diff options
Diffstat (limited to 'global.h')
| -rw-r--r-- | global.h | 40 |
1 files changed, 32 insertions, 8 deletions
@@ -4,14 +4,38 @@ // board type, raspi2 #define RASPI 2 +// conditionally #define PERIF_BASE #if RASPI == 4 -#define GPIO_BASE 0xFE200000 -#else -#if RASPI == 3 || RASPI == 2 -#define GPIO_BASE 0x3F200000 -#else -#define GPIO_BASE 0x20200000 -#endif // RASPI == 3 || RASPI == 2 -#endif // RASPI == 4 + +#define PERIF_BASE 0xFE000000 + +#elif RASPI == 3 || RASPI == 2 + +#define PERIF_BASE 0x3F000000 + +#else // if RASPI == 1 + +#define PERIF_BASE 0x20000000 + +#endif + +// GPIO_BASE is #define'd in terms of PERIF_BASE +// (as in sane kernels - like linux, not like in wiki.osdev codes...) +#define GPIO_BASE (PERIF_BASE + 0x200000) + +// ARM control block +// called "base address for the ARM interrupt register" elsewhere +#define ARM_BASE (PERIF_BASE + 0xB000) + +#define ARM_IRQ_BASIC_PENDING (ARM_BASE + 0x200) +#define ARM_IRQ_PENDING_1 (ARM_BASE + 0x204) +#define ARM_IRQ_PENDING_2 (ARM_BASE + 0x208) +#define ARM_FIQ_CONTROL (ARM_BASE + 0x20C) +#define ARM_ENABLE_IRQS_1 (ARM_BASE + 0x210) +#define ARM_ENABLE_IRQS_2 (ARM_BASE + 0x214) +#define ARM_ENABLE_BASIC_IRQS (ARM_BASE + 0x218) +#define ARM_DISABLE_IRQS_1 (ARM_BASE + 0x21C) +#define ARM_DISABLE_IRQS_2 (ARM_BASE + 0x220) +#define ARM_DISABLE_BASIC_IRQS (ARM_BASE + 0x224) #endif // GLOBAL_H |