ARM: OMAP3: PRM: move modem reset to PRM driver
This is a more proper isolation of the code. Done in preparation of making
PRM an individual driver.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 6d02573..acb895d 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -371,10 +371,7 @@
omap_ctrl_writew(padconf, OMAP3_PADCONF_SAD2D_IDLEACK);
/* reset modem */
- 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);
+ omap3_prm_reset_modem();
}
static void __init prcm_setup_regs(void)
diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c
index a575b69..e46ff71 100644
--- a/arch/arm/mach-omap2/prm3xxx.c
+++ b/arch/arm/mach-omap2/prm3xxx.c
@@ -260,6 +260,21 @@
}
/**
+ * 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
diff --git a/arch/arm/mach-omap2/prm3xxx.h b/arch/arm/mach-omap2/prm3xxx.h
index 007ff59..21eb1d5 100644
--- a/arch/arm/mach-omap2/prm3xxx.h
+++ b/arch/arm/mach-omap2/prm3xxx.h
@@ -164,6 +164,7 @@
extern u32 omap3xxx_prm_get_reset_sources(void);
int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits);
void omap3xxx_prm_iva_idle(void);
+void omap3_prm_reset_modem(void);
#endif /* __ASSEMBLER */