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authorKevin Hilman <khilman@ti.com>2011-03-30 00:14:38 +0200
committerKevin Hilman <khilman@ti.com>2011-09-15 21:08:56 +0200
commit08d1c9a3e2dc7a285db7c689c42963d0f5271c1f (patch)
tree233910c2fc9df488c03d1e1b1f1a09eb72b73648 /arch/arm
parentOMAP3+: VC: cleanup voltage setup time configuration (diff)
downloadlinux-08d1c9a3e2dc7a285db7c689c42963d0f5271c1f.tar.xz
linux-08d1c9a3e2dc7a285db7c689c42963d0f5271c1f.zip
OMAP3+: VC: move on/onlp/ret/off command configuration into common init
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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-omap2/vc.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
index f78e62abe720..72c9cb64a42b 100644
--- a/arch/arm/mach-omap2/vc.c
+++ b/arch/arm/mach-omap2/vc.c
@@ -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
@@ -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
@@ -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"
@@ -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),