memctl.c File Reference

#include <libopencm3/pac55xx/memctl.h>

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Functions
void	memctl_flash_set_wstate (uint32_t wstate)
	PAC55xxxx Memory Controller Driver More...
void	memctl_flash_set_mclkdiv (uint32_t div)
	Set the MCLK divisor. More...
void	memctl_flash_reset_write_buffer (void)
	Set WRITEWORDCOUNT to 0 to reset the Flash write data buffer. More...
void	memctl_flash_standby_mode_enable (void)
	Enable Flash Standby Mode. More...
void	memctl_flash_standby_mode_disable (void)
	Disable Flash Standby Mode. More...
void	memctl_flash_cache_enable (void)
	Enable Flash cache. More...
void	memctl_flash_cache_disable (void)
	Disable Flash cache. More...
void	memctl_flash_select_roscclk (void)
	Select ROSCCLK as input to Flash Memory Controller. More...
void	memctl_flash_select_mclk (void)
	Select MCLK as input to Flash Memory Controller. More...
void	memctl_sram_ecc_enable (void)
	Enable SRAM ECC. More...
void	memctl_sram_ecc_disable (void)
	Disable SRAM ECC. More...
void	memctl_sram_ecc_single_bit_interrupt_enable (void)
	Enable SRAM ECC Single Bit Detection Interrupt. More...
void	memctl_sram_ecc_single_bit_interrupt_disable (void)
	Disable SRAM ECC Single Bit Detection Interrupt. More...
void	memctl_sram_ecc_dual_bit_interrupt_enable (void)
	Enable SRAM ECC Dual Bit Detection Interrupt. More...
void	memctl_sram_ecc_dual_bit_interrupt_disable (void)
	Disable SRAM ECC Dual Bit Detection Interrupt. More...
void	memctl_invaddr_interrupt_enable (void)
	Enable Invalid Memory Access Interrupt. More...
void	memctl_invaddr_interrupt_disable (void)
	Disable Invalid Memory Access Interrupt. More...

Function Documentation

memctl_flash_cache_disable()

void memctl_flash_cache_disable

(

void

)

Disable Flash cache.

Definition at line 46 of file memctl.c.

References MEMCTL_MEMCTLR, and MEMCTL_MEMCTLR_CACHEDIS.

Referenced by ccs_configure_clocks().

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memctl_flash_cache_enable()

void memctl_flash_cache_enable

(

void

)

Enable Flash cache.

Definition at line 43 of file memctl.c.

References MEMCTL_MEMCTLR.

Referenced by ccs_configure_clocks().

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memctl_flash_reset_write_buffer()

void memctl_flash_reset_write_buffer

(

void

)

Set WRITEWORDCOUNT to 0 to reset the Flash write data buffer.

Definition at line 34 of file memctl.c.

References MEMCTL_MEMCTLR, and MEMCTL_MEMCTLR_WRITEWORDCNT_MASK.

memctl_flash_select_mclk()

void memctl_flash_select_mclk

(

void

)

Select MCLK as input to Flash Memory Controller.

Definition at line 52 of file memctl.c.

References MEMCTL_MEMCTLR, and MEMCTL_MEMCTLR_MCLKSEL.

Referenced by ccs_configure_clocks().

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memctl_flash_select_roscclk()

void memctl_flash_select_roscclk

(

void

)

Select ROSCCLK as input to Flash Memory Controller.

Definition at line 49 of file memctl.c.

References MEMCTL_MEMCTLR.

Referenced by ccs_configure_clocks().

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memctl_flash_set_mclkdiv()

void memctl_flash_set_mclkdiv

(

uint32_t

div

)

Set the MCLK divisor.

Parameters

[in]

div

HCLK to MCLK divisor: 1-16

Definition at line 31 of file memctl.c.

References MEMCTL_MEMCTLR, and MEMCTL_MEMCTLR_MCLKDIV.

Referenced by ccs_configure_clocks().

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memctl_flash_set_wstate()

void memctl_flash_set_wstate

(

uint32_t

wstate

)

PAC55xxxx Memory Controller Driver

Set the number of wait states for Flash reads.

Author

© 2020 Kevin Stefanik kevin.nosp@m.@all.nosp@m.ocor..nosp@m.tech

Date

April 1, 2020

This library supports the Memory Controller in the PAC55xx SoC from Qorvo.

LGPL License Terms libopencm3 License

Definition at line 28 of file memctl.c.

References MEMCTL_MEMCTLR, MEMCTL_MEMCTLR_WSTATE, and MEMCTL_MEMCTLR_WSTATE_MASK.

Referenced by ccs_configure_clocks().

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memctl_flash_standby_mode_disable()

void memctl_flash_standby_mode_disable

(

void

)

Disable Flash Standby Mode.

Definition at line 40 of file memctl.c.

References MEMCTL_MEMCTLR.

memctl_flash_standby_mode_enable()

void memctl_flash_standby_mode_enable

(

void

)

Enable Flash Standby Mode.

Definition at line 37 of file memctl.c.

References MEMCTL_MEMCTLR, and MEMCTL_MEMCTLR_STBY.

memctl_invaddr_interrupt_disable()

void memctl_invaddr_interrupt_disable

(

void

)

Disable Invalid Memory Access Interrupt.

Definition at line 76 of file memctl.c.

References MEMCTL_MEMCTLR.

memctl_invaddr_interrupt_enable()

void memctl_invaddr_interrupt_enable

(

void

)

Enable Invalid Memory Access Interrupt.

Definition at line 73 of file memctl.c.

References MEMCTL_MEMCTLR, and MEMCTL_MEMCTLR_INVADDRIE.

memctl_sram_ecc_disable()

void memctl_sram_ecc_disable

(

void

)

Disable SRAM ECC.

Definition at line 58 of file memctl.c.

References MEMCTL_MEMCTLR, and MEMCTL_MEMCTLR_ECCDIS.

memctl_sram_ecc_dual_bit_interrupt_disable()

void memctl_sram_ecc_dual_bit_interrupt_disable

(

void

)

Disable SRAM ECC Dual Bit Detection Interrupt.

Definition at line 70 of file memctl.c.

References MEMCTL_MEMCTLR.

memctl_sram_ecc_dual_bit_interrupt_enable()

void memctl_sram_ecc_dual_bit_interrupt_enable

(

void

)

Enable SRAM ECC Dual Bit Detection Interrupt.

Definition at line 67 of file memctl.c.

References MEMCTL_MEMCTLR, and MEMCTL_MEMCTLR_DEIE.

memctl_sram_ecc_enable()

void memctl_sram_ecc_enable

(

void

)

Enable SRAM ECC.

Definition at line 55 of file memctl.c.

References MEMCTL_MEMCTLR.

memctl_sram_ecc_single_bit_interrupt_disable()

void memctl_sram_ecc_single_bit_interrupt_disable

(

void

)

Disable SRAM ECC Single Bit Detection Interrupt.

Definition at line 64 of file memctl.c.

References MEMCTL_MEMCTLR.

memctl_sram_ecc_single_bit_interrupt_enable()

void memctl_sram_ecc_single_bit_interrupt_enable

(

void

)

Enable SRAM ECC Single Bit Detection Interrupt.

Definition at line 61 of file memctl.c.

References MEMCTL_MEMCTLR, and MEMCTL_MEMCTLR_SEIE.