1 files changed, 0 insertions, 189 deletions
diff --git a/c/src/lib/libbsp/powerpc/gen5200/ide/ata-dma-pio-single.c b/c/src/lib/libbsp/powerpc/gen5200/ide/ata-dma-pio-single.c
deleted file mode 100644
index e621febbb0..0000000000
--- a/c/src/lib/libbsp/powerpc/gen5200/ide/ata-dma-pio-single.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * Copyright (c) 2011-2013 embedded brains GmbH.  All rights reserved.
- *
- *  embedded brains GmbH
- *  Dornierstr. 4
- *  82178 Puchheim
- *  Germany
- *  <rtems@embedded-brains.de>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#define NDEBUG
-
-#include <bsp/ata.h>
-
-#include <libcpu/powerpc-utility.h>
-
-#include <bsp.h>
-#include <bsp/fatal.h>
-#include <bsp/irq.h>
-
-typedef enum {
-  DATA_CURRENT = 0,
-  DATA_END,
-  DATA_REG
-} variables;
-
-typedef enum {
-  INC_0_NE = 0,
-  INC_2_NE
-} increments;
-
-/*
- * for
- *   idx0 = DATA_CURRENT, idx1 = DATA_REG
- *   idx0 != DATA_END
- *   idx0 += 2, idx1 += 0
- * do
- *   *idx0 = *idx1 [INT, 16 bit] OR *idx1 = *idx0 [INT, 16 bit]
- */
-static const uint32_t ops[] = {
-  LCD(0, VAR(DATA_CURRENT), 0, VAR(DATA_REG), TERM_FIRST, VAR(DATA_END), INC_2_NE, INC_0_NE),
-    0, /* Transfer opcode, see transfer() */
-};
-
-static bool is_last_transfer(const ata_driver_dma_pio_single *self)
-{
-  return self->transfer_current + 1 == self->transfer_end;
-}
-
-static void start_sector_transfer(ata_driver_dma_pio_single *self)
-{
-  uint16_t *current = ata_sg_get_sector_data_begin(&self->sg_context, self->transfer_current);
-  bestcomm_task_set_variable(&self->task, DATA_CURRENT, (uint32_t) current);
-  bestcomm_task_set_variable(&self->task, DATA_END, (uint32_t) ata_sg_get_sector_data_end(&self->sg_context, current));
-  bestcomm_task_start(&self->task);
-
-  bool last = is_last_transfer(self);
-  ++self->transfer_current;
-
-  if (!last) {
-    ata_flush_sector(ata_sg_get_sector_data_begin(&self->sg_context, self->transfer_current));
-  }
-}
-
-static void dma_pio_single_interrupt_handler(void *arg)
-{
-  ata_driver_dma_pio_single *self = arg;
-  bool ok = ata_check_status();
-  bool send_event = false;
-  if (ok && self->transfer_current != self->transfer_end) {
-    bool enable_dma_interrupt = self->read && is_last_transfer(self);
-    if (enable_dma_interrupt) {
-      bestcomm_task_irq_clear(&self->task);
-      bestcomm_task_irq_enable(&self->task);
-    }
-
-    start_sector_transfer(self);
-  } else {
-    send_event = true;
-  }
-
-  if (send_event) {
-    bestcomm_task_wakeup_event_task(&self->task);
-  }
-}
-
-static bool transfer_dma_pio_single(ata_driver *super, bool read, rtems_blkdev_sg_buffer *sg, size_t sg_count)
-{
-  bool ok = true;
-  ata_driver_dma_pio_single *self = (ata_driver_dma_pio_single *) super;
-
-  self->read = read;
-  ata_sg_reset(&self->sg_context, sg, sg_count);
-  rtems_blkdev_bnum start_sector = ata_sg_get_start_sector(&self->sg_context);
-  rtems_blkdev_bnum sector_count = ata_sg_get_sector_count(&self->sg_context);
-  rtems_blkdev_bnum relative_sector = 0;
-
-  ata_flush_sector(ata_sg_get_sector_data_begin(&self->sg_context, relative_sector));
-
-  uint8_t command = ata_read_or_write_sectors_command(read);
-
-  uint32_t opcode;
-  if (read) {
-    opcode = DRD1A(INT, INIT_ALWAYS, DEST_DEREF_IDX(0), SZ_16, SRC_DEREF_IDX(1), SZ_16);
-  } else {
-    opcode = DRD1A(INT, INIT_ALWAYS, DEST_DEREF_IDX(1), SZ_16, SRC_DEREF_IDX(0), SZ_16);
-  }
-
-  bestcomm_task_irq_disable(&self->task);
-  bestcomm_task_associate_with_current_task(&self->task);
-
-  size_t transfer_opcode_index = 1; /* See ops */
-  bestcomm_task_set_opcode(&self->task, transfer_opcode_index, opcode);
-
-  while (ok && relative_sector < sector_count) {
-    rtems_blkdev_bnum remaining_sectors = sector_count - relative_sector;
-    rtems_blkdev_bnum transfer_count = ata_max_transfer_count(remaining_sectors);
-
-    self->transfer_current = relative_sector;
-    self->transfer_end = relative_sector + transfer_count;
-
-    ok = ata_execute_io_command(command, start_sector + relative_sector, transfer_count);
-    if (ok) {
-      if (!read) {
-        ok = ata_wait_for_data_request();
-        assert(ok);
-
-        rtems_interrupt_level level;
-        rtems_interrupt_disable(level);
-        start_sector_transfer(self);
-        rtems_interrupt_enable(level);
-      }
-
-      bestcomm_task_wait(&self->task);
-
-      ok = ata_check_status();
-
-      relative_sector += ATA_PER_TRANSFER_SECTOR_COUNT_MAX;
-    }
-  }
-
-  return ok;
-}
-
-static int io_control_dma_pio_single(
-  rtems_disk_device *dd,
-  uint32_t cmd,
-  void *arg
-)
-{
-  return ata_driver_io_control(dd, cmd, arg, transfer_dma_pio_single);
-}
-
-void ata_driver_dma_pio_single_create(ata_driver_dma_pio_single *self, const char *device_file_path, TaskId task_index)
-{
-  ata_driver_create(&self->super, device_file_path, io_control_dma_pio_single);
-
-  self->read = false;
-
-  if (ata_driver_is_card_present(&self->super)) {
-    bestcomm_task_create_and_load(&self->task, task_index, ops, sizeof(ops));
-
-    bestcomm_task_set_variable(&self->task, DATA_REG, (uint32_t) &ATA->write.data);
-
-    bestcomm_task_set_increment_and_condition(&self->task, INC_0_NE, 0, COND_NE);
-    bestcomm_task_set_increment_and_condition(&self->task, INC_2_NE, 2, COND_NE);
-
-    bestcomm_task_enable_combined_write(&self->task, true);
-    bestcomm_task_enable_read_buffer(&self->task, true);
-    bestcomm_task_enable_speculative_read(&self->task, true);
-
-    ata_clear_interrupts();
-
-    rtems_status_code sc = rtems_interrupt_handler_install(
-      BSP_SIU_IRQ_ATA,
-      "ATA",
-      RTEMS_INTERRUPT_UNIQUE,
-      dma_pio_single_interrupt_handler,
-      self
-    );
-    if (sc != RTEMS_SUCCESSFUL) {
-      bsp_fatal(MPC5200_FATAL_ATA_DMA_SINGLE_IRQ_INSTALL);
-    }
-  }
-}