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-rw-r--r--c/src/lib/libbsp/powerpc/gen5200/include/ata.h338
1 files changed, 0 insertions, 338 deletions
diff --git a/c/src/lib/libbsp/powerpc/gen5200/include/ata.h b/c/src/lib/libbsp/powerpc/gen5200/include/ata.h
deleted file mode 100644
index 3d8ccfc49a..0000000000
--- a/c/src/lib/libbsp/powerpc/gen5200/include/ata.h
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * Copyright (c) 2010-2013 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.
- */
-
-#ifndef GEN5200_ATA_H
-#define GEN5200_ATA_H
-
-#include "bestcomm.h"
-
-#include <assert.h>
-
-#include <rtems.h>
-#include <rtems/diskdevs.h>
-#include <rtems/bdbuf.h>
-
-#include <libchip/ata_internal.h>
-#include <libchip/ide_ctrl_io.h>
-#include <libchip/ide_ctrl_cfg.h>
-
-#include <libcpu/powerpc-utility.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-#define DCTRL_SRST BSP_BBIT8(5)
-#define DCTRL_NIEN BSP_BBIT8(6)
-
-#define DAST_BSY BSP_BBIT8(0)
-#define DAST_DRDY BSP_BBIT8(1)
-#define DAST_DRQ BSP_BBIT8(4)
-#define DAST_ERR BSP_BBIT8(7)
-
-#define DST_BSY BSP_BBIT16(0)
-#define DST_DRDY BSP_BBIT16(1)
-#define DST_DRQ BSP_BBIT16(4)
-#define DST_ERR BSP_BBIT16(7)
-
-#define DDMA_HUT BSP_BBIT8(1)
-#define DDMA_FR BSP_BBIT8(2)
-#define DDMA_FE BSP_BBIT8(3)
-#define DDMA_IE BSP_BBIT8(4)
-#define DDMA_UDMA BSP_BBIT8(5)
-#define DDMA_READ BSP_BBIT8(6)
-#define DDMA_WRITE BSP_BBIT8(7)
-
-#define ATA_SECTOR_SHIFT 9
-
-#define ATA_PER_TRANSFER_SECTOR_COUNT_MAX 256
-
-typedef union {
- struct {
- uint8_t alternate_status;
- uint8_t reserved_0[3];
- uint16_t data;
- uint8_t reserved_1[2];
- uint8_t error;
- uint8_t reserved_2[3];
- uint8_t sector_count;
- uint8_t reserved_3[3];
- uint8_t sector;
- uint8_t reserved_4[3];
- uint8_t cylinder_low;
- uint8_t reserved_5[3];
- uint8_t cylinder_high;
- uint8_t reserved_6[3];
- uint8_t head;
- uint8_t reserved_7[3];
- uint16_t status;
- uint8_t reserved_8[2];
- } read;
-
- struct {
- uint8_t control;
- uint8_t reserved_0[3];
- uint16_t data;
- uint8_t reserved_1[2];
- uint8_t feature;
- uint8_t reserved_2[3];
- uint8_t sector_count;
- uint8_t reserved_3[3];
- uint8_t sector;
- uint8_t reserved_4[3];
- uint8_t cylinder_low;
- uint8_t reserved_5[3];
- uint8_t cylinder_high;
- uint8_t reserved_6[3];
- uint8_t head;
- uint8_t reserved_7[3];
- uint8_t command;
- uint8_t dma_control;
- uint8_t reserved_8[2];
- } write;
-} ata_drive_registers;
-
-#define ATA ((volatile ata_drive_registers *) 0xf0003a5c)
-
-static inline bool ata_is_data_request(void)
-{
- return (ATA->read.alternate_status & DAST_DRQ) != 0;
-}
-
-static inline bool ata_is_drive_ready_for_selection(void)
-{
- return (ATA->read.alternate_status & (DAST_BSY | DAST_DRQ)) == 0;
-}
-
-static inline void ata_wait_400_nano_seconds(void)
-{
- ATA->read.alternate_status;
-}
-
-static inline void ata_wait_for_drive_ready(void)
-{
- while ((ATA->read.alternate_status & (DAST_BSY | DAST_DRQ | DAST_DRDY)) != DAST_DRDY) {
- /* Wait */
- }
-}
-
-static inline void ata_wait_for_not_busy(void)
-{
- ata_wait_400_nano_seconds();
-
- while ((ATA->read.alternate_status & DAST_BSY) != 0) {
- /* Wait */
- }
-}
-
-static inline bool ata_wait_for_data_request(void)
-{
- ata_wait_400_nano_seconds();
-
- uint8_t alternate_status;
- do {
- alternate_status = ATA->read.alternate_status;
- } while ((alternate_status & DAST_BSY) == DAST_BSY);
-
- return (alternate_status & (DAST_ERR | DAST_DRQ)) == DAST_DRQ;
-}
-
-static inline bool ata_check_status(void)
-{
- return (ATA->read.status & (DST_BSY | DST_ERR)) == 0;
-}
-
-static inline void ata_clear_interrupts(void)
-{
- ATA->read.status;
-}
-
-static inline uint8_t ata_read_or_write_sectors_command(bool read)
-{
- return read ? 0x20 : 0x30;
-}
-
-static inline rtems_blkdev_bnum ata_max_transfer_count(rtems_blkdev_bnum sector_count)
-{
- return sector_count > ATA_PER_TRANSFER_SECTOR_COUNT_MAX ?
- ATA_PER_TRANSFER_SECTOR_COUNT_MAX
- : sector_count;
-}
-
-static inline void ata_flush_sector(uint16_t *begin)
-{
- /* XXX: The dcbi operation does not work properly */
- rtems_cache_flush_multiple_data_lines(begin, ATA_SECTOR_SIZE);
-}
-
-void ata_reset_device(void);
-
-bool ata_set_transfer_mode(uint8_t mode);
-
-bool ata_execute_io_command(uint8_t command, uint32_t lba, uint32_t sector_count);
-
-static inline bool ata_execute_io_command_with_sg(uint8_t command, const rtems_blkdev_sg_buffer *sg)
-{
- uint32_t lba = sg->block;
- uint32_t sector_count = sg->length / ATA_SECTOR_SIZE;
- return ata_execute_io_command(command, lba, sector_count);
-}
-
-typedef struct {
- const rtems_blkdev_sg_buffer *sg;
-
- size_t sg_count;
-
- rtems_blkdev_bnum sg_buffer_offset_mask;
-
- int sg_index_shift;
-} ata_sg_context;
-
-static inline void ata_sg_reset(ata_sg_context *self, const rtems_blkdev_sg_buffer *sg, size_t sg_count)
-{
- self->sg = sg;
- self->sg_count = sg_count;
- uint32_t sectors_per_buffer = self->sg[0].length >> ATA_SECTOR_SHIFT;
- self->sg_buffer_offset_mask = sectors_per_buffer - 1;
- self->sg_index_shift = __builtin_ffs((int) sectors_per_buffer) - 1;
-}
-
-static inline void ata_sg_create_default(ata_sg_context *self)
-{
- ata_sg_reset(self, NULL, 0);
-}
-
-static inline void ata_sg_create(ata_sg_context *self, const rtems_blkdev_sg_buffer *sg, size_t sg_count)
-{
- ata_sg_reset(self, sg, sg_count);
-}
-
-static inline rtems_blkdev_bnum ata_sg_get_start_sector(const ata_sg_context *self)
-{
- return self->sg[0].block;
-}
-
-static inline rtems_blkdev_bnum ata_sg_get_sector_count(const ata_sg_context *self)
-{
- return (self->sg_buffer_offset_mask + 1) * self->sg_count;
-}
-
-static inline uint16_t *ata_sg_get_sector_data_begin(const ata_sg_context *self, rtems_blkdev_bnum relative_sector)
-{
- uint16_t *begin = (uint16_t *)(self->sg[relative_sector >> self->sg_index_shift].buffer);
-
- return begin + ((relative_sector & self->sg_buffer_offset_mask) << (ATA_SECTOR_SHIFT - 1));
-}
-
-static inline uint16_t *ata_sg_get_sector_data_end(const ata_sg_context *self, uint16_t *begin)
-{
- return begin + ATA_SECTOR_SIZE / 2;
-}
-
-typedef struct {
- rtems_id lock;
-
- bool card_present;
-} ata_driver;
-
-void ata_driver_create(ata_driver *self, const char *device_file_path, rtems_block_device_ioctl io_control);
-
-void ata_driver_destroy(ata_driver *self);
-
-static inline void ata_driver_lock(const ata_driver *self)
-{
- rtems_status_code sc = rtems_semaphore_obtain(self->lock, RTEMS_WAIT, RTEMS_NO_TIMEOUT);
- assert(sc == RTEMS_SUCCESSFUL);
-}
-
-static inline void ata_driver_unlock(const ata_driver *self)
-{
- rtems_status_code sc = rtems_semaphore_release(self->lock);
- assert(sc == RTEMS_SUCCESSFUL);
-}
-
-static inline bool ata_driver_is_card_present(const ata_driver *self)
-{
- return self->card_present;
-}
-
-static inline void ata_driver_io_request(
- ata_driver *self,
- rtems_blkdev_request *request,
- bool (*transfer)(ata_driver *, bool, rtems_blkdev_sg_buffer *, size_t)
-)
-{
- assert(request->req == RTEMS_BLKDEV_REQ_READ || request->req == RTEMS_BLKDEV_REQ_WRITE);
- bool read = request->req != RTEMS_BLKDEV_REQ_WRITE;
- rtems_blkdev_sg_buffer *sg = &request->bufs[0];
- uint32_t sg_count = request->bufnum;
- ata_driver_lock(self);
- bool ok = (*transfer)(self, read, sg, sg_count);
- ata_driver_unlock(self);
- rtems_status_code sc = ok ? RTEMS_SUCCESSFUL : RTEMS_IO_ERROR;
- rtems_blkdev_request_done(request, sc);
-}
-
-static inline int ata_driver_io_control(
- rtems_disk_device *dd,
- uint32_t cmd,
- void *arg,
- bool (*transfer)(ata_driver *, bool, rtems_blkdev_sg_buffer *, size_t)
-)
-{
- ata_driver *self = (ata_driver *) rtems_disk_get_driver_data(dd);
-
- switch (cmd) {
- case RTEMS_BLKIO_REQUEST:
- ata_driver_io_request(self, (rtems_blkdev_request *) arg, transfer);
- return 0;
- case RTEMS_BLKIO_CAPABILITIES:
- *(uint32_t *) arg = RTEMS_BLKDEV_CAP_MULTISECTOR_CONT;
- return 0;
- default:
- return rtems_blkdev_ioctl(dd, cmd, arg);
- }
-}
-
-int ata_driver_io_control_pio_polled(
- rtems_disk_device *dd,
- uint32_t cmd,
- void *arg
-);
-
-typedef struct {
- ata_driver super;
-
- bestcomm_task task;
-
- bool read;
-
- ata_sg_context sg_context;
-
- rtems_blkdev_bnum transfer_current;
-
- rtems_blkdev_bnum transfer_end;
-} ata_driver_dma_pio_single;
-
-void ata_driver_dma_pio_single_create(
- ata_driver_dma_pio_single *self,
- const char *device_file_path,
- TaskId task_index
-);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* GEN5200_ATA_H */