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ARM: OMAP4: PRM: use the generic prm_inst to allow logic to be abstracted 

use the generic function to pick up the prm_instance for a generic logic
which can be reused from OMAP4+

Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
This commit is contained in:
Nishanth Menon 2014-05-22 15:00:55 -05:00
parent e3002d1ae1
commit 390ddc19e2
1 changed files with 38 additions and 9 deletions
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47
arch/arm/mach-omap2/prm44xx.c
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@ -154,21 +154,36 @@ void omap4_prm_vp_clear_txdone(u8 vp_id)
u32 omap4_prm_vcvp_read(u8 offset)
{
s32 inst = omap4_prmst_get_prm_dev_inst();
if (inst == PRM_INSTANCE_UNKNOWN)
return 0;
return omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
OMAP4430_PRM_DEVICE_INST, offset);
inst, offset);
}
void omap4_prm_vcvp_write(u32 val, u8 offset)
{
s32 inst = omap4_prmst_get_prm_dev_inst();
if (inst == PRM_INSTANCE_UNKNOWN)
return;
omap4_prminst_write_inst_reg(val, OMAP4430_PRM_PARTITION,
OMAP4430_PRM_DEVICE_INST, offset);
inst, offset);
}
u32 omap4_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset)
{
s32 inst = omap4_prmst_get_prm_dev_inst();
if (inst == PRM_INSTANCE_UNKNOWN)
return 0;
return omap4_prminst_rmw_inst_reg_bits(mask, bits,
OMAP4430_PRM_PARTITION,
OMAP4430_PRM_DEVICE_INST,
inst,
offset);
}
@ -275,14 +290,18 @@ void omap44xx_prm_restore_irqen(u32 *saved_mask)
void omap44xx_prm_reconfigure_io_chain(void)
{
int i = 0;
s32 inst = omap4_prmst_get_prm_dev_inst();
if (inst == PRM_INSTANCE_UNKNOWN)
return;
/* Trigger WUCLKIN enable */
omap4_prm_rmw_inst_reg_bits(OMAP4430_WUCLK_CTRL_MASK,
OMAP4430_WUCLK_CTRL_MASK,
OMAP4430_PRM_DEVICE_INST,
inst,
OMAP4_PRM_IO_PMCTRL_OFFSET);
omap_test_timeout(
(((omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST,
(((omap4_prm_read_inst_reg(inst,
OMAP4_PRM_IO_PMCTRL_OFFSET) &
OMAP4430_WUCLK_STATUS_MASK) >>
OMAP4430_WUCLK_STATUS_SHIFT) == 1),
@ -292,10 +311,10 @@ void omap44xx_prm_reconfigure_io_chain(void)
/* Trigger WUCLKIN disable */
omap4_prm_rmw_inst_reg_bits(OMAP4430_WUCLK_CTRL_MASK, 0x0,
OMAP4430_PRM_DEVICE_INST,
inst,
OMAP4_PRM_IO_PMCTRL_OFFSET);
omap_test_timeout(
(((omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST,
(((omap4_prm_read_inst_reg(inst,
OMAP4_PRM_IO_PMCTRL_OFFSET) &
OMAP4430_WUCLK_STATUS_MASK) >>
OMAP4430_WUCLK_STATUS_SHIFT) == 0),
@ -316,9 +335,14 @@ void omap44xx_prm_reconfigure_io_chain(void)
*/
static void __init omap44xx_prm_enable_io_wakeup(void)
{
s32 inst = omap4_prmst_get_prm_dev_inst();
if (inst == PRM_INSTANCE_UNKNOWN)
return;
omap4_prm_rmw_inst_reg_bits(OMAP4430_GLOBAL_WUEN_MASK,
OMAP4430_GLOBAL_WUEN_MASK,
OMAP4430_PRM_DEVICE_INST,
inst,
OMAP4_PRM_IO_PMCTRL_OFFSET);
}
@ -333,8 +357,13 @@ static u32 omap44xx_prm_read_reset_sources(void)
struct prm_reset_src_map *p;
u32 r = 0;
u32 v;
s32 inst = omap4_prmst_get_prm_dev_inst();
v = omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST,
if (inst == PRM_INSTANCE_UNKNOWN)
return 0;
v = omap4_prm_read_inst_reg(inst,
OMAP4_RM_RSTST);
p = omap44xx_prm_reset_src_map;