/* * Common defines for v7m cpus */ #define V7M_SCS_ICTR IOMEM(0xe000e004) #define V7M_SCS_ICTR_INTLINESNUM_MASK 0x0000000f #define BASEADDR_V7M_SCB IOMEM(0xe000ed00) #define V7M_SCB_CPUID 0x00 #define V7M_SCB_ICSR 0x04 #define V7M_SCB_ICSR_PENDSVSET (1 << 28) #define V7M_SCB_ICSR_PENDSVCLR (1 << 27) #define V7M_SCB_ICSR_RETTOBASE (1 << 11) #define V7M_SCB_VTOR 0x08 #define V7M_SCB_AIRCR 0x0c #define V7M_SCB_AIRCR_VECTKEY (0x05fa << 16) #define V7M_SCB_AIRCR_SYSRESETREQ (1 << 2) #define V7M_SCB_SCR 0x10 #define V7M_SCB_SCR_SLEEPDEEP (1 << 2) #define V7M_SCB_CCR 0x14 #define V7M_SCB_CCR_STKALIGN (1 << 9) #define V7M_SCB_CCR_DC (1 << 16) #define V7M_SCB_CCR_IC (1 << 17) #define V7M_SCB_CCR_BP (1 << 18) #define V7M_SCB_SHPR2 0x1c #define V7M_SCB_SHPR3 0x20 #define V7M_SCB_SHCSR 0x24 #define V7M_SCB_SHCSR_USGFAULTENA (1 << 18) #define V7M_SCB_SHCSR_BUSFAULTENA (1 << 17) #define V7M_SCB_SHCSR_MEMFAULTENA (1 << 16) #define V7M_xPSR_FRAMEPTRALIGN 0x00000200 #define V7M_xPSR_EXCEPTIONNO 0x000001ff /* * When branching to an address that has bits [31:28] == 0xf an exception return * occurs. Bits [27:5] are reserved (SBOP). If the processor implements the FP * extension Bit [4] defines if the exception frame has space allocated for FP * state information, SBOP otherwise. Bit [3] defines the mode that is returned * to (0 -> handler mode; 1 -> thread mode). Bit [2] defines which sp is used * (0 -> msp; 1 -> psp). Bits [1:0] are fixed to 0b01. */ #define EXC_RET_STACK_MASK 0x00000004 #define EXC_RET_THREADMODE_PROCESSSTACK 0xfffffffd /* Cache related definitions */ #define V7M_SCB_CLIDR 0x78 /* Cache Level ID register */ #define V7M_SCB_CTR 0x7c /* Cache Type register */ #define V7M_SCB_CCSIDR 0x80 /* Cache size ID register */ #define V7M_SCB_CSSELR 0x84 /* Cache size selection register */ /* Cache opeartions */ #define V7M_SCB_ICIALLU 0x250 /* I-cache invalidate all to PoU */ #define V7M_SCB_ICIMVAU 0x258 /* I-cache invalidate by MVA to PoU */ #define V7M_SCB_DCIMVAC 0x25c /* D-cache invalidate by MVA to PoC */ #define V7M_SCB_DCISW 0x260 /* D-cache invalidate by set-way */ #define V7M_SCB_DCCMVAU 0x264 /* D-cache clean by MVA to PoU */ #define V7M_SCB_DCCMVAC 0x268 /* D-cache clean by MVA to PoC */ #define V7M_SCB_DCCSW 0x26c /* D-cache clean by set-way */ #define V7M_SCB_DCCIMVAC 0x270 /* D-cache clean and invalidate by MVA to PoC */ #define V7M_SCB_DCCISW 0x274 /* D-cache clean and invalidate by set-way */ #define V7M_SCB_BPIALL 0x278 /* D-cache clean and invalidate by set-way */ #ifndef __ASSEMBLY__ enum reboot_mode; void armv7m_restart(enum reboot_mode mode, const char *cmd); #endif /* __ASSEMBLY__ */