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Update software to match efinix hw

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This commit is contained in:
Byron Lathi
2023-07-19 21:07:17 -07:00
parent 6eeecda368
commit 6706cc502e
14 changed files with 52 additions and 169 deletions
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6
sw/bootloader/devices/board_io.h
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@@ -3,12 +3,6 @@
#include <stdint.h>
uint8_t hex_set_8(uint8_t val, uint8_t idx);
uint8_t hex_set_16(uint16_t val);
uint8_t hex_set_24(uint32_t val);
void hex_enable(uint8_t mask);
uint8_t sw_read();
void led_set(uint8_t val);

47
sw/bootloader/devices/board_io.s
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@@ -2,10 +2,6 @@
.importzp sp, sreg
.export _hex_set_8
.export _hex_set_16
.export _hex_set_24
.export _hex_enable
.export _sw_read
.export _led_set
@@ -13,49 +9,6 @@
.code
; @in A: idx Stack[0]: val
; @out A: 0 for success, 1 for failure.
; Sets one of the 3 pairs of hex digits.
_hex_set_8:
phx
cmp #$3 ; If idx >= 3 then fail
bcc @1
plx
lda #$1
rts
@1: tax ; Move idx into x
jsr popa ; put val into a
sta SEVEN_SEG,x ; write to val
lda #$0
plx
rts
; @in A/X: val
; @out A: 0 for success, 1 for failure
; Sets the low 2 pairs of hex digits
_hex_set_16:
sta SEVEN_SEG
stx SEVEN_SEG+1
lda #$0
rts
; @in A/X/sreg: val
; @out A: 0 for success, 1 for failure
; Sets the 3 pairs of hex digits for a 24 bit value
_hex_set_24:
sta SEVEN_SEG
stx SEVEN_SEG+1
lda sreg
sta SEVEN_SEG+2
lda #$0
rts
; @in A: mask
; Set the mask for seven seg enables
_hex_enable:
sta SEVEN_SEG+3
rts
; @out A: The Value of the switches
; Reads the current values of the switches.
_sw_read:

12
sw/bootloader/devices/conio.s
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@@ -6,7 +6,7 @@
.export _cputc
.export gotoxy
.export _clrscr
.export _cgetc
;.export _cgetc
.autoimport on
@@ -53,8 +53,8 @@ _clrscr:
pla
rts
_cgetc:
@2: lda _lastchar
beq @2
stz _lastchar
rts
;_cgetc:
;@2: lda _lastchar
; beq @2
; stz _lastchar
; rts

10
sw/bootloader/devices/interrupt.s
View File

@@ -9,7 +9,6 @@
.import _handle_irq
.export _irq_int, _nmi_int
.export _irq_get_status, _irq_set_status
.include "io.inc65"
@@ -47,12 +46,3 @@ irq: PLA ; Restore accumulator contents
break: JMP break ; If BRK is detected, something very bad
; has happened, so stop running
_irq_get_status:
lda IRQ_STATUS
ldx #$00
rts
_irq_set_status:
sta IRQ_STATUS
rts

16
sw/bootloader/devices/io.inc65
View File

@@ -1,18 +1,12 @@
SEVEN_SEG = $7ff0
UART = $7ff4
UART = $efe6
UART_TXB = UART
UART_RXB = UART
UART_STATUS = UART + 1
LED = $7ff6
LED = $efff
SW = LED
MM_CTRL = $7ff7
MM_DATA = $7fe0
SD_ARG = $efd8
SD_CMD = $efdc
SD_DATA = $efdd
SD_ARG = $7ff8
SD_CMD = $7ffc
SD_DATA = $7ffd
IRQ_STATUS = $7fff

12
sw/bootloader/devices/mapper.h
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@@ -1,12 +0,0 @@
#ifndef _MAPPER_H
#define _MAPPER_H
#include <stdint.h>
void mapper_enable(uint8_t en);
uint8_t mapper_read(uint8_t addr);
void mapper_write(uint8_t data, uint8_t addr);
#endif

32
sw/bootloader/devices/mapper.s
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@@ -1,32 +0,0 @@
.include "io.inc65"
.importzp sp, sreg
.export _mapper_enable
.export _mapper_read, _mapper_write
.autoimport on
.code
; void mapper_enable(uint8_t en)
_mapper_enable:
sta MM_CTRL
rts
_mapper_read:
phx
tax
lda MM_DATA,x
ldx #$00
rts
_mapper_write:
phx
tax
jsr popa
sta MM_DATA,x
plx
rts

30
sw/bootloader/devices/sd_card.c
View File

@@ -5,21 +5,35 @@
void sd_init() {
uint32_t resp;
uint8_t attempts, i;
cputs("In sd_init\n");
sd_card_command(0, 0);
cprintf("Sent Reset\n");
sd_card_command(0x000001aa, 8);
sd_card_resp(&resp);
cprintf("CMD8: %lx\n", resp);
sd_card_command(0, 55);
sd_card_command(0x40180000, 41);
sd_card_resp(&resp);
cprintf("CMD41: %lx\n", resp);
attempts = 0;
do {
if (attempts > 100) {
cprintf("SD Timed out");
return;
}
sd_card_command(0, 55);
sd_card_resp(&resp);
sd_card_command(0x40180000, 41);
sd_card_resp(&resp);
cprintf("CMD41: %lx\n", resp);
sd_card_command(0, 55);
sd_card_command(0x40180000, 41);
sd_card_resp(&resp);
cprintf("CMD41: %lx\n", resp);
//10ms loop?
for (i = 0; i < 255; i++);
attempts++;
} while (resp != 0);
sd_card_command(0, 2);
sd_card_resp(&resp);

4
sw/bootloader/devices/uart.s
View File

@@ -19,8 +19,8 @@ _uart_txb:
_uart_txb_block:
pha
sta UART_TXB ; Write value
@1: lda UART_STATUS ; Wait for status[0] to be 0
bit #$01
@1: lda UART_STATUS ; Wait for status[1] to be 0
bit #$02
bne @1
pla
rts