In some cases the physical address info is needed, so store this
under the existing cm*_base, prm_base and prcm_mpu_base variables.
These are converted now to structs that contain both virtual and
physical address base for the instance.
Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
---
arch/arm/mach-omap2/cm.h | 7 +++++--
arch/arm/mach-omap2/cm2xxx_3xxx.h | 4 ++--
arch/arm/mach-omap2/cm33xx.c | 4 ++--
arch/arm/mach-omap2/cm3xxx.c | 3 ++-
arch/arm/mach-omap2/cm_common.c | 31 +++++++++++++++++++------------
arch/arm/mach-omap2/cminst44xx.c | 19 ++++++++++---------
arch/arm/mach-omap2/prcm-common.h | 7 +++++++
arch/arm/mach-omap2/prcm_mpu44xx.c | 4 ++--
arch/arm/mach-omap2/prcm_mpu_44xx_54xx.h | 4 +++-
arch/arm/mach-omap2/prm.h | 2 +-
arch/arm/mach-omap2/prm2xxx_3xxx.h | 4 ++--
arch/arm/mach-omap2/prm33xx.c | 4 ++--
arch/arm/mach-omap2/prm3xxx.c | 2 +-
arch/arm/mach-omap2/prm44xx.c | 4 ++--
arch/arm/mach-omap2/prm_common.c | 23 +++++++++++++----------
arch/arm/mach-omap2/prminst44xx.c | 16 +++++++++-------
16 files changed, 82 insertions(+), 56 deletions(-)
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index de75cbc..e833984 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -24,8 +24,11 @@
# ifndef __ASSEMBLER__
#include <linux/clk/ti.h>
-extern void __iomem *cm_base;
-extern void __iomem *cm2_base;
+
+#include "prcm-common.h"
+
+extern struct omap_domain_base cm_base;
+extern struct omap_domain_base cm2_base;
extern void omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2);
# endif
diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.h b/arch/arm/mach-omap2/cm2xxx_3xxx.h
index 72928a3..aa148cd 100644
--- a/arch/arm/mach-omap2/cm2xxx_3xxx.h
+++ b/arch/arm/mach-omap2/cm2xxx_3xxx.h
@@ -52,12 +52,12 @@
static inline u32 omap2_cm_read_mod_reg(s16 module, u16 idx)
{
- return readl_relaxed(cm_base + module + idx);
+ return readl_relaxed(cm_base.va + module + idx);
}
static inline void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx)
{
- writel_relaxed(val, cm_base + module + idx);
+ writel_relaxed(val, cm_base.va + module + idx);
}
/* Read-modify-write a register in a CM module. Caller must lock */
diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c
index 6f2d0ae..a9e08d8 100644
--- a/arch/arm/mach-omap2/cm33xx.c
+++ b/arch/arm/mach-omap2/cm33xx.c
@@ -50,13 +50,13 @@
/* Read a register in a CM instance */
static inline u32 am33xx_cm_read_reg(u16 inst, u16 idx)
{
- return readl_relaxed(cm_base + inst + idx);
+ return readl_relaxed(cm_base.va + inst + idx);
}
/* Write into a register in a CM */
static inline void am33xx_cm_write_reg(u32 val, u16 inst, u16 idx)
{
- writel_relaxed(val, cm_base + inst + idx);
+ writel_relaxed(val, cm_base.va + inst + idx);
}
/* Read-modify-write a register in CM */
diff --git a/arch/arm/mach-omap2/cm3xxx.c b/arch/arm/mach-omap2/cm3xxx.c
index 55b046a..961bc47 100644
--- a/arch/arm/mach-omap2/cm3xxx.c
+++ b/arch/arm/mach-omap2/cm3xxx.c
@@ -669,7 +669,8 @@ void omap3_cm_save_scratchpad_contents(u32 *ptr)
int __init omap3xxx_cm_init(const struct omap_prcm_init_data *data)
{
- omap2_clk_legacy_provider_init(TI_CLKM_CM, cm_base + OMAP3430_IVA2_MOD);
+ omap2_clk_legacy_provider_init(TI_CLKM_CM, cm_base.va +
+ OMAP3430_IVA2_MOD);
return cm_register(&omap3xxx_cm_ll_data);
}
diff --git a/arch/arm/mach-omap2/cm_common.c b/arch/arm/mach-omap2/cm_common.c
index bbe41f4..d555791 100644
--- a/arch/arm/mach-omap2/cm_common.c
+++ b/arch/arm/mach-omap2/cm_common.c
@@ -32,10 +32,10 @@
static struct cm_ll_data *cm_ll_data = &null_cm_ll_data;
/* cm_base: base virtual address of the CM IP block */
-void __iomem *cm_base;
+struct omap_domain_base cm_base;
/* cm2_base: base virtual address of the CM2 IP block (OMAP44xx only) */
-void __iomem *cm2_base;
+struct omap_domain_base cm2_base;
#define CM_NO_CLOCKS 0x1
#define CM_SINGLE_INSTANCE 0x2
@@ -49,8 +49,8 @@
*/
void __init omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2)
{
- cm_base = cm;
- cm2_base = cm2;
+ cm_base.va = cm;
+ cm2_base.va = cm2;
}
/**
@@ -315,27 +315,34 @@ int __init omap2_cm_base_init(void)
struct device_node *np;
const struct of_device_id *match;
struct omap_prcm_init_data *data;
- void __iomem *mem;
+ struct resource res;
+ int ret;
+ struct omap_domain_base *mem = NULL;
for_each_matching_node_and_match(np, omap_cm_dt_match_table, &match) {
data = (struct omap_prcm_init_data *)match->data;
- mem = of_iomap(np, 0);
- if (!mem)
- return -ENOMEM;
+ ret = of_address_to_resource(np, 0, &res);
+ if (ret)
+ return ret;
if (data->index == TI_CLKM_CM)
- cm_base = mem + data->offset;
+ mem = &cm_base;
if (data->index == TI_CLKM_CM2)
- cm2_base = mem + data->offset;
+ mem = &cm2_base;
+
+ data->mem = ioremap(res.start, resource_size(&res));
- data->mem = mem;
+ if (mem) {
+ mem->pa = res.start + data->offset;
+ mem->va = data->mem + data->offset;
+ }
data->np = np;
if (data->init && (data->flags & CM_SINGLE_INSTANCE ||
- (cm_base && cm2_base)))
+ (cm_base.va && cm2_base.va)))
data->init(data);
}
diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c
index 2ab27ad..cfa10a3 100644
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -55,7 +55,7 @@
#define CLKCTRL_IDLEST_INTERFACE_IDLE 0x2
#define CLKCTRL_IDLEST_DISABLED 0x3
-static void __iomem *_cm_bases[OMAP4_MAX_PRCM_PARTITIONS];
+static struct omap_domain_base _cm_bases[OMAP4_MAX_PRCM_PARTITIONS];
/**
* omap_cm_base_init - Populates the cm partitions
@@ -65,10 +65,11 @@
*/
static void omap_cm_base_init(void)
{
- _cm_bases[OMAP4430_PRM_PARTITION] = prm_base;
- _cm_bases[OMAP4430_CM1_PARTITION] = cm_base;
- _cm_bases[OMAP4430_CM2_PARTITION] = cm2_base;
- _cm_bases[OMAP4430_PRCM_MPU_PARTITION] = prcm_mpu_base;
+ memcpy(&_cm_bases[OMAP4430_PRM_PARTITION], &prm_base, sizeof(prm_base));
+ memcpy(&_cm_bases[OMAP4430_CM1_PARTITION], &cm_base, sizeof(cm_base));
+ memcpy(&_cm_bases[OMAP4430_CM2_PARTITION], &cm2_base, sizeof(cm2_base));
+ memcpy(&_cm_bases[OMAP4430_PRCM_MPU_PARTITION], &prcm_mpu_base,
+ sizeof(prcm_mpu_base));
}
/* Private functions */
@@ -116,8 +117,8 @@ static u32 omap4_cminst_read_inst_reg(u8 part, u16 inst, u16 idx)
{
BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
part == OMAP4430_INVALID_PRCM_PARTITION ||
- !_cm_bases[part]);
- return readl_relaxed(_cm_bases[part] + inst + idx);
+ !_cm_bases[part].va);
+ return readl_relaxed(_cm_bases[part].va + inst + idx);
}
/* Write into a register in a CM instance */
@@ -125,8 +126,8 @@ static void omap4_cminst_write_inst_reg(u32 val, u8 part, u16 inst, u16 idx)
{
BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
part == OMAP4430_INVALID_PRCM_PARTITION ||
- !_cm_bases[part]);
- writel_relaxed(val, _cm_bases[part] + inst + idx);
+ !_cm_bases[part].va);
+ writel_relaxed(val, _cm_bases[part].va + inst + idx);
}
/* Read-modify-write a register in CM1. Caller must lock */
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index c8f590b..ee7041d 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -526,10 +526,16 @@ struct omap_prcm_irq_setup {
.priority = _priority \
}
+struct omap_domain_base {
+ u32 pa;
+ void __iomem *va;
+};
+
/**
* struct omap_prcm_init_data - PRCM driver init data
* @index: clock memory mapping index to be used
* @mem: IO mem pointer for this module
+ * @phys: IO mem physical base address for this module
* @offset: module base address offset from the IO base
* @flags: PRCM module init flags
* @device_inst_offset: device instance offset within the module address space
@@ -539,6 +545,7 @@ struct omap_prcm_irq_setup {
struct omap_prcm_init_data {
int index;
void __iomem *mem;
+ u32 phys;
s16 offset;
u16 flags;
s32 device_inst_offset;
diff --git a/arch/arm/mach-omap2/prcm_mpu44xx.c b/arch/arm/mach-omap2/prcm_mpu44xx.c
index cdbee63..9c782f5 100644
--- a/arch/arm/mach-omap2/prcm_mpu44xx.c
+++ b/arch/arm/mach-omap2/prcm_mpu44xx.c
@@ -24,7 +24,7 @@
* prcm_mpu_base: the virtual address of the start of the PRCM_MPU IP
* block registers
*/
-void __iomem *prcm_mpu_base;
+struct omap_domain_base prcm_mpu_base;
/* PRCM_MPU low-level functions */
@@ -58,5 +58,5 @@ u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg)
*/
void __init omap2_set_globals_prcm_mpu(void __iomem *prcm_mpu)
{
- prcm_mpu_base = prcm_mpu;
+ prcm_mpu_base.va = prcm_mpu;
}
diff --git a/arch/arm/mach-omap2/prcm_mpu_44xx_54xx.h b/arch/arm/mach-omap2/prcm_mpu_44xx_54xx.h
index ca149e7..f565f7f 100644
--- a/arch/arm/mach-omap2/prcm_mpu_44xx_54xx.h
+++ b/arch/arm/mach-omap2/prcm_mpu_44xx_54xx.h
@@ -24,7 +24,9 @@
#define __ARCH_ARM_MACH_OMAP2_PRCM_MPU_44XX_54XX_H
#ifndef __ASSEMBLER__
-extern void __iomem *prcm_mpu_base;
+#include "prcm-common.h"
+
+extern struct omap_domain_base prcm_mpu_base;
extern u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 idx);
extern void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 idx);
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index 233bc84..94dc356 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -16,7 +16,7 @@
#include "prcm-common.h"
# ifndef __ASSEMBLER__
-extern void __iomem *prm_base;
+extern struct omap_domain_base prm_base;
extern u16 prm_features;
extern void omap2_set_globals_prm(void __iomem *prm);
int omap_prcm_init(void);
diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.h b/arch/arm/mach-omap2/prm2xxx_3xxx.h
index f57e29b..6775e10 100644
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.h
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.h
@@ -55,12 +55,12 @@
/* Power/reset management domain register get/set */
static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx)
{
- return readl_relaxed(prm_base + module + idx);
+ return readl_relaxed(prm_base.va + module + idx);
}
static inline void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx)
{
- writel_relaxed(val, prm_base + module + idx);
+ writel_relaxed(val, prm_base.va + module + idx);
}
/* Read-modify-write a register in a PRM module. Caller must lock */
diff --git a/arch/arm/mach-omap2/prm33xx.c b/arch/arm/mach-omap2/prm33xx.c
index dcb5001..d2c5bca 100644
--- a/arch/arm/mach-omap2/prm33xx.c
+++ b/arch/arm/mach-omap2/prm33xx.c
@@ -30,13 +30,13 @@
/* Read a register in a PRM instance */
static u32 am33xx_prm_read_reg(s16 inst, u16 idx)
{
- return readl_relaxed(prm_base + inst + idx);
+ return readl_relaxed(prm_base.va + inst + idx);
}
/* Write into a register in a PRM instance */
static void am33xx_prm_write_reg(u32 val, s16 inst, u16 idx)
{
- writel_relaxed(val, prm_base + inst + idx);
+ writel_relaxed(val, prm_base.va + inst + idx);
}
/* Read-modify-write a register in PRM. Caller must lock */
diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c
index 718981b..50291a0 100644
--- a/arch/arm/mach-omap2/prm3xxx.c
+++ b/arch/arm/mach-omap2/prm3xxx.c
@@ -676,7 +676,7 @@ struct pwrdm_ops omap3_pwrdm_operations = {
int __init omap3xxx_prm_init(const struct omap_prcm_init_data *data)
{
omap2_clk_legacy_provider_init(TI_CLKM_PRM,
- prm_base + OMAP3430_IVA2_MOD);
+ prm_base.va + OMAP3430_IVA2_MOD);
if (omap3_has_io_wakeup())
prm_features |= PRM_HAS_IO_WAKEUP;
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index 3076800..090a131 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -91,13 +91,13 @@
/* Read a register in a CM/PRM instance in the PRM module */
static u32 omap4_prm_read_inst_reg(s16 inst, u16 reg)
{
- return readl_relaxed(prm_base + inst + reg);
+ return readl_relaxed(prm_base.va + inst + reg);
}
/* Write into a register in a CM/PRM instance in the PRM module */
static void omap4_prm_write_inst_reg(u32 val, s16 inst, u16 reg)
{
- writel_relaxed(val, prm_base + inst + reg);
+ writel_relaxed(val, prm_base.va + inst + reg);
}
/* Read-modify-write a register in a PRM module. Caller must lock */
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 2b138b6..ae13aa7 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -66,7 +66,7 @@
static struct omap_prcm_irq_setup *prcm_irq_setup;
/* prm_base: base virtual address of the PRM IP block */
-void __iomem *prm_base;
+struct omap_domain_base prm_base;
u16 prm_features;
@@ -325,7 +325,7 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup)
for (i = 0; i < irq_setup->nr_regs; i++) {
gc = irq_alloc_generic_chip("PRCM", 1,
- irq_setup->base_irq + i * 32, prm_base,
+ irq_setup->base_irq + i * 32, prm_base.va,
handle_level_irq);
if (!gc) {
@@ -364,7 +364,7 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup)
*/
void __init omap2_set_globals_prm(void __iomem *prm)
{
- prm_base = prm;
+ prm_base.va = prm;
}
/**
@@ -755,19 +755,22 @@ int __init omap2_prm_base_init(void)
struct device_node *np;
const struct of_device_id *match;
struct omap_prcm_init_data *data;
- void __iomem *mem;
+ struct resource res;
+ int ret;
for_each_matching_node_and_match(np, omap_prcm_dt_match_table, &match) {
data = (struct omap_prcm_init_data *)match->data;
- mem = of_iomap(np, 0);
- if (!mem)
- return -ENOMEM;
+ ret = of_address_to_resource(np, 0, &res);
+ if (ret)
+ return ret;
- if (data->index == TI_CLKM_PRM)
- prm_base = mem + data->offset;
+ data->mem = ioremap(res.start, resource_size(&res));
- data->mem = mem;
+ if (data->index == TI_CLKM_PRM) {
+ prm_base.va = data->mem + data->offset;
+ prm_base.pa = res.start + data->offset;
+ }
data->np = np;
diff --git a/arch/arm/mach-omap2/prminst44xx.c b/arch/arm/mach-omap2/prminst44xx.c
index d0b15db..48b8127 100644
--- a/arch/arm/mach-omap2/prminst44xx.c
+++ b/arch/arm/mach-omap2/prminst44xx.c
@@ -29,7 +29,7 @@
#include "prcm_mpu44xx.h"
#include "soc.h"
-static void __iomem *_prm_bases[OMAP4_MAX_PRCM_PARTITIONS];
+static struct omap_domain_base _prm_bases[OMAP4_MAX_PRCM_PARTITIONS];
static s32 prm_dev_inst = PRM_INSTANCE_UNKNOWN;
@@ -41,8 +41,10 @@
*/
void omap_prm_base_init(void)
{
- _prm_bases[OMAP4430_PRM_PARTITION] = prm_base;
- _prm_bases[OMAP4430_PRCM_MPU_PARTITION] = prcm_mpu_base;
+ memcpy(&_prm_bases[OMAP4430_PRM_PARTITION], &prm_base,
+ sizeof(prm_base));
+ memcpy(&_prm_bases[OMAP4430_PRCM_MPU_PARTITION], &prcm_mpu_base,
+ sizeof(prcm_mpu_base));
}
s32 omap4_prmst_get_prm_dev_inst(void)
@@ -60,8 +62,8 @@ u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx)
{
BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
part == OMAP4430_INVALID_PRCM_PARTITION ||
- !_prm_bases[part]);
- return readl_relaxed(_prm_bases[part] + inst + idx);
+ !_prm_bases[part].va);
+ return readl_relaxed(_prm_bases[part].va + inst + idx);
}
/* Write into a register in a PRM instance */
@@ -69,8 +71,8 @@ void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx)
{
BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
part == OMAP4430_INVALID_PRCM_PARTITION ||
- !_prm_bases[part]);
- writel_relaxed(val, _prm_bases[part] + inst + idx);
+ !_prm_bases[part].va);
+ writel_relaxed(val, _prm_bases[part].va + inst + idx);
}
/* Read-modify-write a register in PRM. Caller must lock */
--
1.9.1
--
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