Low level PATA and SDC drivers
Added low level code for PATA and SDC devices.
This commit is contained in:
Peter Weingartner
parent
a1cd5ddc24
commit
ca23f971e7
434
src/dev/pata.c
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434
src/dev/pata.c
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@ -0,0 +1,434 @@
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/**
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* Implementation of the PATA hard drive low level driver
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*/
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#include <string.h>
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#include "log.h"
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#include "errors.h"
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#include "constants.h"
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// #include "fatfs/ff.h"
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// #include "dev/block.h"
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#include "dev/pata.h"
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#include "dev/text_screen_iii.h"
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#include "pata_reg.h"
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//
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// Variables
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//
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short g_pata_error = 0; // Most recent error code received from the PATA drive
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short g_pata_status = PATA_STAT_NOINIT; // Status of the PATA interface
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//
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// Code
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//
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//
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// Wait until the PATA drive is no longer busy, or we've run out of time
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//
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// Returns:
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// 0 on success (PATA drive is no longer busy), DEV_TIMEOUT on timeout
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//
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short pata_wait_not_busy() {
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short count = MAX_TRIES_BUSY;
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char status;
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TRACE("pata_wait_not_busy");
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do {
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status = *PATA_CMD_STAT;
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} while ((status & PATA_STAT_BSY) && (count-- > 0));
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if (count == 0) {
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return DEV_TIMEOUT;
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} else {
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return 0;
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}
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}
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//
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// Wait until the PATA drive is ready, or we've run out of time
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//
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// Returns:
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// 0 on success (PATA drive is ready), DEV_TIMEOUT on timeout
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//
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short pata_wait_ready() {
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short count = MAX_TRIES_BUSY;
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char status;
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TRACE("pata_wait_ready");
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do {
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status = *PATA_CMD_STAT;
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} while (((status & PATA_STAT_DRDY) == 0) && (count-- > 0));
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if (count == 0) {
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return DEV_TIMEOUT;
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} else {
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return 0;
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}
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}
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//
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// Wait until the PATA drive is ready and not busy, or we've run out of time
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//
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// Returns:
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// 0 on success (PATA drive is ready and not busy), DEV_TIMEOUT on timeout
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//
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short pata_wait_ready_not_busy() {
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short count = MAX_TRIES_BUSY;
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char status;
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TRACE("pata_wait_ready_not_busy");
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do {
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status = *PATA_CMD_STAT;
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} while (((status & (PATA_STAT_DRDY | PATA_STAT_BSY)) != PATA_STAT_DRDY) && (count-- > 0));
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if (count == 0) {
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return DEV_TIMEOUT;
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} else {
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return 0;
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}
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}
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//
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// Wait until the PATA drive is ready to transfer data, or we've run out of time
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//
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// Returns:
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// 0 on success (PATA drive is ready to transfer data), DEV_TIMEOUT on timeout
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//
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short pata_wait_data_request() {
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short count = MAX_TRIES_BUSY;
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char status;
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TRACE("pata_wait_data_request");
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do {
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status = *PATA_CMD_STAT;
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} while (((status & PATA_STAT_DRQ) == 0) && (count-- > 0));
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if (count == 0) {
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return DEV_TIMEOUT;
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} else {
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return 0;
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}
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}
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char g_buffer[512];
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//
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// Identify the PATA drive
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//
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// Inputs:
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// drive_info = pointer to a s_drive_info
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//
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// Returns:
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// 0 on success, any negative number is an error code
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//
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short pata_identity(p_drive_info drive_info) {
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char * buffer;
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unsigned short *wptr;
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char * cptr;
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short i;
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short count;
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TRACE("pata_identity");
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*PATA_HEAD = 0xe0; // Drive 0, lBA enabled, Head 0
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*PATA_SECT_CNT = 1;
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*PATA_SECT_SRT = 0;
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*PATA_CLDR_LO = 0;
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*PATA_CLDR_HI = 0;
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// Issue identity command
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*PATA_CMD_STAT = PATA_CMD_IDENTITY;
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if (pata_wait_not_busy()) {
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return DEV_TIMEOUT;
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}
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// TODO: Wait ~500ns
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if (pata_wait_ready_not_busy()) {
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return DEV_TIMEOUT;
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}
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TRACE("copying data");
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// Copy the data... let the compiler and the FPGA worry about endianess
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wptr = (unsigned short *)g_buffer;
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for (i = 0; i < 512; ) {
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unsigned short data = *PATA_DATA_16;
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g_buffer[i++] = data & 0xff;
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g_buffer[i++] = (data >> 8) & 0xff;
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}
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TRACE("data copied");
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wptr = (unsigned short *)buffer;
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drive_info->flags = g_buffer[1] << 16 | g_buffer[0];
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drive_info->lba_enabled = g_buffer[99] << 16 | g_buffer[98];
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drive_info->l.lbaw.lba_default_lo = g_buffer[121] << 8 | g_buffer[120];
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drive_info->l.lbaw.lba_default_hi = g_buffer[123] << 8 | g_buffer[122];
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// Copy the serial number (need to swap chars)
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memcpy(&(drive_info->serial_number), g_buffer + 22, sizeof(drive_info->serial_number));
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// Copy the firmware version (need to swap chars)
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memcpy(&(drive_info->firmware_version), g_buffer + 46, sizeof(drive_info->firmware_version));
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// Copy the model name (need to swap chars)
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memcpy(&(drive_info->model_name), g_buffer + 54, sizeof(drive_info->model_name));
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return 0;
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}
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//
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// Initialize the PATA hard drive
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//
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// Returns:
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// 0 on success, any negative number is an error code
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//
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short pata_init() {
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short result;
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TRACE("pata_init");
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// Issue intialize command
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*PATA_CMD_STAT = PATA_CMD_INIT;
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if (pata_wait_not_busy()) {
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return DEV_TIMEOUT;
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}
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*PATA_HEAD = 0xA0; // Drive 0, lBA enabled, Head 0
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*PATA_SECT_CNT = 1;
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*PATA_SECT_SRT = 0;
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*PATA_CLDR_LO = 0;
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*PATA_CLDR_HI = 0;
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if (pata_wait_ready_not_busy()) {
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return DEV_TIMEOUT;
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}
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// Mark that the drive is initialized and present
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g_pata_status = PATA_STAT_PRESENT;
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return 0;
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}
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//
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// Read a block from the PATA hard drive
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//
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// Inputs:
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// lba = the logical block address of the block to read
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// buffer = the buffer into which to copy the block data
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// size = the size of the buffer.
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//
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// Returns:
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// number of chars read, any negative number is an error code
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//
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short pata_read(long lba, char * buffer, short size) {
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short i;
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unsigned short *wptr;
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TRACE("pata_read");
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if (pata_wait_ready_not_busy()) {
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return DEV_TIMEOUT;
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}
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*PATA_HEAD = ((lba >> 24) & 0x07) | 0xe0; // Upper 3 bits of LBA, Drive 0, LBA mode.
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if (pata_wait_ready_not_busy()) {
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return DEV_TIMEOUT;
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}
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*PATA_SECT_CNT = 1; // Read one sector (make this an option?)
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*PATA_SECT_SRT = lba & 0xff; // Set the rest of the LBA
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*PATA_CLDR_LO = (lba >> 8) & 0xff;
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*PATA_CLDR_LO = (lba >> 16) & 0xff;
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*PATA_CMD_STAT = PATA_CMD_READ_SECTOR; // Issue the READ command
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// TODO: Wait ~500ns
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if (pata_wait_ready_not_busy()) {
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return DEV_TIMEOUT;
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}
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// Copy the data... let the compiler and the FPGA worry about endianess
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for (i = 0, wptr = (unsigned short *)buffer; i < size; i += 2) {
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*wptr++ = *PATA_DATA_16;
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}
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return i;
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}
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//
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// Write a block to the PATA hard drive
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//
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// Inputs:
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// lba = the logical block address of the block to write
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// buffer = the buffer containing the data to write
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// size = the size of the buffer.
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//
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// Returns:
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// number of chars written, any negative number is an error code
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//
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short pata_write(long lba, const char * buffer, short size) {
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short i;
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unsigned short *wptr;
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TRACE("pata_write");
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if (pata_wait_ready_not_busy()) {
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return DEV_TIMEOUT;
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}
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*PATA_HEAD = ((lba >> 24) & 0x07) | 0xe0; // Upper 3 bits of LBA, Drive 0, LBA mode.
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if (pata_wait_ready_not_busy()) {
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return DEV_TIMEOUT;
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}
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*PATA_SECT_CNT = 1; // Read one sector (make this an option?)
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*PATA_SECT_SRT = lba & 0xff; // Set the rest of the LBA
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*PATA_CLDR_LO = (lba >> 8) & 0xff;
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*PATA_CLDR_LO = (lba >> 16) & 0xff;
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*PATA_CMD_STAT = PATA_CMD_WRITE_SECTOR; // Issue the WRITE command
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// TODO: Wait ~500ns
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if (pata_wait_ready_not_busy()) {
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return DEV_TIMEOUT;
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}
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// Copy the data... let the compiler and the FPGA worry about endianess
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for (i = 0, wptr = (unsigned short *)buffer; i < size; i += 2) {
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*PATA_DATA_16 = *wptr++;
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}
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return 0;
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}
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//
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// Return the status of the PATA hard drive
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//
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// Returns:
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// the status of the device
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//
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short pata_status() {
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TRACE("pata_status");
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return g_pata_status;
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}
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//
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// Return any error code of the PATA hard drive
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//
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// Returns:
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// the error code of the device
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//
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short pata_error() {
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TRACE("pata_error");
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return g_pata_error;
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}
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//
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// Ensure that any pending writes to teh device have been completed
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//
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// Returns:
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// 0 on success, any negative number is an error code
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//
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short pata_flush() {
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TRACE("pata_flush");
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return 0;
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}
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//
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// Issue a control command to the PATA hard drive
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//
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// Inputs:
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// command = the number of the command to send
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// buffer = pointer to chars of additional data for the command
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// size = the size of the buffer
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//
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// Returns:
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// 0 on success, any negative number is an error code
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//
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short pata_ioctrl(short command, char * buffer, short size) {
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short result;
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long *p_long;
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unsigned short *p_word;
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long *p_lba_word;
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t_drive_info drive_info;
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p_drive_info p_info;
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TRACE("pata_ioctrl");
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switch (command) {
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case PATA_GET_SECTOR_COUNT:
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p_lba_word = (long *)buffer;
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result = pata_identity(&drive_info);
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if (result != 0) {
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return result;
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}
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*p_lba_word = drive_info.l.lba_default;
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break;
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case PATA_GET_SECTOR_SIZE:
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// Return the size of a sector... always 512
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p_word = (unsigned short *)buffer;
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*p_word = PATA_SECTOR_SIZE;
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break;
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case PATA_GET_BLOCK_SIZE:
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// This isn't a flash device... return 1
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p_long = (long *)buffer;
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*p_long = 1;
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break;
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case PATA_GET_DRIVE_INFO:
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p_info = (p_drive_info *)buffer;
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result = pata_identity(p_info);
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if (result != 0) {
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return result;
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}
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break;
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default:
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return 0;
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}
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return 0;
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}
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//
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// Install the PATA driver
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//
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// Returns:
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// 0 on success, any negative number is an error code
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//
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short pata_install() {
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// t_dev_block bdev;
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//
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// TRACE("pata_install");
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//
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// g_pata_error = 0;
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// g_pata_status = PATA_STAT_NOINIT;
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//
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// // Check if drive is installed
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||||||
|
// if ((*DIP_BOOTMODE & HD_INSTALLED) == 0) {
|
||||||
|
// bdev.number = BDEV_HDC;
|
||||||
|
// bdev.name = "HDD";
|
||||||
|
// bdev.init = pata_init;
|
||||||
|
// bdev.read = pata_read;
|
||||||
|
// bdev.write = pata_write;
|
||||||
|
// bdev.status = pata_status;
|
||||||
|
// bdev.flush = pata_flush;
|
||||||
|
// bdev.ioctrl = pata_ioctrl;
|
||||||
|
//
|
||||||
|
// g_pata_status = PATA_STAT_PRESENT & PATA_STAT_NOINIT;
|
||||||
|
//
|
||||||
|
// return bdev_register(&bdev);
|
||||||
|
// } else {
|
||||||
|
// return 0;
|
||||||
|
// }
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
118
src/dev/pata.h
Normal file
118
src/dev/pata.h
Normal file
|
|
@ -0,0 +1,118 @@
|
||||||
|
/**
|
||||||
|
* Low level driver for the PATA hard drive.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __PATA_H
|
||||||
|
#define __PATA_H
|
||||||
|
|
||||||
|
#include "types.h"
|
||||||
|
|
||||||
|
#define PATA_GET_SECTOR_COUNT 1
|
||||||
|
#define PATA_GET_SECTOR_SIZE 2
|
||||||
|
#define PATA_GET_BLOCK_SIZE 3
|
||||||
|
#define PATA_GET_DRIVE_INFO 4
|
||||||
|
|
||||||
|
#define PATA_SECTOR_SIZE 512 // Size of a block on the PATA
|
||||||
|
|
||||||
|
#define PATA_STAT_NOINIT 0x01 // PATA hard drive has not been initialized
|
||||||
|
#define PATA_STAT_PRESENT 0x02 // PATA hard drive is present
|
||||||
|
|
||||||
|
//
|
||||||
|
// Structures
|
||||||
|
//
|
||||||
|
|
||||||
|
typedef struct s_drive_info {
|
||||||
|
unsigned short flags;
|
||||||
|
char serial_number[18];
|
||||||
|
char firmware_version[6];
|
||||||
|
char model_name[38];
|
||||||
|
unsigned short lba_enabled;
|
||||||
|
union u1 {
|
||||||
|
struct s1 {
|
||||||
|
unsigned short lba_default_lo;
|
||||||
|
unsigned short lba_default_hi;
|
||||||
|
} lbaw;
|
||||||
|
unsigned long lba_default;
|
||||||
|
} l;
|
||||||
|
} t_drive_info, *p_drive_info;
|
||||||
|
|
||||||
|
//
|
||||||
|
// Install the PATA driver
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short pata_install();
|
||||||
|
|
||||||
|
//
|
||||||
|
// Initialize the PATA hard drive
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short pata_init();
|
||||||
|
|
||||||
|
//
|
||||||
|
// Read a block from the PATA hard drive
|
||||||
|
//
|
||||||
|
// Inputs:
|
||||||
|
// lba = the logical block address of the block to read
|
||||||
|
// buffer = the buffer into which to copy the block data
|
||||||
|
// size = the size of the buffer.
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// number of chars read, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short pata_read(long lba, char * buffer, short size);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Write a block to the PATA hard drive
|
||||||
|
//
|
||||||
|
// Inputs:
|
||||||
|
// lba = the logical block address of the block to write
|
||||||
|
// buffer = the buffer containing the data to write
|
||||||
|
// size = the size of the buffer.
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// number of chars written, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short pata_write(long lba, const char * buffer, short size);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Return the status of the PATA hard drive
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// the status of the device
|
||||||
|
//
|
||||||
|
extern short pata_status();
|
||||||
|
|
||||||
|
//
|
||||||
|
// Return any error code of the PATA hard drive
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// the error code of the device
|
||||||
|
//
|
||||||
|
extern short pata_error();
|
||||||
|
|
||||||
|
//
|
||||||
|
// Ensure that any pending writes to teh device have been completed
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short pata_flush();
|
||||||
|
|
||||||
|
//
|
||||||
|
// Issue a control command to the PATA hard drive
|
||||||
|
//
|
||||||
|
// Inputs:
|
||||||
|
// command = the number of the command to send
|
||||||
|
// buffer = pointer to chars of additional data for the command
|
||||||
|
// size = the size of the buffer
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short pata_ioctrl(short command, char * buffer, short size);
|
||||||
|
|
||||||
|
#endif
|
||||||
388
src/dev/sdc.c
Normal file
388
src/dev/sdc.c
Normal file
|
|
@ -0,0 +1,388 @@
|
||||||
|
/**
|
||||||
|
* Implementation of the SDC device driver
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "log.h"
|
||||||
|
// #include "fatfs/ff.h"
|
||||||
|
#include "constants.h"
|
||||||
|
#include "errors.h"
|
||||||
|
// #include "dev/block/block.h"
|
||||||
|
#include "sdc_reg.h"
|
||||||
|
#include "dev/sdc.h"
|
||||||
|
#include "dev/text_screen_iii.h"
|
||||||
|
|
||||||
|
unsigned char g_sdc_status = SDC_STAT_NOINIT;
|
||||||
|
unsigned char g_sdc_error = 0;
|
||||||
|
|
||||||
|
//
|
||||||
|
// Attempt to reset the SD controller
|
||||||
|
//
|
||||||
|
void sdc_reset() {
|
||||||
|
short delay;
|
||||||
|
|
||||||
|
TRACE("sdc_reset");
|
||||||
|
|
||||||
|
// NOTE: I haven't quite figured out reset on this block... setting the reset bit
|
||||||
|
// seems to leave the controller in an odd state.
|
||||||
|
|
||||||
|
// *SDC_CONTROL_REG = 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Return true if there is an SD card in the slot
|
||||||
|
//
|
||||||
|
short sdc_detected() {
|
||||||
|
return 1;
|
||||||
|
// return (*SDCARD_STAT & SDC_DETECTED) != SDC_DETECTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Return true if there is an SD card is protected
|
||||||
|
//
|
||||||
|
short sdc_protected() {
|
||||||
|
return 0;
|
||||||
|
// return (*SDCARD_STAT & SDC_WRITEPROT) != SDC_WRITEPROT;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Turn the SDC LED on or off
|
||||||
|
//
|
||||||
|
// Inputs:
|
||||||
|
// is_on = if 0, turn the LED off, otherwise turn the LED on
|
||||||
|
//
|
||||||
|
void sdc_set_led(short is_on) {
|
||||||
|
// volatile unsigned char *gabe_control = (unsigned char *)GABE_MSTR_CTRL;
|
||||||
|
//
|
||||||
|
// if (is_on) {
|
||||||
|
// *gabe_control = *gabe_control | GABE_CTRL_SDC_LED;
|
||||||
|
// } else {
|
||||||
|
// *gabe_control = *gabe_control & ~GABE_CTRL_SDC_LED;
|
||||||
|
// }
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Wait for the SDC to complete its transaction
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, DEV_TIMEOUT on timeout
|
||||||
|
//
|
||||||
|
short sdc_wait_busy() {
|
||||||
|
short retry_count = MAX_TRIES_BUSY;
|
||||||
|
unsigned char status;
|
||||||
|
|
||||||
|
do {
|
||||||
|
if (retry_count-- == 0) {
|
||||||
|
// If we have run out of tries, return a TIMEOUT error
|
||||||
|
return DEV_TIMEOUT;
|
||||||
|
}
|
||||||
|
status = *SDC_TRANS_STATUS_REG;
|
||||||
|
} while ((status & SDC_TRANS_BUSY) == SDC_TRANS_BUSY);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Initialize the SDC
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, any negative number is an error code
|
||||||
|
//
|
||||||
|
short sdc_init() {
|
||||||
|
TRACE("sdc_init");
|
||||||
|
|
||||||
|
// Check for presence of the card
|
||||||
|
|
||||||
|
if (!sdc_detected()) {
|
||||||
|
// SDC_DETECTED is active 0... 1 means there is no card
|
||||||
|
g_sdc_status = SDC_STAT_NOINIT;
|
||||||
|
return DEV_NOMEDIA;
|
||||||
|
}
|
||||||
|
|
||||||
|
*SDC_TRANS_TYPE_REG = SDC_TRANS_INIT_SD; // Start the INIT_SD transaction
|
||||||
|
*SDC_TRANS_CONTROL_REG = SDC_TRANS_START;
|
||||||
|
|
||||||
|
if (sdc_wait_busy() == 0) { // Wait for it to complete
|
||||||
|
g_sdc_error = *SDC_TRANS_ERROR_REG; // Check for any error condition
|
||||||
|
if (g_sdc_error == 0) {
|
||||||
|
TRACE("sdc_init: SUCCESS");
|
||||||
|
g_sdc_status = 0; // Flag that the SD has been initialized
|
||||||
|
return 0;
|
||||||
|
} else {
|
||||||
|
TRACE("sdc_init: DEV_CANNOT_INIT");
|
||||||
|
g_sdc_status = SDC_STAT_NOINIT;
|
||||||
|
return DEV_CANNOT_INIT;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
TRACE("sdc_init: DEV_TIMEOUT");
|
||||||
|
g_sdc_status = SDC_STAT_NOINIT;
|
||||||
|
return DEV_TIMEOUT;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Read a block from the SDC
|
||||||
|
//
|
||||||
|
// Inputs:
|
||||||
|
// lba = the logical block address of the block to read
|
||||||
|
// buffer = the buffer into which to copy the block data
|
||||||
|
// size = the size of the buffer.
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// number of bytes read, any negative number is an error code
|
||||||
|
//
|
||||||
|
short sdc_read(long lba, unsigned char * buffer, short size) {
|
||||||
|
long adjusted_lba;
|
||||||
|
|
||||||
|
TRACE("sdc_read");
|
||||||
|
|
||||||
|
// Check for presence of the card
|
||||||
|
|
||||||
|
if (!sdc_detected()) {
|
||||||
|
// SDC_DETECTED is active 0... 1 means there is no card
|
||||||
|
g_sdc_status = SDC_STAT_NOINIT;
|
||||||
|
return DEV_NOMEDIA;
|
||||||
|
}
|
||||||
|
|
||||||
|
sdc_set_led(1); // Turn on the SDC LED
|
||||||
|
|
||||||
|
// Send the LBA to the SDC
|
||||||
|
|
||||||
|
adjusted_lba = lba << 9;
|
||||||
|
*SDC_SD_ADDR_7_0_REG = adjusted_lba & 0xff;
|
||||||
|
*SDC_SD_ADDR_15_8_REG = (adjusted_lba >> 8) & 0xff;
|
||||||
|
*SDC_SD_ADDR_23_16_REG = (adjusted_lba >> 16) & 0xff;
|
||||||
|
*SDC_SD_ADDR_31_24_REG = (adjusted_lba >> 24) & 0xff;
|
||||||
|
|
||||||
|
// Start the READ transaction
|
||||||
|
|
||||||
|
*SDC_TRANS_TYPE_REG = SDC_TRANS_READ_BLK; // Set the transaction type to READ
|
||||||
|
*SDC_TRANS_CONTROL_REG = SDC_TRANS_START; // Start the transaction
|
||||||
|
|
||||||
|
if (sdc_wait_busy() == 0) { // Wait for the transaction to complete
|
||||||
|
g_sdc_error = *SDC_TRANS_ERROR_REG; // Check for errors
|
||||||
|
|
||||||
|
if (g_sdc_error != 0) {
|
||||||
|
sdc_set_led(0); // Turn off the SDC LED
|
||||||
|
return DEV_CANNOT_READ;
|
||||||
|
|
||||||
|
} else {
|
||||||
|
short count;
|
||||||
|
short i;
|
||||||
|
|
||||||
|
// Get the number of bytes to be read and make sure there is room
|
||||||
|
count = *SDC_RX_FIFO_DATA_CNT_HI << 8 | *SDC_RX_FIFO_DATA_CNT_LO;
|
||||||
|
if (count > size) {
|
||||||
|
return DEV_BOUNDS_ERR;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < count; i++) { // Fetch the bytes from the SDC
|
||||||
|
buffer[i] = *SDC_RX_FIFO_DATA_REG;
|
||||||
|
}
|
||||||
|
|
||||||
|
sdc_set_led(0); // Turn off the SDC LED
|
||||||
|
|
||||||
|
g_sdc_error = *SDC_TRANS_ERROR_REG; // Check for errors
|
||||||
|
if (g_sdc_error != 0) {
|
||||||
|
return DEV_CANNOT_READ;
|
||||||
|
} else {
|
||||||
|
// Success: return the byte count
|
||||||
|
return count;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
sdc_set_led(0); // Turn off the SDC LED
|
||||||
|
return DEV_TIMEOUT;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Write a block to the SDC
|
||||||
|
//
|
||||||
|
// Inputs:
|
||||||
|
// lba = the TRACEical block address of the block to write
|
||||||
|
// buffer = the buffer containing the data to write
|
||||||
|
// size = the size of the buffer.
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// number of bytes written, any negative number is an error code
|
||||||
|
//
|
||||||
|
short sdc_write(long lba, const unsigned char * buffer, short size) {
|
||||||
|
long adjusted_lba;
|
||||||
|
short i;
|
||||||
|
|
||||||
|
TRACE("sdc_write");
|
||||||
|
|
||||||
|
// Check for presence of the card
|
||||||
|
|
||||||
|
if (!sdc_detected()) {
|
||||||
|
// SDC_DETECTED is active 0... 1 means there is no card
|
||||||
|
g_sdc_status = SDC_STAT_NOINIT;
|
||||||
|
return DEV_NOMEDIA;
|
||||||
|
}
|
||||||
|
|
||||||
|
sdc_set_led(1); // Turn on the SDC LED
|
||||||
|
|
||||||
|
if (size <= SDC_SECTOR_SIZE) {
|
||||||
|
// Copy the data to the SDC, if there isn't too much...
|
||||||
|
for (i = 0; i < size; i++) {
|
||||||
|
*SDC_TX_FIFO_DATA_REG = buffer[i];
|
||||||
|
}
|
||||||
|
|
||||||
|
if (size < SDC_SECTOR_SIZE) {
|
||||||
|
// If we copied less than a block's worth, pad the rest with 0s...
|
||||||
|
for (i = 0; i < SDC_SECTOR_SIZE - size; i++) {
|
||||||
|
*SDC_TX_FIFO_DATA_REG = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
} else {
|
||||||
|
// If size is too big, return a BOUNDS error
|
||||||
|
return DEV_BOUNDS_ERR;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Send the LBA to the SDC
|
||||||
|
|
||||||
|
adjusted_lba = lba << 9;
|
||||||
|
*SDC_SD_ADDR_7_0_REG = adjusted_lba & 0xff;
|
||||||
|
*SDC_SD_ADDR_15_8_REG = (adjusted_lba >> 8) & 0xff;
|
||||||
|
*SDC_SD_ADDR_23_16_REG = (adjusted_lba >> 16) & 0xff;
|
||||||
|
*SDC_SD_ADDR_31_24_REG = (adjusted_lba >> 24) & 0xff;
|
||||||
|
|
||||||
|
// Start the WRITE transaction
|
||||||
|
|
||||||
|
*SDC_TRANS_TYPE_REG = SDC_TRANS_WRITE_BLK; // Set the transaction type to WRITE
|
||||||
|
*SDC_TRANS_CONTROL_REG = SDC_TRANS_START; // Start the transaction
|
||||||
|
|
||||||
|
if (sdc_wait_busy() == 0) { // Wait for the transaction to complete
|
||||||
|
g_sdc_error = *SDC_TRANS_ERROR_REG; // Check for errors
|
||||||
|
|
||||||
|
if (g_sdc_error != 0) {
|
||||||
|
sdc_set_led(0); // Turn off the SDC LED
|
||||||
|
return DEV_CANNOT_WRITE;
|
||||||
|
|
||||||
|
} else {
|
||||||
|
// Success: return the byte count
|
||||||
|
return size;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
sdc_set_led(0); // Turn off the SDC LED
|
||||||
|
return DEV_TIMEOUT;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Return the status of the SDC
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// the status of the device
|
||||||
|
//
|
||||||
|
short sdc_status() {
|
||||||
|
short status = g_sdc_status;
|
||||||
|
|
||||||
|
if (sdc_detected()) {
|
||||||
|
// Add the PRESENT flag, if the card is inserted
|
||||||
|
status |= SDC_STAT_PRESENT;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (sdc_protected()) {
|
||||||
|
// Add the PROTECTED flag, if the card is write-protected
|
||||||
|
status |= SDC_STAT_PROTECTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
return status;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Return any error code of the SDC
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// the error code of the device
|
||||||
|
//
|
||||||
|
short sdc_error() {
|
||||||
|
return g_sdc_error;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Ensure that any pending writes to teh device have been completed
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, any negative number is an error code
|
||||||
|
//
|
||||||
|
short sdc_flush() {
|
||||||
|
return 0; // We don't buffer writes... always return success
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Return the count of sectors in this SD card
|
||||||
|
//
|
||||||
|
short sdc_sector_count() {
|
||||||
|
// TODO: implement this!
|
||||||
|
return 1000;
|
||||||
|
}
|
||||||
|
|
||||||
|
#define SDC_GET_SECTOR_COUNT 1
|
||||||
|
#define SDC_GET_SECTOR_SIZE 2
|
||||||
|
#define SDC_GET_BLOCK_SIZE 3
|
||||||
|
|
||||||
|
//
|
||||||
|
// Issue a control command to the device
|
||||||
|
//
|
||||||
|
// Inputs:
|
||||||
|
// command = the number of the command to send
|
||||||
|
// buffer = pointer to bytes of additional data for the command
|
||||||
|
// size = the size of the buffer
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, any negative number is an error code
|
||||||
|
//
|
||||||
|
short sdc_ioctrl(short command, unsigned char * buffer, short size) {
|
||||||
|
unsigned long *p_dword;
|
||||||
|
unsigned short *p_word;
|
||||||
|
unsigned long *p_lba_word;
|
||||||
|
|
||||||
|
switch (command) {
|
||||||
|
case SDC_GET_SECTOR_COUNT:
|
||||||
|
p_lba_word = (unsigned long *)buffer;
|
||||||
|
*p_lba_word = sdc_sector_count();
|
||||||
|
break;
|
||||||
|
|
||||||
|
case SDC_GET_SECTOR_SIZE:
|
||||||
|
// Return the size of a sector... always 512
|
||||||
|
p_word = (unsigned short *)buffer;
|
||||||
|
*p_word = SDC_SECTOR_SIZE;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case SDC_GET_BLOCK_SIZE:
|
||||||
|
// We don't know what the block size is... return 1
|
||||||
|
p_dword = (unsigned long *)buffer;
|
||||||
|
*p_dword = 1;
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Install the SDC driver
|
||||||
|
//
|
||||||
|
short sdc_install() {
|
||||||
|
// t_dev_block dev; // bdev_register copies the data, so we'll allocate this on the stack
|
||||||
|
//
|
||||||
|
// TRACE("sdc_install");
|
||||||
|
//
|
||||||
|
// sdc_reset();
|
||||||
|
//
|
||||||
|
// dev.number = BDEV_SDC;
|
||||||
|
// dev.name = "SDC";
|
||||||
|
// dev.init = sdc_init;
|
||||||
|
// dev.read = sdc_read;
|
||||||
|
// dev.write = sdc_write;
|
||||||
|
// dev.flush = sdc_flush;
|
||||||
|
// dev.status = sdc_status;
|
||||||
|
// dev.ioctrl = sdc_ioctrl;
|
||||||
|
//
|
||||||
|
// return bdev_register(&dev);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
96
src/dev/sdc.h
Normal file
96
src/dev/sdc.h
Normal file
|
|
@ -0,0 +1,96 @@
|
||||||
|
/**
|
||||||
|
* Definitions support low level SDC device driver
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __SDC_H
|
||||||
|
#define __SDC_H
|
||||||
|
|
||||||
|
#include "types.h"
|
||||||
|
|
||||||
|
//
|
||||||
|
// Definitions for GABE's internal SD card controller
|
||||||
|
//
|
||||||
|
|
||||||
|
#define SDC_SECTOR_SIZE 512 // Size of a block on the SDC
|
||||||
|
|
||||||
|
#define SDC_STAT_NOINIT 0x01 // SD has not been initialized
|
||||||
|
#define SDC_STAT_PRESENT 0x02 // SD is present
|
||||||
|
#define SDC_STAT_PROTECTED 0x04 // SD is write-protected
|
||||||
|
|
||||||
|
//
|
||||||
|
// Install the SDC driver
|
||||||
|
//
|
||||||
|
extern short sdc_install();
|
||||||
|
|
||||||
|
//
|
||||||
|
// Initialize the SDC
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short sdc_init();
|
||||||
|
|
||||||
|
//
|
||||||
|
// Read a block from the SDC
|
||||||
|
//
|
||||||
|
// Inputs:
|
||||||
|
// lba = the logical block address of the block to read
|
||||||
|
// buffer = the buffer into which to copy the block data
|
||||||
|
// size = the size of the buffer.
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// number of bytes read, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short sdc_read(long lba, unsigned char * buffer, short size);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Write a block to the SDC
|
||||||
|
//
|
||||||
|
// Inputs:
|
||||||
|
// lba = the logical block address of the block to write
|
||||||
|
// buffer = the buffer containing the data to write
|
||||||
|
// size = the size of the buffer.
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// number of bytes written, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short sdc_write(long lba, const unsigned char * buffer, short size);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Return the status of the SDC
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// the status of the device
|
||||||
|
//
|
||||||
|
extern short sdc_status();
|
||||||
|
|
||||||
|
//
|
||||||
|
// Return any error code of the SDC
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// the error code of the device
|
||||||
|
//
|
||||||
|
extern short sdc_error();
|
||||||
|
|
||||||
|
//
|
||||||
|
// Ensure that any pending writes to teh device have been completed
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short sdc_flush();
|
||||||
|
|
||||||
|
//
|
||||||
|
// Issue a control command to the device
|
||||||
|
//
|
||||||
|
// Inputs:
|
||||||
|
// command = the number of the command to send
|
||||||
|
// buffer = pointer to bytes of additional data for the command
|
||||||
|
// size = the size of the buffer
|
||||||
|
//
|
||||||
|
// Returns:
|
||||||
|
// 0 on success, any negative number is an error code
|
||||||
|
//
|
||||||
|
extern short sdc_ioctrl(short command, unsigned char * buffer, short size);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -3,12 +3,13 @@
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#include <string.h>
|
#include <string.h>
|
||||||
|
|
||||||
#include "sys_general.h"
|
#include "sys_general.h"
|
||||||
#include "syscalls.h"
|
#include "syscalls.h"
|
||||||
#include "dev/channel.h"
|
#include "dev/channel.h"
|
||||||
#include "dev/console.h"
|
#include "dev/console.h"
|
||||||
#include "dev/text_screen_iii.h"
|
#include "dev/text_screen_iii.h"
|
||||||
|
#include "dev/pata.h"
|
||||||
|
#include "dev/sdc.h"
|
||||||
#include "log.h"
|
#include "log.h"
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
|
@ -16,31 +17,78 @@
|
||||||
*/
|
*/
|
||||||
void initialize() {
|
void initialize() {
|
||||||
text_init(); // Initialize the text channels
|
text_init(); // Initialize the text channels
|
||||||
DEBUG("Foenix/MCP starting up...\n");
|
DEBUG("Foenix/MCP starting up...");
|
||||||
cdev_init_system(); // Initialize the channel device system
|
cdev_init_system(); // Initialize the channel device system
|
||||||
DEBUG("Channel device system ready.\n");
|
DEBUG("Channel device system ready.");
|
||||||
if (con_install()) {
|
if (con_install()) {
|
||||||
DEBUG("FAILED: Console installation.\n");
|
DEBUG("FAILED: Console installation.");
|
||||||
} else {
|
} else {
|
||||||
DEBUG("Console installed.\n");
|
DEBUG("Console installed.");
|
||||||
}
|
}
|
||||||
|
|
||||||
// At this point, we should be able to call into to console to print to the screens
|
// At this point, we should be able to call into to console to print to the screens
|
||||||
|
|
||||||
|
// if (pata_init()) {
|
||||||
|
// DEBUG("Error initializing the PATA drive.");
|
||||||
|
// }
|
||||||
|
|
||||||
|
if (sdc_init()) {
|
||||||
|
DEBUG("Error initializing the PATA drive.");
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void print(short channel, char * message) {
|
void print(short channel, char * message) {
|
||||||
syscall(SYS_CHAN_WRITE, channel, message, strlen(message));
|
syscall(SYS_CHAN_WRITE, channel, message, strlen(message));
|
||||||
}
|
}
|
||||||
|
|
||||||
int main(int argc, char * argv[]) {
|
void print_hex(short channel, unsigned short x) {
|
||||||
initialize();
|
char number[3];
|
||||||
|
short digit;
|
||||||
|
char hex_digits[] = "0123456789ABCDEF";
|
||||||
|
|
||||||
print(CDEV_CONSOLE, "Hello from Screen A!\n");
|
digit = (x & 0xf0) >> 4;
|
||||||
print(CDEV_EVID, "Hello from Screen B!\n");
|
number[0] = hex_digits[digit];
|
||||||
|
|
||||||
DEBUG("Stopping.\n");
|
digit = (x & 0x0f);
|
||||||
|
number[1] = hex_digits[digit];
|
||||||
/* Infinite loop... */
|
|
||||||
while (1) {};
|
number[2] = 0;
|
||||||
|
|
||||||
|
print(channel, number);
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(int argc, char * argv[]) {
|
||||||
|
short x;
|
||||||
|
short result;
|
||||||
|
char buffer[512];
|
||||||
|
initialize();
|
||||||
|
|
||||||
|
for (x = 0; x < 512; x++) {
|
||||||
|
buffer[x] = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
print(CDEV_CONSOLE, "Hello from Screen A!\n");
|
||||||
|
print(CDEV_EVID, "Hello from Screen B!\n");
|
||||||
|
|
||||||
|
print(1, "Hard drive sector 0:\n")
|
||||||
|
result = sdc_read(0L, buffer, 512);
|
||||||
|
if (result > 0) {
|
||||||
|
for (x = 0; x < result; x++) {
|
||||||
|
if (x % 16 == 0) {
|
||||||
|
print(1, "\n");
|
||||||
|
}
|
||||||
|
print_hex(1, buffer[x]);
|
||||||
|
print(1, " ");
|
||||||
|
}
|
||||||
|
print(1, "\n");
|
||||||
|
} else if (result < 0) {
|
||||||
|
DEBUG("IDE returned an error.");
|
||||||
|
} else {
|
||||||
|
DEBUG("IDE returned nothing.");
|
||||||
|
}
|
||||||
|
|
||||||
|
DEBUG("Stopping.");
|
||||||
|
|
||||||
|
/* Infinite loop... */
|
||||||
|
while (1) {};
|
||||||
}
|
}
|
||||||
|
|
|
||||||
263
src/foenixmcp.s68
Normal file
263
src/foenixmcp.s68
Normal file
|
|
@ -0,0 +1,263 @@
|
||||||
|
S0100000666F656E69786D63702E73363817
|
||||||
|
S22400000000020000000100000001002C0001002C0001002C0001002C0001002C0001002CCA
|
||||||
|
S2240000200001002C0001002C0001002C0001002C0001002C0001002C0001002C0001002C53
|
||||||
|
S2240000400001002C0001002C0001002C0001002C0001002C0001002C0001002C0001002C33
|
||||||
|
S2240000600001002C0001002C0001002C0001002C0001002C0001002C0001002C0001002C13
|
||||||
|
S2240000800001002C0001002C0001002C0001002C0001002C0001002C0001002C0001002CF3
|
||||||
|
S2240000A00001002C0001002C0001002C0001002C0001002C000100560001002C0001002CA9
|
||||||
|
S2240100004FF90002000041F900011F94203C0000061067104298598066FA41FA003A327C83
|
||||||
|
S22401002000B422884EB9000100F460FE4E7348E77F002E2F00382C2F00342A2F0030282F8F
|
||||||
|
S224010040002C262F0028242F0024222F00204E4D4CDF00FE4E752F072F062F052F042F037E
|
||||||
|
S2240100602F022F014EB9000105A84FEF001C4E7348E7203047F900011F6E203C00011F6E12
|
||||||
|
S224010080672674014AAB0004670C52822002E5884AB3080066F45382670E2002E5882473BA
|
||||||
|
S2240100A008004E92538266F22F2F00104EB90001002A584F4CDF0C044E754E7148E70030C2
|
||||||
|
S2240100C04AB900011F806626267900011F94700123C000011F80200B670C246B00044E9293
|
||||||
|
S2240100E02653200B66F42F2F000C6184584F4CDF0C004E7548E7003047F900011F7A203C77
|
||||||
|
S22401010000011F76670C4A936708245B4E924A9366F82F2F00102F2F00104EB9000102E420
|
||||||
|
S2240101202F0061984FEF000C4CDF0C004E7500004EB900011954487A00B04EB900010560F9
|
||||||
|
S2240101404EB900010634487A00BC4EB9000105604EB900010DBC504F4A40670E487A003209
|
||||||
|
S2240101604EB900010560584F600C487A00444EB900010560584F4EB9000115B84A40670C0D
|
||||||
|
S224010180487A00424EB900010560584F4E754E714641494C45443A20436F6E736F6C6520CD
|
||||||
|
S2240101A0696E7374616C6C6174696F6E2E004E71436F6E736F6C6520696E7374616C6C65EB
|
||||||
|
S2240101C0642E00004572726F7220696E697469616C697A696E67207468652050415441208B
|
||||||
|
S2240101E064726976652E0000466F656E69782F4D4350207374617274696E672075702E2E4C
|
||||||
|
S2240102002E004E714368616E6E656C206465766963652073797374656D2072656164792E7A
|
||||||
|
S22401022000004E7148E72020342F000E246F0010204A20084A1866FC908846802F002F0ADA
|
||||||
|
S224010240300248C02F00487800024EB90001002E4FEF00104CDF04044E754E714FEFFFE80F
|
||||||
|
S22401026048E73800382F002A362F002E41FA006243EF001222D822D822D822D812D8100327
|
||||||
|
S224010280C03C00F0C07C00FFC0BC0000FFFFE880340041EF00121F702000000C1003C03C0F
|
||||||
|
S2240102A0000F7400140041EF00121F702000000D422F000E41EF000C2F08300448C02F0046
|
||||||
|
S2240102C06100FF62504F4CDF001C4FEF00184E7530313233343536373839414243444546B5
|
||||||
|
S2240102E000004E714FEFFDFC48E730006100FE427400600A41EF000C423020005242B47C92
|
||||||
|
S22401030002006DF0487A011242A76100FF18487A0120487800016100FF0C487A012C487883
|
||||||
|
S22401032000016100FF004878020041EF00282F0842A74EB90001169436004FEF00246F64FF
|
||||||
|
S2240103407400604C300248C0487800102F004EB90001046A504F4A80660E487A00804878E9
|
||||||
|
S22401036000016100FEC0504F41EF000CD0C21010488048C02F00487800016100FEE0487A09
|
||||||
|
S2240103800060487800016100FE9C4FEF00105242B6426EB0487A004E487800016100FE868D
|
||||||
|
S2240103A0504F601E4A436C0E487A003E4EB900010560584F600C487A00484EB9000105601C
|
||||||
|
S2240103C0584F487A009C4EB900010560584F60FE70004CDF000C4FEF02044E750A004E7129
|
||||||
|
S2240103E020004E710A004E714944452072657475726E656420616E206572726F722E00008D
|
||||||
|
S2240104004944452072657475726E6564206E6F7468696E672E004E7148656C6C6F2066728B
|
||||||
|
S2240104206F6D2053637265656E2041210A004E7148656C6C6F2066726F6D20536372656535
|
||||||
|
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||||||
|
S224011860C0BC000000FF13C000C0030972182004E2A0C0BC000000FF13C000C0030A13FCEE
|
||||||
|
S224011880000300C0030213FC000100C003036100FCEC4A40661E13F900C0030500011F90C9
|
||||||
|
S2240118A0670C42A76100FCD270FA584F60103003600C600A42A76100FCC070FD584F4CDFC8
|
||||||
|
S2240118C0043C4E757364635F7772697465004E712F027400143900011F8C6100FC944A4063
|
||||||
|
S2240118E06704847C00026100FC8C4A406704847C00043002241F4E757000103900011F90F2
|
||||||
|
S2240119004E754E7170004E75303C03E84E754E7148E7203C342F001A246F001C30025340B7
|
||||||
|
S224011920670A5340671253406716601C2A4A61D8320048C12A816012284A38BC0200600AC1
|
||||||
|
S224011940264A70012680600270004CDF3C044E7570004E7548E7003045F90001254847F97C
|
||||||
|
S2240119600001257624BC00C40000257C00C600000004257C00C680000008257C00C4001052
|
||||||
|
S224011980000C257C00C400140010257C00C400040014205270012080206A0014429042A753
|
||||||
|
S2240119A0610001DA42A74878000F42A76100034242A7610003A042A742A742A76100010A8A
|
||||||
|
S2240119C026BC00C80000277C00CA00000004277C00CA80000008277C00C80010000C277CC7
|
||||||
|
S2240119E000C800140010277C00C800040014205370012080206B001442904878000161005B
|
||||||
|
S224011A00017C42A74878000F48780001610002E2487800016100033E42A742A7487800018F
|
||||||
|
S224011A20610000A670004FEF00404CDF0C004E7548E73F003C2F002E3A2F002A182F0027A9
|
||||||
|
S224011A40362F0022342F001EB47C00026C74300248C0722E2F022E00240148474842CEC160
|
||||||
|
S224011A60C4C0C0C1DE4248474247D087241F41F900012548D1C0224810034A00C07C00FF4E
|
||||||
|
S224011A80C0BC0000FFFF7218E3A81204488148C17E10EFA980811205C23C0002C27C00FF4E
|
||||||
|
S224011AA0C2BC0000FFFFD28180811206C23C0001C27C00FFC2BC0000FFFF80812069000CEA
|
||||||
|
S224011AC020804CDF00FC4E7548E73F203A2F0022362F0026342F002ABA7C00026C0000960B
|
||||||
|
S224011AE0300548C0722E2C002E0148464847CCC1CEC0C0C1DC4748464246D08641F9000125
|
||||||
|
S224011B002548D1C0244870003003322A001C48C1B2806E047600524270003002322A001E67
|
||||||
|
S224011B2048C1B2806E14302A001E53403400300548C02F006100029A584F35430020354284
|
||||||
|
S224011B400022700030027210E3A8720032038081206A001020803002C1EA00183800D84384
|
||||||
|
S224011B60206A0004D0C425480024206A0008D0C4254800284CDF04FC4E754E714FEFFFEC1B
|
||||||
|
S224011B8048E73F200C6F000200366C00015874007A007C00302F003648C0722E2F022F032F
|
||||||
|
S224011BA02400260148424843C4C1C6C0C0C1D44348424242D082261F241F41F9000125488C
|
||||||
|
S224011BC0D1C02448206A001424102052203C00000400C0903A00205230280002C07C0300C9
|
||||||
|
S224011BE0C0BC0000FFFFE0883C003006907C0000670E53406718534067225340672C603620
|
||||||
|
S224011C00357C00500018357C003C001A6028357C00640018357C004B001A601A357C008028
|
||||||
|
S224011C200018357C0060001A600C357C00500018357C0032001A4A45672441EA001830103C
|
||||||
|
S224011C4048C022006C025281E281308141EA001A301048C022006C025281E2813081356A5C
|
||||||
|
S224011C60001A001E356A0018001C3002C03C0001C07C00FFC0BC0000FFFF67683002C07C32
|
||||||
|
S224011C803F00C0BC0000FFFFE0883E00703F4840C0827210E2A83F40002A300748C04A80A8
|
||||||
|
S224011CA06C025680E4803600302F002A48C04A806C025680E48038004A45671C300348C0B8
|
||||||
|
S224011CC022006C025281E2813601300448C022006C025281E281380141EA001C975041EA6D
|
||||||
|
S224011CE0001E99504CDF04FC4FEF00144E754E7148E73E00382F0022362F001E342F001AE2
|
||||||
|
S224011D00B47C00026C48300248C0722E2A002C0148454846CAC1CCC0C0C1DA4648454245BF
|
||||||
|
S224011D20D08541F900012548D1C022481003C03C000FC07C00FFC0BC0000FFFFE98832042B
|
||||||
|
S224011D4048C1C2BC0000000F80811340002C4CDF007C4E7548E73C20362F001AB67C0002BF
|
||||||
|
S224011D606C66300348C0722E28002A0148444845C8C1CAC0C0C1D84548444244D08441F9F3
|
||||||
|
S224011D8000012548D1C0244874006016206A000411BC00202800226A000813AA002C2800A0
|
||||||
|
S224011DA05282302A001848C0322A001A48C128002A0148444845C8C1CAC0C0C1D8454844A7
|
||||||
|
S224011DC04244D084B0826EC44CDF043C4E754E714FEFFFE448E73F3E0C6F0002004E6C00CE
|
||||||
|
S224011DE000D8302F004E48C0722E2F022F032400260148424843C4C1C6C0C0C1D4434842C0
|
||||||
|
S224011E004242D082261F241F41F900012548D1C02C487600604C3003C1EE001838007001EC
|
||||||
|
S224011E20D043C1EE00183A00246E0004D4C4266E0008D6C4286E0004D8C52A6E0008DAC5AE
|
||||||
|
S224011E4074006016204C528C224A528A1290204D528D224B528B12905242B46E00186DE407
|
||||||
|
S224011E605243300348C0322E001E48C15381B2806EA4302E001E5340C1EE00183E00226E49
|
||||||
|
S224011E800004D2C72F490036226E0008D2C72F49003A1C2E002C74006018206F003652AFE6
|
||||||
|
S224011EA0003610BC0020206F003A52AF003A10865242B46E00186DE24CDF7CFC4FEF001C46
|
||||||
|
S224011EC04E754E7148E73C30162F0023342F001EB47C00026C00008A300248C0722E2800CC
|
||||||
|
S224011EE02A0148444845C8C1CAC0C0C1D84548444244D08441F900012548D1C026481003C7
|
||||||
|
S224011F00903C000A67065700671E601E302B002248C052802F0042A7300248C02F006100E5
|
||||||
|
S224011F20FBA84FEF000C6038603641EB002422505290128343EB00282451529114AB002CAE
|
||||||
|
S224011F40302B002248C02F00302B002048C052802F00300248C02F006100FB6E4FEF000CC6
|
||||||
|
S212011F604CDF0C3C4E754E71302F00064E7550
|
||||||
|
S20C011F6E000000000000000065
|
||||||
|
S20C011F7600000000000000005D
|
||||||
|
S215011F80000000000000000000010000010000000048
|
||||||
|
S804000000FB
|
||||||
127
src/include/A2560K/pata_a2560k.h
Normal file
127
src/include/A2560K/pata_a2560k.h
Normal file
|
|
@ -0,0 +1,127 @@
|
||||||
|
/*
|
||||||
|
* Definitions to access the PATA port on the A2560K
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __PATA_A2560K_H
|
||||||
|
#define __PATA_A2560K_H
|
||||||
|
|
||||||
|
#define PATA_DATA_16 ((volatile unsigned short *)0x00C00400)
|
||||||
|
#define PATA_DATA_8 ((volatile unsigned char *)0x00C00400)
|
||||||
|
|
||||||
|
#define PATA_ERROR ((volatile unsigned char *)0x00C00402)
|
||||||
|
#define PATA_ERR_AMNF 0x01 // Error: Address mark not found
|
||||||
|
#define PATA_ERR_TKZNF 0x02 // Error: Track 0 not found
|
||||||
|
#define PATA_ERR_ABRT 0x04 // Error: Aborted command
|
||||||
|
#define PATA_ERR_MCR 0x08 // Error: Media change request
|
||||||
|
#define PATA_ERR_IDNF 0x10 // Error: ID not found
|
||||||
|
#define PATA_ERR_MC 0x20 // Error: Media change
|
||||||
|
#define PATA_ERR_UNC 0x40 // Error: Uncorrectable data error
|
||||||
|
#define PATA_ERR_BBK 0x80 // Error: Bad block detected
|
||||||
|
|
||||||
|
#define PATA_SECT_CNT ((volatile unsigned char *)0x00C00404)
|
||||||
|
#define PATA_SECT_SRT ((volatile unsigned char *)0x00C00406)
|
||||||
|
#define PATA_CLDR_LO ((volatile unsigned char *)0x00C00408)
|
||||||
|
#define PATA_CLDR_HI ((volatile unsigned char *)0x00C0040A)
|
||||||
|
#define PATA_HEAD ((volatile unsigned char *)0x00C0040C)
|
||||||
|
|
||||||
|
#define PATA_CMD_STAT ((volatile unsigned char *)0x00C0040E)
|
||||||
|
#define PATA_STAT_BSY 0x80 // BSY (Busy) is set whenever the device has control of the command Block Registers.
|
||||||
|
#define PATA_STAT_DRDY 0x40 // DRDY (Device Ready) is set to indicate that the device is capable of accepting all command codes.
|
||||||
|
#define PATA_STAT_DF 0x20 // DF (Device Fault) indicates a device fault error has been detected.
|
||||||
|
#define PATA_STAT_DSC 0x10 // DSC (Device Seek Complete) indicates that the device heads are settled over a track.
|
||||||
|
#define PATA_STAT_DRQ 0x08 // DRQ (Data Request) indicates that the device is ready to transfer a unsigned short or char of data between
|
||||||
|
// the host and the device.
|
||||||
|
#define PATA_STAT_CORR 0x04 // CORR (Corrected Data) is used to indicate a correctable data error.
|
||||||
|
#define PATA_STAT_IDX 0x02 // Vendor specific bit
|
||||||
|
#define PATA_STAT_ERR 0x01 // ERR (Error) indicates that an error occurred during execution of the previous command.
|
||||||
|
|
||||||
|
#define PATA_CMD_INIT 0x00
|
||||||
|
#define PATA_CMD_READ_SECTOR 0x21
|
||||||
|
#define PATA_CMD_WRITE_SECTOR 0x30
|
||||||
|
#define PATA_CMD_IDENTITY 0xEC
|
||||||
|
|
||||||
|
/*
|
||||||
|
* - BSY (Busy) is set whenever the device has control of the command
|
||||||
|
* Block Registers. When the BSY bit is equal to one, a write to a
|
||||||
|
* command block register by the host shall be ignored by the
|
||||||
|
* device.
|
||||||
|
*
|
||||||
|
* The device shall not change the state of the DRQ bit unless the
|
||||||
|
* BSY bit is equal to one. When the last block of a PIO data in
|
||||||
|
* command has been transferred by the host, then the DRQ bit is
|
||||||
|
* cleared without the BSY bit being set.
|
||||||
|
*
|
||||||
|
* When the BSY bit equals zero, the device may only change the IDX,
|
||||||
|
* DRDY, DF, DSC, and CORR bits in the Status register and the Data
|
||||||
|
* register. None of the other command block registers nor other
|
||||||
|
* bits within the Status register shall be changed by the device.
|
||||||
|
*
|
||||||
|
* NOTE - BIOSs and software device drivers that sample status as
|
||||||
|
* soon as the BSY bit is cleared to zero may not detect the
|
||||||
|
* assertion of the CORR bit by the device. After the host has
|
||||||
|
* written the Command register either the BSY bit shall be set, or
|
||||||
|
* if the BSY bit is cleared, the DRQ bit shall be set, until
|
||||||
|
* command completion.
|
||||||
|
*
|
||||||
|
* NOTE - The BSY bit is set and then cleared so quickly, that host
|
||||||
|
* detection of the BSY bit being set is not certain.
|
||||||
|
*
|
||||||
|
* The BSY bit shall be set by the device under the following
|
||||||
|
* circumstances:
|
||||||
|
* a) within 400 ns after either the negation of RESET- or the
|
||||||
|
* setting of the SRST bit in the Device Control register;
|
||||||
|
* b) within 400 ns after writing the Command register if the DRQ
|
||||||
|
* bit is not set;
|
||||||
|
* c) between blocks of a data transfer during PIO data in
|
||||||
|
* commands if the DRQ bit is not set;
|
||||||
|
* d) after the transfer of a data block during PIO data out
|
||||||
|
* commands if the DRQ bit is not set;
|
||||||
|
* e) during the data transfer of DMA commands if the DRQ bit is
|
||||||
|
* not set.
|
||||||
|
*
|
||||||
|
* The device shall not set the BSY bit at any other time.
|
||||||
|
*
|
||||||
|
* - DRDY (Device Ready) is set to indicate that the device is capable
|
||||||
|
* of accepting all command codes. This bit shall be cleared at
|
||||||
|
* power on. Devices that implement the power management features
|
||||||
|
* shall maintain the DRDY bit equal to one when they are in the
|
||||||
|
* Idle or Standby power modes. When the state of the DRDY bit
|
||||||
|
* changes, it shall not change again until after the host reads the
|
||||||
|
* status register.
|
||||||
|
*
|
||||||
|
* When the DRDY bit is equal to zero, a device responds as follows:
|
||||||
|
* a) the device shall accept and attempt to execute the EXECUTE
|
||||||
|
* DEVICE DIAGNOSTIC and INITIALIZE DEVICE PARAMETERS commands;
|
||||||
|
* b) If a device accepts commands other than EXECUTE DEVICE
|
||||||
|
* DIAGNOSTIC and INITIALIZE DEVICE PARAMETERS during the time the
|
||||||
|
* DRDY bit is equal to zero, the results are vendor specific.
|
||||||
|
*
|
||||||
|
* - DF (Device Fault) indicates a device fault error has been
|
||||||
|
* detected. The internal status or internal conditions that causes
|
||||||
|
* this error to be indicated is vendor specific.
|
||||||
|
*
|
||||||
|
* - DSC (Device Seek Complete) indicates that the device heads are
|
||||||
|
* settled over a track. When an error occurs, this bit shall not be
|
||||||
|
* changed until the Status register is read by the host, at which
|
||||||
|
* time the bit again indicates the current Seek Complete status.
|
||||||
|
*
|
||||||
|
* - DRQ (Data Request) indicates that the device is ready to transfer
|
||||||
|
* a unsigned short or char of data between the host and the device.
|
||||||
|
*
|
||||||
|
* - CORR (Corrected Data) is used to indicate a correctable data
|
||||||
|
* error. The definition of what constitutes a correctable error is
|
||||||
|
* vendor specific. This condition does not terminate a data
|
||||||
|
* transfer.
|
||||||
|
*
|
||||||
|
* - IDX (Index) is vendor specific.
|
||||||
|
*
|
||||||
|
* - ERR (Error) indicates that an error occurred during execution of
|
||||||
|
* the previous command. The bits in the Error register have
|
||||||
|
* additional information regarding the cause of the error. Once the
|
||||||
|
* device has set the error bit, the device shall not change the
|
||||||
|
* contents of the following items until a new command has been
|
||||||
|
* accepted, the SRST bit is set to one, or RESET- is asserted: the
|
||||||
|
* ERR bit in the Status register.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#endif
|
||||||
55
src/include/A2560K/sdc_a2560k.h
Normal file
55
src/include/A2560K/sdc_a2560k.h
Normal file
|
|
@ -0,0 +1,55 @@
|
||||||
|
/*
|
||||||
|
* Definitions for access to the SDC controller
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __SDC_A2560K_H
|
||||||
|
#define __SDC_A2560K_H
|
||||||
|
|
||||||
|
// SDC_TRANS_TYPE_REG
|
||||||
|
#define SDC_TRANS_DIRECT 0x00 // 00 = Direct Access
|
||||||
|
#define SDC_TRANS_INIT_SD 0x01 // 01 = Init SD
|
||||||
|
#define SDC_TRANS_READ_BLK 0x02 // 10 = RW_READ_BLOCK (512 Bytes)
|
||||||
|
#define SDC_TRANS_WRITE_BLK 0x03 // 11 = RW_WRITE_SD_BLOCK
|
||||||
|
|
||||||
|
// SDC_TRANS_CONTROL_REG
|
||||||
|
#define SDC_TRANS_START 0x01
|
||||||
|
// SDC_TRANS_STATUS_REG
|
||||||
|
#define SDC_TRANS_BUSY 0x01 // 1= Transaction Busy
|
||||||
|
// SDC_TRANS_ERROR_REG
|
||||||
|
#define SDC_TRANS_INIT_NO_ERR 0x00 // Init Error Report [1:0]
|
||||||
|
#define SDC_TRANS_INIT_CMD0_ERR 0x01
|
||||||
|
#define SDC_TRANS_INIT_CMD1_ERR 0x02
|
||||||
|
|
||||||
|
#define SDC_TRANS_RD_NO_ERR 0x00 // Read Error Report [3:2]
|
||||||
|
#define SDC_TRANS_RD_CMD_ERR 0x04
|
||||||
|
#define SDC_TRANS_RD_TOKEN_ERR 0x08
|
||||||
|
|
||||||
|
#define SDC_TRANS_WR_NO_ERR 0x00 // Write Report Error [5:4]
|
||||||
|
#define SDC_TRANS_WR_CMD_ERR 0x10
|
||||||
|
#define SDC_TRANS_WR_DATA_ERR 0x20
|
||||||
|
#define SDC_TRANS_WR_BUSY_ERR 0x30
|
||||||
|
|
||||||
|
#define SDC_VERSION_REG ((unsigned char *)0x00C00300)
|
||||||
|
#define SDC_CONTROL_REG ((unsigned char *)0x00C00301)
|
||||||
|
#define SDC_TRANS_TYPE_REG ((unsigned char *)0x00C00302)
|
||||||
|
|
||||||
|
#define SDC_TRANS_CONTROL_REG ((unsigned char *)0x00C00303)
|
||||||
|
#define SDC_TRANS_STATUS_REG ((unsigned char *)0x00C00304)
|
||||||
|
#define SDC_TRANS_ERROR_REG ((unsigned char *)0x00C00305)
|
||||||
|
#define SDC_DIRECT_ACCESS_REG ((unsigned char *)0x00C00306)
|
||||||
|
#define SDC_SD_ADDR_7_0_REG ((unsigned char *)0x00C00307)
|
||||||
|
#define SDC_SD_ADDR_15_8_REG ((unsigned char *)0x00C00308)
|
||||||
|
#define SDC_SD_ADDR_23_16_REG ((unsigned char *)0x00C00309)
|
||||||
|
#define SDC_SD_ADDR_31_24_REG ((unsigned char *)0x00C0030A)
|
||||||
|
|
||||||
|
#define SDC_SPI_CLK_DEL_REG ((unsigned char *)0x00C0030B)
|
||||||
|
|
||||||
|
#define SDC_RX_FIFO_DATA_REG ((unsigned char *)0x00C00310)
|
||||||
|
#define SDC_RX_FIFO_DATA_CNT_HI ((unsigned char *)0x00C00312)
|
||||||
|
#define SDC_RX_FIFO_DATA_CNT_LO ((unsigned char *)0x00C00313)
|
||||||
|
#define SDC_RX_FIFO_CTRL_REG ((unsigned char *)0x00C00314)
|
||||||
|
|
||||||
|
#define SDC_TX_FIFO_DATA_REG ((unsigned char *)0x00C00320)
|
||||||
|
#define SDC_TX_FIFO_CTRL_REG ((unsigned char *)0x00C00324)
|
||||||
|
|
||||||
|
#endif
|
||||||
19
src/include/pata_reg.h
Normal file
19
src/include/pata_reg.h
Normal file
|
|
@ -0,0 +1,19 @@
|
||||||
|
/*
|
||||||
|
* Include file to access the PATA port on the Foenix machine
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __PATA_REG_H
|
||||||
|
#define __PATA_REG_H
|
||||||
|
|
||||||
|
#include "types.h"
|
||||||
|
|
||||||
|
// #if SYSTEM == A2560K
|
||||||
|
// /* PATA registers for the A2560K */
|
||||||
|
#include "A2560K/PATA_a2560k.h"
|
||||||
|
|
||||||
|
// #elif SYSTEM == C256_FMX || SYSTEM == C256_U || SYSTEM == C256_U_PLUS
|
||||||
|
// /* VICKY registers for the C256 FMX, U, and U+ */
|
||||||
|
// #include "FMX/vicky_general.h"
|
||||||
|
// #endif
|
||||||
|
|
||||||
|
#endif
|
||||||
19
src/include/sdc_reg.h
Normal file
19
src/include/sdc_reg.h
Normal file
|
|
@ -0,0 +1,19 @@
|
||||||
|
/*
|
||||||
|
* Include file to access the SDC port on the Foenix machine
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __SDC_REG_H
|
||||||
|
#define __SDC_REG_H
|
||||||
|
|
||||||
|
#include "types.h"
|
||||||
|
|
||||||
|
// #if SYSTEM == A2560K
|
||||||
|
// /* PATA registers for the A2560K */
|
||||||
|
#include "A2560K/sdc_a2560k.h"
|
||||||
|
|
||||||
|
// #elif SYSTEM == C256_FMX || SYSTEM == C256_U || SYSTEM == C256_U_PLUS
|
||||||
|
// /* VICKY registers for the C256 FMX, U, and U+ */
|
||||||
|
// #include "FMX/vicky_general.h"
|
||||||
|
// #endif
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -2,6 +2,7 @@
|
||||||
* A logging utility
|
* A logging utility
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
#include <string.h>
|
||||||
#include "log.h"
|
#include "log.h"
|
||||||
#include "dev/text_screen_iii.h"
|
#include "dev/text_screen_iii.h"
|
||||||
|
|
||||||
|
|
@ -13,4 +14,5 @@ void DEBUG(char * message) {
|
||||||
for (i = 0; i < strlen(message); i++) {
|
for (i = 0; i < strlen(message); i++) {
|
||||||
text_put_raw(0, message[i]);
|
text_put_raw(0, message[i]);
|
||||||
}
|
}
|
||||||
}
|
text_put_raw(0, '\n');
|
||||||
|
}
|
||||||
|
|
|
||||||
|
|
@ -10,4 +10,6 @@
|
||||||
*/
|
*/
|
||||||
extern void DEBUG(char * message);
|
extern void DEBUG(char * message);
|
||||||
|
|
||||||
#endif
|
#define TRACE(msg) DEBUG(msg);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
|
||||||
|
|
@ -1,6 +1,6 @@
|
||||||
/**
|
/**
|
||||||
* Implementation of 68000 specific syscall routines.
|
* Implementation of 68000 specific syscall routines.
|
||||||
*
|
*
|
||||||
* NOTE: these routines are not called directly but are instead called through TRAP#13
|
* NOTE: these routines are not called directly but are instead called through TRAP#13
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
|
@ -15,15 +15,13 @@
|
||||||
int32_t syscall_dispatch(int32_t function, int32_t param0, int32_t param1, int32_t param2, int32_t param3, int32_t param4, int32_t param5) {
|
int32_t syscall_dispatch(int32_t function, int32_t param0, int32_t param1, int32_t param2, int32_t param3, int32_t param4, int32_t param5) {
|
||||||
switch (function) {
|
switch (function) {
|
||||||
case SYS_CHAN_WRITE_B:
|
case SYS_CHAN_WRITE_B:
|
||||||
DEBUG("SYS_CHAN_WRITE_B\n");
|
|
||||||
return chan_write_b((short)param0, (uint8_t)param1);
|
return chan_write_b((short)param0, (uint8_t)param1);
|
||||||
|
|
||||||
case SYS_CHAN_WRITE:
|
case SYS_CHAN_WRITE:
|
||||||
DEBUG("SYS_CHAN_WRITE_B\n");
|
|
||||||
return chan_write((short)param0, (const uint8_t *)param1, (short)param2);
|
return chan_write((short)param0, (const uint8_t *)param1, (short)param2);
|
||||||
|
|
||||||
default:
|
default:
|
||||||
DEBUG("syscall unknown function\n");
|
DEBUG("syscall unknown function\n");
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
||||||
945
src/mapfile
945
src/mapfile
File diff suppressed because it is too large
Load diff
|
|
@ -1,5 +1,5 @@
|
||||||
-cc=vbccm68k -quiet %s -o= %s %s -O=%ld -I..\vbcc\targets\m68k-foenix\include
|
-cc=vbccm68k -quiet %s -o= %s %s -O=%ld -ID:\projects\FoenixMCP\vbcc\targets\m68k-foenix\include
|
||||||
-ccv=vbccm68k %s -o= %s %s -O=%ld -I..\vbcc\targets\m68k-foenix\include
|
-ccv=vbccm68k %s -o= %s %s -O=%ld -ID:\projects\FoenixMCP\vbcc\targets\m68k-foenix\include
|
||||||
-as=vasmm68k_mot -quiet -Fvobj -nowarn=62 %s -o %s
|
-as=vasmm68k_mot -quiet -Fvobj -nowarn=62 %s -o %s
|
||||||
-asv=vasmm68k_mot -Fvobj -nowarn=62 %s -o %s
|
-asv=vasmm68k_mot -Fvobj -nowarn=62 %s -o %s
|
||||||
-rm=del %s
|
-rm=del %s
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue