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https://github.com/pine64/blisp.git
synced 2024-12-22 14:30:28 +00:00
Work in Progress
This commit is contained in:
Marek Kraus
parent
ec17f896bc
commit
17a6c2f4a1
@ -29,12 +29,14 @@ struct blisp_boot_info {
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int32_t blisp_device_init(struct blisp_device* device, struct blisp_chip* chip);
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int32_t blisp_device_open(struct blisp_device* device, const char* port_name);
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int32_t blisp_device_handshake(struct blisp_device* device);
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int32_t blisp_device_handshake(struct blisp_device* device, bool in_ef_loader);
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int32_t blisp_device_get_boot_info(struct blisp_device* device, struct blisp_boot_info* boot_info);
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int32_t blisp_device_load_boot_header(struct blisp_device* device, uint8_t* boot_header);
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int32_t blisp_device_load_segment_header(struct blisp_device* device, struct blisp_segment_header* segment_header);
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int32_t blisp_device_load_segment_data(struct blisp_device* device, uint8_t* segment_data, uint32_t segment_data_length);
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int32_t blisp_device_write_memory(struct blisp_device* device, uint32_t address, uint32_t value);
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int32_t blisp_device_write_memory(struct blisp_device* device,
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uint32_t address, uint32_t value,
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bool wait_for_res);
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int32_t blisp_device_check_image(struct blisp_device* device);
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int32_t blisp_device_run_image(struct blisp_device* device);
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void blisp_device_close(struct blisp_device* device);
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35
lib/blisp.c
35
lib/blisp.c
@ -3,6 +3,8 @@
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#include <stdio.h>
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#include <string.h>
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#define DEBUG
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int32_t blisp_device_init(struct blisp_device* device, struct blisp_chip* chip)
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{
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device->chip = chip;
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@ -102,7 +104,10 @@ int32_t blisp_receive_response(struct blisp_device* device, bool expect_payload)
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struct sp_port* serial_port = device->serial_port;
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ret = sp_blocking_read(serial_port, &device->rx_buffer[0], 2, 300);
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if (ret < 2) {
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return -1;
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#ifdef DEBUG
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fprintf(stderr, "Failed to receive response. (ret = %d)\n", ret);
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#endif
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return -1; // TODO: Terrible
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} else if (device->rx_buffer[0] == 'O' && device->rx_buffer[1] == 'K') {
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if (expect_payload) {
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sp_blocking_read(serial_port, &device->rx_buffer[2], 2, 100);
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@ -112,17 +117,20 @@ int32_t blisp_receive_response(struct blisp_device* device, bool expect_payload)
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}
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return 0;
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} else if (device->rx_buffer[0] == 'P' && device->rx_buffer[1] == 'D') {
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return -1;
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return -3; // TODO: Terrible
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} else if (device->rx_buffer[0] == 'F' && device->rx_buffer[1] == 'L') {
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sp_blocking_read(serial_port, &device->rx_buffer[2], 2, 100);
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device->error_code = (device->rx_buffer[3] << 8) | (device->rx_buffer[2]);
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return -4; // Failed
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}
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#ifdef DEBUG
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fprintf(stderr, "Receive response failed... (err: %d, %d - %d)\n", ret, device->rx_buffer[0], device->rx_buffer[1]);
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#endif
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return -1;
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}
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int32_t blisp_device_handshake(struct blisp_device* device)
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{
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int32_t
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blisp_device_handshake(struct blisp_device* device, bool in_ef_loader) {
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int ret;
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uint8_t handshake_buffer[600];
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struct sp_port* serial_port = device->serial_port;
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@ -132,10 +140,12 @@ int32_t blisp_device_handshake(struct blisp_device* device)
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memset(handshake_buffer, 'U', bytes_count);
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for (uint8_t i = 0; i < 5; i++) {
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if (!in_ef_loader) {
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if (device->is_usb) {
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sp_blocking_write(serial_port, "BOUFFALOLAB5555RESET\0\0", 22,
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100);
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}
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}
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ret = sp_blocking_write(serial_port, handshake_buffer, bytes_count,
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100);
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@ -184,7 +194,7 @@ int32_t blisp_device_load_segment_header(struct blisp_device* device, struct bli
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int ret;
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ret = blisp_send_command(device, 0x17, segment_header, 16, false);
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if (ret < 0) return ret;
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ret = blisp_receive_response(device, false);
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ret = blisp_receive_response(device, true); // TODO: Handle response
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if (ret < 0) return ret;
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return 0;
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@ -212,16 +222,19 @@ int32_t blisp_device_check_image(struct blisp_device* device)
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return 0;
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}
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int32_t blisp_device_write_memory(struct blisp_device* device, uint32_t address, uint32_t value)
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{
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int32_t
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blisp_device_write_memory(struct blisp_device* device, uint32_t address,
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uint32_t value, bool wait_for_res) {
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int ret;
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uint8_t payload[8];
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*(uint32_t*)(payload) = address;
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*(uint32_t*)(payload + 4) = value; // TODO: Endianness
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ret = blisp_send_command(device, 0x50, payload, 8, false);
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ret = blisp_send_command(device, 0x50, payload, 8, true);
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if (ret < 0) return ret;
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if (wait_for_res) {
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ret = blisp_receive_response(device, false);
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if (ret < 0) return ret;
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}
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return 0;
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}
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@ -231,13 +244,13 @@ int32_t blisp_device_run_image(struct blisp_device* device)
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int ret;
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if (device->chip->type == BLISP_CHIP_BL70X) { // ERRATA
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ret = blisp_device_write_memory(device, 0x4000F100, 0x4E424845);
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ret = blisp_device_write_memory(device, 0x4000F100, 0x4E424845, true);
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if (ret < 0) return ret;
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ret = blisp_device_write_memory(device, 0x4000F104, 0x22010000);
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ret = blisp_device_write_memory(device, 0x4000F104, 0x22010000, true);
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if (ret < 0) return ret;
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// ret = blisp_device_write_memory(device, 0x40000018, 0x00000000);
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// if (ret < 0) return ret;
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ret = blisp_device_write_memory(device, 0x40000018, 0x00000002);
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ret = blisp_device_write_memory(device, 0x40000018, 0x00000002, false);
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if (ret < 0) return ret;
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return 0;
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}
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@ -50,7 +50,7 @@ void blisp_flash_firmware() {
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return;
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}
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printf("Sending a handshake...");
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ret = blisp_device_handshake(&device);
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ret = blisp_device_handshake(&device, false);
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if (ret != 0) {
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fprintf(stderr, "\nFailed to handshake with device.\n");
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goto exit1;
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@ -62,6 +62,15 @@ void blisp_flash_firmware() {
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fprintf(stderr, "\nFailed to get boot info.\n");
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goto exit1;
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}
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if (boot_info.boot_rom_version[0] == 255 &&
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boot_info.boot_rom_version[1] == 255 &&
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boot_info.boot_rom_version[2] == 255 &&
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boot_info.boot_rom_version[3] == 255) {
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printf(" OK\nDevice already in eflash_loader.\n");
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goto eflash_loader;
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}
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printf(" BootROM version %d.%d.%d.%d, ChipID: %02X%02X%02X%02X%02X%02X%02X%02X\n",
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boot_info.boot_rom_version[0],
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boot_info.boot_rom_version[1],
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@ -134,6 +143,17 @@ void blisp_flash_firmware() {
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goto exit1;
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}
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printf("Sending a handshake...");
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ret = blisp_device_handshake(&device, false);
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if (ret != 0) {
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fprintf(stderr, "\nFailed to handshake with device.\n");
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goto exit1;
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}
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printf(" OK\n");
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eflash_loader:
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exit1:
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if (eflash_loader_file != NULL) fclose(eflash_loader_file);
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blisp_device_close(&device);
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