diff options
Diffstat (limited to 'target/linux/amazon/files/include/asm-mips/amazon/ifx_peripheral_definitions.h')
| -rw-r--r-- | target/linux/amazon/files/include/asm-mips/amazon/ifx_peripheral_definitions.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/target/linux/amazon/files/include/asm-mips/amazon/ifx_peripheral_definitions.h b/target/linux/amazon/files/include/asm-mips/amazon/ifx_peripheral_definitions.h new file mode 100644 index 000000000..65f14e405 --- /dev/null +++ b/target/linux/amazon/files/include/asm-mips/amazon/ifx_peripheral_definitions.h @@ -0,0 +1,96 @@ +//************************************************************************* +//* Summary of definitions which are used in each peripheral * +//************************************************************************* + +#ifndef peripheral_definitions_h +#define peripheral_definitions_h + +typedef unsigned char UINT8; +typedef signed char INT8; +typedef unsigned short UINT16; +typedef signed short INT16; +typedef unsigned int UINT32; +typedef signed int INT32; +typedef unsigned long long UINT64; +typedef signed long long INT64; + +#define REG8( addr ) (*(volatile UINT8 *) (addr)) +#define REG16( addr ) (*(volatile UINT16 *)(addr)) +#define REG32( addr ) (*(volatile UINT32 *)(addr)) +#define REG64( addr ) (*(volatile UINT64 *)(addr)) + +/* define routine to set FPI access in Supervisor Mode */ +#define IFX_SUPERVISOR_ON() REG32(FB0_CFG) = 0x01 +/* Supervisor mode ends, following functions will be done in User mode */ +#define IFX_SUPERVISOR_OFF() REG32(FB0_CFG) = 0x00 +/* Supervisor mode ends, following functions will be done in User mode */ +#define IFX_SUPERVISOR_MODE() REG32(FB0_CFG) +/* Supervisor mode ends, following functions will be done in User mode */ +#define IFX_SUPERVISOR_SET(svm) REG32(FB0_CFG) = svm +/* enable all Interrupts in IIU */ +//#define IFX_ENABLE_IRQ(irq_mask, im_base) REG32(im_base | IIU_MASK) = irq_mask +///* get all high priority interrupt bits in IIU */ +//#define IFX_GET_IRQ_MASKED(im_base) REG32(im_base | IIU_IRMASKED) +///* signal ends of interrupt to IIU */ +//#define IFX_CLEAR_DIRECT_IRQ(irq_bit, im_base) REG32(im_base | IIU_IR) = irq_bit +///* force IIU interrupt register */ +//#define IFX_FORCE_IIU_REGISTER(data, im_base) REG32(im_base | IIU_IRDEBUG) = data +///* get all bits of interrupt register */ +//#define IFX_GET_IRQ_UNMASKED(im_base) REG32(im_base | IIU_IR) +/* insert a NOP instruction */ +#define NOP _nop() +/* CPU goes to power down mode until interrupt occurs */ +#define IFX_CPU_SLEEP _sleep() +/* enable all interrupts to CPU */ +#define IFX_CPU_ENABLE_ALL_INTERRUPT sys_enable_int() +/* get all low priority interrupt bits in peripheral */ +#define IFX_GET_LOW_PRIO_IRQ(int_reg) REG32(int_reg) +/* clear low priority interrupt bit in peripheral */ +#define IFX_CLEAR_LOW_PRIO_IRQ(irq_bit, int_reg) REG32(int_reg) = irq_bit +/* write FPI bus */ +#define WRITE_FPI_BYTE(data, addr) REG8(addr) = data +#define WRITE_FPI_16BIT(data, addr) REG16(addr) = data +#define WRITE_FPI_32BIT(data, addr) REG32(addr) = data +/* read FPI bus */ +#define READ_FPI_BYTE(addr) REG8(addr) +#define READ_FPI_16BIT(addr) REG16(addr) +#define READ_FPI_32BIT(addr) REG32(addr) +/* write peripheral register */ +#define WRITE_PERIPHERAL_REGISTER(data, addr) REG32(addr) = data + +#ifdef CONFIG_CPU_LITTLE_ENDIAN +#define WRITE_PERIPHERAL_REGISTER_16(data, addr) REG16(addr) = data +#define WRITE_PERIPHERAL_REGISTER_8(data, addr) REG8(addr) = data +#else //not CONFIG_CPU_LITTLE_ENDIAN +#define WRITE_PERIPHERAL_REGISTER_16(data, addr) REG16(addr+2) = data +#define WRITE_PERIPHERAL_REGISTER_8(data, addr) REG8(addr+3) = data +#endif //CONFIG_CPU_LITTLE_ENDIAN + +/* read peripheral register */ +#define READ_PERIPHERAL_REGISTER(addr) REG32(addr) + +/* read/modify(or)/write peripheral register */ +#define RMW_OR_PERIPHERAL_REGISTER(data, addr) REG32(addr) = REG32(addr) | data +/* read/modify(and)/write peripheral register */ +#define RMW_AND_PERIPHERAL_REGISTER(data, addr) REG32(addr) = REG32(addr) & (UINT32)data + +/* CPU-independent mnemonic constants */ +/* CLC register bits */ +#define IFX_CLC_ENABLE 0x00000000 +#define IFX_CLC_DISABLE 0x00000001 +#define IFX_CLC_DISABLE_STATUS 0x00000002 +#define IFX_CLC_SUSPEND_ENABLE 0x00000004 +#define IFX_CLC_CLOCK_OFF_DISABLE 0x00000008 +#define IFX_CLC_OVERWRITE_SPEN_FSOE 0x00000010 +#define IFX_CLC_FAST_CLOCK_SWITCH_OFF 0x00000020 +#define IFX_CLC_RUN_DIVIDER_MASK 0x0000FF00 +#define IFX_CLC_RUN_DIVIDER_OFFSET 8 +#define IFX_CLC_SLEEP_DIVIDER_MASK 0x00FF0000 +#define IFX_CLC_SLEEP_DIVIDER_OFFSET 16 +#define IFX_CLC_SPECIFIC_DIVIDER_MASK 0x00FF0000 +#define IFX_CLC_SPECIFIC_DIVIDER_OFFSET 24 + +/* number of cycles to wait for interrupt service routine to be called */ +#define WAIT_CYCLES 50 + +#endif /* PERIPHERAL_DEFINITIONS_H not yet defined */ |