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ARM: OMAP4+: control: remove support for legacy pad read/write

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omap4_ctrl_pad_readl/writel are no longer used by anybody, so remove
these. Syscon / pinctrl should be used to access the padconf area
instead.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Tero Kristo 2015-02-20 10:08:52 +02:00
parent 23d34981c7
commit efde234674
3 changed files with 6 additions and 34 deletions
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24
arch/arm/mach-omap2/control.c
View File

@ -36,7 +36,6 @@
static void __iomem *omap2_ctrl_base;
static s16 omap2_ctrl_offset;
static void __iomem *omap4_ctrl_pad_base;
static struct regmap *omap2_ctrl_syscon;
#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
@ -139,13 +138,9 @@ struct omap3_control_regs {
static struct omap3_control_regs control_context;
#endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */
#define OMAP4_CTRL_PAD_REGADDR(reg) (omap4_ctrl_pad_base + (reg))
void __init omap2_set_globals_control(void __iomem *ctrl,
void __iomem *ctrl_pad)
void __init omap2_set_globals_control(void __iomem *ctrl)
{
omap2_ctrl_base = ctrl;
omap4_ctrl_pad_base = ctrl_pad;
}
u8 omap_ctrl_readb(u16 offset)
@ -218,23 +213,6 @@ void omap_ctrl_writel(u32 val, u16 offset)
val);
}
/*
* On OMAP4 control pad are not addressable from control
* core base. So the common omap_ctrl_read/write APIs breaks
* Hence export separate APIs to manage the omap4 pad control
* registers. This APIs will work only for OMAP4
*/
u32 omap4_ctrl_pad_readl(u16 offset)
{
return readl_relaxed(OMAP4_CTRL_PAD_REGADDR(offset));
}
void omap4_ctrl_pad_writel(u32 val, u16 offset)
{
writel_relaxed(val, OMAP4_CTRL_PAD_REGADDR(offset));
}
#ifdef CONFIG_ARCH_OMAP3
/**

5
arch/arm/mach-omap2/control.h
View File

@ -443,11 +443,9 @@
extern u8 omap_ctrl_readb(u16 offset);
extern u16 omap_ctrl_readw(u16 offset);
extern u32 omap_ctrl_readl(u16 offset);
extern u32 omap4_ctrl_pad_readl(u16 offset);
extern void omap_ctrl_writeb(u8 val, u16 offset);
extern void omap_ctrl_writew(u16 val, u16 offset);
extern void omap_ctrl_writel(u32 val, u16 offset);
extern void omap4_ctrl_pad_writel(u32 val, u16 offset);
extern void omap3_save_scratchpad_contents(void);
extern void omap3_clear_scratchpad_contents(void);
@ -465,8 +463,7 @@ extern int omap3_ctrl_save_padconf(void);
void omap3_ctrl_init(void);
int omap2_control_base_init(void);
int omap_control_init(void);
extern void omap2_set_globals_control(void __iomem *ctrl,
void __iomem *ctrl_pad);
void omap2_set_globals_control(void __iomem *ctrl);
void __init omap3_control_legacy_iomap_init(void);
#else
#define omap_ctrl_readb(x) 0

11
arch/arm/mach-omap2/io.c
View File

@ -443,7 +443,7 @@ void __init omap3_init_early(void)
/* XXX: remove these once OMAP3 is DT only */
if (!of_have_populated_dt()) {
omap2_set_globals_control(
OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE), NULL);
OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE));
omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE));
omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE),
NULL);
@ -631,8 +631,7 @@ void __init omap4430_init_early(void)
{
omap2_set_globals_tap(OMAP443X_CLASS,
OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE));
omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
omap4xxx_check_revision();
omap4xxx_check_features();
@ -660,8 +659,7 @@ void __init omap5_init_early(void)
{
omap2_set_globals_tap(OMAP54XX_CLASS,
OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
OMAP2_L4_IO_ADDRESS(OMAP54XX_CTRL_BASE));
omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
omap4_pm_init_early();
omap2_prcm_base_init();
@ -686,8 +684,7 @@ void __init omap5_init_late(void)
void __init dra7xx_init_early(void)
{
omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
OMAP2_L4_IO_ADDRESS(DRA7XX_CTRL_BASE));
omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
omap4_pm_init_early();
omap2_prcm_base_init();