diff options
Diffstat (limited to 'arch/arm/mach-omap2/prm3xxx.c')
| -rw-r--r-- | arch/arm/mach-omap2/prm3xxx.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c index a575b6964bf9..e46ff7184c9d 100644 --- a/arch/arm/mach-omap2/prm3xxx.c +++ b/arch/arm/mach-omap2/prm3xxx.c @@ -260,6 +260,21 @@ int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits) } /** + * omap3_prm_reset_modem - toggle reset signal for modem + * + * Toggles the reset signal to modem IP block. Required to allow + * OMAP3430 without stacked modem to idle properly. + */ +void __init omap3_prm_reset_modem(void) +{ + omap2_prm_write_mod_reg( + OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RSTPWRON_MASK | + OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RST_MASK, + CORE_MOD, OMAP2_RM_RSTCTRL); + omap2_prm_write_mod_reg(0, CORE_MOD, OMAP2_RM_RSTCTRL); +} + +/** * omap3xxx_prm_reconfigure_io_chain - clear latches and reconfigure I/O chain * * Clear any previously-latched I/O wakeup events and ensure that the |