Commit b610ec50 authored by Tony Lindgren's avatar Tony Lindgren

Merge branch 'for_2.6.34_b' of git://git.pwsan.com/linux-2.6 into omap-for-linus

parents 0fdc54b2 ad001f14
......@@ -199,7 +199,7 @@ CONFIG_ARCH_OMAP4=y
#
# CONFIG_OMAP_RESET_CLOCKS is not set
# CONFIG_OMAP_MUX is not set
# CONFIG_OMAP_MCBSP is not set
CONFIG_OMAP_MCBSP=y
# CONFIG_OMAP_MBOX_FWK is not set
# CONFIG_OMAP_MPU_TIMER is not set
CONFIG_OMAP_32K_TIMER=y
......@@ -304,7 +304,7 @@ CONFIG_ALIGNMENT_TRAP=y
#
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_CMDLINE="root=/dev/ram0 rw mem=128M console=ttyS0,115200n8 initrd=0x81600000,20M ramdisk_size=20480"
CONFIG_CMDLINE="root=/dev/ram0 rw mem=128M console=ttyS2,115200n8 initrd=0x81600000,20M ramdisk_size=20480"
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
......@@ -488,7 +488,8 @@ CONFIG_GPIOLIB=y
# CONFIG_POWER_SUPPLY is not set
# CONFIG_HWMON is not set
# CONFIG_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_WATCHDOG=y
CONFIG_OMAP_WATCHDOG=y
CONFIG_SSB_POSSIBLE=y
#
......
/*
* linux/arch/arm/mach-omap1/clock.c
*
* Copyright (C) 2004 - 2005, 2009 Nokia corporation
* Copyright (C) 2004 - 2005, 2009-2010 Nokia Corporation
* Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
*
* Modified to use omap shared clock framework by
......@@ -38,20 +38,6 @@ struct clk *api_ck_p, *ck_dpll1_p, *ck_ref_p;
* Omap1 specific clock functions
*-------------------------------------------------------------------------*/
static int clk_omap1_dummy_enable(struct clk *clk)
{
return 0;
}
static void clk_omap1_dummy_disable(struct clk *clk)
{
}
const struct clkops clkops_dummy = {
.enable = clk_omap1_dummy_enable,
.disable = clk_omap1_dummy_disable,
};
unsigned long omap1_uart_recalc(struct clk *clk)
{
unsigned int val = __raw_readl(clk->enable_reg);
......@@ -571,9 +557,6 @@ const struct clkops clkops_uart = {
long omap1_clk_round_rate(struct clk *clk, unsigned long rate)
{
if (clk->flags & RATE_FIXED)
return clk->rate;
if (clk->round_rate != NULL)
return clk->round_rate(clk, rate);
......
/*
* linux/arch/arm/mach-omap1/clock_data.c
*
* Copyright (C) 2004 - 2005, 2009 Nokia corporation
* Copyright (C) 2004 - 2005, 2009-2010 Nokia Corporation
* Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
* Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
*
......@@ -27,13 +27,6 @@
* Omap1 clocks
*-------------------------------------------------------------------------*/
/* XXX is this necessary? */
static struct clk dummy_ck = {
.name = "dummy",
.ops = &clkops_dummy,
.flags = RATE_FIXED,
};
static struct clk ck_ref = {
.name = "ck_ref",
.ops = &clkops_null,
......@@ -389,8 +382,7 @@ static struct uart_clk uart1_16xx = {
/* Direct from ULPD, no real parent */
.parent = &armper_ck.clk,
.rate = 48000000,
.flags = RATE_FIXED | ENABLE_REG_32BIT |
CLOCK_NO_IDLE_PARENT,
.flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
.enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 29,
},
......@@ -430,8 +422,7 @@ static struct uart_clk uart3_16xx = {
/* Direct from ULPD, no real parent */
.parent = &armper_ck.clk,
.rate = 48000000,
.flags = RATE_FIXED | ENABLE_REG_32BIT |
CLOCK_NO_IDLE_PARENT,
.flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
.enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 31,
},
......@@ -443,7 +434,7 @@ static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */
.ops = &clkops_generic,
/* Direct from ULPD, no parent */
.rate = 6000000,
.flags = RATE_FIXED | ENABLE_REG_32BIT,
.flags = ENABLE_REG_32BIT,
.enable_reg = OMAP1_IO_ADDRESS(ULPD_CLOCK_CTRL),
.enable_bit = USB_MCLK_EN_BIT,
};
......@@ -453,7 +444,7 @@ static struct clk usb_hhc_ck1510 = {
.ops = &clkops_generic,
/* Direct from ULPD, no parent */
.rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
.flags = RATE_FIXED | ENABLE_REG_32BIT,
.flags = ENABLE_REG_32BIT,
.enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = USB_HOST_HHC_UHOST_EN,
};
......@@ -464,7 +455,7 @@ static struct clk usb_hhc_ck16xx = {
/* Direct from ULPD, no parent */
.rate = 48000000,
/* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
.flags = RATE_FIXED | ENABLE_REG_32BIT,
.flags = ENABLE_REG_32BIT,
.enable_reg = OMAP1_IO_ADDRESS(OTG_BASE + 0x08), /* OTG_SYSCON_2 */
.enable_bit = 8 /* UHOST_EN */,
};
......@@ -474,7 +465,6 @@ static struct clk usb_dc_ck = {
.ops = &clkops_generic,
/* Direct from ULPD, no parent */
.rate = 48000000,
.flags = RATE_FIXED,
.enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
.enable_bit = 4,
};
......@@ -484,7 +474,6 @@ static struct clk usb_dc_ck7xx = {
.ops = &clkops_generic,
/* Direct from ULPD, no parent */
.rate = 48000000,
.flags = RATE_FIXED,
.enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
.enable_bit = 8,
};
......@@ -494,7 +483,6 @@ static struct clk mclk_1510 = {
.ops = &clkops_generic,
/* Direct from ULPD, no parent. May be enabled by ext hardware. */
.rate = 12000000,
.flags = RATE_FIXED,
.enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
.enable_bit = 6,
};
......@@ -515,7 +503,6 @@ static struct clk bclk_1510 = {
.ops = &clkops_generic,
/* Direct from ULPD, no parent. May be enabled by ext hardware. */
.rate = 12000000,
.flags = RATE_FIXED,
};
static struct clk bclk_16xx = {
......@@ -530,36 +517,34 @@ static struct clk bclk_16xx = {
};
static struct clk mmc1_ck = {
.name = "mmc_ck",
.name = "mmc1_ck",
.ops = &clkops_generic,
/* Functional clock is direct from ULPD, interface clock is ARMPER */
.parent = &armper_ck.clk,
.rate = 48000000,
.flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
.flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
.enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 23,
};
static struct clk mmc2_ck = {
.name = "mmc_ck",
.id = 1,
.name = "mmc2_ck",
.ops = &clkops_generic,
/* Functional clock is direct from ULPD, interface clock is ARMPER */
.parent = &armper_ck.clk,
.rate = 48000000,
.flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
.flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
.enable_reg = OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
.enable_bit = 20,
};
static struct clk mmc3_ck = {
.name = "mmc_ck",
.id = 2,
.name = "mmc3_ck",
.ops = &clkops_generic,
/* Functional clock is direct from ULPD, interface clock is ARMPER */
.parent = &armper_ck.clk,
.rate = 48000000,
.flags = RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
.flags = ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
.enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
.enable_bit = 12,
};
......@@ -577,7 +562,6 @@ static struct clk virtual_ck_mpu = {
remains active during MPU idle whenever this is enabled */
static struct clk i2c_fck = {
.name = "i2c_fck",
.id = 1,
.ops = &clkops_null,
.flags = CLOCK_NO_IDLE_PARENT,
.parent = &armxor_ck.clk,
......@@ -586,7 +570,6 @@ static struct clk i2c_fck = {
static struct clk i2c_ick = {
.name = "i2c_ick",
.id = 1,
.ops = &clkops_null,
.flags = CLOCK_NO_IDLE_PARENT,
.parent = &armper_ck.clk,
......
......@@ -5,23 +5,17 @@
# Common support
obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o
omap-2-3-common = irq.o sdrc.o omap_hwmod.o
omap-3-4-common = dpll3xxx.o
omap-2-3-common = irq.o sdrc.o
hwmod-common = omap_hwmod.o \
omap_hwmod_common_data.o
prcm-common = prcm.o powerdomain.o
clock-common = clock.o clock_common_data.o \
clockdomain.o clkt_dpll.o \
clkt_clksel.o
clock-omap2xxx = clkt2xxx_dpllcore.o \
clkt2xxx_virt_prcm_set.o \
clkt2xxx_apll.o clkt2xxx_osc.o \
clkt2xxx_sys.o
clock-omap3xxx = clkt34xx_dpll3m2.o
obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(prcm-common) $(clock-common) \
$(clock-omap2xxx)
obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(prcm-common) $(clock-common) \
$(omap-3-4-common) $(clock-omap3xxx)
obj-$(CONFIG_ARCH_OMAP4) += $(omap-3-4-common) $(prcm-common) $(clock-common)
obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(prcm-common) $(hwmod-common)
obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(prcm-common) $(hwmod-common)
obj-$(CONFIG_ARCH_OMAP4) += $(prcm-common)
obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
......@@ -63,14 +57,31 @@ obj-$(CONFIG_ARCH_OMAP3) += cm.o
obj-$(CONFIG_ARCH_OMAP4) += cm4xxx.o
# Clock framework
obj-$(CONFIG_ARCH_OMAP2) += clock2xxx.o clock2xxx_data.o
obj-$(CONFIG_ARCH_OMAP2) += $(clock-common) clock2xxx.o \
clkt2xxx_sys.o \
clkt2xxx_dpllcore.o \
clkt2xxx_virt_prcm_set.o \
clkt2xxx_apll.o clkt2xxx_osc.o
obj-$(CONFIG_ARCH_OMAP2420) += clock2420_data.o
obj-$(CONFIG_ARCH_OMAP2430) += clock2430.o clock2430_data.o
obj-$(CONFIG_ARCH_OMAP3) += $(clock-common) clock3xxx.o \
clock34xx.o clkt34xx_dpll3m2.o \
clock3517.o clock36xx.o \
dpll3xxx.o clock3xxx_data.o
obj-$(CONFIG_ARCH_OMAP4) += $(clock-common) clock44xx_data.o \
dpll3xxx.o
# OMAP2 clock rate set data (old "OPP" data)
obj-$(CONFIG_ARCH_OMAP2420) += opp2420_data.o
obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o clock34xx_data.o
obj-$(CONFIG_ARCH_OMAP2430) += opp2430_data.o
obj-$(CONFIG_ARCH_OMAP4) += clock44xx.o clock44xx_data.o
# hwmod data
obj-$(CONFIG_ARCH_OMAP2420) += omap_hwmod_2420_data.o
obj-$(CONFIG_ARCH_OMAP2430) += omap_hwmod_2430_data.o
obj-$(CONFIG_ARCH_OMAP3) += omap_hwmod_3xxx_data.o
# EMU peripherals
obj-$(CONFIG_OMAP3_EMU) += emu.o
obj-$(CONFIG_OMAP3_EMU) += emu.o
obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox_mach.o
mailbox_mach-objs := mailbox.o
......@@ -128,7 +139,7 @@ obj-$(CONFIG_MACH_OMAP3_TOUCHBOOK) += board-omap3touchbook.o \
hsmmc.o
obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o
obj-$(CONFIG_MACH_OMAP3517EVM) += board-am3517evm.o
obj-$(CONFIG_MACH_OMAP3517EVM) += board-am3517evm.o
# Platform specific device init code
obj-y += usb-musb.o
......
......@@ -38,6 +38,8 @@
#define APLLS_CLKIN_13MHZ 2
#define APLLS_CLKIN_12MHZ 3
void __iomem *cm_idlest_pll;
/* Private functions */
/* Enable an APLL if off */
......@@ -56,8 +58,8 @@ static int omap2_clk_apll_enable(struct clk *clk, u32 status_mask)
cval |= apll_mask;
cm_write_mod_reg(cval, PLL_MOD, CM_CLKEN);
omap2_cm_wait_idlest(OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), status_mask,
clk->name);
omap2_cm_wait_idlest(cm_idlest_pll, status_mask,
OMAP24XX_CM_IDLEST_VAL, clk->name);
/*
* REVISIT: Should we return an error code if omap2_wait_clock_ready()
......
......@@ -26,6 +26,7 @@
#include <plat/sdrc.h>
#include "clock.h"
#include "clock3xxx.h"
#include "clock34xx.h"
#include "sdrc.h"
......
......@@ -258,10 +258,6 @@ long omap2_clk_round_rate(struct clk *clk, unsigned long rate)
if (clk->round_rate)
return clk->round_rate(clk, rate);
if (clk->flags & RATE_FIXED)
printk(KERN_ERR "clock: generic omap2_clk_round_rate called "
"on fixed-rate clock %s\n", clk->name);
return clk->rate;
}
......@@ -377,8 +373,6 @@ int omap2_clksel_set_rate(struct clk *clk, unsigned long rate)
clk->rate = clk->parent->rate / new_div;
omap2xxx_clk_commit(clk);
return 0;
}
......@@ -400,8 +394,6 @@ int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent)
__raw_writel(v, clk->clksel_reg);
v = __raw_readl(clk->clksel_reg); /* OCP barrier */
omap2xxx_clk_commit(clk);
clk_reparent(clk, new_parent);
/* CLKSEL clocks follow their parents' rates, divided by a divisor */
......
......@@ -29,7 +29,7 @@
#include "cm-regbits-34xx.h"
/* DPLL rate rounding: minimum DPLL multiplier, divider values */
#define DPLL_MIN_MULTIPLIER 1
#define DPLL_MIN_MULTIPLIER 2
#define DPLL_MIN_DIVIDER 1
/* Possible error results from _dpll_test_mult */
......
This diff is collapsed.
......@@ -47,6 +47,10 @@
#define DPLL_LOW_POWER_BYPASS 0x5
#define DPLL_LOCKED 0x7
/* DPLL Type and DCO Selection Flags */
#define DPLL_J_TYPE 0x1
#define DPLL_NO_DCO_SEL 0x2
int omap2_clk_enable(struct clk *clk);
void omap2_clk_disable(struct clk *clk);
long omap2_clk_round_rate(struct clk *clk, unsigned long rate);
......@@ -114,12 +118,16 @@ void omap2_dflt_clk_disable(struct clk *clk);
void omap2_clk_dflt_find_companion(struct clk *clk, void __iomem **other_reg,
u8 *other_bit);
void omap2_clk_dflt_find_idlest(struct clk *clk, void __iomem **idlest_reg,
u8 *idlest_bit);
void omap2xxx_clk_commit(struct clk *clk);
u8 *idlest_bit, u8 *idlest_val);
int omap2_clk_switch_mpurate_at_boot(const char *mpurate_ck_name);
void omap2_clk_print_new_rates(const char *hfclkin_ck_name,
const char *core_ck_name,
const char *mpu_ck_name);
extern u8 cpu_mask;
extern const struct clkops clkops_omap2_dflt_wait;
extern const struct clkops clkops_dummy;
extern const struct clkops clkops_omap2_dflt;
extern struct clk_functions omap2_clk_functions;
......@@ -137,4 +145,6 @@ extern void omap2_clk_exit_cpufreq_table(struct cpufreq_frequency_table **table)
#define omap2_clk_exit_cpufreq_table 0
#endif
extern const struct clkops clkops_omap3_noncore_dpll_ops;
#endif
This diff is collapsed.
/*
* clock2430.c - OMAP2430-specific clock integration code
*
* Copyright (C) 2005-2008 Texas Instruments, Inc.
* Copyright (C) 2004-2010 Nokia Corporation
*
* Contacts:
* Richard Woodruff <r-woodruff2@ti.com>
* Paul Walmsley
*
* Based on earlier work by Tuukka Tikkanen, Tony Lindgren,
* Gordon McNutt and RidgeRun, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#undef DEBUG
#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <plat/clock.h>
#include "clock.h"
#include "clock2xxx.h"
#include "cm.h"
#include "cm-regbits-24xx.h"
/**
* omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS
* @clk: struct clk * being enabled
* @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
* @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
* @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
*
* OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the
* CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE. This custom function
* passes back the correct CM_IDLEST register address for I2CHS
* modules. No return value.
*/
static void omap2430_clk_i2chs_find_idlest(struct clk *clk,
void __iomem **idlest_reg,
u8 *idlest_bit,
u8 *idlest_val)
{
*idlest_reg = OMAP2430_CM_REGADDR(CORE_MOD, CM_IDLEST);
*idlest_bit = clk->enable_bit;
*idlest_val = OMAP24XX_CM_IDLEST_VAL;
}
/* 2430 I2CHS has non-standard IDLEST register */
const struct clkops clkops_omap2430_i2chs_wait = {
.enable = omap2_dflt_clk_enable,
.disable = omap2_dflt_clk_disable,
.find_idlest = omap2430_clk_i2chs_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
};
......@@ -35,39 +35,6 @@ struct clk *vclk, *sclk, *dclk;
* Omap24xx specific clock functions
*/
#ifdef CONFIG_ARCH_OMAP2430
/**
* omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS
* @clk: struct clk * being enabled
* @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
* @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
*
* OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the
* CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE. This custom function
* passes back the correct CM_IDLEST register address for I2CHS
* modules. No return value.
*/
static void omap2430_clk_i2chs_find_idlest(struct clk *clk,
void __iomem **idlest_reg,
u8 *idlest_bit)
{
*idlest_reg = OMAP_CM_REGADDR(CORE_MOD, CM_IDLEST);
*idlest_bit = clk->enable_bit;
}
#else
#define omap2430_clk_i2chs_find_idlest NULL
#endif
/* 2430 I2CHS has non-standard IDLEST register */
const struct clkops clkops_omap2430_i2chs_wait = {
.enable = omap2_dflt_clk_enable,
.disable = omap2_dflt_clk_disable,
.find_idlest = omap2430_clk_i2chs_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
};
/*
* Set clocks for bypass mode for reboot to work.
*/
......@@ -83,40 +50,24 @@ void omap2xxx_clk_prepare_for_reboot(void)
}
/*
* Switch the MPU rate if specified on cmdline.
* We cannot do this early until cmdline is parsed.
* Switch the MPU rate if specified on cmdline. We cannot do this
* early until cmdline is parsed. XXX This should be removed from the
* clock code and handled by the OPP layer code in the near future.
*/
static int __init omap2xxx_clk_arch_init(void)
{
struct clk *virt_prcm_set, *sys_ck, *dpll_ck, *mpu_ck;
unsigned long sys_ck_rate;
int ret;
if (!cpu_is_omap24xx())
return 0;
if (!mpurate)
return -EINVAL;
virt_prcm_set = clk_get(NULL, "virt_prcm_set");
sys_ck = clk_get(NULL, "sys_ck");
dpll_ck = clk_get(NULL, "dpll_ck");
mpu_ck = clk_get(NULL, "mpu_ck");
if (clk_set_rate(virt_prcm_set, mpurate))
printk(KERN_ERR "Could not find matching MPU rate\n");
recalculate_root_clocks();
ret = omap2_clk_switch_mpurate_at_boot("virt_prcm_set");
if (!ret)
omap2_clk_print_new_rates("sys_ck", "dpll_ck", "mpu_ck");
sys_ck_rate = clk_get_rate(sys_ck);
pr_info("Switched to new clocking rate (Crystal/DPLL/MPU): "
"%ld.%01ld/%ld/%ld MHz\n",
(sys_ck_rate / 1000000), (sys_ck_rate / 100000) % 10,
(clk_get_rate(dpll_ck) / 1000000),
(clk_get_rate(mpu_ck) / 1000000));
return 0;
return ret;
}
arch_initcall(omap2xxx_clk_arch_init);
/*
* OMAP2 clock function prototypes and macros
*
* Copyright (C) 2005-2009 Texas Instruments, Inc.
* Copyright (C) 2004-2009 Nokia Corporation
* Copyright (C) 2005-2010 Texas Instruments, Inc.
* Copyright (C) 2004-2010 Nokia Corporation
*/
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_24XX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK_24XX_H
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK2XXX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK2XXX_H
unsigned long omap2_table_mpu_recalc(struct clk *clk);
int omap2_select_table_rate(struct clk *clk, unsigned long rate);
......@@ -19,20 +19,20 @@ unsigned long omap2xxx_clk_get_core_rate(struct clk *clk);
u32 omap2xxx_get_apll_clkin(void);
u32 omap2xxx_get_sysclkdiv(void);
void omap2xxx_clk_prepare_for_reboot(void);
int omap2xxx_clk_init(void);
/* REVISIT: These should be set dynamically for CONFIG_MULTI_OMAP2 */
#ifdef CONFIG_ARCH_OMAP2420
#define OMAP_CM_REGADDR OMAP2420_CM_REGADDR
#define OMAP24XX_PRCM_CLKOUT_CTRL OMAP2420_PRCM_CLKOUT_CTRL
#define OMAP24XX_PRCM_CLKEMUL_CTRL OMAP2420_PRCM_CLKEMUL_CTRL
int omap2420_clk_init(void);
#else
#define OMAP_CM_REGADDR OMAP2430_CM_REGADDR
#define OMAP24XX_PRCM_CLKOUT_CTRL OMAP2430_PRCM_CLKOUT_CTRL
#define OMAP24XX_PRCM_CLKEMUL_CTRL OMAP2430_PRCM_CLKEMUL_CTRL
#define omap2420_clk_init() 0
#endif
extern void __iomem *prcm_clksrc_ctrl;
#ifdef CONFIG_ARCH_OMAP2430
int omap2430_clk_init(void);
#else
#define omap2430_clk_init() 0
#endif
extern void __iomem *prcm_clksrc_ctrl, *cm_idlest_pll;
extern struct clk *dclk;
......
......@@ -8,7 +8,8 @@
* Jouni Högander
*
* Parts of this code are based on code written by
* Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu
* Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu,
* Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
......@@ -17,36 +18,22 @@
#undef DEBUG
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <plat/cpu.h>
#include <plat/clock.h>
#include "clock.h"
#include "clock34xx.h"
#include "prm.h"
#include "prm-regbits-34xx.h"
#include "cm.h"
#include "cm-regbits-34xx.h"
/*
* DPLL5_FREQ_FOR_USBHOST: USBHOST and USBTLL are the only clocks
* that are sourced by DPLL5, and both of these require this clock
* to be at 120 MHz for proper operation.
*/
#define DPLL5_FREQ_FOR_USBHOST 120000000
/* needed by omap3_core_dpll_m2_set_rate() */
struct clk *sdrc_ick_p, *arm_fck_p;
/**
* omap3430es2_clk_ssi_find_idlest - return CM_IDLEST info for SSI
* @clk: struct clk * being enabled
* @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
* @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
* @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
*
* The OMAP3430ES2 SSI target CM_IDLEST bit is at a different shift
* from the CM_{I,F}CLKEN bit. Pass back the correct info via
......@@ -54,13 +41,15 @@ struct clk *sdrc_ick_p, *arm_fck_p;
*/
static void omap3430es2_clk_ssi_find_idlest(struct clk *clk,
void __iomem **idlest_reg,
u8 *idlest_bit)
u8 *idlest_bit,
u8 *idlest_val)
{
u32 r;
r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
*idlest_reg = (__force void __iomem *)r;
*idlest_bit = OMAP3430ES2_ST_SSI_IDLE_SHIFT;
*idlest_val = OMAP34XX_CM_IDLEST_VAL;
}
const struct clkops clkops_omap3430es2_ssi_wait = {
......@@ -75,6 +64,7 @@ const struct clkops clkops_omap3430es2_ssi_wait = {
* @clk: struct clk * being enabled
* @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
* @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
* @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
*
* Some OMAP modules on OMAP3 ES2+ chips have both initiator and
* target IDLEST bits. For our purposes, we are concerned with the
......@@ -85,7 +75,8 @@ const struct clkops clkops_omap3430es2_ssi_wait = {
*/
static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk *clk,
void __iomem **idlest_reg,
u8 *idlest_bit)
u8 *idlest_bit,
u8 *idlest_val)
{
u32 r;
......@@ -93,6 +84,7 @@ static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk *clk,
*idlest_reg = (__force void __iomem *)r;
/* USBHOST_IDLE has same shift */
*idlest_bit = OMAP3430ES2_ST_DSS_IDLE_SHIFT;
*idlest_val = OMAP34XX_CM_IDLEST_VAL;
}
const struct clkops clkops_omap3430es2_dss_usbhost_wait = {
......@@ -107,6 +99,7 @@ const struct clkops clkops_omap3430es2_dss_usbhost_wait = {
* @clk: struct clk * being enabled
* @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
* @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
* @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
*
* The OMAP3430ES2 HSOTGUSB target CM_IDLEST bit is at a different
* shift from the CM_{I,F}CLKEN bit. Pass back the correct info via
......@@ -114,13 +107,15 @@ const struct clkops clkops_omap3430es2_dss_usbhost_wait = {
*/
static void omap3430es2_clk_hsotgusb_find_idlest(struct clk *clk,
void __iomem **idlest_reg,
u8 *idlest_bit)
u8 *idlest_bit,
u8 *idlest_val)
{
u32 r;
r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
*idlest_reg = (__force void __iomem *)r;
*idlest_bit = OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT;
*idlest_val = OMAP34XX_CM_IDLEST_VAL;
}
const struct clkops clkops_omap3430es2_hsotgusb_wait = {
......@@ -129,93 +124,3 @@ const struct clkops clkops_omap3430es2_hsotgusb_wait = {
.find_idlest = omap3430es2_clk_hsotgusb_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
};
const struct clkops omap3_clkops_noncore_dpll_ops = {
.enable = omap3_noncore_dpll_enable,
.disable = omap3_noncore_dpll_disable,
};
int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate)
{
/*
* According to the 12-5 CDP code from TI, "Limitation 2.5"
* on 3430ES1 prevents us from changing DPLL multipliers or dividers
* on DPLL4.
*/
if (omap_rev() == OMAP3430_REV_ES1_0) {
printk(KERN_ERR "clock: DPLL4 cannot change rate due to "
"silicon 'Limitation 2.5' on 3430ES1.\n");
return -EINVAL;
}
return omap3_noncore_dpll_set_rate(clk, rate);
}
void __init omap3_clk_lock_dpll5(void)
{
struct clk *dpll5_clk;
struct clk *dpll5_m2_clk;
dpll5_clk = clk_get(NULL, "dpll5_ck");
clk_set_rate(dpll5_clk, DPLL5_FREQ_FOR_USBHOST);
clk_enable(dpll5_clk);
/* Enable autoidle to allow it to enter low power bypass */
omap3_dpll_allow_idle(dpll5_clk);
/* Program dpll5_m2_clk divider for no division */
dpll5_m2_clk = clk_get(NULL, "dpll5_m2_ck");
clk_enable(dpll5_m2_clk);
clk_set_rate(dpll5_m2_clk, DPLL5_FREQ_FOR_USBHOST);
clk_disable(dpll5_m2_clk);
clk_disable(dpll5_clk);
return;
}
/* Common clock code */
/* REVISIT: Move this init stuff out into clock.c */
/*
* Switch the MPU rate if specified on cmdline.
* We cannot do this early until cmdline is parsed.
*/
static int __init omap3xxx_clk_arch_init(void)
{
struct clk *osc_sys_ck, *dpll1_ck, *arm_fck, *core_ck;
unsigned long osc_sys_rate;
if (!cpu_is_omap34xx())
return 0;
if (!mpurate)
return -EINVAL;
/* XXX test these for success */
dpll1_ck = clk_get(NULL, "dpll1_ck");
arm_fck = clk_get(NULL, "arm_fck");
core_ck = clk_get(NULL, "core_ck");
osc_sys_ck = clk_get(NULL, "osc_sys_ck");
/* REVISIT: not yet ready for 343x */
if (clk_set_rate(dpll1_ck, mpurate))
printk(KERN_ERR "*** Unable to set MPU rate\n");
recalculate_root_clocks();
osc_sys_rate = clk_get_rate(osc_sys_ck);
pr_info("Switched to new clocking rate (Crystal/Core/MPU): "
"%ld.%01ld/%ld/%ld MHz\n",
(osc_sys_rate / 1000000),
((osc_sys_rate / 100000) % 10),
(clk_get_rate(core_ck) / 1000000),
(clk_get_rate(arm_fck) / 1000000));
calibrate_delay();
return 0;
}
arch_initcall(omap3xxx_clk_arch_init);
/*
* OMAP3 clock function prototypes and macros
* OMAP34xx clock function prototypes and macros
*
* Copyright (C) 2007-2009 Texas Instruments, Inc.
* Copyright (C) 2007-2009 Nokia Corporation
* Copyright (C) 2007-2010 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
*/
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_34XX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK_34XX_H
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H
int omap3xxx_clk_init(void);
int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate);
int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate);
void omap3_clk_lock_dpll5(void);
extern struct clk *sdrc_ick_p;
extern struct clk *arm_fck_p;
/* OMAP34xx-specific clkops */
extern const struct clkops clkops_omap3430es2_ssi_wait;
extern const struct clkops clkops_omap3430es2_hsotgusb_wait;
extern const struct clkops clkops_omap3430es2_dss_usbhost_wait;
extern const struct clkops omap3_clkops_noncore_dpll_ops;
#endif
/*
* OMAP3517/3505-specific clock framework functions
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Copyright (C) 2010 Nokia Corporation
*
* Ranjith Lohithakshan
* Paul Walmsley
*
* Parts of this code are based on code written by
* Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu,
* Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#undef DEBUG
#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <plat/clock.h>
#include "clock.h"
#include "clock3517.h"
#include "cm.h"
#include "cm-regbits-34xx.h"
/*
* In AM35xx IPSS, the {ICK,FCK} enable bits for modules are exported
* in the same register at a bit offset of 0x8. The EN_ACK for ICK is
* at an offset of 4 from ICK enable bit.
*/
#define AM35XX_IPSS_ICK_MASK 0xF
#define AM35XX_IPSS_ICK_EN_ACK_OFFSET 0x4
#define AM35XX_IPSS_ICK_FCK_OFFSET 0x8
#define AM35XX_IPSS_CLK_IDLEST_VAL 0
/**
* am35xx_clk_find_idlest - return clock ACK info for AM35XX IPSS
* @clk: struct clk * being enabled
* @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
* @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
* @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
*
* The interface clocks on AM35xx IPSS reflects the clock idle status
* in the enable register itsel at a bit offset of 4 from the enable
* bit. A value of 1 indicates that clock is enabled.
*/
static void am35xx_clk_find_idlest(struct clk *clk,
void __iomem **idlest_reg,
u8 *idlest_bit,
u8 *idlest_val)
{
*idlest_reg = (__force void __iomem *)(clk->enable_reg);
*idlest_bit = clk->enable_bit + AM35XX_IPSS_ICK_EN_ACK_OFFSET;
*idlest_val = AM35XX_IPSS_CLK_IDLEST_VAL;
}
/**
* am35xx_clk_find_companion - find companion clock to @clk
* @clk: struct clk * to find the companion clock of
* @other_reg: void __iomem ** to return the companion clock CM_*CLKEN va in
* @other_bit: u8 ** to return the companion clock bit shift in
*
* Some clocks don't have companion clocks. For example, modules with
* only an interface clock (such as HECC) don't have a companion
* clock. Right now, this code relies on the hardware exporting a bit
* in the correct companion register that indicates that the
* nonexistent 'companion clock' is active. Future patches will
* associate this type of code with per-module data structures to
* avoid this issue, and remove the casts. No return value.
*/
static void am35xx_clk_find_companion(struct clk *clk, void __iomem **other_reg,
u8 *other_bit)
{
*other_reg = (__force void __iomem *)(clk->enable_reg);
if (clk->enable_bit & AM35XX_IPSS_ICK_MASK)
*other_bit = clk->enable_bit + AM35XX_IPSS_ICK_FCK_OFFSET;
else
*other_bit = clk->enable_bit - AM35XX_IPSS_ICK_FCK_OFFSET;
}
const struct clkops clkops_am35xx_ipss_module_wait = {
.enable = omap2_dflt_clk_enable,
.disable = omap2_dflt_clk_disable,
.find_idlest = am35xx_clk_find_idlest,
.find_companion = am35xx_clk_find_companion,
};
/**
* am35xx_clk_ipss_find_idlest - return CM_IDLEST info for IPSS
* @clk: struct clk * being enabled
* @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
* @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
* @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
*
* The IPSS target CM_IDLEST bit is at a different shift from the
* CM_{I,F}CLKEN bit. Pass back the correct info via @idlest_reg
* and @idlest_bit. No return value.
*/
static void am35xx_clk_ipss_find_idlest(struct clk *clk,
void __iomem **idlest_reg,
u8 *idlest_bit,
u8 *idlest_val)
{
u32 r;
r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
*idlest_reg = (__force void __iomem *)r;
*idlest_bit = AM35XX_ST_IPSS_SHIFT;
*idlest_val = OMAP34XX_CM_IDLEST_VAL;
}
const struct clkops clkops_am35xx_ipss_wait = {
.enable = omap2_dflt_clk_enable,
.disable = omap2_dflt_clk_disable,
.find_idlest = am35xx_clk_ipss_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
};
/*
* OMAP3517/3505 clock function prototypes and macros
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Copyright (C) 2010 Nokia Corporation
*/
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK3517_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK3517_H
extern const struct clkops clkops_am35xx_ipss_module_wait;
extern const struct clkops clkops_am35xx_ipss_wait;
#endif
/*
* OMAP36xx-specific clkops
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Copyright (C) 2010 Nokia Corporation
*
* Mike Turquette
* Vijaykumar GN
* Paul Walmsley
*
* Parts of this code are based on code written by
* Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu,
* Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#undef DEBUG
#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <plat/clock.h>
#include "clock.h"
#include "clock36xx.h"
/**
* omap36xx_pwrdn_clk_enable_with_hsdiv_restore - enable clocks suffering
* from HSDivider PWRDN problem Implements Errata ID: i556.
* @clk: DPLL output struct clk
*
* 3630 only: dpll3_m3_ck, dpll4_m2_ck, dpll4_m3_ck, dpll4_m4_ck,
* dpll4_m5_ck & dpll4_m6_ck dividers gets loaded with reset
* valueafter their respective PWRDN bits are set. Any dummy write
* (Any other value different from the Read value) to the
* corresponding CM_CLKSEL register will refresh the dividers.
*/
static int omap36xx_pwrdn_clk_enable_with_hsdiv_restore(struct clk *clk)
{
u32 dummy_v, orig_v, clksel_shift;
int ret;
/* Clear PWRDN bit of HSDIVIDER */
ret = omap2_dflt_clk_enable(clk);
/* Restore the dividers */
if (!ret) {
clksel_shift = __ffs(clk->parent->clksel_mask);
orig_v = __raw_readl(clk->parent->clksel_reg);
dummy_v = orig_v;
/* Write any other value different from the Read value */
dummy_v ^= (1 << clksel_shift);
__raw_writel(dummy_v, clk->parent->clksel_reg);
/* Write the original divider */
__raw_writel(orig_v, clk->parent->clksel_reg);
}
return ret;
}
const struct clkops clkops_omap36xx_pwrdn_with_hsdiv_wait_restore = {
.enable = omap36xx_pwrdn_clk_enable_with_hsdiv_restore,
.disable = omap2_dflt_clk_disable,
.find_companion = omap2_clk_dflt_find_companion,
.find_idlest = omap2_clk_dflt_find_idlest,
};
/*
* OMAP36xx clock function prototypes and macros
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Copyright (C) 2010 Nokia Corporation
*/
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK36XX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK36XX_H
extern const struct clkops clkops_omap36xx_pwrdn_with_hsdiv_wait_restore;
#endif
/*
* OMAP3-specific clock framework functions
*
* Copyright (C) 2007-2008 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
*
* Paul Walmsley
* Jouni Högander
*
* Parts of this code are based on code written by
* Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#undef DEBUG
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <plat/clock.h>
#include "clock.h"
#include "clock3xxx.h"
#include "prm.h"
#include "prm-regbits-34xx.h"
#include "cm.h"
#include "cm-regbits-34xx.h"
/*
* DPLL5_FREQ_FOR_USBHOST: USBHOST and USBTLL are the only clocks
* that are sourced by DPLL5, and both of these require this clock
* to be at 120 MHz for proper operation.
*/
#define DPLL5_FREQ_FOR_USBHOST 120000000
/* needed by omap3_core_dpll_m2_set_rate() */
struct clk *sdrc_ick_p, *arm_fck_p;
int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate)
{
/*
* According to the 12-5 CDP code from TI, "Limitation 2.5"
* on 3430ES1 prevents us from changing DPLL multipliers or dividers
* on DPLL4.
*/
if (omap_rev() == OMAP3430_REV_ES1_0) {
pr_err("clock: DPLL4 cannot change rate due to "
"silicon 'Limitation 2.5' on 3430ES1.\n");
return -EINVAL;
}
return omap3_noncore_dpll_set_rate(clk, rate);
}
void __init omap3_clk_lock_dpll5(void)
{
struct clk *dpll5_clk;
struct clk *dpll5_m2_clk;
dpll5_clk = clk_get(NULL, "dpll5_ck");
clk_set_rate(dpll5_clk, DPLL5_FREQ_FOR_USBHOST);
clk_enable(dpll5_clk);
/* Enable autoidle to allow it to enter low power bypass */
omap3_dpll_allow_idle(dpll5_clk);
/* Program dpll5_m2_clk divider for no division */
dpll5_m2_clk = clk_get(NULL, "dpll5_m2_ck");
clk_enable(dpll5_m2_clk);
clk_set_rate(dpll5_m2_clk, DPLL5_FREQ_FOR_USBHOST);
clk_disable(dpll5_m2_clk);
clk_disable(dpll5_clk);
return;
}
/* Common clock code */
/*
* Switch the MPU rate if specified on cmdline. We cannot do this
* early until cmdline is parsed. XXX This should be removed from the
* clock code and handled by the OPP layer code in the near future.
*/
static int __init omap3xxx_clk_arch_init(void)
{
int ret;
if (!cpu_is_omap34xx())
return 0;
ret = omap2_clk_switch_mpurate_at_boot("dpll1_ck");
if (!ret)
omap2_clk_print_new_rates("osc_sys_ck", "arm_fck", "core_ck");
return ret;
}
arch_initcall(omap3xxx_clk_arch_init);
/*
* OMAP3-common clock function prototypes and macros
*
* Copyright (C) 2007-2010 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
*/
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK3XXX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK3XXX_H
int omap3xxx_clk_init(void);
int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate);
int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate);
void omap3_clk_lock_dpll5(void);
extern struct clk *sdrc_ick_p;
extern struct clk *arm_fck_p;
extern const struct clkops clkops_noncore_dpll_ops;
#endif
/*
* OMAP4-specific clock framework functions
*
* Copyright (C) 2009 Texas Instruments, Inc.
*
* Rajendra Nayak (rnayak@ti.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/errno.h>
#include "clock.h"
const struct clkops omap4_clkops_noncore_dpll_ops = {
.enable = &omap3_noncore_dpll_enable,
.disable = &omap3_noncore_dpll_disable,
};
......@@ -2,16 +2,19 @@
* OMAP4 clock function prototypes and macros
*
* Copyright (C) 2009 Texas Instruments, Inc.
* Copyright (C) 2010 Nokia Corporation
*/
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_44XX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK_44XX_H
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK44XX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK44XX_H
#define OMAP4430_MAX_DPLL_MULT 2048
/*
* XXX Missing values for the OMAP4 DPLL_USB
* XXX Missing min_multiplier values for all OMAP4 DPLLs
*/
#define OMAP4430_MAX_DPLL_MULT 2047
#define OMAP4430_MAX_DPLL_DIV 128
int omap4xxx_clk_init(void);
extern const struct clkops omap4_clkops_noncore_dpll_ops;
#endif
This diff is collapsed.
/*
* OMAP2/3/4 clockdomain framework functions
*
* Copyright (C) 2008-2009 Texas Instruments, Inc.
* Copyright (C) 2008-2009 Nokia Corporation
* Copyright (C) 2008-2010 Texas Instruments, Inc.
* Copyright (C) 2008-2010 Nokia Corporation
*
* Written by Paul Walmsley and Jouni Högander
* Added OMAP4 specific support by Abhijit Pagare <abhijitpagare@ti.com>
......@@ -173,6 +173,9 @@ static void _clkdm_add_autodeps(struct clockdomain *clkdm)
{
struct clkdm_autodep *autodep;
if (!autodeps)
return;
for (autodep = autodeps; autodep->clkdm.ptr; autodep++) {
if (IS_ERR(autodep->clkdm.ptr))
continue;
......@@ -201,6 +204,9 @@ static void _clkdm_del_autodeps(struct clockdomain *clkdm)
{
struct clkdm_autodep *autodep;
if (!autodeps)
return;
for (autodep = autodeps; autodep->clkdm.ptr; autodep++) {
if (IS_ERR(autodep->clkdm.ptr))
continue;
......@@ -891,8 +897,17 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
pr_debug("clockdomain: enabling automatic idle transitions for %s\n",
clkdm->name);
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_add_autodeps(clkdm);
/*
* XXX This should be removed once TI adds wakeup/sleep
* dependency code and data for OMAP4.
*/
if (cpu_is_omap44xx()) {
WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "
"support is not yet implemented\n");
} else {
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_add_autodeps(clkdm);
}
_omap2_clkdm_set_hwsup(clkdm, 1);
......@@ -924,8 +939,17 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
_omap2_clkdm_set_hwsup(clkdm, 0);
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_del_autodeps(clkdm);
/*
* XXX This should be removed once TI adds wakeup/sleep
* dependency code and data for OMAP4.
*/
if (cpu_is_omap44xx()) {
WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "
"support is not yet implemented\n");
} else {
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_del_autodeps(clkdm);
}
}
......@@ -954,7 +978,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
* downstream clocks for debugging purposes?
*/
if (!clkdm || !clk || !clkdm->clkstctrl_reg)
if (!clkdm || !clk)
return -EINVAL;
if (atomic_inc_return(&clkdm->usecount) > 1)
......@@ -965,6 +989,9 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
pr_debug("clockdomain: clkdm %s: clk %s now enabled\n", clkdm->name,
clk->name);
if (!clkdm->clkstctrl_reg)
return 0;
v = omap2_clkdm_clktrctrl_read(clkdm);
if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ||
......@@ -1006,7 +1033,7 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
* downstream clocks for debugging purposes?
*/
if (!clkdm || !clk || !clkdm->clkstctrl_reg)
if (!clkdm || !clk)
return -EINVAL;
#ifdef DEBUG
......@@ -1024,6 +1051,9 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
pr_debug("clockdomain: clkdm %s: clk %s now disabled\n", clkdm->name,
clk->name);
if (!clkdm->clkstctrl_reg)
return 0;
v = omap2_clkdm_clktrctrl_read(clkdm);
if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ||
......
......@@ -55,7 +55,7 @@
/* Bits specific to each register */
/* CM_FCLKEN_IVA2 */
#define OMAP3430_CM_FCLKEN_IVA2_EN_IVA2 (1 << 0)
#define OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_MASK (1 << 0)
#define OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT 0
/* CM_CLKEN_PLL_IVA2 */
......@@ -168,6 +168,12 @@
#define OMAP3430_EN_SDRC (1 << 1)
#define OMAP3430_EN_SDRC_SHIFT 1
/* AM35XX specific CM_ICLKEN1_CORE bits */
#define AM35XX_EN_IPSS_MASK (1 << 4)
#define AM35XX_EN_IPSS_SHIFT 4
#define AM35XX_EN_UART4_MASK (1 << 23)
#define AM35XX_EN_UART4_SHIFT 23
/* CM_ICLKEN2_CORE */
#define OMAP3430_EN_PKA (1 << 4)
#define OMAP3430_EN_PKA_SHIFT 4
......@@ -220,6 +226,10 @@
#define OMAP3430_ST_SSI_STDBY_SHIFT 0
#define OMAP3430_ST_SSI_STDBY_MASK (1 << 0)
/* AM35xx specific CM_IDLEST1_CORE bits */
#define AM35XX_ST_IPSS_SHIFT 5
#define AM35XX_ST_IPSS_MASK (1 << 5)
/* CM_IDLEST2_CORE */
#define OMAP3430_ST_PKA_SHIFT 4
#define OMAP3430_ST_PKA_MASK (1 << 4)
......@@ -336,6 +346,8 @@
#define OMAP3430_CLKSEL_L4_MASK (0x3 << 2)
#define OMAP3430_CLKSEL_L3_SHIFT 0
#define OMAP3430_CLKSEL_L3_MASK (0x3 << 0)
#define OMAP3630_CLKSEL_96M_SHIFT 12
#define OMAP3630_CLKSEL_96M_MASK (0x3 << 12)
/* CM_CLKSTCTRL_CORE */
#define OMAP3430ES1_CLKTRCTRL_D2D_SHIFT 4
......@@ -379,6 +391,10 @@
#define OMAP3430ES2_CM_FCLKEN_SGX_EN_SGX_SHIFT 1
#define OMAP3430ES2_CM_FCLKEN_SGX_EN_SGX_MASK (1 << 1)
/* CM_IDLEST_SGX */
#define OMAP3430ES2_ST_SGX_SHIFT 1
#define OMAP3430ES2_ST_SGX_MASK (1 << 1)
/* CM_ICLKEN_SGX */
#define OMAP3430ES2_CM_ICLKEN_SGX_EN_SGX_SHIFT 0
#define OMAP3430ES2_CM_ICLKEN_SGX_EN_SGX_MASK (1 << 0)
......@@ -517,12 +533,18 @@
/* CM_CLKSEL2_PLL */
#define OMAP3430_PERIPH_DPLL_MULT_SHIFT 8
#define OMAP3430_PERIPH_DPLL_MULT_MASK (0x7ff << 8)
#define OMAP3630_PERIPH_DPLL_MULT_MASK (0xfff << 8)
#define OMAP3430_PERIPH_DPLL_DIV_SHIFT 0
#define OMAP3430_PERIPH_DPLL_DIV_MASK (0x7f << 0)
#define OMAP3630_PERIPH_DPLL_DCO_SEL_SHIFT 21
#define OMAP3630_PERIPH_DPLL_DCO_SEL_MASK (0x7 << 21)
#define OMAP3630_PERIPH_DPLL_SD_DIV_SHIFT 24
#define OMAP3630_PERIPH_DPLL_SD_DIV_MASK (0xff << 24)
/* CM_CLKSEL3_PLL */
#define OMAP3430_DIV_96M_SHIFT 0
#define OMAP3430_DIV_96M_MASK (0x1f << 0)
#define OMAP3630_DIV_96M_MASK (0x3f << 0)
/* CM_CLKSEL4_PLL */
#define OMAP3430ES2_PERIPH2_DPLL_MULT_SHIFT 8
......@@ -569,8 +591,10 @@
/* CM_CLKSEL_DSS */
#define OMAP3430_CLKSEL_TV_SHIFT 8
#define OMAP3430_CLKSEL_TV_MASK (0x1f << 8)
#define OMAP3630_CLKSEL_TV_MASK (0x3f << 8)
#define OMAP3430_CLKSEL_DSS1_SHIFT 0
#define OMAP3430_CLKSEL_DSS1_MASK (0x1f << 0)
#define OMAP3630_CLKSEL_DSS1_MASK (0x3f << 0)
/* CM_SLEEPDEP_DSS specific bits */
......@@ -598,6 +622,7 @@
/* CM_CLKSEL_CAM */
#define OMAP3430_CLKSEL_CAM_SHIFT 0
#define OMAP3430_CLKSEL_CAM_MASK (0x1f << 0)
#define OMAP3630_CLKSEL_CAM_MASK (0x3f << 0)
/* CM_SLEEPDEP_CAM specific bits */
......@@ -693,6 +718,7 @@
/* CM_CLKSEL1_EMU */
#define OMAP3430_DIV_DPLL4_SHIFT 24
#define OMAP3430_DIV_DPLL4_MASK (0x1f << 24)
#define OMAP3630_DIV_DPLL4_MASK (0x3f << 24)
#define OMAP3430_DIV_DPLL3_SHIFT 16
#define OMAP3430_DIV_DPLL3_MASK (0x1f << 16)
#define OMAP3430_CLKSEL_TRACECLK_SHIFT 11
......
......@@ -139,5 +139,8 @@ static inline u32 cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
/* CM_IDLEST_GFX */
#define OMAP_ST_GFX (1 << 0)
/* CM_IDLEST indicator */
#define OMAP24XX_CM_IDLEST_VAL 0
#define OMAP34XX_CM_IDLEST_VAL 1
#endif
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......@@ -177,6 +177,8 @@ void __init omap3_check_features(void)
OMAP3_CHECK_FEATURE(status, SGX);
OMAP3_CHECK_FEATURE(status, NEON);
OMAP3_CHECK_FEATURE(status, ISP);
if (cpu_is_omap3630())
omap3_features |= OMAP3_HAS_192MHZ_CLK;
/*
* TODO: Get additional info (where applicable)
......@@ -361,6 +363,7 @@ void __init omap3_cpuinfo(void)
OMAP3_SHOW_FEATURE(sgx);
OMAP3_SHOW_FEATURE(neon);
OMAP3_SHOW_FEATURE(isp);
OMAP3_SHOW_FEATURE(192mhz_clk);
printk(")\n");
}
......
......@@ -36,7 +36,7 @@
#include <plat/vram.h>
#include "clock2xxx.h"
#include "clock34xx.h"
#include "clock3xxx.h"
#include "clock44xx.h"
#include <plat/omap-pm.h>
......@@ -46,9 +46,6 @@
#include <plat/clockdomain.h>
#include "clockdomains.h"
#include <plat/omap_hwmod.h>
#include "omap_hwmod_2420.h"
#include "omap_hwmod_2430.h"
#include "omap_hwmod_34xx.h"
/*
* The machine specific code may provide the extra mapping besides the
......@@ -310,26 +307,24 @@ static int __init _omap2_init_reprogram_sdrc(void)
void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
struct omap_sdrc_params *sdrc_cs1)
{
struct omap_hwmod **hwmods = NULL;
if (cpu_is_omap2420())
hwmods = omap2420_hwmods;
else if (cpu_is_omap2430())
hwmods = omap2430_hwmods;
else if (cpu_is_omap34xx())
hwmods = omap34xx_hwmods;
pwrdm_init(powerdomains_omap);
clkdm_init(clockdomains_omap, clkdm_autodeps);
#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */
/* The OPP tables have to be registered before a clk init */
omap_hwmod_init(hwmods);
if (cpu_is_omap242x())
omap2420_hwmod_init();
else if (cpu_is_omap243x())
omap2430_hwmod_init();
else if (cpu_is_omap34xx())
omap3xxx_hwmod_init();
omap2_mux_init();
/* The OPP tables have to be registered before a clk init */
omap_pm_if_early_init(mpu_opps, dsp_opps, l3_opps);
#endif
if (cpu_is_omap24xx())
omap2xxx_clk_init();
if (cpu_is_omap2420())
omap2420_clk_init();
else if (cpu_is_omap2430())
omap2430_clk_init();
else if (cpu_is_omap34xx())
omap3xxx_clk_init();
else if (cpu_is_omap44xx())
......
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/*
* omap_hwmod_common_data.h - OMAP hwmod common macros and declarations
*
* Copyright (C) 2010 Nokia Corporation
* Paul Walmsley
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Benoît Cousson
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ARCH_ARM_MACH_OMAP2_OMAP_HWMOD_COMMON_DATA_H
#define __ARCH_ARM_MACH_OMAP2_OMAP_HWMOD_COMMON_DATA_H
#include <plat/omap_hwmod.h>
/* OMAP hwmod classes - forward declarations */
extern struct omap_hwmod_class l3_hwmod_class;
extern struct omap_hwmod_class l4_hwmod_class;
extern struct omap_hwmod_class mpu_hwmod_class;
#endif
......@@ -385,6 +385,11 @@ static int pwrdm_dbg_show_counter(struct powerdomain *pwrdm, void *user)
seq_printf(s, ",%s:%d", pwrdm_state_names[i],
pwrdm->state_counter[i]);
seq_printf(s, ",RET-LOGIC-OFF:%d", pwrdm->ret_logic_off_counter);
for (i = 0; i < pwrdm->banks; i++)
seq_printf(s, ",RET-MEMBANK%d-OFF:%d", i + 1,
pwrdm->ret_mem_off_counter[i]);
seq_printf(s, "\n");
return 0;
......
......@@ -688,7 +688,7 @@ static void __init omap3_iva_idle(void)
OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
/* Enable IVA2 clock */
cm_write_mod_reg(OMAP3430_CM_FCLKEN_IVA2_EN_IVA2,
cm_write_mod_reg(OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_MASK,
OMAP3430_IVA2_MOD, CM_FCLKEN);
/* Set IVA2 boot mode to 'idle' */
......
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......@@ -82,6 +82,7 @@ static struct powerdomain core_3xxx_pre_es3_1_pwrdm = {
CHIP_IS_OMAP3430ES2 |
CHIP_IS_OMAP3430ES3_0),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 2,
.pwrsts_mem_ret = {
[0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
......@@ -98,6 +99,7 @@ static struct powerdomain core_3xxx_es3_1_pwrdm = {
.prcm_offs = CORE_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES3_1),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.flags = PWRDM_HAS_HDWR_SAR, /* for USBTLL only */
.banks = 2,
.pwrsts_mem_ret = {
......
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