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https://github.com/edk2-porting/linux-next.git
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d1b6886502
Instead of writing to the timer controller registers by dereferencing a pointer to the memory location, properly remap the memory region with a call to ioremap_nocache() and access the registers using writel(). Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Tested-by: Qin Rui <qinrui@mprc.pku.edu.cn>
91 lines
1.7 KiB
C
91 lines
1.7 KiB
C
/*
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* PKUnity Operating System Timer (OST) Registers
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*/
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/*
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* Match Reg 0 OST_OSMR0
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*/
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#define OST_OSMR0 (PKUNITY_OST_BASE + 0x0000)
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/*
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* Match Reg 1 OST_OSMR1
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*/
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#define OST_OSMR1 (PKUNITY_OST_BASE + 0x0004)
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/*
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* Match Reg 2 OST_OSMR2
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*/
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#define OST_OSMR2 (PKUNITY_OST_BASE + 0x0008)
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/*
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* Match Reg 3 OST_OSMR3
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*/
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#define OST_OSMR3 (PKUNITY_OST_BASE + 0x000C)
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/*
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* Counter Reg OST_OSCR
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*/
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#define OST_OSCR (PKUNITY_OST_BASE + 0x0010)
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/*
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* Status Reg OST_OSSR
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*/
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#define OST_OSSR (PKUNITY_OST_BASE + 0x0014)
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/*
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* Watchdog Enable Reg OST_OWER
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*/
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#define OST_OWER (PKUNITY_OST_BASE + 0x0018)
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/*
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* Interrupt Enable Reg OST_OIER
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*/
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#define OST_OIER (PKUNITY_OST_BASE + 0x001C)
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/*
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* PWM Registers: IO base address: PKUNITY_OST_BASE + 0x80
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* PWCR: Pulse Width Control Reg
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* DCCR: Duty Cycle Control Reg
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* PCR: Period Control Reg
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*/
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#define OST_PWM_PWCR (0x00)
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#define OST_PWM_DCCR (0x04)
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#define OST_PWM_PCR (0x08)
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/*
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* Match detected 0 OST_OSSR_M0
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*/
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#define OST_OSSR_M0 FIELD(1, 1, 0)
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/*
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* Match detected 1 OST_OSSR_M1
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*/
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#define OST_OSSR_M1 FIELD(1, 1, 1)
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/*
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* Match detected 2 OST_OSSR_M2
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*/
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#define OST_OSSR_M2 FIELD(1, 1, 2)
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/*
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* Match detected 3 OST_OSSR_M3
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*/
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#define OST_OSSR_M3 FIELD(1, 1, 3)
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/*
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* Interrupt enable 0 OST_OIER_E0
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*/
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#define OST_OIER_E0 FIELD(1, 1, 0)
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/*
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* Interrupt enable 1 OST_OIER_E1
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*/
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#define OST_OIER_E1 FIELD(1, 1, 1)
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/*
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* Interrupt enable 2 OST_OIER_E2
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*/
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#define OST_OIER_E2 FIELD(1, 1, 2)
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/*
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* Interrupt enable 3 OST_OIER_E3
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*/
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#define OST_OIER_E3 FIELD(1, 1, 3)
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/*
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* Watchdog Match Enable OST_OWER_WME
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*/
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#define OST_OWER_WME FIELD(1, 1, 0)
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/*
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* PWM Full Duty Cycle OST_PWMDCCR_FDCYCLE
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*/
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#define OST_PWMDCCR_FDCYCLE FIELD(1, 1, 10)
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