projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 55bdd694 CM |
2 | /* |
| 3 | * Common defines for v7m cpus | |
| 4 | */ | |
| 5 | #define V7M_SCS_ICTR IOMEM(0xe000e004) | |
| 6 | #define V7M_SCS_ICTR_INTLINESNUM_MASK 0x0000000f | |
| 7 | ||
| 8 | #define BASEADDR_V7M_SCB IOMEM(0xe000ed00) | |
| 9 | ||
| 10 | #define V7M_SCB_CPUID 0x00 | |
| 11 | ||
| 12 | #define V7M_SCB_ICSR 0x04 | |
| 13 | #define V7M_SCB_ICSR_PENDSVSET (1 << 28) | |
| 14 | #define V7M_SCB_ICSR_PENDSVCLR (1 << 27) | |
| 15 | #define V7M_SCB_ICSR_RETTOBASE (1 << 11) | |
| 16 | ||
| 17 | #define V7M_SCB_VTOR 0x08 | |
| 18 | ||
| 6a7d2c62 UKK |
19 | #define V7M_SCB_AIRCR 0x0c |
| 20 | #define V7M_SCB_AIRCR_VECTKEY (0x05fa << 16) | |
| 21 | #define V7M_SCB_AIRCR_SYSRESETREQ (1 << 2) | |
| 22 | ||
| 55bdd694 CM |
23 | #define V7M_SCB_SCR 0x10 |
| 24 | #define V7M_SCB_SCR_SLEEPDEEP (1 << 2) | |
| 25 | ||
| 26 | #define V7M_SCB_CCR 0x14 | |
| 27 | #define V7M_SCB_CCR_STKALIGN (1 << 9) | |
| 296909ee JA |
28 | #define V7M_SCB_CCR_DC (1 << 16) |
| 29 | #define V7M_SCB_CCR_IC (1 << 17) | |
| 30 | #define V7M_SCB_CCR_BP (1 << 18) | |
| 55bdd694 CM |
31 | |
| 32 | #define V7M_SCB_SHPR2 0x1c | |
| 33 | #define V7M_SCB_SHPR3 0x20 | |
| 34 | ||
| 35 | #define V7M_SCB_SHCSR 0x24 | |
| 36 | #define V7M_SCB_SHCSR_USGFAULTENA (1 << 18) | |
| 37 | #define V7M_SCB_SHCSR_BUSFAULTENA (1 << 17) | |
| 38 | #define V7M_SCB_SHCSR_MEMFAULTENA (1 << 16) | |
| 39 | ||
| 40 | #define V7M_xPSR_FRAMEPTRALIGN 0x00000200 | |
| 41 | #define V7M_xPSR_EXCEPTIONNO 0x000001ff | |
| 42 | ||
| 43 | /* | |
| 44 | * When branching to an address that has bits [31:28] == 0xf an exception return | |
| 45 | * occurs. Bits [27:5] are reserved (SBOP). If the processor implements the FP | |
| 46 | * extension Bit [4] defines if the exception frame has space allocated for FP | |
| 47 | * state information, SBOP otherwise. Bit [3] defines the mode that is returned | |
| 48 | * to (0 -> handler mode; 1 -> thread mode). Bit [2] defines which sp is used | |
| 49 | * (0 -> msp; 1 -> psp). Bits [1:0] are fixed to 0b01. | |
| 50 | */ | |
| 51 | #define EXC_RET_STACK_MASK 0x00000004 | |
| 52 | #define EXC_RET_THREADMODE_PROCESSSTACK 0xfffffffd | |
| 6a7d2c62 | 53 | |
| 296909ee JA |
54 | /* Cache related definitions */ |
| 55 | ||
| 56 | #define V7M_SCB_CLIDR 0x78 /* Cache Level ID register */ | |
| 57 | #define V7M_SCB_CTR 0x7c /* Cache Type register */ | |
| 58 | #define V7M_SCB_CCSIDR 0x80 /* Cache size ID register */ | |
| 59 | #define V7M_SCB_CSSELR 0x84 /* Cache size selection register */ | |
| 60 | ||
| 61 | /* Cache opeartions */ | |
| 62 | #define V7M_SCB_ICIALLU 0x250 /* I-cache invalidate all to PoU */ | |
| 63 | #define V7M_SCB_ICIMVAU 0x258 /* I-cache invalidate by MVA to PoU */ | |
| 64 | #define V7M_SCB_DCIMVAC 0x25c /* D-cache invalidate by MVA to PoC */ | |
| 65 | #define V7M_SCB_DCISW 0x260 /* D-cache invalidate by set-way */ | |
| 66 | #define V7M_SCB_DCCMVAU 0x264 /* D-cache clean by MVA to PoU */ | |
| 67 | #define V7M_SCB_DCCMVAC 0x268 /* D-cache clean by MVA to PoC */ | |
| 68 | #define V7M_SCB_DCCSW 0x26c /* D-cache clean by set-way */ | |
| 69 | #define V7M_SCB_DCCIMVAC 0x270 /* D-cache clean and invalidate by MVA to PoC */ | |
| 70 | #define V7M_SCB_DCCISW 0x274 /* D-cache clean and invalidate by set-way */ | |
| 71 | #define V7M_SCB_BPIALL 0x278 /* D-cache clean and invalidate by set-way */ | |
| 72 | ||
| 6a7d2c62 UKK |
73 | #ifndef __ASSEMBLY__ |
| 74 | ||
| 75 | enum reboot_mode; | |
| 76 | ||
| 77 | void armv7m_restart(enum reboot_mode mode, const char *cmd); | |
| 78 | ||
| 79 | #endif /* __ASSEMBLY__ */ |