Skip to content

Commit

Permalink
OMAP3+: VC: move on/onlp/ret/off command configuration into common init
Browse files Browse the repository at this point in the history
Configuring the on/onlp/ret/off command values is common to OMAP3 & 4.
Move from OMAP3-only init into common VC init.

Signed-off-by: Kevin Hilman <khilman@ti.com>
  • Loading branch information
Kevin Hilman committed Sep 15, 2011
1 parent 5892bb1 commit 08d1c9a
Showing 1 changed file with 13 additions and 17 deletions.
30 changes: 13 additions & 17 deletions arch/arm/mach-omap2/vc.c
Original file line number Diff line number Diff line change
Expand Up @@ -157,26 +157,11 @@ static void __init omap3_vfsm_init(struct voltagedomain *voltdm)

static void __init omap3_vc_init_channel(struct voltagedomain *voltdm)
{
struct omap_vc_channel *vc = voltdm->vc;
struct omap_vdd_info *vdd = voltdm->vdd;
static bool is_initialized;
u8 on_vsel, onlp_vsel, ret_vsel, off_vsel;
u32 vc_val;

if (is_initialized)
return;

/* Set up the on, inactive, retention and off voltage */
on_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->on_volt);
onlp_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->onlp_volt);
ret_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->ret_volt);
off_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->off_volt);
vc_val = ((on_vsel << vc->common->cmd_on_shift) |
(onlp_vsel << vc->common->cmd_onlp_shift) |
(ret_vsel << vc->common->cmd_ret_shift) |
(off_vsel << vc->common->cmd_off_shift));
voltdm->write(vc_val, vc->cmdval_reg);

/*
* Generic VC parameters init
* XXX This data should be abstracted out
Expand All @@ -201,8 +186,6 @@ static void __init omap4_vc_init_channel(struct voltagedomain *voltdm)
if (is_initialized)
return;

/* TODO: Configure setup times and CMD_VAL values*/

/*
* Generic VC parameters init
* XXX This data should be abstracted out
Expand All @@ -223,6 +206,8 @@ void __init omap_vc_init_channel(struct voltagedomain *voltdm)
{
struct omap_vc_channel *vc = voltdm->vc;
struct omap_vdd_info *vdd = voltdm->vdd;
u8 on_vsel, onlp_vsel, ret_vsel, off_vsel;
u32 val;

if (!vdd->pmic_info || !vdd->pmic_info->uv_to_vsel) {
pr_err("%s: PMIC info requried to configure vc for"
Expand Down Expand Up @@ -259,6 +244,17 @@ void __init omap_vc_init_channel(struct voltagedomain *voltdm)
vc->cmd_reg_addr << __ffs(vc->smps_cmdra_mask),
vc->common->smps_cmdra_reg);

/* Set up the on, inactive, retention and off voltage */
on_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->on_volt);
onlp_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->onlp_volt);
ret_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->ret_volt);
off_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->off_volt);
val = ((on_vsel << vc->common->cmd_on_shift) |
(onlp_vsel << vc->common->cmd_onlp_shift) |
(ret_vsel << vc->common->cmd_ret_shift) |
(off_vsel << vc->common->cmd_off_shift));
voltdm->write(val, vc->cmdval_reg);

/* Configure the setup times */
voltdm->rmw(voltdm->vfsm->voltsetup_mask,
vc->setup_time << __ffs(voltdm->vfsm->voltsetup_mask),
Expand Down

0 comments on commit 08d1c9a

Please sign in to comment.