ws281x.hp

#ifndef _ws281x_HP_
#define _ws281x_HP_


#define AM33XX

// ***************************************
// *      Global Macro definitions       *
// ***************************************

#ifdef AM33XX

// Refer to this mapping in the file - \prussdrv\include\pruss_intc_mapping.h
#define PRU0_PRU1_INTERRUPT     17
#define PRU1_PRU0_INTERRUPT     18
#define PRU0_ARM_INTERRUPT      19
#define PRU1_ARM_INTERRUPT      20
#define ARM_PRU0_INTERRUPT      21
#define ARM_PRU1_INTERRUPT      22

#define CONST_PRUDRAM   C24
#define CONST_SHAREDRAM C28
#define CONST_L3RAM     C30
#define CONST_DDR       C31

// Address for the Constant table Programmable Pointer Register 0(CTPPR_0)
#define CTBIR_0         0x22020
// Address for the Constant table Programmable Pointer Register 0(CTPPR_0)
#define CTBIR_1         0x22024

// Address for the Constant table Programmable Pointer Register 0(CTPPR_0)
#define CTPPR_0         0x22028
// Address for the Constant table Programmable Pointer Register 1(CTPPR_1)
#define CTPPR_1         0x2202C

#else

// Refer to this mapping in the file - \prussdrv\include\pruss_intc_mapping.h
#define PRU0_PRU1_INTERRUPT     32
#define PRU1_PRU0_INTERRUPT     33
#define PRU0_ARM_INTERRUPT      34
#define PRU1_ARM_INTERRUPT      35
#define ARM_PRU0_INTERRUPT      36
#define ARM_PRU1_INTERRUPT      37

#define CONST_PRUDRAM   C3
#define CONST_HPI       C15
#define CONST_DSPL2     C28
#define CONST_L3RAM     C30
#define CONST_DDR       C31

// Address for the Constant table Programmable Pointer Register 0(CTPPR_0)      
#define CTPPR_0         0x7028
// Address for the Constant table Programmable Pointer Register 1(CTPPR_1)      
#define CTPPR_1         0x702C

#endif

.macro  LD32
.mparam dst,src
    LBBO    dst,src,#0x00,4
.endm

.macro  LD16
.mparam dst,src
    LBBO    dst,src,#0x00,2
.endm

.macro  LD8
.mparam dst,src
    LBBO    dst,src,#0x00,1
.endm

.macro ST32
.mparam src,dst
    SBBO    src,dst,#0x00,4
.endm

.macro ST16
.mparam src,dst
    SBBO    src,dst,#0x00,2
.endm

.macro ST8
.mparam src,dst
    SBBO    src,dst,#0x00,1
.endm


#define sp r0
#define lr r23
#define STACK_TOP       (0x2000 - 4)
#define STACK_BOTTOM    (0x2000 - 0x200)

.macro stack_init
    mov     sp, STACK_BOTTOM
.endm

.macro push
.mparam reg, cnt
    sbbo    reg, sp, 0, 4*cnt
    add     sp, sp, 4*cnt
.endm

.macro pop
.mparam reg, cnt
    sub     sp, sp, 4*cnt
    lbbo    reg, sp, 0, 4*cnt
.endm

// ***************************************
// *    Global Structure Definitions     *
// ***************************************

/** Mappings of the GPIO devices */
#define GPIO0 0x44E07000
#define GPIO1 0x4804c000
#define GPIO2 0x481AC000
#define GPIO3 0x481AE000

/** Offsets for the clear and set registers in the devices */
#define GPIO_CLEARDATAOUT 0x190
#define GPIO_SETDATAOUT 0x194

#define NOP       mov r0, r0

// ***************************************
// *     Global Register Assignments     *
// ***************************************


#endif //_ws281x_HP_