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>
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@ -371,10 +371,7 @@ static void __init omap3_d2d_idle(void)
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omap_ctrl_writew(padconf, OMAP3_PADCONF_SAD2D_IDLEACK);
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/* reset modem */
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omap2_prm_write_mod_reg(OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RSTPWRON_MASK |
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OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RST_MASK,
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CORE_MOD, OMAP2_RM_RSTCTRL);
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omap2_prm_write_mod_reg(0, CORE_MOD, OMAP2_RM_RSTCTRL);
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omap3_prm_reset_modem();
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}
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static void __init prcm_setup_regs(void)
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@ -259,6 +259,21 @@ int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits)
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return c;
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}
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/**
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* omap3_prm_reset_modem - toggle reset signal for modem
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*
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* Toggles the reset signal to modem IP block. Required to allow
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* OMAP3430 without stacked modem to idle properly.
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*/
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void __init omap3_prm_reset_modem(void)
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{
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omap2_prm_write_mod_reg(
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OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RSTPWRON_MASK |
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OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RST_MASK,
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CORE_MOD, OMAP2_RM_RSTCTRL);
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omap2_prm_write_mod_reg(0, CORE_MOD, OMAP2_RM_RSTCTRL);
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}
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/**
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* omap3xxx_prm_reconfigure_io_chain - clear latches and reconfigure I/O chain
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*
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@ -164,6 +164,7 @@ extern int __init omap3xxx_prm_init(void);
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extern u32 omap3xxx_prm_get_reset_sources(void);
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int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits);
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void omap3xxx_prm_iva_idle(void);
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void omap3_prm_reset_modem(void);
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#endif /* __ASSEMBLER */
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