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.set noreorder
.globl _start
.section .text
_start:
nop
1:
// uncomment this to be able to attach jtag debugger.
// b 1b
nop
/* setup gpio pinmux
led status green, gpio 8 as gpio function
RALINK_REG(0xbe000060) &= ~(3 << 3); //clear bit 3 & 4
RALINK_REG(0xbe000060) |= (1 << 3); //set bit 3
led status red, gpio 11 as gpio function
led wps (green), gpio 12 as gpio function
RALINK_REG(0xbe000060) &= ~(3 << 5); //clear bit 5 & 6
RALINK_REG(0xbe000060) |= (1 << 5); //set bit 5
*/
li $11, 0xbe000060
lw $12, 0($11)
and $12, 0xffffff87 /* (3 << 3) | (3 << 5) */
or $12, 0x00000028 /* (1 << 3) | (1 << 5) */
sw $12, 0($11)
/* set gpio 8,11,12 to output */
li $11, 0xbe000600
lw $12, 0($11)
or $12, 0x00001900 /* 1<<8 | 1<<11 | 1<<12 */
sw $12, 0($11)
/* set status to red, bit 11 -> 1(on) 12&8 -> 1(off)*/
li $11, 0xbe000620
lw $12, 0($11)
or $12, 0x1900 /* 1<<11 1<<8 1<<12 */
sw $12, 0($11)
/* jump back to 0x89000140 */
li $11, 0x89000140
j $11
nop