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MSP430 reflash working

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This commit is contained in:
jaseg 2020-04-29 18:02:57 +02:00
parent 3dd5789800
commit 76c12726e8
16 changed files with 144 additions and 445 deletions
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39
controller/fw/src/mspdebug_wrapper.c
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@ -1,6 +1,7 @@
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include "output.h"
#include "jtaglib.h"
@ -53,6 +54,18 @@ void mspd_jtag_init() {
gpio_pin_setup(gpios[i].gpio, gpios[i].pin, gpios[i].mode, 3, 0, 0);
}
static void sr_gpio_write(int num, int out) {
if (out)
gpios[num].gpio->BSRR = 1<<gpios[num].pin;
else
gpios[num].gpio->BSRR = 1<<gpios[num].pin<<16;
}
static void sr_jtdev_rst(struct jtdev *p, int out) {
UNUSED(p);
sr_gpio_write(SR_GPIO_RST, out);
}
int mspd_jtag_flash_and_reset(size_t img_start, size_t img_len, ssize_t (*read_block)(void *usr, int addr, size_t len, uint8_t *out), void *usr)
{
union {
@ -73,18 +86,17 @@ int mspd_jtag_flash_and_reset(size_t img_start, size_t img_len, ssize_t (*read_b
if (jtag_id != 0x89 && jtag_id != 0x91)
return -EINVAL;
/* FIXME DEBUG */
#if 0
con_printf("Memory dump:\r\n");
for (size_t i=0; i<256;) {
for (size_t i=0x1000; i<=0x10ff;) {
con_printf("%04x: ", i);
for (size_t j=0; j<16; i+=2, j+=2) {
con_printf("%04x ", jtag_read_mem(&sr_jtdev, 16, 0xc000 + i));
for (size_t j=0; j<16; i+=1, j+=1) {
con_printf("%02x ", jtag_read_mem(&sr_jtdev, 8, i));
}
con_printf("\r\n");
}
return 0;
/* END DEBUG */
#endif
/* Clear flash */
jtag_erase_flash(&sr_jtdev, JTAG_ERASE_MAIN, 0);
@ -93,6 +105,7 @@ int mspd_jtag_flash_and_reset(size_t img_start, size_t img_len, ssize_t (*read_b
/* Write flash */
for (size_t p = img_start; p < img_start + img_len; p += BLOCK_SIZE) {
con_printf("Writing block %04zx\r\n", p);
ssize_t nin = read_block(usr, p, BLOCK_SIZE, block.bytes);
if (nin < 0)
@ -122,6 +135,8 @@ int mspd_jtag_flash_and_reset(size_t img_start, size_t img_len, ssize_t (*read_b
if (sr_jtdev.failed)
return -EPIPE;
jtag_release_device(&sr_jtdev, 0xfffe);
return 0;
}
@ -153,13 +168,6 @@ static void sr_jtdev_connect(struct jtdev *p) {
/* ignore */
}
static void sr_gpio_write(int num, int out) {
if (out)
gpios[num].gpio->BSRR = 1<<gpios[num].pin;
else
gpios[num].gpio->BSRR = 1<<gpios[num].pin<<16;
}
static void sr_jtdev_tck(struct jtdev *p, int out) {
UNUSED(p);
sr_gpio_write(SR_GPIO_TCK, out);
@ -175,11 +183,6 @@ static void sr_jtdev_tdi(struct jtdev *p, int out) {
sr_gpio_write(SR_GPIO_TDI, out);
}
static void sr_jtdev_rst(struct jtdev *p, int out) {
UNUSED(p);
sr_gpio_write(SR_GPIO_RST, out);
}
static void sr_jtdev_tst(struct jtdev *p, int out) {
UNUSED(p);
sr_gpio_write(SR_GPIO_TST, out);