKCTRL_##dr##_DIV; \
if (reg & (1 << clk->enable_shift)) { \
pr_err("%s: clock is gated\n", __func__); \
return -EINVAL; \
} \
} \
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \
\
return mxs_clkctrl_timeout(HW_CLKCTRL_##dr, bm_busy); \
}
_CLK_SET_RATE(cpu_clk, CPU, FRAC0, CPU)
_CLK_SET_RATE(ssp0_clk, SSP0, FRAC0, IO0)
_CLK_SET_RATE(ssp1_clk, SSP1, FRAC0, IO0)
_CLK_SET_RATE(ssp2_clk, SSP2, FRAC0, IO1)
_CLK_SET_RATE(ssp3_clk, SSP3, FRAC0, IO1)
_CLK_SET_RATE(lcdif_clk, DIS_LCDIF, FRAC1, PIX)
_CLK_SET_RATE(gpmi_clk, GPMI, FRAC1, GPMI)
#define _CLK_SET_RATE1(name, dr) \
static int name##_set_rate(struct clk *clk, unsigned long rate) \
{ \
u32 reg, div_max, div; \
unsigned long parent_rate; \
\
parent_rate = clk_get_rate(clk->parent); \
div_max = BM_CLKCTRL_##dr##_DIV >> BP_CLKCTRL_##dr##_DIV; \
\
div = DIV_ROUND_UP(parent_rate, rate); \
if (div == 0 || div > div_max) \
return -EINVAL; \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \
reg &= ~BM_CLKCTRL_##dr##_DIV; \
reg |= div << BP_CLKCTRL_##dr##_DIV; \
if (reg & (1 << clk->enable_shift)) { \
pr_err("%s: clock is gated\n", __func__); \
return -EINVAL; \
} \
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \
\
return mxs_clkctrl_timeout(HW_CLKCTRL_##dr, BM_CLKCTRL_##dr##_BUSY);\
}
_CLK_SET_RATE1(xbus_clk, XBUS)
/* saif clock uses 16 bits frac div */
#define _CLK_SET_RATE_SAIF(name, rs) \
static int name##_set_rate(struct clk *clk, unsigned long rate) \
{ \
u16 div; \
u32 reg; \
u64 lrate; \
unsigned long parent_rate; \
\
parent_rate = clk_get_rate(clk->parent); \
if (rate > parent_rate) \
return -EINVAL; \
\
lrate = (u64)rate << 16; \
do_div(lrate, parent_rate); \
div = (u16)lrate; \
\
if (!div) \
return -EINVAL; \
\
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \
reg &= ~BM_CLKCTRL_##rs##_DIV; \
reg |= div << BP_CLKCTRL_##rs##_DIV; \
if (reg & (1 << clk->enable_shift)) { \
pr_err("%s: clock is gated\n", __func__); \
return -EINVAL; \
} \
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##rs); \
\
return mxs_clkctrl_timeout(HW_CLKCTRL_##rs, BM_CLKCTRL_##rs##_BUSY);\
}
_CLK_SET_RATE_SAIF(saif0_clk, SAIF0)
_CLK_SET_RATE_SAIF(saif1_clk, SAIF1)
#define _CLK_SET_RATE_STUB(name) \
static int name##_set_rate(struct clk *clk, unsigned long rate) \
{ \
return -EINVAL; \
}
_CLK_SET_RATE_STUB(emi_clk)
_CLK_SET_RATE_STUB(uart_clk)
_CLK_SET_RATE_STUB(pwm_clk)
_CLK_SET_RATE_STUB(spdif_clk)
_CLK_SET_RATE_STUB(clk32k_clk)
_CLK_SET_RATE_STUB(can0_clk)
_CLK_SET_RATE_STUB(can1_clk)
_CLK_SET_RATE_STUB(fec_clk)
/*
* clk_set_parent
*/
#define _CLK_SET_PARENT(name, bit) \
static int name##_set_parent(struct clk *clk, struct clk *parent) \
{ \
if (parent != clk->parent) { \
__raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit, \
CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG); \
clk->parent = parent; \
} \
\
return 0; \
}
_CLK_SET_PARENT(cpu_clk, CPU)
_CLK_SET_PARENT(emi_clk, EMI)
_CLK_SET_PARENT(ssp0_clk, SSP0)
_CLK_SET_PARENT(ssp1_clk, SSP1)
_CLK_SET_PARENT(ssp2_clk, SSP2)
_CLK_SET_PARENT(ssp3_clk, SSP3)
_CLK_SET_PARENT(lcdif_clk, DIS_LCDIF)
_CLK_SET_PARENT(gpmi_clk, GPMI)
_CLK_SET_PARENT(saif0_clk, SAIF0)
_CLK_SET_PARENT(saif1_clk, SAIF1)
#define _CLK_SET_PARENT_STUB(name) \
static int name##_set_parent(struct clk *clk, struct clk *parent) \
{ \
if (parent != clk->parent) \
return -EINVAL; \
else \
return 0; \
}
_CLK_SET_PARENT_STUB(pwm_clk)
_CLK_SET_PARENT_STUB(uart_clk)
_CLK_SET_PARENT_STUB(clk32k_clk)
_CLK_SET_PARENT_STUB(spdif_clk)
_CLK_SET_PARENT_STUB(fec_clk)
_CLK_SET_PARENT_STUB(can0_clk)
_CLK_SET_PARENT_STUB(can1_clk)
/*
* clk definition
*/
static struct clk cpu_clk = {
.get_rate = cpu_clk_get_rate,
.set_rate = cpu_clk_set_rate,
.set_parent = cpu_clk_set_parent,
.parent = &ref_cpu_clk,
};
static struct clk hbus_clk = {
.get_rate = hbus_clk_get_rate,
.parent = &cpu_clk,
};
static struct clk xbus_clk = {
.get_rate = xbus_clk_get_rate,
.set_rate = xbus_clk_set_rate,
.parent = &ref_xtal_clk,
};
static struct clk lradc_clk = {
.get_rate = lradc_clk_get_rate,
.parent = &clk32k_clk,
};
static struct clk rtc_clk = {
.get_rate = rtc_clk_get_rate,
.parent = &ref_xtal_clk,
};
/* usb_clk gate is controlled in DIGCTRL other than CLKCTRL */
static struct clk usb0_clk = {
.enable_reg = DIGCTRL_BASE_ADDR,
.enable_shift = 2,
.enable = _raw_clk_enable,
.disable = _raw_clk_disable,
.parent = &pll0_clk,
};
static struct clk usb1_clk = {
.enable_reg = DIGCTRL_BASE_ADDR,
.enable_shift = 16,
.enable = _raw_clk_enable,
.disable = _raw_clk_disable,
.parent = &pll1_clk,
};
#define _DEFINE_CLOCK(name, er, es, p) \
static struct clk name = { \
.enable_reg = CLKCTRL_BASE_ADDR + HW_CLKCTRL_##er, \
.enable_shift = BP_CLKCTRL_##er##_##es, \
.get_rate = name##_get_rate, \
.set_rate = name##_set_rate, \
.set_parent = name##_set_parent, \
.enable = _raw_clk_enable, \
.disable = _raw_clk_disable, \
.parent = p, \
}
_DEFINE_CLOCK(emi_clk, EMI, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(ssp0_clk, SSP0, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(ssp1_clk, SSP1, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(ssp2_clk, SSP2, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(ssp3_clk, SSP3, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(lcdif_clk, DIS_LCDIF, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(gpmi_clk, GPMI, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(saif0_clk, SAIF0, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(saif1_clk, SAIF1, CLKGATE, &ref_xtal_clk);
_DEFINE_CLOCK(can0_clk, FLEXCAN, STOP_CAN0, &ref_xtal_clk);
_DEFINE_CLOCK(can1_clk, FLEXCAN, STOP_CAN1, &ref_xtal_clk);
_DEFINE_CLOCK(pwm_clk, XTAL, PWM_CLK24M_GATE, &ref_xtal_clk);
_DEFINE_CLOCK(uart_clk, XTAL, UART_CLK_GATE, &ref_xtal_clk);
_DEFINE_CLOCK(clk32k_clk, XTAL, TIMROT_CLK32K_GATE, &ref_xtal_clk);
_DEFINE_CLOCK(spdif_clk, SPDIF, CLKGATE, &pll0_clk);
_DEFINE_CLOCK(fec_clk, ENET, DISABLE, &hbus_clk);
#define _REGISTER_CLOCK(d, n, c) \
{ \
.dev_id = d, \
.con_id = n, \
.clk = &c, \
},
static struct clk_lookup lookups[] = {
/* for amba bus driver */
_REGISTER_CLOCK("duart", "apb_pclk", xbus_clk)
/* for amba-pl011 driver */
_REGISTER_CLOCK("duart", NULL, uart_clk)
_REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk)
_REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk)
_REGISTER_CLOCK("imx28-gpmi-nand", NULL, gpmi_clk)
_REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.1", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.2", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.3", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.4", NULL, uart_clk)
_REGISTER_CLOCK("rtc", NULL, rtc_clk)
_REGISTER_CLOCK("enet_out", NULL, pll2_clk)
_REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk)
_REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk)
_REGISTER_CLOCK("mxs-mmc.0", NULL, ssp0_clk)
_REGISTER_CLOCK("mxs-mmc.1", NULL, ssp1_clk)
_REGISTER_CLOCK("mxs-mmc.2", NULL, ssp2_clk)
_REGISTER_CLOCK("mxs-mmc.3", NULL, ssp3_clk)
_REGISTER_CLOCK("flexcan.0", NULL, can0_clk)
_REGISTER_CLOCK("flexcan.1", NULL, can1_clk)
_REGISTER_CLOCK(NULL, "usb0", usb0_clk)
_REGISTER_CLOCK(NULL, "usb1", usb1_clk)
_REGISTER_CLOCK("mxs-pwm.0", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.1", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.2", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.5", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.6", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.7", NULL, pwm_clk)
_REGISTER_CLOCK(NULL, "lradc", lradc_clk)
_REGISTER_CLOCK(NULL, "spdif", spdif_clk)
_REGISTER_CLOCK("imx28-fb", NULL, lcdif_clk)
_REGISTER_CLOCK("mxs-saif.0", NULL, saif0_clk)
_REGISTER_CLOCK("mxs-saif.1", NULL, saif1_clk)
};
static int clk_misc_init(void)
{
u32 reg;
int ret;
/* Fix up parent per register setting */
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ);
cpu_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_CPU) ?
&ref_xtal_clk : &ref_cpu_clk;
emi_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_EMI) ?
&ref_xtal_clk : &ref_emi_clk;
ssp0_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SSP0) ?
&ref_xtal_clk : &ref_io0_clk;
ssp1_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SSP1) ?
&ref_xtal_clk : &ref_io0_clk;
ssp2_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SSP2) ?
&ref_xtal_clk : &ref_io1_clk;
ssp3_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SSP3) ?
&ref_xtal_clk : &ref_io1_clk;
lcdif_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF) ?
&ref_xtal_clk : &ref_pix_clk;
gpmi_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_GPMI) ?
&ref_xtal_clk : &ref_gpmi_clk;
saif0_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SAIF0) ?
&ref_xtal_clk : &pll0_clk;
saif1_clk.parent = (reg & BM_CLKCTRL_CLKSEQ_BYPASS_SAIF1) ?
&ref_xtal_clk : &pll0_clk;
/* Use int div over frac when both are available */
__raw_writel(BM_CLKCTRL_CPU_DIV_XTAL_FRAC_EN,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_CLR);
__raw_writel(BM_CLKCTRL_CPU_DIV_CPU_FRAC_EN,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_CLR);
__raw_writel(BM_CLKCTRL_HBUS_DIV_FRAC_EN,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS_CLR);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_XBUS);
reg &= ~BM_CLKCTRL_XBUS_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_XBUS);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP0);
reg &= ~BM_CLKCTRL_SSP0_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP0);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP1);
reg &= ~BM_CLKCTRL_SSP1_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP1);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP2);
reg &= ~BM_CLKCTRL_SSP2_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP2);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP3);
reg &= ~BM_CLKCTRL_SSP3_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SSP3);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_GPMI);
reg &= ~BM_CLKCTRL_GPMI_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_GPMI);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_DIS_LCDIF);
reg &= ~BM_CLKCTRL_DIS_LCDIF_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_DIS_LCDIF);
/* SAIF has to use frac div for functional operation */
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF0);
reg |= BM_CLKCTRL_SAIF0_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF0);
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF1);
reg |= BM_CLKCTRL_SAIF1_DIV_FRAC_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF1);
/*
* Set safe hbus clock divider. A divider of 3 ensure that
* the Vddd voltage required for the cpu clock is sufficiently
* high for the hbus clock.
*/
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS);
reg &= BM_CLKCTRL_HBUS_DIV;
reg |= 3 << BP_CLKCTRL_HBUS_DIV;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_HBUS);
ret = mxs_clkctrl_timeout(HW_CLKCTRL_HBUS, BM_CLKCTRL_HBUS_ASM_BUSY);
/* Gate off cpu clock in WFI for power saving */
__raw_writel(BM_CLKCTRL_CPU_INTERRUPT_WAIT,
CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_SET);
/*
* Extra fec clock setting
* The DENX M28 uses an external clock source
* and the clock output must not be enabled
*/
if (!machine_is_m28evk()) {
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET);
reg &= ~BM_CLKCTRL_ENET_SLEEP;
reg |= BM_CLKCTRL_ENET_CLK_OUT_EN;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET);
}
/*
* 480 MHz seems too high to be ssp clock source directly,
* so set frac0 to get a 288 MHz ref_io0.
*/
reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC0);
reg &= ~BM_CLKCTRL_FRAC0_IO0FRAC;
reg |= 30 << BP_CLKCTRL_FRAC0_IO0FRAC;
__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC0);
return ret;
}
int __init mx28_clocks_init(void)
{
clk_misc_init();
/*
* source ssp clock from ref_io0 than ref_xtal,
* as ref_xtal only provides 24 MHz as maximum.
*/
clk_set_parent(&ssp0_clk, &ref_io0_clk);
clk_set_parent(&ssp1_clk, &ref_io0_clk);
clk_set_parent(&ssp2_clk, &ref_io1_clk);
clk_set_parent(&ssp3_clk, &ref_io1_clk);
clk_prepare_enable(&cpu_clk);
clk_prepare_enable(&hbus_clk);
clk_prepare_enable(&xbus_clk);
clk_prepare_enable(&emi_clk);
clk_prepare_enable(&uart_clk);
clk_set_parent(&lcdif_clk, &ref_pix_clk);
clk_set_parent(&saif0_clk, &pll0_clk);
clk_set_parent(&saif1_clk, &pll0_clk);
/*
* Set an initial clock rate for the saif internal logic to work
* properly. This is important when working in EXTMASTER mode that
* uses the other saif's BITCLK&LRCLK but it still needs a basic
* clock which should be fast enough for the internal logic.
*/
clk_set_rate(&saif0_clk, 24000000);
clk_set_rate(&saif1_clk, 24000000);
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
mxs_timer_init(&clk32k_clk, MX28_INT_TIMER0);
return 0;
}
arch/arm/mach-mxs/clock.c deleted 100644 → 0
View file @ 2664681f
/*
* Based on arch/arm/plat-omap/clock.c
*
* Copyright (C) 2004 - 2005 Nokia corporation
* Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
* Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
* Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2008 Juergen Beisert, kernel@pengutronix.de
*
* 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.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
/* #define DEBUG */
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/proc_fs.h>
#include <linux/semaphore.h>
#include <linux/string.h>
#include <mach/clock.h>
static LIST_HEAD(clocks);
static DEFINE_MUTEX(clocks_mutex);
/*-------------------------------------------------------------------------
* Standard clock functions defined in include/linux/clk.h
*-------------------------------------------------------------------------*/
static void __clk_disable(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))
return;
WARN_ON(!clk->usecount);
if (!(--clk->usecount)) {
if (clk->disable)
clk->disable(clk);
__clk_disable(clk->parent);
}
}
static int __clk_enable(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))
return -EINVAL;
if (clk->usecount++ == 0) {
__clk_enable(clk->parent);
if (clk->enable)
clk->enable(clk);
}
return 0;
}
/*
* The clk_enable/clk_disable could be called by drivers in atomic context,
* so they should not really hold mutex. Instead, clk_prepare/clk_unprepare
* can hold a mutex, as the pair will only be called in non-atomic context.
* Before migrating to common clk framework, we can have __clk_enable and
* __clk_disable called in clk_prepare/clk_unprepare with mutex held and
* leave clk_enable/clk_disable as the dummy functions.
*/
int clk_prepare(struct clk *clk)
{
int ret = 0;
if (clk == NULL || IS_ERR(clk))
return -EINVAL;
mutex_lock(&clocks_mutex);
ret = __clk_enable(clk);
mutex_unlock(&clocks_mutex);
return ret;
}
EXPORT_SYMBOL(clk_prepare);
void clk_unprepare(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))
return;
mutex_lock(&clocks_mutex);
__clk_disable(clk);
mutex_unlock(&clocks_mutex);
}
EXPORT_SYMBOL(clk_unprepare);
int clk_enable(struct clk *clk)
{
return 0;
}
EXPORT_SYMBOL(clk_enable);
void clk_disable(struct clk *clk)
{
/* nothing to do */
}
EXPORT_SYMBOL(clk_disable);
/* Retrieve the *current* clock rate. If the clock itself
* does not provide a special calculation routine, ask
* its parent and so on, until one is able to return
* a valid clock rate
*/
unsigned long clk_get_rate(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))
return 0UL;
if (clk->get_rate)
return clk->get_rate(clk);
return clk_get_rate(clk->parent);
}
EXPORT_SYMBOL(clk_get_rate);
/* Round the requested clock rate to the nearest supported
* rate that is less than or equal to the requested rate.
* This is dependent on the clock's current parent.
*/
long clk_round_rate(struct clk *clk, unsigned long rate)
{
if (clk == NULL || IS_ERR(clk) || !clk->round_rate)
return 0;
return clk->round_rate(clk, rate);
}
EXPORT_SYMBOL(clk_round_rate);
/* Set the clock to the requested clock rate. The rate must
* match a supported rate exactly based on what clk_round_rate returns
*/
int clk_set_rate(struct clk *clk, unsigned long rate)
{
int ret = -EINVAL;
if (clk == NULL || IS_ERR(clk) || clk->set_rate == NULL || rate == 0)
return ret;
mutex_lock(&clocks_mutex);
ret = clk->set_rate(clk, rate);
mutex_unlock(&clocks_mutex);
return ret;
}
EXPORT_SYMBOL(clk_set_rate);
/* Set the clock's parent to another clock source */
int clk_set_parent(struct clk *clk, struct clk *parent)
{
int ret = -EINVAL;
struct clk *old;
if (clk == NULL || IS_ERR(clk) || parent == NULL ||
IS_ERR(parent) || clk->set_parent == NULL)
return ret;
if (clk->usecount)
clk_prepare_enable(parent);
mutex_lock(&clocks_mutex);
ret = clk->set_parent(clk, parent);
if (ret == 0) {
old = clk->parent;
clk->parent = parent;
} else {
old = parent;
}
mutex_unlock(&clocks_mutex);
if (clk->usecount)
clk_disable(old);
return ret;
}
EXPORT_SYMBOL(clk_set_parent);
/* Retrieve the clock's parent clock source */
struct clk *clk_get_parent(struct clk *clk)
{
struct clk *ret = NULL;
if (clk == NULL || IS_ERR(clk))
return ret;
return clk->parent;
}
EXPORT_SYMBOL(clk_get_parent);
arch/arm/mach-mxs/include/mach/clock.h deleted 100644 → 0
View file @ 2664681f
/*
* Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2008 Juergen Beisert, kernel@pengutronix.de
*
* 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.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#ifndef __MACH_MXS_CLOCK_H__
#define __MACH_MXS_CLOCK_H__
#ifndef __ASSEMBLY__
#include <linux/list.h>
struct module;
struct clk {
int id;
/* Source clock this clk depends on */
struct clk *parent;
/* Reference count of clock enable/disable */
__s8 usecount;
/* Register bit position for clock's enable/disable control. */
u8 enable_shift;
/* Register address for clock's enable/disable control. */
void __iomem *enable_reg;
u32 flags;
/* get the current clock rate (always a fresh value) */
unsigned long (*get_rate) (struct clk *);
/* Function ptr to set the clock to a new rate. The rate must match a
supported rate returned from round_rate. Leave blank if clock is not
programmable */
int (*set_rate) (struct clk *, unsigned long);
/* Function ptr to round the requested clock rate to the nearest
supported rate that is less than or equal to the requested rate. */
unsigned long (*round_rate) (struct clk *, unsigned long);
/* Function ptr to enable the clock. Leave blank if clock can not
be gated. */
int (*enable) (struct clk *);
/* Function ptr to disable the clock. Leave blank if clock can not
be gated. */
void (*disable) (struct clk *);
/* Function ptr to set the parent clock of the clock. */
int (*set_parent) (struct clk *, struct clk *);
};
int clk_register(struct clk *clk);
void clk_unregister(struct clk *clk);
#endif /* __ASSEMBLY__ */
#endif /* __MACH_MXS_CLOCK_H__ */
arch/arm/mach-mxs/include/mach/common.h
View file @ 5da301a2
...@@ -31,6 +31,4 @@ extern void mx28_init_irq(void); ...@@ -31,6 +31,4 @@ extern void mx28_init_irq(void);
extern void icoll_init_irq(void); extern void icoll_init_irq(void);
extern int mxs_clkctrl_timeout(unsigned int reg_offset, unsigned int mask);
#endif /* __MACH_MXS_COMMON_H__ */ #endif /* __MACH_MXS_COMMON_H__ */
arch/arm/mach-mxs/regs-clkctrl-mx23.h deleted 100644 → 0
View file @ 2664681f
/*
* Freescale CLKCTRL Register Definitions
*
* Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
* Copyright 2008-2010 Freescale Semiconductor, Inc.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* This file is created by xml file. Don't Edit it.
*
* Xml Revision: 1.48
* Template revision: 26195
*/
#ifndef __REGS_CLKCTRL_MX23_H__
#define __REGS_CLKCTRL_MX23_H__
#define HW_CLKCTRL_PLLCTRL0 (0x00000000)
#define HW_CLKCTRL_PLLCTRL0_SET (0x00000004)
#define HW_CLKCTRL_PLLCTRL0_CLR (0x00000008)
#define HW_CLKCTRL_PLLCTRL0_TOG (0x0000000c)
#define BP_CLKCTRL_PLLCTRL0_LFR_SEL 28
#define BM_CLKCTRL_PLLCTRL0_LFR_SEL 0x30000000
#define BF_CLKCTRL_PLLCTRL0_LFR_SEL(v) \
(((v) << 28) & BM_CLKCTRL_PLLCTRL0_LFR_SEL)
#define BV_CLKCTRL_PLLCTRL0_LFR_SEL__DEFAULT 0x0
#define BV_CLKCTRL_PLLCTRL0_LFR_SEL__TIMES_2 0x1
#define BV_CLKCTRL_PLLCTRL0_LFR_SEL__TIMES_05 0x2
#define BV_CLKCTRL_PLLCTRL0_LFR_SEL__UNDEFINED 0x3
#define BP_CLKCTRL_PLLCTRL0_CP_SEL 24
#define BM_CLKCTRL_PLLCTRL0_CP_SEL 0x03000000
#define BF_CLKCTRL_PLLCTRL0_CP_SEL(v) \
(((v) << 24) & BM_CLKCTRL_PLLCTRL0_CP_SEL)
#define BV_CLKCTRL_PLLCTRL0_CP_SEL__DEFAULT 0x0
#define BV_CLKCTRL_PLLCTRL0_CP_SEL__TIMES_2 0x1
#define BV_CLKCTRL_PLLCTRL0_CP_SEL__TIMES_05 0x2
#define BV_CLKCTRL_PLLCTRL0_CP_SEL__UNDEFINED 0x3
#define BP_CLKCTRL_PLLCTRL0_DIV_SEL 20
#define BM_CLKCTRL_PLLCTRL0_DIV_SEL 0x00300000
#define BF_CLKCTRL_PLLCTRL0_DIV_SEL(v) \
(((v) << 20) & BM_CLKCTRL_PLLCTRL0_DIV_SEL)
#define BV_CLKCTRL_PLLCTRL0_DIV_SEL__DEFAULT 0x0
#define BV_CLKCTRL_PLLCTRL0_DIV_SEL__LOWER 0x1
#define BV_CLKCTRL_PLLCTRL0_DIV_SEL__LOWEST 0x2
#define BV_CLKCTRL_PLLCTRL0_DIV_SEL__UNDEFINED 0x3
#define BM_CLKCTRL_PLLCTRL0_EN_USB_CLKS 0x00040000
#define BM_CLKCTRL_PLLCTRL0_POWER 0x00010000
#define HW_CLKCTRL_PLLCTRL1 (0x00000010)
#define BM_CLKCTRL_PLLCTRL1_LOCK 0x80000000
#define BM_CLKCTRL_PLLCTRL1_FORCE_LOCK 0x40000000
#define BP_CLKCTRL_PLLCTRL1_LOCK_COUNT 0
#define BM_CLKCTRL_PLLCTRL1_LOCK_COUNT 0x0000FFFF
#define BF_CLKCTRL_PLLCTRL1_LOCK_COUNT(v) \
(((v) << 0) & BM_CLKCTRL_PLLCTRL1_LOCK_COUNT)
#define HW_CLKCTRL_CPU (0x00000020)
#define HW_CLKCTRL_CPU_SET (0x00000024)
#define HW_CLKCTRL_CPU_CLR (0x00000028)
#define HW_CLKCTRL_CPU_TOG (0x0000002c)
#define BM_CLKCTRL_CPU_BUSY_REF_XTAL 0x20000000
#define BM_CLKCTRL_CPU_BUSY_REF_CPU 0x10000000
#define BM_CLKCTRL_CPU_DIV_XTAL_FRAC_EN 0x04000000
#define BP_CLKCTRL_CPU_DIV_XTAL 16
#define BM_CLKCTRL_CPU_DIV_XTAL 0x03FF0000
#define BF_CLKCTRL_CPU_DIV_XTAL(v) \
(((v) << 16) & BM_CLKCTRL_CPU_DIV_XTAL)
#define BM_CLKCTRL_CPU_INTERRUPT_WAIT 0x00001000
#define BM_CLKCTRL_CPU_DIV_CPU_FRAC_EN 0x00000400
#define BP_CLKCTRL_CPU_DIV_CPU 0
#define BM_CLKCTRL_CPU_DIV_CPU 0x0000003F
#define BF_CLKCTRL_CPU_DIV_CPU(v) \
(((v) << 0) & BM_CLKCTRL_CPU_DIV_CPU)
#define HW_CLKCTRL_HBUS (0x00000030)
#define HW_CLKCTRL_HBUS_SET (0x00000034)
#define HW_CLKCTRL_HBUS_CLR (0x00000038)
#define HW_CLKCTRL_HBUS_TOG (0x0000003c)
#define BM_CLKCTRL_HBUS_BUSY 0x20000000
#define BM_CLKCTRL_HBUS_DCP_AS_ENABLE 0x10000000
#define BM_CLKCTRL_HBUS_PXP_AS_ENABLE 0x08000000
#define BM_CLKCTRL_HBUS_APBHDMA_AS_ENABLE 0x04000000
#define BM_CLKCTRL_HBUS_APBXDMA_AS_ENABLE 0x02000000
#define BM_CLKCTRL_HBUS_TRAFFIC_JAM_AS_ENABLE 0x01000000
#define BM_CLKCTRL_HBUS_TRAFFIC_AS_ENABLE 0x00800000
#define BM_CLKCTRL_HBUS_CPU_DATA_AS_ENABLE 0x00400000
#define BM_CLKCTRL_HBUS_CPU_INSTR_AS_ENABLE 0x00200000
#define BM_CLKCTRL_HBUS_AUTO_SLOW_MODE 0x00100000
#define BP_CLKCTRL_HBUS_SLOW_DIV 16
#define BM_CLKCTRL_HBUS_SLOW_DIV 0x00070000
#define BF_CLKCTRL_HBUS_SLOW_DIV(v) \
(((v) << 16) & BM_CLKCTRL_HBUS_SLOW_DIV)
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY1 0x0
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY2 0x1
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY4 0x2
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY8 0x3
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY16 0x4
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY32 0x5
#define BM_CLKCTRL_HBUS_DIV_FRAC_EN 0x00000020
#define BP_CLKCTRL_HBUS_DIV 0
#define BM_CLKCTRL_HBUS_DIV 0x0000001F
#define BF_CLKCTRL_HBUS_DIV(v) \
(((v) << 0) & BM_CLKCTRL_HBUS_DIV)
#define HW_CLKCTRL_XBUS (0x00000040)
#define BM_CLKCTRL_XBUS_BUSY 0x80000000
#define BM_CLKCTRL_XBUS_DIV_FRAC_EN 0x00000400
#define BP_CLKCTRL_XBUS_DIV 0
#define BM_CLKCTRL_XBUS_DIV 0x000003FF
#define BF_CLKCTRL_XBUS_DIV(v) \
(((v) << 0) & BM_CLKCTRL_XBUS_DIV)
#define HW_CLKCTRL_XTAL (0x00000050)
#define HW_CLKCTRL_XTAL_SET (0x00000054)
#define HW_CLKCTRL_XTAL_CLR (0x00000058)
#define HW_CLKCTRL_XTAL_TOG (0x0000005c)
#define BP_CLKCTRL_XTAL_UART_CLK_GATE 31
#define BM_CLKCTRL_XTAL_UART_CLK_GATE 0x80000000
#define BP_CLKCTRL_XTAL_FILT_CLK24M_GATE 30
#define BM_CLKCTRL_XTAL_FILT_CLK24M_GATE 0x40000000
#define BP_CLKCTRL_XTAL_PWM_CLK24M_GATE 29
#define BM_CLKCTRL_XTAL_PWM_CLK24M_GATE 0x20000000
#define BM_CLKCTRL_XTAL_DRI_CLK24M_GATE 0x10000000
#define BM_CLKCTRL_XTAL_DIGCTRL_CLK1M_GATE 0x08000000
#define BP_CLKCTRL_XTAL_TIMROT_CLK32K_GATE 26
#define BM_CLKCTRL_XTAL_TIMROT_CLK32K_GATE 0x04000000
#define BP_CLKCTRL_XTAL_DIV_UART 0
#define BM_CLKCTRL_XTAL_DIV_UART 0x00000003
#define BF_CLKCTRL_XTAL_DIV_UART(v) \
(((v) << 0) & BM_CLKCTRL_XTAL_DIV_UART)
#define HW_CLKCTRL_PIX (0x00000060)
#define BP_CLKCTRL_PIX_CLKGATE 31
#define BM_CLKCTRL_PIX_CLKGATE 0x80000000
#define BM_CLKCTRL_PIX_BUSY 0x20000000
#define BM_CLKCTRL_PIX_DIV_FRAC_EN 0x00001000
#define BP_CLKCTRL_PIX_DIV 0
#define BM_CLKCTRL_PIX_DIV 0x00000FFF
#define BF_CLKCTRL_PIX_DIV(v) \
(((v) << 0) & BM_CLKCTRL_PIX_DIV)
#define HW_CLKCTRL_SSP (0x00000070)
#define BP_CLKCTRL_SSP_CLKGATE 31
#define BM_CLKCTRL_SSP_CLKGATE 0x80000000
#define BM_CLKCTRL_SSP_BUSY 0x20000000
#define BM_CLKCTRL_SSP_DIV_FRAC_EN 0x00000200
#define BP_CLKCTRL_SSP_DIV 0
#define BM_CLKCTRL_SSP_DIV 0x000001FF
#define BF_CLKCTRL_SSP_DIV(v) \
(((v) << 0) & BM_CLKCTRL_SSP_DIV)
#define HW_CLKCTRL_GPMI (0x00000080)
#define BP_CLKCTRL_GPMI_CLKGATE 31
#define BM_CLKCTRL_GPMI_CLKGATE 0x80000000
#define BM_CLKCTRL_GPMI_BUSY 0x20000000
#define BM_CLKCTRL_GPMI_DIV_FRAC_EN 0x00000400
#define BP_CLKCTRL_GPMI_DIV 0
#define BM_CLKCTRL_GPMI_DIV 0x000003FF
#define BF_CLKCTRL_GPMI_DIV(v) \
(((v) << 0) & BM_CLKCTRL_GPMI_DIV)
#define HW_CLKCTRL_SPDIF (0x00000090)
#define BM_CLKCTRL_SPDIF_CLKGATE 0x80000000
#define HW_CLKCTRL_EMI (0x000000a0)
#define BP_CLKCTRL_EMI_CLKGATE 31
#define BM_CLKCTRL_EMI_CLKGATE 0x80000000
#define BM_CLKCTRL_EMI_SYNC_MODE_EN 0x40000000
#define BM_CLKCTRL_EMI_BUSY_REF_XTAL 0x20000000
#define BM_CLKCTRL_EMI_BUSY_REF_EMI 0x10000000
#define BM_CLKCTRL_EMI_BUSY_REF_CPU 0x08000000
#define BM_CLKCTRL_EMI_BUSY_SYNC_MODE 0x04000000
#define BM_CLKCTRL_EMI_BUSY_DCC_RESYNC 0x00020000
#define BM_CLKCTRL_EMI_DCC_RESYNC_ENABLE 0x00010000
#define BP_CLKCTRL_EMI_DIV_XTAL 8
#define BM_CLKCTRL_EMI_DIV_XTAL 0x00000F00
#define BF_CLKCTRL_EMI_DIV_XTAL(v) \
(((v) << 8) & BM_CLKCTRL_EMI_DIV_XTAL)
#define BP_CLKCTRL_EMI_DIV_EMI 0
#define BM_CLKCTRL_EMI_DIV_EMI 0x0000003F
#define BF_CLKCTRL_EMI_DIV_EMI(v) \
(((v) << 0) & BM_CLKCTRL_EMI_DIV_EMI)
#define HW_CLKCTRL_IR (0x000000b0)
#define BM_CLKCTRL_IR_CLKGATE 0x80000000
#define BM_CLKCTRL_IR_AUTO_DIV 0x20000000
#define BM_CLKCTRL_IR_IR_BUSY 0x10000000
#define BM_CLKCTRL_IR_IROV_BUSY 0x08000000
#define BP_CLKCTRL_IR_IROV_DIV 16
#define BM_CLKCTRL_IR_IROV_DIV 0x01FF0000
#define BF_CLKCTRL_IR_IROV_DIV(v) \
(((v) << 16) & BM_CLKCTRL_IR_IROV_DIV)
#define BP_CLKCTRL_IR_IR_DIV 0
#define BM_CLKCTRL_IR_IR_DIV 0x000003FF
#define BF_CLKCTRL_IR_IR_DIV(v) \
(((v) << 0) & BM_CLKCTRL_IR_IR_DIV)
#define HW_CLKCTRL_SAIF (0x000000c0)
#define BM_CLKCTRL_SAIF_CLKGATE 0x80000000
#define BM_CLKCTRL_SAIF_BUSY 0x20000000
#define BM_CLKCTRL_SAIF_DIV_FRAC_EN 0x00010000
#define BP_CLKCTRL_SAIF_DIV 0
#define BM_CLKCTRL_SAIF_DIV 0x0000FFFF
#define BF_CLKCTRL_SAIF_DIV(v) \
(((v) << 0) & BM_CLKCTRL_SAIF_DIV)
#define HW_CLKCTRL_TV (0x000000d0)
#define BM_CLKCTRL_TV_CLK_TV108M_GATE 0x80000000
#define BM_CLKCTRL_TV_CLK_TV_GATE 0x40000000
#define HW_CLKCTRL_ETM (0x000000e0)
#define BM_CLKCTRL_ETM_CLKGATE 0x80000000
#define BM_CLKCTRL_ETM_BUSY 0x20000000
#define BM_CLKCTRL_ETM_DIV_FRAC_EN 0x00000040
#define BP_CLKCTRL_ETM_DIV 0
#define BM_CLKCTRL_ETM_DIV 0x0000003F
#define BF_CLKCTRL_ETM_DIV(v) \
(((v) << 0) & BM_CLKCTRL_ETM_DIV)
#define HW_CLKCTRL_FRAC (0x000000f0)
#define HW_CLKCTRL_FRAC_SET (0x000000f4)
#define HW_CLKCTRL_FRAC_CLR (0x000000f8)
#define HW_CLKCTRL_FRAC_TOG (0x000000fc)
#define BP_CLKCTRL_FRAC_CLKGATEIO 31
#define BM_CLKCTRL_FRAC_CLKGATEIO 0x80000000
#define BM_CLKCTRL_FRAC_IO_STABLE 0x40000000
#define BP_CLKCTRL_FRAC_IOFRAC 24
#define BM_CLKCTRL_FRAC_IOFRAC 0x3F000000
#define BF_CLKCTRL_FRAC_IOFRAC(v) \
(((v) << 24) & BM_CLKCTRL_FRAC_IOFRAC)
#define BP_CLKCTRL_FRAC_CLKGATEPIX 23
#define BM_CLKCTRL_FRAC_CLKGATEPIX 0x00800000
#define BM_CLKCTRL_FRAC_PIX_STABLE 0x00400000
#define BP_CLKCTRL_FRAC_PIXFRAC 16
#define BM_CLKCTRL_FRAC_PIXFRAC 0x003F0000
#define BF_CLKCTRL_FRAC_PIXFRAC(v) \
(((v) << 16) & BM_CLKCTRL_FRAC_PIXFRAC)
#define BP_CLKCTRL_FRAC_CLKGATEEMI 15
#define BM_CLKCTRL_FRAC_CLKGATEEMI 0x00008000
#define BM_CLKCTRL_FRAC_EMI_STABLE 0x00004000
#define BP_CLKCTRL_FRAC_EMIFRAC 8
#define BM_CLKCTRL_FRAC_EMIFRAC 0x00003F00
#define BF_CLKCTRL_FRAC_EMIFRAC(v) \
(((v) << 8) & BM_CLKCTRL_FRAC_EMIFRAC)
#define BP_CLKCTRL_FRAC_CLKGATECPU 7
#define BM_CLKCTRL_FRAC_CLKGATECPU 0x00000080
#define BM_CLKCTRL_FRAC_CPU_STABLE 0x00000040
#define BP_CLKCTRL_FRAC_CPUFRAC 0
#define BM_CLKCTRL_FRAC_CPUFRAC 0x0000003F
#define BF_CLKCTRL_FRAC_CPUFRAC(v) \
(((v) << 0) & BM_CLKCTRL_FRAC_CPUFRAC)
#define HW_CLKCTRL_FRAC1 (0x00000100)
#define HW_CLKCTRL_FRAC1_SET (0x00000104)
#define HW_CLKCTRL_FRAC1_CLR (0x00000108)
#define HW_CLKCTRL_FRAC1_TOG (0x0000010c)
#define BM_CLKCTRL_FRAC1_CLKGATEVID 0x80000000
#define BM_CLKCTRL_FRAC1_VID_STABLE 0x40000000
#define HW_CLKCTRL_CLKSEQ (0x00000110)
#define HW_CLKCTRL_CLKSEQ_SET (0x00000114)
#define HW_CLKCTRL_CLKSEQ_CLR (0x00000118)
#define HW_CLKCTRL_CLKSEQ_TOG (0x0000011c)
#define BM_CLKCTRL_CLKSEQ_BYPASS_ETM 0x00000100
#define BM_CLKCTRL_CLKSEQ_BYPASS_CPU 0x00000080
#define BM_CLKCTRL_CLKSEQ_BYPASS_EMI 0x00000040
#define BM_CLKCTRL_CLKSEQ_BYPASS_SSP 0x00000020
#define BM_CLKCTRL_CLKSEQ_BYPASS_GPMI 0x00000010
#define BM_CLKCTRL_CLKSEQ_BYPASS_IR 0x00000008
#define BM_CLKCTRL_CLKSEQ_BYPASS_PIX 0x00000002
#define BM_CLKCTRL_CLKSEQ_BYPASS_SAIF 0x00000001
#define HW_CLKCTRL_RESET (0x00000120)
#define BM_CLKCTRL_RESET_CHIP 0x00000002
#define BM_CLKCTRL_RESET_DIG 0x00000001
#define HW_CLKCTRL_STATUS (0x00000130)
#define BP_CLKCTRL_STATUS_CPU_LIMIT 30
#define BM_CLKCTRL_STATUS_CPU_LIMIT 0xC0000000
#define BF_CLKCTRL_STATUS_CPU_LIMIT(v) \
(((v) << 30) & BM_CLKCTRL_STATUS_CPU_LIMIT)
#define HW_CLKCTRL_VERSION (0x00000140)
#define BP_CLKCTRL_VERSION_MAJOR 24
#define BM_CLKCTRL_VERSION_MAJOR 0xFF000000
#define BF_CLKCTRL_VERSION_MAJOR(v) \
(((v) << 24) & BM_CLKCTRL_VERSION_MAJOR)
#define BP_CLKCTRL_VERSION_MINOR 16
#define BM_CLKCTRL_VERSION_MINOR 0x00FF0000
#define BF_CLKCTRL_VERSION_MINOR(v) \
(((v) << 16) & BM_CLKCTRL_VERSION_MINOR)
#define BP_CLKCTRL_VERSION_STEP 0
#define BM_CLKCTRL_VERSION_STEP 0x0000FFFF
#define BF_CLKCTRL_VERSION_STEP(v) \
(((v) << 0) & BM_CLKCTRL_VERSION_STEP)
#endif /* __REGS_CLKCTRL_MX23_H__ */
arch/arm/mach-mxs/regs-clkctrl-mx28.h deleted 100644 → 0
View file @ 2664681f
/*
* Freescale CLKCTRL Register Definitions
*
* Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* This file is created by xml file. Don't Edit it.
*
* Xml Revision: 1.48
* Template revision: 26195
*/
#ifndef __REGS_CLKCTRL_MX28_H__
#define __REGS_CLKCTRL_MX28_H__
#define HW_CLKCTRL_PLL0CTRL0 (0x00000000)
#define HW_CLKCTRL_PLL0CTRL0_SET (0x00000004)
#define HW_CLKCTRL_PLL0CTRL0_CLR (0x00000008)
#define HW_CLKCTRL_PLL0CTRL0_TOG (0x0000000c)
#define BP_CLKCTRL_PLL0CTRL0_LFR_SEL 28
#define BM_CLKCTRL_PLL0CTRL0_LFR_SEL 0x30000000
#define BF_CLKCTRL_PLL0CTRL0_LFR_SEL(v) \
(((v) << 28) & BM_CLKCTRL_PLL0CTRL0_LFR_SEL)
#define BV_CLKCTRL_PLL0CTRL0_LFR_SEL__DEFAULT 0x0
#define BV_CLKCTRL_PLL0CTRL0_LFR_SEL__TIMES_2 0x1
#define BV_CLKCTRL_PLL0CTRL0_LFR_SEL__TIMES_05 0x2
#define BV_CLKCTRL_PLL0CTRL0_LFR_SEL__UNDEFINED 0x3
#define BP_CLKCTRL_PLL0CTRL0_CP_SEL 24
#define BM_CLKCTRL_PLL0CTRL0_CP_SEL 0x03000000
#define BF_CLKCTRL_PLL0CTRL0_CP_SEL(v) \
(((v) << 24) & BM_CLKCTRL_PLL0CTRL0_CP_SEL)
#define BV_CLKCTRL_PLL0CTRL0_CP_SEL__DEFAULT 0x0
#define BV_CLKCTRL_PLL0CTRL0_CP_SEL__TIMES_2 0x1
#define BV_CLKCTRL_PLL0CTRL0_CP_SEL__TIMES_05 0x2
#define BV_CLKCTRL_PLL0CTRL0_CP_SEL__UNDEFINED 0x3
#define BP_CLKCTRL_PLL0CTRL0_DIV_SEL 20
#define BM_CLKCTRL_PLL0CTRL0_DIV_SEL 0x00300000
#define BF_CLKCTRL_PLL0CTRL0_DIV_SEL(v) \
(((v) << 20) & BM_CLKCTRL_PLL0CTRL0_DIV_SEL)
#define BV_CLKCTRL_PLL0CTRL0_DIV_SEL__DEFAULT 0x0
#define BV_CLKCTRL_PLL0CTRL0_DIV_SEL__LOWER 0x1
#define BV_CLKCTRL_PLL0CTRL0_DIV_SEL__LOWEST 0x2
#define BV_CLKCTRL_PLL0CTRL0_DIV_SEL__UNDEFINED 0x3
#define BM_CLKCTRL_PLL0CTRL0_EN_USB_CLKS 0x00040000
#define BM_CLKCTRL_PLL0CTRL0_POWER 0x00020000
#define HW_CLKCTRL_PLL0CTRL1 (0x00000010)
#define BM_CLKCTRL_PLL0CTRL1_LOCK 0x80000000
#define BM_CLKCTRL_PLL0CTRL1_FORCE_LOCK 0x40000000
#define BP_CLKCTRL_PLL0CTRL1_LOCK_COUNT 0
#define BM_CLKCTRL_PLL0CTRL1_LOCK_COUNT 0x0000FFFF
#define BF_CLKCTRL_PLL0CTRL1_LOCK_COUNT(v) \
(((v) << 0) & BM_CLKCTRL_PLL0CTRL1_LOCK_COUNT)
#define HW_CLKCTRL_PLL1CTRL0 (0x00000020)
#define HW_CLKCTRL_PLL1CTRL0_SET (0x00000024)
#define HW_CLKCTRL_PLL1CTRL0_CLR (0x00000028)
#define HW_CLKCTRL_PLL1CTRL0_TOG (0x0000002c)
#define BM_CLKCTRL_PLL1CTRL0_CLKGATEEMI 0x80000000
#define BP_CLKCTRL_PLL1CTRL0_LFR_SEL 28
#define BM_CLKCTRL_PLL1CTRL0_LFR_SEL 0x30000000
#define BF_CLKCTRL_PLL1CTRL0_LFR_SEL(v) \
(((v) << 28) & BM_CLKCTRL_PLL1CTRL0_LFR_SEL)
#define BV_CLKCTRL_PLL1CTRL0_LFR_SEL__DEFAULT 0x0
#define BV_CLKCTRL_PLL1CTRL0_LFR_SEL__TIMES_2 0x1
#define BV_CLKCTRL_PLL1CTRL0_LFR_SEL__TIMES_05 0x2
#define BV_CLKCTRL_PLL1CTRL0_LFR_SEL__UNDEFINED 0x3
#define BP_CLKCTRL_PLL1CTRL0_CP_SEL 24
#define BM_CLKCTRL_PLL1CTRL0_CP_SEL 0x03000000
#define BF_CLKCTRL_PLL1CTRL0_CP_SEL(v) \
(((v) << 24) & BM_CLKCTRL_PLL1CTRL0_CP_SEL)
#define BV_CLKCTRL_PLL1CTRL0_CP_SEL__DEFAULT 0x0
#define BV_CLKCTRL_PLL1CTRL0_CP_SEL__TIMES_2 0x1
#define BV_CLKCTRL_PLL1CTRL0_CP_SEL__TIMES_05 0x2
#define BV_CLKCTRL_PLL1CTRL0_CP_SEL__UNDEFINED 0x3
#define BP_CLKCTRL_PLL1CTRL0_DIV_SEL 20
#define BM_CLKCTRL_PLL1CTRL0_DIV_SEL 0x00300000
#define BF_CLKCTRL_PLL1CTRL0_DIV_SEL(v) \
(((v) << 20) & BM_CLKCTRL_PLL1CTRL0_DIV_SEL)
#define BV_CLKCTRL_PLL1CTRL0_DIV_SEL__DEFAULT 0x0
#define BV_CLKCTRL_PLL1CTRL0_DIV_SEL__LOWER 0x1
#define BV_CLKCTRL_PLL1CTRL0_DIV_SEL__LOWEST 0x2
#define BV_CLKCTRL_PLL1CTRL0_DIV_SEL__UNDEFINED 0x3
#define BM_CLKCTRL_PLL1CTRL0_EN_USB_CLKS 0x00040000
#define BM_CLKCTRL_PLL1CTRL0_POWER 0x00020000
#define HW_CLKCTRL_PLL1CTRL1 (0x00000030)
#define BM_CLKCTRL_PLL1CTRL1_LOCK 0x80000000
#define BM_CLKCTRL_PLL1CTRL1_FORCE_LOCK 0x40000000
#define BP_CLKCTRL_PLL1CTRL1_LOCK_COUNT 0
#define BM_CLKCTRL_PLL1CTRL1_LOCK_COUNT 0x0000FFFF
#define BF_CLKCTRL_PLL1CTRL1_LOCK_COUNT(v) \
(((v) << 0) & BM_CLKCTRL_PLL1CTRL1_LOCK_COUNT)
#define HW_CLKCTRL_PLL2CTRL0 (0x00000040)
#define HW_CLKCTRL_PLL2CTRL0_SET (0x00000044)
#define HW_CLKCTRL_PLL2CTRL0_CLR (0x00000048)
#define HW_CLKCTRL_PLL2CTRL0_TOG (0x0000004c)
#define BM_CLKCTRL_PLL2CTRL0_CLKGATE 0x80000000
#define BP_CLKCTRL_PLL2CTRL0_LFR_SEL 28
#define BM_CLKCTRL_PLL2CTRL0_LFR_SEL 0x30000000
#define BF_CLKCTRL_PLL2CTRL0_LFR_SEL(v) \
(((v) << 28) & BM_CLKCTRL_PLL2CTRL0_LFR_SEL)
#define BM_CLKCTRL_PLL2CTRL0_HOLD_RING_OFF_B 0x04000000
#define BP_CLKCTRL_PLL2CTRL0_CP_SEL 24
#define BM_CLKCTRL_PLL2CTRL0_CP_SEL 0x03000000
#define BF_CLKCTRL_PLL2CTRL0_CP_SEL(v) \
(((v) << 24) & BM_CLKCTRL_PLL2CTRL0_CP_SEL)
#define BM_CLKCTRL_PLL2CTRL0_POWER 0x00800000
#define HW_CLKCTRL_CPU (0x00000050)
#define HW_CLKCTRL_CPU_SET (0x00000054)
#define HW_CLKCTRL_CPU_CLR (0x00000058)
#define HW_CLKCTRL_CPU_TOG (0x0000005c)
#define BM_CLKCTRL_CPU_BUSY_REF_XTAL 0x20000000
#define BM_CLKCTRL_CPU_BUSY_REF_CPU 0x10000000
#define BM_CLKCTRL_CPU_DIV_XTAL_FRAC_EN 0x04000000
#define BP_CLKCTRL_CPU_DIV_XTAL 16
#define BM_CLKCTRL_CPU_DIV_XTAL 0x03FF0000
#define BF_CLKCTRL_CPU_DIV_XTAL(v) \
(((v) << 16) & BM_CLKCTRL_CPU_DIV_XTAL)
#define BM_CLKCTRL_CPU_INTERRUPT_WAIT 0x00001000
#define BM_CLKCTRL_CPU_DIV_CPU_FRAC_EN 0x00000400
#define BP_CLKCTRL_CPU_DIV_CPU 0
#define BM_CLKCTRL_CPU_DIV_CPU 0x0000003F
#define BF_CLKCTRL_CPU_DIV_CPU(v) \
(((v) << 0) & BM_CLKCTRL_CPU_DIV_CPU)
#define HW_CLKCTRL_HBUS (0x00000060)
#define HW_CLKCTRL_HBUS_SET (0x00000064)
#define HW_CLKCTRL_HBUS_CLR (0x00000068)
#define HW_CLKCTRL_HBUS_TOG (0x0000006c)
#define BM_CLKCTRL_HBUS_ASM_BUSY 0x80000000
#define BM_CLKCTRL_HBUS_DCP_AS_ENABLE 0x40000000
#define BM_CLKCTRL_HBUS_PXP_AS_ENABLE 0x20000000
#define BM_CLKCTRL_HBUS_ASM_EMIPORT_AS_ENABLE 0x08000000
#define BM_CLKCTRL_HBUS_APBHDMA_AS_ENABLE 0x04000000
#define BM_CLKCTRL_HBUS_APBXDMA_AS_ENABLE 0x02000000
#define BM_CLKCTRL_HBUS_TRAFFIC_JAM_AS_ENABLE 0x01000000
#define BM_CLKCTRL_HBUS_TRAFFIC_AS_ENABLE 0x00800000
#define BM_CLKCTRL_HBUS_CPU_DATA_AS_ENABLE 0x00400000
#define BM_CLKCTRL_HBUS_CPU_INSTR_AS_ENABLE 0x00200000
#define BM_CLKCTRL_HBUS_ASM_ENABLE 0x00100000
#define BM_CLKCTRL_HBUS_AUTO_CLEAR_DIV_ENABLE 0x00080000
#define BP_CLKCTRL_HBUS_SLOW_DIV 16
#define BM_CLKCTRL_HBUS_SLOW_DIV 0x00070000
#define BF_CLKCTRL_HBUS_SLOW_DIV(v) \
(((v) << 16) & BM_CLKCTRL_HBUS_SLOW_DIV)
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY1 0x0
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY2 0x1
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY4 0x2
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY8 0x3
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY16 0x4
#define BV_CLKCTRL_HBUS_SLOW_DIV__BY32 0x5
#define BM_CLKCTRL_HBUS_DIV_FRAC_EN 0x00000020
#define BP_CLKCTRL_HBUS_DIV 0
#define BM_CLKCTRL_HBUS_DIV 0x0000001F
#define BF_CLKCTRL_HBUS_DIV(v) \
(((v) << 0) & BM_CLKCTRL_HBUS_DIV)
#define HW_CLKCTRL_XBUS (0x00000070)
#define BM_CLKCTRL_XBUS_BUSY 0x80000000
#define BM_CLKCTRL_XBUS_AUTO_CLEAR_DIV_ENABLE 0x00000800
#define BM_CLKCTRL_XBUS_DIV_FRAC_EN 0x00000400
#define BP_CLKCTRL_XBUS_DIV 0
#define BM_CLKCTRL_XBUS_DIV 0x000003FF
#define BF_CLKCTRL_XBUS_DIV(v) \
(((v) << 0) & BM_CLKCTRL_XBUS_DIV)
#define HW_CLKCTRL_XTAL (0x00000080)
#define HW_CLKCTRL_XTAL_SET (0x00000084)
#define HW_CLKCTRL_XTAL_CLR (0x00000088)
#define HW_CLKCTRL_XTAL_TOG (0x0000008c)
#define BP_CLKCTRL_XTAL_UART_CLK_GATE 31
#define BM_CLKCTRL_XTAL_UART_CLK_GATE 0x80000000
#define BP_CLKCTRL_XTAL_PWM_CLK24M_GATE 29
#define BM_CLKCTRL_XTAL_PWM_CLK24M_GATE 0x20000000
#define BP_CLKCTRL_XTAL_TIMROT_CLK32K_GATE 26
#define BM_CLKCTRL_XTAL_TIMROT_CLK32K_GATE 0x04000000
#define BP_CLKCTRL_XTAL_DIV_UART 0
#define BM_CLKCTRL_XTAL_DIV_UART 0x00000003
#define BF_CLKCTRL_XTAL_DIV_UART(v) \
(((v) << 0) & BM_CLKCTRL_XTAL_DIV_UART)
#define HW_CLKCTRL_SSP0 (0x00000090)
#define BP_CLKCTRL_SSP0_CLKGATE 31
#define BM_CLKCTRL_SSP0_CLKGATE 0x80000000
#define BM_CLKCTRL_SSP0_BUSY 0x20000000
#define BM_CLKCTRL_SSP0_DIV_FRAC_EN 0x00000200
#define BP_CLKCTRL_SSP0_DIV 0
#define BM_CLKCTRL_SSP0_DIV 0x000001FF
#define BF_CLKCTRL_SSP0_DIV(v) \
(((v) << 0) & BM_CLKCTRL_SSP0_DIV)
#define HW_CLKCTRL_SSP1 (0x000000a0)
#define BP_CLKCTRL_SSP1_CLKGATE 31
#define BM_CLKCTRL_SSP1_CLKGATE 0x80000000
#define BM_CLKCTRL_SSP1_BUSY 0x20000000
#define BM_CLKCTRL_SSP1_DIV_FRAC_EN 0x00000200
#define BP_CLKCTRL_SSP1_DIV 0
#define BM_CLKCTRL_SSP1_DIV 0x000001FF
#define BF_CLKCTRL_SSP1_DIV(v) \
(((v) << 0) & BM_CLKCTRL_SSP1_DIV)
#define HW_CLKCTRL_SSP2 (0x000000b0)
#define BP_CLKCTRL_SSP2_CLKGATE 31
#define BM_CLKCTRL_SSP2_CLKGATE 0x80000000
#define BM_CLKCTRL_SSP2_BUSY 0x20000000
#define BM_CLKCTRL_SSP2_DIV_FRAC_EN 0x00000200
#define BP_CLKCTRL_SSP2_DIV 0
#define BM_CLKCTRL_SSP2_DIV 0x000001FF
#define BF_CLKCTRL_SSP2_DIV(v) \
(((v) << 0) & BM_CLKCTRL_SSP2_DIV)
#define HW_CLKCTRL_SSP3 (0x000000c0)
#define BP_CLKCTRL_SSP3_CLKGATE 31
#define BM_CLKCTRL_SSP3_CLKGATE 0x80000000
#define BM_CLKCTRL_SSP3_BUSY 0x20000000
#define BM_CLKCTRL_SSP3_DIV_FRAC_EN 0x00000200
#define BP_CLKCTRL_SSP3_DIV 0
#define BM_CLKCTRL_SSP3_DIV 0x000001FF
#define BF_CLKCTRL_SSP3_DIV(v) \
(((v) << 0) & BM_CLKCTRL_SSP3_DIV)
#define HW_CLKCTRL_GPMI (0x000000d0)
#define BP_CLKCTRL_GPMI_CLKGATE 31
#define BM_CLKCTRL_GPMI_CLKGATE 0x80000000
#define BM_CLKCTRL_GPMI_BUSY 0x20000000
#define BM_CLKCTRL_GPMI_DIV_FRAC_EN 0x00000400
#define BP_CLKCTRL_GPMI_DIV 0
#define BM_CLKCTRL_GPMI_DIV 0x000003FF
#define BF_CLKCTRL_GPMI_DIV(v) \
(((v) << 0) & BM_CLKCTRL_GPMI_DIV)
#define HW_CLKCTRL_SPDIF (0x000000e0)
#define BP_CLKCTRL_SPDIF_CLKGATE 31
#define BM_CLKCTRL_SPDIF_CLKGATE 0x80000000
#define HW_CLKCTRL_EMI (0x000000f0)
#define BP_CLKCTRL_EMI_CLKGATE 31
#define BM_CLKCTRL_EMI_CLKGATE 0x80000000
#define BM_CLKCTRL_EMI_SYNC_MODE_EN 0x40000000
#define BM_CLKCTRL_EMI_BUSY_REF_XTAL 0x20000000
#define BM_CLKCTRL_EMI_BUSY_REF_EMI 0x10000000
#define BM_CLKCTRL_EMI_BUSY_REF_CPU 0x08000000
#define BM_CLKCTRL_EMI_BUSY_SYNC_MODE 0x04000000
#define BM_CLKCTRL_EMI_BUSY_DCC_RESYNC 0x00020000
#define BM_CLKCTRL_EMI_DCC_RESYNC_ENABLE 0x00010000
#define BP_CLKCTRL_EMI_DIV_XTAL 8
#define BM_CLKCTRL_EMI_DIV_XTAL 0x00000F00
#define BF_CLKCTRL_EMI_DIV_XTAL(v) \
(((v) << 8) & BM_CLKCTRL_EMI_DIV_XTAL)
#define BP_CLKCTRL_EMI_DIV_EMI 0
#define BM_CLKCTRL_EMI_DIV_EMI 0x0000003F
#define BF_CLKCTRL_EMI_DIV_EMI(v) \
(((v) << 0) & BM_CLKCTRL_EMI_DIV_EMI)
#define HW_CLKCTRL_SAIF0 (0x00000100)
#define BP_CLKCTRL_SAIF0_CLKGATE 31
#define BM_CLKCTRL_SAIF0_CLKGATE 0x80000000
#define BM_CLKCTRL_SAIF0_BUSY 0x20000000
#define BM_CLKCTRL_SAIF0_DIV_FRAC_EN 0x00010000
#define BP_CLKCTRL_SAIF0_DIV 0
#define BM_CLKCTRL_SAIF0_DIV 0x0000FFFF
#define BF_CLKCTRL_SAIF0_DIV(v) \
(((v) << 0) & BM_CLKCTRL_SAIF0_DIV)
#define HW_CLKCTRL_SAIF1 (0x00000110)
#define BP_CLKCTRL_SAIF1_CLKGATE 31
#define BM_CLKCTRL_SAIF1_CLKGATE 0x80000000
#define BM_CLKCTRL_SAIF1_BUSY 0x20000000
#define BM_CLKCTRL_SAIF1_DIV_FRAC_EN 0x00010000
#define BP_CLKCTRL_SAIF1_DIV 0
#define BM_CLKCTRL_SAIF1_DIV 0x0000FFFF
#define BF_CLKCTRL_SAIF1_DIV(v) \
(((v) << 0) & BM_CLKCTRL_SAIF1_DIV)
#define HW_CLKCTRL_DIS_LCDIF (0x00000120)
#define BP_CLKCTRL_DIS_LCDIF_CLKGATE 31
#define BM_CLKCTRL_DIS_LCDIF_CLKGATE 0x80000000
#define BM_CLKCTRL_DIS_LCDIF_BUSY 0x20000000
#define BM_CLKCTRL_DIS_LCDIF_DIV_FRAC_EN 0x00002000
#define BP_CLKCTRL_DIS_LCDIF_DIV 0
#define BM_CLKCTRL_DIS_LCDIF_DIV 0x00001FFF
#define BF_CLKCTRL_DIS_LCDIF_DIV(v) \
(((v) << 0) & BM_CLKCTRL_DIS_LCDIF_DIV)
#define HW_CLKCTRL_ETM (0x00000130)
#define BM_CLKCTRL_ETM_CLKGATE 0x80000000
#define BM_CLKCTRL_ETM_BUSY 0x20000000
#define BM_CLKCTRL_ETM_DIV_FRAC_EN 0x00000080
#define BP_CLKCTRL_ETM_DIV 0
#define BM_CLKCTRL_ETM_DIV 0x0000007F
#define BF_CLKCTRL_ETM_DIV(v) \
(((v) << 0) & BM_CLKCTRL_ETM_DIV)
#define HW_CLKCTRL_ENET (0x00000140)
#define BM_CLKCTRL_ENET_SLEEP 0x80000000
#define BP_CLKCTRL_ENET_DISABLE 30
#define BM_CLKCTRL_ENET_DISABLE 0x40000000
#define BM_CLKCTRL_ENET_STATUS 0x20000000
#define BM_CLKCTRL_ENET_BUSY_TIME 0x08000000
#define BP_CLKCTRL_ENET_DIV_TIME 21
#define BM_CLKCTRL_ENET_DIV_TIME 0x07E00000
#define BF_CLKCTRL_ENET_DIV_TIME(v) \
(((v) << 21) & BM_CLKCTRL_ENET_DIV_TIME)
#define BM_CLKCTRL_ENET_BUSY 0x08000000
#define BP_CLKCTRL_ENET_DIV 21
#define BM_CLKCTRL_ENET_DIV 0x07E00000
#define BF_CLKCTRL_ENET_DIV(v) \
(((v) << 21) & BM_CLKCTRL_ENET_DIV)
#define BP_CLKCTRL_ENET_TIME_SEL 19
#define BM_CLKCTRL_ENET_TIME_SEL 0x00180000
#define BF_CLKCTRL_ENET_TIME_SEL(v) \
(((v) << 19) & BM_CLKCTRL_ENET_TIME_SEL)
#define BV_CLKCTRL_ENET_TIME_SEL__XTAL 0x0
#define BV_CLKCTRL_ENET_TIME_SEL__PLL 0x1
#define BV_CLKCTRL_ENET_TIME_SEL__RMII_CLK 0x2
#define BV_CLKCTRL_ENET_TIME_SEL__UNDEFINED 0x3
#define BM_CLKCTRL_ENET_CLK_OUT_EN 0x00040000
#define BM_CLKCTRL_ENET_RESET_BY_SW_CHIP 0x00020000
#define BM_CLKCTRL_ENET_RESET_BY_SW 0x00010000
#define HW_CLKCTRL_HSADC (0x00000150)
#define BM_CLKCTRL_HSADC_RESETB 0x40000000
#define BP_CLKCTRL_HSADC_FREQDIV 28
#define BM_CLKCTRL_HSADC_FREQDIV 0x30000000
#define BF_CLKCTRL_HSADC_FREQDIV(v) \
(((v) << 28) & BM_CLKCTRL_HSADC_FREQDIV)
#define HW_CLKCTRL_FLEXCAN (0x00000160)
#define BP_CLKCTRL_FLEXCAN_STOP_CAN0 30
#define BM_CLKCTRL_FLEXCAN_STOP_CAN0 0x40000000
#define BM_CLKCTRL_FLEXCAN_CAN0_STATUS 0x20000000
#define BP_CLKCTRL_FLEXCAN_STOP_CAN1 28
#define BM_CLKCTRL_FLEXCAN_STOP_CAN1 0x10000000
#define BM_CLKCTRL_FLEXCAN_CAN1_STATUS 0x08000000
#define HW_CLKCTRL_FRAC0 (0x000001b0)
#define HW_CLKCTRL_FRAC0_SET (0x000001b4)
#define HW_CLKCTRL_FRAC0_CLR (0x000001b8)
#define HW_CLKCTRL_FRAC0_TOG (0x000001bc)
#define BP_CLKCTRL_FRAC0_CLKGATEIO0 31
#define BM_CLKCTRL_FRAC0_CLKGATEIO0 0x80000000
#define BM_CLKCTRL_FRAC0_IO0_STABLE 0x40000000
#define BP_CLKCTRL_FRAC0_IO0FRAC 24
#define BM_CLKCTRL_FRAC0_IO0FRAC 0x3F000000
#define BF_CLKCTRL_FRAC0_IO0FRAC(v) \
(((v) << 24) & BM_CLKCTRL_FRAC0_IO0FRAC)
#define BP_CLKCTRL_FRAC0_CLKGATEIO1 23
#define BM_CLKCTRL_FRAC0_CLKGATEIO1 0x00800000
#define BM_CLKCTRL_FRAC0_IO1_STABLE 0x00400000
#define BP_CLKCTRL_FRAC0_IO1FRAC 16
#define BM_CLKCTRL_FRAC0_IO1FRAC 0x003F0000
#define BF_CLKCTRL_FRAC0_IO1FRAC(v) \
(((v) << 16) & BM_CLKCTRL_FRAC0_IO1FRAC)
#define BP_CLKCTRL_FRAC0_CLKGATEEMI 15
#define BM_CLKCTRL_FRAC0_CLKGATEEMI 0x00008000
#define BM_CLKCTRL_FRAC0_EMI_STABLE 0x00004000
#define BP_CLKCTRL_FRAC0_EMIFRAC 8
#define BM_CLKCTRL_FRAC0_EMIFRAC 0x00003F00
#define BF_CLKCTRL_FRAC0_EMIFRAC(v) \
(((v) << 8) & BM_CLKCTRL_FRAC0_EMIFRAC)
#define BP_CLKCTRL_FRAC0_CLKGATECPU 7
#define BM_CLKCTRL_FRAC0_CLKGATECPU 0x00000080
#define BM_CLKCTRL_FRAC0_CPU_STABLE 0x00000040
#define BP_CLKCTRL_FRAC0_CPUFRAC 0
#define BM_CLKCTRL_FRAC0_CPUFRAC 0x0000003F
#define BF_CLKCTRL_FRAC0_CPUFRAC(v) \
(((v) << 0) & BM_CLKCTRL_FRAC0_CPUFRAC)
#define HW_CLKCTRL_FRAC1 (0x000001c0)
#define HW_CLKCTRL_FRAC1_SET (0x000001c4)
#define HW_CLKCTRL_FRAC1_CLR (0x000001c8)
#define HW_CLKCTRL_FRAC1_TOG (0x000001cc)
#define BP_CLKCTRL_FRAC1_CLKGATEGPMI 23
#define BM_CLKCTRL_FRAC1_CLKGATEGPMI 0x00800000
#define BM_CLKCTRL_FRAC1_GPMI_STABLE 0x00400000
#define BP_CLKCTRL_FRAC1_GPMIFRAC 16
#define BM_CLKCTRL_FRAC1_GPMIFRAC 0x003F0000
#define BF_CLKCTRL_FRAC1_GPMIFRAC(v) \
(((v) << 16) & BM_CLKCTRL_FRAC1_GPMIFRAC)
#define BP_CLKCTRL_FRAC1_CLKGATEHSADC 15
#define BM_CLKCTRL_FRAC1_CLKGATEHSADC 0x00008000
#define BM_CLKCTRL_FRAC1_HSADC_STABLE 0x00004000
#define BP_CLKCTRL_FRAC1_HSADCFRAC 8
#define BM_CLKCTRL_FRAC1_HSADCFRAC 0x00003F00
#define BF_CLKCTRL_FRAC1_HSADCFRAC(v) \
(((v) << 8) & BM_CLKCTRL_FRAC1_HSADCFRAC)
#define BP_CLKCTRL_FRAC1_CLKGATEPIX 7
#define BM_CLKCTRL_FRAC1_CLKGATEPIX 0x00000080
#define BM_CLKCTRL_FRAC1_PIX_STABLE 0x00000040
#define BP_CLKCTRL_FRAC1_PIXFRAC 0
#define BM_CLKCTRL_FRAC1_PIXFRAC 0x0000003F
#define BF_CLKCTRL_FRAC1_PIXFRAC(v) \
(((v) << 0) & BM_CLKCTRL_FRAC1_PIXFRAC)
#define HW_CLKCTRL_CLKSEQ (0x000001d0)
#define HW_CLKCTRL_CLKSEQ_SET (0x000001d4)
#define HW_CLKCTRL_CLKSEQ_CLR (0x000001d8)
#define HW_CLKCTRL_CLKSEQ_TOG (0x000001dc)
#define BM_CLKCTRL_CLKSEQ_BYPASS_CPU 0x00040000
#define BM_CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF 0x00004000
#define BV_CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF__BYPASS 0x1
#define BV_CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF__PFD 0x0
#define BM_CLKCTRL_CLKSEQ_BYPASS_ETM 0x00000100
#define BM_CLKCTRL_CLKSEQ_BYPASS_EMI 0x00000080
#define BM_CLKCTRL_CLKSEQ_BYPASS_SSP3 0x00000040
#define BM_CLKCTRL_CLKSEQ_BYPASS_SSP2 0x00000020
#define BM_CLKCTRL_CLKSEQ_BYPASS_SSP1 0x00000010
#define BM_CLKCTRL_CLKSEQ_BYPASS_SSP0 0x00000008
#define BM_CLKCTRL_CLKSEQ_BYPASS_GPMI 0x00000004
#define BM_CLKCTRL_CLKSEQ_BYPASS_SAIF1 0x00000002
#define BM_CLKCTRL_CLKSEQ_BYPASS_SAIF0 0x00000001
#define HW_CLKCTRL_RESET (0x000001e0)
#define BM_CLKCTRL_RESET_WDOG_POR_DISABLE 0x00000020
#define BM_CLKCTRL_RESET_EXTERNAL_RESET_ENABLE 0x00000010
#define BM_CLKCTRL_RESET_THERMAL_RESET_ENABLE 0x00000008
#define BM_CLKCTRL_RESET_THERMAL_RESET_DEFAULT 0x00000004
#define BM_CLKCTRL_RESET_CHIP 0x00000002
#define BM_CLKCTRL_RESET_DIG 0x00000001
#define HW_CLKCTRL_STATUS (0x000001f0)
#define BP_CLKCTRL_STATUS_CPU_LIMIT 30
#define BM_CLKCTRL_STATUS_CPU_LIMIT 0xC0000000
#define BF_CLKCTRL_STATUS_CPU_LIMIT(v) \
(((v) << 30) & BM_CLKCTRL_STATUS_CPU_LIMIT)
#define HW_CLKCTRL_VERSION (0x00000200)
#define BP_CLKCTRL_VERSION_MAJOR 24
#define BM_CLKCTRL_VERSION_MAJOR 0xFF000000
#define BF_CLKCTRL_VERSION_MAJOR(v) \
(((v) << 24) & BM_CLKCTRL_VERSION_MAJOR)
#define BP_CLKCTRL_VERSION_MINOR 16
#define BM_CLKCTRL_VERSION_MINOR 0x00FF0000
#define BF_CLKCTRL_VERSION_MINOR(v) \
(((v) << 16) & BM_CLKCTRL_VERSION_MINOR)
#define BP_CLKCTRL_VERSION_STEP 0
#define BM_CLKCTRL_VERSION_STEP 0x0000FFFF
#define BF_CLKCTRL_VERSION_STEP(v) \
(((v) << 0) & BM_CLKCTRL_VERSION_STEP)
#endif /* __REGS_CLKCTRL_MX28_H__ */
arch/arm/mach-mxs/system.c
View file @ 5da301a2
...@@ -37,8 +37,6 @@ ...@@ -37,8 +37,6 @@
#define MXS_MODULE_CLKGATE (1 << 30) #define MXS_MODULE_CLKGATE (1 << 30)
#define MXS_MODULE_SFTRST (1 << 31) #define MXS_MODULE_SFTRST (1 << 31)
#define CLKCTRL_TIMEOUT 10 /* 10 ms */
static void __iomem *mxs_clkctrl_reset_addr; static void __iomem *mxs_clkctrl_reset_addr;
/* /*
...@@ -139,17 +137,3 @@ int mxs_reset_block(void __iomem *reset_addr) ...@@ -139,17 +137,3 @@ int mxs_reset_block(void __iomem *reset_addr)
return -ETIMEDOUT; return -ETIMEDOUT;
} }
EXPORT_SYMBOL(mxs_reset_block); EXPORT_SYMBOL(mxs_reset_block);
int mxs_clkctrl_timeout(unsigned int reg_offset, unsigned int mask)
{
unsigned long timeout = jiffies + msecs_to_jiffies(CLKCTRL_TIMEOUT);
while (readl_relaxed(MXS_IO_ADDRESS(MXS_CLKCTRL_BASE_ADDR)
+ reg_offset) & mask) {
if (time_after(jiffies, timeout)) {
pr_err("Timeout at CLKCTRL + 0x%x\n", reg_offset);
return -ETIMEDOUT;
}
}
return 0;
}
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