diff options
| author | Tero Kristo <t-kristo@ti.com> | 2014-03-04 19:17:06 +0400 |
|---|---|---|
| committer | Tero Kristo <t-kristo@ti.com> | 2014-07-04 18:02:18 +0400 |
| commit | bbd36f9f03eceee5c208db83049142171e6338f6 (patch) | |
| tree | 16a6d579e4938078996158b172f059ea40572389 | |
| parent | c5180a2b3e26d9b82277986f830c89a50103e65a (diff) | |
| download | linux-bbd36f9f03eceee5c208db83049142171e6338f6.tar.xz | |
ARM: OMAP3: control: add API for setting up the modem pads
This patch moves the functionality from PM core to control driver.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
| -rw-r--r-- | arch/arm/mach-omap2/control.c | 26 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/control.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 15 |
3 files changed, 28 insertions, 14 deletions
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index 83080949d0d3..f432ffc0deb2 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -569,4 +569,30 @@ void omap3_ctrl_set_iva_bootmode_idle(void) omap_ctrl_writel(OMAP3_IVA2_BOOTMOD_IDLE, OMAP343X_CONTROL_IVA2_BOOTMOD); } + +/** + * omap3_ctrl_setup_d2d_padconf - setup stacked modem pads for idle + * + * Sets up the pads controlling the stacked modem in such way that the + * device can enter idle. + */ +void omap3_ctrl_setup_d2d_padconf(void) +{ + u16 mask, padconf; + + /* + * In a stand alone OMAP3430 where there is not a stacked + * modem for the D2D Idle Ack and D2D MStandby must be pulled + * high. S CONTROL_PADCONF_SAD2D_IDLEACK and + * CONTROL_PADCONF_SAD2D_MSTDBY to have a pull up. + */ + mask = (1 << 4) | (1 << 3); /* pull-up, enabled */ + padconf = omap_ctrl_readw(OMAP3_PADCONF_SAD2D_MSTANDBY); + padconf |= mask; + omap_ctrl_writew(padconf, OMAP3_PADCONF_SAD2D_MSTANDBY); + + padconf = omap_ctrl_readw(OMAP3_PADCONF_SAD2D_IDLEACK); + padconf |= mask; + omap_ctrl_writew(padconf, OMAP3_PADCONF_SAD2D_IDLEACK); +} #endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */ diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h index da054801b114..fc001587ebf5 100644 --- a/arch/arm/mach-omap2/control.h +++ b/arch/arm/mach-omap2/control.h @@ -428,6 +428,7 @@ extern void omap_ctrl_write_dsp_boot_mode(u8 bootmode); extern void omap3630_ctrl_disable_rta(void); extern int omap3_ctrl_save_padconf(void); extern void omap3_ctrl_set_iva_bootmode_idle(void); +void omap3_ctrl_setup_d2d_padconf(void); extern void omap2_set_globals_control(void __iomem *ctrl, void __iomem *ctrl_pad); #else diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 3ea04ac10d16..126f3ec2d174 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -355,20 +355,7 @@ restore: static void __init omap3_d2d_idle(void) { - u16 mask, padconf; - - /* In a stand alone OMAP3430 where there is not a stacked - * modem for the D2D Idle Ack and D2D MStandby must be pulled - * high. S CONTROL_PADCONF_SAD2D_IDLEACK and - * CONTROL_PADCONF_SAD2D_MSTDBY to have a pull up. */ - mask = (1 << 4) | (1 << 3); /* pull-up, enabled */ - padconf = omap_ctrl_readw(OMAP3_PADCONF_SAD2D_MSTANDBY); - padconf |= mask; - omap_ctrl_writew(padconf, OMAP3_PADCONF_SAD2D_MSTANDBY); - - padconf = omap_ctrl_readw(OMAP3_PADCONF_SAD2D_IDLEACK); - padconf |= mask; - omap_ctrl_writew(padconf, OMAP3_PADCONF_SAD2D_IDLEACK); + omap3_ctrl_setup_d2d_padconf(); /* reset modem */ omap3_prm_reset_modem(); |