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ARM: OMAP4+: move errata initialization to omap4_pm_init_early
Move all OMAP4 PM errata initializations to centralized location in omap4_pm_init_early. This allows for users to utilize the erratas in various submodules as needed. Reported-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
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74ed7bdcb4
commit
de70af494c
4 changed files with 23 additions and 5 deletions
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@ -62,11 +62,17 @@ static inline int omap3_pm_init(void)
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#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4)
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#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4)
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int omap4_pm_init(void);
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int omap4_pm_init(void);
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int omap4_pm_init_early(void);
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#else
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#else
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static inline int omap4_pm_init(void)
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static inline int omap4_pm_init(void)
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{
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{
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return 0;
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return 0;
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}
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}
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static inline int omap4_pm_init_early(void)
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{
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return 0;
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}
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#endif
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#endif
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#ifdef CONFIG_OMAP_MUX
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#ifdef CONFIG_OMAP_MUX
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@ -641,6 +641,7 @@ void __init omap4430_init_early(void)
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omap_cm_base_init();
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omap_cm_base_init();
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omap4xxx_check_revision();
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omap4xxx_check_revision();
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omap4xxx_check_features();
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omap4xxx_check_features();
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omap4_pm_init_early();
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omap44xx_prm_init();
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omap44xx_prm_init();
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omap44xx_voltagedomains_init();
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omap44xx_voltagedomains_init();
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omap44xx_powerdomains_init();
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omap44xx_powerdomains_init();
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@ -39,8 +39,6 @@
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#define OMAP5_CORE_COUNT 0x2
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#define OMAP5_CORE_COUNT 0x2
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u16 pm44xx_errata;
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/* SCU base address */
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/* SCU base address */
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static void __iomem *scu_base;
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static void __iomem *scu_base;
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@ -217,10 +215,8 @@ static void __init omap4_smp_prepare_cpus(unsigned int max_cpus)
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if (scu_base)
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if (scu_base)
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scu_enable(scu_base);
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scu_enable(scu_base);
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if (cpu_is_omap446x()) {
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if (cpu_is_omap446x())
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startup_addr = omap4460_secondary_startup;
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startup_addr = omap4460_secondary_startup;
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pm44xx_errata |= PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD;
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}
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/*
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/*
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* Write the address of secondary startup routine into the
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* Write the address of secondary startup routine into the
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@ -24,6 +24,8 @@
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#include "powerdomain.h"
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#include "powerdomain.h"
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#include "pm.h"
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#include "pm.h"
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u16 pm44xx_errata;
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struct power_state {
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struct power_state {
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struct powerdomain *pwrdm;
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struct powerdomain *pwrdm;
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u32 next_state;
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u32 next_state;
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@ -198,6 +200,19 @@ static inline int omap4_init_static_deps(void)
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return ret;
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return ret;
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}
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}
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/**
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* omap4_pm_init_early - Does early initialization necessary for OMAP4+ devices
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*
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* Initializes basic stuff for power management functionality.
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*/
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int __init omap4_pm_init_early(void)
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{
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if (cpu_is_omap446x())
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pm44xx_errata |= PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD;
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return 0;
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}
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/**
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/**
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* omap4_pm_init - Init routine for OMAP4+ devices
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* omap4_pm_init - Init routine for OMAP4+ devices
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*
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*
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