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Commit | Line | Data |
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55bdd694 CM |
1 | /* |
2 | * Common defines for v7m cpus | |
3 | */ | |
4 | #define V7M_SCS_ICTR IOMEM(0xe000e004) | |
5 | #define V7M_SCS_ICTR_INTLINESNUM_MASK 0x0000000f | |
6 | ||
7 | #define BASEADDR_V7M_SCB IOMEM(0xe000ed00) | |
8 | ||
9 | #define V7M_SCB_CPUID 0x00 | |
10 | ||
11 | #define V7M_SCB_ICSR 0x04 | |
12 | #define V7M_SCB_ICSR_PENDSVSET (1 << 28) | |
13 | #define V7M_SCB_ICSR_PENDSVCLR (1 << 27) | |
14 | #define V7M_SCB_ICSR_RETTOBASE (1 << 11) | |
15 | ||
16 | #define V7M_SCB_VTOR 0x08 | |
17 | ||
6a7d2c62 UKK |
18 | #define V7M_SCB_AIRCR 0x0c |
19 | #define V7M_SCB_AIRCR_VECTKEY (0x05fa << 16) | |
20 | #define V7M_SCB_AIRCR_SYSRESETREQ (1 << 2) | |
21 | ||
55bdd694 CM |
22 | #define V7M_SCB_SCR 0x10 |
23 | #define V7M_SCB_SCR_SLEEPDEEP (1 << 2) | |
24 | ||
25 | #define V7M_SCB_CCR 0x14 | |
26 | #define V7M_SCB_CCR_STKALIGN (1 << 9) | |
27 | ||
28 | #define V7M_SCB_SHPR2 0x1c | |
29 | #define V7M_SCB_SHPR3 0x20 | |
30 | ||
31 | #define V7M_SCB_SHCSR 0x24 | |
32 | #define V7M_SCB_SHCSR_USGFAULTENA (1 << 18) | |
33 | #define V7M_SCB_SHCSR_BUSFAULTENA (1 << 17) | |
34 | #define V7M_SCB_SHCSR_MEMFAULTENA (1 << 16) | |
35 | ||
36 | #define V7M_xPSR_FRAMEPTRALIGN 0x00000200 | |
37 | #define V7M_xPSR_EXCEPTIONNO 0x000001ff | |
38 | ||
39 | /* | |
40 | * When branching to an address that has bits [31:28] == 0xf an exception return | |
41 | * occurs. Bits [27:5] are reserved (SBOP). If the processor implements the FP | |
42 | * extension Bit [4] defines if the exception frame has space allocated for FP | |
43 | * state information, SBOP otherwise. Bit [3] defines the mode that is returned | |
44 | * to (0 -> handler mode; 1 -> thread mode). Bit [2] defines which sp is used | |
45 | * (0 -> msp; 1 -> psp). Bits [1:0] are fixed to 0b01. | |
46 | */ | |
47 | #define EXC_RET_STACK_MASK 0x00000004 | |
48 | #define EXC_RET_THREADMODE_PROCESSSTACK 0xfffffffd | |
6a7d2c62 UKK |
49 | |
50 | #ifndef __ASSEMBLY__ | |
51 | ||
52 | enum reboot_mode; | |
53 | ||
54 | void armv7m_restart(enum reboot_mode mode, const char *cmd); | |
55 | ||
56 | #endif /* __ASSEMBLY__ */ |