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authorTony Lindgren <tony@atomide.com>2017-12-11 07:46:40 -0800
committerTony Lindgren <tony@atomide.com>2017-12-11 07:46:40 -0800
commitfdf3632938a646c13f7407f2f8c33ff81eed9c76 (patch)
tree9f8c982a2e40af006cffd2daad05eba4deedc04a /arch
parent60af58cde4f27190c19dba7348e48bb03850eb91 (diff)
parent71d50393ab0186b40860d31468a1b701c97339f6 (diff)
Merge branch '4.15-rc1-clkctrl-mach-omap2' of https://github.com/t-kristo/linux-pm into omap-for-v4.16/soc
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/clockdomain.c8
-rw-r--r--arch/arm/mach-omap2/clockdomain.h2
-rw-r--r--arch/arm/mach-omap2/cm.h3
-rw-r--r--arch/arm/mach-omap2/cm33xx.c6
-rw-r--r--arch/arm/mach-omap2/cm_common.c10
-rw-r--r--arch/arm/mach-omap2/cminst44xx.c10
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c73
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_81xx_data.c2
8 files changed, 59 insertions, 55 deletions
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 518926410b62..b79b1ca9aee9 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -1224,14 +1224,6 @@ ccd_exit:
return 0;
}
-u32 clkdm_xlate_address(struct clockdomain *clkdm)
-{
- if (arch_clkdm->clkdm_xlate_address)
- return arch_clkdm->clkdm_xlate_address(clkdm);
-
- return 0;
-}
-
/**
* clkdm_hwmod_enable - add an enabled downstream hwmod to this clkdm
* @clkdm: struct clockdomain *
diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h
index 827f01e2d0af..24667a5a9dc0 100644
--- a/arch/arm/mach-omap2/clockdomain.h
+++ b/arch/arm/mach-omap2/clockdomain.h
@@ -175,7 +175,6 @@ struct clkdm_ops {
void (*clkdm_deny_idle)(struct clockdomain *clkdm);
int (*clkdm_clk_enable)(struct clockdomain *clkdm);
int (*clkdm_clk_disable)(struct clockdomain *clkdm);
- u32 (*clkdm_xlate_address)(struct clockdomain *clkdm);
};
int clkdm_register_platform_funcs(struct clkdm_ops *co);
@@ -214,7 +213,6 @@ int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh);
int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh);
-u32 clkdm_xlate_address(struct clockdomain *clkdm);
extern void __init omap242x_clockdomains_init(void);
extern void __init omap243x_clockdomains_init(void);
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index 7b66e179e44e..b19e83d53501 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -52,6 +52,7 @@ extern void omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2);
* @wait_module_idle: ptr to the SoC CM-specific wait_module_idle impl
* @module_enable: ptr to the SoC CM-specific module_enable impl
* @module_disable: ptr to the SoC CM-specific module_disable impl
+ * @xlate_clkctrl: ptr to the SoC CM-specific clkctrl xlate addr impl
*/
struct cm_ll_data {
int (*split_idlest_reg)(struct clk_omap_reg *idlest_reg, s16 *prcm_inst,
@@ -62,6 +63,7 @@ struct cm_ll_data {
u8 idlest_shift);
void (*module_enable)(u8 mode, u8 part, u16 inst, u16 clkctrl_offs);
void (*module_disable)(u8 part, u16 inst, u16 clkctrl_offs);
+ u32 (*xlate_clkctrl)(u8 part, u16 inst, u16 clkctrl_offs);
};
extern int cm_split_idlest_reg(struct clk_omap_reg *idlest_reg, s16 *prcm_inst,
@@ -72,6 +74,7 @@ int omap_cm_wait_module_idle(u8 part, s16 prcm_mod, u16 idlest_reg,
u8 idlest_shift);
int omap_cm_module_enable(u8 mode, u8 part, u16 inst, u16 clkctrl_offs);
int omap_cm_module_disable(u8 part, u16 inst, u16 clkctrl_offs);
+u32 omap_cm_xlate_clkctrl(u8 part, u16 inst, u16 clkctrl_offs);
extern int cm_register(const struct cm_ll_data *cld);
extern int cm_unregister(const struct cm_ll_data *cld);
int omap_cm_init(void);
diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c
index 0c9750fca387..1cc0247a2cb5 100644
--- a/arch/arm/mach-omap2/cm33xx.c
+++ b/arch/arm/mach-omap2/cm33xx.c
@@ -333,6 +333,11 @@ static int am33xx_clkdm_clk_disable(struct clockdomain *clkdm)
return 0;
}
+static u32 am33xx_cm_xlate_clkctrl(u8 part, u16 inst, u16 offset)
+{
+ return cm_base.pa + inst + offset;
+}
+
struct clkdm_ops am33xx_clkdm_operations = {
.clkdm_sleep = am33xx_clkdm_sleep,
.clkdm_wakeup = am33xx_clkdm_wakeup,
@@ -347,6 +352,7 @@ static const struct cm_ll_data am33xx_cm_ll_data = {
.wait_module_idle = &am33xx_cm_wait_module_idle,
.module_enable = &am33xx_cm_module_enable,
.module_disable = &am33xx_cm_module_disable,
+ .xlate_clkctrl = &am33xx_cm_xlate_clkctrl,
};
int __init am33xx_cm_init(const struct omap_prcm_init_data *data)
diff --git a/arch/arm/mach-omap2/cm_common.c b/arch/arm/mach-omap2/cm_common.c
index de9cdce27b83..7e9c85e37454 100644
--- a/arch/arm/mach-omap2/cm_common.c
+++ b/arch/arm/mach-omap2/cm_common.c
@@ -175,6 +175,16 @@ int omap_cm_module_disable(u8 part, u16 inst, u16 clkctrl_offs)
return 0;
}
+u32 omap_cm_xlate_clkctrl(u8 part, u16 inst, u16 clkctrl_offs)
+{
+ if (!cm_ll_data->xlate_clkctrl) {
+ WARN_ONCE(1, "cm: %s: no low-level function defined\n",
+ __func__);
+ return 0;
+ }
+ return cm_ll_data->xlate_clkctrl(part, inst, clkctrl_offs);
+}
+
/**
* cm_register - register per-SoC low-level data with the CM
* @cld: low-level per-SoC OMAP CM data & function pointers to register
diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c
index 2e2274fe0238..7deefee49fc3 100644
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -476,12 +476,9 @@ static int omap4_clkdm_clk_disable(struct clockdomain *clkdm)
return 0;
}
-static u32 omap4_clkdm_xlate_address(struct clockdomain *clkdm)
+static u32 omap4_cminst_xlate_clkctrl(u8 part, u16 inst, u16 offset)
{
- u32 addr = _cm_bases[clkdm->prcm_partition].pa + clkdm->cm_inst +
- clkdm->clkdm_offs;
-
- return addr;
+ return _cm_bases[part].pa + inst + offset;
}
struct clkdm_ops omap4_clkdm_operations = {
@@ -499,7 +496,6 @@ struct clkdm_ops omap4_clkdm_operations = {
.clkdm_deny_idle = omap4_clkdm_deny_idle,
.clkdm_clk_enable = omap4_clkdm_clk_enable,
.clkdm_clk_disable = omap4_clkdm_clk_disable,
- .clkdm_xlate_address = omap4_clkdm_xlate_address,
};
struct clkdm_ops am43xx_clkdm_operations = {
@@ -509,7 +505,6 @@ struct clkdm_ops am43xx_clkdm_operations = {
.clkdm_deny_idle = omap4_clkdm_deny_idle,
.clkdm_clk_enable = omap4_clkdm_clk_enable,
.clkdm_clk_disable = omap4_clkdm_clk_disable,
- .clkdm_xlate_address = omap4_clkdm_xlate_address,
};
static const struct cm_ll_data omap4xxx_cm_ll_data = {
@@ -517,6 +512,7 @@ static const struct cm_ll_data omap4xxx_cm_ll_data = {
.wait_module_idle = &omap4_cminst_wait_module_idle,
.module_enable = &omap4_cminst_module_enable,
.module_disable = &omap4_cminst_module_disable,
+ .xlate_clkctrl = &omap4_cminst_xlate_clkctrl,
};
int __init omap4_cm_init(const struct omap_prcm_init_data *data)
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 104256a5f0f7..5eff27e4f24b 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -185,15 +185,15 @@
/**
* struct clkctrl_provider - clkctrl provider mapping data
* @addr: base address for the provider
- * @offset: base offset for the provider
- * @clkdm: base clockdomain for provider
+ * @size: size of the provider address space
+ * @offset: offset of the provider from PRCM instance base
* @node: device node associated with the provider
* @link: list link
*/
struct clkctrl_provider {
u32 addr;
+ u32 size;
u16 offset;
- struct clockdomain *clkdm;
struct device_node *node;
struct list_head link;
};
@@ -223,8 +223,7 @@ struct omap_hwmod_soc_ops {
void (*update_context_lost)(struct omap_hwmod *oh);
int (*get_context_lost)(struct omap_hwmod *oh);
int (*disable_direct_prcm)(struct omap_hwmod *oh);
- u32 (*xlate_clkctrl)(struct omap_hwmod *oh,
- struct clkctrl_provider *provider);
+ u32 (*xlate_clkctrl)(struct omap_hwmod *oh);
};
/* soc_ops: adapts the omap_hwmod code to the currently-booted SoC */
@@ -716,45 +715,28 @@ static const struct of_device_id ti_clkctrl_match_table[] __initconst = {
{ }
};
-static int _match_clkdm(struct clockdomain *clkdm, void *user)
-{
- struct clkctrl_provider *provider = user;
-
- if (clkdm_xlate_address(clkdm) == provider->addr) {
- pr_debug("%s: Matched clkdm %s for addr %x (%s)\n", __func__,
- clkdm->name, provider->addr,
- provider->node->parent->name);
- provider->clkdm = clkdm;
-
- return -1;
- }
-
- return 0;
-}
-
static int _setup_clkctrl_provider(struct device_node *np)
{
const __be32 *addrp;
struct clkctrl_provider *provider;
+ u64 size;
provider = memblock_virt_alloc(sizeof(*provider), 0);
if (!provider)
return -ENOMEM;
- addrp = of_get_address(np, 0, NULL, NULL);
+ addrp = of_get_address(np, 0, &size, NULL);
provider->addr = (u32)of_translate_address(np, addrp);
- provider->offset = provider->addr & 0xff;
+ addrp = of_get_address(np->parent, 0, NULL, NULL);
+ provider->offset = provider->addr -
+ (u32)of_translate_address(np->parent, addrp);
provider->addr &= ~0xff;
+ provider->size = size | 0xff;
provider->node = np;
- clkdm_for_each(_match_clkdm, provider);
-
- if (!provider->clkdm) {
- pr_err("%s: nothing matched for node %s (%x)\n",
- __func__, np->parent->name, provider->addr);
- memblock_free_early(__pa(provider), sizeof(*provider));
- return -EINVAL;
- }
+ pr_debug("%s: %s: %x...%x [+%x]\n", __func__, np->parent->name,
+ provider->addr, provider->addr + provider->size,
+ provider->offset);
list_add(&provider->link, &clkctrl_providers);
@@ -775,32 +757,48 @@ static int _init_clkctrl_providers(void)
return ret;
}
-static u32 _omap4_xlate_clkctrl(struct omap_hwmod *oh,
- struct clkctrl_provider *provider)
+static u32 _omap4_xlate_clkctrl(struct omap_hwmod *oh)
{
- return oh->prcm.omap4.clkctrl_offs -
- provider->offset - provider->clkdm->clkdm_offs;
+ if (!oh->prcm.omap4.modulemode)
+ return 0;
+
+ return omap_cm_xlate_clkctrl(oh->clkdm->prcm_partition,
+ oh->clkdm->cm_inst,
+ oh->prcm.omap4.clkctrl_offs);
}
static struct clk *_lookup_clkctrl_clk(struct omap_hwmod *oh)
{
struct clkctrl_provider *provider;
struct clk *clk;
+ u32 addr;
if (!soc_ops.xlate_clkctrl)
return NULL;
+ addr = soc_ops.xlate_clkctrl(oh);
+ if (!addr)
+ return NULL;
+
+ pr_debug("%s: %s: addr=%x\n", __func__, oh->name, addr);
+
list_for_each_entry(provider, &clkctrl_providers, link) {
- if (provider->clkdm == oh->clkdm) {
+ if (provider->addr <= addr &&
+ provider->addr + provider->size >= addr) {
struct of_phandle_args clkspec;
clkspec.np = provider->node;
clkspec.args_count = 2;
- clkspec.args[0] = soc_ops.xlate_clkctrl(oh, provider);
+ clkspec.args[0] = addr - provider->addr -
+ provider->offset;
clkspec.args[1] = 0;
clk = of_clk_get_from_provider(&clkspec);
+ pr_debug("%s: %s got %p (offset=%x, provider=%s)\n",
+ __func__, oh->name, clk, clkspec.args[0],
+ provider->node->parent->name);
+
return clk;
}
}
@@ -3521,6 +3519,7 @@ void __init omap_hwmod_init(void)
soc_ops.is_hardreset_asserted = _omap4_is_hardreset_asserted;
soc_ops.init_clkdm = _init_clkdm;
soc_ops.disable_direct_prcm = _omap4_disable_direct_prcm;
+ soc_ops.xlate_clkctrl = _omap4_xlate_clkctrl;
} else {
WARN(1, "omap_hwmod: unknown SoC type\n");
}
diff --git a/arch/arm/mach-omap2/omap_hwmod_81xx_data.c b/arch/arm/mach-omap2/omap_hwmod_81xx_data.c
index 77a515b11ec2..84f118280a0e 100644
--- a/arch/arm/mach-omap2/omap_hwmod_81xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_81xx_data.c
@@ -988,7 +988,7 @@ static struct omap_hwmod_class dm81xx_sata_hwmod_class = {
static struct omap_hwmod dm81xx_sata_hwmod = {
.name = "sata",
- .clkdm_name = "default_sata_clkdm",
+ .clkdm_name = "default_clkdm",
.flags = HWMOD_NO_IDLEST,
.prcm = {
.omap4 = {