* Switch to .data section.
*/
.section ".data"
-err_str: .asciz "*** POST ERROR = "
+err_str: .asciz "*** POST ERROR = "
warn_str: .asciz "*** POST WARNING = "
end_str: .asciz "\r\n"
stw r0, +16(r1) /* Save link register */
stw r4, +8(r1) /* save R4 */
- WATCHDOG_RESET /* Reset the watchdog */
+ WATCHDOG_RESET /* Reset the watchdog */
addi r3, 0, ERR_FF /* first test value is ffff */
addi r4, r3, 0 /* save copy of pattern */
addi r31, r3, 0 /* save original size */
/* now kick the dog and test the mem */
- WATCHDOG_RESET /* Reset the watchdog */
+ WATCHDOG_RESET /* Reset the watchdog */
bl Data_Buster /* test crossed/shorted data lines */
addi r3, r30, 0 /* get log2(memsize) */
addi r4, r31, 0 /* get memsize */
addi r28, r28, 4 /* Increment to next word */
andi. r27, r28, 0xffff /* check for 2^16 loops */
bne clr_skip /* if not there, then skip */
- WATCHDOG_RESET /* kick the dog every now and then */
+ WATCHDOG_RESET /* kick the dog every now and then */
clr_skip:
bdnz clr_loop /* Round and round... */
* thus the sequence 0,1,2,4,8,..,2^(n-1)
* setting the bit is done with the following shift functions.
*/
- WATCHDOG_RESET /* Reset the watchdog */
+ WATCHDOG_RESET /* Reset the watchdog */
addi r31, 0, 1 /* r31 = 1 */
slw r28, r31, r30 /* set bit coresponding to loop cnt */
bne Casper /* we found a ghost! */
/* now close ghost ( inner ) loop */
- addi r29, r29, 1 /* increment inner loop counter */
- cmpw r29, r26 /* check for last inner loop */
+ addi r29, r29, 1 /* increment inner loop counter */
+ cmpw r29, r26 /* check for last inner loop */
blt inside /* do more inner loops */
/* now close referance ( outer ) loop */
- addi r31, 0, 0 /* r31 = zero */
+ addi r31, 0, 0 /* r31 = zero */
stb r31, 0(28) /* zero out the altered address loc. */
/*
* Increment and check for end, count is zero based.
* With the ble, this gives us one more loops than
* address bits for sequence 0,1,2,4,8,...2^(n-1)
*/
- addi r30, r30, 1 /* increment outer loop counter */
- cmpw r30, r26 /* check for last inner loop */
+ addi r30, r30, 1 /* increment outer loop counter */
+ cmpw r30, r26 /* check for last inner loop */
ble outside /* do more outer loops */
/* were done, lets go home */
mr r28, r4
mr r29, r5
- WATCHDOG_RESET /* Reset the watchdog */
+ WATCHDOG_RESET /* Reset the watchdog */
/* first fill memory with Value */
srawi r31, r29, 2 /* convert bytes to longs */
addi r30, r30, 4 /* Increment to next word */
andi. r31, r30, 0xffff /* check for 2^16 loops */
bne ft_0a /* if not there, then skip */
- WATCHDOG_RESET /* kick the dog every now and then */
+ WATCHDOG_RESET /* kick the dog every now and then */
ft_0a: bdnz ft_0 /* Round and round... */
- WATCHDOG_RESET /* Reset the watchdog */
+ WATCHDOG_RESET /* Reset the watchdog */
/* Now confirm Value is in memory */
srawi r31, r29, 2 /* convert bytes to longs */
WATCHDOG_RESET /* kick the dog every now and then */
ft_1a: bdnz ft_1 /* Round and round... */
- WATCHDOG_RESET /* Reset the watchdog */
+ WATCHDOG_RESET /* Reset the watchdog */
b fill_done /* restore and return */
/* output a few line feeds */
addi r3, 0, '\n' /* load line feed */
- bl post_putc /* output the char */
+ bl post_putc /* output the char */
addi r3, 0, '\n' /* load line feed */
- bl post_putc /* output the char */
+ bl post_putc /* output the char */
/* restore stack and return */
lwz r0, +12(r1) /* Get saved link register */
addis r31, 0, 0xef60 /* Point to uart base */
ori r31, r31, 0x0300
- addis r30, 0, 152 /* Load about 10,000,000 ticks. */
+ addis r30, 0, 152 /* Load about 10,000,000 ticks. */
pputc_lp:
- lbz r29, 5(r31) /* Read Line Status Register */
+ lbz r29, 5(r31) /* Read Line Status Register */
andi. r29, r29, 0x20 /* Check THRE status */
bne thre_set /* Branch if FIFO empty */
addic. r30, r30, -1 /* Decrement and check if empty. */
bne pputc_lp /* Try, try again */
addi r3, 0, -1 /* Load error code for timeout */
- b pputc_done /* Bail out with error code set */
+ b pputc_done /* Bail out with error code set */
thre_set:
stb r3, 0(r31) /* Store character to UART */
addi r3, 0, 0 /* clear error code */
stw r0, +16(r1) /* Save link register */
stw r31, 8(r1) /* save r31 - char pointer */
- addi r31, r3, 0 /* move pointer to R31 */
+ addi r31, r3, 0 /* move pointer to R31 */
pputs_nxt:
lbz r3, 0(r31) /* Get next character */
addic. r3, r3, 0 /* Check for zero */
bl post_putc /* output the char */
addic. r3, r3, 0 /* check for error */
bne pputs_err
- addi r31, r31, 1 /* point to next char */
- b pputs_nxt /* loop till term */
+ addi r31, r31, 1 /* point to next char */
+ b pputs_nxt /* loop till term */
pputs_err:
- addi r3, 0, -1 /* set error code */
+ addi r3, 0, -1 /* set error code */
b pputs_end /* were outa here */
pputs_term:
- addi r3, 0, 1 /* set success code */
+ addi r3, 0, 1 /* set success code */
/* restore stack and return */
pputs_end:
lwz r31, 8(r1) /* restore r27 - r31 from stack */
stmw r30, 8(r1) /* save r30 - r31 on stack */
/* r31 output char */
/* r30 uart base address */
- addi r30, 0, 8 /* Go through 8 nibbles. */
- addi r31, r3, 0
+ addi r30, 0, 8 /* Go through 8 nibbles. */
+ addi r31, r3, 0
pputh_nxt:
rlwinm r31, r31, 4, 0, 31 /* Rotate next nibble into position */
- andi. r3, r31, 0x0f /* Get nibble. */
- addi r3, r3, 0x30 /* Add zero's ASCII code. */
+ andi. r3, r31, 0x0f /* Get nibble. */
+ addi r3, r3, 0x30 /* Add zero's ASCII code. */
cmpwi r3, 0x03a
blt pputh_out
- addi r3, r3, 0x07 /* 0x27 for lower case. */
+ addi r3, r3, 0x07 /* 0x27 for lower case. */
pputh_out:
- cmpw r30, r4
+ cmpw r30, r4
bgt pputh_skip
bl post_putc
- addic. r3, r3, 0 /* check for error */
+ addic. r3, r3, 0 /* check for error */
bne pputh_err
pputh_skip:
addic. r30, r30, -1
xor r3, r3, r3 /* Clear error code */
b pputh_done
pputh_err:
- addi r3, 0, -1 /* set error code */
+ addi r3, 0, -1 /* set error code */
pputh_done:
/* restore stack and return */
lmw r30, 8(r1) /* restore r30 - r31 from stack */
projects / karo-tx-uboot.git / blobdiff