OMAP: clockdomain code/data: remove omap_chip bitmask from struct clockdomain
At Tony's request, remove the omap_chip bitmasks from the clockdomain and clockdomain dependency definitions. Instead, initialize clockdomains based on one or more lists that are applicable to a particular SoC family, variant, and silicon revision. Tony Lindgren <tony@atomide.com> found a bug in a previous version of this patch - thanks Tony. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Paul Walmsley
181
arch/arm/mach-omap2/clockdomains2430_data.c
Normal file
181
arch/arm/mach-omap2/clockdomains2430_data.c
Normal file
@@ -0,0 +1,181 @@
|
||||
/*
|
||||
* OMAP2xxx clockdomains
|
||||
*
|
||||
* Copyright (C) 2008-2009 Texas Instruments, Inc.
|
||||
* Copyright (C) 2008-2010 Nokia Corporation
|
||||
*
|
||||
* Paul Walmsley, Jouni Högander
|
||||
*
|
||||
* This file contains clockdomains and clockdomain wakeup dependencies
|
||||
* for OMAP2xxx chips. Some notes:
|
||||
*
|
||||
* A useful validation rule for struct clockdomain: Any clockdomain
|
||||
* referenced by a wkdep_srcs must have a dep_bit assigned. So
|
||||
* wkdep_srcs are really just software-controllable dependencies.
|
||||
* Non-software-controllable dependencies do exist, but they are not
|
||||
* encoded below (yet).
|
||||
*
|
||||
* 24xx does not support programmable sleep dependencies (SLEEPDEP)
|
||||
*
|
||||
* The overly-specific dep_bit names are due to a bit name collision
|
||||
* with CM_FCLKEN_{DSP,IVA2}. The DSP/IVA2 PM_WKDEP and CM_SLEEPDEP shift
|
||||
* value are the same for all powerdomains: 2
|
||||
*
|
||||
* XXX should dep_bit be a mask, so we can test to see if it is 0 as a
|
||||
* sanity check?
|
||||
* XXX encode hardware fixed wakeup dependencies -- esp. for 3430 CORE
|
||||
*/
|
||||
|
||||
/*
|
||||
* To-Do List
|
||||
* -> Port the Sleep/Wakeup dependencies for the domains
|
||||
* from the Power domain framework
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/io.h>
|
||||
|
||||
#include "clockdomain.h"
|
||||
#include "prm2xxx_3xxx.h"
|
||||
#include "cm2xxx_3xxx.h"
|
||||
#include "cm-regbits-24xx.h"
|
||||
#include "prm-regbits-24xx.h"
|
||||
|
||||
/*
|
||||
* Clockdomain dependencies for wkdeps
|
||||
*
|
||||
* XXX Hardware dependencies (e.g., dependencies that cannot be
|
||||
* changed in software) are not included here yet, but should be.
|
||||
*/
|
||||
|
||||
/* Wakeup dependency source arrays */
|
||||
|
||||
/* 2430-specific possible wakeup dependencies */
|
||||
|
||||
/* 2430 PM_WKDEP_CORE: DSP, GFX, MPU, WKUP, MDM */
|
||||
static struct clkdm_dep core_2430_wkdeps[] = {
|
||||
{ .clkdm_name = "dsp_clkdm" },
|
||||
{ .clkdm_name = "gfx_clkdm" },
|
||||
{ .clkdm_name = "mpu_clkdm" },
|
||||
{ .clkdm_name = "wkup_clkdm" },
|
||||
{ .clkdm_name = "mdm_clkdm" },
|
||||
{ NULL },
|
||||
};
|
||||
|
||||
/* 2430 PM_WKDEP_MPU: CORE, DSP, WKUP, MDM */
|
||||
static struct clkdm_dep mpu_2430_wkdeps[] = {
|
||||
{ .clkdm_name = "core_l3_clkdm" },
|
||||
{ .clkdm_name = "core_l4_clkdm" },
|
||||
{ .clkdm_name = "dsp_clkdm" },
|
||||
{ .clkdm_name = "wkup_clkdm" },
|
||||
{ .clkdm_name = "mdm_clkdm" },
|
||||
{ NULL },
|
||||
};
|
||||
|
||||
/* 2430 PM_WKDEP_MDM: CORE, MPU, WKUP */
|
||||
static struct clkdm_dep mdm_2430_wkdeps[] = {
|
||||
{ .clkdm_name = "core_l3_clkdm" },
|
||||
{ .clkdm_name = "core_l4_clkdm" },
|
||||
{ .clkdm_name = "mpu_clkdm" },
|
||||
{ .clkdm_name = "wkup_clkdm" },
|
||||
{ NULL },
|
||||
};
|
||||
|
||||
/*
|
||||
* 2430-only clockdomains
|
||||
*/
|
||||
|
||||
static struct clockdomain mpu_2430_clkdm = {
|
||||
.name = "mpu_clkdm",
|
||||
.pwrdm = { .name = "mpu_pwrdm" },
|
||||
.flags = CLKDM_CAN_HWSUP_SWSUP,
|
||||
.wkdep_srcs = mpu_2430_wkdeps,
|
||||
.clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK,
|
||||
};
|
||||
|
||||
/* Another case of bit name collisions between several registers: EN_MDM */
|
||||
static struct clockdomain mdm_clkdm = {
|
||||
.name = "mdm_clkdm",
|
||||
.pwrdm = { .name = "mdm_pwrdm" },
|
||||
.flags = CLKDM_CAN_HWSUP_SWSUP,
|
||||
.dep_bit = OMAP2430_PM_WKDEP_MPU_EN_MDM_SHIFT,
|
||||
.wkdep_srcs = mdm_2430_wkdeps,
|
||||
.clktrctrl_mask = OMAP2430_AUTOSTATE_MDM_MASK,
|
||||
};
|
||||
|
||||
static struct clockdomain dsp_2430_clkdm = {
|
||||
.name = "dsp_clkdm",
|
||||
.pwrdm = { .name = "dsp_pwrdm" },
|
||||
.flags = CLKDM_CAN_HWSUP_SWSUP,
|
||||
.dep_bit = OMAP24XX_PM_WKDEP_MPU_EN_DSP_SHIFT,
|
||||
.wkdep_srcs = dsp_24xx_wkdeps,
|
||||
.clktrctrl_mask = OMAP24XX_AUTOSTATE_DSP_MASK,
|
||||
};
|
||||
|
||||
static struct clockdomain gfx_2430_clkdm = {
|
||||
.name = "gfx_clkdm",
|
||||
.pwrdm = { .name = "gfx_pwrdm" },
|
||||
.flags = CLKDM_CAN_HWSUP_SWSUP,
|
||||
.wkdep_srcs = gfx_24xx_wkdeps,
|
||||
.clktrctrl_mask = OMAP24XX_AUTOSTATE_GFX_MASK,
|
||||
};
|
||||
|
||||
/*
|
||||
* XXX add usecounting for clkdm dependencies, otherwise the presence
|
||||
* of a single dep bit for core_l3_24xx_clkdm and core_l4_24xx_clkdm
|
||||
* could cause trouble
|
||||
*/
|
||||
static struct clockdomain core_l3_2430_clkdm = {
|
||||
.name = "core_l3_clkdm",
|
||||
.pwrdm = { .name = "core_pwrdm" },
|
||||
.flags = CLKDM_CAN_HWSUP,
|
||||
.dep_bit = OMAP24XX_EN_CORE_SHIFT,
|
||||
.wkdep_srcs = core_2430_wkdeps,
|
||||
.clktrctrl_mask = OMAP24XX_AUTOSTATE_L3_MASK,
|
||||
};
|
||||
|
||||
/*
|
||||
* XXX add usecounting for clkdm dependencies, otherwise the presence
|
||||
* of a single dep bit for core_l3_24xx_clkdm and core_l4_24xx_clkdm
|
||||
* could cause trouble
|
||||
*/
|
||||
static struct clockdomain core_l4_2430_clkdm = {
|
||||
.name = "core_l4_clkdm",
|
||||
.pwrdm = { .name = "core_pwrdm" },
|
||||
.flags = CLKDM_CAN_HWSUP,
|
||||
.dep_bit = OMAP24XX_EN_CORE_SHIFT,
|
||||
.wkdep_srcs = core_2430_wkdeps,
|
||||
.clktrctrl_mask = OMAP24XX_AUTOSTATE_L4_MASK,
|
||||
};
|
||||
|
||||
static struct clockdomain dss_2430_clkdm = {
|
||||
.name = "dss_clkdm",
|
||||
.pwrdm = { .name = "core_pwrdm" },
|
||||
.flags = CLKDM_CAN_HWSUP,
|
||||
.clktrctrl_mask = OMAP24XX_AUTOSTATE_DSS_MASK,
|
||||
};
|
||||
|
||||
static struct clockdomain *clockdomains_omap243x[] __initdata = {
|
||||
&wkup_common_clkdm,
|
||||
&cm_common_clkdm,
|
||||
&prm_common_clkdm,
|
||||
&mpu_2430_clkdm,
|
||||
&mdm_clkdm,
|
||||
&dsp_2430_clkdm,
|
||||
&gfx_2430_clkdm,
|
||||
&core_l3_2430_clkdm,
|
||||
&core_l4_2430_clkdm,
|
||||
&dss_2430_clkdm,
|
||||
NULL,
|
||||
};
|
||||
|
||||
void __init omap243x_clockdomains_init(void)
|
||||
{
|
||||
if (!cpu_is_omap243x())
|
||||
return;
|
||||
|
||||
clkdm_register_platform_funcs(&omap2_clkdm_operations);
|
||||
clkdm_register_clkdms(clockdomains_omap243x);
|
||||
clkdm_complete_init();
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user