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ARM: OMAP3+: am33xx id: Add new am33xx specific function to check dev_feature
Layout of DEV_FEATURE register (offset = 0x604) is different between TI81xx and AM33xx device, so create separate function which will check for features available on specific AM33xx SoC and set the flags accordingly. Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Reviewed-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
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@ -366,6 +366,10 @@
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#define AM33XX_PWMSS1_TBCLKEN_SHIFT 1
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#define AM33XX_PWMSS2_TBCLKEN_SHIFT 2
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/* DEV Feature register to identify AM33XX features */
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#define AM33XX_DEV_FEATURE 0x604
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#define AM33XX_SGX_MASK BIT(29)
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/* CONTROL OMAP STATUS register to identify OMAP3 features */
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#define OMAP3_CONTROL_OMAP_STATUS 0x044c
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@ -304,6 +304,19 @@ void __init ti81xx_check_features(void)
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omap3_cpuinfo();
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}
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void __init am33xx_check_features(void)
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{
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u32 status;
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omap_features = OMAP3_HAS_NEON;
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status = omap_ctrl_readl(AM33XX_DEV_FEATURE);
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if (status & AM33XX_SGX_MASK)
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omap_features |= OMAP3_HAS_SGX;
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omap3_cpuinfo();
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}
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void __init omap3xxx_check_revision(void)
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{
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const char *cpu_rev;
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@ -576,7 +576,7 @@ void __init am33xx_init_early(void)
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omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE));
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omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), NULL);
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omap3xxx_check_revision();
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ti81xx_check_features();
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am33xx_check_features();
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am33xx_voltagedomains_init();
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am33xx_powerdomains_init();
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am33xx_clockdomains_init();
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@ -449,6 +449,7 @@ void omap4xxx_check_revision(void);
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void omap5xxx_check_revision(void);
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void omap3xxx_check_features(void);
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void ti81xx_check_features(void);
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void am33xx_check_features(void);
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void omap4xxx_check_features(void);
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/*
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