85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
#ifndef __HARDWARE_COMMON_H__
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#define __HARDWARE_COMMON_H__
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#include "reg.h"
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#define FW_ADDRESS (64 * 1024)
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#define MAGIC_HEAD (0x64616568) /* ASCII of "head" */
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struct fw_header_s {
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uint32_t magic;
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uint32_t size;
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uint32_t jump_address;
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/* syspll config */
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uint8_t syspll_refdiv; /* must be in 1~63, fref/refdiv must >= 5MHz */
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uint8_t syspll_feedback; /* must be in 16~320, fvco must be in 750MHz~1600MHz */
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uint8_t syspll_postdiv1; /* must be in 1~7 */
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uint8_t syspll_postdiv2; /* must be in 1~7 */
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/* usbpll config */
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uint8_t usbpll_refdiv; /* must be in 1~63, fref/refdiv must >= 5MHz */
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uint8_t usbpll_feedback; /* must be in 16~320, fvco must be in 750MHz~1600MHz */
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uint8_t usbpll_postdiv1; /* must be in 1~7 */
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uint8_t usbpll_postdiv2; /* must be in 1~7 */
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/* system clock div */
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uint32_t sysclk_div; /* 1~2^24-1 is available */
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uint8_t regulator_voltage; /* 5~15 is available, Voltage = 0.05 * regulator_voltage + 0.55V */
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uint8_t resv;
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/* flash config */
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uint16_t flash_div; /* 0 is for disable, 2~65534 is available, must be even value */
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/* checksum */
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uint32_t checksum;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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__attribute__ ((__always_inline__)) static inline void __sev(void) {
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__asm__ volatile ("sev");
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}
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__attribute__ ((__always_inline__)) static inline void __wfe(void) {
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__asm__ volatile ("wfe");
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}
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__attribute__ ((__always_inline__)) static inline void __wfi(void) {
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__asm__ volatile ("wfi");
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}
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__attribute__ ((__always_inline__)) static inline void __dmb(void) {
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__asm__ volatile ("dmb" : : : "memory");
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}
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__attribute__ ((__always_inline__)) static inline void __dsb(void) {
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__asm__ volatile ("dsb" : : : "memory");
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}
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__attribute__ ((__always_inline__)) static inline void __isb(void) {
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__asm__ volatile ("isb");
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}
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__attribute__ ((__always_inline__)) static inline void enable_interrupt(void) {
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__asm__ volatile ("cpsie i");
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}
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__attribute__ ((__always_inline__)) static inline void disable_interrupt(void) {
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__asm__ volatile ("cpsid i");
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}
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__attribute__ ((__always_inline__)) static inline uint32_t save_and_disable_interrupt(void) {
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uint32_t status;
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__asm__ volatile ("mrs %0, PRIMASK" : "=r" (status)::);
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__asm__ volatile ("cpsid i");
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return status;
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}
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__attribute__ ((__always_inline__)) static inline void restore_interrupt(uint32_t status) {
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__asm volatile ("msr PRIMASK, %0"::"r" (status) : );
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* __HARDWARE_COMMON_H__ */
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