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ARM: OMAP4: PRM: Remove hardcoding of PRM_IO_PMCTRL_OFFSET register

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PRM_IO_PMCTRL_OFFSET need not be same for all SOCs hence
remove hardcoding and use the value provided by the omap_prcm_irq_setup
structure. This is done to support IO wakeup on am437x series.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Keerthy 2015-07-16 17:23:16 +05:30 committed by Paul Walmsley
parent d770e558e2
commit fac03f12f8
2 changed files with 8 additions and 5 deletions
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2
arch/arm/mach-omap2/prcm-common.h
View file

@ -472,6 +472,7 @@ struct omap_prcm_irq {
* struct omap_prcm_irq_setup - PRCM interrupt controller details
* @ack: PRM register offset for the first PRM_IRQSTATUS_MPU register
* @mask: PRM register offset for the first PRM_IRQENABLE_MPU register
* @pm_ctrl: PRM register offset for the PRM_IO_PMCTRL register
* @nr_regs: number of PRM_IRQ{STATUS,ENABLE}_MPU* registers
* @nr_irqs: number of entries in the @irqs array
* @irqs: ptr to an array of PRCM interrupt bits (see @nr_irqs)
@ -494,6 +495,7 @@ struct omap_prcm_irq {
struct omap_prcm_irq_setup {
u16 ack;
u16 mask;
u16 pm_ctrl;
u8 nr_regs;
u8 nr_irqs;
const struct omap_prcm_irq *irqs;

11
arch/arm/mach-omap2/prm44xx.c
View file

@ -45,6 +45,7 @@ static const struct omap_prcm_irq omap4_prcm_irqs[] = {
static struct omap_prcm_irq_setup omap4_prcm_irq_setup = {
.ack = OMAP4_PRM_IRQSTATUS_MPU_OFFSET,
.mask = OMAP4_PRM_IRQENABLE_MPU_OFFSET,
.pm_ctrl = OMAP4_PRM_IO_PMCTRL_OFFSET,
.nr_regs = 2,
.irqs = omap4_prcm_irqs,
.nr_irqs = ARRAY_SIZE(omap4_prcm_irqs),
@ -306,10 +307,10 @@ static void omap44xx_prm_reconfigure_io_chain(void)
omap4_prm_rmw_inst_reg_bits(OMAP4430_WUCLK_CTRL_MASK,
OMAP4430_WUCLK_CTRL_MASK,
inst,
OMAP4_PRM_IO_PMCTRL_OFFSET);
omap4_prcm_irq_setup.pm_ctrl);
omap_test_timeout(
(((omap4_prm_read_inst_reg(inst,
OMAP4_PRM_IO_PMCTRL_OFFSET) &
omap4_prcm_irq_setup.pm_ctrl) &
OMAP4430_WUCLK_STATUS_MASK) >>
OMAP4430_WUCLK_STATUS_SHIFT) == 1),
MAX_IOPAD_LATCH_TIME, i);
@ -319,10 +320,10 @@ static void omap44xx_prm_reconfigure_io_chain(void)
/* Trigger WUCLKIN disable */
omap4_prm_rmw_inst_reg_bits(OMAP4430_WUCLK_CTRL_MASK, 0x0,
inst,
OMAP4_PRM_IO_PMCTRL_OFFSET);
omap4_prcm_irq_setup.pm_ctrl);
omap_test_timeout(
(((omap4_prm_read_inst_reg(inst,
OMAP4_PRM_IO_PMCTRL_OFFSET) &
omap4_prcm_irq_setup.pm_ctrl) &
OMAP4430_WUCLK_STATUS_MASK) >>
OMAP4430_WUCLK_STATUS_SHIFT) == 0),
MAX_IOPAD_LATCH_TIME, i);
@ -350,7 +351,7 @@ static void __init omap44xx_prm_enable_io_wakeup(void)
omap4_prm_rmw_inst_reg_bits(OMAP4430_GLOBAL_WUEN_MASK,
OMAP4430_GLOBAL_WUEN_MASK,
inst,
OMAP4_PRM_IO_PMCTRL_OFFSET);
omap4_prcm_irq_setup.pm_ctrl);
}
/**