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) | |
296909ee JA |
27 | #define V7M_SCB_CCR_DC (1 << 16) |
28 | #define V7M_SCB_CCR_IC (1 << 17) | |
29 | #define V7M_SCB_CCR_BP (1 << 18) | |
55bdd694 CM |
30 | |
31 | #define V7M_SCB_SHPR2 0x1c | |
32 | #define V7M_SCB_SHPR3 0x20 | |
33 | ||
34 | #define V7M_SCB_SHCSR 0x24 | |
35 | #define V7M_SCB_SHCSR_USGFAULTENA (1 << 18) | |
36 | #define V7M_SCB_SHCSR_BUSFAULTENA (1 << 17) | |
37 | #define V7M_SCB_SHCSR_MEMFAULTENA (1 << 16) | |
38 | ||
39 | #define V7M_xPSR_FRAMEPTRALIGN 0x00000200 | |
40 | #define V7M_xPSR_EXCEPTIONNO 0x000001ff | |
41 | ||
42 | /* | |
43 | * When branching to an address that has bits [31:28] == 0xf an exception return | |
44 | * occurs. Bits [27:5] are reserved (SBOP). If the processor implements the FP | |
45 | * extension Bit [4] defines if the exception frame has space allocated for FP | |
46 | * state information, SBOP otherwise. Bit [3] defines the mode that is returned | |
47 | * to (0 -> handler mode; 1 -> thread mode). Bit [2] defines which sp is used | |
48 | * (0 -> msp; 1 -> psp). Bits [1:0] are fixed to 0b01. | |
49 | */ | |
50 | #define EXC_RET_STACK_MASK 0x00000004 | |
51 | #define EXC_RET_THREADMODE_PROCESSSTACK 0xfffffffd | |
6a7d2c62 | 52 | |
296909ee JA |
53 | /* Cache related definitions */ |
54 | ||
55 | #define V7M_SCB_CLIDR 0x78 /* Cache Level ID register */ | |
56 | #define V7M_SCB_CTR 0x7c /* Cache Type register */ | |
57 | #define V7M_SCB_CCSIDR 0x80 /* Cache size ID register */ | |
58 | #define V7M_SCB_CSSELR 0x84 /* Cache size selection register */ | |
59 | ||
60 | /* Cache opeartions */ | |
61 | #define V7M_SCB_ICIALLU 0x250 /* I-cache invalidate all to PoU */ | |
62 | #define V7M_SCB_ICIMVAU 0x258 /* I-cache invalidate by MVA to PoU */ | |
63 | #define V7M_SCB_DCIMVAC 0x25c /* D-cache invalidate by MVA to PoC */ | |
64 | #define V7M_SCB_DCISW 0x260 /* D-cache invalidate by set-way */ | |
65 | #define V7M_SCB_DCCMVAU 0x264 /* D-cache clean by MVA to PoU */ | |
66 | #define V7M_SCB_DCCMVAC 0x268 /* D-cache clean by MVA to PoC */ | |
67 | #define V7M_SCB_DCCSW 0x26c /* D-cache clean by set-way */ | |
68 | #define V7M_SCB_DCCIMVAC 0x270 /* D-cache clean and invalidate by MVA to PoC */ | |
69 | #define V7M_SCB_DCCISW 0x274 /* D-cache clean and invalidate by set-way */ | |
70 | #define V7M_SCB_BPIALL 0x278 /* D-cache clean and invalidate by set-way */ | |
71 | ||
6a7d2c62 UKK |
72 | #ifndef __ASSEMBLY__ |
73 | ||
74 | enum reboot_mode; | |
75 | ||
76 | void armv7m_restart(enum reboot_mode mode, const char *cmd); | |
77 | ||
78 | #endif /* __ASSEMBLY__ */ |